2008-06-04 20:34:42 +00:00
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/*
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* packet-mp4ves.c
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* Routines for MPEG4 dissection
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* Copyright 2007-2008, Anders Broman <anders.broman[at]ericsson.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* References:
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* http://www.ietf.org/rfc/rfc3016.txt?number=3016
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/proto.h>
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2008-11-06 21:36:24 +00:00
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#include <epan/asn1.h>
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2008-06-04 20:34:42 +00:00
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#include "prefs.h"
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/* Initialize the protocol and registered fields */
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static int proto_mp4ves = -1;
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static int hf_mp4ves_config = -1;
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static int hf_mp4ves_start_code_prefix = -1;
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static int hf_mp4ves_start_code = -1;
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static int hf_mp4ves_vop_coding_type = -1;
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/* Initialize the subtree pointers */
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static int ett_mp4ves = -1;
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static int ett_mp4ves_config = -1;
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/* The dynamic payload type which will be dissected as MP4V-ES */
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2008-09-03 16:42:35 +00:00
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static guint global_dynamic_payload_type = 0;
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2008-06-04 20:34:42 +00:00
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2008-11-06 21:36:24 +00:00
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/*
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14496-2, Annex G, Table G-1.
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Table G-1 FLC table for profile_and_level_indication Profile/Level Code
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*/
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static const value_string mp4ves_level_indication_vals[] =
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{
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{ 0, "Reserved" },
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{ 1, "Simple Profile/Level 1" },
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{ 2, "Simple Profile/Level 2" },
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{ 3, "Reserved" },
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{ 4, "Reserved" },
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{ 5, "Reserved" },
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{ 6, "Reserved" },
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{ 7, "Reserved" },
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{ 8, "Simple Profile/Level 0" },
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{ 9, "Simple Profile/Level 0b" },
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/* Reserved 00001001 - 00010000 */
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{ 0x11, "Simple Scalable Profile/Level 1" },
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{ 0x12, "Simple Scalable Profile/Level 2" },
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/* Reserved 00010011 - 00100000 */
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{ 0x21, "Core Profile/Level 1" },
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{ 0x22, "Core Profile/Level 2" },
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/* Reserved 00100011 - 00110001 */
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{ 0x32, "Main Profile/Level 2" },
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{ 0x33, "Main Profile/Level 3" },
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{ 0x34, "Main Profile/Level 4" },
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/* Reserved 00110101 - 01000001 */
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{ 0x42, "N-bit Profile/Level 2" },
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/* Reserved 01000011 - 01010000 */
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{ 0x51, "Scalable Texture Profile/Level 1" },
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/* Reserved 01010010 - 01100000 */
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{ 0x61, "Simple Face Animation Profile/Level 1" },
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{ 0x62, "Simple Face Animation Profile/Level 2" },
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{ 0x63, "Simple FBA Profile/Level 1" },
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{ 0x64, "Simple FBA Profile/Level 2" },
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/* Reserved 01100101 - 01110000 */
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{ 0x71, "Basic Animated Texture Profile/Level 1" },
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{ 0x72, "Basic Animated Texture Profile/Level 2" },
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/* Reserved 01110011 - 10000000 */
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{ 0x81, "Hybrid Profile/Level 1" },
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{ 0x82, "Hybrid Profile/Level 2" },
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/* Reserved 10000011 - 10010000 */
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{ 0x91, "Advanced Real Time Simple Profile/Level 1" },
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{ 0x92, "Advanced Real Time Simple Profile/Level 2" },
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{ 0x93, "Advanced Real Time Simple Profile/Level 3" },
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{ 0x94, "Advanced Real Time Simple Profile/Level 4" },
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/* Reserved 10010101 - 10100000 */
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{ 0xa1, "Core Scalable Profile/Level 1" },
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{ 0xa2, "Core Scalable Profile/Level 2" },
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{ 0xa3, "Core Scalable Profile/Level 3" },
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/* Reserved 10100100 - 10110000 */
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{ 0xb1, "Advanced Coding Efficiency Profile/Level 1" },
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{ 0xb2, "Advanced Coding Efficiency Profile/Level 2" },
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{ 0xb3, "Advanced Coding Efficiency Profile/Level 3" },
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{ 0xb4, "Advanced Coding Efficiency Profile/Level 4" },
