mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-24 04:14:50 +01:00
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
#include "meta.h"
|
|
#include "bar_streamfile.h"
|
|
|
|
/* Guitar Hero III Mobile .bar */
|
|
VGMSTREAM * init_vgmstream_bar(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
STREAMFILE* streamFileBAR = NULL; // don't close, this is just the source streamFile wrapped
|
|
char filename[PATH_LIMIT];
|
|
off_t start_offset;
|
|
off_t ch2_start_offset;
|
|
int loop_flag;
|
|
int channel_count;
|
|
long file_size;
|
|
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
if (strcasecmp("bar",filename_extension(filename))) goto fail;
|
|
|
|
/* decryption wrapper for header reading */
|
|
streamFileBAR = wrap_bar_STREAMFILE(streamFile);
|
|
if (!streamFileBAR) goto fail;
|
|
|
|
file_size = get_streamfile_size(streamFileBAR);
|
|
|
|
/* check header */
|
|
if (read_32bitBE(0x00,streamFileBAR) != 0x11000100 ||
|
|
read_32bitBE(0x04,streamFileBAR) != 0x01000200) goto fail;
|
|
if (read_32bitLE(0x50,streamFileBAR) != file_size) goto fail;
|
|
|
|
start_offset = read_32bitLE(0x18,streamFileBAR);
|
|
if (0x54 != start_offset) goto fail;
|
|
ch2_start_offset = read_32bitLE(0x48,streamFileBAR);
|
|
if (ch2_start_offset >= file_size) goto fail;
|
|
|
|
/* build the VGMSTREAM */
|
|
channel_count = 2;
|
|
loop_flag = 0;
|
|
vgmstream = allocate_vgmstream(channel_count, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
/* fill in the vital statistics */
|
|
vgmstream->channels = channel_count;
|
|
vgmstream->sample_rate = 11025;
|
|
vgmstream->coding_type = coding_IMA;
|
|
vgmstream->num_samples = (file_size-ch2_start_offset)*2;
|
|
vgmstream->layout_type = layout_none;
|
|
vgmstream->meta_type = meta_GH3_BAR;
|
|
|
|
{
|
|
STREAMFILE *file1, *file2;
|
|
file1 = streamFileBAR->open(streamFileBAR,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
|
|
if (!file1) goto fail;
|
|
file2 = streamFileBAR->open(streamFileBAR,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
|
|
if (!file2)
|
|
{
|
|
close_streamfile(file1);
|
|
goto fail;
|
|
}
|
|
vgmstream->ch[0].streamfile = file1;
|
|
vgmstream->ch[1].streamfile = file2;
|
|
vgmstream->ch[0].channel_start_offset=
|
|
vgmstream->ch[0].offset=start_offset;
|
|
vgmstream->ch[1].channel_start_offset=
|
|
vgmstream->ch[1].offset=ch2_start_offset;
|
|
}
|
|
|
|
// discard our decrypt wrapper, without closing the original streamfile
|
|
free(streamFileBAR);
|
|
|
|
return vgmstream;
|
|
fail:
|
|
if (streamFileBAR)
|
|
free(streamFileBAR);
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|