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PhotoMovie can easily achieve the function of PhotoMovie like TikTok. The functions are shown below.
add Maven
allprojects {
repositories {
...
maven { url 'https://www.jitpack.io' }
}
}
add implementation
dependencies {
implementation 'com.github.yellowcath:PhotoMovie:1.6.4'
}
Recording PhotoMovie with Music
Before:------------Record Video------------>------Mix Music------>End
Now: --------Record Video And Music------>End
GLMovieRenderer.setWaterMark(bitmap,dstRect,alpha);
GLMovieRenderer.setWaterMark(text,textSize,textColor,x,y);
For reference DemoPresenter
//add photo
List<PhotoData> photoDataList = new LinkedList<PhotoData>();
photoDataList.add(new SimplePhotoData(context,photoPath1,PhotoData.STATE_LOCAL));
...
photoDataList.add(new SimplePhotoData(context,photoPathN,PhotoData.STATE_LOCAL));
PhotoSource photoSource = new PhotoSource(photoDataList);
//generate PhotoMoive
PhotoMovie photoMovie = PhotoMovieFactory.generatePhotoMovie(photoSource, PhotoMovieFactory.PhotoMovieType.HORIZONTAL_TRANS);
//generate MovieRenderer for rendering PhotoMovie to glTextureView
MovieRenderer movieRenderer = new GLTextureMovieRender(glTextureView);
/**
* OR MovieRenderer movieRenderer = new GLSurfaceMovieRenderer(glSurfaceView);
*/
//PhotoMoviePlayer
PhotoMoviePlayer photoMoviePlayer = new PhotoMoviePlayer(context);
photoMoviePlayer.setMovieRenderer(mMovieRenderer);
photoMoviePlayer.setMovieListener(...);
photoMoviePlayer.setLoop(true);
photoMoviePlayer.setOnPreparedListener(new PhotoMoviePlayer.OnPreparedListener() {
@Override
public void onPreparing(PhotoMoviePlayer moviePlayer, float progress) {
}
@Override
public void onPrepared(PhotoMoviePlayer moviePlayer, int prepared, int total) {
mPhotoMoviePlayer.start();
}
@Override
public void onError(PhotoMoviePlayer moviePlayer) {
}
});
photoMoviePlayer.prepare();
PhotoMovie uses a modular design, and each part can be customized and replaced.
Class Diagram
ScaleSegment will do scale animation. EndGaussianBlurSegment will do a gaussian blur animation from clear to blurry
PhotoMovie:PhotoMovie stands for the Movie itself，A complete PhotoMovie consists of a PhotoSource and a series of MovieSegment，images are allocated to MovieSegment through PhotoAllocator.
MovieLayer:MovieLayer provides the ability to render multilayer effects for MovieSegment ， such as SubtitleLayer with subtitle demonstrations
IMovieFilter:MovieFilter provides filters for the entire PhotoMovie.
MovieRenderer:The MovieRenderer's function is to render the photo movie to the specified output interface, such as TextureView (GLTextureMovieRender), GLSurfaceView(GLSurfaceMovieRenderer)
PhotoMoviePlayer:PhotoMoviePlayer provides a MediaPlayer-like interface to play PhotoMovie，its progress is controlled by IMovieTimer.
Six types are currently built in
public enum PhotoMovieType {
THAW,
SCALE,
SCALE_TRANS,
WINDOW,
HORIZONTAL_TRANS,
VERTICAL_TRANS
}
Here is an example of how to extend the gradient effect of 微视
According to the analysis, the picture was placed in the center first, and then a weak zoom in animation was made throughout, and the change of transparency disappeared in the second half
，A more intuitive flow chart is shown below
So two different MovieSegment is required.
FitCenterScaleSegment for zooming in images
public class FitCenterScaleSegment extends FitCenterSegment {
/**
* scale range
*/
private float mScaleFrom;
private float mScaleTo;
private float mProgress;
/**
* @param duration
* @param scaleFrom
* @param scaleTo
*/
public FitCenterScaleSegment(int duration, float scaleFrom, float scaleTo) {
super(duration);
mScaleFrom = scaleFrom;
mScaleTo = scaleTo;
}
@Override
protected void onDataPrepared() {
super.onDataPrepared();
}
@Override
public void drawFrame(GLESCanvas canvas, float segmentProgress) {
mProgress = segmentProgress;
if (!mDataPrepared) {
return;
}
drawBackground(canvas);
float scale = mScaleFrom + (mScaleTo - mScaleFrom) * mProgress;
drawContent(canvas, scale);
}
@Override
public void drawContent(GLESCanvas canvas, float scale) {
super.drawContent(canvas, scale);
}
@Override
public void drawBackground(GLESCanvas canvas) {
super.drawBackground(canvas);
}
}
And then create the GradientTransferSegment,it's superclass contains both the prior and the next MovieSegment for implementing any transition animation.
