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-rw-r--r--pjmedia/src/pjmedia-codec/audio_codecs.c15
-rw-r--r--pjmedia/src/pjmedia-codec/ffmpeg_vid_codecs.c17
-rw-r--r--pjmedia/src/pjmedia-codec/opencore_amr.c (renamed from pjmedia/src/pjmedia-codec/opencore_amrnb.c)402
-rw-r--r--pjmedia/src/pjmedia-codec/silk.c953
4 files changed, 1276 insertions, 111 deletions
diff --git a/pjmedia/src/pjmedia-codec/audio_codecs.c b/pjmedia/src/pjmedia-codec/audio_codecs.c
index caf63e5..0c21821 100644
--- a/pjmedia/src/pjmedia-codec/audio_codecs.c
+++ b/pjmedia/src/pjmedia-codec/audio_codecs.c
@@ -1,4 +1,4 @@
-/* $Id: audio_codecs.c 3910 2011-12-15 06:34:25Z nanang $ */
+/* $Id: audio_codecs.c 4335 2013-01-29 08:09:15Z ming $ */
/*
* Copyright (C) 2011-2011 Teluu Inc. (http://www.teluu.com)
*
@@ -107,9 +107,16 @@ pjmedia_codec_register_audio_codecs(pjmedia_endpt *endpt,
return status;
#endif /* PJMEDIA_HAS_L16_CODEC */
-#if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC
- /* Register OpenCORE AMR-NB */
- status = pjmedia_codec_opencore_amrnb_init(endpt);
+#if PJMEDIA_HAS_OPENCORE_AMRNB_CODEC || PJMEDIA_HAS_OPENCORE_AMRWB_CODEC
+ /* Register OpenCORE AMR */
+ status = pjmedia_codec_opencore_amr_init(endpt, 0);
+ if (status != PJ_SUCCESS)
+ return status;
+#endif
+
+#if PJMEDIA_HAS_SILK_CODEC
+ /* Register SILK */
+ status = pjmedia_codec_silk_init(endpt);
if (status != PJ_SUCCESS)
return status;
#endif
diff --git a/pjmedia/src/pjmedia-codec/ffmpeg_vid_codecs.c b/pjmedia/src/pjmedia-codec/ffmpeg_vid_codecs.c
index d0e87ef..a71a2cc 100644
--- a/pjmedia/src/pjmedia-codec/ffmpeg_vid_codecs.c
+++ b/pjmedia/src/pjmedia-codec/ffmpeg_vid_codecs.c
@@ -1,4 +1,4 @@
-/* $Id: ffmpeg_vid_codecs.c 4089 2012-04-26 07:27:06Z nanang $ */
+/* $Id: ffmpeg_vid_codecs.c 4311 2012-12-20 06:45:09Z nanang $ */
/*
* Copyright (C) 2010-2011 Teluu Inc. (http://www.teluu.com)
*
@@ -62,11 +62,16 @@
#endif
#if LIBAVCODEC_VER_AT_LEAST(53,61)
-/* Not sure when AVCodec::encode2 is introduced. It appears in
- * libavcodec 53.61 where some codecs actually still use AVCodec::encode
- * (e.g: H263, H264).
- */
-# define AVCODEC_HAS_ENCODE(c) (c->encode || c->encode2)
+# if LIBAVCODEC_VER_AT_LEAST(54,59)
+ /* Not sure when AVCodec::encode is obsoleted/removed. */
+# define AVCODEC_HAS_ENCODE(c) (c->encode2)
+# else
+ /* Not sure when AVCodec::encode2 is introduced. It appears in
+ * libavcodec 53.61 where some codecs actually still use AVCodec::encode
+ * (e.g: H263, H264).
+ */
+# define AVCODEC_HAS_ENCODE(c) (c->encode || c->encode2)
+# endif
# define AV_OPT_SET(obj,name,val,opt) (av_opt_set(obj,name,val,opt)==0)
# define AV_OPT_SET_INT(obj,name,val) (av_opt_set_int(obj,name,val,0)==0)
#else
diff --git a/pjmedia/src/pjmedia-codec/opencore_amrnb.c b/pjmedia/src/pjmedia-codec/opencore_amr.c
index 9b6daa9..ccfcc2e 100644
--- a/pjmedia/src/pjmedia-codec/opencore_amrnb.c
+++ b/pjmedia/src/pjmedia-codec/opencore_amr.c
@@ -1,6 +1,6 @@
-/* $Id: opencore_amrnb.c 3939 2012-01-10 05:38:40Z nanang $ */
+/* $Id: opencore_amr.c 4348 2013-02-14 02:00:13Z ming $ */
/*
- * Copyright (C) 2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2011-2013 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2011 Dan Arrhenius <dan@keystream.se>
*
* This program is free software; you can redistribute it and/or modify
@@ -19,7 +19,7 @@
*/
/*
- * AMR-NB codec implementation with OpenCORE AMRNB library
+ * AMR codec implementation with OpenCORE AMR library
*/
#include <pjmedia-codec/g722.h>
#include <pjmedia-codec/amr_sdp_match.h>
@@ -38,13 +38,30 @@
#if defined(PJMEDIA_HAS_OPENCORE_AMRNB_CODEC) && \
(PJMEDIA_HAS_OPENCORE_AMRNB_CODEC != 0)
+#define USE_AMRNB
+#endif
+
+#if defined(PJMEDIA_HAS_OPENCORE_AMRWB_CODEC) && \
+ (PJMEDIA_HAS_OPENCORE_AMRWB_CODEC != 0)
+#define USE_AMRWB
+#endif
+#if defined(USE_AMRNB) || defined(USE_AMRWB)
+
+#ifdef USE_AMRNB
#include <opencore-amrnb/interf_enc.h>
#include <opencore-amrnb/interf_dec.h>
+#endif
+
+#ifdef USE_AMRWB
+#include <vo-amrwbenc/enc_if.h>
+#include <opencore-amrwb/dec_if.h>
+#endif
+
#include <pjmedia-codec/amr_helper.h>
-#include <pjmedia-codec/opencore_amrnb.h>
+#include <pjmedia-codec/opencore_amr.h>
-#define THIS_FILE "opencore_amrnb.c"
+#define THIS_FILE "opencore_amr.c"
/* Tracing */
#define PJ_TRACE 0
@@ -58,9 +75,10 @@
/* Use PJMEDIA PLC */
#define USE_PJMEDIA_PLC 1
+#define FRAME_LENGTH_MS 20
-/* Prototypes for AMR-NB factory */
+/* Prototypes for AMR factory */
static pj_status_t amr_test_alloc(pjmedia_codec_factory *factory,
const pjmedia_codec_info *id );
static pj_status_t amr_default_attr(pjmedia_codec_factory *factory,
@@ -75,7 +93,7 @@ static pj_status_t amr_alloc_codec(pjmedia_codec_factory *factory,
static pj_status_t amr_dealloc_codec(pjmedia_codec_factory *factory,
pjmedia_codec *codec );
-/* Prototypes for AMR-NB implementation. */
+/* Prototypes for AMR implementation. */
static pj_status_t amr_codec_init(pjmedia_codec *codec,
pj_pool_t *pool );
static pj_status_t amr_codec_open(pjmedia_codec *codec,
@@ -103,7 +121,7 @@ static pj_status_t amr_codec_recover(pjmedia_codec *codec,
-/* Definition for AMR-NB codec operations. */
+/* Definition for AMR codec operations. */
static pjmedia_codec_op amr_op =
{
&amr_codec_init,
@@ -116,7 +134,7 @@ static pjmedia_codec_op amr_op =
&amr_codec_recover
};
-/* Definition for AMR-NB codec factory operations. */
+/* Definition for AMR codec factory operations. */
static pjmedia_codec_factory_op amr_factory_op =
{
&amr_test_alloc,
@@ -124,23 +142,25 @@ static pjmedia_codec_factory_op amr_factory_op =
&amr_enum_codecs,
&amr_alloc_codec,
&amr_dealloc_codec,
- &pjmedia_codec_opencore_amrnb_deinit
+ &pjmedia_codec_opencore_amr_deinit
};
-/* AMR-NB factory */
+/* AMR factory */
static struct amr_codec_factory
{
pjmedia_codec_factory base;
pjmedia_endpt *endpt;
pj_pool_t *pool;
+ pj_bool_t init[2];
} amr_codec_factory;
-/* AMR-NB codec private data. */
+/* AMR codec private data. */
struct amr_data
{
pj_pool_t *pool;
+ unsigned clock_rate;
void *encoder;
void *decoder;
pj_bool_t plc_enabled;
@@ -154,18 +174,38 @@ struct amr_data
pj_timestamp last_tx;
};
-static pjmedia_codec_amrnb_config def_config =
+/* Index for AMR tables. */
+enum
{
+ IDX_AMR_NB, /* Index for narrowband. */
+ IDX_AMR_WB /* Index for wideband. */
+};
+
+static pjmedia_codec_amr_config def_config[2] =
+{{ /* AMR-NB */
PJ_FALSE, /* octet align */
5900 /* bitrate */
-};
+ },
+ { /* AMR-WB */
+ PJ_FALSE, /* octet align */
+ 12650 /* bitrate */
+ }};
+static const pj_uint16_t* amr_bitrates[2] =
+ {pjmedia_codec_amrnb_bitrates, pjmedia_codec_amrwb_bitrates};
+
+static const unsigned amr_bitrates_size[2] =
+{
+ PJ_ARRAY_SIZE(pjmedia_codec_amrnb_bitrates),
+ PJ_ARRAY_SIZE(pjmedia_codec_amrwb_bitrates)
+};
/*
- * Initialize and register AMR-NB codec factory to pjmedia endpoint.
