[Mesa-dev] [PATCH v2 5/8] radeon/uvd:add uvd hevc enc functions

Boyuan Zhang boyzhang at amd.com
Wed Feb 7 22:43:01 UTC 2018


Better to add it to Makefile.source and Meson in this patch. Other than 
this,

this patch is Reviewed-by: Boyuan Zhang <boyuan.zhang at amd.com>


On 2018-02-06 03:05 PM, James Zhu wrote:
> Implement UVD hevc encode functions
>
> Signed-off-by: James Zhu <James.Zhu at amd.com>
> ---
>   src/gallium/drivers/radeon/radeon_uvd_enc.c | 370 ++++++++++++++++++++++++++++
>   1 file changed, 370 insertions(+)
>   create mode 100644 src/gallium/drivers/radeon/radeon_uvd_enc.c
>
> diff --git a/src/gallium/drivers/radeon/radeon_uvd_enc.c b/src/gallium/drivers/radeon/radeon_uvd_enc.c
> new file mode 100644
> index 0000000..f162589
> --- /dev/null
> +++ b/src/gallium/drivers/radeon/radeon_uvd_enc.c
> @@ -0,0 +1,370 @@
> +/**************************************************************************
> + *
> + * Copyright 2018 Advanced Micro Devices, Inc.
> + * All Rights Reserved.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sub license, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the
> + * next paragraph) shall be included in all copies or substantial portions
> + * of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
> + * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> + *
> + **************************************************************************/
> +
> +#include <stdio.h>
> +
> +#include "pipe/p_video_codec.h"
> +
> +#include "util/u_video.h"
> +#include "util/u_memory.h"
> +
> +#include "vl/vl_video_buffer.h"
> +
> +#include "radeonsi/si_pipe.h"
> +#include "radeon_video.h"
> +#include "radeon_uvd_enc.h"
> +
> +static void
> +radeon_uvd_enc_get_param(struct radeon_uvd_encoder *enc,
> +                         struct pipe_h265_enc_picture_desc *pic)
> +{
> +   enc->enc_pic.picture_type = pic->picture_type;
> +   enc->enc_pic.frame_num = pic->frame_num;
> +   enc->enc_pic.pic_order_cnt = pic->pic_order_cnt;
> +   enc->enc_pic.pic_order_cnt_type = pic->pic_order_cnt_type;
> +   enc->enc_pic.ref_idx_l0 = pic->ref_idx_l0;
> +   enc->enc_pic.ref_idx_l1 = pic->ref_idx_l1;
> +   enc->enc_pic.not_referenced = pic->not_referenced;
> +   enc->enc_pic.is_idr = (pic->picture_type == PIPE_H265_ENC_PICTURE_TYPE_IDR)
> +      || (pic->picture_type == PIPE_H265_ENC_PICTURE_TYPE_I);
> +   enc->enc_pic.crop_left = 0;
> +   enc->enc_pic.crop_right =
> +      (align(enc->base.width, 16) - enc->base.width) / 2;
> +   enc->enc_pic.crop_top = 0;
> +   enc->enc_pic.crop_bottom =
> +      (align(enc->base.height, 16) - enc->base.height) / 2;
> +   enc->enc_pic.general_tier_flag = pic->seq.general_tier_flag;
> +   enc->enc_pic.general_profile_idc = pic->seq.general_profile_idc;
> +   enc->enc_pic.general_level_idc = pic->seq.general_level_idc;
> +   enc->enc_pic.max_poc = pic->seq.intra_period;
> +   enc->enc_pic.log2_max_poc = 0;
> +   for (int i = enc->enc_pic.max_poc; i != 0; enc->enc_pic.log2_max_poc++)
> +      i = (i >> 1);
> +   enc->enc_pic.chroma_format_idc = pic->seq.chroma_format_idc;
> +   enc->enc_pic.pic_width_in_luma_samples =
> +      pic->seq.pic_width_in_luma_samples;
> +   enc->enc_pic.pic_height_in_luma_samples =
