Fix muxing mjpeg in swf.

7680d99b · Carl Eugen Hoyos · ac0f1ae6 · 7680d99b
Commit 7680d99b authored Sep 12, 2012 by Carl Eugen Hoyos
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swfenc.c libavformat/swfenc.c +2 -0

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--- a/libavformat/swfenc.c
+++ b/libavformat/swfenc.c
@@ -495,8 +495,10 @@ static int swf_write_trailer(AVFormatContext *s)
        avio_wl32(pb, file_size);
        avio_seek(pb, swf->duration_pos, SEEK_SET);
        avio_wl16(pb, swf->video_frame_number);
+        if (swf->vframes_pos) {
        avio_seek(pb, swf->vframes_pos, SEEK_SET);
        avio_wl16(pb, swf->video_frame_number);
+        }
        avio_seek(pb, file_size, SEEK_SET);
    }
    return 0;