public class GradientTransferSegment extends TransitionSegment<FitCenterScaleSegment, FitCenterScaleSegment> {
private float mPreScaleFrom;
private float mPreScaleTo;
private float mNextScaleFrom;
private float mNextScaleTo;
public GradientTransferSegment(int duration,
float preScaleFrom, float preScaleTo,
float nextScaleFrom, float nextScaleTo) {
mPreScaleFrom = preScaleFrom;
mPreScaleTo = preScaleTo;
mNextScaleFrom = nextScaleFrom;
mNextScaleTo = nextScaleTo;
setDuration(duration);
}
@Override
protected void onDataPrepared() {
}
@Override
public void drawFrame(GLESCanvas canvas, float segmentProgress) {
//zoom in animation
float nextScale = mNextScaleFrom + (mNextScaleTo - mNextScaleFrom) * segmentProgress;
mNextSegment.drawContent(canvas, nextScale);
//zoom out & alpha animation
float preScale = mPreScaleFrom + (mPreScaleTo - mPreScaleFrom) * segmentProgress;
float alpha = 1 - segmentProgress;
mPreSegment.drawBackground(canvas);
canvas.save();
canvas.setAlpha(alpha);
mPreSegment.drawContent(canvas, preScale);
canvas.restore();
}
Generate PhotoMovie Object
private static PhotoMovie initGradientPhotoMovie(PhotoSource photoSource) {
List<MovieSegment> segmentList = new ArrayList<>(photoSource.size());
for (int i = 0; i < photoSource.size(); i++) {
if (i == 0) {
segmentList.add(new FitCenterScaleSegment(1600, 1f, 1.1f));
} else {
segmentList.add(new FitCenterScaleSegment(1600, 1.05f, 1.1f));
}
if (i < photoSource.size() - 1) {
segmentList.add(new GradientTransferSegment(800, 1.1f, 1.15f, 1.0f, 1.05f));
}
}
return new PhotoMovie(photoSource, segmentList);
}
Then you can play this PhotoMovie like this:
Nine filters are currently built in
public enum FilterType {
NONE,
CAMEO,
GRAY,
KUWAHARA,
SNOW,//dynamic filter
LUT1,
LUT2,
LUT3,
LUT4,
LUT5,
}
IMovieFilter
public interface IMovieFilter {
void doFilter(PhotoMovie photoMovie,int elapsedTime, FboTexture inputTexture, FboTexture outputTexture);
void release();
}
The MovieRenderer will provide an input texture that is then drawn to the output texture after being processed by the IMovieFilter, which implements the filter effect.
BaseMovieFilter has implemented basic input and output processes. For example, to make a basic black and white filter, just change FRAGMENT_SHADER
public class GrayMovieFilter extends BaseMovieFilter {
protected static final String FRAGMENT_SHADER = "" +
"varying highp vec2 textureCoordinate;\n" +
" \n" +
"uniform sampler2D inputImageTexture;\n" +
" \n" +
"void main()\n" +
"{\n" +
" mediump vec4 color = texture2D(inputImageTexture, textureCoordinate);\n" +
" mediump float gray = color.r*0.3+color.g*0.59+color.b*0.11;\n"+
" gl_FragColor = vec4(gray,gray,gray,1.0);\n"+
"}";
public GrayMovieFilter(){
super(VERTEX_SHADER,FRAGMENT_SHADER);
}
}
PhotoMovie also offers support for Lut filters
Lut means Lookup Table
For example
| lut | filter |
|---|---|
 |
 |
 |
 |
public class LutMovieFilter extends TwoTextureMovieFilter {
public LutMovieFilter(Bitmap lutBitmap){
super(loadShaderFromAssets("shader/two_vertex.glsl"),loadShaderFromAssets("shader/lut.glsl"));
setBitmap(lutBitmap);
}
}
GLMovieRecorder provides the ability to record photo movies as mp4
See DemoPresenter saveVideo()
GLMovieRecorder recorder = new GLMovieRecorder();
recorder.configOutput(width, height(), bitrate,frameRate,iFrameInterval, outputPath);
recorder.setDataSource(movieRenderer);
recorder.startRecord(new GLMovieRecorder.OnRecordListener() {
@Override
public void onRecordFinish(boolean success) {
......
}
@Override
public void onRecordProgress(int recordedDuration, int totalDuration) {
......
}
});
mPhotoMoviePlayer.setMusic(context, mMusicUri);
glMovieRecorder.setMusic(audioPath);
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