79 #if CONFIG_VP8_DECODER
122 for (i = 0; i < 5; i++)
209 for (i = 0; i < 4; i++)
212 for (i = 0; i < 4; i++)
216 for (i = 0; i < 3; i++)
225 for (i = 0; i < 4; i++) {
258 if (buf_size - size < 0)
301 for (i = 0; i < 4; i++) {
354 for (i = 0; i < 4; i++)
355 for (j = 0; j < 16; j++)
365 for (i = 0; i < 4; i++)
366 for (j = 0; j < 8; j++)
367 for (k = 0; k < 3; k++)
376 #define VP7_MVC_SIZE 17
377 #define VP8_MVC_SIZE 19
386 for (i = 0; i < 4; i++)
389 for (i = 0; i < 3; i++)
393 for (i = 0; i < 2; i++)
394 for (j = 0; j < mvc_size; j++)
414 for (j = 1; j < 3; j++) {
415 for (i = 0; i < height / 2; i++)
427 for (j = 0; j <
height; j++) {
428 for (i = 0; i <
width; i++) {
429 uint8_t y = src[j * linesize + i];
430 dst[j * linesize + i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
441 if (!s->
keyframe && (alpha || beta)) {
464 width, height, dst->
linesize[0], alpha, beta);
473 int part1_size, hscale, vscale, i, j, ret;
481 s->
profile = (buf[0] >> 1) & 7;
489 part1_size =
AV_RL24(buf) >> 4;
494 if (buf_size < part1_size) {
502 buf_size -= part1_size;
510 if (hscale || vscale)
519 for (i = 0; i < 2; i++)
531 for (i = 0; i < 4; i++) {
536 for (j = 0; j < 3; j++)
541 for (j = 0; j < 4; j++)
595 for (i = 1; i < 16; i++)
622 int header_size, hscale, vscale, ret;
629 header_size =
AV_RL24(buf) >> 5;
643 if (header_size > buf_size - 7 * s->
keyframe) {
649 if (
AV_RL24(buf) != 0x2a019d) {
651 "Invalid start code 0x%x\n",
AV_RL24(buf));
654 width =
AV_RL16(buf + 3) & 0x3fff;
655 height =
AV_RL16(buf + 5) & 0x3fff;
656 hscale = buf[4] >> 6;
657 vscale = buf[6] >> 6;
661 if (hscale || vscale)
678 buf_size -= header_size;
756 for (i = 0; i < 3; i++)
758 for (i = (vp7 ? 7 : 9); i > 3; i--)
803 const uint8_t *mbsplits_top, *mbsplits_cur, *firstidx;
813 top_mv = top_mb->
bmv;
829 for (n = 0; n < num; n++) {
831 uint32_t left, above;
835 left =
AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
837 left =
AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
839 above =
AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
841 above =
AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
878 int xoffset,
int yoffset,
int boundary,
879 int *edge_x,
int *edge_y)
881 int vwidth = mb_width + 1;
882 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
883 if (
new < boundary ||
new % vwidth == vwidth - 1)
885 *edge_y =
new / vwidth;
886 *edge_x =
new % vwidth;
897 int mb_x,
int mb_y,
int layout)
900 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR };
901 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
925 if (
AV_RN32A(&near_mv[CNT_NEAREST])) {
926 if (mv ==
AV_RN32A(&near_mv[CNT_NEAREST])) {
928 }
else if (
AV_RN32A(&near_mv[CNT_NEAR])) {
929 if (mv !=
AV_RN32A(&near_mv[CNT_NEAR]))
937 AV_WN32A(&near_mv[CNT_NEAREST], mv);
958 if (cnt[CNT_NEAREST] > cnt[CNT_NEAR])
959 AV_WN32A(&mb->
mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 :
AV_RN32A(&near_mv[CNT_NEAREST]));
972 mb->
mv = near_mv[CNT_NEAR];
976 mb->
mv = near_mv[CNT_NEAREST];
988 int mb_x,
int mb_y,
int layout)
993 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
994 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1003 mb_edge[0] = mb + 2;
1004 mb_edge[2] = mb + 1;
1015 #define MV_EDGE_CHECK(n) \
1017 VP8Macroblock *edge = mb_edge[n]; \
1018 int edge_ref = edge->ref_frame; \
1019 if (edge_ref != VP56_FRAME_CURRENT) { \
1020 uint32_t mv = AV_RN32A(&edge->mv); \
1022 if (cur_sign_bias != sign_bias[edge_ref]) { \
1025 mv = ((mv & 0x7fff7fff) + \
1026 0x00010001) ^ (mv & 0x80008000); \
1028 if (!n || mv != AV_RN32A(&near_mv[idx])) \
1029 AV_WN32A(&near_mv[++idx], mv); \
1030 cnt[idx] += 1 + (n != 2); \
1032 cnt[CNT_ZERO] += 1 + (n != 2); \
1045 if (cnt[CNT_SPLITMV] &&
