[Mesa-dev] [PATCH 11/12] st/va: implement HEVC encode functions

boyuan.zhang at amd.com boyuan.zhang at amd.com
Fri Feb 2 16:10:47 UTC 2018


From: Boyuan Zhang <boyuan.zhang at amd.com>

Implement HEVC encode functions based on VAAPI HEVC encode interface.

Signed-off-by: Boyuan Zhang <boyuan.zhang at amd.com>
Acked-by: Christian K├Ânig <christian.koenig at amd.com>
---
 src/gallium/state_trackers/va/picture_hevc_enc.c | 150 ++++++++++++++++++++++-
 1 file changed, 144 insertions(+), 6 deletions(-)

diff --git a/src/gallium/state_trackers/va/picture_hevc_enc.c b/src/gallium/state_trackers/va/picture_hevc_enc.c
index 4b56207..8906901 100644
--- a/src/gallium/state_trackers/va/picture_hevc_enc.c
+++ b/src/gallium/state_trackers/va/picture_hevc_enc.c
@@ -32,7 +32,50 @@
 VAStatus
 vlVaHandleVAEncPictureParameterBufferTypeHEVC(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
 {
-   /* TODO */
+   VAEncPictureParameterBufferHEVC *h265;
+   vlVaBuffer *coded_buf;
+   int i;
+
+   h265 = buf->data;
+   context->desc.h265enc.decoded_curr_pic = h265->decoded_curr_pic.picture_id;
+
+   for (i = 0; i < 15; i++)
+      context->desc.h265enc.reference_frames[i] = h265->reference_frames[i].picture_id;
+
+   context->desc.h265enc.pic_order_cnt = h265->decoded_curr_pic.pic_order_cnt;
+   coded_buf = handle_table_get(drv->htab, h265->coded_buf);
+
+   if (!coded_buf->derived_surface.resource)
+      coded_buf->derived_surface.resource = pipe_buffer_create(drv->pipe->screen, PIPE_BIND_VERTEX_BUFFER,
+                                            PIPE_USAGE_STREAM, coded_buf->size);
+
+   context->coded_buf = coded_buf;
+   context->desc.h265enc.pic.log2_parallel_merge_level_minus2 = h265->log2_parallel_merge_level_minus2;
+   context->desc.h265enc.pic.nal_unit_type = h265->nal_unit_type;
+   context->desc.h265enc.rc.quant_i_frames = h265->pic_init_qp;
+
+   switch(h265->pic_fields.bits.coding_type) {
+   case 1:
+      if (h265->pic_fields.bits.idr_pic_flag)
+         context->desc.h265enc.picture_type = PIPE_H265_ENC_PICTURE_TYPE_IDR;
+      else
+         context->desc.h265enc.picture_type = PIPE_H265_ENC_PICTURE_TYPE_I;
+      break;
+   case 2:
+      context->desc.h265enc.picture_type = PIPE_H265_ENC_PICTURE_TYPE_P;
+      break;
+   case 3:
+   case 4:
+   case 5:
+      return VA_STATUS_ERROR_UNIMPLEMENTED; //no b frame support
+      break;
+   }
+
+   context->desc.h265enc.pic.constrained_intra_pred_flag = h265->pic_fields.bits.constrained_intra_pred_flag;
+
+   util_hash_table_set(context->desc.h265enc.frame_idx,
+                       UINT_TO_PTR(h265->decoded_curr_pic.picture_id),
+                       UINT_TO_PTR(context->desc.h265enc.frame_num));
 
