Various things (aliases, vimrc, scripts, readme)

bin/compress-video-with-crf

@@ -0,0 +1,69 @@
+#!/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 [[ $1 == "" ]]; then
+    printf "${BOLD}${RED}Usage: $0 <use-gpu (1|0)> <crf value> <filename> <optional output name>\n\nIf you want to encode a range of CRF values then use -1 as the crf value.${NORMAL}\n"
+    exit 1
+fi
+
+use_gpu=$1
+use_crf=$2
+
+filename=$(basename -- "$3")
+extension="${filename##*.}"
+filename="${filename%.*}"
+
+output_name="$4"
+
+function encode() {
+    crf=$1
+    if [[ $output_name == "" ]]; then
+        output="${filename}_COMPRESSED_CRF-${crf}.$extension"
+    else
+        output="${output_name}.$extension"
+    fi
+
+    printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' | GPU: $use_gpu | CRF $crf | output: $output${NORMAL}\n"
+
+    if [[ $use_gpu -eq 1 ]]; then
+        # File will be slightly larger than CPU encoding, but it's much faster to transcode and doesn't max out the CPU cores.
+        ffmpeg -y -vsync 0 -hwaccel cuvid -c:v h264_cuvid -i "$filename.$extension" -c:a copy -c:v h264_nvenc -profile:v high -rc:v vbr_hq -cq:v $crf -b:v 5M -maxrate 5M -max_muxing_queue_size 9999 "$output"
+    else
+        ffmpeg -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"
+}
+
+if [[ $use_crf -ne -1 ]]; then
+    encode $use_crf
+else
+    printf "\n${YELLOW}${BOLD}Encoding using a range of CRF values.${NORMAL}\n"
+
+    # Bigger crf values == bigger compression.
+    for crf in {25..28}
+    do
+        encode $crf
+    done
+fi