libvpx: Pull from upstream

source/libvpx/test/video_source.h

 /*
  *  Copyright (c) 2012 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 TEST_VIDEO_SOURCE_H_
@@ skipping 32 matching lines @@
 
 // Undefining stringification macros because they are not used elsewhere
 #undef TO_STRING
 #undef STRINGIFY
 
 static FILE *OpenTestDataFile(const std::string& file_name) {
   const std::string path_to_source = GetDataPath() + "/" + file_name;
   return fopen(path_to_source.c_str(), "rb");
 }
 
+static FILE *OpenTestOutFile(const std::string& file_name) {
+  const std::string path_to_source = GetDataPath() + "/" + file_name;
+  return fopen(path_to_source.c_str(), "wb");
+}
+
+static FILE *OpenTempOutFile() {
+  return tmpfile();
+}
+
 // Abstract base class for test video sources, which provide a stream of
 // vpx_image_t images with associated timestamps and duration.
 class VideoSource {
  public:
   virtual ~VideoSource() {}
 
   // Prepare the stream for reading, rewind/open as necessary.
   virtual void Begin() = 0;
 
   // Advance the cursor to the next frame
@@ skipping 122 matching lines @@
   virtual const uint8_t *cxdata() const = 0;
 
   virtual size_t frame_size() const = 0;
 
   virtual unsigned int frame_number() const = 0;
 };
 
 }  // namespace libvpx_test
 
 #endif  // TEST_VIDEO_SOURCE_H_