Adding upstream version 110.0.1.upstream/110.0.1upstream

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

1 files changed, 601 insertions, 0 deletions

diff --git a/media/ffvpx/libavcodec/libdav1d.c b/media/ffvpx/libavcodec/libdav1d.c
new file mode 100644
index 0000000000..028929404e
--- /dev/null
+++ b/media/ffvpx/libavcodec/libdav1d.c
@@ -0,0 +1,601 @@
+/*
+ * Copyright (c) 2018 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (c) 2018 James Almer <jamrial gmail com>
+ *
+ * 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 <dav1d/dav1d.h>
+
+#include "libavutil/avassert.h"
+#include "libavutil/cpu.h"
+#include "libavutil/film_grain_params.h"
+#include "libavutil/mastering_display_metadata.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/opt.h"
+
+#include "atsc_a53.h"
+#include "avcodec.h"
+#include "bytestream.h"
+#include "codec_internal.h"
+#include "decode.h"
+#include "internal.h"
+
+#define FF_DAV1D_VERSION_AT_LEAST(x,y) \
+    (DAV1D_API_VERSION_MAJOR > (x) || DAV1D_API_VERSION_MAJOR == (x) && DAV1D_API_VERSION_MINOR >= (y))
+
+typedef struct Libdav1dContext {
+    AVClass *class;
+    Dav1dContext *c;
+    /* This packet coincides with AVCodecInternal.in_pkt
+     * and is not owned by us. */
+    AVPacket *pkt;
+    AVBufferPool *pool;
+    int pool_size;
+
+    Dav1dData data;
+    int tile_threads;
+    int frame_threads;
+    int max_frame_delay;
+    int apply_grain;
+    int operating_point;
+    int all_layers;
+} Libdav1dContext;
+
+static const enum AVPixelFormat pix_fmt[][3] = {
+    [DAV1D_PIXEL_LAYOUT_I400] = { AV_PIX_FMT_GRAY8,   AV_PIX_FMT_GRAY10,    AV_PIX_FMT_GRAY12 },
+    [DAV1D_PIXEL_LAYOUT_I420] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12 },
+    [DAV1D_PIXEL_LAYOUT_I422] = { AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12 },
+    [DAV1D_PIXEL_LAYOUT_I444] = { AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12 },
+};
+
+static const enum AVPixelFormat pix_fmt_rgb[3] = {
+    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12,
+};
+
+static void libdav1d_log_callback(void *opaque, const char *fmt, va_list vl)
+{
+    AVCodecContext *c = opaque;
+
+    av_vlog(c, AV_LOG_ERROR, fmt, vl);
+}
+
+static int libdav1d_picture_allocator(Dav1dPicture *p, void *cookie)
+{
+    Libdav1dContext *dav1d = cookie;
+    enum AVPixelFormat format = pix_fmt[p->p.layout][p->seq_hdr->hbd];
+    int ret, linesize[4], h = FFALIGN(p->p.h, 128), w = FFALIGN(p->p.w, 128);
+    uint8_t *aligned_ptr, *data[4];
+    AVBufferRef *buf;
+
+    ret = av_image_get_buffer_size(format, w, h, DAV1D_PICTURE_ALIGNMENT);
+    if (ret < 0)
+        return ret;
+
+    if (ret != dav1d->pool_size) {
+        av_buffer_pool_uninit(&dav1d->pool);
+        // Use twice the amount of required padding bytes for aligned_ptr below.
+        dav1d->pool = av_buffer_pool_init(ret + DAV1D_PICTURE_ALIGNMENT * 2, NULL);
+        if (!dav1d->pool) {
+            dav1d->pool_size = 0;
+            return AVERROR(ENOMEM);
+        }
+        dav1d->pool_size = ret;
+    }
+    buf = av_buffer_pool_get(dav1d->pool);
+    if (!buf)
+        return AVERROR(ENOMEM);
+
+    // libdav1d requires DAV1D_PICTURE_ALIGNMENT aligned buffers, which av_malloc()
+    // doesn't guarantee for example when AVX is disabled at configure time.
+    // Use the extra DAV1D_PICTURE_ALIGNMENT padding bytes in the buffer to align it
+    // if required.
