COmmit missing stuffHEADmaster

git-svn-id: file:///home/lennart/svn/public/vfax/trunk@4 541b366f-4dd8-0310-ae39-b2612fd50714

1 files changed, 33 insertions, 0 deletions

diff --git a/qbufsplit.c b/qbufsplit.c
new file mode 100644
index 0000000..e03d1a3
--- /dev/null
+++ b/qbufsplit.c
@@ -0,0 +1,33 @@
+#include <assert.h>
+
+#include "qbufsplit.h"
+
+void qbuf_float_split(struct qbuf* sq, struct qbuf* dq1, struct qbuf*dq2) {
+    float *sp, *dp1, *dp2;
+    size_t sl, dl1, dl2;
+    size_t c = 0;
+    
+    assert(sq && dq1 && dq2);
+
+    sp = qbuf_pull(sq, &sl);
+    dp1 = qbuf_push(dq1, &dl1);
+    dp2 = qbuf_push(dq2, &dl2);
+
+    assert(sp && dp1 && dp2);
+
+    while (sl >= 2*sizeof(float) && dl1 >= sizeof(float) && dl2 >= sizeof(float)) {
+
+        *(dp1++) = *(sp++);
+        *(dp2++) = *(sp++);
+
+        sl -= 2*sizeof(float);
+        dl1 -= sizeof(float);
+        dl2 -= sizeof(float);
+
+        c += sizeof(float);
+    }
+    
+    qbuf_pull_invalidate(sq, c*2);
+    qbuf_push_validate(dq1, c);
+    qbuf_push_validate(dq2, c);
+}