mirror of
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
synced 2024-11-22 03:21:00 +00:00
transcriberbin: expose unsynced source pads for original transcripts
.. when the transcriber exposes those. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1915>
This commit is contained in:
Mathieu Duponchelle
GStreamer Marge Bot
parent
b5bd7d047c
commit
10a022e457
1 changed files with 105 additions and 45 deletions
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@ -56,7 +56,8 @@ struct TranscriptionChannel {
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}
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impl TranscriptionChannel {
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fn link_transcriber(&self, transcriber: &gst::Element) -> Result<(), Error> {
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// Returns the name of the transcriber source pad
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fn link_transcriber(&self, transcriber: &gst::Element) -> Result<String, Error> {
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let transcriber_src_pad = match self.language.as_str() {
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"transcript" => transcriber
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.static_pad("src")
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@ -72,13 +73,13 @@ impl TranscriptionChannel {
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gst::debug!(
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CAT,
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obj = transcriber,
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"Linking transcriber source pad {transcriber_src_pad:?} to channel"
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obj = transcriber_src_pad,
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"Linking transcriber source pad to channel"
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);
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transcriber_src_pad.link(&self.bin.static_pad("sink").unwrap())?;
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Ok(())
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Ok(transcriber_src_pad.name().to_string())
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}
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}
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@ -321,22 +322,8 @@ impl TranscriberBin {
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pad_state.transcription_bin.add(&channel.bin)?;
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if let Some(ref transcriber) = pad_state.transcriber {
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channel.link_transcriber(transcriber)?;
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}
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let srcpad =
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gst::GhostPad::builder_with_target(&channel.bin.static_pad("src").unwrap())
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.unwrap()
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.name(format!("src_{}", channel.language))
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.build();
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pad_state.transcription_bin.add_pad(&srcpad)?;
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if state.ccmux.static_pad(&channel.ccmux_pad_name).is_none() {
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let ccmux_pad = state
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.ccmux
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.request_pad_simple(&channel.ccmux_pad_name)
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.ok_or(anyhow!("Failed to request ccmux sink pad"))?;
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srcpad.link(&ccmux_pad)?;
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let srcpad_name = channel.link_transcriber(transcriber)?;
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pad_state.link_transcriber_pads(&self.obj(), &srcpad_name, channel, state)?;
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}
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}
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@ -936,10 +923,12 @@ impl TranscriberBin {
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.static_pad(&pad.obj().name())
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.unwrap();
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let peer = sinkpad.peer();
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let mut relink_tee = false;
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if let Some(peer) = &peer {
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gst::debug!(CAT, imp = self, "Unlinking {:?}", peer);
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peer.unlink(&sinkpad)?;
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pad_state.audio_tee.release_request_pad(peer);
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relink_tee = true;
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}
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pad_state.transcription_bin.set_locked_state(true);
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@ -979,14 +968,39 @@ impl TranscriberBin {
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let sinkpad = channel.bin.static_pad("sink").unwrap();
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if let Some(peer) = sinkpad.peer() {
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peer.unlink(&sinkpad)?;
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if channel.language != "transcript" {
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if let Some(ref transcriber) = pad_state.transcriber {
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if channel.language != "transcript" {
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transcriber.release_request_pad(&peer);
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}
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let mut unsynced_pad_name = format!("unsynced_{}", peer.name().as_str());
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if transcriber.static_pad(&unsynced_pad_name).is_some() {
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let srcpad = pad_state
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.transcription_bin
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.static_pad(&unsynced_pad_name)
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.unwrap();
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let _ = pad_state.transcription_bin.remove_pad(&srcpad);
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if let Some(serial) = pad_state.serial {
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unsynced_pad_name = format!("{}_{}", unsynced_pad_name, serial);
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}
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let srcpad = state
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.transcription_bin
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.static_pad(&unsynced_pad_name)
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.unwrap();
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let _ = state.transcription_bin.remove_pad(&srcpad);
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let srcpad = state.internal_bin.static_pad(&unsynced_pad_name).unwrap();
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let _ = state.internal_bin.remove_pad(&srcpad);
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let srcpad = self.obj().static_pad(&unsynced_pad_name).unwrap();
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let _ = self.obj().remove_pad(&srcpad);
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}
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}
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}
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let srcpad = channel.bin.static_pad("src").unwrap();
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let srcpad = pad_state
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.transcription_bin
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.static_pad(&format!("src_{}", channel.language))
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.unwrap();
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if let Some(peer) = srcpad.peer() {
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// The source pad might not have been linked to the muxer initially, for
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// instance in case of a collision with another source pad's
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@ -999,6 +1013,8 @@ impl TranscriberBin {
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}
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}
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let _ = pad_state.transcription_bin.remove_pad(&srcpad);
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pad_state.transcription_bin.remove(&channel.bin)?;
