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DeadAir in the page: a switch per show, one beside the speed, and the time saved (#172)

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A DeadAir switch in each show's settings, and the same switch beside
the speed for the show that is playing, drawn as a waveform with its gap
closed up, outlined when off and solid when on, with aria-pressed. A
file the server gives a copy for plays from /media/{id}/deadair. An
episode's line says how much shorter it is, and Settings says how much
DeadAir has saved you.

Turning it on or off mid-episode saves the place with a request it waits
for, not a beacon, then asks for the entry again from the new
GET /api/entries/{feed}/{guid}, whose position is in the clock of the
version it now plays, and carries on there. A copy not made yet plays
from the next time. Turning a show on wakes the copy maker, so the copy
is there in seconds rather than at its next pass.

The browser test plays a real MP3 with long silences, quiet.mp3, from a
show it adds and removes itself.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Ray Slakinski
2026-10-09 18:18:41 +00:00
parent 16b0686aab
commit 827cc7489f
13 changed files with 194 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
web/src/dialogs.ts
View File

@@ -363,7 +363,15 @@ function due(ts){
/// Your settings: the theme, your subscriptions as OPML, and, to read, what the server does
/// with feeds. The server's own settings, the accounts and the log are on /admin, which only an
/// admin is sent (issue #19); this used to hold them too, shown to admins only.
function deadSavedText(me){
const s=me&&me.deadair_saved||0;
return s?`It has saved you ${spanText(s)}, on episodes you heard three quarters of or more.`
:'Turn it on in a show\'s settings, or beside the speed while it plays, to shorten its long silences.';
}
async function prefsModal(){
// Fresh, so the time saved counts what was heard since the page loaded.
api('/api/me').then(u=>{ S.me=u; const h=$('#sdeadsaved'); if(h) h.textContent=deadSavedText(u); }).catch(()=>{});
const g = await api('/api/settings');
const admin = !!(S.me&&S.me.admin);
openModal(`<button class="iconbtn cardx" onclick="closeModal()" title="Close" aria-label="Close">${ICON.close}</button><h3>Settings</h3>
@@ -374,6 +382,8 @@ async function prefsModal(){
<select id="smode">${Object.entries(MODES).map(([k,t])=>
`<option value="${k}"${theme.mode===k?' selected':''}>${esc(t)}</option>`).join('')}</select>
<span class="hint">Auto follows your system's light/dark setting.</span></div>
<div class="field"><label>DeadAir</label>
<span class="hint" id="sdeadsaved">${deadSavedText(S.me)}</span></div>
<div class="field"><label>Subscriptions</label>
<div class="inline">
<!-- Words as well as icons: a floppy disk and a plus mean nothing on their own here. -->
@@ -517,6 +527,9 @@ function settingsModal(f, newUrl?: string){
<p class="cap">Any one of these will do, and a phrase needs all its words. Empty takes everything.</p></div>
${sw(`<input type="checkbox" role="switch" id="sexp"${f.allow_explicit?' checked':''}>`,'Include explicit items')}
</div></div></div></div>
<div class="ffield">${sw(`<input type="checkbox" role="switch" id="sdead"${f.deadair?' checked':''}>`,'DeadAir',' lead')}
<p class="cap">Plays ${isGroup?'these shows':'this show'} with long silences shortened, so episodes finish
sooner without sounding sped up. Leave it off for readings whose pauses matter.</p></div>
${isGroup?'':`<div class="ffield"><label class="flabel" for="sblockin">Hide items that mention</label>
<div class="chips" id="sblock">${chipsHTML(f.blocked||[],'sblockin')}</div>
<p class="cap">Whole words or phrases. Hidden from your list and not downloaded for you, along
@@ -600,7 +613,7 @@ function settingsModal(f, newUrl?: string){
const patch: Record<string, unknown>={
keywords:chipWords($('#skw')),
max_new_per_check:mode==='default'?null:mode==='all'?0:newest,
auto_download:$('#sauto').checked, allow_explicit:$('#sexp').checked};
auto_download:$('#sauto').checked, allow_explicit:$('#sexp').checked, deadair:$('#sdead').checked};
if($('#sblock')) patch.blocked=chipWords($('#sblock'));
// The address is the same for everyone: an admin's to change, for a feed that moved, and the
// API refuses it from anyone else. The folder and category are not this dialog's at all.

