diff --git a/libavcodec/flac_parser.c b/libavcodec/flac_parser.c index 84da23f327..2721286464 100644 --- a/libavcodec/flac_parser.c +++ b/libavcodec/flac_parser.c @@ -686,12 +686,17 @@ static int flac_parse(AVCodecParserContext *s, AVCodecContext *avctx, } for (curr = fpc->headers; curr; curr = curr->next) { - if (curr->max_score > 0 && - (!fpc->best_header || curr->max_score > fpc->best_header->max_score)) { + if (!fpc->best_header || curr->max_score > fpc->best_header->max_score) { fpc->best_header = curr; } } + if (fpc->best_header && fpc->best_header->max_score <= 0) { + // Only accept a bad header if there is no other option to continue + if (!buf_size || !buf || read_end != buf || fpc->nb_headers_buffered < FLAC_MIN_HEADERS) + fpc->best_header = NULL; + } + if (fpc->best_header) { fpc->best_header_valid = 1; if (fpc->best_header->offset > 0) {