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.ras looping

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git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@882 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
halleyscometsw 2010-11-23 18:12:01 +00:00
parent 9c7283eda0
commit ab8b8e86f4
1 changed files with 19 additions and 1 deletions
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20
src/meta/wii_ras.c
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@ -19,6 +19,12 @@ VGMSTREAM * init_vgmstream_wii_ras(STREAMFILE *streamFile) {
goto fail;
loop_flag = 0;
if (read_32bitBE(0x30,streamFile) != 0 ||
read_32bitBE(0x34,streamFile) != 0 ||
read_32bitBE(0x38,streamFile) != 0 ||
read_32bitBE(0x3C,streamFile) != 0) {
loop_flag = 1;
}
channel_count = 2;
/* build the VGMSTREAM */
@ -30,11 +36,21 @@ VGMSTREAM * init_vgmstream_wii_ras(STREAMFILE *streamFile) {
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x14,streamFile);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->num_samples = read_32bitBE(0xc,streamFile);
vgmstream->num_samples = read_32bitBE(0x1c,streamFile)/channel_count/8*14;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitBE(0x20,streamFile);
vgmstream->meta_type = meta_WII_RAS;
if (loop_flag) {
// loop is block + samples into block
vgmstream->loop_start_sample =
read_32bitBE(0x30,streamFile)*vgmstream->interleave_block_size/8*14 +
read_32bitBE(0x34,streamFile);
vgmstream->loop_end_sample =
read_32bitBE(0x38,streamFile)*vgmstream->interleave_block_size/8*14 +
read_32bitBE(0x3C,streamFile);
}
if (vgmstream->coding_type == coding_NGC_DSP) {
int i;
for (i=0;i<16;i++) {
@ -44,6 +60,8 @@ VGMSTREAM * init_vgmstream_wii_ras(STREAMFILE *streamFile) {
for (i=0;i<16;i++)
vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x70+i*2,streamFile);
}
} else {
goto fail;
}
/* open the file for reading */