Lines Matching refs:region

177 static void delete_region_display_list(DVBSubContext *ctx, DVBSubRegion *region)
182     while (region->display_list) {
183         display = region->display_list;
216         region->display_list = display->region_list_next;
248         DVBSubRegion *region = ctx->region_list;
250         ctx->region_list = region->next;
252         delete_region_display_list(ctx, region);
254         av_freep(&region->pbuf);
255         av_freep(&region);
734     DVBSubRegion *region;
754         region = get_region(ctx, display->region_id);
755         if (region && region->dirty)
785             region = get_region(ctx, display->region_id);
787             if (!region)
790             if (!region->dirty)
796             rect->w = region->width;
797             rect->h = region->height;
798             rect->nb_colors = (1 << region->depth);
800             rect->linesize[0] = region->width;
802             clut = get_clut(ctx, region->clut);
807             switch (region->depth) {
825             memcpy(rect->data[1], clut_table, (1 << region->depth) * sizeof(*clut_table));
827             rect->data[0] = av_memdup(region->pbuf, region->buf_size);
834                 if (!region->has_computed_clut) {
835                     compute_default_clut(ctx, region->computed_clut, rect, rect->w, rect->h);
836                     region->has_computed_clut = 1;
839                 memcpy(rect->data[1], region->computed_clut, sizeof(region->computed_clut));
868     DVBSubRegion *region = get_region(ctx, display->region_id);
897     if (!region)
900     pbuf = region->pbuf;
901     region->dirty = 1;
909         if ((*buf!=0xf0 && x_pos >= region->width) || y_pos >= region->height) {
910             av_log(avctx, AV_LOG_ERROR, "Invalid object location! %d-%d %d-%d %02x\n", x_pos, region->width, y_pos, region->height, *buf);
916             if (region->depth == 8)
918             else if (region->depth == 4)
923             x_pos = dvbsub_read_2bit_string(avctx, pbuf + (y_pos * region->width),
924                                             region->width, &buf, buf_end - buf,
928             if (region->depth < 4) {
929                 av_log(avctx, AV_LOG_ERROR, "4-bit pixel string in %d-bit region!\n", region->depth);
933             if (region->depth == 8)
938             x_pos = dvbsub_read_4bit_string(avctx, pbuf + (y_pos * region->width),
939                                             region->width, &buf, buf_end - buf,
943             if (region->depth < 8) {
944                 av_log(avctx, AV_LOG_ERROR, "8-bit pixel string in %d-bit region!\n", region->depth);
948             x_pos = dvbsub_read_8bit_string(avctx, pbuf + (y_pos * region->width),
949                                             region->width, &buf, buf_end - buf,
978         region->has_computed_clut = 0;
1150     DVBSubRegion *region;
1161     region = get_region(ctx, region_id);
1163     if (!region) {
1164         region = av_mallocz(sizeof(*region));
1165         if (!region)
1168         region->id = region_id;
1169         region->version = -1;
1171         region->next = ctx->region_list;
1172         ctx->region_list = region;
1178     region->width = AV_RB16(buf);
1180     region->height = AV_RB16(buf);
1183     ret = av_image_check_size2(region->width, region->height, avctx->max_pixels, AV_PIX_FMT_PAL8, 0, avctx);
1184     if (ret >= 0 && region->width * region->height * 2 > 320 * 1024 * 8) {
1189         region->width= region->height= 0;
1193     if (region->width * region->height != region->buf_size) {
1194         av_free(region->pbuf);
1196         region->buf_size = region->width * region->height;
1198         region->pbuf = av_malloc(region->buf_size);
1199         if (!region->pbuf) {
1200             region->buf_size =
1201             region->width =
1202             region->height = 0;
1207         region->dirty = 0;
1210     region->depth = 1 << (((*buf++) >> 2) & 7);
1211     if (region->depth < 2 || region->depth > 8) {
1212         av_log(avctx, AV_LOG_ERROR, "region depth %d is invalid\n", region->depth);
1213         region->depth= 4;
1215     region->clut = *buf++;
1217     if (region->depth == 8) {
1218         region->bgcolor = *buf++;
1223         if (region->depth == 4)
1224             region->bgcolor = (((*buf++) >> 4) & 15);
1226             region->bgcolor = (((*buf++) >> 2) & 3);
1229     ff_dlog(avctx, "Region %d, (%dx%d)\n", region_id, region->width, region->height);
1232         memset(region->pbuf, region->bgcolor, region->buf_size);
1233         ff_dlog(avctx, "Fill region (%d)\n", region->bgcolor);
1236     delete_region_display_list(ctx, region);
1268         if (display->x_pos >= region->width ||
1269             display->y_pos >= region->height) {
1270             av_log(avctx, AV_LOG_ERROR, "Object outside region\n");
1280         display->region_list_next = region->display_list;
1281         region->display_list = display;
1340             av_log(avctx, AV_LOG_ERROR, "duplicate region\n");