libavcodec/libdav1d.c - third_party/ffmpeg - Git at Google

 /*
  * 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/mastering_display_metadata.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/opt.h"

 #include "avcodec.h"
 #include "decode.h"
 #include "internal.h"

 typedef struct Libdav1dContext {
     AVClass *class;
     Dav1dContext *c;
     AVBufferPool *pool;
     int pool_size;

     Dav1dData data;
     int tile_threads;
     int frame_threads;
     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);
     uint8_t *aligned_ptr, *data[4];
     AVBufferRef *buf;

     ret = av_image_fill_arrays(data, linesize, NULL, format, FFALIGN(p->p.w, 128),
                                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_pointers(data, format, h, aligned_ptr, linesize);
     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 av_cold int libdav1d_init(AVCodecContext *c)
 {
     Libdav1dContext *dav1d = c->priv_data;
     Dav1dSettings s;
     int threads = (c->thread_count ? c->thread_count : av_cpu_count()) * 3 / 2;
     int res;

     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;

     s.all_layers = dav1d->all_layers;
     if (dav1d->operating_point >= 0)
         s.operating_point = dav1d->operating_point;

     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);
     av_log(c, AV_LOG_DEBUG, "Using %d frame threads, %d tile threads\n",
            s.n_frame_threads, s.n_tile_threads);

     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;
     int res;

     if (!data->sz) {
         AVPacket pkt = { 0 };

         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_malloc(sizeof(c->reordered_opaque));
                 if (!reordered_opaque) {
                     dav1d_data_unref(data);
                     return AVERROR(ENOMEM);
                 }

                 memcpy(reordered_opaque, &c->reordered_opaque, sizeof(c->reordered_opaque));
                 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;
                 }
             }
         }
     }

     res = dav1d_send_data(dav1d->c, data);
     if (res < 0) {
         if (res == AVERROR(EINVAL))
             res = AVERROR_INVALIDDATA;
         if (res != AVERROR(EAGAIN))
             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];

     c->profile = p->seq_hdr->profile;
     c->level = ((p->seq_hdr->operating_points[0].major_level - 2) << 2)
                | p->seq_hdr->operating_points[0].minor_level;
     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;
     }

     switch (p->seq_hdr->chr) {
     case DAV1D_CHR_VERTICAL:
         frame->chroma_location = c->chroma_sample_location = AVCHROMA_LOC_LEFT;
         break;
     case DAV1D_CHR_COLOCATED:
         frame->chroma_location = c->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
         break;
     }
     frame->colorspace = c->colorspace = (enum AVColorSpace) p->seq_hdr->mtrx;
     frame->color_primaries = c->color_primaries = (enum AVColorPrimaries) p->seq_hdr->pri;
     frame->color_trc = c->color_trc = (enum AVColorTransferCharacteristic) p->seq_hdr->trc;
     frame->color_range = c->color_range = p->seq_hdr->color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;

     if (p->p.layout == DAV1D_PIXEL_LAYOUT_I444 &&
         p->seq_hdr->mtrx == DAV1D_MC_IDENTITY &&
         p->seq_hdr->pri  == DAV1D_COLOR_PRI_BT709 &&
         p->seq_hdr->trc  == DAV1D_TRC_SRGB)
         frame->format = c->pix_fmt = pix_fmt_rgb[p->seq_hdr->hbd];
     else
         frame->format = c->pix_fmt = pix_fmt[p->p.layout][p->seq_hdr->hbd];

     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;

     if (p->seq_hdr->num_units_in_tick && p->seq_hdr->time_scale) {
         av_reduce(&c->framerate.den, &c->framerate.num,
                   p->seq_hdr->num_units_in_tick, p->seq_hdr->time_scale, INT_MAX);
         if (p->seq_hdr->equal_picture_interval)
             c->ticks_per_frame = p->seq_hdr->num_ticks_per_picture;
     }

     // match timestamps and packet size
     frame->pts = frame->best_effort_timestamp = p->m.timestamp;
 #if FF_API_PKT_PTS
 FF_DISABLE_DEPRECATION_WARNINGS
     frame->pkt_pts = p->m.timestamp;
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
     frame->pkt_dts = p->m.timestamp;
     frame->pkt_pos = p->m.offset;
     frame->pkt_size = p->m.size;
     frame->pkt_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;
     }

     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;
 }

 #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 },
     { "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD },
     { "filmgrain", "Apply Film Grain", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD },
     { "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,
 };

 AVCodec ff_libdav1d_decoder = {
     .name           = "libdav1d",
     .long_name      = NULL_IF_CONFIG_SMALL("dav1d AV1 decoder by VideoLAN"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_AV1,
     .priv_data_size = sizeof(Libdav1dContext),
     .init           = libdav1d_init,
     .close          = libdav1d_close,
     .flush          = libdav1d_flush,
     .receive_frame  = libdav1d_receive_frame,
     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
     .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_SETS_PKT_DTS,
     .priv_class     = &libdav1d_class,
     .wrapper_name   = "libdav1d",
 };
	/*
	* 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/mastering_display_metadata.h"
	#include "libavutil/imgutils.h"
	#include "libavutil/opt.h"

