audio: added an audio option in the config

README.md

@@ -65,7 +65,7 @@ $ sudo apt-get install maim slop ffmpeg curl jq
 
 **Unsupported.** slop and maim both are terribly out of date in Ubuntu's 17.04 repositories, resulting in artifacting and improper screenshots. When Ubuntu 17.10 is released, it will be properly supported.
 
-If you can't wait until then, you can install [slop] and [maim] from source. Afterwards, run the following command.
+If you can't wait until then, you can install [slop] and [maim] from source. Afterwards, run the following command to install the remaining dependencies.
 
 ```
 $ sudo apt-get install ffmpeg curl jq
@@ -90,6 +90,37 @@ $ sudo make install
 
 You can optionally install `xclip` if you want automatic URL clipboard pasting after the utility finishes an upload.
 
+## Configuration
+
+The configuration file can be found in `$XDG_CONFIG_HOME/gsu`. The most common location is `~/.config/gsu`.
+
+```bash
+# Audio input device. If empty, gsu defaults to pulseaudio.
+# See https://www.ffmpeg.org/ffmpeg-devices.html#Input-Devices for a list
+# of valid input devices.
+AUDIO=""
+
+# Streamable email/username.
+# REQUIRED for video upload without a custom upload command.
+STREAMABLE_USER=""
+
+# Streamable password.
+# REQUIRED for video upload without a custom upload command.
+STREAMABLE_PASS=""
+
+# Custom screenshot upload command. Leave empty to upload to uguu.se.
+# Use the string "GSUFILEOUT" to refer to your gsu operand.
+S_UPLOAD=""
+
+# Custom video upload command. Leave empty to upload to streamable.
+# Use the string "GSUFILEOUT" to refer to your gsu operand.
+V_UPLOAD=""
+
+# Custom gif upload command. Leave empty to upload to uguu.se.
+# Use the string "GSUFILEOUT" to refer to your gsu operand.
+G_UPLOAD=""
+```
+
 ## Troubleshooting
 
 Here are some frequent problems users may face and their respective solutions. If you have more solutions, feel free to send in an issue or pull request.
@@ -101,6 +132,10 @@ This is a common problem with older versions of maim. You have a few choices:
 * On Debian 8, enable the `unstable` APT repository, and upgrade maim and slop.
 * On Ubuntu 17.04 and other distros, install both maim and slop from source.
 
+### There is no audio in the captured video.
+
+Pulseaudio is the default audio capture device. If you do not use pulseaudio, adjust your audio capture device in the configuration file.
+
 ## Credits
 
 * [Dalton Nell](https://github.com/naelstrof) for maim and slop, used for screenshot creation and selections

config/config.conf

@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 
+# Audio input device. If empty, gsu defaults to pulseaudio.
+# See https://www.ffmpeg.org/ffmpeg-devices.html#Input-Devices for a list
+# of valid input devices.
+AUDIO=""
+
 # Streamable email/username.
 # REQUIRED for video upload without a custom upload command.
 STREAMABLE_USER=""

gsu

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-VERSION="1.1.1"
+VERSION="1.1.1-git"
 config_path="${XDG_CONFIG_HOME:-${HOME}/.config}/gsu"
 
 print_help() {
@@ -233,12 +233,24 @@ get_command() {
 				countdown "$countdown_enable" "Handing control over to ffmpeg in COUNTNUM seconds."
 			fi
 
+			if [[ -z "$AUDIO" ]]; then
+				if ! type -p pulseaudio >/dev/null; then
+					echo -e "\ngsu: no audio device set, default device 'pulse' cannot be found"
+					echo "Either install pulseaudio, "
+					echo "or add your audio device to `$config_path/config.conf`"
+
+					exit 1
+				fi
+
+				AUDIO="pulse"
+			fi
+
 			echo "Press [q] or [Ctrl+C] to stop recording."
 
 			if [[ -z "$display" ]]; then
-				cmd=$(ffmpeg -y -f alsa -i pulse -r 30 -f x11grab -show_region 1 $draw_mouse -s "$W"x"$H" -i :0.0+$X,$Y -c:v libx264 -crf 18 -preset:v ultrafast -c:a aac -b:a 192k -loglevel error "$output" 2>&1>/dev/null)
+				cmd=$(ffmpeg -y -f alsa -i $AUDIO -r 30 -f x11grab -show_region 1 $draw_mouse -s "$W"x"$H" -i :0.0+$X,$Y -c:v libx264 -crf 18 -preset:v ultrafast -c:a aac -b:a 192k -loglevel error "$output" 2>&1>/dev/null)
 			else
-				cmd=$(ffmpeg -y -f alsa -i pulse -r 30 -f x11grab -show_region 1 $draw_mouse -s "$MONW"x"$MONH" -i :0.0+$MONX,$MONY -c:v libx264 -crf 18 -preset:v ultrafast -c:a aac -b:a 192k -loglevel error "$output" 2>&1>/dev/null)
+				cmd=$(ffmpeg -y -f alsa -i $AUDIO -r 30 -f x11grab -show_region 1 $draw_mouse -s "$MONW"x"$MONH" -i :0.0+$MONX,$MONY -c:v libx264 -crf 18 -preset:v ultrafast -c:a aac -b:a 192k -loglevel error "$output" 2>&1>/dev/null)
 			fi
 		;;
 	esac

gsu.1

@@ -1,7 +1,7 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.4.
-.TH GSU "1" "September 2017" "gsu 1.1.1" "User Commands"
+.TH GSU "1" "September 2017" "gsu 1.1.1-git" "User Commands"
 .SH NAME
-gsu \- manual page for gsu 1.1.1
+gsu \- manual page for gsu 1.1.1-git
 .SH SYNOPSIS
 .B gsu
 [\fI\,OPTION\/\fR]... \fI\,SOURCE\/\fR