657c603263
According to doc/errno.txt EOVERFLOW is not available everywhere. The use of -1 is consistent with avcodec/srtenc.c.
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.