1 // Copyright 2017 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef MEDIA_MOJO_SERVICES_MOJO_VIDEO_ENCODE_ACCELERATOR_SERVICE_H_
6 #define MEDIA_MOJO_SERVICES_MOJO_VIDEO_ENCODE_ACCELERATOR_SERVICE_H_
14 #include "base/compiler_specific.h"
15 #include "base/containers/lru_cache.h"
16 #include "base/memory/unsafe_shared_memory_region.h"
17 #include "base/memory/weak_ptr.h"
18 #include "base/sequence_checker.h"
19 #include "base/time/time.h"
20 #include "gpu/config/gpu_driver_bug_workarounds.h"
21 #include "gpu/config/gpu_info.h"
22 #include "gpu/config/gpu_preferences.h"
23 #include "media/mojo/mojom/video_encode_accelerator.mojom.h"
24 #include "media/mojo/services/media_mojo_export.h"
25 #include "media/video/video_encode_accelerator.h"
26 #include "mojo/public/cpp/bindings/associated_remote.h"
27 #include "mojo/public/cpp/bindings/pending_associated_receiver.h"
28 #include "mojo/public/cpp/bindings/pending_associated_remote.h"
29 #include "mojo/public/cpp/bindings/remote.h"
35 // This class implements the interface mojom::VideoEncodeAccelerator.
36 class MEDIA_MOJO_EXPORT MojoVideoEncodeAcceleratorService
37 : public mojom::VideoEncodeAccelerator,
38 public VideoEncodeAccelerator::Client {
40 // Create and initialize a VEA. Returns nullptr if either part fails.
41 using CreateAndInitializeVideoEncodeAcceleratorCallback =
42 base::OnceCallback<std::unique_ptr<::media::VideoEncodeAccelerator>(
43 const ::media::VideoEncodeAccelerator::Config& config,
45 const gpu::GpuPreferences& gpu_preferences,
46 const gpu::GpuDriverBugWorkarounds& gpu_workarounds,
47 const gpu::GPUInfo::GPUDevice& gpu_device,
48 std::unique_ptr<MediaLog> media_log)>;
51 mojo::PendingReceiver<mojom::VideoEncodeAccelerator> receiver,
52 CreateAndInitializeVideoEncodeAcceleratorCallback create_vea_callback,
53 const gpu::GpuPreferences& gpu_preferences,
54 const gpu::GpuDriverBugWorkarounds& gpu_workarounds,
55 const gpu::GPUInfo::GPUDevice& gpu_device);
57 MojoVideoEncodeAcceleratorService(
58 CreateAndInitializeVideoEncodeAcceleratorCallback create_vea_callback,
59 const gpu::GpuPreferences& gpu_preferences,
60 const gpu::GpuDriverBugWorkarounds& gpu_workarounds,
61 const gpu::GPUInfo::GPUDevice& gpu_device);
63 MojoVideoEncodeAcceleratorService(const MojoVideoEncodeAcceleratorService&) =
65 MojoVideoEncodeAcceleratorService& operator=(
66 const MojoVideoEncodeAcceleratorService&) = delete;
68 ~MojoVideoEncodeAcceleratorService() override;
70 // mojom::VideoEncodeAccelerator impl.
72 const media::VideoEncodeAccelerator::Config& config,
73 mojo::PendingAssociatedRemote<mojom::VideoEncodeAcceleratorClient> client,
74 mojo::PendingRemote<mojom::MediaLog> media_log,
75 InitializeCallback callback) override;
76 void Encode(const scoped_refptr<VideoFrame>& frame,
77 const media::VideoEncoder::EncodeOptions& options,
78 EncodeCallback callback) override;
79 void UseOutputBitstreamBuffer(int32_t bitstream_buffer_id,
80 base::UnsafeSharedMemoryRegion region) override;
81 void RequestEncodingParametersChangeWithBitrate(
82 const media::Bitrate& bitrate_allocation,
83 uint32_t framerate) override;
84 void RequestEncodingParametersChangeWithLayers(
85 const media::VideoBitrateAllocation& bitrate_allocation,
86 uint32_t framerate) override;
87 void IsFlushSupported(IsFlushSupportedCallback callback) override;
88 void Flush(FlushCallback callback) override;
91 friend class MojoVideoEncodeAcceleratorIntegrationTest;
92 friend class MojoVideoEncodeAcceleratorServiceTest;
94 // VideoEncodeAccelerator::Client implementation.
95 void RequireBitstreamBuffers(unsigned int input_count,
96 const gfx::Size& input_coded_size,
97 size_t output_buffer_size) override;
98 void BitstreamBufferReady(
99 int32_t bitstream_buffer_id,
100 const media::BitstreamBufferMetadata& metadata) override;
101 void NotifyErrorStatus(const EncoderStatus& status) override;
102 void NotifyEncoderInfoChange(const ::media::VideoEncoderInfo& info) override;
104 CreateAndInitializeVideoEncodeAcceleratorCallback create_vea_callback_;
105 const gpu::GpuPreferences gpu_preferences_;
106 const gpu::GpuDriverBugWorkarounds gpu_workarounds_;
107 const gpu::GPUInfo::GPUDevice gpu_device_;
109 // Owned pointer to the underlying VideoEncodeAccelerator.
110 std::unique_ptr<::media::VideoEncodeAccelerator> encoder_;
111 mojo::AssociatedRemote<mojom::VideoEncodeAcceleratorClient> vea_client_;
113 // Proxy object for providing media log services.
114 std::unique_ptr<MojoMediaLog> media_log_;
116 // Cache of parameters for sanity verification.
117 size_t output_buffer_size_;
118 gfx::Size input_coded_size_;
120 base::LRUCache<int64_t, base::TimeTicks> timestamps_;
122 // Note that this class is already thread hostile when bound.
123 SEQUENCE_CHECKER(sequence_checker_);
125 base::WeakPtrFactory<MojoVideoEncodeAcceleratorService> weak_factory_{this};
130 #endif // MEDIA_MOJO_SERVICES_MOJO_VIDEO_ENCODE_ACCELERATOR_SERVICE_H_