2 * Copyright (c) 2018 Ronald S. Bultje <rsbultje gmail com>
3 * Copyright (c) 2018 James Almer <jamrial gmail com>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <dav1d/dav1d.h>
24 #include "libavutil/avassert.h"
25 #include "libavutil/mastering_display_metadata.h"
26 #include "libavutil/imgutils.h"
27 #include "libavutil/opt.h"
33 typedef struct Libdav1dContext {
45 static const enum AVPixelFormat pix_fmt[][3] = {
46 [DAV1D_PIXEL_LAYOUT_I400] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12 },
47 [DAV1D_PIXEL_LAYOUT_I420] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12 },
48 [DAV1D_PIXEL_LAYOUT_I422] = { AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12 },
49 [DAV1D_PIXEL_LAYOUT_I444] = { AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12 },
52 static const enum AVPixelFormat pix_fmt_rgb[3] = {
53 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12,
56 static void libdav1d_log_callback(void *opaque, const char *fmt, va_list vl)
58 AVCodecContext *c = opaque;
60 av_vlog(c, AV_LOG_ERROR, fmt, vl);
63 static int libdav1d_picture_allocator(Dav1dPicture *p, void *cookie)
65 Libdav1dContext *dav1d = cookie;
66 enum AVPixelFormat format = pix_fmt[p->p.layout][p->seq_hdr->hbd];
67 int ret, linesize[4], h = FFALIGN(p->p.h, 128);
68 uint8_t *aligned_ptr, *data[4];
71 ret = av_image_fill_arrays(data, linesize, NULL, format, FFALIGN(p->p.w, 128),
72 h, DAV1D_PICTURE_ALIGNMENT);
76 if (ret != dav1d->pool_size) {
77 av_buffer_pool_uninit(&dav1d->pool);
78 // Use twice the amount of required padding bytes for aligned_ptr below.
79 dav1d->pool = av_buffer_pool_init(ret + DAV1D_PICTURE_ALIGNMENT * 2, NULL);
82 return AVERROR(ENOMEM);
84 dav1d->pool_size = ret;
86 buf = av_buffer_pool_get(dav1d->pool);
88 return AVERROR(ENOMEM);
90 // libdav1d requires DAV1D_PICTURE_ALIGNMENT aligned buffers, which av_malloc()
91 // doesn't guarantee for example when AVX is disabled at configure time.
92 // Use the extra DAV1D_PICTURE_ALIGNMENT padding bytes in the buffer to align it
94 aligned_ptr = (uint8_t *)FFALIGN((uintptr_t)buf->data, DAV1D_PICTURE_ALIGNMENT);
95 ret = av_image_fill_pointers(data, format, h, aligned_ptr, linesize);
97 av_buffer_unref(&buf);
101 p->data[0] = data[0];
102 p->data[1] = data[1];
103 p->data[2] = data[2];
104 p->stride[0] = linesize[0];
105 p->stride[1] = linesize[1];
106 p->allocator_data = buf;
111 static void libdav1d_picture_release(Dav1dPicture *p, void *cookie)
113 AVBufferRef *buf = p->allocator_data;
115 av_buffer_unref(&buf);
118 static av_cold int libdav1d_init(AVCodecContext *c)
120 Libdav1dContext *dav1d = c->priv_data;
122 int threads = (c->thread_count ? c->thread_count : av_cpu_count()) * 3 / 2;
125 av_log(c, AV_LOG_INFO, "libdav1d %s\n", dav1d_version());
127 dav1d_default_settings(&s);
129 s.logger.callback = libdav1d_log_callback;
130 s.allocator.cookie = dav1d;
131 s.allocator.alloc_picture_callback = libdav1d_picture_allocator;
132 s.allocator.release_picture_callback = libdav1d_picture_release;
133 s.frame_size_limit = c->max_pixels;
134 if (dav1d->apply_grain >= 0)
135 s.apply_grain = dav1d->apply_grain;
137 s.n_tile_threads = dav1d->tile_threads
138 ? dav1d->tile_threads
139 : FFMIN(floor(sqrt(threads)), DAV1D_MAX_TILE_THREADS);
140 s.n_frame_threads = dav1d->frame_threads
141 ? dav1d->frame_threads
142 : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
143 av_log(c, AV_LOG_DEBUG, "Using %d frame threads, %d tile threads\n",
