3161 lines
136 KiB
C
3161 lines
136 KiB
C
/* packet-usb-audio.c
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*
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* usb audio dissector
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* Tomasz Mon 2012
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/* the parsing of audio-specific descriptors is based on
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USB Audio Device Class Specification for Basic Audio Devices, Release 1.0,
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USB Device Class Definition for Audio Devices, Release 2.0 and
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USB Device Class Definition for MIDI Devices, Release 1.0 */
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <epan/reassemble.h>
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#include "packet-usb.h"
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/* XXX - we use the same macro for mpeg sections,
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can we put this in a common include file? */
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#define USB_AUDIO_BCD44_TO_DEC(x) ((((x)&0xf0) >> 4) * 10 + ((x)&0x0f))
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void proto_register_usb_audio(void);
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void proto_reg_handoff_usb_audio(void);
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/* protocols and header fields */
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static int proto_usb_audio = -1;
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static int hf_midi_cable_number = -1;
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static int hf_midi_code_index = -1;
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static int hf_midi_event = -1;
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static int hf_midi_padding = -1;
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static int hf_ac_if_desc_subtype = -1;
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static int hf_ac_if_hdr_ver = -1;
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static int hf_ac_if_hdr_total_len = -1;
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static int hf_ac_if_hdr_bInCollection = -1;
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static int hf_ac_if_hdr_if_num = -1;
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static int hf_ac_if_hdr_category = -1;
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static int hf_ac_if_hdr_controls = -1;
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static int hf_ac_if_hdr_controls_latency = -1;
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static int hf_ac_if_hdr_controls_rsv = -1;
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static int hf_ac_if_input_terminalid = -1;
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static int hf_ac_if_input_terminaltype = -1;
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static int hf_ac_if_input_assocterminal = -1;
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static int hf_ac_if_input_csourceid = -1;
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static int hf_ac_if_input_nrchannels = -1;
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static int hf_ac_if_input_wchannelconfig = -1;
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static int hf_ac_if_input_wchannelconfig_d0 = -1;
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static int hf_ac_if_input_wchannelconfig_d1 = -1;
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static int hf_ac_if_input_wchannelconfig_d2 = -1;
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static int hf_ac_if_input_wchannelconfig_d3 = -1;
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static int hf_ac_if_input_wchannelconfig_d4 = -1;
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static int hf_ac_if_input_wchannelconfig_d5 = -1;
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static int hf_ac_if_input_wchannelconfig_d6 = -1;
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static int hf_ac_if_input_wchannelconfig_d7 = -1;
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static int hf_ac_if_input_wchannelconfig_d8 = -1;
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static int hf_ac_if_input_wchannelconfig_d9 = -1;
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static int hf_ac_if_input_wchannelconfig_d10 = -1;
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static int hf_ac_if_input_wchannelconfig_d11 = -1;
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static int hf_ac_if_input_wchannelconfig_rsv = -1;
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static int hf_ac_if_input_bmchannelconfig = -1;
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static int hf_ac_if_input_bmchannelconfig_d0 = -1;
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static int hf_ac_if_input_bmchannelconfig_d1 = -1;
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static int hf_ac_if_input_bmchannelconfig_d2 = -1;
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static int hf_ac_if_input_bmchannelconfig_d3 = -1;
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static int hf_ac_if_input_bmchannelconfig_d4 = -1;
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static int hf_ac_if_input_bmchannelconfig_d5 = -1;
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static int hf_ac_if_input_bmchannelconfig_d6 = -1;
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static int hf_ac_if_input_bmchannelconfig_d7 = -1;
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static int hf_ac_if_input_bmchannelconfig_d8 = -1;
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static int hf_ac_if_input_bmchannelconfig_d9 = -1;
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static int hf_ac_if_input_bmchannelconfig_d10 = -1;
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static int hf_ac_if_input_bmchannelconfig_d11 = -1;
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static int hf_ac_if_input_bmchannelconfig_d12 = -1;
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static int hf_ac_if_input_bmchannelconfig_d13 = -1;
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static int hf_ac_if_input_bmchannelconfig_d14 = -1;
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static int hf_ac_if_input_bmchannelconfig_d15 = -1;
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static int hf_ac_if_input_bmchannelconfig_d16 = -1;
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static int hf_ac_if_input_bmchannelconfig_d17 = -1;
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static int hf_ac_if_input_bmchannelconfig_d18 = -1;
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static int hf_ac_if_input_bmchannelconfig_d19 = -1;
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static int hf_ac_if_input_bmchannelconfig_d20 = -1;
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static int hf_ac_if_input_bmchannelconfig_d21 = -1;
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static int hf_ac_if_input_bmchannelconfig_d22 = -1;
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static int hf_ac_if_input_bmchannelconfig_d23 = -1;
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static int hf_ac_if_input_bmchannelconfig_d24 = -1;
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static int hf_ac_if_input_bmchannelconfig_d25 = -1;
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static int hf_ac_if_input_bmchannelconfig_d26 = -1;
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static int hf_ac_if_input_bmchannelconfig_rsv = -1;
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static int hf_ac_if_input_bmchannelconfig_d31 = -1;
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static int hf_ac_if_input_channelnames = -1;
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static int hf_ac_if_input_controls = -1;
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static int hf_ac_if_input_controls_copy = -1;
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static int hf_ac_if_input_controls_connector = -1;
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static int hf_ac_if_input_controls_overload = -1;
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static int hf_ac_if_input_controls_cluster = -1;
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static int hf_ac_if_input_controls_underflow = -1;
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static int hf_ac_if_input_controls_overflow = -1;
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static int hf_ac_if_input_controls_rsv = -1;
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static int hf_ac_if_input_terminal = -1;
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static int hf_ac_if_output_terminalid = -1;
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static int hf_ac_if_output_terminaltype = -1;
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static int hf_ac_if_output_assocterminal = -1;
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static int hf_ac_if_output_sourceid = -1;
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static int hf_ac_if_output_clk_sourceid = -1;
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static int hf_ac_if_output_controls = -1;
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static int hf_ac_if_output_controls_copy = -1;
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static int hf_ac_if_output_controls_connector = -1;
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static int hf_ac_if_output_controls_overload = -1;
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static int hf_ac_if_output_controls_underflow = -1;
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static int hf_ac_if_output_controls_overflow = -1;
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static int hf_ac_if_output_controls_rsv = -1;
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static int hf_ac_if_output_terminal = -1;
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static int hf_ac_if_fu_unitid = -1;
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static int hf_ac_if_fu_sourceid = -1;
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static int hf_ac_if_fu_controlsize = -1;
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static int hf_ac_if_fu_controls = -1;
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static int hf_ac_if_fu_control = -1;
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static int hf_ac_if_fu_controls_d0 = -1;
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static int hf_ac_if_fu_controls_d1 = -1;
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static int hf_ac_if_fu_controls_d2 = -1;
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static int hf_ac_if_fu_controls_d3 = -1;
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static int hf_ac_if_fu_controls_d4 = -1;
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static int hf_ac_if_fu_controls_d5 = -1;
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static int hf_ac_if_fu_controls_d6 = -1;
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static int hf_ac_if_fu_controls_d7 = -1;
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static int hf_ac_if_fu_controls_d8 = -1;
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static int hf_ac_if_fu_controls_d9 = -1;
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static int hf_ac_if_fu_controls_rsv = -1;
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static int hf_ac_if_fu_controls_v2 = -1;
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static int hf_ac_if_fu_control_v2 = -1;
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static int hf_ac_if_fu_controls_v2_d0 = -1;
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static int hf_ac_if_fu_controls_v2_d1 = -1;
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static int hf_ac_if_fu_controls_v2_d2 = -1;
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static int hf_ac_if_fu_controls_v2_d3 = -1;
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static int hf_ac_if_fu_controls_v2_d4 = -1;
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static int hf_ac_if_fu_controls_v2_d5 = -1;
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static int hf_ac_if_fu_controls_v2_d6 = -1;
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static int hf_ac_if_fu_controls_v2_d7 = -1;
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static int hf_ac_if_fu_controls_v2_d8 = -1;
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static int hf_ac_if_fu_controls_v2_d9 = -1;
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static int hf_ac_if_fu_controls_v2_d10 = -1;
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static int hf_ac_if_fu_controls_v2_d11 = -1;
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static int hf_ac_if_fu_controls_v2_d12 = -1;
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static int hf_ac_if_fu_controls_v2_d13 = -1;
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static int hf_ac_if_fu_controls_v2_d14 = -1;
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static int hf_ac_if_fu_controls_v2_rsv = -1;
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static int hf_ac_if_fu_ifeature = -1;
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static int hf_ac_if_su_unitid = -1;
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static int hf_ac_if_su_nrinpins = -1;
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static int hf_ac_if_su_sourceids = -1;
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static int hf_ac_if_su_sourceid = -1;
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static int hf_ac_if_su_controls = -1;
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static int hf_ac_if_su_controls_d0 = -1;
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static int hf_ac_if_su_controls_rsv = -1;
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static int hf_ac_if_su_iselector = -1;
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static int hf_ac_if_mu_unitid = -1;
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static int hf_ac_if_mu_nrinpins = -1;
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static int hf_ac_if_mu_sourceid = -1;
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static int hf_ac_if_mu_nrchannels = -1;
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static int hf_ac_if_mu_channelconfig = -1;
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static int hf_ac_if_mu_channelconfig_d0 = -1;
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static int hf_ac_if_mu_channelconfig_d1 = -1;
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static int hf_ac_if_mu_channelconfig_d2 = -1;
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static int hf_ac_if_mu_channelconfig_d3 = -1;
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static int hf_ac_if_mu_channelconfig_d4 = -1;
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static int hf_ac_if_mu_channelconfig_d5 = -1;
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static int hf_ac_if_mu_channelconfig_d6 = -1;
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static int hf_ac_if_mu_channelconfig_d7 = -1;
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static int hf_ac_if_mu_channelconfig_d8 = -1;
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static int hf_ac_if_mu_channelconfig_d9 = -1;
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static int hf_ac_if_mu_channelconfig_d10 = -1;
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static int hf_ac_if_mu_channelconfig_d11 = -1;
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static int hf_ac_if_mu_channelconfig_rsv = -1;
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static int hf_ac_if_mu_channelnames = -1;
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static int hf_ac_if_mu_controls = -1;
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static int hf_ac_if_mu_imixer = -1;
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static int hf_ac_if_clksrc_id = -1;
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static int hf_ac_if_clksrc_attr = -1;
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static int hf_ac_if_clksrc_attr_type = -1;
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static int hf_ac_if_clksrc_attr_d2 = -1;
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static int hf_ac_if_clksrc_attr_rsv = -1;
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static int hf_ac_if_clksrc_controls = -1;
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static int hf_ac_if_clksrc_controls_freq = -1;
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static int hf_ac_if_clksrc_controls_validity = -1;
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static int hf_ac_if_clksrc_controls_rsv = -1;
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static int hf_ac_if_clksrc_assocterminal = -1;
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static int hf_ac_if_clksrc_clocksource = -1;
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static int hf_ac_if_clksel_id = -1;
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static int hf_ac_if_clksel_nrpins = -1;
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static int hf_ac_if_clksel_sourceid = -1;
