Clip extraction (#11)

Author: correa-brian

README.md

@@ -68,6 +68,7 @@ To get started, check out the table of contents below and follow these steps:
 - [Convert video to WebM](#convert-video-to-webm)
 - [Edit two images and/or videos to display next to each other, horizontally](#create-a-horizontal-stack)
 - [Resize an image](#resize-an-image)
+- [Extract clip from a video](#extract-clip-from-a-video)
 - [Extract frames from a video](#extract-frames-from-a-video)
 - [Modify video speed](#modify-video-speed)
 
@@ -172,6 +173,15 @@ Usage:
 ```bash
 sh index.sh resize assets/image.png 0.5
 ```
+### Extract clip from a video
+
+This command will extract a clip from the video using timestamps. The command requires a start and end timestamp following this format: HH:MM:SS.  
+
+Usage:
+
+```bash
+sh index.sh extract-clip assets/video.mp4 00:00:05 00:00:20 
+```
 
 ### Extract frames from a video
 

library/extract-clip.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+if [ "$#" -lt 3 ]; then
+    echo "Error: Insufficient args provided."
+    echo "Usage: ./script.sh <filename1> 00:00:05 00:00:10..."
+    exit 1
+fi
+
+arguments=("$@")
+
+video_file_name="${arguments[0]}"
+extension="${video_file_name##*.}"
+
+startTime="${arguments[1]}"
+endTime="${arguments[2]}"
+
+ffmpeg -loglevel quiet -i "$video_file_name" -ss "$startTime" -to "$endTime" -c:v copy -c:a copy assets/clip."${extension}"

library/gif.sh

@@ -1,12 +1,6 @@
 #!/bin/bash
 
 # Check if the script is called with the correct number of arguments
-if [ "$#" -eq 0 ]; then
-    echo "Error: No filenames provided."
-    echo "Usage: ./script.sh <filename1> <filename2> ..."
-    exit 1
-fi
-
 if [ "$#" -lt 1 ]; then
     echo "Error: Insufficient number of arguments for filenames. Need at least one file."
     echo "Usage: ./script.sh <filename1>"