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Cleanup

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bnnm 2017-11-17 18:51:43 +01:00
parent 4a2cf9dd91
commit 8ec00fb0ea
1 changed files with 14 additions and 29 deletions
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41
src/meta/tun.c
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@ -1,58 +1,43 @@
#include "meta.h" #include "meta.h"
#include "../util.h" #include "../coding/coding.h"
/* TUN (from LEGO Racers (PC)) */ /* ALP - from LEGO Racers (PC) */
VGMSTREAM * init_vgmstream_tun(STREAMFILE *streamFile) { VGMSTREAM * init_vgmstream_tun(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL; VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset; off_t start_offset;
int channel_count; int loop_flag, channel_count;
int loop_flag;
/* check extension, case insensitive */ /* check extension */
streamFile->get_name(streamFile,filename,sizeof(filename)); if ( !check_extensions(streamFile,"tun") )
if (strcasecmp("tun",filename_extension(filename))) goto fail; goto fail;
/* check header */ /* check header */
if (read_32bitBE(0x00,streamFile) != 0x414C5020) /* "ALP " */ if (read_32bitBE(0x00,streamFile) != 0x414C5020) /* "ALP " */
goto fail; goto fail;
channel_count = 2; channel_count = 2; /* probably at 0x0F */
loop_flag = 0; loop_flag = 0;
start_offset = 0x10;
/* also "ADPCM" at 0x08 */
/* build the VGMSTREAM */ /* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag); vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail; if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x10;
vgmstream->channels = channel_count; vgmstream->channels = channel_count;
vgmstream->sample_rate = 22050; vgmstream->sample_rate = 22050;
vgmstream->num_samples = ima_bytes_to_samples(get_streamfile_size(streamFile) - 0x10, channel_count);
vgmstream->coding_type = coding_DVI_IMA_int; vgmstream->coding_type = coding_DVI_IMA_int;
vgmstream->num_samples = (get_streamfile_size(streamFile)) - 0x10;
vgmstream->layout_type = layout_interleave; vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x01; vgmstream->interleave_block_size = 0x01;
vgmstream->meta_type = meta_TUN; vgmstream->meta_type = meta_TUN;
/* open the file for reading */ /* open the file for reading */
{ if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
int i; goto fail;
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; return vgmstream;
/* clean up anything we may have opened */
fail: fail:
if (vgmstream) close_vgmstream(vgmstream); if (vgmstream) close_vgmstream(vgmstream);
return NULL; return NULL;