[FFmpeg-cvslog] diracdec: do not memset the entire coefficient buffer for HQ pictures
Rostislav Pehlivanov
git at videolan.org
Tue Jul 12 00:45:37 CEST 2016
ffmpeg | branch: master | Rostislav Pehlivanov <rpehlivanov at ob-encoder.com> | Thu Jun 23 18:07:04 2016 +0100| [209456292309e28139732ec914b970cea71094c3] | committer: Rostislav Pehlivanov
diracdec: do not memset the entire coefficient buffer for HQ pictures
This is now handled by the slice decoding function.
Signed-off-by: Rostislav Pehlivanov <rpehlivanov at obe.tv>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=209456292309e28139732ec914b970cea71094c3
---
libavcodec/diracdec.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index ef0274a..c6a207b 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -1816,9 +1816,11 @@ static int dirac_decode_frame_internal(DiracContext *s)
if (s->low_delay) {
/* [DIRAC_STD] 13.5.1 low_delay_transform_data() */
- for (comp = 0; comp < 3; comp++) {
- Plane *p = &s->plane[comp];
- memset(p->idwt.buf, 0, p->idwt.stride * p->idwt.height);
+ if (!s->hq_picture) {
+ for (comp = 0; comp < 3; comp++) {
+ Plane *p = &s->plane[comp];
+ memset(p->idwt.buf, 0, p->idwt.stride * p->idwt.height);
+ }
}
if (!s->zero_res) {
if ((ret = decode_lowdelay(s)) < 0)
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