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Move .OMU to its own file for consistency/clarity

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This commit is contained in:
bnnm 2017-12-06 18:07:17 +01:00
parent 8592aeea3d
commit 6b3c365480
2 changed files with 45 additions and 54 deletions
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45
src/meta/omu.c Normal file
View File

@ -0,0 +1,45 @@
#include "meta.h"
/* IMU - found in Alter Echo (PS2) */
VGMSTREAM * init_vgmstream_ps2_omu(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
int loop_flag, channel_count;
/* check extension */
if ( !check_extensions(streamFile,"omu") )
goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x4F4D5520 && /* "OMU " */
read_32bitBE(0x08,streamFile) != 0x46524D54) /* "FRMT" */
goto fail;
loop_flag = 1;
channel_count = (int)read_8bit(0x14,streamFile);
start_offset = 0x40;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
vgmstream->num_samples = (int32_t)(read_32bitLE(0x3C,streamFile)/(vgmstream->channels*2));
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_PCM16LE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x200;
vgmstream->meta_type = meta_PS2_OMU;
/* open the file for reading */
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}

54
src/meta/ps2_int.c
View File

@ -59,57 +59,3 @@ fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
// OMU is a PS2 .INT file with header ...
// found in Alter Echo
VGMSTREAM * init_vgmstream_ps2_omu(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int i,channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("omu",filename_extension(filename))) goto fail;
/* check header */
if((read_32bitBE(0,streamFile)!=0x4F4D5520) && (read_32bitBE(0x08,streamFile)!=0x46524D54))
goto fail;
channel_count = (int)read_8bit(0x14,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,1);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->channels=channel_count;
vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
vgmstream->coding_type = coding_PCM16LE;
vgmstream->num_samples = (int32_t)(read_32bitLE(0x3C,streamFile)/(vgmstream->channels*2));
vgmstream->interleave_block_size = 0x200;
vgmstream->layout_type = layout_interleave;
vgmstream->meta_type = meta_PS2_OMU;
vgmstream->loop_start_sample=0;
vgmstream->loop_end_sample=vgmstream->num_samples;
/* open the file for reading by each channel */
{
for (i=0;i<vgmstream->channels;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,0x8000);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=0x40+(i*vgmstream->interleave_block_size);
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}