1046 AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) ==
AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
1047 cnt[CNT_NEAREST] += 1;
1050 if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
1052 FFSWAP(
VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
1058 clamp_mv(s, &mb->
mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1069 mb->
bmv[0] = mb->
mv;
1073 mb->
bmv[0] = mb->
mv;
1077 mb->
bmv[0] = mb->
mv;
1082 mb->
bmv[0] = mb->
mv;
1088 int mb_x,
int keyframe,
int layout)
1104 for (y = 0; y < 4; y++) {
1105 for (x = 0; x < 4; x++) {
1109 left[y] = top[x] = *intra4x4;
1115 for (i = 0; i < 16; i++)
1126 const char *vp7_feature_name[] = {
"q-index",
1128 "partial-golden-update",
1133 for (i = 0; i < 4; i++) {
1139 "Feature %s present in macroblock (value 0x%x)\n",
1147 *segment = ref ? *ref : *segment;
1214 int i,
uint8_t *token_prob, int16_t qmul[2],
1215 const uint8_t scan[16],
int vp7)
1229 token_prob = probs[i][0];
1237 token_prob = probs[i + 1][1];
1257 int cat = (a << 1) + b;
1258 coeff = 3 + (8 << cat);
1262 token_prob = probs[i + 1][2];
1264 block[scan[i]] = (
vp8_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
1274 int16_t
dc = block[0];
1283 block[0] = pred[0] =
dc;
1288 block[0] = pred[0] =
dc;
1302 token_prob, qmul, scan,
IS_VP7);
1305 #ifndef vp8_decode_block_coeffs_internal
1332 int i,
int zero_nhood, int16_t qmul[2],
1333 const uint8_t scan[16],
int vp7)
1335 uint8_t *token_prob = probs[i][zero_nhood];
1339 token_prob, qmul, scan)
1349 int i, x, y, luma_start = 0, luma_ctx = 3;
1350 int nnz_pred, nnz, nnz_total = 0;
1355 nnz_pred = t_nnz[8] + l_nnz[8];
1361 l_nnz[8] = t_nnz[8] = !!nnz;
1381 for (y = 0; y < 4; y++)
1382 for (x = 0; x < 4; x++) {
1383 nnz_pred = l_nnz[y] + t_nnz[x];
1386 luma_start, nnz_pred,
1392 t_nnz[x] = l_nnz[y] = !!nnz;
1399 for (i = 4; i < 6; i++)
1400 for (y = 0; y < 2; y++)
1401 for (x = 0; x < 2; x++) {
1402 nnz_pred = l_nnz[i + 2 * y] + t_nnz[i + 2 * x];
1408 t_nnz[i + 2 * x] = l_nnz[i + 2 * y] = !!nnz;
1422 int linesize,
int uvlinesize,
int simple)
1424 AV_COPY128(top_border, src_y + 15 * linesize);
1426 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1427 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1433 uint8_t *src_cr,
int linesize,
int uvlinesize,
int mb_x,
1434 int mb_y,
int mb_width,
int simple,
int xchg)
1436 uint8_t *top_border_m1 = top_border - 32;
1438 src_cb -= uvlinesize;
1439 src_cr -= uvlinesize;
1441 #define XCHG(a, b, xchg) \
1449 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1450 XCHG(top_border, src_y, xchg);
1451 XCHG(top_border + 8, src_y + 8, 1);
1452 if (mb_x < mb_width - 1)
1453 XCHG(top_border + 32, src_y + 16, 1);
1457 if (!simple || !mb_y) {
1458 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1459 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1460 XCHG(top_border + 16, src_cb, 1);
1461 XCHG(top_border + 24, src_cr, 1);
1511 int *copy_buf,
int vp7)
1515 if (!mb_x && mb_y) {
1549 int x, y, mode, nnz;
1565 const uint8_t lo = is_vp7 ? 128 : 127;
1566 const uint8_t hi = is_vp7 ? 128 : 129;
1567 uint8_t tr_top[4] = { lo, lo, lo, lo };
1575 if (mb_y && mb_x == s->
mb_width - 1) {
1576 tr = tr_right[-1] * 0x01010101u;
1583 for (y = 0; y < 4; y++) {
1585 for (x = 0; x < 4; x++) {
1590 if ((y == 0 || x == 3) && mb_y == 0) {
1593 topright = tr_right;
1596 mb_y + y, ©, is_vp7);
1598 dst = copy_dst + 12;
1602 AV_WN32A(copy_dst + 4, lo * 0x01010101U);
1608 copy_dst[3] = ptr[4 * x - s->
linesize - 1];
1617 copy_dst[11] = ptr[4 * x - 1];
1618 copy_dst[19] = ptr[4 * x + s->
linesize - 1];
1619 copy_dst[27] = ptr[4 * x + s->
linesize * 2 - 1];
1620 copy_dst[35] = ptr[4 * x + s->
linesize * 3 - 1];
1623 s->
hpc.
