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Diffstat (limited to 'lib/vgmstream/src/meta/ps2_mic.c')
-rw-r--r--lib/vgmstream/src/meta/ps2_mic.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/vgmstream/src/meta/ps2_mic.c b/lib/vgmstream/src/meta/ps2_mic.c
new file mode 100644
index 0000000000..89a615d200
--- /dev/null
+++ b/lib/vgmstream/src/meta/ps2_mic.c
@@ -0,0 +1,75 @@
+#include "meta.h"
+#include "../util.h"
+
+/* MIC
+
+ PS2 MIC format is an interleaved format found in most of KOEI Games
+ The header always start the long value 0x800 which is the start
+ of the BGM datas.
+
+ 2008-05-15 - Fastelbja : First version ...
+*/
+
+VGMSTREAM * init_vgmstream_ps2_mic(STREAMFILE *streamFile) {
+ VGMSTREAM * vgmstream = NULL;
+ char filename[260];
+
+ int loop_flag=0;
+ int channel_count;
+ int i;
+
+ /* check extension, case insensitive */
+ streamFile->get_name(streamFile,filename,sizeof(filename));
+ if (strcasecmp("mic",filename_extension(filename))) goto fail;
+
+ /* check Header */
+ if (read_32bitLE(0x00,streamFile) != 0x800)
+ goto fail;
+
+ /* check loop */
+ loop_flag = (read_32bitLE(0x14,streamFile)!=1);
+
+ channel_count=read_32bitLE(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;
+ vgmstream->sample_rate = read_32bitLE(0x04,streamFile);
+
+ /* Compression Scheme */
+ vgmstream->coding_type = coding_PSX;
+ vgmstream->num_samples = read_32bitLE(0x10,streamFile)*14*channel_count;
+
+ /* Get loop point values */
+ if(vgmstream->loop_flag) {
+ vgmstream->loop_start_sample = read_32bitLE(0x14,streamFile)*14*channel_count;
+ vgmstream->loop_end_sample = read_32bitLE(0x10,streamFile)*14*channel_count;
+ }
+
+ vgmstream->interleave_block_size = read_32bitLE(0x0C,streamFile);
+ vgmstream->layout_type = layout_interleave;
+ vgmstream->meta_type = meta_PS2_MIC;
+
+ /* open the file for reading by each channel */
+ {
+ for (i=0;i<channel_count;i++) {
+ vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,vgmstream->interleave_block_size);
+
+ if (!vgmstream->ch[i].streamfile) goto fail;
+
+ vgmstream->ch[i].channel_start_offset=
+ vgmstream->ch[i].offset=
+ (off_t)(0x800+vgmstream->interleave_block_size*i);
+ }
+ }
+
+ return vgmstream;
+
+ /* clean up anything we may have opened */
+fail:
+ if (vgmstream) close_vgmstream(vgmstream);
+ return NULL;
+}