forked from osmocom/wireshark
Add AMR codec support
Change-Id: I5ec963b910f8f271aa2e5d680ea33e2170a6f367
This commit is contained in:
parent
f4ab3f492f
commit
0ac2c285e9
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@ -483,6 +483,11 @@ wireshark_LDADD = \
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if HAVE_SPEEXDSP
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if HAVE_SPEEXDSP
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wireshark_LDADD += $(SPEEXDSP_LIBS)
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wireshark_LDADD += $(SPEEXDSP_LIBS)
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endif
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endif
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if HAVE_AMRNB
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wireshark_LDADD += $(AMRNB_LIBS)
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endif
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endif # HAVE_Qt
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endif # HAVE_Qt
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if HAVE_GTK
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if HAVE_GTK
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@ -42,6 +42,10 @@ if !HAVE_SPEEXDSP
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libwscodecs_la_SOURCES += speex/resample.c
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libwscodecs_la_SOURCES += speex/resample.c
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endif
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endif
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if HAVE_AMRNB
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libwscodecs_la_SOURCES += amr/amrdecode.c
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endif
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# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
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# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
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libwscodecs_la_LDFLAGS = -version-info 0:0:0 @LDFLAGS_SHAREDLIB@
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libwscodecs_la_LDFLAGS = -version-info 0:0:0 @LDFLAGS_SHAREDLIB@
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@ -60,7 +64,8 @@ noinst_HEADERS = \
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sbc/sbc_private.h \
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sbc/sbc_private.h \
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speex/arch.h \
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speex/arch.h \
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speex/speex_resampler.h \
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speex/speex_resampler.h \
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speex/stack_alloc.h
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speex/stack_alloc.h \
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amr/amrdecode.h
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EXTRA_DIST = \
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EXTRA_DIST = \
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CMakeLists.txt \
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CMakeLists.txt \
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@ -0,0 +1,97 @@
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/* amrdecode.c
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* AMR codec
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <glib.h>
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#include <string.h>
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#include "amrdecode.h"
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#include <opencore-amrnb/interf_dec.h>
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void *
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codec_amr_init(void)
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{
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void *state;
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state = Decoder_Interface_init();
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return state;
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}
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void
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codec_amr_release(void *state)
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{
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Decoder_Interface_exit(state);
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}
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unsigned
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codec_amr_get_channels(void *ctx _U_)
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{
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return 1;
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}
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unsigned
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codec_amr_get_frequency(void *ctx _U_)
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{
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return 8000;
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}
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size_t
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codec_amr_decode(void *state, const void *input, size_t inputSizeBytes, void *output,
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size_t *outputSizeBytes)
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{
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int mode;
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unsigned packet_size;
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static const uint8_t block_size[16] = {12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0};
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/* First byte is CMR, second is the Payload TOC */
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mode = (((uint8_t *)input)[1] >> 3) & 0x0F;
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packet_size = block_size[mode] + 2;
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if (!output || !outputSizeBytes)
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return 160*2;
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*outputSizeBytes = 160 * 2; /* 160 frames, two byte per frame, 20ms */
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/* If the size is screwed up, insert silence */
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if (packet_size > inputSizeBytes) {
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memset(output, 0, *outputSizeBytes);
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return *outputSizeBytes;
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}
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Decoder_Interface_Decode(state, (const unsigned char *)input+1, (short *)output, 0);
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return *outputSizeBytes;
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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@ -0,0 +1,48 @@
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/* G726decode.h
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* Definitions for A-law G.722 codec
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __CODECS_AMRDECODE_H__
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#define __CODECS_AMRDECODE_H__
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#include <stdint.h>
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void *codec_amr_init(void);
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void codec_amr_release(void *ctx);
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unsigned codec_amr_get_channels(void *ctx);
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unsigned codec_amr_get_frequency(void *ctx);
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size_t codec_amr_decode(void *ctx, const void *input, size_t inputSizeBytes, void *output,
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size_t *outputSizeBytes);
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#endif /* AMRdecode.h */
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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@ -32,6 +32,10 @@
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#include "sbc/sbc_private.h"
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#include "sbc/sbc_private.h"
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#endif
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#endif
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#ifdef HAVE_AMRNB
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#include "amr/amrdecode.h"
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#endif
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#ifdef HAVE_PLUGINS
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#ifdef HAVE_PLUGINS
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#include <gmodule.h>
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#include <gmodule.h>
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@ -115,6 +119,11 @@ register_all_codecs(void)
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codec_sbc_get_channels, codec_sbc_get_frequency, codec_sbc_decode);
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codec_sbc_get_channels, codec_sbc_get_frequency, codec_sbc_decode);
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#endif
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#endif
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#ifdef HAVE_AMRNB
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register_codec("AMR", codec_amr_init, codec_amr_release,
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codec_amr_get_channels, codec_amr_get_frequency, codec_amr_decode);
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#endif
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g_slist_foreach(codec_plugins, register_codec_plugin, NULL);
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g_slist_foreach(codec_plugins, register_codec_plugin, NULL);
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}
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}
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#endif /* HAVE_PLUGINS */
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#endif /* HAVE_PLUGINS */
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10
configure.ac
10
configure.ac
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@ -2402,6 +2402,15 @@ AS_IF([test "x$have_speexdsp" = xyes],
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[AC_DEFINE(HAVE_SPEEXDSP, 1, [Define to 1 if you have SpeexDSP])])
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[AC_DEFINE(HAVE_SPEEXDSP, 1, [Define to 1 if you have SpeexDSP])])
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AM_CONDITIONAL(HAVE_SPEEXDSP, [test "x$have_speexdsp" = "xyes"])
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AM_CONDITIONAL(HAVE_SPEEXDSP, [test "x$have_speexdsp" = "xyes"])
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#
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# Check for AMR NB
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#
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AS_IF([test "x$have_qt_multimedia_lib" = xyes],
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[PKG_CHECK_MODULES(AMRNB, opencore-amrnb, [have_amrnb=yes], [have_amrnb=no])])
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AS_IF([test "x$have_amrnb" = xyes],
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[AC_DEFINE(HAVE_AMRNB, 1, [Define to 1 if you have AMRNB])])
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AM_CONDITIONAL(HAVE_AMRNB, [test "x$have_amrnb" = "xyes"])
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# Check Bluetooth SBC codec for RTP Player
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# Check Bluetooth SBC codec for RTP Player
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# git://git.kernel.org/pub/scm/bluetooth/sbc.git
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# git://git.kernel.org/pub/scm/bluetooth/sbc.git
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AC_ARG_WITH([sbc],
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AC_ARG_WITH([sbc],
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@ -3000,4 +3009,5 @@ echo " Use libssh library : $libssh_message"
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echo " Have ssh_userauth_agent : $ssh_userauth_agent_message"
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echo " Have ssh_userauth_agent : $ssh_userauth_agent_message"
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echo " Use nl library : $libnl_message"
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echo " Use nl library : $libnl_message"
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echo " Use SBC codec library : $have_sbc"
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echo " Use SBC codec library : $have_sbc"
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echo " Use AMRNB codec library : $have_amrnb"
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#echo " Use GDK-Pixbuf with GResource: $have_gresource_pixbuf"
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#echo " Use GDK-Pixbuf with GResource: $have_gresource_pixbuf"
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