mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
21b23ceab3
and remove FF_CODEC_CAP_INIT_THREADSAFE All our native codecs are already init-threadsafe (only wrappers for external libraries and hwaccels are typically not marked as init-threadsafe yet), so it is only natural for this to also be the default state. Reviewed-by: Anton Khirnov <anton@khirnov.net> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
1287 lines
42 KiB
C
1287 lines
42 KiB
C
/*
|
|
* AV1 video decoder
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "config_components.h"
|
|
|
|
#include "libavutil/film_grain_params.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "libavutil/opt.h"
|
|
#include "avcodec.h"
|
|
#include "av1dec.h"
|
|
#include "bytestream.h"
|
|
#include "codec_internal.h"
|
|
#include "hwconfig.h"
|
|
#include "internal.h"
|
|
#include "profiles.h"
|
|
#include "thread.h"
|
|
|
|
/**< same with Div_Lut defined in spec 7.11.3.7 */
|
|
static const uint16_t div_lut[AV1_DIV_LUT_NUM] = {
|
|
16384, 16320, 16257, 16194, 16132, 16070, 16009, 15948, 15888, 15828, 15768,
|
|
15709, 15650, 15592, 15534, 15477, 15420, 15364, 15308, 15252, 15197, 15142,
|
|
15087, 15033, 14980, 14926, 14873, 14821, 14769, 14717, 14665, 14614, 14564,
|
|
14513, 14463, 14413, 14364, 14315, 14266, 14218, 14170, 14122, 14075, 14028,
|
|
13981, 13935, 13888, 13843, 13797, 13752, 13707, 13662, 13618, 13574, 13530,
|
|
13487, 13443, 13400, 13358, 13315, 13273, 13231, 13190, 13148, 13107, 13066,
|
|
13026, 12985, 12945, 12906, 12866, 12827, 12788, 12749, 12710, 12672, 12633,
|
|
12596, 12558, 12520, 12483, 12446, 12409, 12373, 12336, 12300, 12264, 12228,
|
|
12193, 12157, 12122, 12087, 12053, 12018, 11984, 11950, 11916, 11882, 11848,
|
|
11815, 11782, 11749, 11716, 11683, 11651, 11619, 11586, 11555, 11523, 11491,
|
|
11460, 11429, 11398, 11367, 11336, 11305, 11275, 11245, 11215, 11185, 11155,
|
|
11125, 11096, 11067, 11038, 11009, 10980, 10951, 10923, 10894, 10866, 10838,
|
|
10810, 10782, 10755, 10727, 10700, 10673, 10645, 10618, 10592, 10565, 10538,
|
|
10512, 10486, 10460, 10434, 10408, 10382, 10356, 10331, 10305, 10280, 10255,
|
|
10230, 10205, 10180, 10156, 10131, 10107, 10082, 10058, 10034, 10010, 9986,
|
|
9963, 9939, 9916, 9892, 9869, 9846, 9823, 9800, 9777, 9754, 9732,
|
|
9709, 9687, 9664, 9642, 9620, 9598, 9576, 9554, 9533, 9511, 9489,
|
|
9468, 9447, 9425, 9404, 9383, 9362, 9341, 9321, 9300, 9279, 9259,
|
|
9239, 9218, 9198, 9178, 9158, 9138, 9118, 9098, 9079, 9059, 9039,
|
|
9020, 9001, 8981, 8962, 8943, 8924, 8905, 8886, 8867, 8849, 8830,
|
|
8812, 8793, 8775, 8756, 8738, 8720, 8702, 8684, 8666, 8648, 8630,
|
|
8613, 8595, 8577, 8560, 8542, 8525, 8508, 8490, 8473, 8456, 8439,
|
|
8422, 8405, 8389, 8372, 8355, 8339, 8322, 8306, 8289, 8273, 8257,
|
|
8240, 8224, 8208, 8192
|
|
};
|
|
|
|
static uint32_t inverse_recenter(int r, uint32_t v)
|
|
{
|
|
if (v > 2 * r)
|
|
return v;
|
|
else if (v & 1)
|
|
return r - ((v + 1) >> 1);
|
|
else
|
|
return r + (v >> 1);
|
|
}
|
|
|
|
static uint32_t decode_unsigned_subexp_with_ref(uint32_t sub_exp,
|
|
int mx, int r)
|
|
{
|
|
if ((r << 1) <= mx) {
|
|
return inverse_recenter(r, sub_exp);
|
|
} else {
|
|
return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp);
|
|
}
|
|
}
|
|
|
|
static int32_t decode_signed_subexp_with_ref(uint32_t sub_exp, int low,
|
|
int high, int r)
|
|
{
|
|
int32_t x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low);
|
|
return x + low;
|
|
}
|
|
|
|
static void read_global_param(AV1DecContext *s, int type, int ref, int idx)
|
|
{
|
|
uint8_t primary_frame, prev_frame;
|
|
uint32_t abs_bits, prec_bits, round, prec_diff, sub, mx;
|
|
int32_t 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][idx];
|
|
else
|
|
prev_gm_param = s->ref[prev_frame].gm_params[ref][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][idx] =
|
|
(decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx],
|
|
-mx, mx + 1, r) << prec_diff) + round;
|
|
}
|
|
|
|
static uint64_t round_two(uint64_t x, uint16_t n)
|
|
{
|
|
if (n == 0)
|
|
return x;
|
|
return ((x + ((uint64_t)1 << (n - 1))) >> n);
|
|
}
|
|
|
|
static int64_t round_two_signed(int64_t x, uint16_t n)
|
|
{
|
|
return ((x<0) ? -((int64_t)round_two(-x, n)) : (int64_t)round_two(x, n));
|
|
}
|
|
|
|
/**
|
|
* Resolve divisor process.
