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Check url_interrupt_cb in rtp_read, wait in select for max 100 ms before rechecking url_interrupt_cb 

Originally committed as revision 22209 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-03-04 15:08:54 +00:00
parent 6c88dc3dbf
commit c2b40ac229
1 changed files with 6 additions and 1 deletions
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7
libavformat/rtpproto.c
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@ -193,6 +193,7 @@ static int rtp_read(URLContext *h, uint8_t *buf, int size)
socklen_t from_len;
int len, fd_max, n;
fd_set rfds;
struct timeval tv;
#if 0
for(;;) {
from_len = sizeof(from);
@ -208,6 +209,8 @@ static int rtp_read(URLContext *h, uint8_t *buf, int size)
}
#else
for(;;) {
if (url_interrupt_cb())
return AVERROR(EINTR);
/* build fdset to listen to RTP and RTCP packets */
FD_ZERO(&rfds);
fd_max = s->rtp_fd;
@ -215,7 +218,9 @@ static int rtp_read(URLContext *h, uint8_t *buf, int size)
if (s->rtcp_fd > fd_max)
fd_max = s->rtcp_fd;
FD_SET(s->rtcp_fd, &rfds);
n = select(fd_max + 1, &rfds, NULL, NULL, NULL);
tv.tv_sec = 0;
tv.tv_usec = 100 * 1000;
n = select(fd_max + 1, &rfds, NULL, NULL, &tv);
if (n > 0) {
/* first try RTCP */
if (FD_ISSET(s->rtcp_fd, &rfds)) {