+    aligned_ptr = (uint8_t *)FFALIGN((uintptr_t)buf->data, DAV1D_PICTURE_ALIGNMENT);
+    ret = av_image_fill_arrays(data, linesize, aligned_ptr, format, w, h,
+                               DAV1D_PICTURE_ALIGNMENT);
+    if (ret < 0) {
+        av_buffer_unref(&buf);
+        return ret;
+    }
+
+    p->data[0] = data[0];
+    p->data[1] = data[1];
+    p->data[2] = data[2];
+    p->stride[0] = linesize[0];
+    p->stride[1] = linesize[1];
+    p->allocator_data = buf;
+
+    return 0;
+}
+
+static void libdav1d_picture_release(Dav1dPicture *p, void *cookie)
+{
+    AVBufferRef *buf = p->allocator_data;
+
+    av_buffer_unref(&buf);
+}
+
+static void libdav1d_init_params(AVCodecContext *c, const Dav1dSequenceHeader *seq)
+{
+    c->profile = seq->profile;
+    c->level = ((seq->operating_points[0].major_level - 2) << 2)
+               | seq->operating_points[0].minor_level;
+
+    switch (seq->chr) {
+    case DAV1D_CHR_VERTICAL:
+        c->chroma_sample_location = AVCHROMA_LOC_LEFT;
+        break;
+    case DAV1D_CHR_COLOCATED:
+        c->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
+        break;
+    }
+    c->colorspace = (enum AVColorSpace) seq->mtrx;
+    c->color_primaries = (enum AVColorPrimaries) seq->pri;
+    c->color_trc = (enum AVColorTransferCharacteristic) seq->trc;
+    c->color_range = seq->color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
+
+    if (seq->layout == DAV1D_PIXEL_LAYOUT_I444 &&
+        seq->mtrx == DAV1D_MC_IDENTITY &&
+        seq->pri  == DAV1D_COLOR_PRI_BT709 &&
+        seq->trc  == DAV1D_TRC_SRGB)
+        c->pix_fmt = pix_fmt_rgb[seq->hbd];
+    else
+        c->pix_fmt = pix_fmt[seq->layout][seq->hbd];
+
+    if (seq->num_units_in_tick && seq->time_scale) {
+        av_reduce(&c->framerate.den, &c->framerate.num,
+                  seq->num_units_in_tick, seq->time_scale, INT_MAX);
+        if (seq->equal_picture_interval)
+            c->ticks_per_frame = seq->num_ticks_per_picture;
+    }
+
+   if (seq->film_grain_present)
+       c->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
+   else
+       c->properties &= ~FF_CODEC_PROPERTY_FILM_GRAIN;
+}
+
+static av_cold int libdav1d_parse_extradata(AVCodecContext *c)
+{
+    Dav1dSequenceHeader seq;
+    size_t offset = 0;
+    int res;
+
+    if (!c->extradata || c->extradata_size <= 0)
+        return 0;
+
+    if (c->extradata[0] & 0x80) {
+        int version = c->extradata[0] & 0x7F;
+
+        if (version != 1 || c->extradata_size < 4) {
+            int explode = !!(c->err_recognition & AV_EF_EXPLODE);
+            av_log(c, explode ? AV_LOG_ERROR : AV_LOG_WARNING,
+                   "Error decoding extradata\n");
+            return explode ? AVERROR_INVALIDDATA : 0;
+        }
+
+        // Do nothing if there are no configOBUs to parse
+        if (c->extradata_size == 4)
+            return 0;
+
+        offset = 4;
+    }
+
+    res = dav1d_parse_sequence_header(&seq, c->extradata + offset,
+                                      c->extradata_size  - offset);
+    if (res < 0)
+        return 0; // Assume no seqhdr OBUs are present
+
+    libdav1d_init_params(c, &seq);
+    res = ff_set_dimensions(c, seq.max_width, seq.max_height);
+    if (res < 0)
+        return res;
+
+    return 0;
+}
+
+static av_cold int libdav1d_init(AVCodecContext *c)
+{
+    Libdav1dContext *dav1d = c->priv_data;
+    Dav1dSettings s;
+#if FF_DAV1D_VERSION_AT_LEAST(6,0)
+    int threads = c->thread_count;
+#else
+    int threads = (c->thread_count ? c->thread_count : av_cpu_count()) * 3 / 2;
+#endif
+    int res;
+
+    dav1d->pkt = c->internal->in_pkt;
