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look for iframes in the video to know when to switch (needs more)

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7535 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-02-06 01:07:47 +00:00
parent c83a3d250f
commit 2572b55eba
1 changed files with 32 additions and 9 deletions
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41
src/mod/applications/mod_conference/mod_conference.c
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@ -737,8 +737,9 @@ static void *SWITCH_THREAD_FUNC conference_video_thread_run(switch_thread_t *thr
switch_frame_t *vid_frame;
switch_status_t status;
int has_vid = 1;
conference->video_running = 1;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Video thread started for conference %s\n", conference->name);
while (has_vid && conference->video_running == 1 && globals.running && !switch_test_flag(conference, CFLAG_DESTRUCT)) {
if (!conference->floor_holder) {
@ -758,6 +759,25 @@ static void *SWITCH_THREAD_FUNC conference_video_thread_run(switch_thread_t *thr
continue;
}
if (conference->floor_holder != last_member) {
int iframe = 0;
if (vid_frame->codec->implementation->ianacode == 34) { /* h.263 */
iframe = (*((int16_t*)vid_frame->data) >> 12 == 6);
} else if (vid_frame->codec->implementation->ianacode == 115) { /* h.263-1998 */
int y = *((int8_t*)vid_frame->data + 2) & 0xfe;
iframe = (y == 0x80 || y == 0x82);
} else if (vid_frame->codec->implementation->ianacode == 99) { /* h.264 */
iframe = (*((int16_t*)vid_frame->data) >> 5 == 0x11);
} else { /* we need more defs */
iframe = 1;
}
if (!iframe) {
continue;
}
}
last_member = conference->floor_holder;
switch_mutex_lock(conference->member_mutex);
@ -771,7 +791,7 @@ static void *SWITCH_THREAD_FUNC conference_video_thread_run(switch_thread_t *thr
switch_mutex_unlock(conference->member_mutex);
}
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Video thread ending for conference %s\n", conference->name);
conference->video_running = 0;
return NULL;
@ -807,8 +827,8 @@ static void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t * thread,
while (globals.running && !switch_test_flag(conference, CFLAG_DESTRUCT)) {
switch_size_t file_sample_len = samples;
switch_size_t file_data_len = samples * 2;
int has_file_data = 0;
int has_file_data = 0, members_with_video = 0;
if (conference->perpetual_sound && !conference->async_fnode) {
conference_play_file(conference, conference->perpetual_sound, CONF_DEFAULT_LEADIN, NULL, 1);
} else if (conference->moh_sound && conference->count == 1 && !conference->async_fnode) {
@ -829,6 +849,10 @@ static void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t * thread,
total++;
imember->read = 0;
if (switch_channel_test_flag(switch_core_session_get_channel(imember->session), CF_VIDEO)) {
members_with_video++;
}
switch_clear_flag_locked(imember, MFLAG_HAS_AUDIO);
switch_mutex_lock(imember->audio_in_mutex);
@ -841,6 +865,10 @@ static void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t * thread,
switch_mutex_unlock(imember->audio_in_mutex);
}
if (members_with_video && conference->video_running != 1) {
launch_conference_video_thread(conference);
}
/* If a file or speech event is being played */
if (conference->fnode) {
/* Lead in time */
@ -1676,11 +1704,6 @@ static void conference_loop_output(conference_member_t * member)
switch_size_t file_data_len = file_sample_len * 2;
if (switch_channel_test_flag(channel, CF_VIDEO) && member->conference->video_running != 1) {
launch_conference_video_thread(member->conference);
}
switch_mutex_lock(member->flag_mutex);