#8805: ffplay: Cannot use arrow keys to move backward/forward in AVS2 encoded
MKV
video.
-------------------------------------+-------------------------------------
Reporter: ourseews | Owner:
Type: defect | Status: new
Priority: wish | Component:
| undetermined
Version: git-master | Resolution:
Keywords: MKV AVS2 | Blocked By:
seek |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by mkver):
1. xavs_encode_frame() in libxavs2 does not mark any packets as key frames
and therefore the video track of the Matroska file does not contain any
block marked as keyframe block. So it is no wonder that seeking doesn't
work. One should probably set the flag based upon the
[https://github.com/pkuvcl/xavs2/blob/master/source/xavs2.h#L203 outpacket
type].
2. There is actually no codec mapping for AVS2; the Matroska muxer
therefore uses the avi compability mode ("Video for Windows") to mux it. I
don't know whether there is an official AVS2 avi packetization or whether
this is just a FFmpeg only thing.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8805#comment:5>
FFmpeg <https://ffmpeg.org>
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