29 #define BITSTREAM_READER_LE
45 uint32_t pitch,
int mc_type);
48 int offs,
int mv_x,
int mv_y,
int mc_type)
50 int ref_offs = offs + mv_y * band->
pitch + mv_x;
53 int ref_size = (mc_type > 1) * band->
pitch + (mc_type & 1);
55 if (offs < 0 || ref_offs < 0 || !band->ref_buf)
57 if (buf_size - min_size < offs)
59 if (buf_size - min_size - ref_size < ref_offs)
71 static uint16_t
inv_bits(uint16_t val,
int nbits)
95 int pos, i, j, codes_per_row, prefix, not_last_row;
96 uint16_t codewords[256];
101 for (i = 0; i < cb->
num_rows; i++) {
102 codes_per_row = 1 << cb->
xbits[i];
103 not_last_row = (i != cb->
num_rows - 1);
104 prefix = ((1 << i) - 1) << (cb->
xbits[i] + not_last_row);
106 for (j = 0; j < codes_per_row; j++) {
110 bits[pos] = i + cb->
xbits[i] + not_last_row;
114 codewords[pos] =
inv_bits((prefix | j), bits[pos]);
131 static int initialized_vlcs = 0;
133 if (initialized_vlcs)
135 for (i = 0; i < 8; i++) {
136 ivi_mb_vlc_tabs[i].
table = table_data + i * 2 * 8192;
139 &ivi_mb_vlc_tabs[i], 1);
140 ivi_blk_vlc_tabs[i].
table = table_data + (i * 2 + 1) * 8192;
143 &ivi_blk_vlc_tabs[i], 1);
145 initialized_vlcs = 1;
182 huff_tab->
tab = (which_tab) ? &ivi_blk_vlc_tabs[7]
183 : &ivi_mb_vlc_tabs [7];
196 for (i = 0; i < new_huff.
num_rows; i++)
211 "Error while initializing custom vlc table!\n");
218 huff_tab->
tab = (which_tab) ? &ivi_blk_vlc_tabs[huff_tab->
tab_sel]
219 : &ivi_mb_vlc_tabs [huff_tab->
tab_sel];
234 for (p = 0; p < 3; p++) {
235 for (b = 0; b < planes[p].
num_bands; b++) {
236 av_freep(&planes[p].bands[b].bufs[0]);
237 av_freep(&planes[p].bands[b].bufs[1]);
238 av_freep(&planes[p].bands[b].bufs[2]);
240 if (planes[p].bands[b].blk_vlc.cust_tab.table)
243 av_freep(&planes[p].bands[b].tiles[t].mbs);
244 av_freep(&planes[p].bands[b].tiles);
254 uint32_t b_width, b_height, align_fac, width_aligned,
255 height_aligned, buf_size;
274 for (p = 0; p < 3; p++) {
276 if (!planes[p].bands)
283 : (planes[p].
width + 1) >> 1;
285 : (planes[p].
height + 1) >> 1;
289 align_fac = p ? 8 : 16;
290 width_aligned =
FFALIGN(b_width , align_fac);
291 height_aligned =
FFALIGN(b_height, align_fac);
292 buf_size = width_aligned * height_aligned *
sizeof(int16_t);
294 for (b = 0; b < planes[p].
num_bands; b++) {
295 band = &planes[p].
bands[
b];
298 band->
width = b_width;
300 band->
pitch = width_aligned;
301 band->
aheight = height_aligned;
304 if (!band->
bufs[0] || !band->
bufs[1])
322 int p,
int b,
int t_height,
int t_width)
327 for (y = 0; y < band->
height; y += t_height) {
328 for (x = 0; x < band->
width; x += t_width) {
359 int tile_width,
int tile_height)
361 int p,
b, x_tiles, y_tiles, t_width, t_height, ret;
364 for (p = 0; p < 3; p++) {
365 t_width = !p ? tile_width : (tile_width + 3) >> 2;
366 t_height = !p ? tile_height : (tile_height + 3) >> 2;
368 if (!p && planes[0].num_bands == 4) {
373 for (b = 0; b < planes[p].
num_bands; b++) {
374 band = &planes[p].
bands[
b];
387 p, b, t_height, t_width);
427 int min_size = (blk_size - 1) * band->
pitch + blk_size;
433 if (min_size > buf_size)
437 band->
pitch, blk_size);
444 int *prev_dc,
int is_intra,
int mc_type,
445 uint32_t
quant,
int offs,
452 uint32_t sym = 0, lo, hi, q;
455 int num_coeffs = blk_size * blk_size;
456 int col_mask = blk_size - 1;
462 if (min_size > buf_size)
471 memset(trvec, 0, num_coeffs *
sizeof(trvec[0]));
473 memset(col_flags, 0,
sizeof(col_flags));
474 while (scan_pos <= num_coeffs) {
498 if (scan_pos >= num_coeffs || scan_pos < 0)
500 pos = band->
scan[scan_pos];
503 av_dlog(avctx,
"Val = 0 encountered!\n");
505 q = (base_tab[pos] *
quant) >> 9;
507 val = val * q +
FFSIGN(val) * (((q ^ 1) - 1) >> 1);
510 col_flags[pos & col_mask] |= !!val;
513 if (scan_pos < 0 || scan_pos >= num_coeffs && sym != rvmap->
eob_sym)
518 *prev_dc += trvec[0];
520 col_flags[0] |= !!*prev_dc;
525 band->
pitch, col_flags);
529 return ivi_mc(band, mc, offs, mv_x, mv_y, mc_type);
547 int mbn,
blk, num_blocks, blk_size, ret, is_intra, mc_type = 0;
548 int mv_x = 0, mv_y = 0;
550 uint32_t cbp,
quant, buf_offs;
559 num_blocks = (band->
mb_size != blk_size) ? 4 : 1;
568 for (mbn = 0, mb = tile->
mbs; mbn < tile->num_MBs; mb++, mbn++) {
569 is_intra = !mb->
type;
577 quant = scale_tab[
quant];
583 mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
588 int dmv_x, dmv_y, cx, cy;
595 if (mb->
xpos + dmv_x < 0 ||
597 mb->
ypos + dmv_y < 0 ||
604 for (blk = 0; blk < num_blocks; blk++) {
607 buf_offs += blk_size;
608 }
else if (blk == 2) {
609 buf_offs -= blk_size;
610 buf_offs += blk_size * band->
pitch;
615 mv_x, mv_y, &prev_dc, is_intra,
616 mc_type, quant, buf_offs, avctx);
628 ret =
ivi_mc(band, mc_no_delta_func, buf_offs,
629 mv_x, mv_y, mc_type);
656 int x, y, need_mc, mbn,
blk, num_blocks, mv_x, mv_y, mc_type;
657 int offs, mb_offset, row_offset, ret;
665 "parameters %d in ivi_process_empty_tile()\n",
721 for (mbn = 0, mb = tile->
mbs; mbn < tile->num_MBs; mb++, mbn++) {
727 mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
732 for (blk = 0; blk < num_blocks; blk++) {
735 ret =
ivi_mc(band, mc_no_delta_func, offs,
736 mv_x, mv_y, mc_type);
745 for (y = 0; y < tile->
height; y++) {
746 memcpy(dst, src, tile->
width*
sizeof(band->
buf[0]));
757 static uint16_t ivi_calc_band_checksum(
IVIBandDesc *band)
760 int16_t *src, checksum;
765 for (y = 0; y < band->
height; src += band->
pitch, y++)
766 for (x = 0; x < band->
width; x++)
785 const int16_t *src = plane->
bands[0].
