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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "chrome/renderer/media/cast_rtp_stream.h" | 5 #include "chrome/renderer/media/cast_rtp_stream.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/debug/trace_event.h" | 8 #include "base/debug/trace_event.h" |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
| 11 #include "base/sys_info.h" | 11 #include "base/sys_info.h" |
| 12 #include "chrome/renderer/media/cast_session.h" | 12 #include "chrome/renderer/media/cast_session.h" |
| 13 #include "chrome/renderer/media/cast_udp_transport.h" | 13 #include "chrome/renderer/media/cast_udp_transport.h" |
| 14 #include "content/public/renderer/media_stream_audio_sink.h" | 14 #include "content/public/renderer/media_stream_audio_sink.h" |
| 15 #include "content/public/renderer/media_stream_video_sink.h" | 15 #include "content/public/renderer/media_stream_video_sink.h" |
| 16 #include "content/public/renderer/render_thread.h" | 16 #include "content/public/renderer/render_thread.h" |
| 17 #include "content/public/renderer/video_encode_accelerator.h" | 17 #include "content/public/renderer/video_encode_accelerator.h" |
| 18 #include "media/audio/audio_parameters.h" | 18 #include "media/audio/audio_parameters.h" |
| 19 #include "media/base/audio_bus.h" | 19 #include "media/base/audio_bus.h" |
| 20 #include "media/base/audio_fifo.h" | 20 #include "media/base/audio_fifo.h" |
| 21 #include "media/base/bind_to_current_loop.h" | 21 #include "media/base/bind_to_current_loop.h" |
| 22 #include "media/base/multi_channel_resampler.h" | 22 #include "media/base/multi_channel_resampler.h" |
| 23 #include "media/base/video_frame.h" | 23 #include "media/base/video_frame.h" |
| 24 #include "media/cast/cast_config.h" | 24 #include "media/cast/cast_config.h" |
| 25 #include "media/cast/cast_defines.h" | 25 #include "media/cast/cast_defines.h" |
| 26 #include "media/cast/cast_sender.h" | 26 #include "media/cast/cast_sender.h" |
| 27 #include "media/cast/transport/cast_transport_config.h" | 27 #include "media/cast/net/cast_transport_config.h" |
| 28 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" | 28 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" |
| 29 #include "ui/gfx/geometry/size.h" | 29 #include "ui/gfx/geometry/size.h" |
| 30 | 30 |
| 31 using media::cast::AudioSenderConfig; | 31 using media::cast::AudioSenderConfig; |
| 32 using media::cast::VideoSenderConfig; | 32 using media::cast::VideoSenderConfig; |
| 33 | 33 |
| 34 namespace { | 34 namespace { |
| 35 | 35 |
| 36 const char kCodecNameOpus[] = "OPUS"; | 36 const char kCodecNameOpus[] = "OPUS"; |
| 37 const char kCodecNameVp8[] = "VP8"; | 37 const char kCodecNameVp8[] = "VP8"; |
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| 161 config->rtp_payload_type = params.payload.payload_type; | 161 config->rtp_payload_type = params.payload.payload_type; |
| 162 config->use_external_encoder = false; | 162 config->use_external_encoder = false; |
| 163 config->frequency = params.payload.clock_rate; | 163 config->frequency = params.payload.clock_rate; |
| 164 if (config->frequency < 8000) | 164 if (config->frequency < 8000) |
| 165 return false; | 165 return false; |
| 166 config->channels = params.payload.channels; | 166 config->channels = params.payload.channels; |
| 167 if (config->channels < 1) | 167 if (config->channels < 1) |
| 168 return false; | 168 return false; |
| 169 config->bitrate = params.payload.max_bitrate * kBitrateMultiplier; | 169 config->bitrate = params.payload.max_bitrate * kBitrateMultiplier; |
| 170 if (params.payload.codec_name == kCodecNameOpus) | 170 if (params.payload.codec_name == kCodecNameOpus) |
| 171 config->codec = media::cast::transport::CODEC_AUDIO_OPUS; | 171 config->codec = media::cast::CODEC_AUDIO_OPUS; |
| 172 else | 172 else |
