summaryrefslogtreecommitdiff
path: root/libavcodec/vc1dec.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/vc1dec.c')
-rw-r--r--libavcodec/vc1dec.c841
1 files changed, 686 insertions, 155 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index ea08bdd59d..4cdf470969 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.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
*/
@@ -39,6 +39,7 @@
#include "unary.h"
#include "mathops.h"
#include "vdpau_internal.h"
+#include "libavutil/avassert.h"
#undef NDEBUG
#include <assert.h>
@@ -347,6 +348,9 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
uint8_t *srcY, *srcU, *srcV;
int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ int i;
+ uint8_t (*luty)[256], (*lutuv)[256];
+ int use_ic;
if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
@@ -358,8 +362,10 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
// store motion vectors for further use in B frames
if (s->pict_type == AV_PICTURE_TYPE_P) {
- s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = mx;
- s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = my;
+ for (i = 0; i < 4; i++) {
+ s->current_picture.motion_val[1][s->block_index[i] + v->blocks_off][0] = mx;
+ s->current_picture.motion_val[1][s->block_index[i] + v->blocks_off][1] = my;
+ }
}
uvmx = (mx + ((mx & 3) == 3)) >> 1;
@@ -383,17 +389,29 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
srcY = s->current_picture.f.data[0];
srcU = s->current_picture.f.data[1];
srcV = s->current_picture.f.data[2];
+ luty = v->curr_luty;
+ lutuv= v->curr_lutuv;
+ use_ic=v->curr_use_ic;
} else {
srcY = s->last_picture.f.data[0];
srcU = s->last_picture.f.data[1];
srcV = s->last_picture.f.data[2];
+ luty = v->last_luty ;
+ lutuv= v->last_lutuv;
+ use_ic=v->last_use_ic;
}
} else {
srcY = s->next_picture.f.data[0];
srcU = s->next_picture.f.data[1];
srcV = s->next_picture.f.data[2];
+ luty = v->next_luty ;
+ lutuv= v->next_lutuv;
+ use_ic=v->next_use_ic;
}
+ if(!srcY)
+ return;
+
src_x = s->mb_x * 16 + (mx >> 2);
src_y = s->mb_y * 16 + (my >> 2);
uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
@@ -427,7 +445,7 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
srcV = s->edge_emu_buffer + 18 * s->linesize;
}
- if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP)
+ if (v->rangeredfrm || use_ic
|| 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) {
@@ -468,22 +486,24 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
}
}
/* if we deal with intensity compensation we need to scale source blocks */
- if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
+ if (use_ic) {
int i, j;
uint8_t *src, *src2;
src = srcY;
for (j = 0; j < 17 + s->mspel * 2; j++) {
+ int f = v->field_mode ? v->ref_field_type[dir] : ((j + src_y - s->mspel)&1) ;
for (i = 0; i < 17 + s->mspel * 2; i++)
- src[i] = v->luty[src[i]];
+ src[i] = luty[f][src[i]];
src += s->linesize;
}
src = srcU;
src2 = srcV;
for (j = 0; j < 9; j++) {
+ int f = v->field_mode ? v->ref_field_type[dir] : ((j + uvsrc_y)&1);
for (i = 0; i < 9; i++) {
- src[i] = v->lutuv[src[i]];
- src2[i] = v->lutuv[src2[i]];
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
}
src += s->uvlinesize;
src2 += s->uvlinesize;
@@ -533,7 +553,7 @@ static inline int median4(int a, int b, int c, int d)
/** Do motion compensation for 4-MV macroblock - luminance block
*/
-static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
+static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
{
MpegEncContext *s = &v->s;
uint8_t *srcY;
@@ -541,6 +561,8 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
int off;
int fieldmv = (v->fcm == ILACE_FRAME) ? v->blk_mv_type[s->block_index[n]] : 0;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ uint8_t (*luty)[256];
+ int use_ic;
if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
@@ -553,10 +575,21 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
if (!dir) {
if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
srcY = s->current_picture.f.data[0];
- } else
+ luty = v->curr_luty;
+ use_ic=v->curr_use_ic;
+ } else {
srcY = s->last_picture.f.data[0];
- } else
+ luty = v->last_luty;
+ use_ic=v->last_use_ic;
+ }
+ } else {
srcY = s->next_picture.f.data[0];
+ luty = v->next_luty;
+ use_ic=v->next_use_ic;
+ }
+
+ if(!srcY)
+ return;
if (v->field_mode) {
if (v->cur_field_type != v->ref_field_type[dir])
@@ -590,6 +623,8 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
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_assert2(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;
@@ -601,6 +636,10 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
int qx, qy;
int width = s->avctx->coded_width;
int height = s->avctx->coded_height >> 1;
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
+ s->current_picture.motion_val[1][s->block_index[n] + v->blocks_off][0] = mx;
+ s->current_picture.motion_val[1][s->block_index[n] + v->blocks_off][1] = my;
+ }
qx = (s->mb_x * 16) + (mx >> 2);
qy = (s->mb_y * 8) + (my >> 3);
@@ -648,7 +687,7 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
v_edge_pos--;
if (fieldmv && (src_y & 1) && src_y < 4)
src_y--;
- if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP)
+ if (v->rangeredfrm || use_ic
|| s->h_edge_pos < 13 || v_edge_pos < 23
|| (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 8 - s->mspel * 2
|| (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) - ((8 + s->mspel * 2) << fieldmv)) {
@@ -672,14 +711,15 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
}
}
/* if we deal with intensity compensation we need to scale source blocks */
- if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
+ if (use_ic) {
int i, j;
uint8_t *src;
src = srcY;
for (j = 0; j < 9 + s->mspel * 2; j++) {
+ int f = v->field_mode ? v->ref_field_type[dir] : (((j<<fieldmv)+src_y - (s->mspel << fieldmv))&1);
for (i = 0; i < 9 + s->mspel * 2; i++)
- src[i] = v->luty[src[i]];
+ src[i] = luty[f][src[i]];
src += s->linesize << fieldmv;
}
}
@@ -688,7 +728,10 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
if (s->mspel) {
dxy = ((my & 3) << 2) | (mx & 3);
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
+ if (avg)
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[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);
} else { // hpel mc - always used for luma
dxy = (my & 2) | ((mx & 2) >> 1);
if (!v->rnd)
@@ -764,6 +807,8 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
int valid_count;
int chroma_ref_type = v->cur_field_type;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ uint8_t (*lutuv)[256];
+ int use_ic;
