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rtsp: Only interpret $ as interleaved packet indicator at the start of replies 

Allow $ as character anywhere within normal RTSP replies - both
within the lines, and as the first character of RTSP header lines.
(The existing old comment indicated that an inline packet could
start at any line within a RTSP reply header, but that doesn't
sound valid to me, and I'm not sure if the existing code
handled that correctly either.)

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-01-21 13:05:43 +01:00
parent 6877537ff3
commit 764ec70149
1 changed files with 3 additions and 2 deletions
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5
libavformat/rtsp.c
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@ -1128,6 +1128,7 @@ int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply,
unsigned char ch;
const char *p;
int ret, content_length, line_count = 0, request = 0;
int first_line = 1;
unsigned char *content = NULL;
start:
@ -1147,8 +1148,7 @@ start:
return AVERROR_EOF;
if (ch == '\n')
break;
if (ch == '$') {
/* XXX: only parse it if first char on line ? */
if (ch == '$' && first_line && q == buf) {
if (return_on_interleaved_data) {
return 1;
} else
@ -1159,6 +1159,7 @@ start:
}
}
*q = '\0';
first_line = 0;
av_log(s, AV_LOG_TRACE, "line='%s'\n", buf);