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Diffstat (limited to 'chromium/third_party/ffmpeg/libavcodec/vc1dec.c')
-rw-r--r--chromium/third_party/ffmpeg/libavcodec/vc1dec.c297
1 files changed, 150 insertions, 147 deletions
diff --git a/chromium/third_party/ffmpeg/libavcodec/vc1dec.c b/chromium/third_party/ffmpeg/libavcodec/vc1dec.c
index 87846449ec7..c53c594bbe8 100644
--- a/chromium/third_party/ffmpeg/libavcodec/vc1dec.c
+++ b/chromium/third_party/ffmpeg/libavcodec/vc1dec.c
@@ -29,6 +29,7 @@
#include "internal.h"
#include "avcodec.h"
#include "error_resilience.h"
+#include "mpegutils.h"
#include "mpegvideo.h"
#include "h263.h"
#include "h264chroma.h"
@@ -59,29 +60,15 @@ static const int offset_table2[9] = { 0, 1, 3, 7, 15, 31, 63, 127, 255 };
* @{
*/
-/**
- * Imode types
- * @{
- */
-enum Imode {
- IMODE_RAW,
- IMODE_NORM2,
- IMODE_DIFF2,
- IMODE_NORM6,
- IMODE_DIFF6,
- IMODE_ROWSKIP,
- IMODE_COLSKIP
-};
-/** @} */ //imode defines
static void init_block_index(VC1Context *v)
{
MpegEncContext *s = &v->s;
ff_init_block_index(s);
if (v->field_mode && !(v->second_field ^ v->tff)) {
- s->dest[0] += s->current_picture_ptr->f.linesize[0];
- s->dest[1] += s->current_picture_ptr->f.linesize[1];
- s->dest[2] += s->current_picture_ptr->f.linesize[2];
+ s->dest[0] += s->current_picture_ptr->f->linesize[0];
+ s->dest[1] += s->current_picture_ptr->f->linesize[1];
+ s->dest[2] += s->current_picture_ptr->f->linesize[2];
}
}
@@ -354,7 +341,7 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
- !v->s.last_picture.f.data[0])
+ !v->s.last_picture.f->data[0])
return;
mx = s->mv[dir][0][0];
@@ -386,24 +373,24 @@ static void vc1_mc_1mv(VC1Context *v, 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];
- srcU = s->current_picture.f.data[1];
- srcV = s->current_picture.f.data[2];
+ 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;
+ 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];
+ 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];
+ 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;
@@ -436,9 +423,9 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
if (v->field_mode && v->ref_field_type[dir]) {
- srcY += s->current_picture_ptr->f.linesize[0];
- srcU += s->current_picture_ptr->f.linesize[1];
- srcV += s->current_picture_ptr->f.linesize[2];
+ srcY += s->current_picture_ptr->f->linesize[0];
+ srcU += s->current_picture_ptr->f->linesize[1];
+ srcV += s->current_picture_ptr->f->linesize[2];
}
/* for grayscale we should not try to read from unknown area */
@@ -523,11 +510,7 @@ static void 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)
@@ -575,7 +558,7 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
- !v->s.last_picture.f.data[0])
+ !v->s.last_picture.f->data[0])
return;
mx = s->mv[dir][n][0];
@@ -583,16 +566,16 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
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];
+ 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];
+ srcY = s->last_picture.f->data[0];
luty = v->last_luty;
use_ic = v->last_use_ic;
}
} else {
- srcY = s->next_picture.f.data[0];
+ srcY = s->next_picture.f->data[0];
luty = v->next_luty;
use_ic = v->next_use_ic;
}
@@ -692,7 +675,7 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
srcY += src_y * s->linesize + src_x;
if (v->field_mode && v->ref_field_type[dir])
- srcY += s->current_picture_ptr->f.linesize[0];
+ srcY += s->current_picture_ptr->f->linesize[0];
if (fieldmv && !(src_y & 1))
v_edge_pos--;
@@ -741,9 +724,9 @@ static void 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)
@@ -822,7 +805,7 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
uint8_t (*lutuv)[256];
int use_ic;
- if (!v->field_mode && !v->s.last_picture.f.data[0])
+ if (!v->field_mode && !v->s.last_picture.f->data[0])
return;
if (s->flags & CODEC_FLAG_GRAY)
return;
@@ -853,7 +836,7 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
if (dominant)
chroma_ref_type = !v->cur_field_type;
}
- if (v->field_mode && chroma_ref_type == 1 && v->cur_field_type == 1 && !v->s.last_picture.f.data[0])
