haiku/src/kits/media/SoundPlayNode.h
Axel Dörfler 04c71a2f1d * Removed code duplication, SetBufferGroup() will now use AllocateBuffers()
instead of doing the same manually.
* AllocateBuffers() is now returning a status code.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34499 a95241bf-73f2-0310-859d-f6bbb57e9c96
2009-12-05 10:46:49 +00:00

153 lines
4.3 KiB
C++

/*
* Copyright 2002-2009, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Marcus Overhagen
* Jérôme Duval
*/
#ifndef _SOUND_PLAY_NODE_H
#define _SOUND_PLAY_NODE_H
#include <Buffer.h>
#include <BufferGroup.h>
#include <BufferProducer.h>
#include <MediaEventLooper.h>
#include <SoundPlayer.h>
namespace BPrivate {
class SoundPlayNode : public BBufferProducer, public BMediaEventLooper {
public:
SoundPlayNode(const char* name,
BSoundPlayer* player);
virtual ~SoundPlayNode();
bool IsPlaying();
bigtime_t CurrentTime();
// BMediaNode methods
virtual BMediaAddOn* AddOn(int32* _internalID) const;
protected:
virtual void Preroll();
public:
virtual status_t HandleMessage(int32 message, const void* data,
size_t size);
protected:
virtual void NodeRegistered();
virtual status_t RequestCompleted(
const media_request_info& info);
virtual void SetTimeSource(BTimeSource* timeSource);
virtual void SetRunMode(run_mode mode);
// BBufferProducer methods
virtual status_t FormatSuggestionRequested(media_type type,
int32 quality, media_format* format);
virtual status_t FormatProposal(const media_source& output,
media_format* format);
virtual status_t FormatChangeRequested(
const media_source& source,
const media_destination& destination,
media_format* format, int32* _deprecated_);
virtual status_t GetNextOutput(int32* cookie,
media_output* _output);
virtual status_t DisposeOutputCookie(int32 cookie);
virtual status_t SetBufferGroup(const media_source& forSource,
BBufferGroup* group);
virtual status_t GetLatency(bigtime_t* _latency);
virtual status_t PrepareToConnect(const media_source& what,
const media_destination& where,
media_format* format, media_source* _source,
char* _name);
virtual void Connect(status_t error,
const media_source& source,
const media_destination& destination,
const media_format& format,
char* name);
virtual void Disconnect(const media_source& what,
const media_destination& where);
virtual void LateNoticeReceived(const media_source& what,
bigtime_t howMuch,
bigtime_t performanceTime);
virtual void EnableOutput(const media_source& what,
bool enabled, int32* _deprecated_);
virtual void AdditionalBufferRequested(
const media_source& source,
media_buffer_id previousBuffer,
bigtime_t previousTime,
const media_seek_tag* previousTag);
virtual void LatencyChanged(const media_source& source,
const media_destination& destination,
bigtime_t newLatency, uint32 flags);
// BMediaEventLooper methods
protected:
virtual void HandleEvent(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
public:
media_multi_audio_format Format() const;
protected:
virtual status_t HandleStart(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
virtual status_t HandleSeek(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
virtual status_t HandleWarp(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
virtual status_t HandleStop(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
virtual status_t SendNewBuffer(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
virtual status_t HandleDataStatus(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
virtual status_t HandleParameter(const media_timed_event* event,
bigtime_t lateness,
bool realTimeEvent = false);
status_t AllocateBuffers();
BBuffer* FillNextBuffer(bigtime_t eventTime);
private:
BSoundPlayer* fPlayer;
status_t fInitStatus;
bool fOutputEnabled;
media_output fOutput;
BBufferGroup* fBufferGroup;
bigtime_t fLatency;
bigtime_t fInternalLatency;
bigtime_t fStartTime;
uint64 fFramesSent;
int32 fTooEarlyCount;
};
} // namespace BPrivate
#endif // _SOUND_PLAY_NODE_H