static pj_status_t g729_dealloc_codec(pjmedia_codec_factory *factory,
pjmedia_codec *codec )
{
struct g729_private *priv = (struct g729_private*) codec->codec_data;
int i = 0;
PJ_ASSERT_RETURN(factory && codec, PJ_EINVAL);
PJ_ASSERT_RETURN(factory==&g729_factory.base, PJ_EINVAL);
/* Close codec, if it's not closed. */
g729_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(priv->plc, frame);
}
#else
PJ_UNUSED_ARG(i);
PJ_UNUSED_ARG(priv);
#endif
/* Re-init silence_period */
pj_set_timestamp32(&priv->last_tx, 0, 0);
pj_pool_release(priv->pool);
return PJ_SUCCESS;
}
/*
* Free codec.
*/
static pj_status_t codec2_dealloc_codec( pjmedia_codec_factory *factory,
pjmedia_codec *codec )
{
struct codec2_data *codec2_data;
int i;
PJ_ASSERT_RETURN(factory && codec, PJ_EINVAL);
PJ_ASSERT_RETURN(factory == &codec2_codec_factory.base, PJ_EINVAL);
codec2_data = (struct codec2_data*) codec->codec_data;
/* Close codec, if it's not closed. */
codec2_codec_close(codec);
PJ_UNUSED_ARG(i);
/* Re-init silence_period */
pj_set_timestamp32(&codec2_data->last_tx, 0, 0);
/* Put in the free list. */
pj_mutex_lock(codec2_codec_factory.mutex);
pj_list_push_front(&codec2_codec_factory.codec_list, codec);
pj_mutex_unlock(codec2_codec_factory.mutex);
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pj_gettickcount(pj_time_val *tv)
{
pj_timestamp ts, start;
pj_status_t status;
if ((status = pj_get_timestamp(&ts)) != PJ_SUCCESS)
return status;
pj_set_timestamp32(&start, 0, 0);
*tv = pj_elapsed_time(&start, &ts);
return PJ_SUCCESS;
}
/* API: Init clock source */
PJ_DEF(pj_status_t) pjmedia_clock_src_init( pjmedia_clock_src *clocksrc,
pjmedia_type media_type,
unsigned clock_rate,
unsigned ptime_usec )
{
PJ_ASSERT_RETURN(clocksrc, PJ_EINVAL);
clocksrc->media_type = media_type;
clocksrc->clock_rate = clock_rate;
clocksrc->ptime_usec = ptime_usec;
pj_set_timestamp32(&clocksrc->timestamp, 0, 0);
pj_get_timestamp(&clocksrc->last_update);
return PJ_SUCCESS;
}
/*
* Free codec.
*/
static pj_status_t gsm_dealloc_codec( pjmedia_codec_factory *factory,
pjmedia_codec *codec )
{
struct gsm_data *gsm_data;
int i;
PJ_ASSERT_RETURN(factory && codec, PJ_EINVAL);
PJ_ASSERT_RETURN(factory == &gsm_codec_factory.base, PJ_EINVAL);
gsm_data = (struct gsm_data*) codec->codec_data;
/* Close codec, if it's not closed. */
gsm_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[160];
pjmedia_zero_samples(frame, PJ_ARRAY_SIZE(frame));
pjmedia_plc_save(gsm_data->plc, frame);
}
#else
PJ_UNUSED_ARG(i);
#endif
/* Re-init silence_period */
pj_set_timestamp32(&gsm_data->last_tx, 0, 0);
/* Put in the free list. */
pj_mutex_lock(gsm_codec_factory.mutex);
pj_list_push_front(&gsm_codec_factory.codec_list, codec);
pj_mutex_unlock(gsm_codec_factory.mutex);
return PJ_SUCCESS;
}
/*
* Open codec.
