mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 18:05:52 +01:00
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* .SMV - from Cho Aniki Zero (PSP) */
|
|
VGMSTREAM* init_vgmstream_smv(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
uint32_t start_offset, channel_size, loop_start;
|
|
int loop_flag, channels;
|
|
|
|
|
|
/* check extension */
|
|
if (!check_extensions(sf, "smv"))
|
|
goto fail;
|
|
|
|
channel_size = read_u32le(0x00,sf);
|
|
/* 0x08: number of full interleave blocks */
|
|
channels = read_u16le(0x0a,sf);
|
|
loop_start = read_u32le(0x18,sf);
|
|
loop_flag = (loop_start != -1);
|
|
start_offset = 0x800;
|
|
|
|
if (channel_size * channels + start_offset != get_streamfile_size(sf))
|
|
goto fail;
|
|
|
|
channel_size -= 0x10; /* last value has SPU end frame without flag 0x7 as it should */
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channels, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->sample_rate = read_s32le(0x10, sf);
|
|
vgmstream->num_samples = ps_bytes_to_samples(channel_size, 1);
|
|
vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, 1);
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
|
|
|
vgmstream->meta_type = meta_SMV;
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = read_u32le(0x04, sf);
|
|
vgmstream->interleave_last_block_size = read_u32le(0x0c, sf);
|
|
|
|
if (!vgmstream_open_stream(vgmstream,sf,start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|