40 #if CONFIG_VP7_DECODER && CONFIG_VP8_DECODER
41 #define VPX(vp7, f) (vp7 ? vp7_ ## f : vp8_ ## f)
42 #elif CONFIG_VP7_DECODER
43 #define VPX(vp7, f) vp7_ ## f
44 #else // CONFIG_VP8_DECODER
45 #define VPX(vp7, f) vp8_ ## f
87 #if CONFIG_VP8_DECODER
130 for (i = 0; i < 5; i++)
224 for (i = 0; i < 4; i++)
227 for (i = 0; i < 4; i++)
231 for (i = 0; i < 3; i++)
240 for (i = 0; i < 4; i++) {
274 if (buf_size - size < 0)
317 for (i = 0; i < 4; i++) {
370 for (i = 0; i < 4; i++)
371 for (j = 0; j < 16; j++)
381 for (i = 0; i < 4; i++)
382 for (j = 0; j < 8; j++)
383 for (k = 0; k < 3; k++)
392 #define VP7_MVC_SIZE 17
393 #define VP8_MVC_SIZE 19
402 for (i = 0; i < 4; i++)
405 for (i = 0; i < 3; i++)
409 for (i = 0; i < 2; i++)
410 for (j = 0; j < mvc_size; j++)
430 for (j = 1; j < 3; j++) {
431 for (i = 0; i < height / 2; i++)
438 const uint8_t *src,
int src_linesize,
443 for (j = 0; j <
height; j++) {
444 for (i = 0; i <
width; i++) {
445 uint8_t y = src[j * src_linesize + i];
446 dst[j * dst_linesize + i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
457 if (!s->
keyframe && (alpha || beta)) {
484 width, height, alpha, beta);
493 int part1_size, hscale, vscale, i, j, ret;
501 s->
profile = (buf[0] >> 1) & 7;
509 part1_size =
AV_RL24(buf) >> 4;
511 if (buf_size < 4 - s->
profile + part1_size) {
525 buf_size -= part1_size;
533 if (hscale || vscale)
542 for (i = 0; i < 2; i++)
554 for (i = 0; i < 4; i++) {
559 for (j = 0; j < 3; j++)
564 for (j = 0; j < 4; j++)
622 for (i = 1; i < 16; i++)
649 int header_size, hscale, vscale, ret;
661 header_size =
AV_RL24(buf) >> 5;
675 if (header_size > buf_size - 7 * s->
keyframe) {
681 if (
AV_RL24(buf) != 0x2a019d) {
683 "Invalid start code 0x%x\n",
AV_RL24(buf));
686 width =
AV_RL16(buf + 3) & 0x3fff;
687 height =
AV_RL16(buf + 5) & 0x3fff;
688 hscale = buf[4] >> 6;
689 vscale = buf[6] >> 6;
693 if (hscale || vscale)
712 buf_size -= header_size;
778 dst->
x = av_clip(src->
x, av_clip(s->
mv_min.
x, INT16_MIN, INT16_MAX),
779 av_clip(s->
mv_max.
x, INT16_MIN, INT16_MAX));
780 dst->
y = av_clip(src->
y, av_clip(s->
mv_min.
y, INT16_MIN, INT16_MAX),
781 av_clip(s->
mv_max.
y, INT16_MIN, INT16_MAX));
794 for (i = 0; i < 3; i++)
796 for (i = (vp7 ? 7 : 9); i > 3; i--)
851 const uint8_t *mbsplits_top, *mbsplits_cur, *firstidx;
861 top_mv = top_mb->
bmv;
877 for (n = 0; n < num; n++) {
879 uint32_t left, above;
883 left =
AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
885 left =
AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
887 above =
AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
889 above =
AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
926 int xoffset,
int yoffset,
int boundary,
927 int *edge_x,
int *edge_y)
929 int vwidth = mb_width + 1;
930 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
931 if (
new < boundary ||
new % vwidth == vwidth - 1)
933 *edge_y =
new / vwidth;
934 *edge_x =
new % vwidth;
945 int mb_x,
int mb_y,
int layout)
948 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR };
949 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
973 if (
AV_RN32A(&near_mv[CNT_NEAREST])) {
974 if (mv ==
AV_RN32A(&near_mv[CNT_NEAREST])) {
976 }
else if (
AV_RN32A(&near_mv[CNT_NEAR])) {
977 if (mv !=
AV_RN32A(&near_mv[CNT_NEAR]))
985 AV_WN32A(&near_mv[CNT_NEAREST], mv);
1006 if (cnt[CNT_NEAREST] > cnt[CNT_NEAR])
1007 AV_WN32A(&mb->
mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 :
AV_RN32A(&near_mv[CNT_NEAREST]));
1017 mb->
bmv[0] = mb->
mv;
1020 mb->
mv = near_mv[CNT_NEAR];
1021 mb->
bmv[0] = mb->
mv;
1024 mb->
mv = near_mv[CNT_NEAREST];
1025 mb->
bmv[0] = mb->
mv;
1030 mb->
bmv[0] = mb->
mv;
1036 int mb_x,
int mb_y,
int layout)
1041 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
