From 5b9e591fcbeda34096dda8735a489e33255f651f Mon Sep 17 00:00:00 2001
From: bnnm <bananaman255@gmail.com>
Date: Mon, 26 Aug 2019 22:59:32 +0200
Subject: [PATCH] Reject small files in FFmpeg meta

---
 src/meta/ffmpeg.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/meta/ffmpeg.c b/src/meta/ffmpeg.c
index c968ae86..3784b7dd 100644
--- a/src/meta/ffmpeg.c
+++ b/src/meta/ffmpeg.c
@@ -15,6 +15,7 @@ VGMSTREAM * init_vgmstream_ffmpeg(STREAMFILE *streamFile) {
 
 VGMSTREAM * init_vgmstream_ffmpeg_offset(STREAMFILE *streamFile, uint64_t start, uint64_t size) {
     VGMSTREAM *vgmstream = NULL;
+    ffmpeg_codec_data *data = NULL;
     int loop_flag = 0;
     int32_t loop_start = 0, loop_end = 0, num_samples = 0;
     int total_subsongs, target_subsong = streamFile->stream_index;
@@ -23,9 +24,13 @@ VGMSTREAM * init_vgmstream_ffmpeg_offset(STREAMFILE *streamFile, uint64_t start,
     //if (!check_extensions(streamFile, "..."))
     //    goto fail;
 
+    /* don't try to open headers and other mini files */
+    if (get_streamfile_size(streamFile) <= 0x100)
+        goto fail;
+
 
     /* init ffmpeg */
-    ffmpeg_codec_data *data = init_ffmpeg_offset(streamFile, start, size);
+    data = init_ffmpeg_offset(streamFile, start, size);
     if (!data) return NULL;
 
     total_subsongs = data->streamCount;