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Move nds_strm_ffta2 to its own file for clarity

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This commit is contained in:
bnnm 2017-07-08 11:02:22 +02:00
parent 7a87f27624
commit 781eb97040
5 changed files with 76 additions and 66 deletions
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4
src/libvgmstream.vcproj
View File

@ -522,6 +522,10 @@
RelativePath=".\meta\nds_strm.c"
>
</File>
<File
RelativePath=".\meta\nds_strm_ffta2.c"
>
</File>
<File
RelativePath=".\meta\nds_swav.c"
>

1
src/libvgmstream.vcxproj
View File

@ -247,6 +247,7 @@
<ClCompile Include="meta\nds_rrds.c" />
<ClCompile Include="meta\nds_sad.c" />
<ClCompile Include="meta\nds_strm.c" />
<ClCompile Include="meta\nds_strm_ffta2.c" />
<ClCompile Include="meta\nds_swav.c" />
<ClCompile Include="meta\ngc_adpdtk.c" />
<ClCompile Include="meta\ngc_bh2pcm.c" />

3
src/libvgmstream.vcxproj.filters
View File

@ -289,6 +289,9 @@
<ClCompile Include="meta\nds_strm.c">
<Filter>meta\Source Files</Filter>
</ClCompile>
<ClCompile Include="meta\nds_strm_ffta2.c">
<Filter>meta\Source Files</Filter>
</ClCompile>
<ClCompile Include="meta\nds_swav.c">
<Filter>meta\Source Files</Filter>
</ClCompile>

67
src/meta/nds_strm.c
View File

@ -1,6 +1,7 @@
#include "meta.h"
#include "../util.h"
/* STRM - common Nintendo NDS streaming format */
VGMSTREAM * init_vgmstream_nds_strm(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
@ -103,69 +104,3 @@ fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* STRM (from Final Fantasy Tactics A2 - Fuuketsu no Grimoire) */
VGMSTREAM * init_vgmstream_nds_strm_ffta2(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("strm",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x52494646 || /* RIFF */
read_32bitBE(0x08,streamFile) != 0x494D4120) /* "IMA " */
goto fail;
loop_flag = (read_32bitLE(0x20,streamFile) !=0);
channel_count = read_32bitLE(0x24,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x2C;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitLE(0x0C,streamFile);
vgmstream->coding_type = coding_IMA_int;
vgmstream->num_samples = (read_32bitLE(0x04,streamFile)-start_offset);
if (loop_flag) {
vgmstream->loop_start_sample = read_32bitLE(0x20,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x28,streamFile);
}
vgmstream->interleave_block_size = 0x80;
vgmstream->interleave_smallblock_size = (vgmstream->loop_end_sample)%((vgmstream->loop_end_sample)/vgmstream->interleave_block_size);
vgmstream->layout_type = layout_interleave_shortblock;
vgmstream->meta_type = meta_NDS_STRM_FFTA2;
/* 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;
}

67
src/meta/nds_strm_ffta2.c Normal file
View File

@ -0,0 +1,67 @@
#include "meta.h"
#include "../util.h"
/* STRM (from Final Fantasy Tactics A2 - Fuuketsu no Grimoire) */
VGMSTREAM * init_vgmstream_nds_strm_ffta2(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("strm",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x52494646 || /* RIFF */
read_32bitBE(0x08,streamFile) != 0x494D4120) /* "IMA " */
goto fail;
loop_flag = (read_32bitLE(0x20,streamFile) !=0);
channel_count = read_32bitLE(0x24,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x2C;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitLE(0x0C,streamFile);
vgmstream->coding_type = coding_IMA_int;
vgmstream->num_samples = (read_32bitLE(0x04,streamFile)-start_offset);
if (loop_flag) {
vgmstream->loop_start_sample = read_32bitLE(0x20,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x28,streamFile);
}
vgmstream->interleave_block_size = 0x80;
vgmstream->interleave_smallblock_size = (vgmstream->loop_end_sample)%((vgmstream->loop_end_sample)/vgmstream->interleave_block_size);
vgmstream->layout_type = layout_interleave_shortblock;
vgmstream->meta_type = meta_NDS_STRM_FFTA2;
/* 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;
}