1 files changed, 66 insertions, 0 deletions
diff --git a/lib/vgmstream/src/meta/pos.c b/lib/vgmstream/src/meta/pos.c
new file mode 100644
index 0000000000..aac9291bff
--- /dev/null
+++ b/lib/vgmstream/src/meta/pos.c
@@ -0,0 +1,66 @@
+#include <ctype.h>
+#include "meta.h"
+#include "../util.h"
+
+#ifdef WIN32
+#define DIRSEP '\\'
+#else
+#define DIRSEP '/'
+#endif
+
+/* .pos is a tiny file with loop points, and the same base name as a .wav */
+
+VGMSTREAM * init_vgmstream_pos(STREAMFILE *streamFile) {
+    
+	VGMSTREAM * vgmstream = NULL;
+    STREAMFILE * streamFileWAV = NULL;
+    char filename[260];
+	char filenameWAV[260];
+
+	int i;
+
+    /* check extension, case insensitive */
+    streamFile->get_name(streamFile,filename,sizeof(filename));
+    if (strcasecmp("pos",filename_extension(filename))) goto fail;
+
+	/* check for .WAV file */
+	strcpy(filenameWAV,filename);
+	strcpy(filenameWAV+strlen(filenameWAV)-3,"wav");
+
+	streamFileWAV = streamFile->open(streamFile,filenameWAV,STREAMFILE_DEFAULT_BUFFER_SIZE);
+	if (!streamFileWAV) {
+        /* try again, ucase */
+        for (i=strlen(filenameWAV);i>=0&&filenameWAV[i]!=DIRSEP;i--)
+            filenameWAV[i]=toupper(filenameWAV[i]);
+
+        streamFileWAV = streamFile->open(streamFile,filenameWAV,STREAMFILE_DEFAULT_BUFFER_SIZE);
+        if (!streamFileWAV) goto fail;
+    }
+
+    /* let the real initer do the parsing */
+    vgmstream = init_vgmstream_riff(streamFileWAV);
+    if (!vgmstream) goto fail;
+
+    close_streamfile(streamFileWAV);
+    streamFileWAV = NULL;
+
+    /* install loops */
+    if (!vgmstream->loop_flag) {
+        vgmstream->loop_flag = 1;
+        vgmstream->loop_ch = calloc(vgmstream->channels,
+                sizeof(VGMSTREAMCHANNEL));
+        if (!vgmstream->loop_ch) goto fail;
+    }
+
+    vgmstream->loop_start_sample = read_32bitLE(0,streamFile);
+    vgmstream->loop_end_sample = read_32bitLE(4,streamFile);
+    vgmstream->meta_type = meta_RIFF_WAVE_POS;
+
+    return vgmstream;
+
+    /* clean up anything we may have opened */
+fail:
+    if (streamFileWAV) close_streamfile(streamFileWAV);
+    if (vgmstream) close_vgmstream(vgmstream);
+    return NULL;
+}