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cleanup error handling; faster cartoonizaion
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -7,7 +7,13 @@ import { | |
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| import 'https://cdn.jsdelivr.net/npm/@tensorflow/[email protected]/dist/tf.min.js' | ||
| import 'https://cdn.jsdelivr.net/npm/@tensorflow/[email protected]/dist/tf-backend-webgpu.min.js' | ||
| import 'https://cdn.jsdelivr.net/npm/@tensorflow/[email protected]/dist/tf-backend-webgl.min.js' | ||
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| if (typeof CropTarget === 'undefined' || | ||
| typeof navigator.mediaDevices.getDisplayMedia === 'undefined' || | ||
| typeof MediaStreamTrackProcessor === 'undefined' || | ||
| typeof MediaStreamTrackGenerator === 'undefined' || | ||
| typeof VideoFrame === 'undefined') | ||
| out_video.outerHTML = '<div><p>Not supported by your browser :(</p><p>Try in Chromium desktop!</p><div>' | ||
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| video_url.addEventListener('change', e => get_video(e.currentTarget)) | ||
| video_url.addEventListener('keydown', e => {if (e.key == 'Enter' || e.key == 'Tab') get_video(e.currentTarget)}) | ||
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@@ -164,7 +170,7 @@ const effect_funcs = { | |
| } | ||
| }, | ||
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| 'cartoonization': (W, H, stride, Voffset, Uoffset, yuv, rgba, models, videoFrame) => { | ||
| 'cartoonization': (W, H, stride, Voffset, Uoffset, yuv, rgba, models, videoFrame, canvas) => { | ||
| let rgb = new Float32Array(W * H * 3) | ||
| for (let y = 0; y < H; y++) { | ||
| const yUV = (y >> 1) * stride | ||
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@@ -183,25 +189,15 @@ const effect_funcs = { | |
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| tf.tidy(() => { | ||
| rgb = models['cartoon'].execute(tf.tensor4d(rgb, [1, H, W, 3]) | ||
| .resizeBilinear([720, 720]) | ||
| .div(127.5) | ||
| .sub(1)) | ||
| .add(1) | ||
| .mul(127.5) | ||
| .cast('int32') | ||
| .resizeBilinear([H, W]) | ||
| .dataSync() | ||
| .resizeBilinear([720, 720]) | ||
| .div(127.5) | ||
| .sub(1)) | ||
| .squeeze() | ||
| .resizeBilinear([H, W]) | ||
| .add(1) | ||
| .div(2) | ||
| tf.browser.draw(rgb, canvas) | ||
| }) | ||
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| for (let y = 0; y < H; y++) | ||
| for (let x = 0; x < W; x++) { | ||
| const offset3 = (x+y*W) * 3 | ||
| const offset4 = (x+y*W) * 4 | ||
| rgba[offset4] = rgb[offset3] | ||
| rgba[offset4 + 1] = rgb[offset3 + 1] | ||
| rgba[offset4 + 2] = rgb[offset3 + 2] | ||
| rgba[offset4 + 3] = 255 | ||
| } | ||
| }, | ||
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| 'pixel_sorting': (W, H, stride, Voffset, Uoffset, yuv, rgba) => { | ||
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@@ -278,7 +274,6 @@ const effect_funcs = { | |
| effect_funcs['recode_landmarks'] = effect_funcs['recode_original'] | ||
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| let capture_started | ||
| const unsupported_message = '<div><p>Not supported by your browser :(</p><p>Try in Chromium desktop!</p><div>' | ||
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| async function capture() { | ||
| if (capture_started) | ||
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@@ -290,35 +285,23 @@ async function capture() { | |
| preferCurrentTab: true | ||
| }) | ||
| } catch (e) { | ||
| if (e instanceof TypeError) { | ||
| console.error(e) | ||
| out_video.outerHTML = unsupported_message | ||
| } else { | ||
| console.warn(e) | ||
| capture_started = false | ||
| } | ||
| console.warn(e) | ||
| capture_started = false | ||
| return | ||
| } | ||
| const [track] = stream.getVideoTracks() | ||
| track.addEventListener('ended', () => capture_started = false) | ||
| try { | ||
| if (typeof RestrictionTarget !== 'undefined') { | ||
| // In Google Chrome, enable chrome://flags/#element-capture - this will enable fullscreen zoom of output | ||
| // See: https://developer.chrome.com/docs/web-platform/element-capture | ||
| // Note that pinch zoom pauses the stream: https://issues.chromium.org/issues/337337168 | ||
| const restrictionTarget = await RestrictionTarget.fromElement(orig_video) | ||
| await track.restrictTo(restrictionTarget) | ||
| out_container.oncontextmenu = e => toggle_fullscreen(e) | ||
| out_container.title = 'Right-click to enter/exit fullscreen' | ||
| } catch (e) { | ||
| console.warn(e) | ||
| try { | ||
| const cropTarget = await CropTarget.fromElement(orig_video) | ||
| await track.cropTo(cropTarget) | ||
| } catch (e){ | ||
| console.error(e) | ||
| out_video.outerHTML = unsupported_message | ||
| return | ||
| } | ||
| } else { | ||
| const cropTarget = await CropTarget.fromElement(orig_video) | ||
| await track.cropTo(cropTarget) | ||
| } | ||
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| const vision = await FilesetResolver.forVisionTasks('https://cdn.jsdelivr.net/npm/@mediapipe/[email protected]/wasm') | ||
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@@ -384,7 +367,7 @@ async function capture() { | |
| const copyResult = await videoFrame.copyTo(yuv) | ||
| const { stride, offset: Voffset } = copyResult[1] | ||
| const { offset: Uoffset } = copyResult[2] | ||
| effect_funcs[effect.value](W, H, stride, Voffset, Uoffset, yuv, rgba, models, videoFrame) | ||
| effect_funcs[effect.value](W, H, stride, Voffset, Uoffset, yuv, rgba, models, videoFrame, canvas) | ||
| } | ||
| const init = { | ||
| codedHeight: H, | ||
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