29 #define BITSTREAM_READER_LE
47 {8, {0, 4, 5, 4, 4, 4, 6, 6}},
48 {12, {0, 2, 2, 3, 3, 3, 3, 5, 3, 2, 2, 2}},
49 {12, {0, 2, 3, 4, 3, 3, 3, 3, 4, 3, 2, 2}},
50 {12, {0, 3, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2}},
51 {13, {0, 4, 4, 3, 3, 3, 3, 2, 3, 3, 2, 1, 1}},
52 {9, {0, 4, 4, 4, 4, 3, 3, 3, 2}},
53 {10, {0, 4, 4, 4, 4, 3, 3, 2, 2, 2}},
54 {12, {0, 4, 4, 4, 3, 3, 2, 3, 2, 2, 2, 2}}
59 {10, {1, 2, 3, 4, 4, 7, 5, 5, 4, 1}},
60 {11, {2, 3, 4, 4, 4, 7, 5, 4, 3, 3, 2}},
61 {12, {2, 4, 5, 5, 5, 5, 6, 4, 4, 3, 1, 1}},
62 {13, {3, 3, 4, 4, 5, 6, 6, 4, 4, 3, 2, 1, 1}},
63 {11, {3, 4, 4, 5, 5, 5, 6, 5, 4, 2, 2}},
64 {13, {3, 4, 5, 5, 5, 5, 6, 4, 3, 3, 2, 1, 1}},
65 {13, {3, 4, 5, 5, 5, 6, 5, 4, 3, 3, 2, 1, 1}},
66 {9, {3, 4, 4, 5, 5, 5, 6, 5, 5}}
73 uint32_t pitch,
int mc_type);
76 int offs,
int mv_x,
int mv_y,
int mc_type)
78 int ref_offs = offs + mv_y * band->
pitch + mv_x;
81 int ref_size = (mc_type > 1) * band->
pitch + (mc_type & 1);
83 if (offs < 0 || ref_offs < 0 || !band->ref_buf)
85 if (buf_size - min_size < offs)
87 if (buf_size - min_size - ref_size < ref_offs)
99 static uint16_t
inv_bits(uint16_t val,
int nbits)
123 int pos, i, j, codes_per_row, prefix, not_last_row;
124 uint16_t codewords[256];
129 for (i = 0; i < cb->
num_rows; i++) {
130 codes_per_row = 1 << cb->
xbits[i];
131 not_last_row = (i != cb->
num_rows - 1);
132 prefix = ((1 << i) - 1) << (cb->
xbits[i] + not_last_row);
134 for (j = 0; j < codes_per_row; j++) {
138 bits[pos] = i + cb->
xbits[i] + not_last_row;
142 codewords[pos] =
inv_bits((prefix | j), bits[pos]);
159 static int initialized_vlcs = 0;
161 if (initialized_vlcs)
163 for (i = 0; i < 8; i++) {
164 ivi_mb_vlc_tabs[i].
table = table_data + i * 2 * 8192;
167 &ivi_mb_vlc_tabs[i], 1);
168 ivi_blk_vlc_tabs[i].
table = table_data + (i * 2 + 1) * 8192;
171 &ivi_blk_vlc_tabs[i], 1);
173 initialized_vlcs = 1;
210 huff_tab->
tab = (which_tab) ? &ivi_blk_vlc_tabs[7]
211 : &ivi_mb_vlc_tabs [7];
224 for (i = 0; i < new_huff.
num_rows; i++)
239 "Error while initializing custom vlc table!\n");
246 huff_tab->
tab = (which_tab) ? &ivi_blk_vlc_tabs[huff_tab->
tab_sel]
247 : &ivi_mb_vlc_tabs [huff_tab->
tab_sel];
262 for (p = 0; p < 3; p++) {
263 for (b = 0; b < planes[p].
num_bands; b++) {
264 av_freep(&planes[p].bands[b].bufs[0]);
265 av_freep(&planes[p].bands[b].bufs[1]);
266 av_freep(&planes[p].bands[b].bufs[2]);
268 if (planes[p].bands[b].blk_vlc.cust_tab.table)
271 av_freep(&planes[p].bands[b].tiles[t].mbs);
272 av_freep(&planes[p].bands[b].tiles);
282 uint32_t b_width, b_height, align_fac, width_aligned,
283 height_aligned, buf_size;
302 for (p = 0; p < 3; p++) {
304 if (!planes[p].bands)
311 : (planes[p].
width + 1) >> 1;
313 : (planes[p].
height + 1) >> 1;
317 align_fac = p ? 8 : 16;
318 width_aligned =
FFALIGN(b_width , align_fac);
319 height_aligned =
FFALIGN(b_height, align_fac);
320 buf_size = width_aligned * height_aligned *
sizeof(int16_t);
322 for (b = 0; b < planes[p].
num_bands; b++) {
323 band = &planes[p].
bands[
b];
326 band->
width = b_width;
328 band->
pitch = width_aligned;
329 band->
aheight = height_aligned;
332 if (!band->
bufs[0] || !band->
bufs[1])
350 int p,
int b,
int t_height,
int t_width)
355 for (y = 0; y < band->
height; y += t_height) {
356 for (x = 0; x < band->
width; x += t_width) {
387 int tile_width,
int tile_height)
389 int p,
b, x_tiles, y_tiles, t_width, t_height, ret;
392 for (p = 0; p < 3; p++) {
393 t_width = !p ? tile_width : (tile_width + 3) >> 2;
394 t_height = !p ? tile_height : (tile_height + 3) >> 2;
396 if (!p && planes[0].num_bands == 4) {
401 for (b = 0; b < planes[p].
num_bands; b++) {
402 band = &planes[p].