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static int hf_ac_if_clksel_controls = -1;
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static int hf_ac_if_clksel_controls_clksel = -1;
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static int hf_ac_if_clksel_controls_rsv = -1;
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static int hf_ac_if_clksel_clockselector = -1;
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static int hf_as_if_desc_subtype = -1;
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static int hf_as_if_gen_term_link = -1;
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static int hf_as_if_gen_delay = -1;
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static int hf_as_if_gen_wformattag = -1;
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static int hf_as_if_gen_controls = -1;
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static int hf_as_if_gen_controls_active = -1;
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static int hf_as_if_gen_controls_valid = -1;
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static int hf_as_if_gen_controls_rsv = -1;
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static int hf_as_if_gen_formattype = -1;
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static int hf_as_if_gen_formats = -1;
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static int hf_as_if_gen_formats_i_d0 = -1;
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static int hf_as_if_gen_formats_i_d1 = -1;
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static int hf_as_if_gen_formats_i_d2 = -1;
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static int hf_as_if_gen_formats_i_d3 = -1;
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static int hf_as_if_gen_formats_i_d4 = -1;
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static int hf_as_if_gen_formats_i_rsv = -1;
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static int hf_as_if_gen_formats_i_d31 = -1;
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static int hf_as_if_gen_formats_ii_d0 = -1;
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static int hf_as_if_gen_formats_ii_d1 = -1;
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static int hf_as_if_gen_formats_ii_d2 = -1;
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static int hf_as_if_gen_formats_ii_d3 = -1;
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static int hf_as_if_gen_formats_ii_rsv = -1;
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static int hf_as_if_gen_formats_ii_d31 = -1;
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static int hf_as_if_gen_formats_iii_d0 = -1;
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static int hf_as_if_gen_formats_iii_d1 = -1;
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static int hf_as_if_gen_formats_iii_d2 = -1;
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static int hf_as_if_gen_formats_iii_d3 = -1;
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static int hf_as_if_gen_formats_iii_d4 = -1;
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static int hf_as_if_gen_formats_iii_d5 = -1;
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static int hf_as_if_gen_formats_iii_d6 = -1;
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static int hf_as_if_gen_formats_iii_d7 = -1;
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static int hf_as_if_gen_formats_iii_d8 = -1;
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static int hf_as_if_gen_formats_iii_d9 = -1;
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static int hf_as_if_gen_formats_iii_d10 = -1;
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static int hf_as_if_gen_formats_iii_d11 = -1;
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static int hf_as_if_gen_formats_iii_d12 = -1;
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static int hf_as_if_gen_formats_iii_rsv = -1;
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static int hf_as_if_gen_formats_iv_d0 = -1;
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static int hf_as_if_gen_formats_iv_d1 = -1;
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static int hf_as_if_gen_formats_iv_d2 = -1;
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static int hf_as_if_gen_formats_iv_d3 = -1;
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static int hf_as_if_gen_formats_iv_d4 = -1;
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static int hf_as_if_gen_formats_iv_d5 = -1;
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static int hf_as_if_gen_formats_iv_d6 = -1;
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static int hf_as_if_gen_formats_iv_d7 = -1;
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static int hf_as_if_gen_formats_iv_d8 = -1;
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static int hf_as_if_gen_formats_iv_d9 = -1;
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static int hf_as_if_gen_formats_iv_d10 = -1;
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static int hf_as_if_gen_formats_iv_d11 = -1;
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static int hf_as_if_gen_formats_iv_d12 = -1;
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static int hf_as_if_gen_formats_iv_d13 = -1;
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static int hf_as_if_gen_formats_iv_d14 = -1;
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static int hf_as_if_gen_formats_iv_d15 = -1;
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static int hf_as_if_gen_formats_iv_d16 = -1;
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static int hf_as_if_gen_formats_iv_d17 = -1;
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static int hf_as_if_gen_formats_iv_d18 = -1;
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static int hf_as_if_gen_formats_iv_d19 = -1;
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static int hf_as_if_gen_formats_iv_d20 = -1;
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static int hf_as_if_gen_formats_iv_d21 = -1;
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static int hf_as_if_gen_formats_iv_rsv = -1;
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static int hf_as_if_gen_nrchannels = -1;
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static int hf_as_if_gen_bmchannelconfig = -1;
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static int hf_as_if_gen_bmchannelconfig_d0 = -1;
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static int hf_as_if_gen_bmchannelconfig_d1 = -1;
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static int hf_as_if_gen_bmchannelconfig_d2 = -1;
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static int hf_as_if_gen_bmchannelconfig_d3 = -1;
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static int hf_as_if_gen_bmchannelconfig_d4 = -1;
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static int hf_as_if_gen_bmchannelconfig_d5 = -1;
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static int hf_as_if_gen_bmchannelconfig_d6 = -1;
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static int hf_as_if_gen_bmchannelconfig_d7 = -1;
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static int hf_as_if_gen_bmchannelconfig_d8 = -1;
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static int hf_as_if_gen_bmchannelconfig_d9 = -1;
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static int hf_as_if_gen_bmchannelconfig_d10 = -1;
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static int hf_as_if_gen_bmchannelconfig_d11 = -1;
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static int hf_as_if_gen_bmchannelconfig_d12 = -1;
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static int hf_as_if_gen_bmchannelconfig_d13 = -1;
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static int hf_as_if_gen_bmchannelconfig_d14 = -1;
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static int hf_as_if_gen_bmchannelconfig_d15 = -1;
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static int hf_as_if_gen_bmchannelconfig_d16 = -1;
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static int hf_as_if_gen_bmchannelconfig_d17 = -1;
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static int hf_as_if_gen_bmchannelconfig_d18 = -1;
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static int hf_as_if_gen_bmchannelconfig_d19 = -1;
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static int hf_as_if_gen_bmchannelconfig_d20 = -1;
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static int hf_as_if_gen_bmchannelconfig_d21 = -1;
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static int hf_as_if_gen_bmchannelconfig_d22 = -1;
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static int hf_as_if_gen_bmchannelconfig_d23 = -1;
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static int hf_as_if_gen_bmchannelconfig_d24 = -1;
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static int hf_as_if_gen_bmchannelconfig_d25 = -1;
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static int hf_as_if_gen_bmchannelconfig_d26 = -1;
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static int hf_as_if_gen_bmchannelconfig_rsv = -1;
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static int hf_as_if_gen_bmchannelconfig_d31 = -1;
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static int hf_as_if_gen_channelnames = -1;
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static int hf_as_if_ft_formattype = -1;
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static int hf_as_if_ft_maxbitrate = -1;
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static int hf_as_if_ft_nrchannels = -1;
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static int hf_as_if_ft_subframesize = -1;
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static int hf_as_if_ft_subslotsize = -1;
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static int hf_as_if_ft_bitresolution = -1;
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static int hf_as_if_ft_samplesperframe = -1;
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static int hf_as_if_ft_samfreqtype = -1;
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static int hf_as_if_ft_lowersamfreq = -1;
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static int hf_as_if_ft_uppersamfreq = -1;
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static int hf_as_if_ft_samfreq = -1;
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static int hf_as_ep_desc_subtype = -1;
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static int hf_as_ep_gen_bmattributes = -1;
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static int hf_as_ep_gen_bmattributes_d0 = -1;
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static int hf_as_ep_gen_bmattributes_d1 = -1;
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static int hf_as_ep_gen_bmattributes_rsv = -1;
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static int hf_as_ep_gen_bmattributes_d7 = -1;
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static int hf_as_ep_gen_controls = -1;
|
|
static int hf_as_ep_gen_controls_pitch = -1;
|
|
static int hf_as_ep_gen_controls_data_overrun = -1;
|
|
static int hf_as_ep_gen_controls_data_underrun = -1;
|
|
static int hf_as_ep_gen_controls_rsv = -1;
|
|
static int hf_as_ep_gen_lockdelayunits = -1;
|
|
static int hf_as_ep_gen_lockdelay = -1;
|
|
static int hf_ms_if_desc_subtype = -1;
|
|
static int hf_ms_if_hdr_ver = -1;
|
|
static int hf_ms_if_hdr_total_len = -1;
|
|
static int hf_ms_if_midi_in_bjacktype = -1;
|
|
static int hf_ms_if_midi_in_bjackid = -1;
|
|
static int hf_ms_if_midi_in_ijack = -1;
|
|
static int hf_ms_if_midi_out_bjacktype = -1;
|
|
static int hf_ms_if_midi_out_bjackid = -1;
|
|
static int hf_ms_if_midi_out_bnrinputpins = -1;
|
|
static int hf_ms_if_midi_out_basourceid = -1;
|
|
static int hf_ms_if_midi_out_basourcepin = -1;
|
|
static int hf_ms_if_midi_out_ijack = -1;
|
|
static int hf_ms_ep_gen_numjacks = -1;
|
|
static int hf_ms_ep_gen_baassocjackid = -1;
|
|
static int hf_ms_ep_desc_subtype = -1;
|
|
|
|
static reassembly_table midi_data_reassembly_table;
|
|
|
|
static gint ett_usb_audio = -1;
|
|
static gint ett_usb_audio_desc = -1;
|
|
|
|
static gint ett_ac_if_hdr_controls = -1;
|
|
static gint ett_ac_if_fu_controls = -1;
|
|
static gint ett_ac_if_fu_controls0 = -1;
|
|
static gint ett_ac_if_fu_controls1 = -1;
|
|
static gint ett_ac_if_fu_controls_v2 = -1;
|
|
static gint ett_ac_if_fu_control_v2 = -1;
|
|
static gint ett_ac_if_su_sourceids = -1;
|
|
static gint ett_ac_if_su_controls = -1;
|
|
static gint ett_ac_if_input_wchannelconfig = -1;
|
|
static gint ett_ac_if_input_bmchannelconfig = -1;
|
|
static gint ett_ac_if_input_controls = -1;
|
|
static gint ett_ac_if_output_controls = -1;
|
|
static gint ett_ac_if_mu_channelconfig = -1;
|
|
static gint ett_ac_if_clksrc_attr = -1;
|
|
static gint ett_ac_if_clksrc_controls = -1;
|
|
static gint ett_ac_if_clksel_controls = -1;
|
|
static gint ett_as_if_gen_controls = -1;
|
|
static gint ett_as_if_gen_formats = -1;
|
|
static gint ett_as_if_gen_bmchannelconfig = -1;
|
|
static gint ett_as_ep_gen_attributes = -1;
|
|
static gint ett_as_ep_gen_controls = -1;
|
|
|
|
static dissector_handle_t sysex_handle;
|
|
static dissector_handle_t usb_audio_bulk_handle;
|
|
|
|
#define AUDIO_IF_SUBCLASS_UNDEFINED 0x00
|
|
#define AUDIO_IF_SUBCLASS_AUDIOCONTROL 0x01
|
|
#define AUDIO_IF_SUBCLASS_AUDIOSTREAMING 0x02
|
|
#define AUDIO_IF_SUBCLASS_MIDISTREAMING 0x03
|
|
|
|
static const value_string usb_audio_subclass_vals[] = {
|
|
{AUDIO_IF_SUBCLASS_UNDEFINED, "Undefined"},
|
|
{AUDIO_IF_SUBCLASS_AUDIOCONTROL, "Audio Control"},
|
|
{AUDIO_IF_SUBCLASS_AUDIOSTREAMING, "Audio Streaming"},
|
|
{AUDIO_IF_SUBCLASS_MIDISTREAMING, "MIDI Streaming"},
|
|
{0,NULL}
|
|
};
|
|
value_string_ext ext_usb_audio_subclass_vals =
|
|
VALUE_STRING_EXT_INIT(usb_audio_subclass_vals);
|
|
|
|
static const value_string code_index_vals[] = {
|
|
{ 0x0, "Miscellaneous (Reserved)" },
|
|
{ 0x1, "Cable events (Reserved)" },
|
|
{ 0x2, "Two-byte System Common message" },
|
|
{ 0x3, "Three-byte System Common message" },
|
|
{ 0x4, "SysEx starts or continues" },
|
|
{ 0x5, "SysEx ends with following single byte/Single-byte System Common Message" },
|
|
{ 0x6, "SysEx ends with following two bytes" },
|
|
{ 0x7, "SysEx ends with following three bytes" },
|
|
{ 0x8, "Note-off" },
|
|
{ 0x9, "Note-on" },
|
|
{ 0xA, "Poly-KeyPress" },
|
|
{ 0xB, "Control Change" },
|
|
{ 0xC, "Program Change" },
|
|
{ 0xD, "Channel Pressure" },
|
|
{ 0xE, "PitchBend Change" },
|
|
{ 0xF, "Single Byte" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* USB audio specification, section A.8 */
|
|
#define CS_INTERFACE 0x24
|
|
#define CS_ENDPOINT 0x25
|
|
|
|
static const value_string aud_descriptor_type_vals[] = {
|
|
{CS_INTERFACE, "audio class interface"},
|
|
{CS_ENDPOINT, "audio class endpoint"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext aud_descriptor_type_vals_ext =
|
|
VALUE_STRING_EXT_INIT(aud_descriptor_type_vals);
|
|
|
|
#define AC_SUBTYPE_HEADER 0x01
|
|
#define AC_SUBTYPE_INPUT_TERMINAL 0x02
|
|
#define AC_SUBTYPE_OUTPUT_TERMINAL 0x03
|
|
#define AC_SUBTYPE_MIXER_UNIT 0x04
|
|
#define AC_SUBTYPE_SELECTOR_UNIT 0x05
|
|
#define AC_SUBTYPE_FEATURE_UNIT 0x06
|
|
#define AC_SUBTYPE_EFFECT_UNIT 0x07
|
|
#define AC_SUBTYPE_PROCESSING_UNIT 0x08
|
|
#define AC_SUBTYPE_EXTENSION_UNIT 0x09
|
|
#define AC_SUBTYPE_CLOCK_SOURCE 0x0A
|
|
#define AC_SUBTYPE_CLOCK_SELECTOR 0x0B
|
|
#define AC_SUBTYPE_CLOCK_MULTIPLIER 0x0C
|
|
#define AC_SUBTYPE_SAMPLE_RATE_CONVERTER 0x0D
|
|
|
|
static const value_string ac_subtype_vals[] = {
|
|
{AC_SUBTYPE_HEADER, "Header Descriptor"},
|
|
{AC_SUBTYPE_INPUT_TERMINAL, "Input terminal descriptor"},
|
|
{AC_SUBTYPE_OUTPUT_TERMINAL, "Output terminal descriptor"},
|
|
{AC_SUBTYPE_MIXER_UNIT, "Mixer unit descriptor"},
|
|
{AC_SUBTYPE_SELECTOR_UNIT, "Selector unit descriptor"},
|
|
{AC_SUBTYPE_FEATURE_UNIT, "Feature unit descriptor"},
|
|
{AC_SUBTYPE_EFFECT_UNIT, "Effect unit descriptor"},
|
|
{AC_SUBTYPE_PROCESSING_UNIT, "Processing unit descriptor"},
|
|
{AC_SUBTYPE_EXTENSION_UNIT, "Extension unit descriptor"},
|
|
{AC_SUBTYPE_CLOCK_SOURCE, "Clock source descriptor"},
|
|
{AC_SUBTYPE_CLOCK_SELECTOR, "Clock selector descriptor"},
|
|
{AC_SUBTYPE_CLOCK_MULTIPLIER, "Clock multiplier descriptor"},
|
|
{AC_SUBTYPE_SAMPLE_RATE_CONVERTER, "Sample rate converter descriptor"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext ac_subtype_vals_ext =
|
|
VALUE_STRING_EXT_INIT(ac_subtype_vals);
|
|
|
|
#define AS_SUBTYPE_GENERAL 0x01
|
|
#define AS_SUBTYPE_FORMAT_TYPE 0x02
|
|
#define AS_SUBTYPE_ENCODER 0x03
|
|
|
|
static const value_string as_subtype_vals[] = {
|
|
{AS_SUBTYPE_GENERAL, "General AS Descriptor"},
|
|
{AS_SUBTYPE_FORMAT_TYPE, "Format type descriptor"},
|
|
{AS_SUBTYPE_ENCODER, "Encoder descriptor"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext as_subtype_vals_ext =
|
|
VALUE_STRING_EXT_INIT(as_subtype_vals);
|
|
|
|
#define AS_EP_SUBTYPE_GENERAL 0x01
|
|
static const value_string as_ep_subtype_vals[] = {
|
|
{AS_EP_SUBTYPE_GENERAL, "General Descriptor"},
|
|
{0,NULL}
|
|
};
|
|
|
|
#define MS_IF_SUBTYPE_HEADER 0x01
|
|
#define MS_IF_SUBTYPE_MIDI_IN_JACK 0x02
|
|
#define MS_IF_SUBTYPE_MIDI_OUT_JACK 0x03
|
|
#define MS_IF_SUBTYPE_ELEMENT 0x04
|
|
static const value_string ms_if_subtype_vals[] = {
|
|
{MS_IF_SUBTYPE_HEADER, "Header Descriptor"},
|
|
