soundstreamhandle.cpp

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  This program is free software: you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
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**  (at your option) any later version.
**
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**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
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*/
 
/***********************************************************************************************
 ***              C O N F I D E N T I A L  ---  W E S T W O O D  S T U D I O S               ***
 ***********************************************************************************************
 *                                                                                             *
 *                 Project Name : wwaudio                                                      *
 *                                                                                             *
 *                     $Archive:: /Commando/Code/WWAudio/soundstreamhandle.cpp                $*
 *                                                                                             *
 *                       Author:: Patrick Smith                                                *
 *                                                                                             *
 *                     $Modtime:: 8/23/01 4:47p                                               $*
 *                                                                                             *
 *                    $Revision:: 2                                                           $*
 *                                                                                             *
 *---------------------------------------------------------------------------------------------*
 * Functions:                                                                                  *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
#include "soundstreamhandle.h"
#include "audiblesound.h"
 

//
//  SoundStreamHandleClass
//
SoundStreamHandleClass::SoundStreamHandleClass (void) :
    SampleHandle ((HSAMPLE)INVALID_MILES_HANDLE),
    StreamHandle ((HSTREAM)INVALID_MILES_HANDLE)
{
    return ;
}
 

//
//  ~SoundStreamHandleClass
//
SoundStreamHandleClass::~SoundStreamHandleClass (void)
{
    return ;
}
 

//
//  Initialize
//
void
SoundStreamHandleClass::Initialize (SoundBufferClass *buffer)
{
    SoundHandleClass::Initialize (buffer);
 
    if (Buffer != NULL) {
 
        //
        //  Create a stream from the sample handle
        //
        StreamHandle = ::AIL_open_stream_by_sample (WWAudioClass::Get_Instance ()->Get_2D_Driver (),
                                SampleHandle, buffer->Get_Filename (), 0);
 
        /*StreamHandle = ::AIL_open_stream (WWAudioClass::Get_Instance ()->Get_2D_Driver (),
                                buffer->Get_Filename (), 0);*/
    }
 
    return ;
}
 

//
//  Start_Sample
//
void
SoundStreamHandleClass::Start_Sample (void)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_start_stream (StreamHandle);
    }
    return ;
}
 

//
//  Stop_Sample
//
void
SoundStreamHandleClass::Stop_Sample (void)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_pause_stream (StreamHandle, 1);
    }
    return ;
}
 

//
//  Resume_Sample
//
void
SoundStreamHandleClass::Resume_Sample (void)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_pause_stream (StreamHandle, 0);
    }
    return ;
}
 

//
//  End_Sample
//
void
SoundStreamHandleClass::End_Sample (void)
{
    //
    //  Stop the sample and then release our hold on the stream handle
    //
    Stop_Sample ();
 
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_close_stream (StreamHandle);
        StreamHandle = (HSTREAM)INVALID_MILES_HANDLE;
    }
    return ;
}
 

//
//  Set_Sample_Pan
//
void
SoundStreamHandleClass::Set_Sample_Pan (S32 pan)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_set_stream_pan (StreamHandle, pan);
    }
    return ;
}
 

//
//  Get_Sample_Pan
//
S32
SoundStreamHandleClass::Get_Sample_Pan (void)
{
    S32 retval = 0;
 
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        retval = ::AIL_stream_pan (StreamHandle);
    }
 
    return retval;
}
 

//
//  Set_Sample_Volume
//
void
SoundStreamHandleClass::Set_Sample_Volume (S32 volume)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_set_stream_volume (StreamHandle, volume);
    }
    return ;
}
 

//
//  Get_Sample_Volume
//
S32
SoundStreamHandleClass::Get_Sample_Volume (void)
{
    S32 retval = 0;
 
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        retval = ::AIL_stream_volume (StreamHandle);
    }
 
    return retval;
}
 

//
//  Set_Sample_Loop_Count
//
void
SoundStreamHandleClass::Set_Sample_Loop_Count (U32 count)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_set_stream_loop_block (StreamHandle, 0, -1);
        ::AIL_set_stream_loop_count (StreamHandle, count);
    }
    return ;
}
 

//
//  Get_Sample_Loop_Count
//
U32
SoundStreamHandleClass::Get_Sample_Loop_Count (void)
{
    U32 retval = 0;
 
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_stream_loop_count (StreamHandle);
    }
 
    return retval;
}
 

//
//  Set_Sample_MS_Position
//
void
SoundStreamHandleClass::Set_Sample_MS_Position (U32 ms)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_set_stream_ms_position (StreamHandle, ms);
    }
    return ;
}
 

//
//  Get_Sample_MS_Position
//
void
SoundStreamHandleClass::Get_Sample_MS_Position (S32 *len, S32 *pos)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_stream_ms_position (StreamHandle, len, pos);
    }
 
    return ;
}
 

//
//  Set_Sample_User_Data
//
void
SoundStreamHandleClass::Set_Sample_User_Data (S32 i, U32 val)
{
    if (SampleHandle != (HSAMPLE)INVALID_MILES_HANDLE) {
        ::AIL_set_sample_user_data (SampleHandle, i, val);
    }
 
    return ;
}
 

//
//  Get_Sample_User_Data
//
U32
SoundStreamHandleClass::Get_Sample_User_Data (S32 i)
{
    U32 retval = 0;
 
    if (SampleHandle != (HSAMPLE)INVALID_MILES_HANDLE) {
        retval = ::AIL_sample_user_data (SampleHandle, i);
    }
 
    return retval;
}
 

//
//  Get_Sample_Playback_Rate
//
S32
SoundStreamHandleClass::Get_Sample_Playback_Rate (void)
{   
    S32 retval = 0;
    
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        retval = ::AIL_stream_playback_rate (StreamHandle);
    }
 
    return retval;
}
 

//
//  Set_Sample_Playback_Rate
//
void
SoundStreamHandleClass::Set_Sample_Playback_Rate (S32 rate)
{
    if (StreamHandle != (HSTREAM)INVALID_MILES_HANDLE) {
        ::AIL_set_stream_playback_rate (StreamHandle, rate);
    }
 
    return ;
}
 

//
//  Set_Miles_Handle
//
void
SoundStreamHandleClass::Set_Miles_Handle (uint32 handle)
{
    SampleHandle = (HSAMPLE)handle;
    return ;
}