mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 01:45:58 +01:00
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
#include "meta.h"
|
|
|
|
|
|
/* MC3 - from Paradigm games [Spy Hunter, MX Rider, Terminator 3] */
|
|
VGMSTREAM * init_vgmstream_mc3(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channel_count;
|
|
|
|
/* check extension, case insensitive */
|
|
if ( !check_extensions(streamFile,"mc3"))
|
|
goto fail;
|
|
|
|
if (read_32bitBE(0x00,streamFile) != 0x4D504333) /* "MPC3" */
|
|
goto fail;
|
|
if (read_32bitBE(0x04,streamFile) != 0x00011400) /* version? */
|
|
goto fail;
|
|
|
|
start_offset = 0x1c;
|
|
loop_flag = 0;
|
|
channel_count = read_32bitLE(0x08, streamFile);
|
|
if (channel_count > 2) goto fail; /* not seen, decoder must be adapted */
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
vgmstream->coding_type = coding_MC3;
|
|
vgmstream->layout_type = layout_none;
|
|
vgmstream->meta_type = meta_MC3;
|
|
|
|
vgmstream->sample_rate = read_32bitLE(0x0c, streamFile);
|
|
vgmstream->num_samples = read_32bitLE(0x10, streamFile) * 10; /* sizes in sub-blocks of 10 samples (without headers) */
|
|
vgmstream->interleave_block_size = (read_32bitLE(0x14, streamFile) * 4 * channel_count) + 4;
|
|
if (read_32bitLE(0x18, streamFile) + start_offset != get_streamfile_size(streamFile))
|
|
goto fail;
|
|
|
|
|
|
/* open the file for reading */
|
|
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|