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++) {
273 if (buf_size - size < 0)
316 for (i = 0; i < 4; i++) {
369 for (i = 0; i < 4; i++)
370 for (j = 0; j < 16; j++)
380 for (i = 0; i < 4; i++)
381 for (j = 0; j < 8; j++)
382 for (k = 0; k < 3; k++)
391 #define VP7_MVC_SIZE 17
392 #define VP8_MVC_SIZE 19
401 for (i = 0; i < 4; i++)
404 for (i = 0; i < 3; i++)
408 for (i = 0; i < 2; i++)
409 for (j = 0; j < mvc_size; j++)
429 for (j = 1; j < 3; j++) {
430 for (i = 0; i < height / 2; i++)
437 const uint8_t *src,
int src_linesize,
442 for (j = 0; j <
height; j++) {
443 for (i = 0; i <
width; i++) {
444 uint8_t y = src[j * src_linesize + i];
445 dst[j * dst_linesize + i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
456 if (!s->
keyframe && (alpha || beta)) {
483 width, height, alpha, beta);
492 int part1_size, hscale, vscale, i, j,
ret;
496 s->
profile = (buf[0] >> 1) & 7;
504 part1_size =
AV_RL24(buf) >> 4;
506 if (buf_size < 4 - s->
profile + part1_size) {
518 buf_size -= part1_size;
526 if (hscale || vscale)
535 for (i = 0; i < 2; i++)
547 for (i = 0; i < 4; i++) {
552 for (j = 0; j < 3; j++)
557 for (j = 0; j < 4; j++)
611 for (i = 1; i < 16; i++)
638 int header_size, hscale, vscale,
ret;
645 header_size =
AV_RL24(buf) >> 5;
659 if (header_size > buf_size - 7 * s->
keyframe) {
665 if (
AV_RL24(buf) != 0x2a019d) {
667 "Invalid start code 0x%x\n",
AV_RL24(buf));
670 width =
AV_RL16(buf + 3) & 0x3fff;
671 height =
AV_RL16(buf + 5) & 0x3fff;
672 hscale = buf[4] >> 6;
673 vscale = buf[6] >> 6;
677 if (hscale || vscale)
694 buf_size -= header_size;
774 for (i = 0; i < 3; i++)
776 for (i = (vp7 ? 7 : 9); i > 3; i--)
831 const uint8_t *mbsplits_top, *mbsplits_cur, *firstidx;
841 top_mv = top_mb->
bmv;
857 for (n = 0; n < num; n++) {
859 uint32_t left, above;
863 left =
AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
865 left =
AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
867 above =
AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
869 above =
AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
906 int xoffset,
int yoffset,
int boundary,
907 int *edge_x,
int *edge_y)
909 int vwidth = mb_width + 1;
910 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
911 if (
new < boundary ||
new % vwidth == vwidth - 1)
913 *edge_y =
new / vwidth;
914 *edge_x =
new % vwidth;
925 int mb_x,
int mb_y,
int layout)
928 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR };
929 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
953 if (
AV_RN32A(&near_mv[CNT_NEAREST])) {
954 if (mv ==
AV_RN32A(&near_mv[CNT_NEAREST])) {
956 }
else if (
AV_RN32A(&near_mv[CNT_NEAR])) {
957 if (mv !=
AV_RN32A(&near_mv[CNT_NEAR]))
965 AV_WN32A(&near_mv[CNT_NEAREST], mv);
986 if (cnt[CNT_NEAREST] > cnt[CNT_NEAR])
987 AV_WN32A(&mb->
mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 :
AV_RN32A(&near_mv[CNT_NEAREST]));
1000 mb->
mv = near_mv[CNT_NEAR];
1001 mb->
bmv[0] = mb->
mv;
1004 mb->
mv = near_mv[CNT_NEAREST];
1005 mb->
bmv[0] = mb->
mv;
1010 mb->
bmv[0] = mb->
mv;
1016 int mb_x,
int mb_y,
int layout)
1021 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
1022 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1031 mb_edge[0] = mb + 2;
1032 mb_edge[2] = mb + 1;
1043 #define MV_EDGE_CHECK(n) \
