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Thumbnails support
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@natario1
natario1 committed Mar 18, 2021
1 parent 28937b2 commit 997de45
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Showing 39 changed files with 1,207 additions and 145 deletions.
11 changes: 10 additions & 1 deletion demo/src/main/AndroidManifest.xml
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Expand Up @@ -13,9 +13,18 @@
android:label="@string/app_name"
android:theme="@style/AppTheme"
tools:ignore="AllowBackup,GoogleAppIndexingWarning">

<activity
android:name=".TranscoderActivity"
android:label="@string/app_name">
android:label="Transcoder">
<intent-filter>
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>

<activity
android:name=".ThumbnailerActivity"
android:label="Thumbnailer">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
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218 changes: 218 additions & 0 deletions demo/src/main/java/com/otaliastudios/transcoder/demo/ThumbnailerActivity.java
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package com.otaliastudios.transcoder.demo;

import android.annotation.SuppressLint;
import android.content.ClipData;
import android.content.Intent;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.os.SystemClock;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.TypedValue;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import com.otaliastudios.transcoder.ThumbnailerListener;
import com.otaliastudios.transcoder.ThumbnailerOptions;
import com.otaliastudios.transcoder.internal.utils.Logger;
import com.otaliastudios.transcoder.resize.AspectRatioResizer;
import com.otaliastudios.transcoder.resize.FractionResizer;
import com.otaliastudios.transcoder.resize.MultiResizer;
import com.otaliastudios.transcoder.resize.PassThroughResizer;
import com.otaliastudios.transcoder.source.DataSource;
import com.otaliastudios.transcoder.source.TrimDataSource;
import com.otaliastudios.transcoder.source.UriDataSource;
import com.otaliastudios.transcoder.thumbnail.Thumbnail;
import com.otaliastudios.transcoder.thumbnail.UniformThumbnailRequest;

import org.jetbrains.annotations.NotNull;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Future;
import java.util.function.Consumer;

import kotlin.collections.ArraysKt;
import kotlin.jvm.functions.Function1;

import static android.util.TypedValue.COMPLEX_UNIT_DIP;


public class ThumbnailerActivity extends AppCompatActivity implements
ThumbnailerListener {

private static final Logger LOG = new Logger("TranscoderActivity");

private static final int REQUEST_CODE_PICK = 1;
private static final int PROGRESS_BAR_MAX = 1000;

private RadioGroup mVideoResolutionGroup;
private RadioGroup mVideoAspectGroup;
private RadioGroup mVideoRotationGroup;

private ProgressBar mProgressView;
private TextView mButtonView;
private EditText mTrimStartView;
private EditText mTrimEndView;
private ViewGroup mThumbnailsView;

private boolean mIsTranscoding;
private Future<Void> mTranscodeFuture;

@SuppressLint("SetTextI18n")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Logger.setLogLevel(Logger.LEVEL_VERBOSE);
setContentView(R.layout.activity_thumbnailer);

mThumbnailsView = findViewById(R.id.thumbnails);
mButtonView = findViewById(R.id.button);
mButtonView.setOnClickListener(v -> {
if (!mIsTranscoding) {
startActivityForResult(new Intent(Intent.ACTION_GET_CONTENT)
.setType("video/*")
.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true), REQUEST_CODE_PICK);
} else {
mTranscodeFuture.cancel(true);
}
});

mProgressView = findViewById(R.id.progress);
mTrimStartView = findViewById(R.id.trim_start);
mTrimEndView = findViewById(R.id.trim_end);
mVideoResolutionGroup = findViewById(R.id.resolution);
mVideoAspectGroup = findViewById(R.id.aspect);
mVideoRotationGroup = findViewById(R.id.rotation);
setIsTranscoding(false, null);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_CODE_PICK
&& resultCode == RESULT_OK
&& data != null) {
if (data.getData() != null) {
thumbnails(data.getData());
} else if (data.getClipData() != null) {
ClipData clipData = data.getClipData();
List<Uri> uris = new ArrayList<>();
for (int i = 0; i < clipData.getItemCount(); i++) {
uris.add(clipData.getItemAt(i).getUri());
}
thumbnails(uris.toArray(new Uri[0]));
}
}
}

private void thumbnails(@NonNull Uri... uris) {
LOG.e("Building sources...");
List<DataSource> sources = ArraysKt.map(uris, uri -> new UriDataSource(this, uri));
long trimStart = 0, trimEnd = 0;
try {
trimStart = Long.parseLong(mTrimStartView.getText().toString());
} catch (NumberFormatException e) {
LOG.w("Failed to read trimStart value.", e);
}
try {
trimEnd = Long.parseLong(mTrimEndView.getText().toString());
} catch (NumberFormatException e) {
LOG.w("Failed to read trimEnd value.", e);
}
trimStart = Math.max(0, trimStart) * 1000000;
trimEnd = Math.max(0, trimEnd) * 1000000;
sources.set(0, new TrimDataSource(sources.get(0), trimStart, trimEnd));