{MS_IF_SUBTYPE_MIDI_IN_JACK, "MIDI IN Jack descriptor"},
|
|
{MS_IF_SUBTYPE_MIDI_OUT_JACK, "MIDI OUT Jack descriptor"},
|
|
{MS_IF_SUBTYPE_ELEMENT, "MIDI Element descriptor"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext ms_if_subtype_vals_ext =
|
|
VALUE_STRING_EXT_INIT(ms_if_subtype_vals);
|
|
|
|
#define MS_MIDI_JACK_TYPE_EMBEDDED 0x01
|
|
#define MS_MIDI_JACK_TYPE_EXTERNAL 0x02
|
|
static const value_string ms_midi_jack_type_vals[] = {
|
|
{MS_MIDI_JACK_TYPE_EMBEDDED, "Embedded"},
|
|
{MS_MIDI_JACK_TYPE_EXTERNAL, "External"},
|
|
{0,NULL}
|
|
};
|
|
|
|
#define MS_EP_SUBTYPE_GENERAL 0x01
|
|
static const value_string ms_ep_subtype_vals[] = {
|
|
{MS_EP_SUBTYPE_GENERAL, "General Descriptor"},
|
|
{0,NULL}
|
|
};
|
|
|
|
/* Table A-7: Audio Function Category Codes */
|
|
static const value_string audio_function_categories_vals[] = {
|
|
{0x00, "Undefined"},
|
|
{0x01, "Desktop speaker"},
|
|
{0x02, "Home theater"},
|
|
{0x03, "Microphone"},
|
|
{0x04, "Headset"},
|
|
{0x05, "Telephone"},
|
|
{0x06, "Converter"},
|
|
{0x07, "Voice/Sound recorder"},
|
|
{0x08, "I/O box"},
|
|
{0x09, "Musical instrument"},
|
|
{0x0A, "Pro-audio"},
|
|
{0x0B, "Audio/Video"},
|
|
{0x0C, "Control panel"},
|
|
{0xFF, "Other"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext audio_function_categories_vals_ext =
|
|
VALUE_STRING_EXT_INIT(audio_function_categories_vals);
|
|
|
|
/* Described in 4.7.2 Class-Specific AC Interface Descriptor */
|
|
static const value_string controls_capabilities_vals[] = {
|
|
{0x00, "Not present"},
|
|
{0x01, "Present, read-only"},
|
|
{0x02, "Value not allowed"},
|
|
{0x03, "Host programmable"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext controls_capabilities_vals_ext =
|
|
VALUE_STRING_EXT_INIT(controls_capabilities_vals);
|
|
|
|
/* Described in 4.9.2 Class-Specific AS Interface Descriptor */
|
|
static const value_string controls_capabilities_read_only_vals[] = {
|
|
{0x00, "Not present"},
|
|
{0x01, "Present, read-only"},
|
|
{0x02, "Value not allowed"},
|
|
{0x03, "Value not allowed"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext controls_capabilities_read_only_vals_ext =
|
|
VALUE_STRING_EXT_INIT(controls_capabilities_read_only_vals);
|
|
|
|
/* Described in 4.7.2.1 Clock Source Descriptor */
|
|
static const value_string clock_types_vals[] = {
|
|
{0x00, "External clock"},
|
|
{0x01, "Internal fixed clock"},
|
|
{0x02, "Internal variable clock"},
|
|
{0x03, "Internal programmable clock"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string clock_sync_vals[] = {
|
|
{0x00, "Free running"},
|
|
{0x01, "Synchronized to the Start of Frame"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string lock_delay_unit_vals[] = {
|
|
{0, "Undefined"},
|
|
{1, "Milliseconds"},
|
|
{2, "Decoded PCM samples"},
|
|
{0,NULL}
|
|
};
|
|
|
|
/* From https://www.usb.org/sites/default/files/termt10.pdf */
|
|
static const value_string terminal_types_vals[] = {
|
|
/* USB Terminal Types */
|
|
{0x0100, "USB Undefined"},
|
|
{0x0101, "USB Streaming"},
|
|
{0x01FF, "USB vendor specific"},
|
|
/* Input Terminal Tyoes */
|
|
{0x0200, "Input Undefined"},
|
|
{0x0201, "Microphone"},
|
|
{0x0202, "Desktop Microphone"},
|
|
{0x0203, "Personal microphone"},
|
|
{0x0204, "Omni-directional microphone"},
|
|
{0x0205, "Microphone array"},
|
|
{0x0206, "Processing microphone array"},
|
|
{0x0300, "Output Undefined"},
|
|
{0x0301, "Speaker"},
|
|
{0x0302, "Headphones"},
|
|
{0x0303, "Head Mounted Display Audio"},
|
|
{0x0304, "Desktop speaker"},
|
|
{0x0305, "Room speaker"},
|
|
{0x0306, "Communication speaker"},
|
|
{0x0307, "Low frequency effects speaker"},
|
|
/* Bi-directional Terminal Types */
|
|
{0x0400, "Bi-directional Undefined"},
|
|
{0x0401, "Handset"},
|
|
{0x0402, "Headset"},
|
|
{0x0403, "Speakerphone, no echoreduction"},
|
|
{0x0404, "Echo-suppressing speakerphone"},
|
|
{0x0405, "Echo-canceling speakerphone"},
|
|
/* Telephony Terminal Types */
|
|
{0x0500, "Telephony Undefined"},
|
|
{0x0501, "Phone line"},
|
|
{0x0502, "Telephone"},
|
|
{0x0503, "Down Line Pone"},
|
|
/* External Terminal Types */
|
|
{0x0600, "External Undefined"},
|
|
{0x0601, "Analog connector"},
|
|
{0x0602, "Digital audio interface"},
|
|
{0x0603, "Line connector"},
|
|
{0x0604, "Legacy audio connector"},
|
|
{0x0605, "S/PDIF interface"},
|
|
{0x0606, "1394 DA stream"},
|
|
{0x0607, "1394 DV stream soundtrack"},
|
|
/* Embedded Function Terminal Types */
|
|
{0x0700, "Embedded Undefined"},
|
|
{0x0701, "Level Calibration Noise Source"},
|
|
{0x0702, "Equalization Noise"},
|
|
{0x0703, "CD player"},
|
|
{0x0704, "DAT"},
|
|
{0x0705, "DCC"},
|
|
{0x0706, "MiniDisk"},
|
|
{0x0707, "Analog Tape"},
|
|
{0x0708, "Phonograph"},
|
|
{0x0709, "VCR Audio"},
|
|
{0x070A, "Video Disc Audio"},
|
|
{0x070B, "DVD Audio"},
|
|
{0x070C, "TV Tuner Audio"},
|
|
{0x070D, "Satellite Receiver Audio"},
|
|
{0x070E, "cable Tuner Audio"},
|
|
{0x070F, "DSS Audio"},
|
|
{0x0710, "Radio Receiver"},
|
|
{0x0711, "Radio Transmitter"},
|
|
{0x0712, "Multi-track Recorder"},
|
|
{0x0713, "Synthesizer"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext terminal_types_vals_ext =
|
|
VALUE_STRING_EXT_INIT(terminal_types_vals);
|
|
|
|
/* From https://usb.org/sites/default/files/frmts10.pdf */
|
|
static const value_string audio_data_format_tag_vals[] = {
|
|
/* Audio Data Format Type I Codes */
|
|
{0x0000, "Type I Undefined"},
|
|
{0x0001, "PCM"},
|
|
{0x0002, "PCM8"},
|
|
{0x0003, "IEEE Float"},
|
|
{0x0004, "ALAW"},
|
|
{0x0005, "MULAW"},
|
|
/* Audio Data Format Type II Codes */
|
|
{0x1000, "Type II Undefined"},
|
|
{0x1001, "MPEG"},
|
|
{0x1002, "AC-3"},
|
|
/* Audio Data Format Type III Codes */
|
|
{0x2000, "Type III Undefined"},
|
|
{0x2001, "IEC1937 AC-3"},
|
|
{0x2002, "IEC1937 MPEG-1 Layer1"},
|
|
{0x2003, "IEC1937 MPEG-1 Layer2/3 or IEC1937 MPEG-2 NOEXT"},
|
|
{0x2004, "IEC1937 MPEG-2 EXT"},
|
|
{0x2005, "IEC1937 MPEG-2 Layer1 LS"},
|
|
{0x2006, "IEC1937 MPEG-2 Layer2/3 LS"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext audio_data_format_tag_vals_ext =
|
|
VALUE_STRING_EXT_INIT(audio_data_format_tag_vals);
|
|
|
|
typedef struct _audio_conv_info_t {
|
|
/* the major version of the USB audio class specification,
|
|
taken from the AC header descriptor */
|
|
guint8 audio_ver_major;
|
|
/* the major version of the USB Device Class Definition for
|
|
MIDI Devices, taken from the MS header descriptor */
|
|
guint8 midi_ver_major;
|
|
} audio_conv_info_t;
|
|
|
|
static int hf_sysex_msg_fragments = -1;
|
|
static int hf_sysex_msg_fragment = -1;
|
|
static int hf_sysex_msg_fragment_overlap = -1;
|
|
static int hf_sysex_msg_fragment_overlap_conflicts = -1;
|
|
static int hf_sysex_msg_fragment_multiple_tails = -1;
|
|
static int hf_sysex_msg_fragment_too_long_fragment = -1;
|
|
static int hf_sysex_msg_fragment_error = -1;
|
|
static int hf_sysex_msg_fragment_count = -1;
|
|
static int hf_sysex_msg_reassembled_in = -1;
|
|
static int hf_sysex_msg_reassembled_length = -1;
|
|
static int hf_sysex_msg_reassembled_data = -1;
|
|
|
|
static gint ett_sysex_msg_fragment = -1;
|
|
static gint ett_sysex_msg_fragments = -1;
|
|
|
|
static expert_field ei_usb_audio_undecoded = EI_INIT;
|
|
static expert_field ei_usb_audio_invalid_feature_unit_length = EI_INIT;
|
|
static expert_field ei_usb_audio_invalid_type_3_ft_nrchannels = EI_INIT;
|
|
static expert_field ei_usb_audio_invalid_type_3_ft_subframesize = EI_INIT;
|
|
static expert_field ei_usb_audio_invalid_type_3_ft_bitresolution = EI_INIT;
|
|
|
|
static const fragment_items sysex_msg_frag_items = {
|
|
/* Fragment subtrees */
|
|
&ett_sysex_msg_fragment,
|
|
&ett_sysex_msg_fragments,
|
|
/* Fragment fields */
|
|
&hf_sysex_msg_fragments,
|
|
&hf_sysex_msg_fragment,
|
|
&hf_sysex_msg_fragment_overlap,
|
|
&hf_sysex_msg_fragment_overlap_conflicts,
|
|
&hf_sysex_msg_fragment_multiple_tails,
|
|
&hf_sysex_msg_fragment_too_long_fragment,
|
|
&hf_sysex_msg_fragment_error,
|
|
&hf_sysex_msg_fragment_count,
|
|
/* Reassembled in field */
|
|
&hf_sysex_msg_reassembled_in,
|
|
/* Reassembled length field */
|
|
&hf_sysex_msg_reassembled_length,
|
|
&hf_sysex_msg_reassembled_data,
|
|
/* Tag */
|
|
"Message fragments"
|
|
};
|
|
|
|
static gint
|
|
get_midi_event_size(guint8 code)
|
|
{
|
|
switch (code)
|
|
{
|
|
case 0x0: /* Miscellaneous function codes. Reserved for future extensions. */
|
|
case 0x1: /* Cable events. Reserved for future expansion. */
|
|
/* The Event size can be 1, 2 or 3 bytes. Assume 3. */
|
|
return 3;
|
|
case 0x5: /* Single-byte System Common Message or SysEx ends with following single byte. */
|
|
case 0xF: /* Single Byte */
|
|
return 1;
|
|
case 0x2: /* 2 Two-byte System Common messages like MTC, SongSelect, etc. */
|
|
case 0x6: /* SysEx ends with following two bytes. */
|
|
case 0xC: /* Program Change */
|
|
case 0xD: /* Channel Pressure */
|
|
return 2;
|
|
case 0x3: /* Three-byte System Common messages like SPP, etc. */
|
|
case 0x4: /* SysEx starts or continues */
|
|
case 0x7: /* SysEx ends with following three bytes. */
|
|
case 0x8: /* Note-off */
|
|
case 0x9: /* Note-on */
|
|
case 0xA: /* Poly-KeyPress */
|
|
case 0xB: /* Control Change */
|
|
case 0xE: /* PitchBend Change */
|
|
return 3;
|
|
default:
|
|
/* Invalid Code Index Number */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline gboolean
|
|
is_sysex_code(guint8 code)
|
|
{
|
|
return (code == 0x04 || code == 0x05 || code == 0x06 || code == 0x07);
|
|
}
|
|
|
|
static gboolean
|
|
is_last_sysex_packet_in_tvb(tvbuff_t *tvb, gint offset)
|
|
{
|
|
gboolean last = TRUE;
|
|
gint length = tvb_reported_length(tvb);
|
|
|
|
offset += 4;
|
|
while (offset < length)
|
|
{
|
|
guint8 code = tvb_get_guint8(tvb, offset);
|
|
code &= 0x0F;
|
|
|
|
if (is_sysex_code(code))
|
|
{
|
|
last = FALSE;
|
|
break;
|
|
}
|
|
|
|
offset += 4;
|
|
}
|
|
|
|
return last;
|
|
}
|
|
|
|
static void
|
|
dissect_usb_midi_event(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *parent_tree,
|
|
gint offset)
|
|
{
|
|
guint8 code;
|
|
guint8 cable;
|
|
gboolean save_fragmented;
|
|
proto_tree *tree = NULL;
|
|
|
|
code = tvb_get_guint8(tvb, offset);
|
|
cable = (code & 0xF0) >> 4;
|
|
code &= 0x0F;
|
|
|
|
if (parent_tree)
|
|
{
|
|
proto_item *ti;
|
|
gint event_size, padding_size;
|
|
|
|
ti = proto_tree_add_protocol_format(parent_tree, proto_usb_audio, tvb, offset, 4, "USB Midi Event Packet: %s",
|
|
try_val_to_str(code, code_index_vals));
|
|
tree = proto_item_add_subtree(ti, ett_usb_audio);
|
|
proto_tree_add_item(tree, hf_midi_cable_number, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_midi_code_index, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
event_size = get_midi_event_size(code);
|
|
padding_size = 3 - event_size;
|
|
if (event_size > 0)
|
|
{
|
|
/* TODO: Create MIDI dissector and pass the event data to it */
|
|
const guint8 *event_data = tvb_get_ptr(tvb, offset+1, event_size);
|
|
proto_tree_add_bytes(tree, hf_midi_event, tvb, offset+1, event_size, event_data);
|
|
}
|
|
if (padding_size > 0)
|
|
{
|
|
const guint8 *padding = tvb_get_ptr(tvb, offset+1+event_size, padding_size);
|
|
proto_tree_add_bytes(tree, hf_midi_padding, tvb, offset+1+event_size, padding_size, padding);
|
|
}
|
|
}
|
|
|
|
save_fragmented = pinfo->fragmented;
|
|
|
|
/* Reassemble SysEx commands */
|
|
if (is_sysex_code(code))
|
|
{
|
|
tvbuff_t* new_tvb = NULL;
|
|
fragment_head *frag_sysex_msg = NULL;
|
|
|
|
pinfo->fragmented = TRUE;
|
|
|
|
if (code == 0x04)
|
|
{
|
|
frag_sysex_msg = fragment_add_seq_next(&midi_data_reassembly_table,
|
|
tvb, offset+1,
|
|
pinfo,
|
|
cable, /* ID for fragments belonging together */
|
|
NULL,
|
|
3,
|
|
TRUE);
|
|
}
|
|
else
|
|
{
|
|
frag_sysex_msg = fragment_add_seq_next(&midi_data_reassembly_table,
|
|
tvb, offset+1,
|
|
pinfo,
|
|
cable, /* ID for fragments belonging together */
|
|
NULL,
|
|
(gint)(code - 4),
|
|
FALSE);
|
|
}
|
|
|
|
if (is_last_sysex_packet_in_tvb(tvb, offset))
|
|
{
|
|
new_tvb = process_reassembled_data(tvb, offset+1, pinfo,
|
|
"Reassembled Message", frag_sysex_msg, &sysex_msg_frag_items,
|
|
NULL, tree);
|
|
|
|
if (code != 0x04) { /* Reassembled */
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
" (SysEx Reassembled)");
|
|
} else { /* Not last packet of reassembled Short Message */
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
" (SysEx fragment)");
|
|
}
|
|
|
|
if (new_tvb)
|
|
{
|
|
call_dissector(sysex_handle, new_tvb, pinfo, parent_tree);
|
|
}
|
|
}
|
|
}
|
|
|
|
pinfo->fragmented = save_fragmented;
|
|
}
|
|
|
|
static audio_conv_info_t*
|
|
allocate_audio_conv_info(void)
|
|
{
|
|
audio_conv_info_t *info = wmem_new(wmem_file_scope(), audio_conv_info_t);
|
|
info->audio_ver_major = 0;
|
|
info->midi_ver_major = 0;
|
|
return info;
|
|
}
|
|
|
|
/* dissect the body of an AC interface header descriptor
|
|
return the number of bytes dissected (which may be smaller than the
|
|
body's length) */
|
|
static gint
|
|
dissect_ac_if_hdr_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
gint offset_start;
|
|
guint16 bcdADC;
|
|
guint8 ver_major;
|
|
double ver;
|
|
guint8 if_in_collection, i;
|
|
audio_conv_info_t *audio_conv_info;
|
|
|
|
static int * const bm_controls[] = {
|
|
&hf_ac_if_hdr_controls_latency,
|
|
&hf_ac_if_hdr_controls_rsv,
|
|
NULL
|
|
};
|
|
|
|
offset_start = offset;
|
|
|
|
bcdADC = tvb_get_letohs(tvb, offset);
|
|
ver_major = USB_AUDIO_BCD44_TO_DEC(bcdADC>>8);
|
|
ver = ver_major + USB_AUDIO_BCD44_TO_DEC(bcdADC&0xFF) / 100.0;
|
|
|
|
proto_tree_add_double_format_value(tree, hf_ac_if_hdr_ver,
|
|
tvb, offset, 2, ver, "%2.2f", ver);
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if(!audio_conv_info) {
|
|
audio_conv_info = allocate_audio_conv_info();
|
|
usb_conv_info->class_data = audio_conv_info;
|
|
usb_conv_info->class_data_type = USB_CONV_AUDIO;
|
|
/* XXX - set reasonable default values for all components
|
|
that are not filled in by this function */
|
|
} else if (usb_conv_info->class_data_type != USB_CONV_AUDIO) {
|
|
/* Don't dissect if another USB type is in the conversation */
|
|
return 0;
|
|
}
|
|
audio_conv_info->audio_ver_major = ver_major;
|
|
offset += 2;
|
|
|
|
/* version 1 refers to the Basic Audio Device specification,
|
|
version 2 is the Audio Device class specification, see above */
|
|
if (ver_major==1) {
|
|
proto_tree_add_item(tree, hf_ac_if_hdr_total_len,
|
|
tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
if_in_collection = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_ac_if_hdr_bInCollection,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
|
|
for (i=0; i<if_in_collection; i++) {
|
|
proto_tree_add_item(tree, hf_ac_if_hdr_if_num,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
}
|
|
}
|
|
else if (ver_major==2) {
|
|
proto_tree_add_item(tree, hf_ac_if_hdr_category,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_ac_if_hdr_total_len,
|
|
tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_hdr_controls,
|
|
ett_ac_if_hdr_controls, bm_controls, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
}
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ac_if_input_terminal(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
audio_conv_info_t *audio_conv_info;
|
|
gint offset_start;
|
|
|
|
static int * const input_wchannelconfig[] = {
|
|
&hf_ac_if_input_wchannelconfig_d0,
|
|
&hf_ac_if_input_wchannelconfig_d1,
|
|
&hf_ac_if_input_wchannelconfig_d2,
|
|
&hf_ac_if_input_wchannelconfig_d3,
|
|
&hf_ac_if_input_wchannelconfig_d4,
|
|
&hf_ac_if_input_wchannelconfig_d5,
|
|
&hf_ac_if_input_wchannelconfig_d6,
|
|
&hf_ac_if_input_wchannelconfig_d7,
|
|
&hf_ac_if_input_wchannelconfig_d8,
|
|
&hf_ac_if_input_wchannelconfig_d9,
|
|
&hf_ac_if_input_wchannelconfig_d10,
|
|
&hf_ac_if_input_wchannelconfig_d11,
|
|
&hf_ac_if_input_wchannelconfig_rsv,
|
|
NULL
|
|
};
|
|
|
|
static int * const input_bmchannelconfig[] = {
|
|
&hf_ac_if_input_bmchannelconfig_d0,
|
|
&hf_ac_if_input_bmchannelconfig_d1,
|
|
&hf_ac_if_input_bmchannelconfig_d2,
|
|
&hf_ac_if_input_bmchannelconfig_d3,
|
|
&hf_ac_if_input_bmchannelconfig_d4,
|
|
&hf_ac_if_input_bmchannelconfig_d5,
|
|
&hf_ac_if_input_bmchannelconfig_d6,
|
|
&hf_ac_if_input_bmchannelconfig_d7,
|
|
&hf_ac_if_input_bmchannelconfig_d8,
|
|
&hf_ac_if_input_bmchannelconfig_d9,
|
|
&hf_ac_if_input_bmchannelconfig_d10,
|
|
&hf_ac_if_input_bmchannelconfig_d11,
|
|
&hf_ac_if_input_bmchannelconfig_d12,
|
|
&hf_ac_if_input_bmchannelconfig_d13,
|
|
&hf_ac_if_input_bmchannelconfig_d14,
|
|
&hf_ac_if_input_bmchannelconfig_d15,
|
|
&hf_ac_if_input_bmchannelconfig_d16,
|
|
&hf_ac_if_input_bmchannelconfig_d17,
|
|
&hf_ac_if_input_bmchannelconfig_d18,
|
|
&hf_ac_if_input_bmchannelconfig_d19,
|
|
&hf_ac_if_input_bmchannelconfig_d20,
|
|
&hf_ac_if_input_bmchannelconfig_d21,
|
|
&hf_ac_if_input_bmchannelconfig_d22,
|
|
&hf_ac_if_input_bmchannelconfig_d23,
|
|
&hf_ac_if_input_bmchannelconfig_d24,
|
|
&hf_ac_if_input_bmchannelconfig_d25,
|
|
&hf_ac_if_input_bmchannelconfig_d26,
|
|
&hf_ac_if_input_bmchannelconfig_rsv,
|
|
&hf_ac_if_input_bmchannelconfig_d31,
|
|
NULL
|
|
};
|
|
|
|
static int * const controls[] = {
|
|
&hf_ac_if_input_controls_copy,
|
|
&hf_ac_if_input_controls_connector,
|
|
&hf_ac_if_input_controls_overload,
|
|
&hf_ac_if_input_controls_cluster,
|
|
&hf_ac_if_input_controls_underflow,
|
|
&hf_ac_if_input_controls_overflow,
|
|
&hf_ac_if_input_controls_rsv,
|
|
NULL
|
|
};
|
|
|
|
/* the caller has already checked that usb_conv_info!=NULL */
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if (!audio_conv_info)
|
|
return 0;
|
|
|
|
/* do not try to dissect unknown versions */
