diff options
| author | Paul B Mahol <onemda@gmail.com> | 2015-09-17 21:13:37 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2015-09-17 21:16:26 +0000 |
| commit | 32e1af77ec128518a880ae6a5e3d17546ee10714 (patch) | |
| tree | c0b0f50150235f6f2b2896d61f57f8cf5a0d860c | |
| parent | 58fe57d5a05ad8d15c320b2bd163debbc412bdd3 (diff) | |
| download | ffmpeg-32e1af77ec128518a880ae6a5e3d17546ee10714.tar.gz | |
avcodec/dcaenc: fix lfe fir coefficients
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | libavcodec/dcaenc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavcodec/dcaenc.c b/libavcodec/dcaenc.c index 07ddae88da..5a6bdac010 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++) { |