1
web/src/items.ts
View File

@@ -78,6 +78,7 @@ function epEl(e){
num&&`<span>${num}</span>`,
left&&`<span>${left}</span>`,
others>0&&`<span>+${others} more file${others===1?'':'s'}</span>`,
enc&&enc.deadair>0&&`<span title="DeadAir shortened its long silences">${shorter(enc.deadair)}</span>`,
enc&&enc.last_error&&enc.state==='error'&&`<span style="color:var(--bad)">${esc(enc.last_error)}</span>`,
].filter(Boolean).join('<span class="dot"></span>')}</div>
</div>

57
web/src/player.ts
View File

@@ -1,8 +1,12 @@
/* ---------------- player ---------------- */
const audio=$('#audio');
const player: {guid: string|null, feed: string|null, entry: any, enc?: number, moved?: boolean,
const player: {guid: string|null, feed: string|null, entry: any, enc?: number, src?: string, moved?: boolean,
saveAt: number, marked: boolean}={guid:null,feed:null,entry:null,saveAt:0,marked:false};
/// Where a file plays from: DeadAir's copy when the server says this person plays it (#171),
/// whose times the entry is already given in, else the file itself.
const mediaSrc=enc=>enc.deadair!=null?`/media/${enc.id}/deadair`:`/media/${enc.id}`;
// Marked read when an item has actually been listened to -- at the end, or past 90%.
// NOT on play: doing that made the item vanish from the Unread list the instant
// you pressed play, which looks exactly like it went missing.
@@ -20,14 +24,15 @@ function play(e,enc=e.enclosures.find(isPlayable)){
toast(e.enclosures.some(x=>x.path) ? 'That file is not audio or video' : 'Not downloaded yet', true);
return;
}
// The same file carries on where it was; another of the item's files starts from its top.
const resuming = player.guid===e.guid && player.enc===enc.id;
// The same file carries on where it was; another of the item's files starts from its top. So
// does the other version of the same file, from the place the entry gives in its clock.
const resuming = player.guid===e.guid && player.enc===enc.id && player.src===mediaSrc(enc);
// Every play button is a pause button for what is playing, as the player bar's is.
if(resuming && !audio.paused){ audio.pause(); return; }
if(!resuming){
player.guid=e.guid; player.feed=e.feed_id; player.entry=e; player.enc=enc.id; player.moved=false;
document.body.classList.toggle('has-video', kindOf(enc)==='video');
audio.src=`/media/${enc.id}`;
audio.src=player.src=mediaSrc(enc);
audio.currentTime=0;
if(e.position>5) audio.addEventListener('loadedmetadata',()=>{audio.currentTime=e.position},{once:true});
// Initials, if it comes to that, are the feed's: the episode's read as "SE" beside the feed's art.
@@ -38,6 +43,7 @@ function play(e,enc=e.enclosures.find(isPlayable)){
$('#player').classList.add('on');
mediaSession(e,f);
player.marked=false;
paintDead();
}
audio.play().catch(err=>toast('Playback failed: '+err.message,true));
renderEntries();
