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rtpdec: Malloc the fmtp value buffer

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This allows very large value strings, needed for xiph extradata.

Patch by Josh Allmann, joshua dot allmann at gmail

Originally committed as revision 23859 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Josh Allmann
2010-06-28 20:27:25 +00:00
committed by Martin Storsjö
parent 0fecad09fe
commit 824535e3c6
1 changed files with 12 additions and 3 deletions
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15
libavformat/rtpdec.c
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@@ -538,8 +538,14 @@ int ff_parse_fmtp(AVStream *stream, PayloadContext *data, const char *p,
char *attr, char *value))
{
char attr[256];
char value[4096];
char *value;
int res;
int value_size = strlen(p) + 1;
if (!(value = av_malloc(value_size))) {
av_log(stream, AV_LOG_ERROR, "Failed to allocate data for FMTP.");
return AVERROR(ENOMEM);
}
// remove protocol identifier
while (*p && *p == ' ') p++; // strip spaces
@@ -548,11 +554,14 @@ int ff_parse_fmtp(AVStream *stream, PayloadContext *data, const char *p,
while (ff_rtsp_next_attr_and_value(&p,
attr, sizeof(attr),
value, sizeof(value))) {
value, value_size)) {
res = parse_fmtp(stream, data, attr, value);
if (res < 0)
if (res < 0 && res != AVERROR_PATCHWELCOME) {
av_free(value);
return res;
}
}
av_free(value);
return 0;
}