276 lines
9.6 KiB
C
276 lines
9.6 KiB
C
|
// VAGDEMO2020 by Schnappy
|
||
|
|
// December 2020
|
||
|
|
// Based on VAGDEMO_FIXED by Yagotzirck
|
||
|
|
// Based on VAGDEMO by Shadow
|
||
|
|
// based on psyq/addons/sound/TUTO3.C
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Load a VAG file to SPU sound buffer and play it back.
|
||
|
|
//
|
||
|
|
// WAV creation: use ffmpeg to create a 16-bit ADPCM mono WAV file - change -ar to reduce filesize (and quality)
|
||
|
|
// $ ffmpeg -i input.mp3 -acodec pcm_s16le -ac 1 -ar 44100 output.wav
|
||
|
|
//
|
||
|
|
// WAV to VAG convertion using WAV2VAG : https://github.com/ColdSauce/psxsdk/blob/master/tools/wav2vag.c
|
||
|
|
// change -freq according to the -ar setting above
|
||
|
|
// $ wav2vag input.wav output.vag -sraw16 -freq=44100 (-L)
|
||
|
|
//
|
||
|
|
// Alternatively, you can use PsyQ VAGEDIT.EXE to change the sampling frequency of an existing VAG file.
|
||
|
|
//
|
||
|
|
// Docs : see libformat47.pdf p.209
|
||
|
|
// libover47.pdf, p.271
|
||
|
|
// libref47.pdf, p.980
|
||
|
|
// URLS : http://psx.arthus.net/code/VAG/
|
||
|
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include <libgte.h>
|
||
|
|
#include <libetc.h>
|
||
|
|
#include <libgpu.h>
|
||
|
|
|
||
|
|
|
||
|
|
// Sound system
|
||
|
|
#include <libsnd.h>
|
||
|
|
#include <libspu.h>
|
||
|
|
|
||
|
|
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
|
||
|
|
|
||
|
|
#define SCREENXRES 320
|
||
|
|
#define SCREENYRES 240
|
||
|
|
|
||
|
|
#define CENTERX SCREENXRES/2
|
||
|
|
#define CENTERY SCREENYRES/2
|
||
|
|
|
||
|
|
#define MARGINX 0 // margins for text display
|
||
|
|
#define MARGINY 32
|
||
|
|
|
||
|
|
#define FONTSIZE 8 * 7 // Text Field Height
|
||
|
|
|
||
|
|
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
|
||
|
|
DRAWENV draw[2];
|
||
|
|
|
||
|
|
short db = 0; // index of which buffer is used, values 0, 1
|
||
|
|
|
||
|
|
// Sound stuff
|
||
|
|
|
||
|
|
#define MALLOC_MAX 3 // Max number of time we can call SpuMalloc
|
||
|
|
|
||
|
|
//~ // convert Little endian to Big endian
|
||
|
|
#define SWAP_ENDIAN32(x) (((x)>>24) | (((x)>>8) & 0xFF00) | (((x)<<8) & 0x00FF0000) | ((x)<<24))
|
||
|
|
|
||
|
|
typedef struct VAGheader{ // All the values in this header must be big endian
|
||
|
|
char id[4]; // VAGp 4 bytes -> 1 char * 4
|
||
|
|
unsigned int version; // 4 bytes
|
||
|
|
unsigned int reserved; // 4 bytes
|
||
|
|
unsigned int dataSize; // (in bytes) 4 bytes
|
||
|
|
unsigned int samplingFrequency;// 4 bytes
|
||
|
|
char reserved2[12]; // 12 bytes -> 1 char * 12
|
||
|
|
char name[16]; // 16 bytes -> 1 char * 16
|
||
|
|
// Waveform data after that
|
||
|
|
}VAGhdr;
|
||
|
|
|
||
|
|
SpuCommonAttr commonAttributes; // structure for changing common voice attributes
|
||
|
|
SpuVoiceAttr voiceAttributes ; // structure for changing individual voice attributes
|
||
|
|
|
||
|
|
u_long vag_spu_address; // address allocated in memory for first sound file
|
||
|
|
u_long vag1_spu_address; // address allocated in memory for second sound file
|
||
|
|
|
||
|
|
// DEBUG : these allow printing values for debugging
|
||
|
|
|
||
|
|
u_long spu_start_address;
|
||
|
|
u_long get_start_addr;
|
||
|
|
u_long transSize;
|
||
|
|
|
||
|
|
// Memory management table ; allow MALLOC_MAX calls to SpuMalloc() - ibref47.pdf p.1044
|
||
|
|
char spu_malloc_rec[SPU_MALLOC_RECSIZ * (2 + MALLOC_MAX+1)];
|
||
|
|
|
||
|
|
// VAG files
|
||
|
|
|
||
|
|
