ff_hpeldsp_init(&s->hdsp, avctx->flags);
ff_videodsp_init(&s->vdsp, 8);
ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
- ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
for (i = 0; i < 64; i++) {
-#define TRANSPOSE(x) (x >> 3) | ((x & 7) << 3)
+#define TRANSPOSE(x) (((x) >> 3) | (((x) & 7) << 3))
s->idct_scantable[i] = TRANSPOSE(ff_zigzag_direct[i]);
#undef TRANSPOSE
}
if ((ret = ff_vp56_init(avctx, avctx->codec->id == AV_CODEC_ID_VP6,
avctx->codec->id == AV_CODEC_ID_VP6A)) < 0)
return ret;
+ ff_vp6dsp_init(&s->vp56dsp);
+ vp6_decode_init_context(s);
+
+ if (s->has_alpha) {
+ s->alpha_context = av_mallocz(sizeof(VP56Context));
+ ff_vp56_init_context(avctx, s->alpha_context,
+ s->flip == -1, s->has_alpha);
++ ff_vp6dsp_init(&s->alpha_context->vp56dsp);
+ vp6_decode_init_context(s->alpha_context);
+ }
+
+ return 0;
+}
+
+static av_cold void vp6_decode_init_context(VP56Context *s)
+{
+ s->deblock_filtering = 0;
s->vp56_coord_div = vp6_coord_div;
s->parse_vector_adjustment = vp6_parse_vector_adjustment;
s->filter = vp6_filter;