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import os |
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import json |
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import numpy as np |
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from PIL import Image, ImageFilter |
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import soundfile |
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def save_html(logdir, x, zs, labels, alignments, hps): |
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level = hps.levels - 1 |
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z = zs[level] |
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bs, total_length = z.shape[0], z.shape[1] |
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with open(f'{logdir}/index.html', 'w') as html: |
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print(f"<html><head><title>{logdir}</title></head><body style='font-family: sans-serif; font-size: 1.4em; font-weight: bold; text-align: center; max-width:1024px; width: 100%; margin: auto;'>", |
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file=html) |
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print("<link rel='icon' href='data:;base64,iVBORw0KGgo='>", file=html) |
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for item in range(bs): |
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data = dict(wav=x[item].cpu().numpy(), sr=hps.sr, |
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info=labels['info'][item], |
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total_length=total_length, |
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total_tokens=len(labels['info'][item]['full_tokens']), |
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alignment=alignments[item] if alignments is not None else None) |
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item_dir = f'{logdir}/item_{item}' |
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_save_item_html(item_dir, item, item, data) |
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print(f"<iframe style='height: 100%; width: 100%;' frameborder='0' scrolling='no' src='item_{item}/index.html'></iframe>", file=html) |
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print("</body></html>", file=html) |
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def _save_item_html(item_dir, item_id, item_name, data): |
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if not os.path.exists(item_dir): |
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os.makedirs(item_dir) |
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with open(f'{item_dir}/index.html', 'w') as html: |
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print(f"<html><head><title>{item_name}</title></head><body style='font-family: sans-serif; font-size: 1.4em; font-weight: bold; text-align: center; max-width:1024px; width: 100%; margin: auto;'>", |
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file=html) |
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print("<link rel='icon' href='data:;base64,iVBORw0KGgo='>", file=html) |
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total_length = data['total_length'] |
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total_tokens = data['total_tokens'] |
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alignment = data['alignment'] |
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lyrics = data["info"]["lyrics"] |
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wav, sr = data['wav'], data['sr'] |
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genre, artist = data["info"]["genre"], data["info"]["artist"] |
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if alignment is not None: |
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assert alignment.shape == (total_length, total_tokens) |
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assert len(lyrics) == total_tokens, f'Total_tokens: {total_tokens}, Lyrics Len: {len(lyrics)}. Lyrics: {lyrics}' |
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max_attn_at_token = np.max(alignment, axis=0) |
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assert len(max_attn_at_token) == total_tokens |
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for token in reversed(range(total_tokens)): |
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if max_attn_at_token[token] > 0: |
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break |
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alignment = alignment[:,:token+1] |
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lyrics = lyrics[:token+1] |
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total_tokens = token+1 |
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im = Image.fromarray(np.uint8(alignment * 255)).resize((512, 1024)).transpose(Image.ROTATE_90) |
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img_src = f'align.png' |
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im.save(f'{item_dir}/{img_src}') |
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print(f"<img id='{img_src}' src='{img_src}' \>", file=html) |
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total_alignment_length = total_length // 16 |
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alignment = Image.fromarray(np.uint8(alignment * 255)).resize((total_tokens, total_alignment_length)) |
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alignment = alignment.filter(ImageFilter.GaussianBlur(radius=1.5)) |
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alignment = np.asarray(alignment).tolist() |
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align_src = f'align.json' |
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with open(f'{item_dir}/{align_src}', 'w') as f: |
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json.dump(alignment, f) |
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wav_src = f'audio.wav' |
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soundfile.write(f'{item_dir}/{wav_src}', wav, samplerate=sr, format='wav') |
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print(f"<audio id='{wav_src}' src='{wav_src}' style='width: 100%;' controls></audio>", file=html) |
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print(f"<pre style='white-space: pre-wrap;'>", end="", file=html) |
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print(f"<div>Artist {artist}, Genre {genre}</div>", file=html) |
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lyrics = [c for c in lyrics] |
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lyrics = [''] + lyrics[:-1] |
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for i, c in enumerate(lyrics): |
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print(f"<span id='{item_id}/{i}'>{c}</span>", end="", file=html) |
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print(f"</pre>", file=html) |
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with open(f'{item_dir}/lyrics.json', 'w') as f: |
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json.dump(lyrics, f) |
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if alignment is not None: |
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print("""<script> |
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async function fetchAsync (url) { |
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let response = await fetch(url); |
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let data = await response.json(); |
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return data; |
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} |
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var audio = document.getElementById('""" + f'{wav_src}' + """'); |
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audio.onplay = function () { |
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track = '""" + f'{item_id}' + """' |
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fetchAsync('""" + f'{align_src}' + """') |
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.then(data => animateLyrics(data, track, this)) |
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.catch(reason => console.log(reason.message)) |
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}; |
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function animateLyrics(data, track, audio) { |
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var animate = setInterval(function () { |
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var time = Math.floor(audio.currentTime*""" + f'{total_alignment_length}' + """/audio.duration); |
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if (!(time == 0 || time == """ + f'{total_alignment_length}' + """)) { |
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console.log(time); |
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changeColor(data, track, audio, time); |
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} |
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if (audio.paused) { |
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clearInterval(animate); |
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} |
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}, 50); |
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} |
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function changeColor(data, track, audio, time) { |
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colors = data[time] |
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for (i = 0; i < colors.length; i++){ |
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character = document.getElementById(track + '/' + i.toString()); |
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color = Math.max(230 - 10*colors[i], 0).toString(); |
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character.style.color = 'rgb(255,' + color + ',' + color + ')'; |
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} |
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} |
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</script>""", file=html) |
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print("</body></html>", file=html) |
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