1 files changed, 69 insertions, 0 deletions
diff --git a/lib/vgmstream/src/meta/gca.c b/lib/vgmstream/src/meta/gca.c
new file mode 100644
index 0000000000..f6ff5bbdf0
--- /dev/null
+++ b/lib/vgmstream/src/meta/gca.c
@@ -0,0 +1,69 @@
+#include "meta.h"
+#include "../util.h"
+
+/* GCA (from Metal Slug Anthology [Wii]) */
+VGMSTREAM * init_vgmstream_gca(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    char filename[260];
+    off_t start_offset;
+    int loop_flag = 0;
+	int channel_count = 1;
+
+    /* check extension, case insensitive */
+    streamFile->get_name(streamFile,filename,sizeof(filename));
+    if (strcasecmp("gca",filename_extension(filename))) goto fail;
+
+    /* check header */
+    if (read_32bitBE(0x00,streamFile) != 0x47434131) /* "GCA1" */
+        goto fail;
+    
+	/* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* fill in the vital statistics */
+    start_offset = 0x40;
+	vgmstream->channels = channel_count;
+    vgmstream->sample_rate = read_32bitBE(0x2A,streamFile);
+    vgmstream->coding_type = coding_NGC_DSP;
+    vgmstream->num_samples = read_32bitBE(0x26,streamFile)*7/8;
+    if (loop_flag) {
+        vgmstream->loop_start_sample = 0;
+        vgmstream->loop_end_sample = read_32bitBE(0x26,streamFile)*7/8;
+    }
+
+	/* We have no interleave, so we have no layout */
+    vgmstream->layout_type = layout_none;
+    vgmstream->meta_type = meta_GCA;
+
+    /* 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;
+
+        }
+    }
+    
+	/*Retrieving the coef table */
+	{
+        int i;
+        for (i=0;i<16;i++) {
+            vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x04+i*2,streamFile);
+        }
+    }
+
+    return vgmstream;
+
+    /* clean up anything we may have opened */
+fail:
+    if (vgmstream) close_vgmstream(vgmstream);
+    return NULL;
+}