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triky_s_imagemagick_a_ffmpeg [2012/07/28 19:32] – ubuntu | triky_s_imagemagick_a_ffmpeg [2019/02/25 18:21] (aktuální) – upraveno mimo DokuWiki 127.0.0.1 | ||
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+ | ====== Triky s imagemagick a ffmpeg ====== | ||
+ | |||
+ | Na stránce se pracuje! | ||
+ | |||
+ | http:// | ||
+ | |||
+ | === ffmpeg === | ||
+ | **Vytvoří video z obrázků s FPS 5** | ||
+ | < | ||
+ | ffmpeg -r 5 -qscale 1 -i serazeno/ | ||
+ | </ | ||
+ | **Zkopíruje obrázky do nové složky a před název doplní nuly do počtu znaků 8** | ||
+ | < | ||
+ | x=1; | ||
+ | rm serazeno/* | ||
+ | for f in silvestr/ | ||
+ | cp $f serazeno/ | ||
+ | let " | ||
+ | done | ||
+ | </ | ||
+ | < | ||
+ | i=1; | ||
+ | x=1; | ||
+ | count=1; | ||
+ | rm serazeno/* | ||
+ | for f in bourka/ | ||
+ | if [ $x == 20 ]; then | ||
+ | cp $f serazeno/ | ||
+ | let count++; | ||
+ | x=0; | ||
+ | else | ||
+ | let x++; | ||
+ | fi | ||
+ | echo $i; | ||
+ | let i++; | ||
+ | done | ||
+ | </ | ||
+ | %%x=0;for i in *.avi; do let x++; mkdir " | ||
+ | |||
+ | < | ||
+ | x=10000;for i in *.png; do let x--; cp " | ||
+ | </ | ||
+ | < | ||
+ | ffmpeg -i video.avi -ss 01:17:20 -t 00:00:41 -sameq video-strih.avi | ||
+ | </ | ||
+ | < | ||
+ | ffmpeg -i video.avi -r 16 -f image2 / | ||
+ | ffmpeg -qscale 1 -i / | ||
+ | </ | ||
+ | http:// | ||
+ | http:// | ||
+ | |||
+ | < | ||
+ | montage -size 400x400 null: ../ | ||
+ | -auto-orient | ||
+ | -bordercolor Lavender -background black +polaroid -resize 30% \ | ||
+ | -gravity center -background none -extent 80x80 \ | ||
+ | -background SkyBlue -geometry -10+2 -tile x1 polaroid_overlap.jpg | ||
+ | </ | ||
+ | < | ||
+ | convert -size 100x100 xc: -channel G -fx ' | ||
+ | convert -size 100x100 xc: -channel G -fx ' | ||
+ | convert -font Candice -gravity center -size 200x50 label:' | ||
+ | convert map_p_angular.png map_p_radial.png text.jpg -fx ' | ||
+ | |||
+ | convert -size 90x80 xc:white xc: | ||
+ | convert holocaust_tn.gif -extent 200x90 | ||
+ | |||
+ | convert -size 768x288 xc:black black.png | ||
+ | convert black.png +append pen1.jpg | ||
+ | cp pen2.jpg pen1.jpg | ||
+ | composite -geometry +360+100 pen1.jpg pen2.jpg out.png | ||
+ | composite -geometry +360+100 pen1.jpg pen2.jpg -resize 1024x768 out.png | ||
+ | |||
+ | convert -modulate 10,100,100 00059.png 0000.png | ||
+ | </ | ||
+ | < | ||
+ | sox input.wav output.wav pitch 1500^C | ||
+ | sox input.wav output.wav speed 1.3 | ||
+ | </ | ||
+ | < | ||
+ | 101 apt-get install libavcodec-extra-52 | ||
+ | 102 bash aac2mp3.sh sound.aac | ||
+ | 103 sox sound.aac.mp3 sound.png spectrogram | ||
+ | 104 mplayer -ao pcm sound.aac -ao pcm: | ||
+ | 105 mplayer -ao pcm faad sound.aac -ao pcm: | ||
+ | 106 sox outfile.wav sound.png spectrogram | ||
+ | 107 sox outfile.wav sound.jpg spectrogram | ||
+ | 108 sox outfile.wav tempo factor 7.5 out.wav | ||
+ | 109 sox outfile.wav -n spectrogram | ||
+ | 110 sox outfile.wav spped.wav speed 7.5 | ||
+ | 111 sox outfile.wav spped.wav speed 7 | ||
+ | 112 sox outfile.wav spped.wav speed 7.3 | ||
+ | 113 sox outfile.wav spped.wav speed 7.4 | ||
+ | 114 sox outfile.wav spped.wav speed 7 | ||
+ | 115 sox outfile.wav spped.wav speed 6.5 | ||
+ | 116 sox outfile.wav spped.wav speed 6.4 | ||
+ | 117 sox outfile.wav spped.wav speed 6.43 | ||
+ | 118 sox outfile.wav spped.wav speed 6.48 | ||
+ | 119 sox outfile.wav spped.wav speed 6.34 | ||
+ | 120 sox outfile.wav spped.wav speed 6.3 | ||
+ | 121 sox outfile.wav spped.wav speed 6.26 | ||
+ | 122 sox outfile.wav spped.wav speed 6.255 | ||
+ | 123 sox outfile.wav spped.wav speed 6.25 | ||
+ | 124 EXIT | ||
+ | 125 exit | ||
+ | 126 cd / | ||
+ | 127 ls | ||
+ | 128 avimerge --help | ||
+ | 129 avimerge -i video1.avi video2.avi -o video.avi | ||
+ | 130 vlc video.avi | ||
+ | 131 ffmpeg -i GOPR0028.MP4 -vn -acodec pcm_s16le -ar 44100 -ac 2 sound.wav | ||
+ | 132 ffmpeg -i GOPR0028.MP4 -vn -acodec pcm_s16le -ar 44100 -ac 2 sound.mp3 | ||
+ | 133 ffmpeg -i GOPR0028.MP4 -ab 128 -ar 44100 nodame_theme.mp3 | ||
+ | 134 ffmpeg -i GOPR0028.MP4 -ab 128 nodame_theme.mp3 | ||
+ | 135 ffmpeg -i GOPR0028.MP4 nodame_theme.mp3 | ||
+ | 136 mediainfo | ||
+ | 137 ffmpeg GOPR0028.MP4 | ||
+ | 138 ffmpeg -i GOPR0028.MP4 | ||
+ | 139 ffmpeg -i GOPR0028.MP4 sound.aac | ||
+ | </ |