bands[
b];
415 p, b, t_height, t_width);
455 int min_size = (blk_size - 1) * band->
pitch + blk_size;
461 if (min_size > buf_size)
465 band->
pitch, blk_size);
472 int *prev_dc,
int is_intra,
int mc_type,
473 uint32_t
quant,
int offs,
480 uint32_t sym = 0, lo, hi, q;
483 int num_coeffs = blk_size * blk_size;
484 int col_mask = blk_size - 1;
490 if (min_size > buf_size)
499 memset(trvec, 0, num_coeffs *
sizeof(trvec[0]));
501 memset(col_flags, 0,
sizeof(col_flags));
502 while (scan_pos <= num_coeffs) {
526 if (scan_pos >= num_coeffs || scan_pos < 0)
528 pos = band->
scan[scan_pos];
531 av_dlog(avctx,
"Val = 0 encountered!\n");
533 q = (base_tab[pos] *
quant) >> 9;
535 val = val * q +
FFSIGN(val) * (((q ^ 1) - 1) >> 1);
538 col_flags[pos & col_mask] |= !!val;
541 if (scan_pos < 0 || scan_pos >= num_coeffs && sym != rvmap->
eob_sym)
546 *prev_dc += trvec[0];
548 col_flags[0] |= !!*prev_dc;
553 band->
pitch, col_flags);
557 return ivi_mc(band, mc, offs, mv_x, mv_y, mc_type);
575 int mbn,
blk, num_blocks, blk_size, ret, is_intra, mc_type = 0;
576 int mv_x = 0, mv_y = 0;
578 uint32_t cbp,
quant, buf_offs;
587 num_blocks = (band->
mb_size != blk_size) ? 4 : 1;
596 for (mbn = 0, mb = tile->
mbs; mbn < tile->num_MBs; mb++, mbn++) {
597 is_intra = !mb->
type;
603 quant = av_clip(quant, 0, 31);
605 quant = av_clip(quant, 0, 23);
609 quant = scale_tab[
quant];
615 mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
620 int dmv_x, dmv_y, cx, cy;
627 if (mb->
xpos + dmv_x < 0 ||
629 mb->
ypos + dmv_y < 0 ||
636 for (blk = 0; blk < num_blocks; blk++) {
639 buf_offs += blk_size;
640 }
else if (blk == 2) {
641 buf_offs -= blk_size;
642 buf_offs += blk_size * band->
pitch;
647 mv_x, mv_y, &prev_dc, is_intra,
648 mc_type, quant, buf_offs, avctx);
660 ret =
ivi_mc(band, mc_no_delta_func, buf_offs,
661 mv_x, mv_y, mc_type);
688 int x, y, need_mc, mbn,
blk, num_blocks, mv_x, mv_y, mc_type;
689 int offs, mb_offset, row_offset, ret;
697 "parameters %d in ivi_process_empty_tile()\n",
753 for (mbn = 0, mb = tile->
mbs; mbn < tile->num_MBs; mb++, mbn++) {
759 mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
764 for (blk = 0; blk < num_blocks; blk++) {
767 ret =
ivi_mc(band, mc_no_delta_func, offs,
768 mv_x, mv_y, mc_type);
777 for (y = 0; y < tile->
height; y++) {
778 memcpy(dst, src, tile->
width*
sizeof(band->
buf[0]));
789 static uint16_t ivi_calc_band_checksum(
IVIBandDesc *band)
792 int16_t *src, checksum;
797 for (y = 0; y < band->
height; src += band->
pitch, y++)
798 for (x = 0; x < band->
width; x++)
817 const int16_t *src = plane->
bands[0].
buf;
823 for (y = 0; y < plane->
height; y++) {
824 for (x = 0; x < plane->
width; x++)
825 dst[x] = av_clip_uint8(src[x] + 128);
842 int result, i,
t, idx1, idx2, pos;
868 for (i = 0; i < band->
num_corr; i++) {
869 idx1 = band->
corr[i * 2];
870 idx2 = band->
corr[i * 2 + 1];
891 av_dlog(avctx,
"Empty tile encountered!\n");
906 "Corrupted tile data encountered!\n");
912 "Tile data_size mismatch!\n");
923 for (i = band->
num_corr-1; i >= 0; i--) {
924 idx1 = band->
corr[i*2];
925 idx2 = band->
corr[i*2+1];
932 uint16_t chksum = ivi_calc_band_checksum(band);
935 "Band checksum mismatch! Plane %d, band %d, "
936 "received: %x, calculated: %x\n",
953 int buf_size = avpkt->
size;
963 "Error while decoding picture header: %d\n", result);
984 for (p = 0; p < 3; p++) {
989 "Error while decoding band: %d, plane: %d\n", b, p);
998 for (p = 0; p < 3; p++) {
1057 #if IVI4_STREAM_ANALYSER
1061 if (ctx->uses_tiling)
1063 if (ctx->has_b_frames)
