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Added Killzone VAGp (.vag); code cleanup

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bnnm 2016-12-26 13:30:43 +01:00
parent 973c4bff1d
commit 46d7fcfe80
1 changed files with 137 additions and 117 deletions
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112
src/meta/ps2_vag.c
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@ -2,11 +2,10 @@
#include "../util.h"
static int vag_find_loop_points(STREAMFILE *streamFile, off_t * loop_start, off_t * loop_end, off_t offset);
static int vag_find_loop_offsets(STREAMFILE *streamFile, off_t start_offset, off_t * loop_start, off_t * loop_end);
/* PS2 VAG format, found in many Sony games
2008-05-17 - Fastelbja : First version ...
/**
* VAGp - SDK format, created by Sony's tools (like AIFF2VAG)
*/
VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
@ -16,14 +15,16 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
off_t loopEnd = 0;
uint8_t vagID;
uint32_t version = 0;
size_t filesize = 0, datasize = 0;
size_t interleave;
off_t start_offset;
size_t interleave;
int loop_flag=0;
int loop_samples_found = 0;
int channel_count=0;
int i;
int loop_samples_found = 0;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
@ -34,36 +35,49 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
((read_32bitLE(0x00,streamFile) & 0xFFFFFF00) != 0x56414700))
goto fail;
filesize = get_streamfile_size(streamFile);
/* version used to create the file
* ex: 00000000 = v1.8 PC, 00000002 = v1.3 Mac, 00000003 = v1.6+ Mac, 00000020 = v2.0+ PC */
version = read_32bitBE(0x04,streamFile);
/* 0x08-0c: reserved */
datasize = read_32bitBE(0x0c,streamFile);
/* 0x14-20 reserved */
/* 0x20-30: name (optional) */
/* 0x30: data start (first 0x10 usually 0s to init SPU) */
/* Check for correct channel count and loop flag */
vagID=read_8bit(0x03,streamFile);
switch(vagID) {
case '1': /* "VAG1" (1 channel) */
case '1': /* "VAG1" (1 channel) [Metal Gear Solid 3] */
channel_count=1;
break;
case '2': /* "VAG2" (2 channels) */
case '2': /* "VAG2" (2 channels) [Metal Gear Solid 3] */
channel_count=2;
break;
case 'i': /* "VAGi" (interleaved) */
channel_count=2;
break;
case 'V': /* pGAV (little endian header) */
case 'V': /* pGAV (little endian / stereo) [Jak 3, Jak X] */
if (read_32bitBE(0x20,streamFile)==0x53746572) /* "Ster" */
channel_count=2;
else
channel_count=1;
break;
case 'p': /* "VAGp" (extended) */
if((read_32bitBE(0x04,streamFile)<=0x00000004) && (read_32bitBE(0x0c,streamFile)<(get_streamfile_size(streamFile)/2))) {
case 'p': /* "VAGp" (extended) [most common, ex Ratchet & Clank] */
if ((version <= 0x00000004) && (datasize < filesize / 2)) {
loop_flag=(read_32bitBE(0x14,streamFile)!=0);
channel_count=2;
}
else if (read_32bitBE(0x04,streamFile) == 0x00020001) { /* HEVAG */
loop_flag = vag_find_loop_points(streamFile, &loopStart, &loopEnd, 0x30);
else if (version == 0x00020001) { /* HEVAG */
loop_flag = vag_find_loop_offsets(streamFile, 0x30, &loopStart, &loopEnd);
channel_count = read_8bit(0x1e,streamFile);
if (channel_count == 0)
channel_count = 1; /* ex. Lumines */
}
else {
loop_flag = vag_find_loop_points(streamFile, &loopStart, &loopEnd, 0x30);
loop_flag = vag_find_loop_offsets(streamFile, 0x30, &loopStart, &loopEnd);
channel_count = 1;
}
break;
@ -76,42 +90,38 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->channels = channel_count;
vgmstream->coding_type = coding_PSX;
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
switch(vagID) {
case '1': // VAG1
vgmstream->layout_type=layout_none;
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)/16*28;
vgmstream->num_samples = datasize / 16 * 28;
interleave = read_32bitLE(0x08,streamFile);
if (interleave != 0) goto fail;
vgmstream->meta_type=meta_PS2_VAG1;
start_offset=0x40;
start_offset=0x40; /* 0x30 is extra data in VAG1 */
break;
case '2': // VAG2
vgmstream->layout_type=layout_interleave;
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)/16*28;
vgmstream->num_samples = datasize / 16 * 28; /* datasize is for 1 channel only in VAG2 */
interleave = 0x800;
vgmstream->meta_type=meta_PS2_VAG2;
start_offset=0x40;
start_offset=0x40; /* 0x30 is extra data in VAG2 */
break;
case 'i': // VAGi
vgmstream->layout_type=layout_interleave;
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)/16*28;
vgmstream->num_samples = datasize / 16 * 28;
interleave = read_32bitLE(0x08,streamFile);
