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These covers the "writable" notion exposed by FFmpeg. If a non-writable frame is passed to a codec, the codec will clone the frame before writing to it. Some interfaces (notably swscale) doesn't respect this convention yet; for those, we'll add our own checks for writeability so ideally this copy-on-write convention is held everywhere within our bindings. BUG=b:239897269 TEST=cargo test --features "video-decoder,ffmpeg" -p ffmpeg -p devices Change-Id: I566f44a44491a7507bd6446e1bf8e1f8550f16d6 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3920257 Reviewed-by: Alexandre Courbot <acourbot@chromium.org> |
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vp8 |