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g729_pjsua2.6.patch
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g729_pjsua2.6.patch
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diff --git a/build.mak.in b/build.mak.in
index eb28663..1a52597 100644
--- a/build.mak.in
+++ b/build.mak.in
@@ -57,6 +57,9 @@ APP_THIRD_PARTY_LIB_FILES += $(PJ_DIR)/third_party/lib/libresample.$(SHLIB_SUFFI
endif
endif
+APP_THIRD_PARTY_LIBS += -lg729codec-$(TARGET_NAME)
+APP_THIRD_PARTY_LIB_FILES += $(PJ_DIR)/third_party/lib/libg729codec-$(LIB_SUFFIX)
+
ifneq (@ac_no_gsm_codec@,1)
ifeq (@ac_external_gsm@,1)
# External GSM library
diff --git a/pjmedia/build/Makefile b/pjmedia/build/Makefile
index 97ba731..14fa671 100644
--- a/pjmedia/build/Makefile
+++ b/pjmedia/build/Makefile
@@ -139,7 +139,7 @@ export PJMEDIA_CODEC_OBJS += audio_codecs.o ffmpeg_vid_codecs.o openh264.o \
h263_packetizer.o h264_packetizer.o \
$(OS_OBJS) $(M_OBJS) $(CC_OBJS) $(HOST_OBJS) \
ipp_codecs.o silk.o opus.o $(CODEC_OBJS) \
- g7221_sdp_match.o amr_sdp_match.o
+ g7221_sdp_match.o amr_sdp_match.o g729.o
export PJMEDIA_CODEC_CFLAGS += $(_CFLAGS) $(GSM_CFLAGS) $(SPEEX_CFLAGS) \
$(ILBC_CFLAGS) $(IPP_CFLAGS) $(G7221_CFLAGS)
export PJMEDIA_CODEC_CXXFLAGS += $(_CXXFLAGS) $(GSM_CFLAGS) $(SPEEX_CFLAGS) \
diff --git a/pjmedia/include/pjmedia-codec.h b/pjmedia/include/pjmedia-codec.h
index 256f127..90b9396 100644
--- a/pjmedia/include/pjmedia-codec.h
+++ b/pjmedia/include/pjmedia-codec.h
@@ -28,6 +28,7 @@
#include <pjmedia-codec/audio_codecs.h>
#include <pjmedia-codec/l16.h>
#include <pjmedia-codec/ffmpeg_vid_codecs.h>
+#include <pjmedia-codec/g729.h>
#include <pjmedia-codec/gsm.h>
#include <pjmedia-codec/speex.h>
#include <pjmedia-codec/ilbc.h>
diff --git a/pjmedia/include/pjmedia-codec/g729.h b/pjmedia/include/pjmedia-codec/g729.h
new file mode 100755
index 0000000..1477d6c
--- /dev/null
+++ b/pjmedia/include/pjmedia-codec/g729.h
@@ -0,0 +1,87 @@
+/* $Id: gsm.h 3553 2011-05-05 06:14:19Z nanang $ */
+/*
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef __PJMEDIA_CODEC_G729_H__
+#define __PJMEDIA_CODEC_G729_H__
+
+/**
+ * @file pjmedia-codec/g729.h
+ * @brief GSM 06.10 codec.
+ */
+
+#include <pjmedia-codec/types.h>
+
+/**
+ * @defgroup PJMED_GSM GSM 06.10 Codec
+ * @ingroup PJMEDIA_CODEC_CODECS
+ * @brief Implementation of GSM FR based on GSM 06.10 library
+ * @{
+ *
+ * This section describes functions to initialize and register GSM codec
+ * factory to the codec manager. After the codec factory has been registered,
+ * application can use @ref PJMEDIA_CODEC API to manipulate the codec.
+ *
+ * The GSM codec supports 16-bit PCM with sampling rate of 8000Hz resulting
+ * in 13.2kbps bitrate.
+ *
+ * \section codec_setting Codec Settings
+ *
+ * \subsection general_setting General Settings
+ *
+ * General codec settings for this codec such as VAD and PLC can be
+ * manipulated through the <tt>setting</tt> field in #pjmedia_codec_param.
+ * Please see the documentation of #pjmedia_codec_param for more info.