buf;
791 for (y = 0; y < plane->
height; y++) {
792 for (x = 0; x < plane->
width; x++)
793 dst[x] = av_clip_uint8(src[x] + 128);
810 int result, i,
t, idx1, idx2, pos;
836 for (i = 0; i < band->
num_corr; i++) {
837 idx1 = band->
corr[i * 2];
838 idx2 = band->
corr[i * 2 + 1];
859 av_dlog(avctx,
"Empty tile encountered!\n");
874 "Corrupted tile data encountered!\n");
880 "Tile data_size mismatch!\n");
891 for (i = band->
num_corr-1; i >= 0; i--) {
892 idx1 = band->
corr[i*2];
893 idx2 = band->
corr[i*2+1];
900 uint16_t chksum = ivi_calc_band_checksum(band);
903 "Band checksum mismatch! Plane %d, band %d, "
904 "received: %x, calculated: %x\n",
920 int buf_size = avpkt->
size;
930 "Error while decoding picture header: %d\n", result);
951 for (p = 0; p < 3; p++) {
956 "Error while decoding band: %d, plane: %d\n", b, p);
965 for (p = 0; p < 3; p++) {
1029 #if IVI4_STREAM_ANALYSER
1033 if (ctx->uses_tiling)
1035 if (ctx->has_b_frames)
1037 if (ctx->has_transp)
1041 if (ctx->uses_fullpel)
1057 {8, {0, 4, 5, 4, 4, 4, 6, 6}},
1058 {12, {0, 2, 2, 3, 3, 3, 3, 5, 3, 2, 2, 2}},
1059 {12, {0, 2, 3, 4, 3, 3, 3, 3, 4, 3, 2, 2}},
1060 {12, {0, 3, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2}},
1061 {13, {0, 4, 4, 3, 3, 3, 3, 2, 3, 3, 2, 1, 1}},
1062 {9, {0, 4, 4, 4, 4, 3, 3, 3, 2}},
1063 {10, {0, 4, 4, 4, 4, 3, 3, 2, 2, 2}},
1064 {12, {0, 4, 4, 4, 3, 3, 2, 3, 2, 2, 2, 2}}
1068 {10, {1, 2, 3, 4, 4, 7, 5, 5, 4, 1}},
1069 {11, {2, 3, 4, 4, 4, 7, 5, 4, 3, 3, 2}},
1070 {12, {2, 4, 5, 5, 5, 5, 6, 4, 4, 3, 1, 1}},
1071 {13, {3, 3, 4, 4, 5, 6, 6, 4, 4, 3, 2, 1, 1}},
1072 {11, {3, 4, 4, 5, 5, 5, 6, 5, 4, 2, 2}},
1073 {13, {3, 4, 5, 5, 5, 5, 6, 4, 3, 3, 2, 1, 1}},
1074 {13, {3, 4, 5, 5, 5, 6, 5, 4, 3, 3, 2, 1, 1}},
1075 {9, {3, 4, 4, 5, 5, 5, 6, 5, 5}}
1083 0, 8, 16, 24, 32, 40, 48, 56,
1084 1, 9, 17, 25, 33, 41, 49, 57,
1085 2, 10, 18, 26, 34, 42, 50, 58,
1086 3, 11, 19, 27, 35, 43, 51, 59,
1087 4, 12, 20, 28, 36, 44, 52, 60,
1088 5, 13, 21, 29, 37, 45, 53, 61,
1089 6, 14, 22, 30, 38, 46, 54, 62,
1090 7, 15, 23, 31, 39, 47, 55, 63
1094 0, 1, 2, 3, 4, 5, 6, 7,
1095 8, 9, 10, 11, 12, 13, 14, 15,
1096 16, 17, 18, 19, 20, 21, 22, 23,
1097 24, 25, 26, 27, 28, 29, 30, 31,
1098 32, 33, 34, 35, 36, 37, 38, 39,
1099 40, 41, 42, 43, 44, 45, 46, 47,
1100 48, 49, 50, 51, 52, 53, 54, 55,
1101 56, 57, 58, 59, 60, 61, 62, 63
1105 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
1117 {1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 1, 1, 1, 1, 3, 3,
1118 1, 1, 2, 2, 1, 1, 4, 4, 1, 1, 1, 1, 2, 2, 5, 5,
1119 1, 1, 3, 3, 1, 1, 6, 6, 1, 2, 1, 2, 7, 7, 1, 1,
1120 8, 8, 1, 1, 4, 2, 1, 4, 2, 1, 3, 3, 1, 1, 1, 9,
1121 9, 1, 2, 1, 2, 1, 5, 5, 1, 1, 10, 10, 1, 1, 3, 3,
1122 2, 2, 1, 1, 11, 11, 6, 4, 4, 1, 6, 1, 2, 1, 2, 12,
1123 8, 1, 12, 7, 8, 7, 1, 16, 1, 16, 1, 3, 3, 13, 1, 13,
1124 2, 2, 1, 15, 1, 5, 14, 15, 1, 5, 14, 1, 17, 8, 17, 8,
1125 1, 4, 4, 2, 2, 1, 25, 25, 24, 24, 1, 3, 1, 3, 1, 8,
1126 6, 7, 6, 1, 18, 8, 18, 1, 7, 23, 2, 2, 23, 1, 1, 21,
1127 22, 9, 9, 22, 19, 1, 21, 5, 19, 5, 1, 33, 20, 33, 20, 8,
1128 4, 4, 1, 32, 2, 2, 8, 3, 32, 26, 3, 1, 7, 7, 26, 6,
1129 1, 6, 1, 1, 16, 1, 10, 1, 10, 2, 16, 29, 28, 2, 29, 28,
1130 1, 27, 5, 8, 5, 27, 1, 8, 3, 7, 3, 31, 41, 31, 1, 41,
1131 6, 1, 6, 7, 4, 4, 1, 1, 2, 1, 2, 11, 34, 30, 11, 1,
1132 30, 15, 15, 34, 36, 40, 36, 40, 35, 35, 37, 37, 39, 39, 38, 38},
1135 { 1, -1, 0, 2, -2, 0, 3, -3, 1, -1, 4, -4, 5, -5, 1, -1,
1136 6, -6, 2, -2, 7, -7, 1, -1, 8, -8, 9, -9, 3, -3, 1, -1,
1137 10, -10, 2, -2, 11, -11, 1, -1, 12, 4, -12, -4, 1, -1, 13, -13,
1138 1, -1, 14, -14, 2, 5, 15, -2, -5, -15, -3, 3, 16, -16, 17, 1,
1139 -1, -17, 6, 18, -6, -18, 2, -2, 19, -19, 1, -1, 20, -20, 4, -4,
1140 7, -7, 21, -21, 1, -1, 2, 3, -3, 22, -2, -22, 8, 23, -8, 1,
1141 2, -23, -1, 2, -2, -2, 24, 1, -24, -1, 25, 5, -5, 1, -25, -1,