if (!v->field_mode && !v->s.last_picture.f.data[0])
return;
@@ -829,15 +874,24 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
if (v->field_mode && (v->cur_field_type != chroma_ref_type) && v->second_field) {
srcU = s->current_picture.f.data[1];
srcV = s->current_picture.f.data[2];
+ lutuv= v->curr_lutuv;
+ use_ic=v->curr_use_ic;
} else {
srcU = s->last_picture.f.data[1];
srcV = s->last_picture.f.data[2];
+ lutuv= v->last_lutuv;
+ use_ic=v->last_use_ic;
}
} else {
srcU = s->next_picture.f.data[1];
srcV = s->next_picture.f.data[2];
+ lutuv= v->next_lutuv;
+ use_ic=v->next_use_ic;
}
+ if(!srcU)
+ return;
+
srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
@@ -848,7 +902,7 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
}
}
- if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP)
+ if (v->rangeredfrm || use_ic
|| s->h_edge_pos < 18 || v_edge_pos < 18
|| (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9
|| (unsigned)uvsrc_y > (v_edge_pos >> 1) - 9) {
@@ -878,16 +932,17 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
}
}
/* if we deal with intensity compensation we need to scale source blocks */
- if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
+ if (use_ic) {
int i, j;
uint8_t *src, *src2;
src = srcU;
src2 = srcV;
for (j = 0; j < 9; j++) {
+ int f = v->field_mode ? chroma_ref_type : ((j + uvsrc_y)&1);
for (i = 0; i < 9; i++) {
- src[i] = v->lutuv[src[i]];
- src2[i] = v->lutuv[src2[i]];
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
}
src += s->uvlinesize;
src2 += s->uvlinesize;
@@ -907,9 +962,9 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
}
}
-/** Do motion compensation for 4-MV field chroma macroblock (both U and V)
+/** Do motion compensation for 4-MV interlaced frame chroma macroblock (both U and V)
*/
-static void vc1_mc_4mv_chroma4(VC1Context *v)
+static void vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
{
MpegEncContext *s = &v->s;
H264ChromaContext *h264chroma = &v->h264chroma;
@@ -921,16 +976,17 @@ static void vc1_mc_4mv_chroma4(VC1Context *v)
static const int s_rndtblfield[16] = { 0, 0, 1, 2, 4, 4, 5, 6, 2, 2, 3, 8, 6, 6, 7, 12 };
int v_dist = fieldmv ? 1 : 4; // vertical offset for lower sub-blocks
int v_edge_pos = s->v_edge_pos >> 1;
+ int use_ic;
+ uint8_t (*lutuv)[256];
- if (!v->s.last_picture.f.data[0])
- return;
if (s->flags & CODEC_FLAG_GRAY)
return;
for (i = 0; i < 4; i++) {
- tx = s->mv[0][i][0];
+ int d = i<2 ? dir: dir2;
+ tx = s->mv[d][i][0];
uvmx_field[i] = (tx + ((tx & 3) == 3)) >> 1;
- ty = s->mv[0][i][1];
+ ty = s->mv[d][i][1];
if (fieldmv)
uvmy_field[i] = (ty >> 4) * 8 + s_rndtblfield[ty & 0xF];
else
@@ -944,16 +1000,26 @@ static void vc1_mc_4mv_chroma4(VC1Context *v)
// FIXME: implement proper pull-back (see vc1cropmv.c, vc1CROPMV_ChromaPullBack())
uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
- 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;
+ 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;
+ 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;
+ lutuv = v->last_lutuv;
+ use_ic = v->last_use_ic;
+ }
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 ((v->mv_mode == MV_PMODE_INTENSITY_COMP)
+ if ((use_ic)
|| s->h_edge_pos < 10 || v_edge_pos < (5 << fieldmv)
|| (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 5
|| (unsigned)uvsrc_y > v_edge_pos - (5 << fieldmv)) {
@@ -967,22 +1033,32 @@ static void vc1_mc_4mv_chroma4(VC1Context *v)
srcV = s->edge_emu_buffer + 16;
/* if we deal with intensity compensation we need to scale source blocks */
- if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
+ if (use_ic) {
int i, j;
uint8_t *src, *src2;
src = srcU;
src2 = srcV;
for (j = 0; j < 5; j++) {
+ int f = (uvsrc_y + (j<<fieldmv))&1;
for (i = 0; i < 5; i++) {
- src[i] = v->lutuv[src[i]];
- src2[i] = v->lutuv[src2[i]];
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
}
- src += s->uvlinesize << 1;
- src2 += s->uvlinesize << 1;
+ src += s->uvlinesize << fieldmv;
+ src2 += s->uvlinesize << fieldmv;
}
}
}
+ if (avg) {
+ if (!v->rnd) {
+ h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ } else {
+ v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ }
+ } else {
if (!v->rnd) {
h264chroma->put_h264_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
h264chroma->put_h264_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
@@ -990,6 +1066,7 @@ static void vc1_mc_4mv_chroma4(VC1Context *v)
v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
}
+ }
}
}
@@ -1126,6 +1203,7 @@ static av_always_inline void get_mvdata_interlaced(VC1Context *v, int *dmv_x,
}
}
else {
+ av_assert0(index < esc);
if (extend_x)
offs_tab = offset_table2;
else
@@ -1583,7 +1661,7 @@ static inline void vc1_pred_mv(VC1Context *v, int n, int dmv_x, int dmv_y,
/** Predict and set motion vector for interlaced frame picture MBs
*/
static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
- int mvn, int r_x, int r_y, uint8_t* is_intra)
+ int mvn, int r_x, int r_y, uint8_t* is_intra, int dir)
{
MpegEncContext *s = &v->s;
int xy, wrap, off = 0;
@@ -1625,14 +1703,14 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
if (s->mb_x || (n == 1) || (n == 3)) {
if ((v->blk_mv_type[xy]) // current block (MB) has a field MV
|| (!v->blk_mv_type[xy] && !v->blk_mv_type[xy - 1])) { // or both have frame MV
- A[0] = s->current_picture.motion_val[0][xy - 1][0];
- A[1] = s->current_picture.motion_val[0][xy - 1][1];
+ A[0] = s->current_picture.motion_val[dir][xy - 1][0];
+ A[1] = s->current_picture.motion_val[dir][xy - 1][1];
a_valid = 1;
} else { // current block has frame mv and cand. has field MV (so average)
- A[0] = (s->current_picture.motion_val[0][xy - 1][0]
- + s->current_picture.motion_val[0][xy - 1 + off * wrap][0] + 1) >> 1;
- A[1] = (s->current_picture.motion_val[0][xy - 1][1]
- + s->current_picture.motion_val[0][xy - 1 + off * wrap][1] + 1) >> 1;
+ A[0] = (s->current_picture.motion_val[dir][xy - 1][0]
+ + s->current_picture.motion_val[dir][xy - 1 + off * wrap][0] + 1) >> 1;
+ A[1] = (s->current_picture.motion_val[dir][xy - 1][1]
+ + s->current_picture.motion_val[dir][xy - 1 + off * wrap][1] + 1) >> 1;
a_valid = 1;
}
if (!(n & 1) && v->is_intra[s->mb_x - 1]) {
@@ -1652,11 +1730,11 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
if (v->blk_mv_type[pos_b] && v->blk_mv_type[xy]) {
n_adj = (n & 2) | (n & 1);
}
- B[0] = s->current_picture.motion_val[0][s->block_index[n_adj] - 2 * wrap][0];
- B[1] = s->current_picture.motion_val[0][s->block_index[n_adj] - 2 * wrap][1];
+ B[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap][0];
