mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 07:32:52 +01:00
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
#include "meta.h"
|
|
#include "../layout/layout.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[PATH_LIMIT];
|
|
off_t start_offset;
|
|
|
|
uint32_t maxAudioSize=0;
|
|
|
|
uint32_t numComponents;
|
|
off_t componentTypeOffset;
|
|
off_t componentDataOffset;
|
|
|
|
char thpVersion;
|
|
|
|
int loop_flag;
|
|
int channel_count=-1;
|
|
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);
|
|
thpVersion = read_8bit(0x06,streamFile);
|
|
|
|
if(maxAudioSize==0) // no sound
|
|
goto fail;
|
|
|
|
loop_flag = 0; // allways unloop
|
|
|
|
/* fill in the vital statistics */
|
|
if(thpVersion==0x10) {
|
|
start_offset = read_32bitBE(0x24,streamFile);
|
|
/* No idea what's up with this */
|
|
if (start_offset == 0)
|
|
start_offset = read_32bitBE(0x28,streamFile);
|
|
} else
|
|
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 {
|
|
if(thpVersion==0x10)
|
|
componentDataOffset+=0x0c;
|
|
else
|
|
componentDataOffset+=0x08;
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
}
|