LOG.e("Building options...");
ThumbnailerOptions.Builder builder = new ThumbnailerOptions.Builder();
builder.addThumbnailRequest(new UniformThumbnailRequest(8));
builder.setListener(this);
for (DataSource source : sources) {
builder.addDataSource(source);
}

float aspectRatio;
switch (mVideoAspectGroup.getCheckedRadioButtonId()) {
case R.id.aspect_169: aspectRatio = 16F / 9F; break;
case R.id.aspect_43: aspectRatio = 4F / 3F; break;
case R.id.aspect_square: aspectRatio = 1F; break;
default: aspectRatio = 0F;
}
if (aspectRatio > 0) {
builder.addResizer(new AspectRatioResizer(aspectRatio));
}
float fraction;
switch (mVideoResolutionGroup.getCheckedRadioButtonId()) {
case R.id.resolution_half: fraction = 0.5F; break;
case R.id.resolution_third: fraction = 1F / 3F; break;
default: fraction = 1F;
}
builder.addResizer(new FractionResizer(fraction));
int rotation;
switch (mVideoRotationGroup.getCheckedRadioButtonId()) {
case R.id.rotation_90: rotation = 90; break;
case R.id.rotation_180: rotation = 180; break;
case R.id.rotation_270: rotation = 270; break;
default: rotation = 0;
}
builder.setRotation(rotation);

// Launch the transcoding operation.
LOG.e("Starting transcoding!");
setIsTranscoding(true, null);
mTranscodeFuture = builder.thumbnails();
}

@Override
public void onThumbnail(@NotNull Thumbnail thumbnail) {
float size = TypedValue.applyDimension(COMPLEX_UNIT_DIP, 96, getResources().getDisplayMetrics());
ImageView view = new ImageView(this);
view.setLayoutParams(new ViewGroup.LayoutParams((int) size, (int) size));
view.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
view.setBackgroundColor(getResources().getColor(R.color.colorPrimary));
view.setImageBitmap(thumbnail.getBitmap());
mThumbnailsView.addView(view);
double progress = (float) mThumbnailsView.getChildCount() / 8;
mProgressView.setIndeterminate(false);
mProgressView.setProgress((int) Math.round(progress * PROGRESS_BAR_MAX));
}

@Override
public void onThumbnailsCanceled() {
setIsTranscoding(false, "Operation canceled.");
}

@Override
public void onThumbnailsFailed(@NotNull Throwable exception) {
setIsTranscoding(false, "Error occurred. " + exception.getMessage());
}

@Override
public void onThumbnailsCompleted(@NotNull List<Thumbnail> thumbnails) {
setIsTranscoding(false, "Extracted " + thumbnails.size() + " thumbnails.");
}

private void setIsTranscoding(boolean isTranscoding, @Nullable String message) {
mProgressView.setMax(PROGRESS_BAR_MAX);
mProgressView.setProgress(0);
if (isTranscoding) {
mThumbnailsView.removeAllViews();
}
if (message != null) {
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
mIsTranscoding = isTranscoding;
mButtonView.setText(mIsTranscoding ? "Cancel Thumbnails" : "Select Videos & Transcode");
}
}
2 changes: 1 addition & 1 deletion demo/src/main/java/com/otaliastudios/transcoder/demo/TranscoderActivity.java
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Expand Up @@ -46,7 +46,7 @@
public class TranscoderActivity extends AppCompatActivity implements
TranscoderListener {

private static final Logger LOG = new Logger("DemoApp");
private static final Logger LOG = new Logger("TranscoderActivity");

private static final String FILE_PROVIDER_AUTHORITY = "com.otaliastudios.transcoder.demo.fileprovider";
private static final int REQUEST_CODE_PICK = 1;
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