+
+    av_log(c, AV_LOG_INFO, "libdav1d %s\n", dav1d_version());
+
+    dav1d_default_settings(&s);
+    s.logger.cookie = c;
+    s.logger.callback = libdav1d_log_callback;
+    s.allocator.cookie = dav1d;
+    s.allocator.alloc_picture_callback = libdav1d_picture_allocator;
+    s.allocator.release_picture_callback = libdav1d_picture_release;
+    s.frame_size_limit = c->max_pixels;
+    if (dav1d->apply_grain >= 0)
+        s.apply_grain = dav1d->apply_grain;
+    else
+        s.apply_grain = !(c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN);
+
+    s.all_layers = dav1d->all_layers;
+    if (dav1d->operating_point >= 0)
+        s.operating_point = dav1d->operating_point;
+#if FF_DAV1D_VERSION_AT_LEAST(6,2)
+    s.strict_std_compliance = c->strict_std_compliance > 0;
+#endif
+
+#if FF_DAV1D_VERSION_AT_LEAST(6,0)
+    if (dav1d->frame_threads || dav1d->tile_threads)
+        s.n_threads = FFMAX(dav1d->frame_threads, dav1d->tile_threads);
+    else
+        s.n_threads = FFMIN(threads, DAV1D_MAX_THREADS);
+    if (dav1d->max_frame_delay > 0 && (c->flags & AV_CODEC_FLAG_LOW_DELAY))
+        av_log(c, AV_LOG_WARNING, "Low delay mode requested, forcing max_frame_delay 1\n");
+    s.max_frame_delay = (c->flags & AV_CODEC_FLAG_LOW_DELAY) ? 1 : dav1d->max_frame_delay;
+    av_log(c, AV_LOG_DEBUG, "Using %d threads, %d max_frame_delay\n",
+           s.n_threads, s.max_frame_delay);
+#else
+    s.n_tile_threads = dav1d->tile_threads
+                     ? dav1d->tile_threads
+                     : FFMIN(floor(sqrt(threads)), DAV1D_MAX_TILE_THREADS);
+    s.n_frame_threads = dav1d->frame_threads
+                      ? dav1d->frame_threads
+                      : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
+    if (dav1d->max_frame_delay > 0)
+        s.n_frame_threads = FFMIN(s.n_frame_threads, dav1d->max_frame_delay);
+    av_log(c, AV_LOG_DEBUG, "Using %d frame threads, %d tile threads\n",
+           s.n_frame_threads, s.n_tile_threads);
+#endif
+
+    res = libdav1d_parse_extradata(c);
+    if (res < 0)
+        return res;
+
+    res = dav1d_open(&dav1d->c, &s);
+    if (res < 0)
+        return AVERROR(ENOMEM);
+
+    return 0;
+}
+
+static void libdav1d_flush(AVCodecContext *c)
+{
+    Libdav1dContext *dav1d = c->priv_data;
+
+    dav1d_data_unref(&dav1d->data);
+    dav1d_flush(dav1d->c);
+}
+
+static void libdav1d_data_free(const uint8_t *data, void *opaque) {
+    AVBufferRef *buf = opaque;
+
+    av_buffer_unref(&buf);
+}
+
+static void libdav1d_user_data_free(const uint8_t *data, void *opaque) {
+    av_assert0(data == opaque);
+    av_free(opaque);
+}
+
+static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame)
+{
+    Libdav1dContext *dav1d = c->priv_data;
+    Dav1dData *data = &dav1d->data;
+    Dav1dPicture pic = { 0 }, *p = &pic;
+#if FF_DAV1D_VERSION_AT_LEAST(5,1)
+    enum Dav1dEventFlags event_flags = 0;
+#endif
+    int res;
+
+    if (!data->sz) {
+        AVPacket *const pkt = dav1d->pkt;
+
+        res = ff_decode_get_packet(c, pkt);
+        if (res < 0 && res != AVERROR_EOF)
+            return res;
+
+        if (pkt->size) {
+            res = dav1d_data_wrap(data, pkt->data, pkt->size,
+                                  libdav1d_data_free, pkt->buf);
+            if (res < 0) {
+                av_packet_unref(pkt);
+                return res;
+            }
+
+            data->m.timestamp = pkt->pts;
+            data->m.offset    = pkt->pos;
+            data->m.duration  = pkt->duration;
+
+            pkt->buf = NULL;
+            av_packet_unref(pkt);
+
