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dotfiles/gnome/.local/share/gnome-shell/extensions/EasyScreenCast@iacopodeenosee.gmail.com/utilgsp.js

736 lines
25 KiB
JavaScript

/*
Copyright (C) 2016 Borsato Ivano
The JavaScript code in this page is free software: you can
redistribute it and/or modify it under the terms of the GNU
General Public License (GNU GPL) as published by the Free Software
Foundation, either version 3 of the License, or (at your option)
any later version. The code is distributed WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*/
'use strict';
import * as Lib from './convenience.js';
import * as Settings from './settings.js';
// CONST GSP - base
const SCREEN =
'_SCREENCAST_RES_ _ENCODER_VIDEO_ ! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! _CONTAINER_';
// CONST GSP - base plus sound
const SCREEN_SOUND =
'queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! _SCREENCAST_RES_ _ENCODER_VIDEO_ ! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! mux. pulsesrc ! audioconvert ! _ENCODER_AUDIO_ ! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! mux. _CONTAINER_ name=mux ';
// CONST GSP - base plus webcam
const SCREEN_WEBCAM =
'queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! videomixer name=mix _WEBCAM_OPT_ ! videoconvert ! _SCREENCAST_RES_ _ENCODER_VIDEO_ ! mux. v4l2src _WEBCAM_DEV_ ! _WEBCAM_CAP_ ! videoscale ! video/x-raw, width=_WEBCAM_W_, height=_WEBCAM_H_, add-borders=false ! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! mix. _CONTAINER_ name=mux';
// CONST GSP - base plus sound and webcam stream
const SCREEN_WEBCAM_SOUND =
'queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! videomixer name=mix _WEBCAM_OPT_ ! videoconvert ! _SCREENCAST_RES_ _ENCODER_VIDEO_ ! mux. v4l2src _WEBCAM_DEV_ ! _WEBCAM_CAP_ ! videoscale ! video/x-raw, width=_WEBCAM_W_, height=_WEBCAM_H_, add-borders=false ! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! mix. pulsesrc ! audioconvert ! _ENCODER_AUDIO_ ! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 ! mux. _CONTAINER_ name=mux';
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// CONST CONTAINER - WebM
const webmVP8 = {
fileExt: '.webm',
nameGSP: 'webmmux',
quality: [
{
// quality level 0
fps: 15,
vq:
'vp8enc min_quantizer=13 max_quantizer=20 cpu-used=5 deadline=1000000 sharpness=2 target-bitrate=10000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 15 \nVideo -> VP8 Encoder:\n-min_quantizer=13\n-max_quantizer=20\n-cpu-used=5\n-deadline=1000000\n-sharpness=2\n-target-bitrate=10000\nAudio -> Vorbis Encoder',
},
{
// quality level 1
fps: 30,
vq:
'vp8enc min_quantizer=4 max_quantizer=13 cpu-used=2 deadline=500000 sharpness=0 target-bitrate=15000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 30 \nVideo -> VP8 Encoder:\n-min_quantizer=4\n-max_quantizer=13\n-cpu-used=2\n-deadline=500000\n-sharpness=0\n-target-bitrate=15000\nAudio -> Vorbis Encoder',
},
{