+ *
+ * \subsection specific_setting Codec Specific Settings
+ *
+ * Currently none.
+ */
+
+PJ_BEGIN_DECL
+
+
+/**
+ * Initialize and register GSM codec factory to pjmedia endpoint.
+ *
+ * @param endpt The pjmedia endpoint.
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_codec_g729_init( pjmedia_endpt *endpt );
+
+
+
+/**
+ * Unregister GSM codec factory from pjmedia endpoint and deinitialize
+ * the GSM codec library.
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_codec_g729_deinit(void);
+
+
+PJ_END_DECL
+
+
+/**
+ * @}
+ */
+
+#endif /* __PJMEDIA_CODEC_G729_H__ */
+
diff --git a/pjmedia/src/pjmedia-codec/audio_codecs.c b/pjmedia/src/pjmedia-codec/audio_codecs.c
index 9be00fc..5e22211 100644
--- a/pjmedia/src/pjmedia-codec/audio_codecs.c
+++ b/pjmedia/src/pjmedia-codec/audio_codecs.c
@@ -66,6 +66,10 @@ pjmedia_codec_register_audio_codecs(pjmedia_endpt *endpt,
return status;
#endif /* PJMEDIA_HAS_ILBC_CODEC */
+ status = pjmedia_codec_g729_init(endpt);
+ if (status != PJ_SUCCESS)
+ return status;
+
#if PJMEDIA_HAS_GSM_CODEC
/* Register GSM */
status = pjmedia_codec_gsm_init(endpt);
diff --git a/pjmedia/src/pjmedia-codec/g729.c b/pjmedia/src/pjmedia-codec/g729.c
new file mode 100755
index 0000000..aa8d584
--- /dev/null
+++ b/pjmedia/src/pjmedia-codec/g729.c
@@ -0,0 +1,631 @@
+/* $Id: gsm.c 3664 2011-07-19 03:42:28Z nanang $ */
+/*
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <pjmedia-codec/g729.h>
+#include <pjmedia/codec.h>
+#include <pjmedia/errno.h>
+#include <pjmedia/endpoint.h>
+#include <pjmedia/plc.h>
+#include <pjmedia/port.h>
+#include <pjmedia/silencedet.h>
+#include <pj/assert.h>
+#include <pj/pool.h>
+#include <pj/string.h>
+#include <pj/os.h>
+
+/*
+ * Only build this file if PJMEDIA_HAS_GSM_CODEC != 0
+ */
+#include "../../third_party/bcg729/include/bcg729/decoder.h"
+#include "../../third_party/bcg729/include/bcg729/encoder.h"
+
+/* We removed PLC in 0.6 (and re-enabled it again in 0.9!) */
+#define PLC_DISABLED 0
+
+
+/* Prototypes for GSM factory */
+static pj_status_t g729_test_alloc( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id );
+static pj_status_t g729_default_attr( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec_param *attr );
+static pj_status_t g729_enum_codecs( pjmedia_codec_factory *factory,
+ unsigned *count,
+ pjmedia_codec_info codecs[]);
+static pj_status_t g729_alloc_codec( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec **p_codec);
+static pj_status_t g729_dealloc_codec( pjmedia_codec_factory *factory,
+ pjmedia_codec *codec );
+
+/* Prototypes for GSM implementation. */
+static pj_status_t g729_codec_init( pjmedia_codec *codec,
+ pj_pool_t *pool );
+static pj_status_t g729_codec_open( pjmedia_codec *codec,
+ pjmedia_codec_param *attr );
+static pj_status_t g729_codec_close( pjmedia_codec *codec );
+static pj_status_t g729_codec_modify(pjmedia_codec *codec,
+ const pjmedia_codec_param *attr );
+static pj_status_t g729_codec_parse( pjmedia_codec *codec,
+ void *pkt,
+ pj_size_t pkt_size,
+ const pj_timestamp *ts,
+ unsigned *frame_cnt,
+ pjmedia_frame frames[]);
