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linux - ERROR: pipeline could not be constructed: no ...
https://stackoverflow.com/questions/44448598/error-pipeline-could-not-be-constructed-no-element-audiotestsrc
I replaced "gst-launch audiotestsrc ! alsasink" with "gst-launch-0.10 audiotestsrc ! alsasink" and that did the trick. The problem was with the version on the gst-launch command. Hope this can help anyone. Any other comments for clarity purposes are more than welcomed.
audiotestsrc - GStreamer
https://gstreamer.freedesktop.org/documentation/audiotestsrc/index.html
audiotestsrc AudioTestSrc can be used to generate basic audio signals. It support several different waveforms and allows to set the base frequency and volume. Some waveforms might use additional properties. Waveform specific notes: Gaussian white noise This waveform produces white (zero mean) Gaussian noise.
Troubleshooting AVS Device SDK Common Issues | Alexa …
https://developer.amazon.com/en-US/docs/alexa/avs-device-sdk/troubleshooting.html
Run the following command gst-launch-1.0 -m audiotestsrc ! alsasink If you hear a test tone, you must modify the value on line 589. Replace the existing audio_sink values m_pipeline.audioSink = gst_element_factory_make ("autoaudiosink", "audio_sink"); With the following audio_sink values
alsasink - GStreamer
https://gstreamer.freedesktop.org/documentation/alsa/alsasink.html
Authors: – Wim Taymans Classification: – Sink/Audio Rank – primary. Plugin – alsa. Package – GStreamer Base Plug-ins
Bug 692953 – alsasink does not synchronise properly with a ...
https://bugzilla.gnome.org/show_bug.cgi?id=692953
For your information, I have an "audiotestsrc ! alsasink" pipeline running since three days without problem. The problem seems appear when connectig one live source to a live sink, if one of this live source or sink is an alsa module (audiotesrsrc is an exception since it has been conceived to handle every usecase). does'not fail: jackaudiosrc ...
raspberrypi2 yoctoでalsasink(gstreamer1.0) - みつきんのメモ
https://mickey-happygolucky.hatenablog.com/entry/2015/04/07/004903
alsasinkの動作確認. gst-launch-1.0というコマンドで任意のGStreamer パイプライン を実行することができる。. 以下のようにして、alsasinkの動作を確認する。. # gst-launch-1.0 audiotestsrc ! alsasink. これで音が出れば成功。.
gstreamer – Gateworks
http://trac.gateworks.com/wiki/gstreamer
Audio Output via Linux ALSA driver and GStreamer alsasink Audio Input via Linux ALSA driver and GStreamer alsasrc audiotestsrc Audio Encoding Audio Decoding Audio Formats and Conversion Audio loopback (Useful for testing audio input and output) Multimedia (Video and Audio combined) Named Elements, queues, and Multiple pipelines with gst-launch
Python GStreamer Tutorial - GitHub Pages
http://brettviren.github.io/pygst-tutorial-org/pygst-tutorial.pdf
gst-launch-1.0 audiotestsrc ! alsasink videotestsrc ! xvimagesink Or, you can make a single frame JPEG gst-launch-1.0 videotestsrc num-buffers=1 ! jpegenc !\ filesinklocation=videotestsrc-frame.jpg If you are using the "name" property you may …
gstreamer with python | Windel's Python weblog
https://windelbouwman.wordpress.com/2012/08/26/gstreamer-with-python/
The audiotestsrc element generates an audible testtone with some frequency and outputs this to its source. The alsasink accepts a stream on its sink and plays this on an alsa audio device. We will create a pipeline and add these two elements in the next piece: 1 2 3 4 5 6 7 8 self.pipeline = gst.Pipeline ("test_pipeline")
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