*/
static pj_status_t ilbc_codec_open(pjmedia_codec *codec,
pjmedia_codec_param *attr )
{
struct ilbc_codec *ilbc_codec = (struct ilbc_codec*)codec;
pj_status_t status;
unsigned i;
pj_uint16_t dec_fmtp_mode = DEFAULT_MODE,
enc_fmtp_mode = DEFAULT_MODE;
#if defined(PJMEDIA_ILBC_CODEC_USE_COREAUDIO)&& PJMEDIA_ILBC_CODEC_USE_COREAUDIO
AudioStreamBasicDescription srcFormat, dstFormat;
UInt32 size;
srcFormat.mSampleRate = attr->info.clock_rate;
srcFormat.mFormatID = kAudioFormatLinearPCM;
srcFormat.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger
| kLinearPCMFormatFlagIsPacked;
srcFormat.mBitsPerChannel = attr->info.pcm_bits_per_sample;
srcFormat.mChannelsPerFrame = attr->info.channel_cnt;
srcFormat.mBytesPerFrame = srcFormat.mChannelsPerFrame
* srcFormat.mBitsPerChannel >> 3;
srcFormat.mFramesPerPacket = 1;
srcFormat.mBytesPerPacket = srcFormat.mBytesPerFrame *
srcFormat.mFramesPerPacket;
memset(&dstFormat, 0, sizeof(dstFormat));
dstFormat.mSampleRate = attr->info.clock_rate;
dstFormat.mFormatID = kAudioFormatiLBC;
dstFormat.mChannelsPerFrame = attr->info.channel_cnt;
#endif
pj_assert(ilbc_codec != NULL);
pj_assert(ilbc_codec->enc_ready == PJ_FALSE &&
ilbc_codec->dec_ready == PJ_FALSE);
/* Get decoder mode */
for (i = 0; i < attr->setting.dec_fmtp.cnt; ++i) {
if (pj_stricmp(&attr->setting.dec_fmtp.param[i].name, &STR_MODE) == 0)
{
dec_fmtp_mode = (pj_uint16_t)
pj_strtoul(&attr->setting.dec_fmtp.param[i].val);
break;
}
}
/* Decoder mode must be set */
PJ_ASSERT_RETURN(dec_fmtp_mode == 20 || dec_fmtp_mode == 30,
PJMEDIA_CODEC_EINMODE);
/* Get encoder mode */
for (i = 0; i < attr->setting.enc_fmtp.cnt; ++i) {
if (pj_stricmp(&attr->setting.enc_fmtp.param[i].name, &STR_MODE) == 0)
{
enc_fmtp_mode = (pj_uint16_t)
pj_strtoul(&attr->setting.enc_fmtp.param[i].val);
break;
}
}
PJ_ASSERT_RETURN(enc_fmtp_mode==20 || enc_fmtp_mode==30,
PJMEDIA_CODEC_EINMODE);
/* Both sides of a bi-directional session MUST use the same "mode" value.
* In this point, possible values are only 20 or 30, so when encoder and
* decoder modes are not same, just use the default mode, it is 30.
*/
if (enc_fmtp_mode != dec_fmtp_mode) {
enc_fmtp_mode = dec_fmtp_mode = DEFAULT_MODE;
PJ_LOG(4,(ilbc_codec->obj_name,
"Normalized iLBC encoder and decoder modes to %d",
DEFAULT_MODE));
}
/* Update some attributes based on negotiated mode. */
attr->info.avg_bps = (dec_fmtp_mode == 30? 13333 : 15200);
attr->info.frm_ptime = dec_fmtp_mode;
/* Create encoder */
#if defined(PJMEDIA_ILBC_CODEC_USE_COREAUDIO)&& PJMEDIA_ILBC_CODEC_USE_COREAUDIO
dstFormat.mFramesPerPacket = CLOCK_RATE * enc_fmtp_mode / 1000;
dstFormat.mBytesPerPacket = (enc_fmtp_mode == 20? 38 : 50);
/* Use AudioFormat API to fill out the rest of the description */
size = sizeof(dstFormat);
AudioFormatGetProperty(kAudioFormatProperty_FormatInfo,
0, NULL, &size, &dstFormat);
if (AudioConverterNew(&srcFormat, &dstFormat, &ilbc_codec->enc) != noErr)
return PJMEDIA_CODEC_EFAILED;
ilbc_codec->enc_frame_size = (enc_fmtp_mode == 20? 38 : 50);
#else
ilbc_codec->enc_frame_size = initEncode(&ilbc_codec->enc, enc_fmtp_mode);
#endif
ilbc_codec->enc_samples_per_frame = CLOCK_RATE * enc_fmtp_mode / 1000;
ilbc_codec->enc_ready = PJ_TRUE;
/* Create decoder */
#if defined(PJMEDIA_ILBC_CODEC_USE_COREAUDIO)&& PJMEDIA_ILBC_CODEC_USE_COREAUDIO
if (AudioConverterNew(&dstFormat, &srcFormat, &ilbc_codec->dec) != noErr)
return PJMEDIA_CODEC_EFAILED;
ilbc_codec->dec_samples_per_frame = CLOCK_RATE * dec_fmtp_mode / 1000;
#else
ilbc_codec->dec_samples_per_frame = initDecode(&ilbc_codec->dec,
dec_fmtp_mode,
attr->setting.penh);
#endif
ilbc_codec->dec_frame_size = (dec_fmtp_mode == 20? 38 : 50);
ilbc_codec->dec_ready = PJ_TRUE;
/* Save plc flags */
ilbc_codec->plc_enabled = (attr->setting.plc != 0);
/* Create silence detector. */
ilbc_codec->vad_enabled = (attr->setting.vad != 0);
status = pjmedia_silence_det_create(ilbc_codec->pool, CLOCK_RATE,
ilbc_codec->enc_samples_per_frame,
&ilbc_codec->vad);
if (status != PJ_SUCCESS)
return status;
/* Init last_tx (not necessary because of zalloc, but better
* be safe in case someone remove zalloc later.
