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| author | Anton Khirnov <anton@khirnov.net> | 2011-05-20 22:37:59 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2011-07-10 17:07:12 +0200 |
| commit | 9b83919f44eb1c87dc9431112944f0cccf6a599f (patch) | |
| tree | d5dc047b684367ed16ec2124467bc4fc315dec04 /libavcodec/ac3dec.c | |
| parent | a67c061e0f3b55ffcc96f336fc0998e44b86c8e4 (diff) | |
| download | ffmpeg-9b83919f44eb1c87dc9431112944f0cccf6a599f.tar.gz | |
ac3dec: add a drc_scale private option
Deprecate corresponding AVCodecContext option.
This is the first test of decoder private options.
Diffstat (limited to 'libavcodec/ac3dec.c')
| -rw-r--r-- | libavcodec/ac3dec.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c index 42b62ef701..663acc0ac9 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -30,6 +30,7 @@ #include <string.h> #include "libavutil/crc.h" +#include "libavutil/opt.h" #include "internal.h" #include "aac_ac3_parser.h" #include "ac3_parser.h" @@ -1440,6 +1441,20 @@ static av_cold int ac3_decode_end(AVCodecContext *avctx) return 0; } +#define OFFSET(x) offsetof(AC3DecodeContext, x) +#define PAR (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM) +static const AVOption options[] = { + { "drc_scale", "percentage of dynamic range compression to apply", OFFSET(drc_scale), FF_OPT_TYPE_FLOAT, {1.0}, 0.0, 1.0, PAR }, + { NULL}, +}; + +static const AVClass ac3_decoder_class = { + .class_name = "(E-)AC3 decoder", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + AVCodec ff_ac3_decoder = { .name = "ac3", .type = AVMEDIA_TYPE_AUDIO, @@ -1452,6 +1467,7 @@ AVCodec ff_ac3_decoder = { .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE }, + .priv_class = &ac3_decoder_class, }; #if CONFIG_EAC3_DECODER @@ -1467,5 +1483,6 @@ AVCodec ff_eac3_decoder = { .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE }, + .priv_class = &ac3_decoder_class, }; #endif |