|
|
* see spec 7.11.3.7
|
|
*/
|
|
static int16_t resolve_divisor(uint32_t d, uint16_t *shift)
|
|
{
|
|
int32_t e, f;
|
|
|
|
*shift = av_log2(d);
|
|
e = d - (1 << (*shift));
|
|
if (*shift > AV1_DIV_LUT_BITS)
|
|
f = round_two(e, *shift - AV1_DIV_LUT_BITS);
|
|
else
|
|
f = e << (AV1_DIV_LUT_BITS - (*shift));
|
|
|
|
*shift += AV1_DIV_LUT_PREC_BITS;
|
|
|
|
return div_lut[f];
|
|
}
|
|
|
|
/**
|
|
* check if global motion params is valid.
|
|
* see spec 7.11.3.6
|
|
*/
|
|
static uint8_t get_shear_params_valid(AV1DecContext *s, int idx)
|
|
{
|
|
int16_t alpha, beta, gamma, delta, divf, divs;
|
|
int64_t v, w;
|
|
int32_t *param = &s->cur_frame.gm_params[idx][0];
|
|
if (param[2] < 0)
|
|
return 0;
|
|
|
|
alpha = av_clip_int16(param[2] - (1 << AV1_WARPEDMODEL_PREC_BITS));
|
|
beta = av_clip_int16(param[3]);
|
|
divf = resolve_divisor(abs(param[2]), &divs);
|
|
v = (int64_t)param[4] * (1 << AV1_WARPEDMODEL_PREC_BITS);
|
|
w = (int64_t)param[3] * param[4];
|
|
gamma = av_clip_int16((int)round_two_signed((v * divf), divs));
|
|
delta = av_clip_int16(param[5] - (int)round_two_signed((w * divf), divs) - (1 << AV1_WARPEDMODEL_PREC_BITS));
|
|
|
|
alpha = round_two_signed(alpha, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
|
|
beta = round_two_signed(beta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
|
|
gamma = round_two_signed(gamma, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
|
|
delta = round_two_signed(delta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
|
|
|
|
if ((4 * abs(alpha) + 7 * abs(beta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS) ||
|
|
(4 * abs(gamma) + 4 * abs(delta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* 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(AV1DecContext *s)
|
|
{
|
|
const AV1RawFrameHeader *header = s->raw_frame_header;
|
|
int type, ref;
|
|
|
|
for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
|
|
s->cur_frame.gm_type[ref] = AV1_WARP_MODEL_IDENTITY;
|
|
for (int i = 0; i < 6; i++)
|
|
s->cur_frame.gm_params[ref][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_type[ref] = 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][4] = -s->cur_frame.gm_params[ref][3];
|
|
s->cur_frame.gm_params[ref][5] = s->cur_frame.gm_params[ref][2];
|
|
}
|
|
}
|
|
if (type >= AV1_WARP_MODEL_TRANSLATION) {
|
|
read_global_param(s, type, ref, 0);
|
|
read_global_param(s, type, ref, 1);
|
|
}
|
|
if (type <= AV1_WARP_MODEL_AFFINE) {
|
|
s->cur_frame.gm_invalid[ref] = !get_shear_params_valid(s, ref);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int get_relative_dist(const AV1RawSequenceHeader *seq,
|
|
unsigned int a, unsigned int b)
|
|
{
|
|
unsigned int diff = a - b;
|
|
unsigned int m = 1 << seq->order_hint_bits_minus_1;
|
|
return (diff & (m - 1)) - (diff & m);
|
|
}
|
|
|
|
static void skip_mode_params(AV1DecContext *s)
|
|
{
|
|
const AV1RawFrameHeader *header = s->raw_frame_header;
|
|
const AV1RawSequenceHeader *seq = s->raw_seq;
|
|
|
|
int forward_idx, backward_idx;
|
|
int forward_hint, backward_hint;
|
|
int second_forward_idx, second_forward_hint;
|
|
int ref_hint, dist, i;
|
|
|
|
if (!header->skip_mode_present)
|
|
return;
|
|
|
|
forward_idx = -1;
|
|
backward_idx = -1;
|
|
for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
|
|
ref_hint = s->ref[header->ref_frame_idx[i]].raw_frame_header->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 + FFMIN(forward_idx, backward_idx);
|
|
s->cur_frame.skip_mode_frame_idx[1] =
|
|
AV1_REF_FRAME_LAST + FFMAX(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]].raw_frame_header->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 + FFMIN(forward_idx, second_forward_idx);
|
|
s->cur_frame.skip_mode_frame_idx[1] =
|
|
AV1_REF_FRAME_LAST + FFMAX(forward_idx, second_forward_idx);
|
|
}
|
|
|
|
static void coded_lossless_param(AV1DecContext *s)
|
|
{
|
|
const AV1RawFrameHeader *header = s->raw_frame_header;
|
|
int 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++) {
|
|
int 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 = av_clip_uintp2(qindex, 8);
|
|
|
|
if (qindex) {
|
|
s->cur_frame.coded_lossless = 0;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void load_grain_params(AV1DecContext *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;
