value: function _buildMediaConstraints()

in release/connect-rtc.js [10036:10113]
67 lines of code
20 McCabe index (conditional complexity)

        value: function _buildMediaConstraints() {
            var self = this;
            var mediaConstraints = {};

            if (self._enableAudio) {
                var audioConstraints = {};
                if (typeof self._echoCancellation !== 'undefined') {
                    audioConstraints.echoCancellation = !!self._echoCancellation;
                }
                if (Object.keys(audioConstraints).length > 0) {
                    mediaConstraints.audio = audioConstraints;
                } else {
                    mediaConstraints.audio = true;
                }
            } else {
                mediaConstraints.audio = false;
            }

            if (self._enableVideo) {
                var videoConstraints = {};
                var widthConstraints = {};
                var heightConstraints = {};
                var frameRateConstraints = {};

                //build video width constraints
                if (typeof self._idealVideoWidth !== 'undefined') {
                    widthConstraints.ideal = self._idealVideoWidth;
                }
                if (typeof self._maxVideoWidth !== 'undefined') {
                    widthConstraints.max = self._maxVideoWidth;
                }
                if (typeof self._minVideoWidth !== 'undefined') {
                    widthConstraints.min = self._minVideoWidth;
                }
                // build video height constraints
                if (typeof self._idealVideoHeight !== 'undefined') {
                    heightConstraints.ideal = self._idealVideoHeight;
                }
                if (typeof self._maxVideoHeight !== 'undefined') {
                    heightConstraints.max = self._maxVideoHeight;
                }
                if (typeof self._minVideoHeight !== 'undefined') {
                    heightConstraints.min = self._minVideoHeight;
                }
                if (Object.keys(widthConstraints).length > 0 && Object.keys(heightConstraints).length > 0) {
                    videoConstraints.width = widthConstraints;
                    videoConstraints.height = heightConstraints;
                }
                // build frame rate constraints
                if (typeof self._videoFrameRate !== 'undefined') {
                    frameRateConstraints.ideal = self._videoFrameRate;
                }
                if (typeof self._minVideoFrameRate !== 'undefined') {
                    frameRateConstraints.min = self._minVideoFrameRate;
                }
                if (typeof self._maxVideoFrameRate !== 'undefined') {
                    frameRateConstraints.max = self._maxVideoFrameRate;
                }
                if (Object.keys(frameRateConstraints).length > 0) {
                    videoConstraints.frameRate = frameRateConstraints;
                }

                // build facing mode constraints
                if (self._facingMode !== 'user' && self._facingMode !== "environment") {
                    self._facingMode = 'user';
                }
                videoConstraints.facingMode = self._facingMode;

                // set video constraints
                if (Object.keys(videoConstraints).length > 0) {
                    mediaConstraints.video = videoConstraints;
                } else {
                    mediaConstraints.video = true;
                }
            }

            return mediaConstraints;
        }