#3 Added config file

.travis.yml

@@ -7,6 +7,6 @@ before_script:
   - gem install mdl
 
 script:
-  - shellcheck --shell=bash ffscreencast
+  - shellcheck --shell=bash bin/ffscreencast
   - mdl -c .mdlrc README.md
 

CHANGELOG.md

@@ -4,7 +4,8 @@ CHANGELOG
 Version 0.7 (unreleased)
 -----------
 
-- none yet
+- [Enh] Added config file in ~/.config/ffscreencast/ffscreencastrc
+- [Enh] Faster bootstrap with cache variables
 
 
 Version 0.6

README.md

@@ -19,7 +19,7 @@
 
 Besides that `ffscreencast` can act as an ffmpeg command generator. Every available option can also just show the corresponding ffmpeg command instead of executing it. Non-ffmpeg commands, such as how the camera resolution is pulled and others can also be shown instead of being executed.
 
-![Screencast](https://raw.githubusercontent.com/cytopia/ffscreencast/master/img/ffscreencast.png)
+![Screencast](https://raw.githubusercontent.com/cytopia/ffscreencast/master/doc/img/ffscreencast.png)
 
 **Supported platforms**
 
@@ -40,6 +40,7 @@ Besides that `ffscreencast` can act as an ffmpeg command generator. Every availa
 
 ## 1. Features
 
+* Config file for default configuration
 * Screen recording
 * Camera overlay
 * Audio support
@@ -189,8 +190,8 @@ ffmpeg -hide_banner -loglevel info -f avfoundation   -i "1" -f avfoundation  -i
 
 Showing screen recording with and without camera overlay.
 
-![Screencast](https://raw.githubusercontent.com/cytopia/ffscreencast/master/img/ffscreencast.png)
-![Screencast](https://raw.githubusercontent.com/cytopia/ffscreencast/master/img/ffscreencast2.png)
+![Screencast](https://raw.githubusercontent.com/cytopia/ffscreencast/master/doc/img/ffscreencast.png)
+![Screencast](https://raw.githubusercontent.com/cytopia/ffscreencast/master/doc/img/ffscreencast2.png)
 
 ## 4. Todo
 

ffscreencast → bin/ffscreencast

@@ -17,9 +17,9 @@
 
 INFO_AUTHOR="Patrick Plocke <patrick@plocke.de>"
 INFO_GPGKEY="0x28BF179F"
-INFO_DATE="2015-12-21"
+INFO_DATE="2015-12-22"
 INFO_LICENSE="MIT"
-INFO_VERSION="0.6"
+INFO_VERSION="0.7-beta"
 INFO_NAME="ffscreencast"
 
 
@@ -137,6 +137,73 @@ isint() {
 	printf '%d' "$1" >/dev/null 2>&1 && return 0 || return 1;
 }
 
+################################################################################
+# Config
+################################################################################
+
+write_config() {
+
+	local dir
+	local conf
+	dir="${HOME}/.config/ffscreencast"
+	conf="${dir}/ffscreencastrc"
+
+	if [ ! -f "${conf}" ]; then
+		if [ ! -d "${dir}" ]; then
+			$(which mkdir) -p "${dir}"
+		fi
+
+		echo "# ~/.config/ffscreencast/ffscreencastrc" > "${conf}"
+		echo >> "${conf}"
+
+		echo "# Default video container extension" >> "${conf}"
+		echo "# Alternatively: 'mp4' or 'avi'" >> "${conf}"
+		echo "OUTPUT_EXT=\"mkv\"" >> "${conf}"
+		echo >> "${conf}"
+
+		echo "# Default audio output codec" >> "${conf}"
+		echo "# Alternatively: 'pcm_s16le'" >> "${conf}"
+		echo "OUTPUT_ACODEC=\"libfaac\"" >> "${conf}"
+		echo >> "${conf}"
+
+		echo "# Default video output codec" >> "${conf}"
+		echo "# Alternatively: 'libx265'" >> "${conf}"
+		echo "OUTPUT_VCODEC=\"libx264\"" >> "${conf}"
+		echo >> "${conf}"
+
+
+		echo "# Default Screen recording arguments" >> "${conf}"
+		echo "S_ARGS=\"\"" >> "${conf}"
+		echo >> "${conf}"
+
+		echo "# Default audio recording arguments" >> "${conf}"
+		echo "A_ARGS=\"-ac 2\"" >> "${conf}"
+		echo >> "${conf}"
+
+		echo "# Default camera recording arguments" >> "${conf}"
+		echo "C_ARGS=\"\"" >> "${conf}"
+		echo >> "${conf}"
+
+		echo "# Default misc output arguments" >> "${conf}"
+		echo "O_ARGS=\"-crf 0 -preset ultrafast\"" >> "${conf}"
+		echo >> "${conf}"
+
+		echo "# Default recording behavior" >> "${conf}"
+		echo "RECORD_S=\"yes\"" >> "${conf}"
+		echo "RECORD_A=\"no\"" >> "${conf}"
+		echo "RECORD_C=\"no\"" >> "${conf}"
+		echo >> "${conf}"
+
+		echo "# What listed device number has been chosen to record?" >> "${conf}"
+		echo "CHOSEN_S_NUM=\"\"" >> "${conf}"
+		echo "CHOSEN_A_NUM=\"\"" >> "${conf}"
+		echo "CHOSEN_C_NUM=\"\"" >> "${conf}"
+		echo >> "${conf}"
+	fi
+
+}
+
+
 