+ B[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap][1];
if (v->blk_mv_type[pos_b] && !v->blk_mv_type[xy]) {
- B[0] = (B[0] + s->current_picture.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap][0] + 1) >> 1;
- B[1] = (B[1] + s->current_picture.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap][1] + 1) >> 1;
+ B[0] = (B[0] + s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap][0] + 1) >> 1;
+ B[1] = (B[1] + s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap][1] + 1) >> 1;
}
}
if (s->mb_width > 1) {
@@ -1667,11 +1745,11 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) {
n_adj = n & 2;
}
- C[0] = s->current_picture.motion_val[0][s->block_index[n_adj] - 2 * wrap + 2][0];
- C[1] = s->current_picture.motion_val[0][s->block_index[n_adj] - 2 * wrap + 2][1];
+ C[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap + 2][0];
+ C[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap + 2][1];
if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) {
- C[0] = (1 + C[0] + (s->current_picture.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap + 2][0])) >> 1;
- C[1] = (1 + C[1] + (s->current_picture.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap + 2][1])) >> 1;
+ C[0] = (1 + C[0] + (s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap + 2][0])) >> 1;
+ C[1] = (1 + C[1] + (s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap + 2][1])) >> 1;
}
if (s->mb_x == s->mb_width - 1) {
if (!v->is_intra[s->mb_x - s->mb_stride - 1]) {
@@ -1681,11 +1759,11 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) {
n_adj = n | 1;
}
- C[0] = s->current_picture.motion_val[0][s->block_index[n_adj] - 2 * wrap - 2][0];
- C[1] = s->current_picture.motion_val[0][s->block_index[n_adj] - 2 * wrap - 2][1];
+ C[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap - 2][0];
+ C[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap - 2][1];
if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) {
- C[0] = (1 + C[0] + s->current_picture.motion_val[0][s->block_index[1] - 2 * wrap - 2][0]) >> 1;
- C[1] = (1 + C[1] + s->current_picture.motion_val[0][s->block_index[1] - 2 * wrap - 2][1]) >> 1;
+ C[0] = (1 + C[0] + s->current_picture.motion_val[dir][s->block_index[1] - 2 * wrap - 2][0]) >> 1;
+ C[1] = (1 + C[1] + s->current_picture.motion_val[dir][s->block_index[1] - 2 * wrap - 2][1]) >> 1;
}
} else
c_valid = 0;
@@ -1696,12 +1774,12 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
} else {
pos_b = s->block_index[1];
b_valid = 1;
- B[0] = s->current_picture.motion_val[0][pos_b][0];
- B[1] = s->current_picture.motion_val[0][pos_b][1];
+ B[0] = s->current_picture.motion_val[dir][pos_b][0];
+ B[1] = s->current_picture.motion_val[dir][pos_b][1];
pos_c = s->block_index[0];
c_valid = 1;
- C[0] = s->current_picture.motion_val[0][pos_c][0];
- C[1] = s->current_picture.motion_val[0][pos_c][1];
+ C[0] = s->current_picture.motion_val[dir][pos_c][0];
+ C[1] = s->current_picture.motion_val[dir][pos_c][1];
}
total_valid = a_valid + b_valid + c_valid;
@@ -1722,9 +1800,10 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
px = mid_pred(A[0], B[0], C[0]);
py = mid_pred(A[1], B[1], C[1]);
} else if (total_valid) {
- if (a_valid) { px = A[0]; py = A[1]; }
- if (b_valid) { px = B[0]; py = B[1]; }
- if (c_valid) { px = C[0]; py = C[1]; }
+ if (a_valid) { px = A[0]; py = A[1]; }
+ else if (b_valid) { px = B[0]; py = B[1]; }
+ else if (c_valid) { px = C[0]; py = C[1]; }
+ else av_assert2(0);
} else
px = py = 0;
}
@@ -1779,7 +1858,7 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
} else if (c_valid) {
px = C[0];
py = C[1];
- }
+ } else px = py = 0;
}
} else if (total_valid == 1) {
px = (a_valid) ? A[0] : ((b_valid) ? B[0] : C[0]);
@@ -1789,20 +1868,20 @@ static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
}
/* store MV using signed modulus of MV range defined in 4.11 */
- s->mv[0][n][0] = s->current_picture.motion_val[0][xy][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x;
- s->mv[0][n][1] = s->current_picture.motion_val[0][xy][1] = ((py + dmv_y + r_y) & ((r_y << 1) - 1)) - r_y;
+ s->mv[dir][n][0] = s->current_picture.motion_val[dir][xy][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x;
+ s->mv[dir][n][1] = s->current_picture.motion_val[dir][xy][1] = ((py + dmv_y + r_y) & ((r_y << 1) - 1)) - r_y;
if (mvn == 1) { /* duplicate motion data for 1-MV block */
- s->current_picture.motion_val[0][xy + 1 ][0] = s->current_picture.motion_val[0][xy][0];
- s->current_picture.motion_val[0][xy + 1 ][1] = s->current_picture.motion_val[0][xy][1];
- s->current_picture.motion_val[0][xy + wrap ][0] = s->current_picture.motion_val[0][xy][0];
- s->current_picture.motion_val[0][xy + wrap ][1] = s->current_picture.motion_val[0][xy][1];
- s->current_picture.motion_val[0][xy + wrap + 1][0] = s->current_picture.motion_val[0][xy][0];
- s->current_picture.motion_val[0][xy + wrap + 1][1] = s->current_picture.motion_val[0][xy][1];
+ s->current_picture.motion_val[dir][xy + 1 ][0] = s->current_picture.motion_val[dir][xy][0];
+ s->current_picture.motion_val[dir][xy + 1 ][1] = s->current_picture.motion_val[dir][xy][1];
+ s->current_picture.motion_val[dir][xy + wrap ][0] = s->current_picture.motion_val[dir][xy][0];
+ s->current_picture.motion_val[dir][xy + wrap ][1] = s->current_picture.motion_val[dir][xy][1];
+ s->current_picture.motion_val[dir][xy + wrap + 1][0] = s->current_picture.motion_val[dir][xy][0];
+ s->current_picture.motion_val[dir][xy + wrap + 1][1] = s->current_picture.motion_val[dir][xy][1];
} else if (mvn == 2) { /* duplicate motion data for 2-Field MV block */
- s->current_picture.motion_val[0][xy + 1][0] = s->current_picture.motion_val[0][xy][0];
- s->current_picture.motion_val[0][xy + 1][1] = s->current_picture.motion_val[0][xy][1];
- s->mv[0][n + 1][0] = s->mv[0][n][0];
- s->mv[0][n + 1][1] = s->mv[0][n][1];
+ s->current_picture.motion_val[dir][xy + 1][0] = s->current_picture.motion_val[dir][xy][0];
+ s->current_picture.motion_val[dir][xy + 1][1] = s->current_picture.motion_val[dir][xy][1];
+ s->mv[dir][n + 1][0] = s->mv[dir][n][0];
+ s->mv[dir][n + 1][1] = s->mv[dir][n][1];
}
}
@@ -1816,6 +1895,7 @@ static void vc1_interp_mc(VC1Context *v)
int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
int off, off_uv;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ int use_ic = v->next_use_ic;
if (!v->field_mode && !v->s.next_picture.f.data[0])
return;
@@ -1870,7 +1950,7 @@ static void vc1_interp_mc(VC1Context *v)
srcV = s->edge_emu_buffer + 18 * s->linesize;
}
- if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22