1142 9, -9, 26, 1, -26, 3, 1, -1, 27, -3, -1, -27, 1, 3, -1, -3,
1143 28, -4, 4, 10, -10, -28, 1, -1, 1, -1, 29, 6, -29, -6, 30, -4,
1144 3, 3, -3, -30, 1, 4, -1, 31, -3, 1, 11, -11, -1, -31, 32, -1,
1145 -1, 2, -2, 1, 1, -32, 1, 4, -1, -4, 33, -1, 1, 1, -1, 5,
1146 5, -5, -33, -1, -12, 12, -5, -7, 1, 1, 7, 34, 4, -4, -1, 4,
1147 -34, -4, 35, 36, -2, -35, -2, -36, 2, 13, 2, -1, 1, -13, 1, -1,
1148 37, 1, -5, 6, 5, -1, 38, -6, -8, 5, 8, -1, 1, 1, -37, -1,
1149 5, 39, -5, -5, 6, -6, -38, -39, -14, 40, 14, 2, 1, 1, -2, -40,
1150 -1, -2, 2, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, -1, 1, -1}
1156 {0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 8, 6, 8, 7,
1157 7, 9, 9, 10, 10, 11, 11, 1, 12, 1, 12, 13, 13, 16, 14, 16,
1158 14, 15, 15, 17, 17, 18, 0, 18, 19, 20, 21, 19, 22, 21, 20, 22,
1159 25, 24, 2, 25, 24, 23, 23, 2, 26, 28, 26, 28, 29, 27, 29, 27,
1160 33, 33, 1, 32, 1, 3, 32, 30, 36, 3, 36, 30, 31, 31, 35, 34,
1161 37, 41, 34, 35, 37, 4, 41, 4, 49, 8, 8, 49, 40, 38, 5, 38,
1162 40, 39, 5, 39, 42, 43, 42, 7, 57, 6, 43, 44, 6, 50, 7, 44,
1163 57, 48, 50, 48, 45, 45, 46, 47, 51, 46, 47, 58, 1, 51, 58, 1,
1164 52, 59, 53, 9, 52, 55, 55, 59, 53, 56, 54, 56, 54, 9, 64, 64,
1165 60, 63, 60, 63, 61, 62, 61, 62, 2, 10, 2, 10, 11, 1, 11, 13,
1166 12, 1, 12, 13, 16, 16, 8, 8, 14, 3, 3, 15, 14, 15, 4, 4,
1167 1, 17, 17, 5, 1, 7, 7, 5, 6, 1, 2, 2, 6, 22, 1, 25,
1168 21, 22, 8, 24, 1, 21, 25, 24, 8, 18, 18, 23, 9, 20, 23, 33,
1169 29, 33, 20, 1, 19, 1, 29, 36, 9, 36, 19, 41, 28, 57, 32, 3,
1170 28, 3, 1, 27, 49, 49, 1, 32, 26, 26, 2, 4, 4, 7, 57, 41,
1171 2, 7, 10, 5, 37, 16, 10, 27, 8, 8, 13, 16, 37, 13, 1, 5},
1174 {0, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1,
1175 -1, 1, -1, 1, -1, 1, -1, 2, 1, -2, -1, 1, -1, 1, 1, -1,
1176 -1, 1, -1, 1, -1, 1, 0, -1, 1, 1, 1, -1, 1, -1, -1, -1,
1177 1, 1, 2, -1, -1, 1, -1, -2, 1, 1, -1, -1, 1, 1, -1, -1,
1178 1, -1, 3, 1, -3, 2, -1, 1, 1, -2, -1, -1, -1, 1, 1, 1,
1179 1, 1, -1, -1, -1, 2, -1, -2, 1, 2, -2, -1, 1, 1, 2, -1,
1180 -1, 1, -2, -1, 1, 1, -1, 2, 1, 2, -1, 1, -2, -1, -2, -1,
1181 -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, 4, -1, -1, -4,
1182 1, 1, 1, 2, -1, -1, 1, -1, -1, 1, -1, -1, 1, -2, 1, -1,
1183 1, 1, -1, -1, 1, 1, -1, -1, 3, 2, -3, -2, 2, 5, -2, 2,
1184 2, -5, -2, -2, -2, 2, -3, 3, 2, 3, -3, 2, -2, -2, 3, -3,
1185 6, 2, -2, 3, -6, 3, -3, -3, 3, 7, -4, 4, -3, 2, -7, 2,
1186 2, -2, -4, 2, 8, -2, -2, -2, 4, 2, -2, 2, 3, 2, -2, -2,
1187 2, 2, -2, -8, -2, 9, -2, 2, -3, -2, 2, -2, 2, 2, 2, 4,
1188 -2, -4, 10, 2, 2, -2, -9, -2, 2, -2, 5, 4, -4, 4, -2, 2,
1189 -5, -4, -3, 4, 2, -3, 3, -2, -5, 5, 3, 3, -2, -3, -10, -4}
1195 {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 0, 1, 1, 5, 5,
1196 2, 2, 6, 6, 7, 7, 1, 8, 1, 8, 3, 3, 9, 9, 1, 2,
1197 2, 1, 4, 10, 4, 10, 11, 11, 1, 5, 12, 12, 1, 5, 13, 13,
1198 3, 3, 6, 6, 2, 2, 14, 14, 16, 16, 15, 7, 15, 8, 8, 7,
1199 1, 1, 17, 17, 4, 4, 1, 1, 18, 18, 2, 2, 5, 5, 25, 3,
1200 9, 3, 25, 9, 19, 24, 19, 24, 1, 21, 20, 1, 21, 22, 20, 22,
1201 23, 23, 8, 6, 33, 6, 8, 33, 7, 7, 26, 26, 1, 32, 1, 32,
1202 28, 4, 28, 10, 29, 27, 27, 10, 41, 4, 29, 2, 2, 41, 36, 31,
1203 49, 31, 34, 30, 34, 36, 30, 35, 1, 49, 11, 5, 35, 11, 1, 3,
1204 3, 5, 37, 37, 8, 40, 8, 40, 12, 12, 42, 42, 1, 38, 16, 57,
1205 1, 6, 16, 39, 38, 6, 7, 7, 13, 13, 39, 43, 2, 43, 57, 2,
1206 50, 9, 44, 9, 50, 4, 15, 48, 44, 4, 1, 15, 48, 14, 14, 1,
1207 45, 45, 8, 3, 5, 8, 51, 47, 3, 46, 46, 47, 5, 51, 1, 17,
1208 17, 58, 1, 58, 2, 52, 52, 2, 53, 7, 59, 6, 6, 56, 53, 55,
1209 7, 55, 1, 54, 59, 56, 54, 10, 1, 10, 4, 60, 1, 60, 8, 4,
1210 8, 64, 64, 61, 1, 63, 3, 63, 62, 61, 5, 11, 5, 3, 11, 62},
1213 { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 0, 3, -3, 1, -1,
1214 2, -2, 1, -1, 1, -1, 4, 1, -4, -1, 2, -2, 1, -1, 5, 3,
1215 -3, -5, 2, 1, -2, -1, 1, -1, 6, 2, 1, -1, -6, -2, 1, -1,
