Cool_Tools/vgmstream
1
0
Fork 0
mirror of https://github.com/vgmstream/vgmstream.git synced 2025-01-29 19:37:30 +01:00
Code Issues Packages Projects Releases Wiki Activity

add loop support for BNS, disable strict chunk size consistency checking (for Homebrew Channel)

Browse Source 
git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@690 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
halleyscometsw 2009-09-05 13:10:52 +00:00
parent 53fdc56999
commit cf92497382
1 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/meta/wii_bns.c
View File

@ -10,8 +10,9 @@ VGMSTREAM * init_vgmstream_wii_bns(STREAMFILE *streamFile) {
uint32_t info_offset=0,data_offset=0;
uint32_t channel_info_offset_list_offset;
int channel_count;
int loop_flag;
uint16_t sample_rate;
uint32_t sample_count;
uint32_t sample_count, loop_start;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
@ -57,7 +58,9 @@ VGMSTREAM * init_vgmstream_wii_bns(STREAMFILE *streamFile) {
chunk_offset+chunk_size > BNS_offset+header_file_size) goto fail;
// ensure chunk size in header matches that listed in chunk
if ((uint32_t)read_32bitBE(chunk_offset+4,streamFile) != chunk_size) goto fail;
// Note: disabled for now, as the Homebrew Channel BNS has a DATA
// chunk that doesn't include the header size
//if ((uint32_t)read_32bitBE(chunk_offset+4,streamFile) != chunk_size) goto fail;
// handle each chunk type
switch (read_32bitBE(chunk_offset,streamFile)) {
@ -78,12 +81,13 @@ VGMSTREAM * init_vgmstream_wii_bns(STREAMFILE *streamFile) {
/* parse out basic stuff in INFO */
{
/* only seen this zero, possibly format, loop flag? */
if (read_16bitBE(info_offset+0x00,streamFile) != 0) goto fail;
/* only seen this zero, specifies DSP format? */
if (read_8bit(info_offset+0x00,streamFile) != 0) goto fail;
loop_flag = read_8bit(info_offset+0x01,streamFile);
channel_count = read_8bit(info_offset+0x02,streamFile);
/* only seen zero, padding? loop flag? */
/* only seen zero, padding? */
if (read_8bit(info_offset+0x03,streamFile) != 0) goto fail;
sample_rate = (uint16_t)read_16bitBE(info_offset+0x04,streamFile);
@ -91,8 +95,7 @@ VGMSTREAM * init_vgmstream_wii_bns(STREAMFILE *streamFile) {
/* only seen this zero, padding? */
if (read_16bitBE(info_offset+0x06,streamFile) != 0) goto fail;
/* only seen this zero, loop start? */
if (read_32bitBE(info_offset+0x08,streamFile) != 0) goto fail;
loop_start = read_32bitBE(info_offset+0x08,streamFile);
sample_count = read_32bitBE(info_offset+0x0c,streamFile);
@ -100,7 +103,7 @@ VGMSTREAM * init_vgmstream_wii_bns(STREAMFILE *streamFile) {
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,0);
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
@ -111,6 +114,12 @@ VGMSTREAM * init_vgmstream_wii_bns(STREAMFILE *streamFile) {
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_WII_BNS;
if (loop_flag)
{
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = sample_count;
}
/* open the file for reading */
{
int i;