Cool_Tools/vgmstream
1
0
Fork 0
mirror of https://github.com/vgmstream/vgmstream.git synced 2025-01-18 07:44:43 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fix some OPUS + looping [Ultra Street Fighter 2, Disgaea 5]

Browse Source
This commit is contained in:
bnnm 2017-11-05 18:12:28 +01:00
parent 56cb2a98bd
commit 5b863393b8
2 changed files with 40 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/formats.c
View File

@ -901,7 +901,7 @@ static const meta_info meta_info_list[] = {
{meta_BINK, "RAD Game Tools Bink header"},
{meta_EA_SNU, "Electronic Arts SNU header"},
{meta_AWC, "Rockstar AWC header"},
{meta_NSW_OPUS, ".OPUS header"},
{meta_NSW_OPUS, "Nintendo Switch OPUS header"},
{meta_PC_AL2, "Illwinter Game Design AL2 raw header"},
{meta_PC_AST, "Capcom AST (PC) header"},
{meta_UBI_SB, "Ubisoft SBx header"},

46
src/meta/nsw_opus.c
View File

@ -2,30 +2,61 @@
#include "../util.h"
#include "../coding/coding.h"
/* .OPUS - from Lego City Undercover (Switch) */
/* .OPUS - from Switch games (Lego City Undercover, Ultra SF II, Disgaea 5) */
VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
int loop_flag = 0, channel_count;
int num_samples = 0, loop_start = 0, loop_end = 0;
off_t offset = 0;
/* check extension, case insensitive */
if ( !check_extensions(streamFile,"opus")) /* no relation to Ogg Opus */
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x01000080)
/* variations, maybe custom */
if (read_32bitBE(0x00,streamFile) == 0x01000080) { /* Lego City Undercover */
offset = 0x00;
}
else if ((read_32bitBE(0x04,streamFile) == 0x00000000 && read_32bitBE(0x0c,streamFile) == 0x00000000) ||
(read_32bitBE(0x04,streamFile) == 0xFFFFFFFF && read_32bitBE(0x0c,streamFile) == 0xFFFFFFFF)) { /* Disgaea 5 */
offset = 0x10;
loop_start = read_32bitLE(0x00,streamFile);
loop_end = read_32bitLE(0x08,streamFile);
}
else if (read_32bitLE(0x04,streamFile) == 0x02) { /* Ultra Street Fighter II */
offset = read_32bitLE(0x1c,streamFile);
num_samples = read_32bitLE(0x00,streamFile);
loop_start = read_32bitLE(0x08,streamFile);
loop_end = read_32bitLE(0x0c,streamFile);
}
else {
offset = 0x00;
}
if (read_32bitBE(offset + 0x00,streamFile) != 0x01000080)
goto fail;
start_offset = 0x28;
channel_count = read_8bit(0x09,streamFile); /* assumed */
/* other values in the header: no idea */
start_offset = offset + 0x28;
channel_count = read_8bit(offset + 0x09,streamFile); /* assumed */
/* 0x0a: packet size if CBR?, other values: no idea */
loop_flag = (loop_end > 0); /* -1 when not set */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = read_32bitLE(0x0c,streamFile);
vgmstream->sample_rate = read_32bitLE(offset + 0x0c,streamFile);
vgmstream->meta_type = meta_NSW_OPUS;
vgmstream->num_samples = num_samples;
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end;
#ifdef VGM_USE_FFMPEG
{
uint8_t buf[0x100];
@ -47,7 +78,8 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
vgmstream->num_samples = switch_opus_get_samples(start_offset, data_size, vgmstream->sample_rate, streamFile);
if (vgmstream->num_samples == 0)
vgmstream->num_samples = switch_opus_get_samples(start_offset, data_size, vgmstream->sample_rate, streamFile);
}
#else
goto fail;