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Updated WinCE support by Dmitry (with some tweaks)

Converted the disk audio driver to SDL_RWops for portability
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slouken committed Mar 4, 2006
1 parent 5fed3fe commit 78fa4b0f436632d0f4a76cccdb95a1c870682a66
BIN +10.2 KB (120%) VisualC.zip
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BIN +7.95 KB (120%) VisualCE.zip
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@@ -26,18 +26,34 @@
/* This is a set of defines to configure the SDL features */

#ifdef _MSC_VER
typedef __int8 int8_t;
typedef signed __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef __int16 int16_t;
typedef signed __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef __int32 int32_t;
typedef signed __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
#if _MSC_VER <= 1200
typedef unsigned long uintptr_t;
#ifndef _UINTPTR_T_DEFINED
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned int uintptr_t;
#endif
#define _UINTPTR_T_DEFINED
#endif
#else
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
typedef unsigned int size_t;
typedef unsigned long uintptr_t;
#endif /* _MSC_VER */
#define SDL_HAS_64BIT_TYPE 1

/* Useful headers */
@@ -79,8 +95,10 @@ typedef unsigned long uintptr_t;
#define SDL_VIDEO_DRIVER_WINDIB 1

/* Enable OpenGL support */
#ifndef _WIN32_WCE
#define SDL_VIDEO_OPENGL 1
#define SDL_VIDEO_OPENGL_WGL 1
#endif

/* Enable assembly routines */
#define SDL_ASSEMBLY_ROUTINES 1
@@ -59,7 +59,9 @@ typedef struct SDL_Thread SDL_Thread;
So, in short:
Always use the _beginthread() and _endthread() of the calling runtime library!
*/
#ifndef _WIN32_WCE
#include <process.h> // This has _beginthread() and _endthread() defined!
#endif
#ifdef __EMX__
#include <stdlib.h> // This has _beginthread() and _endthread() defined, if -Zmt flag is used!
#endif
@@ -68,9 +70,6 @@ typedef struct SDL_Thread SDL_Thread;
typedef int (*pfnSDL_CurrentBeginThread)(void (*func)(void *), void *, unsigned, void *arg);
typedef void (*pfnSDL_CurrentEndThread)(void);
#else
#ifdef __GNUC__
#include <stdint.h>
#endif
typedef uintptr_t (__cdecl *pfnSDL_CurrentBeginThread) (void *, unsigned,
unsigned (__stdcall *func)(void *), void *arg,
unsigned, unsigned *threadID);
@@ -325,8 +325,8 @@ unsigned _System LibMain(unsigned hmod, unsigned termination)

#elif defined(__WIN32__)

#if !defined(HAVE_LIBC) || defined(_WIN32_WCE) || (defined(__WATCOMC__) && defined(BUILD_DLL))
/* Need to include DllMain() on Windows CE and Watcom C for some reason.. */
#if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL))
/* Need to include DllMain() on Watcom C for some reason.. */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>

@@ -343,6 +343,6 @@ BOOL APIENTRY _DllMainCRTStartup( HANDLE hModule,
}
return TRUE;
}
#endif /* _WIN32_WCE and building DLL with Watcom C */
#endif /* building DLL with Watcom C */

#endif /* OS/2 elif __WIN32__ */
@@ -550,12 +550,13 @@ SDL_AudioSpec * SDL_LoadWAV_RW (SDL_RWops *src, int freesrc,
if ( format != NULL ) {
SDL_free(format);
}
if ( freesrc && src ) {
SDL_RWclose(src);
}
else {
// seek to the end of the file (given by the RIFF chunk)
SDL_RWseek(src, wavelen - chunk.length - headerDiff, RW_SEEK_CUR);
if ( src ) {
if ( freesrc ) {
SDL_RWclose(src);
} else {
// seek to the end of the file (given by the RIFF chunk)
SDL_RWseek(src, wavelen - chunk.length - headerDiff, RW_SEEK_CUR);
}
}
if ( was_error ) {
spec = NULL;
@@ -26,16 +26,11 @@

/* Output raw audio data to a file. */

#if HAVE_STDIO_H
#include <stdio.h>
#include <string.h> /* For strerror() */
#include <errno.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#endif

#include "SDL_rwops.h"
#include "SDL_timer.h"
#include "SDL_audio.h"
#include "../SDL_audiomem.h"
@@ -61,44 +56,18 @@ static void DISKAUD_CloseAudio(_THIS);

static const char *DISKAUD_GetOutputFilename(void)
{
const char *envr = SDL_getenv(DISKENVR_OUTFILE);
return((envr != NULL) ? envr : DISKDEFAULT_OUTFILE);
const char *envr = SDL_getenv(DISKENVR_OUTFILE);
return((envr != NULL) ? envr : DISKDEFAULT_OUTFILE);
}

