diff options
Diffstat (limited to 'library/main/src/com/android/setupwizardlib/view/IllustrationVideoView.java')
| -rw-r--r-- | library/main/src/com/android/setupwizardlib/view/IllustrationVideoView.java | 467 |
1 files changed, 256 insertions, 211 deletions
diff --git a/library/main/src/com/android/setupwizardlib/view/IllustrationVideoView.java b/library/main/src/com/android/setupwizardlib/view/IllustrationVideoView.java index 53149ea..375ee18 100644 --- a/library/main/src/com/android/setupwizardlib/view/IllustrationVideoView.java +++ b/library/main/src/com/android/setupwizardlib/view/IllustrationVideoView.java @@ -22,18 +22,23 @@ import android.content.res.TypedArray; import android.graphics.SurfaceTexture; import android.graphics.drawable.Animatable; import android.media.MediaPlayer; +import android.media.MediaPlayer.OnErrorListener; +import android.media.MediaPlayer.OnInfoListener; +import android.media.MediaPlayer.OnPreparedListener; +import android.media.MediaPlayer.OnSeekCompleteListener; +import android.net.Uri; import android.os.Build.VERSION_CODES; +import androidx.annotation.Nullable; +import androidx.annotation.RawRes; +import androidx.annotation.VisibleForTesting; import android.util.AttributeSet; import android.util.Log; import android.view.Surface; import android.view.TextureView; +import android.view.TextureView.SurfaceTextureListener; import android.view.View; - -import androidx.annotation.Nullable; -import androidx.annotation.RawRes; -import androidx.annotation.VisibleForTesting; - import com.android.setupwizardlib.R; +import java.io.IOException; /** * A view for displaying videos in a continuous loop (without audio). This is typically used for @@ -44,255 +49,295 @@ import com.android.setupwizardlib.R; * should loop back to * * <p>For optimal file size, use avconv or other video compression tool to remove the unused audio - * track and reduce the size of your video asset: - * avconv -i [input file] -vcodec h264 -crf 20 -an [output_file] + * track and reduce the size of your video asset: avconv -i [input file] -vcodec h264 -crf 20 -an + * [output_file] */ @TargetApi(VERSION_CODES.ICE_CREAM_SANDWICH) -public class IllustrationVideoView extends TextureView implements Animatable, - TextureView.SurfaceTextureListener, - MediaPlayer.OnPreparedListener, - MediaPlayer.OnSeekCompleteListener, - MediaPlayer.OnInfoListener { +public class IllustrationVideoView extends TextureView + implements Animatable, + SurfaceTextureListener, + OnPreparedListener, + OnSeekCompleteListener, + OnInfoListener, + OnErrorListener { - private static final String TAG = "IllustrationVideoView"; + private static final String TAG = "IllustrationVideoView"; - protected float mAspectRatio = 1.0f; // initial guess until we know + protected float mAspectRatio = 1.0f; // initial guess until we know - @Nullable // Can be null when media player fails to initialize - protected MediaPlayer mMediaPlayer; + @Nullable // Can be null when media player fails to initialize + protected MediaPlayer mMediaPlayer; - private @RawRes int mVideoResId = 0; + private @RawRes int videoResId = 0; - @VisibleForTesting Surface mSurface; + private String videoResPackageName; - protected int mWindowVisibility; + @VisibleForTesting Surface surface; - public IllustrationVideoView(Context context, AttributeSet attrs) { - super(context, attrs); - final TypedArray a = context.obtainStyledAttributes(attrs, - R.styleable.SuwIllustrationVideoView); - mVideoResId = a.getResourceId(R.styleable.SuwIllustrationVideoView_suwVideo, 0); - a.recycle(); + private boolean prepared; - // By default the video scales without interpolation, resulting in jagged edges in the - // video. This works around it by making the view go through scaling, which will apply - // anti-aliasing effects. - setScaleX(0.9999999f); - setScaleX(0.9999999f); + public IllustrationVideoView(Context context, AttributeSet