mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 09:55:53 +01:00
101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
#include "meta.h"
|
|
#include "../layout/layout.h"
|
|
|
|
/* THP - Nintendo movie format found in GC/Wii games */
|
|
VGMSTREAM* init_vgmstream_thp(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
off_t start_offset, component_type_offset, component_data_offset;
|
|
uint32_t version, max_audio_size;
|
|
int num_components;
|
|
int loop_flag, channels;
|
|
int i;
|
|
|
|
|
|
/* checks */
|
|
/* .thp: actual extension
|
|
* .dsp: fake extension?
|
|
* (extensionless): Fragile (Wii) */
|
|
if (!check_extensions(sf, "thp,dsp,"))
|
|
goto fail;
|
|
if (!is_id32be(0x00,sf, "THP\0"))
|
|
goto fail;
|
|
|
|
version = read_u32be(0x04,sf); /* 16b+16b major/minor */
|
|
/* 0x08: max buffer size */
|
|
max_audio_size = read_u32be(0x0C,sf);
|
|
/* 0x10: fps in float */
|
|
/* 0x14: block count */
|
|
/* 0x18: first block size */
|
|
/* 0x1c: data size */
|
|
|
|
if (version != 0x00010000 && version != 0x00011000) /* v1.0 (~2002) or v1.1 (rest) */
|
|
goto fail;
|
|
if (max_audio_size == 0) /* no sound */
|
|
goto fail;
|
|
|
|
component_type_offset = read_u32be(0x20,sf);
|
|
/* 0x24: block offsets table offset (optional, for seeking) */
|
|
start_offset = read_u32be(0x28,sf);
|
|
/* 0x2c: last block offset */
|
|
|
|
/* first component "type" x16 then component headers */
|
|
num_components = read_u32be(component_type_offset,sf);
|
|
component_type_offset += 0x04;
|
|
component_data_offset = component_type_offset + 0x10;
|
|
|
|
/* parse "component" (data that goes into blocks) */
|
|
for (i = 0; i < num_components; i++) {
|
|
int type = read_u8(component_type_offset + i,sf);
|
|
|
|
if (type == 0x00) { /* video */
|
|
if (version == 0x00010000)
|
|
component_data_offset += 0x08; /* width + height */
|
|
else
|
|
component_data_offset += 0x0c; /* width + height + format? */
|
|
}
|
|
else if (type == 0x01) { /* audio */
|
|
/* parse below */
|
|
#if 0
|
|
if (version == 0x00010000)
|
|
component_data_offset += 0x0c; /* channels + sample rate + samples */
|
|
else
|
|
component_data_offset += 0x10; /* channels + sample rate + samples + format? */
|
|
#endif
|
|
break;
|
|
}
|
|
else { /* 0xFF / no data (reserved as THP is meant to be extensible) */
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
/* official docs remark original's audio is adjusted to match GC's hardware rate
|
|
* (48000 > 48043 / 32000 > 32028), not sure if that means ouput sample rate should
|
|
* adjusted, but we can't detect Wii (non adjusted) .thp tho */
|
|
|
|
loop_flag = 0;
|
|
channels = read_u32be(component_data_offset + 0x00,sf);
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channels,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->sample_rate = read_u32be(component_data_offset + 0x04,sf);
|
|
vgmstream->num_samples = read_u32be(component_data_offset + 0x08,sf);
|
|
|
|
vgmstream->meta_type = meta_THP;
|
|
vgmstream->coding_type = coding_NGC_DSP;
|
|
vgmstream->layout_type = layout_blocked_thp;
|
|
/* coefs are in every block */
|
|
|
|
vgmstream->full_block_size = read_u32be(0x18,sf); /* next block size */
|
|
|
|
if (!vgmstream_open_stream(vgmstream,sf,start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|