| 173 return false; | 173 return false; |
| 174 config->aes_key = params.payload.aes_key; | 174 config->aes_key = params.payload.aes_key; |
| 175 config->aes_iv_mask = params.payload.aes_iv_mask; | 175 config->aes_iv_mask = params.payload.aes_iv_mask; |
| 176 return true; | 176 return true; |
| 177 } | 177 } |
| 178 | 178 |
| 179 bool ToVideoSenderConfig(const CastRtpParams& params, | 179 bool ToVideoSenderConfig(const CastRtpParams& params, |
| 180 VideoSenderConfig* config) { | 180 VideoSenderConfig* config) { |
| 181 config->ssrc = params.payload.ssrc; | 181 config->ssrc = params.payload.ssrc; |
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| 194 // TODO(miu): Should the frame rate be parsed from the |params|? | 194 // TODO(miu): Should the frame rate be parsed from the |params|? |
| 195 config->max_frame_rate = 30; | 195 config->max_frame_rate = 30; |
| 196 config->min_bitrate = config->start_bitrate = | 196 config->min_bitrate = config->start_bitrate = |
| 197 params.payload.min_bitrate * kBitrateMultiplier; | 197 params.payload.min_bitrate * kBitrateMultiplier; |
| 198 config->max_bitrate = params.payload.max_bitrate * kBitrateMultiplier; | 198 config->max_bitrate = params.payload.max_bitrate * kBitrateMultiplier; |
| 199 if (config->min_bitrate > config->max_bitrate) | 199 if (config->min_bitrate > config->max_bitrate) |
| 200 return false; | 200 return false; |
| 201 config->start_bitrate = config->min_bitrate; | 201 config->start_bitrate = config->min_bitrate; |
| 202 if (params.payload.codec_name == kCodecNameVp8) { | 202 if (params.payload.codec_name == kCodecNameVp8) { |
| 203 config->use_external_encoder = IsHardwareVP8EncodingSupported(); | 203 config->use_external_encoder = IsHardwareVP8EncodingSupported(); |
| 204 config->codec = media::cast::transport::CODEC_VIDEO_VP8; | 204 config->codec = media::cast::CODEC_VIDEO_VP8; |
| 205 } else if (params.payload.codec_name == kCodecNameH264) { | 205 } else if (params.payload.codec_name == kCodecNameH264) { |
| 206 config->use_external_encoder = IsHardwareH264EncodingSupported(); | 206 config->use_external_encoder = IsHardwareH264EncodingSupported(); |
| 207 config->codec = media::cast::transport::CODEC_VIDEO_H264; | 207 config->codec = media::cast::CODEC_VIDEO_H264; |
| 208 } else { | 208 } else { |
| 209 return false; | 209 return false; |
| 210 } | 210 } |
| 211 if (!config->use_external_encoder) { | 211 if (!config->use_external_encoder) { |
| 212 config->number_of_encode_threads = NumberOfEncodeThreads(); | 212 config->number_of_encode_threads = NumberOfEncodeThreads(); |
| 213 } | 213 } |
| 214 config->aes_key = params.payload.aes_key; | 214 config->aes_key = params.payload.aes_key; |
| 215 config->aes_iv_mask = params.payload.aes_iv_mask; | 215 config->aes_iv_mask = params.payload.aes_iv_mask; |
| 216 return true; | 216 return true; |
| 217 } | 217 } |
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| 558 } | 558 } |
| 559 | 559 |
| 560 void CastRtpStream::DidEncounterError(const std::string& message) { | 560 void CastRtpStream::DidEncounterError(const std::string& message) { |
| 561 // Save the WeakPtr first because the error callback might delete this object. | 561 // Save the WeakPtr first because the error callback might delete this object. |
| 562 base::WeakPtr<CastRtpStream> ptr = weak_factory_.GetWeakPtr(); | 562 base::WeakPtr<CastRtpStream> ptr = weak_factory_.GetWeakPtr(); |
| 563 error_callback_.Run(message); | 563 error_callback_.Run(message); |
| 564 content::RenderThread::Get()->GetMessageLoop()->PostTask( | 564 content::RenderThread::Get()->GetMessageLoop()->PostTask( |
| 565 FROM_HERE, | 565 FROM_HERE, |
| 566 base::Bind(&CastRtpStream::Stop, ptr)); | 566 base::Bind(&CastRtpStream::Stop, ptr)); |
| 567 } | 567 } |
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