|
|
}
|
|
|
|
static int init_tile_data(AV1DecContext *s)
|
|
|
|
{
|
|
int cur_tile_num =
|
|
s->raw_frame_header->tile_cols * s->raw_frame_header->tile_rows;
|
|
if (s->tile_num < cur_tile_num) {
|
|
int ret = av_reallocp_array(&s->tile_group_info, cur_tile_num,
|
|
sizeof(TileGroupInfo));
|
|
if (ret < 0) {
|
|
s->tile_num = 0;
|
|
return ret;
|
|
}
|
|
}
|
|
s->tile_num = cur_tile_num;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_tiles_info(AVCodecContext *avctx, const AV1RawTileGroup *tile_group)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
GetByteContext gb;
|
|
uint16_t tile_num, tile_row, tile_col;
|
|
uint32_t size = 0, size_bytes = 0;
|
|
|
|
bytestream2_init(&gb, tile_group->tile_data.data,
|
|
tile_group->tile_data.data_size);
|
|
s->tg_start = tile_group->tg_start;
|
|
s->tg_end = tile_group->tg_end;
|
|
|
|
for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) {
|
|
tile_row = tile_num / s->raw_frame_header->tile_cols;
|
|
tile_col = tile_num % s->raw_frame_header->tile_cols;
|
|
|
|
if (tile_num == tile_group->tg_end) {
|
|
s->tile_group_info[tile_num].tile_size = bytestream2_get_bytes_left(&gb);
|
|
s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
|
|
s->tile_group_info[tile_num].tile_row = tile_row;
|
|
s->tile_group_info[tile_num].tile_column = tile_col;
|
|
return 0;
|
|
}
|
|
size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1;
|
|
if (bytestream2_get_bytes_left(&gb) < size_bytes)
|
|
return AVERROR_INVALIDDATA;
|
|
size = 0;
|
|
for (int i = 0; i < size_bytes; i++)
|
|
size |= bytestream2_get_byteu(&gb) << 8 * i;
|
|
if (bytestream2_get_bytes_left(&gb) <= size)
|
|
return AVERROR_INVALIDDATA;
|
|
size++;
|
|
|
|
s->tile_group_info[tile_num].tile_size = size;
|
|
s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
|
|
s->tile_group_info[tile_num].tile_row = tile_row;
|
|
s->tile_group_info[tile_num].tile_column = tile_col;
|
|
|
|
bytestream2_skipu(&gb, size);
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int get_pixel_format(AVCodecContext *avctx)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
const AV1RawSequenceHeader *seq = s->raw_seq;
|
|
uint8_t bit_depth;
|
|
int ret;
|
|
enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
|
|
#define HWACCEL_MAX (CONFIG_AV1_DXVA2_HWACCEL + \
|
|
CONFIG_AV1_D3D11VA_HWACCEL * 2 + \
|
|
CONFIG_AV1_NVDEC_HWACCEL + \
|
|
CONFIG_AV1_VAAPI_HWACCEL + \
|
|
CONFIG_AV1_VDPAU_HWACCEL)
|
|
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
|
|
|
|
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 {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"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) {
|
|
if (bit_depth == 8)
|
|
pix_fmt = AV_PIX_FMT_YUV444P;
|
|
else if (bit_depth == 10)
|
|
pix_fmt = AV_PIX_FMT_YUV444P10;
|
|
else if (bit_depth == 12)
|
|
pix_fmt = AV_PIX_FMT_YUV444P12;
|
|
else
|
|
av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
|
|
} else if (seq->color_config.subsampling_x == 1 &&
|
|
seq->color_config.subsampling_y == 0) {
|
|
if (bit_depth == 8)
|
|
pix_fmt = AV_PIX_FMT_YUV422P;
|
|
else if (bit_depth == 10)
|
|
pix_fmt = AV_PIX_FMT_YUV422P10;
|
|
else if (bit_depth == 12)
|
|
pix_fmt = AV_PIX_FMT_YUV422P12;
|
|
else
|
|
av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
|
|
} else if (seq->color_config.subsampling_x == 1 &&
|
|
seq->color_config.subsampling_y == 1) {
|
|
if (bit_depth == 8)
|
|
pix_fmt = AV_PIX_FMT_YUV420P;
|
|
else if (bit_depth == 10)
|
|
pix_fmt = AV_PIX_FMT_YUV420P10;
|
|
else if (bit_depth == 12)
|
|
pix_fmt = AV_PIX_FMT_YUV420P12;
|
|
else
|
|
av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
|
|
}
|
|
} else {
|
|
if (bit_depth == 8)
|
|
pix_fmt = AV_PIX_FMT_GRAY8;
|
|
else if (bit_depth == 10)
|
|
pix_fmt = AV_PIX_FMT_GRAY10;
|
|
else if (bit_depth == 12)
|
|
pix_fmt = AV_PIX_FMT_GRAY12;
|
|
else
|
|
av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "AV1 decode get format: %s.\n",
|
|
av_get_pix_fmt_name(pix_fmt));
|
|
|
|
if (pix_fmt == AV_PIX_FMT_NONE)
|
|
return -1;
|
|
|
|
switch (pix_fmt) {
|
|
case AV_PIX_FMT_YUV420P:
|
|