1065 if (ctx->has_transp)
1069 if (ctx->uses_fullpel)
1082 0, 8, 16, 24, 32, 40, 48, 56,
1083 1, 9, 17, 25, 33, 41, 49, 57,
1084 2, 10, 18, 26, 34, 42, 50, 58,
1085 3, 11, 19, 27, 35, 43, 51, 59,
1086 4, 12, 20, 28, 36, 44, 52, 60,
1087 5, 13, 21, 29, 37, 45, 53, 61,
1088 6, 14, 22, 30, 38, 46, 54, 62,
1089 7, 15, 23, 31, 39, 47, 55, 63
1093 0, 1, 2, 3, 4, 5, 6, 7,
1094 8, 9, 10, 11, 12, 13, 14, 15,
1095 16, 17, 18, 19, 20, 21, 22, 23,
1096 24, 25, 26, 27, 28, 29, 30, 31,
1097 32, 33, 34, 35, 36, 37, 38, 39,
1098 40, 41, 42, 43, 44, 45, 46, 47,
1099 48, 49, 50, 51, 52, 53, 54, 55,
1100 56, 57, 58, 59, 60, 61, 62, 63
1104 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
1116 {1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 1, 1, 1, 1, 3, 3,
1117 1, 1, 2, 2, 1, 1, 4, 4, 1, 1, 1, 1, 2, 2, 5, 5,
1118 1, 1, 3, 3, 1, 1, 6, 6, 1, 2, 1, 2, 7, 7, 1, 1,
1119 8, 8, 1, 1, 4, 2, 1, 4, 2, 1, 3, 3, 1, 1, 1, 9,
1120 9, 1, 2, 1, 2, 1, 5, 5, 1, 1, 10, 10, 1, 1, 3, 3,
1121 2, 2, 1, 1, 11, 11, 6, 4, 4, 1, 6, 1, 2, 1, 2, 12,
1122 8, 1, 12, 7, 8, 7, 1, 16, 1, 16, 1, 3, 3, 13, 1, 13,
1123 2, 2, 1, 15, 1, 5, 14, 15, 1, 5, 14, 1, 17, 8, 17, 8,
1124 1, 4, 4, 2, 2, 1, 25, 25, 24, 24, 1, 3, 1, 3, 1, 8,
1125 6, 7, 6, 1, 18, 8, 18, 1, 7, 23, 2, 2, 23, 1, 1, 21,
1126 22, 9, 9, 22, 19, 1, 21, 5, 19, 5, 1, 33, 20, 33, 20, 8,
1127 4, 4, 1, 32, 2, 2, 8, 3, 32, 26, 3, 1, 7, 7, 26, 6,
1128 1, 6, 1, 1, 16, 1, 10, 1, 10, 2, 16, 29, 28, 2, 29, 28,
1129 1, 27, 5, 8, 5, 27, 1, 8, 3, 7, 3, 31, 41, 31, 1, 41,
1130 6, 1, 6, 7, 4, 4, 1, 1, 2, 1, 2, 11, 34, 30, 11, 1,
1131 30, 15, 15, 34, 36, 40, 36, 40, 35, 35, 37, 37, 39, 39, 38, 38},
1134 { 1, -1, 0, 2, -2, 0, 3, -3, 1, -1, 4, -4, 5, -5, 1, -1,
1135 6, -6, 2, -2, 7, -7, 1, -1, 8, -8, 9, -9, 3, -3, 1, -1,
1136 10, -10, 2, -2, 11, -11, 1, -1, 12, 4, -12, -4, 1, -1, 13, -13,
1137 1, -1, 14, -14, 2, 5, 15, -2, -5, -15, -3, 3, 16, -16, 17, 1,
1138 -1, -17, 6, 18, -6, -18, 2, -2, 19, -19, 1, -1, 20, -20, 4, -4,
1139 7, -7, 21, -21, 1, -1, 2, 3, -3, 22, -2, -22, 8, 23, -8, 1,
1140 2, -23, -1, 2, -2, -2, 24, 1, -24, -1, 25, 5, -5, 1, -25, -1,
1141 9, -9, 26, 1, -26, 3, 1, -1, 27, -3, -1, -27, 1, 3, -1, -3,
1142 28, -4, 4, 10, -10, -28, 1, -1, 1, -1, 29, 6, -29, -6, 30, -4,
1143 3, 3, -3, -30, 1, 4, -1, 31, -3, 1, 11, -11, -1, -31, 32, -1,
1144 -1, 2, -2, 1, 1, -32, 1, 4, -1, -4, 33, -1, 1, 1, -1, 5,
1145 5, -5, -33, -1, -12, 12, -5, -7, 1, 1, 7, 34, 4, -4, -1, 4,
1146 -34, -4, 35, 36, -2, -35, -2, -36, 2, 13, 2, -1, 1, -13, 1, -1,
1147 37, 1, -5, 6, 5, -1, 38, -6, -8, 5, 8, -1, 1, 1, -37, -1,
1148 5, 39, -5, -5, 6, -6, -38, -39, -14, 40, 14, 2, 1, 1, -2, -40,
1149 -1, -2, 2, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, -1, 1, -1}
1155 {0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 8, 6, 8, 7,
1156 7, 9, 9, 10, 10, 11, 11, 1, 12, 1, 12, 13, 13, 16, 14, 16,
1157 14, 15, 15, 17, 17, 18, 0, 18, 19, 20, 21, 19, 22, 21, 20, 22,
1158 25, 24, 2, 25, 24, 23, 23, 2, 26, 28, 26, 28, 29, 27, 29, 27,
1159 33, 33, 1, 32, 1, 3, 32, 30, 36, 3, 36, 30, 31, 31, 35, 34,
1160 37, 41, 34, 35, 37, 4, 41, 4, 49, 8, 8, 49, 40, 38, 5, 38,
1161 40, 39, 5, 39, 42, 43, 42, 7, 57, 6, 43, 44, 6, 50, 7, 44,
1162 57, 48, 50, 48, 45, 45, 46, 47, 51, 46, 47, 58, 1, 51, 58, 1,
1163 52, 59, 53, 9, 52, 55, 55, 59, 53, 56, 54, 56, 54, 9, 64, 64,
1164 60, 63, 60, 63, 61, 62, 61, 62, 2, 10, 2, 10, 11, 1, 11, 13,
1165 12, 1, 12, 13, 16, 16, 8, 8, 14, 3, 3, 15, 14, 15, 4, 4,
1166 1, 17, 17, 5, 1, 7, 7, 5, 6, 1, 2, 2, 6, 22, 1, 25,
1167 21, 22, 8, 24, 1, 21, 25, 24, 8, 18, 18, 23, 9, 20, 23, 33,
