[FFmpeg-trac] #3551(undetermined:open): No duration detected for some FLV files
FFmpeg
trac at avcodec.org
Sat Apr 12 14:35:29 CEST 2014
#3551: No duration detected for some FLV files
-------------------------------------+-------------------------------------
Reporter: | Owner:
Underground78 | Status: open
Type: enhancement | Component:
Priority: wish | undetermined
Version: git-master | Resolution:
Keywords: flv h264 | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* priority: normal => wish
* status: new => open
* type: defect => enhancement
* reproduced: 0 => 1
Comment:
I have no idea how this should work except by decoding the file
(decode_hrd_parameters() is not called in the H264 decoder so I assume
there is no bitrate set in the video stream) but the fact that FFmpeg
shows neither bitrate nor duration is definitely reproducible.
I just sent a patch to the ffmpeg-devel mailing list that would make the
situation worse by setting a (not exactly correct) bitrate when decoding
speex and therefore assuming a duration of ten minutes for the 10 seconds
clip.
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Ticket URL: <https://trac.ffmpeg.org/ticket/3551#comment:7>
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