Top "Libav" questions

libav (or libav*) is the collective name of the FFmpeg libraries: libavcodec, libavformat, libavfilter, libavutil, etc.

keyframe is not a keyframe? AV_PKT_FLAG_KEY does not decode to AV_PICTURE_TYPE_I

After decoding a packet containing AV_PKT_FLAG_KEY in the flags, I was expecting to get I-frames, but instead …

ffmpeg libavcodec libav libavformat
Unable to install avconv/libav

I'm having no luck install libav on OS X Mavericks. Ive tried everything. I'm following this guide: http://earthwithsun.com/…

macos configure libavcodec libav avconv
libfaac: Queue input is backward in time

I am using libav along with libfaac to encode audio into aac. following is the logic: frames[n] i = 0 ; while (…

audio ffmpeg libav transcoding libfaac
How to decode AAC using avcodec_decode_audio4?

I changed in my code avcodec_decode_audio3 to avcodec_decode_audio4 and added the frame handling. But now I …

ffmpeg libavcodec libav decoder libavformat
avconv / ffmpeg webcam capture while using minimum CPU processing

I have a question about avconv (or ffmpeg) usage. My goal is to capture video from a webcam and saving …

ffmpeg video-capture libav avconv webcam-capture
Decode MP3, then increase the audio volume, and then encode the new audio

I want to first decode a MP3 audio file, and then increase the volume of the audio, and then encode …

ffmpeg libavcodec libav libavformat
Linker error when unit testing: ld: illegal text-relocation to cstring in ... from _av_image_check_size in .../libavutil.a(imgutils.o)

In Xcode 4.3.2, building an iPad app, which includes libavutil.a from the ffmpeg distribution, it builds and runs correctly but …

ios unit-testing xcode4.3 linker-errors libav
Decode a video file from memory using libav

Supose I have an entire video file in memory and I want to use libav to decode the whole frames. …

c++ ffmpeg h.264 libav