Add a script to create a gif from a video

.aliases

@@ -916,6 +916,18 @@ download_mp4() {
 }
 
 # Download from m3u8 stream to mp4.
+# You can supply a local file or a URL to the m3u8 file. If the request requires cookies then the easiest way to do it is to
+# run the ffmpeg command yourself using this as the example format:
+#
+# ffmpeg -protocol_whitelist file,https,crypto,tls,tcp -headers $'Cookie: CloudFront-Policy=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__; CloudFront-Signature=H0RwSHRX9y4PIqbAmxtEoGEPbO5da%7EW764sbHBXcPwnSSuq5PcjPM2UuP1YKL%7E92WcRTEiJ9FMDVbxNtPDZea2lCk9txvpHdmn7BBy6JNwKd-%7ED9RKq3SSqB00O8P1VkztKtkALYgn8lq3ihk7Nss0wYE9WxgvNNU30umcP-wSHFtuiGsbArivbWvu639Ku5bkfwm8azXI9hvz5D7OtwSyo3z%7E8trw3rALDwCgHZiqQrEQtfN4NYAWZ%7EuzdcGRgdUVmMQotBHG0WpPDItqBR9RLVel%7EWB0mQOO3Dax9DnGHlBaBs5mdR28NqOj8XCY4pAhguJQlERcANIK2WXm56dA__; CloudFront-Key-Pair-Id=APK3IWIJLRLBNXI2PR4Q\r\n' -i https://video.stellartickets.com/organizations/2ad4a0ac-bec7-4863-a0f1-36247cc83d23/transcoded/91afb281-07-20-23_Krazam_Presents_index_1080p_20230721T024151_1.m3u8 -acodec copy -vcodec copy krazam.mp4
+#
+# You can get the cookie header value from the browser's dev tools network
+# page. I tried adding support to this function so that you can just pass the
+# cookie value as an arg but it would not work and I don't want to waste more
+# time on it.
+#
+# If you need to debug the http request then add "-v trace" to the command above.
+#
 download_from_m3u8() {
     local m3u8_path="$1"
     local filename="$2"

dotfiles/bin/create-gif-from-video

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+if which tput >/dev/null 2>&1; then
+    ncolors=$(tput colors)
+fi
+if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
+    RED="$(tput setaf 1)"
+    GREEN="$(tput setaf 2)"
+    YELLOW="$(tput setaf 3)"
+    BLUE="$(tput setaf 4)"
+    MAGENTA="$(tput setaf 5)"
+    CYAN="$(tput setaf 6)"
+    BOLD="$(tput bold)"
+    NORMAL="$(tput sgr0)"
+else
+    RED=""
+    GREEN=""
+    YELLOW=""
+    BLUE=""
+    MAGENTA=""
+    CYAN=""
+    BOLD=""
+    NORMAL=""
+fi
+
+filename=$(basename -- "$1")
+output_name="$2"
+width="$3"
+
+if [[ $filename == "" || $output_name == "" ]]; then
+    printf "${BOLD}${RED}Usage: create-gif-from-video <filename> <output name> <optional width, defaults to 240>${NORMAL}\n"
+    exit 1
+fi
+
+output="${output_name}.gif"
+if [[ $width == "" ]]; then
+    width=240
+fi
+
+printf "\n${YELLOW}${BOLD}Creating a gif from '$filename' | output: $output | width: $width${NORMAL}\n"
+
+ffmpeg -y -stats -loglevel level+error -i "$filename" -vf "fps=24,scale=$width:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" -loop 0 "$output"
+
+printf "\n${GREEN}${BOLD}Finished!${NORMAL}\n\n"
+