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}
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@ -1014,25 +1030,8 @@ impl TranscriberBin {
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pad_state.transcription_bin.add(&channel.bin)?;
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if let Some(ref transcriber) = pad_state.transcriber {
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channel.link_transcriber(transcriber)?;
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}
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let srcpad = pad_state
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.transcription_bin
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.static_pad(&format!("src_{}", channel.language))
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.unwrap();
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srcpad
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.downcast_ref::<gst::GhostPad>()
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.unwrap()
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.set_target(channel.bin.static_pad("src").as_ref())?;
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if state.ccmux.static_pad(&channel.ccmux_pad_name).is_none() {
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let ccmux_pad = state
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.ccmux
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.request_pad_simple(&channel.ccmux_pad_name)
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.ok_or(anyhow!("Failed to request ccmux sink pad"))?;
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srcpad.link(&ccmux_pad)?;
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let srcpad_name = channel.link_transcriber(transcriber)?;
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pad_state.link_transcriber_pads(&self.obj(), &srcpad_name, channel, state)?;
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}
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}
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@ -1041,16 +1040,18 @@ impl TranscriberBin {
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if !pad_settings.passthrough {
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gst::debug!(CAT, imp = self, "Syncing state with parent");
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let audio_tee_pad = pad_state.audio_tee.request_pad_simple("src_%u").unwrap();
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drop(pad_settings);
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drop(settings);
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pad_state.transcription_bin.set_locked_state(false);
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pad_state.transcription_bin.sync_state_with_parent()?;
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if relink_tee {
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let audio_tee_pad = pad_state.audio_tee.request_pad_simple("src_%u").unwrap();
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audio_tee_pad.link(&sinkpad)?;
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}
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}
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}
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Ok(())
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}
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@ -1807,6 +1808,8 @@ impl ElementImpl for TranscriberBin {
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)
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.unwrap();
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pad_state.serial = Some(state.audio_serial);
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if let Err(e) = self.link_input_audio_stream(&name, pad_state, state) {
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gst::error!(CAT, "Failed to link secondary audio stream: {e}");
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return None;
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@ -1987,6 +1990,7 @@ struct TranscriberSinkPadState {
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transcription_channels: HashMap<String, TranscriptionChannel>,
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srcpad_name: Option<String>,
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target_passthrough_state: TargetPassthroughState,
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serial: Option<u32>,
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}
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impl TranscriberSinkPadState {
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@ -2015,8 +2019,64 @@ impl TranscriberSinkPadState {
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transcription_channels: HashMap::new(),
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srcpad_name: None,
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target_passthrough_state: TargetPassthroughState::None,
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serial: None,
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})
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}
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fn link_transcriber_pads(
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&self,
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elem: &super::TranscriberBin,
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srcpad_name: &str,
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channel: &TranscriptionChannel,
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state: &State,
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) -> Result<(), Error> {
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let Some(ref transcriber) = self.transcriber else {
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return Ok(());
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};
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let mut unsynced_pad_name = format!("unsynced_{srcpad_name}");
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if let Some(unsynced_pad) = transcriber.static_pad(&unsynced_pad_name) {
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let srcpad = gst::GhostPad::builder_with_target(&unsynced_pad)
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.unwrap()
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.name(unsynced_pad_name.clone())
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.build();
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self.transcription_bin.add_pad(&srcpad)?;
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if let Some(serial) = self.serial {
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unsynced_pad_name = format!("{}_{}", unsynced_pad_name, serial);
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}
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let srcpad = gst::GhostPad::builder_with_target(&srcpad)
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.unwrap()
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.name(unsynced_pad_name.clone())
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.build();
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state.transcription_bin.add_pad(&srcpad)?;
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let srcpad = gst::GhostPad::with_target(&srcpad).unwrap();
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state.internal_bin.add_pad(&srcpad)?;
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let srcpad = gst::GhostPad::with_target(&srcpad).unwrap();
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elem.add_pad(&srcpad)?;
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}
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let srcpad = gst::GhostPad::builder_with_target(&channel.bin.static_pad("src").unwrap())
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.unwrap()
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.name(format!("src_{}", channel.language))
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.build();
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self.transcription_bin.add_pad(&srcpad)?;
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if state.ccmux.static_pad(&channel.ccmux_pad_name).is_none() {
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let ccmux_pad = state
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.ccmux
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.request_pad_simple(&channel.ccmux_pad_name)
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.ok_or(anyhow!("Failed to request ccmux sink pad"))?;
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srcpad.link(&ccmux_pad)?;
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}
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Ok(())
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}
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}
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pub struct TranscriberSinkPad {
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