Audio system refactoring (#1275)

* Simplify details

* Simplify audio creation

* Return an array of sources instead of a single item

* Use sourceIndex instead of index

* Rename APIs

* Return more info about the source

* Return source instead of sourceIndex

1 files changed, 4 insertions, 3 deletions

diff --git a/ext/mixed/js/display-audio.js b/ext/mixed/js/display-audio.js
index c423446e..0cd8a625 100644
--- a/ext/mixed/js/display-audio.js
+++ b/ext/mixed/js/display-audio.js
@@ -117,9 +117,10 @@ class DisplayAudio {
             let audio;
             let info;
             try {
-                let index;
-                ({audio, index} = await this._audioSystem.createDefinitionAudio(sources, expression, reading, {textToSpeechVoice, customSourceUrl}));
-                info = `From source ${1 + index}: ${sources[index]}`;
+                let source;
+                ({audio, source} = await this._audioSystem.createExpressionAudio(sources, expression, reading, {textToSpeechVoice, customSourceUrl}));
+                const sourceIndex = sources.indexOf(source);
+                info = `From source ${1 + sourceIndex}: ${source}`;
             } catch (e) {
                 audio = this._audioSystem.getFallbackAudio();
                 info = 'Could not find audio';