diff options
| author | Jonathan Campbell <jonathan@castus.tv> | 2016-09-03 13:34:01 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-01-22 04:29:16 +0300 |
| commit | d5d474aea53822642f0465825f8a94cb2327e1e6 (patch) | |
| tree | dc60310bade6ffa810181eb0f0ec92dc41241cdf /libavcodec/ac3dec_fixed.c | |
| parent | 76c5a69e26afbfdfc5b6f538594ea12efa31fc9a (diff) | |
avcodec/ac3dec: add consistent noise generation option.
use av_lfg_init_from_data() to seed AC-3 dithering from the AC-3 frame
data to make it consistent given the same AC-3 frame, if option is set.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/ac3dec_fixed.c')
| -rw-r--r-- | libavcodec/ac3dec_fixed.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/ac3dec_fixed.c b/libavcodec/ac3dec_fixed.c index 6416da436e..1f79adee34 100644 --- a/libavcodec/ac3dec_fixed.c +++ b/libavcodec/ac3dec_fixed.c @@ -168,6 +168,7 @@ static void ac3_downmix_c_fixed16(int16_t **samples, int16_t (*matrix)[2], #include "ac3dec.c" static const AVOption options[] = { + { "cons_noisegen", "enable consistent noise generation", OFFSET(consistent_noise_generation), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, PAR }, { "drc_scale", "percentage of dynamic range compression to apply", OFFSET(drc_scale), AV_OPT_TYPE_FLOAT, {.dbl = 1.0}, 0.0, 6.0, PAR }, { "heavy_compr", "enable heavy dynamic range compression", OFFSET(heavy_compression), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, PAR }, { NULL}, |