 ################################################################################
 # Info Function
@@ -323,38 +390,50 @@ print_requirements() {
 ################################################################################
 # Requirements
 ################################################################################
-
+_CACHE_CAN_USE_OS="no"
 can_run_on_os() {
-	if [ "${UNAME}" != "Linux"  ] && [ "${UNAME}" != "Darwin" ]; then
-		# Nope
-		return "${EXIT_ERR}"
-	else
-		# Good :-)
+	if [ "${_CACHE_CAN_USE_OS}" = "yes" ]; then
 		return "${EXIT_OK}"
-	fi
-}
-
-can_use_ffmpeg() {
-	if [ "${UNAME}" = "Darwin" ]; then
-		if ! ${FFMPEG} -f avfoundation -list_devices true -i "" 2>&1 | $GREP 'AVFoundation input device' > /dev/null 2>&1; then
-			# Nope, no AVFoundation found in ffmpeg
-			return "${EXIT_ERR}"
-		else
-			# All good :-)
-			return "${EXIT_OK}"
-		fi
-	elif [ "${UNAME}" = "Linux" ]; then
-		if ! ${FFMPEG} -version 2>&1 | $GREP '\-\-enable-x11grab' > /dev/null 2>&1; then
-			# Nope, no x11grab found in ffmpeg
+	else
+		if [ "${UNAME}" != "Linux"  ] && [ "${UNAME}" != "Darwin" ]; then
+			# Nope
 			return "${EXIT_ERR}"
 		else
-			# All good :-)
+			# Good :-)
+			_CACHE_CAN_USE_OS="yes"
 			return "${EXIT_OK}"
 		fi
 	fi
+}
 
-	# Hmm, no supported OS found, not good!
-	return "${EXIT_ERR}"
+_CACHE_CAN_USE_FFMPEG="no"
+can_use_ffmpeg() {
+	if [ "${_CACHE_CAN_USE_FFMPEG}" = "yes" ]; then
+		return "${EXIT_OK}"
+	else
+		if [ "${UNAME}" = "Darwin" ]; then
+			if ! ${FFMPEG} -f avfoundation -list_devices true -i "" 2>&1 | $GREP 'AVFoundation input device' > /dev/null 2>&1; then
+				# Nope, no AVFoundation found in ffmpeg
+				return "${EXIT_ERR}"
+			else
+				# All good :-)
+				_CACHE_CAN_USE_FFMPEG="yes"
+				return "${EXIT_OK}"
+			fi
+		elif [ "${UNAME}" = "Linux" ]; then
+			if ! ${FFMPEG} -version 2>&1 | $GREP '\-\-enable-x11grab' > /dev/null 2>&1; then
+				# Nope, no x11grab found in ffmpeg
+				return "${EXIT_ERR}"
+			else
+				# All good :-)
+				_CACHE_CAN_USE_FFMPEG="yes"
+				return "${EXIT_OK}"
+			fi
+		fi
+
+		# Hmm, no supported OS found, not good!
+		return "${EXIT_ERR}"
+	fi
 }
 
 can_screen_record() {
@@ -696,6 +775,14 @@ get_camera_framerate() {
 ################################################################################
 
 
+if [ ! -f "${HOME}/.config/ffscreencast/ffscreencastrc" ]; then
+	# Write default config if it does not exist
+	write_config
+else
+	# If there is a config, source it as default
+	. "${HOME}/.config/ffscreencast/ffscreencastrc"
+fi
+
 ############################################################
 # 1.) Evaluate cmd arguments
 ############################################################

config/ffscreencastrc

@@ -0,0 +1,36 @@
+# ~/.config/ffscreencast/ffscreencastrc
+
+# Default video container extension
+# Alternatively: 'mp4' or 'avi'
+OUTPUT_EXT="mp4"
+
+# Default audio output codec
+# Alternatively: 'pcm_s16le'
+OUTPUT_ACODEC="libfaac"
+
+# Default video output codec
+# Alternatively: 'libx265'
+OUTPUT_VCODEC="libx264"
+
+# Default Screen recording arguments
+S_ARGS=""
+
+# Default audio recording arguments
+A_ARGS="-ac 2"
+
+# Default camera recording arguments
+C_ARGS=""
+
+# Default misc output arguments
+O_ARGS="-crf 0 -preset ultrafast"
+
+# Default recording behavior
+RECORD_S="yes"
+RECORD_A="no"
+RECORD_C="no"
+
+# What listed device number has been chosen to record?
+CHOSEN_S_NUM=""
+CHOSEN_A_NUM=""
+CHOSEN_C_NUM=""
+