+static pj_status_t g729_codec_encode( pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output);
+static pj_status_t g729_codec_decode( pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output);
+#if !PLC_DISABLED
+static pj_status_t g729_codec_recover(pjmedia_codec *codec,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output);
+#endif
+
+/* Definition for GSM codec operations. */
+static pjmedia_codec_op g729_op =
+{
+ &g729_codec_init,
+ &g729_codec_open,
+ &g729_codec_close,
+ &g729_codec_modify,
+ &g729_codec_parse,
+ &g729_codec_encode,
+ &g729_codec_decode,
+ #if !PLC_DISABLED
+ &g729_codec_recover
+ #else
+ NULL
+ #endif
+};
+
+/* Definition for GSM codec factory operations. */
+static pjmedia_codec_factory_op g729_factory_op =
+{
+ &g729_test_alloc,
+ &g729_default_attr,
+ &g729_enum_codecs,
+ &g729_alloc_codec,
+ &g729_dealloc_codec,
+ &pjmedia_codec_g729_deinit
+};
+
+/* GSM factory */
+static struct g729_codec_factory
+{
+ pjmedia_codec_factory base;
+ pjmedia_endpt *endpt;
+ pj_pool_t *pool;
+ pj_mutex_t *mutex;
+ pjmedia_codec codec_list;
+} g729_codec_factory;
+
+/* GSM codec private data. */
+struct g729_data
+{
+ bcg729EncoderChannelContextStruct *encoder;
+ bcg729DecoderChannelContextStruct *decoder;
+ pj_bool_t plc_enabled;
+ #if !PLC_DISABLED
+ pjmedia_plc *plc;
+ #endif
+ pj_bool_t vad_enabled;
+ pjmedia_silence_det *vad;
+ pj_timestamp last_tx;
+};
+
+
+
+/*
+ * Initialize and register GSM codec factory to pjmedia endpoint.
+ */
+PJ_DEF(pj_status_t) pjmedia_codec_g729_init( pjmedia_endpt *endpt )
+{
+ pjmedia_codec_mgr *codec_mgr;
+ pj_status_t status;
+
+ if (g729_codec_factory.pool != NULL)
+ return PJ_SUCCESS;
+
+ /* Create GSM codec factory. */
+ g729_codec_factory.base.op = &g729_factory_op;
+ g729_codec_factory.base.factory_data = NULL;
+ g729_codec_factory.endpt = endpt;
+
+ g729_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "g729", 4000,
+ 4000);
+ if (!g729_codec_factory.pool)
+ return PJ_ENOMEM;
+
+ pj_list_init(&g729_codec_factory.codec_list);
+
+ /* Create mutex. */
+ status = pj_mutex_create_simple(g729_codec_factory.pool, "g729",
+ &g729_codec_factory.mutex);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Get the codec manager. */
+ codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
+ if (!codec_mgr) {
+ status = PJ_EINVALIDOP;
+ goto on_error;
+ }
+
+ /* Register codec factory to endpoint. */
+ status = pjmedia_codec_mgr_register_factory(codec_mgr,
+ &g729_codec_factory.base);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Done. */
+ return PJ_SUCCESS;
+
+ on_error:
+ pj_pool_release(g729_codec_factory.pool);
+ g729_codec_factory.pool = NULL;
+ return status;
+ }
+
+
+
+/*
+ * Unregister GSM codec factory from pjmedia endpoint and deinitialize
+ * the GSM codec library.
+ */
+PJ_DEF(pj_status_t) pjmedia_codec_g729_deinit(void)
+{
+ pjmedia_codec_mgr *codec_mgr;
+ pj_status_t status;
+
+ if (g729_codec_factory.pool == NULL)
+ return PJ_SUCCESS;
+
+ /* We don't want to deinit if there's outstanding codec. */
+ /* This is silly, as we'll always have codec in the list if
+ we ever allocate a codec! A better behavior maybe is to
+ deallocate all codecs in the list.
