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more conference fixes 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4462 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2007-03-07 00:53:51 +00:00
parent feb323e04d
commit 30a9513b5a
1 changed files with 53 additions and 28 deletions
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81
src/mod/applications/mod_conference/mod_conference.c
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@ -118,7 +118,8 @@ typedef enum {
MFLAG_ITHREAD = (1 << 4),
MFLAG_NOCHANNEL = (1 << 5),
MFLAG_INTREE = (1 << 6),
MFLAG_WASTE_BANDWIDTH = (1 << 7)
MFLAG_WASTE_BANDWIDTH = (1 << 7),
MFLAG_FLUSH_BUFFER = (1 << 8)
} member_flag_t;
typedef enum {
@ -815,9 +816,11 @@ static void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t *thread, v
/* Go back and write each member his dedicated copy of the audio frame that does not contain his own audio. */
for (imember = conference->members; imember; imember = imember->next) {
switch_mutex_lock(imember->audio_out_mutex);
switch_buffer_write(imember->mux_buffer, imember->mux_frame, imember->len);
switch_mutex_unlock(imember->audio_out_mutex);
if (switch_test_flag(imember, MFLAG_RUNNING)) {
switch_mutex_lock(imember->audio_out_mutex);
switch_buffer_write(imember->mux_buffer, imember->mux_frame, imember->len);
switch_mutex_unlock(imember->audio_out_mutex);
}
}
}
@ -1333,7 +1336,8 @@ static void *SWITCH_THREAD_FUNC conference_loop_input(switch_thread_t *thread, v
if (!talking) {
switch_event_t *event;
talking = 1;
talking = 1;
switch_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, CONF_EVENT_MAINT) == SWITCH_STATUS_SUCCESS) {
switch_channel_event_set_data(channel, event);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Conference-Name", "%s", member->conference->name);
@ -1444,7 +1448,7 @@ static void conference_loop_output(conference_member_t *member)
uint32_t interval = read_codec->implementation->microseconds_per_frame / 1000;
//uint32_t samples = switch_bytes_per_frame(member->conference->rate, member->conference->interval);
uint32_t samples = switch_bytes_per_frame(read_codec->implementation->samples_per_second, interval);
uint32_t bytes = samples * 2;
uint32_t low_count = 0, bytes = samples * 2;
channel = switch_core_session_get_channel(member->session);
@ -1627,41 +1631,62 @@ static void conference_loop_output(conference_member_t *member)
switch_core_timer_next(&timer);
/* forget the conference data we played file node data instead */
switch_mutex_lock(member->audio_out_mutex);
switch_buffer_zero(member->mux_buffer);
switch_mutex_unlock(member->audio_out_mutex);
switch_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
}
}
}
switch_mutex_unlock(member->flag_mutex);
} else { /* send the conferecne frame to the call leg */
switch_buffer_t *use_buffer = NULL;
uint32_t mux_used = (uint32_t)switch_buffer_inuse(member->mux_buffer) >= bytes ? 1 : 0;
uint32_t mux_used = (uint32_t) switch_buffer_inuse(member->mux_buffer);
if (mux_used){
if (mux_used < bytes) {
if (++low_count >= 5) {
/* partial frame sitting around this long is useless and builds delay */
switch_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
}
mux_used = 0;
} else if (mux_used > bytes * 2) {
/* getting behind, clear the buffer */
switch_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
}
}
if (switch_test_flag(member, MFLAG_FLUSH_BUFFER)) {
if (mux_used) {
switch_mutex_lock(member->audio_out_mutex);
switch_buffer_zero(member->mux_buffer);
switch_mutex_unlock(member->audio_out_mutex);
mux_used = 0;
}
switch_clear_flag_locked(member, MFLAG_FLUSH_BUFFER);
}
if (mux_used) {
while (mux_used) {
/* Flush the output buffer and write all the data (presumably muxed) back to the channel */
switch_mutex_lock(member->audio_out_mutex);
write_frame.data = data;
use_buffer = member->mux_buffer;
/* Flush the output buffer and write all the data (presumably muxed) back to the channel */
switch_mutex_lock(member->audio_out_mutex);
write_frame.data = data;
use_buffer = member->mux_buffer;
low_count = 0;
if ((write_frame.datalen = (uint32_t)switch_buffer_read(use_buffer, write_frame.data, bytes))) {
if (write_frame.datalen && switch_test_flag(member, MFLAG_CAN_HEAR)) {
write_frame.samples = write_frame.datalen / 2;
if ((write_frame.datalen = (uint32_t)switch_buffer_read(use_buffer, write_frame.data, bytes))) {
if (write_frame.datalen && switch_test_flag(member, MFLAG_CAN_HEAR)) {
write_frame.samples = write_frame.datalen / 2;
/* Check for output volume adjustments */
if (member->volume_out_level) {
switch_change_sln_volume(write_frame.data, write_frame.samples, member->volume_out_level);
}
write_frame.timestamp = timer.samplecount;
switch_core_session_write_frame(member->session, &write_frame, -1, 0);
/* Check for output volume adjustments */
if (member->volume_out_level) {
switch_change_sln_volume(write_frame.data, write_frame.samples, member->volume_out_level);
}
//printf("WRITE %d %d\n", write_frame.datalen, ++x);
write_frame.timestamp = timer.samplecount;
switch_core_session_write_frame(member->session, &write_frame, -1, 0);
}
mux_used = (uint32_t)switch_buffer_inuse(member->mux_buffer) >= bytes ? 1 : 0;
switch_mutex_unlock(member->audio_out_mutex);
switch_core_timer_next(&timer);
}
switch_mutex_unlock(member->audio_out_mutex);
switch_core_timer_next(&timer);
} else {
if (switch_test_flag(member, MFLAG_WASTE_BANDWIDTH)) {
memset(write_frame.data, 255, bytes);