Signed-off-by: Boyuan Zhang <boyuan.zh...@amd.com>
---
 src/gallium/state_trackers/va/picture.c | 36 +++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/gallium/state_trackers/va/picture.c 
b/src/gallium/state_trackers/va/picture.c
index 26205b1..2d22e8b 100644
--- a/src/gallium/state_trackers/va/picture.c
+++ b/src/gallium/state_trackers/va/picture.c
@@ -95,6 +95,41 @@ vlVaGetReferenceFrame(vlVaDriver *drv, VASurfaceID 
surface_id,
       *ref_frame = NULL;
 }
 
+static void
+getEncParamPreset(vlVaContext *context)
+{
+   //motion estimation preset
+   context->desc.h264enc.motion_est.motion_est_quarter_pixel = 0x00000001;
+   context->desc.h264enc.motion_est.lsmvert = 0x00000002;
+   context->desc.h264enc.motion_est.enc_disable_sub_mode = 0x00000078;
+   context->desc.h264enc.motion_est.enc_en_ime_overw_dis_subm = 0x00000001;
+   context->desc.h264enc.motion_est.enc_ime_overw_dis_subm_no = 0x00000001;
+   context->desc.h264enc.motion_est.enc_ime2_search_range_x = 0x00000004;
+   context->desc.h264enc.motion_est.enc_ime2_search_range_y = 0x00000004;
+
+   //pic control preset
+   context->desc.h264enc.pic_ctrl.enc_cabac_enable = 0x00000001;
+   context->desc.h264enc.pic_ctrl.enc_constraint_set_flags = 0x00000040;
+
+   //rate control
+   context->desc.h264enc.rate_ctrl.vbv_buffer_size = 20000000;
+   if (context->desc.h264enc.rate_ctrl.frame_rate_num == 0) {
+      context->desc.h264enc.rate_ctrl.frame_rate_num = 30;
+      context->desc.h264enc.rate_ctrl.frame_rate_den = 1;
+   }
+   context->desc.h264enc.rate_ctrl.vbv_buf_lv = 48;
+   context->desc.h264enc.rate_ctrl.fill_data_enable = 1;
+   context->desc.h264enc.rate_ctrl.enforce_hrd = 1;
+   context->desc.h264enc.enable_vui = false;
+   context->desc.h264enc.rate_ctrl.target_bits_picture =
+          context->desc.h264enc.rate_ctrl.target_bitrate / 
context->desc.h264enc.rate_ctrl.frame_rate_num;
+   context->desc.h264enc.rate_ctrl.peak_bits_picture_integer =
+          context->desc.h264enc.rate_ctrl.peak_bitrate / 
context->desc.h264enc.rate_ctrl.frame_rate_num;
+   context->desc.h264enc.rate_ctrl.peak_bits_picture_fraction = 0;
+
+   context->desc.h264enc.ref_pic_mode = 0x00000201;
+}
+
 static VAStatus
 handlePictureParameterBuffer(vlVaDriver *drv, vlVaContext *context, vlVaBuffer 
*buf)
 {
@@ -522,6 +557,7 @@ vlVaEndPicture(VADriverContextP ctx, VAContextID context_id)
 
    if (context->decoder->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
       coded_buf = context->coded_buf;
+      getEncParamPreset(context);
       context->decoder->begin_frame(context->decoder, context->target, 
&context->desc.base);
       context->decoder->encode_bitstream(context->decoder, context->target,
                                          coded_buf->derived_surface.resource, 
&feedback);
-- 
2.7.4

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