+ pj_mutex_lock(g729_codec_factory.mutex);
+ if (!pj_list_empty(&g729_codec_factory.codec_list)) {
+ pj_mutex_unlock(g729_codec_factory.mutex);
+ return PJ_EBUSY;
+ }
+ */
+
+ /* Get the codec manager. */
+ codec_mgr = pjmedia_endpt_get_codec_mgr(g729_codec_factory.endpt);
+ if (!codec_mgr) {
+ pj_pool_release(g729_codec_factory.pool);
+ g729_codec_factory.pool = NULL;
+ return PJ_EINVALIDOP;
+ }
+
+ /* Unregister GSM codec factory. */
+ status = pjmedia_codec_mgr_unregister_factory(codec_mgr,
+ &g729_codec_factory.base);
+
+ /* Destroy mutex. */
+ pj_mutex_destroy(g729_codec_factory.mutex);
+
+ /* Destroy pool. */
+ pj_pool_release(g729_codec_factory.pool);
+ g729_codec_factory.pool = NULL;
+
+ return status;
+}
+
+/*
+ * Check if factory can allocate the specified codec.
+ */
+static pj_status_t g729_test_alloc( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *info )
+{
+ PJ_UNUSED_ARG(factory);
+
+ /* Check payload type. */
+ if (info->pt != PJMEDIA_RTP_PT_G729)
+ return PJMEDIA_CODEC_EUNSUP;
+
+ /* Ignore the rest, since it's static payload type. */
+
+ return PJ_SUCCESS;
+ }
+
+/*
+ * Generate default attribute.
+ */
+static pj_status_t g729_default_attr (pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec_param *attr )
+{
+ PJ_UNUSED_ARG(factory);
+ PJ_UNUSED_ARG(id);
+
+ pj_bzero(attr, sizeof(pjmedia_codec_param));
+ attr->info.clock_rate = 8000;
+ attr->info.channel_cnt = 1;
+ attr->info.avg_bps = 8000;
+ attr->info.max_bps = 8000;
+ attr->info.pcm_bits_per_sample = 16;
+ attr->info.frm_ptime = 10;
+ attr->info.pt = PJMEDIA_RTP_PT_G729;
+
+ attr->setting.frm_per_pkt = 2;
+ attr->setting.vad = 1;
+ #if !PLC_DISABLED
+ attr->setting.plc = 1;
+ #endif
+
+ /* Default all other flag bits disabled. */
+
+ return PJ_SUCCESS;
+ }
+
+/*
+ * Enum codecs supported by this factory (i.e. only GSM!).
+ */
+static pj_status_t g729_enum_codecs(pjmedia_codec_factory *factory,
+ unsigned *count,
+ pjmedia_codec_info codecs[])
+{
+ PJ_UNUSED_ARG(factory);
+ PJ_ASSERT_RETURN(codecs && *count > 0, PJ_EINVAL);
+
+ pj_bzero(&codecs[0], sizeof(pjmedia_codec_info));
+ codecs[0].encoding_name = pj_str("G729");
+ codecs[0].pt = PJMEDIA_RTP_PT_G729;
+ codecs[0].type = PJMEDIA_TYPE_AUDIO;
+ codecs[0].clock_rate = 8000;
+ codecs[0].channel_cnt = 1;
+
+ *count = 1;
+
+ return PJ_SUCCESS;
+}
+
+/*
+ * Allocate a new GSM codec instance.
+ */
+static pj_status_t g729_alloc_codec( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec **p_codec)
+{
+ pjmedia_codec *codec;
+ struct g729_data *g729_data;
+ pj_status_t status;
+
+ PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
+ PJ_ASSERT_RETURN(factory == &g729_codec_factory.base, PJ_EINVAL);
+
+
+ pj_mutex_lock(g729_codec_factory.mutex);
+
+ /* Get free nodes, if any. */
+ if (!pj_list_empty(&g729_codec_factory.codec_list)) {
+ codec = g729_codec_factory.codec_list.next;
+ pj_list_erase(codec);
+ } else {
+ codec = PJ_POOL_ZALLOC_T(g729_codec_factory.pool, pjmedia_codec);
+ PJ_ASSERT_RETURN(codec != NULL, PJ_ENOMEM);
+ codec->op = &g729_op;
+ codec->factory = factory;
+
+ g729_data = PJ_POOL_ZALLOC_T(g729_codec_factory.pool, struct g729_data);
+ codec->codec_data = g729_data;
+
+ #if !PLC_DISABLED
+ /* Create PLC */
+ status = pjmedia_plc_create(g729_codec_factory.pool, 8000,
+ 80, 0, &g729_data->plc);
+ if (status != PJ_SUCCESS) {
+ pj_mutex_unlock(g729_codec_factory.mutex);
+ return status;
+ }
+ #endif
+
+ /* Create silence detector */
+ status = pjmedia_silence_det_create(g729_codec_factory.pool,
+ 8000, 80,
+ &g729_data->vad);
+ if (status != PJ_SUCCESS) {
+ pj_mutex_unlock(g729_codec_factory.mutex);
+ return status;
+ }
+ }
+
+ pj_mutex_unlock(g729_codec_factory.mutex);
+
+ *p_codec = codec;
+ return PJ_SUCCESS;
+}
+
+/*
+ * Free codec.
