From 209456292309e28139732ec914b970cea71094c3 Mon Sep 17 00:00:00 2001 From: Rostislav Pehlivanov Date: Thu, 23 Jun 2016 18:07:04 +0100 Subject: [PATCH] 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 --- libavcodec/diracdec.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index ef0274ab5c..c6a207b1c8 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)