    return VA_STATUS_SUCCESS;
 }
@@ -40,7 +83,33 @@ vlVaHandleVAEncPictureParameterBufferTypeHEVC(vlVaDriver *drv, vlVaContext *cont
 VAStatus
 vlVaHandleVAEncSliceParameterBufferTypeHEVC(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
 {
-   /* TODO */
+   VAEncSliceParameterBufferHEVC *h265;
+
+   h265 = buf->data;
+   context->desc.h265enc.ref_idx_l0 = VA_INVALID_ID;
+   context->desc.h265enc.ref_idx_l1 = VA_INVALID_ID;
+
+   for (int i = 0; i < 15; i++) {
+      if (h265->ref_pic_list0[i].picture_id != VA_INVALID_ID) {
+         if (context->desc.h265enc.ref_idx_l0 == VA_INVALID_ID)
+            context->desc.h265enc.ref_idx_l0 = PTR_TO_UINT(util_hash_table_get(context->desc.h265enc.frame_idx,
+                                               UINT_TO_PTR(h265->ref_pic_list0[i].picture_id)));
+      }
+      if (h265->ref_pic_list1[i].picture_id != VA_INVALID_ID && h265->slice_type == 1) {
+         if (context->desc.h265enc.ref_idx_l1 == VA_INVALID_ID)
+            context->desc.h265enc.ref_idx_l1 = PTR_TO_UINT(util_hash_table_get(context->desc.h265enc.frame_idx,
+                                               UINT_TO_PTR(h265->ref_pic_list1[i].picture_id)));
+      }
+   }
+
+   context->desc.h265enc.slice.max_num_merge_cand = h265->max_num_merge_cand;
+   context->desc.h265enc.slice.slice_cb_qp_offset = h265->slice_cb_qp_offset;
+   context->desc.h265enc.slice.slice_cr_qp_offset = h265->slice_cr_qp_offset;
+   context->desc.h265enc.slice.slice_beta_offset_div2 = h265->slice_beta_offset_div2;
+   context->desc.h265enc.slice.slice_tc_offset_div2 = h265->slice_tc_offset_div2;
+   context->desc.h265enc.slice.cabac_init_flag = h265->slice_fields.bits.cabac_init_flag;
+   context->desc.h265enc.slice.slice_deblocking_filter_disabled_flag = h265->slice_fields.bits.slice_deblocking_filter_disabled_flag;
+   context->desc.h265enc.slice.slice_loop_filter_across_slices_enabled_flag = h265->slice_fields.bits.slice_loop_filter_across_slices_enabled_flag;
 
    return VA_STATUS_SUCCESS;
 }
@@ -48,7 +117,38 @@ vlVaHandleVAEncSliceParameterBufferTypeHEVC(vlVaDriver *drv, vlVaContext *contex
 VAStatus
 vlVaHandleVAEncSequenceParameterBufferTypeHEVC(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
 {
-   /* TODO */
+   VAEncSequenceParameterBufferHEVC *h265 = (VAEncSequenceParameterBufferHEVC *)buf->data;
+
+   if (!context->decoder) {
+      context->templat.level = h265->general_level_idc;
+      context->decoder = drv->pipe->create_video_codec(drv->pipe, &context->templat);
+
+      if (!context->decoder)
+         return VA_STATUS_ERROR_ALLOCATION_FAILED;
+   }
+
+   context->desc.h265enc.seq.general_profile_idc = h265->general_profile_idc;
+   context->desc.h265enc.seq.general_level_idc = h265->general_level_idc;
+   context->desc.h265enc.seq.general_tier_flag = h265->general_tier_flag;
+   context->desc.h265enc.seq.intra_period = h265->intra_period;
+   context->desc.h265enc.seq.pic_width_in_luma_samples = h265->pic_width_in_luma_samples;
+   context->desc.h265enc.seq.pic_height_in_luma_samples = h265->pic_height_in_luma_samples;
+   context->desc.h265enc.seq.chroma_format_idc = h265->seq_fields.bits.chroma_format_idc;
+   context->desc.h265enc.seq.bit_depth_luma_minus8 = h265->seq_fields.bits.bit_depth_luma_minus8;
+   context->desc.h265enc.seq.bit_depth_chroma_minus8 = h265->seq_fields.bits.bit_depth_chroma_minus8;
+   context->desc.h265enc.seq.strong_intra_smoothing_enabled_flag = h265->seq_fields.bits.strong_intra_smoothing_enabled_flag;
+   context->desc.h265enc.seq.amp_enabled_flag = h265->seq_fields.bits.amp_enabled_flag;
+   context->desc.h265enc.seq.sample_adaptive_offset_enabled_flag = h265->seq_fields.bits.sample_adaptive_offset_enabled_flag;
+   context->desc.h265enc.seq.pcm_enabled_flag = h265->seq_fields.bits.pcm_enabled_flag;
+   context->desc.h265enc.seq.sps_temporal_mvp_enabled_flag = h265->seq_fields.bits.sps_temporal_mvp_enabled_flag;
+   context->desc.h265enc.seq.log2_min_luma_coding_block_size_minus3 = h265->log2_min_luma_coding_block_size_minus3;
+   context->desc.h265enc.seq.log2_diff_max_min_luma_coding_block_size = h265->log2_diff_max_min_luma_coding_block_size;
+   context->desc.h265enc.seq.log2_min_transform_block_size_minus2 = h265->log2_min_transform_block_size_minus2;
+   context->desc.h265enc.seq.log2_diff_max_min_transform_block_size = h265->log2_diff_max_min_transform_block_size;
+   context->desc.h265enc.seq.max_transform_hierarchy_depth_inter = h265->max_transform_hierarchy_depth_inter;
+   context->desc.h265enc.seq.max_transform_hierarchy_depth_intra = h265->max_transform_hierarchy_depth_intra;
+   context->desc.h265enc.rc.frame_rate_num = h265->vui_time_scale;
+   context->desc.h265enc.rc.frame_rate_den = h265->vui_num_units_in_tick;
 