#if CONFIG_AV1_DXVA2_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_DXVA2_VLD;
|
|
#endif
|
|
#if CONFIG_AV1_D3D11VA_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
|
|
*fmtp++ = AV_PIX_FMT_D3D11;
|
|
#endif
|
|
#if CONFIG_AV1_NVDEC_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_CUDA;
|
|
#endif
|
|
#if CONFIG_AV1_VAAPI_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_VAAPI;
|
|
#endif
|
|
#if CONFIG_AV1_VDPAU_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_VDPAU;
|
|
#endif
|
|
break;
|
|
case AV_PIX_FMT_YUV420P10:
|
|
#if CONFIG_AV1_DXVA2_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_DXVA2_VLD;
|
|
#endif
|
|
#if CONFIG_AV1_D3D11VA_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
|
|
*fmtp++ = AV_PIX_FMT_D3D11;
|
|
#endif
|
|
#if CONFIG_AV1_NVDEC_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_CUDA;
|
|
#endif
|
|
#if CONFIG_AV1_VAAPI_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_VAAPI;
|
|
#endif
|
|
#if CONFIG_AV1_VDPAU_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_VDPAU;
|
|
#endif
|
|
break;
|
|
case AV_PIX_FMT_GRAY8:
|
|
#if CONFIG_AV1_NVDEC_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_CUDA;
|
|
#endif
|
|
break;
|
|
case AV_PIX_FMT_GRAY10:
|
|
#if CONFIG_AV1_NVDEC_HWACCEL
|
|
*fmtp++ = AV_PIX_FMT_CUDA;
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
*fmtp++ = pix_fmt;
|
|
*fmtp = AV_PIX_FMT_NONE;
|
|
|
|
ret = ff_thread_get_format(avctx, pix_fmts);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/**
|
|
* check if the HW accel is inited correctly. If not, return un-implemented.
|
|
* Since now the av1 decoder doesn't support native decode, if it will be
|
|
* implemented in the future, need remove this check.
|
|
*/
|
|
if (!avctx->hwaccel) {
|
|
av_log(avctx, AV_LOG_ERROR, "Your platform doesn't suppport"
|
|
" hardware accelerated AV1 decoding.\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
s->pix_fmt = pix_fmt;
|
|
avctx->pix_fmt = ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void av1_frame_unref(AVCodecContext *avctx, AV1Frame *f)
|
|
{
|
|
ff_thread_release_buffer(avctx, f->f);
|
|
av_buffer_unref(&f->hwaccel_priv_buf);
|
|
f->hwaccel_picture_private = NULL;
|
|
av_buffer_unref(&f->header_ref);
|
|
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;
|
|
}
|
|
|
|
static int av1_frame_ref(AVCodecContext *avctx, AV1Frame *dst, const AV1Frame *src)
|
|
{
|
|
int ret;
|
|
|
|
ret = av_buffer_replace(&dst->header_ref, src->header_ref);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
dst->raw_frame_header = src->raw_frame_header;
|
|
|
|
if (!src->f->buf[0])
|
|
return 0;
|
|
|
|
ret = av_frame_ref(dst->f, src->f);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
if (src->hwaccel_picture_private) {
|
|
dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
|
|
if (!dst->hwaccel_priv_buf)
|
|
goto fail;
|
|
dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
|
|
}
|
|
|
|
dst->spatial_id = src->spatial_id;
|
|
dst->temporal_id = src->temporal_id;
|
|
memcpy(dst->gm_invalid,
|
|
src->gm_invalid,
|
|
AV1_NUM_REF_FRAMES * sizeof(uint8_t));
|
|
memcpy(dst->gm_type,
|
|
src->gm_type,
|
|
AV1_NUM_REF_FRAMES * sizeof(uint8_t));
|
|
memcpy(dst->gm_params,
|
|
src->gm_params,
|
|
AV1_NUM_REF_FRAMES * 6 * sizeof(int32_t));
|
|
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;
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
av1_frame_unref(avctx, dst);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
static av_cold int av1_decode_free(AVCodecContext *avctx)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
|
|
for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
|
|
av1_frame_unref(avctx, &s->ref[i]);
|
|
av_frame_free(&s->ref[i].f);
|
|
}
|
|
av1_frame_unref(avctx, &s->cur_frame);
|
|
av_frame_free(&s->cur_frame.f);
|
|
|
|
av_buffer_unref(&s->seq_ref);
|
|
av_buffer_unref(&s->header_ref);
|
|
av_freep(&s->tile_group_info);
|
|
|
|
ff_cbs_fragment_free(&s->current_obu);
|
|
ff_cbs_close(&s->cbc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_context_with_sequence(AVCodecContext *avctx,
|
|
const AV1RawSequenceHeader *seq)
|
|
{
|
|
int width = seq->max_frame_width_minus_1 + 1;
|
|
int height = seq->max_frame_height_minus_1 + 1;
