ffmpeg | branch: master | Nicolas George <geo...@nsup.org> | Mon Feb 17 12:59:27 2020 +0100| [26ae9c9f8aebbf4b925649f971f90c0dee047aa9] | committer: Nicolas George
lavd/opengl_enc: check strings before parsing them. Fix a segfault if OpenGL was not initialized before calling write_header(). > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=26ae9c9f8aebbf4b925649f971f90c0dee047aa9 --- libavdevice/opengl_enc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavdevice/opengl_enc.c b/libavdevice/opengl_enc.c index fa94345a7c..b07f9c2e43 100644 --- a/libavdevice/opengl_enc.c +++ b/libavdevice/opengl_enc.c @@ -588,6 +588,10 @@ static av_cold int opengl_read_limits(AVFormatContext *h) version = glGetString(GL_VERSION); extensions = glGetString(GL_EXTENSIONS); + if (!version || !extensions) { + av_log(h, AV_LOG_ERROR, "No OpenGL context initialized for the current thread\n"); + return AVERROR(ENOSYS); + } av_log(h, AV_LOG_DEBUG, "OpenGL version: %s\n", version); sscanf(version, "%d.%d", &major, &minor); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
