vgmstream/src/meta/raw_int.c
2019-09-02 22:32:02 +02:00

45 lines
1.2 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* raw PCM file assumed by extension [PaRappa The Rapper 2 (PS2)? , Amplitude (PS2)?] */
VGMSTREAM * init_vgmstream_raw_int(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
int channel_count;
/* checks */
if (!check_extensions(streamFile, "int,wp2"))
goto fail;
if (check_extensions(streamFile, "int"))
channel_count = 2;
else
channel_count = 4;
/* ignore .int PS-ADPCM */
if (ps_check_format(streamFile, 0x00, 0x10000))
goto fail;
start_offset = 0x00;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,0);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_RAW_INT;
vgmstream->sample_rate = 48000;
vgmstream->num_samples = pcm_bytes_to_samples(get_streamfile_size(streamFile), vgmstream->channels, 16);
vgmstream->coding_type = coding_PCM16LE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x200;
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}