c++ Programming Glossary: ffmpeg
What is the most efficient way to display decoded video frames in Qt? http://stackoverflow.com/questions/1242005/what-is-the-most-efficient-way-to-display-decoded-video-frames-in-qt this I still have to convert the YUV 420P to RGB32 but ffmpeg has a very fast implementation of that conversion in libswscale...
How to seek in FFmpeg C/C++ http://stackoverflow.com/questions/5261658/how-to-seek-in-ffmpeg-c-c or pts from the packet but its always returning 0. c c ffmpeg video processing share improve this question I didn't write.. Convert time into frame number DesiredFrameNumber ffmpeg av_rescale tsms pFormatCtx streams videoStream time_base.den.. 1000 return seekFrame DesiredFrameNumber bool seekFrame ffmpeg int64_t frame printf seekFrame to d. LLT d. LT d. LLF d. LF..
MJPEG streaming and decoding http://stackoverflow.com/questions/6022423/mjpeg-streaming-and-decoding For this I tried cvCreateFileCapture_FFMPEG in OpenCV. But ffmpeg seems to have some problem with the MJPEG format of the streaming.. of either of the following questions How can I disable ffmpeg's automatic stream information detection and specify my own.. using OpenCV using cvCreateFileCapture_FFMPEG . However ffmpeg decoder's MJPEG codec has a widely known unresolved issues...
OpenCV with Network Cameras http://stackoverflow.com/questions/712998/opencv-with-network-cameras over http. I've seen many threads talking about using ffmpeg with openCV but I cannot make it work. How I can grab frames.. with openCV Thanks Andrea c windows networking opencv ffmpeg share improve this question rtsp protocol did not work for..
Audio output with video processing with opencv http://stackoverflow.com/questions/8187745/audio-output-with-video-processing-with-opencv number. I think I should create a parallel process with ffmpeg but I don't know how to do so. Can you explain what to do Or.. to do Or do you know another solution c c audio opencv ffmpeg share improve this question I think ffmpeg should be used.. opencv ffmpeg share improve this question I think ffmpeg should be used to play audio and SDL for video in this case...
Reading a video with openCV http://stackoverflow.com/questions/14833553/reading-a-video-with-opencv from a video file because it's the underlying library FFmpeg GStreamer that does the job. OpenCV also supports converting..
How to seek in FFmpeg C/C++ http://stackoverflow.com/questions/5261658/how-to-seek-in-ffmpeg-c-c to seek in FFmpeg C C Does anyone know how to implement seeking by seconds or.. how to implement seeking by seconds or milliseconds in FFmpeg. I currently have a loop running through the frames of a video..
Compile ffmpeg.c and call its main() via JNI http://stackoverflow.com/questions/5412722/compile-ffmpeg-c-and-call-its-main-via-jni ffmpeg.c and call its main via JNI I have built FFmpeg on Android. I am trying to call the main in ffmpeg.c via JNI..
Audio output with video processing with opencv http://stackoverflow.com/questions/8187745/audio-output-with-video-processing-with-opencv pFormatCtx filename NULL 0 NULL 0 fprintf stderr FFmpeg failed to open file s n filename exit 1 if av_find_stream_info.. exit 1 if av_find_stream_info pFormatCtx 0 fprintf stderr FFmpeg failed to retrieve stream info n exit 1 Dump information about..
Cross Platform (C/C++) Audio Library for MP3, AAC, WAV http://stackoverflow.com/questions/9182074/cross-platform-c-c-audio-library-for-mp3-aac-wav this question You can take a look at GStreamer and FFmpeg . EDIT Since you are willing to use Qt you should definitely..
Decode audio and video and process both streams — ffmpeg, sdl, opencv http://stackoverflow.com/questions/9429342/decode-audio-and-video-and-process-both-streams-ffmpeg-sdl-opencv pFormatCtx filename NULL NULL 0 fprintf stderr FFmpeg failed to open file s n filename exit 1 if av_find_stream_info.. exit 1 if av_find_stream_info pFormatCtx 0 fprintf stderr FFmpeg failed to retrieve stream info n exit 1 Dump information about..
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