@@ -110,6 +116,49 @@ $('#pfwd').onclick=()=>audio.currentTime+=30;
$('#seek').oninput=e=>{const d=audio.duration;if(d)audio.currentTime=d*e.target.value/1000};
$('#rate').onchange=e=>{audio.playbackRate=+e.target.value;localStorage.setItem('ipx.rate',e.target.value)};
$('#vol').oninput=e=>{audio.volume=e.target.value/100;localStorage.setItem('ipx.vol',e.target.value)};
/// DeadAir's switch beside the speed: on or off for the show that is playing. The state is in the
/// icon's shape and aria-pressed, never a colour.
function paintDead(){
const b=$('#pdead'), f=S.feeds.find(x=>x.id===player.feed);
b.hidden=!f||document.body.classList.contains('has-video');
if(b.hidden) return;
b.setAttribute('aria-pressed',String(!!f.deadair));
b.innerHTML=f.deadair?ICON.deadairOn:ICON.deadair;
b.title=f.deadair?'DeadAir is on for this show: long silences are shortened'
:'Turn on DeadAir for this show: long silences are shortened';
}
$('#pdead').onclick=async()=>{
const f=S.feeds.find(x=>x.id===player.feed); if(!f) return;
const on=!f.deadair;
try{ await api(`/api/feeds/${encodeURIComponent(f.id)}`,{method:'PATCH',body:JSON.stringify({deadair:on})}); }
catch(err){ toast(err.message,true); return; }
f.deadair=on; paintDead();
const switched=await switchVersion();
toast(!on?'DeadAir is off for this show':switched?'DeadAir is on for this show'
:'DeadAir is on for this show. Each episode is shortened a few minutes after it downloads.');
renderEntries();
};
/// Carries on at the same place in the other version of what is playing, once DeadAir has been
/// turned on or off for its show. True if it changed version: a copy not made yet plays next time.
async function switchVersion(){
if(!player.guid) return false;
const [feed,guid]=[player.feed,player.guid].map(encodeURIComponent);
// Saved and waited for, not beaconed, so the entry asked for next has this place in it.
if(audio.readyState){
await api(`/api/entries/${feed}/${guid}/position`,{method:'POST',body:JSON.stringify({
secs:Math.floor(audio.currentTime),duration:isFinite(audio.duration)?Math.floor(audio.duration):null})}).catch(()=>{});
player.moved=false;
}
const e=await api(`/api/entries/${feed}/${guid}`).catch(()=>null);
const enc=e&&e.enclosures.find(x=>x.id===player.enc);
if(!enc||mediaSrc(enc)===player.src) return false;
const was=!audio.paused;
player.entry=e; player.src=mediaSrc(enc); player.saveAt=e.position;
audio.src=player.src;
audio.addEventListener('loadedmetadata',()=>{audio.currentTime=e.position},{once:true});
if(was) audio.play().catch(()=>{});
return true;
}
$('#pclose').onclick=()=>{savePos();audio.pause();audio.removeAttribute('src');player.guid=null;$('#player').classList.remove('on');document.body.classList.remove('has-video');renderEntries();
// Called here, not left to the pause event: closing a player already paused fires none.
syncListening()};

