audio merge (malc)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1125 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 39 insertions, 0 deletions

diff --git a/audio/mixeng.h b/audio/mixeng.h
new file mode 100644
index 0000000000..699435ea25
--- /dev/null
+++ b/audio/mixeng.h
@@ -0,0 +1,39 @@
+/*
+ * QEMU Mixing engine header
+ * 
+ * Copyright (c) 2004 Vassili Karpov (malc)
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef QEMU_MIXENG_H
+#define QEMU_MIXENG_H
+
+typedef void (t_sample) (void *dst, const void *src, int samples);
+typedef void (f_sample) (void *dst, const void *src, int samples);
+typedef struct { int64_t l; int64_t r; } st_sample_t;
+
+extern t_sample *mixeng_conv[2][2][2];
+extern f_sample *mixeng_clip[2][2][2];
+
+void *st_rate_start (int inrate, int outrate);
+void st_rate_flow (void *opaque, st_sample_t *ibuf, st_sample_t *obuf,
+                   int *isamp, int *osamp);
+void st_rate_stop (void *opaque);
+
+#endif  /* mixeng.h */