The code sample assume FFmpeg executable is in the execution path. The example uses hard coded strings and numbers (for simplicity). Instead of streaming to RTMP, we are writing the result to test.flv file (for testing). The following code sample writes 10 raw video frames with size 192x108 to FFmpeg. While ((line = reader.readLine()) != null) Write raw video frames to stdin pipe of FFmpeg sub-process in a loop: byte img = new byte Ĭlose stdin, read and print stderr content, and wait for sub-process to finish: writer.close() Start FFmpeg sub-process, and create BufferedReader: Process process = pb.start() īufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream())) Ĭreate OutputStream for writing to stdin pipe of FFmpeg sub-process: OutputStream writer = process.getOutputStream() Redirect stderr (required for reading FFmpeg messages), without it, the sub-process halts: pb.redirectErrorStream(true) I have a callback that copies the image bytes to a byte array as follows: public class MainActivity extends Activity Ĭreate ProcessBuilder that executes FFmpeg as a sub-process: ProcessBuilder pb = new ProcessBuilder(command) However, I haven't worked with FFMPEG in Java, so i can't find an example on how to do it. usr/local/Cellar/python/3.7.1/Frameworks/amework/Versions/3.7/lib/python3.7/subprocess.I'm currently receiving images from an external source as byte array and I would like to send it as raw video format via ffmpeg to a stream URL, where I have a RTSP server that receives RTSP streams ( a similar unanswered question).
> 769 restore_signals, start_new_session)ħ71 # Cleanup if the child failed starting. usr/local/Cellar/python/3.7.1/Frameworks/amework/Versions/3.7/lib/python3.7/subprocess.py in init(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, encoding, errors, text) > 20 p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) usr/local/lib/python3.7/site-packages/ffmpeg/_probe.py in probe(filename, cmd, **kwargs) Could it be due to the old version currently. I don't really think its my application coz i've ran it about a thousand times locally and the results are fine.
But the currently installed version of FFmpeg just gives errors like 'Error: Conversion Failed'. > 6 print(ffmpeg.probe(path_video_file))ħ meta_dict = ffmpeg.probe(path_video_file) One of the dependencies of my web application is FFmpeg.
> 17 rotateCode = check_rotation(video_path) No such file or directory: 'ffprobe': 'ffprobe'įileNotFoundError Traceback (most recent call last)
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