adjustment

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10876 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2008-12-18 23:07:32 +00:00
parent 61647d0f3e
commit e9d7a4a4a0
6 changed files with 396 additions and 343 deletions

View File

@@ -643,363 +643,364 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
do_resample = TRUE;
}
if (need_codec) {
if (!switch_test_flag(session, SSF_WARN_TRANSCODE)) {
if (!need_codec) {
do_write = TRUE;
goto done;
}
if (!switch_test_flag(session, SSF_WARN_TRANSCODE)) {
switch_core_session_message_t msg = { 0 };
msg.message_id = SWITCH_MESSAGE_INDICATE_TRANSCODING_NECESSARY;
switch_core_session_receive_message(session, &msg);
switch_set_flag(session, SSF_WARN_TRANSCODE);
}
if (frame->codec) {
session->raw_write_frame.datalen = session->raw_write_frame.buflen;
status = switch_core_codec_decode(frame->codec,
session->write_codec,
frame->data,
frame->datalen,
session->write_codec->implementation->actual_samples_per_second,
session->raw_write_frame.data, &session->raw_write_frame.datalen, &session->raw_write_frame.rate, &flag);
if (do_resample && status == SWITCH_STATUS_SUCCESS) {
status = SWITCH_STATUS_RESAMPLE;
}
if (frame->codec) {
session->raw_write_frame.datalen = session->raw_write_frame.buflen;
status = switch_core_codec_decode(frame->codec,
session->write_codec,
frame->data,
frame->datalen,
session->write_codec->implementation->actual_samples_per_second,
session->raw_write_frame.data, &session->raw_write_frame.datalen, &session->raw_write_frame.rate, &flag);
if (do_resample && status == SWITCH_STATUS_SUCCESS) {
status = SWITCH_STATUS_RESAMPLE;
switch (status) {
case SWITCH_STATUS_RESAMPLE:
write_frame = &session->raw_write_frame;
if (!session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
status = switch_resample_create(&session->write_resampler,
frame->codec->implementation->actual_samples_per_second,
frame->codec->implementation->decoded_bytes_per_packet,
session->write_codec->implementation->actual_samples_per_second,
session->write_codec->implementation->decoded_bytes_per_packet, session->pool);
switch_mutex_unlock(session->resample_mutex);
if (status != SWITCH_STATUS_SUCCESS) {
goto done;
}
}
break;
case SWITCH_STATUS_SUCCESS:
session->raw_write_frame.samples = session->raw_write_frame.datalen / sizeof(int16_t);
session->raw_write_frame.timestamp = frame->timestamp;
session->raw_write_frame.rate = frame->rate;
session->raw_write_frame.m = frame->m;
session->raw_write_frame.ssrc = frame->ssrc;
session->raw_write_frame.seq = frame->seq;
session->raw_write_frame.payload = frame->payload;
write_frame = &session->raw_write_frame;
break;
case SWITCH_STATUS_BREAK:
status = SWITCH_STATUS_SUCCESS; goto error;
case SWITCH_STATUS_NOOP:
if (session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
switch_resample_destroy(&session->write_resampler);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deactivating write resampler\n");
switch_mutex_unlock(session->resample_mutex);
}
write_frame = frame;
status = SWITCH_STATUS_SUCCESS;
break;
default:
if (status == SWITCH_STATUS_NOT_INITALIZED) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec init error!\n");
goto error;
}
if (ptime_mismatch) {
status = perform_write(session, frame, flags, stream_id);
status = SWITCH_STATUS_SUCCESS; goto error;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec %s decoder error!\n", frame->codec->codec_interface->interface_name);
goto error;
}
}
if (session->write_resampler) {
short *data = write_frame->data;
switch_mutex_lock(session->resample_mutex);
session->write_resampler->from_len = write_frame->datalen / 2;
switch_short_to_float(data, session->write_resampler->from, session->write_resampler->from_len);
session->write_resampler->to_len = (uint32_t)
switch_resample_process(session->write_resampler, session->write_resampler->from,
