From 8e440d74da6a906c4f648b5c4cedb17f5e0370f8 Mon Sep 17 00:00:00 2001
From: Michael Campagnaro <mikecampo@gmail.com>
Date: Thu, 24 Mar 2022 20:18:05 -0400
Subject: [PATCH] Add a script to trim videos

---
 aliases                     |  4 ++--
 bin/compress-video-with-crf |  2 +-
 bin/trim-video              | 46 +++++++++++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+), 3 deletions(-)
 create mode 100644 bin/trim-video

diff --git a/aliases b/aliases
index 0d3e539..ba67f48 100644
--- a/aliases
+++ b/aliases
@@ -544,9 +544,9 @@ dl_twitch_vid() {
         printf "${BOLD}Downloading Twitch vid with compression.${NORMAL}\n"
     fi
     if [[ $format == "" ]]; then
+        # Twitch only supplies pre-merged mp4s so we can ask for the best format and not worry about anything else.
         printf "${BOLD}No format given; using best available.${NORMAL}\n"
-        format="best"
-        #opts+=" --merge-output-format mp4"
+        format="b"
     fi
 
     if [[ $make_folder == "1" ]]; then
diff --git a/bin/compress-video-with-crf b/bin/compress-video-with-crf
index 3c16911..13b3219 100644
--- a/bin/compress-video-with-crf
+++ b/bin/compress-video-with-crf
@@ -63,7 +63,7 @@ function encode() {
     else
         ffmpeg $timing_args -i "$filename.$extension" -c:v libx264 -crf $crf -preset veryfast -profile:v baseline -level 3.0 -strict -2 "$output"
     fi
-    printf "\n${GREEN}${BOLD}Done encoding '$filename.$extension' (CRF $crf) | output name '$output'${NORMAL}\n\n"
+    printf "\n${GREEN}${BOLD}Finished encoding '$filename.$extension' (CRF $crf) | output name '$output'${NORMAL}\n\n"
 }
 
 if [[ $use_crf -ne -1 ]]; then
diff --git a/bin/trim-video b/bin/trim-video
new file mode 100644
index 0000000..723fecb
--- /dev/null
+++ b/bin/trim-video
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+if which tput >/dev/null 2>&1; then
+    ncolors=$(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"
+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"
+    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"
+
+ffmpeg -y -stats -loglevel level+error $timing_args -i "$filename.$extension" -c:a copy -c:v copy "$output"
+
+printf "\n${GREEN}${BOLD}Finished trimming${NORMAL}\n\n"
+