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GStreamer: open source multimedia framework
https://gstreamer.freedesktop.org/
GStreamer is a library for constructing graphs of media-handling components. The applications it supports range from simple Ogg/Vorbis playback, audio/video streaming to complex audio (mixing) and video (non-linear editing) processing. Applications can take advantage of advances in codec and filter technology transparently.
audiofx - GStreamer
https://gstreamer.freedesktop.org/documentation/audiofx/index.html
audioamplify – Amplifies an audio stream by a given factor . audiochebband – Chebyshev band pass and band reject filter . audiocheblimit – Chebyshev low pass and high pass filter . audiodynamic – Compressor and Expander . audioecho – Adds an echo or reverb effect to an audio stream . audiofirfilter – Generic audio FIR filter with custom filter kernel
audiomixer - GStreamer
https://gstreamer.freedesktop.org/documentation/audiomixer/audiomixer.html
The audiomixer element can accept any sort of raw audio data, it will be converted to the target format if necessary, with the exception of the sample rate, which has to be identical to either what downstream expects, or the sample rate of the first configured pad. ... Package – GStreamer Base Plug-ins. Pad Templates. sink_%u. audio/x-raw ...
Building GStreamer - Texas Instruments
https://www.ti.com/lit/an/spraaq9/spraaq9.pdf
CODEC Engine API Library (libce.so) Audio Decoder (adecoder) Video Decoder (gdecoder) Audio Output Driver (osssink) Framebuffer Driver Sink (fbvideosink) GStreamer Components The DV-EVM software foundation and GStreamer software package are designed to enable the GStreamer multimedia framework on TI's DaVinci platform (DV-EVM). The GStreamer ...
raspberry pi - GStreamer audio how-to? - Stack Overflow
https://stackoverflow.com/questions/37691849/gstreamer-audio-how-to
Apparently I can specify alternate audio sources with an rtsp or other streaming source. The cameras are working great, so gstreamer will just be my audio source. So my progress so far: I have figured out how to play audio from the USB microphone to the speakers using: gst-launch-1.0 alsasrc device=hw:1 ! audioconvert ! autoaudiosink
Plugins - GStreamer
https://gstreamer.freedesktop.org/documentation/plugins_doc.html
1394. a52dec – Decodes ATSC A/52 encoded audio streams . aasink. accurip – Computes an AccurateRip CRC . adder – Add N audio channels together . adpcmdec – Decode MS and IMA ADPCM audio . adpcmenc – Encode ADPCM audio . aes. aiff. alaw. alpha – Adds an alpha channel to video - uniform or via chroma-keying . alphacolor – ARGB from/to AYUV colorspace …
vorbisenc - GStreamer
https://gstreamer.freedesktop.org/documentation/vorbis/vorbisenc.html
vorbisenc. This element encodes raw float audio into a Vorbis stream. Vorbis is a royalty-free audio codec maintained by the Xiph.org Foundation.. Example pipelines gst-launch-1.0 -v audiotestsrc wave=sine num-buffers=100 ! audioconvert ! vorbisenc ! oggmux ! filesink location=sine.ogg
GStreamer bouncing ball streamed to Unreal Engine via …
https://www.youtube.com/watch?v=xNSJafdXHvE
Please read my blog post for description at: https://garbage-out.weird-and-wonderful.net/2022/02/07/GStreamer_video_in_Unreal/
GStreamer - Wikipedia
https://en.wikipedia.org/wiki/GStreamer
GStreamer is a pipeline-based multimedia framework that links together a wide variety of media processing systems to complete complex workflows. For instance, GStreamer can be used to build a system that reads files in one format, processes them, and exports them in another. The formats and processes can be changed in a plug and play fashion.
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