/**************************************************************************
*
* Copyright 2017 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_vcn_enc.h"
static void radeon_vcn_enc_get_param(struct radeon_encoder *enc, struct pipe_h264_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_H264_ENC_PICTURE_TYPE_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;
}
static void flush(struct radeon_encoder *enc)
{
enc->ws->cs_flush(enc->cs, PIPE_FLUSH_ASYNC, NULL);
}
static void radeon_enc_flush(struct pipe_video_codec *encoder)
{
struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
flush(enc);
}
static void radeon_enc_cs_flush(void *ctx, unsigned flags,
struct pipe_fence_handle **fence)
{
// just ignored
}
static unsigned get_cpb_num(struct radeon_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_enc_begin_frame(struct pipe_video_codec *encoder,
struct pipe_video_buffer *source,
struct pipe_picture_desc *picture)
{
struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
struct vl_video_buffer *vid_buf = (struct vl_video_buffer *)source;
struct pipe_h264_enc_picture_desc *pic = (struct pipe_h264_enc_picture_desc *)picture;
radeon_vcn_enc_get_param(enc, pic);
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, pic);
flush(enc);
si_vid_destroy_buffer(&fb);
}
}
static void radeon_enc_encode_bitstream(struct pipe_video_codec *encoder,
struct pipe_video_buffer *source,
struct pipe_resource *destination,
void **fb)
{
struct radeon_encoder *enc = (struct radeon_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_enc_end_frame(struct pipe_video_codec *encoder,
struct pipe_video_buffer *source,
struct pipe_picture_desc *picture)
{
struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
flush(enc);
}
static void radeon_enc_destroy(struct pipe_video_codec *encoder)
{
struct radeon_encoder *enc = (struct radeon_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_enc_get_feedback(struct pipe_video_codec *encoder,
void *feedback, unsigned *size)
{
struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
struct rvid_buffer *fb = feedback;
if (size) {
uint32_t *ptr = enc->ws->buffer_map(fb->res->buf, enc->cs, PIPE_TRANSFER_READ_WRITE);
if (ptr[1])
*size = ptr[6];
else
*size = 0;
enc->ws->buffer_unmap(fb->res->buf);
}
si_vid_destroy_buffer(fb);
FREE(fb);
}
struct pipe_video_codec *radeon_create_encoder(struct pipe_context *context,
const struct pipe_video_codec *templ,
struct radeon_winsys* ws,
radeon_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_encoder *enc;
struct pipe_video_buffer *tmp_buf, templat = {};
struct radeon_surf *tmp_surf;
unsigned cpb_size;
enc = CALLOC_STRUCT(radeon_encoder);
if (!enc)
return NULL;
enc->alignment = 256;
enc->base = *templ;
enc->base.context = context;
enc->base.destroy = radeon_enc_destroy;
enc->base.begin_frame = radeon_enc_begin_frame;
enc->base.encode_bitstream = radeon_enc_encode_bitstream;
enc->base.end_frame = radeon_enc_end_frame;
enc->base.flush = radeon_enc_flush;
enc->base.get_feedback = radeon_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_VCN_ENC, radeon_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_enc_1_2_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;
}