1045 VP8Macroblock *edge = mb_edge[n]; \
1046 int edge_ref = edge->ref_frame; \
1047 if (edge_ref != VP56_FRAME_CURRENT) { \
1048 uint32_t mv = AV_RN32A(&edge->mv); \
1050 if (cur_sign_bias != sign_bias[edge_ref]) { \
1053 mv = ((mv & 0x7fff7fff) + \
1054 0x00010001) ^ (mv & 0x80008000); \
1056 if (!n || mv != AV_RN32A(&near_mv[idx])) \
1057 AV_WN32A(&near_mv[++idx], mv); \
1058 cnt[idx] += 1 + (n != 2); \
1060 cnt[CNT_ZERO] += 1 + (n != 2); \
1073 if (cnt[CNT_SPLITMV] &&
1074 AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) ==
AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
1075 cnt[CNT_NEAREST] += 1;
1078 if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
1080 FFSWAP(
VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
1086 clamp_mv(s, &mb->
mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1097 mb->
bmv[0] = mb->
mv;
1101 mb->
bmv[0] = mb->
mv;
1105 mb->
bmv[0] = mb->
mv;
1110 mb->
bmv[0] = mb->
mv;
1116 int mb_x,
int keyframe,
int layout)
1132 for (y = 0; y < 4; y++) {
1133 for (x = 0; x < 4; x++) {
1137 left[
y] = top[x] = *intra4x4;
1143 for (i = 0; i < 16; i++)
1154 const char *vp7_feature_name[] = {
"q-index",
1156 "partial-golden-update",
1161 for (i = 0; i < 4; i++) {
1167 "Feature %s present in macroblock (value 0x%x)\n",
1176 *segment = ref ? *ref : *segment;
1243 int i,
uint8_t *token_prob, int16_t qmul[2],
1244 const uint8_t scan[16],
int vp7)
1258 token_prob = probs[i][0];
1266 token_prob = probs[i + 1][1];
1286 int cat = (a << 1) + b;
1287 coeff = 3 + (8 << cat);
1291 token_prob = probs[i + 1][2];
1303 int16_t
dc = block[0];
1312 block[0] = pred[0] =
dc;
1317 block[0] = pred[0] =
dc;
1331 token_prob, qmul, scan,
IS_VP7);
1334 #ifndef vp8_decode_block_coeffs_internal
1362 int i,
int zero_nhood, int16_t qmul[2],
1363 const uint8_t scan[16],
int vp7)
1365 uint8_t *token_prob = probs[i][zero_nhood];
1369 token_prob, qmul, scan)
1379 int i, x,
y, luma_start = 0, luma_ctx = 3;
1380 int nnz_pred, nnz, nnz_total = 0;
1385 nnz_pred = t_nnz[8] + l_nnz[8];
1391 l_nnz[8] = t_nnz[8] = !!nnz;
1411 for (y = 0; y < 4; y++)
1412 for (x = 0; x < 4; x++) {
1413 nnz_pred = l_nnz[
y] + t_nnz[x];
1416 luma_start, nnz_pred,
1422 t_nnz[x] = l_nnz[
y] = !!nnz;
1429 for (i = 4; i < 6; i++)
1430 for (y = 0; y < 2; y++)
1431 for (x = 0; x < 2; x++) {
1432 nnz_pred = l_nnz[i + 2 *
y] + t_nnz[i + 2 * x];
1438 t_nnz[i + 2 * x] = l_nnz[i + 2 *
y] = !!nnz;
1452 int linesize,
int uvlinesize,
int simple)
1454 AV_COPY128(top_border, src_y + 15 * linesize);
1456 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1457 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1463 uint8_t *src_cr,
int linesize,
int uvlinesize,
int mb_x,
1464 int mb_y,
int mb_width,
int simple,
int xchg)
1466 uint8_t *top_border_m1 = top_border - 32;
1468 src_cb -= uvlinesize;
1469 src_cr -= uvlinesize;
1471 #define XCHG(a, b, xchg) \
1479 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1480 XCHG(top_border, src_y, xchg);
1481 XCHG(top_border + 8, src_y + 8, 1);
1482 if (mb_x < mb_width - 1)
1483 XCHG(top_border + 32, src_y + 16, 1);
1487 if (!simple || !mb_y) {
1488 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1489 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1490 XCHG(top_border + 16, src_cb, 1);
