typedef struct {
AVClass *class;
uint32_t global_palette[16];
+ char *palette_str;
int even_rows_fix;
} DVDSubtitleContext;
return ret;
}
+static int bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
+{
+ int ret;
+ char *str;
+
+ ret = av_bprint_finalize(buf, &str);
+ if (ret < 0)
+ return ret;
+ if (!av_bprint_is_complete(buf)) {
+ av_free(str);
+ return AVERROR(ENOMEM);
+ }
+
+ avctx->extradata = str;
+ /* Note: the string is NUL terminated (so extradata can be read as a
+ * string), but the ending character is not accounted in the size (in
+ * binary formats you are likely not supposed to mux that character). When
+ * extradata is copied, it is also padded with AV_INPUT_BUFFER_PADDING_SIZE
+ * zeros. */
+ avctx->extradata_size = buf->len;
+ return 0;
+}
+
static int dvdsub_init(AVCodecContext *avctx)
{
DVDSubtitleContext *dvdc = avctx->priv_data;
int i, ret;
av_assert0(sizeof(dvdc->global_palette) == sizeof(default_palette));
- memcpy(dvdc->global_palette, default_palette, sizeof(dvdc->global_palette));
+ if (dvdc->palette_str) {
+ ff_dvdsub_parse_palette(dvdc->global_palette, dvdc->palette_str);
+ } else {
+ memcpy(dvdc->global_palette, default_palette, sizeof(dvdc->global_palette));
+ }
av_bprint_init(&extradata, 0, AV_BPRINT_SIZE_AUTOMATIC);
if (avctx->width && avctx->height)
av_bprintf(&extradata, " %06"PRIx32"%c",
dvdc->global_palette[i] & 0xFFFFFF, i < 15 ? ',' : '\n');
- ret = avpriv_bprint_to_extradata(avctx, &extradata);
+ ret = bprint_to_extradata(avctx, &extradata);
if (ret < 0)
return ret;
#define OFFSET(x) offsetof(DVDSubtitleContext, x)
#define SE AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
+ {"palette", "set the global palette", OFFSET(palette_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, SE },
{"even_rows_fix", "Make number of rows even (workaround for some players)", OFFSET(even_rows_fix), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, SE},
{ NULL },
};