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/* Reserved 10110101 - 11000000 */
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{ 0xc1, "Advanced Core Profile/Level 1" },
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{ 0xc2, "Advanced Core Profile/Level 2" },
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/* Reserved 11000011 - 11010000 */
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{ 0xd1, "Advanced Scalable Texture/Level 1" },
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{ 0xd2, "Advanced Scalable Texture/Level 2" },
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{ 0xd3, "Advanced Scalable Texture/Level 3" },
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/* Reserved 11010100 - 11100000 */
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{ 0xe1, "Simple Studio Profile/Level 1" },
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{ 0xe2, "Simple Studio Profile/Level 2" },
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{ 0xe3, "Simple Studio Profile/Level 3" },
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{ 0xe4, "Simple Studio Profile/Level 4" },
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{ 0xe5, "Core Studio Profile/Level 1" },
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{ 0xe6, "Core Studio Profile/Level 2" },
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{ 0xe7, "Core Studio Profile/Level 3" },
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{ 0xe8, "Core Studio Profile/Level 4" },
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/* Reserved 11101001 - 11101111 */
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{ 0xf0, "Advanced Simple Profile/Level 0" },
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{ 0xf1, "Advanced Simple Profile/Level 1" },
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{ 0xf2, "Advanced Simple Profile/Level 2" },
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{ 0xf3, "Advanced Simple Profile/Level 3" },
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{ 0xf4, "Advanced Simple Profile/Level 4" },
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{ 0xf5, "Advanced Simple Profile/Level 5" },
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/* Reserved 11110110 - 11110111 */
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{ 0xf8, "Fine Granularity Scalable Profile/Level 0" },
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{ 0xf9, "Fine Granularity Scalable Profile/Level 1" },
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{ 0xfa, "Fine Granularity Scalable Profile/Level 2" },
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{ 0xfb, "Fine Granularity Scalable Profile/Level 3" },
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{ 0xfc, "Fine Granularity Scalable Profile/Level 4" },
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{ 0xfd, "Fine Granularity Scalable Profile/Level 5" },
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{ 0xfe, "Reserved" },
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{ 0xff, "Reserved for Escape" },
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{ 0, NULL },
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};
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2008-06-04 20:34:42 +00:00
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static const range_string mp4ves_startcode_vals[] = {
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{ 0, 0x1f, "video_object_start_code" },
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{ 0x20, 0x2f, "video_object_layer_start_code" },
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{ 0x30, 0xaf, "reserved" },
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{ 0xb0, 0xb0, "visual_object_sequence_start_code" },
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{ 0xb1, 0xb1, "visual_object_sequence_end_code" },
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{ 0xb2, 0xb2, "user_data_start_code" },
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{ 0xb3, 0xb3, "group_of_vop_start_code" },
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{ 0xb4, 0xb4, "video_session_error_code" },
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{ 0xb5, 0xb5, "visual_object_start_code" },
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{ 0xb6, 0xb6, "vop_start_code" },
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{ 0xb7, 0xb9, "reserved" },
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{ 0xba, 0xba, "fba_object_start_code" },
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{ 0xbb, 0xbb, "fba_object_plane_start_code" },
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{ 0xbc, 0xbc, "mesh_object_start_code" },
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{ 0xbd, 0xbd, "mesh_object_plane_start_code" },
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{ 0xbe, 0xbe, "still_texture_object_start_code" },
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{ 0xbf, 0xbf, "texture_spatial_layer_start_code" },
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{ 0xc0, 0xc0, "texture_snr_layer_start_code" },
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{ 0xc1, 0xc1, "texture_tile_start_code" },
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{ 0xc2, 0xc2, "texture_shape_layer_start_code" },
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{ 0xc3, 0xc3, "stuffing_start_code" },
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{ 0xc4, 0xc5, "reserved" },
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{ 0xc6, 0xcf, "System start codes" }, /* NOTE System start codes are defined in ISO/IEC 14496-1:1999 */
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{ 0, 0, NULL }
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};
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static const value_string mp4ves_vop_coding_type_vals[] = {
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{ 0, "intra-coded (I)" },
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{ 1, "predictive-coded (P)" },
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{ 2, "bidirectionally-predictive-coded (B)" },
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{ 3, "sprite (S)" },
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{ 0, NULL }
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};
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2008-11-06 21:36:24 +00:00
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/*
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* FLC table for video_object_type indication
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*/
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static const value_string mp4ves_video_object_type_vals[] = {
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{ 0x0, "Reserved" },
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{ 0x1, "Simple Object Type" },
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{ 0x2, "Simple Scalable Object Type" },
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{ 0x3, "Core Object Type" },
