axmol/CocosDenshion/third_party/fmod/examples/loadfrommemory/main.c

220 lines
7.3 KiB
C

/*===============================================================================================
Load from memory example
Copyright (c), Firelight Technologies Pty, Ltd 2004-2011.
This example is simply a variant of the play sound example, but it loads the data into memory
then uses the 'load from memory' feature of System::createSound.
===============================================================================================*/
#include "../../api/inc/fmod.h"
#include "../../api/inc/fmod_errors.h"
#include "../common/wincompat.h"
#include <stdio.h>
#include <string.h>
void ERRCHECK(FMOD_RESULT result)
{
if (result != FMOD_OK)
{
printf("FMOD error! (%d) %s\n", result, FMOD_ErrorString(result));
exit(-1);
}
}
void LoadFileIntoMemory(const char *name, void **buff, int *length)
{
FILE *fp = fopen(name, "rb");
fseek(fp, 0, SEEK_END);
*length = ftell(fp);
fseek(fp, 0, SEEK_SET);
*buff = malloc(*length);
fread(*buff, *length, 1, fp);
fclose(fp);
}
int main(int argc, char *argv[])
{
FMOD_SYSTEM *system;
FMOD_SOUND *sound1, *sound2, *sound3;
FMOD_CHANNEL *channel = 0;
FMOD_RESULT result;
int key;
unsigned int version;
void *buff = 0;
int length = 0;
FMOD_CREATESOUNDEXINFO exinfo;
/*
Create a System object and initialize.
*/
result = FMOD_System_Create(&system);
ERRCHECK(result);
result = FMOD_System_GetVersion(system, &version);
ERRCHECK(result);
if (version < FMOD_VERSION)
{
printf("Error! You are using an old version of FMOD %08x. This program requires %08x\n", version, FMOD_VERSION);
return 0;
}
result = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, NULL);
ERRCHECK(result);
LoadFileIntoMemory("../media/drumloop.wav", &buff, &length);
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.length = length;
result = FMOD_System_CreateSound(system, (const char *)buff, FMOD_HARDWARE | FMOD_OPENMEMORY, &exinfo, &sound1);
ERRCHECK(result);
result = FMOD_Sound_SetMode(sound1, FMOD_LOOP_OFF);
ERRCHECK(result);
free(buff); // don't need the original memory any more. Note! If loading as a stream, the memory must stay active so do not free it!
LoadFileIntoMemory("../media/jaguar.wav", &buff, &length);
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.length = length;
result = FMOD_System_CreateSound(system, (const char *)buff, FMOD_SOFTWARE | FMOD_OPENMEMORY, &exinfo, &sound2);
ERRCHECK(result);
free(buff); // don't need the original memory any more. Note! If loading as a stream, the memory must stay active so do not free it!
LoadFileIntoMemory("../media/swish.wav", &buff, &length);
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.length = length;
result = FMOD_System_CreateSound(system, (const char *)buff, FMOD_HARDWARE | FMOD_OPENMEMORY, &exinfo, &sound3);
ERRCHECK(result);
free(buff); // don't need the original memory any more. Note! If loading as a stream, the memory must stay active so do not free it!
printf("==========================================================================\n");
printf("Load from memory example. Copyright (c) Firelight Technologies 2004-2011.\n");
printf("==========================================================================\n");
printf("\n");
printf("Press '1' to play a mono sound using hardware mixing\n");
printf("Press '2' to play a mono sound using software mixing\n");
printf("Press '3' to play a stereo sound using hardware mixing\n");
printf("Press 'Esc' to quit\n");
printf("\n");
/*
Main loop.
*/
do
{
if (kbhit())
{
key = getch();
switch (key)
{
case '1' :
{
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound1, 0, &channel);
ERRCHECK(result);
break;
}
case '2' :
{
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound2, 0, &channel);
ERRCHECK(result);
break;
}
case '3' :
{
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound3, 0, &channel);
ERRCHECK(result);
break;
}
}
}
FMOD_System_Update(system);
{
unsigned int ms = 0;
unsigned int lenms = 0;
int playing = 0;
int paused = 0;
int channelsplaying = 0;
if (channel)
{
FMOD_SOUND *currentsound = 0;
result = FMOD_Channel_IsPlaying(channel, &playing);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
result = FMOD_Channel_GetPaused(channel, &paused);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
result = FMOD_Channel_GetPosition(channel, &ms, FMOD_TIMEUNIT_MS);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
FMOD_Channel_GetCurrentSound(channel, &currentsound);
if (currentsound)
{
result = FMOD_Sound_GetLength(currentsound, &lenms, FMOD_TIMEUNIT_MS);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
}
}
result = FMOD_Sound_GetLength(sound1, &lenms, FMOD_TIMEUNIT_MS);
if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
{
ERRCHECK(result);
}
FMOD_System_GetChannelsPlaying(system, &channelsplaying);
printf("Time %02d:%02d:%02d/%02d:%02d:%02d : %s : Channels Playing %2d\r", ms / 1000 / 60, ms / 1000 % 60, ms / 10 % 100, lenms / 1000 / 60, lenms / 1000 % 60, lenms / 10 % 100, paused ? "Paused " : playing ? "Playing" : "Stopped", channelsplaying);
fflush(stdout);
}
Sleep(10);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = FMOD_Sound_Release(sound1);
ERRCHECK(result);
result = FMOD_Sound_Release(sound2);
ERRCHECK(result);
result = FMOD_Sound_Release(sound3);
ERRCHECK(result);
result = FMOD_System_Close(system);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
return 0;
}