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-rw-r--r--libavcodec/vc1_mc.c85
1 files changed, 45 insertions, 40 deletions
diff --git a/libavcodec/vc1_mc.c b/libavcodec/vc1_mc.c
index e3a75d5845..17800cb457 100644
--- a/libavcodec/vc1_mc.c
+++ b/libavcodec/vc1_mc.c
@@ -4,20 +4,20 @@
* Copyright (c) 2006-2007 Konstantin Shishkov
* Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -85,7 +85,7 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
srcV = s->current_picture.f->data[2];
luty = v->curr_luty;
lutuv = v->curr_lutuv;
- use_ic = v->curr_use_ic;
+ use_ic = *v->curr_use_ic;
} else {
srcY = s->last_picture.f->data[0];
srcU = s->last_picture.f->data[1];
@@ -145,7 +145,8 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
|| s->h_edge_pos < 22 || v_edge_pos < 22
|| (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx&3) - 16 - s->mspel * 3
|| (unsigned)(src_y - 1) > v_edge_pos - (my&3) - 16 - 3) {
- uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
+ uint8_t *ubuf = s->edge_emu_buffer + 19 * s->linesize;
+ uint8_t *vbuf = ubuf + 9 * s->uvlinesize;
srcY -= s->mspel * (1 + s->linesize);
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
@@ -154,16 +155,18 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
srcY = s->edge_emu_buffer;
- s->vdsp.emulated_edge_mc(uvbuf, srcU,
+ s->vdsp.emulated_edge_mc(ubuf, srcU,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
- s->vdsp.emulated_edge_mc(uvbuf + 16, srcV,
+ uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
+ s->vdsp.emulated_edge_mc(vbuf, srcV,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
- srcU = uvbuf;
- srcV = uvbuf + 16;
+ uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
+ srcU = ubuf;
+ srcV = vbuf;
/* if we deal with range reduction we need to scale source blocks */
if (v->rangeredfrm) {
int i, j;
@@ -215,11 +218,7 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
if (s->mspel) {
dxy = ((my & 3) << 2) | (mx & 3);
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] , srcY , s->linesize, v->rnd);
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8, srcY + 8, s->linesize, v->rnd);
- srcY += s->linesize * 8;
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize , srcY , s->linesize, v->rnd);
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
+ v->vc1dsp.put_vc1_mspel_pixels_tab[0][dxy](s->dest[0] , srcY , s->linesize, v->rnd);
} else { // hpel mc - always used for luma
dxy = (my & 2) | ((mx & 2) >> 1);
if (!v->rnd)
@@ -277,7 +276,7 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
srcY = s->current_picture.f->data[0];
luty = v->curr_luty;
- use_ic = v->curr_use_ic;
+ use_ic = *v->curr_use_ic;
} else {
srcY = s->last_picture.f->data[0];
luty = v->last_luty;
@@ -302,7 +301,7 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
if (s->pict_type == AV_PICTURE_TYPE_P && n == 3 && v->field_mode) {
int same_count = 0, opp_count = 0, k;
int chosen_mv[2][4][2], f;
- int tx = 0, ty = 0;
+ int tx, ty;
for (k = 0; k < 4; k++) {
f = v->mv_f[0][s->block_index[k] + v->blocks_off];
chosen_mv[f][f ? opp_count : same_count][0] = s->mv[0][k][0];
@@ -326,6 +325,8 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
tx = (chosen_mv[f][0][0] + chosen_mv[f][1][0]) / 2;
ty = (chosen_mv[f][0][1] + chosen_mv[f][1][1]) / 2;
break;
+ default:
+ av_assert0(0);
}
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx;
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty;
@@ -431,9 +432,9 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
if (s->mspel) {
dxy = ((my & 3) << 2) | (mx & 3);
if (avg)
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
else
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
+ v->vc1dsp.put_vc1_mspel_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
} else { // hpel mc - always used for luma
dxy = (my & 2) | ((mx & 2) >> 1);
if (!v->rnd)
@@ -528,7 +529,7 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
/* calculate chroma MV vector from four luma MVs */
if (!v->field_mode || (v->field_mode && !v->numref)) {
valid_count = get_chroma_mv(mvx, mvy, intra, 0, &tx, &ty);
- chroma_ref_type = v->reffield;
+ chroma_ref_type = v->ref_field_type[dir];
if (!valid_count) {
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0;
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0;
@@ -577,7 +578,7 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
srcU = s->current_picture.f->data[1];
srcV = s->current_picture.f->data[2];
lutuv = v->curr_lutuv;
- use_ic = v->curr_use_ic;
+ use_ic = *v->curr_use_ic;
} else {
srcU = s->last_picture.f->data[1];
srcV = s->last_picture.f->data[2];
@@ -707,21 +708,26 @@ void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
if (i < 2 ? dir : dir2) {
- srcU = s->next_picture.f->data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->next_picture.f->data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->next_picture.f->data[1];
+ srcV = s->next_picture.f->data[2];
lutuv = v->next_lutuv;
use_ic = v->next_use_ic;
} else {
- srcU = s->last_picture.f->data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->last_picture.f->data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->last_picture.f->data[1];
+ srcV = s->last_picture.f->data[2];
lutuv = v->last_lutuv;
use_ic = v->last_use_ic;
}
+ if (!srcU)
+ return;
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
uvmx_field[i] = (uvmx_field[i] & 3) << 1;
uvmy_field[i] = (uvmy_field[i] & 3) << 1;
if (fieldmv && !(uvsrc_y & 1))
- v_edge_pos--;
+ v_edge_pos = (s->v_edge_pos >> 1) - 1;
+
if (fieldmv && (uvsrc_y & 1) && uvsrc_y < 2)
uvsrc_y--;
if (use_ic
@@ -844,7 +850,8 @@ void ff_vc1_interp_mc(VC1Context *v)
if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22 || use_ic
|| (unsigned)(src_x - 1) > s->h_edge_pos - (mx & 3) - 16 - 3
|| (unsigned)(src_y - 1) > v_edge_pos - (my & 3) - 16 - 3) {
- uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
+ uint8_t *ubuf = s->edge_emu_buffer + 19 * s->linesize;
+ uint8_t *vbuf = ubuf + 9 * s->uvlinesize;
srcY -= s->mspel * (1 + s->linesize);
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
@@ -853,16 +860,18 @@ void ff_vc1_interp_mc(VC1Context *v)
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
srcY = s->edge_emu_buffer;
- s->vdsp.emulated_edge_mc(uvbuf, srcU,
+ s->vdsp.emulated_edge_mc(ubuf, srcU,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
- s->vdsp.emulated_edge_mc(uvbuf + 16, srcV,
+ uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
+ s->vdsp.emulated_edge_mc(vbuf, srcV,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
- srcU = uvbuf;
- srcV = uvbuf + 16;
+ uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
+ srcU = ubuf;
+ srcV = vbuf;
/* if we deal with range reduction we need to scale source blocks */
if (v->rangeredfrm) {
int i, j;
@@ -919,11 +928,7 @@ void ff_vc1_interp_mc(VC1Context *v)
if (s->mspel) {
dxy = ((my & 3) << 2) | (mx & 3);
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY , s->linesize, v->rnd);
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY + 8, s->linesize, v->rnd);
- srcY += s->linesize * 8;
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize , srcY , s->linesize, v->rnd);
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[0][dxy](s->dest[0] + off , srcY , s->linesize, v->rnd);
} else { // hpel mc
dxy = (my & 2) | ((mx & 2) >> 1);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 02:33:03 +0000