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- realaudio ATRC (sony atrac3) codec support

Browse Source 
- fixed passing of codecdata from demuxer to codec
patch by Fabian Franz <FabianFranz@gmx.de>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8095 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-11-04 00:23:53 +00:00
parent 97e7f07a8c
commit 2dd245f0dd
3 changed files with 55 additions and 16 deletions
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7
etc/codecs.conf
View File

@ -1197,6 +1197,13 @@ audiocodec rasipr
driver realaud
dll "sipr.so.6.0"
audiocodec raatrc
info "RealAudio ATRAC3"
status working
format 0x63727461 ; "atrc"
driver realaud
dll "atrc.so.6.0"
audiocodec imaadpcm
info "IMA ADPCM"
status working

6
libmpcodecs/ad_realaud.c
View File

@ -112,9 +112,9 @@ static int preinit(sh_audio_t *sh){
sh->wf->nSamplesPerSec,sh->wf->wBitsPerSample,sh->wf->nChannels,
100, // ???
((short*)(sh->wf+1))[0], // subpacket size
sh->wf->nBlockAlign,
16, // ??
((char*)(sh->wf+1))+6+8
((short*)(sh->wf+1))[3], // coded frame size
((short*)(sh->wf+1))[4], // codec data length
((char*)(sh->wf+1))+10 // extras
};
result=raInitDecoder(sh->context,&init_data);
if(result){

58
libmpdemux/demux_real.c
View File

@ -8,6 +8,11 @@
TODO: fix the whole syncing mechanism
$Log$
Revision 1.30 2002/11/04 00:23:53 arpi
- realaudio ATRC (sony atrac3) codec support
- fixed passing of codecdata from demuxer to codec
patch by Fabian Franz <FabianFranz@gmx.de>
Revision 1.29 2002/11/01 17:46:43 arpi
verbose can be negative
@ -902,6 +907,8 @@ void demux_open_real(demuxer_t* demuxer)
int sub_packet_h;
int version;
int flavor;
int coded_frame_size;
int codecdata_length;
mp_msg(MSGT_DEMUX,MSGL_V,"Found audio stream!\n");
version = stream_read_word(demuxer->stream);
@ -913,7 +920,8 @@ void demux_open_real(demuxer_t* demuxer)
stream_skip(demuxer->stream, 2); /* version (4 or 5) */
stream_skip(demuxer->stream, 4); // header size == 0x4E
flavor = stream_read_word(demuxer->stream);/* codec flavor id */
stream_skip(demuxer->stream, 4); /* coded frame size */
coded_frame_size = stream_read_dword(demuxer->stream);/* needed by codec */
//stream_skip(demuxer->stream, 4); /* coded frame size */
stream_skip(demuxer->stream, 4); // big number
stream_skip(demuxer->stream, 4); // bigger number
stream_skip(demuxer->stream, 4); // 2 || -''-
@ -961,6 +969,23 @@ void demux_open_real(demuxer_t* demuxer)
sh->wf->cbSize = 0;
sh->format = MKTAG(buf[0], buf[1], buf[2], buf[3]);
switch (sh->format){
case MKTAG('d', 'n', 'e', 't'):
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: DNET (AC3 with low-bitrate extension)\n");
break;
case MKTAG('s', 'i', 'p', 'r'):
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: SiproLab's ACELP.net\n");
break;
case MKTAG('c', 'o', 'o', 'k'):
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: Real's GeneralCooker (?) (RealAudio G2?) (unsupported)\n");
break;
case MKTAG('a', 't', 'r', 'c'):
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: Sony ATRAC3 (RealAudio 8) (unsupported)\n");
break;
default:
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: Unknown (%s)\n", buf);
}
switch (sh->format)
{
case MKTAG('d', 'n', 'e', 't'):
@ -969,7 +994,6 @@ void demux_open_real(demuxer_t* demuxer)
break;
case MKTAG('s', 'i', 'p', 'r'):
#if 0
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: SiproLab's ACELP.net\n");
sh->format = 0x130;
/* for buggy directshow loader */
sh->wf->cbSize = 4;
@ -989,26 +1013,34 @@ void demux_open_real(demuxer_t* demuxer)
// sh->wf[sizeof(WAVEFORMATEX)+4] = 0;
break;
#endif
case MKTAG('c', 'o', 'o', 'k'):
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: Real's GeneralCooker (?) (RealAudio G2?) (unsupported)\n");
sh->wf->cbSize = 4+2+24;
sh->wf = realloc(sh->wf, sizeof(WAVEFORMATEX)+sh->wf->cbSize);
((short*)(sh->wf+1))[0]=sub_packet_size;
((short*)(sh->wf+1))[1]=sub_packet_h;
((short*)(sh->wf+1))[2]=flavor;
stream_read(demuxer->stream, ((char*)(sh->wf+1))+6, 24); // extras
break;
case MKTAG('a', 't', 'r', 'c'):
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: Sony ATRAC3 (RealAudio 8) (unsupported)\n");
#if 0
sh->format = 0x270;
/* 14 bytes extra header needed ! */
sh->wf->cbSize = 14;
sh->wf = realloc(sh->wf, sizeof(WAVEFORMATEX)+sh->wf->cbSize);
sh->wf->nAvgBytesPerSec = 16537; // 8268
sh->wf->nBlockAlign = 384; // 192
sh->wf->wBitsPerSample = 0; /* from AVI created by VirtualDub */
break;
#endif
case MKTAG('c', 'o', 'o', 'k'):
// realaudio codec plugins - common:
// sh->wf->cbSize = 4+2+24;
stream_skip(demuxer->stream,3); // Skip 3 unknown bytes
if (version==5)
stream_skip(demuxer->stream,1); // Skip 1 additional unknown byte
codecdata_length=stream_read_dword(demuxer->stream);
sh->wf->cbSize = 10+codecdata_length;
sh->wf = realloc(sh->wf, sizeof(WAVEFORMATEX)+sh->wf->cbSize);
((short*)(sh->wf+1))[0]=sub_packet_size;
((short*)(sh->wf+1))[1]=sub_packet_h;
((short*)(sh->wf+1))[2]=flavor;
((short*)(sh->wf+1))[3]=coded_frame_size;
((short*)(sh->wf+1))[4]=codecdata_length;
// stream_read(demuxer->stream, ((char*)(sh->wf+1))+6, 24); // extras
stream_read(demuxer->stream, ((char*)(sh->wf+1))+10, codecdata_length); // extras
break;
default:
mp_msg(MSGT_DEMUX,MSGL_V,"Audio: Unknown (%s)\n", buf);
}