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Sur d’autres sites (7082)

  • How do I access the files from a ffmpeg_streaming PUT request in Django ?

    8 juin 2020, par Sage

    I'm trying to stream video from my webcam using a python package called ffmpeg_streaming and Django2.0. I can see the request being received on the server side but I can't access the actual files in views.

    &#xA;&#xA;

    This is my views.py

    &#xA;&#xA;

    @csrf_exempt&#xA;def stream_video(request):&#xA;    stream = QueryDict(request.body)&#xA;    print("Stream: ", stream)&#xA;    data = {&#x27;stream&#x27;: &#x27;streaming...&#x27;}&#xA;"""&#xA;    if hasattr(request, &#x27;_post&#x27;):&#xA;        del request._post&#xA;        del request._files&#xA;    try:&#xA;        request.method = &#x27;POST&#x27;&#xA;        request._lost_post_and_files()&#xA;        request.method = &#x27;PUT&#x27;&#xA;    except(AttributeError):&#xA;        request.META[&#x27;REQUEST_METHOD&#x27;] = &#x27;POST&#x27;&#xA;        request._load_post_and_files()&#xA;        request.META[&#x27;REQUEST_METHOD&#x27;] = &#x27;PUT&#x27;&#xA;    request.PUT = request.POST&#xA;"""&#xA;    file_ob = request.POST&#xA;    print(&#x27;Files: &#x27;, file_ob)&#xA;    files = request.FILES&#xA;    print(&#x27;Files:&#x27; , files)&#xA;    return JsonResponse(data)&#xA;

    &#xA;&#xA;

    stream_video.py

    &#xA;&#xA;

    import ffmpeg_streaming&#xA;&#xA;video = ffmpeg_streaming.input(&#x27;/dev/video0&#x27;, capture=True)&#xA;_480p  = Representation(Size(854, 480), Bitrate(750 * 1024, 192 * 1024))&#xA;hls = video.hls(Formats.h264(), hls_list_size=10, hls_time=5, method=&#x27;POST&#x27;, post_data=&#x27;File&#x27;)&#xA;hls.flags(&#x27;delete_segments&#x27;)&#xA;hls.representations(_480p)&#xA;hls.output(&#x27;http://127.0.0.1:8000/stream_video/out.m3u8&#x27;)&#xA;

    &#xA;&#xA;

    How would I go about accessing the files and treating them as uploads ?

    &#xA;

  • Unable to play video recorded from OpenAi Environment

    10 mars 2021, par ipro_ultra

    I am developing some Reinforcement Learning algorithms in python and I am trying to record the environment into a video however I am unable to play the file once I have recorded it and it is only 1KB in size, I have tried an example I found online and this didn't work either so I assume it's a system issue rather than a problem with my code, I have enabled the debugging by running gym.logger.set_level(gym.logger.DEBUG) but this doesn't seem to through anything useful back, below is my code

    &#xA;

    def replay_episode(self):&#xA;    self._env.reset()&#xA;    video_recorder = VideoRecorder(self._env, "{}/episode{}.mp4".format(self._output_directory, episode_number), enabled=True)&#xA;    for action_taken in self._current_episode_actions:&#xA;        self._env.render()&#xA;        video_recorder.capture_frame()&#xA;        self._env.step(action_taken)&#xA;    video_recorder.close()&#xA;&#xA;for i in range(solution.get_episode_count()):&#xA;    # AI Stuff&#xA;    episode_number = i &#x2B; 1&#xA;    solution.intialise_episode(episode_number)&#xA;    profiler.enable()&#xA;    while not solution.current_episode_done():&#xA;       solution.run_tick()&#xA;    solution.train_model()&#xA;    profiler.disable()&#xA;    export_profiling_results(profiler, &#x27;{}/episode{}.csv&#x27;.format(solution._output_directory, episode_number))&#xA;&#xA;&#xA;    # This is the bit we&#x27;re intrested in&#xA;    if solution.current_episode_successful() or episode_number % 50 == 0:&#xA;        solution.replay_episode()&#xA;&#xA;    done_time = time.time()&#xA;    print("Episode {} Completed in {}s".format(episode_number, done_time-start_time))&#xA;    start_time = done_time&#xA;&#xA;solution.close()&#xA;

    &#xA;

    Here is the log I get from the environment when the replay_episode() method is called

    &#xA;

    DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Starting ffmpeg with "ffmpeg -nostats -loglevel error -y -f rawvideo -s:v 600x400 -pix_fmt rgb24 -framerate 30 -i - -vf scale=trunc(iw/2)*2:trunc(ih/2)*2 -vcodec libx264 -pix_fmt yuv420p &#xA;-r 30 data/1003083349/episode50.mp4"&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Capturing video frame: path=data/1003083349/episode50.mp4&#xA;DEBUG: Closing video encoder: path=data/1003083349/episode50.mp4&#xA;

    &#xA;

    When I attempt to play the video I get the error : This file isn&#x27;t playable. That might be because the file type is unsupported, the file extension is incorrect, or the file is corrupt. 0xc10100be

    &#xA;

    Thank you in advance for any responses

    &#xA;

  • ffserver : Use AVOption API to access ffm demuxer instead of direct access depending...

    20 novembre 2015, par Michael Niedermayer
    ffserver : Use AVOption API to access ffm demuxer instead of direct access depending on ABI

    server_attached is newly added so the demuxer knows if there is an attached server
    
that can update the write index. This is needed to fix a infinite loop
    

    Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] ffserver.c

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