+ 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;
@@ -1909,6 +1989,32 @@ static void vc1_interp_mc(VC1Context *v)
src2 += s->uvlinesize;
}
}
+
+ if (use_ic) {
+ uint8_t (*luty )[256] = v->next_luty;
+ uint8_t (*lutuv)[256] = v->next_lutuv;
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcY;
+ for (j = 0; j < 17 + s->mspel * 2; j++) {
+ int f = v->field_mode ? v->ref_field_type[1] : ((j+src_y - s->mspel)&1);
+ for (i = 0; i < 17 + s->mspel * 2; i++)
+ src[i] = luty[f][src[i]];
+ src += s->linesize;
+ }
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 9; j++) {
+ int f = v->field_mode ? v->ref_field_type[1] : ((j+uvsrc_y)&1);
+ for (i = 0; i < 9; i++) {
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
+ }
+ src += s->uvlinesize;
+ src2 += s->uvlinesize;
+ }
+ }
srcY += s->mspel * (1 + s->linesize);
}
@@ -1968,30 +2074,18 @@ static av_always_inline int scale_mv(int value, int bfrac, int inv, int qs)
static inline void vc1_b_mc(VC1Context *v, int dmv_x[2], int dmv_y[2],
int direct, int mode)
{
- if (v->use_ic) {
- v->mv_mode2 = v->mv_mode;
- v->mv_mode = MV_PMODE_INTENSITY_COMP;
- }
if (direct) {
vc1_mc_1mv(v, 0);
vc1_interp_mc(v);
- if (v->use_ic)
- v->mv_mode = v->mv_mode2;
return;
}
if (mode == BMV_TYPE_INTERPOLATED) {
vc1_mc_1mv(v, 0);
vc1_interp_mc(v);
- if (v->use_ic)
- v->mv_mode = v->mv_mode2;
return;
}
- if (v->use_ic && (mode == BMV_TYPE_BACKWARD))
- v->mv_mode = v->mv_mode2;
vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD));
- if (v->use_ic)
- v->mv_mode = v->mv_mode2;
}
static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
@@ -2687,7 +2781,7 @@ static int vc1_decode_i_block_adv(VC1Context *v, int16_t block[64], int n,
MpegEncContext *s = &v->s;
int dc_pred_dir = 0; /* Direction of the DC prediction used */
int i;
- int16_t *dc_val;
+ int16_t *dc_val = NULL;
int16_t *ac_val, *ac_val2;
int dcdiff;
int a_avail = v->a_avail, c_avail = v->c_avail;
@@ -2899,7 +2993,7 @@ static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n,
MpegEncContext *s = &v->s;
int dc_pred_dir = 0; /* Direction of the DC prediction used */
int i;
- int16_t *dc_val;
+ int16_t *dc_val = NULL;
int16_t *ac_val, *ac_val2;
int dcdiff;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
@@ -3548,7 +3642,7 @@ static int vc1_decode_p_mb(VC1Context *v)
}
vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0);
if (!s->mb_intra)
- vc1_mc_4mv_luma(v, i, 0);
+ vc1_mc_4mv_luma(v, i, 0, 0);
intra_count += s->mb_intra;
is_intra[i] = s->mb_intra;
is_coded[i] = mb_has_coeffs;
@@ -3638,7 +3732,7 @@ static int vc1_decode_p_mb(VC1Context *v)
}
for (i = 0; i < 4; i++) {
vc1_pred_mv(v, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0);
- vc1_mc_4mv_luma(v, i, 0);
+ vc1_mc_4mv_luma(v, i, 0, 0);
}
vc1_mc_4mv_chroma(v, 0);
s->current_picture.qscale_table[mb_pos] = 0;
@@ -3674,7 +3768,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
int idx_mbmode = 0, mvbp;
int stride_y, fieldtx;
- mquant = v->pq; /* Loosy initialization */
+ mquant = v->pq; /* Lossy initialization */
if (v->skip_is_raw)
skipped = get_bits1(gb);
@@ -3716,8 +3810,10 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
break;
}
if (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_INTRA) { // intra MB
- s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
- s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
+ for (i = 0; i < 4; i++) {
+ s->current_picture.motion_val[1][s->block_index[i]][0] = 0;
+ s->current_picture.motion_val[1][s->block_index[i]][1] = 0;
+ }
s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA;
s->mb_intra = v->is_intra[s->mb_x] = 1;
for (i = 0; i < 6; i++)
@@ -3786,10 +3882,10 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
if (val) {
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
- vc1_pred_mv_intfr(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0]);
- vc1_mc_4mv_luma(v, i, 0);
+ vc1_pred_mv_intfr(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0);
+ vc1_mc_4mv_luma(v, i, 0, 0);
} else if (i == 4) {
- vc1_mc_4mv_chroma4(v);
+ vc1_mc_4mv_chroma4(v, 0, 0, 0);
}
}
} else if (twomv) {
@@ -3798,24 +3894,24 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
if (mvbp & 2) {
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
- vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0]);
- vc1_mc_4mv_luma(v, 0, 0);
- vc1_mc_4mv_luma(v, 1, 0);
+ vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], 0);
+ vc1_mc_4mv_luma(v, 0, 0, 0);
+ vc1_mc_4mv_luma(v, 1, 0, 0);
dmv_x = dmv_y = 0;
if (mvbp & 1) {
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
- vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0]);
- vc1_mc_4mv_luma(v, 2, 0);
- vc1_mc_4mv_luma(v, 3, 0);
- vc1_mc_4mv_chroma4(v);
+ vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], 0);
+ vc1_mc_4mv_luma(v, 2, 0, 0);
+ vc1_mc_4mv_luma(v, 3, 0, 0);
+ vc1_mc_4mv_chroma4(v, 0, 0, 0);
} else {
mvbp = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][2];
dmv_x = dmv_y = 0;
if (mvbp) {
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
- vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0]);
+ vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0);
vc1_mc_1mv(v, 0);
}
if (cbp)
@@ -3855,7 +3951,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
v->blk_mv_type[s->block_index[1]] = 0;
v->blk_mv_type[s->block_index[2]] = 0;
v->blk_mv_type[s->block_index[3]] = 0;
- vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0]);
+ vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0);
vc1_mc_1mv(v, 0);
}
if (s->mb_x == s->mb_width - 1)
@@ -3878,11 +3974,11 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
int val; /* temp values */
int first_block = 1;
int dst_idx, off;
- int pred_flag;
+ int pred_flag = 0;
int block_cbp = 0, pat, block_tt = 0;
int idx_mbmode = 0;
- mquant = v->pq; /* Loosy initialization */
+ mquant = v->pq; /* Lossy initialization */
idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
if (idx_mbmode <= 1) { // intra MB
@@ -3942,7 +4038,7 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag);
}
vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0);
- vc1_mc_4mv_luma(v, i, 0);
+ vc1_mc_4mv_luma(v, i, 0, 0);
} else if (i == 4)
vc1_mc_4mv_chroma(v, 0);
}
@@ -4152,7 +4248,7 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
int bmvtype = BMV_TYPE_BACKWARD;
int idx_mbmode, interpmvp;
- mquant = v->pq; /* Loosy initialization */
+ mquant = v->pq; /* Lossy initialization */
s->mb_intra = 0;
idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
@@ -4251,7 +4347,7 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
