mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-21 10:25:57 +01:00
72 lines
3.2 KiB
C++
72 lines
3.2 KiB
C++
#pragma once
|
|
#include "foundation/dispatch.h"
|
|
#include "foundation/error.h"
|
|
#include "types.h"
|
|
#include "svc_output.h"
|
|
#include "ifc_playback_parameters.h"
|
|
|
|
/* Note that since a typical ifc_playback implementation
|
|
is running on another thread, most functions will always succeed (except for out of memory or thread creation problems)
|
|
but might report an error later to the ifc_player object that was passed
|
|
when creating the playback object */
|
|
|
|
class NOVTABLE ifc_playback : public Wasabi2::Dispatchable
|
|
{
|
|
protected:
|
|
ifc_playback() : Dispatchable(NUM_DISPATCH_CODES) {}
|
|
~ifc_playback() {}
|
|
public:
|
|
/* optionally call Cue before calling Play to set the start and end positions
|
|
in a cuesheet situation, these will might also get called after
|
|
you indicate that cue end position has been reached */
|
|
int Cue(Agave_PositionType position_type, Agave_Position start, Agave_Position end) { return Playback_Cue(position_type, start, end); }
|
|
// start only version of Cue
|
|
int CueStart(Agave_PositionType position_type, Agave_Position start) { return Playback_CueStart(position_type, start); }
|
|
|
|
// begins playback.
|
|
int Play(svc_output *output, ifc_playback_parameters *secondary_parameters) { return Playback_Play(output, secondary_parameters); }
|
|
|
|
int SeekSeconds(double seconds) { return Playback_SeekSeconds(seconds); }
|
|
|
|
// called on user-initiated stop. not called if the playback object indiciated a stop (e.g. EOF)
|
|
int Stop() { return Playback_Stop(); }
|
|
|
|
int Pause() { return Playback_Pause(); }
|
|
int Unpause() { return Playback_Unpause(); }
|
|
|
|
/* called to shut things down.
|
|
note that if your playback object is in a 'stopped' state,
|
|
it should be prepared to receive Cue/Play call until Close() is called */
|
|
int Close() { return Playback_Close(); }
|
|
|
|
/* most of the time, you'll pass SetVolume and SetPan on to the output object
|
|
but some special-use playback objects (e.g. analog CD playback) might have to implement this */
|
|
// 0 to 1.0
|
|
int SetVolume(float volume) { return Playback_SetVolume(volume); }
|
|
// -1.0 to 1.0
|
|
int SetPan(float pan) { return Playback_SetPan(pan); }
|
|
|
|
/* most of the time, you'll ignore SetEQ
|
|
but some special-use playback objects (e.g. analog CD playback) might have to implement this */
|
|
int SetEQ(float preamp, int num_bands, float *bands) { return Playback_SetEQ(preamp, num_bands, bands); }
|
|
|
|
enum
|
|
{
|
|
NUM_DISPATCH_CODES,
|
|
};
|
|
|
|
protected:
|
|
virtual int WASABICALL Playback_Cue(Agave_PositionType position_type, Agave_Position start, Agave_Position end) { return NErr_NotImplemented; }
|
|
virtual int WASABICALL Playback_CueStart(Agave_PositionType position_type, Agave_Position start) { return NErr_NotImplemented; }
|
|
virtual int WASABICALL Playback_Play(svc_output *output, ifc_playback_parameters *secondary_parameters)=0;
|
|
virtual int WASABICALL Playback_SeekSeconds(double seconds)=0;
|
|
virtual int WASABICALL Playback_Stop()=0;
|
|
virtual int WASABICALL Playback_Pause()=0;
|
|
virtual int WASABICALL Playback_Unpause()=0;
|
|
virtual int WASABICALL Playback_Close()=0;
|
|
virtual int WASABICALL Playback_SetVolume(float volume) { return NErr_NotImplemented; }
|
|
virtual int WASABICALL Playback_SetPan(float pan) { return NErr_NotImplemented; }
|
|
virtual int WASABICALL Playback_SetEQ(float preamp, int num_bands, float *bands) { return NErr_NotImplemented; }
|
|
};
|
|
|