icvFFMPEGErrStr  1743 modules/videoio/src/cap_ffmpeg_impl.hpp         fprintf(stderr, "Could not find encoder for codec id %d: %s", c->codec_id, icvFFMPEGErrStr(
icvFFMPEGErrStr  1767 modules/videoio/src/cap_ffmpeg_impl.hpp         fprintf(stderr, "Could not open codec '%s': %s", codec->name, icvFFMPEGErrStr(err));