attrs) { + super(context, attrs); + final TypedArray a = + context.obtainStyledAttributes(attrs, R.styleable.SuwIllustrationVideoView); + final int videoResId = a.getResourceId(R.styleable.SuwIllustrationVideoView_suwVideo, 0); + a.recycle(); + setVideoResource(videoResId); - setSurfaceTextureListener(this); - } + // By default the video scales without interpolation, resulting in jagged edges in the + // video. This works around it by making the view go through scaling, which will apply + // anti-aliasing effects. + setScaleX(0.9999999f); + setScaleX(0.9999999f); - @Override - protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { - int width = MeasureSpec.getSize(widthMeasureSpec); - int height = MeasureSpec.getSize(heightMeasureSpec); - - if (height < width * mAspectRatio) { - // Height constraint is tighter. Need to scale down the width to fit aspect ratio. - width = (int) (height / mAspectRatio); - } else { - // Width constraint is tighter. Need to scale down the height to fit aspect ratio. - height = (int) (width * mAspectRatio); - } - - super.onMeasure( - MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), - MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); - } + setSurfaceTextureListener(this); + } - /** - * Set the video to be played by this view. - * - * @param resId Resource ID of the video, typically an MP4 under res/raw. - */ - public void setVideoResource(@RawRes int resId) { - if (resId != mVideoResId) { - mVideoResId = resId; - createMediaPlayer(); - } - } + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + int width = MeasureSpec.getSize(widthMeasureSpec); + int height = MeasureSpec.getSize(heightMeasureSpec); - @Override - public void onWindowFocusChanged(boolean hasWindowFocus) { - super.onWindowFocusChanged(hasWindowFocus); - if (hasWindowFocus) { - start(); - } else { - stop(); - } + if (height < width * mAspectRatio) { + // Height constraint is tighter. Need to scale down the width to fit aspect ratio. + width = (int) (height / mAspectRatio); + } else { + // Width constraint is tighter. Need to scale down the height to fit aspect ratio. + height = (int) (width * mAspectRatio); } - /** - * Creates a media player for the current URI. The media player will be started immediately if - * the view's window is visible. If there is an existing media player, it will be released. - */ - protected void createMediaPlayer() { - if (mMediaPlayer != null) { - mMediaPlayer.release(); - } - if (mSurface == null || mVideoResId == 0) { - return; - } - - mMediaPlayer = MediaPlayer.create(getContext(), mVideoResId); - - if (mMediaPlayer != null) { - mMediaPlayer.setSurface(mSurface); - mMediaPlayer.setOnPreparedListener(this); - mMediaPlayer.setOnSeekCompleteListener(this); - mMediaPlayer.setOnInfoListener(this); - - float aspectRatio = - (float) mMediaPlayer.getVideoHeight() / mMediaPlayer.getVideoWidth(); - if (mAspectRatio != aspectRatio) { - mAspectRatio = aspectRatio; - requestLayout(); - } - } else { - Log.wtf(TAG, "Unable to initialize media player for video view"); - } - if (mWindowVisibility == View.VISIBLE) { - start(); - } + super.onMeasure( + MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), + MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); + } + + /** + * Set the video and video package name to be played by this view. + * + * @param videoResId Resource ID of the video, typically an MP4 under res/raw. + * @param videoResPackageName The package name of videoResId. + */ + public void setVideoResource(@RawRes int videoResId, String videoResPackageName) { + if (videoResId != this.videoResId + || (videoResPackageName != null && !videoResPackageName.equals(this.videoResPackageName))) { + this.videoResId = videoResId; + this.videoResPackageName = videoResPackageName; + createMediaPlayer(); } - - protected void createSurface() { - if (mSurface != null) { - mSurface.release(); - mSurface = null; - } - // Reattach