|
|
if (!((audio_conv_info->audio_ver_major==1) || (audio_conv_info->audio_ver_major==2)))
|
|
return 0;
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_input_terminalid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_input_terminaltype, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_input_assocterminal, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (audio_conv_info->audio_ver_major == 2) {
|
|
proto_tree_add_item(tree, hf_ac_if_input_csourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_input_nrchannels, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (audio_conv_info->audio_ver_major==1) {
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_input_wchannelconfig, ett_ac_if_input_wchannelconfig, input_wchannelconfig, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
} else if (audio_conv_info->audio_ver_major==2) {
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_input_bmchannelconfig, ett_ac_if_input_bmchannelconfig, input_bmchannelconfig, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_input_channelnames, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (audio_conv_info->audio_ver_major==2) {
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_input_controls, ett_ac_if_input_controls, controls, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_input_terminal, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ac_if_output_terminal(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
audio_conv_info_t *audio_conv_info;
|
|
gint offset_start;
|
|
|
|
static int * const controls[] = {
|
|
&hf_ac_if_output_controls_copy,
|
|
&hf_ac_if_output_controls_connector,
|
|
&hf_ac_if_output_controls_overload,
|
|
&hf_ac_if_output_controls_underflow,
|
|
&hf_ac_if_output_controls_overflow,
|
|
&hf_ac_if_output_controls_rsv,
|
|
NULL
|
|
};
|
|
|
|
/* the caller has already checked that usb_conv_info!=NULL */
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if (!audio_conv_info)
|
|
return 0;
|
|
|
|
/* do not try to dissect unknown versions */
|
|
if (!((audio_conv_info->audio_ver_major==1) || (audio_conv_info->audio_ver_major==2)))
|
|
return 0;
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_output_terminalid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_output_terminaltype, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_output_assocterminal, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_output_sourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (audio_conv_info->audio_ver_major==2) {
|
|
proto_tree_add_item(tree, hf_ac_if_output_clk_sourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_output_controls, ett_ac_if_output_controls, controls, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_output_terminal, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ac_if_feature_unit(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info _U_, guint8 desc_len)
|
|
{
|
|
audio_conv_info_t *audio_conv_info;
|
|
gint offset_start;
|
|
gint i;
|
|
gint ch;
|
|
guint8 controlsize;
|
|
proto_tree *bitmap_tree;
|
|
proto_item *ti;
|
|
|
|
static int * const fu_controls0[] = {
|
|
&hf_ac_if_fu_controls_d0,
|
|
&hf_ac_if_fu_controls_d1,
|
|
&hf_ac_if_fu_controls_d2,
|
|
&hf_ac_if_fu_controls_d3,
|
|
&hf_ac_if_fu_controls_d4,
|
|
&hf_ac_if_fu_controls_d5,
|
|
&hf_ac_if_fu_controls_d6,
|
|
&hf_ac_if_fu_controls_d7,
|
|
NULL };
|
|
|
|
static int * const fu_controls1[] = {
|
|
&hf_ac_if_fu_controls_d8,
|
|
&hf_ac_if_fu_controls_d9,
|
|
&hf_ac_if_fu_controls_rsv,
|
|
NULL };
|
|
|
|
static int * const v2_fu_controls[] = {
|
|
&hf_ac_if_fu_controls_v2_d0,
|
|
&hf_ac_if_fu_controls_v2_d1,
|
|
&hf_ac_if_fu_controls_v2_d2,
|
|
&hf_ac_if_fu_controls_v2_d3,
|
|
&hf_ac_if_fu_controls_v2_d4,
|
|
&hf_ac_if_fu_controls_v2_d5,
|
|
&hf_ac_if_fu_controls_v2_d6,
|
|
&hf_ac_if_fu_controls_v2_d7,
|
|
&hf_ac_if_fu_controls_v2_d8,
|
|
&hf_ac_if_fu_controls_v2_d9,
|
|
&hf_ac_if_fu_controls_v2_d10,
|
|
&hf_ac_if_fu_controls_v2_d11,
|
|
&hf_ac_if_fu_controls_v2_d12,
|
|
&hf_ac_if_fu_controls_v2_d13,
|
|
&hf_ac_if_fu_controls_v2_d14,
|
|
&hf_ac_if_fu_controls_v2_rsv,
|
|
NULL };
|
|
|
|
/* the caller has already checked that usb_conv_info!=NULL */
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if (!audio_conv_info)
|
|
return 0;
|
|
|
|
/* do not try to dissect unknown versions */
|
|
if (!((audio_conv_info->audio_ver_major==1) || (audio_conv_info->audio_ver_major==2)))
|
|
return 0;
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_fu_unitid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_fu_sourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (audio_conv_info->audio_ver_major==1) {
|
|
proto_tree_add_item(tree, hf_ac_if_fu_controlsize, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
controlsize = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
/* Descriptor size is 7+(ch+1)*n where n is controlsize, calculate and validate ch */
|
|
ch = (controlsize > 0) ? (((desc_len - 7) / (controlsize)) - 1) : 0;
|
|
if (((7 + ((ch + 1) * controlsize)) != desc_len) || (ch < 0) || (controlsize == 0)){
|
|
/* Report malformed packet, do not attempt further dissection */
|
|
proto_tree_add_expert(tree, pinfo, &ei_usb_audio_invalid_feature_unit_length, tvb, offset, desc_len-offset);
|
|
offset += desc_len-offset;
|
|
return offset-offset_start;
|
|
}
|
|
|
|
ti = proto_tree_add_item(tree, hf_ac_if_fu_controls, tvb, offset, controlsize * (ch + 1), ENC_NA);
|
|
bitmap_tree = proto_item_add_subtree(ti, ett_ac_if_fu_controls);
|
|
|
|
/* bmaControls has 1 master channel 0 controls, and variable number of logical channel controls */
|
|
for (i = 0; i < (ch + 1); i++) {
|
|
ti = proto_tree_add_bitmask(bitmap_tree, tvb, offset, hf_ac_if_fu_control, ett_ac_if_fu_controls0, fu_controls0, ENC_LITTLE_ENDIAN);
|
|
proto_item_prepend_text(ti, "%s channel %d ", (i == 0) ? "Master" : "Logical", i);
|
|
if (controlsize > 1) {
|
|
ti = proto_tree_add_bitmask(bitmap_tree, tvb, offset + 1, hf_ac_if_fu_control, ett_ac_if_fu_controls1, fu_controls1, ENC_LITTLE_ENDIAN);
|
|
proto_item_prepend_text(ti, "%s channel %d", (i == 0) ? "Master" : "Logical", i);
|
|
}
|
|
offset += controlsize;
|
|
}
|
|
|
|
} else if (audio_conv_info->audio_ver_major==2) {
|
|
/* Descriptor size is 6+(ch+1)*4, calculate and validate ch */
|
|
ch = (desc_len - 6) / 4 - 1;
|
|
if (((6 + (ch + 1) * 4) != desc_len) || (ch < 0)) {
|
|
/* Report malformed packet, do not attempt further dissection */
|
|
proto_tree_add_expert(tree, pinfo, &ei_usb_audio_invalid_feature_unit_length, tvb, offset, desc_len-offset);
|
|
offset += desc_len-offset;
|
|
return offset-offset_start;
|
|
}
|
|
|
|
ti = proto_tree_add_item(tree, hf_ac_if_fu_controls_v2, tvb, offset, 4 * (ch + 1), ENC_NA);
|
|
bitmap_tree = proto_item_add_subtree(ti, ett_ac_if_fu_controls_v2);
|
|
|
|
for (i = 0; i < (ch + 1); i++) {
|
|
ti = proto_tree_add_bitmask(bitmap_tree, tvb, offset, hf_ac_if_fu_control_v2, ett_ac_if_fu_control_v2, v2_fu_controls, ENC_LITTLE_ENDIAN);
|
|
proto_item_prepend_text(ti, "%s channel %d ", (i == 0) ? "Master" : "Logical", i);
|
|
offset += 4;
|
|
}
|
|
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_fu_ifeature, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint dissect_ac_if_selector_unit(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_, proto_tree *tree, usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
audio_conv_info_t *audio_conv_info;
|
|
gint offset_start;
|
|
guint32 nrinpins,i;
|
|
guint32 source_id;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
static int * const controls[] = {
|
|
&hf_ac_if_su_controls_d0,
|
|
&hf_ac_if_su_controls_rsv,
|
|
NULL
|
|
};
|
|
|
|
/* the caller has already checked that usb_conv_info!=NULL */
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if (!audio_conv_info)
|
|
return 0;
|
|
|
|
/* do not try to dissect unknown versions */
|
|
if (!((audio_conv_info->audio_ver_major==1) || (audio_conv_info->audio_ver_major==2)))
|
|
return 0;
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_su_unitid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item_ret_uint(tree, hf_ac_if_su_nrinpins, tvb, offset, 1, ENC_LITTLE_ENDIAN, &nrinpins);
|
|
offset += 1;
|
|
|
|
ti = proto_tree_add_bytes_format_value(tree, hf_ac_if_su_sourceids, tvb, offset, nrinpins, NULL, "%s", "");
|
|
subtree = proto_item_add_subtree(ti, ett_ac_if_su_sourceids);
|
|
|
|
for (i = 0; i < nrinpins; ++i) {
|
|
proto_tree_add_item_ret_uint(subtree, hf_ac_if_su_sourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN, &source_id);
|
|
offset += 1;
|
|
proto_item_append_text(ti, "%s%d", (i > 0) ? ", " : "", source_id);
|
|
}
|
|
|
|
if (audio_conv_info->audio_ver_major==2) {
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_su_controls, ett_ac_if_su_controls, controls, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_su_iselector, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset - offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ac_if_mixed_unit(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
gint offset_start;
|
|
guint8 nrinpins;
|
|
|
|
static int * const mu_channelconfig[] = {
|
|
&hf_ac_if_mu_channelconfig_d0,
|
|
&hf_ac_if_mu_channelconfig_d1,
|
|
&hf_ac_if_mu_channelconfig_d2,
|
|
&hf_ac_if_mu_channelconfig_d3,
|
|
&hf_ac_if_mu_channelconfig_d4,
|
|
&hf_ac_if_mu_channelconfig_d5,
|
|
&hf_ac_if_mu_channelconfig_d6,
|
|
&hf_ac_if_mu_channelconfig_d7,
|
|
&hf_ac_if_mu_channelconfig_d8,
|
|
&hf_ac_if_mu_channelconfig_d9,
|
|
&hf_ac_if_mu_channelconfig_d10,
|
|
&hf_ac_if_mu_channelconfig_d11,
|
|
&hf_ac_if_mu_channelconfig_rsv,
|
|
NULL
|
|
};
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_mu_unitid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_mu_nrinpins, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
nrinpins = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
while(nrinpins){
|
|
proto_tree_add_item(tree, hf_ac_if_mu_sourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
nrinpins--;
|
|
offset += 1;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_mu_nrchannels, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_mu_channelconfig, ett_ac_if_mu_channelconfig, mu_channelconfig, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_mu_channelnames, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_mu_controls, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_mu_imixer, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ac_if_clock_source(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
gint offset_start;
|
|
static int * const cs_attributes[] = {
|
|
&hf_ac_if_clksrc_attr_type,
|
|
&hf_ac_if_clksrc_attr_d2,
|
|
&hf_ac_if_clksrc_attr_rsv,
|
|
NULL
|
|
};
|
|
static int * const cs_controls[] = {
|
|
&hf_ac_if_clksrc_controls_freq,
|
|
&hf_ac_if_clksrc_controls_validity,
|
|
&hf_ac_if_clksrc_controls_rsv,
|
|
NULL
|
|
};
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_clksrc_id, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_clksrc_attr, ett_ac_if_clksrc_attr, cs_attributes, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_clksrc_controls, ett_ac_if_clksrc_controls, cs_controls, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_clksrc_assocterminal, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_clksrc_clocksource, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ac_if_clock_selector(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
gint offset_start;
|
|
guint8 nrinpins;
|
|
static int * const cs_controls[] = {
|
|
&hf_ac_if_clksel_controls_clksel,
|
|
&hf_ac_if_clksel_controls_rsv,
|
|
NULL
|
|
};
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_clksel_id, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_clksel_nrpins, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
nrinpins = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
while (nrinpins) {
|
|
proto_tree_add_item(tree, hf_ac_if_clksel_sourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
nrinpins--;
|
|
offset += 1;
|
|
}
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_ac_if_clksel_controls, ett_ac_if_clksel_controls, cs_controls, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ac_if_clksel_clockselector, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_as_if_general_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
audio_conv_info_t *audio_conv_info;
|
|
gint offset_start;
|
|
|
|
static int * const v2_controls[] = {
|
|
&hf_as_if_gen_controls_active,
|
|
&hf_as_if_gen_controls_valid,
|
|
&hf_as_if_gen_controls_rsv,
|
|
NULL
|
|
};
|
|
|
|
static int * const v2_formats_type_i[] = {
|
|
&hf_as_if_gen_formats_i_d0,
|
|
&hf_as_if_gen_formats_i_d1,
|
|
&hf_as_if_gen_formats_i_d2,
|
|
&hf_as_if_gen_formats_i_d3,
|
|
&hf_as_if_gen_formats_i_d4,
|
|
&hf_as_if_gen_formats_i_rsv,
|
|
&hf_as_if_gen_formats_i_d31,
|
|
NULL
|
|
};
|
|
|
|
static int * const v2_formats_type_ii[] = {
|
|
&hf_as_if_gen_formats_ii_d0,
|
|
&hf_as_if_gen_formats_ii_d1,
|
|
&hf_as_if_gen_formats_ii_d2,
|
|
&hf_as_if_gen_formats_ii_d3,
|
|
&hf_as_if_gen_formats_ii_rsv,
|
|
&hf_as_if_gen_formats_ii_d31,
|
|
NULL
|
|
};
|
|
|
|
static int * const v2_formats_type_iii[] = {
|
|
&hf_as_if_gen_formats_iii_d0,
|
|
&hf_as_if_gen_formats_iii_d1,
|
|
&hf_as_if_gen_formats_iii_d2,
|
|
&hf_as_if_gen_formats_iii_d3,
|
|
&hf_as_if_gen_formats_iii_d4,
|
|
&hf_as_if_gen_formats_iii_d5,
|
|
&hf_as_if_gen_formats_iii_d6,
|
|
&hf_as_if_gen_formats_iii_d7,
|
|
&hf_as_if_gen_formats_iii_d8,
|
|
&hf_as_if_gen_formats_iii_d9,
|
|
&hf_as_if_gen_formats_iii_d10,
|
|
&hf_as_if_gen_formats_iii_d11,
|
|
&hf_as_if_gen_formats_iii_d12,
|
|
&hf_as_if_gen_formats_iii_rsv,
|
|
NULL
|
|
};
|
|
|
|
static int * const v2_formats_type_iv[] = {
|
|
&hf_as_if_gen_formats_iv_d0,
|
|
&hf_as_if_gen_formats_iv_d1,
|
|
&hf_as_if_gen_formats_iv_d2,
|
|
&hf_as_if_gen_formats_iv_d3,
|
|
&hf_as_if_gen_formats_iv_d4,
|
|
&hf_as_if_gen_formats_iv_d5,
|
|
&hf_as_if_gen_formats_iv_d6,
|
|
&hf_as_if_gen_formats_iv_d7,
|
|
&hf_as_if_gen_formats_iv_d8,
|
|
&hf_as_if_gen_formats_iv_d9,
|
|
&hf_as_if_gen_formats_iv_d10,
|
|
&hf_as_if_gen_formats_iv_d11,
|
|
&hf_as_if_gen_formats_iv_d12,
|
|
&hf_as_if_gen_formats_iv_d13,
|
|
&hf_as_if_gen_formats_iv_d14,
|
|
&hf_as_if_gen_formats_iv_d15,
|
|
&hf_as_if_gen_formats_iv_d16,
|
|
&hf_as_if_gen_formats_iv_d17,
|
|
&hf_as_if_gen_formats_iv_d18,
|
|
&hf_as_if_gen_formats_iv_d19,
|
|
&hf_as_if_gen_formats_iv_d20,
|
|
&hf_as_if_gen_formats_iv_d21,
|
|
&hf_as_if_gen_formats_iv_rsv,
|
|
NULL
|
|
};
|
|
|
|
static int * const v2_channels[] = {
|
|
&hf_as_if_gen_bmchannelconfig_d0,
|
|
&hf_as_if_gen_bmchannelconfig_d1,
|
|
&hf_as_if_gen_bmchannelconfig_d2,
|
|
&hf_as_if_gen_bmchannelconfig_d3,
|
|
&hf_as_if_gen_bmchannelconfig_d4,
|
|
&hf_as_if_gen_bmchannelconfig_d5,
|
|
&hf_as_if_gen_bmchannelconfig_d6,
|
|
&hf_as_if_gen_bmchannelconfig_d7,
|
|
&hf_as_if_gen_bmchannelconfig_d8,
|
|
&hf_as_if_gen_bmchannelconfig_d9,
|
|
&hf_as_if_gen_bmchannelconfig_d10,
|
|
&hf_as_if_gen_bmchannelconfig_d11,
|
|
&hf_as_if_gen_bmchannelconfig_d12,
|
|
&hf_as_if_gen_bmchannelconfig_d13,
|
|
&hf_as_if_gen_bmchannelconfig_d14,
|
|
&hf_as_if_gen_bmchannelconfig_d15,
|
|
&hf_as_if_gen_bmchannelconfig_d16,
|
|
&hf_as_if_gen_bmchannelconfig_d17,
|
|
&hf_as_if_gen_bmchannelconfig_d18,
|
|
&hf_as_if_gen_bmchannelconfig_d19,
|
|
&hf_as_if_gen_bmchannelconfig_d20,
|
|
&hf_as_if_gen_bmchannelconfig_d21,
|
|
&hf_as_if_gen_bmchannelconfig_d22,
|
|
&hf_as_if_gen_bmchannelconfig_d23,
|
|
&hf_as_if_gen_bmchannelconfig_d24,
|
|
&hf_as_if_gen_bmchannelconfig_d25,
|
|
&hf_as_if_gen_bmchannelconfig_d26,
|
|
&hf_as_if_gen_bmchannelconfig_rsv,
|
|
&hf_as_if_gen_bmchannelconfig_d31,
|
|
NULL
|
|
};
|
|
|
|
/* the caller has already checked that usb_conv_info!=NULL */
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if (!audio_conv_info)
|
|
return 0;
|
|
|
|
offset_start = offset;
|
|
|
|
if (audio_conv_info->audio_ver_major==1) {
|
|
proto_tree_add_item(tree, hf_as_if_gen_term_link, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_as_if_gen_delay, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_as_if_gen_wformattag, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
} else if (audio_conv_info->audio_ver_major==2) {
|
|
guint8 format_type;
|
|
int * const *formats_bitmask;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_gen_term_link, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_as_if_gen_controls, ett_as_if_gen_controls, v2_controls, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_as_if_gen_formattype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
format_type = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
switch(format_type)
|
|
{
|
|
case 1:
|
|
formats_bitmask = v2_formats_type_i;
|
|
break;
|
|
case 2:
|
|
formats_bitmask = v2_formats_type_ii;
|
|
break;
|
|
case 3:
|
|
formats_bitmask = v2_formats_type_iii;
|
|
break;
|
|
case 4:
|
|
formats_bitmask = v2_formats_type_iv;
|
|
break;
|
|
default:
|
|
formats_bitmask = NULL;
|
|
break;
|
|
}
|
|
if (formats_bitmask) {
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_as_if_gen_formats, ett_as_if_gen_formats, formats_bitmask, ENC_LITTLE_ENDIAN);
|
|
} else {
|
|
proto_tree_add_item(tree, hf_as_if_gen_formats, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
}
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_as_if_gen_nrchannels, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_as_if_gen_bmchannelconfig, ett_as_if_gen_bmchannelconfig, v2_channels, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_as_if_gen_channelnames, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