	#include "avcodec.h"
	#include "decode.h"
	#include "internal.h"

	typedef struct Libdav1dContext {
	AVClass *class;
	Dav1dContext *c;
	AVBufferPool *pool;
	int pool_size;

	Dav1dData data;
	int tile_threads;
	int frame_threads;
	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);
	uint8_t aligned_ptr, data[4];
	AVBufferRef *buf;

	ret = av_image_fill_arrays(data, linesize, NULL, format, FFALIGN(p->p.w, 128),
	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_pointers(data, format, h, aligned_ptr, linesize);
	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 av_cold int libdav1d_init(AVCodecContext *c)
	{
	Libdav1dContext *dav1d = c->priv_data;
	Dav1dSettings s;
	int threads = (c->thread_count ? c->thread_count : av_cpu_count()) * 3 / 2;
	int res;

	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;

	s.all_layers = dav1d->all_layers;
	if (dav1d->operating_point >= 0)
	s.operating_point = dav1d->operating_point;

	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);
	av_log(c, AV_LOG_DEBUG, "Using %d frame threads, %d tile threads\n",
	s.n_frame_threads, s.n_tile_threads);

	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;
	int res;

	if (!data->sz) {
	AVPacket pkt = { 0 };

	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_malloc(sizeof(c->reordered_opaque));
	if (!reordered_opaque) {
	dav1d_data_unref(data);
	return AVERROR(ENOMEM);
	}

	memcpy(reordered_opaque, &c->reordered_opaque, sizeof(c->reordered_opaque));
	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;
	}
	}
	}
	}

	res = dav1d_send_data(dav1d->c, data);
	if (res < 0) {
	if (res == AVERROR(EINVAL))
	res = AVERROR_INVALIDDATA;
	if (res != AVERROR(EAGAIN))
	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];

	c->profile = p->seq_hdr->profile;
	c->level = ((p->seq_hdr->operating_points[0].major_level - 2) << 2)
	\| p->seq_hdr->operating_points[0].minor_level;
	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;
	}

	switch (p->seq_hdr->chr) {
	case DAV1D_CHR_VERTICAL:
	frame->chroma_location = c->chroma_sample_location = AVCHROMA_LOC_LEFT;
	break;
	case DAV1D_CHR_COLOCATED:
	frame->chroma_location = c->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
	break;
	}
	frame->colorspace = c->colorspace = (enum AVColorSpace) p->seq_hdr->mtrx;
	frame->color_primaries = c->color_primaries = (enum AVColorPrimaries) p->seq_hdr->pri;
	frame->color_trc = c->color_trc = (enum AVColorTransferCharacteristic) p->seq_hdr->trc;
	frame->color_range = c->color_range = p->seq_hdr->color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;

	if (p->p.layout == DAV1D_PIXEL_LAYOUT_I444 &&
	p->seq_hdr->mtrx == DAV1D_MC_IDENTITY &&
	p->seq_hdr->pri == DAV1D_COLOR_PRI_BT709 &&
	p->seq_hdr->trc == DAV1D_TRC_SRGB)
	frame->format = c->pix_fmt = pix_fmt_rgb[p->seq_hdr->hbd];
	else
	frame->format = c->pix_fmt = pix_fmt[p->p.layout][p->seq_hdr->hbd];

	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;

	if (p->seq_hdr->num_units_in_tick && p->seq_hdr->time_scale) {
	av_reduce(&c->framerate.den, &c->framerate.num,
	p->seq_hdr->num_units_in_tick, p->seq_hdr->time_scale, INT_MAX);
	if (p->seq_hdr->equal_picture_interval)
	c->ticks_per_frame = p->seq_hdr->num_ticks_per_picture;
	}

	// match timestamps and packet size
	frame->pts = frame->best_effort_timestamp = p->m.timestamp;
	#if FF_API_PKT_PTS
	FF_DISABLE_DEPRECATION_WARNINGS
	frame->pkt_pts = p->m.timestamp;
	FF_ENABLE_DEPRECATION_WARNINGS
	#endif
	frame->pkt_dts = p->m.timestamp;
	frame->pkt_pos = p->m.offset;
	frame->pkt_size = p->m.size;
	frame->pkt_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;
	}

	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;
	}

	#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 },
	{ "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD },
	{ "filmgrain", "Apply Film Grain", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD },
	{ "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,
	};

	AVCodec ff_libdav1d_decoder = {
	.name = "libdav1d",
	.long_name = NULL_IF_CONFIG_SMALL("dav1d AV1 decoder by VideoLAN"),
	.type = AVMEDIA_TYPE_VIDEO,
	.id = AV_CODEC_ID_AV1,
	.priv_data_size = sizeof(Libdav1dContext),
	.init = libdav1d_init,
	.close = libdav1d_close,
	.flush = libdav1d_flush,
	.receive_frame = libdav1d_receive_frame,
	.capabilities = AV_CODEC_CAP_DELAY \| AV_CODEC_CAP_AUTO_THREADS,
	.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE \| FF_CODEC_CAP_SETS_PKT_DTS,
	.priv_class = &libdav1d_class,
	.wrapper_name = "libdav1d",
	};