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EA ADPCM R1, R2 and R3 decoder

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original patch by Peter Ross

Originally committed as revision 10856 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Ross
2007-10-24 20:49:42 +00:00
committed by Aurelien Jacobs
parent d2bbb2f743
commit e758396268
5 changed files with 115 additions and 4 deletions
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10
libavformat/electronicarts.c
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@ -149,6 +149,16 @@ static int process_audio_header_elements(AVFormatContext *s)
switch (compression_type) {
case 0: ea->audio_codec = CODEC_ID_PCM_S16LE; break;
case 7: ea->audio_codec = CODEC_ID_ADPCM_EA; break;
case -1:
switch (revision) {
case 1: ea->audio_codec = CODEC_ID_ADPCM_EA_R1; break;
case 2: ea->audio_codec = CODEC_ID_ADPCM_EA_R2; break;
case 3: ea->audio_codec = CODEC_ID_ADPCM_EA_R3; break;
default:
av_log(s, AV_LOG_ERROR, "unsupported stream type; revision=%i\n", revision);
return 0;
}
break;
default:
av_log(s, AV_LOG_ERROR, "unsupported stream type; compression_type=%i\n", compression_type);
return 0;