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{ 0x4, "Main Object Type" },
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{ 0x5, "N-bit Object Type" },
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{ 0x6, "Basic Anim. 2D Texture" },
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{ 0x7, "Anim. 2D Mesh" },
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{ 0x8, "Simple Face" },
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{ 0x9, "Still Scalable Texture" },
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{ 0xa, "Advanced Real Time Simple" },
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{ 0xb, "Core Scalable" },
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{ 0xc, "Advanced Coding Efficiency" },
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{ 0xd, "Advanced Scalable Texture" },
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{ 0xe, "Simple FBA" },
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{ 0, NULL }
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};
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2008-06-04 20:34:42 +00:00
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#if 0
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To be called from packet-sdp.c
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void
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dissect_mp4ves_config(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *item;
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proto_tree *mp4ves_tree;
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int bit_offset = 0;
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guint32 dword;
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item = proto_tree_add_item(tree, hf_mp4ves_config, tvb, 0, -1, FALSE);
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mp4ves_tree = proto_item_add_subtree(item, ett_mp4ves_config);
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/* Get start code prefix */
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dword = tvb_get_bits32(tvb,bit_offset, 24, FALSE);
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if (dword == 1){
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}else{
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/* No start code prefix */
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return;
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}
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proto_tree_add_bits_item(tree, hf_mp4ves_start_code_prefix, tvb, bit_offset, 24, FALSE);
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bit_offset = bit_offset+24;
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/* We are byte aligned no stuffing */
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dword = tvb_get_bits8(tvb,bit_offset, 8);
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proto_tree_add_bits_item(tree, hf_mp4ves_start_code, tvb, bit_offset, 8, FALSE);
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}
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#endif
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void
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dissect_mp4ves(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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int bit_offset = 0;
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proto_item *item;
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proto_tree *mp4ves_tree;
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guint32 dword;
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/* Make entries in Protocol column and Info column on summary display */
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if (check_col(pinfo->cinfo, COL_PROTOCOL))
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "MP4V-ES");
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if (tree) {
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item = proto_tree_add_item(tree, proto_mp4ves, tvb, 0, -1, FALSE);
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mp4ves_tree = proto_item_add_subtree(item, ett_mp4ves);
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/*
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+------+------+------+------+
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(a) | RTP | VS | VO | VOL |
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|header|header|header|header|
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+------+------+------+------+
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+------+------+------+------+------------+
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(b) | RTP | VS | VO | VOL |Video Packet|
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|header|header|header|header| |
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+------+------+------+------+------------+
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+------+-----+------------------+
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(c) | RTP | GOV |Video Object Plane|
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|header| | |
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+------+-----+------------------+
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+------+------+------------+ +------+------+------------+
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(d) | RTP | VOP |Video Packet| | RTP | VP |Video Packet|
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|header|header| (1) | |header|header| (2) |
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+------+------+------------+ +------+------+------------+
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+------+------+------------+------+------------+------+------------+
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(e) | RTP | VP |Video Packet| VP |Video Packet| VP |Video Packet|
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|header|header| (1) |header| (2) |header| (3) |
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+------+------+------------+------+------------+------+------------+
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+------+------+------------+ +------+------------+
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(f) | RTP | VOP |VOP fragment| | RTP |VOP fragment|
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|header|header| (1) | |header| (2) | ___
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+------+------+------------+ +------+------------+
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Figure 2 - Examples of RTP packetized MPEG-4 Visual bitstream
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So a valid packet should start with
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VS - Visual Object Sequence Header
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GOV - Group_of_VideoObjectPlane
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VOP - Video Object Plane
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VP - Video Plane
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Otherwies it's a VOP fragment.