1216 3, -3, 2, -2, 4, -4, 1, -1, 1, -1, 1, 2, -1, 2, -2, -2,
1217 7, -7, 1, -1, 3, -3, 8, -8, 1, -1, 5, -5, 3, -3, 1, 4,
1218 2, -4, -1, -2, 1, 1, -1, -1, 9, 1, 1, -9, -1, 1, -1, -1,
1219 1, -1, 3, -3, 1, 3, -3, -1, 3, -3, 1, -1, 10, 1, -10, -1,
1220 1, 4, -1, 2, 1, -1, 1, -2, 1, -4, -1, 6, -6, -1, 1, 1,
1221 1, -1, 1, 1, -1, -1, -1, 1, 11, -1, -2, 4, -1, 2, -11, 5,
1222 -5, -4, -1, 1, 4, 1, -4, -1, -2, 2, 1, -1, 12, 1, -2, 1,
1223 -12, 4, 2, 1, -1, -4, 4, -4, 2, -2, -1, 1, 7, -1, -1, -7,
1224 -1, -3, 1, 3, 1, 5, 2, 1, -1, -5, 13, -2, -1, 2, -2, -13,
1225 1, -1, 5, 6, 5, -5, 1, 1, -6, 1, -1, -1, -5, -1, 14, 2,
1226 -2, 1, -14, -1, 8, 1, -1, -8, 1, 5, 1, 5, -5, 1, -1, 1,
1227 -5, -1, 15, 1, -1, -1, -1, 3, -15, -3, 6, 1, 16, -1, 6, -6,
1228 -6, 1, -1, 1, -16, 1, 7, -1, 1, -1, -6, -3, 6, -7, 3, -1}
1234 {0, 1, 1, 2, 2, 3, 3, 4, 4, 1, 1, 5, 5, 6, 6, 7,
1235 7, 8, 8, 9, 9, 2, 2, 10, 10, 1, 1, 11, 11, 12, 12, 3,
1236 3, 13, 13, 0, 14, 14, 16, 15, 16, 15, 4, 4, 17, 1, 17, 1,
1237 5, 5, 18, 18, 2, 2, 6, 6, 8, 19, 7, 8, 7, 19, 20, 20,
1238 21, 21, 22, 24, 22, 24, 23, 23, 1, 1, 25, 25, 3, 3, 26, 26,
1239 9, 9, 27, 27, 28, 28, 33, 29, 4, 33, 29, 1, 4, 1, 32, 32,
1240 2, 2, 31, 10, 30, 10, 30, 31, 34, 34, 5, 5, 36, 36, 35, 41,
1241 35, 11, 41, 11, 37, 1, 8, 8, 37, 6, 1, 6, 40, 7, 7, 40,
1242 12, 38, 12, 39, 39, 38, 49, 13, 49, 13, 3, 42, 3, 42, 16, 16,
1243 43, 43, 14, 14, 1, 1, 44, 15, 44, 15, 2, 2, 57, 48, 50, 48,
1244 57, 50, 4, 45, 45, 4, 46, 47, 47, 46, 1, 51, 1, 17, 17, 51,
1245 8, 9, 9, 5, 58, 8, 58, 5, 52, 52, 55, 56, 53, 56, 55, 59,
1246 59, 53, 54, 1, 6, 54, 7, 7, 6, 1, 2, 3, 2, 3, 64, 60,
1247 60, 10, 10, 64, 61, 62, 61, 63, 1, 63, 62, 1, 18, 24, 18, 4,
1248 25, 4, 8, 21, 21, 1, 24, 22, 25, 22, 8, 11, 19, 11, 23, 1,
1249 20, 23, 19, 20, 5, 12, 5, 1, 16, 2, 12, 13, 2, 13, 1, 16},
1252 { 0, 1, -1, 1, -1, 1, -1, 1, -1, 2, -2, 1, -1, 1, -1, 1,
1253 -1, 1, -1, 1, -1, 2, -2, 1, -1, 3, -3, 1, -1, 1, -1, 2,
1254 -2, 1, -1, 0, 1, -1, 1, 1, -1, -1, 2, -2, 1, 4, -1, -4,
1255 2, -2, 1, -1, -3, 3, 2, -2, 2, 1, 2, -2, -2, -1, 1, -1,
1256 1, -1, 1, 1, -1, -1, 1, -1, 5, -5, 1, -1, 3, -3, 1, -1,
1257 2, -2, 1, -1, 1, -1, 1, 1, 3, -1, -1, 6, -3, -6, -1, 1,
1258 4, -4, 1, 2, 1, -2, -1, -1, 1, -1, 3, -3, 1, -1, 1, 1,
1259 -1, 2, -1, -2, 1, 7, -3, 3, -1, 3, -7, -3, 1, -3, 3, -1,
1260 2, 1, -2, 1, -1, -1, 1, 2, -1, -2, -4, -1, 4, 1, 2, -2,
1261 1, -1, -2, 2, 8, -8, -1, 2, 1, -2, -5, 5, 1, -1, -1, 1,
1262 -1, 1, 4, -1, 1, -4, -1, -1, 1, 1, 9, 1, -9, 2, -2, -1,
1263 -4, 3, -3, -4, -1, 4, 1, 4, 1, -1, 1, -1, 1, 1, -1, 1,
1264 -1, -1, -1, 10, 4, 1, 4, -4, -4, -10, 6, 5, -6, -5, 1, -1,
1265 1, 3, -3, -1, 1, -1, -1, -1, 11, 1, 1, -11, -2, -2, 2, 5,
1266 -2, -5, -5, 2, -2, 12, 2, -2, 2, 2, 5, -3, -2, 3, -2, -12,
1267 -2, 2, 2, 2, -5, 3, 5, 13, -3, 7, -3, -3, -7, 3, -13, 3}
1273 {0, 1, 1, 1, 2, 2, 1, 3, 3, 1, 1, 1, 4, 4, 1, 5,
1274 2, 1, 5, 2, 1, 1, 6, 6, 1, 1, 1, 1, 1, 7, 3, 1,
1275 2, 3, 0, 1, 2, 7, 1, 1, 1, 8, 1, 1, 8, 1, 1, 1,
1276 9, 1, 9, 1, 2, 1, 1, 2, 1, 1, 10, 4, 1, 10, 1, 4,
1277 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 2, 1, 5, 1, 1, 1,
1278 2, 5, 1, 11, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1279 2, 1, 6, 1, 6, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 12,
1280 3, 1, 12, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 1, 1,
1281 4, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, 1, 2, 1,
1282 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 5,
1283 1, 1, 1, 1, 1, 7, 1, 7, 1, 1, 2, 3, 1, 1, 1, 1,
1284 5, 1, 1, 1, 1, 1, 1, 2, 13, 1, 1, 1, 1, 1, 1, 1,
1285 1, 1, 1, 1, 1, 1, 1, 1, 13, 2, 1, 1, 4, 1, 1, 1,
1286 3, 1, 6, 1, 1, 1, 14, 1, 1, 1, 1, 1, 14, 6, 1, 1,
1287 1, 1, 15, 2, 4, 1, 2, 3, 15, 1, 1, 1, 8, 1, 1, 8,
1288 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1},
1291 { 0, 1, -1, 2, 1, -1, -2, 1, -1, 3, -3, 4, 1, -1, -4, 1,