1042 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1051 mb_edge[0] = mb + 2;
1052 mb_edge[2] = mb + 1;
1063 #define MV_EDGE_CHECK(n) \
1065 VP8Macroblock *edge = mb_edge[n]; \
1066 int edge_ref = edge->ref_frame; \
1067 if (edge_ref != VP56_FRAME_CURRENT) { \
1068 uint32_t mv = AV_RN32A(&edge->mv); \
1070 if (cur_sign_bias != sign_bias[edge_ref]) { \
1073 mv = ((mv & 0x7fff7fff) + \
1074 0x00010001) ^ (mv & 0x80008000); \
1076 if (!n || mv != AV_RN32A(&near_mv[idx])) \
1077 AV_WN32A(&near_mv[++idx], mv); \
1078 cnt[idx] += 1 + (n != 2); \
1080 cnt[CNT_ZERO] += 1 + (n != 2); \
1093 if (cnt[CNT_SPLITMV] &&
1094 AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) ==
AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
1095 cnt[CNT_NEAREST] += 1;
1098 if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
1100 FFSWAP(
VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
1106 clamp_mv(s, &mb->
mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1117 mb->
bmv[0] = mb->
mv;
1121 mb->
bmv[0] = mb->
mv;
1125 mb->
bmv[0] = mb->
mv;
1130 mb->
bmv[0] = mb->
mv;
1136 int mb_x,
int keyframe,
int layout)
1152 for (y = 0; y < 4; y++) {
1153 for (x = 0; x < 4; x++) {
1157 left[
y] = top[x] = *intra4x4;
1163 for (i = 0; i < 16; i++)
1174 const char *vp7_feature_name[] = {
"q-index",
1176 "partial-golden-update",
1181 for (i = 0; i < 4; i++) {
1187 "Feature %s present in macroblock (value 0x%x)\n",
1196 *segment = ref ? *ref : *segment;
1263 int i,
uint8_t *token_prob, int16_t qmul[2],
1264 const uint8_t scan[16],
int vp7)
1278 token_prob = probs[i][0];
1286 token_prob = probs[i + 1][1];
1306 int cat = (a << 1) + b;
1307 coeff = 3 + (8 << cat);
1311 token_prob = probs[i + 1][2];
1323 int16_t
dc = block[0];
1332 block[0] = pred[0] =
dc;
1337 block[0] = pred[0] =
dc;
1351 token_prob, qmul, scan,
IS_VP7);
1354 #ifndef vp8_decode_block_coeffs_internal
1382 int i,
int zero_nhood, int16_t qmul[2],
1383 const uint8_t scan[16],
int vp7)
1385 uint8_t *token_prob = probs[i][zero_nhood];
1389 token_prob, qmul, scan)
1399 int i, x,
y, luma_start = 0, luma_ctx = 3;
1400 int nnz_pred, nnz, nnz_total = 0;
1405 nnz_pred = t_nnz[8] + l_nnz[8];
1411 l_nnz[8] = t_nnz[8] = !!nnz;
1431 for (y = 0; y < 4; y++)
1432 for (x = 0; x < 4; x++) {
1433 nnz_pred = l_nnz[
y] + t_nnz[x];
1436 luma_start, nnz_pred,
1442 t_nnz[x] = l_nnz[
y] = !!nnz;
1449 for (i = 4; i < 6; i++)
1450 for (y = 0; y < 2; y++)
1451 for (x = 0; x < 2; x++) {
1452 nnz_pred = l_nnz[i + 2 *
y] + t_nnz[i + 2 * x];
1458 t_nnz[i + 2 * x] = l_nnz[i + 2 *
y] = !!nnz;
1472 int linesize,
int uvlinesize,
int simple)
1474 AV_COPY128(top_border, src_y + 15 * linesize);
1476 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1477 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1483 uint8_t *src_cr,
int linesize,
int uvlinesize,
int mb_x,
1484 int mb_y,
int mb_width,
int simple,
int xchg)
1486 uint8_t *top_border_m1 = top_border - 32;
1488 src_cb -= uvlinesize;
1489 src_cr -= uvlinesize;
1491 #define XCHG(a, b, xchg) \
1499 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1500 XCHG(top_border, src_y, xchg);
1501 XCHG(top_border + 8, src_y + 8, 1);
1502 if (mb_x < mb_width - 1)
1503 XCHG(top_border + 32, src_y + 16, 1);
1507 if (!simple || !mb_y) {
1508 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1509 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1510 XCHG(top_border + 16, src_cb, 1);
1511 XCHG(top_border + 24, src_cr, 1);
1561 int *copy_buf,
int vp7)
1565 if (!mb_x && mb_y) {
1599 int x,
y,
mode, nnz;
1615 const uint8_t lo = is_vp7 ? 128 : 127;
1616 const uint8_t hi = is_vp7 ? 128 : 129;
1617 uint8_t tr_top[4] = { lo, lo, lo, lo };
1625 if (mb_y && mb_x == s->
mb_width - 1) {
1626 tr = tr_right[-1] * 0x01010101
