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

Fixes ticket #3428.
11 years ago · e3fd263f0b
parent 29fc468d0a
commit e3fd263f0b
1 changed files with 2 additions and 1 deletions
--- 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;
    }