Opened 10 months ago

#10475 new defect

Second frame in two-frame apng plays too fast when converted to webm

Reported by: beresnev.nh Owned by:
Priority: normal Component: undetermined
Version: git-master Keywords: apng
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

Summary of the bug:

I am trying to convert 2-frame apng to webm. Second frame plays too fast (see attached files). 3-frame apng plays fine.

How to reproduce:

ffmpeg -stream_loop 10 -i in_2_frames.png /tmp/out_2_frames.webm

ffmpeg -stream_loop 10 -i in_3_frames.png /tmp/out_3_frames.webm

Attachments (5)

in_2_frames.png​ (16.3 KB ) - added by beresnev.nh 10 months ago.
apng with 2 frames
in_3_frames.png​ (22.6 KB ) - added by beresnev.nh 10 months ago.
out_2_frames.webm​ (16.3 KB ) - added by beresnev.nh 10 months ago.
out_3_frames.webm​ (16.5 KB ) - added by beresnev.nh 10 months ago.
ffmpeg-20230716-222707.log​ (21.3 KB ) - added by beresnev.nh 10 months ago.
log

Download all attachments as: .zip

Change History (5)

by beresnev.nh, 10 months ago

Attachment: in_2_frames.png​ added

apng with 2 frames

by beresnev.nh, 10 months ago

Attachment: in_3_frames.png​ added

by beresnev.nh, 10 months ago

Attachment: out_2_frames.webm​ added

by beresnev.nh, 10 months ago

Attachment: out_3_frames.webm​ added

by beresnev.nh, 10 months ago

Attachment: ffmpeg-20230716-222707.log​ added

log

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