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102 lines
2.3 KiB
Plaintext
102 lines
2.3 KiB
Plaintext
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file defined the mojo interface between Android and Chromium for video
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// decoding. See comments of VideoDecodeAccelerator for more info.
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module arc.mojom;
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import "video_common.mojom";
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[Extensible]
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enum HalPixelFormatExtension {
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HAL_PIXEL_FORMAT_YCbCr_420_888 = 0x23,
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HAL_PIXEL_FORMAT_H264 = 0x34363248,
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HAL_PIXEL_FORMAT_VP8 = 0x00385056,
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};
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enum PortType {
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PORT_INPUT = 0,
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PORT_OUTPUT = 1,
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};
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struct BufferMetadata {
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int64 timestamp; // in microseconds
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uint32 bytes_used;
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};
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struct VideoFormat {
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uint32 pixel_format;
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uint32 buffer_size;
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// minimal number of buffers required to process the video.
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uint32 min_num_buffers;
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uint32 coded_width;
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uint32 coded_height;
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uint32 crop_left;
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uint32 crop_width;
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uint32 crop_top;
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uint32 crop_height;
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};
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struct VideoDecodeAcceleratorConfig {
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// Deprecated. This config struct is used for decoder only.
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enum DeviceTypeDeprecated {
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DEVICE_ENCODER = 0,
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DEVICE_DECODER = 1,
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};
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// Deprecated. Only decoder will be supported.
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DeviceTypeDeprecated device_type_deprecated;
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uint32 num_input_buffers;
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uint32 input_pixel_format;
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};
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// Next MinVersion: 4
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// Deprecated method IDs: 2, 7
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// Next method ID: 10
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interface VideoDecodeAccelerator {
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enum Result {
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SUCCESS = 0,
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ILLEGAL_STATE = 1,
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INVALID_ARGUMENT = 2,
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UNREADABLE_INPUT = 3,
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PLATFORM_FAILURE = 4,
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INSUFFICIENT_RESOURCES = 5,
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};
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[MinVersion=2]
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Initialize@8(VideoDecodeAcceleratorConfig config,
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VideoDecodeClient client) => (Result result);
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BindSharedMemory@1(PortType port, uint32 index, handle ashmem_fd,
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uint32 offset, uint32 length);
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[MinVersion=3]
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BindDmabuf@9(PortType port, uint32 index, handle dmabuf_fd,
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array<VideoFramePlane> planes);
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UseBuffer@3(PortType port, uint32 index, BufferMetadata metadata);
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SetNumberOfOutputBuffers@4(uint32 number);
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Reset@5();
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Flush@6();
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};
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// Deprecated method IDs: 0
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// Next method ID: 6
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interface VideoDecodeClient {
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OnError@1(VideoDecodeAccelerator.Result error);
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OnBufferDone@2(PortType port, uint32 index, BufferMetadata metadata);
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OnResetDone@3();
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OnOutputFormatChanged@4(VideoFormat format);
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OnFlushDone@5();
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};
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