+ */
+static pj_status_t g729_dealloc_codec( pjmedia_codec_factory *factory,
+ pjmedia_codec *codec )
+{
+ struct g729_data *g729_data;
+ int i;
+
+ PJ_ASSERT_RETURN(factory && codec, PJ_EINVAL);
+ PJ_ASSERT_RETURN(factory == &g729_codec_factory.base, PJ_EINVAL);
+
+ g729_data = (struct g729_data*) codec->codec_data;
+
+ /* Close codec, if it's not closed. */
+ g729_codec_close(codec);
+
+ #if !PLC_DISABLED
+ /* Clear left samples in the PLC, since codec+plc will be reused
+ * next time.
+ */
+ for (i=0; i<2; ++i) {
+ pj_int16_t frame[80];
+ pjmedia_zero_samples(frame, PJ_ARRAY_SIZE(frame));
+ pjmedia_plc_save(g729_data->plc, frame);
+ }
+ #else
+ PJ_UNUSED_ARG(i);
+ #endif
+
+ /* Re-init silence_period */
+ pj_set_timestamp32(&g729_data->last_tx, 0, 0);
+
+ /* Put in the free list. */
+ pj_mutex_lock(g729_codec_factory.mutex);
+ pj_list_push_front(&g729_codec_factory.codec_list, codec);
+ pj_mutex_unlock(g729_codec_factory.mutex);
+
+ return PJ_SUCCESS;
+}
+
+/*
+ * Init codec.
+ */
+static pj_status_t g729_codec_init( pjmedia_codec *codec,
+ pj_pool_t *pool )
+{
+ PJ_UNUSED_ARG(codec);
+ PJ_UNUSED_ARG(pool);
+ return PJ_SUCCESS;
+}
+
+/*
+ * Open codec.
+ */
+static pj_status_t g729_codec_open( pjmedia_codec *codec,
+ pjmedia_codec_param *attr )
+{
+ struct g729_data *g729_data = (struct g729_data*) codec->codec_data;
+
+ pj_assert(g729_data != NULL);
+ pj_assert(g729_data->encoder == NULL && g729_data->decoder == NULL);
+
+ g729_data->encoder = initBcg729EncoderChannel();
+ if (!g729_data->encoder)
+ return PJMEDIA_CODEC_EFAILED;
+
+ g729_data->decoder = initBcg729DecoderChannel();
+ if (!g729_data->decoder)
+ return PJMEDIA_CODEC_EFAILED;
+
+ g729_data->vad_enabled = (attr->setting.vad != 0);
+ g729_data->plc_enabled = (attr->setting.plc != 0);
+
+ return PJ_SUCCESS;
+}
+
+/*
+ * Close codec.
+ */
+static pj_status_t g729_codec_close( pjmedia_codec *codec )
+{
+ struct g729_data *g729_data = (struct g729_data*) codec->codec_data;
+
+ pj_assert(g729_data != NULL);
+
+ if (g729_data->encoder) {
+ closeBcg729EncoderChannel(g729_data->encoder);
+ g729_data->encoder = NULL;
+ }
+ if (g729_data->decoder) {
+ closeBcg729DecoderChannel(g729_data->decoder);
+ g729_data->decoder = NULL;
+ }
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Modify codec settings.
+ */
+static pj_status_t g729_codec_modify(pjmedia_codec *codec,
+ const pjmedia_codec_param *attr )
+{
+ struct g729_data *g729_data = (struct g729_data*) codec->codec_data;
+
+ pj_assert(g729_data != NULL);
+ pj_assert(g729_data->encoder != NULL && g729_data->decoder != NULL);
+
+ g729_data->vad_enabled = (attr->setting.vad != 0);
+ g729_data->plc_enabled = (attr->setting.plc != 0);
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Get frames in the packet.
