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| author | Jean-Francois Thibert <jfthibert@google.com> | 2014-08-26 19:16:06 -0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-08-27 14:31:39 +0200 |
| commit | 12df9b9a151026c4b382df8852fad38165b49f95 (patch) | |
| tree | 5b2f03eae9dc3e3eb44cdb0b1cd930a5d0e03012 /libavcodec/ac3dec_float.c | |
| parent | 7a67ab5cba8ed5509be5d058fe9e5612ef39d3b0 (diff) | |
| download | ffmpeg-12df9b9a151026c4b382df8852fad38165b49f95.tar.gz | |
Improved AC3 decoder level support (heavy drc, dialnorm)
Added support for AC3 heavy dynamic range compression used
to restrict the output range and added a setting to specify
the output target level and use the dialog normalization
field to apply it in the digital domain.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ac3dec_float.c')
| -rw-r--r-- | libavcodec/ac3dec_float.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/ac3dec_float.c b/libavcodec/ac3dec_float.c index 7108921701..e7fc5cbed1 100644 --- a/libavcodec/ac3dec_float.c +++ b/libavcodec/ac3dec_float.c @@ -32,6 +32,8 @@ static const AVOption options[] = { { "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", "heavy dynamic range compression enabled", OFFSET(heavy_compression), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 1, PAR }, + { "target_level", "target level in -dBFS (0 not applied)", OFFSET(target_level), AV_OPT_TYPE_INT, {.i64 = 0 }, -31, 0, PAR }, {"dmix_mode", "Preferred Stereo Downmix Mode", OFFSET(preferred_stereo_downmix), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 2, 0, "dmix_mode"}, {"ltrt_cmixlev", "Lt/Rt Center Mix Level", OFFSET(ltrt_center_mix_level), AV_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1.0, 2.0, 0}, |