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| author | Tim Walker <tdskywalker@gmail.com> | 2014-02-18 03:39:51 +0100 |
|---|---|---|
| committer | Tim Walker <tdskywalker@gmail.com> | 2014-09-26 17:09:13 +0200 |
| commit | 4c2fd4b262347273afe97865ba451a1abde43ae6 (patch) | |
| tree | 891d59d0e9ea30c75ee6e931785f92ccc1474dde | |
| parent | b39ebcddd47daf37659796aaa7d068668086507a (diff) | |
| download | ffmpeg-4c2fd4b262347273afe97865ba451a1abde43ae6.tar.gz | |
ac3enc: allow Dolby Pro Logic II as a preferred downmix mode.
Some encoders already use this value even
though it's reserved in the A/52 specification.
| -rw-r--r-- | libavcodec/ac3enc.h | 1 | ||||
| -rw-r--r-- | libavcodec/ac3enc_opts_template.c | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/ac3enc.h b/libavcodec/ac3enc.h index 30c15d0d2f..c7b692d82a 100644 --- a/libavcodec/ac3enc.h +++ b/libavcodec/ac3enc.h @@ -86,6 +86,7 @@ typedef int64_t CoefSumType; #define AC3ENC_OPT_SMALL_ROOM 2 #define AC3ENC_OPT_DOWNMIX_LTRT 1 #define AC3ENC_OPT_DOWNMIX_LORO 2 +#define AC3ENC_OPT_DOWNMIX_DPLII 3 // reserved value in A/52, but used by encoders to indicate DPL2 #define AC3ENC_OPT_ADCONV_STANDARD 0 #define AC3ENC_OPT_ADCONV_HDCD 1 diff --git a/libavcodec/ac3enc_opts_template.c b/libavcodec/ac3enc_opts_template.c index 339a08fad9..8cb5ad1cba 100644 --- a/libavcodec/ac3enc_opts_template.c +++ b/libavcodec/ac3enc_opts_template.c @@ -46,10 +46,11 @@ static const AVOption ac3_options[] = { {"off", "Not Dolby Surround Encoded", 0, AV_OPT_TYPE_CONST, {.i64 = AC3ENC_OPT_MODE_OFF }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dsur_mode"}, {"original", "Original Bit Stream", OFFSET(original), AV_OPT_TYPE_INT, {.i64 = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, 1, AC3ENC_PARAM}, /* extended bitstream information */ -{"dmix_mode", "Preferred Stereo Downmix Mode", OFFSET(preferred_stereo_downmix), AV_OPT_TYPE_INT, {.i64 = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_DOWNMIX_LORO, AC3ENC_PARAM, "dmix_mode"}, +{"dmix_mode", "Preferred Stereo Downmix Mode", OFFSET(preferred_stereo_downmix), AV_OPT_TYPE_INT, {.i64 = AC3ENC_OPT_NONE }, AC3ENC_OPT_NONE, AC3ENC_OPT_DOWNMIX_DPLII, AC3ENC_PARAM, "dmix_mode"}, {"notindicated", "Not Indicated (default)", 0, AV_OPT_TYPE_CONST, {.i64 = AC3ENC_OPT_NOT_INDICATED }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"}, {"ltrt", "Lt/Rt Downmix Preferred", 0, AV_OPT_TYPE_CONST, {.i64 = AC3ENC_OPT_DOWNMIX_LTRT }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"}, {"loro", "Lo/Ro Downmix Preferred", 0, AV_OPT_TYPE_CONST, {.i64 = AC3ENC_OPT_DOWNMIX_LORO }, INT_MIN, INT_MAX, AC3ENC_PARAM, "dmix_mode"}, + {"dplii", "Dolby Pro Logic II Downmix Preferred", 0, AV_OPT_TYPE_CONST, {.i64 = AC3ENC_OPT_DOWNMIX_DPLII }, INT_MIN, INT_MAX, AC3ENC_PARAM, "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, AC3ENC_PARAM}, {"ltrt_surmixlev", "Lt/Rt Surround Mix Level", OFFSET(ltrt_surround_mix_level), AV_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1.0, 2.0, AC3ENC_PARAM}, {"loro_cmixlev", "Lo/Ro Center Mix Level", OFFSET(loro_center_mix_level), AV_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1.0, 2.0, AC3ENC_PARAM}, |