ctx->avctx = avctx;
ctx->version = !avctx->extradata_size;
+ // early sanity check before allocations to avoid need for deallocation code.
+ if (!ctx->version && avctx->extradata_size < 1026) {
+ av_log(avctx, AV_LOG_ERROR, "Not enough extradata.\n");
+ return AVERROR_INVALIDDATA;
+ }
avctx->pix_fmt = ctx->version ? AV_PIX_FMT_RGB565 : AV_PIX_FMT_PAL8;
if (!ctx->version) {
int i;
- if (avctx->extradata_size < 1026) {
- av_log(avctx, AV_LOG_ERROR, "Not enough extradata.\n");
- return AVERROR_INVALIDDATA;
- }
-
ctx->subversion = AV_RL16(avctx->extradata);
for (i = 0; i < PALETTE_SIZE; i++)
ctx->pal[i] = 0xFFU << 24 | AV_RL32(avctx->extradata + 2 + i * 4);