libhb: fix issues with video options

Fixes: https://forum.handbrake.fr/viewtopic.php?f=10&t=32535&sid=321e6d1092fd09c8d380e13e86d1a9ee

- Sanitize empty video encoder settings strings to NULL.
- In the CLI, use encoder defaults if user changes the preset's video
  encoder.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@7237 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 1 insertions, 0 deletions

diff --git a/libhb/encx265.c b/libhb/encx265.c
index ba55ab703..e3160c589 100644
--- a/libhb/encx265.c
+++ b/libhb/encx265.c
@@ -105,6 +105,7 @@ int encx265Init(hb_work_object_t *w, hb_job_t *job)
     if (x265_param_default_preset(param,
                                   job->encoder_preset, job->encoder_tune) < 0)
     {
+        hb_error("encx265: x265_param_default_preset failed. Preset (%s) Tune (%s)", job->encoder_preset, job->encoder_tune);
         goto fail;
     }