/**************************************************************************
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*
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* Copyright 2017 Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include <stdio.h>
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#include "pipe/p_video_codec.h"
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#include "util/u_video.h"
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#include "util/u_memory.h"
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#include "vl/vl_video_buffer.h"
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#include "radeonsi/si_pipe.h"
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#include "radeon_video.h"
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#include "radeon_vcn_enc.h"
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static void radeon_vcn_enc_get_param(struct radeon_encoder *enc, struct pipe_h264_enc_picture_desc *pic)
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{
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enc->enc_pic.picture_type = pic->picture_type;
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enc->enc_pic.frame_num = pic->frame_num;
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enc->enc_pic.pic_order_cnt = pic->pic_order_cnt;
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enc->enc_pic.pic_order_cnt_type = pic->pic_order_cnt_type;
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enc->enc_pic.ref_idx_l0 = pic->ref_idx_l0;
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enc->enc_pic.ref_idx_l1 = pic->ref_idx_l1;
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enc->enc_pic.not_referenced = pic->not_referenced;
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enc->enc_pic.is_idr = (pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_IDR);
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enc->enc_pic.crop_left = 0;
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enc->enc_pic.crop_right = (align(enc->base.width, 16) - enc->base.width) / 2;
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enc->enc_pic.crop_top = 0;
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enc->enc_pic.crop_bottom = (align(enc->base.height, 16) - enc->base.height) / 2;
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}
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static void flush(struct radeon_encoder *enc)
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{
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enc->ws->cs_flush(enc->cs, PIPE_FLUSH_ASYNC, NULL);
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}
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static void radeon_enc_flush(struct pipe_video_codec *encoder)
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{
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struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
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flush(enc);
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}
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static void radeon_enc_cs_flush(void *ctx, unsigned flags,
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struct pipe_fence_handle **fence)
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{
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// just ignored
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}
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static unsigned get_cpb_num(struct radeon_encoder *enc)
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{
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unsigned w = align(enc->base.width, 16) / 16;
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unsigned h = align(enc->base.height, 16) / 16;
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unsigned dpb;
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switch (enc->base.level) {
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case 10:
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dpb = 396;
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break;
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case 11:
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dpb = 900;
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break;
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case 12:
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case 13:
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case 20:
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dpb = 2376;
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break;
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case 21:
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dpb = 4752;
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break;
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case 22:
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case 30:
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dpb = 8100;
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break;
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case 31:
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dpb = 18000;
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break;
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case 32:
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dpb = 20480;
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break;
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case 40:
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case 41:
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dpb = 32768;
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break;
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case 42:
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dpb = 34816;
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break;
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case 50:
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dpb = 110400;
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break;
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default:
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case 51:
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case 52:
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dpb = 184320;
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break;
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}
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return MIN2(dpb / (w * h), 16);
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}
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static void radeon_enc_begin_frame(struct pipe_video_codec *encoder,
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struct pipe_video_buffer *source,
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struct pipe_picture_desc *picture)
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{
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struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
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struct vl_video_buffer *vid_buf = (struct vl_video_buffer *)source;
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struct pipe_h264_enc_picture_desc *pic = (struct pipe_h264_enc_picture_desc *)picture;
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radeon_vcn_enc_get_param(enc, pic);
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enc->get_buffer(vid_buf->resources[0], &enc->handle, &enc->luma);
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enc->get_buffer(vid_buf->resources[1], NULL, &enc->chroma);
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enc->need_feedback = false;
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if (!enc->stream_handle) {
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struct rvid_buffer fb;
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enc->stream_handle = si_vid_alloc_stream_handle();
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enc->si = CALLOC_STRUCT(rvid_buffer);
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si_vid_create_buffer(enc->screen, enc->si, 128 * 1024, PIPE_USAGE_STAGING);
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si_vid_create_buffer(enc->screen, &fb, 4096, PIPE_USAGE_STAGING);
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enc->fb = &fb;
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enc->begin(enc, pic);
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flush(enc);
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si_vid_destroy_buffer(&fb);
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}
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}
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static void radeon_enc_encode_bitstream(struct pipe_video_codec *encoder,
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struct pipe_video_buffer *source,
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struct pipe_resource *destination,
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void **fb)
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{
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struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
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enc->get_buffer(destination, &enc->bs_handle, NULL);
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enc->bs_size = destination->width0;
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*fb = enc->fb = CALLOC_STRUCT(rvid_buffer);
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if (!si_vid_create_buffer(enc->screen, enc->fb, 4096, PIPE_USAGE_STAGING)) {
