www.pudn.com > 播放mp3的控件.rar > args.h

#ifndef ARGS_H 
#define ARGS_H 
 
#include "common.h" 
#include "..\ESP\ElSound.h" 
#include  
 
class MPArgs { 
public: 
    unsigned long CurrentPos;   // Current player position in frames 
    unsigned long StartPos, EndPos; 
    unsigned long SampleRate;   // Samplerate - samples per second 
    unsigned long BufferSize;   // The size of the output buffer 
    unsigned long Buffers;      // The number of buffers  
    long Channels;              // Channels(1=mono;2=stereo) 
    long AudioBits;             // Bits per sample(ex. 16 bit) 
    long Format;                // ex. PCM_FORMAT 
    long AudioDevice;           // The audio device number which should be opened 
    long AudioMode;             // Audio type(ex. 16bit signed),currently not used   
    long ForceFreq;             // Force frequency? 
    bool BufferedInput;         // Not used 
    bool Seekable;              // Is the stream seekable? 
    bool UseHdrCB;              // Use output header callback 
    char *InName;               // Input stream filename  
    char *OutName;              // Output filename for wave output 
    long OutDeviceNum;          // Device number for MMSystem output 
    long ForceMono;             // Force mono output? 
    long Force8bit;             // Force 8-Bit output? 
    long ForceStereo;           // Force stereo output?  
    long DownSample;            // Downsample Modes 
    long UseEqualizer;          // Activate equalizer?  
    long PlayPriority;          // Play thread priority 
    void *Player; 
    void *Decoder; 
    esInputMode  InputMode;     
    esOutputMode OutputMode; 
    WaveOutCB BufferCB; 
    WaveOutActionCB OutActionCB; 
    InFileOpenCB InOpenCB; 
    InFileCloseCB InCloseCB; 
    InFileGetSizeCB InGetSizeCB; 
    InFileSeekCB InSeekCB; 
    InFileReadCB InReadCB; 
 
    // user-defined data for output callbacks 
    unsigned long OutCBData; 
     
    // user-defined data for input callbacks 
    unsigned long InCBData1; 
    unsigned long InCBData2; 
 
    HWND wnd; 
 
    MPArgs() { 
        InName = NULL; 
        OutName= NULL; 
        OutDeviceNum = 0; 
        BufferedInput = true; 
        CurrentPos = 0; 
        StartPos = 0; 
        EndPos = 0; 
        // No downsampling 
        DownSample = 0; 
        // Force Stereo output 
        ForceStereo = 0; 
        Format = 1; 
        AudioBits = 16; 
        SampleRate = 44100; 
        Channels = 2; 
        AudioMode = 1; 
        AudioDevice = 0; 
        BufferSize = 16384; 
        Buffers = 8; 
        BufferCB    = NULL; 
        UseHdrCB    = false; 
        Seekable    = true; 
        Force8bit   = 0; 
        ForceFreq   = -1; 
        ForceMono   = 0; 
        UseEqualizer= false; 
        PlayPriority= THREAD_PRIORITY_NORMAL; 
        OutCBData   = 0; 
        InCBData1   = 0; 
        InCBData2   = 0;  
        OutActionCB = NULL; 
        BufferCB    = NULL; 
        wnd         = 0; 
    } 
 
    ~MPArgs() { 
        if (InName) free(InName); 
        if (OutName) free(OutName); 
    } 
}; 
 
typedef int (*synthProc)(real *, int, unsigned char *, int *); 
typedef int (*synth_monoProc)(real *, unsigned char *, int *); 
 
struct MPInfo { 
    long stereo; 
    long frequency; 
    long bitspersample; 
}; 
 
extern MPArgs *Args; 
 
#endif