srctree

Andrew Kelley parent 36190af6 81c38197
some debugging stuff

I'm going to delete this stuff in the next commit

src/root.zig added: 55, removed: 61, total 0

@@ -174,7 +174,7 @@ pub const File = struct {

pub fn fingerprint(file: *File, gpa: std.mem.Allocator, options: FingerprintOptions) !Acoustid {

const window_size = acoustid.window_size;

const rdft = try av.TXContext.init(.FLOAT_RDFT, false, window_size, 1.0, .{ .INPLACE = true });

const rdft = try av.TXContext.init(.FLOAT_RDFT, false, window_size, 0.7071265, .{ .INPLACE = true });

defer rdft.context.uninit();

const packet = try av.Packet.alloc();

defer packet.free();

@@ -270,6 +270,25 @@ pub const File = struct {

{

acoustid.dumpFloatSlice("rdft_calc input", .waveform, &window);

rdft.tx(&window, &window);

std.log.debug("first 16 values: {d} {d} {d} {d} {d} {d} {d} {d} {d} {d} {d} {d} {d} {d} {d} {d}", .{

window[0],

window[1],

window[2],

window[3],

window[4],

window[5],

window[6],

window[7],

window[8],

window[9],

window[10],

window[11],

window[12],

window[13],

window[14],

window[15],

});

acoustid.dumpFloatSlice("rdft_calc output", .graph, &window);

const end = window_size / 2;

{

const window0: acoustid.Float = window[0];

tool/debug.html added: 55, removed: 61, total 0

@@ -5,8 +5,11 @@

<title>Debug Log Scraper</title>

<style>

body {

background-color: black;

color: white;

background-color: black;

color: white;

}

canvas {

border: 1px solid grey;

}

</style>

</head>

tool/debug.js added: 55, removed: 61, total 0

@@ -14,24 +14,41 @@

}

function refresh() {

resizeDomList(logListDom, dataJson.length, '<div></div>');

for (let i = 0; i < dataJson.length; i += 1) {

let aggregateFeatures = [];

resizeDomList(logListDom, dataJson.length + 1, '<div></div>');

let i = 0;

for (; i < dataJson.length; i += 1) {

const msg = dataJson[i];

const divDom = logListDom.children[i];

switch (msg.type) {

case 'waveform':

renderWaveform(divDom, msg.name, msg.data);

renderWaveform(divDom, msg.name, msg.data, -1, 1);

break;

case 'text':

renderText(divDom, msg.name, msg.data);

break;

case 'featureset':

aggregateFeatures = aggregateFeatures.concat(msg.data);

renderWaveform(divDom, msg.name, msg.data, 0, 1);

break;

case 'graph':

renderWaveform(divDom, msg.name, msg.data, -100, 100);

break;

default:

renderText(divDom, msg.name + "(unrecognized log type: " + msg.type + ")", "" + msg.data);

break;

}

{

const divDom = logListDom.children[i];

renderWaveform(divDom, "aggregated featuresets", aggregateFeatures, 0, 1);

}

function resizeDomList(listDom, desiredLen, templateHtml) {

@@ -45,7 +62,7 @@

}

function renderWaveform(parentDiv, label, data) {

function renderWaveform(parentDiv, label, data, min, max) {

parentDiv.innerHTML = '<h4></h4><canvas></canvas>';

const headerDom = parentDiv.children[0];

const canvas = parentDiv.children[1];

@@ -64,8 +81,10 @@

ctx.strokeStyle = "white";

for (let x = 0; x < width; x += 1) {

const y = data[x];

ctx.moveTo(x + 0.25, (height / 2) + 0.75);

ctx.lineTo(x + 0.25, (height / 2) + (y * (height / 2)) - 0.75);

const pixY = (y - min) / (max - min) * height;

const pix0 = (0 - min) / (max - min) * height;

ctx.moveTo(x + 0.25, pix0 + 0.75);

ctx.lineTo(x + 0.25, pixY - 0.75);

}

ctx.stroke();

}

@@ -77,52 +96,4 @@

labelDom.innerText = label;

textDom.innerText = data;

}

function draw(canvas, songJson) {

const ctx = canvas.getContext("2d");

const split = songJson.length / 2;

const width = split; // / 3;

const height = 256;

canvasDom.width = width;

canvasDom.height = height;

ctx.clearRect(0, 0, canvas.width, canvas.height);

ctx.lineWidth = 1;

//drawPeak(canvas, songJson, width, height, 0, peakColorLeftDom.value, +peakOpacityLeftDom.value);

//drawPeak(canvas, songJson, width, height, split, peakColorRightDom.value, +peakOpacityRightDom.value);

drawRms(canvas, songJson, width, height, 0, rmsColorLeftDom.value, +rmsOpacityLeftDom.value);

drawRms(canvas, songJson, width, height, split, rmsColorRightDom.value, +rmsOpacityRightDom.value);

}

function drawPeak(canvas, songJson, width, height, offset, color, opacity) {

const ctx = canvas.getContext("2d");

ctx.globalAlpha = opacity;

ctx.beginPath();

ctx.strokeStyle = color;

for (let x = 0; x < width; x += 1) {

const min = songJson[offset + x * 3 + 0];

const max = songJson[offset + x * 3 + 1];

const min_y = height - (127 - min) / 256 * height;

const max_y = height - (127 - max) / 256 * height;

ctx.moveTo(x + 0.25, max_y);

ctx.lineTo(x + 0.25, min_y);

}

ctx.stroke();

}

function drawRms(canvas, songJson, width, height, offset, color, opacity) {

const ctx = canvas.getContext("2d");

console.log("rms global alpha=", ctx.globalAlpha);

ctx.globalAlpha = opacity;

ctx.beginPath();

ctx.strokeStyle = color;

for (let x = 0; x < width; x += 1) {

const rms = songJson[offset + x * 1 + 0];

//const max = (rms / 256) * (height / 2);

ctx.moveTo(x + 0.25, (height / 2) + 0.75);

ctx.lineTo(x + 0.25, (height / 2) + (rms * (height / 2)) - 0.75);

}

ctx.stroke();

}

})();

tool/log_scrape.zig added: 55, removed: 61, total 0

@@ -57,5 +57,6 @@ pub const SemanticLine = struct {

waveform,

featureset,

text,

graph,

};