diff options
Diffstat (limited to 'libswresample/rematrix.c')
-rw-r--r-- | libswresample/rematrix.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libswresample/rematrix.c b/libswresample/rematrix.c index 9dcfecbd80..130bb7416a 100644 --- a/libswresample/rematrix.c +++ b/libswresample/rematrix.c @@ -210,6 +210,9 @@ int swr_rematrix_init(SwrContext *s){ if(s->out_ch_layout & (1ULL<<i)) out_i++; } + if(s->rematrix_volume < 0) + maxcoef = -s->rematrix_volume; + if(( s->out_sample_fmt < AV_SAMPLE_FMT_FLT || s->int_sample_fmt < AV_SAMPLE_FMT_FLT) && maxcoef > 1.0){ for(i=0; i<SWR_CH_MAX; i++) @@ -218,6 +221,15 @@ int swr_rematrix_init(SwrContext *s){ s->matrix32[i][j]= lrintf(s->matrix[i][j] * 32768); } } + + if(s->rematrix_volume > 0){ + for(i=0; i<SWR_CH_MAX; i++) + for(j=0; j<SWR_CH_MAX; j++){ + s->matrix[i][j] *= s->rematrix_volume; + s->matrix32[i][j]= lrintf(s->matrix[i][j] * 32768); + } + } + for(i=0; i<av_get_channel_layout_nb_channels(s->out_ch_layout); i++){ for(j=0; j<av_get_channel_layout_nb_channels(s->in_ch_layout); j++){ av_log(NULL, AV_LOG_DEBUG, "%f ", s->matrix[i][j]); |