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Merge commit 'b9b82151a1aaa8bbf389853a6142c4e101d80b86'

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* commit 'b9b82151a1aaa8bbf389853a6142c4e101d80b86':
  rtsp: Move the pollfd setup out of the for loop

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-10-03 21:37:37 -03:00
commit 7c74efeaf8
1 changed files with 28 additions and 28 deletions
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56
libavformat/rtsp.c
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@ -1931,39 +1931,39 @@ static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
struct pollfd *p = rt->p;
int *fds = NULL, fdsnum, fdsidx;
if (rt->rtsp_hd) {
tcp_fd = ffurl_get_file_handle(rt->rtsp_hd);
p[max_p].fd = tcp_fd;
p[max_p++].events = POLLIN;
} else {
tcp_fd = -1;
}
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st->rtp_handle) {
if (ret = ffurl_get_multi_file_handle(rtsp_st->rtp_handle,
&fds, &fdsnum)) {
av_log(s, AV_LOG_ERROR, "Unable to recover rtp ports\n");
return ret;
}
if (fdsnum != 2) {
av_log(s, AV_LOG_ERROR,
"Number of fds %d not supported\n", fdsnum);
return AVERROR_INVALIDDATA;
}
for (fdsidx = 0; fdsidx < fdsnum; fdsidx++) {
p[max_p].fd = fds[fdsidx];
p[max_p++].events = POLLIN;
}
av_freep(&fds);
}
}
for (;;) {
if (ff_check_interrupt(&s->interrupt_callback))
return AVERROR_EXIT;
if (wait_end && wait_end - av_gettime_relative() < 0)
return AVERROR(EAGAIN);
max_p = 0;
if (rt->rtsp_hd) {
tcp_fd = ffurl_get_file_handle(rt->rtsp_hd);
p[max_p].fd = tcp_fd;
p[max_p++].events = POLLIN;
} else {
tcp_fd = -1;
}
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st->rtp_handle) {
if (ret = ffurl_get_multi_file_handle(rtsp_st->rtp_handle,
&fds, &fdsnum)) {
av_log(s, AV_LOG_ERROR, "Unable to recover rtp ports\n");
return ret;
}
if (fdsnum != 2) {
av_log(s, AV_LOG_ERROR,
"Number of fds %d not supported\n", fdsnum);
return AVERROR_INVALIDDATA;
}
for (fdsidx = 0; fdsidx < fdsnum; fdsidx++) {
p[max_p].fd = fds[fdsidx];
p[max_p++].events = POLLIN;
}
av_freep(&fds);
}
}
n = poll(p, max_p, POLL_TIMEOUT_MS);
if (n > 0) {
int j = 1 - (tcp_fd == -1);