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mpeg12: Ignore slice threading if hwaccel is active

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Slice threading does not work with hardware acceleration, as decoding
is per-picture.  This fixes Bugzilla #542.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Rémi Denis-Courmont 2013-07-24 19:50:43 +03:00 committed by Diego Biurrun
parent 582963a815
commit 93a51984a2
1 changed files with 6 additions and 3 deletions
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9
libavcodec/mpeg12dec.c
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@ -2067,7 +2067,8 @@ static int decode_chunks(AVCodecContext *avctx,
buf_ptr = avpriv_find_start_code(buf_ptr, buf_end, &start_code);
if (start_code > 0x1ff) {
if (!skip_frame) {
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE)) {
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE) &&
!avctx->hwaccel) {
int i;
avctx->execute(avctx, slice_decode_thread, &s2->thread_context[0], NULL, s->slice_count, sizeof(void*));
@ -2117,7 +2118,8 @@ static int decode_chunks(AVCodecContext *avctx,
return AVERROR_INVALIDDATA;
}
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE) && s->slice_count) {
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE) &&
!avctx->hwaccel && s->slice_count) {
int i;
avctx->execute(avctx, slice_decode_thread,
@ -2263,7 +2265,8 @@ static int decode_chunks(AVCodecContext *avctx,
break;
}
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE)) {
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE) &&
!avctx->hwaccel) {
int threshold = (s2->mb_height * s->slice_count +
s2->slice_context_count / 2) /
s2->slice_context_count;