|
|
|
|
avctx->profile = seq->seq_profile;
|
|
avctx->level = seq->seq_level_idx[0];
|
|
|
|
avctx->color_range =
|
|
seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
|
|
avctx->color_primaries = seq->color_config.color_primaries;
|
|
avctx->colorspace = seq->color_config.color_primaries;
|
|
avctx->color_trc = seq->color_config.transfer_characteristics;
|
|
|
|
switch (seq->color_config.chroma_sample_position) {
|
|
case AV1_CSP_VERTICAL:
|
|
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
|
|
break;
|
|
case AV1_CSP_COLOCATED:
|
|
avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
|
|
break;
|
|
}
|
|
|
|
if (seq->film_grain_params_present)
|
|
avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
|
|
else
|
|
avctx->properties &= ~FF_CODEC_PROPERTY_FILM_GRAIN;
|
|
|
|
if (avctx->width != width || avctx->height != height) {
|
|
int ret = ff_set_dimensions(avctx, width, height);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
avctx->sample_aspect_ratio = (AVRational) { 1, 1 };
|
|
|
|
if (seq->timing_info.num_units_in_display_tick &&
|
|
seq->timing_info.time_scale) {
|
|
av_reduce(&avctx->framerate.den, &avctx->framerate.num,
|
|
seq->timing_info.num_units_in_display_tick,
|
|
seq->timing_info.time_scale,
|
|
INT_MAX);
|
|
if (seq->timing_info.equal_picture_interval)
|
|
avctx->ticks_per_frame = seq->timing_info.num_ticks_per_picture_minus_1 + 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int update_context_with_frame_header(AVCodecContext *avctx,
|
|
const AV1RawFrameHeader *header)
|
|
{
|
|
AVRational aspect_ratio;
|
|
int width = header->frame_width_minus_1 + 1;
|
|
int height = header->frame_height_minus_1 + 1;
|
|
int r_width = header->render_width_minus_1 + 1;
|
|
int r_height = header->render_height_minus_1 + 1;
|
|
int ret;
|
|
|
|
if (avctx->width != width || avctx->height != height) {
|
|
ret = ff_set_dimensions(avctx, width, height);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
av_reduce(&aspect_ratio.num, &aspect_ratio.den,
|
|
(int64_t)height * r_width,
|
|
(int64_t)width * r_height,
|
|
INT_MAX);
|
|
|
|
if (av_cmp_q(avctx->sample_aspect_ratio, aspect_ratio)) {
|
|
ret = ff_set_sar(avctx, aspect_ratio);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int av1_decode_init(AVCodecContext *avctx)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
AV1RawSequenceHeader *seq;
|
|
int ret;
|
|
|
|
s->avctx = avctx;
|
|
s->pix_fmt = AV_PIX_FMT_NONE;
|
|
|
|
for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
|
|
s->ref[i].f = av_frame_alloc();
|
|
if (!s->ref[i].f) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Failed to allocate reference frame buffer %d.\n", i);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
}
|
|
|
|
s->cur_frame.f = av_frame_alloc();
|
|
if (!s->cur_frame.f) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Failed to allocate current frame buffer.\n");
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
ret = ff_cbs_init(&s->cbc, AV_CODEC_ID_AV1, avctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
av_opt_set_int(s->cbc->priv_data, "operating_point", s->operating_point, 0);
|
|
|
|
if (avctx->extradata && avctx->extradata_size) {
|
|
ret = ff_cbs_read_extradata_from_codec(s->cbc,
|
|
&s->current_obu,
|
|
avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Failed to read extradata.\n");
|
|
return ret;
|
|
}
|
|
|
|
seq = ((CodedBitstreamAV1Context *)(s->cbc->priv_data))->sequence_header;
|
|
if (!seq) {
|
|
av_log(avctx, AV_LOG_WARNING, "No sequence header available.\n");
|
|
goto end;
|
|
}
|
|
|
|
ret = set_context_with_sequence(avctx, seq);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Failed to set decoder context.\n");
|
|
goto end;
|
|
}
|
|
|
|
end:
|
|
ff_cbs_fragment_reset(&s->current_obu);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int av1_frame_alloc(AVCodecContext *avctx, AV1Frame *f)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
AV1RawFrameHeader *header= s->raw_frame_header;
|
|
AVFrame *frame;
|
|
int ret;
|
|
|
|
ret = update_context_with_frame_header(avctx, header);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to update context with frame header\n");
|
|
return ret;
|
|
}
|
|
|
