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tbrtv-generate-title-slides.sh - bitreich-tv - meme tv encoding and streaming |
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git clone git://src.adamsgaard.dk/bitreich-tv (git://src.adamsgaard.dk) |
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Log |
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Files |
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Refs |
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LICENSE |
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--- |
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tbrtv-generate-title-slides.sh (1333B) |
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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 bgcolor=magenta |
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21 fgcolor=white |
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22 |
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23 # show title slides for this duration [s] |
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24 title_display_time=5 |
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25 |
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26 # logo to draw in background |
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27 logo="bitreichtv.vtv" |
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28 |
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29 ### CONFIGURATION END |
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30 |
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31 |
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32 temp="$(mktemp).png" |
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33 |
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34 title_slide() { |
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35 convert -font Courier -size "$video_resolution" "xc:${bgcolor}" \ |
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36 -gravity north -pointsize 22 \ |
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37 -draw "text 0,80 '$(cat "$logo")'" \ |
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38 -gravity south -pointsize 54 -fill "xc:${fgcolor}" \ |
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39 -draw "text 0,100 '${1}'" "$temp" |
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40 ffmpeg -y \ |
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41 -f lavfi \ |
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42 -i anullsrc=r=48000 \ |
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43 -i "$temp" \ |
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44 -t "${title_display_time}" \ |
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45 $ffmpeg_codec \ |
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46 "$2" < /dev/null |
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47 printf '%s\n' "$2" |
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48 } |
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49 |
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50 mkdir -p "$title" |
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51 |
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52 # make title slide for every tag in first column of stdin |
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53 # (if title slide doesn't already exist) |
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54 while read -r tag url; do |
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55 out="${title}/${tag#\#}.${video_ext}" |
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56 if [ ! -f "$out" ]; then |
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57 title_slide "$tag" "$out" |
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58 fi |
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59 done |
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