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mpp/mpp/codec/dec/av1/av1d_parser.c
Yandong Lin ba36d64fee [av1d]: fix gm params parse issue 
Signed-off-by: Yandong Lin <yandong.lin@rock-chips.com>
Change-Id: I5eadcdccba796201ba697c12f6983579608e0998
2023-02-09 16:07:01 +08:00

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/*
* Copyright 2021 Rockchip Electronics Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define MODULE_TAG "av1d_parser"
#include <stdlib.h>
#include <string.h>
#include "mpp_env.h"
#include "mpp_mem.h"
#include "mpp_debug.h"
#include "mpp_common.h"
#include "mpp_compat_impl.h"
#include "rk_hdr_meta_com.h"
#include "mpp_bitread.h"
#include "mpp_packet_impl.h"
#include "av1d_parser.h"
#include "mpp_dec_cb_param.h"
#include "mpp_frame_impl.h"
RK_U32 av1d_debug = 0;
/**
* Clip a signed integer into the -(2^p),(2^p-1) range.
* @param a value to clip
* @param p bit position to clip at
* @return clipped value
*/
static RK_U32 mpp_clip_uintp2(RK_S32 a, RK_S32 p)
{
if (a & ~((1 << p) - 1)) return -a >> 31 & ((1 << p) - 1);
else return a;
}
static const Av1UnitType unit_types[] = {
AV1_OBU_TEMPORAL_DELIMITER,
AV1_OBU_SEQUENCE_HEADER,
AV1_OBU_FRAME_HEADER,
AV1_OBU_TILE_GROUP,
AV1_OBU_METADATA,
AV1_OBU_FRAME,
};
static MPP_RET get_pixel_format(Av1CodecContext *ctx)
{
AV1Context *s = ctx->priv_data;
const AV1RawSequenceHeader *seq = s->sequence_header;
uint8_t bit_depth = 8;;
MPP_RET ret = MPP_OK;
MppFrameFormat pix_fmt = MPP_FMT_BUTT;
if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
bit_depth = seq->color_config.twelve_bit ? 12 : 10;
else if (seq->seq_profile <= 2)
bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
else {
mpp_err_f("Unknown AV1 profile %d.\n", seq->seq_profile);
return -1;
}
if (!seq->color_config.mono_chrome) {
// 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1
if (seq->color_config.subsampling_x == 0 &&
seq->color_config.subsampling_y == 0) {
mpp_err_f("no support yuv444 AV1 pixel format.\n");
return -1;
} else if (seq->color_config.subsampling_x == 1 &&
seq->color_config.subsampling_y == 0) {
if (bit_depth == 8)
pix_fmt = MPP_FMT_YUV422P;
else {
mpp_err_f("no support yuv422 bit depth > 8\n");
return -1;
}
} else if (seq->color_config.subsampling_x == 1 &&
seq->color_config.subsampling_y == 1) {
if (bit_depth == 8)
pix_fmt = MPP_FMT_YUV420SP;
else if (bit_depth == 10) {
pix_fmt = MPP_FMT_YUV420SP_10BIT;
} else {
mpp_err_f("no support MPP_FMT_YUV420SP bit depth > 8\n");
return -1;
}
}
} else {
mpp_err_f("no supprot PIX_FMT_GRAY pixel format.\n");
return -1;
}
if (pix_fmt == MPP_FMT_BUTT)
return -1;
ctx->pix_fmt = pix_fmt;
s->bit_depth = bit_depth;
return ret;
}
static RK_U32 inverse_recenter(RK_S32 r, RK_U32 v)
{
if ((RK_S32)v > 2 * r)
return v;
else if (v & 1)
return r - ((v + 1) >> 1);
else
return r + (v >> 1);
}
static RK_U32 decode_unsigned_subexp_with_ref(RK_U32 sub_exp,
RK_S32 mx, RK_S32 r)
{
if ((r << 1) <= mx) {
return inverse_recenter(r, sub_exp);
} else {
return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp);
}
}
static RK_S32 decode_signed_subexp_with_ref(RK_U32 sub_exp, RK_S32 low,
RK_S32 high, RK_S32 r)
{
RK_S32 x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low);
return x + low;
}
static void read_global_param(AV1Context *s, RK_S32 type, RK_S32 ref, RK_S32 idx)
{
uint8_t primary_frame, prev_frame;
RK_U32 abs_bits, prec_bits, round, prec_diff, sub, mx;
RK_S32 r, prev_gm_param;
primary_frame = s->raw_frame_header->primary_ref_frame;
prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame];
abs_bits = AV1_GM_ABS_ALPHA_BITS;
prec_bits = AV1_GM_ALPHA_PREC_BITS;
/* setup_past_independence() sets PrevGmParams to default values. We can
* simply point to the current's frame gm_params as they will be initialized
* with defaults at this point.
*/
if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE)
prev_gm_param = s->cur_frame.gm_params[ref].wmmat[idx];
else
prev_gm_param = s->ref[prev_frame].gm_params[ref].wmmat[idx];
if (idx < 2) {
if (type == AV1_WARP_MODEL_TRANSLATION) {
abs_bits = AV1_GM_ABS_TRANS_ONLY_BITS -
!s->raw_frame_header->allow_high_precision_mv;
prec_bits = AV1_GM_TRANS_ONLY_PREC_BITS -
!s->raw_frame_header->allow_high_precision_mv;
} else {
abs_bits = AV1_GM_ABS_TRANS_BITS;
prec_bits = AV1_GM_TRANS_PREC_BITS;
}
}
round = (idx % 3) == 2 ? (1 << AV1_WARPEDMODEL_PREC_BITS) : 0;
prec_diff = AV1_WARPEDMODEL_PREC_BITS - prec_bits;
sub = (idx % 3) == 2 ? (1 << prec_bits) : 0;
mx = 1 << abs_bits;
r = (prev_gm_param >> prec_diff) - sub;
s->cur_frame.gm_params[ref].wmmat[idx] =
(decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx],
-mx, mx + 1, r) << prec_diff) + round;
}
/**
* update gm type/params, since cbs already implemented part of this funcation,
* so we don't need to full implement spec.
*/
static void global_motion_params(AV1Context *s)
{
const AV1RawFrameHeader *header = s->raw_frame_header;
RK_S32 type, ref;
RK_S32 i = 0;
for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
s->cur_frame.gm_params[ref].wmtype = AV1_WARP_MODEL_IDENTITY;
for (i = 0; i < 6; i++)
s->cur_frame.gm_params[ref].wmmat[i] = (i % 3 == 2) ?
1 << AV1_WARPEDMODEL_PREC_BITS : 0;
}
if (header->frame_type == AV1_FRAME_KEY ||
header->frame_type == AV1_FRAME_INTRA_ONLY)
return;
for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
if (header->is_global[ref]) {
if (header->is_rot_zoom[ref]) {
type = AV1_WARP_MODEL_ROTZOOM;
} else {
type = header->is_translation[ref] ? AV1_WARP_MODEL_TRANSLATION
: AV1_WARP_MODEL_AFFINE;
}
} else {
type = AV1_WARP_MODEL_IDENTITY;
}
s->cur_frame.gm_params[ref].wmtype = type;
if (type >= AV1_WARP_MODEL_ROTZOOM) {
read_global_param(s, type, ref, 2);
read_global_param(s, type, ref, 3);
if (type == AV1_WARP_MODEL_AFFINE) {
read_global_param(s, type, ref, 4);
read_global_param(s, type, ref, 5);
} else {
s->cur_frame.gm_params[ref].wmmat[4] = -s->cur_frame.gm_params[ref].wmmat[3];
s->cur_frame.gm_params[ref].wmmat[5] = s->cur_frame.gm_params[ref].wmmat[2];
}
}
if (type >= AV1_WARP_MODEL_TRANSLATION) {
read_global_param(s, type, ref, 0);
read_global_param(s, type, ref, 1);
}
}
}
static RK_S32 get_relative_dist(const AV1RawSequenceHeader *seq,
RK_U32 a, RK_U32 b)
{
RK_U32 diff = a - b;
RK_U32 m = 1 << seq->order_hint_bits_minus_1;
return (diff & (m - 1)) - (diff & m);
}
static void skip_mode_params(AV1Context *s)
{
const AV1RawFrameHeader *header = s->raw_frame_header;
const AV1RawSequenceHeader *seq = s->sequence_header;
RK_S32 forward_idx, backward_idx;
RK_S32 forward_hint, backward_hint;
RK_S32 second_forward_idx, second_forward_hint;
RK_S32 ref_hint, dist, i;
if (!header->skip_mode_present)
return;
forward_idx = -1;
backward_idx = -1;
forward_hint = -1;
backward_hint = -1;
for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
ref_hint = s->ref[header->ref_frame_idx[i]].order_hint;
dist = get_relative_dist(seq, ref_hint, header->order_hint);
if (dist < 0) {
if (forward_idx < 0 ||
get_relative_dist(seq, ref_hint, forward_hint) > 0) {
forward_idx = i;
forward_hint = ref_hint;
}
} else if (dist > 0) {
if (backward_idx < 0 ||
get_relative_dist(seq, ref_hint, backward_hint) < 0) {
backward_idx = i;
backward_hint = ref_hint;
}
}
}
if (forward_idx < 0) {
return;
} else if (backward_idx >= 0) {
s->cur_frame.skip_mode_frame_idx[0] =
AV1_REF_FRAME_LAST + MPP_MIN(forward_idx, backward_idx);
s->cur_frame.skip_mode_frame_idx[1] =
AV1_REF_FRAME_LAST + MPP_MAX(forward_idx, backward_idx);
return;
}
second_forward_idx = -1;
for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
ref_hint = s->ref[header->ref_frame_idx[i]].order_hint;
if (get_relative_dist(seq, ref_hint, forward_hint) < 0) {
if (second_forward_idx < 0 ||
get_relative_dist(seq, ref_hint, second_forward_hint) > 0) {
second_forward_idx = i;
second_forward_hint = ref_hint;
}
}
}
if (second_forward_idx < 0)
return;
s->cur_frame.skip_mode_frame_idx[0] =
AV1_REF_FRAME_LAST + MPP_MIN(forward_idx, second_forward_idx);
s->cur_frame.skip_mode_frame_idx[1] =
AV1_REF_FRAME_LAST + MPP_MAX(forward_idx, second_forward_idx);
}
static void coded_lossless_param(AV1Context *s)
{
const AV1RawFrameHeader *header = s->raw_frame_header;
RK_S32 i;
if (header->delta_q_y_dc || header->delta_q_u_ac ||
header->delta_q_u_dc || header->delta_q_v_ac ||
header->delta_q_v_dc) {
s->cur_frame.coded_lossless = 0;
return;
}
s->cur_frame.coded_lossless = 1;
for (i = 0; i < AV1_MAX_SEGMENTS; i++) {
RK_S32 qindex;
if (header->feature_enabled[i][AV1_SEG_LVL_ALT_Q]) {
qindex = (header->base_q_idx +
header->feature_value[i][AV1_SEG_LVL_ALT_Q]);
} else {
qindex = header->base_q_idx;
}
qindex = mpp_clip_uintp2(qindex, 8);
if (qindex) {
s->cur_frame.coded_lossless = 0;
return;
}
}
}
static void load_grain_params(AV1Context *s)
{
const AV1RawFrameHeader *header = s->raw_frame_header;
const AV1RawFilmGrainParams *film_grain = &header->film_grain, *src;
AV1RawFilmGrainParams *dst = &s->cur_frame.film_grain;
if (!film_grain->apply_grain)
return;
if (film_grain->update_grain) {
memcpy(dst, film_grain, sizeof(*dst));
return;
}
src = &s->ref[film_grain->film_grain_params_ref_idx].film_grain;
memcpy(dst, src, sizeof(*dst));
dst->grain_seed = film_grain->grain_seed;
}
typedef struct GetByteCxt_t {
const uint8_t *buffer, *buffer_end, *buffer_start;
} GetByteCxt;
void bytestream_init(GetByteCxt *g,
const uint8_t *buf,
int buf_size)
{
mpp_assert(buf_size >= 0);
g->buffer = buf;
g->buffer_start = buf;
g->buffer_end = buf + buf_size;
}
static int bytestream_get_bytes_left(GetByteCxt *g)
{
return g->buffer_end - g->buffer;
}
static void bytestream_skipu(GetByteCxt *g, unsigned int size)
{
g->buffer += size;
}
static int bytestream_tell(GetByteCxt *g)
{
return (int)(g->buffer - g->buffer_start);
}
static int bytestream_get_byteu(GetByteCxt *g)
{
int tmp;
tmp = g->buffer[0];
g->buffer++;
return tmp;
}
static RK_S32 get_tiles_info(Av1CodecContext *ctx, const AV1RawTileGroup *tile_group)
{
AV1Context *s = ctx->priv_data;
GetByteCxt gb;
RK_S16 tile_num;
RK_S32 size = 0, size_bytes = 0;
RK_S32 i;
bytestream_init(&gb, tile_group->tile_data.data,
tile_group->tile_data.data_size);
for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) {
if (tile_num == tile_group->tg_end) {
s->tile_offset_start[tile_num] = bytestream_tell(&gb);
s->tile_offset_end[tile_num] = bytestream_tell(&gb) + bytestream_get_bytes_left(&gb);
return 0;
}
size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1;
if (bytestream_get_bytes_left(&gb) < size_bytes)
return MPP_ERR_VALUE;
size = 0;
for (i = 0; i < size_bytes; i++)
size |= bytestream_get_byteu(&gb) << 8 * i;
if (bytestream_get_bytes_left(&gb) <= size)
return MPP_ERR_VALUE;
size++;
s->tile_offset_start[tile_num] = bytestream_tell(&gb);
s->tile_offset_end[tile_num] = bytestream_tell(&gb) + size;
bytestream_skipu(&gb, size);
}
return 0;
}
static void av1d_frame_unref(Av1CodecContext *ctx, AV1Frame *f)
{
AV1Context *s = ctx->priv_data;
f->raw_frame_header = NULL;
f->spatial_id = f->temporal_id = 0;
memset(f->skip_mode_frame_idx, 0,
2 * sizeof(uint8_t));
memset(&f->film_grain, 0, sizeof(f->film_grain));
f->coded_lossless = 0;
if (!f->ref || f->ref->ref_count <= 0 || f->slot_index >= 0x7f) {
mpp_err("ref count alreay is zero");
return;
}
f->ref->ref_count--;
av1d_dbg(AV1D_DBG_REF, "ref %p, f->ref->ref_count %d, ref->invisible= %d", f->ref, f->ref->ref_count, f->ref->invisible);
if (!f->ref->ref_count) {
if (f->slot_index < 0x7f) {
av1d_dbg(AV1D_DBG_REF, "clr f->slot_index = %d", f->slot_index);
/* if pic no output for disaplay when ref_cnt
clear we will free this buffer directly,
maybe cause some frame can't display */
// if (f->ref->invisible && !f->ref->is_output) {
if (!f->ref->is_output) {
MppBuffer framebuf = NULL;
mpp_buf_slot_get_prop(s->slots, f->slot_index, SLOT_BUFFER, &framebuf);
av1d_dbg(AV1D_DBG_REF, "free framebuf prt %p", framebuf);
if (framebuf)
mpp_buffer_put(framebuf);
f->ref->invisible = 0;
}
mpp_buf_slot_clr_flag(s->slots, f->slot_index, SLOT_CODEC_USE);
}
f->slot_index = 0xff;
mpp_free(f->ref);
f->ref = NULL;
}
f->ref = NULL;
}
static MPP_RET set_output_frame(Av1CodecContext *ctx)
{
AV1Context *s = ctx->priv_data;
MppFrame frame = NULL;
MPP_RET ret = MPP_OK;
// TODO: all layers
if (s->operating_point_idc &&
mpp_log2(s->operating_point_idc >> 8) > s->cur_frame.spatial_id)
return 0;
mpp_buf_slot_get_prop(s->slots, s->cur_frame.slot_index, SLOT_FRAME_PTR, &frame);
if (s->hdr_dynamic_meta && s->hdr_dynamic) {
mpp_frame_set_hdr_dynamic_meta(frame, s->hdr_dynamic_meta);
s->hdr_dynamic = 0;
if (s->raw_frame_header->show_existing_frame)
fill_hdr_meta_to_frame(frame, HDR_AV1);
}
mpp_frame_set_pts(frame, s->pts);
mpp_buf_slot_set_flag(s->slots, s->cur_frame.slot_index, SLOT_QUEUE_USE);
mpp_buf_slot_enqueue(s->slots, s->cur_frame.slot_index, QUEUE_DISPLAY);
s->cur_frame.ref->is_output = 1;
return ret;
}
static RK_S32 av1d_frame_ref(Av1CodecContext *ctx, AV1Frame *dst, const AV1Frame *src)
{
AV1Context *s = ctx->priv_data;
MppFrameImpl *impl_frm = (MppFrameImpl *)dst->f;
dst->spatial_id = src->spatial_id;
dst->temporal_id = src->temporal_id;
dst->order_hint = src->order_hint;
memcpy(dst->gm_params,
src->gm_params,
sizeof(src->gm_params));
memcpy(dst->skip_mode_frame_idx,
src->skip_mode_frame_idx,
2 * sizeof(uint8_t));
memcpy(&dst->film_grain,
&src->film_grain,
sizeof(dst->film_grain));
dst->coded_lossless = src->coded_lossless;
if (src->slot_index >= 0x7f) {
mpp_err("av1d_ref_frame is vaild");
return -1;
}
dst->slot_index = src->slot_index;
dst->ref = src->ref;
dst->ref->ref_count++;
mpp_buf_slot_get_prop(s->slots, src->slot_index, SLOT_FRAME, &dst->f);
impl_frm->buffer = NULL; //parser no need process hal buf
return 0;
}
static MPP_RET update_reference_list(Av1CodecContext *ctx)
{
AV1Context *s = ctx->priv_data;
const AV1RawFrameHeader *header = s->raw_frame_header;
MPP_RET ret = MPP_OK;
RK_S32 i = 0;
RK_S32 lst2_buf_idx;
RK_S32 lst3_buf_idx;
RK_S32 gld_buf_idx;
RK_S32 alt_buf_idx;
RK_S32 lst_buf_idx;
RK_S32 bwd_buf_idx;
RK_S32 alt2_buf_idx;
if (!header->show_existing_frame) {
lst2_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_LAST2 - AV1_REF_FRAME_LAST];
lst3_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_LAST3 - AV1_REF_FRAME_LAST];
gld_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_GOLDEN - AV1_REF_FRAME_LAST];
alt_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_ALTREF - AV1_REF_FRAME_LAST];
lst_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_LAST - AV1_REF_FRAME_LAST];
bwd_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_BWDREF - AV1_REF_FRAME_LAST];
alt2_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_ALTREF2 - AV1_REF_FRAME_LAST];
s->cur_frame.ref->lst2_frame_offset = s->ref[lst2_buf_idx].order_hint;
s->cur_frame.ref->lst3_frame_offset = s->ref[lst3_buf_idx].order_hint;
s->cur_frame.ref->gld_frame_offset = s->ref[gld_buf_idx].order_hint;
s->cur_frame.ref->alt_frame_offset = s->ref[alt_buf_idx].order_hint;
s->cur_frame.ref->lst_frame_offset = s->ref[lst_buf_idx].order_hint;
s->cur_frame.ref->bwd_frame_offset = s->ref[bwd_buf_idx].order_hint;
s->cur_frame.ref->alt2_frame_offset = s->ref[alt2_buf_idx].order_hint;
}
for (i = 0; i < AV1_NUM_REF_FRAMES; i++) {
av1d_dbg(AV1D_DBG_REF, "header->refresh_frame_flags = %d",
header->refresh_frame_flags);
if (header->refresh_frame_flags & (1 << i)) {
av1d_dbg(AV1D_DBG_REF, "av1 ref idx %d s->ref[%d].slot_index %d",
i, i, s->ref[i].slot_index);
if (s->ref[i].ref)
av1d_frame_unref(ctx, &s->ref[i]);
if ((ret = av1d_frame_ref(ctx, &s->ref[i], &s->cur_frame)) < 0) {
mpp_err_f("Failed to update frame %d in reference list\n", i);
return ret;
}
}
}
return ret;
}
static RK_U32 hor_align_16(RK_U32 val)
{
return MPP_ALIGN(val, 16);
}
static MPP_RET get_current_frame(Av1CodecContext *ctx)
{
AV1Context *s = ctx->priv_data;
MPP_RET ret = MPP_OK;
AV1Frame *frame = &s->cur_frame;
RK_U32 value;
if (frame->ref)
av1d_frame_unref(ctx, frame);
mpp_frame_set_meta(frame->f, NULL);
mpp_frame_set_width(frame->f, ctx->width);
mpp_frame_set_height(frame->f, ctx->height);
mpp_frame_set_hor_stride(frame->f, MPP_ALIGN(ctx->width * s->bit_depth / 8, 8));
mpp_frame_set_ver_stride(frame->f, MPP_ALIGN(ctx->height, 8));
mpp_frame_set_errinfo(frame->f, 0);
mpp_frame_set_discard(frame->f, 0);
mpp_frame_set_pts(frame->f, s->pts);
if (s->is_hdr)
ctx->pix_fmt |= MPP_FRAME_HDR;
if (MPP_FRAME_FMT_IS_FBC(s->cfg->base.out_fmt)) {
mpp_slots_set_prop(s->slots, SLOTS_HOR_ALIGN, hor_align_16);
if (s->bit_depth == 10) {
if (ctx->pix_fmt == MPP_FMT_YUV420SP || ctx->pix_fmt == MPP_FMT_YUV420SP_10BIT)
ctx->pix_fmt = MPP_FMT_YUV420SP_10BIT;
else
mpp_err("422p 10bit no support");
}
mpp_frame_set_fmt(frame->f, ctx->pix_fmt | ((s->cfg->base.out_fmt & (MPP_FRAME_FBC_MASK))));
mpp_frame_set_offset_x(frame->f, 0);
mpp_frame_set_offset_y(frame->f, 0);
mpp_frame_set_ver_stride(frame->f, MPP_ALIGN(ctx->height, 8) + 28);
} else
mpp_frame_set_fmt(frame->f, ctx->pix_fmt);
value = 4;
mpp_slots_set_prop(s->slots, SLOTS_NUMERATOR, &value);
value = 1;
mpp_slots_set_prop(s->slots, SLOTS_DENOMINATOR, &value);
mpp_buf_slot_get_unused(s->slots, &frame->slot_index);
av1d_dbg(AV1D_DBG_REF, "get frame->slot_index %d", frame->slot_index);
mpp_buf_slot_set_prop(s->slots, frame->slot_index, SLOT_FRAME, frame->f);
mpp_buf_slot_set_flag(s->slots, frame->slot_index, SLOT_CODEC_USE);
mpp_buf_slot_set_flag(s->slots, frame->slot_index, SLOT_HAL_OUTPUT);
frame->ref = mpp_calloc(RefInfo, 1);
frame->ref->ref_count++;
frame->ref->is_intra_frame = !s->raw_frame_header->frame_type;
frame->ref->intra_only = (s->raw_frame_header->frame_type == 2);
frame->ref->is_output = 0;
if (!s->raw_frame_header->show_frame && !s->raw_frame_header->showable_frame) {
frame->ref->invisible = 1;
}
if (ret < 0) {
mpp_err_f("Failed to allocate space for current frame.\n");
return ret;
}
/* ret = init_tile_data(s);
if (ret < 0) {
mpp_err_f( "Failed to init tile data.\n");
return ret;
}*/
global_motion_params(s);
skip_mode_params(s);
coded_lossless_param(s);
load_grain_params(s);
return ret;
}
MPP_RET av1d_parser_init(Av1CodecContext *ctx, ParserCfg *init)
{
MPP_RET ret = MPP_OK;
RK_S32 i = 0;
av1d_dbg_func("enter ctx %p\n", ctx);
AV1Context *s = mpp_calloc(AV1Context, 1);
ctx->priv_data = (void*)s;
if (!ctx->priv_data) {
mpp_err("av1d codec context malloc fail");
return MPP_ERR_NOMEM;
}
s->seq_ref = mpp_calloc(AV1RawSequenceHeader, 1);
s->unit_types = unit_types;
s->nb_unit_types = MPP_ARRAY_ELEMS(unit_types);
s->packet_slots = init->packet_slots;
s->slots = init->frame_slots;
s->cfg = init->cfg;
mpp_buf_slot_setup(s->slots, 25);
mpp_env_get_u32("av1d_debug", &av1d_debug, 0);
for (i = 0; i < AV1_NUM_REF_FRAMES; i++) {
mpp_frame_init(&s->ref[i].f);
if (!s->ref[i].f) {
mpp_err("Failed to allocate frame buffer %d\n", i);
return MPP_ERR_NOMEM;
}
s->ref[i].slot_index = 0x7f;
s->ref[i].ref = NULL;
}
mpp_frame_init(&s->cur_frame.f);
s->cur_frame.ref = NULL;
s->cur_frame.slot_index = 0xff;
if (!s->cur_frame.f) {
mpp_err("Failed to allocate frame buffer %d\n", i);
return MPP_ERR_NOMEM;
}
s->cdfs = &s->default_cdfs;
s->cdfs_ndvc = &s->default_cdfs_ndvc;
AV1SetDefaultCDFs(s->cdfs, s->cdfs_ndvc);
return MPP_OK;
av1d_dbg_func("leave ctx %p\n", ctx);
return ret;
}
MPP_RET av1d_parser_deinit(Av1CodecContext *ctx)
{
MPP_RET ret = MPP_OK;
RK_U32 i = 0;
AV1Context *s = ctx->priv_data;
for ( i = 0; i < MPP_ARRAY_ELEMS(s->ref); i++) {
if (s->ref[i].ref) {
av1d_frame_unref(ctx, &s->ref[i]);
}
mpp_frame_deinit(&s->ref[i].f);
s->ref[i].f = NULL;
}
if (s->cur_frame.ref) {
av1d_frame_unref(ctx, &s->cur_frame);
}
mpp_frame_deinit(&s->cur_frame.f);
mpp_av1_fragment_reset(&s->current_obu);
MPP_FREE(s->seq_ref);
MPP_FREE((s->hdr_dynamic_meta));
MPP_FREE(ctx->priv_data);
return MPP_OK;
av1d_dbg_func("leave ctx %p\n", ctx);
return ret;
}
MPP_RET av1d_parser_frame(Av1CodecContext *ctx, HalDecTask *task)
{
RK_U8 *data = NULL;
RK_S32 size = 0;
AV1Context *s = ctx->priv_data;
AV1RawTileGroup *raw_tile_group = NULL;
MPP_RET ret = MPP_OK;
RK_S32 i;
av1d_dbg_func("enter ctx %p\n", ctx);
task->valid = 0;
data = (RK_U8 *)mpp_packet_get_pos(ctx->pkt);
size = (RK_S32)mpp_packet_get_length(ctx->pkt);
s->pts = mpp_packet_get_pts(ctx->pkt);
s->current_obu.data = data;
s->current_obu.data_size = size;
s->obu_len = 0;
ret = mpp_av1_split_fragment(s, &s->current_obu, 0);
if (ret < 0) {
return ret;
}
ret = mpp_av1_read_fragment_content(s, &s->current_obu);
if (ret < 0) {
return ret;
}
for (i = 0; i < s->current_obu.nb_units; i++) {
Av1ObuUnit *unit = &s->current_obu.units[i];
AV1RawOBU *obu = unit->content;
const AV1RawOBUHeader *header;
if (!obu)
continue;
header = &obu->header;
switch (unit->type) {
case AV1_OBU_SEQUENCE_HEADER:
memcpy(s->seq_ref, &obu->obu.sequence_header, sizeof(AV1RawSequenceHeader));
s->sequence_header = s->seq_ref;
ret = mpp_av1_set_context_with_sequence(ctx, s->sequence_header);
if (ret < 0) {
mpp_err_f("Failed to set context.\n");
s->sequence_header = NULL;
goto end;
}
s->operating_point_idc = s->sequence_header->operating_point_idc[s->operating_point];
if (ctx->pix_fmt == MPP_FMT_BUTT) {
ret = get_pixel_format(ctx);
if (ret < 0) {
mpp_err_f("Failed to get pixel format.\n");
s->sequence_header = NULL;
goto end;
}
}
break;
case AV1_OBU_REDUNDANT_FRAME_HEADER:
if (s->raw_frame_header)
break;
// fall-through
case AV1_OBU_FRAME:
case AV1_OBU_FRAME_HEADER:
if (!s->sequence_header) {
mpp_err_f("Missing Sequence Header.\n");
ret = MPP_ERR_VALUE;
goto end;
}
if (unit->type == AV1_OBU_FRAME)
s->raw_frame_header = &obu->obu.frame.header;
else
s->raw_frame_header = &obu->obu.frame_header;
if (s->raw_frame_header->show_existing_frame) {
if (s->cur_frame.ref) {
av1d_frame_unref(ctx, &s->cur_frame);
}
ret = av1d_frame_ref(ctx, &s->cur_frame,
&s->ref[s->raw_frame_header->frame_to_show_map_idx]);
if (ret < 0) {
mpp_err_f("Failed to get reference frame.\n");
goto end;
}
ret = update_reference_list(ctx);