&pred_flag[bmvtype == BMV_TYPE_BACKWARD]);
}
vc1_pred_b_mv_intfi(v, i, dmv_x, dmv_y, 0, pred_flag);
- vc1_mc_4mv_luma(v, i, bmvtype == BMV_TYPE_BACKWARD);
+ vc1_mc_4mv_luma(v, i, bmvtype == BMV_TYPE_BACKWARD, 0);
} else if (i == 4)
vc1_mc_4mv_chroma(v, bmvtype == BMV_TYPE_BACKWARD);
}
@@ -4285,6 +4381,357 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
}
}
+/** Decode one B-frame MB (in interlaced frame B picture)
+ */
+static int vc1_decode_b_mb_intfr(VC1Context *v)
+{
+ MpegEncContext *s = &v->s;
+ GetBitContext *gb = &s->gb;
+ int i, j;
+ int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
+ int cbp = 0; /* cbp decoding stuff */
+ int mqdiff, mquant; /* MB quantization */
+ int ttmb = v->ttfrm; /* MB Transform type */
+ int mvsw = 0; /* motion vector switch */
+ int mb_has_coeffs = 1; /* last_flag */
+ int dmv_x, dmv_y; /* Differential MV components */
+ int val; /* temp value */
+ int first_block = 1;
+ int dst_idx, off;
+ int skipped, direct, twomv = 0;
+ int block_cbp = 0, pat, block_tt = 0;
+ int idx_mbmode = 0, mvbp;
+ int stride_y, fieldtx;
+ int bmvtype = BMV_TYPE_BACKWARD;
+ int dir, dir2;
+
+ mquant = v->pq; /* Lossy initialization */
+ s->mb_intra = 0;
+ if (v->skip_is_raw)
+ skipped = get_bits1(gb);
+ else
+ skipped = v->s.mbskip_table[mb_pos];
+
+ if (!skipped) {
+ idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 2);
+ if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD)
+ {
+ twomv = 1;
+ v->blk_mv_type[s->block_index[0]] = 1;
+ v->blk_mv_type[s->block_index[1]] = 1;
+ v->blk_mv_type[s->block_index[2]] = 1;
+ v->blk_mv_type[s->block_index[3]] = 1;
+ } else {
+ v->blk_mv_type[s->block_index[0]] = 0;
+ v->blk_mv_type[s->block_index[1]] = 0;
+ v->blk_mv_type[s->block_index[2]] = 0;
+ v->blk_mv_type[s->block_index[3]] = 0;
+ }
+ }
+
+ if (v->dmb_is_raw)
+ direct = get_bits1(gb);
+ else
+ direct = v->direct_mb_plane[mb_pos];
+
+ if (direct) {
+ s->mv[0][0][0] = s->current_picture.motion_val[0][s->block_index[0]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][0], v->bfraction, 0, s->quarter_sample);
+ s->mv[0][0][1] = s->current_picture.motion_val[0][s->block_index[0]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][1], v->bfraction, 0, s->quarter_sample);
+ s->mv[1][0][0] = s->current_picture.motion_val[1][s->block_index[0]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][0], v->bfraction, 1, s->quarter_sample);
+ s->mv[1][0][1] = s->current_picture.motion_val[1][s->block_index[0]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][1], v->bfraction, 1, s->quarter_sample);
+
+ if (twomv) {
+ s->mv[0][2][0] = s->current_picture.motion_val[0][s->block_index[2]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][0], v->bfraction, 0, s->quarter_sample);
+ s->mv[0][2][1] = s->current_picture.motion_val[0][s->block_index[2]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][1], v->bfraction, 0, s->quarter_sample);
+ s->mv[1][2][0] = s->current_picture.motion_val[1][s->block_index[2]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][0], v->bfraction, 1, s->quarter_sample);
+ s->mv[1][2][1] = s->current_picture.motion_val[1][s->block_index[2]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][1], v->bfraction, 1, s->quarter_sample);
+
+ for (i = 1; i < 4; i+=2) {
+ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = s->mv[0][i-1][0];
+ s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = s->mv[0][i-1][1];
+ s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = s->mv[1][i-1][0];
+ s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = s->mv[1][i-1][1];
+ }
+ } else {
+ for (i = 1; i < 4; i++) {
+ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = s->mv[0][0][0];
+ s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = s->mv[0][0][1];
+ s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = s->mv[1][0][0];
+ s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = s->mv[1][0][1];
+ }
+ }
+ }
+
+ if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_INTRA) { // intra MB
+ for (i = 0; i < 4; i++) {
+ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = 0;
+ s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = 0;
+ s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = 0;
+ s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = 0;
+ }
+ s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA;
+ s->mb_intra = v->is_intra[s->mb_x] = 1;
+ for (i = 0; i < 6; i++)
+ v->mb_type[0][s->block_index[i]] = 1;
+ fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb);
+ mb_has_coeffs = get_bits1(gb);
+ if (mb_has_coeffs)
+ cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
+ v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb);
+ GET_MQUANT();
+ s->current_picture.qscale_table[mb_pos] = mquant;
+ /* Set DC scale - y and c use the same (not sure if necessary here) */
+ s->y_dc_scale = s->y_dc_scale_table[mquant];
+ s->c_dc_scale = s->c_dc_scale_table[mquant];
+ dst_idx = 0;
+ for (i = 0; i < 6; i++) {
+ s->dc_val[0][s->block_index[i]] = 0;
+ dst_idx += i >> 2;
+ val = ((cbp >> (5 - i)) & 1);
+ v->mb_type[0][s->block_index[i]] = s->mb_intra;
+ v->a_avail = v->c_avail = 0;
+ if (i == 2 || i == 3 || !s->first_slice_line)
+ v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
+ if (i == 1 || i == 3 || s->mb_x)
+ v->c_avail = v->mb_type[0][s->block_index[i] - 1];
+
+ vc1_decode_intra_block(v, s->block[i], i, val, mquant,
+ (i & 4) ? v->codingset2 : v->codingset);
+ if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
+ v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
+ if (i < 4) {
+ stride_y = s->linesize << fieldtx;
+ off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->linesize : (i & 1) * 8 + 4 * (i & 2) * s->linesize;
+ } else {
+ stride_y = s->uvlinesize;
+ off = 0;
+ }
+ s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, stride_y);
+ }
+ } else {
+ s->mb_intra = v->is_intra[s->mb_x] = 0;
+ if (!direct) {
+ if (skipped || !s->mb_intra) {
+ bmvtype = decode012(gb);
+ switch (bmvtype) {
+ case 0:
+ bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_BACKWARD : BMV_TYPE_FORWARD;
+ break;
+ case 1:
+ bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_FORWARD : BMV_TYPE_BACKWARD;
+ break;
+ case 2:
+ bmvtype = BMV_TYPE_INTERPOLATED;
+ }
+ }
+
+ if (twomv && bmvtype != BMV_TYPE_INTERPOLATED)
+ mvsw = get_bits1(gb);
+ }
+
+ if (!skipped) { // inter MB
+ mb_has_coeffs = ff_vc1_mbmode_intfrp[0][idx_mbmode][3];
+ if (mb_has_coeffs)
+ cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
+ if (!direct) {
+ if (bmvtype == BMV_TYPE_INTERPOLATED & twomv) {
