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transcriberbin: Configure audioresample in front of transcriber

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Allows any samplerate and make it negotiable. Fixing a scenario
where transcriberbin is configured with passthrough enabled,
(and negotiated samplerate is not supported by transcriber)
and then setting passthrough=false later during playback.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1287>
This commit is contained in:
Seungha Yang 2023-07-24 22:51:07 +09:00
parent d4b3827efa
commit 516c623df5
1 changed files with 5 additions and 0 deletions
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5
video/closedcaption/src/transcriberbin/imp.rs
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@ -72,6 +72,7 @@ struct State {
audio_queue_passthrough: gst::Element,
video_queue: gst::Element,
audio_tee: gst::Element,
transcriber_resample: gst::Element,
transcriber_aconv: gst::Element,
transcriber: gst::Element,
ccmux: gst::Element,
@ -176,6 +177,7 @@ impl TranscriberBin {
state.transcription_bin.add_many([
&aqueue_transcription,
&state.transcriber_resample,
&state.transcriber_aconv,
&state.transcriber,
&state.ccmux,
@ -187,6 +189,7 @@ impl TranscriberBin {
gst::Element::link_many([
&aqueue_transcription,
&state.transcriber_resample,
&state.transcriber_aconv,
&state.transcriber,
])?;
@ -730,6 +733,7 @@ impl TranscriberBin {
let cccombiner = gst::ElementFactory::make("cccombiner")
.name("cccombiner")
.build()?;
let transcriber_resample = gst::ElementFactory::make("audioresample").build()?;
let transcriber_aconv = gst::ElementFactory::make("audioconvert").build()?;
let transcriber = gst::ElementFactory::make("awstranscriber")
.name("transcriber")
@ -776,6 +780,7 @@ impl TranscriberBin {
internal_bin,
audio_queue_passthrough,
video_queue,
transcriber_resample,
transcriber_aconv,
transcriber,
ccmux,