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factorize

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Originally committed as revision 19007 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier
2009-05-31 03:40:36 +00:00
parent f42d1d824e
commit 6a2a50f81f
1 changed files with 12 additions and 13 deletions
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25
libavformat/mpegts.c
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@@ -521,6 +521,14 @@ static const StreamType REGD_types[] = {
{ 0 },
};
/* descriptor present */
static const StreamType DESC_types[] = {
{ 0x6a, CODEC_TYPE_AUDIO, CODEC_ID_AC3 }, /* AC-3 descriptor */
{ 0x7a, CODEC_TYPE_AUDIO, CODEC_ID_AC3 },
{ 0x7b, CODEC_TYPE_AUDIO, CODEC_ID_DTS },
{ 0x59, CODEC_TYPE_SUBTITLE, CODEC_ID_DVB_SUBTITLE }, /* subtitling descriptor */
};
static void mpegts_find_stream_type(AVStream *st,
uint32_t stream_type, const StreamType *types)
{
@@ -665,21 +673,12 @@ static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
dprintf(ts->stream, "tag: 0x%02x len=%d\n",
desc_tag, desc_len);
if (st->codec->codec_id == CODEC_ID_PROBE &&
stream_type == STREAM_TYPE_PRIVATE_DATA)
mpegts_find_stream_type(st, desc_tag, DESC_types);
switch(desc_tag) {
case 0x6a: /* AC-3 descriptor */
case 0x7a: /* AC-3 descriptor */
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_AC3;
break;
case 0x7b:
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_DTS;
break;
case 0x59: /* subtitling descriptor */
if (stream_type == STREAM_TYPE_PRIVATE_DATA) {
st->codec->codec_type = CODEC_TYPE_SUBTITLE;
st->codec->codec_id = CODEC_ID_DVB_SUBTITLE;
}
language[0] = get8(&p, desc_end);
language[1] = get8(&p, desc_end);
language[2] = get8(&p, desc_end);