session->write_resampler->from_len, session->write_resampler->to, session->write_resampler->to_size, 0);
switch_float_to_short(session->write_resampler->to, data, session->write_resampler->to_len);
write_frame->samples = session->write_resampler->to_len;
write_frame->datalen = write_frame->samples * 2;
write_frame->rate = session->write_resampler->to_rate;
switch_mutex_unlock(session->resample_mutex);
}
if (session->bugs) {
switch_media_bug_t *bp, *dp, *last = NULL;
switch_thread_rwlock_rdlock(session->bug_rwlock);
for (bp = session->bugs; bp; bp = bp->next) {
switch_bool_t ok = SWITCH_TRUE;
if (!bp->ready) {
continue;
}
if (switch_test_flag(bp, SMBF_WRITE_STREAM)) {
switch_mutex_lock(bp->write_mutex);
switch_buffer_write(bp->raw_write_buffer, write_frame->data, write_frame->datalen);
switch_mutex_unlock(bp->write_mutex);
if (bp->callback) {
ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE);
}
}
if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) {
do_bugs = 0;
if (bp->callback) {
bp->write_replace_frame_in = write_frame;
bp->write_replace_frame_out = write_frame;
if ((ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE_REPLACE)) == SWITCH_TRUE) {
write_frame = bp->write_replace_frame_out;
}
}
}
if (bp->stop_time && bp->stop_time <= switch_timestamp(NULL)) {
ok = SWITCH_FALSE;
}
if (ok == SWITCH_FALSE) {
bp->ready = 0;
if (last) {
last->next = bp->next;
} else {
session->bugs = bp->next;
}
dp = bp;
bp = last;
switch_core_media_bug_close(&dp);
if (!bp) {
break;
}
continue;
}
last = bp;
}
switch_thread_rwlock_unlock(session->bug_rwlock);
}
if (do_bugs) {
do_write = TRUE;
write_frame = frame;
goto done;
}
if (session->write_codec) {
if (write_frame->datalen == session->write_codec->implementation->decoded_bytes_per_packet) {
perfect = TRUE;
} else {
if (!session->raw_write_buffer) {
switch_size_t bytes = session->write_codec->implementation->decoded_bytes_per_packet;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,
"Engaging Write Buffer at %u bytes to accommodate %u->%u\n",
(uint32_t) bytes, write_frame->datalen, session->write_codec->implementation->decoded_bytes_per_packet);
if ((status = switch_buffer_create_dynamic(&session->raw_write_buffer,
bytes * SWITCH_BUFFER_BLOCK_FRAMES,
bytes * SWITCH_BUFFER_START_FRAMES, 0)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Write Buffer Failed!\n");
goto error;
}
}
if (!(switch_buffer_write(session->raw_write_buffer, write_frame->data, write_frame->datalen))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Write Buffer %u bytes Failed!\n", write_frame->datalen);
status = SWITCH_STATUS_MEMERR; goto error;
}
}
if (perfect) {
enc_frame = write_frame;
session->enc_write_frame.datalen = session->enc_write_frame.buflen;
status = switch_core_codec_encode(session->write_codec,
frame->codec,
enc_frame->data,
enc_frame->datalen,
session->write_codec->implementation->actual_samples_per_second,
session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);
switch (status) {
case SWITCH_STATUS_RESAMPLE:
write_frame = &session->raw_write_frame;
if (!session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
status = switch_resample_create(&session->write_resampler,
frame->codec->implementation->actual_samples_per_second,
frame->codec->implementation->decoded_bytes_per_packet,
session->write_codec->implementation->actual_samples_per_second,
session->write_codec->implementation->decoded_bytes_per_packet, session->pool);
switch_mutex_unlock(session->resample_mutex);
if (status != SWITCH_STATUS_SUCCESS) {
goto done;
}
}
break;
/* switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Fixme 2\n"); */
case SWITCH_STATUS_SUCCESS:
session->raw_write_frame.samples = session->raw_write_frame.datalen / sizeof(int16_t);
session->raw_write_frame.timestamp = frame->timestamp;
session->raw_write_frame.rate = frame->rate;
session->raw_write_frame.m = frame->m;
session->raw_write_frame.ssrc = frame->ssrc;
