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Clean psx_gms

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This commit is contained in:
bnnm 2019-08-15 22:07:12 +02:00
parent badf3477e3
commit 3e4f64fda8
5 changed files with 39 additions and 61 deletions
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5
src/formats.c
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@ -394,6 +394,7 @@ static const char* extension_list[] = {
"sd9",
"sdf",
"sdt",
"seb",
"seg",
"sf0",
"sfl",
@ -820,8 +821,8 @@ static const meta_info meta_info_list[] = {
{meta_PS2_VAGi, "Sony VAGi header"},
{meta_PS2_VAGp, "Sony VAGp header"},
{meta_PS2_pGAV, "Sony pGAV header"},
{meta_PSX_GMS, "assumed Grandia GMS file by .gms extension"},
{meta_STR_WAV, "Blitz Games STR+WAV header"},
{meta_SEB, "Game Arts .SEB header"},
{meta_STR_WAV, "Blitz Games .STR+WAV header"},
{meta_PS2_ILD, "ILD header"},
{meta_PS2_PNB, "assumed PNB (PsychoNauts Bgm File) by .pnb extension"},
{meta_XBOX_WAVM, "Xbox WAVM raw header"},

2
src/meta/meta.h
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@ -88,7 +88,7 @@ VGMSTREAM * init_vgmstream_raw(STREAMFILE *streamFile);
VGMSTREAM * init_vgmstream_vag(STREAMFILE *streamFile);
VGMSTREAM * init_vgmstream_psx_gms(STREAMFILE *streamFile);
VGMSTREAM * init_vgmstream_seb(STREAMFILE *streamFile);
VGMSTREAM * init_vgmstream_ps2_ild(STREAMFILE *streamFile);

85
src/meta/psx_gms.c
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@ -1,76 +1,53 @@
#include "meta.h"
#include "../util.h"
/* GMS
PSX GMS format has no recognition ID.
This format was used essentially in Grandia Games but
can be easily used by other header format as the format of the header is very simple
known extensions : GMS
2008-05-19 - Fastelbja : First version ...
*/
VGMSTREAM * init_vgmstream_psx_gms(STREAMFILE *streamFile) {
/* .seb - Game Arts games [Grandia (PS1), Grandia II/III/X (PS2)] */
VGMSTREAM * init_vgmstream_seb(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int loop_flag=0;
int channel_count;
off_t start_offset;
int i;
int loop_flag, channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("gms",filename_extension(filename))) goto fail;
/* check loop */
loop_flag = (read_32bitLE(0x20,streamFile)==0);
/* checks */
/* .seb: found in Grandia II (PS2) .idx */
/* .gms: fake? (.stz+idx bigfile without names, except in Grandia II) */
if (!check_extensions(streamFile, "seb,gms,"))
goto fail;
/* Always stereo files */
channel_count=read_32bitLE(0x00,streamFile);
channel_count = read_32bitLE(0x00,streamFile);
if (channel_count > 2) goto fail; /* mono or stereo */
/* 0x08/0c: unknown count, possibly related to looping */
/* build the VGMSTREAM */
start_offset = 0x800;
if (read_32bitLE(0x10,streamFile) > get_streamfile_size(streamFile) || /* loop start offset */
read_32bitLE(0x18,streamFile) > get_streamfile_size(streamFile)) /* loop end offset */
goto fail;
/* in Grandia III sometimes there is a value at 0x24/34 */
loop_flag = (read_32bitLE(0x20,streamFile) == 0);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->channels = channel_count;
vgmstream->meta_type = meta_SEB;
vgmstream->sample_rate = read_32bitLE(0x04,streamFile);
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = read_32bitLE(0x1C,streamFile);
/* Get loop point values */
if(vgmstream->loop_flag) {
vgmstream->loop_start_sample = read_32bitLE(0x14,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x1C,streamFile);
}
vgmstream->num_samples = read_32bitLE(0x1c,streamFile);
vgmstream->loop_start_sample = read_32bitLE(0x14,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x1c,streamFile);
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x800;
vgmstream->meta_type = meta_PSX_GMS;
start_offset = 0x800;
/* open the file for reading by each channel */
{
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=
(off_t)(start_offset+vgmstream->interleave_block_size*i);
}
}
vgmstream->interleave_block_size = 0x800;
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
close_vgmstream(vgmstream);
return NULL;
}

2
src/vgmstream.c
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@ -51,7 +51,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
init_vgmstream_ps2_mic,
init_vgmstream_ngc_dsp_std_int,
init_vgmstream_vag,
init_vgmstream_psx_gms,
init_vgmstream_seb,
init_vgmstream_ps2_ild,
init_vgmstream_ps2_pnb,
init_vgmstream_xbox_wavm,

2
src/vgmstream.h
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@ -349,7 +349,7 @@ typedef enum {
meta_PS2_VAGi, /* VAGi Interleaved File */
meta_PS2_VAGp, /* VAGp Mono File */
meta_PS2_pGAV, /* VAGp with Little Endian Header */
meta_PSX_GMS, /* GMS File (used in PS1 & PS2) [no header_id] */
meta_SEB,
meta_STR_WAV, /* Blitz Games STR+WAV files */
meta_PS2_ILD, /* ILD File */
meta_PS2_PNB, /* PsychoNauts Bgm File */