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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 #ifndef MEDIA_MOJO_SERVICES_DEMUXER_STREAM_PROVIDER_SHIM_H_ | 5 #ifndef MEDIA_MOJO_SERVICES_MEDIA_RESOURCE_SHIM_H_ |
| 6 #define MEDIA_MOJO_SERVICES_DEMUXER_STREAM_PROVIDER_SHIM_H_ | 6 #define MEDIA_MOJO_SERVICES_MEDIA_RESOURCE_SHIM_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 | 9 |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
| 11 #include "base/macros.h" | 11 #include "base/macros.h" |
| 12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
| 13 #include "media/base/demuxer_stream_provider.h" | 13 #include "media/base/media_resource.h" |
| 14 #include "media/mojo/services/mojo_demuxer_stream_adapter.h" | 14 #include "media/mojo/services/mojo_demuxer_stream_adapter.h" |
| 15 | 15 |
| 16 namespace media { | 16 namespace media { |
| 17 | 17 |
| 18 // DemuxerStreamProvider shim for mojom::DemuxerStreams. | 18 // MediaResource shim for mojom::DemuxerStreams. |
| 19 class DemuxerStreamProviderShim : public DemuxerStreamProvider { | 19 class MediaResourceShim : public MediaResource { |
| 20 public: | 20 public: |
| 21 // Constructs the shim; at least a single audio or video stream must be | 21 // Constructs the shim; at least a single audio or video stream must be |
| 22 // provided. |demuxer_ready_cb| will be called once the streams have been | 22 // provided. |demuxer_ready_cb| will be called once the streams have been |
| 23 // initialized. Calling any method before then is an error. | 23 // initialized. Calling any method before then is an error. |
| 24 DemuxerStreamProviderShim(std::vector<mojom::DemuxerStreamPtr> streams, | 24 MediaResourceShim(std::vector<mojom::DemuxerStreamPtr> streams, |
| 25 const base::Closure& demuxer_ready_cb); | 25 const base::Closure& demuxer_ready_cb); |
| 26 ~DemuxerStreamProviderShim() override; | 26 ~MediaResourceShim() override; |
| 27 | 27 |
| 28 // DemuxerStreamProvider interface. | 28 // MediaResource interface. |
| 29 DemuxerStream* GetStream(DemuxerStream::Type type) override; | 29 DemuxerStream* GetStream(DemuxerStream::Type type) override; |
| 30 | 30 |
| 31 private: | 31 private: |
| 32 // Called as each mojom::DemuxerStream becomes ready. Once all streams | 32 // Called as each mojom::DemuxerStream becomes ready. Once all streams |
| 33 // are ready it will fire the |demuxer_ready_cb_| provided during | 33 // are ready it will fire the |demuxer_ready_cb_| provided during |
| 34 // construction. | 34 // construction. |
| 35 void OnStreamReady(); | 35 void OnStreamReady(); |
| 36 | 36 |
| 37 // Stored copy the ready callback provided during construction; cleared once | 37 // Stored copy the ready callback provided during construction; cleared once |
| 38 // all streams are ready. | 38 // all streams are ready. |
| 39 base::Closure demuxer_ready_cb_; | 39 base::Closure demuxer_ready_cb_; |
| 40 | 40 |
| 41 // Container for demuxer stream adapters which interface with the mojo level | 41 // Container for demuxer stream adapters which interface with the mojo level |
| 42 // demuxer streams. |streams_ready_| tracks how many streams are ready and is | 42 // demuxer streams. |streams_ready_| tracks how many streams are ready and is |
| 43 // used by OnStreamReady() to know when |demuxer_ready_cb_| should be fired. | 43 // used by OnStreamReady() to know when |demuxer_ready_cb_| should be fired. |
| 44 std::vector<std::unique_ptr<MojoDemuxerStreamAdapter>> streams_; | 44 std::vector<std::unique_ptr<MojoDemuxerStreamAdapter>> streams_; |
| 45 size_t streams_ready_; | 45 size_t streams_ready_; |
| 46 | 46 |
| 47 // WeakPtrFactorys must always be the last member variable. | 47 // WeakPtrFactorys must always be the last member variable. |
| 48 base::WeakPtrFactory<DemuxerStreamProviderShim> weak_factory_; | 48 base::WeakPtrFactory<MediaResourceShim> weak_factory_; |
| 49 | 49 |
| 50 DISALLOW_COPY_AND_ASSIGN(DemuxerStreamProviderShim); | 50 DISALLOW_COPY_AND_ASSIGN(MediaResourceShim); |
| 51 }; | 51 }; |
| 52 | 52 |
| 53 } // namespace media | 53 } // namespace media |
| 54 | 54 |
| 55 #endif // MEDIA_MOJO_SERVICES_DEMUXER_STREAM_PROVIDER_SHIM_H_ | 55 #endif // MEDIA_MOJO_SERVICES_MEDIA_RESOURCE_SHIM_H_ |
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