// quality level 2
fps: 30,
vq:
'vp8enc min_quantizer=0 max_quantizer=7 cpu-used=1 deadline=500000 sharpness=0 target-bitrate=25000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 30 \nVideo -> VP8 Encoder:\n-min_quantizer=0\n-max_quantizer=7\n-cpu-used=1\n-deadline=500000\n-sharpness=0\n-target-bitrate=25000\nAudio -> Vorbis Encoder',
},
{
// quality level 3
fps: 60,
vq:
'vp8enc min_quantizer=0 max_quantizer=0 cpu-used=0 deadline=100000 sharpness=0 target-bitrate=40000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 60 \nVideo -> VP8 Encoder:\n-min_quantizer=0\n-max_quantizer=0\n-cpu-used=0\n-deadline=100000\n-sharpness=0\n-target-bitrate=40000\nAudio -> Vorbis Encoder',
},
],
};
const webmVP9 = {
fileExt: '.webm',
nameGSP: 'webmmux',
quality: [
{
// quality level 0
fps: 15,
vq:
'vp9enc min_quantizer=13 max_quantizer=20 cpu-used=5 deadline=1000000 sharpness=2 target-bitrate=10000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 15 \nVideo -> VP9 Encoder:\n-min_quantizer=13\n-max_quantizer=20\n-cpu-used=5\n-deadline=1000000\n-sharpness=2\n-target-bitrate=10000\nAudio -> Vorbis Encoder',
},
{
// quality level 1
fps: 30,
vq:
'vp9enc min_quantizer=4 max_quantizer=13 cpu-used=2 deadline=500000 sharpness=0 target-bitrate=15000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 30 \nVideo -> VP9 Encoder:\n-min_quantizer=4\n-max_quantizer=13\n-cpu-used=2\n-deadline=500000\n-sharpness=0\n-target-bitrate=15000\nAudio -> Vorbis Encoder',
},
{
// quality level 2
fps: 30,
vq:
'vp9enc min_quantizer=0 max_quantizer=7 cpu-used=1 deadline=500000 sharpness=0 target-bitrate=25000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 30 \nVideo -> VP9 Encoder:\n-min_quantizer=0\n-max_quantizer=7\n-cpu-used=1\n-deadline=500000\n-sharpness=0\n-target-bitrate=25000\nAudio -> Vorbis Encoder',
},
{
// quality level 3
fps: 60,
vq:
'vp9enc min_quantizer=0 max_quantizer=0 cpu-used=0 deadline=100000 sharpness=0 target-bitrate=40000 threads=%T',
aq: 'vorbisenc',
descr:
'FPS: 60 \nVideo -> VP9 Encoder:\n-min_quantizer=0\n-max_quantizer=0\n-cpu-used=0\n-deadline=100000\n-sharpness=0\n-target-bitrate=40000\nAudio -> Vorbis Encoder',
},
],
};
// CONST CONTAINER - Mp4
const mp4 = {
fileExt: '.mp4',
nameGSP: 'mp4mux',
quality: [
{
// quality level 0
fps: 15,
vq:
'x264enc psy-tune="none" speed-preset="superfast" subme=1 qp-min=28 qp-max=40 threads=%T',
aq: 'lamemp3enc',
descr:
'FPS: 15 \nVideo -> x264enc Encoder:\n-psy-tune="none"\n-speed-preset="superfast"\n-subme=1\n-qp-min=28\n-qp-max=40\nAudio -> Mp3 Encoder',
},
{
// quality level 1
fps: 30,
vq:
'x264enc psy-tune="animation" speed-preset="fast" subme=5 qp-min=18 qp-max=28 threads=%T',
aq: 'lamemp3enc',
descr:
'FPS: 30 \nVideo -> x264enc Encoder:\n-psy-tune="animation"\n-speed-preset="fast"\n-subme=5\n-qp-min=18\n-qp-max=28\nAudio -> Mp3 Encoder',
},
{
// quality level 2
fps: 30,
vq:
'x264enc psy-tune="animation" speed-preset="medium" subme=8 qp-min=10 qp-max=18 threads=%T',
