haiku/headers/private/media/MediaClientNode.h
2016-11-24 01:22:27 +01:00

152 lines
4.3 KiB
C++
Executable File

/*
* Copyright 2015, Dario Casalinuovo. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _MEDIA_CLIENT_NODE_H
#define _MEDIA_CLIENT_NODE_H
#include <BufferConsumer.h>
#include <BufferProducer.h>
#include <Controllable.h>
#include <MediaDefs.h>
#include <MediaEventLooper.h>
namespace BPrivate { namespace media {
class BMediaClient;
class BMediaConnection;
class BMediaClientNode : public BBufferConsumer, public BBufferProducer,
public BMediaEventLooper {
public:
BMediaClientNode(const char* name,
BMediaClient* owner,
media_type type
= B_MEDIA_UNKNOWN_TYPE);
// Various useful stuff
status_t SendBuffer(BBuffer* buffer, BMediaConnection* conn);
protected:
virtual BMediaAddOn* AddOn(int32* id) const;
virtual void NodeRegistered();
virtual void SetRunMode(run_mode mode);
virtual void Start(bigtime_t performanceTime);
virtual void Stop(bigtime_t performanceTime,
bool immediate);
virtual void Seek(bigtime_t mediaTime,
bigtime_t performanceTime);
virtual void TimeWarp(bigtime_t realTime,
bigtime_t performanceTime);
virtual status_t HandleMessage(int32 message,
const void* data,
size_t size);
// BBufferConsumer
virtual status_t AcceptFormat(const media_destination& dest,
media_format* format);
virtual status_t GetNextInput(int32* cookie,
media_input* input);
virtual void DisposeInputCookie(int32 cookie);
virtual void BufferReceived(BBuffer* buffer);
virtual status_t GetLatencyFor(const media_destination& dest,
bigtime_t* latency,
media_node_id* timesource);
virtual status_t Connected(const media_source& source,
const media_destination& dest,
const media_format& format,
media_input* outInput);
virtual void Disconnected(const media_source& source,
const media_destination& dest);
virtual status_t FormatChanged(const media_source& source,
const media_destination& consumer,
int32 tag,
const media_format& format);
// BBufferProducer
virtual status_t FormatSuggestionRequested(media_type type,
int32 quality, media_format* format);
virtual status_t FormatProposal(const media_source& source,
media_format *format);
virtual status_t FormatChangeRequested(const media_source& source,
const media_destination& dest,
media_format *format,
int32* _deprecated_);
virtual void LateNoticeReceived(const media_source& source,
bigtime_t late, bigtime_t when);
virtual status_t GetNextOutput(int32 *cookie, media_output *output);
virtual status_t DisposeOutputCookie(int32 cookie);
virtual status_t SetBufferGroup(const media_source& source,
BBufferGroup *group);
virtual status_t PrepareToConnect(const media_source& source,
const media_destination& dest,
media_format *format,
media_source *out_source,
char *name);
virtual void Connect(status_t status,
const media_source& source,
const media_destination& dest,
const media_format &format,
char* name);
virtual void Disconnect(const media_source& source,
const media_destination& dest);
virtual void EnableOutput(const media_source& source,
bool enabled, int32* _deprecated_);
virtual status_t GetLatency(bigtime_t *outLatency);
virtual void LatencyChanged( const media_source& source,
const media_destination& dest,
bigtime_t latency, uint32 flags);
void ProducerDataStatus(const media_destination& dest,
int32 status, bigtime_t when);
protected:
virtual void HandleEvent(const media_timed_event *event,
bigtime_t late,
bool realTimeEvent=false);
virtual ~BMediaClientNode();
private:
void _HandleBuffer(BBuffer* buffer);
void _ProduceNewBuffer(const media_timed_event* event,
bigtime_t late);
void _HandleStart(bigtime_t performanceTime);
void _HandleStop(bigtime_t performanceTime,
bool immediate);
void _HandleSeek(bigtime_t mediaTime,
bigtime_t performanceTime);
void _HandleTimeWarp(bigtime_t realTime,
bigtime_t performanceTime);
BMediaClient* fOwner;
};
}
}
using namespace BPrivate::media;
#endif