vgmstream->meta_type=meta_PS2_VAGi;
start_offset=0x800;
break;
case 'p': // VAGp
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
interleave=0x10;
if((read_32bitBE(0x04,streamFile)==0x00000004) && (read_32bitBE(0x0c,streamFile)<(get_streamfile_size(streamFile)/2))) {
if ((version == 0x00000004) && (datasize < filesize / 2)) {
vgmstream->channels=2;
vgmstream->num_samples = read_32bitBE(0x0C,streamFile);
vgmstream->num_samples = datasize; /* todo test if datasize/16*28? */
if(loop_flag) {
vgmstream->loop_start_sample=read_32bitBE(0x14,streamFile);
@ -125,33 +135,42 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
// Double VAG Header @ 0x0000 & 0x1000
if(read_32bitBE(0,streamFile)==read_32bitBE(0x1000,streamFile)) {
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)/16*28;
vgmstream->num_samples = datasize / 16 * 28;
interleave=0x1000;
start_offset=0;
}
}
else if (read_32bitBE(0x04,streamFile) == 0x00020001) { /* HEVAG */
vgmstream->meta_type = meta_PS2_VAGs;
vgmstream->coding_type = coding_HEVAG_ADPCM;
vgmstream->layout_type = layout_interleave;
else if (version == 0x40000000) { /* Guerilla VAG (little endian) */
datasize = read_32bitLE(0x0c,streamFile);
vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
vgmstream->layout_type=layout_none;
vgmstream->meta_type=meta_PS2_VAGp;
vgmstream->num_samples = read_32bitBE(0x0C,streamFile) / channel_count / 16 * 28;
vgmstream->num_samples = datasize / channel_count / 16 * 28;
start_offset = 0x30;
}
else {
else if (version == 0x00020001) { /* HEVAG */
vgmstream->coding_type = coding_HEVAG_ADPCM;
vgmstream->layout_type = layout_interleave;
vgmstream->meta_type = meta_PS2_VAGs;
vgmstream->num_samples = datasize / channel_count / 16 * 28;
start_offset = 0x30;
}
else { /* VAGp, usually separate L/R files */
vgmstream->layout_type=layout_none;
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)/16*28;
vgmstream->meta_type=meta_PS2_VAGp;
vgmstream->num_samples = datasize / channel_count / 16 * 28;
start_offset=0x30;
}
break;
case 'V': // pGAV
vgmstream->layout_type=layout_interleave;
interleave=0x2000;
interleave=0x2000; /* Jak 3 interleave, includes header */
// Jak X hack ...
if(read_32bitLE(0x1000,streamFile)==0x56414770)
interleave=0x1000;
if(read_32bitLE(0x1000,streamFile)==0x56414770) /* "pGAV" */
interleave=0x1000; /* Jak X interleave, includes header */
vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
vgmstream->num_samples = read_32bitLE(0x0C,streamFile)/16*14;
@ -203,15 +222,16 @@ fail:
/**
* Finds loop points in VAG data using flag markers and updates loop_start and loop_end with the offsets.
* Finds loop points in VAG data using flag markers and updates loop_start and loop_end with the global offsets.
*
* returns 0 if not found
*/
static int vag_find_loop_points(STREAMFILE *streamFile, off_t * loop_start, off_t * loop_end, off_t offset) {
static int vag_find_loop_offsets(STREAMFILE *streamFile, off_t start_offset, off_t * loop_start, off_t * loop_end) {
off_t loopStart = 0;
off_t loopEnd = 0;
/* used for loop points ... */
/* used for loop points (todo: variations: 0x0c0700..00, 0x070077..77 ) */
/* 'used to prevent unnecessary SPU interrupts' (optional if no IRQ or no looping) */
uint8_t eofVAG[16]={0x00,0x07,0x77,0x77,0x77,0x77,0x77,0x77,0x77,0x77,0x77,0x77,0x77,0x77,0x77,0x77};
uint8_t eofVAG2[16]={0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t readbuf[16];
@ -221,7 +241,7 @@ static int vag_find_loop_points(STREAMFILE *streamFile, off_t * loop_start, off_
size_t fileLength = get_streamfile_size(streamFile);
off_t readOffset = offset - 0x10;
off_t readOffset = start_offset - 0x10;
do {
readOffset+=0x10;
@ -247,7 +267,7 @@ static int vag_find_loop_points(STREAMFILE *streamFile, off_t * loop_start, off_
int read = read_streamfile(readbuf,readOffset+0x10,0x10,streamFile);
if(read > 0 && readbuf[0]!=0x00 && readbuf[0]!=0x0c) { /* is there valid data after flag 0x1? */
if(memcmp(readbuf,eofVAG,0x10) && (memcmp(readbuf,eofVAG2,0x10))) { /* probably could just check flag 0x7*/
loopStart = offset + 0x10;
loopStart = start_offset + 0x10; /* todo proper start */
loopEnd = readOffset;
break;
}
@ -257,7 +277,7 @@ static int vag_find_loop_points(STREAMFILE *streamFile, off_t * loop_start, off_
} while (streamFile->get_offset(streamFile)<(off_t)fileLength);
if (loopEnd) {
if (loopStart && loopEnd) {
*loop_start = loopStart;
*loop_end = loopEnd;
return 1;