u;
1633 for (y = 0; y < 4; y++) {
1635 for (x = 0; x < 4; x++) {
1640 if ((y == 0 || x == 3) && mb_y == 0) {
1643 topright = tr_right;
1646 mb_y + y, ©, is_vp7);
1648 dst = copy_dst + 12;
1652 AV_WN32A(copy_dst + 4, lo * 0x01010101U);
1658 copy_dst[3] = ptr[4 * x - s->
linesize - 1];
1667 copy_dst[11] = ptr[4 * x - 1];
1668 copy_dst[19] = ptr[4 * x + s->
linesize - 1];
1669 copy_dst[27] = ptr[4 * x + s->
linesize * 2 - 1];
1670 copy_dst[35] = ptr[4 * x + s->
linesize * 3 - 1];
1699 mb_x, mb_y, is_vp7);
1710 { 0, 1, 2, 1, 2, 1, 2, 1 },
1712 { 0, 3, 5, 3, 5, 3, 5, 3 },
1713 { 0, 2, 3, 2, 3, 2, 3, 2 },
1735 int x_off,
int y_off,
int block_w,
int block_h,
1742 int src_linesize = linesize;
1744 int mx = (mv->
x * 2) & 7, mx_idx = subpel_idx[0][mx];
1745 int my = (mv->
y * 2) & 7, my_idx = subpel_idx[0][my];
1747 x_off += mv->
x >> 2;
1748 y_off += mv->
y >> 2;
1752 src += y_off * linesize + x_off;
1753 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1754 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1756 src - my_idx * linesize - mx_idx,
1758 block_w + subpel_idx[1][mx],
1759 block_h + subpel_idx[1][my],
1760 x_off - mx_idx, y_off - my_idx,
1765 mc_func[my_idx][mx_idx](dst, linesize,
src, src_linesize, block_h, mx, my);
1768 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1769 linesize, block_h, 0, 0);
1793 int x_off,
int y_off,
int block_w,
int block_h,
1800 int mx = mv->
x & 7, mx_idx = subpel_idx[0][mx];
1801 int my = mv->
y & 7, my_idx = subpel_idx[0][my];
1803 x_off += mv->
x >> 3;
1804 y_off += mv->
y >> 3;
1807 src1 += y_off * linesize + x_off;
1808 src2 += y_off * linesize + x_off;
1810 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1811 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1813 src1 - my_idx * linesize - mx_idx,
1815 block_w + subpel_idx[1][mx],
1816 block_h + subpel_idx[1][my],
1817 x_off - mx_idx, y_off - my_idx, width, height);
1822 src2 - my_idx * linesize - mx_idx,
1823 EDGE_EMU_LINESIZE, linesize,
1824 block_w + subpel_idx[1][mx],
1825 block_h + subpel_idx[1][my],
1826 x_off - mx_idx, y_off - my_idx, width, height);
1828 mc_func[my_idx][mx_idx](dst2, linesize, src2,
EDGE_EMU_LINESIZE, block_h, mx, my);
1830 mc_func[my_idx][mx_idx](dst1, linesize,
src1, linesize, block_h, mx, my);
1831 mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
1835 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1836 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1843 int bx_off,
int by_off,
int block_w,
int block_h,
1850 ref_frame, mv, x_off + bx_off, y_off + by_off,
1851 block_w, block_h, width, height, s->
linesize,
1870 dst[2] + by_off * s->
uvlinesize + bx_off, ref_frame,
1871 &uvmv, x_off + bx_off, y_off + by_off,
1872 block_w, block_h, width, height, s->
uvlinesize,
1883 if (s->
ref_count[ref - 1] > (mb_xy >> 5)) {
1884 int x_off = mb_x << 4, y_off = mb_y << 4;
1885 int mx = (mb->
mv.
x >> 2) + x_off + 8;
1886 int my = (mb->
mv.
y >> 2) + y_off;
1888 int off = mx + (my + (mb_x & 3) * 4) * s->
linesize + 64;
1893 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->
uvlinesize + 64;
1905 int x_off = mb_x << 4, y_off = mb_y << 4;
1913 0, 0, 16, 16, width,
height, &mb->
mv);
1920 for (y = 0; y < 4; y++) {
1921 for (x = 0; x < 4; x++) {
1923 ref, &bmv[4 * y + x],
1924 4 * x + x_off, 4 * y + y_off, 4, 4,
1935 for (y = 0; y < 2; y++) {
1936 for (x = 0; x < 2; x++) {
1937 uvmv.
x = mb->
bmv[2 * y * 4 + 2 * x ].
x +
1938 mb->
bmv[2 * y * 4 + 2 * x + 1].
x +
1939 mb->
bmv[(2 * y + 1) * 4 + 2 * x ].x +
1940 mb->
bmv[(2 * y + 1) * 4 + 2 * x + 1].
x;
1941 uvmv.
y = mb->
bmv[2 * y * 4 + 2 * x ].
y +
1942 mb->
bmv[2 * y * 4 + 2 * x + 1].
y +
1943 mb->
bmv[(2 * y + 1) * 4 + 2 * x ].y +
1944 mb->
bmv[(2 * y + 1) * 4 + 2 * x + 1].