1168 29, 33, 20, 1, 19, 1, 29, 36, 9, 36, 19, 41, 28, 57, 32, 3,
1169 28, 3, 1, 27, 49, 49, 1, 32, 26, 26, 2, 4, 4, 7, 57, 41,
1170 2, 7, 10, 5, 37, 16, 10, 27, 8, 8, 13, 16, 37, 13, 1, 5},
1173 {0, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1,
1174 -1, 1, -1, 1, -1, 1, -1, 2, 1, -2, -1, 1, -1, 1, 1, -1,
1175 -1, 1, -1, 1, -1, 1, 0, -1, 1, 1, 1, -1, 1, -1, -1, -1,
1176 1, 1, 2, -1, -1, 1, -1, -2, 1, 1, -1, -1, 1, 1, -1, -1,
1177 1, -1, 3, 1, -3, 2, -1, 1, 1, -2, -1, -1, -1, 1, 1, 1,
1178 1, 1, -1, -1, -1, 2, -1, -2, 1, 2, -2, -1, 1, 1, 2, -1,
1179 -1, 1, -2, -1, 1, 1, -1, 2, 1, 2, -1, 1, -2, -1, -2, -1,
1180 -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, 4, -1, -1, -4,
1181 1, 1, 1, 2, -1, -1, 1, -1, -1, 1, -1, -1, 1, -2, 1, -1,
1182 1, 1, -1, -1, 1, 1, -1, -1, 3, 2, -3, -2, 2, 5, -2, 2,
1183 2, -5, -2, -2, -2, 2, -3, 3, 2, 3, -3, 2, -2, -2, 3, -3,
1184 6, 2, -2, 3, -6, 3, -3, -3, 3, 7, -4, 4, -3, 2, -7, 2,
1185 2, -2, -4, 2, 8, -2, -2, -2, 4, 2, -2, 2, 3, 2, -2, -2,
1186 2, 2, -2, -8, -2, 9, -2, 2, -3, -2, 2, -2, 2, 2, 2, 4,
1187 -2, -4, 10, 2, 2, -2, -9, -2, 2, -2, 5, 4, -4, 4, -2, 2,
1188 -5, -4, -3, 4, 2, -3, 3, -2, -5, 5, 3, 3, -2, -3, -10, -4}
1194 {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 0, 1, 1, 5, 5,
1195 2, 2, 6, 6, 7, 7, 1, 8, 1, 8, 3, 3, 9, 9, 1, 2,
1196 2, 1, 4, 10, 4, 10, 11, 11, 1, 5, 12, 12, 1, 5, 13, 13,
1197 3, 3, 6, 6, 2, 2, 14, 14, 16, 16, 15, 7, 15, 8, 8, 7,
1198 1, 1, 17, 17, 4, 4, 1, 1, 18, 18, 2, 2, 5, 5, 25, 3,
1199 9, 3, 25, 9, 19, 24, 19, 24, 1, 21, 20, 1, 21, 22, 20, 22,
1200 23, 23, 8, 6, 33, 6, 8, 33, 7, 7, 26, 26, 1, 32, 1, 32,
1201 28, 4, 28, 10, 29, 27, 27, 10, 41, 4, 29, 2, 2, 41, 36, 31,
1202 49, 31, 34, 30, 34, 36, 30, 35, 1, 49, 11, 5, 35, 11, 1, 3,
1203 3, 5, 37, 37, 8, 40, 8, 40, 12, 12, 42, 42, 1, 38, 16, 57,
1204 1, 6, 16, 39, 38, 6, 7, 7, 13, 13, 39, 43, 2, 43, 57, 2,
1205 50, 9, 44, 9, 50, 4, 15, 48, 44, 4, 1, 15, 48, 14, 14, 1,
1206 45, 45, 8, 3, 5, 8, 51, 47, 3, 46, 46, 47, 5, 51, 1, 17,
1207 17, 58, 1, 58, 2, 52, 52, 2, 53, 7, 59, 6, 6, 56, 53, 55,
1208 7, 55, 1, 54, 59, 56, 54, 10, 1, 10, 4, 60, 1, 60, 8, 4,
1209 8, 64, 64, 61, 1, 63, 3, 63, 62, 61, 5, 11, 5, 3, 11, 62},
1212 { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 0, 3, -3, 1, -1,
1213 2, -2, 1, -1, 1, -1, 4, 1, -4, -1, 2, -2, 1, -1, 5, 3,
1214 -3, -5, 2, 1, -2, -1, 1, -1, 6, 2, 1, -1, -6, -2, 1, -1,
1215 3, -3, 2, -2, 4, -4, 1, -1, 1, -1, 1, 2, -1, 2, -2, -2,
1216 7, -7, 1, -1, 3, -3, 8, -8, 1, -1, 5, -5, 3, -3, 1, 4,
1217 2, -4, -1, -2, 1, 1, -1, -1, 9, 1, 1, -9, -1, 1, -1, -1,
1218 1, -1, 3, -3, 1, 3, -3, -1, 3, -3, 1, -1, 10, 1, -10, -1,
1219 1, 4, -1, 2, 1, -1, 1, -2, 1, -4, -1, 6, -6, -1, 1, 1,
1220 1, -1, 1, 1, -1, -1, -1, 1, 11, -1, -2, 4, -1, 2, -11, 5,
1221 -5, -4, -1, 1, 4, 1, -4, -1, -2, 2, 1, -1, 12, 1, -2, 1,
1222 -12, 4, 2, 1, -1, -4, 4, -4, 2, -2, -1, 1, 7, -1, -1, -7,
1223 -1, -3, 1, 3, 1, 5, 2, 1, -1, -5, 13, -2, -1, 2, -2, -13,
1224 1, -1, 5, 6, 5, -5, 1, 1, -6, 1, -1, -1, -5, -1, 14, 2,
1225 -2, 1, -14, -1, 8, 1, -1, -8, 1, 5, 1, 5, -5, 1, -1, 1,
1226 -5, -1, 15, 1, -1, -1, -1, 3, -15, -3, 6, 1, 16, -1, 6, -6,
1227 -6, 1, -1, 1, -16, 1, 7, -1, 1, -1, -6, -3, 6, -7, 3, -1}
1233 {0, 1, 1, 2, 2, 3, 3, 4, 4, 1, 1, 5, 5, 6, 6, 7,
1234 7, 8, 8, 9, 9, 2, 2, 10, 10, 1, 1, 11, 11, 12, 12, 3,
1235 3, 13, 13, 0, 14, 14, 16, 15, 16, 15, 4, 4, 17, 1, 17, 1,
1236 5, 5, 18, 18, 2, 2, 6, 6, 8, 19, 7, 8, 7, 19, 20, 20,
1237 21, 21, 22, 24, 22, 24, 23, 23, 1, 1, 25, 25, 3, 3, 26, 26,
1238 9, 9, 27, 27, 28, 28, 33, 29, 4, 33, 29, 1, 4, 1, 32, 32,