session->raw_write_frame.seq = frame->seq;
session->raw_write_frame.payload = frame->payload;
write_frame = &session->raw_write_frame;
break;
case SWITCH_STATUS_BREAK:
status = SWITCH_STATUS_SUCCESS; goto error;
case SWITCH_STATUS_NOOP:
if (session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
switch_resample_destroy(&session->write_resampler);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deactivating write resampler\n");
switch_mutex_unlock(session->resample_mutex);
}
write_frame = frame;
status = SWITCH_STATUS_SUCCESS;
break;
default:
if (status == SWITCH_STATUS_NOT_INITALIZED) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec init error!\n");
goto error;
}
if (ptime_mismatch) {
status = perform_write(session, frame, flags, stream_id);
status = SWITCH_STATUS_SUCCESS; goto error;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec %s decoder error!\n", frame->codec->codec_interface->interface_name);
goto error;
}
}
if (session->write_resampler) {
short *data = write_frame->data;
switch_mutex_lock(session->resample_mutex);
session->write_resampler->from_len = write_frame->datalen / 2;
switch_short_to_float(data, session->write_resampler->from, session->write_resampler->from_len);
session->write_resampler->to_len = (uint32_t)
switch_resample_process(session->write_resampler, session->write_resampler->from,
session->write_resampler->from_len, session->write_resampler->to, session->write_resampler->to_size, 0);
switch_float_to_short(session->write_resampler->to, data, session->write_resampler->to_len);
write_frame->samples = session->write_resampler->to_len;
write_frame->datalen = write_frame->samples * 2;
write_frame->rate = session->write_resampler->to_rate;
switch_mutex_unlock(session->resample_mutex);
}
if (session->bugs) {
switch_media_bug_t *bp, *dp, *last = NULL;
switch_thread_rwlock_rdlock(session->bug_rwlock);
for (bp = session->bugs; bp; bp = bp->next) {
switch_bool_t ok = SWITCH_TRUE;
if (!bp->ready) {
continue;
}
if (switch_test_flag(bp, SMBF_WRITE_STREAM)) {
switch_mutex_lock(bp->write_mutex);
switch_buffer_write(bp->raw_write_buffer, write_frame->data, write_frame->datalen);
switch_mutex_unlock(bp->write_mutex);
if (bp->callback) {
ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE);
}
}
if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) {
do_bugs = 0;
if (bp->callback) {
bp->write_replace_frame_in = write_frame;
bp->write_replace_frame_out = write_frame;
if ((ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE_REPLACE)) == SWITCH_TRUE) {
write_frame = bp->write_replace_frame_out;
}
}
}
if (bp->stop_time && bp->stop_time <= switch_timestamp(NULL)) {
ok = SWITCH_FALSE;
}
if (ok == SWITCH_FALSE) {
bp->ready = 0;
if (last) {
last->next = bp->next;
} else {
session->bugs = bp->next;
}
dp = bp;
bp = last;
switch_core_media_bug_close(&dp);
if (!bp) {
break;
}
continue;
}
last = bp;
}
switch_thread_rwlock_unlock(session->bug_rwlock);
}
if (do_bugs) {
do_write = TRUE;
write_frame = frame;
goto done;
}
if (session->write_codec) {
if (write_frame->datalen == session->write_codec->implementation->decoded_bytes_per_packet) {
perfect = TRUE;
} else {
if (!session->raw_write_buffer) {
switch_size_t bytes = session->write_codec->implementation->decoded_bytes_per_packet;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,
"Engaging Write Buffer at %u bytes to accommodate %u->%u\n",
(uint32_t) bytes, write_frame->datalen, session->write_codec->implementation->decoded_bytes_per_packet);
if ((status = switch_buffer_create_dynamic(&session->raw_write_buffer,
bytes * SWITCH_BUFFER_BLOCK_FRAMES,
bytes * SWITCH_BUFFER_START_FRAMES, 0)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Write Buffer Failed!\n");
goto error;
}
}
if (!(switch_buffer_write(session->raw_write_buffer, write_frame->data, write_frame->datalen))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Write Buffer %u bytes Failed!\n", write_frame->datalen);
