TinyButStrong Error in field [var.media_title...]: the key 'media_title' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'.
TinyButStrong Error in field [var.media_title...]: the key 'media_title' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'.
TinyButStrong Error in field [var.media_title...]: the key 'media_title' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'.
TinyButStrong Error in field [var.media_title...]: the key 'media_title' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'.
TinyButStrong Error in field [var.media_title...]: the key 'media_title' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'.
TinyButStrong Error in field [var.media_title...]: the key 'media_title' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'.
TinyButStrong Error in field [var.media_desc...]: the key 'media_desc' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'.
TinyButStrong Error in field [var.media_url...]: the key 'media_url' does not exist or is not set in VarRef. (VarRef seems refers to $GLOBALS) This message can be cancelled using parameter 'noerr'. [var.media_title;onformat=retitle] :: 哇哇3C日誌
FFmpeg is an industry standard, open source, widely used utility for handling video. FFmpeg has many capabilities, including encoding and decoding of all video ...
-y (global). Overwrite output files without asking. -n (global). Do not overwrite output files, and exit immediately if a specified output file already exists ...
To read or write this image file format, specify the name of the '.Y' file. The muxer will automatically open the '.U' and '.V' files as required. The ' ...
This is the complete list that's outputted by ffmpeg when running ffmpeg -h full. ... y ..FV…. set the y crop area expression (default “(in_h-out_h)/2 ...
2021年8月26日 — From my experience, saving only the Y-channel is not possible. This can be used to save single-channel grayscale or alpha-only information.