1239 2, 2, 31, 10, 30, 10, 30, 31, 34, 34, 5, 5, 36, 36, 35, 41,
1240 35, 11, 41, 11, 37, 1, 8, 8, 37, 6, 1, 6, 40, 7, 7, 40,
1241 12, 38, 12, 39, 39, 38, 49, 13, 49, 13, 3, 42, 3, 42, 16, 16,
1242 43, 43, 14, 14, 1, 1, 44, 15, 44, 15, 2, 2, 57, 48, 50, 48,
1243 57, 50, 4, 45, 45, 4, 46, 47, 47, 46, 1, 51, 1, 17, 17, 51,
1244 8, 9, 9, 5, 58, 8, 58, 5, 52, 52, 55, 56, 53, 56, 55, 59,
1245 59, 53, 54, 1, 6, 54, 7, 7, 6, 1, 2, 3, 2, 3, 64, 60,
1246 60, 10, 10, 64, 61, 62, 61, 63, 1, 63, 62, 1, 18, 24, 18, 4,
1247 25, 4, 8, 21, 21, 1, 24, 22, 25, 22, 8, 11, 19, 11, 23, 1,
1248 20, 23, 19, 20, 5, 12, 5, 1, 16, 2, 12, 13, 2, 13, 1, 16},
1251 { 0, 1, -1, 1, -1, 1, -1, 1, -1, 2, -2, 1, -1, 1, -1, 1,
1252 -1, 1, -1, 1, -1, 2, -2, 1, -1, 3, -3, 1, -1, 1, -1, 2,
1253 -2, 1, -1, 0, 1, -1, 1, 1, -1, -1, 2, -2, 1, 4, -1, -4,
1254 2, -2, 1, -1, -3, 3, 2, -2, 2, 1, 2, -2, -2, -1, 1, -1,
1255 1, -1, 1, 1, -1, -1, 1, -1, 5, -5, 1, -1, 3, -3, 1, -1,
1256 2, -2, 1, -1, 1, -1, 1, 1, 3, -1, -1, 6, -3, -6, -1, 1,
1257 4, -4, 1, 2, 1, -2, -1, -1, 1, -1, 3, -3, 1, -1, 1, 1,
1258 -1, 2, -1, -2, 1, 7, -3, 3, -1, 3, -7, -3, 1, -3, 3, -1,
1259 2, 1, -2, 1, -1, -1, 1, 2, -1, -2, -4, -1, 4, 1, 2, -2,
1260 1, -1, -2, 2, 8, -8, -1, 2, 1, -2, -5, 5, 1, -1, -1, 1,
1261 -1, 1, 4, -1, 1, -4, -1, -1, 1, 1, 9, 1, -9, 2, -2, -1,
1262 -4, 3, -3, -4, -1, 4, 1, 4, 1, -1, 1, -1, 1, 1, -1, 1,
1263 -1, -1, -1, 10, 4, 1, 4, -4, -4, -10, 6, 5, -6, -5, 1, -1,
1264 1, 3, -3, -1, 1, -1, -1, -1, 11, 1, 1, -11, -2, -2, 2, 5,
1265 -2, -5, -5, 2, -2, 12, 2, -2, 2, 2, 5, -3, -2, 3, -2, -12,
1266 -2, 2, 2, 2, -5, 3, 5, 13, -3, 7, -3, -3, -7, 3, -13, 3}
1272 {0, 1, 1, 1, 2, 2, 1, 3, 3, 1, 1, 1, 4, 4, 1, 5,
1273 2, 1, 5, 2, 1, 1, 6, 6, 1, 1, 1, 1, 1, 7, 3, 1,
1274 2, 3, 0, 1, 2, 7, 1, 1, 1, 8, 1, 1, 8, 1, 1, 1,
1275 9, 1, 9, 1, 2, 1, 1, 2, 1, 1, 10, 4, 1, 10, 1, 4,
1276 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 2, 1, 5, 1, 1, 1,
1277 2, 5, 1, 11, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1278 2, 1, 6, 1, 6, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 12,
1279 3, 1, 12, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 1, 1,
1280 4, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, 1, 2, 1,
1281 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 5,
1282 1, 1, 1, 1, 1, 7, 1, 7, 1, 1, 2, 3, 1, 1, 1, 1,
1283 5, 1, 1, 1, 1, 1, 1, 2, 13, 1, 1, 1, 1, 1, 1, 1,
1284 1, 1, 1, 1, 1, 1, 1, 1, 13, 2, 1, 1, 4, 1, 1, 1,
1285 3, 1, 6, 1, 1, 1, 14, 1, 1, 1, 1, 1, 14, 6, 1, 1,
1286 1, 1, 15, 2, 4, 1, 2, 3, 15, 1, 1, 1, 8, 1, 1, 8,
1287 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1},
1290 { 0, 1, -1, 2, 1, -1, -2, 1, -1, 3, -3, 4, 1, -1, -4, 1,
1291 2, 5, -1, -2, -5, 6, 1, -1, -6, 7, -7, 8, -8, 1, 2, 9,
1292 3, -2, 0, -9, -3, -1, 10, -10, 11, 1, -11, 12, -1, -12, 13, -13,
1293 1, 14, -1, -14, 4, 15, -15, -4, 16, -16, 1, 2, 17, -1, -17, -2,
1294 18, -18, 19, -19, 20, 3, -20, 21, -21, -3, 5, 22, 2, -22, -23, 23,
1295 -5, -2, 24, 1, -24, -1, 25, -25, 26, -26, -27, 27, 28, 29, -28, -29,
1296 6, 30, 2, -31, -2, -30, 31, -6, -32, 32, 33, -33, 34, -35, -34, 1,
1297 4, -36, -1, 35, 37, 36, 7, -37, 38, -4, -38, 39, 41, 40, -40, -39,
1298 3, 42, -43, -41, -7, -42, 43, -3, 44, -44, 45, -45, 46, 47, 8, -47,
1299 -48, -46, 50, -50, 48, 49, 51, -49, 52, -52, 5, -51, -8, -53, 53, 3,
1300 -56, 56, 55, 54, -54, 2, 60, -2, -55, 58, 9, -5, 59, 57, -57, -63,
1301 -3, -58, -60, -61, 61, -59, -62, -9, 1, 64, 62, 69, -64, 63, 65, -67,
1302 -68, 66, -65, 68, -66, -69, 67, -70, -1, 10, 71, -71, 4, 73, 72, 70,
