@@ -86,11 +86,11 @@ int ff_hevc_decode_extradata(const uint8_t *data, int size, HEVCParamSets *ps,
bytestream2_init(&gb, data, size);
- if (size > 3 && (data[0] || data[1] || data[2] > 1)) {
- /* It seems the extradata is encoded as hvcC format.
- * Temporarily, we support configurationVersion==0 until 14496-15 3rd
- * is finalized. When finalized, configurationVersion will be 1 and we
- * can recognize hvcC by checking if avctx->extradata[0]==1 or not. */
+ /* data[0] == 1 is configurationVersion from 14496-15.
+ * data[0] == 0 is for backward compatibility predates the standard.
+ */
+ if (size > 3 && ((data[0] == 1) || (data[0] == 0 && (data[1] || data[2] > 1)))) {
+ /* It seems the extradata is encoded as hvcC format. */
int i, j, num_arrays, nal_len_size;
*is_nalff = 1;