Jpeg2000QuantStyle qntsty[4];
Jpeg2000TilePart tile_part[256];
uint16_t tp_idx; // Tile-part index
+ int coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
} Jpeg2000Tile;
typedef struct Jpeg2000DecoderContext {
if (!tile->comp)
return AVERROR(ENOMEM);
+ tile->coord[0][0] = FFMAX(tilex * s->tile_width + s->tile_offset_x, s->image_offset_x);
+ tile->coord[0][1] = FFMIN((tilex + 1) * s->tile_width + s->tile_offset_x, s->width);
+ tile->coord[1][0] = FFMAX(tiley * s->tile_height + s->tile_offset_y, s->image_offset_y);
+ tile->coord[1][1] = FFMIN((tiley + 1) * s->tile_height + s->tile_offset_y, s->height);
+
for (compno = 0; compno < s->ncomponents; compno++) {
Jpeg2000Component *comp = tile->comp + compno;
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
Jpeg2000QuantStyle *qntsty = tile->qntsty + compno;
int ret; // global bandno
- comp->coord_o[0][0] = FFMAX(tilex * s->tile_width + s->tile_offset_x, s->image_offset_x);
- comp->coord_o[0][1] = FFMIN((tilex + 1) * s->tile_width + s->tile_offset_x, s->width);
- comp->coord_o[1][0] = FFMAX(tiley * s->tile_height + s->tile_offset_y, s->image_offset_y);
- comp->coord_o[1][1] = FFMIN((tiley + 1) * s->tile_height + s->tile_offset_y, s->height);
+ comp->coord_o[0][0] = tile->coord[0][0];
+ comp->coord_o[0][1] = tile->coord[0][1];
+ comp->coord_o[1][0] = tile->coord[1][0];
+ comp->coord_o[1][1] = tile->coord[1][1];
if (compno) {
comp->coord_o[0][0] /= s->cdx[compno];
comp->coord_o[0][1] /= s->cdx[compno];