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extract isom_write_avcc into a function

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Originally committed as revision 11497 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-01-11 01:04:01 +00:00
parent de04ad45ec
commit 6e6eebf919
1 changed files with 19 additions and 12 deletions
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31
libavformat/movenc.c
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@ -475,24 +475,20 @@ static int avc_parse_nal_units(uint8_t *buf_in, uint8_t **buf, int *size)
return 0;
}
static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
static int isom_write_avcc(ByteIOContext *pb, uint8_t *data, int len)
{
offset_t pos = url_ftell(pb);
put_be32(pb, 0);
put_tag(pb, "avcC");
if (track->vosLen > 6) {
if (len > 6) {
/* check for h264 start code */
if (AV_RB32(track->vosData) == 0x00000001) {
uint8_t *buf, *end;
if (AV_RB32(data) == 0x00000001) {
uint8_t *buf=NULL, *end;
uint32_t sps_size=0, pps_size=0;
uint8_t *sps=0, *pps=0;
int ret = avc_parse_nal_units(track->vosData, &track->vosData, &track->vosLen);
int ret = avc_parse_nal_units(data, &buf, &len);
if (ret < 0)
return ret;
buf = track->vosData;
end = track->vosData + track->vosLen;
data = buf;
end = buf + len;
/* look for sps and pps */
while (buf < end) {
@ -524,10 +520,21 @@ static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
put_byte(pb, 1); /* number of pps */
put_be16(pb, pps_size);
put_buffer(pb, pps, pps_size);
av_free(data);
} else {
put_buffer(pb, track->vosData, track->vosLen);
put_buffer(pb, data, len);
}
}
return 0;
}
static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
{
offset_t pos = url_ftell(pb);
put_be32(pb, 0);
put_tag(pb, "avcC");
isom_write_avcc(pb, track->vosData, track->vosLen);
return updateSize(pb, pos);
}