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Gstreamer: extract audio from video (flv), resample rate ...
https://stackoverflow.com/questions/17290320/gstreamer-extract-audio-from-video-flv-resample-rate-and-pipe-to-streaming-s
File to stream (doesn't work): gst-launch-0.10 filesrc location=/data/Opinion.flv ! flvdemux ! audio/mpeg ! decodebin ! audioconvert ! audio/x-raw-int, channels=1 ! audioresample ! audio/x-raw-int, rate=16000,depth=16 ! jackaudiosink. WARNING: erroneous pipeline: could not link audioresample0 to jackaudiosink0.
audio - GStreamer pipeline of 2 wav files onto single …
https://stackoverflow.com/questions/62636159/gstreamer-pipeline-of-2-wav-files-onto-single-rtsp-with-2-channels
Gstreamer: extract audio from video (flv), resample rate and pipe to streaming sink - can't resample to stream. 0. Gstreamer pipeline multiple sink to one src. 0. gstreamer pipeline for streaming multiplexed h.264 and aac audio between two raspberry pi's. 0.
audiofx - GStreamer
https://gstreamer.freedesktop.org/documentation/audiofx/index.html
Filter/Effect/Audio: Adds an echo or reverb effect to an audio stream: audiofirfilter: Filter/Effect/Audio: Generic audio FIR filter with custom filter kernel: audioiirfilter: Filter/Effect/Audio: Generic audio IIR filter with custom filter kernel: audioinvert: Filter/Effect/Audio: Swaps upper and lower half of audio samples: audiokaraoke: …
Stream selection - GStreamer: open source multimedia …
https://gstreamer.freedesktop.org/documentation/additional/design/stream-selection.html
This document describes the events and objects involved in stream selection in GStreamer pipelines, elements and applications. History / Availability. Since 1.10: ... so the app/user can choose which audio track(s) to decode and/or use. ... the DVD Virtual Machine needs to extract 1 angle from the data for presentation. It can publish the ...
python - GStreamer How to extract video frame from the ...
https://stackoverflow.com/questions/12003663/gstreamer-how-to-extract-video-frame-from-the-flow
GStreamer How to extract video frame from the flow? Ask Question Asked 9 years, 4 months ago. Active 9 years, 4 months ago. Viewed 6k times 3 2. This is python code for capturing streaming video from server. but I need to write a function to extract one frame from the flow. It will be a button. On click it will show current frame. ...
GstBuffer - GStreamer
https://gstreamer.freedesktop.org/documentation/gstreamer/gstbuffer.html
GstBuffer. Buffers are the basic unit of data transfer in GStreamer. They contain the timing and offset along with other arbitrary metadata that is associated with the GstMemory blocks that the buffer contains.. Buffers are usually created with gst_buffer_new.After a buffer has been created one will typically allocate memory for it and add it to the buffer.
Basic tutorial 10: GStreamer tools
https://gstreamer.freedesktop.org/documentation/tutorials/basic/gstreamer-tools.html
This media contains both audio and video, so matroskademux will create two output Pads, named video_0 and audio_0. ... It accepts a URI from the command line and prints all information regarding the media that GStreamer can extract. It is useful to find out what container and codecs have been used to produce the media, and therefore what ...
Basic tutorial 8: Short-cutting the pipeline - GStreamer
https://gstreamer.freedesktop.org/documentation/tutorials/basic/short-cutting-the-pipeline.html
The element used to inject application data into a GStreamer pipeline is appsrc, and its counterpart, used to extract GStreamer data back to the application is appsink. To avoid confusing the names, think of it from GStreamer's point of view: appsrc is just a regular source, that provides data magically fallen from the sky (provided by the ...
Metadata - GStreamer
https://gstreamer.freedesktop.org/documentation/application-development/advanced/metadata.html
Metadata. GStreamer makes a clear distinction between the two types of metadata it supports: Stream tags, which describe the content of a stream in a non-technical way; and Stream-info, which is a somewhat technical description of the properties of a stream. Stream tags examples include the author of a song, the song's title or the album it ...
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