]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/matroskadec.c
electronicarts: move video stream properties into dedicated structure
[ffmpeg] / libavformat / matroskadec.c
index 3512f0f8c81ae69bd10e932410c6b784c3de8615..07f4539723f7ea1fc5117797775c7db7723937a0 100644 (file)
@@ -1680,6 +1680,14 @@ static int matroska_parse_tracks(AVFormatContext *s)
         if (!track->codec_id)
             continue;
 
+        if (track->audio.samplerate < 0 || track->audio.samplerate > INT_MAX ||
+            isnan(track->audio.samplerate)) {
+            av_log(matroska->ctx, AV_LOG_WARNING,
+                   "Invalid sample rate %f, defaulting to 8000 instead.\n",
+                   track->audio.samplerate);
+            track->audio.samplerate = 8000;
+        }
+
         if (track->type == MATROSKA_TRACK_TYPE_VIDEO) {
             if (!track->default_duration && track->video.frame_rate > 0)
                 track->default_duration = 1000000000 / track->video.frame_rate;
@@ -1881,6 +1889,18 @@ static int matroska_parse_tracks(AVFormatContext *s)
                               NULL, NULL, NULL, NULL);
             avio_write(&b, "TTA1", 4);
             avio_wl16(&b, 1);
+            if (track->audio.channels > UINT16_MAX ||
+                track->audio.bitdepth > UINT16_MAX) {
+                av_log(matroska->ctx, AV_LOG_WARNING,
+                       "Too large audio channel number %"PRIu64
+                       " or bitdepth %"PRIu64". Skipping track.\n",
+                       track->audio.channels, track->audio.bitdepth);
+                av_freep(&extradata);
+                if (matroska->ctx->error_recognition & AV_EF_EXPLODE)
+                    return AVERROR_INVALIDDATA;
+                else
+                    continue;
+            }
             avio_wl16(&b, track->audio.channels);
             avio_wl16(&b, track->audio.bitdepth);
             if (track->audio.out_samplerate < 0 || track->audio.out_samplerate > INT_MAX)