h264-live-player | A live h264 player for the browser ( ideal for raspberrypi

 by   131 JavaScript Version: Current License: MIT

kandi X-RAY | h264-live-player Summary

kandi X-RAY | h264-live-player Summary

h264-live-player is a JavaScript library typically used in Internet of Things (IoT), OpenCV, Raspberry Pi applications. h264-live-player has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

A live h264 player for the browser (ideal for raspberrypi / raspicam )
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            kandi-support Support

              h264-live-player has a medium active ecosystem.
              It has 1024 star(s) with 249 fork(s). There are 66 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 32 open issues and 45 have been closed. On average issues are closed in 95 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of h264-live-player is current.

            kandi-Quality Quality

              h264-live-player has 0 bugs and 0 code smells.

            kandi-Security Security

              h264-live-player has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              h264-live-player code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              h264-live-player is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              h264-live-player releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.
              h264-live-player saves you 24 person hours of effort in developing the same functionality from scratch.
              It has 67 lines of code, 0 functions and 11 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            h264-live-player Key Features

            No Key Features are available at this moment for h264-live-player.

            h264-live-player Examples and Code Snippets

            No Code Snippets are available at this moment for h264-live-player.

            Community Discussions

            Trending Discussions on h264-live-player

            QUESTION

            H.264 decoding failing to parse unusual frame headers
            Asked 2017-Apr-20 at 13:44

            I'm reading an H.264 stream from a camera on a raspberry pi. I'm trying to pass this to Broadway via websockets to render in a web page.

            The stream contains NAL units, and I'm chunking it on the [0,0,0,1] start prefix code, to send and then decode NAL units individually. I think that's working fine, but Broadway can't decode the result I end up with.

            Digging into the parsing code I've based this on though, it seems to be expecting the 5th byte (straight after the start prefix code) to be either:

            • 0x65 - an I frame
            • 0x41 - a P frame
            • 0x67 - an SPS frame
            • 0x68 - a PPS frame

            I've seen a lot of mention of these elsewhere too. All the units I have coming through though seem to start with (in order):

            • 0x27 0x64 (1st unit)
            • 0x28 0xEE (2nd unit)
            • 0x25 0x88 (3rd unit, then intermittently later on)
            • 0x21 0x9A (every single other unit in the stream)

            What do these headers mean in an H.264 stream? Do they suggest something about what I need to do to match Broadway's expectations?

            (If the full code would be useful to understand this better, see https://github.com/pimterry/pi-cam/tree/d801de9b)

            ...

            ANSWER

            Answered 2017-Apr-20 at 13:44

            This was a red herring: the actual issue for me here was that some existing frame dropping logic meant that I wasn't passing Broadway the first few frames in the stream, and it was failing to render. Replaying the SPS and PPS frames for all new connections and making sure they're never dropped has fixed the issue nicely.

            I also did work out what these bytes are though, which helped, and may be useful for others for reference:

            Source https://stackoverflow.com/questions/43507254

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install h264-live-player

            You can download it from GitHub.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            CLONE
          • HTTPS

            https://github.com/131/h264-live-player.git

          • CLI

            gh repo clone 131/h264-live-player

          • sshUrl

            git@github.com:131/h264-live-player.git

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