+ */
+static pj_status_t g729_codec_parse( pjmedia_codec *codec,
+ void *pkt,
+ pj_size_t pkt_size,
+ const pj_timestamp *ts,
+ unsigned *frame_cnt,
+ pjmedia_frame frames[])
+{
+ unsigned count = 0;
+
+ PJ_UNUSED_ARG(codec);
+
+ PJ_ASSERT_RETURN(frame_cnt, PJ_EINVAL);
+
+ while (pkt_size >= 10 && count < *frame_cnt) {
+ frames[count].type = PJMEDIA_FRAME_TYPE_AUDIO;
+ frames[count].buf = pkt;
+ frames[count].size = 10;
+ frames[count].timestamp.u64 = ts->u64 + count * 80;
+
+ pkt = ((char*)pkt) + 10;
+ pkt_size -= 10;
+
+ ++count;
+ }
+
+ *frame_cnt = count;
+ return PJ_SUCCESS;
+}
+
+/*
+ * Encode frame.
+ */
+static pj_status_t g729_codec_encode( pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output)
+{
+ struct g729_data *g729_data = (struct g729_data*) codec->codec_data;
+ pj_int16_t *pcm_in;
+ unsigned in_size;
+
+ pj_assert(g729_data && input && output);
+
+ pcm_in = (pj_int16_t*)input->buf;
+ in_size = input->size;
+
+ PJ_ASSERT_RETURN(in_size % 160 == 0, PJMEDIA_CODEC_EPCMFRMINLEN);
+ PJ_ASSERT_RETURN(output_buf_len >= 10 * in_size/160,
+ PJMEDIA_CODEC_EFRMTOOSHORT);
+
+ /* Detect silence */
+ if (g729_data->vad_enabled) {
+ pj_bool_t is_silence;
+ pj_int32_t silence_duration;
+
+ silence_duration = pj_timestamp_diff32(&g729_data->last_tx,
+ &input->timestamp);
+
+ is_silence = pjmedia_silence_det_detect(g729_data->vad,
+ (const pj_int16_t*) input->buf,
+ (input->size >> 1),
+ NULL);
+ if (is_silence &&
+ (PJMEDIA_CODEC_MAX_SILENCE_PERIOD == -1 ||
+ silence_duration < PJMEDIA_CODEC_MAX_SILENCE_PERIOD*8000/1000))
+ {
+ output->type = PJMEDIA_FRAME_TYPE_NONE;
+ output->buf = NULL;
+ output->size = 0;
+ output->timestamp = input->timestamp;
+ return PJ_SUCCESS;
+ } else {
+ g729_data->last_tx = input->timestamp;
+ }
+ }
+
+ /* Encode */
+ output->size = 0;
+ while (in_size >= 160) {
+ bcg729Encoder(g729_data->encoder, pcm_in,
+ (unsigned char*)output->buf + output->size);
+ pcm_in += 80;
+ output->size += 10;
+ in_size -= 160;
+ }
+
+ output->type = PJMEDIA_FRAME_TYPE_AUDIO;
+ output->timestamp = input->timestamp;
+
+ return PJ_SUCCESS;
+}
+
+/*
+ * Decode frame.
+ */
+static pj_status_t g729_codec_decode( pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output)
+{
+ struct g729_data *g729_data = (struct g729_data*) codec->codec_data;
+
+ pj_assert(g729_data != NULL);
+ PJ_ASSERT_RETURN(input && output, PJ_EINVAL);
+
+ if (output_buf_len < 160)
+ return PJMEDIA_CODEC_EPCMTOOSHORT;
+
+ if (input->size < 10)
+ return PJMEDIA_CODEC_EFRMTOOSHORT;
+
+ bcg729Decoder(g729_data->decoder,
+ (unsigned char*)input->buf,
+ 0, /*frame erasure flag*/
+ (short*)output->buf);
+
+ output->size = 160;
+ output->type = PJMEDIA_FRAME_TYPE_AUDIO;
+ output->timestamp = input->timestamp;
+
+ #if !PLC_DISABLED
+ if (g729_data->plc_enabled)
+ pjmedia_plc_save( g729_data->plc, (pj_int16_t*)output->buf);
+ #endif
+
+ return PJ_SUCCESS;
+}
+
+
+#if !PLC_DISABLED
+/*
+ * Recover lost frame.