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RVID_ERR("Can't create feedback buffer.\n");
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return;
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}
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enc->need_feedback = true;
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enc->encode(enc);
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}
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static void radeon_enc_end_frame(struct pipe_video_codec *encoder,
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struct pipe_video_buffer *source,
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struct pipe_picture_desc *picture)
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{
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struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
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flush(enc);
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}
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static void radeon_enc_destroy(struct pipe_video_codec *encoder)
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{
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struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
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if (enc->stream_handle) {
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struct rvid_buffer fb;
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enc->need_feedback = false;
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si_vid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING);
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enc->fb = &fb;
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enc->destroy(enc);
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flush(enc);
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si_vid_destroy_buffer(&fb);
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}
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si_vid_destroy_buffer(&enc->cpb);
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enc->ws->cs_destroy(enc->cs);
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FREE(enc);
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}
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static void radeon_enc_get_feedback(struct pipe_video_codec *encoder,
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void *feedback, unsigned *size)
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{
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struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
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struct rvid_buffer *fb = feedback;
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if (size) {
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uint32_t *ptr = enc->ws->buffer_map(fb->res->buf, enc->cs, PIPE_TRANSFER_READ_WRITE);
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if (ptr[1])
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*size = ptr[6];
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else
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*size = 0;
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enc->ws->buffer_unmap(fb->res->buf);
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}
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si_vid_destroy_buffer(fb);
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FREE(fb);
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}
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struct pipe_video_codec *radeon_create_encoder(struct pipe_context *context,
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const struct pipe_video_codec *templ,
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struct radeon_winsys* ws,
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radeon_enc_get_buffer get_buffer)
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{
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struct si_screen *sscreen = (struct si_screen *)context->screen;
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struct r600_common_context *rctx = (struct r600_common_context*)context;
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struct radeon_encoder *enc;
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struct pipe_video_buffer *tmp_buf, templat = {};
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struct radeon_surf *tmp_surf;
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unsigned cpb_size;
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enc = CALLOC_STRUCT(radeon_encoder);
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if (!enc)
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return NULL;
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enc->alignment = 256;
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enc->base = *templ;
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enc->base.context = context;
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enc->base.destroy = radeon_enc_destroy;
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enc->base.begin_frame = radeon_enc_begin_frame;
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enc->base.encode_bitstream = radeon_enc_encode_bitstream;
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enc->base.end_frame = radeon_enc_end_frame;
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enc->base.flush = radeon_enc_flush;
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enc->base.get_feedback = radeon_enc_get_feedback;
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enc->get_buffer = get_buffer;
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enc->bits_in_shifter = 0;
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enc->screen = context->screen;
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enc->ws = ws;
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enc->cs = ws->cs_create(rctx->ctx, RING_VCN_ENC, radeon_enc_cs_flush, enc);
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if (!enc->cs) {
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RVID_ERR("Can't get command submission context.\n");
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goto error;
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}
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struct rvid_buffer si;
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si_vid_create_buffer(enc->screen, &si, 128 * 1024, PIPE_USAGE_STAGING);
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enc->si = &si;
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templat.buffer_format = PIPE_FORMAT_NV12;
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templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
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templat.width = enc->base.width;
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templat.height = enc->base.height;
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templat.interlaced = false;
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if (!(tmp_buf = context->create_video_buffer(context, &templat))) {
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RVID_ERR("Can't create video buffer.\n");
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goto error;
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}
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enc->cpb_num = get_cpb_num(enc);
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if (!enc->cpb_num)
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goto error;
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get_buffer(((struct vl_video_buffer *)tmp_buf)->resources[0], NULL, &tmp_surf);
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cpb_size = (sscreen->info.chip_class < GFX9) ?
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align(tmp_surf->u.legacy.level[0].nblk_x * tmp_surf->bpe, 128) *
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align(tmp_surf->u.legacy.level[0].nblk_y, 32) :
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align(tmp_surf->u.gfx9.surf_pitch * tmp_surf->bpe, 256) *
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align(tmp_surf->u.gfx9.surf_height, 32);
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cpb_size = cpb_size * 3 / 2;
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cpb_size = cpb_size * enc->cpb_num;
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tmp_buf->destroy(tmp_buf);
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if (!si_vid_create_buffer(enc->screen, &enc->cpb, cpb_size, PIPE_USAGE_DEFAULT)) {
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RVID_ERR("Can't create CPB buffer.\n");
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goto error;
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}
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radeon_enc_1_2_init(enc);
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return &enc->base;
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error:
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if (enc->cs)
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enc->ws->cs_destroy(enc->cs);
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si_vid_destroy_buffer(&enc->cpb);
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FREE(enc);
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return NULL;
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}
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