Simplify the convert video to mp4 scripts

.aliases

@@ -353,32 +353,52 @@ make_vid_dir_and_cd_into() {
 function my_transcribe_video() {
     file="$1"
     output="$2"
+    include_small=$3
+    start_time="$4"
+    end_time="$5"
+
     if [[ $file == "" ]]; then
-        printf "Usage: <input video> <optional output name>\n"
+        error "Usage: <input video> <optional output name> <optional include small model (1 or 0)> <optional start time> <optional end time>"
         return
     fi
     if [[ $output == "" ]]; then
         output="${1%.*}"  # just use the input name without the extension.
     fi
+
+    if [[ $start_time == "" ]]; then start_time="0"; fi
+    if [[ $end_time   == "" ]]; then end_time="0"; fi
+
     # Tiny is fast and semi-accurate, so whatever.
     # Base is pretty good overall. It has good punctuation inserting and
     # catches most words. Small and medium can do better word detection at
     # times, but suffer from bad punctuation. Medium is particularly bad and
     # not adding commas and periods.
-    transcribe-video "$file" "$output" tiny base
+    if [[ $include_small -eq 1 ]]; then
+        transcribe-video "$file" "$output" $start_time $end_time tiny base small
+    else
+        transcribe-video "$file" "$output" $start_time $end_time tiny base
+    fi
 }
 
 function my_transcribe_video_all_models() {
     file="$1"
     output="$2"
+    start_time="$3"
+    end_time="$4"
+
     if [[ $file == "" ]]; then
-        printf "Usage: <input video> <optional output name>\n"
+        error "Usage: <input video> <optional output name> <optional start time> <optional end time>"
         return
     fi
+
     if [[ $output == "" ]]; then
         output="${1%.*}"   # just use the input name without the extension.
     fi
-    transcribe-video "$file" "$output" tiny base small medium
+
+    if [[ $start_time == "" ]]; then start_time="0"; fi
+    if [[ $end_time   == "" ]]; then end_time="0"; fi
+
+    transcribe-video "$file" "$output" $start_time $end_time tiny base small medium
 }
 
 
@@ -544,6 +564,14 @@ download_youtube_uploads_list() {
     printf "${BOLD}Finished downloading the upload list\n${NORMAL}"
 }
 
+function download_youtube_audio() {
+    if [[ $1 == "" ]]; then
+        error "Usage: <url>"
+        return
+    fi
+    yt-dlp.exe -f "140" "$1"
+}
+
 # Download Twitch chat transcript
 actually_download_twitch_chat() {
     local url="$1"
@@ -903,7 +931,19 @@ download_mp4() {
 }
 
 # Download from m3u8 stream to mp4.
-download_from_m3u8() {
+# 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_mp4_from_m3u8() {
     local m3u8_path="$1"
     local filename="$2"
 
@@ -923,6 +963,27 @@ download_from_m3u8() {
     printf "${BOLD}Finished downloading ${YELLOW}$filename${NORMAL}\n"
 }
 
+# Same notes from above regarding cookies/headers.
+download_aac_from_m3u8() {
+    local m3u8_path="$1"
+    local filename="$2"
+
+    if [[ $m3u8_path == "" || $filename == "" ]]; then
+        error "Usage: <m3u8 path> <filename>"
+        return
+    fi
+
+    printf "${BOLD}Downloading: ${YELLOW}$filename${NORMAL}\n"
+    ffmpeg.exe -protocol_whitelist file,https,crypto,tls,tcp -i $m3u8_path -acodec copy "${filename}.aac"
+
+    if [[ $? -ne 0 ]]; then
+        error "Error: failed to download."
+        return
+    fi
+
+    printf "${BOLD}Finished downloading ${YELLOW}$filename${NORMAL}\n"
+}
+
 
 #-------------------------------------------------
 # YouTube Vid DL
@@ -949,7 +1010,7 @@ alias yt-playlist-list='download_youtube_playlist_list '
 alias yt-playlist-1080='download_youtube_playlist "137+140"'
 alias yt-playlist-720='download_youtube_playlist  "136+140"'
 alias yt-playlist-tiny='download_youtube_playlist "160+140"'
-alias yt-audio='yt-dlp.exe -f "140"'
+alias yt-audio='download_youtube_audio'
 
 #-------------------------------------------------
 # Twitch Vid DL
@@ -1047,7 +1108,8 @@ alias twitter='download_twitter_vid "" '
 # Misc
 #-------------------------------------------------
 alias download-mp4='download_mp4'
-alias download-from-m3u8='download_from_m3u8'
+alias download-from-m3u8='download_mp4_from_m3u8'
+alias download-audio-from-m3u8='download_aac_from_m3u8'
 
 ####################################################################################################
 # Video Compression

.vimrc

@@ -374,8 +374,6 @@ set complete-=i                   " Don't scan all included files since it's rea
 set termguicolors
 syntax on                         " Enable highlighting for syntax
 
-let g:netrw_dirhistmax = 0        " Disable netrw
-
 set wildmenu
 set wildmode=longest,list,full
 set wildignore+=*/log/*,*.so,*.swp,*.zip,*/rdoc/*
@@ -658,7 +656,7 @@ vnoremap p "_dP
 
 " Switch between C++ source and header files.
 noremap <leader>v :e %:p:s,.h$,.X123X,:s,.cpp$,.h,:s,.X123X$,.cpp,<CR>
-"noremap <leader>vv :e %:p:s,.h$,.X123X,:s,.c$,.h,:s,.X123X$,.c,<CR>
+noremap <leader>vv :e %:p:s,.h$,.X123X,:s,.c$,.h,:s,.X123X$,.c,<CR>
 "noremap <leader>vvv :e %:p:s,.h$,.X123X,:s,.cc$,.h,:s,.X123X$,.cc,<CR>
 
 " Replace all instances of the highlighted text with whatever you enter.
@@ -1215,6 +1213,7 @@ fu! Build(optimized=0, silent=0)
 
     let l:is_jai = 0
     let l:has_jai_build_file = 0
+    let l:has_jai_first_file = 1
 
     let l:ext = tolower(expand('%:e'))
     let l:current_dir  = expand('%:p:h')
@@ -1227,16 +1226,24 @@ fu! Build(optimized=0, silent=0)
 
         " Check for a build file in the current directory or one directory back
         " (e.g. we're in modules/ or src/, code/, etc)
-        if filereadable(l:current_dir . "/build.jai") || filereadable(l:one_dir_back . "/build.jai")
+        if filereadable(l:current_dir . "/build.jai") || filereadable(l:one_dir_back . "/build.jai") || filereadable(l:current_dir . "/first.jai") || filereadable(l:one_dir_back . "/first.jai")
             let l:has_jai_build_file = 1
 
             if filereadable(l:current_dir . "/build.jai") == 1
                 let l:cmd = "jai ". l:current_dir . "/build.jai"
+            elseif filereadable(l:current_dir . "/first.jai") == 1
+                let l:cmd = "jai ". l:current_dir . "/first.jai"
+                let l:has_jai_first_file = 1
             else
                 " It's one directory back. We don't want to include '../' in
                 " the cmd because then our reported paths in the program get
                 " botched, e.g. path shown in an assert error.
-                let l:cmd = "jai " . l:one_dir_back . "/build.jai"
+                if filereadable(l:one_dir_back . "/build.jai") == 1
+                    let l:cmd = "jai " . l:one_dir_back . "/build.jai"
+                else
+                    let l:cmd = "jai " . l:one_dir_back . "/first.jai"
+                    let l:has_jai_first_file = 1
+                endif
             endif
         else
             let l:cmd = "jai % "
@@ -1253,18 +1260,23 @@ fu! Build(optimized=0, silent=0)
         let l:set_metaprogram_args = 0
 