y;
1953 &uvmv, 4 * x + x_off, 4 * y + y_off, 4, 4,
1962 0, 0, 16, 8, width,
height, &bmv[0]);
1964 0, 8, 16, 8, width,
height, &bmv[1]);
1968 0, 0, 8, 16, width,
height, &bmv[0]);
1970 8, 0, 8, 16, width,
height, &bmv[1]);
1974 0, 0, 8, 8, width,
height, &bmv[0]);
1976 8, 0, 8, 8, width,
height, &bmv[1]);
1978 0, 8, 8, 8, width,
height, &bmv[2]);
1980 8, 8, 8, 8, width,
height, &bmv[3]);
1992 for (y = 0; y < 4; y++) {
1995 if (nnz4 & ~0x01010101) {
1996 for (x = 0; x < 4; x++) {
2017 for (ch = 0; ch < 2; ch++) {
2020 uint8_t *ch_dst = dst[1 + ch];
2021 if (nnz4 & ~0x01010101) {
2022 for (y = 0; y < 2; y++) {
2023 for (x = 0; x < 2; x++) {
2026 td->
block[4 + ch][(y << 1) + x],
2030 td->
block[4 + ch][(y << 1) + x],
2034 goto chroma_idct_end;
2051 int interior_limit, filter_level;
2065 filter_level = av_clip_uintp2(filter_level, 6);
2067 interior_limit = filter_level;
2072 interior_limit =
FFMAX(interior_limit, 1);
2082 int mb_x,
int mb_y,
int is_vp7)
2084 int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh;
2090 static const uint8_t hev_thresh_lut[2][64] = {
2091 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2092 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2093 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2095 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2096 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2097 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2105 bedge_lim_y = filter_level;
2106 bedge_lim_uv = filter_level * 2;
2107 mbedge_lim = filter_level + 2;
2110 bedge_lim_uv = filter_level * 2 + inner_limit;
2111 mbedge_lim = bedge_lim_y + 4;
2114 hev_thresh = hev_thresh_lut[s->
keyframe][filter_level];
2118 mbedge_lim, inner_limit, hev_thresh);
2120 mbedge_lim, inner_limit, hev_thresh);
2123 #define H_LOOP_FILTER_16Y_INNER(cond) \
2124 if (cond && inner_filter) { \
2125 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \
2126 bedge_lim_y, inner_limit, \
2128 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \
2129 bedge_lim_y, inner_limit, \
2131 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \
2132 bedge_lim_y, inner_limit, \
2134 s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \
2135 uvlinesize, bedge_lim_uv, \
2136 inner_limit, hev_thresh); \
2143 mbedge_lim, inner_limit, hev_thresh);
2145 mbedge_lim, inner_limit, hev_thresh);
2150 linesize, bedge_lim_y,
2151 inner_limit, hev_thresh);
2153 linesize, bedge_lim_y,
2154 inner_limit, hev_thresh);
2156 linesize, bedge_lim_y,
2157 inner_limit, hev_thresh);
2159 dst[2] + 4 * uvlinesize,
2160 uvlinesize, bedge_lim_uv,
2161 inner_limit, hev_thresh);
2171 int mbedge_lim, bedge_lim;
2180 bedge_lim = 2 * filter_level + inner_limit;
2181 mbedge_lim = bedge_lim + 4;
2200 #define MARGIN (16 << 2)
2210 for (mb_y = 0; mb_y < s->
mb_height; mb_y++) {
2212 ((s->
mb_width + 1) * (mb_y + 1) + 1);
2219 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb_xy++, mb++) {
2224 prev_frame && prev_frame->
seg_map ?
2247 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \
2249 int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF); \
2250 if (otd->thread_mb_pos < tmp) { \
2251 pthread_mutex_lock(&otd->lock); \
2252 td->wait_mb_pos = tmp; \
2254 if (otd->thread_mb_pos >= tmp) \
2256 pthread_cond_wait(&otd->cond, &otd->lock); \
2258 td->wait_mb_pos = INT_MAX; \
2259 pthread_mutex_unlock(&otd->lock); \
2263 #define update_pos(td, mb_y, mb_x) \
2265 int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
2266 int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
2268 int is_null = !next_td || !prev_td; \
2269 int pos_check = (is_null) ? 1 \
2270 : (next_td != td && \
2271 pos >= next_td->wait_mb_pos) || \
2273 pos >= prev_td->wait_mb_pos); \
2274 td->thread_mb_pos = pos; \
2275 if (sliced_threading && pos_check) { \
2276 pthread_mutex_lock(&td->lock); \
2277 pthread_cond_broadcast(&td->cond); \
2278 pthread_mutex_unlock(&td->lock); \
2282 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) while(0)
2283 #define update_pos(td, mb_y, mb_x) while(0)
2287 int jobnr,
int threadnr,
int is_vp7)
2292 int mb_x, mb_xy = mb_y * s->
mb_width;
2309 prev_td = &s->
thread_data[(jobnr + num_jobs - 1) % num_jobs];
2313 next_td = &s->
thread_data[(jobnr + 1) % num_jobs];
2323 memset(mb - 1, 0,
sizeof(*mb));
2327 if (!is_vp7 || mb_y == 0)
2333 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb_xy++, mb++) {
2337 if (prev_td != td) {
2338 if (threadnr != 0) {
2340 mb_x + (is_vp7 ? 2 : 1),
2341 mb_y - (is_vp7 ? 2 : 1));
2344 mb_x + (is_vp7 ? 2 : 1) + s->
mb_width + 3,
2345 mb_y - (is_vp7 ? 2 : 1));
2352 dst[2] - dst[1], 2);
2356 prev_frame && prev_frame->seg_map ?
