* H.26L/H.264/AVC/JVT/14496-10/... direct mb/block decoding
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * 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
*/
{
int poc0 = sl->ref_list[0][i].poc;
int td = av_clip_int8(poc1 - poc0);
- if (td == 0 || sl->ref_list[0][i].long_ref) {
+ if (td == 0 || sl->ref_list[0][i].parent->long_ref) {
return 256;
} else {
int tb = av_clip_int8(poc - poc0);
if (FRAME_MBAFF(h))
for (field = 0; field < 2; field++) {
const int poc = h->cur_pic_ptr->field_poc[field];
- const int poc1 = sl->ref_list[1][0].field_poc[field];
+ const int poc1 = sl->ref_list[1][0].parent->field_poc[field];
for (i = 0; i < 2 * sl->ref_count[0]; i++)
sl->dist_scale_factor_field[field][i ^ field] =
get_scale_factor(sl, poc, poc1, i + 16);
int map[2][16 + 32], int list,
int field, int colfield, int mbafi)
{
- H264Picture *const ref1 = &sl->ref_list[1][0];
+ H264Picture *const ref1 = sl->ref_list[1][0].parent;
int j, old_ref, rfield;
int start = mbafi ? 16 : 0;
int end = mbafi ? 16 + 2 * sl->ref_count[0] : sl->ref_count[0];
poc = (poc & ~3) + rfield + 1;
for (j = start; j < end; j++) {
- if (4 * sl->ref_list[0][j].frame_num +
+ if (4 * sl->ref_list[0][j].parent->frame_num +
(sl->ref_list[0][j].reference & 3) == poc) {
int cur_ref = mbafi ? (j - 16) ^ field : j;
if (ref1->mbaff)
void ff_h264_direct_ref_list_init(const H264Context *const h, H264SliceContext *sl)
{
- H264Picture *const ref1 = &sl->ref_list[1][0];
+ H264Ref *const ref1 = &sl->ref_list[1][0];
H264Picture *const cur = h->cur_pic_ptr;
int list, j, field;
int sidx = (h->picture_structure & 1) ^ 1;
int ref1sidx = (ref1->reference & 1) ^ 1;
- for (list = 0; list < 2; list++) {
+ for (list = 0; list < sl->list_count; list++) {
cur->ref_count[sidx][list] = sl->ref_count[list];
for (j = 0; j < sl->ref_count[list]; j++)
- cur->ref_poc[sidx][list][j] = 4 * sl->ref_list[list][j].frame_num +
+ cur->ref_poc[sidx][list][j] = 4 * sl->ref_list[list][j].parent->frame_num +
(sl->ref_list[list][j].reference & 3);
}
cur->mbaff = FRAME_MBAFF(h);
sl->col_fieldoff = 0;
+
+ if (sl->list_count != 2 || !sl->ref_count[1])
+ return;
+
if (h->picture_structure == PICT_FRAME) {
int cur_poc = h->cur_pic_ptr->poc;
- int *col_poc = sl->ref_list[1]->field_poc;
+ int *col_poc = sl->ref_list[1][0].parent->field_poc;
sl->col_parity = (FFABS(col_poc[0] - cur_poc) >=
FFABS(col_poc[1] - cur_poc));
ref1sidx =
sidx = sl->col_parity;
// FL -> FL & differ parity
} else if (!(h->picture_structure & sl->ref_list[1][0].reference) &&
- !sl->ref_list[1][0].mbaff) {
+ !sl->ref_list[1][0].parent->mbaff) {
sl->col_fieldoff = 2 * sl->ref_list[1][0].reference - 3;
}
}
}
-static void await_reference_mb_row(const H264Context *const h, H264Picture *ref,
+static void await_reference_mb_row(const H264Context *const h, H264Ref *ref,