+ * Initialize and register AMR codec factory to pjmedia endpoint.
*/
-PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_init( pjmedia_endpt *endpt )
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amr_init( pjmedia_endpt *endpt,
+ unsigned options)
{
pjmedia_codec_mgr *codec_mgr;
pj_str_t codec_name;
@@ -174,12 +214,22 @@ PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_init( pjmedia_endpt *endpt )
if (amr_codec_factory.pool != NULL)
return PJ_SUCCESS;
- /* Create AMR-NB codec factory. */
+ /* Create AMR codec factory. */
amr_codec_factory.base.op = &amr_factory_op;
amr_codec_factory.base.factory_data = NULL;
amr_codec_factory.endpt = endpt;
+#ifdef USE_AMRNB
+ amr_codec_factory.init[IDX_AMR_NB] = ((options & PJMEDIA_AMR_NO_NB) == 0);
+#else
+ amr_codec_factory.init[IDX_AMR_NB] = PJ_FALSE;
+#endif
+#ifdef USE_AMRWB
+ amr_codec_factory.init[IDX_AMR_WB] = ((options & PJMEDIA_AMR_NO_WB) == 0);
+#else
+ amr_codec_factory.init[IDX_AMR_WB] = PJ_FALSE;
+#endif
- amr_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "amrnb", 1000,
+ amr_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "amr", 1000,
1000);
if (!amr_codec_factory.pool)
return PJ_ENOMEM;
@@ -214,16 +264,30 @@ on_error:
return status;
}
+PJ_DEF(pj_status_t)
+pjmedia_codec_opencore_amr_init_default( pjmedia_endpt *endpt )
+{
+ return pjmedia_codec_opencore_amr_init(endpt, 0);
+}
+
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_init( pjmedia_endpt *endpt )
+{
+ return pjmedia_codec_opencore_amr_init(endpt, PJMEDIA_AMR_NO_WB);
+}
+
/*
- * Unregister AMR-NB codec factory from pjmedia endpoint and deinitialize
- * the AMR-NB codec library.
+ * Unregister AMR codec factory from pjmedia endpoint and deinitialize
+ * the AMR codec library.
*/
-PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_deinit(void)
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amr_deinit(void)
{
pjmedia_codec_mgr *codec_mgr;
pj_status_t status;
+ amr_codec_factory.init[IDX_AMR_NB] = PJ_FALSE;
+ amr_codec_factory.init[IDX_AMR_WB] = PJ_FALSE;
+
if (amr_codec_factory.pool == NULL)
return PJ_SUCCESS;
@@ -235,7 +299,7 @@ PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_deinit(void)
return PJ_EINVALIDOP;
}
- /* Unregister AMR-NB codec factory. */
+ /* Unregister AMR codec factory. */
status = pjmedia_codec_mgr_unregister_factory(codec_mgr,
&amr_codec_factory.base);
@@ -246,50 +310,93 @@ PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_deinit(void)
return status;
}
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_deinit(void)
+{
+ if (amr_codec_factory.init[IDX_AMR_NB] &&
+ amr_codec_factory.init[IDX_AMR_WB])
+ {
+ PJ_LOG(4, (THIS_FILE, "Should call "
+ "pjmedia_codec_opencore_amr_deinit() instead"));
+
+ return PJ_EINVALIDOP;
+ }
+
+ return pjmedia_codec_opencore_amr_deinit();
+}
-PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_set_config(
- const pjmedia_codec_amrnb_config *config)
+static pj_status_t
+amr_set_config(unsigned idx, const pjmedia_codec_amr_config *config)
{
unsigned nbitrates;
-
- def_config = *config;
+ def_config[idx] = *config;
/* Normalize bitrate. */
- nbitrates = PJ_ARRAY_SIZE(pjmedia_codec_amrnb_bitrates);
- if (def_config.bitrate < pjmedia_codec_amrnb_bitrates[0])
- def_config.bitrate = pjmedia_codec_amrnb_bitrates[0];
- else if (def_config.bitrate > pjmedia_codec_amrnb_bitrates[nbitrates-1])
- def_config.bitrate = pjmedia_codec_amrnb_bitrates[nbitrates-1];
- else
+ nbitrates = amr_bitrates_size[idx];
+ if (def_config[idx].bitrate < amr_bitrates[idx][0]) {
+ def_config[idx].bitrate = amr_bitrates[idx][0];
+ } else if (def_config[idx].bitrate > amr_bitrates[idx][nbitrates-1]) {
+ def_config[idx].bitrate = amr_bitrates[idx][nbitrates-1];
+ } else
{
unsigned i;
for (i = 0; i < nbitrates; ++i) {
- if (def_config.bitrate <= pjmedia_codec_amrnb_bitrates[i])
+ if (def_config[idx].bitrate <= amr_bitrates[idx][i])
break;
}
- def_config.bitrate = pjmedia_codec_amrnb_bitrates[i];
+ def_config[idx].bitrate = amr_bitrates[idx][i];
}
return PJ_SUCCESS;
}
-/*
- * Check if factory can allocate the specified codec.
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_set_config(
+ const pjmedia_codec_amrnb_config *config)
+{
+ return amr_set_config(IDX_AMR_NB, (const pjmedia_codec_amr_config *)config);
+}
+
+PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrwb_set_config(
+ const pjmedia_codec_amrwb_config *config)
+{
+ return amr_set_config(IDX_AMR_WB, (const pjmedia_codec_amr_config *)config);
+}
+
+/*
+ * Check if factory can allocate the specified codec.
*/
static pj_status_t amr_test_alloc( pjmedia_codec_factory *factory,
const pjmedia_codec_info *info )
{
+ const pj_str_t amr_tag = { "AMR", 3};
+ const pj_str_t amrwb_tag = { "AMR-WB", 6};
PJ_UNUSED_ARG(factory);
+ /* Type MUST be audio. */
+ if (info->type != PJMEDIA_TYPE_AUDIO)
+ return PJMEDIA_CODEC_EUNSUP;
+
/* Check payload type. */
- if (info->pt != PJMEDIA_RTP_PT_AMR)
+ if (info->pt != PJMEDIA_RTP_PT_AMR && info->pt != PJMEDIA_RTP_PT_AMRWB)
return PJMEDIA_CODEC_EUNSUP;
+
+ /* Check encoding name. */
+ if (pj_stricmp(&info->encoding_name, &amr_tag) != 0 &&
+ pj_stricmp(&info->encoding_name, &amrwb_tag) != 0)
+ {
+ return PJMEDIA_CODEC_EUNSUP;
+ }
+
+ /* Check clock-rate */
+ if ((info->clock_rate == 8000 && amr_codec_factory.init[IDX_AMR_NB]) ||
+ (info->clock_rate == 16000 && amr_codec_factory.init[IDX_AMR_WB]))
+ {
+ return PJ_SUCCESS;
+ }
- /* Ignore the rest, since it's static payload type. */
-
- return PJ_SUCCESS;
+ /* Unsupported or disabled. */
+ return PJMEDIA_CODEC_EUNSUP;
}
/*
@@ -299,23 +406,25 @@ static pj_status_t amr_default_attr( pjmedia_codec_factory *factory,
const pjmedia_codec_info *id,
pjmedia_codec_param *attr )
{
+ unsigned idx;
+
PJ_UNUSED_ARG(factory);
- PJ_UNUSED_ARG(id);
+ idx = (id->clock_rate <= 8000? IDX_AMR_NB: IDX_AMR_WB);
pj_bzero(attr, sizeof(pjmedia_codec_param));
- attr->info.clock_rate = 8000;
+ attr->info.clock_rate = (id->clock_rate <= 8000? 8000: 16000);
attr->info.channel_cnt = 1;
- attr->info.avg_bps = def_config.bitrate;
- attr->info.max_bps = pjmedia_codec_amrnb_bitrates[7];
+ attr->info.avg_bps = def_config[idx].bitrate;
+ attr->info.max_bps = amr_bitrates[idx][amr_bitrates_size[idx]-1];
attr->info.pcm_bits_per_sample = 16;
attr->info.frm_ptime = 20;
- attr->info.pt = PJMEDIA_RTP_PT_AMR;
+ attr->info.pt = (pj_uint8_t)id->pt;
attr->setting.frm_per_pkt = 2;
attr->setting.vad = 1;
attr->setting.plc = 1;
- if (def_config.octet_align) {
+ if (def_config[idx].octet_align) {
attr->setting.dec_fmtp.cnt = 1;
attr->setting.dec_fmtp.param[0].name = pj_str("octet-align");
attr->setting.dec_fmtp.param[0].val = pj_str("1");
@@ -328,7 +437,7 @@ static pj_status_t amr_default_attr( pjmedia_codec_factory *factory,
/*
- * Enum codecs supported by this factory (i.e. only AMR-NB!).
