X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fmp3enc.c;h=cc9f0d09191fe34db6124f5d00cc72533274d6df;hb=076300bf8b43d5d56a91cd2ad845d596969c87cf;hp=044eb296208f077ae9fb01218bc99c237148b29a;hpb=aa604e8e33ae06f3a106e44fff798fdd70d77230;p=ffmpeg

diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
index 044eb296208..cc9f0d09191 100644
--- a/libavformat/mp3enc.c
+++ b/libavformat/mp3enc.c
@@ -262,8 +262,14 @@ static int mp3_write_audio_packet(AVFormatContext *s, AVPacket *pkt)
     if (pkt->data && pkt->size >= 4) {
         MPADecodeHeader c;
         int av_unused base;
+        uint32_t head = AV_RB32(pkt->data);
 
-        avpriv_mpegaudio_decode_header(&c, AV_RB32(pkt->data));
+        if (ff_mpa_check_header(head) < 0) {
+            av_log(s, AV_LOG_WARNING, "Audio packet of size %d (starting with %08X...) "
+                   "is invalid, writing it anyway.\n", pkt->size, head);
+            return ff_raw_write_packet(s, pkt);
+        }
+        avpriv_mpegaudio_decode_header(&c, head);
 
         if (!mp3->initial_bitrate)
             mp3->initial_bitrate = c.bit_rate;