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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2019-10-10 19:58:06 -0400
committertoasted-nutbread <toasted-nutbread@users.noreply.github.com>2019-10-10 21:30:38 -0400
commit1d516b3b24eb6b89aa3a345341b6c1c35e24dfed (patch)
treed32c926ab268f73142f8672ce9b115a5610c04e5 /ext
parent8ae1da427756a9a1e057b3518c4069ac7d5b4b3a (diff)
Implement audio fallbacks
Diffstat (limited to 'ext')
-rw-r--r--ext/bg/background.html1
-rw-r--r--ext/bg/js/audio.js12
-rw-r--r--ext/bg/search.html2
-rw-r--r--ext/fg/float.html1
-rw-r--r--ext/mixed/js/audio.js60
-rw-r--r--ext/mixed/js/display.js39
6 files changed, 86 insertions, 29 deletions
diff --git a/ext/bg/background.html b/ext/bg/background.html
index 3b37db87..194d4a45 100644
--- a/ext/bg/background.html
+++ b/ext/bg/background.html
@@ -27,6 +27,7 @@
<script src="/bg/js/templates.js"></script>
<script src="/bg/js/translator.js"></script>
<script src="/bg/js/util.js"></script>
+ <script src="/mixed/js/audio.js"></script>
<script src="/mixed/js/japanese.js"></script>
<script src="/bg/js/backend.js"></script>
diff --git a/ext/bg/js/audio.js b/ext/bg/js/audio.js
index 26896027..0bf836df 100644
--- a/ext/bg/js/audio.js
+++ b/ext/bg/js/audio.js
@@ -136,6 +136,7 @@ function audioBuildFilename(definition) {
return filename += '.mp3';
}
+ return null;
}
async function audioInject(definition, fields, sources, optionsContext) {
@@ -157,11 +158,12 @@ async function audioInject(definition, fields, sources, optionsContext) {
audioSourceDefinition = definition.expressions[0];
}
- const url = await audioBuildUrl(audioSourceDefinition, sources[0], optionsContext);
- const filename = audioBuildFilename(audioSourceDefinition);
-
- if (url && filename) {
- definition.audio = {url, filename};
+ const {url} = await audioGetFromSources(audioSourceDefinition, sources, optionsContext, false);
+ if (url !== null) {
+ const filename = audioBuildFilename(audioSourceDefinition);
+ if (filename !== null) {
+ definition.audio = {url, filename};
+ }
}
return true;
diff --git a/ext/bg/search.html b/ext/bg/search.html
index e71824d3..3284ed43 100644
--- a/ext/bg/search.html
+++ b/ext/bg/search.html
@@ -36,7 +36,6 @@
<script src="/mixed/js/extension.js"></script>
- <script src="/bg/js/audio.js"></script>
<script src="/bg/js/dictionary.js"></script>
<script src="/bg/js/handlebars.js"></script>
<script src="/bg/js/templates.js"></script>
@@ -44,6 +43,7 @@
<script src="/fg/js/document.js"></script>
<script src="/fg/js/source.js"></script>
<script src="/fg/js/util.js"></script>
+ <script src="/mixed/js/audio.js"></script>
<script src="/mixed/js/display.js"></script>
<script src="/mixed/js/japanese.js"></script>
<script src="/mixed/js/scroll.js"></script>
diff --git a/ext/fg/float.html b/ext/fg/float.html
index 52c7faa3..fe1aee8f 100644
--- a/ext/fg/float.html
+++ b/ext/fg/float.html
@@ -39,6 +39,7 @@
<script src="/fg/js/util.js"></script>
<script src="/fg/js/document.js"></script>
<script src="/fg/js/source.js"></script>
+ <script src="/mixed/js/audio.js"></script>
<script src="/mixed/js/display.js"></script>
<script src="/mixed/js/scroll.js"></script>
diff --git a/ext/mixed/js/audio.js b/ext/mixed/js/audio.js
new file mode 100644
index 00000000..b905140c
--- /dev/null
+++ b/ext/mixed/js/audio.js
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+function audioGetFromUrl(url) {
+ return new Promise((resolve, reject) => {
+ const audio = new Audio(url);
+ audio.addEventListener('loadeddata', () => {
+ if (audio.duration === 5.694694 || audio.duration === 5.720718) {
+ // Hardcoded values for invalid audio
+ reject(new Error('Could not retrieve audio'));
+ } else {
+ resolve(audio);
+ }
+ });
+ audio.addEventListener('error', () => reject(audio.error));
+ });
+}
+
+async function audioGetFromSources(expression, sources, optionsContext, createAudioObject, cache=null) {
+ const key = `${expression.expression}:${expression.reading}`;
+ if (cache !== null && cache.hasOwnProperty(expression)) {
+ return cache[key];
+ }
+
+ for (let i = 0, ii = sources.length; i < ii; ++i) {
+ const source = sources[i];
+ const url = await apiAudioGetUrl(expression, source, optionsContext);
+ if (url === null) {
+ continue;
+ }
+
+ try {
+ const audio = createAudioObject ? await audioGetFromUrl(url) : null;
+ const result = {audio, url, source};
+ if (cache !== null) {
+ cache[key] = result;
+ }
+ return result;
+ } catch (e) {
+ // NOP
+ }
+ }
+ return {audio: null, source: null};
+}
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index c1224084..8d4e1e68 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -26,6 +26,8 @@ class Display {
this.context = null;
this.sequence = 0;
this.index = 0;
+ this.audioPlaying = null;
+ this.audioFallback = null;
this.audioCache = {};
this.optionsContext = {};
this.eventListeners = [];
@@ -404,33 +406,24 @@ class Display {
this.setSpinnerVisible(true);
const expression = expressionIndex === -1 ? definition : definition.expressions[expressionIndex];
- let url = await apiAudioGetUrl(expression, this.options.audio.sources[0], this.optionsContext);
- if (!url) {
- url = '/mixed/mp3/button.mp3';
- }
- for (const key in this.audioCache) {
- this.audioCache[key].pause();
+ if (this.audioPlaying !== null) {
+ this.audioPlaying.pause();
+ this.audioPlaying = null;
}
- const volume = this.options.audio.volume / 100.0;
- let audio = this.audioCache[url];
- if (audio) {
- audio.currentTime = 0;
- audio.volume = volume;
- audio.play();
- } else {
- audio = new Audio(url);
- audio.onloadeddata = () => {
- if (audio.duration === 5.694694 || audio.duration === 5.720718) {
- audio = new Audio('/mixed/mp3/button.mp3');
- }
-
- this.audioCache[url] = audio;
- audio.volume = volume;
- audio.play();
- };
+ let {audio} = await audioGetFromSources(expression, this.options.audio.sources, this.optionsContext, true, this.audioCache);
+ if (audio === null) {
+ if (this.audioFallback === null) {
+ this.audioFallback = new Audio('/mixed/mp3/button.mp3');
+ }
+ audio = this.audioFallback;
}
+
+ this.audioPlaying = audio;
+ audio.currentTime = 0;
+ audio.volume = this.options.audio.volume / 100.0;
+ audio.play();
} catch (e) {
this.onError(e);
} finally {