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| author | Claudio Freire <klaussfreire@gmail.com> | 2016-01-08 06:18:24 -0300 |
|---|---|---|
| committer | Claudio Freire <klaussfreire@gmail.com> | 2016-01-13 05:28:34 -0300 |
| commit | aa64a483575be65eedb336ab949e865e441d1f85 (patch) | |
| tree | 62c6d7722b982e9ba27a5d42cc95204da078d2eb /libavcodec/aacenc_is.c | |
| parent | 6711aa21e263a270ecd2d6a6ee1b673e665ce98a (diff) | |
| download | ffmpeg-aa64a483575be65eedb336ab949e865e441d1f85.tar.gz | |
AAC encoder: fix I/S relative error evaluation
The relative error between two encoding strategies is the simple
difference of rate-distortion values, and not the absolute
difference. An absolute measure would allow worsening of the
quantization error as well as improving.
Diffstat (limited to 'libavcodec/aacenc_is.c')
| -rw-r--r-- | libavcodec/aacenc_is.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aacenc_is.c b/libavcodec/aacenc_is.c index ac4789a492..d77fcb5a98 100644 --- a/libavcodec/aacenc_is.c +++ b/libavcodec/aacenc_is.c @@ -87,7 +87,7 @@ struct AACISError ff_aac_is_encoding_err(AACEncContext *s, ChannelElement *cpe, is_error.pass = dist2 <= dist1; is_error.phase = phase; - is_error.error = fabsf(dist1 - dist2); + is_error.error = dist2 - dist1; is_error.dist1 = dist1; is_error.dist2 = dist2; is_error.ener01 = ener01; |