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Code Issues Releases Activity

mss12: move SliceContexts out of the common context into the codec contexts

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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
This commit is contained in:
Alberto Delmás
2012-09-02 12:42:01 +02:00
committed by Kostya Shishkov
parent eb239a577f
commit a97ee41bee
4 changed files with 44 additions and 44 deletions
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56
libavcodec/mss12.c
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@ -435,39 +435,30 @@ static int decode_region_masked(MSS12Context const *c, ArithCoder *acoder,
return 0;
}
static av_cold void codec_init(MSS12Context *c, int version)
static av_cold void slicecontext_init(SliceContext *sc,
int version, int full_model_syms)
{
int i;
for (i = 0; i < (c->slice_split ? 2 : 1); i++) {
c->sc[i].c = c;
model_init(&c->sc[i].intra_region, 2, THRESH_ADAPTIVE);
model_init(&c->sc[i].inter_region, 2, THRESH_ADAPTIVE);
model_init(&c->sc[i].split_mode, 3, THRESH_HIGH);
model_init(&c->sc[i].edge_mode, 2, THRESH_HIGH);
model_init(&c->sc[i].pivot, 3, THRESH_LOW);
model_init(&sc->intra_region, 2, THRESH_ADAPTIVE);
model_init(&sc->inter_region, 2, THRESH_ADAPTIVE);
model_init(&sc->split_mode, 3, THRESH_HIGH);
model_init(&sc->edge_mode, 2, THRESH_HIGH);
model_init(&sc->pivot, 3, THRESH_LOW);
pixctx_init(&c->sc[i].intra_pix_ctx, 8, c->full_model_syms, 0);
pixctx_init(&sc->intra_pix_ctx, 8, full_model_syms, 0);
pixctx_init(&c->sc[i].inter_pix_ctx, version ? 3 : 2,
c->full_model_syms, version ? 1 : 0);
}
c->corrupted = 1;
pixctx_init(&sc->inter_pix_ctx, version ? 3 : 2,
full_model_syms, version ? 1 : 0);
}
void ff_mss12_codec_reset(MSS12Context *c)
void ff_mss12_slicecontext_reset(SliceContext *sc)
{
int i;
for (i = 0; i < (c->slice_split ? 2 : 1); i++) {
model_reset(&c->sc[i].intra_region);
model_reset(&c->sc[i].inter_region);
model_reset(&c->sc[i].split_mode);
model_reset(&c->sc[i].edge_mode);
model_reset(&c->sc[i].pivot);
pixctx_reset(&c->sc[i].intra_pix_ctx);
pixctx_reset(&c->sc[i].inter_pix_ctx);
}
c->corrupted = 0;
model_reset(&sc->intra_region);
model_reset(&sc->inter_region);
model_reset(&sc->split_mode);
model_reset(&sc->edge_mode);
model_reset(&sc->pivot);
pixctx_reset(&sc->intra_pix_ctx);
pixctx_reset(&sc->inter_pix_ctx);
}
static int decode_pivot(SliceContext *sc, ArithCoder *acoder, int base)
@ -595,7 +586,8 @@ int ff_mss12_decode_rect(SliceContext *sc, ArithCoder *acoder,
return 0;
}
av_cold int ff_mss12_decode_init(MSS12Context *c, int version)
av_cold int ff_mss12_decode_init(MSS12Context *c, int version,
SliceContext* sc1, SliceContext *sc2)
{
AVCodecContext *avctx = c->avctx;
int i;
@ -690,7 +682,13 @@ av_cold int ff_mss12_decode_init(MSS12Context *c, int version)
return AVERROR(ENOMEM);
}
codec_init(c, version);
sc1->c = c;
slicecontext_init(sc1, version, c->full_model_syms);
if (c->slice_split) {
sc2->c = c;
slicecontext_init(sc2, version, c->full_model_syms);
}
c->corrupted = 1;
return 0;
}