+ if (v->field_mode && chroma_ref_type == 1 && v->cur_field_type == 1 && !v->s.last_picture.f->data[0])
return;
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;
@@ -884,19 +867,19 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
if (!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];
+ 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];
+ 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];
+ srcU = s->next_picture.f->data[1];
+ srcV = s->next_picture.f->data[2];
lutuv = v->next_lutuv;
use_ic = v->next_use_ic;
}
@@ -911,8 +894,8 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
if (v->field_mode) {
if (chroma_ref_type) {
- srcU += s->current_picture_ptr->f.linesize[1];
- srcV += s->current_picture_ptr->f.linesize[2];
+ srcU += s->current_picture_ptr->f->linesize[1];
+ srcV += s->current_picture_ptr->f->linesize[2];
}
}
@@ -1017,13 +1000,13 @@ static void 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];
- srcV = s->next_picture.f.data[2];
+ 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];
- srcV = s->last_picture.f.data[2];
+ srcU = s->last_picture.f->data[1];
+ srcV = s->last_picture.f->data[2];
lutuv = v->last_lutuv;
use_ic = v->last_use_ic;
}
@@ -1918,7 +1901,7 @@ static void vc1_interp_mc(VC1Context *v)
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])
+ if (!v->field_mode && !v->s.next_picture.f->data[0])
return;
mx = s->mv[1][0][0];
@@ -1926,17 +1909,18 @@ static void vc1_interp_mc(VC1Context *v)
uvmx = (mx + ((mx & 3) == 3)) >> 1;
uvmy = (my + ((my & 3) == 3)) >> 1;
if (v->field_mode) {
- if (v->cur_field_type != v->ref_field_type[1])
+ if (v->cur_field_type != v->ref_field_type[1]) {
my = my - 2 + 4 * v->cur_field_type;
uvmy = uvmy - 2 + 4 * v->cur_field_type;
+ }
}
if (v->fastuvmc) {
uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1));
uvmy = uvmy + ((uvmy < 0) ? -(uvmy & 1) : (uvmy & 1));
}
- srcY = s->next_picture.f.data[0];
- srcU = s->next_picture.f.data[1];
- srcV = s->next_picture.f.data[2];
+ srcY = s->next_picture.f->data[0];
+ srcU = s->next_picture.f->data[1];
+ srcV = s->next_picture.f->data[2];
src_x = s->mb_x * 16 + (mx >> 2);
src_y = s->mb_y * 16 + (my >> 2);
@@ -1960,9 +1944,9 @@ static void vc1_interp_mc(VC1Context *v)
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
if (v->field_mode && v->ref_field_type[1]) {
- srcY += s->current_picture_ptr->f.linesize[0];
- srcU += s->current_picture_ptr->f.linesize[1];
- srcV += s->current_picture_ptr->f.linesize[2];
+ srcY += s->current_picture_ptr->f->linesize[0];
+ srcU += s->current_picture_ptr->f->linesize[1];
+ srcV += s->current_picture_ptr->f->linesize[2];
}
/* for grayscale we should not try to read from unknown area */
@@ -2051,11 +2035,7 @@ static void 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);
@@ -2127,6 +2107,8 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
int r_x, r_y;
const uint8_t *is_intra = v->mb_type[0];
+ av_assert0(!v->field_mode);
+
r_x = v->range_x;
r_y = v->range_y;
/* scale MV difference to be quad-pel */
@@ -2139,13 +2121,15 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
xy = s->block_index[0];
if (s->mb_intra) {
- s->current_picture.motion_val[0][xy + v->blocks_off][0] =
- s->current_picture.motion_val[0][xy + v->blocks_off][1] =
- s->current_picture.motion_val[1][xy + v->blocks_off][0] =
- s->current_picture.motion_val[1][xy + v->blocks_off][1] = 0;
+ s->current_picture.motion_val[0][xy][0] =
+ s->current_picture.motion_val[0][xy][1] =
+ s->current_picture.motion_val[1][xy][0] =
+ s->current_picture.motion_val[1][xy][1] = 0;
return;
}
- if (!v->field_mode) {
+ if (direct && s->next_picture_ptr->field_picture)
+ av_log(s->avctx, AV_LOG_WARNING, "Mixed frame/field direct mode not supported\n");
+
s->mv[0][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 0, s->quarter_sample);
s->mv[0][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 0, s->quarter_sample);
s->mv[1][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 1, s->quarter_sample);
@@ -2156,12 +2140,11 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
s->mv[0][0][1] = av_clip(s->mv[0][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6));