         if l:has_jai_build_file
+            let l:filename = "build.jai"
+            if l:has_jai_first_file
+                let l:filename = "first.jai"
+            endif
+
             if a:optimized == 1
-                echo "Compiling release build.jai"
+                echo "Compiling release " . l:filename
                 " @note We pass 'release' as a user metaprogram arg for the
                 " build file to parse in case it cares about that. -release is
                 " a compiler arg that we also include because some build
                 " scripts won't be looking at the user metaprogram args.
                 " We also don't bother adding an import directory for local modules
                 " because the build file should manage that sort of thing for us.
-                let l:cmd .= " -release - release"
+                let l:cmd .= " -release - -release"
                 let l:set_metaprogram_args = 1
             else
-                echo "Compiling debug build.jai"
+                echo "Compiling debug " . l:filename
             endif
         else
             if a:optimized == 1

dotfiles/bin/add-audio-to-video

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+# Re-encodes the video with a new primary audio channel.
+
+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="$(tput sgr0)"
+else
+    RED=""
+    GREEN=""
+    YELLOW=""
+    BLUE=""
+    MAGENTA=""
+    CYAN=""
+    BOLD=""
+    NORMAL=""
+fi
+
+vid_filename=$(basename -- "$1")
+audio_filename=$(basename -- "$2")
+output_name="$3"
+
+if [[ $vid_filename == "" || $audio_filename == "" || $output_name == "" ]]; then
+    printf "${BOLD}${RED}Usage: add-audio-to-video <video filename> <audio filename> <output name>${NORMAL}\n"
+    exit 1
+fi
+
+vid_extension="${vid_filename##*.}"
+vid_filename="${vid_filename%.*}"
+
+audio_extension="${audio_filename##*.}"
+audio_filename="${audio_filename%.*}"
+
+output="${output_name}.$vid_extension"
+
+audio_encoding_opts="-c:a copy"
+if [[ $audio_extension == "wav" ]]; then
+    # Re-encode the audio.
+    audio_encoding_opts="-c:a aac -b:a 192k"
+fi
+
+printf "\n${YELLOW}${BOLD}Adding audio '$audio_filename.$audio_extension' to '$vid_filename.$vid_extension' | output: $output${NORMAL}\n"
+
+# -shortest handles the inputs not being the same duration. Conversion will stop when the shortest input's end is reached.
+# Alternatively you can loop with "-stream_loop -1"
+ffmpeg -y -stats -loglevel level+error -i "$vid_filename.$vid_extension" -i "$audio_filename.$audio_extension" -c:v copy -map 0:v:0 -map 1:a:0 $audio_encoding_opts -shortest "$output"
+
+printf "\n${GREEN}${BOLD}Finished adding audio${NORMAL}\n\n"
+

dotfiles/bin/analyze-volume

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+# Use this to get a volume report from a video or audio file. You can use this
+# info manually normalize or increase/decrease the volume using the
+# change-volume script, supplying it the volume delta you want. Typically you
+# use the delta from the analysis report this script provides, e.g. if the
+# max_volume is -5 db then you would call change-volume with a value of 5. I
+# find that the two pass normalize-audio script works better than this
+# approach...but it will take longer to run!
+#
+# Inspired by https://superuser.com/a/323127 and https://superuser.com/a/1312885
+
+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
+
+if [[ $1 == "" ]]; then
+    printf "${BOLD}${RED}Usage: analyze-volume <video or audio filename>${NORMAL}\n"
+    exit 1
+fi
+
+filename="$1"
+
+printf "\n${YELLOW}${BOLD}Analyzing audio in $filename${NORMAL}\n"
+
+# -vn, -sn,  and -dn tells ffmpeg to ignore non-audio streams during the analysis. This speeds things up.
+cmd="ffmpeg -i \"$filename\" -af volumedetect -vn -sn -dn -f null /dev/null"
+printf "\n${BOLD}Running: $cmd\n\n${NORMAL}"
+eval $cmd
+
+printf "\n${GREEN}${BOLD}Done analyzing audio in $filename\n${NORMAL}"
+printf "\n${YELLOW}${BOLD}Look at the reported max_volume value. If != 0 then call the change-volume script, passing it the filename, an output name and the delta to bring the volume to 0.\ne.g. if the max_volume is -5 db, then you would pass 5.${NORMAL}\n\n"
+

dotfiles/bin/antimalware-service-disable.bat

@@ -7,8 +7,7 @@ if not "%1"=="am_admin" (
     exit /b
 )
 
-rem USE AT OWN RISK AS IS WITHOUT WARRANTY OF ANY KIND !!!!!
+rem NOTE: Defender may see this file as malware, so you might need to exclude this before things can be disabled.
-rem NOTE: Defender may see this file as malware, so you will likely need to exclude this before things can be disabled.
 rem
 rem Modified version of
 rem https://raw.githubusercontent.com/mattreecebentley/win10_disable_defender/main/win10_enable_defender.bat
@@ -94,7 +93,7 @@ reg add HKLM\SYSTEM\Setup /v DisabledDefenderServices /t REG_DWORD /d 1 /f
 
 echo.
 echo Windows Defender has (hopefully) been disabled.
-echo You should still be able to scan files going forward. Also, the Antimalware Service Executable should immediately stop using CPU cycles.
+echo You might still be able to scan files going forward depending on your version of Windows. Also, the Antimalware Service Executable should immediately stop using CPU cycles.
 echo Please restart your computer to see all changes.
 
 goto eof
@@ -104,4 +103,4 @@ echo Defender has already been disabled by this script.
 
 :eof
 echo.
-pause
+pause

dotfiles/bin/antimalware-service-enable.bat

@@ -105,4 +105,4 @@ echo Defender has already been enabled by this script.
 
 :eof
 echo.
-pause
+pause

dotfiles/bin/aws-list-deep-glacier-files

@@ -1,5 +1,30 @@
 #!/usr/bin/env bash
 
+# Creates a file containing the names of all files in a specific bucket.
+#
+# e.g. aws-list-deep-glacier-files my-deep-glacier images image_list
+#
+# You'll need the aws cli tools. Download them from https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html
+#
+# If you see an error like along the lines of "'charmap' codec can't encode
+# character '\u200e' in position 42: character maps to <undefined>" then that
+# means a filename has a Unicode codepoint and the dumb aws Python code is
+# trying to read it using your system's locale, which is very likely not set to
+# use the Windows UTF-8 beta feature. This is an ongoing issue in this tool
+# that goes back to 2013!!! There's no way to fix it using environment
+# variables, at least nothing worked for me. The fix provided by the devs is
+# heavy handed: you change your system locale to use UTF-8... This has
+# consequences though like breaking legacy apps that don't have Unicode support
+# and I'm sure other weird things will happen, such as file corruption. Anyway,
+# if you're getting this charmap error then I suggest changing your system
+# locale, run this again, then switch back to your previous locale. If you
+# don't get the canonical file name then you won't be able to restore it.
+#
+# You can enable the UTF-8 locale with:
+#
+# win+r -> intl.cpl -> Administrative tab -> Change system locale -> Beta: Use Unicode UTF-8 box.
+#
+
 if which tput >/dev/null 2>&1; then
     ncolors=$(tput colors)
 fi

