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Move utility methods to DemoUtil from TrackSelectionHelper

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=151706338
This commit is contained in:
eguven 2017-03-30 08:44:19 -07:00 committed by Oliver Woodman
parent cc1a8f4034
commit a473e7300c
2 changed files with 87 additions and 58 deletions
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86
demo/src/main/java/com/google/android/exoplayer2/demo/DemoUtil.java Normal file
View file

@ -0,0 +1,86 @@
/*
* Copyright (C) 2017 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 com.google.android.exoplayer2.demo;
import android.text.TextUtils;
import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.util.MimeTypes;
import java.util.Locale;
/**
* Utility methods for demo application.
*/
/*package*/ final class DemoUtil {
/**
* Builds a track name for display.
*
* @param format {@link Format} of the track.
* @return a generated name specific to the track.
*/
public static String buildTrackName(Format format) {
String trackName;
if (MimeTypes.isVideo(format.sampleMimeType)) {
trackName = joinWithSeparator(joinWithSeparator(joinWithSeparator(
buildResolutionString(format), buildBitrateString(format)), buildTrackIdString(format)),
buildSampleMimeTypeString(format));
} else if (MimeTypes.isAudio(format.sampleMimeType)) {
trackName = joinWithSeparator(joinWithSeparator(joinWithSeparator(joinWithSeparator(
buildLanguageString(format), buildAudioPropertyString(format)),
buildBitrateString(format)), buildTrackIdString(format)),
buildSampleMimeTypeString(format));
} else {
trackName = joinWithSeparator(joinWithSeparator(joinWithSeparator(buildLanguageString(format),
buildBitrateString(format)), buildTrackIdString(format)),
buildSampleMimeTypeString(format));
}
return trackName.length() == 0 ? "unknown" : trackName;
}
private static String buildResolutionString(Format format) {
return format.width == Format.NO_VALUE || format.height == Format.NO_VALUE
? "" : format.width + "x" + format.height;
}
private static String buildAudioPropertyString(Format format) {
return format.channelCount == Format.NO_VALUE || format.sampleRate == Format.NO_VALUE
? "" : format.channelCount + "ch, " + format.sampleRate + "Hz";
}
private static String buildLanguageString(Format format) {
return TextUtils.isEmpty(format.language) || "und".equals(format.language) ? ""
: format.language;
}
private static String buildBitrateString(Format format) {
return format.bitrate == Format.NO_VALUE ? ""
: String.format(Locale.US, "%.2fMbit", format.bitrate / 1000000f);
}
private static String joinWithSeparator(String first, String second) {
return first.length() == 0 ? second : (second.length() == 0 ? first : first + ", " + second);
}
private static String buildTrackIdString(Format format) {
return format.id == null ? "" : ("id:" + format.id);
}
private static String buildSampleMimeTypeString(Format format) {
return format.sampleMimeType == null ? "" : format.sampleMimeType;
}
private DemoUtil() {}
}

59
demo/src/main/java/com/google/android/exoplayer2/demo/TrackSelectionHelper.java
View file

@ -21,13 +21,11 @@ import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.TypedArray;
import android.text.TextUtils;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckedTextView;
import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.RendererCapabilities;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
@ -37,9 +35,7 @@ import com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedT
import com.google.android.exoplayer2.trackselection.MappingTrackSelector.SelectionOverride;
import com.google.android.exoplayer2.trackselection.RandomTrackSelection;
import com.google.android.exoplayer2.trackselection.TrackSelection;
import com.google.android.exoplayer2.util.MimeTypes;
import java.util.Arrays;
import java.util.Locale;
/**
* Helper class for displaying track selection dialogs.
@ -157,7 +153,7 @@ import java.util.Locale;
CheckedTextView trackView = (CheckedTextView) inflater.inflate(
trackViewLayoutId, root, false);
trackView.setBackgroundResource(selectableItemBackgroundResourceId);
trackView.setText(buildTrackName(group.getFormat(trackIndex)));
trackView.setText(DemoUtil.buildTrackName(group.getFormat(trackIndex)));
if (trackInfo.getTrackFormatSupport(rendererIndex, groupIndex, trackIndex)
== RendererCapabilities.FORMAT_HANDLED) {
trackView.setFocusable(true);
@ -296,57 +292,4 @@ import java.util.Locale;
return tracks;
}
// Track name construction.
private static String buildTrackName(Format format) {
String trackName;
if (MimeTypes.isVideo(format.sampleMimeType)) {
trackName = joinWithSeparator(joinWithSeparator(joinWithSeparator(
buildResolutionString(format), buildBitrateString(format)), buildTrackIdString(format)),
buildSampleMimeTypeString(format));
} else if (MimeTypes.isAudio(format.sampleMimeType)) {
trackName = joinWithSeparator(joinWithSeparator(joinWithSeparator(joinWithSeparator(
buildLanguageString(format), buildAudioPropertyString(format)),
buildBitrateString(format)), buildTrackIdString(format)),
buildSampleMimeTypeString(format));
} else {
trackName = joinWithSeparator(joinWithSeparator(joinWithSeparator(buildLanguageString(format),
buildBitrateString(format)), buildTrackIdString(format)),
buildSampleMimeTypeString(format));
}
return trackName.length() == 0 ? "unknown" : trackName;
}
private static String buildResolutionString(Format format) {
return format.width == Format.NO_VALUE || format.height == Format.NO_VALUE
? "" : format.width + "x" + format.height;
}
private static String buildAudioPropertyString(Format format) {
return format.channelCount == Format.NO_VALUE || format.sampleRate == Format.NO_VALUE
? "" : format.channelCount + "ch, " + format.sampleRate + "Hz";
}
private static String buildLanguageString(Format format) {
return TextUtils.isEmpty(format.language) || "und".equals(format.language) ? ""
: format.language;
}
private static String buildBitrateString(Format format) {
return format.bitrate == Format.NO_VALUE ? ""
: String.format(Locale.US, "%.2fMbit", format.bitrate / 1000000f);
}
private static String joinWithSeparator(String first, String second) {
return first.length() == 0 ? second : (second.length() == 0 ? first : first + ", " + second);
}
private static String buildTrackIdString(Format format) {
return format.id == null ? "" : ("id:" + format.id);
}
private static String buildSampleMimeTypeString(Format format) {
return format.sampleMimeType == null ? "" : format.sampleMimeType;
}
}