1292 2, 5, -1, -2, -5, 6, 1, -1, -6, 7, -7, 8, -8, 1, 2, 9,
1293 3, -2, 0, -9, -3, -1, 10, -10, 11, 1, -11, 12, -1, -12, 13, -13,
1294 1, 14, -1, -14, 4, 15, -15, -4, 16, -16, 1, 2, 17, -1, -17, -2,
1295 18, -18, 19, -19, 20, 3, -20, 21, -21, -3, 5, 22, 2, -22, -23, 23,
1296 -5, -2, 24, 1, -24, -1, 25, -25, 26, -26, -27, 27, 28, 29, -28, -29,
1297 6, 30, 2, -31, -2, -30, 31, -6, -32, 32, 33, -33, 34, -35, -34, 1,
1298 4, -36, -1, 35, 37, 36, 7, -37, 38, -4, -38, 39, 41, 40, -40, -39,
1299 3, 42, -43, -41, -7, -42, 43, -3, 44, -44, 45, -45, 46, 47, 8, -47,
1300 -48, -46, 50, -50, 48, 49, 51, -49, 52, -52, 5, -51, -8, -53, 53, 3,
1301 -56, 56, 55, 54, -54, 2, 60, -2, -55, 58, 9, -5, 59, 57, -57, -63,
1302 -3, -58, -60, -61, 61, -59, -62, -9, 1, 64, 62, 69, -64, 63, 65, -67,
1303 -68, 66, -65, 68, -66, -69, 67, -70, -1, 10, 71, -71, 4, 73, 72, 70,
1304 6, -76, -3, 74, -78, -74, 1, 78, 80, -72, -75, 76, -1, 3, -73, 79,
1305 75, 77, 1, 11, -4, -79, -10, -6, -1, -77, -83, -80, 2, 81, -84, -2,
1306 83, -81, 82, -82, 84, -87, -86, 85, -11, -85, 86, -89, 87, -88, 88, 89}
1312 {1, 1, 0, 2, 1, 2, 1, 3, 3, 1, 1, 4, 4, 2, 2, 1,
1313 1, 5, 5, 6, 1, 6, 1, 7, 7, 3, 3, 2, 8, 2, 8, 1,
1314 1, 0, 9, 9, 1, 1, 10, 4, 10, 4, 11, 11, 2, 1, 2, 1,
1315 12, 12, 3, 3, 1, 1, 13, 5, 5, 13, 14, 1, 1, 14, 2, 2,
1316 6, 6, 15, 1, 1, 15, 16, 4, 7, 16, 4, 7, 1, 1, 3, 3,
1317 8, 8, 2, 2, 1, 1, 17, 17, 1, 1, 18, 18, 5, 5, 2, 2,
1318 1, 1, 9, 19, 9, 19, 20, 3, 3, 20, 1, 10, 21, 1, 10, 4,
1319 4, 21, 22, 6, 6, 22, 1, 1, 23, 24, 2, 2, 23, 24, 11, 1,
1320 1, 11, 7, 25, 7, 1, 1, 25, 8, 8, 3, 26, 3, 1, 12, 2,
1321 2, 26, 1, 12, 5, 5, 27, 4, 1, 4, 1, 27, 28, 1, 28, 13,
1322 1, 13, 2, 29, 2, 1, 32, 6, 1, 30, 14, 29, 14, 6, 3, 31,
1323 3, 1, 30, 1, 32, 31, 33, 9, 33, 1, 1, 7, 9, 7, 2, 2,
1324 1, 1, 4, 36, 34, 4, 5, 10, 10, 5, 34, 1, 1, 35, 8, 8,
1325 36, 3, 35, 1, 15, 3, 2, 1, 16, 15, 16, 2, 37, 1, 37, 1,
1326 1, 1, 6, 6, 38, 1, 38, 11, 1, 39, 39, 40, 11, 2, 41, 4,
1327 40, 1, 2, 4, 1, 1, 1, 41, 3, 1, 3, 1, 5, 7, 5, 7},
1330 { 1, -1, 0, 1, 2, -1, -2, 1, -1, 3, -3, 1, -1, 2, -2, 4,
1331 -4, 1, -1, 1, 5, -1, -5, 1, -1, 2, -2, 3, 1, -3, -1, 6,
1332 -6, 0, 1, -1, 7, -7, 1, 2, -1, -2, 1, -1, 4, 8, -4, -8,
1333 1, -1, 3, -3, 9, -9, 1, 2, -2, -1, 1, 10, -10, -1, 5, -5,
1334 2, -2, 1, 11, -11, -1, 1, 3, 2, -1, -3, -2, 12, -12, 4, -4,
1335 2, -2, -6, 6, 13, -13, 1, -1, 14, -14, 1, -1, 3, -3, 7, -7,
1336 15, -15, 2, 1, -2, -1, 1, 5, -5, -1, -16, 2, 1, 16, -2, 4,
1337 -4, -1, 1, 3, -3, -1, 17, -17, 1, 1, -8, 8, -1, -1, 2, 18,
1338 -18, -2, 3, 1, -3, 19, -19, -1, 3, -3, 6, 1, -6, 20, 2, 9,
1339 -9, -1, -20, -2, 4, -4, 1, -5, 21, 5, -21, -1, 1, -22, -1, 2,
1340 22, -2, 10, 1, -10, 23, 1, 4, -23, 1, 2, -1, -2, -4, -7, 1,
1341 7, -24, -1, 24, -1, -1, 1, 3, -1, -25, 25, 4, -3, -4, 11, -11,
1342 26, -26, 6, 1, 1, -6, -5, -3, 3, 5, -1, -27, 27, 1, 4, -4,
1343 -1, -8, -1, 28, 2, 8, -12, -28, -2, -2, 2, 12, -1, 29, 1, -29,
1344 30, -30, 5, -5, 1, -31, -1, 3, 31, -1, 1, 1, -3, -13, 1, -7,
1345 -1, -32, 13, 7, 32, 33, -33, -1, -9, -34, 9, 34, -6, 5, 6, -5}
1351 {1, 1, 0, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 0, 2, 2,
1352 4, 1, 4, 1, 1, 1, 5, 5, 1, 1, 6, 6, 2, 2, 1, 1,
1353 3, 3, 7, 7, 1, 1, 8, 8, 1, 1, 2, 2, 1, 9, 1, 9,
1354 4, 4, 10, 1, 1, 10, 1, 1, 11, 11, 3, 3, 1, 2, 1, 2,
1355 1, 1, 12, 12, 5, 5, 1, 1, 13, 1, 1, 13, 2, 2, 1, 1,
1356 6, 6, 1, 1, 4, 14, 4, 14, 3, 1, 3, 1, 1, 1, 15, 7,
1357 15, 2, 2, 7, 1, 1, 1, 8, 1, 8, 16, 16, 1, 1, 1, 1,
1358 2, 1, 1, 2, 1, 1, 3, 5, 5, 3, 4, 1, 1, 4, 1, 1,
1359 17, 17, 9, 1, 1, 9, 2, 2, 1, 1, 10, 10, 1, 6, 1, 1,
1360 6, 18, 1, 1, 18, 1, 1, 1, 2, 2, 3, 1, 3, 1, 1, 1,
1361 4, 1, 19, 1, 19, 7, 1, 1, 20, 1, 4, 20, 1, 7, 11, 2,
1362 1, 11, 21, 2, 8, 5, 1, 8, 1, 5, 21, 1, 1, 1, 22, 1,
1363 1, 22, 1, 1, 3, 3, 1, 23, 2, 12, 24, 1, 1, 2, 1, 1,
1364 12, 23, 1, 1, 24, 1, 1, 1, 4, 1, 1, 1, 2, 1, 6, 6,
