ppapi: define PPB_AudioEncoder API

ppapi/thunk/ppb_audio_encoder_api.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_THUNK_AUDIO_ENCODER_API_H_
+#define PPAPI_THUNK_AUDIO_ENCODER_API_H_
+
+#include "ppapi/c/ppb_audio_encoder.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_AudioEncoder_API {
+ public:
+  virtual ~PPB_AudioEncoder_API() {}
+
+  virtual int32_t GetSupportedProfiles(
+      const PP_ArrayOutput& output,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t Initialize(
+      uint32_t channels,
+      PP_AudioBuffer_SampleRate input_sample_rate,
+      PP_AudioBuffer_SampleSize input_sample_size,
+      PP_AudioProfile output_profile,
+      uint32_t initial_bitrate,
+      PP_HardwareAcceleration acceleration,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t GetNumberOfSamples() = 0;
+  virtual int32_t GetBuffer(PP_Resource* audio_buffer,
+                            const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t Encode(PP_Resource audio_buffer,
+                         const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t GetBitstreamBuffer(
+      PP_AudioBitstreamBuffer* bitstream_buffer,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual void RecycleBitstreamBuffer(
+      const PP_AudioBitstreamBuffer* bitstream_buffer) = 0;
+  virtual void RequestBitrateChange(uint32_t bitrate) = 0;
+  virtual void Close() = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_AUDIO_ENCODER_API_H_