+ * Enum codecs supported by this factory (i.e. AMR-NB and AMR-WB).
*/
static pj_status_t amr_enum_codecs( pjmedia_codec_factory *factory,
unsigned *count,
@@ -337,21 +446,34 @@ static pj_status_t amr_enum_codecs( pjmedia_codec_factory *factory,
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("AMR");
- codecs[0].pt = PJMEDIA_RTP_PT_AMR;
- codecs[0].type = PJMEDIA_TYPE_AUDIO;
- codecs[0].clock_rate = 8000;
- codecs[0].channel_cnt = 1;
+ *count = 0;
- *count = 1;
+ if (amr_codec_factory.init[IDX_AMR_NB]) {
+ pj_bzero(&codecs[*count], sizeof(pjmedia_codec_info));
+ codecs[*count].encoding_name = pj_str("AMR");
+ codecs[*count].pt = PJMEDIA_RTP_PT_AMR;
+ codecs[*count].type = PJMEDIA_TYPE_AUDIO;
+ codecs[*count].clock_rate = 8000;
+ codecs[*count].channel_cnt = 1;
+ (*count)++;
+ }
+
+ if (amr_codec_factory.init[IDX_AMR_WB]) {
+ pj_bzero(&codecs[*count], sizeof(pjmedia_codec_info));
+ codecs[*count].encoding_name = pj_str("AMR-WB");
+ codecs[*count].pt = PJMEDIA_RTP_PT_AMRWB;
+ codecs[*count].type = PJMEDIA_TYPE_AUDIO;
+ codecs[*count].clock_rate = 16000;
+ codecs[*count].channel_cnt = 1;
+ (*count)++;
+ }
return PJ_SUCCESS;
}
/*
- * Allocate a new AMR-NB codec instance.
+ * Allocate a new AMR codec instance.
*/
static pj_status_t amr_alloc_codec( pjmedia_codec_factory *factory,
const pjmedia_codec_info *id,
@@ -365,7 +487,7 @@ static pj_status_t amr_alloc_codec( pjmedia_codec_factory *factory,
PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
PJ_ASSERT_RETURN(factory == &amr_codec_factory.base, PJ_EINVAL);
- pool = pjmedia_endpt_create_pool(amr_codec_factory.endpt, "amrnb-inst",
+ pool = pjmedia_endpt_create_pool(amr_codec_factory.endpt, "amr-inst",
512, 512);
codec = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);
@@ -379,7 +501,9 @@ static pj_status_t amr_alloc_codec( pjmedia_codec_factory *factory,
#if USE_PJMEDIA_PLC
/* Create PLC */
- status = pjmedia_plc_create(pool, 8000, 160, 0, &amr_data->plc);
+ status = pjmedia_plc_create(pool, id->clock_rate,
+ id->clock_rate * FRAME_LENGTH_MS / 1000, 0,
+ &amr_data->plc);
if (status != PJ_SUCCESS) {
return status;
}
@@ -437,12 +561,14 @@ static pj_status_t amr_codec_open( pjmedia_codec *codec,
pj_uint8_t octet_align = 0;
pj_int8_t enc_mode;
const pj_str_t STR_FMTP_OCTET_ALIGN = {"octet-align", 11};
+ unsigned idx;
PJ_ASSERT_RETURN(codec && attr, PJ_EINVAL);
PJ_ASSERT_RETURN(amr_data != NULL, PJ_EINVALIDOP);
+ idx = (attr->info.clock_rate <= 8000? IDX_AMR_NB: IDX_AMR_WB);
enc_mode = pjmedia_codec_amr_get_mode(attr->info.avg_bps);
- pj_assert(enc_mode >= 0 && enc_mode <= 7);
+ pj_assert(enc_mode >= 0 && enc_mode < amr_bitrates_size[idx]);
/* Check octet-align */
for (i = 0; i < attr->setting.dec_fmtp.cnt; ++i) {
@@ -476,7 +602,7 @@ static pj_status_t amr_codec_open( pjmedia_codec *codec,
p = pj_strbuf(&attr->setting.enc_fmtp.param[i].val);
l = pj_strlen(&attr->setting.enc_fmtp.param[i].val);
while (l--) {
- if (*p>='0' && *p<='7') {
+ if (*p>='0' && *p<=('0'+amr_bitrates_size[idx]-1)) {
pj_int8_t tmp = *p - '0' - enc_mode;
if (PJ_ABS(diff) > PJ_ABS(tmp) ||
@@ -496,38 +622,56 @@ static pj_status_t amr_codec_open( pjmedia_codec *codec,
}
}
+ amr_data->clock_rate = attr->info.clock_rate;
amr_data->vad_enabled = (attr->setting.vad != 0);
amr_data->plc_enabled = (attr->setting.plc != 0);
amr_data->enc_mode = enc_mode;
- amr_data->encoder = Encoder_Interface_init(amr_data->vad_enabled);
+ if (idx == IDX_AMR_NB) {
+#ifdef USE_AMRNB
+ amr_data->encoder = Encoder_Interface_init(amr_data->vad_enabled);
+#endif
+ } else {
+#ifdef USE_AMRWB
+ amr_data->encoder = E_IF_init();
+#endif
+ }
if (amr_data->encoder == NULL) {
- TRACE_((THIS_FILE, "Encoder_Interface_init() failed"));
+ TRACE_((THIS_FILE, "Encoder initialization failed"));
amr_codec_close(codec);
return PJMEDIA_CODEC_EFAILED;
}
setting = &amr_data->enc_setting;
pj_bzero(setting, sizeof(pjmedia_codec_amr_pack_setting));
- setting->amr_nb = 1;
+ setting->amr_nb = (idx == IDX_AMR_NB? 1: 0);
setting->reorder = 0;
setting->octet_aligned = octet_align;
setting->cmr = 15;
- amr_data->decoder = Decoder_Interface_init();
+ if (idx == IDX_AMR_NB) {
+#ifdef USE_AMRNB
+ amr_data->decoder = Decoder_Interface_init();
+#endif
+ } else {
+#ifdef USE_AMRWB
+ amr_data->decoder = D_IF_init();
+#endif
+ }
if (amr_data->decoder == NULL) {
- TRACE_((THIS_FILE, "Decoder_Interface_init() failed"));
+ TRACE_((THIS_FILE, "Decoder initialization failed"));
amr_codec_close(codec);
return PJMEDIA_CODEC_EFAILED;
}
setting = &amr_data->dec_setting;
pj_bzero(setting, sizeof(pjmedia_codec_amr_pack_setting));
- setting->amr_nb = 1;
+ setting->amr_nb = (idx == IDX_AMR_NB? 1: 0);
setting->reorder = 0;
setting->octet_aligned = octet_align;
- TRACE_((THIS_FILE, "AMR-NB codec allocated: vad=%d, plc=%d, bitrate=%d",
+ TRACE_((THIS_FILE, "AMR codec allocated: clockrate=%d vad=%d, plc=%d,"
+ " bitrate=%d", amr_data->clock_rate,
amr_data->vad_enabled, amr_data->plc_enabled,
- pjmedia_codec_amrnb_bitrates[amr_data->enc_mode]));
+ amr_bitrates[idx][amr_data->enc_mode]));
return PJ_SUCCESS;
}
@@ -545,16 +689,32 @@ static pj_status_t amr_codec_close( pjmedia_codec *codec )
PJ_ASSERT_RETURN(amr_data != NULL, PJ_EINVALIDOP);
if (amr_data->encoder) {
- Encoder_Interface_exit(amr_data->encoder);
+ if (amr_data->enc_setting.amr_nb) {
+#ifdef USE_AMRNB
+ Encoder_Interface_exit(amr_data->encoder);
+#endif
+ } else {
+#ifdef USE_AMRWB
+ E_IF_exit(amr_data->encoder);
+#endif
+ }
amr_data->encoder = NULL;
}
if (amr_data->decoder) {
- Decoder_Interface_exit(amr_data->decoder);
+ if (amr_data->dec_setting.amr_nb) {
+#ifdef USE_AMRNB
+ Decoder_Interface_exit(amr_data->decoder);
+#endif
+ } else {
+#ifdef USE_AMRWB
+ D_IF_exit(amr_data->decoder);
+#endif
+ }
amr_data->decoder = NULL;
}
- TRACE_((THIS_FILE, "AMR-NB codec closed"));
+ TRACE_((THIS_FILE, "AMR codec closed"));
return PJ_SUCCESS;
}
@@ -575,11 +735,15 @@ static pj_status_t amr_codec_modify( pjmedia_codec *codec,
amr_data->vad_enabled = (attr->setting.vad != 0);
amr_data->plc_enabled = (attr->setting.plc != 0);
- if (prev_vad_state != amr_data->vad_enabled) {
+ if (amr_data->enc_setting.amr_nb &&
+ prev_vad_state != amr_data->vad_enabled)
+ {
/* Reinit AMR encoder to update VAD setting */
TRACE_((THIS_FILE, "Reiniting AMR encoder to update VAD setting."));
+#ifdef USE_AMRNB
Encoder_Interface_exit(amr_data->encoder);
amr_data->encoder = Encoder_Interface_init(amr_data->vad_enabled);
+#endif
if (amr_data->encoder == NULL) {
TRACE_((THIS_FILE, "Encoder_Interface_init() failed"));