+            if (c->reordered_opaque != AV_NOPTS_VALUE) {
+                uint8_t *reordered_opaque = av_memdup(&c->reordered_opaque,
+                                                      sizeof(c->reordered_opaque));
+                if (!reordered_opaque) {
+                    dav1d_data_unref(data);
+                    return AVERROR(ENOMEM);
+                }
+
+                res = dav1d_data_wrap_user_data(data, reordered_opaque,
+                                                libdav1d_user_data_free, reordered_opaque);
+                if (res < 0) {
+                    av_free(reordered_opaque);
+                    dav1d_data_unref(data);
+                    return res;
+                }
+            }
+        } else if (res >= 0) {
+            av_packet_unref(pkt);
+            return AVERROR(EAGAIN);
+        }
+    }
+
+    res = dav1d_send_data(dav1d->c, data);
+    if (res < 0) {
+        if (res == AVERROR(EINVAL))
+            res = AVERROR_INVALIDDATA;
+        if (res != AVERROR(EAGAIN)) {
+            dav1d_data_unref(data);
+            return res;
+        }
+    }
+
+    res = dav1d_get_picture(dav1d->c, p);
+    if (res < 0) {
+        if (res == AVERROR(EINVAL))
+            res = AVERROR_INVALIDDATA;
+        else if (res == AVERROR(EAGAIN) && c->internal->draining)
+            res = AVERROR_EOF;
+
+        return res;
+    }
+
+    av_assert0(p->data[0] && p->allocator_data);
+
+    // This requires the custom allocator above
+    frame->buf[0] = av_buffer_ref(p->allocator_data);
+    if (!frame->buf[0]) {
+        dav1d_picture_unref(p);
+        return AVERROR(ENOMEM);
+    }
+
+    frame->data[0] = p->data[0];
+    frame->data[1] = p->data[1];
+    frame->data[2] = p->data[2];
+    frame->linesize[0] = p->stride[0];
+    frame->linesize[1] = p->stride[1];
+    frame->linesize[2] = p->stride[1];
+
+#if FF_DAV1D_VERSION_AT_LEAST(5,1)
+    dav1d_get_event_flags(dav1d->c, &event_flags);
+    if (c->pix_fmt == AV_PIX_FMT_NONE ||
+        event_flags & DAV1D_EVENT_FLAG_NEW_SEQUENCE)
+#endif
+    libdav1d_init_params(c, p->seq_hdr);
+    res = ff_decode_frame_props(c, frame);
+    if (res < 0)
+        goto fail;
+
+    frame->width = p->p.w;
+    frame->height = p->p.h;
+    if (c->width != p->p.w || c->height != p->p.h) {
+        res = ff_set_dimensions(c, p->p.w, p->p.h);
+        if (res < 0)
+            goto fail;
+    }
+
+    av_reduce(&frame->sample_aspect_ratio.num,
+              &frame->sample_aspect_ratio.den,
+              frame->height * (int64_t)p->frame_hdr->render_width,
+              frame->width  * (int64_t)p->frame_hdr->render_height,
+              INT_MAX);
+    ff_set_sar(c, frame->sample_aspect_ratio);
+
+    if (p->m.user_data.data)
+        memcpy(&frame->reordered_opaque, p->m.user_data.data, sizeof(frame->reordered_opaque));
+    else
+        frame->reordered_opaque = AV_NOPTS_VALUE;
+
+    // match timestamps and packet size
+    frame->pts = p->m.timestamp;
+    frame->pkt_dts = p->m.timestamp;
+    frame->pkt_pos = p->m.offset;
+    frame->pkt_size = p->m.size;
+    frame->duration = p->m.duration;
+    frame->key_frame = p->frame_hdr->frame_type == DAV1D_FRAME_TYPE_KEY;
+
+    switch (p->frame_hdr->frame_type) {
+    case DAV1D_FRAME_TYPE_KEY:
+    case DAV1D_FRAME_TYPE_INTRA:
+        frame->pict_type = AV_PICTURE_TYPE_I;
+        break;
+    case DAV1D_FRAME_TYPE_INTER:
+        frame->pict_type = AV_PICTURE_TYPE_P;
+        break;
+    case DAV1D_FRAME_TYPE_SWITCH:
+        frame->pict_type = AV_PICTURE_TYPE_SP;
+        break;
+    default:
+        res = AVERROR_INVALIDDATA;
+        goto fail;