aq: 'lamemp3enc',
descr:
'FPS: 30 \nVideo -> x264enc Encoder:\n-psy-tune="animation"\n-speed-preset="medium"\n-subme=8\n-qp-min=10\n-qp-max=18\nAudio -> Mp3 Encoder',
},
{
// quality level 3
fps: 60,
vq:
'x264enc psy-tune="film" speed-preset="slower" subme=10 qp-min=0 qp-max=10 threads=%T',
aq: 'lamemp3enc',
descr:
'FPS: 60 \nVideo -> x264enc Encoder:\n-psy-tune="film"\n-speed-preset="slower"\n-subme=10\n-qp-min=0\n-qp-max=10\nAudio -> Mp3 Encoder',
},
],
};
const mp4Aac = {
fileExt: '.mp4',
nameGSP: 'mp4mux',
quality: [
{
// quality level 0
fps: 15,
vq:
'x264enc psy-tune="none" speed-preset="superfast" subme=1 qp-min=28 qp-max=40 threads=%T',
aq: 'avenc_aac',
descr:
'FPS: 15 \nVideo -> x264enc Encoder:\n-psy-tune="none"\n-speed-preset="superfast"\n-subme=1\n-qp-min=28\n-qp-max=40\nAudio -> AAC Encoder',
},
{
// quality level 1
fps: 30,
vq:
'x264enc psy-tune="animation" speed-preset="fast" subme=5 qp-min=18 qp-max=28 threads=%T',
aq: 'avenc_aac',
descr:
'FPS: 30 \nVideo -> x264enc Encoder:\n-psy-tune="animation"\n-speed-preset="fast"\n-subme=5\n-qp-min=18\n-qp-max=28\nAudio -> AAC Encoder',
},
{
// quality level 2
fps: 30,
vq:
'x264enc psy-tune="animation" speed-preset="medium" subme=8 qp-min=10 qp-max=18 threads=%T',
aq: 'avenc_aac',
descr:
'FPS: 30 \nVideo -> x264enc Encoder:\n-psy-tune="animation"\n-speed-preset="medium"\n-subme=8\n-qp-min=10\n-qp-max=18\nAudio -> AAC Encoder',
},
{
// quality level 3
fps: 60,
vq:
'x264enc psy-tune="film" speed-preset="slower" subme=10 qp-min=0 qp-max=10 threads=%T',
aq: 'avenc_aac',
descr:
'FPS: 60 \nVideo -> x264enc Encoder:\n-psy-tune="film"\n-speed-preset="slower"\n-subme=10\n-qp-min=0\n-qp-max=10\nAudio -> AAC Encoder',
},
],
};
// CONST CONTAINER - Mkv
const mkv = {
fileExt: '.mkv',
nameGSP: 'matroskamux',
quality: [
{
// quality level 0
fps: 15,
vq:
'x264enc psy-tune="none" speed-preset="superfast" subme=1 qp-min=28 qp-max=40 threads=%T',
aq: 'flacenc',
descr:
'FPS: 15 \nVideo -> x264enc Encoder:\n-psy-tune="none"\n-speed-preset="superfast"\n-subme=1\n-qp-min=28\n-qp-max=40\nAudio -> Flac Encoder',
},
{
// quality level 1
fps: 30,
vq:
'x264enc psy-tune="animation" speed-preset="fast" subme=5 qp-min=18 qp-max=28 threads=%T',
aq: 'flacenc',
descr:
'FPS: 30 \nVideo -> x264enc Encoder:\n-psy-tune="animation"\n-speed-preset="fast"\n-subme=5\n-qp-min=18\n-qp-max=28\nAudio -> Flac Encoder',
},
{
// quality level 2
fps: 30,
vq:
'x264enc psy-tune="animation" speed-preset="medium" subme=8 qp-min=10 qp-max=18 threads=%T',
aq: 'flacenc',
descr:
'FPS: 30 \nVideo -> x264enc Encoder:\n-psy-tune="animation"\n-speed-preset="medium"\n-subme=8\n-qp-min=10\n-qp-max=18\nAudio -> Flac Encoder',
},
{
// quality level 3
fps: 60,
vq:
'x264enc psy-tune="film" speed-preset="slower" subme=10 qp-min=0 qp-max=10 threads=%T',
aq: 'flacenc',
descr:
'FPS: 60 \nVideo -> x264enc Encoder:\n-psy-tune="film"\n-speed-preset="slower"\n-subme=10\n-qp-min=0\n-qp-max=10\nAudio -> Flac Encoder',