amr_codec_close(codec);
@@ -587,7 +751,7 @@ static pj_status_t amr_codec_modify( pjmedia_codec *codec,
}
}
- TRACE_((THIS_FILE, "AMR-NB codec modified: vad=%d, plc=%d",
+ TRACE_((THIS_FILE, "AMR codec modified: vad=%d, plc=%d",
amr_data->vad_enabled, amr_data->plc_enabled));
return PJ_SUCCESS;
}
@@ -606,6 +770,7 @@ static pj_status_t amr_codec_parse( pjmedia_codec *codec,
struct amr_data *amr_data = (struct amr_data*) codec->codec_data;
pj_uint8_t cmr;
pj_status_t status;
+ unsigned idx = (amr_data->enc_setting.amr_nb? 0: 1);
status = pjmedia_codec_amr_parse(pkt, pkt_size, ts, &amr_data->dec_setting,
frames, frame_cnt, &cmr);
@@ -613,11 +778,11 @@ static pj_status_t amr_codec_parse( pjmedia_codec *codec,
return status;
/* Check for Change Mode Request. */
- if (cmr <= 7 && amr_data->enc_mode != cmr) {
+ if (cmr < amr_bitrates_size[idx] && amr_data->enc_mode != cmr) {
amr_data->enc_mode = cmr;
- TRACE_((THIS_FILE, "AMR-NB encoder switched mode to %d (%dbps)",
- amr_data->enc_mode,
- pjmedia_codec_amrnb_bitrates[amr_data->enc_mode]));
+ TRACE_((THIS_FILE, "AMR encoder switched mode to %d (%dbps)",
+ amr_data->enc_mode,
+ amr_bitrates[idx][amr_data->enc_mode]));
}
return PJ_SUCCESS;
@@ -649,7 +814,7 @@ static pj_status_t amr_codec_encode( pjmedia_codec *codec,
PJ_ASSERT_RETURN(input && output, PJ_EINVAL);
nsamples = input->size >> 1;
- samples_per_frame = 160;
+ samples_per_frame = amr_data->clock_rate * FRAME_LENGTH_MS / 1000;
PJ_ASSERT_RETURN(nsamples % samples_per_frame == 0,
PJMEDIA_CODEC_EPCMFRMINLEN);
@@ -661,20 +826,30 @@ static pj_status_t amr_codec_encode( pjmedia_codec *codec,
speech = (pj_int16_t*)input->buf;
bitstream = (unsigned char*)output->buf;
while (nsamples >= samples_per_frame) {
- size = Encoder_Interface_Encode (amr_data->encoder, amr_data->enc_mode,
- speech, bitstream, 0);
+ if (amr_data->enc_setting.amr_nb) {
+#ifdef USE_AMRNB
+ size = Encoder_Interface_Encode (amr_data->encoder,
+ amr_data->enc_mode,
+ speech, bitstream, 0);
+#endif
+ } else {
+#ifdef USE_AMRWB
+ size = E_IF_encode (amr_data->encoder, amr_data->enc_mode,
+ speech, bitstream, 0);
+#endif
+ }
if (size == 0) {
output->size = 0;
output->buf = NULL;
output->type = PJMEDIA_FRAME_TYPE_NONE;
- TRACE_((THIS_FILE, "AMR-NB encode() failed"));
+ TRACE_((THIS_FILE, "AMR encode() failed"));
return PJMEDIA_CODEC_EFAILED;
}
- nsamples -= 160;
+ nsamples -= samples_per_frame;
speech += samples_per_frame;
bitstream += size;
out_size += size;
- TRACE_((THIS_FILE, "AMR-NB encode(): mode=%d, size=%d",
+ TRACE_((THIS_FILE, "AMR encode(): mode=%d, size=%d",
amr_data->enc_mode, out_size));
}
@@ -690,8 +865,13 @@ static pj_status_t amr_codec_encode( pjmedia_codec *codec,
info->mode = (pj_int8_t)amr_data->enc_mode;
info->start_bit = 0;
frames[i].buf = p + 1;
- frames[i].size = (info->frame_type <= 8)?
- pjmedia_codec_amrnb_framelen[info->frame_type] : 0;
+ if (amr_data->enc_setting.amr_nb) {
+ frames[i].size = (info->frame_type <= 8)?
+ pjmedia_codec_amrnb_framelen[info->frame_type] : 0;
+ } else {
+ frames[i].size = (info->frame_type <= 9)?
+ pjmedia_codec_amrwb_framelen[info->frame_type] : 0;
+ }
p += frames[i].size + 1;
/* Count the number of SID and DTX frames */
@@ -713,7 +893,8 @@ static pj_status_t amr_codec_encode( pjmedia_codec *codec,
dtx_duration = pj_timestamp_diff32(&amr_data->last_tx,
&input->timestamp);
if (PJMEDIA_CODEC_MAX_SILENCE_PERIOD == -1 ||
- dtx_duration < PJMEDIA_CODEC_MAX_SILENCE_PERIOD*8000/1000)
+ dtx_duration < PJMEDIA_CODEC_MAX_SILENCE_PERIOD*
+ amr_data->clock_rate/1000)
{
output->size = 0;
output->type = PJMEDIA_FRAME_TYPE_NONE;
@@ -755,31 +936,43 @@ static pj_status_t amr_codec_decode( pjmedia_codec *codec,
struct amr_data *amr_data = (struct amr_data*) codec->codec_data;
pjmedia_frame input_;
pjmedia_codec_amr_bit_info *info;
- /* VA AMR-NB decoding buffer: AMR-NB max frame size + 1 byte header. */
- unsigned char bitstream[32];
+ unsigned out_size;
+ /* AMR decoding buffer: AMR max frame size + 1 byte header. */
+ unsigned char bitstream[61];
pj_assert(amr_data != NULL);
PJ_ASSERT_RETURN(input && output, PJ_EINVAL);
- if (output_buf_len < 320)
+ out_size = amr_data->clock_rate * FRAME_LENGTH_MS / 1000 * 2;
+ if (output_buf_len < out_size)
return PJMEDIA_CODEC_EPCMTOOSHORT;
input_.buf = &bitstream[1];
- input_.size = 31; /* AMR-NB max frame size */
+ /* AMR max frame size */
+ input_.size = (amr_data->dec_setting.amr_nb? 31: 60);
pjmedia_codec_amr_predecode(input, &amr_data->dec_setting, &input_);
info = (pjmedia_codec_amr_bit_info*)&input_.bit_info;
- /* VA AMRNB decoder requires frame info in the first byte. */
+ /* VA AMR decoder requires frame info in the first byte. */
bitstream[0] = (info->frame_type << 3) | (info->good_quality << 2);
- TRACE_((THIS_FILE, "AMR-NB decode(): mode=%d, ft=%d, size=%d",
+ TRACE_((THIS_FILE, "AMR decode(): mode=%d, ft=%d, size=%d",
info->mode, info->frame_type, input_.size));
/* Decode */
- Decoder_Interface_Decode(amr_data->decoder, bitstream,
- (pj_int16_t*)output->buf, 0);
+ if (amr_data->dec_setting.amr_nb) {
+#ifdef USE_AMRNB
+ Decoder_Interface_Decode(amr_data->decoder, bitstream,
+ (pj_int16_t*)output->buf, 0);
+#endif
+ } else {
+#ifdef USE_AMRWB
+ D_IF_decode(amr_data->decoder, bitstream,
+ (pj_int16_t*)output->buf, 0);
+#endif
+ }
- output->size = 320;
+ output->size = out_size;
output->type = PJMEDIA_FRAME_TYPE_AUDIO;
output->timestamp = input->timestamp;
@@ -804,16 +997,17 @@ static pj_status_t amr_codec_recover( pjmedia_codec *codec,
struct pjmedia_frame *output)
{
struct amr_data *amr_data = codec->codec_data;
+ unsigned out_size = amr_data->clock_rate * FRAME_LENGTH_MS / 1000 * 2;
TRACE_((THIS_FILE, "amr_codec_recover"));
PJ_ASSERT_RETURN(amr_data->plc_enabled, PJ_EINVALIDOP);
- PJ_ASSERT_RETURN(output_buf_len >= 320, PJMEDIA_CODEC_EPCMTOOSHORT);
+ PJ_ASSERT_RETURN(output_buf_len >= out_size, PJMEDIA_CODEC_EPCMTOOSHORT);
pjmedia_plc_generate(amr_data->plc, (pj_int16_t*)output->buf);
- output->size = 320;
+ output->size = out_size;
output->type = PJMEDIA_FRAME_TYPE_AUDIO;
return PJ_SUCCESS;
@@ -821,11 +1015,17 @@ static pj_status_t amr_codec_recover( pjmedia_codec *codec,
#endif
#if defined(_MSC_VER) && PJMEDIA_AUTO_LINK_OPENCORE_AMR_LIBS
-# if PJMEDIA_OPENCORE_AMR_BUILT_WITH_GCC
-# pragma comment( lib, "libopencore-amrnb.a")
-# else
-# error Unsupported OpenCORE AMR library, fix here
-# endif
+# if PJMEDIA_OPENCORE_AMR_BUILT_WITH_GCC
+# ifdef USE_AMRNB
+# pragma comment( lib, "libopencore-amrnb.a")