}
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_as_if_format_type_ver1_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, audio_conv_info_t *audio_conv_info _U_)
|
|
{
|
|
gint offset_start;
|
|
guint8 SamFreqType;
|
|
guint8 format_type;
|
|
guint32 nrchannels;
|
|
guint32 subframesize;
|
|
guint32 bitresolution;
|
|
proto_item *desc_tree_item;
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_formattype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
format_type = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
|
|
switch(format_type){
|
|
case 1:
|
|
proto_tree_add_item(tree, hf_as_if_ft_nrchannels, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_subframesize, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_bitresolution, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_samfreqtype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
SamFreqType = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
if(SamFreqType == 0){
|
|
proto_tree_add_item(tree, hf_as_if_ft_lowersamfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_as_if_ft_uppersamfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
}else {
|
|
while(SamFreqType){
|
|
proto_tree_add_item(tree, hf_as_if_ft_samfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
SamFreqType--;
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
proto_tree_add_item(tree, hf_as_if_ft_maxbitrate, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_samplesperframe, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_samfreqtype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
SamFreqType = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
if(SamFreqType == 0){
|
|
proto_tree_add_item(tree, hf_as_if_ft_lowersamfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_as_if_ft_uppersamfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
}else {
|
|
while(SamFreqType){
|
|
proto_tree_add_item(tree, hf_as_if_ft_samfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
SamFreqType--;
|
|
}
|
|
}
|
|
break;
|
|
case 3:
|
|
desc_tree_item = proto_tree_add_item_ret_uint(tree, hf_as_if_ft_nrchannels, tvb, offset, 1, ENC_LITTLE_ENDIAN, &nrchannels);
|
|
offset += 1;
|
|
|
|
if(nrchannels != 2){
|
|
expert_add_info(pinfo, desc_tree_item, &ei_usb_audio_invalid_type_3_ft_nrchannels);
|
|
}
|
|
|
|
desc_tree_item = proto_tree_add_item_ret_uint(tree, hf_as_if_ft_subframesize, tvb, offset, 1, ENC_LITTLE_ENDIAN, &subframesize);
|
|
offset += 1;
|
|
|
|
if(subframesize != 2){
|
|
expert_add_info(pinfo, desc_tree_item, &ei_usb_audio_invalid_type_3_ft_subframesize);
|
|
}
|
|
|
|
desc_tree_item = proto_tree_add_item_ret_uint(tree, hf_as_if_ft_bitresolution, tvb, offset, 1, ENC_LITTLE_ENDIAN, &bitresolution);
|
|
offset += 1;
|
|
|
|
if(bitresolution != 16){
|
|
expert_add_info(pinfo, desc_tree_item, &ei_usb_audio_invalid_type_3_ft_bitresolution);
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_samfreqtype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
SamFreqType = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
if(SamFreqType == 0){
|
|
proto_tree_add_item(tree, hf_as_if_ft_lowersamfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_as_if_ft_uppersamfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
}else {
|
|
while(SamFreqType){
|
|
proto_tree_add_item(tree, hf_as_if_ft_samfreq, tvb, offset, 3, ENC_LITTLE_ENDIAN);
|
|
offset += 3;
|
|
SamFreqType--;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_as_if_format_type_ver2_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, audio_conv_info_t *audio_conv_info _U_)
|
|
{
|
|
gint offset_start;
|
|
guint8 format_type;
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_formattype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
format_type = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
if (format_type==1) {
|
|
proto_tree_add_item(tree, hf_as_if_ft_subslotsize, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_as_if_ft_bitresolution, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
}
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_as_if_format_type_body(tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
audio_conv_info_t *audio_conv_info;
|
|
|
|
/* the caller has already checked that usb_conv_info!=NULL */
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if (!audio_conv_info)
|
|
return 0;
|
|
|
|
if (audio_conv_info->audio_ver_major==1) {
|
|
return dissect_as_if_format_type_ver1_body(tvb, offset, pinfo, tree, audio_conv_info);
|
|
} else if (audio_conv_info->audio_ver_major==2) {
|
|
return dissect_as_if_format_type_ver2_body(tvb, offset, pinfo, tree, audio_conv_info);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static gint
|
|
dissect_as_ep_general_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
audio_conv_info_t *audio_conv_info;
|
|
gint offset_start = offset;
|
|
|
|
static int * const v1_attributes[] = {
|
|
&hf_as_ep_gen_bmattributes_d0,
|
|
&hf_as_ep_gen_bmattributes_d1,
|
|
&hf_as_ep_gen_bmattributes_rsv,
|
|
&hf_as_ep_gen_bmattributes_d7,
|
|
NULL
|
|
};
|
|
static int * const v2_attributes[] = {
|
|
&hf_as_ep_gen_bmattributes_d7,
|
|
NULL
|
|
};
|
|
static int * const controls[] = {
|
|
&hf_as_ep_gen_controls_pitch,
|
|
&hf_as_ep_gen_controls_data_overrun,
|
|
&hf_as_ep_gen_controls_data_underrun,
|
|
&hf_as_ep_gen_controls_rsv,
|
|
NULL
|
|
};
|
|
|
|
/* the caller has already checked that usb_conv_info!=NULL */
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if (!audio_conv_info)
|
|
return 0;
|
|
|
|
/* do not try to dissect unknown versions */
|
|
if (!((audio_conv_info->audio_ver_major==1) || (audio_conv_info->audio_ver_major==2)))
|
|
return 0;
|
|
|
|
if (audio_conv_info->audio_ver_major==1) {
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_as_ep_gen_bmattributes, ett_as_ep_gen_attributes, v1_attributes, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
} else if (audio_conv_info->audio_ver_major==2) {
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_as_ep_gen_bmattributes, ett_as_ep_gen_attributes, v2_attributes, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_as_ep_gen_controls, ett_as_ep_gen_controls, controls, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_as_ep_gen_lockdelayunits, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_as_ep_gen_lockdelay, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ms_if_hdr_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
gint offset_start;
|
|
guint16 bcdADC;
|
|
guint8 ver_major;
|
|
double ver;
|
|
audio_conv_info_t *audio_conv_info;
|
|
|
|
offset_start = offset;
|
|
|
|
bcdADC = tvb_get_letohs(tvb, offset);
|
|
ver_major = USB_AUDIO_BCD44_TO_DEC(bcdADC>>8);
|
|
ver = ver_major + USB_AUDIO_BCD44_TO_DEC(bcdADC&0xFF) / 100.0;
|
|
|
|
proto_tree_add_double_format_value(tree, hf_ms_if_hdr_ver,
|
|
tvb, offset, 2, ver, "%2.2f", ver);
|
|
audio_conv_info = (audio_conv_info_t *)usb_conv_info->class_data;
|
|
if(!audio_conv_info) {
|
|
audio_conv_info = allocate_audio_conv_info();
|
|
usb_conv_info->class_data = audio_conv_info;
|
|
usb_conv_info->class_data_type = USB_CONV_AUDIO;
|
|
} else if (usb_conv_info->class_data_type != USB_CONV_AUDIO) {
|
|
/* Don't dissect if another USB type is in the conversation */
|
|
return 0;
|
|
}
|
|
audio_conv_info->midi_ver_major = ver_major;
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_ms_if_hdr_total_len,
|
|
tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ms_if_midi_in_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
gint offset_start = offset;
|
|
|
|
proto_tree_add_item(tree, hf_ms_if_midi_in_bjacktype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_ms_if_midi_in_bjackid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_ms_if_midi_in_ijack, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ms_if_midi_out_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
gint offset_start = offset;
|
|
guint8 nrinputpins;
|
|
|
|
proto_tree_add_item(tree, hf_ms_if_midi_out_bjacktype, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_ms_if_midi_out_bjackid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_ms_if_midi_out_bnrinputpins, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
nrinputpins = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
while (nrinputpins)
|
|
{
|
|
proto_tree_add_item(tree, hf_ms_if_midi_out_basourceid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_ms_if_midi_out_basourcepin, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
nrinputpins--;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_ms_if_midi_out_ijack, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_ms_ep_general_body(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree, usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
gint offset_start = offset;
|
|
guint8 numjacks;
|
|
|
|
proto_tree_add_item(tree, hf_ms_ep_gen_numjacks, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
numjacks = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
while (numjacks)
|
|
{
|
|
proto_tree_add_item(tree, hf_ms_ep_gen_baassocjackid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
numjacks--;
|
|
}
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
static gint
|
|
dissect_usb_audio_descriptor(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, void *data)
|
|
{
|
|
gint offset = 0;
|
|
gint bytes_dissected = 0;
|
|
usb_conv_info_t *usb_conv_info;
|
|
proto_tree *desc_tree = NULL;
|
|
proto_item *desc_tree_item;
|
|
guint8 desc_len;
|
|
guint8 desc_type;
|
|
guint8 desc_subtype;
|
|
const gchar *subtype_str;
|
|
|
|
usb_conv_info = (usb_conv_info_t *)data;
|
|
if (!usb_conv_info || usb_conv_info->interfaceClass!=IF_CLASS_AUDIO)
|
|
return 0;
|
|
|
|
desc_len = tvb_get_guint8(tvb, offset);
|
|
desc_type = tvb_get_guint8(tvb, offset+1);
|
|
|
|
if (desc_type==CS_INTERFACE &&
|
|
usb_conv_info->interfaceSubclass==AUDIO_IF_SUBCLASS_AUDIOCONTROL) {
|
|
|
|
desc_tree = proto_tree_add_subtree(tree, tvb, offset, desc_len,
|
|
ett_usb_audio_desc, &desc_tree_item,
|
|
"Class-specific Audio Control Interface Descriptor");
|
|
|
|
dissect_usb_descriptor_header(desc_tree, tvb, offset,
|
|
&aud_descriptor_type_vals_ext);
|
|
offset += 2;
|
|
|
|
desc_subtype = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(desc_tree, hf_ac_if_desc_subtype,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
subtype_str = try_val_to_str_ext(desc_subtype, &ac_subtype_vals_ext);
|
|
if (subtype_str)
|
|
proto_item_append_text(desc_tree_item, ": %s", subtype_str);
|
|
offset++;
|
|
|
|
bytes_dissected = offset;
|
|
switch(desc_subtype) {
|
|
case AC_SUBTYPE_HEADER:
|
|
/* these subfunctions return the number of bytes dissected,
|
|
this is not necessarily the length of the body
|
|
as some components are not yet dissected
|
|
we rely on the descriptor's length byte instead */
|
|
bytes_dissected += dissect_ac_if_hdr_body(tvb, offset, pinfo, desc_tree, usb_conv_info);
|
|
break;
|
|
case AC_SUBTYPE_INPUT_TERMINAL:
|
|
bytes_dissected += dissect_ac_if_input_terminal(tvb, offset, pinfo, desc_tree, usb_conv_info);
|
|
break;
|
|
case AC_SUBTYPE_OUTPUT_TERMINAL:
|
|
bytes_dissected += dissect_ac_if_output_terminal(tvb, offset, pinfo, desc_tree, usb_conv_info);
|
|
break;
|
|
case AC_SUBTYPE_MIXER_UNIT:
|
|
bytes_dissected += dissect_ac_if_mixed_unit(tvb, offset, pinfo, desc_tree, usb_conv_info);
|
|
break;
|
|
case AC_SUBTYPE_SELECTOR_UNIT:
|
|
bytes_dissected += dissect_ac_if_selector_unit(tvb, offset, pinfo, desc_tree, usb_conv_info);
|
|
break;
|
|
case AC_SUBTYPE_FEATURE_UNIT:
|
|
bytes_dissected += dissect_ac_if_feature_unit(tvb, offset, pinfo, desc_tree, usb_conv_info, desc_len);
|
|
break;
|
|
case AC_SUBTYPE_CLOCK_SOURCE:
|
|
bytes_dissected += dissect_ac_if_clock_source(tvb, offset, pinfo, desc_tree, usb_conv_info);
|
|
break;
|
|
case AC_SUBTYPE_CLOCK_SELECTOR:
|
|
bytes_dissected += dissect_ac_if_clock_selector(tvb, offset, pinfo, desc_tree, usb_conv_info);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (desc_type==CS_INTERFACE &&
|
|
usb_conv_info->interfaceSubclass==AUDIO_IF_SUBCLASS_AUDIOSTREAMING) {
|
|
|
|
desc_tree = proto_tree_add_subtree(tree, tvb, offset, desc_len,
|
|
ett_usb_audio_desc, &desc_tree_item,
|
|
"Class-specific Audio Streaming Interface Descriptor");
|
|
|
|
dissect_usb_descriptor_header(desc_tree, tvb, offset,
|
|
&aud_descriptor_type_vals_ext);
|
|
offset += 2;
|
|
|
|
desc_subtype = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(desc_tree, hf_as_if_desc_subtype,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
subtype_str = try_val_to_str_ext(desc_subtype, &as_subtype_vals_ext);
|
|
if (subtype_str)
|
|
proto_item_append_text(desc_tree_item, ": %s", subtype_str);
|
|
offset++;
|
|
|
|
bytes_dissected = offset;
|
|
switch(desc_subtype) {
|
|
case AS_SUBTYPE_GENERAL:
|
|
bytes_dissected += dissect_as_if_general_body(tvb, offset, pinfo,
|
|
desc_tree, usb_conv_info);
|
|
break;
|
|
case AS_SUBTYPE_FORMAT_TYPE:
|
|
bytes_dissected += dissect_as_if_format_type_body(tvb, offset, pinfo,
|
|
desc_tree, usb_conv_info);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
/* there are no class-specific endpoint descriptors for audio control */
|
|
else if (desc_type == CS_ENDPOINT &&
|
|
usb_conv_info->interfaceSubclass==AUDIO_IF_SUBCLASS_AUDIOSTREAMING) {
|
|
|
|
desc_tree = proto_tree_add_subtree(tree, tvb, offset, desc_len,
|
|
ett_usb_audio_desc, &desc_tree_item,
|
|
"Class-specific Audio Streaming Endpoint Descriptor");
|
|
|
|
dissect_usb_descriptor_header(desc_tree, tvb, offset,
|
|
&aud_descriptor_type_vals_ext);
|
|
offset += 2;
|
|
|
|
desc_subtype = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(desc_tree, hf_as_ep_desc_subtype,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
|
|
bytes_dissected = offset;
|
|
switch(desc_subtype) {
|
|
case AS_EP_SUBTYPE_GENERAL:
|
|
bytes_dissected += dissect_as_ep_general_body(tvb, offset, pinfo,
|
|
desc_tree, usb_conv_info);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (desc_type==CS_INTERFACE &&
|
|
usb_conv_info->interfaceSubclass==AUDIO_IF_SUBCLASS_MIDISTREAMING) {
|
|
desc_tree = proto_tree_add_subtree(tree, tvb, offset, desc_len,
|
|
ett_usb_audio_desc, &desc_tree_item,
|
|
"Class-specific MIDI Streaming Interface Descriptor");
|
|
|
|
dissect_usb_descriptor_header(desc_tree, tvb, offset,
|
|
&aud_descriptor_type_vals_ext);
|
|
offset += 2;
|
|
|
|
desc_subtype = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(desc_tree, hf_ms_if_desc_subtype,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
subtype_str = try_val_to_str_ext(desc_subtype, &ms_if_subtype_vals_ext);
|
|
if (subtype_str)
|
|
proto_item_append_text(desc_tree_item, ": %s", subtype_str);
|
|
offset++;
|
|
|
|
bytes_dissected = offset;
|
|
switch(desc_subtype) {
|
|
case MS_IF_SUBTYPE_HEADER:
|
|
bytes_dissected += dissect_ms_if_hdr_body(tvb, offset, pinfo,
|
|
desc_tree, usb_conv_info);
|
|
break;
|
|
case MS_IF_SUBTYPE_MIDI_IN_JACK:
|
|
bytes_dissected += dissect_ms_if_midi_in_body(tvb, offset, pinfo,
|
|
desc_tree, usb_conv_info);
|
|
break;
|
|
case MS_IF_SUBTYPE_MIDI_OUT_JACK:
|
|
bytes_dissected += dissect_ms_if_midi_out_body(tvb, offset, pinfo,
|
|
desc_tree, usb_conv_info);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (desc_type==CS_ENDPOINT &&
|
|
usb_conv_info->interfaceSubclass==AUDIO_IF_SUBCLASS_MIDISTREAMING) {
|
|
desc_tree = proto_tree_add_subtree(tree, tvb, offset, desc_len,
|
|
ett_usb_audio_desc, &desc_tree_item,
|
|
"Class-specific MIDI Streaming Endpoint Descriptor");
|
|
|
|
dissect_usb_descriptor_header(desc_tree, tvb, offset,
|
|
&aud_descriptor_type_vals_ext);
|
|
offset += 2;
|
|
|
|
desc_subtype = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(desc_tree, hf_ms_ep_desc_subtype,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
|
|
bytes_dissected = offset;
|
|
switch(desc_subtype) {
|
|
case MS_EP_SUBTYPE_GENERAL:
|
|
bytes_dissected += dissect_ms_ep_general_body(tvb, offset, pinfo,
|
|
desc_tree, usb_conv_info);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
return 0;
|
|
|
|
if (bytes_dissected < desc_len) {
|
|
proto_tree_add_expert(desc_tree, pinfo, &ei_usb_audio_undecoded, tvb, bytes_dissected, desc_len-bytes_dissected);
|
|
}
|
|
return desc_len;
|
|
}
|
|
|
|
|
|
/* dissector for usb midi bulk data */
|
|
static int
|
|
dissect_usb_audio_bulk(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data)
|
|
{
|
|
usb_conv_info_t *usb_conv_info;
|
|
gint offset, length;
|
|
gint i;
|
|
|
|
/* Reject the packet if data is NULL */
|
|
if (data == NULL)
|
|
return 0;
|
|
usb_conv_info = (usb_conv_info_t *)data;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "USBAUDIO");
|
|
|
|
length = tvb_reported_length(tvb);
|
|
offset = 0;
|
|
|
|
switch (usb_conv_info->interfaceSubclass)
|
|
{
|
|
case AUDIO_IF_SUBCLASS_MIDISTREAMING:
|
|
col_set_str(pinfo->cinfo, COL_INFO, "USB-MIDI Event Packets");
|
|
|
|
for (i = 0; i < length / 4; i++)
|
|
{
|
|
dissect_usb_midi_event(tvb, pinfo, parent_tree, offset);
|
|
offset += 4;
|
|
}
|
|
break;
|
|
default:
|
|
proto_tree_add_expert(parent_tree, pinfo, &ei_usb_audio_undecoded, tvb, offset, length);
|
|
}
|
|
|
|
return length;
|
|
}
|
|
|
|
void
|
|
proto_register_usb_audio(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_midi_cable_number,
|
|
{ "Cable Number", "usbaudio.midi.cable_number", FT_UINT8, BASE_HEX,
|
|
NULL, 0xF0, NULL, HFILL }},
|
|
{ &hf_midi_code_index,
|
|
{ "Code Index", "usbaudio.midi.code_index", FT_UINT8, BASE_HEX,
|
|
VALS(code_index_vals), 0x0F, NULL, HFILL }},
|
|
{ &hf_midi_event,
|
|
