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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.
gst-python/py_audiotestsrc.py at master · GStreamer/gst ...
https://github.com/GStreamer/gst-python/blob/master/examples/plugins/python/py_audiotestsrc.py
Gst. error ('py_audiotestsrc requires numpy') raise: OCAPS = Gst. Caps. from_string ('audio/x-raw, format=F32LE, layout=interleaved, rate=44100, channels=2') SAMPLESPERBUFFER = 1024: DEFAULT_FREQ = 440: DEFAULT_VOLUME = 0.8: DEFAULT_MUTE = False: DEFAULT_IS_LIVE = False: class AudioTestSrc (GstBase. BaseSrc): __gstmetadata__ = ('CustomSrc', 'Src', \
gst-plugins-base/gstaudiotestsrc.c at master - GitHub
https://github.com/GStreamer/gst-plugins-base/blob/master/gst/audiotestsrc/gstaudiotestsrc.c
caps = GST_BASE_SRC_CLASS (parent_class)-> fixate (bsrc, caps); return caps;} static gboolean: gst_audio_test_src_setcaps (GstBaseSrc * basesrc, GstCaps * caps) {GstAudioTestSrc *src = GST_AUDIO_TEST_SRC (basesrc); GstAudioInfo info; if (! gst_audio_info_from_caps (&info, caps)) goto invalid_caps; GST_DEBUG_OBJECT (src, " negotiated to caps % " GST_PTR_FORMAT, caps);
gst-plugins-base/audiotestsrc.c at master · …
https://github.com/GStreamer/gst-plugins-base/blob/master/tests/check/elements/audiotestsrc.c
'Base' GStreamer plugins and helper libraries. Contribute to GStreamer/gst-plugins-base development by creating an account on GitHub.
GStreamer / [gst-devel] audiotestsrc ! ffenc_g726 ...
https://sourceforge.net/p/gstreamer/mailman/message/20785000/
I have not seen any settable property or caps value on either audiotestsrc or ffenc_g726. If I have missed something or am doing something wrong please let me know. If there is an alternate solution please let me know. Please help me resolve this problem. I would like to thank all the people who have taken the time in reading my mail.
Gstreamer duplicate 2channel audio - Stack Overflow
https://stackoverflow.com/questions/63884598/gstreamer-duplicate-2channel-audio
gst-launch-1.0 audiotestsrc wave=0 freq=100 volume=0.4 ! audio/x-raw,rate=48000,format=S16BE ! queue ! capssetter caps="audio/x-raw,channels=16,rate=48000,channel-mask=(bitmask)0xffff" ! audioconvert ! audioresample ! wavenc ! filesink location=test.wav
Basic tutorial 6: Media formats and Pad ... - GStreamer
https://gstreamer.freedesktop.org/documentation/tutorials/basic/media-formats-and-pad-capabilities.html
The Capabilities (or Caps, for short) of a Pad, then, specify what kind of information can travel through the Pad. For example, “RGB video with a resolution of 320x200 pixels and 30 frames per second”, or “16-bits per sample audio, 5.1 channels at 44100 samples per second”, or even compressed formats like mp3 or h264.
GStreamer Pipeline Samples #GStreamer · GitHub
https://gist.github.com/liviaerxin/bb34725037fd04afa76ef9252c2ee875
Gstreamer Pipeline Samples. Stream H.264 video over rtp using gstreamer. Implementing GStreamer Webcam (USB & Internal) Streaming [Mac & C++ & CLion] GStreamer command-line cheat sheet. Example GStreamer Pipelines. Gstreamer real life examples.
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