> +      pic->seq.pic_height_in_luma_samples;
> +   enc->enc_pic.log2_diff_max_min_luma_coding_block_size =
> +      pic->seq.log2_diff_max_min_luma_coding_block_size;
> +   enc->enc_pic.log2_min_transform_block_size_minus2 =
> +      pic->seq.log2_min_transform_block_size_minus2;
> +   enc->enc_pic.log2_diff_max_min_transform_block_size =
> +      pic->seq.log2_diff_max_min_transform_block_size;
> +   enc->enc_pic.max_transform_hierarchy_depth_inter =
> +      pic->seq.max_transform_hierarchy_depth_inter;
> +   enc->enc_pic.max_transform_hierarchy_depth_intra =
> +      pic->seq.max_transform_hierarchy_depth_intra;
> +   enc->enc_pic.log2_parallel_merge_level_minus2 =
> +      pic->pic.log2_parallel_merge_level_minus2;
> +   enc->enc_pic.bit_depth_luma_minus8 = pic->seq.bit_depth_luma_minus8;
> +   enc->enc_pic.bit_depth_chroma_minus8 = pic->seq.bit_depth_chroma_minus8;
> +   enc->enc_pic.nal_unit_type = pic->pic.nal_unit_type;
> +   enc->enc_pic.max_num_merge_cand = pic->slice.max_num_merge_cand;
> +   enc->enc_pic.sample_adaptive_offset_enabled_flag =
> +      pic->seq.sample_adaptive_offset_enabled_flag;
> +   enc->enc_pic.pcm_enabled_flag = pic->seq.pcm_enabled_flag;
> +   enc->enc_pic.sps_temporal_mvp_enabled_flag =
> +      pic->seq.sps_temporal_mvp_enabled_flag;
> +}
> +
> +static void
> +flush(struct radeon_uvd_encoder *enc)
> +{
> +   enc->ws->cs_flush(enc->cs, PIPE_FLUSH_ASYNC, NULL);
> +}
> +
> +static void
> +radeon_uvd_enc_flush(struct pipe_video_codec *encoder)
> +{
> +   struct radeon_uvd_encoder *enc = (struct radeon_uvd_encoder *) encoder;
> +   flush(enc);
> +}
> +
> +static void
> +radeon_uvd_enc_cs_flush(void *ctx, unsigned flags,
> +                        struct pipe_fence_handle **fence)
> +{
> +   // just ignored
> +}
> +
> +static unsigned
> +get_cpb_num(struct radeon_uvd_encoder *enc)
> +{
> +   unsigned w = align(enc->base.width, 16) / 16;
> +   unsigned h = align(enc->base.height, 16) / 16;
> +   unsigned dpb;
> +
> +   switch (enc->base.level) {
> +   case 10:
> +      dpb = 396;
> +      break;
> +   case 11:
> +      dpb = 900;
> +      break;
> +   case 12:
> +   case 13:
> +   case 20:
> +      dpb = 2376;
> +      break;
> +   case 21:
> +      dpb = 4752;
> +      break;
> +   case 22:
> +   case 30:
> +      dpb = 8100;
> +      break;
> +   case 31:
> +      dpb = 18000;
> +      break;
> +   case 32:
> +      dpb = 20480;
> +      break;
> +   case 40:
> +   case 41:
> +      dpb = 32768;
> +      break;
> +   case 42:
> +      dpb = 34816;
> +      break;
> +   case 50:
> +      dpb = 110400;
> +      break;
> +   default:
> +   case 51:
> +   case 52:
> +      dpb = 184320;
> +      break;
> +   }
> +
> +   return MIN2(dpb / (w * h), 16);
> +}
> +
> +static void
> +radeon_uvd_enc_begin_frame(struct pipe_video_codec *encoder,
> +                           struct pipe_video_buffer *source,
> +                           struct pipe_picture_desc *picture)
> +{
> +   struct radeon_uvd_encoder *enc = (struct radeon_uvd_encoder *) encoder;
> +   struct vl_video_buffer *vid_buf = (struct vl_video_buffer *) source;
> +
> +   radeon_uvd_enc_get_param(enc,
> +                            (struct pipe_h265_enc_picture_desc *) picture);
