Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1286 insertions, 0 deletions

diff --git a/media/ffvpx/libavcodec/av1dec.c b/media/ffvpx/libavcodec/av1dec.c
new file mode 100644
index 0000000000..0c24eac842
--- /dev/null
+++ b/media/ffvpx/libavcodec/av1dec.c
@@ -0,0 +1,1286 @@
+/*
+ * 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 "decode.h"
+#include "hwconfig.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",
+    CODEC_LONG_NAME("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
+    },
+};