Video generation pipelines files added

merge_audio_video.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+#merges videos/output_n.mp4 with audios/audio_n.mp3 -> merged/merged_n.mp4
+BASE_DIR="/home/madina/projects/short_videos"
+VIDEOS_DIR="$BASE_DIR/videos"
+AUDIOS_DIR="$BASE_DIR/audios"
+OUTPUT_DIR="$BASE_DIR/merged"
+
+mkdir -p "$OUTPUT_DIR"
+
+for video in "$VIDEOS_DIR"/output_*.mp4; do
+    num=$(basename "$video" | sed 's/output_\([0-9]*\)\.mp4/\1/')
+    audio="$AUDIOS_DIR/output_${num}.mp3"
+    output="$OUTPUT_DIR/merged_${num}.mp4"
+
+    if [ ! -f "$audio" ]; then
+        echo "WARNING: No audio found for shot $num ($audio); skipped"
+        continue
+    fi
+
+    if [ -f "$output" ]; then
+        echo "Already exists; skipped the shot $num."
+        continue
+    fi
+
+    echo "Merging shot $num: $video + $audio -> $output"
+    ffmpeg -i "$video" -i "$audio" \
+        -c:v copy \
+        -c:a aac \
+        -shortest \
+        -y "$output"
+
+    echo "Done: $output"
+done