status = SWITCH_STATUS_MEMERR; goto error;
}
}
if (perfect) {
enc_frame = write_frame;
session->enc_write_frame.datalen = session->enc_write_frame.buflen;
status = switch_core_codec_encode(session->write_codec,
frame->codec,
enc_frame->data,
enc_frame->datalen,
session->write_codec->implementation->actual_samples_per_second,
session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);
switch (status) {
case SWITCH_STATUS_RESAMPLE:
/* switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Fixme 2\n"); */
case SWITCH_STATUS_SUCCESS:
session->enc_write_frame.codec = session->write_codec;
session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
if (frame->codec->implementation->samples_per_packet != session->write_codec->implementation->samples_per_packet) {
session->enc_write_frame.timestamp = 0;
} else {
session->enc_write_frame.timestamp = frame->timestamp;
}
session->enc_write_frame.payload = session->write_codec->implementation->ianacode;
session->enc_write_frame.m = frame->m;
session->enc_write_frame.ssrc = frame->ssrc;
session->enc_write_frame.seq = frame->seq;
write_frame = &session->enc_write_frame;
break;
case SWITCH_STATUS_NOOP:
enc_frame->codec = session->write_codec;
enc_frame->samples = enc_frame->datalen / sizeof(int16_t);
enc_frame->timestamp = frame->timestamp;
enc_frame->m = frame->m;
enc_frame->seq = frame->seq;
enc_frame->ssrc = frame->ssrc;
enc_frame->payload = enc_frame->codec->implementation->ianacode;
write_frame = enc_frame;
status = SWITCH_STATUS_SUCCESS;
break;
case SWITCH_STATUS_NOT_INITALIZED:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec init error!\n");
write_frame = NULL;
goto error;
default:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec %s encoder error!\n",
session->read_codec->codec_interface->interface_name);
write_frame = NULL;
goto error;
}
if (flag & SFF_CNG) {
switch_set_flag(write_frame, SFF_CNG);
}
status = perform_write(session, write_frame, flags, stream_id);
goto error;
} else {
switch_size_t used = switch_buffer_inuse(session->raw_write_buffer);
uint32_t bytes = session->write_codec->implementation->decoded_bytes_per_packet;
switch_size_t frames = (used / bytes);
status = SWITCH_STATUS_SUCCESS;
if (!frames) {
goto error;
session->enc_write_frame.codec = session->write_codec;
session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
if (frame->codec->implementation->samples_per_packet != session->write_codec->implementation->samples_per_packet) {
session->enc_write_frame.timestamp = 0;
} else {
switch_size_t x;
for (x = 0; x < frames; x++) {
if ((session->raw_write_frame.datalen = (uint32_t)
switch_buffer_read(session->raw_write_buffer, session->raw_write_frame.data, bytes)) != 0) {
int rate;
enc_frame = &session->raw_write_frame;
session->raw_write_frame.rate = session->write_codec->implementation->actual_samples_per_second;
session->enc_write_frame.datalen = session->enc_write_frame.buflen;
session->enc_write_frame.timestamp = frame->timestamp;
}
session->enc_write_frame.payload = session->write_codec->implementation->ianacode;
session->enc_write_frame.m = frame->m;
session->enc_write_frame.ssrc = frame->ssrc;
session->enc_write_frame.seq = frame->seq;
write_frame = &session->enc_write_frame;
break;
case SWITCH_STATUS_NOOP:
enc_frame->codec = session->write_codec;
enc_frame->samples = enc_frame->datalen / sizeof(int16_t);
enc_frame->timestamp = frame->timestamp;
enc_frame->m = frame->m;
enc_frame->seq = frame->seq;
enc_frame->ssrc = frame->ssrc;
enc_frame->payload = enc_frame->codec->implementation->ianacode;
write_frame = enc_frame;
status = SWITCH_STATUS_SUCCESS;
break;
case SWITCH_STATUS_NOT_INITALIZED:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec init error!\n");
write_frame = NULL;
goto error;
default:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec %s encoder error!\n",
session->read_codec->codec_interface->interface_name);
