ppapi: implement PPB_AudioEncoder

ppapi/tests/test_audio_encoder.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PPAPI_TESTS_TEST_AUDIO_ENCODER_H_
+#define PPAPI_TESTS_TEST_AUDIO_ENCODER_H_
+
+#include <string>
+
+#include "ppapi/c/pp_stdint.h"
+#include "ppapi/c/ppb_audio_encoder.h"
+#include "ppapi/tests/test_case.h"
+
+class TestAudioEncoder : public TestCase {
+ public:
+  explicit TestAudioEncoder(TestingInstance* instance) : TestCase(instance) {}
+
+ private:
+  // TestCase implementation.
+  virtual bool Init();
+  virtual void RunTests(const std::string& filter);
+
+  std::string TestAvailableCodecs();
+  std::string TestIncorrectParametersFails();
+  std::string TestInitializeTwiceFails();
+  std::string TestInitializeOpusMono();
+  std::string TestInitializeOpusStereo();
+
+  std::string TestInitializeCodec(uint32_t channels,
+                                  PP_AudioBuffer_SampleRate input_sample_rate,
+                                  PP_AudioBuffer_SampleSize input_sample_size,
+                                  PP_AudioProfile output_profile);
+
+  // Used by the tests that access the C API directly.
+  const PPB_AudioEncoder_0_1* audio_encoder_interface_;
+};
+
+#endif  // PPAPI_TESTS_TEST_AUDIO_ENCODER_H_