+ */
+static pj_status_t g729_codec_recover(pjmedia_codec *codec,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output)
+{
+ struct g729_data *g729_data = (struct g729_data*) codec->codec_data;
+
+ PJ_ASSERT_RETURN(g729_data->plc_enabled, PJ_EINVALIDOP);
+
+ PJ_ASSERT_RETURN(output_buf_len >= 160, PJMEDIA_CODEC_EPCMTOOSHORT);
+
+ pjmedia_plc_generate(g729_data->plc, (pj_int16_t*)output->buf);
+ output->size = 160;
+
+ return PJ_SUCCESS;
+}
+#endif
+
diff --git a/third_party/bcg729/include/LP2LSPConversion.h b/third_party/bcg729/include/LP2LSPConversion.h
new file mode 100755
index 0000000..761b61b
--- /dev/null
+++ b/third_party/bcg729/include/LP2LSPConversion.h
@@ -0,0 +1,34 @@
+/*
+ LP2LSPConversion.h
+
+ Copyright (C) 2011 Belledonne Communications, Grenoble, France
+ Author : Johan Pascal
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef LP2LSPCONVERSION_H
+#define LP2LSPCONVERSION_H
+/*****************************************************************************/
+/* LP2LSPConversion : Compute polynomials, find their roots as in spec A3.2.3*/
+/* parameters: */
+/* -(i) LPCoefficients[] : 10 coefficients in Q12 */
+/* -(o) LSPCoefficients[] : 10 coefficients in Q15 */
+/* */
+/* return value : */
+/* - boolean: 1 if all roots found, 0 if unable to compute 10 roots */
+/* */
+/*****************************************************************************/
+int LP2LSPConversion(word16_t LPCoefficients[], word16_t LSPCoefficients[]);
+#endif /* ifndef LP2LSPCONVERSION_H */
diff --git a/third_party/bcg729/include/LPSynthesisFilter.h b/third_party/bcg729/include/LPSynthesisFilter.h
new file mode 100755
index 0000000..d4c66a5
--- /dev/null
+++ b/third_party/bcg729/include/LPSynthesisFilter.h
@@ -0,0 +1,34 @@
+/*
+ LPSynthesisFilter.h
+
+ Copyright (C) 2011 Belledonne Communications, Grenoble, France
+ Author : Johan Pascal
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef LPSYNTHESISFILTER_H
+#define LPSYNTHESISFILTER_H
+/*****************************************************************************/
+/* LPSynthesisFilter : as decribed in spec 4.1.6 eq77 */
+/* parameters: */
+/* -(i) excitationVector: u(n), the excitation, 40 values in Q0 */
+/* -(i) LPCoefficients: 10 LP coefficients in Q12 */
+/* -(i/o) recontructedSpeech: 50 values in Q0 */
+/* [-NB_LSP_COEFF, -1] of previous values as input */
+/* [0, L_SUBFRAME[ as output */
+/* */
+/*****************************************************************************/
+void LPSynthesisFilter (word16_t *excitationVector, word16_t *LPCoefficients, word16_t *reconstructedSpeech);
+#endif /* ifndef LPSYNTHESISFILTER_H */
diff --git a/third_party/bcg729/include/LSPQuantization.h b/third_party/bcg729/include/LSPQuantization.h
new file mode 100755
index 0000000..7a6168b
--- /dev/null
+++ b/third_party/bcg729/include/LSPQuantization.h
@@ -0,0 +1,36 @@
+/*
+ LSPQuantization.h
+
+ Copyright (C) 2011 Belledonne Communications, Grenoble, France
+ Author : Johan Pascal
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef LSPQUANTIZATION_H
+#define LSPQUANTIZATION_H
+void initLSPQuantization(bcg729EncoderChannelContextStruct *encoderChannelContext);
+
+/*****************************************************************************/
+/* LSPQuantization : Convert LSP to LSF, Quantize LSF and find L parameters, */
+/* qLSF->qLSP as described in spec A3.2.4 */
+/* parameters: */
+/* -(i/o) encoderChannelContext : the channel context data */
