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// 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 ID-based asynchronous operations.
//
// TODO(scherkus): Remove |demuxer_client_id| and Add/RemoveDemuxerClient().
// It's required in the interim as the Android Media Source implementation uses
// the MediaPlayerAndroid interface and associated IPC messages.
class MEDIA_EXPORT DemuxerAndroid {
public:
// Associates |client| with the demuxer using |demuxer_client_id| as the
// identifier. Must be called prior to calling any other methods.
virtual void AddDemuxerClient(int demuxer_client_id,
DemuxerAndroidClient* client) = 0;
// Removes the association created by AddClient(). Must be called when the
// client no longer wants to receive updates.
virtual void RemoveDemuxerClient(int demuxer_client_id) = 0;
// Called to request the current audio/video decoder configurations.
virtual void RequestDemuxerConfigs(int demuxer_client_id) = 0;
// Called to request additiona data from the demuxer.
virtual void RequestDemuxerData(int demuxer_client_id,
media::DemuxerStream::Type type) = 0;
// Called to request the demuxer to seek to a particular media time.
virtual void RequestDemuxerSeek(int demuxer_client_id,
base::TimeDelta time_to_seek,
unsigned seek_request_id) = 0;
protected:
virtual ~DemuxerAndroid() {}
};
// Defines the client callback interface.
class MEDIA_EXPORT DemuxerAndroidClient {
public:
// Called in response to RequestDemuxerConfigs() and also when the demuxer has
// initialized.
//
// TODO(scherkus): Perhaps clients should be required to call
// RequestDemuxerConfigs() to initialize themselves instead of the demuxer
// calling this method without being prompted.
virtual void OnDemuxerConfigsAvailable(const DemuxerConfigs& params) = 0;
// Called in response to RequestDemuxerData().
virtual void OnDemuxerDataAvailable(const DemuxerData& params) = 0;
// Called in response to RequestDemuxerSeek().
virtual void OnDemuxerSeeked(unsigned seek_request_id) = 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_
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