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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "media/cast/test/fake_video_encode_accelerator.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "base/logging.h" | |
| 10 #include "base/single_thread_task_runner.h" | |
| 11 | |
| 12 namespace media { | |
| 13 namespace cast { | |
| 14 namespace test { | |
| 15 | |
| 16 static const unsigned int kMinimumInputCount = 1; | |
| 17 static const size_t kMinimumOutputBufferSize = 123456; | |
| 18 | |
| 19 FakeVideoEncodeAccelerator::FakeVideoEncodeAccelerator( | |
| 20 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | |
| 21 std::vector<uint32>* stored_bitrates) | |
| 22 : task_runner_(task_runner), | |
| 23 stored_bitrates_(stored_bitrates), | |
| 24 client_(NULL), | |
| 25 first_(true), | |
| 26 will_initialization_succeed_(true), | |
| 27 weak_this_factory_(this) { | |
| 28 DCHECK(stored_bitrates_); | |
| 29 } | |
| 30 | |
| 31 FakeVideoEncodeAccelerator::~FakeVideoEncodeAccelerator() { | |
| 32 weak_this_factory_.InvalidateWeakPtrs(); | |
| 33 } | |
| 34 | |
| 35 std::vector<VideoEncodeAccelerator::SupportedProfile> | |
| 36 FakeVideoEncodeAccelerator::GetSupportedProfiles() { | |
| 37 return std::vector<VideoEncodeAccelerator::SupportedProfile>(); | |
| 38 } | |
| 39 | |
| 40 bool FakeVideoEncodeAccelerator::Initialize( | |
| 41 media::VideoFrame::Format input_format, | |
| 42 const gfx::Size& input_visible_size, | |
| 43 VideoCodecProfile output_profile, | |
| 44 uint32 initial_bitrate, | |
| 45 Client* client) { | |
| 46 if (!will_initialization_succeed_) | |
| 47 return false; | |
| 48 client_ = client; | |
| 49 if (output_profile != media::VP8PROFILE_ANY && | |
| 50 output_profile != media::H264PROFILE_MAIN) { | |
| 51 return false; | |
| 52 } | |
| 53 task_runner_->PostTask( | |
| 54 FROM_HERE, | |
| 55 base::Bind(&FakeVideoEncodeAccelerator::DoRequireBitstreamBuffers, | |
| 56 weak_this_factory_.GetWeakPtr(), | |
| 57 kMinimumInputCount, | |
| 58 input_visible_size, | |
| 59 kMinimumOutputBufferSize)); | |
| 60 return true; | |
| 61 } | |
| 62 | |
| 63 void FakeVideoEncodeAccelerator::Encode(const scoped_refptr<VideoFrame>& frame, | |
| 64 bool force_keyframe) { | |
| 65 DCHECK(client_); | |
| 66 DCHECK(!available_buffer_ids_.empty()); | |
| 67 | |
| 68 // Fake that we have encoded the frame; resulting in using the full output | |
| 69 // buffer. | |
| 70 int32 id = available_buffer_ids_.front(); | |
| 71 available_buffer_ids_.pop_front(); | |
| 72 | |
| 73 bool is_key_fame = force_keyframe; | |
| 74 if (first_) { | |
| 75 is_key_fame = true; | |
| 76 first_ = false; | |
| 77 } | |
| 78 task_runner_->PostTask( | |
| 79 FROM_HERE, | |
| 80 base::Bind(&FakeVideoEncodeAccelerator::DoBitstreamBufferReady, | |
| 81 weak_this_factory_.GetWeakPtr(), | |
| 82 id, | |
| 83 kMinimumOutputBufferSize, | |
| 84 is_key_fame)); | |
| 85 } | |
| 86 | |
| 87 void FakeVideoEncodeAccelerator::UseOutputBitstreamBuffer( | |
| 88 const BitstreamBuffer& buffer) { | |
| 89 available_buffer_ids_.push_back(buffer.id()); | |
| 90 } | |
| 91 | |
| 92 void FakeVideoEncodeAccelerator::RequestEncodingParametersChange( | |
| 93 uint32 bitrate, | |
| 94 uint32 framerate) { | |
| 95 stored_bitrates_->push_back(bitrate); | |
| 96 } | |
| 97 | |
| 98 void FakeVideoEncodeAccelerator::Destroy() { delete this; } | |
| 99 | |
| 100 void FakeVideoEncodeAccelerator::SendDummyFrameForTesting(bool key_frame) { | |
| 101 DoBitstreamBufferReady(0, 23, key_frame); | |
| 102 } | |
| 103 | |
| 104 void FakeVideoEncodeAccelerator::DoRequireBitstreamBuffers( | |
| 105 unsigned int input_count, | |
| 106 const gfx::Size& input_coded_size, | |
| 107 size_t output_buffer_size) const { | |
| 108 client_->RequireBitstreamBuffers( | |
| 109 input_count, input_coded_size, output_buffer_size); | |
| 110 } | |
| 111 | |
| 112 void FakeVideoEncodeAccelerator::DoBitstreamBufferReady( | |
| 113 int32 bitstream_buffer_id, | |
| 114 size_t payload_size, | |
| 115 bool key_frame) const { | |
| 116 client_->BitstreamBufferReady(bitstream_buffer_id, payload_size, key_frame); | |
| 117 } | |
| 118 | |
| 119 } // namespace test | |
| 120 } // namespace cast | |
| 121 } // namespace media | |
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Chromium Code Reviews
Issue 760963003:
Adds fake hardware video encoder. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master