|
if ((ret = ff_thread_get_buffer(avctx, f->f, AV_GET_BUFFER_FLAG_REF)) < 0)
|
|
goto fail;
|
|
|
|
frame = f->f;
|
|
frame->key_frame = header->frame_type == AV1_FRAME_KEY;
|
|
|
|
switch (header->frame_type) {
|
|
case AV1_FRAME_KEY:
|
|
case AV1_FRAME_INTRA_ONLY:
|
|
frame->pict_type = AV_PICTURE_TYPE_I;
|
|
break;
|
|
case AV1_FRAME_INTER:
|
|
frame->pict_type = AV_PICTURE_TYPE_P;
|
|
break;
|
|
case AV1_FRAME_SWITCH:
|
|
frame->pict_type = AV_PICTURE_TYPE_SP;
|
|
break;
|
|
}
|
|
|
|
if (avctx->hwaccel) {
|
|
const AVHWAccel *hwaccel = avctx->hwaccel;
|
|
if (hwaccel->frame_priv_data_size) {
|
|
f->hwaccel_priv_buf =
|
|
av_buffer_allocz(hwaccel->frame_priv_data_size);
|
|
if (!f->hwaccel_priv_buf) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
fail:
|
|
av1_frame_unref(avctx, f);
|
|
return ret;
|
|
}
|
|
|
|
static int export_film_grain(AVCodecContext *avctx, AVFrame *frame)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
|
|
AVFilmGrainParams *fgp;
|
|
AVFilmGrainAOMParams *aom;
|
|
|
|
if (!film_grain->apply_grain)
|
|
return 0;
|
|
|
|
fgp = av_film_grain_params_create_side_data(frame);
|
|
if (!fgp)
|
|
return AVERROR(ENOMEM);
|
|
|
|
fgp->type = AV_FILM_GRAIN_PARAMS_AV1;
|
|
fgp->seed = film_grain->grain_seed;
|
|
|
|
aom = &fgp->codec.aom;
|
|
aom->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma;
|
|
aom->scaling_shift = film_grain->grain_scaling_minus_8 + 8;
|
|
aom->ar_coeff_lag = film_grain->ar_coeff_lag;
|
|
aom->ar_coeff_shift = film_grain->ar_coeff_shift_minus_6 + 6;
|
|
aom->grain_scale_shift = film_grain->grain_scale_shift;
|
|
aom->overlap_flag = film_grain->overlap_flag;
|
|
aom->limit_output_range = film_grain->clip_to_restricted_range;
|
|
|
|
aom->num_y_points = film_grain->num_y_points;
|
|
for (int i = 0; i < film_grain->num_y_points; i++) {
|
|
aom->y_points[i][0] = film_grain->point_y_value[i];
|
|
aom->y_points[i][1] = film_grain->point_y_scaling[i];
|
|
}
|
|
aom->num_uv_points[0] = film_grain->num_cb_points;
|
|
for (int i = 0; i < film_grain->num_cb_points; i++) {
|
|
aom->uv_points[0][i][0] = film_grain->point_cb_value[i];
|
|
aom->uv_points[0][i][1] = film_grain->point_cb_scaling[i];
|
|
}
|
|
aom->num_uv_points[1] = film_grain->num_cr_points;
|
|
for (int i = 0; i < film_grain->num_cr_points; i++) {
|
|
aom->uv_points[1][i][0] = film_grain->point_cr_value[i];
|
|
aom->uv_points[1][i][1] = film_grain->point_cr_scaling[i];
|
|
}
|
|
|
|
for (int i = 0; i < 24; i++) {
|
|
aom->ar_coeffs_y[i] = film_grain->ar_coeffs_y_plus_128[i] - 128;
|
|
}
|
|
for (int i = 0; i < 25; i++) {
|
|
aom->ar_coeffs_uv[0][i] = film_grain->ar_coeffs_cb_plus_128[i] - 128;
|
|
aom->ar_coeffs_uv[1][i] = film_grain->ar_coeffs_cr_plus_128[i] - 128;
|
|
}
|
|
|
|
aom->uv_mult[0] = film_grain->cb_mult;
|
|
aom->uv_mult[1] = film_grain->cr_mult;
|
|
aom->uv_mult_luma[0] = film_grain->cb_luma_mult;
|
|
aom->uv_mult_luma[1] = film_grain->cr_luma_mult;
|
|
aom->uv_offset[0] = film_grain->cb_offset;
|
|
aom->uv_offset[1] = film_grain->cr_offset;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_output_frame(AVCodecContext *avctx, AVFrame *frame,
|
|
const AVPacket *pkt, int *got_frame)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
const AVFrame *srcframe = s->cur_frame.f;
|
|
int ret;
|
|
|
|
// TODO: all layers
|
|
if (s->operating_point_idc &&
|
|
av_log2(s->operating_point_idc >> 8) > s->cur_frame.spatial_id)
|
|
return 0;
|
|
|
|
ret = av_frame_ref(frame, srcframe);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) {
|
|
ret = export_film_grain(avctx, frame);
|
|
if (ret < 0) {
|
|
av_frame_unref(frame);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
frame->pts = pkt->pts;
|
|
frame->pkt_dts = pkt->dts;
|
|
frame->pkt_size = pkt->size;
|
|
|
|
*got_frame = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int update_reference_list(AVCodecContext *avctx)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
const AV1RawFrameHeader *header = s->raw_frame_header;
|
|
int ret;
|
|
|
|
for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
|
|
if (header->refresh_frame_flags & (1 << i)) {
|
|
av1_frame_unref(avctx, &s->ref[i]);
|
|
