ffmpeg | branch: master | Rostislav Pehlivanov <atomnu...@gmail.com> | Tue Dec 8 13:21:41 2015 +0000| [6e5dbe7267fc5790ff48225623be2ed9abd575c9] | committer: Rostislav Pehlivanov
aacenc_tns: use 4 bits for short windows With only 7 coefficients per short window at most the extra precision makes a difference and seems to reduce crackling and stddev even further. Signed-off-by: Rostislav Pehlivanov <atomnu...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6e5dbe7267fc5790ff48225623be2ed9abd575c9 --- libavcodec/aacenc_tns.c | 2 +- tests/fate/aac.mak | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/aacenc_tns.c b/libavcodec/aacenc_tns.c index 84f5d09..9ac9ed9 100644 --- a/libavcodec/aacenc_tns.c +++ b/libavcodec/aacenc_tns.c @@ -35,7 +35,7 @@ #define TNS_Q_BITS 4 /* Coefficient resolution in short windows */ -#define TNS_Q_BITS_IS8 3 +#define TNS_Q_BITS_IS8 4 /* We really need the bits we save here elsewhere */ #define TNS_ENABLE_COEF_COMPRESSION diff --git a/tests/fate/aac.mak b/tests/fate/aac.mak index d658751..816fbf0 100644 --- a/tests/fate/aac.mak +++ b/tests/fate/aac.mak @@ -182,7 +182,7 @@ fate-aac-tns-encode: CMD = enc_dec_pcm adts wav s16le $(TARGET_SAMPLES)/audio-re fate-aac-tns-encode: CMP = stddev fate-aac-tns-encode: REF = $(SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav fate-aac-tns-encode: CMP_SHIFT = -4096 -fate-aac-tns-encode: CMP_TARGET = 818 +fate-aac-tns-encode: CMP_TARGET = 817 fate-aac-tns-encode: FUZZ = 6 fate-aac-tns-encode: SIZE_TOLERANCE = 3560 _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog