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/**************************************************************************
*
* Copyright 2013 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.
*
**************************************************************************/
/*
* Authors:
* Christian König <christian.koenig@amd.com>
*
*/
#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 "r600_pipe_common.h"
#include "radeon_video.h"
#include "radeon_vce.h"
#define FW_40_2_2 ((40 << 24) | (2 << 16) | (2 << 8))
#define FW_50_0_1 ((50 << 24) | (0 << 16) | (1 << 8))
#define FW_50_1_2 ((50 << 24) | (1 << 16) | (2 << 8))
#define FW_50_10_2 ((50 << 24) | (10 << 16) | (2 << 8))
#define FW_50_17_3 ((50 << 24) | (17 << 16) | (3 << 8))
#define FW_52_0_3 ((52 << 24) | (0 << 16) | (3 << 8))
#define FW_52_4_3 ((52 << 24) | (4 << 16) | (3 << 8))
#define FW_52_8_3 ((52 << 24) | (8 << 16) | (3 << 8))
/**
* flush commands to the hardware
*/
static void flush(struct rvce_encoder *enc)
{
enc->ws->cs_flush(enc->cs, RADEON_FLUSH_ASYNC, NULL);
enc->task_info_idx = 0;
enc->bs_idx = 0;
}
#if 0
static void dump_feedback(struct rvce_encoder *enc, struct rvid_buffer *fb)
{
uint32_t *ptr = enc->ws->buffer_map(fb->res->buf, enc->cs, PIPE_TRANSFER_READ_WRITE);
unsigned i = 0;
fprintf(stderr, "\n");
fprintf(stderr, "encStatus:\t\t\t%08x\n", ptr[i++]);
fprintf(stderr, "encHasBitstream:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "encHasAudioBitstream:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "encBitstreamOffset:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "encBitstreamSize:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "encAudioBitstreamOffset:\t%08x\n", ptr[i++]);
fprintf(stderr, "encAudioBitstreamSize:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "encExtrabytes:\t\t\t%08x\n", ptr[i++]);
fprintf(stderr, "encAudioExtrabytes:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "videoTimeStamp:\t\t\t%08x\n", ptr[i++]);
fprintf(stderr, "audioTimeStamp:\t\t\t%08x\n", ptr[i++]);
fprintf(stderr, "videoOutputType:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "attributeFlags:\t\t\t%08x\n", ptr[i++]);
fprintf(stderr, "seiPrivatePackageOffset:\t%08x\n", ptr[i++]);
fprintf(stderr, "seiPrivatePackageSize:\t\t%08x\n", ptr[i++]);
fprintf(stderr, "\n");
enc->ws->buffer_unmap(fb->res->buf);
}
#endif
/**
* reset the CPB handling
*/
static void reset_cpb(struct rvce_encoder *enc)
{
unsigned i;
LIST_INITHEAD(&enc->cpb_slots);
for (i = 0; i < enc->cpb_num; ++i) {
struct rvce_cpb_slot *slot = &enc->cpb_array[i];
slot->index = i;
slot->picture_type = PIPE_H264_ENC_PICTURE_TYPE_SKIP;
slot->frame_num = 0;
slot->pic_order_cnt = 0;
LIST_ADDTAIL(&slot->list, &enc->cpb_slots);
}
}
/**
* sort l0 and l1 to the top of the list
*/
static void sort_cpb(struct rvce_encoder *enc)
{
struct rvce_cpb_slot *i, *l0 = NULL, *l1 = NULL;
LIST_FOR_EACH_ENTRY(i, &enc->cpb_slots, list) {
if (i->frame_num == enc->pic.ref_idx_l0)
l0 = i;
if (i->frame_num == enc->pic.ref_idx_l1)
l1 = i;
if (enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_P && l0)
break;
if (enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_B &&
l0 && l1)
break;
}
if (l1) {
LIST_DEL(&l1->list);
LIST_ADD(&l1->list, &enc->cpb_slots);
}
if (l0) {
LIST_DEL(&l0->list);
LIST_ADD(&l0->list, &enc->cpb_slots);
}
}
/**
* get number of cpbs based on dpb
*/
static unsigned get_cpb_num(struct rvce_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);
}
/**
* Get the slot for the currently encoded frame
*/
struct rvce_cpb_slot *current_slot(struct rvce_encoder *enc)
{
return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.prev, list);
}
/**
* Get the slot for L0
*/
struct rvce_cpb_slot *l0_slot(struct rvce_encoder *enc)
{
return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next, list);
}
/**
* Get the slot for L1
*/
struct rvce_cpb_slot *l1_slot(struct rvce_encoder *enc)
{
return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next->next, list);
}
/**
* Calculate the offsets into the CPB
*/
void rvce_frame_offset(struct rvce_encoder *enc, struct rvce_cpb_slot *slot,
signed *luma_offset, signed *chroma_offset)
{
unsigned pitch = align(enc->luma->u.legacy.level[0].nblk_x * enc->luma->bpe, 128);
unsigned vpitch = align(enc->luma->u.legacy.level[0].nblk_y, 16);
unsigned fsize = pitch * (vpitch + vpitch / 2);
*luma_offset = slot->index * fsize;
*chroma_offset = *luma_offset + pitch * vpitch;
}
/**
* destroy this video encoder
*/
static void rvce_destroy(struct pipe_video_codec *encoder)
{
struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
if (enc->stream_handle) {
struct rvid_buffer fb;
rvid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING);
enc->fb = &fb;
enc->session(enc);
enc->feedback(enc);
enc->destroy(enc);
flush(enc);
rvid_destroy_buffer(&fb);
}
rvid_destroy_buffer(&enc->cpb);
enc->ws->cs_destroy(enc->cs);
FREE(enc->cpb_array);
FREE(enc);
}
static void rvce_begin_frame(struct pipe_video_codec *encoder,
struct pipe_video_buffer *source,
struct pipe_picture_desc *picture)
{
struct rvce_encoder *enc = (struct rvce_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;
bool need_rate_control =
enc->pic.rate_ctrl.rate_ctrl_method != pic->rate_ctrl.rate_ctrl_method ||
enc->pic.quant_i_frames != pic->quant_i_frames ||
enc->pic.quant_p_frames != pic->quant_p_frames ||
enc->pic.quant_b_frames != pic->quant_b_frames;
enc->pic = *pic;
get_pic_param(enc, pic);
enc->get_buffer(vid_buf->resources[0], &enc->handle, &enc->luma);
enc->get_buffer(vid_buf->resources[1], NULL, &enc->chroma);
if (pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_IDR)
reset_cpb(enc);
else if (pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_P ||
pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_B)
sort_cpb(enc);
if (!enc->stream_handle) {
struct rvid_buffer fb;
enc->stream_handle = rvid_alloc_stream_handle();
rvid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING);
enc->fb = &fb;
enc->session(enc);
enc->create(enc);
enc->config(enc);
enc->feedback(enc);
flush(enc);
//dump_feedback(enc, &fb);
rvid_destroy_buffer(&fb);
need_rate_control = false;
}
if (need_rate_control) {
enc->session(enc);
enc->config(enc);
flush(enc);
}
}
static void rvce_encode_bitstream(struct pipe_video_codec *encoder,
struct pipe_video_buffer *source,
struct pipe_resource *destination,
void **fb)
{
struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
enc->get_buffer(destination, &enc->bs_handle, NULL);
enc->bs_size = destination->width0;
*fb = enc->fb = CALLOC_STRUCT(rvid_buffer);
if (!rvid_create_buffer(enc->screen, enc->fb, 512, PIPE_USAGE_STAGING)) {
RVID_ERR("Can't create feedback buffer.\n");
return;
}
if (!radeon_emitted(enc->cs, 0))
enc->session(enc);
enc->encode(enc);
enc->feedback(enc);
}
static void rvce_end_frame(struct pipe_video_codec *encoder,
struct pipe_video_buffer *source,
struct pipe_picture_desc *picture)
{
struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
struct rvce_cpb_slot *slot = LIST_ENTRY(
struct rvce_cpb_slot, enc->cpb_slots.prev, list);
if (!enc->dual_inst || enc->bs_idx > 1)
flush(enc);
/* update the CPB backtrack with the just encoded frame */
slot->picture_type = enc->pic.picture_type;
slot->frame_num = enc->pic.frame_num;
slot->pic_order_cnt = enc->pic.pic_order_cnt;
if (!enc->pic.not_referenced) {
LIST_DEL(&slot->list);
LIST_ADD(&slot->list, &enc->cpb_slots);
}
}
static void rvce_get_feedback(struct pipe_video_codec *encoder,
void *feedback, unsigned *size)
{
struct rvce_encoder *enc = (struct rvce_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[4] - ptr[9];
} else {
*size = 0;
}
enc->ws->buffer_unmap(fb->res->buf);
}
//dump_feedback(enc, fb);
rvid_destroy_buffer(fb);
FREE(fb);
}
/**
* flush any outstanding command buffers to the hardware
*/
static void rvce_flush(struct pipe_video_codec *encoder)
{
struct rvce_encoder *enc = (struct rvce_encoder*)encoder;
flush(enc);
}
static void rvce_cs_flush(void *ctx, unsigned flags,
struct pipe_fence_handle **fence)
{
// just ignored
