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Code Issues Releases Activity

avcodec/ffv1dec: Fix copying planes of paletted formats

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-08 02:28:07 +02:00
parent 8b1f66cf5c
commit 3a4d387195
1 changed files with 7 additions and 1 deletions
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8
libavcodec/ffv1dec.c
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@ -898,7 +898,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
const uint8_t *src[4];
uint8_t *dst[4];
ff_thread_await_progress(&f->last_picture, INT_MAX, 0);
for (j = 0; j < 4; j++) {
for (j = 0; j < desc->nb_components; j++) {
int pixshift = desc->comp[j].depth > 8;
int sh = (j == 1 || j == 2) ? f->chroma_h_shift : 0;
int sv = (j == 1 || j == 2) ? f->chroma_v_shift : 0;
@ -906,6 +906,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
(fs->slice_y >> sv) + ((fs->slice_x >> sh) << pixshift);
src[j] = f->last_picture.f->data[j] + f->last_picture.f->linesize[j] *
(fs->slice_y >> sv) + ((fs->slice_x >> sh) << pixshift);
}
if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
dst[1] = p->data[1];
src[1] = f->last_picture.f->data[1];
}
av_image_copy(dst, p->linesize, src,
f->last_picture.f->linesize,