if ((ret = av1_frame_ref(avctx, &s->ref[i], &s->cur_frame)) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Failed to update frame %d in reference list\n", i);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int get_current_frame(AVCodecContext *avctx)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
int ret;
|
|
|
|
av1_frame_unref(avctx, &s->cur_frame);
|
|
|
|
s->cur_frame.header_ref = av_buffer_ref(s->header_ref);
|
|
if (!s->cur_frame.header_ref)
|
|
return AVERROR(ENOMEM);
|
|
|
|
s->cur_frame.raw_frame_header = s->raw_frame_header;
|
|
|
|
ret = init_tile_data(s);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to init tile data.\n");
|
|
return ret;
|
|
}
|
|
|
|
if ((avctx->skip_frame >= AVDISCARD_NONINTRA &&
|
|
(s->raw_frame_header->frame_type != AV1_FRAME_KEY &&
|
|
s->raw_frame_header->frame_type != AV1_FRAME_INTRA_ONLY)) ||
|
|
(avctx->skip_frame >= AVDISCARD_NONKEY &&
|
|
s->raw_frame_header->frame_type != AV1_FRAME_KEY) ||
|
|
avctx->skip_frame >= AVDISCARD_ALL)
|
|
return 0;
|
|
|
|
ret = av1_frame_alloc(avctx, &s->cur_frame);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Failed to allocate space for current frame.\n");
|
|
return ret;
|
|
}
|
|
|
|
global_motion_params(s);
|
|
skip_mode_params(s);
|
|
coded_lossless_param(s);
|
|
load_grain_params(s);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int av1_decode_frame(AVCodecContext *avctx, AVFrame *frame,
|
|
int *got_frame, AVPacket *pkt)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
AV1RawTileGroup *raw_tile_group = NULL;
|
|
int ret;
|
|
|
|
ret = ff_cbs_read_packet(s->cbc, &s->current_obu, pkt);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n");
|
|
goto end;
|
|
}
|
|
av_log(avctx, AV_LOG_DEBUG, "Total obu for this frame:%d.\n",
|
|
s->current_obu.nb_units);
|
|
|
|
for (int i = 0; i < s->current_obu.nb_units; i++) {
|
|
CodedBitstreamUnit *unit = &s->current_obu.units[i];
|
|
AV1RawOBU *obu = unit->content;
|
|
const AV1RawOBUHeader *header;
|
|
|
|
if (!obu)
|
|
continue;
|
|
|
|
header = &obu->header;
|
|
av_log(avctx, AV_LOG_DEBUG, "Obu idx:%d, obu type:%d.\n", i, unit->type);
|
|
|
|
switch (unit->type) {
|
|
case AV1_OBU_SEQUENCE_HEADER:
|
|
av_buffer_unref(&s->seq_ref);
|
|
s->seq_ref = av_buffer_ref(unit->content_ref);
|
|
if (!s->seq_ref) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto end;
|
|
}
|
|
|
|
s->raw_seq = &obu->obu.sequence_header;
|
|
|
|
ret = set_context_with_sequence(avctx, s->raw_seq);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to set context.\n");
|
|
s->raw_seq = NULL;
|
|
goto end;
|
|
}
|
|
|
|
s->operating_point_idc = s->raw_seq->operating_point_idc[s->operating_point];
|
|
|
|
if (s->pix_fmt == AV_PIX_FMT_NONE) {
|
|
ret = get_pixel_format(avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Failed to get pixel format.\n");
|
|
s->raw_seq = NULL;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (avctx->hwaccel && avctx->hwaccel->decode_params) {
|
|
ret = avctx->hwaccel->decode_params(avctx, unit->type, unit->data,
|
|
unit->data_size);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n");
|
|
s->raw_seq = 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->raw_seq) {
|
|
av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n");
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto end;
|
|
}
|
|
|
|
av_buffer_unref(&s->header_ref);
|
|
s->header_ref = av_buffer_ref(unit->content_ref);
|
|
if (!s->header_ref) {
|
|
ret = AVERROR(ENOMEM);
|
|
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) {
|
|
av1_frame_unref(avctx, &s->cur_frame);
|
|
|
|
ret = av1_frame_ref(avctx, &s->cur_frame,
|
|
&s->ref[s->raw_frame_header->frame_to_show_map_idx]);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to get reference frame.\n");
|
|
goto end;
|
|
}
|
|
|
|
ret = update_reference_list(avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
|
|
goto end;
|
|
}
|
|
|
|
if (s->cur_frame.f->buf[0]) {
|
|
ret = set_output_frame(avctx, frame, pkt, got_frame);
|
|
if (ret < 0)
|
|
av_log(avctx, AV_LOG_ERROR, "Set output frame error.\n");
|
|
}
|
|
|
|
s->raw_frame_header = NULL;
|
|
|
|
goto end;
|
|
}
|
|
|
|
ret = get_current_frame(avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Get current frame error\n");
|
|
