remove dxva hw decode (#189)

* remove dxva hw decode

It provides practically no speed increase even on a slow CPU and results
in a speed decrease on fast CPUs.  And the code is exceptionally fugly.

* cli: remove USE_HWD

1 files changed, 0 insertions, 20 deletions

diff --git a/libhb/hb.c b/libhb/hb.c
index fdda96e77..12e541a92 100644
--- a/libhb/hb.c
+++ b/libhb/hb.c
@@ -67,31 +67,11 @@ struct hb_handle_s
 
     // power management opaque pointer
     void         * system_sleep_opaque;
-
-    // When hardware decoding, scan must also use hardware so that
-    // libav hardware decode contest is used.  So set hardware
-    // decoding as a global property on the hb instance.
-    hb_hwd_t       hwd;
 };
 
 hb_work_object_t * hb_objects = NULL;
 int hb_instance_counter = 0;
 
-void hb_hwd_set_enable( hb_handle_t *h, uint8_t enable )
-{
-    h->hwd.enable = enable;
-}
-
-int hb_hwd_enabled( hb_handle_t *h )
-{
-    return h->hwd.enable;
-}
-
-hb_hwd_t * hb_hwd_get_context( hb_handle_t *h )
-{
-    return &h->hwd;
-}
-
 static void thread_func( void * );
 
 static int ff_lockmgr_cb(void **mutex, enum AVLockOp op)