// We're using GrumpyCoder's Nugget wrapper to compile the code with a modern GCC : https://github.com/grumpycoders/pcsx-redux/tree/main/src/mips/psyq
|
||
|
|
// To include binary files in the exe, add your VAG files to the SRCS variable in Makefile
|
||
|
|
// and in common.mk, add this rule to include *.vag files :
|
||
|
|
//
|
||
|
|
//~ %.o: %.vag
|
||
|
|
//~ $(PREFIX)-objcopy -I binary --set-section-alignment .data=4 --rename-section .data=.rodata,alloc,load,readonly,data,contents -O elf32-tradlittlemips -B mips $< $@
|
||
|
|
|
||
|
|
|
||
|
|
// hello_poly.vag - 44100 Khz
|
||
|
|
extern unsigned char _binary_VAG_hello_poly_vag_start[]; // filename must begin with _binary_ followed by the full path, with . and / replaced, and then suffixed with _ and end with _start[]; or end[];
|
||
|
|
extern unsigned char _binary_VAG_hello_poly_vag_end[]; // https://discord.com/channels/642647820683444236/663664210525290507/780866265077383189
|
||
|
|
|
||
|
|
void initGraph(void)
|
||
|
|
{
|
||
|
|
ResetGraph(0);
|
||
|
|
|
||
|
|
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
|
||
|
|
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
|
||
|
|
|
||
|
|
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
|
||
|
|
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
|
||
|
|
|
||
|
|
if (VMODE)
|
||
|
|
{
|
||
|
|
SetVideoMode(MODE_PAL);
|
||
|
|
disp[0].screen.y += 8;
|
||
|
|
disp[1].screen.y += 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
setRGB0(&draw[0], 50, 50, 50);
|
||
|
|
setRGB0(&draw[1], 50, 50, 50);
|
||
|
|
|
||
|
|
draw[0].isbg = 1;
|
||
|
|
draw[1].isbg = 1;
|
||
|
|
|
||
|
|
PutDispEnv(&disp[db]);
|
||
|
|
PutDrawEnv(&draw[db]);
|
||
|
|
|
||
|
|
FntLoad(960, 0);
|
||
|
|
FntOpen(8, 60, 304, 200, 0, 500 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void display(void)
|
||
|
|
{
|
||
|
|
DrawSync(0);
|
||
|
|
VSync(0);
|
||
|
|
|
||
|
|
PutDispEnv(&disp[db]);
|
||
|
|
PutDrawEnv(&draw[db]);
|
||
|
|
|
||
|
|
SetDispMask(1);
|
||
|
|
|
||
|
|
db = !db;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Audio initialisation & functions
|
||
|
|
|
||
|
|
void initSnd(void){
|
||
|
|
|
||
|
|
SpuInitMalloc(MALLOC_MAX, spu_malloc_rec); // Maximum number of blocks, mem. management table address.
|
||
|
|
|
||
|
|
commonAttributes.mask = (SPU_COMMON_MVOLL | SPU_COMMON_MVOLR); // Mask which attributes to set
|
||
|
|
commonAttributes.mvol.left = 0x3fff; // Master volume left
|
||
|
|
commonAttributes.mvol.right = 0x3fff; // see libref47.pdf, p.1058
|
||
|
|
|
||
|
|
SpuSetCommonAttr(&commonAttributes); // set attributes
|
||
|
|
|
||
|
|
SpuSetIRQ(SPU_OFF);
|
||
|
|
}
|
||
|
|
|
||
|
|
u_long sendVAGtoRAM(unsigned int VAG_data_size, unsigned char *VAG_data){
|
||
|
|
u_long size;
|
||
|
|
|
||
|
|
SpuSetTransferMode(SpuTransByDMA); // DMA transfer; can do other processing during transfer
|
||
|
|
|
||
|
|
size = SpuWrite (VAG_data + sizeof(VAGhdr), VAG_data_size); // transfer VAG_data_size bytes from VAG_data address to sound buffer
|
||
|
|
|
||
|
|
SpuIsTransferCompleted (SPU_TRANSFER_WAIT); // Checks whether transfer is completed and waits for completion
|
||
|
|
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
void setVoiceAttr(unsigned int pitch, long channel, unsigned long soundAddr ){
|
||
|
|
|
||
|
|
voiceAttributes.mask= //~ Attributes (bit string, 1 bit per attribute)
|
||
|
|
(
|
||
|
|
SPU_VOICE_VOLL |
|
||
|
|
SPU_VOICE_VOLR |
|
||
|
|
SPU_VOICE_PITCH |
|
||
|
|
SPU_VOICE_WDSA |
|
||
|
|
SPU_VOICE_ADSR_AMODE |
|
||
|
|
SPU_VOICE_ADSR_SMODE |
|
||
|
|
SPU_VOICE_ADSR_RMODE |
|
||
|
|
