89b4e758d3
Before the change, filter_frame() always waited for 2 samples in the bottom frames queue. This notably fixes commands such as ./ffplay tests/lena.pnm -vf split,blend=c0_mode=addition
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory in git. You can also view it online at http://ffmpeg.org/documentation.html 2) Licensing ------------ * See the LICENSE file. 3) Build and Install -------------------- * See the INSTALL file.