2357 prev_frame->seg_map->data + mb_xy :
NULL, 0, is_vp7);
2388 if (s->
deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
2415 int jobnr,
int threadnr)
2421 int jobnr,
int threadnr)
2427 int jobnr,
int threadnr,
int is_vp7)
2449 prev_td = &s->
thread_data[(jobnr + num_jobs - 1) % num_jobs];
2453 next_td = &s->
thread_data[(jobnr + 1) % num_jobs];
2455 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb++) {
2459 (mb_x + 1) + (s->
mb_width + 3), mb_y - 1);
2464 if (num_jobs == 1) {
2476 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2486 int jobnr,
int threadnr)
2492 int jobnr,
int threadnr)
2499 int threadnr,
int is_vp7)
2509 for (mb_y = jobnr; mb_y < s->
mb_height; mb_y += num_jobs) {
2531 int jobnr,
int threadnr)
2537 int jobnr,
int threadnr)
2548 int ret, i, referenced, num_jobs;
2579 for (i = 0; i < 5; i++)
2581 &s->
frames[i] != prev_frame &&
2604 "Discarding interframe without a prior keyframe!\n");
2609 curframe->tf.f->key_frame = s->
keyframe;
2636 s->
linesize = curframe->tf.f->linesize[0];
2709 #if CONFIG_VP7_DECODER
2780 #if CONFIG_VP7_DECODER
2792 #if CONFIG_VP8_DECODER
2808 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2823 s->
prob[0] = s_src->
prob[!s_src->update_probabilities];
2829 if (s_src->frames[i].tf.f->data[0]) {
2830 int ret = vp8_ref_frame(s, &s->
frames[i], &s_src->frames[i]);
2836 s->
framep[0] = REBASE(s_src->next_framep[0]);
2837 s->
framep[1] = REBASE(s_src->next_framep[1]);
2838 s->
framep[2] = REBASE(s_src->next_framep[2]);
2839 s->
framep[3] = REBASE(s_src->next_framep[3]);
2845 #if CONFIG_VP7_DECODER
2852 .
init = vp7_decode_init,
2854 .
decode = vp7_decode_frame,
2860 #if CONFIG_VP8_DECODER
VP8Macroblock * macroblocks
static const uint8_t vp8_dc_qlookup[VP8_MAX_QUANT+1]
static av_always_inline void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], VP8Macroblock *mb, int mb_x, int mb_y, int is_vp7)
static const uint8_t vp8_submv_prob[5][3]
static const uint16_t vp7_ydc_qlookup[]
const struct AVCodec * codec
discard all frames except keyframes
void(* prefetch)(uint8_t *buf, ptrdiff_t stride, int h)
Prefetch memory into cache (if supported by hardware).
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static const uint8_t vp7_mv_default_prob[2][17]
static av_always_inline int pthread_mutex_destroy(pthread_mutex_t *mutex)
(only used in prediction) no split MVs
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
void ff_vp7dsp_init(VP8DSPContext *c)
static void update_lf_deltas(VP8Context *s)
This structure describes decoded (raw) audio or video data.
ptrdiff_t const GLvoid * data
static void flush(AVCodecContext *avctx)
static int vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
static const uint8_t vp7_pred4x4_mode[]
int8_t sign_bias[4]
one state [0, 1] per ref frame type
int coded_width
Bitstream width / height, may be different from width/height e.g.
static av_always_inline int inter_predict_dc(int16_t block[16], int16_t pred[2])
#define AV_LOG_WARNING
Something somehow does not look correct.
#define VP7_MV_PRED_COUNT
static av_always_inline int vp8_rac_get_tree(VP56RangeCoder *c, const int8_t(*tree)[2], const uint8_t *probs)
uint8_t feature_value[4][4]
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
static av_cold int init(AVCodecContext *avctx)
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
uint8_t * intra4x4_pred_mode_top
static VP56Frame ref_to_update(VP8Context *s, int update, VP56Frame ref)
Determine which buffers golden and altref should be updated with after this frame.
void(* vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
enum AVColorRange color_range
MPEG vs JPEG YUV range.
static int vp7_decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16], uint8_t probs[16][3][NUM_DCT_TOKENS-1], int i, uint8_t *token_prob, int16_t qmul[2], const uint8_t scan[16])
uint8_t token[4][16][3][NUM_DCT_TOKENS-1]
static void vp8_decode_flush(AVCodecContext *avctx)
vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id, const int bit_depth, int chroma_format_idc)
Set the intra prediction function pointers.
static const int8_t vp8_pred8x8c_tree[3][2]
static const uint16_t vp7_y2dc_qlookup[]
void ff_thread_await_progress(ThreadFrame *f, int n, int field)
Wait for earlier decoding threads to finish reference pictures.
static void copy_chroma(AVFrame *dst, AVFrame *src, int width, int height)
#define CONFIG_VP7_DECODER
static av_always_inline int pthread_cond_destroy(pthread_cond_t *cond)
int update_probabilities
If this flag is not set, all the probability updates are discarded after this frame is decoded...