int mb_y)
{
int ref_field = ref->reference - 1;
- int ref_field_picture = ref->field_picture;
+ int ref_field_picture = ref->parent->field_picture;
int ref_height = 16 * h->mb_height >> ref_field_picture;
if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_FRAME))
/* FIXME: It can be safe to access mb stuff
* even if pixels aren't deblocked yet. */
- ff_thread_await_progress(&ref->tf,
+ ff_thread_await_progress(&ref->parent->tf,
FFMIN(16 * mb_y >> ref_field_picture,
ref_height - 1),
ref_field_picture && ref_field);
else
mv[list] = AV_RN32A(C);
}
+ av_assert2(ref[list] < (sl->ref_count[list] << !!FRAME_MBAFF(h)));
} else {
int mask = ~(MB_TYPE_L0 << (2 * list));
mv[list] = 0;
return;
}
- if (IS_INTERLACED(sl->ref_list[1][0].mb_type[mb_xy])) { // AFL/AFR/FR/FL -> AFL/FL
+ if (IS_INTERLACED(sl->ref_list[1][0].parent->mb_type[mb_xy])) { // AFL/AFR/FR/FL -> AFL/FL
if (!IS_INTERLACED(*mb_type)) { // AFR/FR -> AFL/FL
mb_y = (sl->mb_y & ~1) + sl->col_parity;
mb_xy = sl->mb_x +
if (IS_INTERLACED(*mb_type)) { // AFL /FL -> AFR/FR
mb_y = sl->mb_y & ~1;
mb_xy = (sl->mb_y & ~1) * h->mb_stride + sl->mb_x;
- mb_type_col[0] = sl->ref_list[1][0].mb_type[mb_xy];
- mb_type_col[1] = sl->ref_list[1][0].mb_type[mb_xy + h->mb_stride];
+ mb_type_col[0] = sl->ref_list[1][0].parent->mb_type[mb_xy];
+ mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy + h->mb_stride];
b8_stride = 2 + 4 * h->mb_stride;
b4_stride *= 6;
if (IS_INTERLACED(mb_type_col[0]) !=
} else { // AFR/FR -> AFR/FR
single_col:
mb_type_col[0] =
- mb_type_col[1] = sl->ref_list[1][0].mb_type[mb_xy];
+ mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy];
sub_mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2; /* B_SUB_8x8 */
if (!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)) {
await_reference_mb_row(h, &sl->ref_list[1][0], mb_y);
- l1mv0 = &sl->ref_list[1][0].motion_val[0][h->mb2b_xy[mb_xy]];
- l1mv1 = &sl->ref_list[1][0].motion_val[1][h->mb2b_xy[mb_xy]];
- l1ref0 = &sl->ref_list[1][0].ref_index[0][4 * mb_xy];
- l1ref1 = &sl->ref_list[1][0].ref_index[1][4 * mb_xy];
+ l1mv0 = (void*)&sl->ref_list[1][0].parent->motion_val[0][h->mb2b_xy[mb_xy]];
+ l1mv1 = (void*)&sl->ref_list[1][0].parent->motion_val[1][h->mb2b_xy[mb_xy]];
+ l1ref0 = &sl->ref_list[1][0].parent->ref_index[0][4 * mb_xy];
+ l1ref1 = &sl->ref_list[1][0].parent->ref_index[1][4 * mb_xy];
if (!b8_stride) {
if (sl->mb_y & 1) {
l1ref0 += 2;
(uint8_t)ref[0], 1);
fill_rectangle(&sl->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,
(uint8_t)ref[1], 1);
- if (!IS_INTRA(mb_type_col[y8]) && !sl->ref_list[1][0].long_ref &&
+ if (!IS_INTRA(mb_type_col[y8]) && !sl->ref_list[1][0].parent->long_ref &&
((l1ref0[xy8] == 0 &&
FFABS(l1mv0[xy4][0]) <= 1 &&
FFABS(l1mv0[xy4][1]) <= 1) ||
fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
fill_rectangle(&sl->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
- if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].long_ref &&
+ if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].parent->long_ref &&
((l1ref0[0] == 0 &&
FFABS(l1mv0[0][0]) <= 1 &&
FFABS(l1mv0[0][1]) <= 1) ||
assert(b8_stride == 2);
/* col_zero_flag */
- if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].long_ref &&
+ if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].parent->long_ref &&
(l1ref0[i8] == 0 ||
(l1ref0[i8] < 0 &&
l1ref1[i8] == 0 &&
await_reference_mb_row(h, &sl->ref_list[1][0],
sl->mb_y + !!IS_INTERLACED(*mb_type));
- if (IS_INTERLACED(sl->ref_list[1][0].mb_type[mb_xy])) { // AFL/AFR/FR/FL -> AFL/FL
+ if (IS_INTERLACED(sl->ref_list[1][0].parent->mb_type[mb_xy])) { // AFL/AFR/FR/FL -> AFL/FL
if (!IS_INTERLACED(*mb_type)) { // AFR/FR -> AFL/FL
mb_y = (sl->mb_y & ~1) + sl->col_parity;
mb_xy = sl->mb_x +
if (IS_INTERLACED(*mb_type)) { // AFL /FL -> AFR/FR
mb_y = sl->mb_y & ~1;
mb_xy = sl->mb_x + (sl->mb_y & ~1) * h->mb_stride;
- mb_type_col[0] = sl->ref_list[1][0].mb_type[mb_xy];
- mb_type_col[1] = sl->ref_list[1][0].mb_type[mb_xy + h->mb_stride];
+ mb_type_col[0] = sl->ref_list[1][0].parent->mb_type[mb_xy];
+ mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy + h->mb_stride];
b8_stride = 2 + 4 * h->mb_stride;
b4_stride *= 6;
if (IS_INTERLACED(mb_type_col[0]) !=
} else { // AFR/FR -> AFR/FR
single_col:
mb_type_col[0] =
- mb_type_col[1] = sl->ref_list[1][0].mb_type[mb_xy];
+ mb_type_col[1] = sl->ref_list[1][0].parent->mb_type[mb_xy];
sub_mb_type = MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 |
MB_TYPE_DIRECT2; /* B_SUB_8x8 */
await_reference_mb_row(h, &sl->ref_list[1][0], mb_y);
- l1mv0 = &sl->ref_list[1][0].motion_val[0][h->mb2b_xy[mb_xy]];
- l1mv1 = &sl->ref_list[1][0].motion_val[1][h->mb2b_xy[mb_xy]];
- l1ref0 = &sl->ref_list[1][0].ref_index[0][4 * mb_xy];
- l1ref1 = &sl->ref_list[1][0].ref_index[1][4 * mb_xy];
+ l1mv0 = (void*)&sl->ref_list[1][0].parent->motion_val[0][h->mb2b_xy[mb_xy]];
+ l1mv1 = (void*)&sl->ref_list[1][0].parent->motion_val[1][h->mb2b_xy[mb_xy]];
+ l1ref0 = &sl->ref_list[1][0].parent->ref_index[0][4 * mb_xy];
+ l1ref1 = &sl->ref_list[1][0].parent->ref_index[1][4 * mb_xy];
if (!b8_stride) {
if (sl->mb_y & 1) {
l1ref0 += 2;
map_col_to_list0[1] = sl->map_col_to_list0_field[sl->mb_y & 1][1];
dist_scale_factor = sl->dist_scale_factor_field[sl->mb_y & 1];
}
- ref_offset = (sl->ref_list[1][0].mbaff << 4) & (mb_type_col[0] >> 3);
+ ref_offset = (sl->ref_list[1][0].parent->mbaff << 4) & (mb_type_col[0] >> 3);
if (IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])) {
int y_shift = 2 * !IS_INTERLACED(*mb_type);
projects / ffmpeg / blobdiff