    return VA_STATUS_SUCCESS;
 }
@@ -56,7 +156,18 @@ vlVaHandleVAEncSequenceParameterBufferTypeHEVC(vlVaDriver *drv, vlVaContext *con
 VAStatus
 vlVaHandleVAEncMiscParameterTypeRateControlHEVC(vlVaContext *context, VAEncMiscParameterBuffer *misc)
 {
-   /* TODO */
+   VAEncMiscParameterRateControl *rc = (VAEncMiscParameterRateControl *)misc->data;
+
+   if (context->desc.h265enc.rc.rate_ctrl_method ==
+         PIPE_H265_ENC_RATE_CONTROL_METHOD_CONSTANT)
+      context->desc.h265enc.rc.target_bitrate = rc->bits_per_second;
+   else
+      context->desc.h265enc.rc.target_bitrate = rc->bits_per_second * (rc->target_percentage / 100.0);
+   context->desc.h265enc.rc.peak_bitrate = rc->bits_per_second;
+   if (context->desc.h265enc.rc.target_bitrate < 2000000)
+      context->desc.h265enc.rc.vbv_buffer_size = MIN2((context->desc.h265enc.rc.target_bitrate * 2.75), 2000000);
+   else
+      context->desc.h265enc.rc.vbv_buffer_size = context->desc.h265enc.rc.target_bitrate;
 
    return VA_STATUS_SUCCESS;
 }
@@ -64,12 +175,39 @@ vlVaHandleVAEncMiscParameterTypeRateControlHEVC(vlVaContext *context, VAEncMiscP
 VAStatus
 vlVaHandleVAEncMiscParameterTypeFrameRateHEVC(vlVaContext *context, VAEncMiscParameterBuffer *misc)
 {
-   /* TODO */
+   VAEncMiscParameterFrameRate *fr = (VAEncMiscParameterFrameRate *)misc->data;
+
+   if (fr->framerate & 0xffff0000) {
+      context->desc.h265enc.rc.frame_rate_num = fr->framerate       & 0xffff;
+      context->desc.h265enc.rc.frame_rate_den = fr->framerate >> 16 & 0xffff;
+   } else {
+      context->desc.h265enc.rc.frame_rate_num = fr->framerate;
+      context->desc.h265enc.rc.frame_rate_den = 1;
+   }
 
    return VA_STATUS_SUCCESS;
 }
 
 void getEncParamPresetH265(vlVaContext *context)
 {
-	/* TODO */
+   //rate control
+   context->desc.h265enc.rc.vbv_buffer_size = 20000000;
+   context->desc.h265enc.rc.vbv_buf_lv = 48;
+   context->desc.h265enc.rc.fill_data_enable = 1;
+   context->desc.h265enc.rc.enforce_hrd = 1;
+   if (context->desc.h265enc.rc.frame_rate_num == 0 ||
+       context->desc.h265enc.rc.frame_rate_den == 0) {
+      context->desc.h265enc.rc.frame_rate_num = 30;
+      context->desc.h265enc.rc.frame_rate_den = 1;
+   }
+   context->desc.h265enc.rc.target_bits_picture =
+      context->desc.h265enc.rc.target_bitrate *
+      ((float)context->desc.h265enc.rc.frame_rate_den /
+      context->desc.h265enc.rc.frame_rate_num);
+   context->desc.h265enc.rc.peak_bits_picture_integer =
+      context->desc.h265enc.rc.peak_bitrate *
+      ((float)context->desc.h265enc.rc.frame_rate_den /
+      context->desc.h265enc.rc.frame_rate_num);
+
+   context->desc.h265enc.rc.peak_bits_picture_fraction = 0;
 }
-- 
2.7.4



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