s->mv[1][0][0] = av_clip(s->mv[1][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6));
s->mv[1][0][1] = av_clip(s->mv[1][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6));
- }
if (direct) {
- s->current_picture.motion_val[0][xy + v->blocks_off][0] = s->mv[0][0][0];
- s->current_picture.motion_val[0][xy + v->blocks_off][1] = s->mv[0][0][1];
- s->current_picture.motion_val[1][xy + v->blocks_off][0] = s->mv[1][0][0];
- s->current_picture.motion_val[1][xy + v->blocks_off][1] = s->mv[1][0][1];
+ s->current_picture.motion_val[0][xy][0] = s->mv[0][0][0];
+ s->current_picture.motion_val[0][xy][1] = s->mv[0][0][1];
+ s->current_picture.motion_val[1][xy][0] = s->mv[1][0][0];
+ s->current_picture.motion_val[1][xy][1] = s->mv[1][0][1];
return;
}
@@ -4356,6 +4339,10 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
if (bmvtype == BMV_TYPE_DIRECT) {
dmv_x[0] = dmv_y[0] = pred_flag[0] = 0;
dmv_x[1] = dmv_y[1] = pred_flag[0] = 0;
+ if (!s->next_picture_ptr->field_picture) {
+ av_log(s->avctx, AV_LOG_ERROR, "Mixed field/frame direct mode not supported\n");
+ return;
+ }
}
vc1_pred_b_mv_intfi(v, 0, dmv_x, dmv_y, 1, pred_flag);
vc1_b_mc(v, dmv_x, dmv_y, (bmvtype == BMV_TYPE_DIRECT), bmvtype);
@@ -4463,6 +4450,8 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
direct = v->direct_mb_plane[mb_pos];
if (direct) {
+ if (s->next_picture_ptr->field_picture)
+ av_log(s->avctx, AV_LOG_WARNING, "Mixed frame/field direct mode not supported\n");
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);
@@ -5173,7 +5162,7 @@ static void vc1_decode_skip_blocks(VC1Context *v)
{
MpegEncContext *s = &v->s;
- if (!v->s.last_picture.f.data[0])
+ if (!v->s.last_picture.f->data[0])
return;
ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, ER_MB_END);
@@ -5182,9 +5171,9 @@ 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);
+ 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;
}
@@ -5288,7 +5277,7 @@ static void vc1_sprite_parse_transform(GetBitContext* gb, int c[7])
c[6] = 1 << 16;
}
-static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
+static int vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
{
AVCodecContext *avctx = v->s.avctx;
int sprite, i;
@@ -5332,7 +5321,7 @@ static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
sd->effect_pcount2 = get_bits(gb, 16);
if (sd->effect_pcount2 > 10) {
av_log(avctx, AV_LOG_ERROR, "Too many effect parameters\n");
- return;
+ return AVERROR_INVALIDDATA;
} else if (sd->effect_pcount2) {
i = -1;
av_log(avctx, AV_LOG_DEBUG, "Effect params 2: ");
@@ -5349,10 +5338,14 @@ static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
av_log(avctx, AV_LOG_DEBUG, "Effect flag set\n");
if (get_bits_count(gb) >= gb->size_in_bits +
- (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE ? 64 : 0))
+ (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE ? 64 : 0)) {
av_log(avctx, AV_LOG_ERROR, "Buffer overrun\n");
+ return AVERROR_INVALIDDATA;
+ }
if (get_bits_count(gb) < gb->size_in_bits - 8)
av_log(avctx, AV_LOG_WARNING, "Buffer not fully read\n");
+
+ return 0;
}
static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
@@ -5364,7 +5357,7 @@ static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
int ysub[2];
MpegEncContext *s = &v->s;
- for (i = 0; i < 2; i++) {
+ for (i = 0; i <= v->two_sprites; i++) {
xoff[i] = av_clip(sd->coefs[i][2], 0, v->sprite_width-1 << 16);
xadv[i] = sd->coefs[i][0];
if (xadv[i] != 1<<16 || (v->sprite_width << 16) - (v->output_width << 16) - xoff[i])
@@ -5383,15 +5376,15 @@ static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
v->sprite_output_frame->linesize[plane] * row;
for (sprite = 0; sprite <= v->two_sprites; sprite++) {
- uint8_t *iplane = s->current_picture.f.data[plane];
- int iline = s->current_picture.f.linesize[plane];
+ uint8_t *iplane = s->current_picture.f->data[plane];
+ int iline = s->current_picture.f->linesize[plane];
int ycoord = yoff[sprite] + yadv[sprite] * row;
int yline = ycoord >> 16;
int next_line;
ysub[sprite] = ycoord & 0xFFFF;
if (sprite) {
