Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libswresample/resample.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/libswresample/resample.c b/libswresample/resample.c
index 39c242bf41..df49505bf9 100644
--- a/libswresample/resample.c
+++ b/libswresample/resample.c
@@ -544,18 +544,21 @@ static int64_t get_out_samples(struct SwrContext *s, int
in_samples) {
}
static int resample_flush(struct SwrContext *s) {
+ ResampleContext *c = s->resample;
AudioData *a= &s->in_buffer;
int i, j, ret;
- if((ret = swri_realloc_audio(a, s->in_buffer_index +
2*s->in_buffer_count)) < 0)
+ int reflection = (FFMIN(s->in_buffer_count, c->filter_length) + 1) / 2;
+
+ if((ret = swri_realloc_audio(a, s->in_buffer_index + s->in_buffer_count +
reflection)) < 0)
return ret;
av_assert0(a->planar);
for(i=0; i<a->ch_count; i++){
- for(j=0; j<s->in_buffer_count; j++){
+ for(j=0; j<reflection; j++){
memcpy(a->ch[i] + (s->in_buffer_index+s->in_buffer_count+j
)*a->bps,
a->ch[i] + (s->in_buffer_index+s->in_buffer_count-j-1)*a->bps,
a->bps);
}
}
- s->in_buffer_count += (s->in_buffer_count+1)/2;
+ s->in_buffer_count += reflection;
return 0;
}
--
2.14.1
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