From 9aec63af9b50af1d809d31389d67e98c2c688133 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 8 Jan 2013 16:55:46 +0100 Subject: [PATCH] swr: fix assertion failure if dither is used without the preout buffer differing from in Signed-off-by: Michael Niedermayer --- libswresample/swresample.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libswresample/swresample.c b/libswresample/swresample.c index f01927f293..c4a647ce04 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -602,6 +602,11 @@ static int swr_convert_internal(struct SwrContext *s, AudioData *out, int out_co if(s->resample_first ? !s->rematrix : !s->resample) preout= midbuf; + if (preout == in && s->dither_method) { + av_assert1(postin == midbuf && midbuf == preout); + postin = midbuf = preout = &preout_tmp; + } + if(s->int_sample_fmt == s->out_sample_fmt && s->out.planar){ if(preout==in){ out_count= FFMIN(out_count, in_count); //TODO check at the end if this is needed or redundant