Cool_Tools/vgmstream
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Minor code cleanup

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This commit is contained in:
bnnm 2017-03-04 02:07:48 +01:00
parent 3d1ae80f56
commit 93bcf85e9c
1 changed files with 12 additions and 47 deletions
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59
src/meta/mca.c
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@ -1,27 +1,19 @@
/*
Capcom MADP format found in Capcom 3DS games.
*/
#include "meta.h"
#include "../util.h"
#include "../coding/coding.h"
/* Capcom MADP - found in Capcom 3DS games */
VGMSTREAM * init_vgmstream_mca(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int channel_count;
int loop_flag;
int version;
int channel_count, loop_flag, version;
size_t head_size, data_size, file_size;
off_t start_offset, coef_offset, coef_start, coef_shift;
int i, j;
int coef_spacing;
/* check extension, case insensitive */
streamFile->get_name(streamFile, filename, sizeof(filename));
if (strcasecmp("mca", filename_extension(filename)))
if (!check_extensions(streamFile,"mca"))
goto fail;
/* check header */
if ((uint32_t)read_32bitBE(0, streamFile) != 0x4D414450) /* "MADP" */
goto fail;
@ -41,10 +33,7 @@ VGMSTREAM * init_vgmstream_mca(STREAMFILE *streamFile) {
vgmstream->loop_end_sample = read_32bitLE(0x18, streamFile);
vgmstream->coding_type = coding_NGC_DSP;
if (channel_count == 1)
vgmstream->layout_type = layout_none;
else
vgmstream->layout_type = layout_interleave;
vgmstream->layout_type = channel_count == 1 ? layout_none : layout_interleave;
vgmstream->meta_type = meta_MCA;
@ -78,7 +67,7 @@ VGMSTREAM * init_vgmstream_mca(STREAMFILE *streamFile) {
coef_offset = coef_start + coef_shift * 0x14;
}
/* sanity check */
/* sanity check (for bad rips with the header manually truncated to in attempt to "fix" v5 headers) */
file_size = get_streamfile_size(streamFile);
if (start_offset + data_size > file_size) {
@ -88,40 +77,16 @@ VGMSTREAM * init_vgmstream_mca(STREAMFILE *streamFile) {
start_offset = file_size - data_size;
}
/* set up ADPCM coefs */
for (j = 0; j<vgmstream->channels; j++) {
for (i = 0; i<16; i++) {
vgmstream->ch[j].adpcm_coef[i] = read_16bitLE(coef_offset + j*coef_spacing + i * 2, streamFile);
}
}
/* set up ADPCM coefs */
dsp_read_coefs_le(vgmstream, streamFile, coef_offset, coef_spacing);
/* open the file for reading by each channel */
{
for (i = 0; i<channel_count; i++) {
if (vgmstream->layout_type == layout_interleave_shortblock)
vgmstream->ch[i].streamfile = streamFile->open(streamFile, filename,
vgmstream->interleave_block_size);
else if (vgmstream->layout_type == layout_interleave)
vgmstream->ch[i].streamfile = streamFile->open(streamFile, filename,
STREAMFILE_DEFAULT_BUFFER_SIZE);
else
vgmstream->ch[i].streamfile = streamFile->open(streamFile, filename,
0x1000);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset =
vgmstream->ch[i].offset =
start_offset + i*vgmstream->interleave_block_size;
}
}
/* open the file for reading */
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;
}