{ "MIDI Event", "usbaudio.midi.event", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_midi_padding,
|
|
{ "Padding", "usbaudio.midi.padding", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, "Must be zero", HFILL }},
|
|
|
|
{ &hf_ac_if_desc_subtype,
|
|
{ "Subtype", "usbaudio.ac_if_subtype", FT_UINT8, BASE_HEX|BASE_EXT_STRING,
|
|
&ac_subtype_vals_ext, 0x0, "bDescriptorSubtype", HFILL }},
|
|
{ &hf_ac_if_hdr_ver,
|
|
{ "Version", "usbaudio.ac_if_hdr.bcdADC",
|
|
FT_DOUBLE, BASE_NONE, NULL, 0, "bcdADC", HFILL }},
|
|
{ &hf_ac_if_hdr_total_len,
|
|
{ "Total length", "usbaudio.ac_if_hdr.wTotalLength",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, "wTotalLength", HFILL }},
|
|
{ &hf_ac_if_hdr_bInCollection,
|
|
{ "Total number of interfaces", "usbaudio.ac_if_hdr.bInCollection",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bInCollection", HFILL }},
|
|
{ &hf_ac_if_hdr_if_num,
|
|
{ "Interface number", "usbaudio.ac_if_hdr.baInterfaceNr",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "baInterfaceNr", HFILL }},
|
|
{ &hf_ac_if_hdr_category,
|
|
{ "Category", "usbaudio.ac_if_hdr.bCategory",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &audio_function_categories_vals_ext, 0x00, "bCategory", HFILL }},
|
|
{ &hf_ac_if_hdr_controls,
|
|
{ "Controls", "usbaudio.ac_if_hdr.bmControls",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmControls", HFILL }},
|
|
{ &hf_ac_if_hdr_controls_latency,
|
|
{ "Latency Control", "usbaudio.ac_if_hdr.bmControls.latency",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x03, NULL, HFILL }},
|
|
{ &hf_ac_if_hdr_controls_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_hdr.bmControls.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xFC, "Must be zero", HFILL }},
|
|
{ &hf_ac_if_input_terminalid,
|
|
{ "Terminal ID", "usbaudio.ac_if_input.bTerminalID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bTerminalID", HFILL }},
|
|
{ &hf_ac_if_input_terminaltype,
|
|
{ "Terminal Type", "usbaudio.ac_if_input.wTerminalType", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &terminal_types_vals_ext, 0x00, "wTerminalType", HFILL }},
|
|
{ &hf_ac_if_input_assocterminal,
|
|
{ "Assoc Terminal", "usbaudio.ac_if_input.bAssocTerminal",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bAssocTerminal", HFILL }},
|
|
{ &hf_ac_if_input_csourceid,
|
|
{ "Connected Clock Entity", "usbaudio.ac_if_input.bCSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bCSourceID", HFILL }},
|
|
{ &hf_ac_if_input_nrchannels,
|
|
{ "Number Channels", "usbaudio.ac_if_input.bNrChannels",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bNrChannels", HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig,
|
|
{ "Channel Config", "usbaudio.ac_if_input.wChannelConfig",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0, "wChannelConfig", HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d0,
|
|
{ "Left Front", "usbaudio.ac_if_input.wChannelConfig.d0",
|
|
FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d1,
|
|
{ "Right Front", "usbaudio.ac_if_input.wChannelConfig.d1",
|
|
FT_BOOLEAN, 16, NULL, 0x0002, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d2,
|
|
{ "Center Front", "usbaudio.ac_if_input.wChannelConfig.d2",
|
|
FT_BOOLEAN, 16, NULL, 0x0004, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d3,
|
|
{ "Low Frequency Enhancement", "usbaudio.ac_if_input.wChannelConfig.d3",
|
|
FT_BOOLEAN, 16, NULL, 0x0008, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d4,
|
|
{ "Left Surround", "usbaudio.ac_if_input.wChannelConfig.d4",
|
|
FT_BOOLEAN, 16, NULL, 0x0010, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d5,
|
|
{ "Right Surround", "usbaudio.ac_if_input.wChannelConfig.d5",
|
|
FT_BOOLEAN, 16, NULL, 0x0020, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d6,
|
|
{ "Left of Center", "usbaudio.ac_if_input.wChannelConfig.d6",
|
|
FT_BOOLEAN, 16, NULL, 0x0040, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d7,
|
|
{ "Right of Center", "usbaudio.ac_if_input.wChannelConfig.d7",
|
|
FT_BOOLEAN, 16, NULL, 0x0080, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d8,
|
|
{ "Surround", "usbaudio.ac_if_input.wChannelConfig.d8",
|
|
FT_BOOLEAN, 16, NULL, 0x0100, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d9,
|
|
{ "Side Left", "usbaudio.ac_if_input.wChannelConfig.d9",
|
|
FT_BOOLEAN, 16, NULL, 0x0200, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d10,
|
|
{ "Side Right", "usbaudio.ac_if_input.wChannelConfig.d10",
|
|
FT_BOOLEAN, 16, NULL, 0x0400, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_d11,
|
|
{ "Top", "usbaudio.ac_if_input.wChannelConfig.d11",
|
|
FT_BOOLEAN, 16, NULL, 0x0800, NULL, HFILL }},
|
|
{ &hf_ac_if_input_wchannelconfig_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_input.wChannelConfig.rsv",
|
|
FT_UINT16, BASE_HEX, NULL, 0xF000, NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig,
|
|
{ "Channel Config", "usbaudio.ac_if_input.bmChannelConfig",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0, "bmChannelConfig", HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d0,
|
|
{ "Front Left", "usbaudio.ac_if_input.bmChannelConfig.d0",
|
|
FT_BOOLEAN, 32, NULL, (1u << 0), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d1,
|
|
{ "Front Right", "usbaudio.ac_if_input.bmChannelConfig.d1",
|
|
FT_BOOLEAN, 32, NULL, (1u << 1), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d2,
|
|
{ "Front Center", "usbaudio.ac_if_input.bmChannelConfig.d2",
|
|
FT_BOOLEAN, 32, NULL, (1u << 2), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d3,
|
|
{ "Low Frequency Effects", "usbaudio.ac_if_input.bmChannelConfig.d3",
|
|
FT_BOOLEAN, 32, NULL, (1u << 3), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d4,
|
|
{ "Back Left", "usbaudio.ac_if_input.bmChannelConfig.d4",
|
|
FT_BOOLEAN, 32, NULL, (1u << 4), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d5,
|
|
{ "Back Right", "usbaudio.ac_if_input.bmChannelConfig.d5",
|
|
FT_BOOLEAN, 32, NULL, (1u << 5), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d6,
|
|
{ "Front Left of Center", "usbaudio.ac_if_input.bmChannelConfig.d6",
|
|
FT_BOOLEAN, 32, NULL, (1u << 6), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d7,
|
|
{ "Front Right of Center", "usbaudio.ac_if_input.bmChannelConfig.d7",
|
|
FT_BOOLEAN, 32, NULL, (1u << 7), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d8,
|
|
{ "Back Center", "usbaudio.ac_if_input.bmChannelConfig.d8",
|
|
FT_BOOLEAN, 32, NULL, (1u << 8), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d9,
|
|
{ "Side Left", "usbaudio.ac_if_input.bmChannelConfig.d9",
|
|
FT_BOOLEAN, 32, NULL, (1u << 9), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d10,
|
|
{ "Side Right", "usbaudio.ac_if_input.bmChannelConfig.d10",
|
|
FT_BOOLEAN, 32, NULL, (1u << 10), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d11,
|
|
{ "Top Center", "usbaudio.ac_if_input.bmChannelConfig.d11",
|
|
FT_BOOLEAN, 32, NULL, (1u << 11), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d12,
|
|
{ "Top Front Left", "usbaudio.ac_if_input.bmChannelConfig.d12",
|
|
FT_BOOLEAN, 32, NULL, (1u << 12), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d13,
|
|
{ "Top Front Center", "usbaudio.ac_if_input.bmChannelConfig.d13",
|
|
FT_BOOLEAN, 32, NULL, (1u << 13), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d14,
|
|
{ "Top Front Right", "usbaudio.ac_if_input.bmChannelConfig.d14",
|
|
FT_BOOLEAN, 32, NULL, (1u << 14), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d15,
|
|
{ "Top Back Left", "usbaudio.ac_if_input.bmChannelConfig.d15",
|
|
FT_BOOLEAN, 32, NULL, (1u << 15), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d16,
|
|
{ "Top Back Center", "usbaudio.ac_if_input.bmChannelConfig.d16",
|
|
FT_BOOLEAN, 32, NULL, (1u << 16), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d17,
|
|
{ "Top Back Right", "usbaudio.ac_if_input.bmChannelConfig.d17",
|
|
FT_BOOLEAN, 32, NULL, (1u << 17), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d18,
|
|
{ "Top Front Left of Center", "usbaudio.ac_if_input.bmChannelConfig.d18",
|
|
FT_BOOLEAN, 32, NULL, (1u << 18), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d19,
|
|
{ "Top Front Right of Center", "usbaudio.ac_if_input.bmChannelConfig.d19",
|
|
FT_BOOLEAN, 32, NULL, (1u << 19), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d20,
|
|
{ "Left Low Frequency Effects", "usbaudio.ac_if_input.bmChannelConfig.d20",
|
|
FT_BOOLEAN, 32, NULL, (1u << 20), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d21,
|
|
{ "Right Low Frequency Effects", "usbaudio.ac_if_input.bmChannelConfig.d21",
|
|
FT_BOOLEAN, 32, NULL, (1u << 21), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d22,
|
|
{ "Top Side Left", "usbaudio.ac_if_input.bmChannelConfig.d22",
|
|
FT_BOOLEAN, 32, NULL, (1u << 22), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d23,
|
|
{ "Top Side Right", "usbaudio.ac_if_input.bmChannelConfig.d23",
|
|
FT_BOOLEAN, 32, NULL, (1u << 23), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d24,
|
|
{ "Bottom Center", "usbaudio.ac_if_input.bmChannelConfig.d24",
|
|
FT_BOOLEAN, 32, NULL, (1u << 24), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d25,
|
|
{ "Back Left of Center", "usbaudio.ac_if_input.bmChannelConfig.d25",
|
|
FT_BOOLEAN, 32, NULL, (1u << 25), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d26,
|
|
{ "Back Right of Center", "usbaudio.ac_if_input.bmChannelConfig.d26",
|
|
FT_BOOLEAN, 32, NULL, (1u << 26), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_input.bmChannelConfig.rsv",
|
|
FT_BOOLEAN, 32, NULL, (0xFu << 27), NULL, HFILL }},
|
|
{ &hf_ac_if_input_bmchannelconfig_d31,
|
|
{ "Raw Data", "usbaudio.ac_if_input.bmChannelConfig.d31",
|
|
FT_BOOLEAN, 32, NULL, (1u << 31), NULL, HFILL }},
|
|
{ &hf_ac_if_input_channelnames,
|
|
{ "Channel Names", "usbaudio.ac_if_input.iChannelNames",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iChannelNames", HFILL }},
|
|
{ &hf_ac_if_input_controls,
|
|
{ "Controls", "usbaudio.ac_if_input.bmControls",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0, "bmControls", HFILL }},
|
|
{ &hf_ac_if_input_controls_copy,
|
|
{ "Copy Protect Control", "usbaudio.ac_if_input.bmControls.copy", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0003, NULL, HFILL }},
|
|
{ &hf_ac_if_input_controls_connector,
|
|
{ "Connector Control", "usbaudio.ac_if_input.bmControls.connector", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x000C, NULL, HFILL }},
|
|
{ &hf_ac_if_input_controls_overload,
|
|
{ "Overload Control", "usbaudio.ac_if_input.bmControls.overload", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0030, NULL, HFILL }},
|
|
{ &hf_ac_if_input_controls_cluster,
|
|
{ "Cluster Control", "usbaudio.ac_if_input.bmControls.cluster", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x00C0, NULL, HFILL }},
|
|
{ &hf_ac_if_input_controls_underflow,
|
|
{ "Underflow Control", "usbaudio.ac_if_input.bmControls.underflow", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0300, NULL, HFILL }},
|
|
{ &hf_ac_if_input_controls_overflow,
|
|
{ "Overflow Control", "usbaudio.ac_if_input.bmControls.overflow", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0C00, NULL, HFILL }},
|
|
{ &hf_ac_if_input_controls_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_input.bmControls.rsv",
|
|
FT_UINT16, BASE_HEX, NULL, 0xF000, "Must be zero", HFILL }},
|
|
{ &hf_ac_if_input_terminal,
|
|
{ "String descriptor index", "usbaudio.ac_if_input.iTerminal",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iTerminal", HFILL }},
|
|
{ &hf_ac_if_output_terminalid,
|
|
{ "Terminal ID", "usbaudio.ac_if_output.bTerminalID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bTerminalID", HFILL }},
|
|
{ &hf_ac_if_output_terminaltype,
|
|
{ "Terminal Type", "usbaudio.ac_if_output.wTerminalType", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &terminal_types_vals_ext, 0x00, "wTerminalType", HFILL }},
|
|
{ &hf_ac_if_output_assocterminal,
|
|
{ "Assoc Terminal", "usbaudio.ac_if_output.bAssocTerminal",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bAssocTerminal", HFILL }},
|
|
{ &hf_ac_if_output_sourceid,
|
|
{ "Source ID", "usbaudio.ac_if_output.bSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bSourceID", HFILL }},
|
|
{ &hf_ac_if_output_clk_sourceid,
|
|
{ "Connected Clock Entity", "usbaudio.ac_if_output.bCSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bCSourceID", HFILL }},
|
|
{ &hf_ac_if_output_controls,
|
|
{ "Controls", "usbaudio.ac_if_output.bmControls",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0, "bmControls", HFILL }},
|
|
{ &hf_ac_if_output_controls_copy,
|
|
{ "Copy Protect Control", "usbaudio.ac_if_output.bmControls.copy", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0003, NULL, HFILL }},
|
|
{ &hf_ac_if_output_controls_connector,
|
|
{ "Connector Control", "usbaudio.ac_if_output.bmControls.connector", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x000C, NULL, HFILL }},
|
|
{ &hf_ac_if_output_controls_overload,
|
|
{ "Overload Control", "usbaudio.ac_if_output.bmControls.overload", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0030, NULL, HFILL }},
|
|
{ &hf_ac_if_output_controls_underflow,
|
|
{ "Underflow Control", "usbaudio.ac_if_output.bmControls.underflow", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x00C0, NULL, HFILL }},
|
|
{ &hf_ac_if_output_controls_overflow,
|
|
{ "Overflow Control", "usbaudio.ac_if_output.bmControls.overflow", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0300, NULL, HFILL }},
|
|
{ &hf_ac_if_output_controls_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_output.bmControls.rsv",
|
|
FT_UINT16, BASE_HEX, NULL, 0xFC00, "Must be zero", HFILL }},
|
|
{ &hf_ac_if_output_terminal,
|
|
{ "String descriptor index", "usbaudio.ac_if_output.iTerminal",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iTerminal", HFILL }},
|
|
{ &hf_ac_if_fu_unitid,
|
|
{ "Unit ID", "usbaudio.ac_if_fu.bUnitID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bUnitID", HFILL }},
|
|
{ &hf_ac_if_fu_sourceid,
|
|
{ "Source ID", "usbaudio.ac_if_fu.bSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bSourceID", HFILL }},
|
|
{ &hf_ac_if_fu_controlsize,
|
|
{ "Control Size", "usbaudio.ac_if_fu.bControlSize",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bControlSize", HFILL }},
|
|
{ &hf_ac_if_fu_controls,
|
|
{ "Controls", "usbaudio.ac_if_fu.bmaControls",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0, "bmaControls", HFILL }},
|
|
{ &hf_ac_if_fu_control,
|
|
{ "Control", "usbaudio.ac_if_fu.bmaControl",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmaControls", HFILL }},
|
|
{ &hf_ac_if_fu_controls_d0,
|
|
{ "Mute", "usbaudio.ac_if_fu.bmaControls.d0",
|
|
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d1,
|
|
{ "Volume", "usbaudio.ac_if_fu.bmaControls.d1",
|
|
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d2,
|
|
{ "Bass", "usbaudio.ac_if_fu.bmaControls.d2",
|
|
FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d3,
|
|
{ "Mid", "usbaudio.ac_if_fu.bmaControls.d3",
|
|
FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d4,
|
|
{ "Treble", "usbaudio.ac_if_fu.bmaControls.d4",
|
|
FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d5,
|
|
{ "Graphic Equalizer", "usbaudio.ac_if_fu.bmaControls.d5",
|
|
FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d6,
|
|
{ "Automatic Gain", "usbaudio.ac_if_fu.bmaControls.d6",
|
|
FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d7,
|
|
{ "Delay", "usbaudio.ac_if_fu.bmaControls.d7",
|
|
FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d8,
|
|
{ "Bass Boost", "usbaudio.ac_if_fu.bmaControls.d8",
|
|
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_d9,
|
|
{ "Loudness", "usbaudio.ac_if_fu.bmaControls.d9",
|
|
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_fu.bmaControls.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xFC, "Must be zero", HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2,
|
|
{ "Controls", "usbaudio.ac_if_fu.bmaControls_v2",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0, "bmaControls", HFILL }},
|
|
{ &hf_ac_if_fu_control_v2,
|
|
{ "Control", "usbaudio.ac_if_fu.bmaControl_v2",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0, "bmaControls", HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d0,
|
|
{ "Mute", "usbaudio.ac_if_fu.bmaControls_v2.d0", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 0), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d1,
|
|
{ "Volume", "usbaudio.ac_if_fu.bmaControls_v2.d1", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 2), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d2,
|
|
{ "Bass", "usbaudio.ac_if_fu.bmaControls_v2.d2", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 4), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d3,
|
|
{ "Mid", "usbaudio.ac_if_fu.bmaControls_v2.d3", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 6), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d4,
|
|
{ "Treble", "usbaudio.ac_if_fu.bmaControls_v2.d4", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 8), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d5,
|
|
{ "Graphic Equalizer", "usbaudio.ac_if_fu.bmaControls_v2.d5", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 10), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d6,
|
|
{ "Automatic Gain", "usbaudio.ac_if_fu.bmaControls_v2.d6", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 12), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d7,
|
|