> +
> +   enc->get_buffer(vid_buf->resources[0], &enc->handle, &enc->luma);
> +   enc->get_buffer(vid_buf->resources[1], NULL, &enc->chroma);
> +
> +   enc->need_feedback = false;
> +
> +   if (!enc->stream_handle) {
> +      struct rvid_buffer fb;
> +      enc->stream_handle = si_vid_alloc_stream_handle();
> +      enc->si = CALLOC_STRUCT(rvid_buffer);
> +      si_vid_create_buffer(enc->screen, enc->si, 128 * 1024,
> +                           PIPE_USAGE_STAGING);
> +      si_vid_create_buffer(enc->screen, &fb, 4096, PIPE_USAGE_STAGING);
> +      enc->fb = &fb;
> +      enc->begin(enc, picture);
> +      flush(enc);
> +      si_vid_destroy_buffer(&fb);
> +   }
> +}
> +
> +static void
> +radeon_uvd_enc_encode_bitstream(struct pipe_video_codec *encoder,
> +                                struct pipe_video_buffer *source,
> +                                struct pipe_resource *destination, void **fb)
> +{
> +   struct radeon_uvd_encoder *enc = (struct radeon_uvd_encoder *) encoder;
> +   enc->get_buffer(destination, &enc->bs_handle, NULL);
> +   enc->bs_size = destination->width0;
> +
> +   *fb = enc->fb = CALLOC_STRUCT(rvid_buffer);
> +
> +   if (!si_vid_create_buffer(enc->screen, enc->fb, 4096, PIPE_USAGE_STAGING)) {
> +      RVID_ERR("Can't create feedback buffer.\n");
> +      return;
> +   }
> +
> +   enc->need_feedback = true;
> +   enc->encode(enc);
> +}
> +
> +static void
> +radeon_uvd_enc_end_frame(struct pipe_video_codec *encoder,
> +                         struct pipe_video_buffer *source,
> +                         struct pipe_picture_desc *picture)
> +{
> +   struct radeon_uvd_encoder *enc = (struct radeon_uvd_encoder *) encoder;
> +   flush(enc);
> +}
> +
> +static void
> +radeon_uvd_enc_destroy(struct pipe_video_codec *encoder)
> +{
> +   struct radeon_uvd_encoder *enc = (struct radeon_uvd_encoder *) encoder;
> +
> +   if (enc->stream_handle) {
> +      struct rvid_buffer fb;
> +      enc->need_feedback = false;
> +      si_vid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING);
> +      enc->fb = &fb;
> +      enc->destroy(enc);
> +      flush(enc);
> +      si_vid_destroy_buffer(&fb);
> +   }
> +
> +   si_vid_destroy_buffer(&enc->cpb);
> +   enc->ws->cs_destroy(enc->cs);
> +   FREE(enc);
> +}
> +
> +static void
> +radeon_uvd_enc_get_feedback(struct pipe_video_codec *encoder,
> +                            void *feedback, unsigned *size)
> +{
> +   struct radeon_uvd_encoder *enc = (struct radeon_uvd_encoder *) encoder;
> +   struct rvid_buffer *fb = feedback;
> +
> +   if (NULL != size) {
> +      radeon_uvd_enc_feedback_t *fb_data =
> +         (radeon_uvd_enc_feedback_t *) enc->ws->buffer_map(fb->res->buf,
> +                                                           enc->cs,
> +                                                           PIPE_TRANSFER_READ_WRITE);
> +
> +      if (!fb_data->status)
> +         *size = fb_data->bitstream_size;
> +      else
> +         *size = 0;
> +      enc->ws->buffer_unmap(fb->res->buf);
> +   }
> +
> +   si_vid_destroy_buffer(fb);
> +   FREE(fb);
> +}
> +
> +struct pipe_video_codec *
> +radeon_uvd_create_encoder(struct pipe_context *context,
