stupid revision for forgotten committed file

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@512 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
fastelbja 2008-12-11 23:17:54 +00:00
parent 828568bfef
commit ccc9ac49bf
2 changed files with 123 additions and 0 deletions

32
src/layout/thp_blocked.c Normal file
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@ -0,0 +1,32 @@
#include "layout.h"
#include "../vgmstream.h"
/* set up for the block at the given offset */
void thp_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
int i,j;
STREAMFILE *streamFile=vgmstream->ch[0].streamfile;
off_t start_offset;
off_t interleave_offset;
int32_t nextFrameSize;
vgmstream->current_block_offset = block_offset;
nextFrameSize=read_32bitBE(vgmstream->current_block_offset,streamFile);
vgmstream->next_block_offset = vgmstream->current_block_offset
+ vgmstream->thpNextFrameSize;
vgmstream->thpNextFrameSize=nextFrameSize;
start_offset=vgmstream->current_block_offset
+ read_32bitBE(vgmstream->current_block_offset+0x08,streamFile)+0x10;
vgmstream->current_block_size=read_32bitBE(start_offset,streamFile);
start_offset+=8;
for(i=0;i<vgmstream->channels;i++) {
for(j=0;j<16;j++) {
vgmstream->ch[i].adpcm_coef[j]=read_16bitBE(start_offset+(i*0x20)+(j*2),streamFile);
}
vgmstream->ch[i].adpcm_history1_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4),streamFile);
vgmstream->ch[i].adpcm_history2_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4) + 2,streamFile);
vgmstream->ch[i].offset = start_offset + (0x24*vgmstream->channels)+(i*vgmstream->current_block_size);
}
}

91
src/meta/thp.c Normal file
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#include "meta.h"
#include "../util.h"
/* THP (Just play audio from .thp movie file)
by fastelbja */
VGMSTREAM * init_vgmstream_thp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
off_t start_offset;
uint32_t maxAudioSize=0;
uint32_t numComponents;
off_t componentTypeOffset;
off_t componentDataOffset;
char componentTypes[16];
int loop_flag;
int channel_count;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("thp",filename_extension(filename)) &&
strcasecmp("dsp",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x54485000)
goto fail;
maxAudioSize = read_32bitBE(0x0C,streamFile);
if(maxAudioSize==0) // no sound
goto fail;
loop_flag = 0; // allways unloop
/* fill in the vital statistics */
start_offset = read_32bitBE(0x28,streamFile);
// Get info from the first block
componentTypeOffset = read_32bitBE(0x20,streamFile);
numComponents = read_32bitBE(componentTypeOffset ,streamFile);
componentDataOffset=componentTypeOffset+0x14;
componentTypeOffset+=4;
for(i=0;i<numComponents;i++) {
if(read_8bit(componentTypeOffset+i,streamFile)==1) {
channel_count=read_32bitBE(componentDataOffset,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->channels=channel_count;
vgmstream->sample_rate=read_32bitBE(componentDataOffset+4,streamFile);
vgmstream->num_samples=read_32bitBE(componentDataOffset+8,streamFile);
break;
} else
componentDataOffset+=0x0c;
}
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
}
}
vgmstream->thpNextFrameSize=read_32bitBE(0x18,streamFile);
thp_block_update(start_offset,vgmstream);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_thp_blocked;
vgmstream->meta_type = meta_THP;
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}