return ret;
if (ctx->compressed) {
+ int size = (avctx->coded_height / TEXTURE_BLOCK_H) *
+ (avctx->coded_width / TEXTURE_BLOCK_W) * ctx->tex_ratio;
ctx->slice_count = av_clip(avctx->thread_count, 1,
avctx->coded_height / TEXTURE_BLOCK_H);
+ if (bytestream2_get_bytes_left(gbc) < size) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Compressed Buffer is too small (%d < %d).\n",
+ bytestream2_get_bytes_left(gbc), size);
+ return AVERROR_INVALIDDATA;
+ }
+
/* Use the decompress function on the texture, one block per thread. */
ctx->tex_data = gbc->buffer;
avctx->execute2(avctx, decompress_texture_thread, frame, NULL, ctx->slice_count);