{ "Delay", "usbaudio.ac_if_fu.bmaControl_v2s.d7", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 14), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d8,
|
|
{ "Bass Boost", "usbaudio.ac_if_fu.bmaControls_v2.d8", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 16), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d9,
|
|
{ "Loudness", "usbaudio.ac_if_fu.bmaControls_v2.d9", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 18), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d10,
|
|
{ "Input Gain", "usbaudio.ac_if_fu.bmaControls_v2.d10", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 20), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d11,
|
|
{ "Input Gain Pad", "usbaudio.ac_if_fu.bmaControls_v2.d11", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 22), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d12,
|
|
{ "Phase Inverter", "usbaudio.ac_if_fu.bmaControls_v2.d12", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 24), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d13,
|
|
{ "Underflow", "usbaudio.ac_if_fu.bmaControls_v2.d13", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 26), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_d14,
|
|
{ "Overflow", "usbaudio.ac_if_fu.bmaControls_v2.d14", FT_UINT32,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, (3u << 28), NULL, HFILL }},
|
|
{ &hf_ac_if_fu_controls_v2_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_fu.bmaControls_v2.rsv", FT_UINT32,
|
|
BASE_HEX, NULL, (3u << 30), "Must be zero", HFILL }},
|
|
{ &hf_ac_if_fu_ifeature,
|
|
{ "Feature", "usbaudio.ac_if_fu.iFeature",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iFeature", HFILL }},
|
|
{ &hf_ac_if_su_unitid,
|
|
{ "Unit ID", "usbaudio.ac_if_su.bUnitID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bUnitID", HFILL }},
|
|
{ &hf_ac_if_su_nrinpins,
|
|
{ "Input Pins", "usbaudio.ac_if_su.bNrInPins",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bNrInPins", HFILL }},
|
|
{ &hf_ac_if_su_sourceids,
|
|
{ "Source IDs", "usbaudio.ac_if_su.baSourceIDs",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0, "baSourceIDs", HFILL }},
|
|
{ &hf_ac_if_su_sourceid,
|
|
{ "Source ID", "usbaudio.ac_if_su.baSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "baSourceID", HFILL}},
|
|
{ &hf_ac_if_su_controls,
|
|
{ "Controls", "usbaudio.ac_if_su.bmControls",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmControls", HFILL}},
|
|
{ &hf_ac_if_su_controls_d0,
|
|
{ "Selector Control", "usbaudio.ac_if_su.bmControls.d0",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x03, NULL, HFILL}},
|
|
{ &hf_ac_if_su_controls_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_su.bmControls.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xFC, "Must be zero", HFILL}},
|
|
{ &hf_ac_if_su_iselector,
|
|
{ "Selector Index", "usbaudio.ac_if_su.iSelector",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iSelector", HFILL }},
|
|
{ &hf_ac_if_mu_unitid,
|
|
{ "Unit ID", "usbaudio.ac_if_mu.bUnitID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bUnitID", HFILL }},
|
|
{ &hf_ac_if_mu_nrinpins,
|
|
{ "Number In Pins", "usbaudio.ac_if_mu.bNrInPins",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bNrInPins", HFILL }},
|
|
{ &hf_ac_if_mu_sourceid,
|
|
{ "Source ID", "usbaudio.ac_if_mu.baSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "baSourceID", HFILL }},
|
|
{ &hf_ac_if_mu_nrchannels,
|
|
{ "Number Channels", "usbaudio.ac_if_mu.bNrChannels",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bNrChannels", HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig,
|
|
{ "Channel Config", "usbaudio.ac_if_mu.wChannelConfig",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0, "wChannelConfig", HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d0,
|
|
{ "Left Front", "usbaudio.ac_if_mu.wChannelConfig.d0",
|
|
FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d1,
|
|
{ "Right Front", "usbaudio.ac_if_mu.wChannelConfig.d1",
|
|
FT_BOOLEAN, 16, NULL, 0x0002, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d2,
|
|
{ "Center Front", "usbaudio.ac_if_mu.wChannelConfig.d2",
|
|
FT_BOOLEAN, 16, NULL, 0x0004, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d3,
|
|
{ "Low Frequency Enhancement", "usbaudio.ac_if_mu.wChannelConfig.d3",
|
|
FT_BOOLEAN, 16, NULL, 0x0008, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d4,
|
|
{ "Left Surround", "usbaudio.ac_if_mu.wChannelConfig.d4",
|
|
FT_BOOLEAN, 16, NULL, 0x0010, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d5,
|
|
{ "Right Surround", "usbaudio.ac_if_mu.wChannelConfig.d5",
|
|
FT_BOOLEAN, 16, NULL, 0x0020, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d6,
|
|
{ "Left of Center", "usbaudio.ac_if_mu.wChannelConfig.d6",
|
|
FT_BOOLEAN, 16, NULL, 0x0040, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d7,
|
|
{ "Right of Center", "usbaudio.ac_if_mu.wChannelConfig.d7",
|
|
FT_BOOLEAN, 16, NULL, 0x0080, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d8,
|
|
{ "Surround", "usbaudio.ac_if_mu.wChannelConfig.d8",
|
|
FT_BOOLEAN, 16, NULL, 0x0100, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d9,
|
|
{ "Side Left", "usbaudio.ac_if_mu.wChannelConfig.d9",
|
|
FT_BOOLEAN, 16, NULL, 0x0200, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d10,
|
|
{ "Side Right", "usbaudio.ac_if_mu.wChannelConfig.d10",
|
|
FT_BOOLEAN, 16, NULL, 0x0400, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_d11,
|
|
{ "Top", "usbaudio.ac_if_mu.wChannelConfig.d11",
|
|
FT_BOOLEAN, 16, NULL, 0x0800, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelconfig_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_mu.wChannelConfig.rsv",
|
|
FT_UINT16, BASE_HEX, NULL, 0xF000, NULL, HFILL }},
|
|
{ &hf_ac_if_mu_channelnames,
|
|
{ "Channel Names", "usbaudio.ac_if_mu.iChannelNames",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iChannelNames", HFILL }},
|
|
{ &hf_ac_if_mu_controls,
|
|
{ "Controls", "usbaudio.ac_if_mu.bmControls",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmControls", HFILL }},
|
|
{ &hf_ac_if_mu_imixer,
|
|
{ "Mixer", "usbaudio.ac_if_mu.iMixer",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iMixer", HFILL }},
|
|
{ &hf_ac_if_clksrc_id,
|
|
{ "Clock Source Entity", "usbaudio.ac_if_clksrc.bClockID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bClockID", HFILL }},
|
|
{ &hf_ac_if_clksrc_attr,
|
|
{ "Attributes", "usbaudio.ac_if_clksrc.bmAttributes",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmAttributes", HFILL }},
|
|
{ &hf_ac_if_clksrc_attr_type,
|
|
{ "Type", "usbaudio.ac_if_clksrc.bmAttributes.type", FT_UINT8,
|
|
BASE_HEX, VALS(clock_types_vals), 0x03, NULL, HFILL }},
|
|
{ &hf_ac_if_clksrc_attr_d2,
|
|
{ "Synchronization", "usbaudio.ac_if_clksrc.bmAttributes.d2", FT_UINT8,
|
|
BASE_HEX, VALS(clock_sync_vals), 0x04, NULL, HFILL }},
|
|
{ &hf_ac_if_clksrc_attr_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_clksrc.bmAttributes.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xF8, "Must be zero", HFILL }},
|
|
{ &hf_ac_if_clksrc_controls,
|
|
{ "Controls", "usbaudio.ac_if_clksrc.bmControls",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmControls", HFILL }},
|
|
{ &hf_ac_if_clksrc_controls_freq,
|
|
{ "Clock Frequency Control", "usbaudio.ac_if_clksrc.bmControls.freq", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x03, NULL, HFILL }},
|
|
{ &hf_ac_if_clksrc_controls_validity,
|
|
{ "Clock Validity Control", "usbaudio.ac_if_clksrc.bmControls.validity", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x0C, NULL, HFILL }},
|
|
{ &hf_ac_if_clksrc_controls_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_clksrc.bmControls.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xF0, "Must be zero", HFILL }},
|
|
{ &hf_ac_if_clksrc_assocterminal,
|
|
{ "Terminal", "usbaudio.ac_if_clksrc.bAssocTerminal",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bAssocTerminal", HFILL }},
|
|
{ &hf_ac_if_clksrc_clocksource,
|
|
{ "String descriptor index", "usbaudio.ac_if_clksrc.iClockSource",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iClockSource", HFILL }},
|
|
{ &hf_ac_if_clksel_id,
|
|
{ "Clock Selector Entity", "usbaudio.ac_if_clksel.bClockID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bClockID", HFILL }},
|
|
{ &hf_ac_if_clksel_nrpins,
|
|
{ "Number of Input Pins", "usbaudio.ac_if_clksel.bNrInPins",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bNrInPins", HFILL }},
|
|
{ &hf_ac_if_clksel_sourceid,
|
|
{ "Connected Clock Entity", "usbaudio.ac_if_clksel.baCSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "baCSourceID", HFILL }},
|
|
{ &hf_ac_if_clksel_controls,
|
|
{ "Controls", "usbaudio.ac_if_clksel.bmControls",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmControls", HFILL }},
|
|
{ &hf_ac_if_clksel_controls_clksel,
|
|
{ "Clock Selector Control", "usbaudio.ac_if_clksel.bmControls.clksel", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_vals_ext, 0x03, NULL, HFILL }},
|
|
{ &hf_ac_if_clksel_controls_rsv,
|
|
{ "Reserved", "usbaudio.ac_if_clksel.bmControls.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xFC, "Must be zero", HFILL }},
|
|
{ &hf_ac_if_clksel_clockselector,
|
|
{ "String descriptor index", "usbaudio.ac_if_clksel.iClockSelector",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "iClockSelector", HFILL }},
|
|
{ &hf_as_if_desc_subtype,
|
|
{ "Subtype", "usbaudio.as_if_subtype", FT_UINT8, BASE_HEX|BASE_EXT_STRING,
|
|
&as_subtype_vals_ext, 0x0, "bDescriptorSubtype", HFILL }},
|
|
{ &hf_as_if_gen_term_link,
|
|
{ "Connected Terminal ID", "usbaudio.as_if_gen.bTerminalLink",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bTerminalLink", HFILL }},
|
|
{ &hf_as_if_gen_delay,
|
|
{ "Interface delay in frames", "usbaudio.as_if_gen.bDelay",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bDelay", HFILL }},
|
|
{ &hf_as_if_gen_wformattag,
|
|
{ "Format", "usbaudio.as_if_gen.wFormatTag", FT_UINT16, BASE_HEX|BASE_EXT_STRING,
|
|
&audio_data_format_tag_vals_ext, 0x0, "wFormatTag", HFILL }},
|
|
{ &hf_as_if_gen_controls,
|
|
{ "Controls", "usbaudio.as_if_gen.bmControls",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, "bmControls", HFILL }},
|
|
{ &hf_as_if_gen_controls_active,
|
|
{ "Active Alternate Setting Control", "usbaudio.as_if_gen.bmControls.active", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_read_only_vals_ext, 0x03, NULL, HFILL }},
|
|
{ &hf_as_if_gen_controls_valid,
|
|
{ "Valid Alternate Settings Control", "usbaudio.as_if_gen.bmControls.valid", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_read_only_vals_ext, 0x0C, NULL, HFILL }},
|
|
{ &hf_as_if_gen_controls_rsv,
|
|
{ "Reserved", "usbaudio.as_if_gen.bmControls.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xF0, "Must be zero", HFILL }},
|
|
{ &hf_as_if_gen_formattype,
|
|
{ "Format Type", "usbaudio.as_if_gen.bFormatType",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "bFormatType", HFILL }},
|
|
{ &hf_as_if_gen_formats,
|
|
{ "Formats", "usbaudio.as_if_gen.bmFormats",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0, "bmFormats", HFILL }},
|
|
|
|
{ &hf_as_if_gen_formats_i_d0,
|
|
{ "PCM", "usbaudio.as_if_gen.bmFormats.d0",
|
|
FT_BOOLEAN, 32, NULL, (1u << 0), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_i_d1,
|
|
{ "PCM8", "usbaudio.as_if_gen.bmFormats.d1",
|
|
FT_BOOLEAN, 32, NULL, (1u << 1), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_i_d2,
|
|
{ "IEEE Float", "usbaudio.as_if_gen.bmFormats.d2",
|
|
FT_BOOLEAN, 32, NULL, (1u << 2), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_i_d3,
|
|
{ "ALAW", "usbaudio.as_if_gen.bmFormats.d3",
|
|
FT_BOOLEAN, 32, NULL, (1u << 3), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_i_d4,
|
|
{ "MULAW", "usbaudio.as_if_gen.bmFormats.d4",
|
|
FT_BOOLEAN, 32, NULL, (1u << 4), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_i_rsv,
|
|
{ "Reserved", "usbaudio.as_if_gen.bmFormats.rsv",
|
|
FT_UINT32, BASE_HEX, NULL, (0x7FFFFFE0u), "Must be zero", HFILL }},
|
|
{ &hf_as_if_gen_formats_i_d31,
|
|
{ "Type I Raw Data", "usbaudio.as_if_gen.bmFormats.d31",
|
|
FT_BOOLEAN, 32, NULL, (1u << 31), NULL, HFILL }},
|
|
|
|
{ &hf_as_if_gen_formats_ii_d0,
|
|
{ "MPEG", "usbaudio.as_if_gen.bmFormats.d0",
|
|
FT_BOOLEAN, 32, NULL, (1u << 0), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_ii_d1,
|
|
{ "AC-3", "usbaudio.as_if_gen.bmFormats.d1",
|
|
FT_BOOLEAN, 32, NULL, (1u << 1), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_ii_d2,
|
|
{ "WMA", "usbaudio.as_if_gen.bmFormats.d2",
|
|
FT_BOOLEAN, 32, NULL, (1u << 2), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_ii_d3,
|
|
{ "DTS", "usbaudio.as_if_gen.bmFormats.d3",
|
|
FT_BOOLEAN, 32, NULL, (1u << 3), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_ii_rsv,
|
|
{ "Reserved", "usbaudio.as_if_gen.bmFormats.rsv",
|
|
FT_UINT32, BASE_HEX, NULL, (0x7FFFFFF0u), "Must be zero", HFILL }},
|
|
{ &hf_as_if_gen_formats_ii_d31,
|
|
{ "Type II Raw Data", "usbaudio.as_if_gen.bmFormats.d31",
|
|
FT_BOOLEAN, 32, NULL, (1u << 31), NULL, HFILL }},
|
|
|
|
{ &hf_as_if_gen_formats_iii_d0,
|
|
{ "IEC61937 AC-3", "usbaudio.as_if_gen.bmFormats.d0",
|
|
FT_BOOLEAN, 32, NULL, (1u << 0), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d1,
|
|
{ "IEC61937 MPEG-1 Layer1", "usbaudio.as_if_gen.bmFormats.d1",
|
|
FT_BOOLEAN, 32, NULL, (1u << 1), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d2,
|
|
{ "IEC61937 MPEG-1 Layer2/3 or IEC61937 MPEG-2 NOEXT", "usbaudio.as_if_gen.bmFormats.d2",
|
|
FT_BOOLEAN, 32, NULL, (1u << 2), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d3,
|
|
{ "IEC61937 MPEG-2 EXT", "usbaudio.as_if_gen.bmFormats.d3",
|
|
FT_BOOLEAN, 32, NULL, (1u << 3), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d4,
|
|
{ "IEC61937 MPEG-2 AAC ADTS", "usbaudio.as_if_gen.bmFormats.d4",
|
|
FT_BOOLEAN, 32, NULL, (1u << 4), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d5,
|
|
{ "IEC61937 MPEG-2 Layer1 LS", "usbaudio.as_if_gen.bmFormats.d5",
|
|
FT_BOOLEAN, 32, NULL, (1u << 5), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d6,
|
|
{ "IEC61937 MPEG-2 Layer2/3 LS", "usbaudio.as_if_gen.bmFormats.d6",
|
|
FT_BOOLEAN, 32, NULL, (1u << 6), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d7,
|
|
{ "IEC61937 DTS-I", "usbaudio.as_if_gen.bmFormats.d7",
|
|
FT_BOOLEAN, 32, NULL, (1u << 7), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d8,
|
|
{ "IEC61937 DTS-II", "usbaudio.as_if_gen.bmFormats.d8",
|
|
FT_BOOLEAN, 32, NULL, (1u << 8), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d9,
|
|
{ "IEC61937 DTS-III", "usbaudio.as_if_gen.bmFormats.d9",
|
|
FT_BOOLEAN, 32, NULL, (1u << 9), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d10,
|
|
{ "IEC61937 ATRAC", "usbaudio.as_if_gen.bmFormats.d10",
|
|
FT_BOOLEAN, 32, NULL, (1u << 10), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d11,
|
|
{ "IEC61937 ATRAC2/3", "usbaudio.as_if_gen.bmFormats.d11",
|
|
FT_BOOLEAN, 32, NULL, (1u << 11), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_d12,
|
|
{ "Type III WMA", "usbaudio.as_if_gen.bmFormats.d12",
|
|
FT_BOOLEAN, 32, NULL, (1u << 12), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iii_rsv,
|
|
{ "Reserved", "usbaudio.as_if_gen.bmFormats.rsv",
|
|
FT_UINT32, BASE_HEX, NULL, (0xFFFFE000u), "Must be zero", HFILL }},
|
|
|
|
{ &hf_as_if_gen_formats_iv_d0,
|
|
{ "PCM", "usbaudio.as_if_gen.bmFormats.d0",
|
|
FT_BOOLEAN, 32, NULL, (1u << 0), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d1,
|
|
{ "PCM8", "usbaudio.as_if_gen.bmFormats.d1",
|
|
FT_BOOLEAN, 32, NULL, (1u << 1), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d2,
|
|
{ "IEEE Float", "usbaudio.as_if_gen.bmFormats.d2",
|
|
FT_BOOLEAN, 32, NULL, (1u << 2), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d3,
|
|
{ "ALAW", "usbaudio.as_if_gen.bmFormats.d3",
|
|
FT_BOOLEAN, 32, NULL, (1u << 3), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d4,
|
|
{ "MULAW", "usbaudio.as_if_gen.bmFormats.d4",
|
|
FT_BOOLEAN, 32, NULL, (1u << 4), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d5,
|
|
{ "MPEG", "usbaudio.as_if_gen.bmFormats.d5",
|
|
FT_BOOLEAN, 32, NULL, (1u << 5), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d6,
|
|
{ "AC-3", "usbaudio.as_if_gen.bmFormats.d6",
|
|
FT_BOOLEAN, 32, NULL, (1u << 6), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d7,
|
|
{ "WMA", "usbaudio.as_if_gen.bmFormats.d7",
|
|
FT_BOOLEAN, 32, NULL, (1u << 7), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d8,
|
|
{ "IEC61937 AC-3", "usbaudio.as_if_gen.bmFormats.d8",
|
|
FT_BOOLEAN, 32, NULL, (1u << 8), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d9,
|
|
{ "IEC61937 MPEG-1 Layer1", "usbaudio.as_if_gen.bmFormats.d9",
|
|
FT_BOOLEAN, 32, NULL, (1u << 9), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d10,
|
|
{ "IEC61937 MPEG-1 Layer2/3 or IEC61937 MPEG-2 NOEXT", "usbaudio.as_if_gen.bmFormats.d10",
|
|
FT_BOOLEAN, 32, NULL, (1u << 10), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d11,
|
|
{ "IEC61937 MPEG-2 EXT", "usbaudio.as_if_gen.bmFormats.d11",
|
|
FT_BOOLEAN, 32, NULL, (1u << 11), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d12,
|
|
{ "IEC61937 MPEG-2 AAC ADTS", "usbaudio.as_if_gen.bmFormats.d12",
|
|
FT_BOOLEAN, 32, NULL, (1u << 12), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d13,
|
|
{ "IEC61937 MPEG-2 Layer1 LS", "usbaudio.as_if_gen.bmFormats.d13",
|
|
FT_BOOLEAN, 32, NULL, (1u << 13), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d14,
|
|
{ "IEC61937 MPEG-2 Layer2/3 LS", "usbaudio.as_if_gen.bmFormats.d14",
|
|
FT_BOOLEAN, 32, NULL, (1u << 14), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d15,