+ v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1);
+ }
+ else if (bmvtype == BMV_TYPE_INTERPOLATED | twomv) {
+ v->twomvbp = get_vlc2(gb, v->twomvbp_vlc->table, VC1_2MV_BLOCK_PATTERN_VLC_BITS, 1);
+ }
+ }
+
+ for (i = 0; i < 6; i++)
+ v->mb_type[0][s->block_index[i]] = 0;
+ fieldtx = v->fieldtx_plane[mb_pos] = ff_vc1_mbmode_intfrp[0][idx_mbmode][1];
+ /* for all motion vector read MVDATA and motion compensate each block */
+ dst_idx = 0;
+ if (direct) {
+ if (twomv) {
+ for (i = 0; i < 4; i++) {
+ vc1_mc_4mv_luma(v, i, 0, 0);
+ vc1_mc_4mv_luma(v, i, 1, 1);
+ }
+ vc1_mc_4mv_chroma4(v, 0, 0, 0);
+ vc1_mc_4mv_chroma4(v, 1, 1, 1);
+ } else {
+ vc1_mc_1mv(v, 0);
+ vc1_interp_mc(v);
+ }
+ } else if (twomv && bmvtype == BMV_TYPE_INTERPOLATED) {
+ mvbp = v->fourmvbp;
+ for (i = 0; i < 4; i++) {
+ dir = i==1 || i==3;
+ dmv_x = dmv_y = 0;
+ val = ((mvbp >> (3 - i)) & 1);
+ if (val) {
+ get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
+ }
+ j = i > 1 ? 2 : 0;
+ vc1_pred_mv_intfr(v, j, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir);
+ vc1_mc_4mv_luma(v, j, dir, dir);
+ vc1_mc_4mv_luma(v, j+1, dir, dir);
+ }
+
+ vc1_mc_4mv_chroma4(v, 0, 0, 0);
+ vc1_mc_4mv_chroma4(v, 1, 1, 1);
+ } else if (bmvtype == BMV_TYPE_INTERPOLATED) {
+ mvbp = v->twomvbp;
+ dmv_x = dmv_y = 0;
+ if (mvbp & 2) {
+ get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
+ }
+
+ vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0);
+ vc1_mc_1mv(v, 0);
+
+ dmv_x = dmv_y = 0;
+ if (mvbp & 1) {
+ get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
+ }
+
+ vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 1);
+ vc1_interp_mc(v);
+ } else if (twomv) {
+ dir = bmvtype == BMV_TYPE_BACKWARD;
+ dir2 = dir;
+ if (mvsw)
+ dir2 = !dir;
+ mvbp = v->twomvbp;
+ dmv_x = dmv_y = 0;
+ if (mvbp & 2) {
+ get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
+ }
+ vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir);
+
+ dmv_x = dmv_y = 0;
+ if (mvbp & 1) {
+ get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
+ }
+ vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir2);
+
+ if (mvsw) {
+ for (i = 0; i<2; i++) {
+ s->mv[dir][i+2][0] = s->mv[dir][i][0] = s->current_picture.motion_val[dir][s->block_index[i+2]][0] = s->current_picture.motion_val[dir][s->block_index[i]][0];
+ s->mv[dir][i+2][1] = s->mv[dir][i][1] = s->current_picture.motion_val[dir][s->block_index[i+2]][1] = s->current_picture.motion_val[dir][s->block_index[i]][1];
+ s->mv[dir2][i+2][0] = s->mv[dir2][i][0] = s->current_picture.motion_val[dir2][s->block_index[i]][0] = s->current_picture.motion_val[dir2][s->block_index[i+2]][0];
+ s->mv[dir2][i+2][1] = s->mv[dir2][i][1] = s->current_picture.motion_val[dir2][s->block_index[i]][1] = s->current_picture.motion_val[dir2][s->block_index[i+2]][1];
+ }
+ } else {
+ vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, v->mb_type[0], !dir);
+ vc1_pred_mv_intfr(v, 2, 0, 0, 2, v->range_x, v->range_y, v->mb_type[0], !dir);
+ }
+
+ vc1_mc_4mv_luma(v, 0, dir, 0);
+ vc1_mc_4mv_luma(v, 1, dir, 0);
+ vc1_mc_4mv_luma(v, 2, dir2, 0);
+ vc1_mc_4mv_luma(v, 3, dir2, 0);
+ vc1_mc_4mv_chroma4(v, dir, dir2, 0);
+ } else {
+ dir = bmvtype == BMV_TYPE_BACKWARD;
+
+ mvbp = ff_vc1_mbmode_intfrp[0][idx_mbmode][2];
+ dmv_x = dmv_y = 0;
+ if (mvbp) {
+ get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
+ }
+
+ vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], dir);
+ v->blk_mv_type[s->block_index[0]] = 1;
+ v->blk_mv_type[s->block_index[1]] = 1;
+ v->blk_mv_type[s->block_index[2]] = 1;
+ v->blk_mv_type[s->block_index[3]] = 1;
+ vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, 0, !dir);
+ for (i = 0; i<2; i++) {
+ s->mv[!dir][i+2][0] = s->mv[!dir][i][0] = s->current_picture.motion_val[!dir][s->block_index[i+2]][0] = s->current_picture.motion_val[!dir][s->block_index[i]][0];
+ s->mv[!dir][i+2][1] = s->mv[!dir][i][1] = s->current_picture.motion_val[!dir][s->block_index[i+2]][1] = s->current_picture.motion_val[!dir][s->block_index[i]][1];
+ }
+ vc1_mc_1mv(v, dir);
+ }
+
+ if (cbp)
+ GET_MQUANT(); // p. 227
+ s->current_picture.qscale_table[mb_pos] = mquant;
+ if (!v->ttmbf && cbp)
+ ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
+ for (i = 0; i < 6; i++) {
+ s->dc_val[0][s->block_index[i]] = 0;
+ dst_idx += i >> 2;
+ val = ((cbp >> (5 - i)) & 1);
+ if (!fieldtx)
+ off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
+ else
+ off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->linesize));
+ if (val) {
+ pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
+ first_block, s->dest[dst_idx] + off,
+ (i & 4) ? s->uvlinesize : (s->linesize << fieldtx),
+ (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt);
+ block_cbp |= pat << (i << 2);
+ if (!v->ttmbf && ttmb < 8)
+ ttmb = -1;
+ first_block = 0;
+ }
+ }
+
+ } else { // skipped
+ dir = 0;
+ for (i = 0; i < 6; i++) {
+ v->mb_type[0][s->block_index[i]] = 0;
+ s->dc_val[0][s->block_index[i]] = 0;
+ }
+ s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP;
+ s->current_picture.qscale_table[mb_pos] = 0;
+ v->blk_mv_type[s->block_index[0]] = 0;
+ v->blk_mv_type[s->block_index[1]] = 0;
+ v->blk_mv_type[s->block_index[2]] = 0;
+ v->blk_mv_type[s->block_index[3]] = 0;
+
+ if (!direct) {
+ if (bmvtype == BMV_TYPE_INTERPOLATED) {
+ vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0);
+ vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 1);
+ } else {
+ dir = bmvtype == BMV_TYPE_BACKWARD;
+ vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], dir);
+ if (mvsw) {
+ int dir2 = dir;
+ if (mvsw)
+ dir2 = !dir;
+ for (i = 0; i<2; i++) {
+ s->mv[dir][i+2][0] = s->mv[dir][i][0] = s->current_picture.motion_val[dir][s->block_index[i+2]][0] = s->current_picture.motion_val[dir][s->block_index[i]][0];
+ s->mv[dir][i+2][1] = s->mv[dir][i][1] = s->current_picture.motion_val[dir][s->block_index[i+2]][1] = s->current_picture.motion_val[dir][s->block_index[i]][1];
+ s->mv[dir2][i+2][0] = s->mv[dir2][i][0] = s->current_picture.motion_val[dir2][s->block_index[i]][0] = s->current_picture.motion_val[dir2][s->block_index[i+2]][0];
+ s->mv[dir2][i+2][1] = s->mv[dir2][i][1] = s->current_picture.motion_val[dir2][s->block_index[i]][1] = s->current_picture.motion_val[dir2][s->block_index[i+2]][1];
+ }
+ } else {
+ v->blk_mv_type[s->block_index[0]] = 1;
+ v->blk_mv_type[s->block_index[1]] = 1;
+ v->blk_mv_type[s->block_index[2]] = 1;
+ v->blk_mv_type[s->block_index[3]] = 1;
+ vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, 0, !dir);
+ for (i = 0; i<2; i++) {
