mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2025-03-02 14:52:10 +00:00
d6fe1fb39f
- allow the GUS to change sound fonts at run time. - implemented sound font manager support in the GUS synth. This works but also made me realize that the SF2 support of this synth has been rather broken, apparently forever.
104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/*
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** file_io.cpp
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** ZDoom compatible file IO interface for WildMIDI
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** (This file was completely redone to remove the low level IO code references)
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**
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**---------------------------------------------------------------------------
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** Copyright 2010 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include <errno.h>
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#include <memory>
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#include "files.h"
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#include "wm_error.h"
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#include "file_io.h"
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#include "pathexpander.h"
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#include "cmdlib.h"
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#include "i_soundfont.h"
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std::unique_ptr<FSoundFontReader> wm_sfreader;
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static FString config_name;
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bool _WM_InitReader(const char *config_file)
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{
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auto reader = sfmanager.OpenSoundFont(config_file, SF_GUS);
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if (reader == nullptr)
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{
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_WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_LOAD, config_file, errno);
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return false; // No sound font could be opened.
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}
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wm_sfreader.reset(reader);
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config_name = config_file;
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return true;
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}
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unsigned char *_WM_BufferFile(const char *filename, unsigned long int *size)
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{
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FileReader *fp;
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if (filename == nullptr)
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{
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fp = wm_sfreader->OpenMainConfigFile();
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filename = config_name;
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}
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else
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{
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fp = wm_sfreader->OpenFile(filename);
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}
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if (fp == NULL)
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{
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_WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_LOAD, filename, errno);
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return NULL;
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}
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long fsize = fp->GetLength();
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if (fsize > WM_MAXFILESIZE)
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{
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/* don't bother loading suspiciously long files */
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_WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_LONGFIL, filename, 0);
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return NULL;
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}
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unsigned char *data = (unsigned char*)malloc(fsize+1);
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if (data == NULL)
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{
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_WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_MEM, NULL, errno);
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_WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_LOAD, filename, errno);
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return NULL;
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}
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fp->Read(data, fsize);
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delete fp;
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data[fsize] = 0;
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*size = fsize;
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return data;
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}
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