diff options
Diffstat (limited to 'web/js/stream.js')
| -rw-r--r-- | web/js/stream.js | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/web/js/stream.js b/web/js/stream.js new file mode 100644 index 00000000..af3e45e9 --- /dev/null +++ b/web/js/stream.js @@ -0,0 +1,119 @@ +function Stream() { + // var self = this; + + /********************************************************************************/ + + var __prev_state = false; + + var __quality = 80; + + var __normal_size = {width: 640, height: 480}; + var __size_factor = 1; + + var __init__ = function() { + $("stream-led").title = "Stream inactive"; + + var quality = 10; + for (; quality <= 100; quality += 10) { + $("stream-quality-select").innerHTML += "<option value=\"" + quality + "\">" + quality + "%</option>"; + } + + tools.setOnClick($("stream-reset-button"), __clickResetButton); + $("stream-quality-select").onchange = __changeQuality; + $("stream-size-slider").oninput = __resize; + $("stream-size-slider").onchange = __resize; + + __startPoller(); + }; + + /********************************************************************************/ + + // XXX: In current implementation we don't need this event because Stream() has own state poller + + var __startPoller = function() { + var http = tools.makeRequest("GET", "/streamer/ping", function() { + if (http.readyState === 4) { + var response = (http.status === 200 ? JSON.parse(http.responseText) : null); + if (http.status !== 200 || !response.stream.online) { + tools.info("Refreshing stream ..."); + __prev_state = false; + $("stream-image").className = "stream-image-inactive"; + $("stream-box").classList.add("stream-box-inactive"); + $("stream-led").className = "led-off"; + $("stream-led").title = "Stream inactive"; + $("stream-reset-button").disabled = true; + $("stream-quality-select").disabled = true; + } else if (http.status === 200 && !__prev_state) { + __normal_size = response.stream.resolution; + __refreshImage(); + __prev_state = true; + $("stream-image").className = "stream-image-active"; + $("stream-box").classList.remove("stream-box-inactive"); + $("stream-led").className = "led-on"; + $("stream-led").title = "Stream is active"; + $("stream-reset-button").disabled = false; + $("stream-quality-select").disabled = false; + } + } + }); + setTimeout(__startPoller, 1500); + }; + + var __clickResetButton = function() { + $("stream-reset-button").disabled = true; + var http = tools.makeRequest("POST", "/kvmd/streamer/reset", function() { + if (http.readyState === 4) { + if (http.status !== 200) { + ui.error("Can't reset stream:<br>", http.responseText); + } + } + }); + }; + + var __changeQuality = function() { + var quality = parseInt($("stream-quality-select").value); + if (__quality != quality) { + $("stream-quality-select").disabled = true; + var http = tools.makeRequest("POST", "/kvmd/streamer/set_params?quality=" + quality, function() { + if (http.readyState === 4) { + if (http.status !== 200) { + ui.error("Can't configure stream:<br>", http.responseText); + } + } + }); + } + }; + + var __resize = function() { + var percent = $("stream-size-slider").value; + $("stream-size-value").innerHTML = percent + "%"; + __size_factor = percent / 100; + __applySizeFactor(); + }; + + var __applySizeFactor = function() { + var el_stream_image = $("stream-image"); + el_stream_image.style.width = __normal_size.width * __size_factor + "px"; + el_stream_image.style.height = __normal_size.height * __size_factor + "px"; + ui.showWindow($("stream-window"), false); + }; + + var __refreshImage = function() { + var http = tools.makeRequest("GET", "/kvmd/streamer", function() { + if (http.readyState === 4 && http.status === 200) { + var result = JSON.parse(http.responseText).result; + + if (__quality != result.quality) { + tools.info("Quality changed:", result.quality); + document.querySelector("#stream-quality-select [value=\"" + result.quality + "\"]").selected = true; + __quality = result.quality; + } + + __applySizeFactor(); + $("stream-image").src = "/streamer/stream?t=" + new Date().getTime(); + } + }); + }; + + __init__(); +} |