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• Telegram Bot - Editing Video in Channel Changes Aspect Ratio to Square

  11 octobre 2024, par Shayki Abramczyk

  I'm working on a Telegram bot that processes videos by adding a watermark and then edits the original message to replace the video in a channel post. The issue I'm encountering is that when I edit the message with the new video, the aspect ratio changes, and the video becomes a square, even though the original video is in vertical format.

  


  Here’s a simplified version of the code I’m using to edit the message with the processed video :

  


  video_file = await video.get_file()
print(video_file)
random = randint(0,9999)
input_path = f"input_{user_id}_{random}.mp4"
output_path = f"output_{user_id}_{random}.mp4"
await video_file.download_to_drive(input_path)

loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor()
await loop.run_in_executor(executor, process_video_sync, input_path, output_path, watermark_path, settings)

try:
    if return_file:
        return open(output_path, 'rb')
    if channel:
        chat_id = post.chat_id
        message_id = post.message_id
        caption = post.caption if post.caption else ""
        if settings['has_signature']:
            signature = settings['signature']
        else:
            caption = post.caption_html if post.caption_html else (post.caption or "")
        video_clip = VideoFileClip(output_path)
        await context.bot.edit_message_media(
            chat_id=chat_id,
            message_id=message_id,
            media=InputMediaVideo(media=open(output_path, 'rb'), width=video_clip.w, height=video_clip.h, caption=caption, parse_mode="HTML")
        )
    elif update.message:
        caption = update.message.caption if update.message.caption else ""
        video_clip = VideoFileClip(output_path)
        
        with open(output_path, 'rb') as video_file:
            await update.message.reply_video(
                video=InputFile(video_file),
                caption=caption,
                width=video_clip.w,
                height=video_clip.h,
                supports_streaming=True
            )
except Exception as e:
    logger.error("Error in sending video. Exception Type:", e.args[0][0], "Message:", e.args[0][1])
finally:
    os.remove(input_path)
    os.remove(output_path)


  


  When editing the message in a channel, the video’s aspect ratio changes from vertical to square (if the video is horizonal it's ok). However, if I send the video as a new message, the aspect ratio remains correct.

  


  How can I ensure that when I edit the video in the channel, the aspect ratio stays the same as the original, and doesn’t get cropped or turned into a square ?

  


• avfilter/vsrc_gradients : add square type

  26 novembre 2023, par Paul B Mahol

  avfilter/vsrc_gradients : add square type
  

  • [DH] doc/filters.texi
  • [DH] libavfilter/vsrc_gradients.c

• converting png to movies with R via ffmpeg

  10 mai 2021, par user237554

  I want to convert a series of *.png files to a movie with R and have installed ffmpeg in the root directory. I think the installation has been successful because if I type

  


       ffmpeg -version


  


  in terminal I get all of the version information etc., etc.

  


  I have my *.png files saved in the wd and in R I say

  


      imgs <- list.files(pattern="*.png")
        saveVideo({
        for(img in imgs){
          im <- magick::image_read(img)
          plot(as.raster(im))
        }
      })


  


  I get an error message that "the command ""ffmpeg"" is not available in your system. Please install FFmpeg". Is there something I need to do to get R and ffmpeg to talk to each other ? Again, from terminal, ffmpeg is in the directory and it looks like it installed.

  


  thanks