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What means Planar Format? - AfterDawn
https://www.afterdawn.com/glossary/term.cfm/planar_format
Planar Formats store all the luma information for a frame, followed by all the information for one chroma Channel (U or V), and then the information for the other chroma channel. Planar Formats are generally used for consumer video applications because they allow chroma to be co-located between luma Pixels , resulting in as much as 50% Compression with little loss of quality.
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GitHub - audiojs/audio-format: Parse or stringify audio …
https://github.com/audiojs/audio-format
Get string identifying a format object. Optional defaults can indicate properties to skip if format value matches them. format.stringify({channels: 2, interleaved: false}) // 'stereo planar' format.stringify( {type: 'float32', endianness: 'le', interleaved: false, channels: 2}, {endianness: 'le', type: 'float32'} ) // 'stereo planar' format.stringify(new AudioBuffer(null, {length: …
Planar/interleaved option? · Issue #3 · raymond-h/pcm …
https://github.com/raymond-h/pcm-format/issues/3
There’s interesting difference between how node-speaker and web-audio-api represent buffered PCM data. Node-speaker takes input data in interleaved form, as LRLRLRLR..., whereas web-audio, probably as well as some other libs, take it in planar form as LLLLLLRRRRRR. There’s explanation in MDN article.. In that, it might be useful to be able to perform conversion …
audio - What is the difference between …
https://stackoverflow.com/questions/18888986/what-is-the-difference-between-av-sample-fmt-s16p-and-av-sample-fmt-s16
AV_SAMPLE_FMT_S16P is planar signed 16 bit audio, i.e. 2 bytes for each sample which is same for AV_SAMPLE_FMT_S16. The only difference is in AV_SAMPLE_FMT_S16 samples of each channel are interleaved i.e. if you have two channel audio then the samples buffer will look like. c1 c2 c1 c2 c1 c2 c1 c2... where c1 is a sample for channel1 and c2 is …
Planar URP75
https://www.planar.com/products/large-format-lcd-displays/ultrares-p/ultrares-p-specifications/planar-urp75/?f=Planar%20URP75.pdf
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audio - FFmpeg - resampling from …
https://stackoverflow.com/questions/22822515/ffmpeg-resampling-from-av-sample-fmt-fltp-to-av-sample-fmt-s16-got-very-bad-so
You need to remember that AV_SAMPLE_FMT_FLTP is a planar mode. If your code is expecting an AV_SAMPLE_FMT_S16 (interleaved mode) output, you need to reorder the samples after converting. Considering 2 audio channels and using interleaved mode, the samples are ordered as "c0, c1, c0, c1, c0, c1, ...". Planar mode is "c0, c0, c0, ..., c1, c1, c1, ...".
Planar Support | Planar
https://www.planar.com/support/
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GstPlanarAudioAdapter
https://gstreamer.freedesktop.org/documentation/bad-audio/gstplanaraudioadapter.html
gst_planar_audio_adapter_configure ( GstPlanarAudioAdapter * adapter, const GstAudioInfo * info) Sets up the adapter to handle audio data of the specified audio format. Note that this will internally clear the adapter and re-initialize it. Parameters: adapter – a GstPlanarAudioAdapter info – a GstAudioInfo describing the format of the audio data
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