144 s.n_frame_threads, s.n_tile_threads);
146 res = dav1d_open(&dav1d->c, &s);
148 return AVERROR(ENOMEM);
153 static void libdav1d_flush(AVCodecContext *c)
155 Libdav1dContext *dav1d = c->priv_data;
157 dav1d_data_unref(&dav1d->data);
158 dav1d_flush(dav1d->c);
161 static void libdav1d_data_free(const uint8_t *data, void *opaque) {
162 AVBufferRef *buf = opaque;
164 av_buffer_unref(&buf);
167 static void libdav1d_user_data_free(const uint8_t *data, void *opaque) {
168 av_assert0(data == opaque);
172 static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame)
174 Libdav1dContext *dav1d = c->priv_data;
175 Dav1dData *data = &dav1d->data;
176 Dav1dPicture pic = { 0 }, *p = &pic;
180 AVPacket pkt = { 0 };
182 res = ff_decode_get_packet(c, &pkt);
183 if (res < 0 && res != AVERROR_EOF)
187 res = dav1d_data_wrap(data, pkt.data, pkt.size, libdav1d_data_free, pkt.buf);
189 av_packet_unref(&pkt);
193 data->m.timestamp = pkt.pts;
194 data->m.offset = pkt.pos;
195 data->m.duration = pkt.duration;
198 av_packet_unref(&pkt);
200 if (c->reordered_opaque != AV_NOPTS_VALUE) {
201 uint8_t *reordered_opaque = av_malloc(sizeof(c->reordered_opaque));
202 if (!reordered_opaque) {
203 dav1d_data_unref(data);
204 return AVERROR(ENOMEM);
207 memcpy(reordered_opaque, &c->reordered_opaque, sizeof(c->reordered_opaque));
208 res = dav1d_data_wrap_user_data(data, reordered_opaque,
209 libdav1d_user_data_free, reordered_opaque);
211 av_free(reordered_opaque);
212 dav1d_data_unref(data);
219 res = dav1d_send_data(dav1d->c, data);
221 if (res == AVERROR(EINVAL))
222 res = AVERROR_INVALIDDATA;
223 if (res != AVERROR(EAGAIN))
227 res = dav1d_get_picture(dav1d->c, p);
229 if (res == AVERROR(EINVAL))
230 res = AVERROR_INVALIDDATA;
231 else if (res == AVERROR(EAGAIN) && c->internal->draining)
237 av_assert0(p->data[0] && p->allocator_data);
239 // This requires the custom allocator above
240 frame->buf[0] = av_buffer_ref(p->allocator_data);
241 if (!frame->buf[0]) {
242 dav1d_picture_unref(p);
243 return AVERROR(ENOMEM);
246 frame->data[0] = p->data[0];
247 frame->data[1] = p->data[1];
248 frame->data[2] = p->data[2];
249 frame->linesize[0] = p->stride[0];
250 frame->linesize[1] = p->stride[1];
251 frame->linesize[2] = p->stride[1];
253 c->profile = p->seq_hdr->profile;
254 c->level = ((p->seq_hdr->operating_points[0].major_level - 2) << 2)
255 | p->seq_hdr->operating_points[0].minor_level;
256 frame->width = p->p.w;
257 frame->height = p->p.h;
258 if (c->width != p->p.w || c->height != p->p.h) {
259 res = ff_set_dimensions(c, p->p.w, p->p.h);
264 switch (p->seq_hdr->chr) {
265 case DAV1D_CHR_VERTICAL:
266 frame->chroma_location = c->chroma_sample_location = AVCHROMA_LOC_LEFT;
268 case DAV1D_CHR_COLOCATED:
269 frame->chroma_location = c->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
272 frame->colorspace = c->colorspace = (enum AVColorSpace) p->seq_hdr->mtrx;
273 frame->color_primaries = c->color_primaries = (enum AVColorPrimaries) p->seq_hdr->pri;
274 frame->color_trc = c->color_trc = (enum AVColorTransferCharacteristic) p->seq_hdr->trc;
275 frame->color_range = c->color_range = p->seq_hdr->color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
277 if (p->p.layout == DAV1D_PIXEL_LAYOUT_I444 &&
278 p->seq_hdr->mtrx == DAV1D_MC_IDENTITY &&
279 p->seq_hdr->pri == DAV1D_COLOR_PRI_BT709 &&
280 p->seq_hdr->trc == DAV1D_TRC_SRGB)
281 frame->format = c->pix_fmt = pix_fmt_rgb[p->seq_hdr->hbd];
283 frame->format = c->pix_fmt = pix_fmt[p->p.layout][p->seq_hdr->hbd];
