ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Thu Sep 17 21:13:37 2015 +0000| [32e1af77ec128518a880ae6a5e3d17546ee10714] | committer: Paul B Mahol
avcodec/dcaenc: fix lfe fir coefficients Signed-off-by: Paul B Mahol <one...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=32e1af77ec128518a880ae6a5e3d17546ee10714 --- libavcodec/dcaenc.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/libavcodec/dcaenc.c b/libavcodec/dcaenc.c index 07ddae8..5a6bdac 100644 --- a/libavcodec/dcaenc.c +++ b/libavcodec/dcaenc.c @@ -174,10 +174,11 @@ static int encode_init(AVCodecContext *avctx) cb_to_level[i] = (int32_t)(0x7fffffff * pow(10, -0.005 * i)); } - /* FIXME: probably incorrect */ - for (i = 0; i < 256; i++) { - lfe_fir_64i[i] = (int32_t)(0x01ffffff * ff_dca_lfe_fir_64[i]); - lfe_fir_64i[511 - i] = (int32_t)(0x01ffffff * ff_dca_lfe_fir_64[i]); + for (k = 0; k < 32; k++) { + for (j = 0; j < 8; j++) { + lfe_fir_64i[64 * j + k] = (int32_t)(0xffffff800000ULL * ff_dca_lfe_fir_64[8 * k + j]); + lfe_fir_64i[64 * (7-j) + (63 - k)] = (int32_t)(0xffffff800000ULL * ff_dca_lfe_fir_64[8 * k + j]); + } } for (i = 0; i < 512; i++) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
