1 files changed, 41 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/vp9_subexp.h b/media/libvpx/libvpx/vp9/encoder/vp9_subexp.h
new file mode 100644
index 0000000000..2d016d24c5
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/encoder/vp9_subexp.h
@@ -0,0 +1,41 @@
+/*
+ *  Copyright (c) 2013 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_ENCODER_VP9_SUBEXP_H_
+#define VPX_VP9_ENCODER_VP9_SUBEXP_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vpx_dsp/prob.h"
+
+struct vpx_writer;
+
+void vp9_write_prob_diff_update(struct vpx_writer *w, vpx_prob newp,
+                                vpx_prob oldp);
+
+void vp9_cond_prob_diff_update(struct vpx_writer *w, vpx_prob *oldp,
+                               const unsigned int ct[2]);
+
+int64_t vp9_prob_diff_update_savings_search(const unsigned int *ct,
+                                            vpx_prob oldp, vpx_prob *bestp,
+                                            vpx_prob upd);
+
+int64_t vp9_prob_diff_update_savings_search_model(const unsigned int *ct,
+                                                  const vpx_prob oldp,
+                                                  vpx_prob *bestp, vpx_prob upd,
+                                                  int stepsize);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VP9_ENCODER_VP9_SUBEXP_H_