dotfiles/bin/aws-restore-deep-glacier-folder

@@ -1,10 +1,49 @@
 #!/usr/bin/env bash
 
 #
-# Restores all files/folders inside a particular bucket path,
+# Restores all files/folders inside a particular bucket path for the next 7 days. This uses the bulk retreival tier:
-# e.g. aws-restore-deep-glacier-folder mcampagnaro-deep-glacier images restored_images
+#
-# will restore all files inside the images folder of the mcampagnaro-deep-glacier bucket, saving
+# Bulk retrievals are the lowest-cost retrieval option when restoring objects
-# temp restoration data in the local "restored_images" directory.
+# from S3 Glacier Deep Archive. They typically finish within 48 hours for
+# objects stored in the S3 Glacier Deep Archive storage class or S3
+# Intelligent-Tiering Deep Archive tier.
+#
+# If you need faster access then use the `Expedited` or `Standard` tiers.
+#
+# Example usage:
+#
+# aws-restore-deep-glacier-folder my-deep-glacier-bucket path/to/images restored_images
+#
+# This will create a run.sh script in a folder called "restored_images". Run that to restore all files inside the `path/to/images` folder inside the my-deep-glacier bucket.
+#
+# After you run the generated script, you have to wait for AWS to make the files available for download. You can check the status of a file with:
+#
+# aws s3api head-object --bucket my-deep-glacier --key path/to/images/photo1.jpg
+#
+# (obviously change the bucket and path to suit your needs).
+#
+# Once the files are restored you can download them on the S3 website or better yet use RcloneBrowser. I'm sure there's also a way to do it over cli too, I just haven't checked.
+#
+# You'll need the aws cli tools for this script. Download them from https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html
+# Once installed, open a new shell and verify that you can run the `aws` command.
+#
+# If you see an error like along the lines of "'charmap' codec can't encode
+# character '\u200e' in position 42: character maps to <undefined>" then that
+# means a filename has a Unicode codepoint and the dumb aws Python code is
+# trying to read it using your system's locale, which is very likely not set to
+# use the Windows UTF-8 beta feature. This is an ongoing issue in this tool
+# that goes back to 2013!!! There's no way to fix it using environment
+# variables, at least nothing worked for me. The fix provided by the devs is
+# heavy handed: you change your system locale to use UTF-8... This has
+# consequences though like breaking legacy apps that don't have Unicode support
+# and I'm sure other weird things will happen, such as file corruption. Anyway,
+# if you're getting this charmap error then I suggest changing your system
+# locale, run this again, then switch back to your previous locale. If you
+# don't get the canonical file name then you won't be able to restore it.
+#
+# You can enable the UTF-8 locale with:
+#
+# win+r -> intl.cpl -> Administrative tab -> Change system locale -> Beta: Use Unicode UTF-8 box.
 #
 
 if which tput >/dev/null 2>&1; then
@@ -46,7 +85,7 @@ path="$2"
 temp_dir="$3"
 number_of_objects_per_file=100
 days_available=7
-restore_tier="Bulk" # Can also be "Standard"
+restore_tier="Bulk" # Can also be "Standard" or "Expedited"
 
 if [[ $bucket == "" || $path == "" || $temp_dir == "" ]]; then
     error "Usage: aws-restore-deep-glacier-folder <bucket-name> <path-in-bucket> <local-temp-dir>"
@@ -61,7 +100,7 @@ pushd "$temp_dir" &>/dev/null
 aws s3api list-objects-v2 --bucket $bucket --prefix $path --query "Contents[?StorageClass=='DEEP_ARCHIVE']" --output text | LC_ALL=C awk '{print substr($0, index($0, $2))}' | awk '{NF-=3};3' > all_objects_list.txt
 
 # Generate the main script that will kick off the restoration.
-printf "while read x; do\n    printf \"aws s3api restore-object --restore-request '{\\\\\"Days\\\\\":$days_available,\\\\\"GlacierJobParameters\\\\\":{\\\\\"Tier\\\\\":\\\\\"$restore_tier\\\\\"}}' --bucket $bucket --key \\\\\"\$x\\\\\"\\\\n\"\n    aws s3api restore-object --restore-request \"{\\\\\"Days\\\\\":$days_available,\\\\\"GlacierJobParameters\\\\\":{\\\\\"Tier\\\\\":\\\\\"$restore_tier\\\\\"}}\" --bucket $bucket --key \"\$x\"\ndone < all_objects_list.txt\nprintf \"\\\\nDone! You can now delete this folder.\\\\n\"\n" > run.sh
+printf "while read x; do\n    printf \"aws s3api restore-object --restore-request '{\\\\\"Days\\\\\":$days_available,\\\\\"GlacierJobParameters\\\\\":{\\\\\"Tier\\\\\":\\\\\"$restore_tier\\\\\"}}' --bucket $bucket --key \\\\\"\$x\\\\\"\\\\n\"\n    aws s3api restore-object --restore-request \"{\\\\\"Days\\\\\":$days_available,\\\\\"GlacierJobParameters\\\\\":{\\\\\"Tier\\\\\":\\\\\"$restore_tier\\\\\"}}\" --bucket $bucket --key \"\$x\"\ndone < all_objects_list.txt\nprintf \"\\\\nDone! You can now delete this folder.\\\\nYour files are currently being restored. The time it takes to restore can be found in the AWS docs - just look for the $restore_tier restore tier, which is what you used.\\\\nOnce restored, download the files from the S3 site or better yet use RCloneBrowser.\\\\n\"\n" > run.sh
 chmod +x run.sh
 
 printf "${BOLD}You can now run ${GREEN}$temp_dir/run.sh${NORMAL}${BOLD} to start the restoration process.\n"

dotfiles/bin/change-volume

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+# Re-encodes the audio, modify the volume based on the supplied db delta. If
+# given a video file then the file is copied as-is. If you want to bring the
+# max_volume to 0 db then call analyze-volume prior to this and pass a delta
+# based on the reported max_volume.
+#
+# Inspired by https://superuser.com/a/323127 and https://superuser.com/a/1312885
+
+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
+
+if [[ $1 == "" ]]; then
+    printf "${BOLD}${RED}Usage: change-volume <video or audio filename> <output name> <volume delta in db>${NORMAL}\n"
+    exit 1
+fi
+
+filename=$(basename -- "$1")
+extension="${filename##*.}"
+filename="${filename%.*}"
+
+output_name="$2"
+delta_db="$3"
+
+if [[ $output_name == "" ]]; then
+    output="${filename}_normalized_audio.$extension"
+else
+    output="${output_name}.$extension"
+fi
+
+printf "\n${YELLOW}${BOLD}Modifying audio volume in $filename.$extension | output: $output | delta: $delta_db${NORMAL}\n"
+
+# Since we're re-encoding the audio we have to specify a codec to use.
+cmd="ffmpeg -y -stats -loglevel level+error -i \"$filename.$extension\" -af \"volume=${delta_db}dB\" -c:v copy -c:a aac -map 0 \"$output\""
+printf "\n${BOLD}Running: $cmd\n\n${NORMAL}"
+eval $cmd
+
+printf "\n${GREEN}${BOLD}Done modifying volume in $filename.$extension | output: $output | delta: $delta_db${NORMAL}\n"
+

dotfiles/bin/compress-video

@@ -26,7 +26,7 @@ fi
 use_gpu=0
 
 if [[ $# < 2 || $# > 3 ]]; then
-    printf "${BOLD}${RED}Usage: $0 <filename> <output name> <optional: use-gpu (1|0), defaults to $use_gpu> ${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: compress-video <filename> <output name> <optional: use-gpu (1|0), defaults to $use_gpu> ${NORMAL}\n"
     exit 1
 fi
 