1491 XCHG(top_border + 24, src_cr, 1);
1541 int *copy_buf,
int vp7)
1545 if (!mb_x && mb_y) {
1579 int x,
y,
mode, nnz;
1595 const uint8_t lo = is_vp7 ? 128 : 127;
1596 const uint8_t hi = is_vp7 ? 128 : 129;
1597 uint8_t tr_top[4] = { lo, lo, lo, lo };
1605 if (mb_y && mb_x == s->
mb_width - 1) {
1606 tr = tr_right[-1] * 0x01010101
u;
1613 for (y = 0; y < 4; y++) {
1615 for (x = 0; x < 4; x++) {
1620 if ((y == 0 || x == 3) && mb_y == 0) {
1623 topright = tr_right;
1626 mb_y + y, ©, is_vp7);
1628 dst = copy_dst + 12;
1632 AV_WN32A(copy_dst + 4, lo * 0x01010101U);
1638 copy_dst[3] = ptr[4 * x - s->
linesize - 1];
1647 copy_dst[11] = ptr[4 * x - 1];
1648 copy_dst[19] = ptr[4 * x + s->
linesize - 1];
1649 copy_dst[27] = ptr[4 * x + s->
linesize * 2 - 1];
1650 copy_dst[35] = ptr[4 * x + s->
linesize * 3 - 1];
1679 mb_x, mb_y, is_vp7);
1690 { 0, 1, 2, 1, 2, 1, 2, 1 },
1692 { 0, 3, 5, 3, 5, 3, 5, 3 },
1693 { 0, 2, 3, 2, 3, 2, 3, 2 },
1715 int x_off,
int y_off,
int block_w,
int block_h,
1722 int src_linesize = linesize;
1724 int mx = (mv->
x << 1) & 7, mx_idx = subpel_idx[0][mx];
1725 int my = (mv->
y << 1) & 7, my_idx = subpel_idx[0][my];
1727 x_off += mv->
x >> 2;
1728 y_off += mv->
y >> 2;
1732 src += y_off * linesize + x_off;
1733 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1734 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1736 src - my_idx * linesize - mx_idx,
1738 block_w + subpel_idx[1][mx],
1739 block_h + subpel_idx[1][my],
1740 x_off - mx_idx, y_off - my_idx,
1745 mc_func[my_idx][mx_idx](dst, linesize,
src, src_linesize, block_h, mx, my);
1748 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1749 linesize, block_h, 0, 0);
1773 int x_off,
int y_off,
int block_w,
int block_h,
1780 int mx = mv->
x & 7, mx_idx = subpel_idx[0][mx];
1781 int my = mv->
y & 7, my_idx = subpel_idx[0][my];
1783 x_off += mv->
x >> 3;
1784 y_off += mv->
y >> 3;
1787 src1 += y_off * linesize + x_off;
1788 src2 += y_off * linesize + x_off;
1790 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1791 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1793 src1 - my_idx * linesize - mx_idx,
1795 block_w + subpel_idx[1][mx],
1796 block_h + subpel_idx[1][my],
1797 x_off - mx_idx, y_off - my_idx, width, height);
1799 mc_func[my_idx][mx_idx](dst1, linesize, src1,
EDGE_EMU_LINESIZE, block_h, mx, my);
1802 src2 - my_idx * linesize - mx_idx,
1803 EDGE_EMU_LINESIZE, linesize,
1804 block_w + subpel_idx[1][mx],
1805 block_h + subpel_idx[1][my],
1806 x_off - mx_idx, y_off - my_idx, width, height);
1808 mc_func[my_idx][mx_idx](dst2, linesize, src2,
EDGE_EMU_LINESIZE, block_h, mx, my);
1810 mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
1811 mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
1815 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1816 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1823 int bx_off,
int by_off,
int block_w,
int block_h,
1830 ref_frame, mv, x_off + bx_off, y_off + by_off,
1831 block_w, block_h, width, height, s->
linesize,
1850 dst[2] + by_off * s->
uvlinesize + bx_off, ref_frame,
1851 &uvmv, x_off + bx_off, y_off + by_off,
1852 block_w, block_h, width, height, s->
uvlinesize,
1863 if (s->
ref_count[ref - 1] > (mb_xy >> 5)) {
1864 int x_off = mb_x << 4, y_off = mb_y << 4;
1865 int mx = (mb->
mv.
