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brtv-generate-title-slides.sh - bitreich-tv - Meme TV encoding and streaming |
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git clone git://bitreich.org/bitreich-tv git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/bitreich-tv (git://bitreich.org) |
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Log |
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LICENSE |
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--- |
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brtv-generate-title-slides.sh (1626B) |
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--- |
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1 #!/bin/sh |
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2 # generate title slide animation for each hashtag in file specified by stdin. |
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3 # stdin would typically be annna's module/hashtags/hashtags.txt |
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4 # requirements: ffmpeg(1), convert(1) |
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5 |
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6 |
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7 ### CONFIGURATION START |
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8 |
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9 # output title animations dir |
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10 title="/br/gopher/tv/title" |
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11 |
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12 # ffmpeg flags for generated videos |
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13 video_ext="webm" |
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14 ffmpeg_codec="-loglevel error -acodec libopus -b:a 96K -f webm -vf scale=1280:-1 -r 30 -ac 2" |
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15 |
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16 # target video resolution |
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17 video_resolution=1280x720 |
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18 |
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19 # slide style |
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20 # xc:$color ( https://imagemagick.org/script/color.php ) |
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21 # /some/file.png |
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22 bgcontent=/br/gopher/tv/bitreich-tv-bg.png |
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23 fgcontent=/br/gopher/tv/bitreich-tv-title-fg.png |
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24 |
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25 # show title slides for this duration [s] |
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26 title_display_time=5 |
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27 |
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28 # logo to draw in background |
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29 logo="bitreichtv.vtv" |
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30 |
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31 ### CONFIGURATION END |
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32 |
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33 |
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34 temp="$(mktemp).png" |
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35 |
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36 title_slide() { |
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37 # Don't forget the whitespace at the end of the logo. |
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38 convert -font "Liberation-Mono" \ |
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39 -size "$video_resolution" \ |
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40 "${bgcontent}" \ |
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41 "${fgcontent}" \ |
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42 -gravity center \ |
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43 -composite \ |
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44 -stroke '#000000' \ |
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45 -strokewidth 2 \ |
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46 -fill '#FFFFFF' \ |
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47 -gravity north \ |
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48 -pointsize 13 \ |
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49 -draw "text -70,240 '$(cat "$logo")' " \ |
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50 -draw "text -70,520 'Playing: ${1}'" \ |
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51 "$temp" |
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52 |
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53 ffmpeg -y \ |
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54 -f lavfi \ |
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55 -i anullsrc=r=48000 \ |
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56 -i "$temp" \ |
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57 -t "${title_display_time}" \ |
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58 $ffmpeg_codec \ |
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59 "$2" < /dev/null |
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60 printf '%s\n' "$2" |
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61 } |
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62 |
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63 mkdir -p "$title" |
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64 |
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65 # make title slide for every tag in first column of stdin |
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66 # (if title slide doesn't already exist) |
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67 while read -r tag url; do |
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68 out="${title}/${tag#\#}.${video_ext}" |
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69 if [ ! -f "$out" ]; then |
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70 title_slide "$tag" "$out" |
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71 fi |
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72 done |
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