dotfiles

commit 0739fafbfd9d2b02b98b5f0948bb092de5303390
parent 72b171ef5dd4d65748458a075301b5f6794ff460
Author: Alex Balgavy <a.balgavy@gmail.com>
Date:   Mon, 16 Mar 2020 19:50:47 +0100

ffmpres: more presets

Former-commit-id: 81d2eb1514e2b1002ef8ba01bfa96c3be23b5b1c
Diffstat:
M
scripts/ffmpres
 | 
21
+++++++++++++++++----

1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/scripts/ffmpres b/scripts/ffmpres
@@ -25,6 +25,7 @@ main() {
       ;;
   esac
 }
+
 process_misc() {
   echo "For other functionality, please add the filename as the first argument."
   select operation in "Record audio" "List devices"; do
@@ -84,7 +85,7 @@ process_audio() {
 }
 
 process_video() {
-  select to_fmt in "MP4" "MP3" "GIF" "NO AUDIO" "CONCAT" "CLIP" "VOLUME"; do
+  select to_fmt in "MP4" "MP3" "GIF" "NO AUDIO" "CONCAT" "CLIP" "VOLUME" "FAST" "SLOW" "SCREENSHOT"; do
     case "$to_fmt" in
       "MP4")
         ffmpeg -i "$1" -qscale 0 "${1%%.*}.mp4"
@@ -115,11 +116,11 @@ process_video() {
         read -rp "To time: " endtime
         read -rp "Save as: " outfile
         if [ -z "$endtime" ]; then
-          ffmpeg -i "$1" -ss "$starttime" "$outfile"
+          ffmpeg -i "$1" -ss "$starttime" "${outfile:-out-$1}"
         elif [ -z "$starttime" ]; then
-          ffmpeg -i "$1" -to "$endtime" "$outfile"
+          ffmpeg -i "$1" -to "$endtime" "${outfile:-out-$1}"
         else
-          ffmpeg -i "$1" -ss "$starttime" -to "$endtime" "$outfile"
+          ffmpeg -i "$1" -ss "$starttime" -to "$endtime" "${outfile:-out-$1}"
         fi
         break;;
       "VOLUME")
@@ -127,6 +128,18 @@ process_video() {
         read -rp "Enter output filename: " outfile
         ffmpeg -i "$1" -filter:a "volume=$vol" "${outfile:-out-$1}"
         break;;
+      "FAST")
+        read -rp "Enter output filename: " outfile
+        ffmpeg -i "$1" -filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a]" -map "[v]" -map "[a]" "${outfile:-out-$1}"
+        break;;
+      "SLOW")
+        read -rp "Enter output filename: " outfile
+        ffmpeg -i "$1" -filter_complex "[0:v]setpts=1.5*PTS[v];[0:a]atempo=0.67[a]" -map "[v]" -map "[a]" "${outfile:-out-$1}"
+        break;;
+      "SCREENSHOT")
+        read -rp "Timestamp to extract: " ts
+        ffmpeg -ss "$ts" -i "$1" -frames:v 1 -q:v 2 "$1.jpg"
+        break;;
       *)
         ;;
     esac