From a260c79733702ebcfb3d14d93cac10ae433ef03a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 8 Jan 2013 17:17:31 +0100
Subject: [PATCH] ffmpeg: fix dither to 24bit PCM output
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
ffmpeg_opt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 63e3de959fb..38ffd420b45 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1014,6 +1014,8 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
av_opt_get_int (o->g->swr_opts, "filter_type" , 0, &ost->swr_filter_type);
av_opt_get_int (o->g->swr_opts, "dither_method", 0, &ost->swr_dither_method);
av_opt_get_double(o->g->swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
+ if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
+ ost->swr_dither_scale = ost->swr_dither_scale*256;
ost->source_index = source_index;
if (source_index >= 0) {
--
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