+    }
+
+    if (p->mastering_display) {
+        AVMasteringDisplayMetadata *mastering = av_mastering_display_metadata_create_side_data(frame);
+        if (!mastering) {
+            res = AVERROR(ENOMEM);
+            goto fail;
+        }
+
+        for (int i = 0; i < 3; i++) {
+            mastering->display_primaries[i][0] = av_make_q(p->mastering_display->primaries[i][0], 1 << 16);
+            mastering->display_primaries[i][1] = av_make_q(p->mastering_display->primaries[i][1], 1 << 16);
+        }
+        mastering->white_point[0] = av_make_q(p->mastering_display->white_point[0], 1 << 16);
+        mastering->white_point[1] = av_make_q(p->mastering_display->white_point[1], 1 << 16);
+
+        mastering->max_luminance = av_make_q(p->mastering_display->max_luminance, 1 << 8);
+        mastering->min_luminance = av_make_q(p->mastering_display->min_luminance, 1 << 14);
+
+        mastering->has_primaries = 1;
+        mastering->has_luminance = 1;
+    }
+    if (p->content_light) {
+        AVContentLightMetadata *light = av_content_light_metadata_create_side_data(frame);
+        if (!light) {
+            res = AVERROR(ENOMEM);
+            goto fail;
+        }
+        light->MaxCLL = p->content_light->max_content_light_level;
+        light->MaxFALL = p->content_light->max_frame_average_light_level;
+    }
+    if (p->itut_t35) {
+        GetByteContext gb;
+        unsigned int user_identifier;
+
+        bytestream2_init(&gb, p->itut_t35->payload, p->itut_t35->payload_size);
+        bytestream2_skip(&gb, 1); // terminal provider code
+        bytestream2_skip(&gb, 1); // terminal provider oriented code
+        user_identifier = bytestream2_get_be32(&gb);
+        switch (user_identifier) {
+        case MKBETAG('G', 'A', '9', '4'): { // closed captions
+            AVBufferRef *buf = NULL;
+
+            res = ff_parse_a53_cc(&buf, gb.buffer, bytestream2_get_bytes_left(&gb));
+            if (res < 0)
+                goto fail;
+            if (!res)
+                break;
+
+            if (!av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_A53_CC, buf))
+                av_buffer_unref(&buf);
+
+            c->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
+            break;
+        }
+        default: // ignore unsupported identifiers
+            break;
+        }
+    }
+    if (p->frame_hdr->film_grain.present && (!dav1d->apply_grain ||
+        (c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN))) {
+        AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(frame);
+        if (!fgp) {
+            res = AVERROR(ENOMEM);
+            goto fail;
+        }
+
+        fgp->type = AV_FILM_GRAIN_PARAMS_AV1;
+        fgp->seed = p->frame_hdr->film_grain.data.seed;
+        fgp->codec.aom.num_y_points = p->frame_hdr->film_grain.data.num_y_points;
+        fgp->codec.aom.chroma_scaling_from_luma = p->frame_hdr->film_grain.data.chroma_scaling_from_luma;
+        fgp->codec.aom.scaling_shift = p->frame_hdr->film_grain.data.scaling_shift;
+        fgp->codec.aom.ar_coeff_lag = p->frame_hdr->film_grain.data.ar_coeff_lag;
+        fgp->codec.aom.ar_coeff_shift = p->frame_hdr->film_grain.data.ar_coeff_shift;
+        fgp->codec.aom.grain_scale_shift = p->frame_hdr->film_grain.data.grain_scale_shift;
+        fgp->codec.aom.overlap_flag = p->frame_hdr->film_grain.data.overlap_flag;
+        fgp->codec.aom.limit_output_range = p->frame_hdr->film_grain.data.clip_to_restricted_range;
+
+        memcpy(&fgp->codec.aom.y_points, &p->frame_hdr->film_grain.data.y_points,
+               sizeof(fgp->codec.aom.y_points));