+# endif
+# ifdef USE_AMRWB
+# pragma comment( lib, "libopencore-amrwb.a")
+# pragma comment( lib, "libvo-amrwbenc.a")
+# endif
+# else
+# error Unsupported OpenCORE AMR library, fix here
+# endif
#endif
#endif
diff --git a/pjmedia/src/pjmedia-codec/silk.c b/pjmedia/src/pjmedia-codec/silk.c
new file mode 100644
index 0000000..75ee7ca
--- /dev/null
+++ b/pjmedia/src/pjmedia-codec/silk.c
@@ -0,0 +1,953 @@
+/* $Id: silk.c 4339 2013-01-31 05:23:46Z ming $ */
+/*
+ * Copyright (C) 2012-2012 Teluu Inc. (http://www.teluu.com)
+ * Contributed by Regis Montoya (aka r3gis - www.r3gis.fr)
+ *
+ * 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/silk.h>
+#include <pjmedia/codec.h>
+#include <pjmedia/delaybuf.h>
+#include <pjmedia/endpoint.h>
+#include <pjmedia/errno.h>
+#include <pjmedia/port.h>
+#include <pj/pool.h>
+#include <pj/string.h>
+#include <pj/assert.h>
+#include <pj/log.h>
+
+#if defined(PJMEDIA_HAS_SILK_CODEC) && (PJMEDIA_HAS_SILK_CODEC!=0)
+
+#include "SKP_Silk_SDK_API.h"
+
+#define THIS_FILE "silk.c"
+
+#ifndef PJMEDIA_SILK_DELAY_BUF_OPTIONS
+ #define PJMEDIA_SILK_DELAY_BUF_OPTIONS PJMEDIA_DELAY_BUF_SIMPLE_FIFO
+#endif
+
+#define FRAME_LENGTH_MS 20
+#define SILK_ENC_CTL_PACKET_LOSS_PCT 10
+#define SILK_MIN_BITRATE 5000
+#define CALC_BITRATE_QUALITY(quality, max_br) \
+ (quality * max_br / 10)
+#define CALC_BITRATE(max_br) \
+ CALC_BITRATE_QUALITY(PJMEDIA_CODEC_SILK_DEFAULT_QUALITY, \
+ max_br);
+
+
+/* Prototypes for SILK factory */
+static pj_status_t silk_test_alloc( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id );
+static pj_status_t silk_default_attr( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec_param *attr );
+static pj_status_t silk_enum_codecs ( pjmedia_codec_factory *factory,
+ unsigned *count,
+ pjmedia_codec_info codecs[]);
+static pj_status_t silk_alloc_codec( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec **p_codec);
+static pj_status_t silk_dealloc_codec( pjmedia_codec_factory *factory,
+ pjmedia_codec *codec );
+
+/* Prototypes for SILK implementation. */
+static pj_status_t silk_codec_init( pjmedia_codec *codec,
+ pj_pool_t *pool );
+static pj_status_t silk_codec_open( pjmedia_codec *codec,
+ pjmedia_codec_param *attr );
+static pj_status_t silk_codec_close( pjmedia_codec *codec );
+static pj_status_t silk_codec_modify( pjmedia_codec *codec,
+ const pjmedia_codec_param *attr );
+static pj_status_t silk_codec_parse( pjmedia_codec *codec,
+ void *pkt,
+ pj_size_t pkt_size,
+ const pj_timestamp *timestamp,
+ unsigned *frame_cnt,
+ pjmedia_frame frames[]);
+static pj_status_t silk_codec_encode( pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output);
+static pj_status_t silk_codec_decode( pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output);
+static pj_status_t silk_codec_recover( pjmedia_codec *codec,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output);
+
+
+typedef enum
+{
+ PARAM_NB, /* Index for narrowband parameter. */
+ PARAM_MB, /* Index for medium parameter. */
+ PARAM_WB, /* Index for wideband parameter. */
+ PARAM_SWB, /* Index for super-wideband parameter */
+} silk_mode;
+
+
+/* Silk default parameter */
+typedef struct silk_param
+{
+ int enabled; /* Is this mode enabled? */
+ int pt; /* Payload type. */
+ unsigned clock_rate; /* Default sampling rate to be used. */
+ pj_uint16_t ptime; /* packet length (in ms). */
+ pj_uint32_t bitrate; /* Bit rate for current mode. */
+ pj_uint32_t max_bitrate; /* Max bit rate for current mode. */
+ int complexity; /* Complexity mode: 0/lowest to 2. */
+} silk_param;
+
+
+/* Definition for SILK codec operations. */
+static pjmedia_codec_op silk_op =
+{
+ &silk_codec_init,
+ &silk_codec_open,
+ &silk_codec_close,
+ &silk_codec_modify,
+ &silk_codec_parse,
+ &silk_codec_encode,
+ &silk_codec_decode,
+ &silk_codec_recover
+};
+
+/* Definition for SILK codec factory operations. */
+static pjmedia_codec_factory_op silk_factory_op =
+{
+ &silk_test_alloc,
+ &silk_default_attr,
+ &silk_enum_codecs,
+ &silk_alloc_codec,
+ &silk_dealloc_codec,
+ &pjmedia_codec_silk_deinit
+};
+
+
+/* SILK factory private data */
+static struct silk_factory
+{
+ pjmedia_codec_factory base;
+ pjmedia_endpt *endpt;
+ pj_pool_t *pool;
+ pj_mutex_t *mutex;
+ struct silk_param silk_param[4];
+} silk_factory;
+
+
+/* SILK codec private data. */
+typedef struct silk_private
+{
+ silk_mode mode; /**< Silk mode. */
+ pj_pool_t *pool; /**< Pool for each instance. */
+ unsigned samples_per_frame;
+ pj_uint8_t pcm_bytes_per_sample;
+
+ pj_bool_t enc_ready;
+ SKP_SILK_SDK_EncControlStruct enc_ctl;
+ void *enc_st;
+
+ pj_bool_t dec_ready;
+ SKP_SILK_SDK_DecControlStruct dec_ctl;
+ void *dec_st;
+
+ /* Buffer to hold decoded frames. */
+ void *dec_buf[SILK_MAX_FRAMES_PER_PACKET-1];
+ SKP_int16 dec_buf_size[SILK_MAX_FRAMES_PER_PACKET-1];
+ pj_size_t dec_buf_sz;
+ unsigned dec_buf_cnt;
+ pj_uint32_t pkt_info; /**< Packet info for buffered frames. */
+} silk_private;
+
+
+silk_mode silk_get_mode_from_clock_rate(unsigned clock_rate) {
+ if (clock_rate <= silk_factory.silk_param[PARAM_NB].clock_rate) {
+ return PARAM_NB;
+ } else if (clock_rate <= silk_factory.silk_param[PARAM_MB].clock_rate) {
+ return PARAM_MB;
+ } else if (clock_rate <= silk_factory.silk_param[PARAM_WB].clock_rate) {
+ return PARAM_WB;
+ }
+ return PARAM_SWB;
+}
+
+
+PJ_DEF(pj_status_t) pjmedia_codec_silk_init(pjmedia_endpt *endpt)
+{
+ pjmedia_codec_mgr *codec_mgr;
+ silk_param *sp;
+ pj_status_t status;
+
+ if (silk_factory.endpt != NULL) {
+ /* Already initialized. */
+ return PJ_SUCCESS;
+ }
+
+ /* Init factory */
+ pj_bzero(&silk_factory, sizeof(silk_factory));
+ silk_factory.base.op = &silk_factory_op;
+ silk_factory.base.factory_data = NULL;
+ silk_factory.endpt = endpt;
+
+ /* Create pool */
+ silk_factory.pool = pjmedia_endpt_create_pool(endpt, "silk", 4000, 4000);
+ if (!silk_factory.pool)
+ return PJ_ENOMEM;
+
+ /* Create mutex. */
+ status = pj_mutex_create_simple(silk_factory.pool, "silk",
+ &silk_factory.mutex);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Initialize default codec params */
+
+ /* From SILK docs:
+ - SILK bitrate tables:
+ +----------------+---------+-----------+
+ | | fs (Hz) | BR (kbps) |
+ +----------------+---------+-----------+
+ | Narrowband | 8000 | 6 - 20 |
+ | Mediumband | 12000 | 7 - 25 |
+ | Wideband | 16000 | 8 - 30 |
+ | Super Wideband | 24000 | 12 - 40 |
+ +----------------+---------+-----------+
+ - The upper limits of the bit rate ranges in this table are
+ recommended values.
