vgmstream/src/meta/vawx.c
2018-08-19 10:07:27 +02:00

116 lines
4.4 KiB
C

#include "meta.h"
#include "../layout/layout.h"
#include "../coding/coding.h"
/* VAWX - found in feelplus games [No More Heroes: Heroes Paradise (PS3/X360), Moon Diver (PS3/X360)] */
VGMSTREAM * init_vgmstream_vawx(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, data_size;
int loop_flag = 0, channel_count, codec;
/* checks */
/* .xwv: actual extension [Moon Diver (PS3/X360)]
* .vawx: header id */
if ( !check_extensions(streamFile, "xwv,vawx") )
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x56415758) /* "VAWX" */
goto fail;
loop_flag = read_8bit(0x37,streamFile);
channel_count = read_8bit(0x39,streamFile);
start_offset = 0x800; /* ? read_32bitLE(0x0c,streamFile); */
codec = read_8bit(0x36,streamFile); /* could be at 0x38 too */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* 0x04: filesize */
/* 0x16: file id */
vgmstream->num_samples = read_32bitBE(0x3c,streamFile);
vgmstream->sample_rate = read_32bitBE(0x40,streamFile);
vgmstream->meta_type = meta_VAWX;
switch(codec) {
case 2: /* VAG */
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = channel_count == 6 ? layout_blocked_vawx : layout_interleave ;
vgmstream->interleave_block_size = 0x10;
vgmstream->loop_start_sample = read_32bitBE(0x44,streamFile);
vgmstream->loop_end_sample = read_32bitBE(0x48,streamFile);
break;
#ifdef VGM_USE_FFMPEG
case 1: { /* XMA2 */
ffmpeg_codec_data *ffmpeg_data = NULL;
uint8_t buf[0x100];
int32_t bytes, block_size, block_count;
data_size = get_streamfile_size(streamFile)-start_offset;
block_size = 0x10000; /* VAWX default */
block_count = (uint16_t)read_16bitBE(0x3A, streamFile); /* also at 0x56 */
bytes = ffmpeg_make_riff_xma2(buf,0x100, vgmstream->num_samples, data_size, vgmstream->channels, vgmstream->sample_rate, block_count, block_size);
ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,data_size);
if ( !ffmpeg_data ) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
vgmstream->loop_start_sample = read_32bitBE(0x44,streamFile);
vgmstream->loop_end_sample = read_32bitBE(0x48,streamFile);
break;
}
case 7: { /* ATRAC3 */
uint8_t buf[0x100];
int32_t bytes, block_size, encoder_delay, joint_stereo, max_samples;
data_size = read_32bitBE(0x54,streamFile);
block_size = 0x98 * vgmstream->channels;
joint_stereo = 0;
max_samples = atrac3_bytes_to_samples(data_size, block_size);
encoder_delay = 0x0; //max_samples - vgmstream->num_samples; /* todo not correct */
vgmstream->num_samples = max_samples; /* use calc samples since loop points are too, breaks looping in some files otherwise */
/* make a fake riff so FFmpeg can parse the ATRAC3 */
bytes = ffmpeg_make_riff_atrac3(buf,0x100, vgmstream->num_samples, data_size, vgmstream->channels, vgmstream->sample_rate, block_size, joint_stereo, encoder_delay);
vgmstream->codec_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,data_size);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
vgmstream->loop_start_sample = atrac3_bytes_to_samples(read_32bitBE(0x44,streamFile), block_size);
vgmstream->loop_end_sample = atrac3_bytes_to_samples(read_32bitBE(0x48,streamFile), block_size);
//vgmstream->loop_start_sample -= encoder_delay;
//vgmstream->loop_end_sample -= encoder_delay;
break;
}
#endif
default:
goto fail;
}
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
if (vgmstream->layout_type == layout_blocked_vawx)
block_update_vawx(start_offset,vgmstream);
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}