dotfiles/bin/compress-video-with-crf

@@ -26,7 +26,7 @@ fi
 use_gpu=0
 
 if [[ "$#" < 3 || "$#" > 6 ]]; then
-    printf "${BOLD}${RED}Usage: $0 <crf value> <filename> <output name> <optional: use-gpu (1|0), defaults to $use_gpu> <optional: start time HH:MM:SS> <optional: end time HH:MM:SS>\n\nIf you want to encode a range of CRF values then use -1 as the crf value.${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: compress-video-with-crf <crf value> <filename> <output name> <optional: use-gpu (1|0), defaults to $use_gpu> <optional: start time HH:MM:SS> <optional: end time HH:MM:SS>\n\nIf you want to encode a range of CRF values then use -1 as the crf value.${NORMAL}\n"
     exit 1
 fi
 

dotfiles/bin/convert-video-avi-to-mp4

@@ -1,51 +0,0 @@
-#!/usr/bin/env bash
-
-# This is for reencoding an AVI video. I wasn't able to play the encoded videos
-# on my phone when using libx264 and libx265 encoders, but mpeg4 works. Also
-# I'm using the aac codec because some old avi's were using a codec that's not
-# supported in the mp4 container.
-
-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
-
-if [[ $1 == "" || $2 == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <filename> <bitrate, e.g. \"4000k\"> <optional output name>${NORMAL}\n"
-    exit 1
-fi
-
-filename=$(basename -- "$1")
-extension="${filename##*.}"
-filename="${filename%.*}"
-
-bitrate="$2"
-
-output_name="$3"
-if [[ $output_name == "" ]]; then
-    output="${filename}_CONVERTED-${bitrate}.mp4"
-else
-    output="${output_name}.mp4"
-fi
-
-printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' with target bitrate $bitrate | output: $output${NORMAL}\n"
-ffmpeg -i "$filename.$extension" -c:a aac -c:v mpeg4 -b:v $bitrate "$output"
-printf "\n${GREEN}${BOLD}Done encoding '$filename.$extension' to '$output'${NORMAL}\n\n"

dotfiles/bin/convert-video-flv-to-mp4

@@ -1,64 +0,0 @@
-#!/usr/bin/env bash
-
-# This is for reencoding an FLV video to mp4 using an mpeg4 encoder.
-# Can optionally compress the video.
-
-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
-
-if [[ $1 == "" || $2 == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <compress 1|0> <filename> <optional output name>${NORMAL}\n"
-    exit 1
-fi
-
-compress="$1"
-
-filename=$(basename -- "$2")
-extension="${filename##*.}"
-filename="${filename%.*}"
-
-output="$3"
-if [[ $output == "" ]]; then
-    output="${filename}_CONVERTED"
-fi
-
-printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' | compress: $compress | output: $output.mp4${NORMAL}\n"
-
-if [[ $compress -eq 1 ]]; then
-    temp_output="temp_$output.mp4"
-else
-    temp_output="$output.mp4"
-fi
-
-# convert first.
-# we convert then compress instead of compressing on first pass because this results in a slightly higher bitrate.
-ffmpeg -y -stats -loglevel level+error -vsync 0 -hwaccel cuvid -c:v h264_cuvid -i "$filename.$extension" -c:a aac -c:v h264_nvenc -b:v 5M "$temp_output"
-
-if [[ $compress -eq 1 ]]; then
-    compress-video 1 "$temp_output" "$output"
-    rm "$temp_output"
-else
-    printf "\n"
-fi
-
-printf "${GREEN}${BOLD}Done encoding '$filename.$extension' to '$output.mp4'${NORMAL}\n\n"

dotfiles/bin/convert-video-mkv-to-mp4

@@ -1,64 +0,0 @@
-#!/usr/bin/env bash
-
-# This is for reencoding an mkv video to mp4 using an mpeg4 encoder.
-# Can optionally compress the video.
-
-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
-
-if [[ $1 == "" || $2 == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <compress 1|0> <filename> <optional output name>${NORMAL}\n"
-    exit 1
-fi
-
-compress="$1"
-
-filename=$(basename -- "$2")
-extension="${filename##*.}"
-filename="${filename%.*}"
-
-output="$3"
-if [[ $output == "" ]]; then
-    output="${filename}_CONVERTED"
-fi
-
-printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' | compress: $compress | output: $output.mp4${NORMAL}\n"
-
-if [[ $compress -eq 1 ]]; then
-    temp_output="temp_$output.mp4"
-else
-    temp_output="$output.mp4"
-fi
-
-# convert first.
-# we convert then compress instead of compressing on first pass because this results in a slightly higher bitrate.
-ffmpeg -y -stats -loglevel level+error -i "$filename.$extension" -vcodec copy -acodec copy "$temp_output"
-
-if [[ $compress -eq 1 ]]; then
-    compress-video 1 "$temp_output" "$output"
-    rm "$temp_output"
-else
-    printf "\n"
-fi
-
-printf "${GREEN}${BOLD}Done encoding '$filename.$extension' to '$output.mp4'${NORMAL}\n\n"

dotfiles/bin/convert-video-to-mp4

@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+
+# This is for reencoding a non-mp4 video to mp4 using an mpeg4 encoder.
+# Can optionally compress the video.
+
+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
+
+compress="$1"
+filename="$2"
+output_name="$3"
+bitrate="$4"
+
+if [[ $compress == "" || $filename == "" || $output_name == "" ]]; then
+    printf "${BOLD}${RED}Usage: convert-video-to-mp4 <compress 1|0> <filename> <output name> <optional: bitrate, e.g. \"4000k\", defaults to source>${NORMAL}\n"
+    exit 1
+fi
+
+
+filename=$(basename -- "$filename")
+extension="${filename##*.}"
+extension="${extension,,}"  # go lower-case
+filename="${filename%.*}"
+
+output="$output_name.mp4"
+
+bitrate_args=""
+
+if [[ $compress -eq 1 ]]; then
+    temp_output="temp_$output"
+else
+    temp_output="$output"
+fi
+
+# convert first.
+# we convert then compress instead of compressing on first pass because this results in a slightly higher bitrate.
+
+cmd=""
+
+if [[ $extension == "mkv" || $extension == "mpg" ]]; then
+    if [[ $bitrate != "" ]]; then
+        bitrate_args="-b:v $bitrate"
+    else
+        bitrate="<source value>"
+    fi
+
+    cmd="ffmpeg -y -stats -loglevel level+error -i \"$filename.$extension\" -vcodec copy -acodec copy $bitrate_args \"$temp_output\""
+
+elif [[ $extension == "flv" ]]; then
+    if [[ $bitrate == "" ]]; then
+        bitrate="5M"
+    fi
+    bitrate_args="-b:v $bitrate"
+
+    cmd="ffmpeg -y -stats -loglevel level+error -vsync 0 -hwaccel cuvid -c:v h264_cuvid -i \"$filename.$extension\" -c:a aac -c:v h264_nvenc $bitrate_args \"$temp_output\""
+
+elif [[ $extension == "avi" || $extension == "wmv" ]]; then
+    cmd="ffmpeg -y -stats -loglevel level+error -i \"$filename.$extension\" -c:a aac -c:v mpeg4 $bitrate_args \"$output\""
+
+else
+    printf "${BOLD}${RED}Don't know how to convert a '$extension' to mp4. Add support!${NORMAL}\n"
+    exit 1
+fi
+
+printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' | compress: $compress | output: $output | bitrate: $bitrate${NORMAL}\n"
+
+eval "$cmd"
+
+if [[ $compress -eq 1 ]]; then
+    compress-video 1 "$temp_output" "$output"
+    rm "$temp_output"
+else
+    printf "\n"
+fi
+
+printf "${GREEN}${BOLD}Done encoding '$filename.$extension' to '$output'${NORMAL}\n\n"