+ */
+
+ sp = &silk_factory.silk_param[PARAM_NB];
+ sp->pt = PJMEDIA_RTP_PT_SILK_NB;
+ sp->clock_rate = 8000;
+ sp->max_bitrate = 22000;
+ sp->bitrate = CALC_BITRATE(sp->max_bitrate);
+ sp->ptime = FRAME_LENGTH_MS;
+ sp->complexity = PJMEDIA_CODEC_SILK_DEFAULT_COMPLEXITY;
+ sp->enabled = 1;
+
+ sp = &silk_factory.silk_param[PARAM_MB];
+ sp->pt = PJMEDIA_RTP_PT_SILK_MB;
+ sp->clock_rate = 12000;
+ sp->max_bitrate = 28000;
+ sp->bitrate = CALC_BITRATE(sp->max_bitrate);
+ sp->ptime = FRAME_LENGTH_MS;
+ sp->complexity = PJMEDIA_CODEC_SILK_DEFAULT_COMPLEXITY;
+ sp->enabled = 0;
+
+ sp = &silk_factory.silk_param[PARAM_WB];
+ sp->pt = PJMEDIA_RTP_PT_SILK_WB;
+ sp->clock_rate = 16000;
+ sp->max_bitrate = 36000;
+ sp->bitrate = CALC_BITRATE(sp->max_bitrate);
+ sp->ptime = FRAME_LENGTH_MS;
+ sp->complexity = PJMEDIA_CODEC_SILK_DEFAULT_COMPLEXITY;
+ sp->enabled = 1;
+
+ sp = &silk_factory.silk_param[PARAM_SWB];
+ sp->pt = PJMEDIA_RTP_PT_SILK_SWB;
+ sp->clock_rate = 24000;
+ sp->max_bitrate = 46000;
+ sp->bitrate = CALC_BITRATE(sp->max_bitrate);
+ sp->ptime = FRAME_LENGTH_MS;
+ sp->complexity = PJMEDIA_CODEC_SILK_DEFAULT_COMPLEXITY;
+ sp->enabled = 0;
+
+
+ /* Get the codec manager. */
+ codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
+ if (!codec_mgr) {
+ return PJ_EINVALIDOP;
+ }
+
+ /* Register codec factory to endpoint. */
+ status = pjmedia_codec_mgr_register_factory(codec_mgr,
+ &silk_factory.base);
+ if (status != PJ_SUCCESS)
+ return status;
+
+ PJ_LOG(4,(THIS_FILE, "SILK codec version %s initialized",
+ SKP_Silk_SDK_get_version()));
+ return PJ_SUCCESS;
+
+on_error:
+ if (silk_factory.mutex) {
+ pj_mutex_destroy(silk_factory.mutex);
+ silk_factory.mutex = NULL;
+ }
+ if (silk_factory.pool) {
+ pj_pool_release(silk_factory.pool);
+ silk_factory.pool = NULL;
+ }
+
+ return status;
+}
+
+
+/*
+ * Change the configuration setting of the SILK codec for the specified
+ * clock rate.
+ */
+PJ_DEF(pj_status_t) pjmedia_codec_silk_set_config(
+ unsigned clock_rate,
+ const pjmedia_codec_silk_setting *opt)
+{
+ unsigned i;
+
+ /* Look up in factory modes table */
+ for (i = 0; i < sizeof(silk_factory.silk_param)/
+ sizeof(silk_factory.silk_param[0]); ++i)
+ {
+ if (silk_factory.silk_param[i].clock_rate == clock_rate) {
+ int quality = PJMEDIA_CODEC_SILK_DEFAULT_QUALITY;
+ int complexity = PJMEDIA_CODEC_SILK_DEFAULT_COMPLEXITY;
+
+ silk_factory.silk_param[i].enabled = opt->enabled;
+ if (opt->complexity >= 0)
+ complexity = opt->complexity;
+ silk_factory.silk_param[i].complexity = complexity;
+ if (opt->quality >= 0)
+ quality = opt->quality;
+ silk_factory.silk_param[i].bitrate =
+ CALC_BITRATE_QUALITY(quality,
+ silk_factory.silk_param[i].max_bitrate);
+ if (silk_factory.silk_param[i].bitrate < SILK_MIN_BITRATE)
+ silk_factory.silk_param[i].bitrate = SILK_MIN_BITRATE;
+
+ return PJ_SUCCESS;
+ }
+ }
+
+ return PJ_ENOTFOUND;
+}
+
+
+/*
+ * Unregister SILK codec factory from pjmedia endpoint and deinitialize
+ * the SILK codec library.
+ */
+PJ_DEF(pj_status_t) pjmedia_codec_silk_deinit(void)
+{
+ pjmedia_codec_mgr *codec_mgr;
+ pj_status_t status;
+
+ if (silk_factory.endpt == NULL) {
+ /* Not registered. */
+ return PJ_SUCCESS;
+ }
+
+ /* Lock mutex. */
+ pj_mutex_lock(silk_factory.mutex);
+
+ /* Get the codec manager. */
+ codec_mgr = pjmedia_endpt_get_codec_mgr(silk_factory.endpt);
+ if (!codec_mgr) {
+ silk_factory.endpt = NULL;
+ pj_mutex_unlock(silk_factory.mutex);
+ return PJ_EINVALIDOP;
+ }
+
+ /* Unregister silk codec factory. */
+ status = pjmedia_codec_mgr_unregister_factory(codec_mgr,
+ &silk_factory.base);
+ silk_factory.endpt = NULL;
+
+ /* Destroy mutex. */
+ pj_mutex_destroy(silk_factory.mutex);
+ silk_factory.mutex = NULL;
+
+
+ /* Release pool. */
+ pj_pool_release(silk_factory.pool);
+ silk_factory.pool = NULL;
+
+ return status;
+}
+
+
+/*
+ * Check if factory can allocate the specified codec.
+ */
+static pj_status_t silk_test_alloc(pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *info )
+{
+ const pj_str_t silk_tag = {"SILK", 4};
+ unsigned i;
+
+ PJ_UNUSED_ARG(factory);
+ PJ_ASSERT_RETURN(factory==&silk_factory.base, PJ_EINVAL);
+
+ /* Type MUST be audio. */
+ if (info->type != PJMEDIA_TYPE_AUDIO)
+ return PJMEDIA_CODEC_EUNSUP;
+
+ /* Check encoding name. */
+ if (pj_stricmp(&info->encoding_name, &silk_tag) != 0)
+ return PJMEDIA_CODEC_EUNSUP;
+
+ /* Channel count must be one */
+ if (info->channel_cnt != 1)
+ return PJMEDIA_CODEC_EUNSUP;
+
+ /* Check clock-rate */
+ for (i=0; i<PJ_ARRAY_SIZE(silk_factory.silk_param); ++i) {
+ silk_param *sp = &silk_factory.silk_param[i];
+ if (sp->enabled && info->clock_rate == sp->clock_rate)
+ {
+ return PJ_SUCCESS;
+ }
+ }
+ /* Clock rate not supported */
+ return PJMEDIA_CODEC_EUNSUP;
+}
+
+
+/*
+ * Generate default attribute.
+ */
+static pj_status_t silk_default_attr( pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec_param *attr )
+{
+ silk_param *sp;
+ int i;
+
+ PJ_ASSERT_RETURN(factory==&silk_factory.base, PJ_EINVAL);
+
+ i = silk_get_mode_from_clock_rate(id->clock_rate);
+ pj_assert(i >= PARAM_NB && i <= PARAM_SWB);
+
+ sp = &silk_factory.silk_param[i];
+
+ pj_bzero(attr, sizeof(pjmedia_codec_param));
+ attr->info.channel_cnt = 1;
+ attr->info.clock_rate = sp->clock_rate;
+ attr->info.avg_bps = sp->bitrate;
+ attr->info.max_bps = sp->max_bitrate;
+ attr->info.frm_ptime = sp->ptime;
+ attr->info.pcm_bits_per_sample = 16;
+ attr->info.pt = (pj_uint8_t) sp->pt;
+ attr->setting.frm_per_pkt = 1;
+ attr->setting.vad = 0; /* DTX is not recommended for quality reason */
+ attr->setting.plc = 1;
+
+ i = 0;
+ attr->setting.dec_fmtp.param[i].name = pj_str("useinbandfec");
+ attr->setting.dec_fmtp.param[i++].val = pj_str("0");
+ /*
+ attr->setting.dec_fmtp.param[i].name = pj_str("maxaveragebitrate");
+ attr->setting.dec_fmtp.param[i++].val = pj_str(mode->bitrate_str);
+ */
+ attr->setting.dec_fmtp.cnt = (pj_uint8_t)i;
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Enum codecs supported by this factory.
