diff options
Diffstat (limited to 'src/i965_decoder_utils.c')
| -rw-r--r-- | src/i965_decoder_utils.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/i965_decoder_utils.c b/src/i965_decoder_utils.c index 7ea39ddd..8b546db9 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) |