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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 "chromecast/renderer/media/audio_pipeline_proxy.h" | 5 #include "chromecast/renderer/media/audio_pipeline_proxy.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/callback_helpers.h" | 8 #include "base/callback_helpers.h" |
9 #include "base/memory/shared_memory.h" | 9 #include "base/memory/shared_memory.h" |
10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
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188 kAudioTrackId, volume))); | 188 kAudioTrackId, volume))); |
189 } | 189 } |
190 | 190 |
191 void AudioPipelineProxyInternal::OnStateChanged( | 191 void AudioPipelineProxyInternal::OnStateChanged( |
192 ::media::PipelineStatus status) { | 192 ::media::PipelineStatus status) { |
193 DCHECK(thread_checker_.CalledOnValidThread()); | 193 DCHECK(thread_checker_.CalledOnValidThread()); |
194 DCHECK(!status_cb_.is_null()); | 194 DCHECK(!status_cb_.is_null()); |
195 base::ResetAndReturn(&status_cb_).Run(status); | 195 base::ResetAndReturn(&status_cb_).Run(status); |
196 } | 196 } |
197 | 197 |
198 | 198 // A macro runs current member function on |io_task_runner_| thread. |
199 // A macro runs current member function on |io_message_loop_proxy_| thread. | 199 #define FORWARD_ON_IO_THREAD(param_fn, ...) \ |
200 #define FORWARD_ON_IO_THREAD(param_fn, ...) \ | 200 io_task_runner_->PostTask( \ |
201 io_message_loop_proxy_->PostTask( \ | 201 FROM_HERE, base::Bind(&AudioPipelineProxyInternal::param_fn, \ |
202 FROM_HERE, \ | 202 base::Unretained(proxy_.get()), ##__VA_ARGS__)) |
203 base::Bind(&AudioPipelineProxyInternal::param_fn, \ | |
204 base::Unretained(proxy_.get()), ##__VA_ARGS__)) | |
205 | 203 |
206 AudioPipelineProxy::AudioPipelineProxy( | 204 AudioPipelineProxy::AudioPipelineProxy( |
207 scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy, | 205 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner, |
208 scoped_refptr<MediaChannelProxy> media_channel_proxy) | 206 scoped_refptr<MediaChannelProxy> media_channel_proxy) |
209 : io_message_loop_proxy_(io_message_loop_proxy), | 207 : io_task_runner_(io_task_runner), |
210 proxy_(new AudioPipelineProxyInternal(media_channel_proxy)), | 208 proxy_(new AudioPipelineProxyInternal(media_channel_proxy)), |
211 audio_streamer_(new AvStreamerProxy()), | 209 audio_streamer_(new AvStreamerProxy()), |
212 weak_factory_(this) { | 210 weak_factory_(this) { |
213 DCHECK(io_message_loop_proxy_.get()); | 211 DCHECK(io_task_runner_.get()); |
214 weak_this_ = weak_factory_.GetWeakPtr(); | 212 weak_this_ = weak_factory_.GetWeakPtr(); |
215 thread_checker_.DetachFromThread(); | 213 thread_checker_.DetachFromThread(); |
216 } | 214 } |
217 | 215 |
218 AudioPipelineProxy::~AudioPipelineProxy() { | 216 AudioPipelineProxy::~AudioPipelineProxy() { |
219 DCHECK(thread_checker_.CalledOnValidThread()); | 217 DCHECK(thread_checker_.CalledOnValidThread()); |
220 // Release the underlying object on the right thread. | 218 // Release the underlying object on the right thread. |
221 io_message_loop_proxy_->PostTask( | 219 io_task_runner_->PostTask( |
222 FROM_HERE, | 220 FROM_HERE, |
223 base::Bind(&AudioPipelineProxyInternal::Release, base::Passed(&proxy_))); | 221 base::Bind(&AudioPipelineProxyInternal::Release, base::Passed(&proxy_))); |
224 } | 222 } |
225 | 223 |
226 void AudioPipelineProxy::SetClient( | 224 void AudioPipelineProxy::SetClient( |
227 const AvPipelineClient& client) { | 225 const AvPipelineClient& client) { |
228 DCHECK(thread_checker_.CalledOnValidThread()); | 226 DCHECK(thread_checker_.CalledOnValidThread()); |
229 base::Closure pipe_read_cb = ::media::BindToCurrentLoop( | 227 base::Closure pipe_read_cb = ::media::BindToCurrentLoop( |
230 base::Bind(&AudioPipelineProxy::OnPipeRead, weak_this_)); | 228 base::Bind(&AudioPipelineProxy::OnPipeRead, weak_this_)); |
231 FORWARD_ON_IO_THREAD(SetClient, pipe_read_cb, client); | 229 FORWARD_ON_IO_THREAD(SetClient, pipe_read_cb, client); |
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302 } | 300 } |
303 | 301 |
304 void AudioPipelineProxy::OnPipeRead() { | 302 void AudioPipelineProxy::OnPipeRead() { |
305 DCHECK(thread_checker_.CalledOnValidThread()); | 303 DCHECK(thread_checker_.CalledOnValidThread()); |
306 if (audio_streamer_) | 304 if (audio_streamer_) |
307 audio_streamer_->OnFifoReadEvent(); | 305 audio_streamer_->OnFifoReadEvent(); |
308 } | 306 } |
309 | 307 |
310 } // namespace cma | 308 } // namespace cma |
311 } // namespace chromecast | 309 } // namespace chromecast |
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