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Obtaining this kind of information from media tracks is essencial to check, in a given client, if such track can direct play or not. Since we have all the data available to build codecs following RFC …
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HEIF-v2 includes the 1pic brand to denote when a file only contains "one image".
What should this mean exactly? Is a grid image that is composed of several images also a 1pic? My interpretation would…
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I'm currently working on a small MP4 parser and analyzer. It currently reads a JSON representation of the structure of known box types, then parses the MP4 file and dumps the information.
Now I was w…
stevn updated
3 months ago
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**Reported by diegosuarez on 2014-08-20 09:20 UTC**
Dear all,
I have generated DASH content with MP4Box based on H.265 video (x265 in FFmpeg).
MP4Box - GPAC version 0.5.1-DEV-rev5322 is being used, r…
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ISO/IEC 14496-3:2009/Amd 4:2013 (New levels for AAC profiles) specifies the format of 7.1-channel AAC with rear surrounds. According to it, such a file should have `audioProfileLevelIndication = 0x50`…
ghost updated
2 years ago
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### Version
Media3 main branch
### More version details
Issue occurs on all recent versions(1.3.0 and up were tested)
### Devices that reproduce the issue
Pixel 7 (14)
Nvidia Shie…
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I briefly examined the actual H.264 bytestream via aizvorski/h264bitstream and found some suspect things. I believe the video samples I store and the `.mp4`s I serve include sps/pps information, for e…
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I just stumbled across this repo, linked to from https://github.com/golang/go/issues/16353, which proposes to add packages under golang.org/x. A necessary but not sufficient condition for golang.org/x…
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I am attempting to read the new data set with the mp4 files, while this code snippet from mixer.py
sig, sr_sig = __audioread_load(filename, offset=0.0, duration=None, dtype=np.float32)
returns a…
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/mpeg2ts.rb:207:in `processAdaptationField': not supported adaptation field (RuntimeError)
```
from /mpeg2ts/mpeg2ts.rb:418:in `processMPEG2TSBlock'
from /mpeg2ts/mpeg2ts.rb:450:in `block in '
from /…