1303 6, -76, -3, 74, -78, -74, 1, 78, 80, -72, -75, 76, -1, 3, -73, 79,
1304 75, 77, 1, 11, -4, -79, -10, -6, -1, -77, -83, -80, 2, 81, -84, -2,
1305 83, -81, 82, -82, 84, -87, -86, 85, -11, -85, 86, -89, 87, -88, 88, 89}
1311 {1, 1, 0, 2, 1, 2, 1, 3, 3, 1, 1, 4, 4, 2, 2, 1,
1312 1, 5, 5, 6, 1, 6, 1, 7, 7, 3, 3, 2, 8, 2, 8, 1,
1313 1, 0, 9, 9, 1, 1, 10, 4, 10, 4, 11, 11, 2, 1, 2, 1,
1314 12, 12, 3, 3, 1, 1, 13, 5, 5, 13, 14, 1, 1, 14, 2, 2,
1315 6, 6, 15, 1, 1, 15, 16, 4, 7, 16, 4, 7, 1, 1, 3, 3,
1316 8, 8, 2, 2, 1, 1, 17, 17, 1, 1, 18, 18, 5, 5, 2, 2,
1317 1, 1, 9, 19, 9, 19, 20, 3, 3, 20, 1, 10, 21, 1, 10, 4,
1318 4, 21, 22, 6, 6, 22, 1, 1, 23, 24, 2, 2, 23, 24, 11, 1,
1319 1, 11, 7, 25, 7, 1, 1, 25, 8, 8, 3, 26, 3, 1, 12, 2,
1320 2, 26, 1, 12, 5, 5, 27, 4, 1, 4, 1, 27, 28, 1, 28, 13,
1321 1, 13, 2, 29, 2, 1, 32, 6, 1, 30, 14, 29, 14, 6, 3, 31,
1322 3, 1, 30, 1, 32, 31, 33, 9, 33, 1, 1, 7, 9, 7, 2, 2,
1323 1, 1, 4, 36, 34, 4, 5, 10, 10, 5, 34, 1, 1, 35, 8, 8,
1324 36, 3, 35, 1, 15, 3, 2, 1, 16, 15, 16, 2, 37, 1, 37, 1,
1325 1, 1, 6, 6, 38, 1, 38, 11, 1, 39, 39, 40, 11, 2, 41, 4,
1326 40, 1, 2, 4, 1, 1, 1, 41, 3, 1, 3, 1, 5, 7, 5, 7},
1329 { 1, -1, 0, 1, 2, -1, -2, 1, -1, 3, -3, 1, -1, 2, -2, 4,
1330 -4, 1, -1, 1, 5, -1, -5, 1, -1, 2, -2, 3, 1, -3, -1, 6,
1331 -6, 0, 1, -1, 7, -7, 1, 2, -1, -2, 1, -1, 4, 8, -4, -8,
1332 1, -1, 3, -3, 9, -9, 1, 2, -2, -1, 1, 10, -10, -1, 5, -5,
1333 2, -2, 1, 11, -11, -1, 1, 3, 2, -1, -3, -2, 12, -12, 4, -4,
1334 2, -2, -6, 6, 13, -13, 1, -1, 14, -14, 1, -1, 3, -3, 7, -7,
1335 15, -15, 2, 1, -2, -1, 1, 5, -5, -1, -16, 2, 1, 16, -2, 4,
1336 -4, -1, 1, 3, -3, -1, 17, -17, 1, 1, -8, 8, -1, -1, 2, 18,
1337 -18, -2, 3, 1, -3, 19, -19, -1, 3, -3, 6, 1, -6, 20, 2, 9,
1338 -9, -1, -20, -2, 4, -4, 1, -5, 21, 5, -21, -1, 1, -22, -1, 2,
1339 22, -2, 10, 1, -10, 23, 1, 4, -23, 1, 2, -1, -2, -4, -7, 1,
1340 7, -24, -1, 24, -1, -1, 1, 3, -1, -25, 25, 4, -3, -4, 11, -11,
1341 26, -26, 6, 1, 1, -6, -5, -3, 3, 5, -1, -27, 27, 1, 4, -4,
1342 -1, -8, -1, 28, 2, 8, -12, -28, -2, -2, 2, 12, -1, 29, 1, -29,
1343 30, -30, 5, -5, 1, -31, -1, 3, 31, -1, 1, 1, -3, -13, 1, -7,
1344 -1, -32, 13, 7, 32, 33, -33, -1, -9, -34, 9, 34, -6, 5, 6, -5}
1350 {1, 1, 0, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 0, 2, 2,
1351 4, 1, 4, 1, 1, 1, 5, 5, 1, 1, 6, 6, 2, 2, 1, 1,
1352 3, 3, 7, 7, 1, 1, 8, 8, 1, 1, 2, 2, 1, 9, 1, 9,
1353 4, 4, 10, 1, 1, 10, 1, 1, 11, 11, 3, 3, 1, 2, 1, 2,
1354 1, 1, 12, 12, 5, 5, 1, 1, 13, 1, 1, 13, 2, 2, 1, 1,
1355 6, 6, 1, 1, 4, 14, 4, 14, 3, 1, 3, 1, 1, 1, 15, 7,
1356 15, 2, 2, 7, 1, 1, 1, 8, 1, 8, 16, 16, 1, 1, 1, 1,
1357 2, 1, 1, 2, 1, 1, 3, 5, 5, 3, 4, 1, 1, 4, 1, 1,
1358 17, 17, 9, 1, 1, 9, 2, 2, 1, 1, 10, 10, 1, 6, 1, 1,
1359 6, 18, 1, 1, 18, 1, 1, 1, 2, 2, 3, 1, 3, 1, 1, 1,
1360 4, 1, 19, 1, 19, 7, 1, 1, 20, 1, 4, 20, 1, 7, 11, 2,
1361 1, 11, 21, 2, 8, 5, 1, 8, 1, 5, 21, 1, 1, 1, 22, 1,
1362 1, 22, 1, 1, 3, 3, 1, 23, 2, 12, 24, 1, 1, 2, 1, 1,
1363 12, 23, 1, 1, 24, 1, 1, 1, 4, 1, 1, 1, 2, 1, 6, 6,
1364 4, 2, 1, 1, 1, 1, 1, 1, 1, 14, 13, 3, 1, 25, 9, 25,
1365 14, 1, 9, 3, 13, 1, 1, 1, 1, 1, 10, 1, 1, 2, 10, 2},
1368 {-20, -1, 0, 2, -2, 1, -1, 3, -3, 1, -1, 4, -4, 0, 2, -2,
1369 1, 5, -1, -5, 6, -6, 1, -1, 7, -7, 1, -1, 3, -3, 8, -8,
1370 2, -2, 1, -1, 9, -9, 1, -1, 10, -10, 4, -4, 11, 1, -11, -1,
1371 2, -2, 1, 12, -12, -1, 13, -13, 1, -1, 3, -3, 14, 5, -14, -5,
1372 -15, 15, -1, 1, 2, -2, 16, -16, 1, 17, -17, -1, 6, -6, 18, -18,
1373 2, -2, -19, 19, -3, 1, 3, -1, 4, 20, -4, 1, -21, 21, 1, 2,
1374 -1, -7, 7, -2, 22, -22, 23, 2, -23, -2, 1, -1, -24, 24, -25, 25,