1365 4, 2, 1, 1, 1, 1, 1, 1, 1, 14, 13, 3, 1, 25, 9, 25,
1366 14, 1, 9, 3, 13, 1, 1, 1, 1, 1, 10, 1, 1, 2, 10, 2},
1369 {-20, -1, 0, 2, -2, 1, -1, 3, -3, 1, -1, 4, -4, 0, 2, -2,
1370 1, 5, -1, -5, 6, -6, 1, -1, 7, -7, 1, -1, 3, -3, 8, -8,
1371 2, -2, 1, -1, 9, -9, 1, -1, 10, -10, 4, -4, 11, 1, -11, -1,
1372 2, -2, 1, 12, -12, -1, 13, -13, 1, -1, 3, -3, 14, 5, -14, -5,
1373 -15, 15, -1, 1, 2, -2, 16, -16, 1, 17, -17, -1, 6, -6, 18, -18,
1374 2, -2, -19, 19, -3, 1, 3, -1, 4, 20, -4, 1, -21, 21, 1, 2,
1375 -1, -7, 7, -2, 22, -22, 23, 2, -23, -2, 1, -1, -24, 24, -25, 25,
1376 -8, -26, 26, 8, -27, 27, 5, 3, -3, -5, -4, 28, -28, 4, 29, -29,
1377 1, -1, -2, -30, 30, 2, 9, -9, -31, 31, 2, -2, -32, 3, 32, -33,
1378 -3, 1, 33, -34, -1, 34, -35, 35, -10, 10, -6, 36, 6, -36, 37, -37,
1379 -5, 38, 1, -38, -1, 3, 39, -39, -1, 40, 5, 1, -40, -3, 2, -11,
1380 -41, -2, 1, 11, -3, -4, 41, 3, 42, 4, -1, -43, -42, 43, 1, -44,
1381 45, -1, 44, -45, -7, 7, -46, 1, -12, 2, 1, -47, 46, 12, 47, 48,
1382 -2, -1, -48, 49, -1, -50, -49, 50, -6, -51, 51, 52, -13, 53, -4, 4,
1383 6, 13, -53, -52, -54, 55, 54, -55, -56, -2, 2, -8, 56, 1, -3, -1,
1384 2, 58, 3, 8, -2, 57, -58, -60, -59, -57, -3, 60, 59, -14, 3, 14}
1390 {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 5, 5, 1, 1, 6,
1391 6, 2, 2, 7, 7, 8, 8, 1, 1, 3, 3, 9, 9, 10, 10, 1,
1392 1, 2, 2, 4, 4, 11, 0, 11, 12, 12, 13, 13, 1, 1, 5, 5,
1393 14, 14, 15, 16, 15, 16, 3, 3, 1, 6, 1, 6, 2, 2, 7, 7,
1394 8, 8, 17, 17, 1, 1, 4, 4, 18, 18, 2, 2, 1, 19, 1, 20,
1395 19, 20, 21, 21, 3, 3, 22, 22, 5, 5, 24, 1, 1, 23, 9, 23,
1396 24, 9, 2, 2, 10, 1, 1, 10, 6, 6, 25, 4, 4, 25, 7, 7,
1397 26, 8, 1, 8, 3, 1, 26, 3, 11, 11, 27, 27, 2, 28, 1, 2,
1398 28, 1, 12, 12, 5, 5, 29, 13, 13, 29, 32, 1, 1, 33, 31, 30,
1399 32, 4, 30, 33, 4, 31, 3, 14, 1, 1, 3, 34, 34, 2, 2, 14,
1400 6, 6, 35, 36, 35, 36, 1, 15, 1, 16, 16, 15, 7, 9, 7, 9,
1401 37, 8, 8, 37, 1, 1, 39, 2, 38, 39, 2, 40, 5, 38, 40, 5,
1402 3, 3, 4, 4, 10, 10, 1, 1, 1, 1, 41, 2, 41, 2, 6, 6,
1403 1, 1, 11, 42, 11, 43, 3, 42, 3, 17, 4, 43, 1, 17, 7, 1,
1404 8, 44, 4, 7, 44, 5, 8, 2, 5, 1, 2, 48, 45, 1, 12, 45,
1405 12, 48, 13, 13, 1, 9, 9, 46, 1, 46, 47, 47, 49, 18, 18, 49},
1408 { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 1, -1, 3, -3, 1,
1409 -1, -2, 2, 1, -1, 1, -1, 4, -4, -2, 2, 1, -1, 1, -1, 5,
1410 -5, -3, 3, 2, -2, 1, 0, -1, 1, -1, 1, -1, 6, -6, 2, -2,
1411 1, -1, 1, 1, -1, -1, -3, 3, 7, 2, -7, -2, -4, 4, 2, -2,
1412 2, -2, 1, -1, 8, -8, 3, -3, 1, -1, -5, 5, 9, 1, -9, 1,
1413 -1, -1, 1, -1, -4, 4, 1, -1, 3, -3, 1, -10, 10, 1, 2, -1,
1414 -1, -2, 6, -6, 2, 11, -11, -2, 3, -3, 1, -4, 4, -1, 3, -3,
1415 1, 3, 12, -3, -5, -12, -1, 5, 2, -2, 1, -1, -7, 1, 13, 7,
1416 -1, -13, 2, -2, 4, -4, 1, 2, -2, -1, 1, 14, -14, 1, 1, 1,
1417 -1, -5, -1, -1, 5, -1, -6, 2, -15, 15, 6, 1, -1, -8, 8, -2,
1418 -4, 4, 1, 1, -1, -1, 16, 2, -16, -2, 2, -2, 4, 3, -4, -3,
1419 -1, -4, 4, 1, -17, 17, -1, -9, 1, 1, 9, 1, -5, -1, -1, 5,
1420 -7, 7, 6, -6, 3, -3, 18, -18, 19, -19, 1, -10, -1, 10, -5, 5,
1421 20, -20, -3, 1, 3, 1, 8, -1, -8, 2, 7, -1, -21, -2, 5, 21,
1422 5, -1, -7, -5, 1, -6, -5, -11, 6, 22, 11, 1, 1, -22, -3, -1,
1423 3, -1, 3, -3, -23, 4, -4, 1, 23, -1, 1, -1, 1, -2, 2, -1}
1429 {1, 1, 1, 1, 0, 2, 2, 1, 1, 3, 3, 0, 1, 1, 2, 2,
1430 4, 4, 1, 1, 5, 5, 1, 1, 2, 2, 3, 3, 6, 6, 1, 1,
1431 7, 7, 8, 1, 8, 2, 2, 1, 4, 4, 1, 3, 1, 3, 9, 9,
1432 2, 2, 1, 5, 1, 5, 10, 10, 1, 1, 11, 11, 3, 6, 3, 4,
1433 4, 6, 2, 2, 1, 12, 1, 12, 7, 13, 7, 13, 1, 1, 8, 8,
1434 2, 2, 14, 14, 16, 15, 16, 5, 5, 1, 3, 15, 1, 3, 4, 4,
1435 1, 1, 17, 17, 2, 2, 6, 6, 1, 18, 1, 18, 22, 21, 22, 21,
1436 25, 24, 25, 19, 9, 20, 9, 23, 19, 24, 20, 3, 23, 7, 3, 1,
1437 1, 7, 28, 26, 29, 5, 28, 26, 5, 8, 29, 4, 8, 27, 2, 2,
1438 4, 27, 1, 1, 10, 36, 10, 33, 33, 36, 30, 1, 32, 32, 1, 30,
