diff options
| author | Siarhei Siamashka <siarhei.siamashka@gmail.com> | 2009-05-20 07:24:38 +0000 |
|---|---|---|
| committer | Siarhei Siamashka <siarhei.siamashka@gmail.com> | 2009-05-20 07:24:38 +0000 |
| commit | 7dfed8e1dce97a45f501ddedbdd69f30f09f0468 (patch) | |
| tree | 343c1859ec7d9b2ff6c0905c1703d53d459795b9 | |
| parent | 34aecf1c87e42c749b2f329f0dfe76bc6e3ccebe (diff) | |
| download | ffmpeg-7dfed8e1dce97a45f501ddedbdd69f30f09f0468.tar.gz | |
Fix for a problem with inverted sign of output data from ffvorbis decoder.
Now the sign of audio samples in ffvorbis output is the same as in original
uncompressed audio file and this also allows the use of tiny_psnr to compare
ffvorbis with libvorbis/tremor.
Originally committed as revision 18878 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/vorbis_dec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/vorbis_dec.c b/libavcodec/vorbis_dec.c index f7b10e61b3..827619efa0 100644 --- a/libavcodec/vorbis_dec.c +++ b/libavcodec/vorbis_dec.c @@ -896,8 +896,8 @@ static int vorbis_parse_id_hdr(vorbis_context *vc){ vc->saved = av_mallocz((vc->blocksize[1]/4)*vc->audio_channels * sizeof(float)); vc->previous_window=0; - ff_mdct_init(&vc->mdct[0], bl0, 1, 1.0); - ff_mdct_init(&vc->mdct[1], bl1, 1, 1.0); + ff_mdct_init(&vc->mdct[0], bl0, 1, -1.0); + ff_mdct_init(&vc->mdct[1], bl1, 1, -1.0); AV_DEBUG(" vorbis version %d \n audio_channels %d \n audio_samplerate %d \n bitrate_max %d \n bitrate_nom %d \n bitrate_min %d \n blk_0 %d blk_1 %d \n ", vc->version, vc->audio_channels, vc->audio_samplerate, vc->bitrate_maximum, vc->bitrate_nominal, vc->bitrate_minimum, vc->blocksize[0], vc->blocksize[1]); |