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| author | Martin Storsjö <martin@martin.st> | 2013-07-31 12:21:47 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-07-31 21:12:34 +0300 |
| commit | 892b0be1dfbdeaf71235fb6c593286e4f5c7e4ec (patch) | |
| tree | 932a1f49d6bced116cf0f575006d682300b6d018 /libavformat/rtpproto.c | |
| parent | 7531588fffbca1f0afdcc06635999c00dfc16ca6 (diff) | |
| download | ffmpeg-892b0be1dfbdeaf71235fb6c593286e4f5c7e4ec.tar.gz | |
rtpproto: Simplify the rtp_read function by looping over the fds
This avoids having duplicate code where only the fd parameter
differs.
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/rtpproto.c')
| -rw-r--r-- | libavformat/rtpproto.c | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/libavformat/rtpproto.c b/libavformat/rtpproto.c index 2ec57ee89d..c857318ca5 100644 --- a/libavformat/rtpproto.c +++ b/libavformat/rtpproto.c @@ -324,7 +324,7 @@ static int rtp_read(URLContext *h, uint8_t *buf, int size) RTPContext *s = h->priv_data; struct sockaddr_storage from; socklen_t from_len; - int len, n; + int len, n, i; struct pollfd p[2] = {{s->rtp_fd, POLLIN, 0}, {s->rtcp_fd, POLLIN, 0}}; int poll_delay = h->flags & AVIO_FLAG_NONBLOCK ? 0 : 100; @@ -333,25 +333,12 @@ static int rtp_read(URLContext *h, uint8_t *buf, int size) return AVERROR_EXIT; n = poll(p, 2, poll_delay); if (n > 0) { - /* first try RTCP */ - if (p[1].revents & POLLIN) { - from_len = sizeof(from); - len = recvfrom (s->rtcp_fd, buf, size, 0, - (struct sockaddr *)&from, &from_len); - if (len < 0) { - if (ff_neterrno() == AVERROR(EAGAIN) || - ff_neterrno() == AVERROR(EINTR)) - continue; - return AVERROR(EIO); - } - if (rtp_check_source_lists(s, &from)) + /* first try RTCP, then RTP */ + for (i = 1; i >= 0; i--) { + if (!(p[i].revents & POLLIN)) continue; - break; - } - /* then RTP */ - if (p[0].revents & POLLIN) { from_len = sizeof(from); - len = recvfrom (s->rtp_fd, buf, size, 0, + len = recvfrom(p[i].fd, buf, size, 0, (struct sockaddr *)&from, &from_len); if (len < 0) { if (ff_neterrno() == AVERROR(EAGAIN) || @@ -361,7 +348,7 @@ static int rtp_read(URLContext *h, uint8_t *buf, int size) } if (rtp_check_source_lists(s, &from)) continue; - break; + return len; } } else if (n < 0) { if (ff_neterrno() == AVERROR(EINTR)) |