static const uint8_t header_prefix444[] = { 0x00, 0x00, 0x02, 0x80, 0x02 };
int i, cid, ret;
- if (buf_size < 0x280)
+ if (buf_size < 0x280) {
+ av_log(ctx->avctx, AV_LOG_ERROR, "buffer too small (%d < 640).\n",
+ buf_size);
return AVERROR_INVALIDDATA;
+ }
if (memcmp(buf, header_prefix, 5) && memcmp(buf, header_prefix444, 5)) {
av_log(ctx->avctx, AV_LOG_ERROR, "error in header\n");
return ret;
if (buf_size < ctx->cid_table->coding_unit_size) {
- av_log(ctx->avctx, AV_LOG_ERROR, "incorrect frame size\n");
+ av_log(ctx->avctx, AV_LOG_ERROR, "incorrect frame size (%d < %d).\n",
+ buf_size, ctx->cid_table->coding_unit_size);
return AVERROR_INVALIDDATA;
}
ctx->mb_scan_index[i] = AV_RB32(buf + 0x170 + (i << 2));
av_dlog(ctx->avctx, "mb scan index %d\n", ctx->mb_scan_index[i]);
if (buf_size < ctx->mb_scan_index[i] + 0x280) {
- av_log(ctx->avctx, AV_LOG_ERROR, "invalid mb scan index\n");
+ av_log(ctx->avctx, AV_LOG_ERROR,
+ "invalid mb scan index (%d < %d).\n",
+ buf_size, ctx->mb_scan_index[i] + 0x280);
return AVERROR_INVALIDDATA;
}
}