gif android. 耗资源,Android MP4转GIF
[Java] 純文本查看 復(fù)制代碼/**
* [url=home.php?mod=space&uid=952169]@Param[/url] gifPath gif圖片的存儲(chǔ)路徑
* @param begin 開始時(shí)間
* @param end 結(jié)束時(shí)間
* @param fps
* @param speed
* @param gifWidth gif的導(dǎo)出寬度
* @param gifHeight gif的導(dǎo)出長(zhǎng)度
* @param videoState 視頻是橫屏還是豎屏的
* @param needRoate 是否需要旋轉(zhuǎn)
* @param rotateAngle 旋轉(zhuǎn)角度
*/
public void encoder(final String gifPath, final long begin, final long end, final int fps,
final int speed, final int gifWidth, final int gifHeight, final int videoState, final boolean needRoate, final int rotateAngle) {
if (begin > duration) {
// throw new RuntimeException("開始時(shí)間不能大于視頻時(shí)長(zhǎng)");
callBack.erroCallBack("開始時(shí)間不能大于視頻時(shí)長(zhǎng)");
return;
}
if (end <= begin) {
// throw new RuntimeException("開始時(shí)間大于結(jié)束時(shí)間");
callBack.erroCallBack("開始時(shí)間大于結(jié)束時(shí)間");
return;
}
Thread thread = new Thread() {
@Override
public void run() {
super.run();
long endTime = duration;
if (end < duration) {
endTime = end;
}
long time1 = System.currentTimeMillis();
videoExtractor.seekTo(begin * 1000, trackIndex); // 精確定位到指定幀(定位到指定開始時(shí)間幀)
FastYUVtoRGB fastYUVtoRGB = new FastYUVtoRGB(context);
String mime = format.getString(MediaFormat.KEY_MIME);
MediaCodec videoDecoder = null;
try {
videoDecoder = MediaCodec.createDecoderByType(mime);
} catch (IOException e) {
e.printStackTrace();
}
format.setInteger(MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420Flexible);
int width = format.getInteger(MediaFormat.KEY_WIDTH);
int height = format.getInteger(MediaFormat.KEY_HEIGHT);
videoDecoder.configure(format, null, null, 0);
videoDecoder.start();
GIFEncoder encoder = null;
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
int f = fps;
if (f <= 0) {
f = 15;
}
int s = speed;
if (s <= 0) {
s = f;
}
long frameTime = 1000 / f;
long startTime = begin;
while (true) {
int run = extractorVideoInputBuffer(videoExtractor, videoDecoder);
if (run == 1) {
int outIndex = videoDecoder.dequeueOutputBuffer(info, 500000);
if (outIndex >= 0) {
long time = info.presentationTimeUs / 1000;
if (time >= begin && time <= endTime) {
if (time >= startTime) {
Image image = videoDecoder.getOutputImage(outIndex); // 輸出
Bitmap bitmap = fastYUVtoRGB.convertYUVtoRGB(getDataFromImage(image), width, height);
int videoImageState = MImageUtil.getPicDirection(image.getHeight(), image.getWidth());
if (needRoate) { // 是否需要旋轉(zhuǎn)，解決自動(dòng)旋轉(zhuǎn)錯(cuò)誤的問題
bitmap = PhotoBitmapUtils.rotateBitmap(bitmap, rotateAngle);
} else {
// LogUtil.i("視頻導(dǎo)出圖片：" + videoImageState);
// LogUtil.i("原視頻圖片：" + videoState);
if (videoImageState != videoState) { // 橫豎屏不一致，默認(rèn)自動(dòng)旋轉(zhuǎn)90°
bitmap = PhotoBitmapUtils.rotateBitmap(bitmap, 90);
}
}
if (gifWidth != -1 && gifHeight != -1) { // 創(chuàng)建新的位圖
bitmap = Bitmap.createScaledBitmap(bitmap, gifWidth, gifHeight, true);
} else {
bitmap = Bitmap.createScaledBitmap(bitmap, width / 4, height / 4, true);
}
if (encoder == null) {
encoder = new GIFEncoder();
encoder.setFrameRate(s);
encoder.init(bitmap);
encoder.start(gifPath);
} else {
encoder.addFrame(bitmap);
}
int p = (int) ((startTime - begin) * 100 / (endTime - begin));
LogUtil.d("p = " + p);//進(jìn)度
if (callBack != null) {
callBack.currentProgress(p);
}
startTime += frameTime;
}
}
videoDecoder.releaseOutputBuffer(outIndex, true /* Surface init */);
if (time >= endTime) {
break;
}
}
} else if (run == -1) {
break;
}
}
if (encoder != null) {
encoder.finish();
}
LogUtil.d("encoder->time = " + (System.currentTimeMillis() - time1));
LogUtil.d("over");
LogUtil.d("gif_path:" + gifPath);
if (callBack != null) {
callBack.onSuccess(System.currentTimeMillis() - time1, gifPath);
}
videoDecoder.stop();
videoDecoder.release();
MFileUtil.clearAllCache(context); // 清除緩存
}
};
thread.start();
}
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