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rtpdec: Cleanup FMTP parsing code in Xiph RTP depacketizer 

Patch by Josh Allmann, joshua dot allmann at gmail

Originally committed as revision 23860 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Josh Allmann 2010-06-28 20:32:03 +00:00 committed by Martin Storsjö
parent 824535e3c6
commit af1308f024
1 changed files with 4 additions and 25 deletions
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29
libavformat/rtpdec_xiph.c
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@ -286,10 +286,11 @@ parse_packed_headers(const uint8_t * packed_headers,
return 0;
}
static int xiph_parse_fmtp_pair(AVCodecContext * codec,
static int xiph_parse_fmtp_pair(AVStream* stream,
PayloadContext *xiph_data,
char *attr, char *value)
{
AVCodecContext *codec = stream->codec;
int result = 0;
if (!strcmp(attr, "sampling")) {
@ -346,34 +347,12 @@ static int xiph_parse_sdp_line(AVFormatContext *s, int st_index,
PayloadContext *data, const char *line)
{
const char *p;
char *value;
char attr[25];
int value_size = strlen(line), attr_size = sizeof(attr), res = 0;
AVCodecContext* codec = s->streams[st_index]->codec;
assert(data);
if (!(value = av_malloc(value_size))) {
av_log(codec, AV_LOG_ERROR, "Out of memory\n");
return AVERROR(ENOMEM);
}
if (av_strstart(line, "fmtp:", &p)) {
// remove protocol identifier
while (*p && *p == ' ') p++; // strip spaces
while (*p && *p != ' ') p++; // eat protocol identifier
while (*p && *p == ' ') p++; // strip trailing spaces
while (ff_rtsp_next_attr_and_value(&p,
attr, attr_size,
value, value_size)) {
res = xiph_parse_fmtp_pair(codec, data, attr, value);
if (res < 0 && res != AVERROR_PATCHWELCOME)
return res;
}
return ff_parse_fmtp(s->streams[st_index], data, p,
xiph_parse_fmtp_pair);
}
av_free(value);
return 0;
}