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avcodec/mpeg12dec: always submit the first field to hwaccel 

Though this patch to fix ticket #6668, I belive it
is unnecessary to set SLICE_FLAG_ALLOW_FIELD flag to other
hwaccels(dxva, vdpau, etc). Please also refer the orginal comment
of 9cb150c9ab

Should also fix ticket #8442.

Signed-off-by: Zhong Li <zhong.li@intel.com>
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Zhong Li 2017-10-23 15:43:30 +08:00 committed by Timo Rothenpieler
parent d4996a600c
commit 12c4d00c10
1 changed files with 1 additions and 2 deletions
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3
libavcodec/mpeg12dec.c
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@ -1669,8 +1669,7 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size)
return AVERROR_INVALIDDATA;
}
if (s->avctx->hwaccel &&
(s->avctx->slice_flags & SLICE_FLAG_ALLOW_FIELD)) {
if (s->avctx->hwaccel) {
if ((ret = s->avctx->hwaccel->end_frame(s->avctx)) < 0) {
av_log(avctx, AV_LOG_ERROR,
"hardware accelerator failed to decode first field\n");