pred4x4[mode](dst, topright, linesize);
1649 mb_x, mb_y, is_vp7);
1660 { 0, 1, 2, 1, 2, 1, 2, 1 },
1662 { 0, 3, 5, 3, 5, 3, 5, 3 },
1663 { 0, 2, 3, 2, 3, 2, 3, 2 },
1685 int x_off,
int y_off,
int block_w,
int block_h,
1692 int src_linesize = linesize;
1694 int mx = (mv->
x << 1) & 7, mx_idx = subpel_idx[0][mx];
1695 int my = (mv->
y << 1) & 7, my_idx = subpel_idx[0][my];
1697 x_off += mv->
x >> 2;
1698 y_off += mv->
y >> 2;
1702 src += y_off * linesize + x_off;
1703 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1704 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1706 src - my_idx * linesize - mx_idx,
1708 block_w + subpel_idx[1][mx],
1709 block_h + subpel_idx[1][my],
1710 x_off - mx_idx, y_off - my_idx,
1715 mc_func[my_idx][mx_idx](dst, linesize, src, src_linesize, block_h, mx, my);
1718 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1719 linesize, block_h, 0, 0);
1743 int x_off,
int y_off,
int block_w,
int block_h,
1750 int mx = mv->
x & 7, mx_idx = subpel_idx[0][mx];
1751 int my = mv->
y & 7, my_idx = subpel_idx[0][my];
1753 x_off += mv->
x >> 3;
1754 y_off += mv->
y >> 3;
1757 src1 += y_off * linesize + x_off;
1758 src2 += y_off * linesize + x_off;
1760 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1761 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1763 src1 - my_idx * linesize - mx_idx,
1765 block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
1766 x_off - mx_idx, y_off - my_idx, width, height);
1768 mc_func[my_idx][mx_idx](dst1, linesize, src1,
EDGE_EMU_LINESIZE, block_h, mx, my);
1771 src2 - my_idx * linesize - mx_idx,
1772 EDGE_EMU_LINESIZE, linesize,
1773 block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
1774 x_off - mx_idx, y_off - my_idx, width, height);
1776 mc_func[my_idx][mx_idx](dst2, linesize, src2,
EDGE_EMU_LINESIZE, block_h, mx, my);
1778 mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
1779 mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
1783 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1784 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1791 int bx_off,
int by_off,
int block_w,
int block_h,
1798 ref_frame, mv, x_off + bx_off, y_off + by_off,
1799 block_w, block_h, width, height, s->
linesize,
1818 dst[2] + by_off * s->
uvlinesize + bx_off, ref_frame,
1819 &uvmv, x_off + bx_off, y_off + by_off,
1820 block_w, block_h, width, height, s->
uvlinesize,
1831 if (s->
ref_count[ref - 1] > (mb_xy >> 5)) {
1832 int x_off = mb_x << 4, y_off = mb_y << 4;
1833 int mx = (mb->
mv.
x >> 2) + x_off + 8;
1834 int my = (mb->
mv.