},
],
};
// CONST CONTAINER - Ogg
const ogg = {
fileExt: '.ogg',
nameGSP: 'oggmux',
quality: [
{
// quality level 0
fps: 15,
vq:
'theoraenc speed-level=3 vp3-compatible=true quality=10 bitrate=10000',
aq: 'opusenc',
descr:
'FPS: 15 \nVideo -> Theora Encoder:\n-speed-level=3\n-vp3-compatible=true\n-quality=10\n-bitrate=10000\nAudio -> Opus Encoder',
},
{
// quality level 1
fps: 30,
vq:
'theoraenc speed-level=1 vp3-compatible=false quality=30 bitrate=25000',
aq: 'opusenc',
descr:
'FPS: 30 \nVideo -> Theora Encoder:\n-speed-level=1\n-vp3-compatible=false\n-quality=30\n-bitrate=25000\nAudio -> Opus Encoder',
},
{
// quality level 2
fps: 30,
vq:
'theoraenc speed-level=0 vp3-compatible=false quality=50 bitrate=50000',
aq: 'opusenc',
descr:
'FPS: 30 \nVideo -> Theora Encoder:\n-speed-level=0\n-vp3-compatible=false\n-quality=50\n-bitrate=50000\nAudio -> Opus Encoder',
},
{
// quality level 3
fps: 60,
vq:
'theoraenc speed-level=0 vp3-compatible=false quality=60 bitrate=100000',
aq: 'opusenc',
descr:
'FPS: 60 \nVideo -> Theora Encoder\n-speed-level=0\n-vp3-compatible=false\n-quality=60\n-bitrate=100000\nAudio -> Opus Encoder',
},
],
};
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// CONST RESOLUTION
const RESOLUTION = [
// NATIVE SCREENCAST RESOLUTION
'',
// PRESET/CUSTOM SCREENCAST RESOLUTION
'videoscale ! video/x-raw, width=_RES_WIDTH_, height=_RES_HEIGHT_, add-borders=_RES_KAR_ ! ',
];
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// VAR ARRAY CONTAINER
// see cbt_FileContainer in *.glade files for the combo box
const CONTAINER = [webmVP8, webmVP9, mp4, mkv, ogg, mp4Aac];
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
/**
* Compose GSP
*
* @param {EasyScreenCastSettings} settings the extension's settings
* @param {MixerAudio} mixer the mixer
*
* @returns {string}
*/
export function composeGSP(settings, mixer) {
Lib.TalkativeLog('-§-COMPOSE GSP');
let tmpGSP = '';
// retrieve options
let deviceWebcam = settings.getOption('s', Settings.DEVICE_WEBCAM_SETTING_KEY);
let deviceAudio = settings.getOption('i', Settings.INPUT_AUDIO_SOURCE_SETTING_KEY);
let qualityGSP = settings.getOption('i', Settings.QUALITY_SETTING_KEY);
let qualityWebcam = settings.getOption('s', Settings.QUALITY_WEBCAM_SETTING_KEY);
let resolutionType = settings.getOption('i', Settings.FILE_RESOLUTION_TYPE_SETTING_KEY);
let resolutionKAR = settings.getOption('b', Settings.FILE_RESOLUTION_KAR_SETTING_KEY);
let resolutionHeight = settings.getOption('i', Settings.FILE_RESOLUTION_HEIGHT_SETTING_KEY);
let resolutionWidth = settings.getOption('i', Settings.FILE_RESOLUTION_WIDTH_SETTING_KEY);
let container = settings.getOption('i', Settings.FILE_CONTAINER_SETTING_KEY);
Lib.TalkativeLog(
`-§-get option||devW: ${deviceWebcam}||devA: ${deviceAudio}||Qgsp: ${qualityGSP}||Qwc: ${qualityWebcam}||Res: ${resolutionType}||Cont: ${container}`
);
if (deviceWebcam !== '') {
switch (deviceAudio) {
case 0:
Lib.TalkativeLog('-§- SCREEN-WEBCAM');
tmpGSP = SCREEN_WEBCAM;
// replace WEBCAM_DEVICE/WEBCAM_CAPS
tmpGSP = _replaceWebcam(
tmpGSP,
deviceWebcam,
qualityWebcam,
settings
);
break;
case 1:
Lib.TalkativeLog('-§-SCREEN-WEBCAM-AUDIO(d)');
tmpGSP = SCREEN_WEBCAM_SOUND;
// replace WEBCAM_DEVICE/WEBCAM_CAPS/ENCODER-AUDIO
tmpGSP = _replaceAudio(
_replaceWebcam(tmpGSP, deviceWebcam, qualityWebcam, settings),
true,
container,
qualityGSP,
mixer
);
break;
default:
Lib.TalkativeLog('-§-SCREEN-WEBCAM-AUDIO');
tmpGSP = SCREEN_WEBCAM_SOUND;
// replace WEBCAM_DEVICE/WEBCAM_CAPS/ENCODER-AUDIO/AUDIO_DEVICE
tmpGSP = _replaceAudio(
_replaceWebcam(tmpGSP, deviceWebcam, qualityWebcam, settings),
false,
container,
qualityGSP,
mixer
);
}
} else {
switch (deviceAudio) {
case 0:
Lib.TalkativeLog('-§-SCREEN');
tmpGSP = SCREEN;
break;
case 1:
Lib.TalkativeLog('-§-SCREEN-AUDIO(d)');
tmpGSP = SCREEN_SOUND;
// replace ENCODER-AUDIO
tmpGSP = _replaceAudio(
tmpGSP,
true,
container,
qualityGSP,
mixer
);
break;
default:
Lib.TalkativeLog('-§-SCREEN-AUDIO');
tmpGSP = SCREEN_SOUND;
// replace ENCODER-AUDIO/AUDIO_DEVICE
tmpGSP = _replaceAudio(
tmpGSP,
false,
container,
qualityGSP,
mixer
);
}
}
// compose resolution string
var resolution = _composeResolution(
resolutionType,
resolutionHeight,
resolutionWidth,
resolutionKAR
);
// replace RESOLUTION/ENCODER-VIDEO/CONTAINER
var mapObj = {
_SCREENCAST_RES_: resolution,
_ENCODER_VIDEO_: CONTAINER[container].quality[qualityGSP].vq,
_CONTAINER_: CONTAINER[container].nameGSP,
};
tmpGSP = tmpGSP.replace(
/_SCREENCAST_RES_|_ENCODER_VIDEO_|_CONTAINER_/gi,
match => {
return mapObj[match];
}
);
Lib.TalkativeLog(`-§-final GSP :${tmpGSP}`);
return tmpGSP;
}
/**
* replace audio
*
* @param {string} gspRA input pipeline to be modified
* @param {boolean} defaultAudio whether to use the default audio device
* @param {int} ConTMP selected output container. Used to determine correct audio encoder
* @param {int} QGSPtmp quality setting
* @param {MixerAudio} mixer audio mixer
* @returns {string} pipeline with audio
*/
function _replaceAudio(gspRA, defaultAudio, ConTMP, QGSPtmp, mixer) {
Lib.TalkativeLog(`-§-replace audio default->${defaultAudio}`);
// replace device/encoder
var aq = CONTAINER[ConTMP].quality[QGSPtmp].aq;
Lib.TalkativeLog(`-§-pipeline pre-audio:${gspRA} aq:${aq}`);
var audioPipeline;
if (defaultAudio) {
Lib.TalkativeLog('-§-default audio source');
audioPipeline = gspRA.replace(/_ENCODER_AUDIO_/gi, aq);
} else {
var audiosource = mixer.getAudioSource();
if (audiosource === undefined) {
Lib.TalkativeLog('-§-failure combination of array audio sources');
audioPipeline = gspRA.replace(/_ENCODER_AUDIO_/gi, aq);
} else {
Lib.TalkativeLog('-§-correct audio source assignment');
if (audiosource.indexOf('output') !== -1)
audiosource += '.monitor';
var reDev = `pulsesrc device="${audiosource}"`;
var mapObj = {
pulsesrc: reDev,
_ENCODER_AUDIO_: aq,
};
audioPipeline = gspRA.replace(