1439 6, 31, 31, 35, 3, 6, 11, 11, 3, 2, 35, 2, 34, 1, 34, 1,
1440 37, 37, 12, 7, 12, 5, 41, 5, 4, 7, 1, 8, 13, 4, 1, 41,
1441 13, 38, 8, 38, 9, 1, 40, 40, 9, 1, 39, 2, 2, 49, 39, 42,
1442 3, 3, 14, 16, 49, 14, 16, 42, 43, 43, 6, 6, 15, 1, 1, 15,
1443 44, 44, 1, 1, 50, 48, 4, 5, 4, 7, 5, 2, 10, 10, 48, 7,
1444 50, 45, 2, 1, 45, 8, 8, 1, 46, 46, 3, 47, 47, 3, 1, 1},
1447 { 1, -1, 2, -2, 0, 1, -1, 3, -3, 1, -1, 0, 4, -4, 2, -2,
1448 1, -1, 5, -5, 1, -1, 6, -6, 3, -3, 2, -2, 1, -1, 7, -7,
1449 1, -1, 1, 8, -1, 4, -4, -8, 2, -2, 9, 3, -9, -3, 1, -1,
1450 5, -5, 10, 2, -10, -2, 1, -1, 11, -11, 1, -1, -4, 2, 4, 3,
1451 -3, -2, 6, -6, 12, 1, -12, -1, 2, 1, -2, -1, 13, -13, 2, -2,
1452 7, -7, 1, -1, 1, 1, -1, 3, -3, 14, 5, -1, -14, -5, 4, -4,
1453 15, -15, 1, -1, 8, -8, -3, 3, 16, 1, -16, -1, 1, 1, -1, -1,
1454 1, 1, -1, 1, 2, 1, -2, 1, -1, -1, -1, 6, -1, 3, -6, 17,
1455 -17, -3, 1, 1, 1, 4, -1, -1, -4, 3, -1, 5, -3, -1, -9, 9,
1456 -5, 1, 18, -18, 2, 1, -2, 1, -1, -1, 1, 19, -1, 1, -19, -1,
1457 4, 1, -1, 1, 7, -4, -2, 2, -7, 10, -1, -10, 1, 20, -1, -20,
1458 1, -1, 2, 4, -2, 5, 1, -5, 6, -4, 21, 4, 2, -6, -21, -1,
1459 -2, 1, -4, -1, -3, 22, -1, 1, 3, -22, -1, 11, -11, 1, 1, 1,
1460 8, -8, 2, 2, -1, -2, -2, -1, 1, -1, -5, 5, 2, 23, -23, -2,
1461 1, -1, 24, -24, -1, -1, 7, 6, -7, 5, -6, 12, -3, 3, 1, -5,
1462 1, 1, -12, 25, -1, -5, 5, -25, -1, 1, 9, 1, -1, -9, 26, -26}
int is_empty
= 1 if this band doesn't contain any data
uint8_t type
macroblock type: 0 - INTRA, 1 - INTER
int num_MBs
number of macroblocks in this tile
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
av_cold int ff_ivi_decode_close(AVCodecContext *avctx)
Close Indeo5 decoder and clean up its context.
This structure describes decoded (raw) audio or video data.
macroblock/block huffman table descriptor
InvTransformPtr * inv_transform
int ff_ivi_dec_huff_desc(GetBitContext *gb, int desc_coded, int which_tab, IVIHuffTab *huff_tab, AVCodecContext *avctx)
Decode a huffman codebook descriptor from the bitstream and select specified huffman table...
void(* release_buffer)(struct AVCodecContext *c, AVFrame *pic)
Called to release buffers which were allocated with get_buffer.
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
int(* decode_pic_hdr)(struct IVI45DecContext *ctx, AVCodecContext *avctx)
static void skip_bits_long(GetBitContext *s, int n)
static void align_get_bits(GetBitContext *s)
const uint8_t ff_ivi_direct_scan_4x4[16]
int(* decode_mb_info)(struct IVI45DecContext *ctx, IVIBandDesc *band, IVITile *tile, AVCodecContext *avctx)
int num_tiles
number of tiles in this band
int dst_buf
buffer index for the currently decoded frame
int16_t * ref_buf
pointer to the reference frame buffer (for motion compensation)
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
uint8_t eob_sym
end of block symbol
void(* ivi_mc_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type)
int16_t * buf
pointer to the output buffer for this band
DSP functions (inverse transforms, motion compensations, wavelet recompostion) for Indeo Video Intera...
static void ivi_output_plane(IVIPlaneDesc *plane, uint8_t *dst, int dst_pitch)
IVITile * tiles
array of tile descriptors
int is_halfpel
precision of the motion compensation: 0 - fullpel, 1 - halfpel
void ff_ivi_mc_4x4_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type)
4x4 block motion compensation with adding delta
int plane
plane number this band belongs to
av_dlog(ac->avr,"%d samples - audio_convert: %s to %s (%s)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic?ac->func_descr_generic:ac->func_descr)
static void ivi_huff_desc_copy(IVIHuffDesc *dst, const IVIHuffDesc *src)
static uint16_t inv_bits(uint16_t val, int nbits)
Reverse "nbits" bits of the value "val" and return the result in the least significant bits...
Macro definitions for various function/variable attributes.