/* Audio driver bootstrap functions */
static int DISKAUD_Available(void)
{
#if 0
int fd;
int available;
int exists = 0;
struct stat statbuf;
const char *fname = DISKAUD_GetOutputFilename();
const char *envr = SDL_getenv("SDL_AUDIODRIVER");
available = 0;

if ((envr) && (SDL_strcmp(envr, DISKAUD_DRIVER_NAME) == 0)) {
if (stat(fname, &statbuf) == 0)
exists = 1;

fd = open(fname, O_WRONLY | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR);
if ( fd != -1 ) {
available = 1;
close(fd);
if (!exists) {
unlink(fname);
}
}
}
return(available);
#else
const char *envr = SDL_getenv("SDL_AUDIODRIVER");
if ((envr) && (SDL_strcmp(envr, DISKAUD_DRIVER_NAME) == 0)) {
if (envr && (SDL_strcmp(envr, DISKAUD_DRIVER_NAME) == 0)) {
return(1);
}

return(0);
#endif
}

static void DISKAUD_DeleteDevice(SDL_AudioDevice *device)
@@ -110,7 +79,7 @@ static void DISKAUD_DeleteDevice(SDL_AudioDevice *device)
static SDL_AudioDevice *DISKAUD_CreateDevice(int devindex)
{
SDL_AudioDevice *this;
const char *envr;
const char *envr;

/* Initialize all variables that we clean on shutdown */
this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice));
@@ -128,8 +97,8 @@ static SDL_AudioDevice *DISKAUD_CreateDevice(int devindex)
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));

envr = SDL_getenv(DISKENVR_WRITEDELAY);
this->hidden->write_delay = (envr) ? SDL_atoi(envr) : DISKDEFAULT_WRITEDELAY;
envr = SDL_getenv(DISKENVR_WRITEDELAY);
this->hidden->write_delay = (envr) ? SDL_atoi(envr) : DISKDEFAULT_WRITEDELAY;

/* Set the function pointers */
this->OpenAudio = DISKAUD_OpenAudio;
@@ -151,26 +120,20 @@ AudioBootStrap DISKAUD_bootstrap = {
/* This function waits until it is possible to write a full sound buffer */
static void DISKAUD_WaitAudio(_THIS)
{
SDL_Delay(this->hidden->write_delay);
SDL_Delay(this->hidden->write_delay);
}

static void DISKAUD_PlayAudio(_THIS)
{
int written;

/* Write the audio data, checking for EAGAIN on broken audio drivers */
do {
written = write(this->hidden->audio_fd,
this->hidden->mixbuf,
/* Write the audio data */
written = SDL_RWwrite(this->hidden->output,
this->hidden->mixbuf, 1,
this->hidden->mixlen);
if ( (written < 0) && ((errno == 0) || (errno == EAGAIN)) ) {
SDL_Delay(1); /* Let a little CPU time go by */
}
} while ( (written < 0) &&
((errno == 0) || (errno == EAGAIN) || (errno == EINTR)) );

/* If we couldn't write, assume fatal error for now */
if ( written < 0 ) {
if ( written != this->hidden->mixlen ) {
this->enabled = 0;
}
#ifdef DEBUG_AUDIO
@@ -189,25 +152,26 @@ static void DISKAUD_CloseAudio(_THIS)
SDL_FreeAudioMem(this->hidden->mixbuf);
this->hidden->mixbuf = NULL;
}
if ( this->hidden->audio_fd >= 0 ) {
close(this->hidden->audio_fd);
this->hidden->audio_fd = -1;
if ( this->hidden->output != NULL ) {
SDL_RWclose(this->hidden->output);
this->hidden->output = NULL;
}
}

static int DISKAUD_OpenAudio(_THIS, SDL_AudioSpec *spec)
{
const char *fname = DISKAUD_GetOutputFilename();
const char *fname = DISKAUD_GetOutputFilename();

/* Open the audio device */
this->hidden->audio_fd = open(fname, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
if ( this->hidden->audio_fd < 0 ) {
SDL_SetError("Couldn't open %s: %s", fname, strerror(errno));
this->hidden->output = SDL_RWFromFile(fname, "wb");
if ( this->hidden->output == NULL ) {
return(-1);
}

fprintf(stderr, "WARNING: You are using the SDL disk writer"
#if HAVE_STDIO_H
fprintf(stderr, "WARNING: You are using the SDL disk writer"
" audio driver!\n Writing to file [%s].\n", fname);
#endif

/* Allocate mixing buffer */
this->hidden->mixlen = spec->size;
@@ -24,17 +24,18 @@
#ifndef _SDL_diskaudio_h
#define _SDL_diskaudio_h

#include "SDL_rwops.h"
#include "../SDL_sysaudio.h"

/* Hidden "this" pointer for the video functions */
#define _THIS SDL_AudioDevice *this

struct SDL_PrivateAudioData {
/* The file descriptor for the audio device */
int audio_fd;
Uint8 *mixbuf;
Uint32 mixlen;
Uint32 write_delay;
SDL_RWops *output;
Uint8 *mixbuf;
Uint32 mixlen;
Uint32 write_delay;
};

#endif /* _SDL_diskaudio_h */

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