static int vp8_decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16], uint8_t probs[16][3][NUM_DCT_TOKENS-1], int i, uint8_t *token_prob, int16_t qmul[2])
static void vp7_filter_mb_row(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
static int vp7_read_mv_component(VP56RangeCoder *c, const uint8_t *p)
vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]
first dimension: width>>3, height is assumed equal to width second dimension: 0 if no vertical interp...
static av_always_inline const uint8_t * get_submv_prob(uint32_t left, uint32_t top, int is_vp7)
static const uint8_t vp8_pred8x8c_prob_inter[3]
static av_always_inline int decode_block_coeffs(VP56RangeCoder *c, int16_t block[16], uint8_t probs[16][3][NUM_DCT_TOKENS-1], int i, int zero_nhood, int16_t qmul[2], const uint8_t scan[16], int vp7)
static const uint8_t vp8_mbsplits[5][16]
enum AVDiscard skip_frame
Skip decoding for selected frames.
static const int8_t vp8_pred16x16_tree_intra[4][2]
#define av_assert0(cond)
assert() equivalent, that is always enabled.
void(* emulated_edge_mc)(uint8_t *dst, const uint8_t *src, ptrdiff_t dst_linesize, ptrdiff_t src_linesize, int block_w, int block_h, int src_x, int src_y, int w, int h)
Copy a rectangular area of samples to a temporary buffer and replicate the border samples...
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
int update_golden
VP56_FRAME_NONE if not updated, or which frame to copy if so.
static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr, int is_vp7)
uint8_t intra4x4_pred_mode_top[4]
static av_always_inline void xchg_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int mb_x, int mb_y, int mb_width, int simple, int xchg)
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
static int vp7_update_dimensions(VP8Context *s, int width, int height)
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
int fade_present
Fade bit present in bitstream (VP7)
static av_always_inline void vp7_decode_mvs(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, int layout)
static VP8Frame * vp8_find_free_buffer(VP8Context *s)
static av_always_inline int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y, int *copy_buf, int vp7)
Multithreading support functions.
int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
static const uint8_t vp8_mv_update_prob[2][19]
void(* pred8x8[4+3+4])(uint8_t *src, ptrdiff_t stride)
int update_last
update VP56_FRAME_PREVIOUS with the current one
int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
static void copy(LZOContext *c, int cnt)
Copies bytes from input to output buffer with checking.
static void parse_segment_info(VP8Context *s)
int num_coeff_partitions
All coefficients are contained in separate arith coding contexts.
static const uint8_t vp8_token_default_probs[4][8][3][NUM_DCT_TOKENS-1]
static void fade(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int width, int height, int alpha, int beta)
vp8_mc_func put_pixels_tab[3][3][3]
void ff_thread_finish_setup(AVCodecContext *avctx)
If the codec defines update_thread_context(), call this when they are ready for the next thread to st...
void(* pred4x4[9+3+3])(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
struct VP8Context::@100 segmentation
Base parameters for segmentation, i.e.
uint8_t feature_index_prob[4][3]
uint8_t intra4x4_pred_mode_mb[16]
static av_always_inline int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt, int is_vp7)
uint8_t intra4x4_pred_mode_left[4]
#define VERT_VP8_PRED
for VP8, VERT_PRED is the average of
av_cold void ff_vp78dsp_init(VP8DSPContext *dsp)
uint8_t colorspace
0 is the only value allowed (meaning bt601)
static const VP56mv * get_bmv_ptr(const VP8Macroblock *mb, int subblock)
static const uint8_t vp8_mbsplit_count[4]
static double alpha(void *priv, double x, double y)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static const int8_t vp8_coeff_band_indexes[8][10]
static const uint8_t vp8_pred4x4_mode[]
static av_always_inline void prefetch_motion(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, int mb_xy, int ref)
void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
Wrapper around release_buffer() frame-for multithreaded codecs.
void(* vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16])
static const uint8_t vp8_dct_cat2_prob[]
static const uint8_t vp8_mv_default_prob[2][19]
static const int sizes[][2]
void(* vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
static av_always_inline int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y, int vp7)
static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
int active_thread_type
Which multithreading methods are in use by the codec.
VP8 compatible video decoder.
void(* vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
static const uint8_t vp8_mbfirstidx[4][16]
#define CONFIG_VP8_DECODER
#define EDGE_EMU_LINESIZE
uint16_t inter_dc_pred[2][2]
Interframe DC prediction (VP7) [0] VP56_FRAME_PREVIOUS [1] VP56_FRAME_GOLDEN.
const char * name
Name of the codec implementation.
VP8Macroblock * macroblocks_base
static av_always_inline void vp8_mc_part(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], ThreadFrame *ref_frame, int x_off, int y_off, int bx_off, int by_off, int block_w, int block_h, int width, int height, VP56mv *mv)
static const uint8_t vp8_pred4x4_prob_inter[9]
uint8_t edge_emu_buffer[21 *EDGE_EMU_LINESIZE]
static av_always_inline int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16], uint8_t probs[16][3][NUM_DCT_TOKENS-1], int i, uint8_t *token_prob, int16_t qmul[2], const uint8_t scan[16], int vp7)
static const int vp7_mode_contexts[31][4]
static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
static void vp7_get_quants(VP8Context *s)
Libavcodec external API header.
