diff options
Diffstat (limited to 'lib/vgmstream/src/meta/dc_kcey.c')
-rw-r--r-- | lib/vgmstream/src/meta/dc_kcey.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/vgmstream/src/meta/dc_kcey.c b/lib/vgmstream/src/meta/dc_kcey.c new file mode 100644 index 0000000000..7fbf5584d8 --- /dev/null +++ b/lib/vgmstream/src/meta/dc_kcey.c @@ -0,0 +1,66 @@ +#include "meta.h" +#include "../coding/coding.h" +#include "../util.h" + +VGMSTREAM * init_vgmstream_kcey(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("kcey",filename_extension(filename))) goto fail; + + /* check header */ + if (read_32bitBE(0x00,streamFile) != 0x4B434559) /* "DVI." */ + goto fail; + + loop_flag = (read_32bitBE(0x14,streamFile)!=0xFFFFFFFF); + channel_count = read_32bitBE(0x08,streamFile); + + /* build the VGMSTREAM */ + vgmstream = allocate_vgmstream(channel_count,loop_flag); + if (!vgmstream) goto fail; + + /* fill in the vital statistics */ + vgmstream->channels = channel_count; + start_offset = read_32bitBE(0x10,streamFile); + vgmstream->sample_rate = 37800; + vgmstream->coding_type = coding_EACS_IMA; + + vgmstream->num_samples = read_32bitBE(0x0C,streamFile); + + if (loop_flag) { + vgmstream->loop_start_sample = read_32bitBE(0x14,streamFile); + vgmstream->loop_end_sample = read_32bitBE(0x0C,streamFile); + } + + vgmstream->layout_type = layout_none; + vgmstream->meta_type = meta_KCEY; + vgmstream->get_high_nibble=1; + + /* 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+(i*vgmstream->interleave_block_size); + vgmstream->ch[i].adpcm_history1_32=0; + vgmstream->ch[i].adpcm_step_index=0; + } + } + + return vgmstream; + + /* clean up anything we may have opened */ +fail: + if (vgmstream) close_vgmstream(vgmstream); + return NULL; +} |