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Code Issues Releases Activity

vp9: use correct chroma subsampling for profile 1 intra block recon.

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This commit is contained in:
Ronald S. Bultje
2015-04-24 10:49:41 -04:00
parent ed3e0cc715
commit d2aa6f65db
1 changed files with 13 additions and 12 deletions
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25
libavcodec/vp9.c
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@@ -2390,7 +2390,7 @@ static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **
uint8_t *dst_inner, ptrdiff_t stride_inner,
uint8_t *l, int col, int x, int w,
int row, int y, enum TxfmMode tx,
int p)
int p, int ss_h, int ss_v)
{
int have_top = row > 0 || y > 0;
int have_left = col > s->tiling.tile_col_start || x > 0;
@@ -2445,7 +2445,7 @@ static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **
mode = mode_conv[mode][have_left][have_top];
if (edges[mode].needs_top) {
uint8_t *top, *topleft;
int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !p) - x) * 4;
int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !ss_h) - x) * 4;
int n_px_need_tr = 0;
if (tx == TX_4X4 && edges[mode].needs_topright && have_right)
@@ -2456,11 +2456,11 @@ static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **
// post-loopfilter data)
if (have_top) {
top = !(row & 7) && !y ?
s->intra_pred_data[p] + col * (8 >> !!p) + x * 4 :
s->intra_pred_data[p] + col * (8 >> ss_h) + x * 4 :
y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner];
if (have_left)
topleft = !(row & 7) && !y ?
s->intra_pred_data[p] + col * (8 >> !!p) + x * 4 :
s->intra_pred_data[p] + col * (8 >> ss_h) + x * 4 :
y == 0 || x == 0 ? &dst_edge[-stride_edge] :
&dst_inner[-stride_inner];
}
@@ -2501,7 +2501,7 @@ static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **
}
if (edges[mode].needs_left) {
if (have_left) {
int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !p) - y) * 4;
int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !ss_v) - y) * 4;
uint8_t *dst = x == 0 ? dst_edge : dst_inner;
ptrdiff_t stride = x == 0 ? stride_edge : stride_inner;
@@ -2560,7 +2560,7 @@ static void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
mode = check_intra_mode(s, mode, &a, ptr_r,
s->frames[CUR_FRAME].tf.f->linesize[0],
ptr, s->y_stride, l,
col, x, w4, row, y, b->tx, 0);
col, x, w4, row, y, b->tx, 0, 0, 0);
s->dsp.intra_pred[b->tx][mode](ptr, s->y_stride, l, a);
if (eob)
s->dsp.itxfm_add[tx][txtp](ptr, s->y_stride,
@@ -2571,9 +2571,9 @@ static void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
}
// U/V
w4 >>= 1;
end_x >>= 1;
end_y >>= 1;
w4 >>= s->ss_h;
end_x >>= s->ss_h;
end_y >>= s->ss_v;
step = 1 << (b->uvtx * 2);
for (p = 0; p < 2; p++) {
dst = s->dst[1 + p];
@@ -2588,8 +2588,8 @@ static void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
mode = check_intra_mode(s, mode, &a, ptr_r,
s->frames[CUR_FRAME].tf.f->linesize[1],
ptr, s->uv_stride, l,
col, x, w4, row, y, b->uvtx, p + 1);
ptr, s->uv_stride, l, col, x, w4, row, y,
b->uvtx, p + 1, s->ss_h, s->ss_v);
s->dsp.intra_pred[b->uvtx][mode](ptr, s->uv_stride, l, a);
if (eob)
s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride,
@@ -3010,7 +3010,8 @@ static void decode_b(AVCodecContext *ctx, int row, int col,
b->bl = bl;
b->bp = bp;
decode_mode(ctx);
b->uvtx = b->tx - (w4 * 2 == (1 << b->tx) || h4 * 2 == (1 << b->tx));
b->uvtx = b->tx - ((s->ss_h && w4 * 2 == (1 << b->tx)) ||
(s->ss_v && h4 * 2 == (1 << b->tx)));
if (!b->skip) {
decode_coeffs(ctx);