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visual_object_sequence_start_code: The visual_object_sequence_start_code is
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2008-06-05 20:00:36 +00:00
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the bit string '000001B0' in hexadecimal. It initiates a visual session.
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2008-06-04 20:34:42 +00:00
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2008-06-05 20:00:36 +00:00
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group_of_vop_start_code: The group_of_vop_start_code is the bit string '000001B3' in hexadecimal. It identifies
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2008-06-04 20:34:42 +00:00
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the beginning of a GOV header.
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2008-06-05 20:00:36 +00:00
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vop_start_code: This is the bit string '000001B6' in hexadecimal.
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2008-06-04 20:34:42 +00:00
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*/
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dword = tvb_get_bits32(tvb,bit_offset, 24, FALSE);
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if (dword != 1){
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/* if it's not 23 zeros followed by 1 it isn't a start code */
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proto_tree_add_text(tree, tvb, bit_offset>>3, -1, "Data");
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return;
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}
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proto_tree_add_bits_item(tree, hf_mp4ves_start_code_prefix, tvb, bit_offset, 24, FALSE);
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bit_offset = bit_offset+24;
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dword = tvb_get_bits8(tvb,bit_offset, 8);
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proto_tree_add_bits_item(tree, hf_mp4ves_start_code, tvb, bit_offset, 8, FALSE);
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bit_offset = bit_offset+8;
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switch(dword){
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/* vop_start_code */
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case 0xb6:
|
|
|
|
/* vop_coding_type 2 bits */
|
|
|
|
proto_tree_add_bits_item(tree, hf_mp4ves_vop_coding_type, tvb, bit_offset, 2, FALSE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
2008-11-06 21:36:24 +00:00
|
|
|
/*
|
|
|
|
* Parameter name profileAndLevel
|
|
|
|
* Parameter description This is a nonCollapsing GenericParameter
|
|
|
|
* Parameter identifier value 0
|
|
|
|
* Parameter status Mandatory
|
|
|
|
* Parameter type unsignedMax. Shall be in the range 0..255.
