mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 14:26:09 +03:00
77 lines
3.2 KiB
Plaintext
77 lines
3.2 KiB
Plaintext
// Copyright 2017 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
module media.mojom;
|
|
|
|
import "media/mojo/interfaces/media_types.mojom";
|
|
import "mojo/common/time.mojom";
|
|
import "ui/gfx/geometry/mojo/geometry.mojom";
|
|
|
|
// This file is the Mojo version of the media::VideoEncodeAccelerator interface
|
|
// and describes the communication between a Client and a remote "service"
|
|
// VideoEncodeAccelerator (VEA) with the purpose of encoding Video Frames by
|
|
// means of hardware accelerated features.
|
|
//
|
|
// Client VideoEncodeAccelerator
|
|
// | ---> Initialize |
|
|
// | RequireBitstreamBuffers(N) <--- |
|
|
// | ---> UseOutputBitstreamBuffer(0) |
|
|
// | ---> UseOutputBitstreamBuffer(1) |
|
|
// | ... |
|
|
// = =
|
|
// The Client requests a remote Encode() and eventually the VEA will leave the
|
|
// encoded results in a pre-shared BitstreamBuffer, that is then restored to the
|
|
// VEA when the Client is finished with it. Note that there might not be a 1:1
|
|
// relationship between Encode() and BitstreamBufferReady() calls.
|
|
// | ---> Encode() |
|
|
// | BitstreamBufferReady(k) <--- |
|
|
// | ---> UseOutputBitstreamBuffer(k) |
|
|
// = =
|
|
// At any time the VEA can send a NotifyError() to the Client. Similarly at any
|
|
// time the Client can send a RequestEncodingParametersChange() to the VEA. None
|
|
// of these messages are acknowledged.
|
|
|
|
interface VideoEncodeAcceleratorProvider {
|
|
CreateVideoEncodeAccelerator(VideoEncodeAccelerator& request);
|
|
};
|
|
|
|
interface VideoEncodeAccelerator {
|
|
// See media::VideoEncodeAccelerator::Error
|
|
enum Error {
|
|
ILLEGAL_STATE,
|
|
INVALID_ARGUMENT,
|
|
PLATFORM_FAILURE
|
|
};
|
|
|
|
// Responded by VideoEncodeAcceleratorClient.RequireBitstreamBuffers().
|
|
// TODO(mcasas): Update to asynchronous, https://crbug.com/744210.
|
|
[Sync]
|
|
Initialize(VideoPixelFormat input_format,
|
|
gfx.mojom.Size input_visible_size,
|
|
VideoCodecProfile output_profile,
|
|
uint32 initial_bitrate,
|
|
VideoEncodeAcceleratorClient client)
|
|
=> (bool result);
|
|
|
|
// Encodes a |frame|, being completely done with it after its callback.
|
|
Encode(VideoFrame frame, bool force_keyframe) => ();
|
|
|
|
UseOutputBitstreamBuffer(int32 bitstream_buffer_id,
|
|
handle<shared_buffer> buffer);
|
|
|
|
RequestEncodingParametersChange(uint32 bitrate, uint32 framerate);
|
|
};
|
|
|
|
interface VideoEncodeAcceleratorClient {
|
|
// Response to VideoEncodeAccelerator.Initialize().
|
|
RequireBitstreamBuffers(uint32 input_count,
|
|
gfx.mojom.Size input_coded_size,
|
|
uint32 output_buffer_size);
|
|
|
|
BitstreamBufferReady(int32 bitstream_buffer_id, uint32 payload_size,
|
|
bool key_frame, mojo.common.mojom.TimeDelta timestamp);
|
|
|
|
NotifyError(VideoEncodeAccelerator.Error error);
|
|
};
|