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ra288 demuxing support (doesnt really work, might be demuxer or decoder bug) 

Originally committed as revision 3992 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-02-28 02:51:53 +00:00
parent b7aa4a59c1
commit 72aef1987e
1 changed files with 19 additions and 7 deletions
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26
libavformat/rm.c
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@ -500,19 +500,21 @@ static void rm_read_audio_stream_info(AVFormatContext *s, AVStream *st,
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = CODEC_ID_RA_144;
} else {
int flavor, sub_packet_h, coded_framesize;
/* old version (4) */
get_be32(pb); /* .ra4 */
get_be32(pb);
get_be16(pb);
get_be32(pb); /* data size */
get_be16(pb); /* version2 */
get_be32(pb); /* header size */
get_be16(pb); /* add codec info */
get_be32(pb); /* coded frame size */
flavor= get_be16(pb); /* add codec info / flavor */
coded_framesize= get_be32(pb); /* coded frame size */
get_be32(pb); /* ??? */
get_be32(pb); /* ??? */
get_be32(pb); /* ??? */
get_be16(pb); /* 1 */
get_be16(pb); /* coded frame size */
get_be32(pb);
sub_packet_h= get_be16(pb); /* 1 */
get_be16(pb); /* frame size */
get_be16(pb); /* sub packet size */
get_be16(pb); /* ??? */
st->codec.sample_rate = get_be16(pb);
get_be32(pb);
st->codec.channels = get_be16(pb);
@ -521,6 +523,16 @@ static void rm_read_audio_stream_info(AVFormatContext *s, AVStream *st,
st->codec.codec_type = CODEC_TYPE_AUDIO;
if (!strcmp(buf, "dnet")) {
st->codec.codec_id = CODEC_ID_AC3;
} else if (!strcmp(buf, "28_8")) {
st->codec.codec_id = CODEC_ID_RA_288;
st->codec.extradata_size= 10;
st->codec.extradata= av_mallocz(st->codec.extradata_size);
/* this is completly braindead and broken, the idiot who added this codec and endianness
specific reordering to mplayer and libavcodec/ra288.c should be drowned in a see of cola */
//FIXME pass the unpermutated extradata
((uint16_t*)st->codec.extradata)[1]= sub_packet_h;
((uint16_t*)st->codec.extradata)[2]= flavor;
((uint16_t*)st->codec.extradata)[3]= coded_framesize;
} else {
st->codec.codec_id = CODEC_ID_NONE;
pstrcpy(st->codec.codec_name, sizeof(st->codec.codec_name),