+        memcpy(&fgp->codec.aom.num_uv_points, &p->frame_hdr->film_grain.data.num_uv_points,
+               sizeof(fgp->codec.aom.num_uv_points));
+        memcpy(&fgp->codec.aom.uv_points, &p->frame_hdr->film_grain.data.uv_points,
+               sizeof(fgp->codec.aom.uv_points));
+        memcpy(&fgp->codec.aom.ar_coeffs_y, &p->frame_hdr->film_grain.data.ar_coeffs_y,
+               sizeof(fgp->codec.aom.ar_coeffs_y));
+        memcpy(&fgp->codec.aom.ar_coeffs_uv[0], &p->frame_hdr->film_grain.data.ar_coeffs_uv[0],
+               sizeof(fgp->codec.aom.ar_coeffs_uv[0]));
+        memcpy(&fgp->codec.aom.ar_coeffs_uv[1], &p->frame_hdr->film_grain.data.ar_coeffs_uv[1],
+               sizeof(fgp->codec.aom.ar_coeffs_uv[1]));
+        memcpy(&fgp->codec.aom.uv_mult, &p->frame_hdr->film_grain.data.uv_mult,
+               sizeof(fgp->codec.aom.uv_mult));
+        memcpy(&fgp->codec.aom.uv_mult_luma, &p->frame_hdr->film_grain.data.uv_luma_mult,
+               sizeof(fgp->codec.aom.uv_mult_luma));
+        memcpy(&fgp->codec.aom.uv_offset, &p->frame_hdr->film_grain.data.uv_offset,
+               sizeof(fgp->codec.aom.uv_offset));
+    }
+
+    res = 0;
+fail:
+    dav1d_picture_unref(p);
+    if (res < 0)
+        av_frame_unref(frame);
+    return res;
+}
+
+static av_cold int libdav1d_close(AVCodecContext *c)
+{
+    Libdav1dContext *dav1d = c->priv_data;
+
+    av_buffer_pool_uninit(&dav1d->pool);
+    dav1d_data_unref(&dav1d->data);
+    dav1d_close(&dav1d->c);
+
+    return 0;
+}
+
+#ifndef DAV1D_MAX_FRAME_THREADS
+#define DAV1D_MAX_FRAME_THREADS DAV1D_MAX_THREADS
+#endif
+#ifndef DAV1D_MAX_TILE_THREADS
+#define DAV1D_MAX_TILE_THREADS DAV1D_MAX_THREADS
+#endif
+#ifndef DAV1D_MAX_FRAME_DELAY
+#define DAV1D_MAX_FRAME_DELAY DAV1D_MAX_FRAME_THREADS
+#endif
+
+#define OFFSET(x) offsetof(Libdav1dContext, x)
+#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+static const AVOption libdav1d_options[] = {
+    { "tilethreads", "Tile threads", OFFSET(tile_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_TILE_THREADS, VD | AV_OPT_FLAG_DEPRECATED },
+    { "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD | AV_OPT_FLAG_DEPRECATED },
+    { "max_frame_delay", "Max frame delay", OFFSET(max_frame_delay), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_DELAY, VD },
+    { "filmgrain", "Apply Film Grain", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD | AV_OPT_FLAG_DEPRECATED },
+    { "oppoint",  "Select an operating point of the scalable bitstream", OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 31, VD },
+    { "alllayers", "Output all spatial layers", OFFSET(all_layers), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
+    { NULL }
+};
+
+static const AVClass libdav1d_class = {
+    .class_name = "libdav1d decoder",
+    .item_name  = av_default_item_name,
+    .option     = libdav1d_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+const FFCodec ff_libdav1d_decoder = {
+    .p.name         = "libdav1d",
+    CODEC_LONG_NAME("dav1d AV1 decoder by VideoLAN"),
+    .p.type         = AVMEDIA_TYPE_VIDEO,
+    .p.id           = AV_CODEC_ID_AV1,
+    .priv_data_size = sizeof(Libdav1dContext),
+    .init           = libdav1d_init,
+    .close          = libdav1d_close,
+    .flush          = libdav1d_flush,
+    FF_CODEC_RECEIVE_FRAME_CB(libdav1d_receive_frame),
+    .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_OTHER_THREADS,
+    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS |
+                      FF_CODEC_CAP_AUTO_THREADS,
+    .p.priv_class   = &libdav1d_class,
+    .p.wrapper_name = "libdav1d",
+};