|
|
|
|
* H245:
|
|
|
|
* unsignedMax INTEGER(0..65535), -- Look for max
|
|
|
|
*/
|
|
|
|
static int
|
2008-11-06 21:54:20 +00:00
|
|
|
dissect_mp4ves_par_profile(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_)
|
2008-11-06 21:36:24 +00:00
|
|
|
{
|
|
|
|
int offset = 0;
|
|
|
|
guint16 lvl;
|
|
|
|
const gchar *p = NULL;
|
|
|
|
asn1_ctx_t *actx;
|
|
|
|
|
|
|
|
actx = get_asn1_ctx(pinfo->private_data);
|
|
|
|
DISSECTOR_ASSERT(actx);
|
|
|
|
|
|
|
|
lvl = tvb_get_ntohs(tvb, offset);
|
|
|
|
p = match_strval(lvl, VALS(mp4ves_level_indication_vals));
|
|
|
|
if (p) {
|
|
|
|
proto_item_append_text(actx->created_item, " - profileAndLevel %s", p);
|
|
|
|
}
|
|
|
|
offset += 2;
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
static int
|
2008-11-06 21:54:20 +00:00
|
|
|
dissect_mp4ves_par_video_object_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_)
|
2008-11-06 21:36:24 +00:00
|
|
|
{
|
|
|
|
int offset = 0;
|
|
|
|
guint16 lvl;
|
|
|
|
const gchar *p = NULL;
|
|
|
|
asn1_ctx_t *actx;
|
|
|
|
|
|
|
|
actx = get_asn1_ctx(pinfo->private_data);
|
|
|
|
DISSECTOR_ASSERT(actx);
|
|
|
|
|
|
|
|
lvl = tvb_get_ntohs(tvb, offset);
|
|
|
|
p = match_strval(lvl, VALS(mp4ves_video_object_type_vals));
|
|
|
|
if (p) {
|
|
|
|
proto_item_append_text(actx->created_item, " - video_object_type %s", p);
|
|
|
|
}
|
|
|
|
offset += 2;
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct _mp4ves_capability_t {
|
|
|
|
const gchar *id;
|
|
|
|
const gchar *name;
|
|
|
|
new_dissector_t content_pdu;
|
|
|
|
} mp4ves_capability_t;
|
|
|
|
|
|
|
|
static mp4ves_capability_t mp4ves_capability_tab[] = {
|
|
|
|
/* ITU-T H.245 capabilities ISO/IEC 14496-2(m*/
|
|
|
|
{ "GenericCapability/0.0.8.245.1.0.0/nonCollapsing/0", "profileAndLevel", dissect_mp4ves_par_profile },
|
|
|
|
{ "GenericCapability/0.0.8.245.1.0.0/nonCollapsing/1", "object", dissect_mp4ves_par_video_object_type },
|
|
|
|
{ NULL, NULL, NULL },
|
|
|
|
};
|
|
|
|
|
|
|
|
static mp4ves_capability_t *find_cap(const gchar *id) {
|
|
|
|
mp4ves_capability_t *ftr = NULL;
|
|
|
|
mp4ves_capability_t *f;
|
|
|
|
|
|
|
|
for (f=mp4ves_capability_tab; f->id; f++) {
|
|
|
|
if (!strcmp(id, f->id)) { ftr = f; break; }
|
|
|
|
}
|
|
|
|
return ftr;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
dissect_mp4ves_name(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree)
|
|
|
|
{
|
|
|
|
asn1_ctx_t *actx;
|
|
|
|
mp4ves_capability_t *ftr = NULL;
|
|
|
|
|
|
|
|
actx = get_asn1_ctx(pinfo->private_data);
|
|
|
|
DISSECTOR_ASSERT(actx);
|
|
|
|
if (tree) {
|
|
|
|
ftr = find_cap(pinfo->match_string);
|
|
|
|
if (ftr) {
|
|
|
|
proto_item_append_text(actx->created_item, " - %s", ftr->name);
|
|
|
|
proto_item_append_text(proto_item_get_parent(proto_tree_get_parent(tree)), ": %s", ftr->name);
|
|
|
|
} else {
|
|
|
|
proto_item_append_text(actx->created_item, " - unknown(%s)", pinfo->match_string);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2008-06-04 20:34:42 +00:00
|
|
|
|
|
|
|
void
|
|
|
|
proto_reg_handoff_mp4ves(void)
|
|
|
|
{
|
2008-09-03 16:42:35 +00:00
|
|
|
static dissector_handle_t mp4ves_handle;
|
|
|
|
static guint dynamic_payload_type;
|
|
|
|
static gboolean mp4ves_prefs_initialized = FALSE;
|
2008-06-04 20:34:42 +00:00
|
|
|
|
|
|
|
if (!mp4ves_prefs_initialized) {
|
2008-11-06 21:36:24 +00:00