/pulsesrc|_ENCODER_AUDIO_/gi,
match => {
return mapObj[match];
}
);
}
}
Lib.TalkativeLog(`-§-pipeline post-audio:${audioPipeline}`);
return audioPipeline;
}
/**
* replace webcam
*
* @param {string} gspRW input pipeline to be modified
* @param {string} device webcam device file (e.g. /dev/video0)
* @param {string} caps quality options
* @param {EasyScreenCastSettings} settings the extension's settings
* @returns {string} pipeline with webcam settings
*/
function _replaceWebcam(gspRW, device, caps, settings) {
Lib.TalkativeLog(`-§-replace webcam -> ${device} caps: ${caps}`);
// replace device/caps
var reDev = `device=${device}`;
var reWCopt = _composeWebCamOption(settings);
var [reWCwidth, reWCheight] = _getWebCamDimension(settings);
Lib.TalkativeLog(`-§-pipeline pre-webcam:${gspRW}`);
var mapObj = {
_WEBCAM_DEV_: reDev,
_WEBCAM_CAP_: caps,
_WEBCAM_OPT_: reWCopt,
_WEBCAM_W_: reWCwidth,
_WEBCAM_H_: reWCheight,
};
var webcamPipeline = gspRW.replace(
/_WEBCAM_DEV_|_WEBCAM_CAP_|_WEBCAM_OPT_|_WEBCAM_W_|_WEBCAM_H_/gi,
match => {
return mapObj[match];
}
);
Lib.TalkativeLog(`-§-pipeline post-webcam:${webcamPipeline}`);
return webcamPipeline;
}
/**
* replace resolution
*
* @param {int} tmpRes resolution type: native/custom
* @param {int} h custom height
* @param {int} w custom width
* @param {boolean} kar whether to keep aspect ratio
* @returns {string} pipeline part for scaling resolution
*/
function _composeResolution(tmpRes, h, w, kar) {
Lib.TalkativeLog(`-§-resolution option: ${tmpRes}`);
var strRes = RESOLUTION[0];
var mapObj = {};
switch (tmpRes) {
case -1:
break;
case 999:
mapObj = {
_RES_KAR_: kar ? 'true' : 'false',
_RES_HEIGHT_: h,
_RES_WIDTH_: w,
};
strRes = RESOLUTION[1].replace(
/_RES_KAR_|_RES_HEIGHT_|_RES_WIDTH_/gi,
match => {
return mapObj[match];
}
);
break;
default:
mapObj = {
_RES_KAR_: 'true',
_RES_HEIGHT_: h,
_RES_WIDTH_: w,
};
strRes = RESOLUTION[1].replace(
/_RES_KAR_|_RES_WIDTH_|_RES_HEIGHT_/gi,
match => {
return mapObj[match];
}
);
}
Lib.TalkativeLog(`-§-compose resolution: ${strRes}`);
return strRes;
}
/**
* compose option webcam position
*
* @param {EasyScreenCastSettings} settings the extension's settings
*
* @returns {string}
*/
function _composeWebCamOption(settings) {
Lib.TalkativeLog('-§-compose webcam option');
// retrieve option webcam
var webcamAlpha = settings.getOption('d', Settings.ALPHA_CHANNEL_WEBCAM_SETTING_KEY);
var webcamMarginX = settings.getOption('i', Settings.MARGIN_X_WEBCAM_SETTING_KEY);
var webcamMarginY = settings.getOption('i', Settings.MARGIN_Y_WEBCAM_SETTING_KEY);
var webcamCornerPosition = settings.getOption('i', Settings.CORNER_POSITION_WEBCAM_SETTING_KEY);
var [webcamWidth, webcamHeight, screenWidth, screenHeight] = _getWebCamDimension(settings);
var posX = 0;
var posY = 0;
Lib.TalkativeLog(
`-§-alpha=${webcamAlpha} |marX=${webcamMarginX} |marY=${webcamMarginY} |corner=${webcamCornerPosition}`
);
// corner top-left
posX = webcamMarginX;
posY = webcamMarginY;
