mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 09:55:53 +01:00
467ca19450
fixes: standard, wem, xwc, xwb, xnb, xwx, rak, pk, txth, genh, seg, rsd, past, p3d, nub-xma, gtd, gsp, fsb, eaac, cxs, awc, aac
90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* ASTB - found in Dead Rising (X360) */
|
|
VGMSTREAM * init_vgmstream_x360_ast(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset, data_size;
|
|
int loop_flag, channel_count;
|
|
int i, xma_streams;
|
|
|
|
/* check extension, case insensitive */
|
|
if ( !check_extensions(streamFile,"ast"))
|
|
goto fail;
|
|
|
|
if (read_32bitBE(0x00,streamFile) != 0x41535442) /* "ASTB" */
|
|
goto fail;
|
|
|
|
if (read_32bitBE(0x04,streamFile) != get_streamfile_size(streamFile)) goto fail;
|
|
if (read_16bitBE(0x30,streamFile) != 0x165) goto fail; /* only seen XMA1 */
|
|
|
|
xma_streams = read_16bitBE(0x38,streamFile);
|
|
|
|
loop_flag = read_8bit(0x3a,streamFile);
|
|
channel_count = 0; /* sum of all stream channels (though only 1/2ch ever seen) */
|
|
for (i = 0; i < xma_streams; i++) {
|
|
channel_count += read_8bit(0x3c + 0x14*i + 0x11,streamFile);
|
|
}
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
start_offset = read_32bitBE(0x10,streamFile);
|
|
data_size = read_32bitBE(0x20,streamFile);
|
|
|
|
vgmstream->sample_rate = read_32bitBE(0x40,streamFile);
|
|
vgmstream->meta_type = meta_X360_AST;
|
|
|
|
{
|
|
/* manually find sample offsets (XMA1 nonsense again) */
|
|
ms_sample_data msd = {0};
|
|
|
|
msd.xma_version = 1;
|
|
msd.channels = channel_count;
|
|
msd.data_offset = start_offset;
|
|
msd.data_size = data_size;
|
|
msd.loop_flag = loop_flag;
|
|
msd.loop_start_b = read_32bitBE(0x44,streamFile);
|
|
msd.loop_end_b = read_32bitBE(0x48,streamFile);
|
|
msd.loop_start_subframe = read_8bit(0x4c,streamFile) & 0xF; /* lower 4b: subframe where the loop starts, 0..4 */
|
|
msd.loop_end_subframe = read_8bit(0x4c,streamFile) >> 4; /* upper 4b: subframe where the loop ends, 0..3 */
|
|
|
|
xma_get_samples(&msd, streamFile);
|
|
vgmstream->num_samples = msd.num_samples;
|
|
vgmstream->loop_start_sample = msd.loop_start_sample;
|
|
vgmstream->loop_end_sample = msd.loop_end_sample;
|
|
}
|
|
|
|
#ifdef VGM_USE_FFMPEG
|
|
{
|
|
uint8_t buf[100];
|
|
size_t bytes;
|
|
|
|
off_t fmt_offset = 0x30;
|
|
size_t fmt_size = 0x0c + xma_streams * 0x14;
|
|
|
|
/* XMA1 "fmt" chunk @ 0x20 (BE, unlike the usual LE) */
|
|
bytes = ffmpeg_make_riff_xma_from_fmt_chunk(buf,100, fmt_offset,fmt_size, data_size, streamFile, 1);
|
|
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;
|
|
|
|
xma_fix_raw_samples(vgmstream, streamFile, start_offset, data_size, fmt_offset, 1,1);
|
|
}
|
|
#else
|
|
goto fail;
|
|
#endif
|
|
|
|
/* open the file for reading */
|
|
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|