On 2/27/2024 6:36 PM, Cosmin Stejerean via ffmpeg-devel wrote:
On Feb 27, 2024, at 1:19 PM, James Almer <jamr...@gmail.com> wrote:
SVT-AV1 1.8.0 has this value set to 1.8.0, same as in the current git head
commit. Is this in preparation for an upcoming release?
Yes, this is in preparation for release 2.0 which is targeted for next week.
https://gitlab.com/AOMediaCodec/SVT-AV1/-/issues/2155 is tracking the status,
and this API change is one of the outstanding items.
Without this patch, the command "ffmpeg -lavfi testsrc,format=yuv420p
-vframes 101 -c:v libsvtav1 -loglevel debug -f null -" gives this:
Output stream #0:0 (video): 101 frames encoded; 101 packets muxed (17890 bytes);
Total: 101 packets (17890 bytes) muxed
frame= 101 fps=0.0 q=31.0 Lsize=N/A time=00:00:04.00 bitrate=N/A
Whereas with it applied, i get:
Output stream #0:0 (video): 101 frames encoded; 100 packets muxed (17885 bytes);
Total: 100 packets (17885 bytes) muxed
frame= 100 fps=0.0 q=35.0 Lsize=N/A time=00:00:03.96 bitrate=N/A
If i pass it a single frame, i get no output at all. So the last frame
is being lost.
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