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#include <stdlib.h>
#include <string.h>
#include <SDL/SDL.h>
#include <SDL/SDL_audio.h>
#include "psxdev/bs.h"
#include "fileutils.h"
#include "generic.h"
#include "cdutils.h"
#include "psxdev/xadecode.h"
/*
From the SONY documentation:
32 bytes header:
StSTATUS : 2 bytes 0
StTYPE : 2 bytes 2
StSECTOR_OFFSET: 2 bytes 4
StSECTOR_SIZE : 2 bytes 6
StFRAME_NO : 4 bytes 10
StFRAME_SIZE : 4 bytes 14
StMOVIE_WIDTH : 2 bytes 16
StMOVIE_HEIGHT : 2 bytes 18
StMOVIE_HEADM : 4 bytes 22
StMOVIE_HEADV : 4 bytes 26
Channels : 2 bytes 30
*/
struct STR_Header {
Uint16 StSTATUS;
Uint16 StTYPE;
Uint16 StSECTOR_OFFSET;
Uint16 StSECTOR_SIZE;
Uint32 StFRAME_NO;
Uint32 StFRAME_SIZE;
Uint16 StMOVIE_WIDTH;
Uint16 StMOVIE_HEIGHT;
Uint32 StMOVIE_HEADM;
Uint32 StMOVIE_HEADV;
Uint16 Channels;
} PACKED;
Byte * video = 0, * audio = 0, * audio2 = 0;
int width, height;
SDL_Surface * screen = 0;
Uint8 bpp;
int32 audio_len = 0, audio_len2 = 0;
Uint8 *audio_pos;
void mixaudio(void *unused, Uint8 *stream, int len) {
/* Only play if we have data left */
if ( audio_len == 0 )
return;
/* Mix as much data as possible */
len = ( len > audio_len ? audio_len : len );
SDL_MixAudio(stream, audio_pos, len, SDL_MIX_MAXVOLUME);
audio_pos += len;
audio_len -= len;
}
void process_one_sector(FILE * f) {
Byte sector[2336];
STR_Header * h;
fread(sector, 2336, 1, f);
h = (STR_Header *) ((Byte *) sector + 8);
// printm(M_INFO, "SubHeader: FN = %x, CN = %x, SM = %x, CI = %x: ", sector[0], sector[1], sector[2], sector[3]);
/*
printm(M_BARE, "SubHeader FN : %x\n", sector[0]);
printm(M_BARE, "SubHeader CN : %x\n", sector[1]);
printm(M_BARE, "SubHeader SM : %x\n", sector[2]);
printm(M_BARE, "SubHeader CI : %x\n", sector[3]);
*/
if ((sector[2] == 0x48) || (sector[2] == 0x42)) {
// printm(M_BARE, "Video sector\n");
/* printm(M_BARE, "Status : %04x\n", h->StSTATUS);
printm(M_BARE, "Type : %04x\n", h->StTYPE);
printm(M_BARE, "Sector Offset: %i\n", h->StSECTOR_OFFSET);
printm(M_BARE, "Sector Size : %i\n", h->StSECTOR_SIZE);
printm(M_BARE, "Frame Number : %i\n", h->StFRAME_NO);
printm(M_BARE, "Frame Size : %i\n", h->StFRAME_SIZE);
printm(M_BARE, "Movie Width : %i\n", h->StMOVIE_WIDTH);
printm(M_BARE, "Movie Height : %i\n", h->StMOVIE_HEIGHT);
printm(M_BARE, "Movie HeadM : %08x\n", h->StMOVIE_HEADM);
printm(M_BARE, "Movie HeadV : %08x\n", h->StMOVIE_HEADV);
printm(M_BARE, "Channels : %04x\n", h->Channels); */
if (h->StSECTOR_OFFSET == 0) {
video = (Byte *) malloc(h->StSECTOR_SIZE * 2016);
if (!screen) {
bs_init();
width = h->StMOVIE_WIDTH;
height = h->StMOVIE_HEIGHT;
screen = SDL_SetVideoMode(width, height, 24, SDL_HWSURFACE | SDL_DOUBLEBUF);
if (!screen) {
printm(M_ERROR, "Couldn't get framebuffer\n");
exit(-1);
}
bpp = screen->format->BytesPerPixel;
}
}
memcpy(video + h->StSECTOR_OFFSET * 2016, sector + 40, 2016);
if (h->StSECTOR_SIZE == (h->StSECTOR_OFFSET + 1)) {
// Frame finished.
// printm(M_BARE, "End of Frame.\n");
Uint8 * buffer = ((Uint8 *) screen->pixels);
if (SDL_MUSTLOCK(screen))
if (SDL_LockSurface(screen) < 0)
exit(1);
// printm(M_BARE, "Width: %i, Height: %i - bpp: %i\n", width, height, bpp);
bs_decode_rgb24(buffer, (bs_header_t *) video, width, height, 0);
// fwrite(screen->pixels, 3, width * height, stdout);
if (SDL_MUSTLOCK(screen))
SDL_UnlockSurface(screen);
SDL_Flip(screen);
free(video);
}
} else if (sector[2] == 0x64) {
int locked = 0;
SoundSector * buffer = (SoundSector *) sector;
// printm(M_BARE, "Audio sector\n");
/* printm(M_BARE, "Frequency: %i\n", xahalfhz(buffer) ? 18900 : 37800);
printm(M_BARE, "Channels : %s\n", xastereo(buffer) ? "stereo" : "mono"); */
// fwrite(sector + 8, 1, 2324, stdout);
while (audio_len > 0) {
SDL_Delay(1);
}
if (!audio2) {
SDL_AudioSpec fmt;
/* Un son sereo de 16 bits à 44kHz */
fmt.freq = xahalfhz(buffer) ? 18900 : 37800;
fmt.format = AUDIO_S16;
fmt.channels = xastereo(buffer) ? 2 : 1;
fmt.samples = 128; /*Une bonne valeur pour les jeux */
fmt.callback = mixaudio;
fmt.userdata = NULL;
/* Ouvre le contexte audio et joue le son */
if (SDL_OpenAudio(&fmt, NULL) < 0) {
fprintf(stderr, "Impossible d'accéder à l'audio: %s\n", SDL_GetError());
exit(1);
}
initXaDecode();
} else {
if (audio) {
SDL_LockAudio();
free(audio);
locked = 1;
}
audio_pos = audio = audio2;
audio_len = audio_len2;
}
audio2 = (Byte *) malloc(8192);
switchXaDecode(xachannel(buffer));
audio_len2 = convXaToWave((char *) buffer, (char *) audio2, xachannel(buffer), 0, 255);
if (locked)
SDL_UnlockAudio();
else if (audio)
SDL_PauseAudio(0);
saveXaDecode(xachannel(buffer));
} else {
// printm(M_BARE, "Unknow sector\n");
}
// printm(M_BARE, "---------------------------------\n\n");
}
int main(int argc, char ** argv) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER) < 0) {
printm(M_ERROR, "Couldn't initialise SDL: %s\n", SDL_GetError());
exit(-1);
}
atexit(SDL_Quit);
SDL_ShowCursor(SDL_DISABLE);
switch (argc) {
case 1:
break;
case 2:
fclose(stdin);
stdin = fopen(argv[1], "r");
break;
default:
printm(M_ERROR, "Too much arguments.\n");
exit(-1);
}
while (!feof(stdin)) {
process_one_sector(stdin);
}
if (!audio)
SDL_CloseAudio();
SDL_Quit();
}
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