diff options
Diffstat (limited to 'android/WALT/app/src/main/java/org/chromium/latency/walt/AudioFragment.java')
-rw-r--r-- | android/WALT/app/src/main/java/org/chromium/latency/walt/AudioFragment.java | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/android/WALT/app/src/main/java/org/chromium/latency/walt/AudioFragment.java b/android/WALT/app/src/main/java/org/chromium/latency/walt/AudioFragment.java new file mode 100644 index 0000000..65452ff --- /dev/null +++ b/android/WALT/app/src/main/java/org/chromium/latency/walt/AudioFragment.java @@ -0,0 +1,310 @@ +/* + * Copyright (C) 2015 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. + */ + +package org.chromium.latency.walt; + +import android.Manifest; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.content.pm.PackageManager; +import android.graphics.Color; +import android.media.AudioManager; +import android.os.Bundle; +import android.support.v4.app.Fragment; +import android.support.v4.content.ContextCompat; +import android.text.method.ScrollingMovementMethod; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ArrayAdapter; +import android.widget.Spinner; +import android.widget.TextView; + +import com.github.mikephil.charting.charts.LineChart; +import com.github.mikephil.charting.components.Description; +import com.github.mikephil.charting.components.LimitLine; +import com.github.mikephil.charting.data.Entry; +import com.github.mikephil.charting.data.LineData; +import com.github.mikephil.charting.data.LineDataSet; + +import java.util.ArrayList; +import java.util.List; +import java.util.Locale; + +import static org.chromium.latency.walt.Utils.getIntPreference; + +/** + * A simple {@link Fragment} subclass. + */ +public class AudioFragment extends Fragment implements View.OnClickListener, + BaseTest.TestStateListener { + + enum AudioTestType { + CONTINUOUS_PLAYBACK, + CONTINUOUS_RECORDING, + COLD_PLAYBACK, + COLD_RECORDING, + DISPLAY_WAVEFORM + } + + private SimpleLogger logger; + private TextView textView; + private AudioTest audioTest; + private View startButton; + private View stopButton; + private Spinner modeSpinner; + private LineChart chart; + private HistogramChart latencyChart; + private View chartLayout; + + private static final int PERMISSION_REQUEST_RECORD_AUDIO = 1; + + public AudioFragment() { + // Required empty public constructor + } + + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, + Bundle savedInstanceState) { + + logger = SimpleLogger.getInstance(getContext()); + + audioTest = new AudioTest(getActivity()); + audioTest.setTestStateListener(this); + + // Inflate the layout for this fragment + View view = inflater.inflate(R.layout.fragment_audio, container, false); + textView = (TextView) view.findViewById(R.id.txt_box_audio); + textView.setMovementMethod(new ScrollingMovementMethod()); + startButton = view.findViewById(R.id.button_start_audio); + stopButton = view.findViewById(R.id.button_stop_audio); + chartLayout = view.findViewById(R.id.chart_layout); + chart = (LineChart) view.findViewById(R.id.chart); + latencyChart = (HistogramChart) view.findViewById(R.id.latency_chart); + + view.findViewById(R.id.button_close_chart).setOnClickListener(this); + enableButtons(); + + // Configure the audio mode spinner + modeSpinner = (Spinner) view.findViewById(R.id.spinner_audio_mode); + ArrayAdapter<CharSequence> modeAdapter = ArrayAdapter.createFromResource(getContext(), + R.array.audio_mode_array, android.R.layout.simple_spinner_item); + modeAdapter.setDropDownViewResource(R.layout.support_simple_spinner_dropdown_item); + modeSpinner.setAdapter(modeAdapter); + + return view; + } + + @Override + public void onResume() { + super.onResume(); + + // Register this fragment class as the listener for some button clicks + startButton.setOnClickListener(this); + stopButton.setOnClickListener(this); + + textView.setText(logger.getLogText()); + logger.registerReceiver(logReceiver); + } + + @Override + public void onPause() { + logger.unregisterReceiver(logReceiver); + super.onPause(); + } + + @Override + public void onDestroy() { + super.onDestroy(); + audioTest.teardown(); + } + + @Override + public void onClick(View v) { + switch (v.getId()) { + case R.id.button_start_audio: + chartLayout.setVisibility(View.GONE); + disableButtons(); + AudioTestType testType = getSelectedTestType(); + switch (testType) { + case CONTINUOUS_PLAYBACK: + case CONTINUOUS_RECORDING: + case DISPLAY_WAVEFORM: + audioTest.setAudioMode(AudioTest.AudioMode.CONTINUOUS); + audioTest.setPeriod(AudioTest.CONTINUOUS_TEST_PERIOD); + break; + case COLD_PLAYBACK: + case COLD_RECORDING: + audioTest.setAudioMode(AudioTest.AudioMode.CONTINUOUS); + audioTest.setPeriod(AudioTest.COLD_TEST_PERIOD); + break; + } + if (testType == AudioTestType.DISPLAY_WAVEFORM) { + // Only need to