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Questions tagged [openh264]

Cisco has taken their H.264 implementation, and open sourced it under BSD license terms. Development and maintenance will be overseen by a board from industry and the open source community. Furthermore, we have provided a binary form suitable for inclusion in applications across a number of different operating systems, and make this binary module available for download from the Internet

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Frames dropped when using the precompiled OpenH264 binary provided by Cisco

I am experiencing a problem with frames being dropped when using the precompiled OpenH264 binary provided by Cisco. However, if I compile the library myself without modifying the source, I do not have that issue. I need to use the precompiled binary…
Pantelis
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Using Openh264 in a C# project

I am trying to build a demo C# project using the openh264 library from Cisco. I have a very basic setup. Here is the .sln file Microsoft Visual Studio Solution File, Format Version 12.00 # Visual Studio Version 17 VisualStudioVersion =…
msmechanized
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Stream a webcam video using flask and h264 codec

I need to stream from the PC camera using Python, I would prefer to use h264 as a codec to have a light video than to send single frames as images that weigh a lot. I searched a lot on the internet and did a lot of tests but I can't get it to work,…
ErSeraph
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Saving video from frames in with fourcc codec h264 and h265 with opencv

I am saving frames from live stream to a video with h264 codec. I tried this with openCV (versions 3.4 and 4.4) in python but I am not able to save it. I can save video in XVID and many other codecs but I am not successful in h264 and h265. I am…
Imran
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'undefined symbol: __stack_chk_guard' in libopenh264.so when building FFmpeg with emcc

I am trying to build codecbox.js on Ubuntu 18.04, which involves building FFmpeg with emcc. At some stage of the build process, FFmpeg's configure script tries to process the following code: #include #include long…
Christophe Fuzier
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Anaconda cannot find openh264 library

I am trying to install openh264 to use with opencv on a jupyter notebook. I am working from the anaconda prompt within an environment on Windows 10 Pro. I am using the recommended channels found on the Anaconda website. For every and each of…
InverniE
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How to convert Openh264 DecodeFrameNoDelay output format to OpenCV matrix?

I want to convert output format of DecodeFrameNoDelay function is yuvData and bufferInfo to OpenCV matrix that I can use imshow function to display frame on window Link git to DecodeFrameNoDelay detail:…
Max
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Building OpenH264 library with android NDK19 fails

I need to build openh264 library for android. I downloaded from official webpage(https://github.com/cisco/openh264). I'm following the same steps. It's working with android ndk15, not working with latest ndk19. Because they have removed the stlport…
Nandhakumar Kittusamy
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OpenH264 decoding with network latency causing failure

I have OpenH264 working on my local network. The code is something like. send(server, frame) recv(client, frame) DecodeFrameNoDelay(frame, frame_buffer) if(frame_buffer.iBufferStatus == 1) //process frame This works fine with a low latency…
TaW
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how to covert Y,U,V buffer to one-dimensional array

I'm trying to convert an hls file to jpeg. firstly, I used openh264 to convert HLS file to YUV. I got a two dimensional array containing Y, U, V buffer (*pData[3]). After that, I try to combine the three arrays into one to pass it to…
Pittie
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how to install nasm on mingw for build openh264 library for windows application using pjsip library

I am struggling with build openh264 library in mingw . showing some error like nasm not INSTALLED ERROR found ..How to resolve the issues.. actually i want to add video settings in pjsip library for running call applications.. I have put command in…
Prince
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ParamValidationExt error with WelsInitEncoderExt failed while setting up OpenH264 encoder

Scenario: I am using OpenH264 with my App to encode into a video_file.mp4. Environment: Platform : MacOs Sierra Compiler : Clang++ The code: Following is the crux of the code I have: void EncodeVideoFile() { ISVCEncoder * encoder_; …
TheWaterProgrammer
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Invalid or unsupported command "update project -t -p" error building OpenH264

I am trying to compile OpenH264 as static libraries for Android arm. I executed following commands in OpenH264's parent folder. export PATH=/Full/Path/to/Android/sdk/tools:$PATH make OS=android NDKROOT=/Full/Path/to/ndk/android-ndk-r10e TARGET=21…
TheWaterProgrammer
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How do I configure ffmpeg & openh264 so that the video file can be opened in Windows Media Player 12

I have successfully created h264/mp4 movie files with ffmpeg and the x264 library. Now I would like to change the h264 library from x264 to openH264. I could replace the x264 library with openH264, recompile ffmpeg and produce movie files, without…
Sacha Guyer
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OpenH264 example for android

I'm looking for a nice example on how can i record a video and encode it to H264 video. Looking the web, all information i've found is more related to compiling the open source and not how can it be used from Android camera.
ibm123
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