}
struct pipe_video_codec *rvce_create_encoder(struct pipe_context *context,
const struct pipe_video_codec *templ,
struct radeon_winsys* ws,
rvce_get_buffer get_buffer)
{
struct r600_common_screen *rscreen = (struct r600_common_screen *)context->screen;
struct r600_common_context *rctx = (struct r600_common_context*)context;
struct rvce_encoder *enc;
struct pipe_video_buffer *tmp_buf, templat = {};
struct radeon_surf *tmp_surf;
unsigned cpb_size;
if (!rscreen->info.vce_fw_version) {
RVID_ERR("Kernel doesn't supports VCE!\n");
return NULL;
} else if (!rvce_is_fw_version_supported(rscreen)) {
RVID_ERR("Unsupported VCE fw version loaded!\n");
return NULL;
}
enc = CALLOC_STRUCT(rvce_encoder);
if (!enc)
return NULL;
if (rscreen->info.drm_major == 3)
enc->use_vm = true;
if ((rscreen->info.drm_major == 2 && rscreen->info.drm_minor >= 42) ||
rscreen->info.drm_major == 3)
enc->use_vui = true;
if (rscreen->info.family >= CHIP_TONGA &&
rscreen->info.family != CHIP_STONEY &&
rscreen->info.family != CHIP_POLARIS11 &&
rscreen->info.family != CHIP_POLARIS12)
enc->dual_pipe = true;
/* TODO enable B frame with dual instance */
if ((rscreen->info.family >= CHIP_TONGA) &&
(templ->max_references == 1) &&
(rscreen->info.vce_harvest_config == 0))
enc->dual_inst = true;
enc->base = *templ;
enc->base.context = context;
enc->base.destroy = rvce_destroy;
enc->base.begin_frame = rvce_begin_frame;
enc->base.encode_bitstream = rvce_encode_bitstream;
enc->base.end_frame = rvce_end_frame;
enc->base.flush = rvce_flush;
enc->base.get_feedback = rvce_get_feedback;
enc->get_buffer = get_buffer;
enc->screen = context->screen;
enc->ws = ws;
enc->cs = ws->cs_create(rctx->ctx, RING_VCE, rvce_cs_flush, enc);
if (!enc->cs) {
RVID_ERR("Can't get command submission context.\n");
goto error;
}
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 = align(tmp_surf->u.legacy.level[0].nblk_x * tmp_surf->bpe, 128);
cpb_size = cpb_size * align(tmp_surf->u.legacy.level[0].nblk_y, 32);
cpb_size = cpb_size * 3 / 2;
cpb_size = cpb_size * enc->cpb_num;
if (enc->dual_pipe)
cpb_size += RVCE_MAX_AUX_BUFFER_NUM *
RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE * 2;
tmp_buf->destroy(tmp_buf);
if (!rvid_create_buffer(enc->screen, &enc->cpb, cpb_size, PIPE_USAGE_DEFAULT)) {
RVID_ERR("Can't create CPB buffer.\n");
goto error;
}
enc->cpb_array = CALLOC(enc->cpb_num, sizeof(struct rvce_cpb_slot));
if (!enc->cpb_array)
goto error;
reset_cpb(enc);
switch (rscreen->info.vce_fw_version) {
case FW_40_2_2:
radeon_vce_40_2_2_init(enc);
get_pic_param = radeon_vce_40_2_2_get_param;
break;
case FW_50_0_1:
case FW_50_1_2:
case FW_50_10_2:
case FW_50_17_3:
radeon_vce_50_init(enc);
get_pic_param = radeon_vce_50_get_param;
break;
case FW_52_0_3:
case FW_52_4_3:
case FW_52_8_3:
radeon_vce_52_init(enc);
get_pic_param = radeon_vce_52_get_param;
break;
default:
goto error;
}
return &enc->base;
error:
if (enc->cs)
enc->ws->cs_destroy(enc->cs);
rvid_destroy_buffer(&enc->cpb);
FREE(enc->cpb_array);
FREE(enc);
return NULL;
}
/**
* check if kernel has the right fw version loaded
*/
bool rvce_is_fw_version_supported(struct r600_common_screen *rscreen)
{
switch (rscreen->info.vce_fw_version) {
case FW_40_2_2:
case FW_50_0_1:
case FW_50_1_2:
case FW_50_10_2:
case FW_50_17_3:
case FW_52_0_3:
case FW_52_4_3:
case FW_52_8_3:
return true;
default:
return false;
}
}
/**
* Add the buffer as relocation to the current command submission
*/
void rvce_add_buffer(struct rvce_encoder *enc, struct pb_buffer *buf,
enum radeon_bo_usage usage, enum radeon_bo_domain domain,
signed offset)
{
int reloc_idx;
reloc_idx = enc->ws->cs_add_buffer(enc->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED,
domain, RADEON_PRIO_VCE);
if (enc->use_vm) {
uint64_t addr;
addr = enc->ws->buffer_get_virtual_address(buf);
addr = addr + offset;
RVCE_CS(addr >> 32);
RVCE_CS(addr);
} else {
offset += enc->ws->buffer_get_reloc_offset(buf);
RVCE_CS(reloc_idx * 4);
RVCE_CS(offset);
}
}
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