y >> 2) + y_off;
1836 int off = mx + (my + (mb_x & 3) * 4) * s->
linesize + 64;
1841 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->
uvlinesize + 64;
1853 int x_off = mb_x << 4, y_off = mb_y << 4;
1861 0, 0, 16, 16, width,
height, &mb->
mv);
1868 for (y = 0; y < 4; y++) {
1869 for (x = 0; x < 4; x++) {
1871 ref, &bmv[4 * y + x],
1872 4 * x + x_off, 4 * y + y_off, 4, 4,
1883 for (y = 0; y < 2; y++) {
1884 for (x = 0; x < 2; x++) {
1885 uvmv.
x = mb->
bmv[2 * y * 4 + 2 * x ].
x +
1886 mb->
bmv[2 * y * 4 + 2 * x + 1].
x +
1887 mb->
bmv[(2 * y + 1) * 4 + 2 * x ].x +
1888 mb->
bmv[(2 * y + 1) * 4 + 2 * x + 1].
x;
1889 uvmv.
y = mb->
bmv[2 * y * 4 + 2 * x ].
y +
1890 mb->
bmv[2 * y * 4 + 2 * x + 1].
y +
1891 mb->
bmv[(2 * y + 1) * 4 + 2 * x ].y +
1892 mb->
bmv[(2 * y + 1) * 4 + 2 * x + 1].
y;
1901 &uvmv, 4 * x + x_off, 4 * y + y_off, 4, 4,
1910 0, 0, 16, 8, width,
height, &bmv[0]);
1912 0, 8, 16, 8, width,
height, &bmv[1]);
1916 0, 0, 8, 16, width,
height, &bmv[0]);
1918 8, 0, 8, 16, width,
height, &bmv[1]);
1922 0, 0, 8, 8, width,
height, &bmv[0]);
1924 8, 0, 8, 8, width,
height, &bmv[1]);
1926 0, 8, 8, 8, width,
height, &bmv[2]);
1928 8, 8, 8, 8, width,
height, &bmv[3]);
1940 for (y = 0; y < 4; y++) {
1943 if (nnz4 & ~0x01010101) {
1944 for (x = 0; x < 4; x++) {
1965 for (ch = 0; ch < 2; ch++) {
1968 uint8_t *ch_dst = dst[1 + ch];
1969 if (nnz4 & ~0x01010101) {
1970 for (y = 0; y < 2; y++) {
1971 for (x = 0; x < 2; x++) {
1974 td->
block[4 + ch][(y << 1) + x],
1978 td->
block[4 + ch][(y << 1) + x],
1982 goto chroma_idct_end;
1999 int interior_limit, filter_level;
2013 filter_level = av_clip_uintp2(filter_level, 6);
2015 interior_limit = filter_level;
2020 interior_limit =
FFMAX(interior_limit, 1);
2030 int mb_x,
int mb_y,
int is_vp7)
2032 int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh;
2038 static const uint8_t hev_thresh_lut[2][64] = {
2039 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2040 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2041 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2043 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2044 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2045 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2053 bedge_lim_y = filter_level;
2054 bedge_lim_uv = filter_level * 2;
2055 mbedge_lim = filter_level + 2;
2058 bedge_lim_uv = filter_level * 2 + inner_limit;
2059 mbedge_lim = bedge_lim_y + 4;
2062 hev_thresh = hev_thresh_lut[s->
keyframe][filter_level];
2066 mbedge_lim, inner_limit, hev_thresh);
2068 mbedge_lim, inner_limit, hev_thresh);
2071 #define H_LOOP_FILTER_16Y_INNER(cond) \
2072 if (cond && inner_filter) { \
2073 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \
2074 bedge_lim_y, inner_limit, \
2076 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \
2077 bedge_lim_y, inner_limit, \
2079 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \
2080 bedge_lim_y, inner_limit, \
2082 s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \
2083 uvlinesize, bedge_lim_uv, \
2084 inner_limit, hev_thresh); \
2091 mbedge_lim, inner_limit, hev_thresh);
2093 mbedge_lim, inner_limit, hev_thresh);
2098 linesize, bedge_lim_y,
2099 inner_limit, hev_thresh);
2101 linesize, bedge_lim_y,
2102 inner_limit, hev_thresh);
2104 linesize, bedge_lim_y,
2105 inner_limit, hev_thresh);
2107 dst[2] + 4 * uvlinesize,
2108 uvlinesize, bedge_lim_uv,
2109 inner_limit, hev_thresh);
2119 int mbedge_lim, bedge_lim;
2128 bedge_lim = 2 * filter_level + inner_limit;
2129 mbedge_lim = bedge_lim + 4;
2148 #define MARGIN (16 << 2)
2158 for (mb_y = 0; mb_y < s->
mb_height; mb_y++) {
2160 ((s->
mb_width + 1) * (mb_y + 1) + 1);
2167 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb_xy++, mb++) {
2172 prev_frame && prev_frame->
seg_map ?