285 if (p->m.user_data.data)
286 memcpy(&frame->reordered_opaque, p->m.user_data.data, sizeof(frame->reordered_opaque));
288 frame->reordered_opaque = AV_NOPTS_VALUE;
290 // match timestamps and packet size
291 frame->pts = frame->best_effort_timestamp = p->m.timestamp;
293 FF_DISABLE_DEPRECATION_WARNINGS
294 frame->pkt_pts = p->m.timestamp;
295 FF_ENABLE_DEPRECATION_WARNINGS
297 frame->pkt_dts = p->m.timestamp;
298 frame->pkt_pos = p->m.offset;
299 frame->pkt_size = p->m.size;
300 frame->pkt_duration = p->m.duration;
301 frame->key_frame = p->frame_hdr->frame_type == DAV1D_FRAME_TYPE_KEY;
303 switch (p->frame_hdr->frame_type) {
304 case DAV1D_FRAME_TYPE_KEY:
305 case DAV1D_FRAME_TYPE_INTRA:
306 frame->pict_type = AV_PICTURE_TYPE_I;
308 case DAV1D_FRAME_TYPE_INTER:
309 frame->pict_type = AV_PICTURE_TYPE_P;
311 case DAV1D_FRAME_TYPE_SWITCH:
312 frame->pict_type = AV_PICTURE_TYPE_SP;
315 res = AVERROR_INVALIDDATA;
319 if (p->mastering_display) {
320 AVMasteringDisplayMetadata *mastering = av_mastering_display_metadata_create_side_data(frame);
322 res = AVERROR(ENOMEM);
326 for (int i = 0; i < 3; i++) {
327 mastering->display_primaries[i][0] = av_make_q(p->mastering_display->primaries[i][0], 1 << 16);
328 mastering->display_primaries[i][1] = av_make_q(p->mastering_display->primaries[i][1], 1 << 16);
330 mastering->white_point[0] = av_make_q(p->mastering_display->white_point[0], 1 << 16);
331 mastering->white_point[1] = av_make_q(p->mastering_display->white_point[1], 1 << 16);
333 mastering->max_luminance = av_make_q(p->mastering_display->max_luminance, 1 << 8);
334 mastering->min_luminance = av_make_q(p->mastering_display->min_luminance, 1 << 14);
336 mastering->has_primaries = 1;
337 mastering->has_luminance = 1;
339 if (p->content_light) {
340 AVContentLightMetadata *light = av_content_light_metadata_create_side_data(frame);
342 res = AVERROR(ENOMEM);
345 light->MaxCLL = p->content_light->max_content_light_level;
346 light->MaxFALL = p->content_light->max_frame_average_light_level;
351 dav1d_picture_unref(p);
353 av_frame_unref(frame);
357 static av_cold int libdav1d_close(AVCodecContext *c)
359 Libdav1dContext *dav1d = c->priv_data;
361 av_buffer_pool_uninit(&dav1d->pool);
362 dav1d_data_unref(&dav1d->data);
363 dav1d_close(&dav1d->c);
368 #define OFFSET(x) offsetof(Libdav1dContext, x)
369 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
370 static const AVOption libdav1d_options[] = {
371 { "tilethreads", "Tile threads", OFFSET(tile_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_TILE_THREADS, VD },
372 { "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD },
373 { "filmgrain", "Apply Film Grain", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD },
377 static const AVClass libdav1d_class = {
378 .class_name = "libdav1d decoder",
379 .item_name = av_default_item_name,
380 .option = libdav1d_options,
381 .version = LIBAVUTIL_VERSION_INT,
384 AVCodec ff_libdav1d_decoder = {
386 .long_name = NULL_IF_CONFIG_SMALL("dav1d AV1 decoder by VideoLAN"),
387 .type = AVMEDIA_TYPE_VIDEO,
388 .id = AV_CODEC_ID_AV1,
389 .priv_data_size = sizeof(Libdav1dContext),
390 .init = libdav1d_init,
391 .close = libdav1d_close,
392 .flush = libdav1d_flush,
393 .receive_frame = libdav1d_receive_frame,
394 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
395 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_SETS_PKT_DTS,
396 .priv_class = &libdav1d_class,
397 .wrapper_name = "libdav1d",