方法
/**
* 获取视频缩略图(这里获取第一帧)
* @param filePath
* @return
*/
public Bitmap getVideoThumbnail(String filePath) {
Bitmap bitmap = null;
MediaMetadataRetriever retriever = new MediaMetadataRetriever();
try {
retriever.setDataSource(filePath);
bitmap = retriever.getFrameAtTime(TimeUnit.MILLISECONDS.toMicros(1));
}
catch(IllegalArgumentException e) {
e.printStackTrace();
}
finally {
try {
retriever.release();
}
catch (RuntimeException e) {
e.printStackTrace();
}
}
return bitmap;
}