only if it has been previously released - SurfaceTexture surfaceTexture = getSurfaceTexture(); - if (surfaceTexture != null) { - setVisibility(View.INVISIBLE); - mSurface = new Surface(surfaceTexture); - } + } + + /** + * Set the video to be played by this view. + * + * @param resId Resource ID of the video, typically an MP4 under res/raw. + */ + public void setVideoResource(@RawRes int resId) { + setVideoResource(resId, getContext().getPackageName()); + } + + @Override + public void onWindowFocusChanged(boolean hasWindowFocus) { + super.onWindowFocusChanged(hasWindowFocus); + if (hasWindowFocus) { + start(); + } else { + stop(); } - - @Override - protected void onWindowVisibilityChanged(int visibility) { - super.onWindowVisibilityChanged(visibility); - mWindowVisibility = visibility; - if (visibility == View.VISIBLE) { - reattach(); - } else { - release(); - } + } + + /** + * Creates a media player for the current URI. The media player will be started immediately if the + * view's window is visible. If there is an existing media player, it will be released. + */ + protected void createMediaPlayer() { + if (mMediaPlayer != null) { + mMediaPlayer.release(); } - - /** - * Whether the media player should play the video in a continuous loop. The default value is - * true. - */ - protected boolean shouldLoop() { - return true; + if (surface == null || videoResId == 0) { + return; } - /** - * Release any resources used by this view. This is automatically called in - * onSurfaceTextureDestroyed so in most cases you don't have to call this. - */ - public void release() { - if (mMediaPlayer != null) { - mMediaPlayer.stop(); - mMediaPlayer.release(); - mMediaPlayer = null; - } - if (mSurface != null) { - mSurface.release(); - mSurface = null; - } + mMediaPlayer = new MediaPlayer(); + + mMediaPlayer.setSurface(surface); + mMediaPlayer.setOnPreparedListener(this); + mMediaPlayer.setOnSeekCompleteListener(this); + mMediaPlayer.setOnInfoListener(this); + mMediaPlayer.setOnErrorListener(this); + + setVideoResourceInternal(videoResId, videoResPackageName); + } + + private void setVideoResourceInternal(@RawRes int videoRes, String videoResPackageName) { + Uri uri = Uri.parse("android.resource://" + videoResPackageName + "/" + videoRes); + try { + mMediaPlayer.setDataSource(getContext(), uri, null); + mMediaPlayer.prepareAsync(); + } catch (IOException e) { + Log.wtf(TAG, "Unable to set data source", e); } + } - private void reattach() { - if (mSurface == null) { - initVideo(); - } + protected void createSurface() { + if (surface != null) { + surface.release(); + surface = null; + } + // Reattach only if it has been previously released + SurfaceTexture surfaceTexture = getSurfaceTexture(); + if (surfaceTexture != null) { + setVisibility(View.INVISIBLE); + surface = new Surface(surfaceTexture); } + } + + @Override + protected void onWindowVisibilityChanged(int visibility) { + super.onWindowVisibilityChanged(visibility); + if (visibility == View.VISIBLE) { + reattach(); + } else { + release(); + } + } + + /** + * Whether the media player should play the video in a continuous loop. The default value is true. + */ + protected boolean shouldLoop() { + return true; + } + + /** + * Release any resources used by this view. This is automatically called in + * onSurfaceTextureDestroyed so in most cases you don't have to call this. + */ + public void release() { + if (mMediaPlayer != null) { + mMediaPlayer.release(); + mMediaPlayer = null; + prepared = false; + } + if (surface != null) { + surface.release(); + surface = null; + } + } - private void initVideo() { - if (mWindowVisibility != View.VISIBLE) { - return; - } - createSurface(); - if (mSurface != null) { - createMediaPlayer(); - } else { - Log.w("IllustrationVideoView", "Surface creation failed"); - } + private void reattach() { + if (surface == null) { + initVideo(); } + } - protected void