|
|
{ "IEC61937 DTS-I", "usbaudio.as_if_gen.bmFormats.d15",
|
|
FT_BOOLEAN, 32, NULL, (1u << 15), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d16,
|
|
{ "IEC61937 DTS-II", "usbaudio.as_if_gen.bmFormats.d16",
|
|
FT_BOOLEAN, 32, NULL, (1u << 16), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d17,
|
|
{ "IEC61937 DTS-III", "usbaudio.as_if_gen.bmFormats.d17",
|
|
FT_BOOLEAN, 32, NULL, (1u << 17), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d18,
|
|
{ "IEC61937 ATRAC", "usbaudio.as_if_gen.bmFormats.d18",
|
|
FT_BOOLEAN, 32, NULL, (1u << 18), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d19,
|
|
{ "IEC61937 ATRAC2/3", "usbaudio.as_if_gen.bmFormats.d19",
|
|
FT_BOOLEAN, 32, NULL, (1u << 19), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d20,
|
|
{ "Type III WMA", "usbaudio.as_if_gen.bmFormats.d20",
|
|
FT_BOOLEAN, 32, NULL, (1u << 20), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_d21,
|
|
{ "IEC60958 PCM", "usbaudio.as_if_gen.bmFormats.d21",
|
|
FT_BOOLEAN, 32, NULL, (1u << 21), NULL, HFILL }},
|
|
{ &hf_as_if_gen_formats_iv_rsv,
|
|
{ "Reserved", "usbaudio.as_if_gen.bmFormats.rsv",
|
|
FT_UINT32, BASE_HEX, NULL, (0xFFE00000u), "Must be zero", HFILL }},
|
|
|
|
{ &hf_as_if_gen_nrchannels,
|
|
{ "Number of channels", "usbaudio.as_if_gen.bNrChannels",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bNrChannels", HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig,
|
|
{ "Channel Config", "usbaudio.as_if_gen.bmChannelConfig",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0, "bmChannelConfig", HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d0,
|
|
{ "Front Left", "usbaudio.as_if_gen.bmChannelConfig.d0",
|
|
FT_BOOLEAN, 32, NULL, (1u << 0), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d1,
|
|
{ "Front Right", "usbaudio.as_if_gen.bmChannelConfig.d1",
|
|
FT_BOOLEAN, 32, NULL, (1u << 1), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d2,
|
|
{ "Front Center", "usbaudio.as_if_gen.bmChannelConfig.d2",
|
|
FT_BOOLEAN, 32, NULL, (1u << 2), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d3,
|
|
{ "Low Frequency Effects", "usbaudio.as_if_gen.bmChannelConfig.d3",
|
|
FT_BOOLEAN, 32, NULL, (1u << 3), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d4,
|
|
{ "Back Left", "usbaudio.as_if_gen.bmChannelConfig.d4",
|
|
FT_BOOLEAN, 32, NULL, (1u << 4), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d5,
|
|
{ "Back Right", "usbaudio.as_if_gen.bmChannelConfig.d5",
|
|
FT_BOOLEAN, 32, NULL, (1u << 5), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d6,
|
|
{ "Front Left of Center", "usbaudio.as_if_gen.bmChannelConfig.d6",
|
|
FT_BOOLEAN, 32, NULL, (1u << 6), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d7,
|
|
{ "Front Right of Center", "usbaudio.as_if_gen.bmChannelConfig.d7",
|
|
FT_BOOLEAN, 32, NULL, (1u << 7), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d8,
|
|
{ "Back Center", "usbaudio.as_if_gen.bmChannelConfig.d8",
|
|
FT_BOOLEAN, 32, NULL, (1u << 8), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d9,
|
|
{ "Side Left", "usbaudio.as_if_gen.bmChannelConfig.d9",
|
|
FT_BOOLEAN, 32, NULL, (1u << 9), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d10,
|
|
{ "Side Right", "usbaudio.as_if_gen.bmChannelConfig.d10",
|
|
FT_BOOLEAN, 32, NULL, (1u << 10), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d11,
|
|
{ "Top Center", "usbaudio.as_if_gen.bmChannelConfig.d11",
|
|
FT_BOOLEAN, 32, NULL, (1u << 11), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d12,
|
|
{ "Top Front Left", "usbaudio.as_if_gen.bmChannelConfig.d12",
|
|
FT_BOOLEAN, 32, NULL, (1u << 12), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d13,
|
|
{ "Top Front Center", "usbaudio.as_if_gen.bmChannelConfig.d13",
|
|
FT_BOOLEAN, 32, NULL, (1u << 13), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d14,
|
|
{ "Top Front Right", "usbaudio.as_if_gen.bmChannelConfig.d14",
|
|
FT_BOOLEAN, 32, NULL, (1u << 14), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d15,
|
|
{ "Top Back Left", "usbaudio.as_if_gen.bmChannelConfig.d15",
|
|
FT_BOOLEAN, 32, NULL, (1u << 15), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d16,
|
|
{ "Top Back Center", "usbaudio.as_if_gen.bmChannelConfig.d16",
|
|
FT_BOOLEAN, 32, NULL, (1u << 16), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d17,
|
|
{ "Top Back Right", "usbaudio.as_if_gen.bmChannelConfig.d17",
|
|
FT_BOOLEAN, 32, NULL, (1u << 17), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d18,
|
|
{ "Top Front Left of Center", "usbaudio.as_if_gen.bmChannelConfig.d18",
|
|
FT_BOOLEAN, 32, NULL, (1u << 18), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d19,
|
|
{ "Top Front Right of Center", "usbaudio.as_if_gen.bmChannelConfig.d19",
|
|
FT_BOOLEAN, 32, NULL, (1u << 19), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d20,
|
|
{ "Left Low Frequency Effects", "usbaudio.as_if_gen.bmChannelConfig.d20",
|
|
FT_BOOLEAN, 32, NULL, (1u << 20), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d21,
|
|
{ "Right Low Frequency Effects", "usbaudio.as_if_gen.bmChannelConfig.d21",
|
|
FT_BOOLEAN, 32, NULL, (1u << 21), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d22,
|
|
{ "Top Side Left", "usbaudio.as_if_gen.bmChannelConfig.d22",
|
|
FT_BOOLEAN, 32, NULL, (1u << 22), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d23,
|
|
{ "Top Side Right", "usbaudio.as_if_gen.bmChannelConfig.d23",
|
|
FT_BOOLEAN, 32, NULL, (1u << 23), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d24,
|
|
{ "Bottom Center", "usbaudio.as_if_gen.bmChannelConfig.d24",
|
|
FT_BOOLEAN, 32, NULL, (1u << 24), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d25,
|
|
{ "Back Left of Center", "usbaudio.as_if_gen.bmChannelConfig.d25",
|
|
FT_BOOLEAN, 32, NULL, (1u << 25), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d26,
|
|
{ "Back Right of Center", "usbaudio.as_if_gen.bmChannelConfig.d26",
|
|
FT_BOOLEAN, 32, NULL, (1u << 26), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_rsv,
|
|
{ "Reserved", "usbaudio.as_if_gen.bmChannelConfig.rsv",
|
|
FT_BOOLEAN, 32, NULL, (0xFu << 27), NULL, HFILL }},
|
|
{ &hf_as_if_gen_bmchannelconfig_d31,
|
|
{ "Raw Data", "usbaudio.as_if_gen.bmChannelConfig.d31",
|
|
FT_BOOLEAN, 32, NULL, (1u << 31), NULL, HFILL }},
|
|
{ &hf_as_if_gen_channelnames,
|
|
{ "String descriptor index", "usbaudio.as_if_gen.iChannelNames",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "iChannelNames", HFILL }},
|
|
|
|
{ &hf_as_if_ft_formattype,
|
|
{ "FormatType", "usbaudio.as_if_ft.bFormatType",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "wFormatType", HFILL }},
|
|
{ &hf_as_if_ft_maxbitrate,
|
|
{ "Max Bit Rate", "usbaudio.as_if_ft.wMaxBitRate",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00, "wMaxBitRate", HFILL }},
|
|
{ &hf_as_if_ft_nrchannels,
|
|
{ "Number Channels", "usbaudio.as_if_ft.bNrChannels",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bNrChannels", HFILL }},
|
|
{ &hf_as_if_ft_subframesize,
|
|
{ "Subframe Size", "usbaudio.as_if_ft.bSubframeSize",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bSubframeSize", HFILL }},
|
|
{ &hf_as_if_ft_subslotsize,
|
|
{ "Subslot Size", "usbaudio.as_if_ft.bSubslotSize",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bSubslotSize", HFILL }},
|
|
{ &hf_as_if_ft_bitresolution,
|
|
{ "Bit Resolution", "usbaudio.as_if_ft.bBitResolution",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bBitResolution", HFILL }},
|
|
{ &hf_as_if_ft_samplesperframe,
|
|
{ "Samples Per Frame", "usbaudio.as_if_ft.wSamplesPerFrame",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00, "wSamplesPerFrame", HFILL }},
|
|
{ &hf_as_if_ft_samfreqtype,
|
|
{ "Samples Frequence Type", "usbaudio.as_if_ft.bSamFreqType",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bSamFreqType", HFILL }},
|
|
{ &hf_as_if_ft_lowersamfreq,
|
|
{ "Lower Samples Frequence", "usbaudio.as_if_ft.tLowerSamFreq",
|
|
FT_UINT24, BASE_DEC, NULL, 0x00, "tLowerSamFreq", HFILL }},
|
|
{ &hf_as_if_ft_uppersamfreq,
|
|
{ "Upper Samples Frequence", "usbaudio.as_if_ft.tUpperSamFreq",
|
|
FT_UINT24, BASE_DEC, NULL, 0x00, "tUpperSamFreq", HFILL }},
|
|
{ &hf_as_if_ft_samfreq,
|
|
{ "Samples Frequence", "usbaudio.as_if_ft.tSamFreq",
|
|
FT_UINT24, BASE_DEC, NULL, 0x00, "tSamFreq", HFILL }},
|
|
{ &hf_as_ep_desc_subtype,
|
|
{ "Subtype", "usbaudio.as_ep_subtype", FT_UINT8,
|
|
BASE_HEX, VALS(as_ep_subtype_vals), 0x00, "bDescriptorSubtype", HFILL }},
|
|
{ &hf_as_ep_gen_bmattributes,
|
|
{ "Attributes", "usbaudio.as_ep_gen.bmAttributes", FT_UINT8,
|
|
BASE_HEX, NULL, 0x00, "bmAttributes", HFILL }},
|
|
{ &hf_as_ep_gen_bmattributes_d0,
|
|
{ "Sampling Frequency Control", "usbaudio.as_ep_gen.bmAttributes.d0", FT_BOOLEAN,
|
|
8, NULL, (1u << 0), NULL, HFILL }},
|
|
{ &hf_as_ep_gen_bmattributes_d1,
|
|
{ "Pitch Control", "usbaudio.as_ep_gen.bmAttributes.d1", FT_BOOLEAN,
|
|
8, NULL, (1u << 1), NULL, HFILL }},
|
|
{ &hf_as_ep_gen_bmattributes_rsv,
|
|
{ "Reserved", "usbaudio.as_ep_gen.bmAttributes.rsv", FT_UINT8,
|
|
BASE_HEX, NULL, 0x7C, NULL, HFILL }},
|
|
{ &hf_as_ep_gen_bmattributes_d7,
|
|
{ "MaxPacketsOnly", "usbaudio.as_ep_gen.bmAttributes.d7", FT_BOOLEAN,
|
|
8, NULL, (1u << 7), NULL, HFILL }},
|
|
{ &hf_as_ep_gen_controls,
|
|
{ "Controls", "usbaudio.as_ep_gen.bmControls",
|
|
FT_UINT8, BASE_HEX, NULL, 0x00, "bmControls", HFILL }},
|
|
{ &hf_as_ep_gen_controls_pitch,
|
|
{ "Pitch Control", "usbaudio.as_ep_gen.bmControls.pitch", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_read_only_vals_ext, 0x03, NULL, HFILL }},
|
|
{ &hf_as_ep_gen_controls_data_overrun,
|
|
{ "Data Overrun Control", "usbaudio.as_ep_gen.bmControls.overrun", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_read_only_vals_ext, 0x0C, NULL, HFILL }},
|
|
{ &hf_as_ep_gen_controls_data_underrun,
|
|
{ "Valid Alternate Settings Control", "usbaudio.as_ep_gen.bmControls.underrun", FT_UINT8,
|
|
BASE_HEX|BASE_EXT_STRING, &controls_capabilities_read_only_vals_ext, 0x30, NULL, HFILL }},
|
|
{ &hf_as_ep_gen_controls_rsv,
|
|
{ "Reserved", "usbaudio.as_ep_gen.bmControls.bmControls.rsv",
|
|
FT_UINT8, BASE_HEX, NULL, 0xC0, "Must be zero", HFILL }},
|
|
{ &hf_as_ep_gen_lockdelayunits,
|
|
{ "Lock Delay Units", "usbaudio.as_ep_gen.bLockDelayUnits",
|
|
FT_UINT8, BASE_DEC, VALS(lock_delay_unit_vals), 0x00, NULL, HFILL }},
|
|
{ &hf_as_ep_gen_lockdelay,
|
|
{ "Lock Delay", "usbaudio.as_ep_gen.wLockDelay",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_ms_if_desc_subtype,
|
|
{ "Subtype", "usbaudio.ms_if_subtype", FT_UINT8, BASE_HEX|BASE_EXT_STRING,
|
|
&ms_if_subtype_vals_ext, 0x0, "bDescriptorSubtype", HFILL }},
|
|
{ &hf_ms_if_hdr_ver,
|
|
{ "Version", "usbaudio.ms_if_hdr.bcdADC",
|
|
FT_DOUBLE, BASE_NONE, NULL, 0, "bcdADC", HFILL }},
|
|
{ &hf_ms_if_hdr_total_len,
|
|
{ "Total length", "usbaudio.ms_if_hdr.wTotalLength",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00, "wTotalLength", HFILL }},
|
|
{ &hf_ms_if_midi_in_bjacktype,
|
|
{ "Jack Type", "usbaudio.ms_if_midi_in.bJackType",
|
|
FT_UINT8, BASE_HEX, VALS(ms_midi_jack_type_vals), 0x00, "bJackType", HFILL }},
|
|
{ &hf_ms_if_midi_in_bjackid,
|
|
{ "Jack ID", "usbaudio.ms_if_midi_in.bJackID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bJackID", HFILL }},
|
|
{ &hf_ms_if_midi_in_ijack,
|
|
{ "String descriptor index", "usbaudio.ms_if_midi_in.iJack",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "iJack", HFILL }},
|
|
{ &hf_ms_if_midi_out_bjacktype,
|
|
{ "Jack Type", "usbaudio.ms_if_midi_out.bJackType",
|
|
FT_UINT8, BASE_HEX, VALS(ms_midi_jack_type_vals), 0x00, "bJackType", HFILL }},
|
|
{ &hf_ms_if_midi_out_bjackid,
|
|
{ "Jack ID", "usbaudio.ms_if_midi_out.bJackID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bJackID", HFILL }},
|
|
{ &hf_ms_if_midi_out_bnrinputpins,
|
|
{ "Number of Input Pins", "usbaudio.ms_if_midi_out.bNrInputPins",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "bNrInputPins", HFILL }},
|
|
{ &hf_ms_if_midi_out_basourceid,
|
|
{ "Connected MIDI Entity", "usbaudio.ms_if_midi_out.baSourceID",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "baSourceID", HFILL }},
|
|
{ &hf_ms_if_midi_out_basourcepin,
|
|
{ "Entity Output Pin", "usbaudio.ms_if_midi_out.BaSourcePin",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "BaSourcePin", HFILL }},
|
|
{ &hf_ms_if_midi_out_ijack,
|
|
{ "String descriptor index", "usbaudio.ms_if_midi_out.iJack",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "iJack", HFILL }},
|
|
|
|
{ &hf_ms_ep_desc_subtype,
|
|
{ "Subtype", "usbaudio.ms_ep_subtype", FT_UINT8,
|
|
BASE_HEX, VALS(ms_ep_subtype_vals), 0x00, "bDescriptorSubtype", HFILL }},
|
|
{ &hf_ms_ep_gen_numjacks,
|
|
{ "Number of Embedded MIDI Jacks", "usbaudio.ms_ep_gen.bNumEmbMIDIJack", FT_UINT8,
|
|
BASE_DEC, NULL, 0x00, "bNumEmbMIDIJack", HFILL }},
|
|
{ &hf_ms_ep_gen_baassocjackid,
|
|
{ "Associated Embedded Jack ID", "usbaudio.ms_ep_gen.baAssocJackID", FT_UINT8,
|
|
BASE_DEC, NULL, 0x00, "baAssocJackID", HFILL }},
|
|
|
|
{ &hf_sysex_msg_fragments,
|
|
{ "Message fragments", "usbaudio.sysex.fragments",
|
|
FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_fragment,
|
|
{ "Message fragment", "usbaudio.sysex.fragment",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_fragment_overlap,
|
|
{ "Message fragment overlap", "usbaudio.sysex.fragment.overlap",
|
|
FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_fragment_overlap_conflicts,
|
|
{ "Message fragment overlapping with conflicting data",
|
|
"usbaudio.sysex.fragment.overlap.conflicts",
|
|
FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_fragment_multiple_tails,
|
|
{ "Message has multiple tail fragments",
|
|
"usbaudio.sysex.fragment.multiple_tails",
|
|
FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_fragment_too_long_fragment,
|
|
{ "Message fragment too long", "usbaudio.sysex.fragment.too_long_fragment",
|
|
FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_fragment_error,
|
|
{ "Message defragmentation error", "usbaudio.sysex.fragment.error",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_fragment_count,
|
|
{ "Message fragment count", "usbaudio.sysex.fragment.count",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_reassembled_in,
|
|
{ "Reassembled in", "usbaudio.sysex.reassembled.in",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_reassembled_length,
|
|
{ "Reassembled length", "usbaudio.sysex.reassembled.length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }},
|
|
{ &hf_sysex_msg_reassembled_data,
|
|
{ "Reassembled data", "usbaudio.sysex.reassembled.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}
|
|
};
|
|
|
|
static gint *usb_audio_subtrees[] = {
|
|
&ett_usb_audio,
|
|
&ett_usb_audio_desc,
|
|
&ett_sysex_msg_fragment,
|
|
&ett_sysex_msg_fragments,
|
|
&ett_ac_if_hdr_controls,
|
|
&ett_ac_if_fu_controls,
|
|
&ett_ac_if_fu_controls0,
|
|
&ett_ac_if_fu_controls1,
|
|
&ett_ac_if_fu_controls_v2,
|
|
&ett_ac_if_fu_control_v2,
|
|
&ett_ac_if_su_sourceids,
|
|
&ett_ac_if_su_controls,
|
|
&ett_ac_if_input_wchannelconfig,
|
|
&ett_ac_if_input_bmchannelconfig,
|
|
&ett_ac_if_input_controls,
|
|
&ett_ac_if_output_controls,
|
|
&ett_ac_if_mu_channelconfig,
|
|
&ett_ac_if_clksrc_attr,
|
|
&ett_ac_if_clksrc_controls,
|
|
&ett_ac_if_clksel_controls,
|
|
&ett_as_if_gen_controls,
|
|
&ett_as_if_gen_formats,
|
|
&ett_as_if_gen_bmchannelconfig,
|
|
&ett_as_ep_gen_attributes,
|
|
&ett_as_ep_gen_controls
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_usb_audio_undecoded, { "usbaudio.undecoded", PI_UNDECODED, PI_WARN, "Not dissected yet (report to wireshark.org)", EXPFILL }},
|
|
{ &ei_usb_audio_invalid_feature_unit_length, { "usbaudio.ac_if_fu.invalid_length", PI_MALFORMED, PI_ERROR, "Descriptor size is not 7+(ch+1)*n where n=bControlSize", EXPFILL }},
|
|
{ &ei_usb_audio_invalid_type_3_ft_nrchannels, { "usbaudio.as_if_ft.bNrChannels.invalid_value", PI_MALFORMED, PI_ERROR, "bNrChannels must be 2 for Type III Format Type descriptors", EXPFILL }},
|
|
{ &ei_usb_audio_invalid_type_3_ft_subframesize, { "usbaudio.as_if_ft.subframesize.invalid_value", PI_MALFORMED, PI_ERROR, "bSubFrameSize must be 2 for Type III Format Type descriptors", EXPFILL }},
|
|
{ &ei_usb_audio_invalid_type_3_ft_bitresolution, { "usbaudio.hf_as_if_ft_bitresolution.invalid_value", PI_MALFORMED, PI_ERROR, "bBitResolution must be 16 for Type III Format Type descriptors", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t *expert_usb_audio;
|
|
|
|
proto_usb_audio = proto_register_protocol("USB Audio", "USBAUDIO", "usbaudio");
|
|
proto_register_field_array(proto_usb_audio, hf, array_length(hf));
|
|
proto_register_subtree_array(usb_audio_subtrees, array_length(usb_audio_subtrees));
|
|
expert_usb_audio = expert_register_protocol(proto_usb_audio);
|
|
expert_register_field_array(expert_usb_audio, ei, array_length(ei));
|
|
reassembly_table_register(&midi_data_reassembly_table,
|
|
&addresses_reassembly_table_functions);
|
|
|
|
usb_audio_bulk_handle = register_dissector("usbaudio", dissect_usb_audio_bulk, proto_usb_audio);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_usb_audio(void)
|
|
{
|
|
dissector_handle_t usb_audio_descr_handle;
|
|
|
|
usb_audio_descr_handle = create_dissector_handle(
|
|
dissect_usb_audio_descriptor, proto_usb_audio);
|
|
dissector_add_uint("usb.descriptor", IF_CLASS_AUDIO, usb_audio_descr_handle);
|
|
|
|
dissector_add_uint("usb.bulk", IF_CLASS_AUDIO, usb_audio_bulk_handle);
|
|
|
|
sysex_handle = find_dissector_add_dependency("sysex", proto_usb_audio);
|
|
}
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|