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crosvm/libvda
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David Staessens 636b0fb468 virtio: video: Add support for dynamically changing the peak bitrate. 
This CL adds support for dynamically changing the peak bitrate in
addition to the target bitrate. This is done by adapting the
request_encoding_params_change function to use the new Bitrate data
structure, similar to the changes done in the Chrome
VideoEncodeAccelerator.

BUG=b:190336806,b:181514834
TEST=tast run DUT arc.VideoEncodeAccel.h264_192p_i420_vm

Cq-Depend: chromium:3032331
Change-Id: Id0fd3fa2b3d818c8880d4a02a96f84b218b19cef
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3033225
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: David Staessens <dstaessens@chromium.org>
Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org>
2021-08-03 00:48:45 +00:00
..
src virtio: video: Add support for dynamically changing the peak bitrate. 2021-08-03 00:48:45 +00:00
tests virtio: video: Add support for configuring the bitrate mode to encoder. 2021-07-29 03:52:27 +00:00
build.rs Crosvm Externalization: Move libvda rust code into crosvm 2021-07-08 05:32:04 +00:00
Cargo.toml Crosvm Externalization: Move libvda rust code into crosvm 2021-07-08 05:32:04 +00:00
README.md Crosvm Externalization: Move libvda rust code into crosvm 2021-07-08 05:32:04 +00:00

README.md

Libvda Rust wrapper

Note: This crate is specific to ChromeOS and requires the native (libvda)[https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform2/arc/vm/libvda] library at link time.

Rust wrapper for libvda. This library is used to enable communication with Chrome's GPU process to perform hardware accelerated decoding and encoding. It is currently in development to be used by crosvm's virtio-video device.

Building for the host environment

You can also execute cargo directly for faster build and tests. This would be useful when you are developing this crate. Since this crate depends on libvda.so, you need to install it to host environment first.

(chroot)$ sudo emerge chromeos-base/libvda        # Install libvda.so to host.
# Build
(chroot)$ cargo build
# Unit tests
(chroot)$ cargo test

Updating generated bindings

src/bindings.rs is automatically generated from libvda_common.h. src/decode/bindings.rs is automatically generated from libvda_decode.h. src/encode/bindings.rs is automatically generated from libvda_encode.h.

See the header of the bindings file for the generation command.