summaryrefslogtreecommitdiffstats
path: root/media/libvpx/libvpx/vp9/common/vp9_quant_common.h
diff options
context:
space:
mode:
Diffstat (limited to 'media/libvpx/libvpx/vp9/common/vp9_quant_common.h')
-rw-r--r--media/libvpx/libvpx/vp9/common/vp9_quant_common.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/vp9_quant_common.h b/media/libvpx/libvpx/vp9/common/vp9_quant_common.h
new file mode 100644
index 0000000000..ec8b9f4c6a
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/common/vp9_quant_common.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VP9_COMMON_VP9_QUANT_COMMON_H_
+#define VPX_VP9_COMMON_VP9_QUANT_COMMON_H_
+
+#include "vpx/vpx_codec.h"
+#include "vp9/common/vp9_seg_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MINQ 0
+#define MAXQ 255
+#define QINDEX_RANGE (MAXQ - MINQ + 1)
+#define QINDEX_BITS 8
+
+int16_t vp9_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
+int16_t vp9_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
+
+int vp9_get_qindex(const struct segmentation *seg, int segment_id,
+ int base_qindex);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VPX_VP9_COMMON_VP9_QUANT_COMMON_H_