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Autres articles (67)
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Use, discuss, criticize
13 avril 2011, parTalk 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 Player : les contrôles
26 mai 2010, parLes contrôles à la souris du lecteur
En plus des actions au click sur les boutons visibles de l’interface du lecteur, il est également possible d’effectuer d’autres actions grâce à la souris : Click : en cliquant sur la vidéo ou sur le logo du son, celui ci se mettra en lecture ou en pause en fonction de son état actuel ; Molette (roulement) : en plaçant la souris sur l’espace utilisé par le média (hover), la molette de la souris n’exerce plus l’effet habituel de scroll de la page, mais diminue ou (...) -
MediaSPIP version 0.1 Beta
16 avril 2011, parMediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Pour avoir une installation fonctionnelle, 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 (...)
Sur d’autres sites (10117)
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No valid H.264 encoder was found with the ffmpeg installation [closed]
20 juin 2023, par EmJayI installed imageio-ffmpeg properly but encounterd the following error.


Iteration 09990: train_psnr = 20.76 test_psnr = 0.00 mse = 0.008295: 40%|██████▍ | 9999/25000 [13:15<19:53, 12.57it/s]
Traceback (most recent call last):
 File "/home/Code/OR_NeRF_custom/comparison/TensoRF/train.py", line 429, in <module>
 reconstruction(args)
 File "/home/Code/OR_NeRF_custom/comparison/TensoRF/train.py", line 343, in reconstruction
 PSNRs_test = evaluation(test_dataset, tensorf, args, renderer, f'{logfolder}/imgs_vis/', N_vis=args.N_vis,
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/torch/autograd/grad_mode.py", line 27, in decorate_context
 return func(*args, **kwargs)
 File "/home/Code/OR_NeRF_custom/comparison/TensoRF/renderer.py", line 78, in evaluation
 imageio.mimwrite(f'{savePath}/{prtx}video.mp4', np.stack(rgb_maps), fps=30, quality=10)
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/imageio/v2.py", line 495, in
mimwrite
 return file.write(ims, is_batch=True, **kwargs)
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/imageio/core/legacy_plugin_wrapper.py", line 253, in write
 writer.append_data(image, metadata)
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/imageio/core/format.py", line 590, in append_data
 return self._append_data(im, total_meta)
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/imageio/plugins/ffmpeg.py", line 587, in _append_data
 self._initialize()
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/imageio/plugins/ffmpeg.py", line 648, in _initialize
 self._write_gen.send(None)
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/imageio_ffmpeg/_io.py", line
509, in write_frames
 codec = get_first_available_h264_encoder()
 File "/home/Home/Install/anaconda3/envs/ornerf/lib/python3.9/site-packages/imageio_ffmpeg/_io.py", line
130, in get_first_available_h264_encoder
 raise RuntimeError(
RuntimeError: No valid H.264 encoder was found with the ffmpeg installation
</module>

These are the installed libraries starts with 'im' listed by conda.


imagecodecs 2021.8.26 py39hfcb8610_2
imageio 2.31.1 pyh24c5eb1_0 conda-forge
imageio-ffmpeg 0.4.8 pyhd8ed1ab_0 conda-forge
imagemagick 7.1.1_5 pl5321h211c493_1 conda-forge
imgaug 0.4.0 pypi_0 pypi
importlib-metadata 6.6.0 pypi_0 pypi
importlib-resources 5.12.0 pypi_0 pypi


Since I'm not capable of using sudo, I hope the suggested answers to be independent to sudo instruction.


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I need help merging two videos with ffpmeg
25 juillet 2023, par WolparzinsI get an error when I try to merge two videos with FFMPEG.
It should take the resolution etc. from the first video.
I get the following error :




Input link in0:v0 parameters (size 1080x1920, SAR 1:1) do not match the corresponding output link in0:v0 parameters (1080x1920, SAR 4:5)




My console arguments are :


-y -i "/home/test/Videos/Videos/First Video.mp4" -i "/home/test/Videos/Videos/Reference_Sub_884.mp4" -filter_complex "[0:v][1:v]scale2ref=iw:-2[v0][v1];[v0][0:a][v1][1:a]concat=n=2:v=1:a=1[out]" -map "[out]" -r 30 -b:v 2M "/home/test/Videos/Output/First Video.mp4_Reference_Sub_884.mp4"


Can anyone help me with this ?


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Issue with FFMPEG drawtext
25 septembre 2018, par Tim Bakerffmpeg -i /home/mysite/public_html/videos/thankyou/thankyou_1.mp4 -strict -2 -vf
"[in]drawtext=fontfile=/home/mysite/fonts/OswaldFont/Oswald-Bold.ttf: x=450:
y=150: fontsize=152: fontcolor=0xAE0216@1: draw='if(gt(n,40),lt(n,300))':
text='THANK YOU',drawtext=fontfile=/home/mysite/fonts/OswaldFont/Oswald-Bold.ttf:
x=450: y=320: fontsize=200: fontcolor=0xAE0216@1: draw='if(gt(n,50),lt(n,300))':
text='JAMISON'" /home/mysite/public_html/videos/thankyou_2.mp4When running the above, I’m getting the following. It seems to run properly on other distributions. Not sure where to check next.
[Parsed_drawtext_0 @ 0x2835480] Option 'draw' not found
[AVFilterGraph @ 0x283f980] Error initializing filter 'drawtext' with args 'fontfile=/home/mysite/fonts/OswaldFont/Oswald-Bold.ttf: x=450: y=150: fontsize=152: fontcolor=0xAE0216@1: draw=if(gt(n,40),lt(n,300)): text=THANK YOU'
Error opening filters!Additionally, this original command works fine in Ubuntu, but give the seen error when running in centOS.
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