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ffserver: initialize pbuffer in prepare_sdp_description()

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also check pbuffer before use

Found-by: CSA
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-02 14:03:30 +02:00
parent e706fe7640
commit 1d8d21b90a
1 changed files with 3 additions and 1 deletions
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4
ffserver.c
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@ -2977,6 +2977,8 @@ static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
AVDictionaryEntry *entry = av_dict_get(stream->metadata, "title", NULL, 0); AVDictionaryEntry *entry = av_dict_get(stream->metadata, "title", NULL, 0);
int i; int i;
*pbuffer = NULL;
avc = avformat_alloc_context(); avc = avformat_alloc_context();
if (avc == NULL || !rtp_format) { if (avc == NULL || !rtp_format) {
return -1; return -1;
@ -3013,7 +3015,7 @@ static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
av_free(avc); av_free(avc);
av_free(avs); av_free(avs);
return strlen(*pbuffer); return *pbuffer ? strlen(*pbuffer) : AVERROR(ENOMEM);
} }
static void rtsp_cmd_options(HTTPContext *c, const char *url) static void rtsp_cmd_options(HTTPContext *c, const char *url)