1375 -8, -26, 26, 8, -27, 27, 5, 3, -3, -5, -4, 28, -28, 4, 29, -29,
1376 1, -1, -2, -30, 30, 2, 9, -9, -31, 31, 2, -2, -32, 3, 32, -33,
1377 -3, 1, 33, -34, -1, 34, -35, 35, -10, 10, -6, 36, 6, -36, 37, -37,
1378 -5, 38, 1, -38, -1, 3, 39, -39, -1, 40, 5, 1, -40, -3, 2, -11,
1379 -41, -2, 1, 11, -3, -4, 41, 3, 42, 4, -1, -43, -42, 43, 1, -44,
1380 45, -1, 44, -45, -7, 7, -46, 1, -12, 2, 1, -47, 46, 12, 47, 48,
1381 -2, -1, -48, 49, -1, -50, -49, 50, -6, -51, 51, 52, -13, 53, -4, 4,
1382 6, 13, -53, -52, -54, 55, 54, -55, -56, -2, 2, -8, 56, 1, -3, -1,
1383 2, 58, 3, 8, -2, 57, -58, -60, -59, -57, -3, 60, 59, -14, 3, 14}
1389 {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 5, 5, 1, 1, 6,
1390 6, 2, 2, 7, 7, 8, 8, 1, 1, 3, 3, 9, 9, 10, 10, 1,
1391 1, 2, 2, 4, 4, 11, 0, 11, 12, 12, 13, 13, 1, 1, 5, 5,
1392 14, 14, 15, 16, 15, 16, 3, 3, 1, 6, 1, 6, 2, 2, 7, 7,
1393 8, 8, 17, 17, 1, 1, 4, 4, 18, 18, 2, 2, 1, 19, 1, 20,
1394 19, 20, 21, 21, 3, 3, 22, 22, 5, 5, 24, 1, 1, 23, 9, 23,
1395 24, 9, 2, 2, 10, 1, 1, 10, 6, 6, 25, 4, 4, 25, 7, 7,
1396 26, 8, 1, 8, 3, 1, 26, 3, 11, 11, 27, 27, 2, 28, 1, 2,
1397 28, 1, 12, 12, 5, 5, 29, 13, 13, 29, 32, 1, 1, 33, 31, 30,
1398 32, 4, 30, 33, 4, 31, 3, 14, 1, 1, 3, 34, 34, 2, 2, 14,
1399 6, 6, 35, 36, 35, 36, 1, 15, 1, 16, 16, 15, 7, 9, 7, 9,
1400 37, 8, 8, 37, 1, 1, 39, 2, 38, 39, 2, 40, 5, 38, 40, 5,
1401 3, 3, 4, 4, 10, 10, 1, 1, 1, 1, 41, 2, 41, 2, 6, 6,
1402 1, 1, 11, 42, 11, 43, 3, 42, 3, 17, 4, 43, 1, 17, 7, 1,
1403 8, 44, 4, 7, 44, 5, 8, 2, 5, 1, 2, 48, 45, 1, 12, 45,
1404 12, 48, 13, 13, 1, 9, 9, 46, 1, 46, 47, 47, 49, 18, 18, 49},
1407 { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 1, -1, 3, -3, 1,
1408 -1, -2, 2, 1, -1, 1, -1, 4, -4, -2, 2, 1, -1, 1, -1, 5,
1409 -5, -3, 3, 2, -2, 1, 0, -1, 1, -1, 1, -1, 6, -6, 2, -2,
1410 1, -1, 1, 1, -1, -1, -3, 3, 7, 2, -7, -2, -4, 4, 2, -2,
1411 2, -2, 1, -1, 8, -8, 3, -3, 1, -1, -5, 5, 9, 1, -9, 1,
1412 -1, -1, 1, -1, -4, 4, 1, -1, 3, -3, 1, -10, 10, 1, 2, -1,
1413 -1, -2, 6, -6, 2, 11, -11, -2, 3, -3, 1, -4, 4, -1, 3, -3,
1414 1, 3, 12, -3, -5, -12, -1, 5, 2, -2, 1, -1, -7, 1, 13, 7,
1415 -1, -13, 2, -2, 4, -4, 1, 2, -2, -1, 1, 14, -14, 1, 1, 1,
1416 -1, -5, -1, -1, 5, -1, -6, 2, -15, 15, 6, 1, -1, -8, 8, -2,
1417 -4, 4, 1, 1, -1, -1, 16, 2, -16, -2, 2, -2, 4, 3, -4, -3,
1418 -1, -4, 4, 1, -17, 17, -1, -9, 1, 1, 9, 1, -5, -1, -1, 5,
1419 -7, 7, 6, -6, 3, -3, 18, -18, 19, -19, 1, -10, -1, 10, -5, 5,
1420 20, -20, -3, 1, 3, 1, 8, -1, -8, 2, 7, -1, -21, -2, 5, 21,
1421 5, -1, -7, -5, 1, -6, -5, -11, 6, 22, 11, 1, 1, -22, -3, -1,
1422 3, -1, 3, -3, -23, 4, -4, 1, 23, -1, 1, -1, 1, -2, 2, -1}
1428 {1, 1, 1, 1, 0, 2, 2, 1, 1, 3, 3, 0, 1, 1, 2, 2,
1429 4, 4, 1, 1, 5, 5, 1, 1, 2, 2, 3, 3, 6, 6, 1, 1,
1430 7, 7, 8, 1, 8, 2, 2, 1, 4, 4, 1, 3, 1, 3, 9, 9,
1431 2, 2, 1, 5, 1, 5, 10, 10, 1, 1, 11, 11, 3, 6, 3, 4,
1432 4, 6, 2, 2, 1, 12, 1, 12, 7, 13, 7, 13, 1, 1, 8, 8,
1433 2, 2, 14, 14, 16, 15, 16, 5, 5, 1, 3, 15, 1, 3, 4, 4,
1434 1, 1, 17, 17, 2, 2, 6, 6, 1, 18, 1, 18, 22, 21, 22, 21,
1435 25, 24, 25, 19, 9, 20, 9, 23, 19, 24, 20, 3, 23, 7, 3, 1,
1436 1, 7, 28, 26, 29, 5, 28, 26, 5, 8, 29, 4, 8, 27, 2, 2,
1437 4, 27, 1, 1, 10, 36, 10, 33, 33, 36, 30, 1, 32, 32, 1, 30,
1438 6, 31, 31, 35, 3, 6, 11, 11, 3, 2, 35, 2, 34, 1, 34, 1,
1439 37, 37, 12, 7, 12, 5, 41, 5, 4, 7, 1, 8, 13, 4, 1, 41,
1440 13, 38, 8, 38, 9, 1, 40, 40, 9, 1, 39, 2, 2, 49, 39, 42,
1441 3, 3, 14, 16, 49, 14, 16, 42, 43, 43, 6, 6, 15, 1, 1, 15,
1442 44, 44, 1, 1, 50, 48, 4, 5, 4, 7, 5, 2, 10, 10, 48, 7,
