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Autres articles (37)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • Mise à disposition des fichiers

    14 avril 2011, par

    Par défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
    Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
    Tout cela se passe dans la page de configuration du squelette. Il vous faut aller dans l’espace d’administration du canal, et choisir dans la navigation (...)

Sur d’autres sites (5196)

  • ffmpeg and streaming video - frame time issue

    6 mai 2014, par 4ntoine

    I’ve compiled ffmpeg-android (https://github.com/appunite/AndroidFFmpeg) and it works for files.
    The problem is that it shows nothing for network streams (both rtmp and hls) as frame timestamp is too big and it seems to be not from video beginning (as for file). Then it waits for the first frame time which for network stream is too big :

    player_decode_video copying...
    
05-05 18:11:26.994: INFO/player.c(16998): player_decode_video Decoded video frame: 568.233000, time_base: 51140970
    
05-05 18:11:26.994: INFO/player.c(16998): player_wait_for_frame[0] start
    
...
    
05-05 18:11:30.587: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (568.233000) - (0.000977)
    
05-05 18:11:30.587: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: 568232023
    
05-05 18:11:31.088: INFO/player.c(16998): player_wait_for_frame[0] timeout
    
05-05 18:11:31.088: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (568.233000) - (0.501542)
    
05-05 18:11:31.088: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: 567731458
    
05-05 18:11:31.588: INFO/player.c(16998): player_wait_for_frame[0] timeout
    
05-05 18:11:31.588: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (568.233000) - (1.002778)
    
05-05 18:11:31.588: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: 567230222
    
05-05 18:11:32.089: INFO/player.c(16998): player_wait_for_frame[0] timeout
    
05-05 18:11:32.089: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (568.233000) - (1.504563)
    
05-05 18:11:32.089: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: 566728437
    
05-05 18:11:32.590: INFO/player.c(16998): player_wait_for_frame[0] timeout
    
05-05 18:11:32.590: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (568.233000) - (2.005708)
    
05-05 18:11:32.590: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: 566227292

    also i can’t figure out what timestamp for frame for network stream means (for file frames it’s a time from video beginning)

    for file it’s clear : time_base is frame number and timestamp is time from video beginning and it plays the files :

    player_decode_video Decoded video frame: 0.320000, time_base: 8
    
05-05 18:32:42.344: INFO/player.c(16998): player_wait_for_frame[0] start
    
05-05 18:32:42.344: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (0.320000) - (0.344337)
    
05-05 18:32:42.344: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: -24337
    
05-05 18:32:42.344: INFO/player.c(16998): player_wait_for_frame[0] finish[0]
    
05-05 18:32:42.344: INFO/player.c(16998): player_update_time: 0.346169/4.000000
    
05-05 18:32:42.344: INFO/player.c(16998): player_decode waiting for frame[0]
    
05-05 18:32:42.344: INFO/player.c(16998): player_decode decoding frame[0]
    
05-05 18:32:42.344: INFO/player.c(16998): player_decode_video decoding
    
05-05 18:32:42.344: INFO/player.c(16998): player_decode_video copy wait
    
05-05 18:32:42.344: INFO/player.c(16998): player_read_from_stream Read frame
    
05-05 18:32:42.344: INFO/player.c(16998): player_read_from_stream looking for stream
    
05-05 18:32:42.344: INFO/player.c(16998): player_read_from_stream stream found [0]
    
05-05 18:32:42.344: INFO/player.c(16998): player_read_from_stream waiting for queue
    
05-05 18:32:42.344: INFO/player.c(16998): Format: WINDOW_FORMAT_RGBA_8888
    
05-05 18:32:42.344: INFO/player.c(16998): Buffer: width: 1280, height: 720, stride: 1280
    
05-05 18:32:42.344: INFO/player.c(16998): player_decode_video copying...
    
05-05 18:32:42.425: INFO/player.c(16998): player_decode_video Decoded video frame: 0.360000, time_base: 9
    
05-05 18:32:42.425: INFO/player.c(16998): player_wait_for_frame[0] start
    
05-05 18:32:42.425: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (0.360000) - (0.427994)
    
05-05 18:32:42.425: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: -67994
    
05-05 18:32:42.425: INFO/player.c(16998): player_wait_for_frame[0] finish[0]
    
05-05 18:32:42.425: INFO/player.c(16998): player_update_time: 0.429214/4.000000
    
05-05 18:32:42.425: INFO/player.c(16998): player_decode waiting for frame[0]
    
05-05 18:32:42.425: INFO/player.c(16998): player_decode decoding frame[0]
    
05-05 18:32:42.425: INFO/player.c(16998): player_decode_video decoding
    
05-05 18:32:42.425: INFO/player.c(16998): player_read_from_stream Read frame
    
05-05 18:32:42.425: INFO/player.c(16998): player_read_from_stream looking for stream
    
05-05 18:32:42.425: INFO/player.c(16998): player_read_from_stream stream found [0]
    
05-05 18:32:42.425: INFO/player.c(16998): player_read_from_stream waiting for queue
    
05-05 18:32:42.425: INFO/player.c(16998): player_decode_video copy wait
    
05-05 18:32:42.435: INFO/player.c(16998): Format: WINDOW_FORMAT_RGBA_8888
    
05-05 18:32:42.435: INFO/player.c(16998): Buffer: width: 1280, height: 720, stride: 1280
    
05-05 18:32:42.435: INFO/player.c(16998): player_decode_video copying...
    
