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avformat/udp: remove setting cancel state from the TX thread 

Write mode does not use cancellation.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2020-01-26 21:11:53 +01:00
parent fcc9f13717
commit c2b6493bf7
1 changed files with 0 additions and 4 deletions
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4
libavformat/udp.c
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@ -520,14 +520,12 @@ static void *circular_buffer_task_tx( void *_URLContext)
{
URLContext *h = _URLContext;
UDPContext *s = h->priv_data;
int old_cancelstate;
int64_t target_timestamp = av_gettime_relative();
int64_t start_timestamp = av_gettime_relative();
int64_t sent_bits = 0;
int64_t burst_interval = s->bitrate ? (s->burst_bits * 1000000 / s->bitrate) : 0;
int64_t max_delay = s->bitrate ? ((int64_t)h->max_packet_size * 8 * 1000000 / s->bitrate + 1) : 0;
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &old_cancelstate);
pthread_mutex_lock(&s->mutex);
if (ff_socket_nonblock(s->udp_fd, 0) < 0) {
@ -562,7 +560,6 @@ static void *circular_buffer_task_tx( void *_URLContext)
av_fifo_generic_read(s->fifo, s->tmp, len, NULL);
pthread_mutex_unlock(&s->mutex);
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_cancelstate);
if (s->bitrate) {
timestamp = av_gettime_relative();
@ -608,7 +605,6 @@ static void *circular_buffer_task_tx( void *_URLContext)
}
}
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &old_cancelstate);
pthread_mutex_lock(&s->mutex);
}