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avcodec/vp6: Check initializing VP6A context 

Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-02-11 08:13:45 +01:00
parent fad5c6d743
commit 90e5eef731
1 changed files with 5 additions and 3 deletions
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8
libavcodec/vp6.c
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@ -654,11 +654,12 @@ static av_cold int vp6_decode_init(AVCodecContext *avctx)
if (s->has_alpha) {
s->alpha_context = av_mallocz(sizeof(VP56Context));
if (!s->alpha_context) {
ff_vp56_free(avctx);
return AVERROR(ENOMEM);
}
ff_vp56_init_context(avctx, s->alpha_context,
s->flip == -1, s->has_alpha);
ret = ff_vp56_init_context(avctx, s->alpha_context,
s->flip == -1, s->has_alpha);
if (ret < 0)
return ret;
ff_vp6dsp_init(&s->alpha_context->vp56dsp);
vp6_decode_init_context(s->alpha_context);
}
@ -745,4 +746,5 @@ const AVCodec ff_vp6a_decoder = {
.close = vp6_decode_free,
.decode = ff_vp56_decode_frame,
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SLICE_THREADS,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
};