write_frame = NULL;
goto error;
}
if (flag & SFF_CNG) {
switch_set_flag(write_frame, SFF_CNG);
}
status = perform_write(session, write_frame, flags, stream_id);
goto error;
} else {
switch_size_t used = switch_buffer_inuse(session->raw_write_buffer);
uint32_t bytes = session->write_codec->implementation->decoded_bytes_per_packet;
switch_size_t frames = (used / bytes);
if (frame->codec && frame->codec->implementation) {
rate = frame->codec->implementation->actual_samples_per_second;
} else {
rate = session->write_codec->implementation->actual_samples_per_second;
}
status = SWITCH_STATUS_SUCCESS;
if (!frames) {
goto error;
} else {
switch_size_t x;
for (x = 0; x < frames; x++) {
if ((session->raw_write_frame.datalen = (uint32_t)
switch_buffer_read(session->raw_write_buffer, session->raw_write_frame.data, bytes)) != 0) {
int rate;
enc_frame = &session->raw_write_frame;
session->raw_write_frame.rate = session->write_codec->implementation->actual_samples_per_second;
session->enc_write_frame.datalen = session->enc_write_frame.buflen;
status = switch_core_codec_encode(session->write_codec,
frame->codec,
enc_frame->data,
enc_frame->datalen,
rate,
session->enc_write_frame.data,
&session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);
switch (status) {
case SWITCH_STATUS_RESAMPLE:
session->enc_write_frame.codec = session->write_codec;
session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
session->enc_write_frame.m = frame->m;
session->enc_write_frame.ssrc = frame->ssrc;
session->enc_write_frame.payload = session->write_codec->implementation->ianacode;
write_frame = &session->enc_write_frame;
if (!session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
status = switch_resample_create(&session->write_resampler,
frame->codec->implementation->actual_samples_per_second,
frame->codec->implementation->decoded_bytes_per_packet,
session->write_codec->implementation->actual_samples_per_second,
session->write_codec->implementation->decoded_bytes_per_packet, session->pool);
switch_mutex_unlock(session->resample_mutex);
if (frame->codec && frame->codec->implementation) {
rate = frame->codec->implementation->actual_samples_per_second;
} else {
rate = session->write_codec->implementation->actual_samples_per_second;
}
if (status != SWITCH_STATUS_SUCCESS) {
goto done;
}
}
break;
case SWITCH_STATUS_SUCCESS:
session->enc_write_frame.codec = session->write_codec;
session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
session->enc_write_frame.m = frame->m;
session->enc_write_frame.ssrc = frame->ssrc;
session->enc_write_frame.payload = session->write_codec->implementation->ianacode;
write_frame = &session->enc_write_frame;
break;
case SWITCH_STATUS_NOOP:
if (session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
switch_resample_destroy(&session->write_resampler);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deactivating write resampler\n");
switch_mutex_unlock(session->resample_mutex);
}
enc_frame->codec = session->write_codec;
enc_frame->samples = enc_frame->datalen / sizeof(int16_t);
enc_frame->m = frame->m;
enc_frame->ssrc = frame->ssrc;
enc_frame->payload = enc_frame->codec->implementation->ianacode;
write_frame = enc_frame;
status = SWITCH_STATUS_SUCCESS;
break;
case SWITCH_STATUS_NOT_INITALIZED:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec init error!\n");
write_frame = NULL;
goto error;
default:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec %s encoder error %d!\n",
session->read_codec->codec_interface->interface_name, status);
write_frame = NULL;
goto error;
}
if (session->read_resampler) {
short *data = write_frame->data;
status = switch_core_codec_encode(session->write_codec,
frame->codec,
enc_frame->data,
enc_frame->datalen,
rate,
session->enc_write_frame.data,
&session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag);
switch (status) {
