memcpy(rect->data[0], region->pbuf, region->buf_size);
- if ((clut == &default_clut && ctx->compute_clut == -1) || ctx->compute_clut == 1) {
+ if ((clut == &default_clut && ctx->compute_clut < 0) || ctx->compute_clut == 1) {
if (!region->has_computed_clut) {
compute_default_clut(ctx, region->computed_clut, rect, rect->w, rect->h);
region->has_computed_clut = 1;
}
}
- region->has_computed_clut = 0;
+ if (ctx->compute_clut != -2)
+ region->has_computed_clut = 0;
}
static int dvbsub_parse_object_segment(AVCodecContext *avctx,
#define OFFSET(x) offsetof(DVBSubContext, x)
static const AVOption options[] = {
{"compute_edt", "compute end of time using pts or timeout", OFFSET(compute_edt), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DS},
- {"compute_clut", "compute clut when not available(-1) or always(1) or never(0)", OFFSET(compute_clut), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, DS},
+ {"compute_clut", "compute clut when not available(-1) or only once (-2) or always(1) or never(0)", OFFSET(compute_clut), AV_OPT_TYPE_BOOL, {.i64 = -1}, -2, 1, DS},
{"dvb_substream", "", OFFSET(substream), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, DS},
{NULL}
};