| /* |
| * 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. |
| */ |
| |
| #include "modules/audio_processing/aec_dump/write_to_file_task.h" |
| |
| #include "rtc_base/protobuf_utils.h" |
| |
| namespace webrtc { |
| |
| WriteToFileTask::WriteToFileTask(webrtc::FileWrapper* debug_file, |
| int64_t* num_bytes_left_for_log) |
| : debug_file_(debug_file), |
| num_bytes_left_for_log_(num_bytes_left_for_log) {} |
| |
| WriteToFileTask::~WriteToFileTask() = default; |
| |
| audioproc::Event* WriteToFileTask::GetEvent() { |
| return &event_; |
| } |
| |
| bool WriteToFileTask::IsRoomForNextEvent(size_t event_byte_size) const { |
| int64_t next_message_size = event_byte_size + sizeof(int32_t); |
| return (*num_bytes_left_for_log_ < 0) || |
| (*num_bytes_left_for_log_ >= next_message_size); |
| } |
| |
| void WriteToFileTask::UpdateBytesLeft(size_t event_byte_size) { |
| RTC_DCHECK(IsRoomForNextEvent(event_byte_size)); |
| if (*num_bytes_left_for_log_ >= 0) { |
| *num_bytes_left_for_log_ -= (sizeof(int32_t) + event_byte_size); |
| } |
| } |
| |
| bool WriteToFileTask::Run() { |
| ProtoString event_string; |
| event_.SerializeToString(&event_string); |
| |
| const size_t event_byte_size = event_.ByteSizeLong(); |
| |
| if (!IsRoomForNextEvent(event_byte_size)) { |
| // Ensure that no further events are written, even if they're smaller than |
| // the current event. |
| *num_bytes_left_for_log_ = 0; |
| return true; |
| } |
| |
| UpdateBytesLeft(event_byte_size); |
| |
| // Write message preceded by its size. |
| if (!debug_file_->Write(&event_byte_size, sizeof(int32_t))) { |
| RTC_NOTREACHED(); |
| } |
| if (!debug_file_->Write(event_string.data(), event_string.length())) { |
| RTC_NOTREACHED(); |
| } |
| return true; // Delete task from queue at once. |
| } |
| |
| } // namespace webrtc |