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, 24 deletions

diff --git a/libhb/work.c b/libhb/work.c
index 4b09144b2..e3e41cdb2 100644
--- a/libhb/work.c
+++ b/libhb/work.c
@@ -359,13 +359,6 @@ void hb_display_job_info(hb_job_t *job)
     }
     else
 #endif
-#ifdef USE_HWD
-    if (hb_hwd_enabled(job->h))
-    {
-        hb_log("   + decoder: %s (dxva2)", title->video_codec_name);
-    }
-    else
-#endif
     {
         hb_log("   + decoder: %s", title->video_codec_name);
     }
@@ -1421,23 +1414,6 @@ static void do_job(hb_job_t *job)
         goto cleanup;
     }
 
-#ifdef USE_HWD
-    /*
-     * Check support for and enable DXVA2-accelerated when applicable; we need:
-     * - a compatible input bitstream (HB_DECODE_SUPPORT_DXVA2)
-     * - DXVA2-accelerated decoding enabled (job->use_hwd)
-     * - an AVFormatContext (title->opaque_priv) for now
-     */
-    if (title->video_decode_support & HB_DECODE_SUPPORT_DXVA2)
-    {
-        hb_hwd_set_enable(job->h, job->use_hwd && title->opaque_priv != NULL);
-    }
-    else
-#endif
-    {
-        hb_hwd_set_enable(job->h, 0);
-    }
-
     // Filters have an effect on settings.
     // So initialize the filters and update the job.
     if (job->list_filter && hb_list_count(job->list_filter))