rwsd type 3 support (Let's Tap)

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@527 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
halleyscometsw 2008-12-20 05:17:24 +00:00
parent 23d4940303
commit d642767990

View File

@ -16,6 +16,7 @@ VGMSTREAM * init_vgmstream_rwsd(STREAMFILE *streamFile) {
int codec_number;
int channel_count;
int loop_flag;
int version = -1;
off_t start_offset;
size_t stream_size;
@ -25,24 +26,43 @@ VGMSTREAM * init_vgmstream_rwsd(STREAMFILE *streamFile) {
if (strcasecmp("rwsd",filename_extension(filename))) goto fail;
/* check header */
if ((uint32_t)read_32bitBE(0,streamFile)!=0x52575344 || /* "RWSD" */
(uint32_t)read_32bitBE(4,streamFile)!=0xFEFF0102)
if ((uint32_t)read_32bitBE(0,streamFile)!=0x52575344) /* "RWSD" */
goto fail;
/* ideally we would look through the chunk list for a WAVE chunk,
* but it's always in the same order */
/* get WAVE offset, check */
wave_offset = read_32bitBE(0x18,streamFile);
if ((uint32_t)read_32bitBE(wave_offset,streamFile)!=0x57415645) /* "WAVE" */
goto fail;
/* get WAVE size, check */
wave_length = read_32bitBE(0x1c,streamFile);
if (read_32bitBE(wave_offset+4,streamFile)!=wave_length)
goto fail;
switch (read_32bitBE(4,streamFile))
{
case 0xFEFF0102:
/* ideally we would look through the chunk list for a WAVE chunk,
* but it's always in the same order */
/* get WAVE offset, check */
wave_offset = read_32bitBE(0x18,streamFile);
if ((uint32_t)read_32bitBE(wave_offset,streamFile)!=0x57415645) /* "WAVE" */
goto fail;
/* get WAVE size, check */
wave_length = read_32bitBE(0x1c,streamFile);
if (read_32bitBE(wave_offset+4,streamFile)!=wave_length)
goto fail;
/* check wave count */
if (read_32bitBE(wave_offset+8,streamFile) != 1)
goto fail; /* only support 1 */
/* check wave count */
if (read_32bitBE(wave_offset+8,streamFile) != 1)
goto fail; /* only support 1 */
version = 2;
break;
case 0xFEFF0103:
{
if ((uint32_t)read_32bitBE(0x140,streamFile)!=0x52574156) /* "RWAV" */
goto fail;
wave_offset = 0x158;
version = 3;
}
break;
default:
goto fail;
}
/* get type details */
codec_number = read_8bit(wave_offset+0x10,streamFile);
@ -95,7 +115,10 @@ VGMSTREAM * init_vgmstream_rwsd(STREAMFILE *streamFile) {
}
}
start_offset = read_32bitBE(8,streamFile);
if (version == 2)
start_offset = read_32bitBE(8,streamFile);
else
start_offset = 0x248;
stream_size = read_32bitBE(wave_offset+0x50,streamFile);
/* open the file for reading by each channel */