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Diffstat (limited to 'lib/vgmstream/src/meta/sdt.c')
-rw-r--r--lib/vgmstream/src/meta/sdt.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/lib/vgmstream/src/meta/sdt.c b/lib/vgmstream/src/meta/sdt.c
new file mode 100644
index 0000000000..1959ef8a86
--- /dev/null
+++ b/lib/vgmstream/src/meta/sdt.c
@@ -0,0 +1,80 @@
+#include "meta.h"
+#include "../util.h"
+
+/* SDT (Baldur's Gate - Dark Alliance) */
+VGMSTREAM * init_vgmstream_sdt(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("sdt",filename_extension(filename))) goto fail;
+
+#if 0
+ /* check header */
+ if (read_32bitBE(0x00,streamFile) != 0x53565300) /* "SVS\0" */
+ goto fail;
+#endif
+
+ loop_flag = (read_32bitBE(0x04,streamFile)!=0);
+ channel_count = 2;
+
+ /* build the VGMSTREAM */
+ vgmstream = allocate_vgmstream(channel_count,loop_flag);
+ if (!vgmstream) goto fail;
+
+ /* fill in the vital statistics */
+ start_offset = 0xA0;
+ vgmstream->channels = read_32bitBE(0x00,streamFile);
+ vgmstream->sample_rate = read_32bitBE(0x08,streamFile);
+ vgmstream->coding_type = coding_NGC_DSP;
+ vgmstream->num_samples = read_32bitBE(0x14,streamFile)/8*14/channel_count;
+ if (loop_flag) {
+ vgmstream->loop_start_sample = 0; /* (read_32bitLE(0x08,streamFile)-1)*28; */
+ vgmstream->loop_end_sample = read_32bitBE(0x14,streamFile)/8*14/channel_count;
+ }
+
+ vgmstream->layout_type = layout_interleave;
+ vgmstream->interleave_block_size = 0x8000;
+ vgmstream->meta_type = meta_SDT;
+
+
+if (vgmstream->coding_type == coding_NGC_DSP) {
+ int i;
+ for (i=0;i<16;i++) {
+ vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x3C+i*2,streamFile);
+ }
+ if (vgmstream->channels) {
+ for (i=0;i<16;i++) {
+ vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x6A+i*2,streamFile);
+ }
+ }
+}
+
+ /* 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;
+}