if (ret < 0) {
mpp_err_f("Failed to update reference list.\n");
goto end;
}
ret = set_output_frame(ctx);
if (ret < 0)
mpp_err_f("Set output frame error.\n");
s->raw_frame_header = NULL;
goto end;
}
ret = get_current_frame(ctx);
if (ret < 0) {
mpp_err_f("Get current frame error\n");
goto end;
}
s->cur_frame.spatial_id = header->spatial_id;
s->cur_frame.temporal_id = header->temporal_id;
s->cur_frame.order_hint = s->raw_frame_header->order_hint;
if (unit->type != AV1_OBU_FRAME)
break;
// fall-through
case AV1_OBU_TILE_GROUP:
if (!s->raw_frame_header) {
mpp_err_f("Missing Frame Header.\n");
ret = MPP_ERR_VALUE;
goto end;
}
if (unit->type == AV1_OBU_FRAME)
raw_tile_group = &obu->obu.frame.tile_group;
else
raw_tile_group = &obu->obu.tile_group;
ret = get_tiles_info(ctx, raw_tile_group);
if (ret < 0)
goto end;
break;
case AV1_OBU_TILE_LIST:
case AV1_OBU_TEMPORAL_DELIMITER:
case AV1_OBU_PADDING:
case AV1_OBU_METADATA:
break;
default:
av1d_dbg(AV1D_DBG_HEADER, "Unknown obu type: %d (%d bits).\n",
unit->type, unit->data_size);
}
if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) {
av1d_parser2_syntax(ctx);
task->syntax.data = (void*)&ctx->pic_params;
task->syntax.number = 1;
task->valid = 1;
task->output = s->cur_frame.slot_index;
task->input_packet = ctx->pkt;
for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
int8_t ref_idx = s->raw_frame_header->ref_frame_idx[i];
if (s->ref[ref_idx].slot_index < 0x7f) {
mpp_buf_slot_set_flag(s->slots, s->ref[ref_idx].slot_index, SLOT_HAL_INPUT);
MppFrame mframe = NULL;
task->refer[i] = s->ref[ref_idx].slot_index;
mpp_buf_slot_get_prop(s->slots, task->refer[i], SLOT_FRAME_PTR, &mframe);
if (mframe)
task->flags.ref_err |= mpp_frame_get_errinfo(mframe);
} else {
task->refer[i] = -1;
}
}
ret = update_reference_list(ctx);
if (ret < 0) {
mpp_err_f("Failed to update reference list.\n");
goto end;
}
if (s->raw_frame_header->show_frame) {
ret = set_output_frame(ctx);
if (ret < 0) {
mpp_err_f("Set output frame error\n");
goto end;
}
}
raw_tile_group = NULL;
s->raw_frame_header = NULL;
}
}
if (s->eos) {
task->flags.eos = 1;
}
end:
mpp_av1_fragment_reset(&s->current_obu);
if (ret < 0)
s->raw_frame_header = NULL;
av1d_dbg_func("leave ctx %p\n", ctx);
return ret;
}
void av1d_parser_update(Av1CodecContext *ctx, void *info)
{
AV1Context* c_ctx = (AV1Context*)ctx->priv_data;
DecCbHalDone *cb = (DecCbHalDone*)info;
RK_U8 *data = (RK_U8*)cb->task;
RK_U32 i;
const RK_U32 mv_cdf_offset = offsetof(AV1CDFs, mv_cdf);
const RK_U32 mv_cdf_size = sizeof(MvCDFs);
const RK_U32 mv_cdf_end_offset = mv_cdf_offset + mv_cdf_size;
const RK_U32 cdf_size = sizeof(AV1CDFs);
av1d_dbg_func("enter ctx %p\n", ctx);
if (!c_ctx->disable_frame_end_update_cdf) {
for (i = 0; i < NUM_REF_FRAMES; i++) {
if (c_ctx->refresh_frame_flags & (1 << i)) {
/* 1. get cdfs */
Av1GetCDFs(c_ctx, i);
{
RK_U8 *cdf_base = (RK_U8 *)c_ctx->cdfs;
RK_U8 *cdf_ndvc_base = (RK_U8 *)c_ctx->cdfs_ndvc;
/* 2. read cdfs from memory*/
if (c_ctx->frame_is_intra) {
memcpy(cdf_base, data, mv_cdf_offset);
// Read intrabc MV context
memcpy(cdf_ndvc_base, data + mv_cdf_offset, mv_cdf_size);
memcpy(cdf_base + mv_cdf_end_offset, data + mv_cdf_end_offset,
cdf_size - mv_cdf_end_offset);
} else {
memcpy(cdf_base, data, cdf_size);
}
}
/* 3. store cdfs*/
Av1StoreCDFs(c_ctx, c_ctx->refresh_frame_flags);
break;
}
}
}
av1d_dbg_func("leave ctx %p\n", ctx);
}
MPP_RET av1d_paser_reset(Av1CodecContext *ctx)
{
(void)ctx;
MPP_RET ret = MPP_OK;
RK_U32 i = 0;
AV1Context *s = ctx->priv_data;
av1d_dbg_func("enter ctx %p\n", ctx);
for ( i = 0; i < MPP_ARRAY_ELEMS(s->ref); i++) {
AV1Frame *f = &s->ref[i];
