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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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_FILTERS_ANDROID_MEDIA_CODEC_AUDIO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_ANDROID_MEDIA_CODEC_AUDIO_DECODER_H_ |
6 #define MEDIA_FILTERS_ANDROID_MEDIA_CODEC_AUDIO_DECODER_H_ | 6 #define MEDIA_FILTERS_ANDROID_MEDIA_CODEC_AUDIO_DECODER_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <memory> | 9 #include <memory> |
10 #include <utility> | 10 #include <utility> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
15 #include "base/time/time.h" | 15 #include "base/time/time.h" |
16 #include "base/timer/timer.h" | 16 #include "base/timer/timer.h" |
17 #include "media/base/android/media_codec_loop.h" | 17 #include "media/base/android/media_codec_loop.h" |
18 #include "media/base/android/media_drm_bridge_cdm_context.h" | 18 #include "media/base/android/media_drm_bridge_cdm_context.h" |
| 19 #include "media/base/audio_buffer.h" |
19 #include "media/base/audio_decoder.h" | 20 #include "media/base/audio_decoder.h" |
20 #include "media/base/audio_decoder_config.h" | 21 #include "media/base/audio_decoder_config.h" |
21 #include "media/base/media_export.h" | 22 #include "media/base/media_export.h" |
22 | 23 |
23 // MediaCodecAudioDecoder is based on Android's MediaCodec API. | 24 // MediaCodecAudioDecoder is based on Android's MediaCodec API. |
24 // The MediaCodec API is required to play encrypted (as in EME) content on | 25 // The MediaCodec API is required to play encrypted (as in EME) content on |
25 // Android. It is also a way to employ hardware-accelerated decoding. | 26 // Android. It is also a way to employ hardware-accelerated decoding. |
26 | 27 |
27 // Implementation notes. | 28 // Implementation notes. |
28 // | 29 // |
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185 // CDM related stuff. | 186 // CDM related stuff. |
186 | 187 |
187 // CDM context that knowns about MediaCrypto. Owned by CDM which is external | 188 // CDM context that knowns about MediaCrypto. Owned by CDM which is external |
188 // to this decoder. | 189 // to this decoder. |
189 MediaDrmBridgeCdmContext* media_drm_bridge_cdm_context_; | 190 MediaDrmBridgeCdmContext* media_drm_bridge_cdm_context_; |
190 | 191 |
191 // MediaDrmBridge requires registration/unregistration of the player, this | 192 // MediaDrmBridge requires registration/unregistration of the player, this |
192 // registration id is used for this. | 193 // registration id is used for this. |
193 int cdm_registration_id_; | 194 int cdm_registration_id_; |
194 | 195 |
| 196 // Pool which helps avoid thrashing memory when returning audio buffers. |
| 197 scoped_refptr<AudioBufferMemoryPool> pool_; |
| 198 |
195 // The MediaCrypto object is used in the MediaCodec.configure() in case of | 199 // The MediaCrypto object is used in the MediaCodec.configure() in case of |
196 // an encrypted stream. | 200 // an encrypted stream. |
197 media::MediaDrmBridgeCdmContext::JavaObjectPtr media_crypto_; | 201 media::MediaDrmBridgeCdmContext::JavaObjectPtr media_crypto_; |
198 | 202 |
199 base::WeakPtrFactory<MediaCodecAudioDecoder> weak_factory_; | 203 base::WeakPtrFactory<MediaCodecAudioDecoder> weak_factory_; |
200 | 204 |
201 DISALLOW_COPY_AND_ASSIGN(MediaCodecAudioDecoder); | 205 DISALLOW_COPY_AND_ASSIGN(MediaCodecAudioDecoder); |
202 }; | 206 }; |
203 | 207 |
204 } // namespace media | 208 } // namespace media |
205 | 209 |
206 #endif // MEDIA_FILTERS_ANDROID_MEDIA_CODEC_AUDIO_DECODER_H_ | 210 #endif // MEDIA_FILTERS_ANDROID_MEDIA_CODEC_AUDIO_DECODER_H_ |
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