2195 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \
2197 int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF); \
2198 if (otd->thread_mb_pos < tmp) { \
2199 pthread_mutex_lock(&otd->lock); \
2200 td->wait_mb_pos = tmp; \
2202 if (otd->thread_mb_pos >= tmp) \
2204 pthread_cond_wait(&otd->cond, &otd->lock); \
2206 td->wait_mb_pos = INT_MAX; \
2207 pthread_mutex_unlock(&otd->lock); \
2211 #define update_pos(td, mb_y, mb_x) \
2213 int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
2214 int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
2216 int is_null = !next_td || !prev_td; \
2217 int pos_check = (is_null) ? 1 \
2218 : (next_td != td && \
2219 pos >= next_td->wait_mb_pos) || \
2221 pos >= prev_td->wait_mb_pos); \
2222 td->thread_mb_pos = pos; \
2223 if (sliced_threading && pos_check) { \
2224 pthread_mutex_lock(&td->lock); \
2225 pthread_cond_broadcast(&td->cond); \
2226 pthread_mutex_unlock(&td->lock); \
2230 #define check_thread_pos(td, otd, mb_x_check, mb_y_check)
2231 #define update_pos(td, mb_y, mb_x)
2235 int jobnr,
int threadnr,
int is_vp7)
2240 int mb_x, mb_xy = mb_y * s->
mb_width;
2253 prev_td = &s->
thread_data[(jobnr + num_jobs - 1) % num_jobs];
2257 next_td = &s->
thread_data[(jobnr + 1) % num_jobs];
2267 memset(mb - 1, 0,
sizeof(*mb));
2271 if (!is_vp7 || mb_y == 0)
2277 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb_xy++, mb++) {
2279 if (prev_td != td) {
2280 if (threadnr != 0) {
2282 mb_x + (is_vp7 ? 2 : 1),
2283 mb_y - (is_vp7 ? 2 : 1));
2286 mb_x + (is_vp7 ? 2 : 1) + s->
mb_width + 3,
2287 mb_y - (is_vp7 ? 2 : 1));
2294 dst[2] - dst[1], 2);
2298 prev_frame && prev_frame->seg_map ?
2299 prev_frame->seg_map->data + mb_xy :
NULL, 0, is_vp7);
2330 if (s->
deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
2356 int jobnr,
int threadnr,
int is_vp7)
2378 prev_td = &s->
thread_data[(jobnr + num_jobs - 1) % num_jobs];
2382 next_td = &s->
thread_data[(jobnr + 1) % num_jobs];
2384 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb++) {
2388 (mb_x + 1) + (s->
mb_width + 3), mb_y - 1);
2393 if (num_jobs == 1) {
2405 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2416 int threadnr,
int is_vp7)
2425 for (mb_y = jobnr; mb_y < s->
mb_height; mb_y += num_jobs) {
2445 int jobnr,
int threadnr)
2451 int jobnr,
int threadnr)
2462 int ret, i, referenced, num_jobs;
2491 for (i = 0; i < 5; i++)
2493 &s->
frames[i] != prev_frame &&
2509 "Discarding interframe without a prior keyframe!\n");
2514 curframe->tf.f->key_frame = s->
keyframe;
2542 s->
linesize = curframe->tf.f->linesize[0];
2615 #if CONFIG_VP7_DECODER
2678 #if CONFIG_VP7_DECODER
2690 #if CONFIG_VP8_DECODER
2706 #define REBASE(pic) pic ? pic - &s_src->frames[0] + &s->frames[0] : NULL
2721 s->
prob[0] = s_src->
prob[!s_src->update_probabilities];
2727 if (s_src->frames[i].tf.f->data[0]) {
2728 int ret = vp8_ref_frame(s, &s->
frames[i], &s_src->frames[i]);
2734 s->
framep[0] = REBASE(s_src->next_framep[0]);
2735 s->
framep[1] = REBASE(s_src->next_framep[1]);
2736 s->
framep[2] = REBASE(s_src->next_framep[2]);
2737 s->
framep[3] = REBASE(s_src->next_framep[3]);
2743 #if CONFIG_VP7_DECODER
2750 .
init = vp7_decode_init,
2752 .
decode = vp7_decode_frame,
2758 #if CONFIG_VP8_DECODER
static void get_quants(VP8Context *s)
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[]
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]
(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.
struct VP8Context::@66 segmentation
Base parameters for segmentation, i.e.
static const uint8_t vp7_pred4x4_mode[]
int8_t sign_bias[4]
one state [0, 1] per ref frame type
static av_unused void pthread_cond_init(pthread_cond_t *cond, const void *unused_attr)
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.