- iplane = s->last_picture.f.data[plane];
- iline = s->last_picture.f.linesize[plane];
+ iplane = s->last_picture.f->data[plane];
+ iline = s->last_picture.f->linesize[plane];
}
next_line = FFMIN(yline + 1, (v->sprite_height >> !!plane) - 1) * iline;
if (!(xoff[sprite] & 0xFFFF) && xadv[sprite] == 1 << 16) {
@@ -5442,7 +5435,7 @@ static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
}
if (!plane) {
- for (i = 0; i < 2; i++) {
+ for (i = 0; i <= v->two_sprites; i++) {
xoff[i] >>= 1;
yoff[i] >>= 1;
}
@@ -5459,14 +5452,18 @@ static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
AVCodecContext *avctx = s->avctx;
SpriteData sd;
- vc1_parse_sprites(v, gb, &sd);
+ memset(&sd, 0, sizeof(sd));
+
+ ret = vc1_parse_sprites(v, gb, &sd);
+ if (ret < 0)
+ return ret;
- if (!s->current_picture.f.data[0]) {
+ if (!s->current_picture.f->data[0]) {
av_log(avctx, AV_LOG_ERROR, "Got no sprites\n");
return -1;
}
- if (v->two_sprites && (!s->last_picture_ptr || !s->last_picture.f.data[0])) {
+ if (v->two_sprites && (!s->last_picture_ptr || !s->last_picture.f->data[0])) {
av_log(avctx, AV_LOG_WARNING, "Need two sprites, only got one\n");
v->two_sprites = 0;
}
@@ -5484,7 +5481,7 @@ static void vc1_sprite_flush(AVCodecContext *avctx)
{
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
- AVFrame *f = &s->current_picture.f;
+ AVFrame *f = s->current_picture.f;
int plane, i;
/* Windows Media Image codecs have a convergence interval of two keyframes.
@@ -5504,14 +5501,15 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
{
MpegEncContext *s = &v->s;
int i;
+ int mb_height = FFALIGN(s->mb_height, 2);
/* Allocate mb bitplanes */
- v->mv_type_mb_plane = av_malloc (s->mb_stride * s->mb_height);
- v->direct_mb_plane = av_malloc (s->mb_stride * s->mb_height);
- v->forward_mb_plane = av_malloc (s->mb_stride * s->mb_height);
- v->fieldtx_plane = av_mallocz(s->mb_stride * s->mb_height);
- v->acpred_plane = av_malloc (s->mb_stride * s->mb_height);
- v->over_flags_plane = av_malloc (s->mb_stride * s->mb_height);
+ v->mv_type_mb_plane = av_malloc (s->mb_stride * mb_height);
+ v->direct_mb_plane = av_malloc (s->mb_stride * mb_height);
+ v->forward_mb_plane = av_malloc (s->mb_stride * mb_height);
+ v->fieldtx_plane = av_mallocz(s->mb_stride * mb_height);
+ v->acpred_plane = av_malloc (s->mb_stride * mb_height);
+ v->over_flags_plane = av_malloc (s->mb_stride * mb_height);
v->n_allocated_blks = s->mb_width + 2;
v->block = av_malloc(sizeof(*v->block) * v->n_allocated_blks);
@@ -5521,24 +5519,24 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
v->ttblk = v->ttblk_base + s->mb_stride;
v->is_intra_base = av_mallocz(sizeof(v->is_intra_base[0]) * 2 * s->mb_stride);
v->is_intra = v->is_intra_base + s->mb_stride;
- v->luma_mv_base = av_malloc(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride);
+ v->luma_mv_base = av_mallocz(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride);
v->luma_mv = v->luma_mv_base + s->mb_stride;
/* allocate block type info in that way so it could be used with s->block_index[] */
- v->mb_type_base = av_malloc(s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
+ v->mb_type_base = av_malloc(s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2);
v->mb_type[0] = v->mb_type_base + s->b8_stride + 1;
- v->mb_type[1] = v->mb_type_base + s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride + 1;
- v->mb_type[2] = v->mb_type[1] + s->mb_stride * (s->mb_height + 1);
+ v->mb_type[1] = v->mb_type_base + s->b8_stride * (mb_height * 2 + 1) + s->mb_stride + 1;
+ v->mb_type[2] = v->mb_type[1] + s->mb_stride * (mb_height + 1);
/* allocate memory to store block level MV info */
- v->blk_mv_type_base = av_mallocz( s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
+ v->blk_mv_type_base = av_mallocz( s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2);
v->blk_mv_type = v->blk_mv_type_base + s->b8_stride + 1;
- 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_base = av_mallocz(2 * (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (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_next_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