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
#define ONLY_IF_THREADS_ENABLED(x)
Define a function with only the non-default version specified.
int(* decode_mb_row_no_filter)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
static const uint8_t vp8_pred16x16_prob_inter[4]
useful rectangle filling function
int ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size)
av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
static av_always_inline void update(SilenceDetectContext *s, AVFrame *insamples, int is_silence, int64_t nb_samples_notify, AVRational time_base)
#define H_LOOP_FILTER_16Y_INNER(cond)
uint8_t feature_present_prob[4]
static av_always_inline void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1, uint8_t *dst2, ThreadFrame *ref, const VP56mv *mv, int x_off, int y_off, int block_w, int block_h, int width, int height, ptrdiff_t linesize, vp8_mc_func mc_func[3][3])
chroma MC function
struct VP8Context::@104 prob[2]
These are all of the updatable probabilities for binary decisions.
uint8_t fullrange
whether we can skip clamping in dsp functions
static av_unused int vp8_rac_get_sint(VP56RangeCoder *c, int bits)
int width
picture width / height.
int8_t ref[4]
filter strength adjustment for macroblocks that reference: [0] - intra / VP56_FRAME_CURRENT [1] - VP5...
static int vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
void(* filter_mb_row)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
void(* vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)
static av_cold int vp8_init_frames(VP8Context *s)
void ff_thread_report_progress(ThreadFrame *f, int n, int field)
Notify later decoding threads when part of their reference picture is ready.
static void free_buffers(VP8Context *s)
#define check_thread_pos(td, otd, mb_x_check, mb_y_check)
static av_always_inline int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
static int vp8_read_mv_component(VP56RangeCoder *c, const uint8_t *p)
void(* vp8_mc_func)(uint8_t *dst, ptrdiff_t dstStride, uint8_t *src, ptrdiff_t srcStride, int h, int x, int y)
int16_t luma_dc_qmul[2]
luma dc-only block quant
static const uint8_t vp8_pred4x4_prob_intra[10][10][9]
uint8_t(* top_border)[16+8+8]
static av_always_inline int decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr, int is_vp7)
static av_always_inline void filter_level_for_mb(VP8Context *s, VP8Macroblock *mb, VP8FilterStrength *f, int is_vp7)
static const int8_t vp7_feature_index_tree[4][2]
static const uint8_t vp7_feature_value_size[2][4]
#define vp56_rac_get_prob
static void vp8_decode_flush_impl(AVCodecContext *avctx, int free_mem)
static av_always_inline void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VP56RangeCoder *c, VP8Macroblock *mb, uint8_t t_nnz[9], uint8_t l_nnz[9], int is_vp7)
static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame, VP8Frame *prev_frame)
#define FF_ARRAY_ELEMS(a)
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
the normal 2^n-1 "JPEG" YUV ranges
struct VP8Context::@101 filter
static const float pred[4]
static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
#define AV_CODEC_CAP_SLICE_THREADS
Codec supports slice-based (or partition-based) multithreading.
static const int8_t mv[256][2]
static void vp7_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame, VP8Frame *prev_frame)
static av_always_inline int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y, int vp7)
static av_always_inline int vp56_rac_get_prob_branchy(VP56RangeCoder *c, int prob)
void(* vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
void(* vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim)
static av_always_inline void inter_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], VP8Macroblock *mb, int mb_x, int mb_y)
Apply motion vectors to prediction buffer, chapter 18.
void(* vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
static const uint8_t vp8_pred8x8c_prob_intra[3]
#define FF_THREAD_SLICE
Decode more than one part of a single frame at once.
static const uint8_t zigzag_scan[16+1]
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static void vp8_release_frame(VP8Context *s, VP8Frame *f)
int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
Wrapper around get_buffer() for frame-multithreaded codecs.
static const uint16_t vp7_yac_qlookup[]
main external API structure.
static int vp7_fade_frame(VP8Context *s, VP56RangeCoder *c)
uint8_t * data
The data buffer.
VP8Frame * next_framep[4]
int mb_layout
This describes the macroblock memory layout.
uint8_t left_nnz[9]
For coeff decode, we need to know whether the above block had non-zero coefficients.
static const uint8_t vp8_mbsplit_prob[3]
VP56RangeCoder c
header context, includes mb modes and motion vectors
void(* pred16x16[4+3+2])(uint8_t *src, ptrdiff_t stride)
VP56RangeCoder coeff_partition[8]
AVBufferRef * av_buffer_allocz(int size)
Same as av_buffer_alloc(), except the returned buffer will be initialized to zero.
static const int8_t vp8_pred16x16_tree_inter[4][2]
BYTE int const BYTE int int int height
#define FF_THREAD_FRAME
Decode more than one frame at once.
static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
static int vp8_update_dimensions(VP8Context *s, int width, int height)
VP8FilterStrength * filter_strength
enum AVColorSpace colorspace
YUV colorspace type.
static av_always_inline void clamp_mv(VP8Context *s, VP56mv *dst, const VP56mv *src)
void(* vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)
static av_always_inline int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y)
static void vp78_update_probability_tables(VP8Context *s)
static const int8_t vp8_pred4x4_tree[9][2]
uint8_t enabled
whether each mb can have a different strength based on mode/ref
struct VP8Context::@102 qmat[4]
Macroblocks can have one of 4 different quants in a frame when segmentation is enabled.
