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layer-1 stream parsing (NOT decoding) support

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7521 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-09-28 02:03:09 +00:00
parent d97d29a54f
commit ad8bc3c607
1 changed files with 13 additions and 0 deletions
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13
mp3lib/sr1.c
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@ -265,7 +265,17 @@ switch(fr->lay){
MP3_framesize=fr->framesize;
fr->framesize += fr->padding - 4;
break;
case 1:
// fr->jsbound = (fr->mode == MPG_MD_JOINT_STEREO) ? (fr->mode_ext<<2)+4 : 32;
MP3_bitrate=tabsel_123[fr->lsf][0][fr->bitrate_index];
MP3_samplerate=freqs[fr->sampling_frequency];
fr->framesize = (long) MP3_bitrate * 12000;
fr->framesize /= MP3_samplerate;
MP3_framesize = fr->framesize;
fr->framesize = ((fr->framesize+fr->padding)<<2)-4;
break;
default:
MP3_framesize=fr->framesize=0;
// fprintf(stderr,"Sorry, unsupported layer type.\n");
return 0;
}
@ -539,6 +549,9 @@ int MP3_DecodeFrame(unsigned char *hova,short single){
switch(fr.lay){
case 2: do_layer2(&fr,single);break;
case 3: do_layer3(&fr,single);break;
case 1:
printf("mp3lib: layer-1 audio not yet supported!\n");
return 4608;
default:
return 0; // unsupported
}