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add .sad support (only Professor Layton type for now)

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git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@438 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
halleyscometsw 2008-09-23 11:07:41 +00:00
parent 2cf85fa11c
commit dbb87cfe07
7 changed files with 90 additions and 1 deletions
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3
src/Makefile
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@ -134,7 +134,8 @@ META_OBJS=meta/adx_header.o \
meta/kraw.o \
meta/ps2_xa2.o \
meta/idsp.o \
meta/ngc_ymf.o
meta/ngc_ymf.o \
meta/nds_sad.o
OBJECTS=vgmstream.o streamfile.o util.o $(CODING_OBJS) $(LAYOUT_OBJS) $(META_OBJS)

4
src/libvgmstream.vcproj
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@ -317,6 +317,10 @@
RelativePath=".\meta\musx.c"
>
</File>
<File
RelativePath=".\meta\nds_sad.c"
>
</File>
<File
RelativePath=".\meta\nds_strm.c"
>

1
src/meta/Makefile.unix.am
View File

@ -103,4 +103,5 @@ libmeta_la_SOURCES += kraw.c
libmeta_la_SOURCES += ps2_xa2.c
libmeta_la_SOURCES += idsp.c
libmeta_la_SOURCES += ngc_ymf.c
libmeta_la_SOURCES += nds_sad.c
EXTRA_DIST = meta.h

2
src/meta/meta.h
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@ -227,4 +227,6 @@ VGMSTREAM * init_vgmstream_idsp(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_ngc_ymf(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_sadl(STREAMFILE * streamFile);
#endif

69
src/meta/nds_sad.c Normal file
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@ -0,0 +1,69 @@
#include "meta.h"
#include "../util.h"
/* sadl (only the Professor Layton interleaved IMA version) */
VGMSTREAM * init_vgmstream_sadl(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
off_t start_offset;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("sad",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x7361646c) /* "sadl" */
goto fail;
/* check file size */
if (read_32bitLE(0x40,streamFile) != get_streamfile_size(streamFile) )
goto fail;
/* check for the simple IMA type that we can handle */
if (read_8bit(0xc,streamFile) != 0x11)
goto fail;
loop_flag = 0;
channel_count = 2;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x100;
vgmstream->channels = channel_count;
vgmstream->sample_rate = 16000;
vgmstream->coding_type = coding_INT_IMA;
vgmstream->num_samples = read_32bitLE(0x50,streamFile);;
vgmstream->interleave_block_size=0x10;
vgmstream->layout_type = layout_interleave;
vgmstream->meta_type = meta_SADL;
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}

10
src/vgmstream.c
View File

@ -129,6 +129,7 @@ VGMSTREAM * (*init_vgmstream_fcns[])(STREAMFILE *streamFile) = {
init_vgmstream_ps2_xa2,
init_vgmstream_idsp,
init_vgmstream_ngc_ymf,
init_vgmstream_sadl,
};
#define INIT_VGMSTREAM_FCNS (sizeof(init_vgmstream_fcns)/sizeof(init_vgmstream_fcns[0]))
@ -545,6 +546,7 @@ int get_vgmstream_samples_per_frame(VGMSTREAM * vgmstream) {
case coding_EACS_IMA:
case coding_IMA:
return 1;
case coding_INT_IMA:
case coding_INT_DVI_IMA:
case coding_AICA:
return 2;
@ -629,6 +631,7 @@ int get_vgmstream_frame_size(VGMSTREAM * vgmstream) {
return 1; // the frame is variant in size
case coding_WS:
return vgmstream->current_block_size;
case coding_INT_IMA:
case coding_INT_DVI_IMA:
case coding_AICA:
return 1;
@ -837,6 +840,7 @@ void decode_vgmstream(VGMSTREAM * vgmstream, int samples_written, int samples_to
}
break;
case coding_IMA:
case coding_INT_IMA:
for (chan=0;chan<vgmstream->channels;chan++) {
decode_ima(&vgmstream->ch[chan],buffer+samples_written*vgmstream->channels+chan,
vgmstream->channels,vgmstream->samples_into_block,
@ -1145,6 +1149,9 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
case coding_EACS_IMA:
snprintf(temp,TEMPSIZE,"EACS 4-bit IMA ADPCM");
break;
case coding_INT_IMA:
snprintf(temp,TEMPSIZE,"Interleaved 4-bit IMA ADPCM");
break;
case coding_IMA:
snprintf(temp,TEMPSIZE,"4-bit IMA ADPCM");
break;
@ -1507,6 +1514,9 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
case meta_DSP_SADB:
snprintf(temp,TEMPSIZE,"sadb header");
break;
case meta_SADL:
snprintf(temp,TEMPSIZE,"sadl header");
break;
case meta_PS2_BMDX:
snprintf(temp,TEMPSIZE,"Beatmania .bmdx header");
break;

2
src/vgmstream.h
View File

@ -64,6 +64,7 @@ typedef enum {
coding_INT_DVI_IMA, /* Interleaved DVI */
coding_EACS_IMA,
coding_IMA, /* bare IMA, low nibble first */
coding_INT_IMA, /* */
coding_WS, /* Westwood Studios' custom VBR ADPCM */
#ifdef VGM_USE_MPEG
coding_fake_MPEG2_L2, /* MPEG-2 Layer 2 (AHX), with lying headers */
@ -235,6 +236,7 @@ typedef enum {
meta_PS2_XA2, /* XA2 XG3 file */
meta_IDSP, /* Chronicles of Narnia */
meta_NGC_YMF, /* WWE WrestleMania X8 */
meta_SADL, /* .sad */
meta_XBOX_WAVM, /* XBOX WAVM File */
meta_XBOX_RIFF, /* XBOX RIFF/WAVE File */