static av_always_inline void idct_mb(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], VP8Macroblock *mb)
static void vp78_update_pred16x16_pred8x8_mvc_probabilities(VP8Context *s, int mvc_size)
static av_always_inline int read_mv_component(VP56RangeCoder *c, const uint8_t *p, int vp7)
Motion vector coding, 17.1.
static const uint8_t subpel_idx[3][8]
static void update_refs(VP8Context *s)
static av_always_inline int vp8_rac_get_coeff(VP56RangeCoder *c, const uint8_t *prob)
static const uint8_t vp8_coeff_band[16]
int allocate_progress
Whether to allocate progress for frame threading.
static const uint16_t vp8_ac_qlookup[VP8_MAX_QUANT+1]
static const uint8_t vp8_pred16x16_prob_intra[4]
static av_always_inline void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, int mb_x, int keyframe, int layout)
static int vp8_rac_get_uint(VP56RangeCoder *c, int bits)
void(* vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16])
av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
uint8_t feature_enabled[4]
Macroblock features (VP7)
int8_t mode[VP8_MVMODE_SPLIT+1]
filter strength adjustment for the following macroblock modes: [0-3] - i16x16 (always zero) [4] - i4x...
2 8x16 blocks (horizontal)
av_cold int ff_vp8_decode_free(AVCodecContext *avctx)
static av_always_inline void backup_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple)
the normal 219*2^(n-8) "MPEG" YUV ranges
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
discard all non reference
static av_always_inline void vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe, VP8Frame *prev_frame, int is_vp7)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static av_always_inline void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, uint8_t *segment, uint8_t *ref, int layout, int is_vp7)
void(* vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim)
common internal api header.
static void vp8_get_quants(VP8Context *s)
#define LOCAL_ALIGNED(a, t, v,...)
static int ref_frame(Vp3DecodeContext *s, ThreadFrame *dst, ThreadFrame *src)
static int vp8_alloc_frame(VP8Context *s, VP8Frame *f, int ref)
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
static av_always_inline int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
enum AVDiscard skip_loop_filter
Skip loop filtering for selected frames.
static av_always_inline int vp8_rac_get(VP56RangeCoder *c)
static av_always_inline int decode_splitmvs(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, int layout, int is_vp7)
Split motion vector prediction, 16.4.
static const SiprModeParam modes[MODE_COUNT]
int(* update_thread_context)(AVCodecContext *dst, const AVCodecContext *src)
Copy necessary context variables from a previous thread context to the current one.
static av_always_inline int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y, int vp7)
void(* vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
static int vp7_calculate_mb_offset(int mb_x, int mb_y, int mb_width, int xoffset, int yoffset, int boundary, int *edge_x, int *edge_y)
The vp7 reference decoder uses a padding macroblock column (added to right edge of the frame) to guar...
int(* execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count)
The codec may call this to execute several independent things.
#define update_pos(td, mb_y, mb_x)
struct AVCodecInternal * internal
Private context used for internal data.
#define HOR_VP8_PRED
unaveraged version of HOR_PRED, see
static av_always_inline int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
static av_always_inline int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr, int is_vp7)
static const double coeff[2][5]
void(* vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
static av_unused int vp8_rac_get_nn(VP56RangeCoder *c)
void(* vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> dc
static av_always_inline void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst, ThreadFrame *ref, const VP56mv *mv, int x_off, int y_off, int block_w, int block_h, int width, int height, ptrdiff_t linesize, vp8_mc_func mc_func[3][3])
luma MC function
static const uint8_t vp8_token_update_probs[4][8][3][NUM_DCT_TOKENS-1]
static av_always_inline void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f, int mb_x, int mb_y, int is_vp7)
static int init_thread_copy(AVCodecContext *avctx)
int8_t filter_level[4]
base loop filter level
#define AV_LOG_FATAL
Something went wrong and recovery is not possible.
static const int vp8_mode_contexts[6][4]
static const uint8_t vp8_dct_cat1_prob[]
#define FFSWAP(type, a, b)
static av_always_inline void vp8_decode_mvs(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, int layout)
uint8_t non_zero_count_cache[6][4]
This is the index plus one of the last non-zero coeff for each of the blocks in the current macrobloc...
void ff_vp8dsp_init(VP8DSPContext *c)
static void vp78_reset_probability_tables(VP8Context *s)
This structure stores compressed data.
static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
#define AV_GET_BUFFER_FLAG_REF
The decoder will keep a reference to the frame and may reuse it later.
const uint8_t *const ff_vp8_dct_cat_prob[]
struct VP8Context::@103 lf_delta
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
VP8ThreadData * thread_data
static av_always_inline void filter_mb_simple(VP8Context *s, uint8_t *dst, VP8FilterStrength *f, int mb_x, int mb_y)
static const VP7MVPred vp7_mv_pred[VP7_MV_PRED_COUNT]
static const uint16_t vp7_y2ac_qlookup[]
static const uint8_t vp7_submv_prob[3]
static av_always_inline int vp78_decode_init(AVCodecContext *avctx, int is_vp7)