I added two lines.
// resize
IMediaReader reader = ToolFactory.makeReader(baseURL+this.streamName);
reader.open();
reader.setBufferedImageTypeToGenerate(BufferedImage.TYPE_3BYTE_BGR);
IMediaTool videoResizeTool = new VideoResizeTool(80,60);
IMediaWriter writer = ToolFactory.makeWriter(baseURL+this.transcodedStreamName, reader);
SetVideoSizeListener setVideoSizeListener = new SetVideoSizeListener(80, 60);
// pipeline reader -> VideoResizeTool -> writer -> setVideoSize
reader.addListener(videoResizeTool);
videoResizeTool.addListener(writer);
writer.addListener(setVideoSizeListener);
while (reader.readPacket() == null){
do {} while(false);
}
The line 3 is what I mentioned at the previous post. The line 4 is a little bit tricky. I'm not sure why it works, but without the line 4, I got following errors.
13:15:22.483 [Thread-76] WARN com.xuggle.xuggler - Got error: picture is not of the same width as this Coder (../../../../../../../csrc/com/xuggle/xuggler/StreamCoder.cpp:1251)
Exception in thread "Thread-76" java.lang.RuntimeException: failed to encode video
at com.xuggle.mediatool.MediaWriter.encodeVideo(MediaWriter.java:771)
at com.xuggle.mediatool.MediaWriter.encodeVideo(MediaWriter.java:790)
at com.xuggle.mediatool.MediaWriter.onVideoPicture(MediaWriter.java:1441)
at com.xuggle.mediatool.AMediaToolMixin.onVideoPicture(AMediaToolMixin.java:166)
at com.xuggle.mediatool.MediaToolAdapter.onVideoPicture(MediaToolAdapter.java:169)
at com.mycompany.xuggler.VideoResizeTool.onVideoPicture(VideoResizeTool.java:35)
at com.xuggle.mediatool.AMediaToolMixin.onVideoPicture(AMediaToolMixin.java:166)
at com.xuggle.mediatool.MediaReader.dispatchVideoPicture(MediaReader.java:610)
at com.xuggle.mediatool.MediaReader.decodeVideo(MediaReader.java:519)
at com.xuggle.mediatool.MediaReader.readPacket(MediaReader.java:475)
at com.mycompany.xuggler.MediaProcessingThread.startMediaProcessing(MediaProcessingThread.java:96)
at com.mycompany.xuggler.MediaProcessingThread.run(MediaProcessingThread.java:30)
Is it because of the difference of versions? I'm using the latest revision 1065 not release 3.4.
Why have you added those lines?
ReplyDeleteYou need to make coder's width and image width the same. I use the code below to resize video:
ReplyDeletemediaReader.addListener(new MediaListenerAdapter() {
private IVideoResampler videoResampler = null;
int width = 240;
int height = 180;
@Override
public void onVideoPicture(IVideoPictureEvent event) {
IVideoPicture pic = event.getPicture();
if (videoResampler == null) {
videoResampler = IVideoResampler.make(width, height,
pic.getPixelType(), pic.getWidth(),
pic.getHeight(), pic.getPixelType());
}
IVideoPicture out = IVideoPicture.make(pic.getPixelType(),
width, height);
videoResampler.resample(out, pic);
IVideoPictureEvent asc = new VideoPictureEvent(event
.getSource(), out, event.getStreamIndex());
super.onVideoPicture(asc);
out.delete();
}
});
mediaReader.addListener(writer);
writer.addListener(new MediaListenerAdapter() {
int width = 240;
int height = 180;
@Override
public void onAddStream(IAddStreamEvent event) {
int streamIndex = event.getStreamIndex();
IStreamCoder streamCoder = event.getSource().getContainer()
.getStream(streamIndex).getStreamCoder();
if (streamCoder.getCodecType() == ICodec.Type.CODEC_TYPE_AUDIO) {
} else if (streamCoder.getCodecType() == ICodec.Type.CODEC_TYPE_VIDEO) {
streamCoder.setWidth(width);
streamCoder.setHeight(height);
}
super.onAddStream(event);
}
});