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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/cast/video_sender/video_encoder_impl.h" | 5 #include "media/cast/sender/video_encoder_impl.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/bind_helpers.h" | 8 #include "base/bind_helpers.h" |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/message_loop/message_loop.h" | 11 #include "base/message_loop/message_loop.h" |
12 #include "media/base/video_frame.h" | 12 #include "media/base/video_frame.h" |
13 #include "media/cast/cast_defines.h" | 13 #include "media/cast/cast_defines.h" |
14 #include "media/cast/video_sender/codecs/vp8/vp8_encoder.h" | 14 #include "media/cast/sender/fake_software_video_encoder.h" |
15 #include "media/cast/video_sender/fake_software_video_encoder.h" | 15 #include "media/cast/sender/vp8_encoder.h" |
16 | 16 |
17 namespace media { | 17 namespace media { |
18 namespace cast { | 18 namespace cast { |
19 | 19 |
20 namespace { | 20 namespace { |
21 | 21 |
22 typedef base::Callback<void(Vp8Encoder*)> PassEncoderCallback; | 22 typedef base::Callback<void(Vp8Encoder*)> PassEncoderCallback; |
23 | 23 |
24 void InitializeEncoderOnEncoderThread( | 24 void InitializeEncoderOnEncoderThread( |
25 const scoped_refptr<CastEnvironment>& environment, | 25 const scoped_refptr<CastEnvironment>& environment, |
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36 const VideoEncoderImpl::CodecDynamicConfig& dynamic_config, | 36 const VideoEncoderImpl::CodecDynamicConfig& dynamic_config, |
37 const VideoEncoderImpl::FrameEncodedCallback& frame_encoded_callback) { | 37 const VideoEncoderImpl::FrameEncodedCallback& frame_encoded_callback) { |
38 DCHECK(environment->CurrentlyOn(CastEnvironment::VIDEO)); | 38 DCHECK(environment->CurrentlyOn(CastEnvironment::VIDEO)); |
39 if (dynamic_config.key_frame_requested) { | 39 if (dynamic_config.key_frame_requested) { |
40 encoder->GenerateKeyFrame(); | 40 encoder->GenerateKeyFrame(); |
41 } | 41 } |
42 encoder->LatestFrameIdToReference( | 42 encoder->LatestFrameIdToReference( |
43 dynamic_config.latest_frame_id_to_reference); | 43 dynamic_config.latest_frame_id_to_reference); |
44 encoder->UpdateRates(dynamic_config.bit_rate); | 44 encoder->UpdateRates(dynamic_config.bit_rate); |
45 | 45 |
46 scoped_ptr<transport::EncodedFrame> encoded_frame( | 46 scoped_ptr<EncodedFrame> encoded_frame( |
47 new transport::EncodedFrame()); | 47 new EncodedFrame()); |
48 if (!encoder->Encode(video_frame, encoded_frame.get())) { | 48 if (!encoder->Encode(video_frame, encoded_frame.get())) { |
49 VLOG(1) << "Encoding failed"; | 49 VLOG(1) << "Encoding failed"; |
50 return; | 50 return; |
51 } | 51 } |
52 if (encoded_frame->data.empty()) { | 52 if (encoded_frame->data.empty()) { |
53 VLOG(1) << "Encoding resulted in an empty frame"; | 53 VLOG(1) << "Encoding resulted in an empty frame"; |
54 return; | 54 return; |
55 } | 55 } |
56 encoded_frame->rtp_timestamp = transport::GetVideoRtpTimestamp(capture_time); | 56 encoded_frame->rtp_timestamp = GetVideoRtpTimestamp(capture_time); |
57 encoded_frame->reference_time = capture_time; | 57 encoded_frame->reference_time = capture_time; |
58 | 58 |
59 environment->PostTask( | 59 environment->PostTask( |
60 CastEnvironment::MAIN, | 60 CastEnvironment::MAIN, |
61 FROM_HERE, | 61 FROM_HERE, |
62 base::Bind( | 62 base::Bind( |
63 frame_encoded_callback, base::Passed(&encoded_frame))); | 63 frame_encoded_callback, base::Passed(&encoded_frame))); |
64 } | 64 } |
65 } // namespace | 65 } // namespace |
66 | 66 |
67 VideoEncoderImpl::VideoEncoderImpl( | 67 VideoEncoderImpl::VideoEncoderImpl( |
68 scoped_refptr<CastEnvironment> cast_environment, | 68 scoped_refptr<CastEnvironment> cast_environment, |
69 const VideoSenderConfig& video_config, | 69 const VideoSenderConfig& video_config, |
70 int max_unacked_frames) | 70 int max_unacked_frames) |
71 : cast_environment_(cast_environment) { | 71 : cast_environment_(cast_environment) { |
72 if (video_config.codec == transport::CODEC_VIDEO_VP8) { | 72 if (video_config.codec == CODEC_VIDEO_VP8) { |
73 encoder_.reset(new Vp8Encoder(video_config, max_unacked_frames)); | 73 encoder_.reset(new Vp8Encoder(video_config, max_unacked_frames)); |
74 cast_environment_->PostTask(CastEnvironment::VIDEO, | 74 cast_environment_->PostTask(CastEnvironment::VIDEO, |
75 FROM_HERE, | 75 FROM_HERE, |
76 base::Bind(&InitializeEncoderOnEncoderThread, | 76 base::Bind(&InitializeEncoderOnEncoderThread, |
77 cast_environment, | 77 cast_environment, |
78 encoder_.get())); | 78 encoder_.get())); |
79 #ifndef OFFICIAL_BUILD | 79 #ifndef OFFICIAL_BUILD |
80 } else if (video_config.codec == transport::CODEC_VIDEO_FAKE) { | 80 } else if (video_config.codec == CODEC_VIDEO_FAKE) { |
81 encoder_.reset(new FakeSoftwareVideoEncoder(video_config)); | 81 encoder_.reset(new FakeSoftwareVideoEncoder(video_config)); |
82 #endif | 82 #endif |
83 } else { | 83 } else { |
84 DCHECK(false) << "Invalid config"; // Codec not supported. | 84 DCHECK(false) << "Invalid config"; // Codec not supported. |
85 } | 85 } |
86 | 86 |
87 dynamic_config_.key_frame_requested = false; | 87 dynamic_config_.key_frame_requested = false; |
88 dynamic_config_.latest_frame_id_to_reference = kStartFrameId; | 88 dynamic_config_.latest_frame_id_to_reference = kStartFrameId; |
89 dynamic_config_.bit_rate = video_config.start_bitrate; | 89 dynamic_config_.bit_rate = video_config.start_bitrate; |
90 } | 90 } |
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129 dynamic_config_.key_frame_requested = true; | 129 dynamic_config_.key_frame_requested = true; |
130 } | 130 } |
131 | 131 |
132 // Inform the encoder to only reference frames older or equal to frame_id; | 132 // Inform the encoder to only reference frames older or equal to frame_id; |
133 void VideoEncoderImpl::LatestFrameIdToReference(uint32 frame_id) { | 133 void VideoEncoderImpl::LatestFrameIdToReference(uint32 frame_id) { |
134 dynamic_config_.latest_frame_id_to_reference = frame_id; | 134 dynamic_config_.latest_frame_id_to_reference = frame_id; |
135 } | 135 } |
136 | 136 |
137 } // namespace cast | 137 } // namespace cast |
138 } // namespace media | 138 } // namespace media |
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