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"
+

dotfiles/bin/embed-subtitles

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+# Adds subtitles to a video. You can pass multiple srt files in one go. This
+# preserves all existing streams, so if you've already added subtitle tracks to
+# the video then these new ones will be appended. I haven't extensively tested
+# appending yet (not sure if the mapping arg is correct), so I recommend adding
+# all of your tracks in one go.
+
+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 -- "$1")
+extension="${filename##*.}"
+filename="${filename%.*}"
+
+output_name="$2"
+output="${output_name}.$extension"
+
+shift 2
+subtitles=("$@")
+
+if [[ $filename == "" || $output_name == "" || ${#subtitles[@]} -eq 0 ]]; then
+    printf "${BOLD}${RED}Usage: embed-subtitles <video filename> <output name> <subtitle filenames>${NORMAL}\n"
+    exit 1
+fi
+
+printf "\n${YELLOW}${BOLD}Adding subtitles to $filename.$extension | output: $output${NORMAL}\n"
+
+mapping="-map 0"
+tracks=""
+
+map_index=1
+for track in "$@"; do
+    tracks+="-i \"$track\" "
+    mapping+=" -map $map_index"
+    map_index=$((map_index+1))
+done
+
+cmd="ffmpeg -i \"$filename.$extension\" $tracks $mapping -c copy -c:s mov_text \"$output\""
+printf "\n${BOLD}Running: $cmd\n\n${NORMAL}"
+eval $cmd
+
+printf "\n${GREEN}${BOLD}Done adding subtitles to $filename.$extension | output: $output\n${NORMAL}"

dotfiles/bin/extract-16bit-wav-from-video

@@ -1,50 +0,0 @@
-#!/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
-
-input="$1"
-output_name="$2"
-
-if [[ $input == "" || $output_name == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <input video> <wav output name>${NORMAL}\n"
-    exit 1
-fi
-
-if [[ ! -f "$input" ]]; then
-    printf "${RED}${BOLD}Error: failed to extract audio. Video file \"$input\" doesn't exist.\n${NORMAL}"
-    exit 1
-fi
-
-# Add extension if not provided.
-output_basename=$(basename -- "$output_name")
-output_extension="${output_basename##*.}"
-if [[ $output_extension != "wav" ]]; then
-    output_name="${output_name}.wav"
-fi
-
-printf "\n${YELLOW}${BOLD}Extracting 16-bit WAV from $input | output: $output_name${NORMAL}\n"
-
-ffmpeg -i "$input" -ar 16000 -ac 1 -c:a pcm_s16le "$output_name"
-
-printf "${GREEN}${BOLD}Done extracting 16-bit WAV from $input | output: $output_name${NORMAL}\n"

dotfiles/bin/extract-audio-from-video

@@ -1,5 +1,12 @@
 #!/usr/bin/env bash
 
+# Extracts audio from a video. It expects you to know what audio codecs the
+# video container has, e.g. it's an mp4 video with aac and m4a audio. Just set
+# the format to the appropriate extension.
+#
+# If you want to convert to a different format or you want to change the sample
+# rate, channel count, trim the audio, etc. then use transcode-audio.
+
 if which tput >/dev/null 2>&1; then
     ncolors=$(tput colors)
 fi
@@ -23,13 +30,13 @@ else
     NORMAL=""
 fi
 
-transcode="$1"
+filename=$(basename -- "$1")
-filename=$(basename -- "$2")
+format="$2"
-format="$3"
+start_time="$3"
-bitrate="$4"
+end_time="$4"
 
-if [[ $1 == "" || $2 == "" || $3 == "" ]]; then
+if [[ $1 == "" || $2 == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <transcode? 0|1 (needed when container doesn't contain format)> <filename> <format (mp3, m4a, aac, etc)> <optional: bitrate. Uses 64k when not specified, 0 = variable (e.g. 0, 64, 128, etc)>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: extract-audio-from-video <filename> <format (mp3, m4a, aac, etc)> <optional: start time HH:MM:SS, use empty string or 0 for start> <optional: end time HH:MM:SS, use empty string or 0 for no value>${NORMAL}\n"
     exit 1
 fi
 
@@ -37,19 +44,23 @@ extension="${filename##*.}"
 filename="${filename%.*}"
 output_name="$filename.$format"
 
-if [[ $bitrate == "" ]]; then
+timing_args=""
-    bitrate="64"
+if [[ $start_time != "" ]]; then
+    timing_args="-ss $start_time "
+fi
+if [[ $end_time != "" ]]; then
+    if [[ $start_time == "0" && $end_time == "0" ]]; then
+        # We treat a start and end with 0 values as no op.
+        timing_args=""
+    elif [[ $end_time != "0" ]]; then
+        # Handle having a start time but end time is set to 0, can just ignore it and it'll use the remainder of the video.
+        timing_args+="-to $end_time"
+    fi
 fi
 
-printf "\n${YELLOW}${BOLD}Extracting audio from $filename.$extension | bitrate: ${bitrate}k | output: $output_name${NORMAL}\n"
+printf "\n${YELLOW}${BOLD}Extracting audio from $filename.$extension | output: $output_name | start: $start_time | end: $end_time${NORMAL}\n"
 
-if [[ $transcode == "1" ]]; then
+ffmpeg -y -stats -loglevel level+error $timing_args -i "$filename.$extension" -vn -acodec copy "$output_name"
-    # Transcode audio
-    ffmpeg -i "$filename.$extension" -b:a ${bitrate}k -ac 2 -ar 44100 -map a "$output_name"
-else
-    # Grab the audio stream from the video.
-    ffmpeg -i "$filename.$extension" -vn -acodec copy "$output_name"
-fi
 
 printf "\n${GREEN}${BOLD}Done extracting audio from $filename.$extension | output name '$output_name'${NORMAL}\n\n"
 

dotfiles/bin/fix-audio-in-one-channel

@@ -27,7 +27,7 @@ else
 fi
 
 if [[ $1 == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <filename> <optional output name>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: fix-audio-in-one-channel <filename> <optional output name>${NORMAL}\n"
     exit 1
 fi
 
@@ -45,7 +45,7 @@ fi
 
 printf "\n${YELLOW}${BOLD}Repairing audio in $filename.$extension | output: $output${NORMAL}\n"
 
-ffmpeg -i "$filename.$extension" -c:v copy -ac 1 "$output"
+ffmpeg -y -stats -loglevel level+error -i "$filename.$extension" -c:v copy -ac 1 -map 0 "$output"
 
 printf "\n${GREEN}${BOLD}Done repairing audio in $filename.$extension | output: $output${NORMAL}\n\n"
 

dotfiles/bin/join-video

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+# Re-encodes the video to get a more accurate timeline. If you want fast video joining at the expense of accuracy then use join-video-fast.
+
 if which tput >/dev/null 2>&1; then
     ncolors=$(tput colors)
 fi
@@ -35,7 +37,7 @@ output="${output_name}.mp4"
 
 printf "\n${YELLOW}${BOLD}Joining contents of '$filename'| output: $output${NORMAL}\n"
 
