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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef MEDIA_BASE_ANDROID_MEDIA_CODEC_DECODER_H_ | 5 #ifndef MEDIA_BASE_ANDROID_MEDIA_CODEC_DECODER_H_ |
6 #define MEDIA_BASE_ANDROID_MEDIA_CODEC_DECODER_H_ | 6 #define MEDIA_BASE_ANDROID_MEDIA_CODEC_DECODER_H_ |
7 | 7 |
8 #include "base/android/scoped_java_ref.h" | 8 #include "base/android/scoped_java_ref.h" |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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223 // a delayed task to do it at a later time, | 223 // a delayed task to do it at a later time, |
224 virtual void Render(int buffer_index, | 224 virtual void Render(int buffer_index, |
225 size_t size, | 225 size_t size, |
226 bool render_output, | 226 bool render_output, |
227 base::TimeDelta pts, | 227 base::TimeDelta pts, |
228 bool eos_encountered) = 0; | 228 bool eos_encountered) = 0; |
229 | 229 |
230 // Returns the number of delayed task (we might have them for video). | 230 // Returns the number of delayed task (we might have them for video). |
231 virtual int NumDelayedRenderTasks() const; | 231 virtual int NumDelayedRenderTasks() const; |
232 | 232 |
233 // Releases output buffers that are dequeued and not released yet | 233 // Releases output buffers that are dequeued and not released yet (video) |
234 // because their rendering is delayed (video). | 234 // if the |release| parameter is set and then remove the references to them. |
235 virtual void ReleaseDelayedBuffers() {} | 235 virtual void ClearDelayedBuffers(bool release) {} |
236 | 236 |
237 #ifndef NDEBUG | 237 #ifndef NDEBUG |
238 // For video, checks that access unit is the key frame or stand-alone EOS. | 238 // For video, checks that access unit is the key frame or stand-alone EOS. |
239 virtual void VerifyUnitIsKeyFrame(const AccessUnit* unit) const {} | 239 virtual void VerifyUnitIsKeyFrame(const AccessUnit* unit) const {} |
240 #endif | 240 #endif |
241 | 241 |
242 // Helper methods. | 242 // Helper methods. |
243 | 243 |
244 // Notifies the decoder if the frame is the last one. | 244 // Notifies the decoder if the frame is the last one. |
245 void CheckLastFrame(bool eos_encountered, bool has_delayed_tasks); | 245 void CheckLastFrame(bool eos_encountered, bool has_delayed_tasks); |
246 | 246 |
247 // Protected data. | 247 // Protected data. |
248 | 248 |
249 // Object for posting tasks on Media thread. | 249 // Object for posting tasks on Media thread. |
250 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; | 250 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; |
251 | 251 |
252 // Controls Android MediaCodec | 252 // Controls Android MediaCodec |
253 scoped_ptr<MediaCodecBridge> media_codec_bridge_; | 253 scoped_ptr<MediaCodecBridge> media_codec_bridge_; |
254 | 254 |
255 // We call MediaCodecBridge on this thread for both | 255 // We call MediaCodecBridge on this thread for both |
256 // input and output buffers. | 256 // input and output buffers. |
257 base::Thread decoder_thread_; | 257 base::Thread decoder_thread_; |
258 | 258 |
259 // The queue of access units. | 259 // The queue of access units. |
260 AccessUnitQueue au_queue_; | 260 AccessUnitQueue au_queue_; |
261 | 261 |
| 262 // Flag forces reconfiguration even if |media_codec_bridge_| exists. Currently |
| 263 // is set by video decoder when the video surface changes. |
| 264 bool needs_reconfigure_; |
| 265 |
262 private: | 266 private: |
263 enum DecoderState { | 267 enum DecoderState { |
264 kStopped = 0, | 268 kStopped = 0, |
265 kPrefetching, | 269 kPrefetching, |
266 kPrefetched, | 270 kPrefetched, |
267 kRunning, | 271 kRunning, |
268 kStopping, | 272 kStopping, |
| 273 kInEmergencyStop, |
269 kError, | 274 kError, |
270 }; | 275 }; |
271 | 276 |
272 // Helper method that processes an error from MediaCodec. | 277 // Helper method that processes an error from MediaCodec. |
273 void OnCodecError(); | 278 void OnCodecError(); |
274 | 279 |
275 // Requests data. Ensures there is no more than one request at a time. | 280 // Requests data. Ensures there is no more than one request at a time. |
276 void RequestData(); | 281 void RequestData(); |
277 | 282 |
278 // Prefetching callback that is posted to Media thread | 283 // Prefetching callback that is posted to Media thread |
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340 | 345 |
341 // NOTE: Weak pointers must be invalidated before all other member variables. | 346 // NOTE: Weak pointers must be invalidated before all other member variables. |
342 base::WeakPtrFactory<MediaCodecDecoder> weak_factory_; | 347 base::WeakPtrFactory<MediaCodecDecoder> weak_factory_; |
343 | 348 |
344 DISALLOW_COPY_AND_ASSIGN(MediaCodecDecoder); | 349 DISALLOW_COPY_AND_ASSIGN(MediaCodecDecoder); |
345 }; | 350 }; |
346 | 351 |
347 } // namespace media | 352 } // namespace media |
348 | 353 |
349 #endif // MEDIA_BASE_ANDROID_MEDIA_CODEC_DECODER_H_ | 354 #endif // MEDIA_BASE_ANDROID_MEDIA_CODEC_DECODER_H_ |
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