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Merge commit '5263f464db5f2df74ddf712f6d1221b24475fa8e'

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* commit '5263f464db5f2df74ddf712f6d1221b24475fa8e':
  rtsp: Lazily allocate the pollfd array

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-10-03 21:40:22 -03:00
commit c2916564d8
1 changed files with 6 additions and 3 deletions
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9
libavformat/rtsp.c
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@ -670,7 +670,6 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
int ff_sdp_parse(AVFormatContext *s, const char *content)
{
RTSPState *rt = s->priv_data;
const char *p;
int letter, i;
/* Some SDP lines, particularly for Realmedia or ASF RTSP streams,
@ -717,8 +716,6 @@ int ff_sdp_parse(AVFormatContext *s, const char *content)
av_freep(&s1->default_exclude_source_addrs[i]);
av_freep(&s1->default_exclude_source_addrs);
rt->p = av_malloc_array(rt->nb_rtsp_streams + 1, sizeof(struct pollfd) * 2);
if (!rt->p) return AVERROR(ENOMEM);
return 0;
}
#endif /* CONFIG_RTPDEC */
@ -1931,6 +1928,12 @@ static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
struct pollfd *p = rt->p;
int *fds = NULL, fdsnum, fdsidx;
if (!p) {
p = rt->p = av_malloc_array(2 * (rt->nb_rtsp_streams + 1), sizeof(struct pollfd));
if (!p)
return AVERROR(ENOMEM);
}
if (rt->rtsp_hd) {
tcp_fd = ffurl_get_file_handle(rt->rtsp_hd);
p[max_p].fd = tcp_fd;