case SWITCH_STATUS_RESAMPLE:
session->enc_write_frame.codec = session->write_codec;
session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
session->enc_write_frame.m = frame->m;
session->enc_write_frame.ssrc = frame->ssrc;
session->enc_write_frame.payload = session->write_codec->implementation->ianacode;
write_frame = &session->enc_write_frame;
if (!session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
session->read_resampler->from_len =
switch_short_to_float(data, session->read_resampler->from, (int) write_frame->datalen / 2);
session->read_resampler->to_len = (uint32_t)
switch_resample_process(session->read_resampler, session->read_resampler->from,
session->read_resampler->from_len,
session->read_resampler->to, session->read_resampler->to_size, 0);
switch_float_to_short(session->read_resampler->to, data, write_frame->datalen * 2);
write_frame->samples = session->read_resampler->to_len;
write_frame->datalen = session->read_resampler->to_len * 2;
write_frame->rate = session->read_resampler->to_rate;
status = switch_resample_create(&session->write_resampler,
frame->codec->implementation->actual_samples_per_second,
frame->codec->implementation->decoded_bytes_per_packet,
session->write_codec->implementation->actual_samples_per_second,
session->write_codec->implementation->decoded_bytes_per_packet, session->pool);
switch_mutex_unlock(session->resample_mutex);
if (status != SWITCH_STATUS_SUCCESS) {
goto done;
}
}
if (flag & SFF_CNG) {
switch_set_flag(write_frame, SFF_CNG);
break;
case SWITCH_STATUS_SUCCESS:
session->enc_write_frame.codec = session->write_codec;
session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t);
session->enc_write_frame.m = frame->m;
session->enc_write_frame.ssrc = frame->ssrc;
session->enc_write_frame.payload = session->write_codec->implementation->ianacode;
write_frame = &session->enc_write_frame;
break;
case SWITCH_STATUS_NOOP:
if (session->write_resampler) {
switch_mutex_lock(session->resample_mutex);
switch_resample_destroy(&session->write_resampler);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deactivating write resampler\n");
switch_mutex_unlock(session->resample_mutex);
}
enc_frame->codec = session->write_codec;
enc_frame->samples = enc_frame->datalen / sizeof(int16_t);
enc_frame->m = frame->m;
enc_frame->ssrc = frame->ssrc;
enc_frame->payload = enc_frame->codec->implementation->ianacode;
write_frame = enc_frame;
status = SWITCH_STATUS_SUCCESS;
break;
case SWITCH_STATUS_NOT_INITALIZED:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec init error!\n");
write_frame = NULL;
goto error;
default:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Codec %s encoder error %d!\n",
session->read_codec->codec_interface->interface_name, status);
write_frame = NULL;
goto error;
}
if ((status = perform_write(session, write_frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
break;
}
if (session->read_resampler) {
short *data = write_frame->data;
switch_mutex_lock(session->resample_mutex);
session->read_resampler->from_len =
switch_short_to_float(data, session->read_resampler->from, (int) write_frame->datalen / 2);
session->read_resampler->to_len = (uint32_t)
switch_resample_process(session->read_resampler, session->read_resampler->from,
session->read_resampler->from_len,
session->read_resampler->to, session->read_resampler->to_size, 0);
switch_float_to_short(session->read_resampler->to, data, write_frame->datalen * 2);
write_frame->samples = session->read_resampler->to_len;
write_frame->datalen = session->read_resampler->to_len * 2;
write_frame->rate = session->read_resampler->to_rate;
switch_mutex_unlock(session->resample_mutex);
}
if (flag & SFF_CNG) {
switch_set_flag(write_frame, SFF_CNG);
}
if ((status = perform_write(session, write_frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
break;
}
}
goto error;
}
goto error;
}
}
} else {
do_write = TRUE;
}
done:
if (do_write) {