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)
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]
#define DECLARE_ALIGNED(n, t, v)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
#define FF_ARRAY_ELEMS(a)
static const int8_t vp8_pred8x8c_tree[3][2]
static const uint16_t vp7_y2dc_qlookup[]
struct VP8Context::@70 prob[2]
These are all of the updatable probabilities for binary decisions.
static void copy_luma(AVFrame *dst, AVFrame *src, int width, int height)
void ff_thread_await_progress(ThreadFrame *f, int n, int field)
Wait for earlier decoding threads to finish reference pictures.
int update_probabilities
If this flag is not set, all the probability updates are discarded after this frame is decoded...
static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr, int is_vp7)
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 const uint8_t zigzag_scan[16]
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)
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
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
static const int8_t vp8_pred16x16_tree_intra[4][2]
static int read_mv_component(VP56RangeCoder *c, const uint8_t *p, int vp7)
Motion vector coding, 17.1.
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
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.
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)
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]
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
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]
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)
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)
static const VP56mv * get_bmv_ptr(const VP8Macroblock *mb, int subblock)
static const uint8_t vp8_mbsplit_count[4]
#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 pthread_mutex_init(pthread_mutex_t *m, void *attr)
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 EDGE_EMU_LINESIZE
void av_log(void *avcl, int level, const char *fmt,...)
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]
struct VP8Context::@69 lf_delta
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 vp7_get_quants(VP8Context *s)
#define ONLY_IF_THREADS_ENABLED(x)
Define a function with only the non-default version specified.
static const uint8_t vp8_pred16x16_prob_inter[4]
useful rectangle filling function
av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
static int pthread_mutex_destroy(pthread_mutex_t *m)
static av_unused void pthread_cond_destroy(pthread_cond_t *cond)
#define FF_THREAD_FRAME
Decode more than one frame at once.
#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
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...
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_unused int vp8_rac_get_uint(VP56RangeCoder *c, int bits)
#define FF_THREAD_SLICE
Decode more than one part of a single frame at once.
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 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)
av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
Set the intra prediction function pointers.
static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame, VP8Frame *prev_frame)
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
if(ac->has_optimized_func)
static const float pred[4]
static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
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)
Libavcodec external API header.
static const uint8_t vp8_pred8x8c_prob_intra[3]
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 void close(AVCodecParserContext *s)
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]
static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
static int vp8_update_dimensions(VP8Context *s, int width, int height)
struct VP8Context::@67 filter
VP8FilterStrength * filter_strength
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
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 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 const int8_t vp8_segmentid_tree[][2]
static av_always_inline void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, int mb_x, int keyframe, int layout)
void ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size)
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)
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_dlog(ac->avr,"%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 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)
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)
#define CODEC_CAP_SLICE_THREADS
Codec supports slice-based (or partition-based) multithreading.
common internal api header.
#define CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
static int ref_frame(Vp3DecodeContext *s, ThreadFrame *dst, ThreadFrame *src)
static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr, int is_vp7)
static av_cold void flush(AVCodecContext *avctx)
Flush (reset) the frame ID after seeking.
static int vp8_alloc_frame(VP8Context *s, VP8Frame *f, int ref)
struct VP8Context::@68 qmat[4]
Macroblocks can have one of 4 different quants in a frame when segmentation is enabled.
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
enum AVDiscard skip_loop_filter
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 av_cold int init(AVCodecParserContext *s)
static const SiprModeParam modes[MODE_COUNT]
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)
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)
static void fade(uint8_t *dst, uint8_t *src, int width, int height, int linesize, int alpha, int beta)
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)
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.
void(* emulated_edge_mc)(uint8_t *buf, const uint8_t *src, ptrdiff_t buf_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...
const uint8_t *const ff_vp8_dct_cat_prob[]
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
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)