if (f->ref) {
av1d_frame_unref(ctx, &s->ref[i]);
}
}
av1d_dbg_func("leave ctx %p\n", ctx);
return ret;
}
static inline int64_t leb128(BitReadCtx_t *gb)
{
int64_t ret = 0;
RK_S32 byte = 0;
RK_S32 i;
for (i = 0; i < 8; i++) {
mpp_read_bits(gb, 8, &byte);
ret |= (int64_t)(byte & 0x7f) << (i * 7);
if (!(byte & 0x80))
break;
}
return ret;
}
static inline RK_S32 parse_obu_header(uint8_t *buf, RK_S32 buf_size,
int64_t *obu_size, RK_S32 *start_pos, RK_S32 *type,
RK_S32 *temporal_id, RK_S32 *spatial_id)
{
BitReadCtx_t gb;
RK_S32 extension_flag, has_size_flag;
int64_t size;
RK_S32 value = 0;
mpp_set_bitread_ctx(&gb, buf, MPP_MIN(buf_size, MAX_OBU_HEADER_SIZE));
mpp_read_bits(&gb, 1, &value);
if (value != 0) // obu_forbidden_bit
return MPP_ERR_PROTOL;
mpp_read_bits(&gb, 4, type);
mpp_read_bits(&gb, 1, &extension_flag);
mpp_read_bits(&gb, 1, &has_size_flag);
mpp_skip_bits(&gb, 1); // obu_reserved_1bit
if (extension_flag) {
mpp_read_bits(&gb, 3, temporal_id);
mpp_read_bits(&gb, 2, spatial_id);
mpp_skip_bits(&gb, 3); // extension_header_reserved_3bits
} else {
*temporal_id = *spatial_id = 0;
}
*obu_size = has_size_flag ? leb128(&gb)
: buf_size - 1 - extension_flag;
if (mpp_get_bits_left(&gb) < 0)
return MPP_ERR_PROTOL;
*start_pos = mpp_get_bits_count(&gb) / 8;
size = *obu_size + *start_pos;
if (size > buf_size)
return MPP_ERR_PROTOL;
return size;
}
RK_S32 av1_extract_obu(AV1OBU *obu, uint8_t *buf, RK_S32 length)
{
int64_t obu_size;
RK_S32 start_pos, type, temporal_id, spatial_id;
RK_S32 len;
len = parse_obu_header(buf, length, &obu_size, &start_pos,
&type, &temporal_id, &spatial_id);
if (len < 0)
return len;
obu->type = type;
obu->temporal_id = temporal_id;
obu->spatial_id = spatial_id;
obu->data = buf + start_pos;
obu->size = obu_size;
obu->raw_data = buf;
obu->raw_size = len;
av1d_dbg(AV1D_DBG_STRMIN, "obu_type: %d, temporal_id: %d, spatial_id: %d, payload size: %d\n",
obu->type, obu->temporal_id, obu->spatial_id, obu->size);
return len;
}
RK_S32 av1d_split_frame(SplitContext_t *ctx,
RK_U8 **out_data, RK_S32 *out_size,
RK_U8 *data, RK_S32 size)
{
(void)ctx;
(void)out_data;
(void)out_size;
AV1OBU obu;
uint8_t *ptr = data, *end = data + size;
av1d_dbg_func("enter ctx %p\n", ctx);
*out_data = data;
while (ptr < end) {
RK_S32 len = av1_extract_obu(&obu, ptr, size);
if (len < 0)
break;
if (obu.type == AV1_OBU_FRAME_HEADER ||
obu.type == AV1_OBU_FRAME) {
ptr += len;
size -= len;
*out_size = (RK_S32)(ptr - data);
return ptr - data;
}
ptr += len;
size -= len;
}
return 0;
av1d_dbg_func("leave ctx %p\n", ctx);
return 0;
}
MPP_RET av1d_get_frame_stream(Av1CodecContext *ctx, RK_U8 *buf, RK_S32 length)
{
MPP_RET ret = MPP_OK;
av1d_dbg_func("enter ctx %p\n", ctx);
RK_S32 buff_size = 0;
RK_U8 *data = NULL;
RK_S32 size = 0;
data = (RK_U8 *)mpp_packet_get_data(ctx->pkt);
size = (RK_S32)mpp_packet_get_size(ctx->pkt);
if (length > size) {
mpp_free(data);
mpp_packet_deinit(&ctx->pkt);
buff_size = length + 10 * 1024;
data = mpp_malloc(RK_U8, buff_size);
mpp_packet_init(&ctx->pkt, (void *)data, length);
mpp_packet_set_size(ctx->pkt, buff_size);
}
memcpy(data, buf, length);
mpp_packet_set_length(ctx->pkt, length);
av1d_dbg_func("leave ctx %p\n", ctx);
return ret;
}
MPP_RET av1d_split_deinit(Av1CodecContext *ctx)
{
MPP_RET ret = MPP_OK;
(void)ctx;
av1d_dbg_func("enter ctx %p\n", ctx);
av1d_dbg_func("leave ctx %p\n", ctx);
return ret;
}
MPP_RET av1d_split_init(Av1CodecContext *ctx)
{
MPP_RET ret = MPP_OK;
(void)ctx;
av1d_dbg_func("enter ctx %p\n", ctx);
av1d_dbg_func("leave ctx %p\n", ctx);
return ret;
}
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