x >> 2) + x_off + 8;
1866 int my = (mb->
mv.
y >> 2) + y_off;
1868 int off = mx + (my + (mb_x & 3) * 4) * s->
linesize + 64;
1873 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->
uvlinesize + 64;
1885 int x_off = mb_x << 4, y_off = mb_y << 4;
1893 0, 0, 16, 16, width,
height, &mb->
mv);
1900 for (y = 0; y < 4; y++) {
1901 for (x = 0; x < 4; x++) {
1903 ref, &bmv[4 * y + x],
1904 4 * x + x_off, 4 * y + y_off, 4, 4,
1915 for (y = 0; y < 2; y++) {
1916 for (x = 0; x < 2; x++) {
1917 uvmv.
x = mb->
bmv[2 * y * 4 + 2 * x ].
x +
1918 mb->
bmv[2 * y * 4 + 2 * x + 1].
x +
1919 mb->
bmv[(2 * y + 1) * 4 + 2 * x ].x +
1920 mb->
bmv[(2 * y + 1) * 4 + 2 * x + 1].
x;
1921 uvmv.
y = mb->
bmv[2 * y * 4 + 2 * x ].
y +
1922 mb->
bmv[2 * y * 4 + 2 * x + 1].
y +
1923 mb->
bmv[(2 * y + 1) * 4 + 2 * x ].y +
1924 mb->
bmv[(2 * y + 1) * 4 + 2 * x + 1].
y;
1933 &uvmv, 4 * x + x_off, 4 * y + y_off, 4, 4,
1942 0, 0, 16, 8, width,
height, &bmv[0]);
1944 0, 8, 16, 8, width,
height, &bmv[1]);
1948 0, 0, 8, 16, width,
height, &bmv[0]);
1950 8, 0, 8, 16, width,
height, &bmv[1]);
1954 0, 0, 8, 8, width,
height, &bmv[0]);
1956 8, 0, 8, 8, width,
height, &bmv[1]);
1958 0, 8, 8, 8, width,
height, &bmv[2]);
1960 8, 8, 8, 8, width,
height, &bmv[3]);
1972 for (y = 0; y < 4; y++) {
1975 if (nnz4 & ~0x01010101) {
1976 for (x = 0; x < 4; x++) {
1997 for (ch = 0; ch < 2; ch++) {
2000 uint8_t *ch_dst = dst[1 + ch];
2001 if (nnz4 & ~0x01010101) {
2002 for (y = 0; y < 2; y++) {
2003 for (x = 0; x < 2; x++) {
2006 td->
block[4 + ch][(y << 1) + x],
2010 td->
block[4 + ch][(y << 1) + x],
2014 goto chroma_idct_end;
2031 int interior_limit, filter_level;
2045 filter_level = av_clip_uintp2(filter_level, 6);
2047 interior_limit = filter_level;
2052 interior_limit =
FFMAX(interior_limit, 1);
2062 int mb_x,
int mb_y,
int is_vp7)
2064 int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh;
2070 static const uint8_t hev_thresh_lut[2][64] = {
2071 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2072 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2073 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2075 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2076 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2077 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2085 bedge_lim_y = filter_level;
2086 bedge_lim_uv = filter_level * 2;
2087 mbedge_lim = filter_level + 2;
2090 bedge_lim_uv = filter_level * 2 + inner_limit;
2091 mbedge_lim = bedge_lim_y + 4;
2094 hev_thresh = hev_thresh_lut[s->
keyframe][filter_level];
2098 mbedge_lim, inner_limit, hev_thresh);
2100 mbedge_lim, inner_limit, hev_thresh);
2103 #define H_LOOP_FILTER_16Y_INNER(cond) \
2104 if (cond && inner_filter) { \
2105 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \
2106 bedge_lim_y, inner_limit, \
2108 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \
2109 bedge_lim_y, inner_limit, \
2111 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \
2112 bedge_lim_y, inner_limit, \
2114 s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \
2115 uvlinesize, bedge_lim_uv, \
2116 inner_limit, hev_thresh); \
2123 mbedge_lim, inner_limit, hev_thresh);
2125 mbedge_lim, inner_limit, hev_thresh);
2130 linesize, bedge_lim_y,
2131 inner_limit, hev_thresh);
2133 linesize, bedge_lim_y,
2134 inner_limit, hev_thresh);
2136 linesize, bedge_lim_y,
2137 inner_limit, hev_thresh);
2139 dst[2] + 4 * uvlinesize,
2140 uvlinesize, bedge_lim_uv,
2141 inner_limit, hev_thresh);
2151 int mbedge_lim, bedge_lim;
2160 bedge_lim = 2 * filter_level + inner_limit;
2161 mbedge_lim = bedge_lim + 4;
2180 #define MARGIN (16 << 2)
2190 for (mb_y = 0; mb_y < s->
mb_height; mb_y++) {
2192 ((s->
mb_width + 1) * (mb_y + 1) + 1);
2199 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb_xy++, mb++) {
2204 prev_frame && prev_frame->
seg_map ?
2227 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \
2229 int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF); \
2230 if (otd->thread_mb_pos < tmp) { \
2231 pthread_mutex_lock(&otd->lock); \
2232 td->wait_mb_pos = tmp; \
2234 if (otd->thread_mb_pos >= tmp) \
2236 pthread_cond_wait(&otd->cond, &otd->lock); \
2238 td->wait_mb_pos = INT_MAX; \
2239 pthread_mutex_unlock(&otd->lock); \
2243 #define update_pos(td, mb_y, mb_x) \
2245 int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
2246 int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
2248 int is_null = !next_td || !prev_td; \
2249 int pos_check = (is_null) ? 1 \
2250 : (next_td != td && \
2251 pos >= next_td->wait_mb_pos) || \
2253 pos >= prev_td->wait_mb_pos); \
2254 td->thread_mb_pos = pos; \
2255 if (sliced_threading && pos_check) { \
2256 pthread_mutex_lock(&td->lock); \
2257 pthread_cond_broadcast(&td->cond); \
2258 pthread_mutex_unlock(&td->lock); \
2262 #define check_thread_pos(td, otd, mb_x_check, mb_y_check)
2263 #define update_pos(td, mb_y, mb_x)
2267 int jobnr,
int threadnr,
int is_vp7)
2272 int mb_x, mb_xy = mb_y * s->
mb_width;
2285 prev_td = &s->
thread_data[(jobnr + num_jobs - 1) % num_jobs];
2289 next_td = &s->
thread_data[(jobnr + 1) % num_jobs];
2299 memset(mb - 1, 0,
sizeof(*mb));
2303 if (!is_vp7 || mb_y == 0)
2309 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb_xy++, mb++) {
2311 if (prev_td != td) {
2312 if (threadnr != 0) {
2314 mb_x + (is_vp7 ? 2 : 1),
2315 mb_y - (is_vp7 ? 2 : 1));
2318 mb_x + (is_vp7 ? 2 : 1) + s->
mb_width + 3,
2319 mb_y - (is_vp7 ? 2 : 1));
2326 dst[2] - dst[1], 2);
2330 prev_frame && prev_frame->seg_map ?