> +                          const struct pipe_video_codec *templ,
> +                          struct radeon_winsys *ws,
> +                          radeon_uvd_enc_get_buffer get_buffer)
> +{
> +   struct si_screen *sscreen = (struct si_screen *) context->screen;
> +   struct r600_common_context *rctx = (struct r600_common_context *) context;
> +   struct radeon_uvd_encoder *enc;
> +   struct pipe_video_buffer *tmp_buf, templat = { };
> +   struct radeon_surf *tmp_surf;
> +   unsigned cpb_size;
> +
> +   if (!si_radeon_uvd_enc_supported(sscreen)) {
> +      RVID_ERR("Unsupported UVD ENC fw version loaded!\n");
> +      return NULL;
> +   }
> +
> +   enc = CALLOC_STRUCT(radeon_uvd_encoder);
> +
> +   if (!enc)
> +      return NULL;
> +
> +   enc->base = *templ;
> +   enc->base.context = context;
> +   enc->base.destroy = radeon_uvd_enc_destroy;
> +   enc->base.begin_frame = radeon_uvd_enc_begin_frame;
> +   enc->base.encode_bitstream = radeon_uvd_enc_encode_bitstream;
> +   enc->base.end_frame = radeon_uvd_enc_end_frame;
> +   enc->base.flush = radeon_uvd_enc_flush;
> +   enc->base.get_feedback = radeon_uvd_enc_get_feedback;
> +   enc->get_buffer = get_buffer;
> +   enc->bits_in_shifter = 0;
> +   enc->screen = context->screen;
> +   enc->ws = ws;
> +   enc->cs =
> +      ws->cs_create(rctx->ctx, RING_UVD_ENC, radeon_uvd_enc_cs_flush, enc);
> +
> +   if (!enc->cs) {
> +      RVID_ERR("Can't get command submission context.\n");
> +      goto error;
> +   }
> +
> +   struct rvid_buffer si;
> +   si_vid_create_buffer(enc->screen, &si, 128 * 1024, PIPE_USAGE_STAGING);
> +   enc->si = &si;
> +
> +   templat.buffer_format = PIPE_FORMAT_NV12;
> +   templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
> +   templat.width = enc->base.width;
> +   templat.height = enc->base.height;
> +   templat.interlaced = false;
> +
> +   if (!(tmp_buf = context->create_video_buffer(context, &templat))) {
> +      RVID_ERR("Can't create video buffer.\n");
> +      goto error;
> +   }
> +
> +   enc->cpb_num = get_cpb_num(enc);
> +
> +   if (!enc->cpb_num)
> +      goto error;
> +
> +   get_buffer(((struct vl_video_buffer *) tmp_buf)->resources[0], NULL,
> +              &tmp_surf);
> +
> +   cpb_size = (sscreen->info.chip_class < GFX9) ?
> +      align(tmp_surf->u.legacy.level[0].nblk_x * tmp_surf->bpe, 128) *
> +      align(tmp_surf->u.legacy.level[0].nblk_y, 32) :
> +      align(tmp_surf->u.gfx9.surf_pitch * tmp_surf->bpe, 256) *
> +      align(tmp_surf->u.gfx9.surf_height, 32);
> +
> +   cpb_size = cpb_size * 3 / 2;
> +   cpb_size = cpb_size * enc->cpb_num;
> +   tmp_buf->destroy(tmp_buf);
> +
> +   if (!si_vid_create_buffer
> +       (enc->screen, &enc->cpb, cpb_size, PIPE_USAGE_DEFAULT)) {
> +      RVID_ERR("Can't create CPB buffer.\n");
> +      goto error;
> +   }
> +
> +   radeon_uvd_enc_1_1_init(enc);
> +
> +   return &enc->base;
> +
> + error:
> +   if (enc->cs)
> +      enc->ws->cs_destroy(enc->cs);
> +
> +   si_vid_destroy_buffer(&enc->cpb);
> +
> +   FREE(enc);
> +   return NULL;
> +}
> +
> +bool
> +si_radeon_uvd_enc_supported(struct si_screen * sscreen)
> +{
> +   return (sscreen->info.uvd_enc_supported);
> +}

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