switch (webcamCornerPosition) {
case 0:
// corner bottom-right
posX = Math.floor(screenWidth - (webcamWidth + webcamMarginX));
posY = Math.floor(screenHeight - (webcamHeight + webcamMarginY));
break;
case 1:
// corner bottom-left
posX = webcamMarginX;
posY = Math.floor(screenHeight - (webcamHeight + webcamMarginY));
break;
case 2:
// corner top-right
posX = Math.floor(screenWidth - (webcamWidth + webcamMarginX));
posY = webcamMarginY;
break;
default:
}
// check valid position
if ((posX < 0 || posX > screenWidth) && (posY < 0 || posY > screenHeight)) {
Lib.TalkativeLog('-§-NOT valid position');
posX = 0;
posY = 0;
}
var tmpWCopt =
`sink_0::alpha=1 sink_1::alpha=${
webcamAlpha
} sink_1::xpos=${
posX
} sink_1::ypos=${
posY
} `;
Lib.TalkativeLog(`-§-posX=${posX} |posY=${posY}`);
Lib.TalkativeLog(`-§-webcam option=${tmpWCopt}`);
return tmpWCopt;
}
/**
* retrieve dimension webcam
*
* @param {EasyScreenCastSettings} settings the extension's settings
*
* @returns {*[]} array with webcam width,height,screen-width,screen-height
*/
function _getWebCamDimension(settings) {
Lib.TalkativeLog('-§-get webcam dimension');
var webcamWidth = settings.getOption('i', Settings.WIDTH_WEBCAM_SETTING_KEY);
var webcamHeight = settings.getOption('i', Settings.HEIGHT_WEBCAM_SETTING_KEY);
var webcamUnit = settings.getOption('i', Settings.TYPE_UNIT_WEBCAM_SETTING_KEY);
var screenWidth = settings.getOption('i', Settings.WIDTH_SETTING_KEY);
var screenHeight = settings.getOption('i', Settings.HEIGHT_SETTING_KEY);
if (settings.getOption('i', Settings.AREA_SCREEN_SETTING_KEY) === 0) {
screenWidth = global.screen_width;
screenHeight = global.screen_height;
}
Lib.TalkativeLog(
`-§-WC w=${webcamWidth} WC h=${webcamHeight} WCtype=${webcamUnit} screen W=${screenWidth} screen H=${screenHeight}`
);
if (webcamUnit === 0) {
webcamWidth = Math.floor((screenWidth * webcamWidth) / 100);
webcamHeight = Math.floor((screenHeight * webcamHeight) / 100);
}
Lib.TalkativeLog(`-§-after percentage WCw=${webcamWidth} WCh=${webcamHeight}`);
return [webcamWidth, webcamHeight, screenWidth, screenHeight];
}
/**
* get description
*
* @param {int} quality selected quality
* @param {int} container selected container format
* @returns {string}
*/
export function getDescr(quality, container) {
Lib.TalkativeLog(`-§-get description Q-> ${quality} C-> ${container}`);
return CONTAINER[container].quality[quality].descr;
}
/**
* get fps
*
* @param {int} quality selected quality
* @param {int} container selected container format
* @returns {number}
*/
export function getFps(quality, container) {
Lib.TalkativeLog(`-§-get fps Q-> ${quality} C-> ${container}`);
return CONTAINER[container].quality[quality].fps;
}
/**
* get file extension
*
* @param {int} container selected container format
* @returns {string}
*/
export function getFileExtension(container) {
Lib.TalkativeLog(`-§-get file extension C-> ${container}`);
return CONTAINER[container].fileExt;
}