On 21/04/2026 06:39, Peter Xia via ffmpeg-devel wrote:
On Apr 16, 2026, at 7:40 PM, Peter Xia <[email protected]> wrote:
On Apr 16, 2026, at 11:05 AM, James Zern <[email protected]> wrote:
On Thu, Apr 16, 2026 at 3:36 AM Peter Xia via ffmpeg-devel
<[email protected]> wrote:
Adds support for extended file format specified in
https://developers.google.com/speed/webp/docs/riff_container
which animated webp uses.
Fixes: #4907
Signed-off-by: Peter Xia <[email protected]>
---
libavcodec/webp.c | 764 +++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 692 insertions(+), 72 deletions(-)
There have been a few attempts at this. I think most recently:
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20568
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20565
There has been debate in earlier threads about which approach is best.
This is actually my 2nd attempt as well. Last year I sent one using libwebp and
I got the impression that a non-libwebp implementation is preferred.
Friendly ping on this. Would love to see this in ffmpeg - it’s been long
overdue.
You might want to submit it as PR on code.ffmpeg.org for more attention.
Though the few people who can properly review this are quite busy
already either way.
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