1443 50, 45, 2, 1, 45, 8, 8, 1, 46, 46, 3, 47, 47, 3, 1, 1},
1446 { 1, -1, 2, -2, 0, 1, -1, 3, -3, 1, -1, 0, 4, -4, 2, -2,
1447 1, -1, 5, -5, 1, -1, 6, -6, 3, -3, 2, -2, 1, -1, 7, -7,
1448 1, -1, 1, 8, -1, 4, -4, -8, 2, -2, 9, 3, -9, -3, 1, -1,
1449 5, -5, 10, 2, -10, -2, 1, -1, 11, -11, 1, -1, -4, 2, 4, 3,
1450 -3, -2, 6, -6, 12, 1, -12, -1, 2, 1, -2, -1, 13, -13, 2, -2,
1451 7, -7, 1, -1, 1, 1, -1, 3, -3, 14, 5, -1, -14, -5, 4, -4,
1452 15, -15, 1, -1, 8, -8, -3, 3, 16, 1, -16, -1, 1, 1, -1, -1,
1453 1, 1, -1, 1, 2, 1, -2, 1, -1, -1, -1, 6, -1, 3, -6, 17,
1454 -17, -3, 1, 1, 1, 4, -1, -1, -4, 3, -1, 5, -3, -1, -9, 9,
1455 -5, 1, 18, -18, 2, 1, -2, 1, -1, -1, 1, 19, -1, 1, -19, -1,
1456 4, 1, -1, 1, 7, -4, -2, 2, -7, 10, -1, -10, 1, 20, -1, -20,
1457 1, -1, 2, 4, -2, 5, 1, -5, 6, -4, 21, 4, 2, -6, -21, -1,
1458 -2, 1, -4, -1, -3, 22, -1, 1, 3, -22, -1, 11, -11, 1, 1, 1,
1459 8, -8, 2, 2, -1, -2, -2, -1, 1, -1, -5, 5, 2, 23, -23, -2,
1460 1, -1, 24, -24, -1, -1, 7, 6, -7, 5, -6, 12, -3, 3, 1, -5,
1461 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 ...
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
av_cold int ff_ivi_decode_close(AVCodecContext *avctx)
Close Indeo5 decoder and clean up its context.
static av_always_inline void mv_scale(Mv *dst, Mv *src, int td, int tb)
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...
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
int(* decode_pic_hdr)(struct IVI45DecContext *ctx, AVCodecContext *avctx)
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 void skip_bits_long(GetBitContext *s, int n)
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)
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)
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]
high precision timer, useful to profile code
IVIPlaneDesc planes[3]
color planes
const uint16_t * intra_base
quantization matrix for intra blocks
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.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
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
#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,...)
av_cold void ff_ivi_init_static_vlc(void)
Initialize static codes used for macroblock and block decoding.
#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 const IVIHuffDesc ivi_blk_huff_desc[8]
static block huffman tables
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)
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
#define INIT_VLC_USE_NEW_STATIC
int8_t q_delta
quant delta
uint32_t frame_size
frame size in bytes
if(ac->has_optimized_func)
#define AVERROR_PATCHWELCOME
Not yet implemented in Libav, patches welcome.
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.
Libavcodec external API header.
int glob_quant
quant base for this band
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
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 ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
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
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
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.
VLC cust_tab
custom Huffman codebook descriptor
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
static const IVIHuffDesc ivi_mb_huff_desc[8]
These are 2x8 predefined Huffman codebooks for coding macroblock/block signals.
static const uint8_t * align_get_bits(GetBitContext *s)
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
#define FFSWAP(type, a, b)
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