+ v->mv_f[1] = v->mv_f[0] + (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2);
+ v->mv_f_next_base = av_mallocz(2 * (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (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);
+ v->mv_f_next[1] = v->mv_f_next[0] + (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2);
/* Init coded blocks info */
if (v->profile == PROFILE_ADVANCED) {
@@ -5608,13 +5606,10 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
if (!avctx->extradata_size || !avctx->extradata)
return -1;
if (!(avctx->flags & CODEC_FLAG_GRAY))
- avctx->pix_fmt = avctx->get_format(avctx, avctx->codec->pix_fmts);
+ avctx->pix_fmt = ff_get_format(avctx, avctx->codec->pix_fmts);
else
avctx->pix_fmt = AV_PIX_FMT_GRAY8;
- avctx->hwaccel = ff_find_hwaccel(avctx);
v->s.avctx = avctx;
- avctx->flags |= CODEC_FLAG_EMU_EDGE;
- v->s.flags |= CODEC_FLAG_EMU_EDGE;
if ((ret = ff_vc1_init_common(v)) < 0)
return ret;
@@ -5629,7 +5624,6 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
ff_vc1_decode_end(avctx);
ff_h264chroma_init(&v->h264chroma, 8);
- ff_vc1dsp_init(&v->vc1dsp);
if (avctx->codec_id == AV_CODEC_ID_WMV3 || avctx->codec_id == AV_CODEC_ID_WMV3IMAGE) {
int count = 0;
@@ -5805,7 +5799,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == VC1_CODE_ENDOFSEQ)) {
/* special case for last picture */
if (s->low_delay == 0 && s->next_picture_ptr) {
- if ((ret = av_frame_ref(pict, &s->next_picture_ptr->f)) < 0)
+ if ((ret = av_frame_ref(pict, s->next_picture_ptr->f)) < 0)
return ret;
s->next_picture_ptr = NULL;
@@ -5850,7 +5844,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
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));
+ tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
if (!tmp)
goto err;
slices = tmp;
@@ -5863,7 +5857,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
buf_size3 << 3);
/* assuming that the field marker is at the exact middle,
hope it's correct */
- slices[n_slices].mby_start = s->mb_height >> 1;
+ slices[n_slices].mby_start = s->mb_height + 1 >> 1;
n_slices1 = n_slices - 1; // index of the last slice of the first field
n_slices++;
break;
@@ -5875,7 +5869,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
break;
case VC1_CODE_SLICE: {
int buf_size3;
- tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+ tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
if (!tmp)
goto err;
slices = tmp;
@@ -5904,7 +5898,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
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));
+ tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
if (!tmp)
goto err;
slices = tmp;
@@ -5914,7 +5908,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf);
init_get_bits(&slices[n_slices].gb, slices[n_slices].buf,
buf_size3 << 3);
- slices[n_slices].mby_start = s->mb_height >> 1;
+ slices[n_slices].mby_start = s->mb_height + 1 >> 1;
n_slices1 = n_slices - 1;
n_slices++;
}
@@ -5997,12 +5991,13 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
}
// for skipping the frame
- s->current_picture.f.pict_type = s->pict_type;
- s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
+ s->current_picture.f->pict_type = s->pict_type;
+ s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
/* skip B-frames if we don't have reference frames */
if (s->last_picture_ptr == NULL && (s->pict_type == AV_PICTURE_TYPE_B || s->droppable)) {
- goto err;
+ av_log(v->s.avctx, AV_LOG_DEBUG, "Skipping B frame without reference frames\n");
+ goto end;
}
if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) ||
(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) ||
@@ -6021,19 +6016,20 @@ 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;
+ v->s.current_picture_ptr->field_picture = v->field_mode;
+ v->s.current_picture_ptr->f->interlaced_frame = (v->fcm != PROGRESSIVE);
+ v->s.current_picture_ptr->f->top_field_first = v->tff;
// process pulldown flags
- s->current_picture_ptr->f.repeat_pict = 0;
+ s->current_picture_ptr->f->repeat_pict = 0;
// Pulldown flags are only valid when 'broadcast' has been set.
