| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_ |
| #define MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/time/time.h" |
| #include "media/base/demuxer_stream.h" |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| class DemuxerAndroidClient; |
| struct DemuxerConfigs; |
| struct DemuxerData; |
| |
| // Defines a demuxer with asynchronous operations. |
| class MEDIA_EXPORT DemuxerAndroid { |
| public: |
| virtual ~DemuxerAndroid() {} |
| |
| // Initializes this demuxer with |client| as the callback handler. |
| // Must be called prior to calling any other methods. |
| virtual void Initialize(DemuxerAndroidClient* client) = 0; |
| |
| // Called to request additional data from the demuxer. |
| virtual void RequestDemuxerData(media::DemuxerStream::Type type) = 0; |
| |
| // Called to request the demuxer to seek to a particular media time. |
| // |is_browser_seek| is true if the renderer is not previously expecting this |
| // seek and must coordinate with other regular seeks. Browser seek existence |
| // should be hidden as much as possible from the renderer player and web apps. |
| // TODO(wolenetz): Instead of doing browser seek, replay cached data since |
| // last keyframe. See http://crbug.com/304234. |
| virtual void RequestDemuxerSeek(const base::TimeDelta& time_to_seek, |
| bool is_browser_seek) = 0; |
| }; |
| |
| // Defines the client callback interface. |
| class MEDIA_EXPORT DemuxerAndroidClient { |
| public: |
| // Called when the demuxer has initialized. |
| virtual void OnDemuxerConfigsAvailable(const DemuxerConfigs& params) = 0; |
| |
| // Called in response to RequestDemuxerData(). |
| virtual void OnDemuxerDataAvailable(const DemuxerData& params) = 0; |
| |
| // Called in response to RequestDemuxerSeek(). |
| // If this is in response to a request with |is_browser_seek| set to true, |
| // then |actual_browser_seek_time| may differ from the requested |
| // |time_to_seek|, and reflects the actual time seeked to by the demuxer. |
| // For regular demuxer seeks, |actual_browser_seek_time| is kNoTimestamp() and |
| // should be ignored by browser player. |
| virtual void OnDemuxerSeekDone( |
| base::TimeDelta actual_browser_seek_time) = 0; |
| |
| // Called whenever the demuxer has detected a duration change. |
| virtual void OnDemuxerDurationChanged(base::TimeDelta duration) = 0; |
| |
| protected: |
| virtual ~DemuxerAndroidClient() {} |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_ |