72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
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//============ Copyright (c) Valve Corporation, All rights reserved. ============
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#ifndef ISTEAMMUSIC_H
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#define ISTEAMMUSIC_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "steam_api_common.h"
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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enum AudioPlayback_Status
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{
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AudioPlayback_Undefined = 0,
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AudioPlayback_Playing = 1,
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AudioPlayback_Paused = 2,
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AudioPlayback_Idle = 3
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};
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//-----------------------------------------------------------------------------
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// Purpose: Functions to control music playback in the steam client
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//-----------------------------------------------------------------------------
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class ISteamMusic
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{
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public:
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virtual bool BIsEnabled() = 0;
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virtual bool BIsPlaying() = 0;
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virtual AudioPlayback_Status GetPlaybackStatus() = 0;
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virtual void Play() = 0;
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virtual void Pause() = 0;
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virtual void PlayPrevious() = 0;
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virtual void PlayNext() = 0;
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// volume is between 0.0 and 1.0
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virtual void SetVolume( float flVolume ) = 0;
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virtual float GetVolume() = 0;
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};
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#define STEAMMUSIC_INTERFACE_VERSION "STEAMMUSIC_INTERFACE_VERSION001"
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// Global interface accessor
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inline ISteamMusic *SteamMusic();
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STEAM_DEFINE_USER_INTERFACE_ACCESSOR( ISteamMusic *, SteamMusic, STEAMMUSIC_INTERFACE_VERSION );
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// callbacks
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#if defined( VALVE_CALLBACK_PACK_SMALL )
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#pragma pack( push, 4 )
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#elif defined( VALVE_CALLBACK_PACK_LARGE )
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#pragma pack( push, 8 )
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#else
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#error steam_api_common.h should define VALVE_CALLBACK_PACK_xxx
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#endif
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STEAM_CALLBACK_BEGIN( PlaybackStatusHasChanged_t, k_iSteamMusicCallbacks + 1 )
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STEAM_CALLBACK_END(0)
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STEAM_CALLBACK_BEGIN( VolumeHasChanged_t, k_iSteamMusicCallbacks + 2 )
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STEAM_CALLBACK_MEMBER( 0, float, m_flNewVolume )
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STEAM_CALLBACK_END(1)
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#pragma pack( pop )
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#endif // #define ISTEAMMUSIC_H
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