seirdy.one/layouts/shortcodes/audio.html

{{ $name := (.Get "name") -}}
{{- $opus := resources.GetMatch (printf "/a/%s.opus" $name) -}}
{{- $mp3 := resources.GetMatch (printf "/a/%s.mp3" $name) -}}
{{- $isTranscribed := false -}}
{{- $download_url := "" -}}
{{- /* preloading an in-page audio asset under 32 KiB is fine. */ -}}
{{- $shouldPreload := lt (len $opus.Content) 32768 -}}
<audio
	controls=""
	{{ with .Parent -}}
		{{ if eq .Name "transcribed-image" -}}
			{{- $isTranscribed = true -}}
			{{ with .Get "id" -}}
				aria-describedby="transcript-{{ . }}"
			{{- end -}}
		{{- end -}}
	{{- end }}
	{{ if $shouldPreload -}}
		preload="auto"
	{{- end -}}
	>
	{{ with $opus -}}
	{{- $download_url = $opus.RelPermalink -}}
	{{ $opus_src := partial "cache-bust.html" . -}}
	<source
		src="{{ $opus_src.RelPermalink }}"
		type='audio/ogg; codecs="opus"' />
	{{ end -}}
	{{ with $mp3 -}}
	{{- $download_url = $mp3.RelPermalink -}}
	{{ $mp3_src := partial "cache-bust.html" . -}}
	<source
		src="{{ $mp3_src.RelPermalink }}"
		type="audio/mpeg" />
	<p role="note">Your browser does not support HTML5 audio.</p>
	{{ end -}}
</audio>
<a
	href="{{ $download_url }}" download=""
	{{ if $isTranscribed -}}
		itemprop="audio contentUrl"
	{{- end -}}>Download audio file <samp translate="no">{{ $name }}.mp3</samp></a>
{{- /* Strip trailing newline: https://github.com/gohugoio/hugo/issues/1753 */ -}}