+ s->mv[!dir][i+2][0] = s->mv[!dir][i][0] = s->current_picture.motion_val[!dir][s->block_index[i+2]][0] = s->current_picture.motion_val[!dir][s->block_index[i]][0];
+ s->mv[!dir][i+2][1] = s->mv[!dir][i][1] = s->current_picture.motion_val[!dir][s->block_index[i+2]][1] = s->current_picture.motion_val[!dir][s->block_index[i]][1];
+ }
+ }
+ }
+ }
+
+ vc1_mc_1mv(v, dir);
+ if (direct || bmvtype == BMV_TYPE_INTERPOLATED) {
+ vc1_interp_mc(v);
+ }
+ }
+ }
+ if (s->mb_x == s->mb_width - 1)
+ memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0])*s->mb_stride);
+ v->cbp[s->mb_x] = block_cbp;
+ v->ttblk[s->mb_x] = block_tt;
+ return 0;
+}
+
/** Decode blocks of I-frame
*/
static void vc1_decode_i_blocks(VC1Context *v)
@@ -4675,6 +5122,8 @@ static void vc1_decode_b_blocks(VC1Context *v)
if (v->fcm == ILACE_FIELD)
vc1_decode_b_mb_intfi(v);
+ else if (v->fcm == ILACE_FRAME)
+ vc1_decode_b_mb_intfr(v);
else
vc1_decode_b_mb(v);
if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) {
@@ -4708,9 +5157,11 @@ static void vc1_decode_skip_blocks(VC1Context *v)
s->mb_x = 0;
init_block_index(v);
ff_update_block_index(s);
- memcpy(s->dest[0], s->last_picture.f.data[0] + s->mb_y * 16 * s->linesize, s->linesize * 16);
- memcpy(s->dest[1], s->last_picture.f.data[1] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
- memcpy(s->dest[2], s->last_picture.f.data[2] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
+ if (s->last_picture.f.data[0]) {
+ memcpy(s->dest[0], s->last_picture.f.data[0] + s->mb_y * 16 * s->linesize, s->linesize * 16);
+ memcpy(s->dest[1], s->last_picture.f.data[1] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
+ memcpy(s->dest[2], s->last_picture.f.data[2] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
+ }
ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
@@ -4980,6 +5431,7 @@ static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
{
+ int ret;
MpegEncContext *s = &v->s;
AVCodecContext *avctx = s->avctx;
SpriteData sd;
@@ -4997,10 +5449,8 @@ static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
}
av_frame_unref(&v->sprite_output_frame);
- if (ff_get_buffer(avctx, &v->sprite_output_frame, 0) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
- }
+ if ((ret = ff_get_buffer(avctx, &v->sprite_output_frame, 0)) < 0)
+ return ret;
vc1_draw_sprites(v, &sd);
@@ -5063,9 +5513,6 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
v->mv_f_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
v->mv_f[0] = v->mv_f_base + s->b8_stride + 1;
v->mv_f[1] = v->mv_f[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
- v->mv_f_last_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
- v->mv_f_last[0] = v->mv_f_last_base + s->b8_stride + 1;
- v->mv_f_last[1] = v->mv_f_last[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
v->mv_f_next_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
v->mv_f_next[0] = v->mv_f_next_base + s->b8_stride + 1;
v->mv_f_next[1] = v->mv_f_next[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
@@ -5135,6 +5582,16 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
if (ff_vc1_init_common(v) < 0)
return -1;
+ // ensure static VLC tables are initialized
+ if (ff_msmpeg4_decode_init(avctx) < 0)
+ return -1;
+ if (ff_vc1_decode_init_alloc_tables(v) < 0)
+ return -1;
+ // Hack to ensure the above functions will be called
+ // again once we know all necessary settings.
+ // That this is necessary might indicate a bug.
+ ff_vc1_decode_end(avctx);
+
ff_h264chroma_init(&v->h264chroma, 8);
ff_vc1dsp_init(&v->vc1dsp);
@@ -5235,6 +5692,11 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
v->sprite_height > 1 << 14 ||
v->output_width > 1 << 14 ||
v->output_height > 1 << 14) return -1;
+
+ if ((v->sprite_width&1) || (v->sprite_height&1)) {
+ avpriv_request_sample(avctx, "odd sprites support");
+ return AVERROR_PATCHWELCOME;
+ }
}
return 0;
}
@@ -5263,7 +5725,6 @@ av_cold int ff_vc1_decode_end(AVCodecContext *avctx)
av_freep(&v->mb_type_base);
av_freep(&v->blk_mv_type_base);
av_freep(&v->mv_f_base);
- av_freep(&v->mv_f_last_base);
av_freep(&v->mv_f_next_base);
av_freep(&v->block);
av_freep(&v->cbp_base);
@@ -5287,14 +5748,19 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
MpegEncContext *s = &v->s;
AVFrame *pict = data;
uint8_t *buf2 = NULL;
- const uint8_t *buf_start = buf;
- int mb_height, n_slices1;
+ const uint8_t *buf_start = buf, *buf_start_second_field = NULL;
+ int mb_height, n_slices1=-1;
struct {
uint8_t *buf;
GetBitContext gb;
int mby_start;
} *slices = NULL, *tmp;
+ v->second_field = 0;
+
+ if(s->flags & CODEC_FLAG_LOW_DELAY)
+ s->low_delay = 1;
+
/* no supplementary picture */
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == VC1_CODE_ENDOFSEQ)) {
/* special case for last picture */
@@ -5306,7 +5772,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
*got_frame = 1;
}
- return 0;
+ return buf_size;
}
if (s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {
@@ -5339,6 +5805,9 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
break;
case VC1_CODE_FIELD: {
int buf_size3;
+ if (avctx->hwaccel ||
+ s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
+ buf_start_second_field = start;
tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
if (!tmp)
goto err;
@@ -5390,6 +5859,9 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced frame\n");
goto err;
} else { // found field marker, unescape second field
+ if (avctx->hwaccel ||
+ s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
+ buf_start_second_field = divider;
tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
if (!tmp)
goto err;
@@ -5443,6 +5915,8 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
s->low_delay = !avctx->has_b_frames || v->res_sprite;
if (v->profile == PROFILE_ADVANCED) {
+ if(avctx->coded_width<=1 || avctx->coded_height<=1)
+ goto err;
s->h_edge_pos = avctx->coded_width;
s->v_edge_pos = avctx->coded_height;
}
@@ -5471,12 +5945,20 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
}
v->first_pic_header_flag = 0;
+ if (avctx->debug & FF_DEBUG_PICT_INFO)
+ av_log(v->s.avctx, AV_LOG_DEBUG, "pict_type: %c\n", av_get_picture_type_char(s->pict_type));
+
if ((avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE)
&& s->pict_type != AV_PICTURE_TYPE_I) {
av_log(v->s.avctx, AV_LOG_ERROR, "Sprite decoder: expected I-frame\n");
goto err;
}
+ if ((s->mb_height >> v->field_mode) == 0) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "image too short\n");
+ goto err;
+ }
+
// process pulldown flags
s->current_picture_ptr->f.repeat_pict = 0;
// Pulldown flags are only valid when 'broadcast' has been set.