+/* -(i) LSPCoefficients : 10 LSP coefficients in Q15 */
+/* -(i) qLSPCoefficients : 10 qLSP coefficients in Q15 */
+/* -(o) parameters : 4 parameters L0, L1, L2, L3 */
+/* */
+/*****************************************************************************/
+void LSPQuantization(bcg729EncoderChannelContextStruct *encoderChannelContext, word16_t LSPCoefficients[], word16_t qLSPCoefficients[], uint16_t parameters[]);
+#endif /* LSPQUANTIZATION_H */
diff --git a/third_party/bcg729/include/adaptativeCodebookSearch.h b/third_party/bcg729/include/adaptativeCodebookSearch.h
new file mode 100755
index 0000000..c148cc7
--- /dev/null
+++ b/third_party/bcg729/include/adaptativeCodebookSearch.h
@@ -0,0 +1,49 @@
+/*
+ adaptativeCodebookSearch.h
+
+ Copyright (C) 2011 Belledonne Communications, Grenoble, France
+ Author : Johan Pascal
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef ADAPTATIVECODEBOOKSEARCH_H
+#define ADAPTATIVECODEBOOKSEARCH_H
+/*****************************************************************************/
+/* adaptativeCodebookSearch: compute parameter P1 and P2 as in spec A.3.7 */
+/* compute also adaptative codebook vector as in spec 3.7.1 */
+/* parameters: */
+/* -(i/o) excitationVector: [-154,0[ previous excitation as input */
+/* Range [0,39[ */
+/* 40 words of LPResidualSignal as substitute for current */
+/* excitation (spec A.3.7) as input */
+/* 40 words of adaptative codebook vector in Q0 as output */
+/* Buffer in Q0 accessed in range [-154, 39] */
+/* -(i/o) intPitchDelayMin: low boundary for pitch delay search */
+/* -(i/o) intPitchDelayMax: low boundary for pitch delay search */
+/* Boundaries are updated during first subframe search */
+/* -(i) impulseResponse: 40 values as in spec A.3.5 in Q12 */
+/* -(i) targetSignal: 40 values as in spec A.3.6 in Q0 */
+/* */
+/* -(o) intPitchDelay: the integer pitch delay */
+/* -(o) fracPitchDelay: the fractionnal part of pitch delay */
+/* -(o) pitchDelayCodeword: P1 or P2 codeword as in spec 3.7.2 */
+/* -(o) adaptativeCodebookVector: 40 words of adaptative codebook vector*/
+/* as described in spec 3.7.1, in Q0. */
+/* -(i) subFrameIndex: 0 for the first subframe, 40 for the second */
+/* */
+/*****************************************************************************/
+void adaptativeCodebookSearch(word16_t excitationVector[], int16_t *intPitchDelayMin, int16_t *intPitchDelayMax, word16_t impulseResponse[], word16_t targetSignal[],
+ int16_t *intPitchDelay, int16_t *fracPitchDelay, uint16_t *pitchDelayCodeword, uint16_t subFrameIndex);
+#endif /* ifndef ADAPTATIVECODEBOOKSEARCH_H */
diff --git a/third_party/bcg729/include/basicOperationsMacros.h b/third_party/bcg729/include/basicOperationsMacros.h
new file mode 100755
index 0000000..b48c505
--- /dev/null
+++ b/third_party/bcg729/include/basicOperationsMacros.h
@@ -0,0 +1,26 @@
+/*
+ basicOperationsMacros.h
+
+ Copyright (C) 2011 Belledonne Communications, Grenoble, France
+ Author : Johan Pascal
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef BASICOPERATIONSMACROS_H
+#define BASICOPERATIONSMACROS__H
+
+#include "fixedPointMacros.h"
+
+#endif /* ifndef BASICOPERATIONSMACROS_H */
diff --git a/third_party/bcg729/include/bcg729/decoder.h b/third_party/bcg729/include/bcg729/decoder.h
new file mode 100755
index 0000000..cae1fa2
--- /dev/null
+++ b/third_party/bcg729/include/bcg729/decoder.h
@@ -0,0 +1,52 @@
+/*