+ */
+static pj_status_t silk_enum_codecs(pjmedia_codec_factory *factory,
+ unsigned *count,
+ pjmedia_codec_info codecs[])
+{
+ unsigned max;
+ int i;
+
+ PJ_ASSERT_RETURN(factory==&silk_factory.base, PJ_EINVAL);
+ PJ_ASSERT_RETURN(codecs && *count > 0, PJ_EINVAL);
+
+ max = *count;
+ *count = 0;
+
+ for (i = 0; i<PJ_ARRAY_SIZE(silk_factory.silk_param) && *count<max; ++i)
+ {
+ silk_param *sp = &silk_factory.silk_param[i];
+
+ if (!sp->enabled)
+ continue;
+
+ pj_bzero(&codecs[*count], sizeof(pjmedia_codec_info));
+ codecs[*count].encoding_name = pj_str("SILK");
+ codecs[*count].pt = sp->pt;
+ codecs[*count].type = PJMEDIA_TYPE_AUDIO;
+ codecs[*count].clock_rate = sp->clock_rate;
+ codecs[*count].channel_cnt = 1;
+
+ ++*count;
+ }
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Allocate a new SILK codec instance.
+ */
+static pj_status_t silk_alloc_codec(pjmedia_codec_factory *factory,
+ const pjmedia_codec_info *id,
+ pjmedia_codec **p_codec)
+{
+ pj_pool_t *pool;
+ pjmedia_codec *codec;
+ silk_private *silk;
+
+ PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
+ PJ_ASSERT_RETURN(factory == &silk_factory.base, PJ_EINVAL);
+
+ /* Create pool for codec instance */
+ pool = pjmedia_endpt_create_pool(silk_factory.endpt, "silk", 512, 512);
+
+ /* Allocate codec */
+ codec = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);
+ codec->op = &silk_op;
+ codec->factory = factory;
+ codec->codec_data = PJ_POOL_ZALLOC_T(pool, silk_private);
+ silk = (silk_private*) codec->codec_data;
+ silk->pool = pool;
+ silk->enc_ready = PJ_FALSE;
+ silk->dec_ready = PJ_FALSE;
+ silk->mode = silk_get_mode_from_clock_rate(id->clock_rate);
+
+ *p_codec = codec;
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Free codec.
+ */
+static pj_status_t silk_dealloc_codec( pjmedia_codec_factory *factory,
+ pjmedia_codec *codec )
+{
+ silk_private *silk;
+
+ PJ_ASSERT_RETURN(factory && codec, PJ_EINVAL);
+ PJ_ASSERT_RETURN(factory == &silk_factory.base, PJ_EINVAL);
+
+ silk = (silk_private*)codec->codec_data;
+
+ /* Close codec, if it's not closed. */
+ if (silk->enc_ready == PJ_TRUE || silk->dec_ready == PJ_TRUE) {
+ silk_codec_close(codec);
+ }
+
+ pj_pool_release(silk->pool);
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Init codec.
+ */
+static pj_status_t silk_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 silk_codec_open(pjmedia_codec *codec,
+ pjmedia_codec_param *attr )
+{
+
+ silk_private *silk;
+ silk_param *sp;
+ SKP_int st_size, err;
+ pj_bool_t enc_use_fec;
+ unsigned enc_bitrate, i;
+
+ PJ_ASSERT_RETURN(codec && attr, PJ_EINVAL);
+
+ silk = (silk_private*)codec->codec_data;
+ sp = &silk_factory.silk_param[silk->mode];
+
+ /* Already opened? */
+ if (silk->enc_ready || silk->dec_ready)
+ return PJ_SUCCESS;
+
+ /* Allocate and initialize encoder */
+ err = SKP_Silk_SDK_Get_Encoder_Size(&st_size);
+ if (err) {
+ PJ_LOG(3,(THIS_FILE, "Failed to get encoder state size (err=%d)",
+ err));
+ return PJMEDIA_CODEC_EFAILED;
+ }
+ silk->enc_st = pj_pool_zalloc(silk->pool, st_size);
+ err = SKP_Silk_SDK_InitEncoder(silk->enc_st, &silk->enc_ctl);
+ if (err) {
+ PJ_LOG(3,(THIS_FILE, "Failed to init encoder (err=%d)", err));
+ return PJMEDIA_CODEC_EFAILED;
+ }
+
+ /* Check fmtp params */
+ enc_use_fec = PJ_TRUE;
+ enc_bitrate = sp->bitrate;
+ for (i = 0; i < attr->setting.enc_fmtp.cnt; ++i) {
+ pjmedia_codec_fmtp *fmtp = &attr->setting.enc_fmtp;
+ const pj_str_t STR_USEINBANDFEC = {"useinbandfec", 12};
+ const pj_str_t STR_MAXAVERAGEBITRATE = {"maxaveragebitrate", 17};
+
+ if (!pj_stricmp(&fmtp->param[i].name, &STR_USEINBANDFEC)) {
+ enc_use_fec = pj_strtoul(&fmtp->param[i].val) != 0;
+ } else if (!pj_stricmp(&fmtp->param[i].name, &STR_MAXAVERAGEBITRATE)) {
+ enc_bitrate = pj_strtoul(&fmtp->param[i].val);
+ if (enc_bitrate > sp->max_bitrate) {
+ enc_bitrate = sp->max_bitrate;
+ }
+ }
+ }
+
+ /* Setup encoder control for encoding process */
+ silk->enc_ready = PJ_TRUE;
+ silk->samples_per_frame = FRAME_LENGTH_MS *
+ attr->info.clock_rate / 1000;
+ silk->pcm_bytes_per_sample = attr->info.pcm_bits_per_sample / 8;
+
+ silk->enc_ctl.API_sampleRate = attr->info.clock_rate;
+ silk->enc_ctl.maxInternalSampleRate = attr->info.clock_rate;
+ silk->enc_ctl.packetSize = attr->setting.frm_per_pkt *
+ silk->samples_per_frame;
+ /* For useInBandFEC setting to be useful, we need to set
+ * packetLossPercentage greater than LBRR_LOSS_THRES (1)
+ */
+ silk->enc_ctl.packetLossPercentage = SILK_ENC_CTL_PACKET_LOSS_PCT;
+ silk->enc_ctl.useInBandFEC = enc_use_fec;
+ silk->enc_ctl.useDTX = attr->setting.vad;
+ silk->enc_ctl.complexity = sp->complexity;
+ silk->enc_ctl.bitRate = enc_bitrate;
+
+
+ /* Allocate and initialize decoder */
+ err = SKP_Silk_SDK_Get_Decoder_Size(&st_size);
+ if (err) {
+ PJ_LOG(3,(THIS_FILE, "Failed to get decoder state size (err=%d)",
+ err));
+ return PJMEDIA_CODEC_EFAILED;
+ }
+ silk->dec_st = pj_pool_zalloc(silk->pool, st_size);
+ err = SKP_Silk_SDK_InitDecoder(silk->dec_st);
+ if (err) {
+ PJ_LOG(3,(THIS_FILE, "Failed to init decoder (err=%d)", err));
+ return PJMEDIA_CODEC_EFAILED;
+ }
+
+ /* Setup decoder control for decoding process */
+ silk->dec_ctl.API_sampleRate = attr->info.clock_rate;
+ silk->dec_ctl.framesPerPacket = 1; /* for proper PLC at start */
+ silk->dec_ready = PJ_TRUE;
+ silk->dec_buf_sz = attr->info.clock_rate * attr->info.channel_cnt *
+ attr->info.frm_ptime / 1000 *
+ silk->pcm_bytes_per_sample;
+
+ /* Inform the stream to prepare a larger buffer since we cannot parse
+ * SILK packets and split it into individual frames.
+ */
+ attr->info.max_rx_frame_size = attr->info.max_bps *
+ attr->info.frm_ptime / 8 / 1000;
+ if ((attr->info.max_bps * attr->info.frm_ptime) % 8000 != 0)
+ {
+ ++attr->info.max_rx_frame_size;
+ }
+ attr->info.max_rx_frame_size *= SILK_MAX_FRAMES_PER_PACKET;
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Close codec.
+ */
+static pj_status_t silk_codec_close( pjmedia_codec *codec )
+{
+ silk_private *silk;
+ silk = (silk_private*)codec->codec_data;
+
+ silk->enc_ready = PJ_FALSE;
+ silk->dec_ready = PJ_FALSE;
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Modify codec settings.
+ */
+static pj_status_t silk_codec_modify(pjmedia_codec *codec,
+ const pjmedia_codec_param *attr )
+{
+ PJ_TODO(implement_silk_codec_modify);
+
+ PJ_UNUSED_ARG(codec);
+ PJ_UNUSED_ARG(attr);
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Encode frame.
