What are bitstream filters in ffmpeg?
After careful reading of FFmpeg Bitstream Filters Documentation , I still do not understand what they are really for. The document states that the filter: performs bitstream level modifications without performing decoding Could anyone further explain that to me? A use case would greatly clarify things. Also, there are clearly different filters. How do they differ? Let me explain by example. FFmpeg video decoders typically work by converting one video frame per call to avcodec_decode_video2. So the input is expected to be "one image" worth of bitstream data. Let's consider this issue of going