diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2013-07-22 03:23:54 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-07-22 03:23:54 +0200 |
| commit | e2b718464e92fcde3d21c6653c88ddec2ab21c3f (patch) | |
| tree | c69eae690667f39c9f0b2ecd0e064a4a02bf4174 /libswresample | |
| parent | 5169111145bc1d08861a059346ac8900b9aee716 (diff) | |
| download | ffmpeg-e2b718464e92fcde3d21c6653c88ddec2ab21c3f.tar.gz | |
swresample: Make rematrix maxvalue user settable
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswresample')
| -rw-r--r-- | libswresample/rematrix.c | 13 | ||||
| -rw-r--r-- | libswresample/swresample.c | 1 | ||||
| -rw-r--r-- | libswresample/swresample_internal.h | 1 | ||||
| -rw-r--r-- | libswresample/version.h | 2 |
4 files changed, 14 insertions, 3 deletions
diff --git a/libswresample/rematrix.c b/libswresample/rematrix.c index 48aff3be7f..33e2966fd3 100644 --- a/libswresample/rematrix.c +++ b/libswresample/rematrix.c @@ -120,6 +120,7 @@ av_cold static int auto_matrix(SwrContext *s) double maxcoef=0; char buf[128]; const int matrix_encoding = s->matrix_encoding; + float maxval; in_ch_layout = clean_layout(s, s->in_ch_layout); if(!sane_layout(in_ch_layout)){ @@ -304,8 +305,16 @@ av_cold static int auto_matrix(SwrContext *s) if(s->rematrix_volume < 0) maxcoef = -s->rematrix_volume; - if(( av_get_packed_sample_fmt(s->out_sample_fmt) < AV_SAMPLE_FMT_FLT - || av_get_packed_sample_fmt(s->int_sample_fmt) < AV_SAMPLE_FMT_FLT) && maxcoef > 1.0){ + if (s->rematrix_maxval > 0) { + maxval = s->rematrix_maxval; + } else if ( av_get_packed_sample_fmt(s->out_sample_fmt) < AV_SAMPLE_FMT_FLT + || av_get_packed_sample_fmt(s->int_sample_fmt) < AV_SAMPLE_FMT_FLT) { + maxval = 1.0; + } else + maxval = INT_MAX; + + if(maxcoef > maxval){ + maxcoef /= maxval; for(i=0; i<SWR_CH_MAX; i++) for(j=0; j<SWR_CH_MAX; j++){ s->matrix[i][j] /= maxcoef; diff --git a/libswresample/swresample.c b/libswresample/swresample.c index ba2afdb1d0..cdfe5bfee5 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -68,6 +68,7 @@ static const AVOption options[]={ {"lfe_mix_level" , "set LFE mix level" , OFFSET(lfe_mix_level ), AV_OPT_TYPE_FLOAT, {.dbl=0 }, -32 , 32 , PARAM}, {"rmvol" , "set rematrix volume" , OFFSET(rematrix_volume), AV_OPT_TYPE_FLOAT, {.dbl=1.0 }, -1000 , 1000 , PARAM}, {"rematrix_volume" , "set rematrix volume" , OFFSET(rematrix_volume), AV_OPT_TYPE_FLOAT, {.dbl=1.0 }, -1000 , 1000 , PARAM}, +{"rematrix_maxval" , "set rematrix maxval" , OFFSET(rematrix_maxval), AV_OPT_TYPE_FLOAT, {.dbl=0.0 }, 0 , 1000 , PARAM}, {"flags" , "set flags" , OFFSET(flags ), AV_OPT_TYPE_FLAGS, {.i64=0 }, 0 , UINT_MAX , PARAM, "flags"}, {"swr_flags" , "set flags" , OFFSET(flags ), AV_OPT_TYPE_FLAGS, {.i64=0 }, 0 , UINT_MAX , PARAM, "flags"}, diff --git a/libswresample/swresample_internal.h b/libswresample/swresample_internal.h index 108f837f23..ab19f212fe 100644 --- a/libswresample/swresample_internal.h +++ b/libswresample/swresample_internal.h @@ -82,6 +82,7 @@ struct SwrContext { float clev; ///< center mixing level float lfe_mix_level; ///< LFE mixing level float rematrix_volume; ///< rematrixing volume coefficient + float rematrix_maxval; ///< maximum value for rematrixing output enum AVMatrixEncoding matrix_encoding; /**< matrixed stereo encoding */ const int *channel_map; ///< channel index (or -1 if muted channel) map int used_ch_count; ///< number of used input channels (mapped channel count if channel_map, otherwise in.ch_count) diff --git a/libswresample/version.h b/libswresample/version.h index df9df480c7..8272b763b9 100644 --- a/libswresample/version.h +++ b/libswresample/version.h @@ -30,7 +30,7 @@ #define LIBSWRESAMPLE_VERSION_MAJOR 0 #define LIBSWRESAMPLE_VERSION_MINOR 17 -#define LIBSWRESAMPLE_VERSION_MICRO 102 +#define LIBSWRESAMPLE_VERSION_MICRO 103 #define LIBSWRESAMPLE_VERSION_INT AV_VERSION_INT(LIBSWRESAMPLE_VERSION_MAJOR, \ LIBSWRESAMPLE_VERSION_MINOR, \ |