|
|
|
dissector_handle_t mp4ves_name_handle;
|
|
|
|
mp4ves_capability_t *ftr;
|
|
|
|
|
2008-09-03 16:42:35 +00:00
|
|
|
mp4ves_handle = find_dissector("mp4ves");
|
|
|
|
dissector_add_string("rtp_dyn_payload_type","MP4V-ES", mp4ves_handle);
|
2008-06-04 20:34:42 +00:00
|
|
|
mp4ves_prefs_initialized = TRUE;
|
2008-11-06 21:36:24 +00:00
|
|
|
|
|
|
|
mp4ves_name_handle = create_dissector_handle(dissect_mp4ves_name, proto_mp4ves);
|
|
|
|
for (ftr=mp4ves_capability_tab; ftr->id; ftr++) {
|
|
|
|
if (ftr->name)
|
|
|
|
dissector_add_string("h245.gef.name", ftr->id, mp4ves_name_handle);
|
|
|
|
if (ftr->content_pdu)
|
|
|
|
dissector_add_string("h245.gef.content", ftr->id, new_create_dissector_handle(ftr->content_pdu, proto_mp4ves));
|
|
|
|
}
|
2008-06-04 20:34:42 +00:00
|
|
|
}else{
|
|
|
|
if ( dynamic_payload_type > 95 )
|
|
|
|
dissector_delete("rtp.pt", dynamic_payload_type, mp4ves_handle);
|
|
|
|
}
|
2008-09-03 16:42:35 +00:00
|
|
|
dynamic_payload_type = global_dynamic_payload_type;
|
2008-06-04 20:34:42 +00:00
|
|
|
|
|
|
|
if ( dynamic_payload_type > 95 ){
|
|
|
|
dissector_add("rtp.pt", dynamic_payload_type, mp4ves_handle);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-11-06 21:36:24 +00:00
|
|
|
|
2008-06-04 20:34:42 +00:00
|
|
|
void
|
|
|
|
proto_register_mp4ves(void)
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_mp4ves_config,
|
|
|
|
{ "Configuration", "mp4ves.configuration",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
"Configuration", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_mp4ves_start_code_prefix,
|
|
|
|
{ "start code prefix", "mp4ves.start_code_prefix",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
|
|
"start code prefix", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_mp4ves_start_code,
|
|
|
|
{ "Start code", "mp4ves.start_code",
|
|
|
|
FT_UINT32, BASE_HEX, RVALS(&mp4ves_startcode_vals), 0x0,
|
|
|
|
"Start code", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_mp4ves_vop_coding_type,
|
|
|
|
{ "vop_coding_type", "mp4ves.vop_coding_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(mp4ves_vop_coding_type_vals), 0x0,
|
|
|
|
"Start code", HFILL }
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Setup protocol subtree array */
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_mp4ves,
|
|
|
|
&ett_mp4ves_config,
|
|
|
|
};
|
|
|
|
|
|
|
|
module_t *mp4ves_module;
|
|
|
|
|
|
|
|
/* Register the protocol name and description */
|
|
|
|
proto_mp4ves = proto_register_protocol("MP4V-ES","MP4V-ES", "mp4v-es");
|
|
|
|
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
|
|
proto_register_field_array(proto_mp4ves, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* Register a configuration option for port */
|
|
|
|
|
|
|
|
register_dissector("mp4ves", dissect_mp4ves, proto_mp4ves);
|
|
|
|
|
|
|
|
/* Register a configuration option for port */
|
|
|
|
mp4ves_module = prefs_register_protocol(proto_mp4ves, proto_reg_handoff_mp4ves);
|
|
|
|
|
|
|
|
prefs_register_uint_preference(mp4ves_module, "dynamic.payload.type",
|
|
|
|
"MP4V-ES dynamic payload type",
|
|
|
|
"The dynamic payload type which will be interpreted as MP4V-ES",
|
|
|
|
10,
|
2008-09-03 16:42:35 +00:00
|
|
|
&global_dynamic_payload_type);
|
2008-06-04 20:34:42 +00:00
|
|
|
|
2008-06-04 20:53:06 +00:00
|
|
|
}
|