+ */
+static pj_status_t silk_codec_encode(pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output)
+{
+ silk_private *silk;
+ SKP_int err;
+ unsigned nsamples;
+ SKP_int16 out_size;
+
+ PJ_ASSERT_RETURN(codec && input && output_buf_len && output, PJ_EINVAL);
+ silk = (silk_private*)codec->codec_data;
+
+ /* Check frame in size */
+ nsamples = input->size >> 1;
+ PJ_ASSERT_RETURN(nsamples % silk->samples_per_frame == 0,
+ PJMEDIA_CODEC_EPCMFRMINLEN);
+
+ /* Encode */
+ output->size = 0;
+ out_size = (SKP_int16)output_buf_len;
+ err = SKP_Silk_SDK_Encode(silk->enc_st, &silk->enc_ctl,
+ (SKP_int16*)input->buf, nsamples,
+ (SKP_uint8*)output->buf, &out_size);
+ if (err) {
+ PJ_LOG(3, (THIS_FILE, "Failed to encode frame (err=%d)", err));
+ output->type = PJMEDIA_FRAME_TYPE_NONE;
+ if (err == SKP_SILK_ENC_PAYLOAD_BUF_TOO_SHORT)
+ return PJMEDIA_CODEC_EFRMTOOSHORT;
+ return PJMEDIA_CODEC_EFAILED;
+ }
+
+ output->size = out_size;
+ output->type = PJMEDIA_FRAME_TYPE_AUDIO;
+ output->timestamp = input->timestamp;
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Get frames in the packet.
+ */
+static pj_status_t silk_codec_parse( pjmedia_codec *codec,
+ void *pkt,
+ pj_size_t pkt_size,
+ const pj_timestamp *ts,
+ unsigned *frame_cnt,
+ pjmedia_frame frames[])
+{
+ silk_private *silk;
+ SKP_Silk_TOC_struct toc;
+ unsigned i, count;
+
+ PJ_ASSERT_RETURN(codec && ts && frames && frame_cnt, PJ_EINVAL);
+ silk = (silk_private*)codec->codec_data;
+
+ SKP_Silk_SDK_get_TOC(pkt, pkt_size, &toc);
+ count = toc.framesInPacket;
+ pj_assert(count <= SILK_MAX_FRAMES_PER_PACKET);
+
+ for (i = 0; i < count; i++) {
+ frames[i].type = PJMEDIA_FRAME_TYPE_AUDIO;
+ frames[i].bit_info = (((unsigned)ts->u64 & 0xFFFF) << 16) |
+ (((unsigned)pkt & 0xFF) << 8) |
+ (toc.framesInPacket << 4) | i;
+ frames[i].buf = pkt;
+ frames[i].size = pkt_size;
+ frames[i].timestamp.u64 = ts->u64 + i * silk->samples_per_frame;
+ }
+
+ *frame_cnt = count;
+ return PJ_SUCCESS;
+}
+
+static pj_status_t silk_codec_decode(pjmedia_codec *codec,
+ const struct pjmedia_frame *input,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output)
+{
+ silk_private *silk;
+ SKP_int16 out_size;
+ SKP_Silk_TOC_struct toc;
+ SKP_int err = 0;
+ unsigned pkt_info, frm_info;
+
+ PJ_ASSERT_RETURN(codec && input && output_buf_len && output, PJ_EINVAL);
+ silk = (silk_private*)codec->codec_data;
+ PJ_ASSERT_RETURN(output_buf_len >= silk->dec_buf_sz, PJ_ETOOSMALL);
+
+ SKP_Silk_SDK_get_TOC(input->buf, input->size, &toc);
+ pkt_info = input->bit_info & 0xFFFFFF00;
+ frm_info = input->bit_info & 0xF;
+
+ if (toc.framesInPacket == 0) {
+ /* In SILK ARM version, the table of content can indicate
+ * that the number of frames in the packet is 0.
+ * Try to get the number of frames in packet that we save
+ * in the frame instead.
+ */
+ toc.framesInPacket = (input->bit_info & 0xF0) >> 4;
+ }
+
+ if (toc.framesInPacket == 0) {
+ output->size = 0;
+ } else if (silk->pkt_info != pkt_info || input->bit_info == 0) {
+ unsigned i;
+ SKP_int16 nsamples;
+
+ silk->pkt_info = pkt_info;
+ nsamples = (SKP_int16)silk->dec_buf_sz / silk->pcm_bytes_per_sample;
+
+ if (toc.framesInPacket-1 > (SKP_int)silk->dec_buf_cnt) {
+ /* Grow the buffer */
+ for (i = silk->dec_buf_cnt+1; i < (unsigned)toc.framesInPacket;
+ i++)
+ {
+ silk->dec_buf[i-1] = pj_pool_alloc(silk->pool,
+ silk->dec_buf_sz);
+ }
+ silk->dec_buf_cnt = toc.framesInPacket-1;
+ }
+
+ /* We need to decode all the frames in the packet. */
+ for (i = 0; i < (unsigned)toc.framesInPacket;) {
+ void *buf;
+ SKP_int16 *size;
+
+ if (i == 0 || i == frm_info) {
+ buf = output->buf;
+ size = &out_size;
+ } else {
+ buf = silk->dec_buf[i-1];
+ size = &silk->dec_buf_size[i-1];
+ }
+
+ *size = nsamples;
+ err = SKP_Silk_SDK_Decode(silk->dec_st, &silk->dec_ctl,
+ 0, /* Normal frame flag */
+ input->buf, input->size,
+ buf, size);
+ if (err) {
+ PJ_LOG(3, (THIS_FILE, "Failed to decode frame (err=%d)",
+ err));
+ *size = 0;
+ } else {
+ *size = *size * silk->pcm_bytes_per_sample;
+ }
+
+ if (i == frm_info) {
+ output->size = *size;
+ }
+
+ i++;
+ if (!silk->dec_ctl.moreInternalDecoderFrames &&
+ i < (unsigned)toc.framesInPacket)
+ {
+ /* It turns out that the packet does not have
+ * the number of frames as mentioned in the TOC.
+ */
+ for (; i < (unsigned)toc.framesInPacket; i++) {
+ silk->dec_buf_size[i-1] = 0;
+ if (i == frm_info) {
+ output->size = 0;
+ }
+ }
+ }
+ }
+ } else {
+ /* We have already decoded this packet. */
+ if (frm_info == 0 || silk->dec_buf_size[frm_info-1] == 0) {
+ /* The decoding was a failure. */
+ output->size = 0;
+ } else {
+ /* Copy the decoded frame from the buffer. */
+ pj_assert(frm_info-1 < silk->dec_buf_cnt);
+ if (frm_info-1 >= silk->dec_buf_cnt) {
+ output->size = 0;
+ } else {
+ pj_memcpy(output->buf, silk->dec_buf[frm_info-1],
+ silk->dec_buf_size[frm_info-1]);
+ output->size = silk->dec_buf_size[frm_info-1];
+ }
+ }
+ }
+
+ if (output->size == 0) {
+ output->type = PJMEDIA_TYPE_NONE;
+ output->buf = NULL;
+ return PJMEDIA_CODEC_EFAILED;
+ }
+
+ output->type = PJMEDIA_TYPE_AUDIO;
+ output->timestamp = input->timestamp;
+
+ return PJ_SUCCESS;
+}
+
+
+/*
+ * Recover lost frame.
+ */
+static pj_status_t silk_codec_recover(pjmedia_codec *codec,
+ unsigned output_buf_len,
+ struct pjmedia_frame *output)
+{
+ silk_private *silk;
+ SKP_int16 out_size;
+ SKP_int err;
+
+ PJ_ASSERT_RETURN(codec && output_buf_len && output, PJ_EINVAL);
+ silk = (silk_private*)codec->codec_data;
+
+ out_size = (SKP_int16)output_buf_len / silk->pcm_bytes_per_sample;
+ err = SKP_Silk_SDK_Decode(silk->dec_st, &silk->dec_ctl,
+ 1, /* Lost frame flag */
+ NULL,
+ 0,
+ output->buf,
+ &out_size);
+ if (err) {
+ PJ_LOG(3, (THIS_FILE, "Failed to conceal lost frame (err=%d)", err));
+ output->type = PJMEDIA_FRAME_TYPE_NONE;
+ output->buf = NULL;
+ output->size = 0;
+ return PJMEDIA_CODEC_EFAILED;
+ }
+
+ output->size = out_size * silk->pcm_bytes_per_sample;
+ output->type = PJMEDIA_FRAME_TYPE_AUDIO;
+
+ return PJ_SUCCESS;
+}
+
+#if defined(_MSC_VER)
+# if PJ_DEBUG
+# pragma comment(lib, "SKP_Silk_FLP_Win32_debug.lib")
+# else
+# pragma comment(lib, "SKP_Silk_FLP_Win32_mt.lib")
+# endif
+#endif
+
+
+#endif /* PJMEDIA_HAS_SILK_CODEC */