record 1 beep to display wave + audioTest.setRecordingRepetitions(1); + } else { + audioTest.setRecordingRepetitions( + getIntPreference(getContext(), R.string.preference_audio_in_reps, 5)); + } + if (testType == AudioTestType.CONTINUOUS_PLAYBACK || + testType == AudioTestType.COLD_PLAYBACK || + testType == AudioTestType.CONTINUOUS_RECORDING || + testType == AudioTestType.COLD_RECORDING) { + latencyChart.setVisibility(View.VISIBLE); + latencyChart.clearData(); + latencyChart.setLegendEnabled(false); + final String description = + getResources().getStringArray(R.array.audio_mode_array)[ + modeSpinner.getSelectedItemPosition()] + " [ms]"; + latencyChart.setDescription(description); + } + switch (testType) { + case CONTINUOUS_RECORDING: + case COLD_RECORDING: + case DISPLAY_WAVEFORM: + attemptRecordingTest(); + break; + case CONTINUOUS_PLAYBACK: + case COLD_PLAYBACK: + // Set media volume to max + AudioManager am = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); + am.setStreamVolume(AudioManager.STREAM_MUSIC, am.getStreamMaxVolume(AudioManager.STREAM_MUSIC), 0); + audioTest.beginPlaybackMeasurement(); + break; + } + break; + case R.id.button_stop_audio: + audioTest.stopTest(); + break; + case R.id.button_close_chart: + chartLayout.setVisibility(View.GONE); + break; + } + } + + private AudioTestType getSelectedTestType() { + return AudioTestType.values()[modeSpinner.getSelectedItemPosition()]; + } + + private BroadcastReceiver logReceiver = new BroadcastReceiver() { + @Override + public void onReceive(Context context, Intent intent) { + String msg = intent.getStringExtra("message"); + textView.append(msg + "\n"); + } + }; + + private void attemptRecordingTest() { + // first see if we already have permission to record audio + int currentPermission = ContextCompat.checkSelfPermission(this.getContext(), + Manifest.permission.RECORD_AUDIO); + if (currentPermission == PackageManager.PERMISSION_GRANTED) { + disableButtons(); + audioTest.beginRecordingMeasurement(); + } else { + requestPermissions(new String[]{Manifest.permission.RECORD_AUDIO}, + PERMISSION_REQUEST_RECORD_AUDIO); + } + } + + @Override + public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { + switch (requestCode) { + case PERMISSION_REQUEST_RECORD_AUDIO: + if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { + disableButtons(); + audioTest.beginRecordingMeasurement(); + } else { + logger.log("Could not get permission to record audio"); + } + return; + } + } + + @Override + public void onTestStopped() { + if (getSelectedTestType() == AudioTestType.DISPLAY_WAVEFORM) { + drawWaveformChart(); + } else { + if (!audioTest.deltas_mic.isEmpty()) { + latencyChart.setLegendEnabled(true); + latencyChart.setLabel(String.format(Locale.US, "Median=%.1f ms", Utils.median(audioTest.deltas_mic))); + } else if (!audioTest.deltas_queue2wire.isEmpty()) { + latencyChart.setLegendEnabled(true); + latencyChart.setLabel(String.format(Locale.US, "Median=%.1f ms", Utils.median(audioTest.deltas_queue2wire))); + } + } + LogUploader.uploadIfAutoEnabled(getContext()); + enableButtons(); + } + + @Override + public void onTestStoppedWithError() { + enableButtons(); + latencyChart.setVisibility(View.GONE); + } + + @Override + public void onTestPartialResult(double value) { + latencyChart.addEntry(value); + } + + private void drawWaveformChart() { + final short[] wave = AudioTest.getRecordedWave(); + List<Entry> entries = new ArrayList<>(); + int frameRate = audioTest.getOptimalFrameRate(); + for (int i = 0; i < wave.length; i++) { + float timeStamp = (float) i / frameRate * 1000f; + entries.add(new Entry(timeStamp, (float) wave[i])); + } + LineDataSet dataSet = new LineDataSet(entries, "Waveform"); + dataSet.setColor(Color.BLACK); + dataSet.setValueTextColor(Color.BLACK); + dataSet.setCircleColor(ContextCompat.getColor(getContext(), R.color.DarkGreen)); + dataSet.setCircleRadius(1.5f); + dataSet.setCircleColorHole(Color.DKGRAY); + LineData lineData = new LineData(dataSet); + chart.setData(lineData); + + LimitLine line = new LimitLine(audioTest.getThreshold(), "Threshold"); + line.setLineColor(Color.RED); + line.setLabelPosition(LimitLine.LimitLabelPosition.LEFT_TOP); + line.setLineWidth(2f); + line.setTextColor(Color.DKGRAY); + line.setTextSize(10f); + chart.getAxisLeft().addLimitLine(line); + + final Description desc = new Description(); + desc.setText("Wave [digital level -32768 to +32767] vs. Time [ms]"); + desc.setTextSize(12f); + chart.setDescription(desc); + chart.getLegend().setEnabled(false); + chart.invalidate(); + chartLayout.setVisibility(View.VISIBLE); + } + + private void disableButtons() { + startButton.setEnabled(false); + stopButton.setEnabled(true); + } + + private void enableButtons() { + startButton.setEnabled(true); + stopButton.setEnabled(false); + } +} |