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Code Issues Releases Wiki Activity

For #307, refine performance

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This commit is contained in:
winlin 2020-04-18 20:37:08 +08:00
parent 9e031c9932
commit c93cd86ce4
11 changed files with 323 additions and 175 deletions
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53
trunk/src/app/srs_app_source.cpp
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@ -269,9 +269,17 @@ void SrsMessageQueue::set_queue_size(srs_utime_t queue_size)
max_queue_size = queue_size;
}
srs_error_t SrsMessageQueue::enqueue(SrsSharedPtrMessage* msg, bool* is_overflow)
srs_error_t SrsMessageQueue::enqueue(SrsSharedPtrMessage* msg, bool* is_overflow, bool pass_timestamp)
{
srs_error_t err = srs_success;
msgs.push_back(msg);
// For RTC, we never care about the timestamp and duration, so we never shrink queue here,
// but we will drop messages in each consumer coroutine.
if (pass_timestamp) {
return err;
}
if (msg->is_av()) {
if (av_start_time == -1) {
@ -281,8 +289,6 @@ srs_error_t SrsMessageQueue::enqueue(SrsSharedPtrMessage* msg, bool* is_overflow
av_end_time = srs_utime_t(msg->timestamp * SRS_UTIME_MILLISECONDS);
}
msgs.push_back(msg);
while (av_end_time - av_start_time > max_queue_size) {
// notice the caller queue already overflow and shrinked.
if (is_overflow) {
@ -295,7 +301,7 @@ srs_error_t SrsMessageQueue::enqueue(SrsSharedPtrMessage* msg, bool* is_overflow
return err;
}
srs_error_t SrsMessageQueue::dump_packets(int max_count, SrsSharedPtrMessage** pmsgs, int& count)
srs_error_t SrsMessageQueue::dump_packets(int max_count, SrsSharedPtrMessage** pmsgs, int& count, bool pass_timestamp)
{
srs_error_t err = srs_success;
@ -308,13 +314,15 @@ srs_error_t SrsMessageQueue::dump_packets(int max_count, SrsSharedPtrMessage** p
count = srs_min(max_count, nb_msgs);
SrsSharedPtrMessage** omsgs = msgs.data();
for (int i = 0; i < count; i++) {
pmsgs[i] = omsgs[i];
memcpy(pmsgs, omsgs, count * sizeof(SrsSharedPtrMessage*));
// For RTC, we enable pass_timestamp mode, which never care about the timestamp and duration,
// so we do not have to update the start time here.
if (!pass_timestamp) {
SrsSharedPtrMessage* last = omsgs[count - 1];
av_start_time = srs_utime_t(last->timestamp * SRS_UTIME_MILLISECONDS);
}
SrsSharedPtrMessage* last = omsgs[count - 1];
av_start_time = srs_utime_t(last->timestamp * SRS_UTIME_MILLISECONDS);
if (count >= nb_msgs) {
// the pmsgs is big enough and clear msgs at most time.
msgs.clear();
@ -433,6 +441,8 @@ SrsConsumer::SrsConsumer(SrsSource* s, SrsConnection* c)
mw_duration = 0;
mw_waiting = false;
#endif
pass_timestamp = false;
}
SrsConsumer::~SrsConsumer()
@ -466,20 +476,35 @@ srs_error_t SrsConsumer::enqueue(SrsSharedPtrMessage* shared_msg, bool atc, SrsR
srs_error_t err = srs_success;
SrsSharedPtrMessage* msg = shared_msg->copy();
if (!atc) {
// For RTC, we enable pass_timestamp mode, which never correct or depends on monotonic increasing of
// timestamp. And in RTC, the audio and video timebase can be different, so we ignore time_jitter here.
if (!pass_timestamp && !atc) {
if ((err = jitter->correct(msg, ag)) != srs_success) {
return srs_error_wrap(err, "consume message");
}
}
if ((err = queue->enqueue(msg, NULL)) != srs_success) {
// Put message in queue, here we may enable pass_timestamp mode.
if ((err = queue->enqueue(msg, NULL, pass_timestamp)) != srs_success) {
return srs_error_wrap(err, "enqueue message");
}
#ifdef SRS_PERF_QUEUE_COND_WAIT
// fire the mw when msgs is enough.
if (mw_waiting) {
// For RTC, we use pass_timestamp mode, we don't care about the timestamp in queue,
// so we only check the messages in queue.
if (pass_timestamp) {
if (queue->size() > mw_min_msgs) {
srs_cond_signal(mw_wait);
mw_waiting = false;
return err;
}
return err;
}
// For RTMP, we wait for messages and duration.
srs_utime_t duration = queue->duration();
bool match_min_msgs = queue->size() > mw_min_msgs;
@ -529,7 +554,7 @@ srs_error_t SrsConsumer::dump_packets(SrsMessageArray* msgs, int& count)
}
// pump msgs from queue.
if ((err = queue->dump_packets(max, msgs->msgs, count)) != srs_success) {
if ((err = queue->dump_packets(max, msgs->msgs, count, pass_timestamp)) != srs_success) {
return srs_error_wrap(err, "dump packets");
}