c0b91348fe
Avoid fastidious creation and immediate destroy of the display in case one of the dither options fails to be set. Also add NULL checks in write_trailer(), which are now necessary since the function can be called when not all the components have been initialized.
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.