From 7aefd4f6edf313f8b4db26d5e0be250eb8065649 Mon Sep 17 00:00:00 2001
From: manakoAT <manakoAT@51a99a44-fe44-0410-b1ba-c3e57ba2b86b>
Date: Tue, 18 Nov 2008 16:32:04 +0000
Subject: [PATCH] strm updated (Final Fantasy Tactis A2)

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@479 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
---
 src/meta/meta.h     |  2 ++
 src/meta/nds_strm.c | 66 +++++++++++++++++++++++++++++++++++++++++++++
 src/vgmstream.c     |  4 +++
 src/vgmstream.h     |  1 +
 4 files changed, 73 insertions(+)

diff --git a/src/meta/meta.h b/src/meta/meta.h
index e0919632..734e01a6 100644
--- a/src/meta/meta.h
+++ b/src/meta/meta.h
@@ -277,4 +277,6 @@ VGMSTREAM * init_vgmstream_waa_wac_wad_wam(STREAMFILE * streamFile);
 
 VGMSTREAM * init_vgmstream_ps2_seg(STREAMFILE * streamFile);
 
+VGMSTREAM * init_vgmstream_nds_strm_ffta2(STREAMFILE * streamFile);
+
 #endif
diff --git a/src/meta/nds_strm.c b/src/meta/nds_strm.c
index 15a68eb2..cfc60ea3 100644
--- a/src/meta/nds_strm.c
+++ b/src/meta/nds_strm.c
@@ -99,3 +99,69 @@ fail:
     if (vgmstream) close_vgmstream(vgmstream);
     return NULL;
 }
+
+
+/* STRM (from Final Fantasy Tactics A2 - Fuuketsu no Grimoire) */
+VGMSTREAM * init_vgmstream_nds_strm_ffta2(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    char filename[260];
+    off_t start_offset;
+
+    int loop_flag;
+	int channel_count;
+
+    /* check extension, case insensitive */
+    streamFile->get_name(streamFile,filename,sizeof(filename));
+    if (strcasecmp("strm",filename_extension(filename))) goto fail;
+
+    /* check header */
+    if (read_32bitBE(0x00,streamFile) != 0x52494646 ||	/* RIFF */
+		read_32bitBE(0x08,streamFile) != 0x494D4120)	/* "IMA " */
+        goto fail;
+
+	loop_flag = (read_32bitLE(0x20,streamFile) !=0);
+	channel_count = read_32bitLE(0x24,streamFile);
+    
+	/* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* fill in the vital statistics */
+    start_offset = 0x2C;
+	vgmstream->channels = channel_count;
+    vgmstream->sample_rate = read_32bitLE(0x0C,streamFile);
+    vgmstream->coding_type = coding_INT_IMA;
+    vgmstream->num_samples = (read_32bitLE(0x04,streamFile)-start_offset);
+    if (loop_flag) {
+        vgmstream->loop_start_sample = read_32bitLE(0x20,streamFile);
+        vgmstream->loop_end_sample = read_32bitLE(0x28,streamFile);
+    }
+
+    vgmstream->interleave_block_size = 0x80;
+    vgmstream->interleave_smallblock_size = (vgmstream->loop_end_sample)%((vgmstream->loop_end_sample)/vgmstream->interleave_block_size);
+    vgmstream->layout_type = layout_interleave_shortblock;
+	vgmstream->meta_type = meta_NDS_STRM_FFTA2;
+
+    /* 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;
+}
diff --git a/src/vgmstream.c b/src/vgmstream.c
index 68930dd9..c69e070a 100644
--- a/src/vgmstream.c
+++ b/src/vgmstream.c
@@ -155,6 +155,7 @@ VGMSTREAM * (*init_vgmstream_fcns[])(STREAMFILE *streamFile) = {
 	init_vgmstream_ps2_ass,
 	init_vgmstream_waa_wac_wad_wam,
 	init_vgmstream_ps2_seg,
+	init_vgmstream_nds_strm_ffta2,
 };
 
 #define INIT_VGMSTREAM_FCNS (sizeof(init_vgmstream_fcns)/sizeof(init_vgmstream_fcns[0]))
@@ -1807,6 +1808,9 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
             break;
 		case meta_PS2_SEG:
             snprintf(temp,TEMPSIZE,"SEG (PS2) Header");
+            break;
+		case meta_NDS_STRM_FFTA2:
+            snprintf(temp,TEMPSIZE,"Final Fantasy Tactics A2 RIFF Header");
             break;
         default:
             snprintf(temp,TEMPSIZE,"THEY SHOULD HAVE SENT A POET");
diff --git a/src/vgmstream.h b/src/vgmstream.h
index 44f40796..aa78811e 100644
--- a/src/vgmstream.h
+++ b/src/vgmstream.h
@@ -264,6 +264,7 @@ typedef enum {
 
 	meta_PS2_ASS,			/* ASS */
 	meta_PS2_SEG,			/* Eragon */
+	meta_NDS_STRM_FFTA2,	/* FFTA2 */
 
 	meta_XBOX_WAVM,			/* XBOX WAVM File */
 	meta_XBOX_RIFF,			/* XBOX RIFF/WAVE File */