2331 prev_frame->seg_map->data + mb_xy :
NULL, 0, is_vp7);
2362 if (s->
deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
2388 int jobnr,
int threadnr)
2394 int jobnr,
int threadnr)
2400 int jobnr,
int threadnr,
int is_vp7)
2422 prev_td = &s->
thread_data[(jobnr + num_jobs - 1) % num_jobs];
2426 next_td = &s->
thread_data[(jobnr + 1) % num_jobs];
2428 for (mb_x = 0; mb_x < s->
mb_width; mb_x++, mb++) {
2432 (mb_x + 1) + (s->
mb_width + 3), mb_y - 1);
2437 if (num_jobs == 1) {
2449 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2459 int jobnr,
int threadnr)
2465 int jobnr,
int threadnr)
2472 int threadnr,
int is_vp7)
2481 for (mb_y = jobnr; mb_y < s->
mb_height; mb_y += num_jobs) {
2501 int jobnr,
int threadnr)
2507 int jobnr,
int threadnr)
2518 int ret, i, referenced, num_jobs;
2547 for (i = 0; i < 5; i++)
2549 &s->
frames[i] != prev_frame &&
2572 "Discarding interframe without a prior keyframe!\n");
2577 curframe->tf.f->key_frame = s->
keyframe;
2604 s->
linesize = curframe->tf.f->linesize[0];
2677 #if CONFIG_VP7_DECODER
2745 #if CONFIG_VP7_DECODER
2757 #if CONFIG_VP8_DECODER
2773 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2788 s->
prob[0] = s_src->
prob[!s_src->update_probabilities];
2794 if (s_src->frames[i].tf.f->data[0]) {
2795 int ret = vp8_ref_frame(s, &s->
frames[i], &s_src->frames[i]);
2801 s->
framep[0] = REBASE(s_src->next_framep[0]);
2802 s->
framep[1] = REBASE(s_src->next_framep[1]);
2803 s->
framep[2] = REBASE(s_src->next_framep[2]);
2804 s->
framep[3] = REBASE(s_src->next_framep[3]);
2810 #if CONFIG_VP7_DECODER
2817 .
init = vp7_decode_init,
2819 .
decode = vp7_decode_frame,
2825 #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 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 ...
static av_always_inline void decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr, int is_vp7)
uint8_t * intra4x4_pred_mode_top
struct VP8Context::@93 prob[2]
These are all of the updatable probabilities for binary decisions.
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]
#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[]
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]
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)
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]
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)
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)
struct VP8Context::@92 lf_delta
uint8_t colorspace
0 is the only value allowed (meaning bt601)
static const VP56mv * get_bmv_ptr(const VP8Macroblock *mb, int subblock)
struct VP8Context::@90 filter
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 void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
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)
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 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 ONLY_IF_THREADS_ENABLED(x)
Define a function with only the non-default version specified.
static const uint8_t vp8_pred16x16_prob_inter[4]
static void vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
useful rectangle filling function
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)
struct VP8Context::@89 segmentation
Base parameters for segmentation, i.e.
#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
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...
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 void filter_level_for_mb(VP8Context *s, VP8Macroblock *mb, VP8FilterStrength *f, int is_vp7)
struct VP8Context::@91 qmat[4]
Macroblocks can have one of 4 different quants in a frame when segmentation is enabled.
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)
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
static void flush(AVCodecContext *avctx)
the normal 2^n-1 "JPEG" YUV ranges
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)
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
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 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)
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)
void(* decode_mb_row_no_filter)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
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.
static void vp8_get_quants(VP8Context *s)
#define CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
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)
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[]
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)