@@ -5514,39 +5996,71 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
goto err;
}
+ v->s.current_picture_ptr->f.interlaced_frame = (v->fcm != PROGRESSIVE);
+ v->s.current_picture_ptr->f.top_field_first = v->tff;
+
s->me.qpel_put = s->dsp.put_qpel_pixels_tab;
s->me.qpel_avg = s->dsp.avg_qpel_pixels_tab;
if ((CONFIG_VC1_VDPAU_DECODER)
- &&s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
- ff_vdpau_vc1_decode_picture(s, buf_start, (buf + buf_size) - buf_start);
- else if (avctx->hwaccel) {
- if (avctx->hwaccel->start_frame(avctx, buf, buf_size) < 0)
- goto err;
- if (avctx->hwaccel->decode_slice(avctx, buf_start, (buf + buf_size) - buf_start) < 0)
- goto err;
- if (avctx->hwaccel->end_frame(avctx) < 0)
- goto err;
+ &&s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {
+ if (v->field_mode && buf_start_second_field) {
+ ff_vdpau_vc1_decode_picture(s, buf_start, buf_start_second_field - buf_start);
+ ff_vdpau_vc1_decode_picture(s, buf_start_second_field, (buf + buf_size) - buf_start_second_field);
+ } else {
+ ff_vdpau_vc1_decode_picture(s, buf_start, (buf + buf_size) - buf_start);
+ }
+ } else if (avctx->hwaccel) {
+ if (v->field_mode && buf_start_second_field) {
+ // decode first field
+ s->picture_structure = PICT_BOTTOM_FIELD - v->tff;
+ if (avctx->hwaccel->start_frame(avctx, buf_start, buf_start_second_field - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->decode_slice(avctx, buf_start, buf_start_second_field - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->end_frame(avctx) < 0)
+ goto err;
+
+ // decode second field
+ s->gb = slices[n_slices1 + 1].gb;
+ s->picture_structure = PICT_TOP_FIELD + v->tff;
+ v->second_field = 1;
+ v->pic_header_flag = 0;
+ if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "parsing header for second field failed");
+ goto err;
+ }
+ v->s.current_picture_ptr->f.pict_type = v->s.pict_type;
+
+ if (avctx->hwaccel->start_frame(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0)
+ goto err;
+ if (avctx->hwaccel->decode_slice(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0)
+ goto err;
+ if (avctx->hwaccel->end_frame(avctx) < 0)
+ goto err;
+ } else {
+ s->picture_structure = PICT_FRAME;
+ if (avctx->hwaccel->start_frame(avctx, buf_start, (buf + buf_size) - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->decode_slice(avctx, buf_start, (buf + buf_size) - buf_start) < 0)
+ goto err;
+ if (avctx->hwaccel->end_frame(avctx) < 0)
+ goto err;
+ }
} else {
+ int header_ret = 0;
+
+
ff_mpeg_er_frame_start(s);
v->bits = buf_size * 8;
v->end_mb_x = s->mb_width;
if (v->field_mode) {
- uint8_t *tmp[2];
s->current_picture.f.linesize[0] <<= 1;
s->current_picture.f.linesize[1] <<= 1;
s->current_picture.f.linesize[2] <<= 1;
s->linesize <<= 1;
s->uvlinesize <<= 1;
- tmp[0] = v->mv_f_last[0];
- tmp[1] = v->mv_f_last[1];
- v->mv_f_last[0] = v->mv_f_next[0];
- v->mv_f_last[1] = v->mv_f_next[1];
- v->mv_f_next[0] = v->mv_f[0];
- v->mv_f_next[1] = v->mv_f[1];
- v->mv_f[0] = tmp[0];
- v->mv_f[1] = tmp[1];
}
mb_height = s->mb_height >> v->field_mode;
for (i = 0; i <= n_slices; i++) {
@@ -5558,7 +6072,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
continue;
}
v->second_field = 1;
- v->blocks_off = s->mb_width * s->mb_height << 1;
+ v->blocks_off = s->b8_stride * (s->mb_height&~1);
v->mb_off = s->mb_stride * s->mb_height >> 1;
} else {
v->second_field = 0;
@@ -5568,43 +6082,60 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
if (i) {
v->pic_header_flag = 0;
if (v->field_mode && i == n_slices1 + 2) {
- if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) {
+ if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) {
av_log(v->s.avctx, AV_LOG_ERROR, "Field header damaged\n");
continue;
}
} else if (get_bits1(&s->gb)) {
v->pic_header_flag = 1;
- if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) {
+ if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) {
av_log(v->s.avctx, AV_LOG_ERROR, "Slice header damaged\n");
continue;
}
}
}
+ if (header_ret < 0)
+ continue;
s->start_mb_y = (i == 0) ? 0 : FFMAX(0, slices[i-1].mby_start % mb_height);
if (!v->field_mode || v->second_field)
s->end_mb_y = (i == n_slices ) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height);
- else
+ else {
+ if (i >= n_slices) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "first field slice count too large\n");
+ continue;
+ }
s->end_mb_y = (i <= n_slices1 + 1) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height);
+ }
+ if (s->end_mb_y <= s->start_mb_y) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "end mb y %d %d invalid\n", s->end_mb_y, s->start_mb_y);
+ continue;
+ }
+ if (!v->p_frame_skipped && s->pict_type != AV_PICTURE_TYPE_I && !v->cbpcy_vlc) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "missing cbpcy_vlc\n");
+ continue;
+ }
ff_vc1_decode_blocks(v);
if (i != n_slices)
s->gb = slices[i].gb;
}
if (v->field_mode) {
v->second_field = 0;
- if (s->pict_type == AV_PICTURE_TYPE_B) {
- memcpy(v->mv_f_base, v->mv_f_next_base,
- 2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
- }
s->current_picture.f.linesize[0] >>= 1;
s->current_picture.f.linesize[1] >>= 1;
s->current_picture.f.linesize[2] >>= 1;
s->linesize >>= 1;
s->uvlinesize >>= 1;
+ if (v->s.pict_type != AV_PICTURE_TYPE_BI && v->s.pict_type != AV_PICTURE_TYPE_B) {
+ FFSWAP(uint8_t *, v->mv_f_next[0], v->mv_f[0]);
+ FFSWAP(uint8_t *, v->mv_f_next[1], v->mv_f[1]);
+ }
}
av_dlog(s->avctx, "Consumed %i/%i bits\n",
get_bits_count(&s->gb), s->gb.size_in_bits);
// if (get_bits_count(&s->gb) > buf_size * 8)
// return -1;
+ if(s->er.error_occurred && s->pict_type == AV_PICTURE_TYPE_B)
+ goto err;
if (!v->field_mode)
ff_er_frame_end(&s->er);
}
@@ -5628,11 +6159,11 @@ image:
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
if ((ret = av_frame_ref(pict, &s->current_picture_ptr->f)) < 0)
goto err;
- ff_print_debug_info(s, s->current_picture_ptr);
+ ff_print_debug_info(s, s->current_picture_ptr, pict);
} else if (s->last_picture_ptr != NULL) {
if ((ret = av_frame_ref(pict, &s->last_picture_ptr->f)) < 0)
goto err;
- ff_print_debug_info(s, s->last_picture_ptr);
+ ff_print_debug_info(s, s->last_picture_ptr, pict);
}
if (s->last_picture_ptr || s->low_delay) {
*got_frame = 1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 21:43:17 +0000