-ffmpeg -f concat -safe 0 -i "$filename" -c copy "$output"
+ffmpeg -y -stats -loglevel level+error -f concat -safe 0 -accurate_seek -i "$filename.$extension" -c:v libx264 -c:a copy "$output"
 
 printf "\n${GREEN}${BOLD}Finished joining${NORMAL}\n\n"
 

dotfiles/bin/join-video-fast

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+# A fast way to join video clips that might result in some weird playback cursor timings,
+# e.g. video player might show negative seconds at the start of the vid or the
+# playback time might oscillate a bit. Use join-video for accurate joining at
+# the cost of a much slower processing time.
+
+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"
+
+if [[ $filename == "" || $output_name == "" ]]; then
+    printf "${BOLD}${RED}Usage: create a text file that lists the input video paths on separate lines using the format: file '/path/to/video'. Then call:\n\n$0 <list name> <output name>${NORMAL}\n"
+    exit 1
+fi
+
+output="${output_name}.mp4"
+
+printf "\n${YELLOW}${BOLD}Joining contents of '$filename'| output: $output${NORMAL}\n"
+
+ffmpeg -y -stats -loglevel level+error -f concat -safe 0 -i "$filename" -c copy "$output"
+
+printf "\n${GREEN}${BOLD}Finished joining${NORMAL}\n\n"
+

dotfiles/bin/normalize-video-volume

@@ -1,70 +0,0 @@
-#!/usr/bin/env bash
-
-# Use this to normalize the audio of a video using the average loudness, or RMS-based normalization.
-# This does not re-encode the video.
-#
-# Inspired by https://superuser.com/a/323127 and https://superuser.com/a/1312885
-
-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
-
-if [[ $1 == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <filename> <optional output name>${NORMAL}\n"
-    exit 1
-fi
-
-filename=$(basename -- "$1")
-extension="${filename##*.}"
-filename="${filename%.*}"
-
-output_name="$2"
-
-if [[ $output_name == "" ]]; then
-    output="${filename}_normalized_audio.$extension"
-else
-    output="${output_name}.$extension"
-fi
-
-printf "\n${YELLOW}${BOLD}Normalizing audio in $filename.$extension | output: $output${NORMAL}\n"
-
-# This is done in two passes. The first pass will compute the mean loudness and
-# the second pass will normalize the audio using the mean as the target.
-
-# -vn, -sn,  and -dn tells ffmpeg to ignore non-audio streams during the analysis. This speeds things up.
-ffmpeg -i "$filename.$extension" -af "volumedetect" -vn -sn -dn -f null /dev/null
-
-#ffmpeg -i "$filename.$extension" -c:v copy -ac 1 "$output"
-
-printf "\n${GREEN}${BOLD}Done normalizing audio in $filename.$extension | output: $output${NORMAL}\n\n"
-
-
-
-#---------------------------------------
-# This seems better. 2 pass using loudnorm filter.
-
-# 1st pass: ffmpeg -i "$filename.$extension" -pass 1 -filter:a loudnorm=print_format=json -vn -sn -dn -f null /dev/null
-# 2nd pass: ffmpeg -i "$filename.$extension" -c:v copy -pass 2 -filter:a loudnorm=linear=true:measured_I=$input_i:measured_LRA=$input_lra:measured_tp=$input_tp:measured_thresh=$input_thresh "$output"
-
-# TODO: extract the $input_i, input_lra, etc from the 1st pass output so that this can be automated.
-# TODO: stackoverflow said if there are subtitles or multiple vid streams then add "-map 0" before the output name. Test this.
-# TODO: disable the log file or just delete it after normalizing.

dotfiles/bin/normalize-volume

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+
+# Use this to normalize the volume of a video or audio file using the average loudness, or RMS-based normalization. It does a pretty good job!
+# If you want to modify the volume manually then checkout the analyze-volume and change-volume scripts.
+#
+# This does not re-encode video when given a video file.
+#
+# Inspired by https://superuser.com/a/323127 and https://superuser.com/a/1312885
+
+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
+
+if [[ $1 == "" ]]; then
+    printf "${BOLD}${RED}Usage: normalize-volume <video or audio filename> <optional output name>${NORMAL}\n"
+    exit 1
+fi
+
+filename=$(basename -- "$1")
+extension="${filename##*.}"
+filename="${filename%.*}"
+
+output_name="$2"
+
+if [[ $output_name == "" ]]; then
+    output="${filename}_normalized_audio.$extension"
+else
+    output="${output_name}.$extension"
+fi
+
+printf "\n${YELLOW}${BOLD}Normalizing audio in $filename.$extension | output: $output${NORMAL}\n"
+
+# This is done in two passes. The first pass will compute the mean loudness and
+# the second pass will normalize the audio using the mean as the target.
+
+temp_file="/tmp/_audio_info_$RANDOM"
+
+# 1st pass:
+cmd="ffmpeg -i \"$filename.$extension\" -pass 1 -filter:a loudnorm=print_format=json -vn -sn -dn -f null /dev/null 2>&1 | sed -n '/{/,/}/p' > $temp_file"
+printf "\n${BOLD}Running 1st pass:\n$cmd\n\n${NORMAL}"
+eval "$cmd"
+
+printf "${BOLD}${GREEN}Done.\n\n${NORMAL}"
+
+ii=`grep   \"input_i\"       $temp_file | cut -d: -f2 | tr -cd [:digit:].-`
+itp=`grep  \"input_tp\"      $temp_file | cut -d: -f2 | tr -cd [:digit:].-`
+ilra=`grep \"input_lra\"     $temp_file | cut -d: -f2 | tr -cd [:digit:].-`
+it=`grep   \"input_thresh\"  $temp_file | cut -d: -f2 | tr -cd [:digit:].-`
+to=`grep   \"target_offset\" $temp_file | cut -d: -f2 | tr -cd [:digit:].-`
+
+# 2nd pass:
+cmd="ffmpeg -y -stats -loglevel level+error -i \"$filename.$extension\" -c:v copy -pass 2 -filter:a loudnorm=linear=true:I=-16:LRA=11:tp=-1.5:measured_I=$ii:measured_LRA=$ilra:measured_tp=$itp:measured_thresh=$it:offset=$to:print_format=summary -map 0 \"$output\""
+printf "${BOLD}Re-encoding audio:\n$cmd\n\n${NORMAL}"
+eval "$cmd"
+
+printf "\n${GREEN}${BOLD}Done normalizing volume in $filename.$extension | output: $output${NORMAL}\n"
+rm $temp_file
+

dotfiles/bin/remove-audio-from-video

@@ -24,7 +24,7 @@ else
 fi
 
 if [[ $1 == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <filename> <optional output name>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: remove-audio-from-video <filename> <optional output name>${NORMAL}\n"
     exit 1
 fi
 
@@ -43,7 +43,7 @@ fi
 printf "\n${YELLOW}${BOLD}Removing audio from '$filename.$extension' | output: '$output'${NORMAL}\n"
 
