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FS-7500: Work in progress. Added codec config params that can be set from session and made vpx codec re-init on size change. Also add periodic key frame timer

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This commit is contained in:
Anthony Minessale
2014-11-14 19:01:56 -06:00
committed by Michael Jerris
parent 365a5dd820
commit 659c1e474e
10 changed files with 536 additions and 374 deletions
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168
src/switch_core_io.c
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@@ -36,174 +36,6 @@
#include <switch.h>
#include "private/switch_core_pvt.h"
SWITCH_DECLARE(void) switch_core_session_set_image_write_callback(switch_core_session_t *session, switch_image_write_callback_t callback, void *user_data)
{
session->image_write_callback = callback;
session->image_write_callback_user_data = user_data;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_image(switch_core_session_t *session, switch_frame_t *frame,
switch_image_t *img, switch_size_t size, uint32_t *flag)
{
uint32_t encoded_data_len = size, lflag = 0, *flagp = flag;
switch_codec_t *codec = switch_core_session_get_video_write_codec(session);
switch_timer_t *timer;
switch_assert(session);
if (!flag) {
flagp = &lflag;
}
timer = switch_core_media_get_timer(session, SWITCH_MEDIA_TYPE_VIDEO);
switch_assert(timer);
switch_core_codec_encode_video(codec, img, frame->data, &encoded_data_len, flagp);
while(encoded_data_len) {
frame->datalen = encoded_data_len;
frame->packetlen = frame->datalen + 12;
frame->m = (*flagp & SFF_MARKER) ? 1 : 0;
frame->timestamp = timer->samplecount;
switch_set_flag(frame, SFF_RAW_RTP_PARSE_FRAME);
switch_core_session_write_video_frame(session, frame, SWITCH_IO_FLAG_NONE, 0);
if (session->image_write_callback) {
session->image_write_callback(session, frame, img, session->image_write_callback_user_data);
}
encoded_data_len = size;
switch_core_codec_encode_video(codec, NULL, frame->data, &encoded_data_len, flagp);
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags,
int stream_id)
{
switch_io_event_hook_video_write_frame_t *ptr;
switch_status_t status = SWITCH_STATUS_FALSE;
if (switch_channel_down(session->channel)) {
return SWITCH_STATUS_FALSE;
}
if (switch_channel_test_flag(session->channel, CF_VIDEO_PAUSE)) {
return SWITCH_STATUS_SUCCESS;
}
if (session->endpoint_interface->io_routines->write_video_frame) {
if ((status = session->endpoint_interface->io_routines->write_video_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
for (ptr = session->event_hooks.video_write_frame; ptr; ptr = ptr->next) {
if ((status = ptr->video_write_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
break;
}
}
}
}
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags,
int stream_id)
{
switch_status_t status = SWITCH_STATUS_FALSE;
switch_io_event_hook_video_read_frame_t *ptr;
switch_assert(session != NULL);
if (switch_channel_down(session->channel)) {
return SWITCH_STATUS_FALSE;
}
if (switch_channel_test_flag(session->channel, CF_VIDEO_PAUSE)) {
*frame = &runtime.dummy_cng_frame;
switch_yield(20000);
return SWITCH_STATUS_SUCCESS;
}
if (session->endpoint_interface->io_routines->read_video_frame) {
if ((status = session->endpoint_interface->io_routines->read_video_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
for (ptr = session->event_hooks.video_read_frame; ptr; ptr = ptr->next) {
if ((status = ptr->video_read_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
break;
}
}
}
}
if (status == SWITCH_STATUS_INUSE) {
*frame = &runtime.dummy_cng_frame;
switch_yield(20000);
return SWITCH_STATUS_SUCCESS;
}
if (status != SWITCH_STATUS_SUCCESS) {
goto done;
}
if (!(*frame)) {
goto done;
}
if (switch_test_flag(*frame, SFF_CNG)) {
status = SWITCH_STATUS_SUCCESS;
goto done;
}
if (session->bugs) {
switch_media_bug_t *bp;
switch_bool_t ok = SWITCH_TRUE;
int prune = 0;
switch_thread_rwlock_rdlock(session->bug_rwlock);
for (bp = session->bugs; bp; bp = bp->next) {
if (switch_channel_test_flag(session->channel, CF_PAUSE_BUGS) && !switch_core_media_bug_test_flag(bp, SMBF_NO_PAUSE)) {
continue;
}
if (!switch_channel_test_flag(session->channel, CF_ANSWERED) && switch_core_media_bug_test_flag(bp, SMBF_ANSWER_REQ)) {
continue;
}
if (switch_test_flag(bp, SMBF_PRUNE)) {
prune++;
continue;
}
if (bp->ready && switch_test_flag(bp, SMBF_READ_PING)) {
switch_mutex_lock(bp->read_mutex);
bp->ping_frame = *frame;
if (bp->callback) {
if (bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ_VIDEO_PING) == SWITCH_FALSE
|| (bp->stop_time && bp->stop_time <= switch_epoch_time_now(NULL))) {
ok = SWITCH_FALSE;
}
}
bp->ping_frame = NULL;;
switch_mutex_unlock(bp->read_mutex);
}
if (ok == SWITCH_FALSE) {
switch_set_flag(bp, SMBF_PRUNE);
prune++;
}
}
switch_thread_rwlock_unlock(session->bug_rwlock);
if (prune) {
switch_core_media_bug_prune(session);
}
}
done:
return status;
}
SWITCH_DECLARE(void) switch_core_gen_encoded_silence(unsigned char *data, const switch_codec_implementation_t *read_impl, switch_size_t len)
{
unsigned char g729_filler[] = {