vgmstream/src/meta/pc_al2.c

41 lines
1.1 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* AL" - headerless a-law, found in Conquest of Elysium 3 (PC) */
VGMSTREAM * init_vgmstream_pc_al2(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
int loop_flag = 0, channel_count;
if ( !check_extensions(streamFile,"al2"))
goto fail;
channel_count = 2;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = 22050;
vgmstream->coding_type = coding_ALAW;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x01;
vgmstream->meta_type = meta_PC_AL2;
vgmstream->num_samples = pcm_bytes_to_samples(get_streamfile_size(streamFile), channel_count, 8);
if (loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
start_offset = 0;
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}