tweak
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parent
7fa606743f
commit
5196adef43
7 changed files with 6 additions and 18 deletions
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@ -589,7 +589,6 @@ function decimate(input, palette, n) {
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// preface the reserved bits
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let buckets = reserved.slice().map((c) => [atariRGB[c]]).concat([input.slice()]);
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if (input.length != 160) {
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console.log(input.length);
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throw new Error('xxx bad input size');
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}
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@ -615,7 +614,6 @@ function decimate(input, palette, n) {
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};
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let medianCut = (bucket, range) => {
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if (bucket.length < 2) {
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console.log(bucket);
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throw new Error('short bucket');
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}
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//console.log('medianCut', bucket, range);
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@ -642,7 +640,6 @@ function decimate(input, palette, n) {
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// Find the bucket with the greatest range in any channel
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let ranges = buckets.map((bucket) => {
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if (bucket.length == 0) {
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console.log(buckets);
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throw new Error('xxx empty bucket');
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}
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let red = bucket.map((rgb) => rgb.r);
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@ -766,13 +763,7 @@ function decimate(input, palette, n) {
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let index = dists.indexOf(closest);
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return palette[index];
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});
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// hack
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decimated.sort((a, b) => a - b);
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console.log(decimated);
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// we shouldn't have to do this
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//decimated[0] = 0;
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console.log(decimated);
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// Palette fits
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return dither(decimated);
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@ -842,7 +833,6 @@ async function convert(source) {
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height,
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rgba
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} = await loadImage(source);
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console.log({width,height});
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if (width > 160) {
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throw new Error(`expected <160px width, got ${width} pixels`);
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@ -893,9 +883,7 @@ async function convert(source) {
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.slice(y * width, (y + 1) * width);
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if (padding) {
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console.log(`length was ${inputLine.length}`);
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inputLine = left.concat(inputLine, right);
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console.log(`length is now ${inputLine.length}`);
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}
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if (y > 0) {
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let error = lines[y - 1].error;
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@ -4,7 +4,7 @@ ffmpeg \
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-i 'cats-audio.wav' \
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-ac 2 \
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-ar 48000 \
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-vf 'pad=w=640:h=360:x=52:y=20' \
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-vf 'pad=w=534' \
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-pix_fmt yuv420p \
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-movflags +faststart \
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-y cats-dither.mp4
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@ -4,7 +4,7 @@ mkdir -p frames
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ffmpeg \
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-i 'cats computer fun.mp4' \
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-vf 'scale=160:150,pad=h=160:y=5' \
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-vf 'scale=320:150,pad=h=192:y=5' \
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-an \
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-y 'frames/cats-%04d.png'
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@ -4,7 +4,7 @@ ffmpeg \
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-i 'doom-audio.wav' \
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-ac 2 \
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-ar 48000 \
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-vf 'pad=w=640:h=360:x=52:y=20' \
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-vf 'pad=w=534' \
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-pix_fmt yuv420p \
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-movflags +faststart \
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-y doom-dither.mp4
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@ -8,7 +8,7 @@ ffmpeg \
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-i 'doom-speedrun.webm' \
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-t $TIME \
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-r 60000/1001 \
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-vf 'scale=160:192' \
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-vf 'scale=320:192' \
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-an \
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-y 'frames/doom-%04d.png'
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@ -4,7 +4,7 @@ ffmpeg \
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-i 'colamath-audio.wav' \
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-ac 2 \
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-ar 48000 \
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-vf 'pad=w=640:h=360:x=52:y=20' \
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-vf 'pad=w=534' \
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-pix_fmt yuv420p \
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-movflags +faststart \
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-y colamath-dither.mp4
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@ -4,7 +4,7 @@ mkdir -p frames
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ffmpeg \
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-i colamath-dv.avi \
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-vf 'yadif=1,scale=160:200,crop=h=160' \
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-vf 'yadif=1,scale=320:200,crop=h=192:y=4' \
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-an \
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-y 'frames/colamath-%04d.png'
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