diff options
| -rw-r--r-- | libavformat/avidec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 96edfa8..2c81267 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -1101,6 +1101,8 @@ static int read_gab2_sub(AVFormatContext *s, AVStream *st, AVPacket *pkt) goto error; if (!avformat_open_input(&ast->sub_ctx, "", sub_demuxer, NULL)) { + if (ast->sub_ctx->nb_streams != 1) + goto error; ff_read_packet(ast->sub_ctx, &ast->sub_pkt); avcodec_parameters_copy(st->codecpar, ast->sub_ctx->streams[0]->codecpar); time_base = ast->sub_ctx->streams[0]->time_base; |
