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fixes transcoding to vorbis with ffmpeg on big endian machines patch by (Sigbjørn Skjæret {sskjer-1 broadpark no}) 

Originally committed as revision 3759 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Sigbjørn Skjæret 2004-12-18 16:20:42 +00:00 committed by Michael Niedermayer
parent 5175b9376f
commit 0d00cf38c6
1 changed files with 4 additions and 4 deletions
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8
libavcodec/oggvorbis.c
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@ -102,18 +102,18 @@ static int oggvorbis_encode_frame(AVCodecContext *avccontext,
OggVorbisContext *context = avccontext->priv_data ; OggVorbisContext *context = avccontext->priv_data ;
float **buffer ; float **buffer ;
ogg_packet op ; ogg_packet op ;
signed char *audio = data ; signed short *audio = data ;
int l, samples = data ? OGGVORBIS_FRAME_SIZE : 0; int l, samples = data ? OGGVORBIS_FRAME_SIZE : 0;
buffer = vorbis_analysis_buffer(&context->vd, samples) ; buffer = vorbis_analysis_buffer(&context->vd, samples) ;
if(context->vi.channels == 1) { if(context->vi.channels == 1) {
for(l = 0 ; l < samples ; l++) for(l = 0 ; l < samples ; l++)
buffer[0][l]=((audio[l*2+1]<<8)|(0x00ff&(int)audio[l*2]))/32768.f; buffer[0][l]=audio[l]/32768.f;
} else { } else {
for(l = 0 ; l < samples ; l++){ for(l = 0 ; l < samples ; l++){
buffer[0][l]=((audio[l*4+1]<<8)|(0x00ff&(int)audio[l*4]))/32768.f; buffer[0][l]=audio[l*2]/32768.f;
buffer[1][l]=((audio[l*4+3]<<8)|(0x00ff&(int)audio[l*4+2]))/32768.f; buffer[1][l]=audio[l*2+1]/32768.f;
} }
} }