 # -an removes the audio.
-ffmpeg -i "$filename.$extension" -c:v copy -an "$output"
+ffmpeg -y -stats -loglevel level+error -i "$filename.$extension" -c:v copy -an -map 0 "$output"
 
 printf "\n${GREEN}${BOLD}Done removing audio from '$filename.$extension' | output: '$output'${NORMAL}\n\n"
 

dotfiles/bin/transcode-audio

@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+# Transcodes audio from a video or audio source into a new audio file. If you
+# just want the audio from a video as-is then use extract-audio-from-video
+
+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="$1"
+output_name="$2"
+sample_rate="$3"
+channel_count="$4"
+start_time="$5"
+end_time="$6"
+
+output_base=$(basename -- "$output_name")
+output_extension="${output_base##*.}"
+
+if [[ $filename == "" || $output_extension == "" || $output_extension == $output_base ]]; then
+    printf "${BOLD}${RED}Usage: transcode-audio <filename> <output name w/ extension> <optional: sample rate. Defaults to 44100> <optional: channel count. Defaults to 2> <optional: start time HH:MM:SS, use empty string or 0 for start> <optional: end time HH:MM:SS, use empty string or 0 for no value>${NORMAL}\n"
+    exit 1
+fi
+
+if [[ $sample_rate == "" ]]; then
+    sample_rate="44100"
+fi
+
+if [[ $channel_count == "" ]]; then
+    channel_count="2"
+fi
+
+timing_args=""
+if [[ $start_time != "" ]]; then
+    timing_args="-ss $start_time "
+fi
+if [[ $end_time != "" ]]; then
+    if [[ $start_time == "0" && $end_time == "0" ]]; then
+        # We treat a start and end with 0 values as no op.
+        timing_args=""
+    elif [[ $end_time != "0" ]]; then
+        # Handle having a start time but end time is set to 0, can just ignore it and it'll use the remainder of the video.
+        timing_args+="-to $end_time"
+    fi
+fi
+
+printf "\n${YELLOW}${BOLD}Extracting audio from '$filename' | output: '$output_name' | sample rate: $sample_rate | channels: $channel_count | start: $start_time | end: $end_time${NORMAL}\n"
+
+ffmpeg -y -stats -loglevel level+error $timing_args -accurate_seek -i "$filename" -ar $sample_rate -ac $channel_count -map a "$output_name"
+
+printf "\n${GREEN}${BOLD}Done extracting audio from '$filename' | output '$output_name'${NORMAL}\n\n"
+

dotfiles/bin/transcribe-audio

@@ -52,11 +52,8 @@ output_name_without_ext="$2"
 model="$3"
 threads=$4
 
-# 4 seems to be the sweet spot for most models, except medium might be faster with 8.
-default_thread_count=4
-
 if [[ $input_wav == "" || $output_name_without_ext == "" || $model == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <input.wav> <output name without extension> <model name> <optional: thread count>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: transcribe-audio <input.wav> <output name without extension> <model name> <optional: thread count>${NORMAL}\n"
     exit 1
 fi
 
@@ -65,19 +62,27 @@ if [[ ! -f "$input_wav" ]]; then
     exit 1
 fi
 
-if [[ $threads == "" ]]; then
-    threads=$default_thread_count
-fi
-
 output_name="$output_name_without_ext.${model}"
 
-
 # 1 core 31 threads has very fast pcm_to_mel conversion and then just one core doing most of the work. You get more accurate results this way.
 # 2 core 16 is about half the time but it can have errors where the two pieces come together. This only gets more likely as the core count is increased.
 # 8 threads, 4 cores is good too for tiny,small and 2 threads, 4 cores for medium.
 
-threads=31 #keep a thread for me
+
+# 4 seems to be the sweet spot for most models, except medium might be faster with 8.
+# But on my 5950x, running 1 core with 31 threads is quite fast.
+#default_thread_count=4
 cores=1
+default_thread_count=31
+
+if [[ $threads == "" ]]; then
+    threads=$default_thread_count
+
+    # This is only useful when not setting the core count and defaulting to 4 threads.
+    #if [[ $model == "medium" || $model == "large" ]]; then
+    #    threads=8
+    #fi
+fi
 
 printf "\n${YELLOW}${BOLD}Transcribing $input_wav | model: $model | cores: $cores | threads: $threads | output: $output_name ${NORMAL}\n"
 
@@ -85,7 +90,12 @@ whisper_fullname="$(expand_path $(which whisper.exe))"
 whisper_path="$(dirname $whisper_fullname)"
 models_path="$whisper_path/models"
 
-whisper.exe --processors ${cores} --threads ${threads} -m "$models_path/ggml-${model}.en.bin" -otxt -osrt -f "$input_wav" -of "$output_name" --print-colors --print-progress
+if [[ $model != "large" ]]; then
+    model="${model}.en"
+fi
+
+whisper.exe --processors ${cores} --threads ${threads} -m "$models_path/ggml-${model}.bin" -otxt -osrt -f "$input_wav" -of "$output_name" --print-colors --print-progress
+
 error=$?
 if [[ error -eq 0 ]]; then
     printf "${GREEN}${BOLD}Done transcribing $input_wav | model: $model | cores: $cores | threads: $threads | output: $output_name${NORMAL}\n"

dotfiles/bin/transcribe-video

@@ -25,11 +25,13 @@ fi
 
 input_video="$1"
 output_name_without_ext="$2"
-shift 2
+start_time="$3"
+end_time="$4"
+shift 4
 models=("$@")
 
-if [[ $input_video == "" || $output_name_without_ext == "" || ${#models[@]} -eq 0 ]]; then
+if [[ $input_video == "" || $output_name_without_ext == "" || $start_time == "" || $end_time == "" || ${#models[@]} -eq 0 ]]; then
-    printf "${BOLD}${RED}Usage: $0 <input.mp4> <output name without extension> <list of model names to use>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: transcribe-video <input.mp4> <output name without extension> <start time HH:MM:SS, use 0 for start> <end time HH:MM:SS, use 0 for no value> <list of model names to use>${NORMAL}\n"
     exit 1
 fi
 
@@ -43,17 +45,13 @@ if [[ input_extension != "wav" ]]; then
     wav_name="${wav_name}.wav"
 fi
 
-extract-16bit-wav-from-video "$input_video" "$wav_name"
+channel_count=1
+sample_rate=16000
+transcode-audio "$input_video" "$wav_name" $sample_rate $channel_count $start_time $end_time
 if [[ $? == 1 ]]; then exit 1; fi
 
 for model in "$@"; do
-    # Tweak thread count based on model size.
+    transcribe-audio "$wav_name" "$output_name_without_ext" "${model}"
-    thread_count=4
-    if [[ $model == "medium" ]]; then
-        thread_count=8
-    fi
-
-    transcribe-audio "$wav_name" "$output_name_without_ext" "${model}" $thread_count
 
     if [[ $? == 1 ]]; then
         printf "${RED}${BOLD}Saving the audio file \"$wav_name\" in case you want to reuse it for debugging.\n${NORMAL}"

dotfiles/bin/transcribe-video-base

@@ -1,2 +1,37 @@
 #!/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
+
+if [[ $2 == "" ]]; then
+    printf "${BOLD}${RED}Usage: transcribe-video-base <input.mp4> <output name without extension> <optional: start time HH:MM:SS, use 0 for start> <optional: end time HH:MM:SS, use empty string or 0 for no value>${NORMAL}\n"
+    exit 1
+fi
+
+start_time="$3"
+end_time="$4"
+
+if [[ $start_time == "" ]]; then start_time="0"; fi
+if [[ $end_time   == "" ]]; then end_time="0"; fi
+
 transcribe-video "$1" "$2" "base"

dotfiles/bin/transcribe-video-medium

@@ -1,2 +1,37 @@
 #!/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
+
+if [[ $2 == "" ]]; then
+    printf "${BOLD}${RED}Usage: transcribe-video-medium <input.mp4> <output name without extension> <optional: start time HH:MM:SS, use 0 for start> <optional: end time HH:MM:SS, use empty string or 0 for no value>${NORMAL}\n"
+    exit 1
+fi
+
+start_time="$3"
+end_time="$4"
+
+if [[ $start_time == "" ]]; then start_time="0"; fi
+if [[ $end_time   == "" ]]; then end_time="0"; fi
+
 transcribe-video "$1" "$2" "medium"

