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

James Zhu jamesz at amd.com
Fri Feb 9 20:37:47 UTC 2018


Hi Mark,

thanks for point them out. [PATCH v3 3/8] / [PATCH v3 4/8] / [PATCH v3 
5/8] update according.

James.


On 2018-02-08 05:23 PM, Mark Thompson wrote:
> On 06/02/18 20:05, 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);
> Looks very suspicious?  I would expect that only IDR frames would be IDR.
>
>> +   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;
> This appears to be copied from H.264 - the H.265 values are not the same.
>
> Also, there are levels 6, 6.1 and 6.2.
>
>> +   }
>> +
>> +   return MIN2(dpb / (w * h), 16);
>> +}
>> +
>> ...



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