// So ticks_per_frame will be 2
if (v->rff) {
// repeat field
- s->current_picture_ptr->f.repeat_pict = 1;
+ s->current_picture_ptr->f->repeat_pict = 1;
} else if (v->rptfrm) {
// repeat frames
- s->current_picture_ptr->f.repeat_pict = v->rptfrm * 2;
+ s->current_picture_ptr->f->repeat_pict = v->rptfrm * 2;
}
s->me.qpel_put = s->dsp.put_qpel_pixels_tab;
@@ -6067,7 +6063,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
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;
+ 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;
@@ -6092,9 +6088,9 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
v->bits = buf_size * 8;
v->end_mb_x = s->mb_width;
if (v->field_mode) {
- s->current_picture.f.linesize[0] <<= 1;
- s->current_picture.f.linesize[1] <<= 1;
- s->current_picture.f.linesize[2] <<= 1;
+ 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;
}
@@ -6111,6 +6107,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
continue;
}
v->second_field = 1;
+ av_assert0((s->mb_height & 1) == 0);
v->blocks_off = s->b8_stride * (s->mb_height&~1);
v->mb_off = s->mb_stride * s->mb_height >> 1;
} else {
@@ -6163,9 +6160,9 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
}
if (v->field_mode) {
v->second_field = 0;
- s->current_picture.f.linesize[0] >>= 1;
- s->current_picture.f.linesize[1] >>= 1;
- s->current_picture.f.linesize[2] >>= 1;
+ 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) {
@@ -6200,12 +6197,12 @@ image:
*got_frame = 1;
} else {
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
- if ((ret = av_frame_ref(pict, &s->current_picture_ptr->f)) < 0)
+ if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0)
goto err;
ff_print_debug_info(s, s->current_picture_ptr, pict);
*got_frame = 1;
} else if (s->last_picture_ptr != NULL) {
- if ((ret = av_frame_ref(pict, &s->last_picture_ptr->f)) < 0)
+ if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0)
goto err;
ff_print_debug_info(s, s->last_picture_ptr, pict);
*got_frame = 1;
@@ -6237,13 +6234,13 @@ static const AVProfile profiles[] = {
};
static const enum AVPixelFormat vc1_hwaccel_pixfmt_list_420[] = {
-#if CONFIG_DXVA2
+#if CONFIG_VC1_DXVA2_HWACCEL
AV_PIX_FMT_DXVA2_VLD,
#endif
-#if CONFIG_VAAPI
+#if CONFIG_VC1_VAAPI_HWACCEL
AV_PIX_FMT_VAAPI_VLD,
#endif
-#if CONFIG_VDPAU
+#if CONFIG_VC1_VDPAU_HWACCEL
AV_PIX_FMT_VDPAU,
#endif
AV_PIX_FMT_YUV420P,
@@ -6326,7 +6323,10 @@ AVCodec ff_wmv3image_decoder = {
.decode = vc1_decode_frame,
.capabilities = CODEC_CAP_DR1,
.flush = vc1_sprite_flush,
- .pix_fmts = ff_pixfmt_list_420
+ .pix_fmts = (const enum AVPixelFormat[]) {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE
+ },
};
#endif
@@ -6342,6 +6342,9 @@ AVCodec ff_vc1image_decoder = {
.decode = vc1_decode_frame,
.capabilities = CODEC_CAP_DR1,
.flush = vc1_sprite_flush,
- .pix_fmts = ff_pixfmt_list_420
+ .pix_fmts = (const enum AVPixelFormat[]) {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE
+ },
};
#endif