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git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@201 51a99a44-fe44-0410-b1ba-c3e57ba2b86b

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This commit is contained in:
fastelbja 2008-05-28 11:36:17 +00:00
parent 1dce587022
commit 1f8dca2256
5 changed files with 131 additions and 38 deletions
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2
src/meta/meta.h
View File

@ -71,4 +71,6 @@ VGMSTREAM * init_vgmstream_xbox_wavm(STREAMFILE *streamFile);
VGMSTREAM * init_vgmstream_xbox_xwav(STREAMFILE *streamFile);
VGMSTREAM * init_vgmstream_ngc_str(STREAMFILE *streamFile);
#endif

62
src/meta/ngc_dsp_std.c
View File

@ -419,6 +419,68 @@ fail:
return NULL;
}
/* str: a very simple header format with implicit loop values
* it's allways in interleaved stereo format
*/
VGMSTREAM * init_vgmstream_ngc_str(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
struct dsp_header header;
const off_t start_offset = 0x60;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("str",filename_extension(filename))) goto fail;
/* always 0xFAAF0001 @ offset 0 */
if (read_32bitBE(0x00,streamFile)!=0xFAAF0001) goto fail;
/* build the VGMSTREAM */
/* always loop & stereo */
vgmstream = allocate_vgmstream(2,1);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitBE(0x08,streamFile);
vgmstream->sample_rate = read_32bitBE(0x04,streamFile);
/* always loop to the beginning */
vgmstream->loop_start_sample=0;
vgmstream->loop_end_sample=vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitBE(0x0C,streamFile);
vgmstream->meta_type = meta_DSP_STR;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x10+(i*2),streamFile);
vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x30+(i*2),streamFile);
}
/* open the file for reading */
for (i=0;i<2;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,
vgmstream->interleave_block_size);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* a bunch of formats that are identical except for file extension,
* but have different interleaves */

26
src/meta/ps2_vag.c
View File

@ -55,6 +55,10 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
if(read_32bitBE(0x20,streamFile)==0x53746572) // vag Stereo
channel_count=2;
case 'p':
if(read_32bitBE(0x04,streamFile)==0x00000004) {
loop_flag=(read_32bitBE(0x14,streamFile)!=0);
channel_count=2;
} else {
/* Search for loop in VAG */
fileLength = get_streamfile_size(streamFile);
@ -86,6 +90,7 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
} while (streamFile->get_offset(streamFile)<(off_t)fileLength);
loop_flag = (loopEnd!=0);
}
break;
default:
goto fail;
@ -108,12 +113,27 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
start_offset=0x800;
break;
case 'p': // VAGp
vgmstream->layout_type=layout_none;
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
interleave=0x10; // used for loop calc
if(read_32bitBE(0x04,streamFile)==0x00000004) {
vgmstream->channels=2;
vgmstream->num_samples = read_32bitBE(0x0C,streamFile);
if(loop_flag) {
vgmstream->loop_start_sample=read_32bitBE(0x14,streamFile);
vgmstream->loop_end_sample =read_32bitBE(0x18,streamFile);
}
start_offset=0x80;
vgmstream->layout_type=layout_interleave;
vgmstream->meta_type=meta_PS2_VAGs;
} else {
vgmstream->layout_type=layout_none;
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)/16*28;
vgmstream->meta_type=meta_PS2_VAGp;
interleave=0x10; // used for loop calc
start_offset=0x30;
}
break;
case 'V': // pGAV
vgmstream->layout_type=layout_interleave;
@ -135,6 +155,7 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
vgmstream->interleave_block_size=interleave;
/* Don't add the header size to loop calc points */
if(vgmstream->meta_type!=meta_PS2_VAGs) {
loopStart-=start_offset;
loopEnd-=start_offset;
@ -144,6 +165,7 @@ VGMSTREAM * init_vgmstream_ps2_vag(STREAMFILE *streamFile) {
vgmstream->loop_end_sample = (int32_t)((loopEnd/(interleave*channel_count))*interleave)/16*28;
vgmstream->loop_end_sample += (int32_t)(loopEnd%(interleave*channel_count))/16*28;
}
}
/* Compression Scheme */
vgmstream->coding_type = coding_PSX;

8
src/vgmstream.c
View File

@ -15,7 +15,7 @@
* List of functions that will recognize files. These should correspond pretty
* directly to the metadata types
*/
#define INIT_VGMSTREAM_FCNS 34
#define INIT_VGMSTREAM_FCNS 35
VGMSTREAM * (*init_vgmstream_fcns[INIT_VGMSTREAM_FCNS])(STREAMFILE *streamFile) = {
init_vgmstream_adx, /* 0 */
init_vgmstream_brstm, /* 1 */
@ -50,7 +50,8 @@ VGMSTREAM * (*init_vgmstream_fcns[INIT_VGMSTREAM_FCNS])(STREAMFILE *streamFile)
init_vgmstream_ps2_ild, /* 30 */
init_vgmstream_ps2_pnb, /* 31 */
init_vgmstream_xbox_wavm, /* 32 */
init_vgmstream_xbox_xwav /* 33 */
init_vgmstream_xbox_xwav, /* 33 */
init_vgmstream_ngc_str /* 34 */
};
/* internal version with all parameters */
@ -721,6 +722,9 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
break;
case meta_PS2_VAGp:
snprintf(temp,TEMPSIZE,"Sony VAG Mono header (VAGp)");
break;
case meta_PS2_VAGs:
snprintf(temp,TEMPSIZE,"Sony VAG Stereo header (VAGp)");
break;
case meta_PS2_VAGm:
snprintf(temp,TEMPSIZE,"Sony VAG Mono header (VAGm)");

3
src/vgmstream.h
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@ -62,6 +62,8 @@ typedef enum {
meta_DSP_JETTERS, /* Bomberman Jetters .dsp */
meta_DSP_MSS,
meta_DSP_GCM,
meta_DSP_STR, /* Conan .str files */
/* Nintendo */
meta_STRM, /* STRM */
meta_RSTM, /* RSTM (similar to STRM) */
@ -99,6 +101,7 @@ typedef enum {
meta_PS2_ILD, /* ILD File */
meta_PS2_PNB, /* PsychoNauts Bgm File */
meta_PSX_XA, /* CD-XA with RIFF header */
meta_PS2_VAGs, /* VAG Stereo from Kingdom Hearts */
meta_XBOX_WAVM, /* XBOX WAVM File */
meta_XBOX_RIFF, /* XBOX RIFF/WAVE File */