dotfiles/bin/transcribe-video-small

@@ -1,2 +1,37 @@
 #!/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
+
+if [[ $2 == "" ]]; then
+    printf "${BOLD}${RED}Usage: transcribe-video-small <input.mp4> <output name without extension> <optional: start time HH:MM:SS, use 0 for start> <optional: end time HH:MM:SS, use empty string or 0 for no value>${NORMAL}\n"
+    exit 1
+fi
+
+start_time="$3"
+end_time="$4"
+
+if [[ $start_time == "" ]]; then start_time="0"; fi
+if [[ $end_time   == "" ]]; then end_time="0"; fi
+
 transcribe-video "$1" "$2" "small"

dotfiles/bin/transcribe-video-tiny

@@ -1,2 +1,37 @@
 #!/usr/bin/env bash
-transcribe-video "$1" "$2" "tiny"
+
+if which tput >/dev/null 2>&1; then
+    ncolors=$(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
+
+if [[ $2 == "" ]]; then
+    printf "${BOLD}${RED}Usage: transcribe-video-tiny <input.mp4> <output name without extension> <optional: start time HH:MM:SS, use 0 for start> <optional: end time HH:MM:SS, use empty string or 0 for no value>${NORMAL}\n"
+    exit 1
+fi
+
+start_time="$3"
+end_time="$4"
+
+if [[ $start_time == "" ]]; then start_time="0"; fi
+if [[ $end_time   == "" ]]; then end_time="0"; fi
+
+transcribe-video "$1" "$2" $start_time $end_time "tiny"

dotfiles/bin/trim-audio

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Reencodes the video with a more accurate length.
+# Re-encodes the audio to get a more accurate seek time.
 
 if which tput >/dev/null 2>&1; then
     ncolors=$(tput colors)
@@ -31,7 +31,7 @@ start_time="$3"
 end_time="$4"
 
 if [[ $filename == "" || $output_name == "" || $start_time == "" || $end_time == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <filename> <output name> <start time HH:MM:SS> <end time HH:MM:SS>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: trim-audio <filename> <output name> <start time HH:MM:SS> <end time HH:MM:SS>${NORMAL}\n"
     exit 1
 fi
 
@@ -42,7 +42,7 @@ timing_args="-ss $start_time -to $end_time"
 
 printf "\n${YELLOW}${BOLD}Trimming '$filename.$extension' | output: $output | start: $start_time | end: $end_time${NORMAL}\n"
 
-ffmpeg -y -stats -loglevel level+error $timing_args -accurate_seek -i "$filename.$extension" -c:v libx264 -c:a copy "$output"
+ffmpeg -y -stats -loglevel level+error $timing_args -accurate_seek -i "$filename.$extension" -c copy "$output"
 
 printf "\n${GREEN}${BOLD}Finished trimming${NORMAL}\n\n"
 

dotfiles/bin/trim-video

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+# Re-encodes the video to get a more accurate seek time. If you want fast trimming at the expense of accuracy then use trim-video-fast.
+
 if which tput >/dev/null 2>&1; then
     ncolors=$(tput colors)
 fi
@@ -29,7 +31,7 @@ start_time="$3"
 end_time="$4"
 
 if [[ $filename == "" || $output_name == "" || $start_time == "" || $end_time == "" ]]; then
-    printf "${BOLD}${RED}Usage: $0 <filename> <output name> <start time HH:MM:SS> <end time HH:MM:SS>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: trim-video <filename> <output name> <start time HH:MM:SS> <end time HH:MM:SS>${NORMAL}\n"
     exit 1
 fi
 
@@ -40,7 +42,10 @@ timing_args="-ss $start_time -to $end_time"
 
 printf "\n${YELLOW}${BOLD}Trimming '$filename.$extension' | output: $output | start: $start_time | end: $end_time${NORMAL}\n"
 
-ffmpeg -y -stats -loglevel level+error $timing_args -i "$filename.$extension" -c copy "$output"
+# You might have issues if the file has multiple video streams or embedded subtitles. The -map 0 arg is typically given
+# when copying a video stream, but I'm not sure if it's appropriate to use here.
+# Trying out async to keep video and audio synced.
+ffmpeg -y -stats -loglevel level+error $timing_args -accurate_seek -async 1 -i "$filename.$extension" -c:v libx264 -c:a copy "$output"
 
 printf "\n${GREEN}${BOLD}Finished trimming${NORMAL}\n\n"
 

dotfiles/bin/trim-video-fast

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+# A fast video trim that might result in some weird seek timings, e.g. video
+# player might show negative seconds at the start of the vid or the playback
+# time might oscillate a bit. Use trim-video for accurate trimming at the cost
+# of a much slower processing time.
+
+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"
+start_time="$3"
+end_time="$4"
+
+if [[ $filename == "" || $output_name == "" || $start_time == "" || $end_time == "" ]]; then
+    printf "${BOLD}${RED}Usage: trim-video-fast <filename> <output name> <start time HH:MM:SS> <end time HH:MM:SS>${NORMAL}\n"
+    exit 1
+fi
+
+extension="${filename##*.}"
+filename="${filename%.*}"
+output="${output_name}.$extension"
+timing_args="-ss $start_time -to $end_time"
+
+printf "\n${YELLOW}${BOLD}Trimming '$filename.$extension' | output: $output | start: $start_time | end: $end_time${NORMAL}\n"
+
+# You might have issues if the file has multiple video streams or embedded subtitles. The -map 0 arg is typically given
+# when copying a video stream, but I'm not sure if it's appropriate to use here.
+ffmpeg -y -stats -loglevel level+error $timing_args -i "$filename.$extension" -c copy "$output"
+
+printf "\n${GREEN}${BOLD}Finished trimming${NORMAL}\n\n"
+

dotfiles/windows/readme.md

@@ -11,8 +11,9 @@
       built this for them. There's no way to stop this from happening other than to disable the platform entirely.
     * Run `disable-windows-platform-binary-table.reg` and reboot.
 
-* Change PC name and reboot
+* Change PC name
     * Open settings -> System -> About -> Rename this PC
+    * Reboot
 
 * Disable the annoying Windows alert sound that plays when doing things like using a terminal, hitting tab to autocomplete and it has no match.
     * Open C:/windows/media
@@ -21,6 +22,13 @@
     * Back in the previous Security tab, click Edit to change permisisons -> add your user account and grant all permissions
     * Now you can delete the file or rename it.
 
+* Maybe disable swapfile
+    * Not a good idea to have this turned on for SSDs since it's extra writes, and writing to an SSD degrades the drive. Probably best to put this on a spinning disk.
+      It's unclear if it's a bad idea to entirely disable on Windows 10 & 11. You likely won't have an issue if you have lots of RAM, but apparently its used for other
+      things like sleeping apps, kernel dumps, etc. It's possible that disabling it will affect your PC performance. Whether that's noticeable is something I'm unsure of.
+    * Advanced System Settings -> Advanced -> Performance settings -> Advanced -> Change paging settings -> set the drives to none
+    * Reboot
+
 * Disable `Enhance Pointer Precision`:
     * Mouse Properties -> Pointer Options -> Motion section
 
@@ -48,6 +56,12 @@
 * Pin "This PC" to taskbar
     * In Win 10 start menu, search for "This PC", right click top result and pin to taskbar
 
+* Disable collection of recently opened files
+    * winkey+r -> `gpedit.msc`.
+    * User Configuration > Administrative Templates > Start Menu and Taskbar
+        * Double-click the `Do no keep history of recently opened documents` policy.
+        * Select Enabled.
+
 * Configure Explorer's options
     * Open file explorer, click on File menu then options or "Change folder and search options"
         * General tab