if (picture_type == GEN6_VC1_I_PICTURE || picture_type == GEN6_VC1_BI_PICTURE) /* I picture */
trans_ac_y = pic_param->transform_fields.bits.transform_ac_codingset_idx2;
- else
+ else {
trans_ac_y = pic_param->transform_fields.bits.transform_ac_codingset_idx1;
-
+ /*
+ * 8.3.6.2.1 Transform Type Selection
+ * If variable-sized transform coding is not enabled,
+ * then the 8x8 transform shall be used for all blocks.
+ * it is also MFX_VC1_PIC_STATE requirement.
+ */
+ if (pic_param->transform_fields.bits.variable_sized_transform_flag == 0) {
+ pic_param->transform_fields.bits.mb_level_transform_type_flag = 1;
+ pic_param->transform_fields.bits.frame_level_transform_type = 0;
+ }
+ }
if (picture_type == GEN6_VC1_B_PICTURE) {
struct gen6_vc1_surface *gen6_vc1_surface = NULL;
if (picture_type == GEN7_VC1_I_PICTURE || picture_type == GEN7_VC1_BI_PICTURE) /* I picture */
trans_ac_y = pic_param->transform_fields.bits.transform_ac_codingset_idx2;
- else
+ else {
trans_ac_y = pic_param->transform_fields.bits.transform_ac_codingset_idx1;
+ /*
+ * 8.3.6.2.1 Transform Type Selection
+ * If variable-sized transform coding is not enabled,
+ * then the 8x8 transform shall be used for all blocks.
+ * it is also MFX_VC1_PIC_STATE requirement.
+ */
+ if (pic_param->transform_fields.bits.variable_sized_transform_flag == 0) {
+ pic_param->transform_fields.bits.mb_level_transform_type_flag = 1;
+ pic_param->transform_fields.bits.frame_level_transform_type = 0;
+ }
+ }
if (picture_type == GEN7_VC1_B_PICTURE) {