11
web/src/util.ts
View File

@@ -21,6 +21,10 @@ const ICON={
// for the outline's stroke, so the two draw the same size.
pin:fa('-18 -18 420 548','<path fill="none" stroke="currentColor" stroke-width="36" stroke-linejoin="round" d="M32 32C32 14.3 46.3 0 64 0L320 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-29.5 0 11.4 148.2c36.7 19.9 65.7 53.2 79.5 94.7l1 3c3.3 9.8 1.6 20.5-4.4 28.8s-15.7 13.3-26 13.3L32 352c-10.3 0-19.9-4.9-26-13.3s-7.7-19.1-4.4-28.8l1-3c13.8-41.5 42.8-74.8 79.5-94.7L93.5 64 64 64C46.3 64 32 49.7 32 32zM160 384l64 0 0 96c0 17.7-14.3 32-32 32s-32-14.3-32-32l0-96z"/>'), // solid/thumbtack, outlined
pinOn:fa('-18 -18 420 548','<path fill="currentColor" d="M32 32C32 14.3 46.3 0 64 0L320 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-29.5 0 11.4 148.2c36.7 19.9 65.7 53.2 79.5 94.7l1 3c3.3 9.8 1.6 20.5-4.4 28.8s-15.7 13.3-26 13.3L32 352c-10.3 0-19.9-4.9-26-13.3s-7.7-19.1-4.4-28.8l1-3c13.8-41.5 42.8-74.8 79.5-94.7L93.5 64 64 64C46.3 64 32 49.7 32 32zM160 384l64 0 0 96c0 17.7-14.3 32-32 32s-32-14.3-32-32l0-96z"/>'), // solid/thumbtack
// DeadAir (#171): a waveform with the gap in its middle closed up. Outlined is off for this
// show, solid is on, as pin and pinOn; padded like them for the outline's stroke.
deadair:fa('-16 -16 544 544','<g fill="none" stroke="currentColor" stroke-width="32"><rect x="16" y="200" width="48" height="112" rx="24"/><rect x="96" y="136" width="48" height="240" rx="24"/><rect x="176" y="96" width="48" height="320" rx="24"/><rect x="288" y="96" width="48" height="320" rx="24"/><rect x="368" y="136" width="48" height="240" rx="24"/><rect x="448" y="200" width="48" height="112" rx="24"/></g>'),
deadairOn:fa('-16 -16 544 544','<g fill="currentColor"><rect x="16" y="200" width="48" height="112" rx="24"/><rect x="96" y="136" width="48" height="240" rx="24"/><rect x="176" y="96" width="48" height="320" rx="24"/><rect x="288" y="96" width="48" height="320" rx="24"/><rect x="368" y="136" width="48" height="240" rx="24"/><rect x="448" y="200" width="48" height="112" rx="24"/></g>'),
scan:fa('0 0 512 512','<path fill="currentColor" d="M65.9 228.5c13.3-93 93.4-164.5 190.1-164.5 53 0 101 21.5 135.8 56.2 .2 .2 .4 .4 .6 .6l7.6 7.2-47.9 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l128 0c17.7 0 32-14.3 32-32l0-128c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 53.4-11.3-10.7C390.5 28.6 326.5 0 256 0 127 0 20.3 95.4 2.6 219.5 .1 237 12.2 253.2 29.7 255.7s33.7-9.7 36.2-27.1zm443.5 64c2.5-17.5-9.7-33.7-27.1-36.2s-33.7 9.7-36.2 27.1c-13.3 93-93.4 164.5-190.1 164.5-53 0-101-21.5-135.8-56.2-.2-.2-.4-.4-.6-.6l-7.6-7.2 47.9 0c17.7 0 32-14.3 32-32s-14.3-32-32-32L32 320c-8.5 0-16.7 3.4-22.7 9.5S-.1 343.7 0 352.3l1 127c.1 17.7 14.6 31.9 32.3 31.7S65.2 496.4 65 478.7l-.4-51.5 10.7 10.1c46.3 46.1 110.2 74.7 180.7 74.7 129 0 235.7-95.4 253.4-219.5z"/>'), // solid/arrows-rotate
download:fa('0 0 448 512','<path fill="currentColor" d="M256 32c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 210.7-41.4-41.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l96 96c12.5 12.5 32.8 12.5 45.3 0l96-96c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L256 242.7 256 32zM64 320c-35.3 0-64 28.7-64 64l0 32c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-32c0-35.3-28.7-64-64-64l-46.9 0-56.6 56.6c-31.2 31.2-81.9 31.2-113.1 0L110.9 320 64 320zm304 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/>'), // solid/download
save:fa('0 0 448 512','<path fill="currentColor" d="M64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-242.7c0-17-6.7-33.3-18.7-45.3L352 50.7C340 38.7 323.7 32 306.7 32L64 32zm32 96c0-17.7 14.3-32 32-32l160 0c17.7 0 32 14.3 32 32l0 64c0 17.7-14.3 32-32 32l-160 0c-17.7 0-32-14.3-32-32l0-64zM224 288a64 64 0 1 1 0 128 64 64 0 1 1 0-128z"/>'), // solid/floppy-disk
@@ -56,6 +60,13 @@ const EQ='<span class="eq" aria-hidden="true"><i></i><i></i><i></i></span>';
// The page's own buttons name their icon; this draws it in, ahead of any label they carry.
for(const b of $$('[data-icon]')) b.insertAdjacentHTML('afterbegin',ICON[b.dataset.icon]);
/// What DeadAir took off an episode, as the list says it.
function shorter(secs){ return secs<60?`${secs} s shorter`:`${Math.round(secs/60)} min shorter`; }
/// A total of time saved: "3 h 12 min", "12 min", "40 s".
function spanText(secs){
const h=Math.floor(secs/3600), m=Math.floor(secs%3600/60);
return h?`${h} h ${m} min`:m?`${m} min`:`${secs} s`;
}
async function api(url: string, opts?: RequestInit): Promise<any>{
const r = await fetch(url,{headers:{'Content-Type':'application/json'},...opts});
if(r.status===401){ location.href='/login'; throw new Error('signed out'); }