goto end;
|
|
}
|
|
|
|
s->cur_frame.spatial_id = header->spatial_id;
|
|
s->cur_frame.temporal_id = header->temporal_id;
|
|
|
|
if (avctx->hwaccel && s->cur_frame.f->buf[0]) {
|
|
ret = avctx->hwaccel->start_frame(avctx, unit->data,
|
|
unit->data_size);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "HW accel start frame fail.\n");
|
|
goto end;
|
|
}
|
|
}
|
|
if (unit->type != AV1_OBU_FRAME)
|
|
break;
|
|
// fall-through
|
|
case AV1_OBU_TILE_GROUP:
|
|
if (!s->raw_frame_header) {
|
|
av_log(avctx, AV_LOG_ERROR, "Missing Frame Header.\n");
|
|
ret = AVERROR_INVALIDDATA;
|
|
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(avctx, raw_tile_group);
|
|
if (ret < 0)
|
|
goto end;
|
|
|
|
if (avctx->hwaccel && s->cur_frame.f->buf[0]) {
|
|
ret = avctx->hwaccel->decode_slice(avctx,
|
|
raw_tile_group->tile_data.data,
|
|
raw_tile_group->tile_data.data_size);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"HW accel decode slice fail.\n");
|
|
goto end;
|
|
}
|
|
}
|
|
break;
|
|
case AV1_OBU_TILE_LIST:
|
|
case AV1_OBU_TEMPORAL_DELIMITER:
|
|
case AV1_OBU_PADDING:
|
|
case AV1_OBU_METADATA:
|
|
break;
|
|
default:
|
|
av_log(avctx, AV_LOG_DEBUG,
|
|
"Unknown obu type: %d (%"SIZE_SPECIFIER" bits).\n",
|
|
unit->type, unit->data_size);
|
|
}
|
|
|
|
if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) {
|
|
if (avctx->hwaccel && s->cur_frame.f->buf[0]) {
|
|
ret = avctx->hwaccel->end_frame(avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "HW accel end frame fail.\n");
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
ret = update_reference_list(avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
|
|
goto end;
|
|
}
|
|
|
|
if (s->raw_frame_header->show_frame && s->cur_frame.f->buf[0]) {
|
|
ret = set_output_frame(avctx, frame, pkt, got_frame);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Set output frame error\n");
|
|
goto end;
|
|
}
|
|
}
|
|
raw_tile_group = NULL;
|
|
s->raw_frame_header = NULL;
|
|
}
|
|
}
|
|
|
|
end:
|
|
ff_cbs_fragment_reset(&s->current_obu);
|
|
if (ret < 0)
|
|
s->raw_frame_header = NULL;
|
|
return ret;
|
|
}
|
|
|
|
static void av1_decode_flush(AVCodecContext *avctx)
|
|
{
|
|
AV1DecContext *s = avctx->priv_data;
|
|
|
|
for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++)
|
|
av1_frame_unref(avctx, &s->ref[i]);
|
|
|
|
av1_frame_unref(avctx, &s->cur_frame);
|
|
s->operating_point_idc = 0;
|
|
s->raw_frame_header = NULL;
|
|
s->raw_seq = NULL;
|
|
|
|
ff_cbs_flush(s->cbc);
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(AV1DecContext, x)
|
|
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
|
|
static const AVOption av1_options[] = {
|
|
{ "operating_point", "Select an operating point of the scalable bitstream",
|
|
OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, AV1_MAX_OPERATING_POINTS - 1, VD },
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVClass av1_class = {
|
|
.class_name = "AV1 decoder",
|
|
.item_name = av_default_item_name,
|
|
.option = av1_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
const FFCodec ff_av1_decoder = {
|
|
.p.name = "av1",
|
|
.p.long_name = NULL_IF_CONFIG_SMALL("Alliance for Open Media AV1"),
|
|
.p.type = AVMEDIA_TYPE_VIDEO,
|
|
.p.id = AV_CODEC_ID_AV1,
|
|
.priv_data_size = sizeof(AV1DecContext),
|
|
.init = av1_decode_init,
|
|
.close = av1_decode_free,
|
|
FF_CODEC_DECODE_CB(av1_decode_frame),
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING,
|
|
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP |
|
|
FF_CODEC_CAP_SETS_PKT_DTS,
|
|
.flush = av1_decode_flush,
|
|
.p.profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
|
|
.p.priv_class = &av1_class,
|
|
.bsfs = "av1_frame_split",
|
|
.hw_configs = (const AVCodecHWConfigInternal *const []) {
|
|
#if CONFIG_AV1_DXVA2_HWACCEL
|
|
HWACCEL_DXVA2(av1),
|
|
#endif
|
|
#if CONFIG_AV1_D3D11VA_HWACCEL
|
|
HWACCEL_D3D11VA(av1),
|
|
#endif
|
|
#if CONFIG_AV1_D3D11VA2_HWACCEL
|
|
HWACCEL_D3D11VA2(av1),
|
|
#endif
|
|
#if CONFIG_AV1_NVDEC_HWACCEL
|
|
HWACCEL_NVDEC(av1),
|
|
#endif
|
|
#if CONFIG_AV1_VAAPI_HWACCEL
|
|
HWACCEL_VAAPI(av1),
|
|
#endif
|
|
#if CONFIG_AV1_VDPAU_HWACCEL
|
|
HWACCEL_VDPAU(av1),
|
|
#endif
|
|
|
|
NULL
|
|
},
|
|
};
|