onRenderingStart() { + private void initVideo() { + if (getWindowVisibility() != View.VISIBLE) { + return; } + createSurface(); + if (surface != null) { + createMediaPlayer(); + } else { + Log.w(TAG, "Surface creation failed"); + } + } - /* SurfaceTextureListener methods */ + protected void onRenderingStart() {} - @Override - public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height) { - // Keep the view hidden until video starts - setVisibility(View.INVISIBLE); - initVideo(); - } + /* SurfaceTextureListener methods */ - @Override - public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int width, int height) { - } + @Override + public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height) { + // Keep the view hidden until video starts + setVisibility(View.INVISIBLE); + initVideo(); + } - @Override - public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) { - release(); - return true; - } + @Override + public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int width, int height) {} - @Override - public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) { - } + @Override + public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) { + release(); + return true; + } - /* Animatable methods */ + @Override + public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {} - @Override - public void start() { - if (mMediaPlayer != null && !mMediaPlayer.isPlaying()) { - mMediaPlayer.start(); - } - } + /* Animatable methods */ - @Override - public void stop() { - if (mMediaPlayer != null) { - mMediaPlayer.pause(); - } + @Override + public void start() { + if (prepared && mMediaPlayer != null && !mMediaPlayer.isPlaying()) { + mMediaPlayer.start(); } + } - @Override - public boolean isRunning() { - return mMediaPlayer != null && mMediaPlayer.isPlaying(); + @Override + public void stop() { + if (prepared && mMediaPlayer != null) { + mMediaPlayer.pause(); } + } - /* MediaPlayer callbacks */ + @Override + public boolean isRunning() { + return mMediaPlayer != null && mMediaPlayer.isPlaying(); + } - @Override - public boolean onInfo(MediaPlayer mp, int what, int extra) { - if (what == MediaPlayer.MEDIA_INFO_VIDEO_RENDERING_START) { - // Video available, show view now - setVisibility(View.VISIBLE); - onRenderingStart(); - } - return false; - } + /* MediaPlayer callbacks */ - @Override - public void onPrepared(MediaPlayer mp) { - mp.setLooping(shouldLoop()); + @Override + public boolean onInfo(MediaPlayer mp, int what, int extra) { + if (what == MediaPlayer.MEDIA_INFO_VIDEO_RENDERING_START) { + // Video available, show view now + setVisibility(View.VISIBLE); + onRenderingStart(); } - - @Override - public void onSeekComplete(MediaPlayer mp) { - mp.start(); + return false; + } + + @Override + public void onPrepared(MediaPlayer mp) { + prepared = true; + mp.setLooping(shouldLoop()); + + float aspectRatio = 0.0f; + if (mp.getVideoWidth() > 0 && mp.getVideoHeight() > 0) { + aspectRatio = (float) mp.getVideoHeight() / mp.getVideoWidth(); + } else { + Log.w(TAG, "Unexpected video size=" + mp.getVideoWidth() + "x" + mp.getVideoHeight()); } - - public int getCurrentPosition() { - return mMediaPlayer == null ? 0 : mMediaPlayer.getCurrentPosition(); + if (Float.compare(mAspectRatio, aspectRatio) != 0) { + mAspectRatio = aspectRatio; + requestLayout(); + } + if (getWindowVisibility() == View.VISIBLE) { + start(); } + } + + @Override + public void onSeekComplete(MediaPlayer mp) { + if (isPrepared()) { + mp.start(); + } else { + Log.wtf(TAG, "Seek complete but media player not prepared"); + } + } + + public int getCurrentPosition() { + return mMediaPlayer == null ? 0 : mMediaPlayer.getCurrentPosition(); + } + + protected boolean isPrepared() { + return prepared; + } + + @Override + public boolean onError(MediaPlayer mediaPlayer, int what, int extra) { + Log.w(TAG, "MediaPlayer error. what=" + what + " extra=" + extra); + return false; + } } |