05-05 18:32:42.495: INFO/player.c(16998): player_decode_video Decoded video frame: 0.400000, time_base: 10
    
05-05 18:32:42.495: INFO/player.c(16998): player_wait_for_frame[0] start
    
05-05 18:32:42.495: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (0.400000) - (0.494742)
    
05-05 18:32:42.495: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: -94742
    
05-05 18:32:42.495: INFO/player.c(16998): player_wait_for_frame[0] finish[0]
    
05-05 18:32:42.495: INFO/player.c(16998): player_update_time: 0.495993/4.000000
    
05-05 18:32:42.495: INFO/player.c(16998): player_decode waiting for frame[0]
    
05-05 18:32:42.495: INFO/player.c(16998): player_decode decoding frame[0]
    
05-05 18:32:42.495: INFO/player.c(16998): player_decode_video decoding
    
05-05 18:32:42.495: INFO/player.c(16998): player_decode_video copy wait
    
05-05 18:32:42.495: INFO/player.c(16998): player_read_from_stream Read frame
    
05-05 18:32:42.495: INFO/player.c(16998): Format: WINDOW_FORMAT_RGBA_8888
    
05-05 18:32:42.495: INFO/player.c(16998): Buffer: width: 1280, height: 720, stride: 1280
    
05-05 18:32:42.495: INFO/player.c(16998): player_decode_video copying...
    
05-05 18:32:42.495: INFO/player.c(16998): player_read_from_stream looking for stream
    
05-05 18:32:42.495: INFO/player.c(16998): player_read_from_stream stream found [0]
    
05-05 18:32:42.495: INFO/player.c(16998): player_read_from_stream waiting for queue
    
05-05 18:32:42.555: INFO/player.c(16998): player_decode_video Decoded video frame: 0.440000, time_base: 11
    
05-05 18:32:42.555: INFO/player.c(16998): player_wait_for_frame[0] start
    
05-05 18:32:42.555: INFO/player.c(16998): player_wait_for_frame[0 = Video] = (0.440000) - (0.556698)
    
05-05 18:32:42.555: INFO/player.c(16998): player_wait_for_frame[0] Waiting for frame: sleeping: -116698
    
05-05 18:32:42.555: INFO/player.c(16998): player_wait_for_frame[0] finish[0]
    
05-05 18:32:42.555: INFO/player.c(16998): player_update_time: 0.557858/4.000000
    
05-05 18:32:42.555: INFO/player.c(16998): player_decode waiting for frame[0]
    
05-05 18:32:42.555: INFO/player.c(16998): player_read_from_stream Read frame
    
05-05 18:32:42.555: INFO/player.c(16998): player_read_from_stream looking for stream
    
05-05 18:32:42.555: INFO/player.c(16998): player_read_from_stream stream found [0]
    
05-05 18:32:42.555: INFO/player.c(16998): player_read_from_stream waiting for queue
    
05-05 18:32:42.555: INFO/player.c(16998): player_decode decoding frame[0]
    
05-05 18:32:42.555: INFO/player.c(16998): player_decode_video decoding
    
05-05 18:32:42.555: INFO/player.c(16998): player_decode_video copy wait
    
05-05 18:32:42.565: INFO/player.c(16998): Format: WINDOW_FORMAT_RGBA_8888
    
05-05 18:32:42.565: INFO/player.c(16998): Buffer: width: 1280, height: 720, stride: 1280
    
05-05 18:32:42.565: INFO/player.c(16998): player_decode_video copying...
    
05-05 18:32:42.625: INFO/player.c(16998): player_decode_video Decoded video frame: 0.480000, time_base: 12

    So what is the meaning of timestamp for stream and what should i change to make it playing streams (rtmp/hls - its can be opened now but it wait for frame time which is far in the future) ?

    UPDATE :

        int64_t pts = av_frame_get_best_effort_timestamp(frame);
    
if (pts == AV_NOPTS_VALUE) {
    
    pts = 0;
    
}
    
int64_t time = av_rescale_q(pts, stream->time_base, AV_TIME_BASE_Q);
    
LOGI(10,
    
        "player_decode_video Decoded video frame: %f, time_base: %" SCNd64,
    
        time/1000000.0, pts);
    
player_wait_for_frame(player, time, stream_no);

    it extracts time which is far in future :

    player_wait_for_frame[0 = Video] = (568.233000) - (0.000977)

    Is it correct ?

  • Flash block/timeout handling improvements. Cleaner CSS, updated demo and main demos include handling now

    20 mars 2010, par Scott Schiller

    m demo/360-player/360player.css m demo/360-player/canvas-visualization-basic.html m demo/360-player/canvas-visualization.html m demo/360-player/index.html m demo/api/index.html + demo/flashblock/flashblock.css m demo/flashblock/index.html m demo/index.css m (...)

  • +ImageOptim byte savings

    17 septembre 2012, par Scott Schiller

    m demo/360-player/icon_loading_dots.gif m demo/360-player/icon_loading_spinner.gif m demo/360-player/icon_loading_spinner_bigger.gif m demo/_image/christmas-lights.jpg m demo/_image/christmas-lights.png m demo/_image/fitter-happier-waveform.jpg m demo/_image/mpc-screenshot.png m (...)

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