| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "common/vsoc/lib/audio_data_region_view.h" |
| #include "common/vsoc/lib/circqueue_impl.h" |
| #include "common/vsoc/lib/vsoc_audio_message.h" |
| #include "host/libs/config/host_config.h" |
| |
| #include "WaveWriter.h" |
| |
| #include <android-base/logging.h> |
| #include <gflags/gflags.h> |
| #include <iostream> |
| #include <signal.h> |
| |
| using AudioDataRegionView = vsoc::audio_data::AudioDataRegionView; |
| using WaveWriter = android::WaveWriter; |
| |
| DEFINE_string(output_file, "", "Location of the output audio file."); |
| DEFINE_bool(verbose, false, "Enable verbose logging."); |
| |
| volatile bool gDone = false; |
| static void SigIntHandler(int /* sig */) { |
| gDone = true; |
| } |
| |
| int main(int argc, char **argv) { |
| ::android::base::InitLogging(argv, android::base::StderrLogger); |
| google::ParseCommandLineFlags(&argc, &argv, true); |
| |
| LOG_IF(FATAL, FLAGS_output_file.empty()) |
| << "--output_file must be specified."; |
| |
| AudioDataRegionView *audio_data_rv = |
| AudioDataRegionView::GetInstance(vsoc::GetDomain().c_str()); |
| |
| auto worker = audio_data_rv->StartWorker(); |
| |
| std::unique_ptr<WaveWriter> writer; |
| int64_t frameCount = 0ll; |
| |
| // The configuration the writer is setup for. |
| gce_audio_message writer_hdr; |
| |
| uint8_t buffer[4096]; |
| |
| gDone = false; |
| |
| struct sigaction act; |
| sigemptyset(&act.sa_mask); |
| act.sa_flags = 0; |
| act.sa_handler = SigIntHandler; |
| |
| struct sigaction oact; |
| sigaction(SIGINT, &act, &oact); |
| |
| while (!gDone) { |
| intptr_t res = audio_data_rv->data()->audio_queue.Read( |
| audio_data_rv, |
| reinterpret_cast<char *>(buffer), |
| sizeof(buffer)); |
| |
| if (res < 0) { |
| std::cerr << "CircularPacketQueue::Read returned " << res << std::endl; |
| continue; |
| } |
| |
| CHECK_GE(static_cast<size_t>(res), sizeof(gce_audio_message)); |
| |
| gce_audio_message hdr; |
| std::memcpy(&hdr, buffer, sizeof(gce_audio_message)); |
| |
| if (hdr.message_type != gce_audio_message::DATA_SAMPLES) { |
| continue; |
| } |
| |
| const size_t payloadSize = res - sizeof(gce_audio_message); |
| |
| if (FLAGS_verbose) { |
| std::cerr |
| << "stream " |
| << hdr.stream_number |
| << ", frame " |
| << hdr.frame_num |
| << ", rate " |
| << hdr.frame_rate |
| << ", channel_mask " |
| << hdr.channel_mask |
| << ", format " |
| << hdr.format |
| << ", payload_size " |
| << payloadSize |
| << std::endl; |
| } |
| |
| if (!writer) { |
| const size_t numChannels = hdr.frame_size / sizeof(int16_t); |
| |
| writer.reset( |
| new WaveWriter(FLAGS_output_file.c_str(), numChannels, hdr.frame_rate)); |
| |
| frameCount = hdr.frame_num; |
| writer_hdr = hdr; |
| } else if (writer_hdr.frame_size != hdr.frame_size |
| || writer_hdr.frame_rate != hdr.frame_rate |
| || writer_hdr.stream_number != hdr.stream_number) { |
| std::cerr << "Audio configuration changed. Aborting." << std::endl; |
| break; |
| } |
| |
| int64_t framesMissing = hdr.frame_num - frameCount; |
| if (framesMissing > 0) { |
| // TODO(andih): Insert silence here, if necessary. |
| } |
| |
| frameCount = hdr.frame_num; |
| |
| writer->Append(&buffer[sizeof(gce_audio_message)], payloadSize); |
| } |
| |
| std::cout << "DONE" << std::endl; |
| |
| return 0; |
| } |
| |