diff options
Diffstat (limited to 'lib/vgmstream/src/meta/ps2_kces.c')
-rw-r--r-- | lib/vgmstream/src/meta/ps2_kces.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/vgmstream/src/meta/ps2_kces.c b/lib/vgmstream/src/meta/ps2_kces.c new file mode 100644 index 0000000000..0d803939c8 --- /dev/null +++ b/lib/vgmstream/src/meta/ps2_kces.c @@ -0,0 +1,71 @@ +#include "meta.h" +#include "../util.h" + +/* KCES (from Dance Dance Revolution) */ +VGMSTREAM * init_vgmstream_ps2_kces(STREAMFILE *streamFile) { + VGMSTREAM * vgmstream = NULL; + char filename[260]; + off_t start_offset; + + int loop_flag = 0; + int channel_count; + + /* check extension, case insensitive */ + streamFile->get_name(streamFile,filename,sizeof(filename)); + if (strcasecmp("kces",filename_extension(filename)) && + strcasecmp("vig",filename_extension(filename))) goto fail; + + /* check header */ + if (read_32bitBE(0x00,streamFile) != 0x01006408) + goto fail; + + loop_flag = 0; /* (read_32bitLE(0x08,streamFile)!=0); */ + channel_count = read_32bitLE(0x1C,streamFile); + + /* build the VGMSTREAM */ + vgmstream = allocate_vgmstream(channel_count,loop_flag); + if (!vgmstream) goto fail; + + /* fill in the vital statistics */ + start_offset = read_32bitLE(0x08,streamFile); + vgmstream->channels = channel_count; + vgmstream->sample_rate = read_32bitLE(0x18,streamFile); + vgmstream->coding_type = coding_PSX; + vgmstream->num_samples = read_32bitLE(0x0C,streamFile)*28/16/channel_count; + if (loop_flag) { + vgmstream->loop_start_sample = 0; + vgmstream->loop_end_sample = read_32bitLE(0x0C,streamFile)*28/16/channel_count; + } + + + if(vgmstream->channels==1) { + vgmstream->layout_type=layout_none; + } else { + vgmstream->layout_type = layout_interleave; + vgmstream->interleave_block_size = read_32bitLE(0x24,streamFile); + } + vgmstream->meta_type = meta_PS2_KCES; + + /* 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->ch[i].channel_start_offset= + vgmstream->ch[i].offset=start_offset+ + vgmstream->interleave_block_size*i; + + } + } + + return vgmstream; + + /* clean up anything we may have opened */ +fail: + if (vgmstream) close_vgmstream(vgmstream); + return NULL; +} |