*/
pj_set_timestamp32(&ilbc_codec->last_tx, 0, 0);
PJ_LOG(4,(ilbc_codec->obj_name,
"iLBC codec opened, mode=%d", dec_fmtp_mode));
return PJ_SUCCESS;
}
/*
* Open codec.
*/
static pj_status_t ilbc_codec_open(pjmedia_codec *codec,
pjmedia_codec_param *attr )
{
struct ilbc_codec *ilbc_codec = (struct ilbc_codec*)codec;
pj_status_t status;
unsigned i, dec_fmtp_mode = 0, enc_fmtp_mode = 0;
pj_assert(ilbc_codec != NULL);
pj_assert(ilbc_codec->enc_ready == PJ_FALSE &&
ilbc_codec->dec_ready == PJ_FALSE);
/* Get decoder mode */
for (i = 0; i < attr->setting.dec_fmtp.cnt; ++i) {
if (pj_stricmp(&attr->setting.dec_fmtp.param[i].name, &STR_MODE) == 0)
{
dec_fmtp_mode = (unsigned)
pj_strtoul(&attr->setting.dec_fmtp.param[i].val);
break;
}
}
/* Decoder mode must be set */
PJ_ASSERT_RETURN(dec_fmtp_mode == 20 || dec_fmtp_mode == 30,
PJMEDIA_CODEC_EINMODE);
/* Get encoder mode */
for (i = 0; i < attr->setting.enc_fmtp.cnt; ++i) {
if (pj_stricmp(&attr->setting.enc_fmtp.param[i].name, &STR_MODE) == 0)
{
enc_fmtp_mode = (unsigned)
pj_strtoul(&attr->setting.enc_fmtp.param[i].val);
break;
}
}
/* The enc mode must be set in the attribute
* (from the mode parameter in fmtp attribute in the SDP
* received from remote)
*/
if (enc_fmtp_mode == 0)
enc_fmtp_mode = dec_fmtp_mode;
PJ_ASSERT_RETURN(enc_fmtp_mode==20 ||
enc_fmtp_mode==30, PJMEDIA_CODEC_EINMODE);
/* Update enc_ptime in the param */
if (enc_fmtp_mode != dec_fmtp_mode) {
attr->info.enc_ptime = (pj_uint16_t)enc_fmtp_mode;
} else {
attr->info.enc_ptime = 0;
}
/* Create enc */
ilbc_codec->enc_frame_size = initEncode(&ilbc_codec->enc, enc_fmtp_mode);
ilbc_codec->enc_samples_per_frame = CLOCK_RATE * enc_fmtp_mode / 1000;
ilbc_codec->enc_ready = PJ_TRUE;
/* Create decoder */
ilbc_codec->dec_samples_per_frame = initDecode(&ilbc_codec->dec,
dec_fmtp_mode,
attr->setting.penh);
if (dec_fmtp_mode == 20)
ilbc_codec->dec_frame_size = 38;
else if (dec_fmtp_mode == 30)
ilbc_codec->dec_frame_size = 50;
else {
pj_assert(!"Invalid iLBC mode");
ilbc_codec->dec_frame_size = ilbc_codec->enc_frame_size;
}
ilbc_codec->dec_ready = PJ_TRUE;
/* Save plc flags */
ilbc_codec->plc_enabled = (attr->setting.plc != 0);
/* Create silence detector. */
ilbc_codec->vad_enabled = (attr->setting.vad != 0);
status = pjmedia_silence_det_create(ilbc_codec->pool, CLOCK_RATE,
ilbc_codec->enc_samples_per_frame,
&ilbc_codec->vad);
if (status != PJ_SUCCESS)
return status;
/* Init last_tx (not necessary because of zalloc, but better
* be safe in case someone remove zalloc later.
*/
pj_set_timestamp32(&ilbc_codec->last_tx, 0, 0);
PJ_LOG(5,(ilbc_codec->obj_name,
"iLBC codec opened, encoder mode=%d, decoder mode=%d",
enc_fmtp_mode, dec_fmtp_mode));
return PJ_SUCCESS;
}