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
RVMapDesc * rv_map
ptr to the RLE table for this band
av_cold int ff_ivi_init_planes(IVIPlaneDesc *planes, const IVIPicConfig *cfg)
Initialize planes (prepares descriptors, allocates buffers etc).
static int ivi_decode_coded_blocks(GetBitContext *gb, IVIBandDesc *band, ivi_mc_func mc, int mv_x, int mv_y, int *prev_dc, int is_intra, int mc_type, uint32_t quant, int offs, AVCodecContext *avctx)
static int ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile, AVCodecContext *avctx)
#define FFSWAP(type, a, b)
VLC * tab
index of one of the predefined tables or "7" for custom one
const uint8_t * frame_data
input frame data pointer
const uint16_t * inter_base
quantization matrix for inter blocks
const uint8_t * data_ptr
ptr to the first byte of the band data
static int ivi_mc(IVIBandDesc *band, ivi_mc_func mc, int offs, int mv_x, int mv_y, int mc_type)
static int ivi_init_tiles(IVIBandDesc *band, IVITile *ref_tile, int p, int b, int t_height, int t_width)
int inherit_mv
tells if motion vector is inherited from reference macroblock
void ff_ivi_mc_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type)
motion compensation without adding delta
static int decode_band(IVI45DecContext *ctx, IVIBandDesc *band, AVCodecContext *avctx)
Decode an Indeo 4 or 5 band.
int16_t * bufs[3]
array of pointers to the band buffers
int pitch
pitch associated with the buffers above
static int get_bits_count(const GetBitContext *s)
uint8_t cbp
coded block pattern
int qdelta_present
tells if Qdelta signal is present in the bitstream (Indeo5 only)
bitstream reader API header.
static VLC_TYPE table_data[117592][2]
IVIPlaneDesc planes[3]
color planes
const uint16_t * intra_base
quantization matrix for intra blocks
const IVIHuffDesc ff_ivi_mb_huff_desc[8]
static macroblock huffman tables
IVIHuffDesc cust_desc
pointer to the table associated with tab_sel
static int get_bits_left(GetBitContext *gb)
const RVMapDesc ff_ivi_rvmap_tabs[9]
Run-value (RLE) tables.
uint8_t corr[61 *2]
rvmap correction pairs
static int ivi_dec_tile_data_size(GetBitContext *gb)
RVMapDesc rvmap_tabs[9]
local corrected copy of the static rvmap tables
int reference
is this picture used as reference The values for this are the same as the MpegEncContext.picture_structure variable, that is 1->top field, 2->bottom field, 3->frame/both fields.
#define IVI_VLC_BITS
max number of bits of the ivi's huffman codes
This file contains structures and macros shared by both Indeo4 and Indeo5 decoders.
int ref_buf
inter frame reference buffer index
DCTransformPtr * dc_transform
void av_log(void *avcl, int level, const char *fmt,...)
#define IVI_NUM_TILES(stride, tile_size)
calculate number of tiles in a stride
void ff_ivi_mc_8x8_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type)
8x8 block motion compensation with adding delta
uint8_t esc_sym
escape symbol
#define IVI_MBs_PER_TILE(tile_width, tile_height, mb_size)
calculate number of macroblocks in a tile
run-value (RLE) table descriptor
int inherit_qdelta
tells if quantiser delta is inherited from reference macroblock
static int ivi_create_huff_from_desc(const IVIHuffDesc *cb, VLC *vlc, int flag)
uint8_t num_bands
number of bands this plane subdivided into
int(* decode_band_hdr)(struct IVI45DecContext *ctx, IVIBandDesc *band, AVCodecContext *avctx)
int ff_ivi_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static int ivi_process_empty_tile(AVCodecContext *avctx, IVIBandDesc *band, IVITile *tile, int32_t mv_scale)
Handle empty tiles by performing data copying and motion compensation respectively.
static int ivi_dc_transform(IVIBandDesc *band, int *prev_dc, int buf_offs, int blk_size)
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame)
Get a buffer for a frame.
IVIMbInfo * mbs
array of macroblock descriptors
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
const uint8_t * inter_scale
quantization coefficient for inter blocks
static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE(*table)[2], int bits, int max_depth)
Parse a vlc code.
static VLC ivi_mb_vlc_tabs[8]
static macroblock Huffman tables
void ff_ivi_init_static_vlc(void)
Initialize static codes used for macroblock and block decoding.
#define INIT_VLC_USE_NEW_STATIC
int8_t q_delta
quant delta
uint32_t frame_size
frame size in bytes
IVIHuffTab mb_vlc
current macroblock table descriptor
int is_2d_trans
1 indicates that the two-dimensional inverse transform is used
void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst, const int dst_pitch)
Haar wavelet recomposition filter for Indeo 4.
int glob_quant
quant base for this band
int linesize[AV_NUM_DATA_POINTERS]
Size, in bytes, of the data for each picture/channel plane.
static av_cold void ivi_free_buffers(IVIPlaneDesc *planes)
main external API structure.
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
int aheight
aligned band height
int is_empty
= 1 if this tile doesn't contain any data
int num_corr
number of correction entries
#define init_vlc(vlc, nb_bits, nb_codes,bits, bits_wrap, bits_size,codes, codes_wrap, codes_size,flags)
information for Indeo tile
int(* is_nonnull_frame)(struct IVI45DecContext *ctx)
const uint8_t ff_ivi_vertical_scan_8x8[64]
Scan patterns shared between indeo4 and indeo5.
av_cold int ff_ivi_init_tiles(IVIPlaneDesc *planes, int tile_width, int tile_height)
Initialize tile and macroblock descriptors.
static unsigned int get_bits1(GetBitContext *s)
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
void(* switch_buffers)(struct IVI45DecContext *ctx)
IVIBandDesc * bands
array of band descriptors
int32_t checksum
for debug purposes
int rvmap_sel
rvmap table selector
static int ivi_huff_desc_cmp(const IVIHuffDesc *desc1, const IVIHuffDesc *desc2)
int8_t mv_x
motion vector (x component)
int8_t mv_y
motion vector (y component)
int mb_size
macroblock size
huffman codebook descriptor
static unsigned int get_bits_long(GetBitContext *s, int n)
Read 0-32 bits.
IVIMbInfo * ref_mbs
ptr to the macroblock descriptors of the reference tile
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
void ff_ivi_mc_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type)
4x4 block motion compensation without adding delta
common internal api header.
#define AVERROR_INVALIDDATA
VLC cust_tab
custom Huffman codebook descriptor
#define AVERROR_PATCHWELCOME
const uint8_t * scan
ptr to the scan pattern
VLC_TYPE(* table)[2]
code, bits
static int ivi_scale_mv(int mv, int mv_scale)
scale motion vector
const IVIHuffDesc ff_ivi_blk_huff_desc[8]
static block huffman tables
information for Indeo macroblock (16x16, 8x8 or 4x4)
IVIHuffTab blk_vlc
vlc table for decoding block data
const uint8_t ff_ivi_horizontal_scan_8x8[64]
const uint8_t * intra_scale
quantization coefficient for intra blocks
const uint8_t ff_reverse[256]
color plane (luma or chroma) information
static VLC ivi_blk_vlc_tabs[8]
static block Huffman tables
uint32_t buf_offs
address in the output buffer for this mb
#define IVI_TOSIGNED(val)
convert unsigned values into signed ones (the sign is in the LSB)
void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst, const int dst_pitch)
5/3 wavelet recomposition filter for Indeo5
information for Indeo wavelet band
This structure stores compressed data.
void ff_free_vlc(VLC *vlc)
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
#define IVI5_IS_PROTECTED
int data_size
size of the data in bytes
if(!(ptr_align%ac->ptr_align)&&samples_align >=aligned_len)