ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Mon Nov 27 11:52:37 2023 +0100| [f1f973313b6edc460339c2dfa4675dd3ad72fe98] | committer: Paul B Mahol
avfilter/af_dialoguenhance: do output scaling once > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f1f973313b6edc460339c2dfa4675dd3ad72fe98 --- libavfilter/af_dialoguenhance.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/libavfilter/af_dialoguenhance.c b/libavfilter/af_dialoguenhance.c index 5c8614c185..2674313f5c 100644 --- a/libavfilter/af_dialoguenhance.c +++ b/libavfilter/af_dialoguenhance.c @@ -108,7 +108,7 @@ static int config_input(AVFilterLink *inlink) generate_window_func(s->window, s->fft_size, WFUNC_SINE, &overlap); - iscale = 1.f / s->fft_size; + iscale = 1.f / (s->fft_size * 1.5f); ret = av_tx_init(&s->tx_ctx[0], &s->tx_fn, AV_TX_FLOAT_RDFT, 0, s->fft_size, &scale, 0); if (ret < 0) @@ -296,13 +296,10 @@ static int de_stereo(AVFilterContext *ctx, AVFrame *out) memcpy(left_osamples, left_in, overlap * sizeof(float)); memcpy(right_osamples, right_in, overlap * sizeof(float)); - // 4 times overlap with squared hanning window results in 1.5 time increase in amplitude - if (!ctx->is_disabled) { - for (int i = 0; i < overlap; i++) - center_osamples[i] = left_out[i] / 1.5f; - } else { + if (ctx->is_disabled) memset(center_osamples, 0, overlap * sizeof(float)); - } + else + memcpy(center_osamples, left_out, overlap * sizeof(float)); return 0; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