SPU_VOICE_ADSR_AR |
|
||
|
|
SPU_VOICE_ADSR_DR |
|
||
|
|
SPU_VOICE_ADSR_SR |
|
||
|
|
SPU_VOICE_ADSR_RR |
|
||
|
|
SPU_VOICE_ADSR_SL
|
||
|
|
);
|
||
|
|
|
||
|
|
voiceAttributes.voice = channel; //~ Voice (low 24 bits are a bit string, 1 bit per voice )
|
||
|
|
|
||
|
|
voiceAttributes.volume.left = 0x1000; //~ Volume
|
||
|
|
voiceAttributes.volume.right = 0x1000; //~ Volume
|
||
|
|
|
||
|
|
voiceAttributes.pitch = pitch; //~ Interval (set pitch)
|
||
|
|
voiceAttributes.addr = soundAddr; //~ Waveform data start address
|
||
|
|
|
||
|
|
voiceAttributes.a_mode = SPU_VOICE_LINEARIncN; //~ Attack rate mode = Linear Increase - see libref47.pdf p.1091
|
||
|
|
voiceAttributes.s_mode = SPU_VOICE_LINEARIncN; //~ Sustain rate mode = Linear Increase
|
||
|
|
voiceAttributes.r_mode = SPU_VOICE_LINEARDecN; //~ Release rate mode = Linear Decrease
|
||
|
|
|
||
|
|
voiceAttributes.ar = 0x0; //~ Attack rate
|
||
|
|
voiceAttributes.dr = 0x0; //~ Decay rate
|
||
|
|
voiceAttributes.rr = 0x0; //~ Release rate
|
||
|
|
voiceAttributes.sr = 0x0; //~ Sustain rate
|
||
|
|
voiceAttributes.sl = 0xf; //~ Sustain level
|
||
|
|
|
||
|
|
SpuSetVoiceAttr(&voiceAttributes); // set attributes
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void playSFX(void){
|
||
|
|
SpuSetKey(SpuOn,SPU_0CH | SPU_2CH); // Set several channels by ORing each channel bit ; channel 0 and 2 here.
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
short counter = 0;
|
||
|
|
|
||
|
|
const VAGhdr * VAGfileHeader = (VAGhdr *) _binary_VAG_hello_poly_vag_start; // get header of VAG file
|
||
|
|
|
||
|
|
// From libover47.pdf :
|
||
|
|
// The sampling frequency of the original audio file can be used to determine the pitch
|
||
|
|
// at which to play the VAG. pitch = (sampling frequency << 12)/44100L
|
||
|
|
// Ex: 44.1kHz=0x1000 22.05kHz=0x800 etc
|
||
|
|
|
||
|
|
unsigned int pitch = (SWAP_ENDIAN32(VAGfileHeader->samplingFrequency) << 12) / 44100L;
|
||
|
|
|
||
|
|
SpuInit(); // Initialize SPU. Called only once.
|
||
|
|
|
||
|
|
initSnd();
|
||
|
|
|
||
|
|
//~ // First VAG
|
||
|
|
|
||
|
|
vag_spu_address = SpuMalloc(SWAP_ENDIAN32(VAGfileHeader->dataSize)); // Allocate an area of dataSize bytes in the sound buffer.
|
||
|
|
|
||
|
|
spu_start_address = SpuSetTransferStartAddr(vag_spu_address); // Sets a starting address in the sound buffer
|
||
|
|
|
||
|
|
get_start_addr = SpuGetTransferStartAddr(); // SpuGetTransferStartAddr() returns current sound buffer transfer start address.
|
||
|
|
|
||
|
|
transSize = sendVAGtoRAM(SWAP_ENDIAN32(VAGfileHeader->dataSize), _binary_VAG_hello_poly_vag_start);
|
||
|
|
|
||
|
|
// set VAG to channel
|
||
|
|
|
||
|
|
setVoiceAttr(pitch, SPU_0CH, vag_spu_address);
|
||
|
|
|
||
|
|
initGraph();
|
||
|
|
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
|
||
|
|
if(!counter){
|
||
|
|
playSFX();
|
||
|
|
counter = 180;
|
||
|
|
}
|
||
|
|
|
||
|
|
FntPrint("\nPitch : %08x-%dKhz", pitch, (SWAP_ENDIAN32(VAGfileHeader->samplingFrequency)) );
|
||
|
|
FntPrint("\nSet Start addr : %08x", vag_spu_address);
|
||
|
|
FntPrint("\nReturn start addr : %08x", spu_start_address);
|
||
|
|
FntPrint("\nGet Start addr : %08x", get_start_addr);
|
||
|
|
FntPrint("\nSend size : %08x", SWAP_ENDIAN32(VAGfileHeader->dataSize));
|
||
|
|
FntPrint("\nReturn size : %08x\n", transSize);
|
||
|
|
FntPrint("\nCounter : %d\n", counter);
|
||
|
|
|
||
|
|
FntFlush(-1);
|
||
|
|
|
||
|
|
counter --;
|
||
|
|
|
||
|
|
display();
|
||
|
|
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|