summaryrefslogtreecommitdiff
path: root/src/i965_decoder_utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/i965_decoder_utils.c')
-rw-r--r--src/i965_decoder_utils.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/i965_decoder_utils.c b/src/i965_decoder_utils.c
index 7ea39dd..8b546db 100644
--- a/src/i965_decoder_utils.c
+++ b/src/i965_decoder_utils.c
@@ -487,6 +487,81 @@ gen6_send_avc_ref_idx_state(
);
}
+static void
+gen6_mfd_avc_phantom_slice_state(VADriverContextP ctx,
+ VAPictureParameterBufferH264 *pic_param,
+ VASliceParameterBufferH264 *next_slice_param,
+ struct intel_batchbuffer *batch)
+{
+ int width_in_mbs = pic_param->picture_width_in_mbs_minus1 + 1;
+ int height_in_mbs = pic_param->picture_height_in_mbs_minus1 + 1; /* frame height */
+ int slice_hor_pos, slice_ver_pos, slice_start_mb_num, next_slice_hor_pos, next_slice_ver_pos;
+ int mbaff_picture = (!pic_param->pic_fields.bits.field_pic_flag &&
+ pic_param->seq_fields.bits.mb_adaptive_frame_field_flag);
+
+ if (next_slice_param) {
+ int first_mb_in_next_slice;
+
+ slice_hor_pos = 0;
+ slice_ver_pos = 0;
+ slice_start_mb_num = 0;
+ first_mb_in_next_slice = next_slice_param->first_mb_in_slice << mbaff_picture;
+ next_slice_hor_pos = first_mb_in_next_slice % width_in_mbs;
+ next_slice_ver_pos = first_mb_in_next_slice / width_in_mbs;
+ } else {
+ slice_hor_pos = 0;
+ slice_ver_pos = height_in_mbs;
+ slice_start_mb_num = width_in_mbs * height_in_mbs / (1 + !!pic_param->pic_fields.bits.field_pic_flag);
+ next_slice_hor_pos = 0;
+ next_slice_ver_pos = 0;
+ }
+
+ BEGIN_BCS_BATCH(batch, 11);
+ OUT_BCS_BATCH(batch, MFX_AVC_SLICE_STATE | (11 - 2));
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch,
+ slice_ver_pos << 24 |
+ slice_hor_pos << 16 |
+ slice_start_mb_num << 0);
+ OUT_BCS_BATCH(batch,
+ next_slice_ver_pos << 16 |
+ next_slice_hor_pos << 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ ADVANCE_BCS_BATCH(batch);
+}
+
+static void
+gen6_mfd_avc_phantom_slice_bsd_object(VADriverContextP ctx,
+ VAPictureParameterBufferH264 *pic_param,
+ struct intel_batchbuffer *batch)
+{
+
+ BEGIN_BCS_BATCH(batch, 6);
+ OUT_BCS_BATCH(batch, MFD_AVC_BSD_OBJECT | (6 - 2));
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ OUT_BCS_BATCH(batch, 0);
+ ADVANCE_BCS_BATCH(batch);
+}
+
+void
+gen6_mfd_avc_phantom_slice(VADriverContextP ctx,
+ VAPictureParameterBufferH264 *pic_param,
+ VASliceParameterBufferH264 *next_slice_param,
+ struct intel_batchbuffer *batch)
+{
+ gen6_mfd_avc_phantom_slice_state(ctx, pic_param, next_slice_param, batch);
+ gen6_mfd_avc_phantom_slice_bsd_object(ctx, pic_param, batch);
+}
+
/* Comparison function for sorting out the array of free frame store entries */
static int
compare_avc_ref_store_func(const void *p1, const void *p2)