Implementation of new AecDump interface.

webrtc/modules/audio_processing/aec_dump/write_to_file_task.h

+/*
+ *  Copyright (c) 2017 The WebRTC 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 WEBRTC_MODULES_AUDIO_PROCESSING_AEC_DUMP_WRITE_TO_FILE_TASK_H_
+#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC_DUMP_WRITE_TO_FILE_TASK_H_
+
+#include <memory>
+#include <string>
+#include <utility>
+
+#include "webrtc/base/checks.h"
+#include "webrtc/base/event.h"
+#include "webrtc/base/ignore_wundef.h"
+#include "webrtc/base/platform_file.h"
+#include "webrtc/base/protobuf_utils.h"
+#include "webrtc/base/task_queue.h"
+#include "webrtc/system_wrappers/include/file_wrapper.h"
+
+// Files generated at build-time by the protobuf compiler.
+RTC_PUSH_IGNORING_WUNDEF()
+#ifdef WEBRTC_ANDROID_PLATFORM_BUILD
+#include "external/webrtc/webrtc/modules/audio_processing/debug.pb.h"
+#else
+#include "webrtc/modules/audio_processing/debug.pb.h"
+#endif
+RTC_POP_IGNORING_WUNDEF()
+
+namespace webrtc {
+
+class WriteToFileTask : public rtc::QueuedTask {
+ public:
+  WriteToFileTask(webrtc::FileWrapper* debug_file,
+                  int64_t* num_bytes_left_for_log);
+  ~WriteToFileTask() override;
+
+  audioproc::Event* GetEvent();
+
+ private:
+  bool IsRoomForNextEvent(size_t event_byte_size) const;
+
+  void UpdateBytesLeft(size_t event_byte_size);
+
+  bool Run() override;
+
+  webrtc::FileWrapper* debug_file_;
+  audioproc::Event event_;
+  int64_t* num_bytes_left_for_log_;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_DUMP_WRITE_TO_FILE_TASK_H_