Check if input file is valid video before attempting to encode - bitreich-tv - Meme TV encoding and streaming
 (HTM) git clone git://bitreich.org/bitreich-tv git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/bitreich-tv
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       ---
 (DIR) commit 6f3514847865e21a214ade45b3c8c01cf9cda678
 (DIR) parent beded2279cdfa35a7d896bfa5729b2dbddec92c6
 (HTM) Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Thu, 13 Aug 2020 10:08:07 +0200
       
       Check if input file is valid video before attempting to encode
       
       Diffstat:
         M brtv-start.sh                       |       5 ++++-
       
       1 file changed, 4 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/brtv-start.sh b/brtv-start.sh
       @@ -86,7 +86,10 @@ title_slide() {
        
        video_conv() {
                printf 'encode %s -> %s\n' "$1" "$2"
       -        ffmpeg -y -i "$1" $ffmpeg_codec -max_muxing_queue_size 1024 "$2"
       +        if ! regeximatch "$(file -ib "$f")" "^video\/"; then
       +                die "input video $1 is invalid ($(file -b "$1"))"
       +        fi
       +        ffmpeg -y -i "$1" $ffmpeg_codec "$2"
        }
        
        mkdir -p "$title"