Show duration for large asf files as written in the file header.

Fixes ticket #3428.

Show duration for large asf files as written in the file header.
Fixes ticket #3428.
e3fd263f · Carl Eugen Hoyos · 29fc468d · e3fd263f
Commit e3fd263f authored Jun 21, 2014 by Carl Eugen Hoyos
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Showing with 2 additions and 1 deletion

asfdec.c libavformat/asfdec.c +2 -1

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--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -372,7 +372,8 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)

    if (!(asf->hdr.flags & 0x01)) { // if we aren't streaming...
        int64_t fsize = avio_size(pb);
-        if (fsize <= 0 || (int64_t)asf->hdr.file_size <= 0 || FFABS(fsize - (int64_t)asf->hdr.file_size) < 10000)
+        if (fsize <= 0 || (int64_t)asf->hdr.file_size <= 0 ||
+            FFABS(fsize - (int64_t)asf->hdr.file_size) / (float)FFMIN(fsize, asf->hdr.file_size) < 0.05)
            st->duration = asf->hdr.play_time /
                       (10000000 / 1000) - start_time;
    }