/*
 * Copyright (c) 2002-2007, Jerome Duval (jerome.duval@free.fr)
 * Distributed under the terms of the MIT License.
 */
#ifndef MULTI_AUDIO_DEVICE_H
#define MULTI_AUDIO_DEVICE_H


#include "hmulti_audio.h"


#define MAX_CONTROLS    128
#define MAX_CHANNELS    32
#define MAX_BUFFERS             32


class MultiAudioDevice {
public:
                                                MultiAudioDevice(const char* name, const char* path);
                                                ~MultiAudioDevice();

        status_t                        InitCheck() const;

        const multi_description& Description() const { return fDescription; }
        const multi_format_info& FormatInfo() const { return fFormatInfo; }
        const multi_buffer_list& BufferList() const { return fBufferList; }
        const multi_mix_control_info& MixControlInfo() const
                                                        { return fMixControlInfo; }

        status_t                        BufferExchange(multi_buffer_info* bufferInfo);
        status_t                        SetMix(multi_mix_value_info* mixValueInfo);
        status_t                        GetMix(multi_mix_value_info* mixValueInfo);

        status_t                        SetInputFrameRate(uint32 multiAudioRate);
        status_t                        SetOutputFrameRate(uint32 multiAudioRate);

private:
        status_t                        _InitDriver();
        status_t                        _GetBuffers();

private:
        status_t                        fInitStatus;
        int                                     fDevice;
        char                            fPath[B_PATH_NAME_LENGTH];

        multi_description       fDescription;
        multi_channel_info      fChannelInfo[MAX_CHANNELS];
        multi_format_info       fFormatInfo;
        multi_buffer_list       fBufferList;

        multi_mix_control_info fMixControlInfo;
        multi_mix_control       fMixControl[MAX_CONTROLS];

        buffer_desc                     fPlayBufferList[MAX_BUFFERS * MAX_CHANNELS];
        buffer_desc                     fRecordBufferList[MAX_BUFFERS * MAX_CHANNELS];
        buffer_desc*            fPlayBuffers[MAX_BUFFERS];
        buffer_desc*            fRecordBuffers[MAX_BUFFERS];
};

#endif  // MULTI_AUDIO_DEVICE_H