jeans/LibreELEC.tv
jeans/LibreELEC.tv
1
0
Fork 0
mirror of https://github.com/LibreELEC/LibreELEC.tv.git synced 2025-07-29 13:46:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

ffmpeg: enable AV1 decode support via libdav1d

Browse Source 
* backport libdav1d patch
    * latest patch from 752659327d (diff-c93f936c9a5658d0397dc9d432244f4a)
This commit is contained in:
zalaare 2018-11-23 12:36:40 -05:00
parent 1168b59eb7
commit 0cb809d1aa
2 changed files with 339 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
packages/multimedia/ffmpeg/package.mk
View File

@ -9,7 +9,7 @@ PKG_SHA256="f25559d4b803321483b28ac9b513671200bdc8e3531c02f0affdd622846a9c5e"
PKG_LICENSE="LGPLv2.1+"
PKG_SITE="https://ffmpeg.org"
PKG_URL="https://github.com/xbmc/FFmpeg/archive/${PKG_VERSION}.tar.gz"
PKG_DEPENDS_TARGET="toolchain yasm:host zlib bzip2 openssl speex"
PKG_DEPENDS_TARGET="toolchain yasm:host zlib bzip2 openssl speex dav1d"
PKG_LONGDESC="FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video."
PKG_BUILD_FLAGS="-gold"
@ -171,6 +171,7 @@ configure_target() {
--disable-libmp3lame \
--disable-libopenjpeg \
--disable-librtmp \
--enable-libdav1d \
--enable-libspeex \
--disable-libtheora \
--disable-libvo-amrwbenc \

337
packages/multimedia/ffmpeg/patches/ffmpeg-99.1008-dav1d-enable-av1.patch Normal file
View File

@ -0,0 +1,337 @@
diff -Nur a/configure b/configure
--- a/configure 2018-11-23 12:03:27.041287929 -0500
+++ b/configure 2018-11-23 12:08:52.945786916 -0500
@@ -226,6 +226,7 @@
--enable-libcelt enable CELT decoding via libcelt [no]
--enable-libcdio enable audio CD grabbing with libcdio [no]
--enable-libcodec2 enable codec2 en/decoding using libcodec2 [no]
+ --enable-libdav1d enable AV1 decoding via libdav1d [no]
--enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
and libraw1394 [no]
--enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
@@ -1700,6 +1701,7 @@
libcaca
libcelt
libcodec2
+ libdav1d
libdc1394
libdrm
libflite
@@ -3062,6 +3064,7 @@
libcelt_decoder_deps="libcelt"
libcodec2_decoder_deps="libcodec2"
libcodec2_encoder_deps="libcodec2"
+libdav1d_decoder_deps="libdav1d"
libfdk_aac_decoder_deps="libfdk_aac"
libfdk_aac_encoder_deps="libfdk_aac"
libfdk_aac_encoder_select="audio_frame_queue"
@@ -6003,6 +6006,7 @@
die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
+enabled libdav1d && require_pkg_config libdav1d "dav1d >= 0.0.1" "dav1d/dav1d.h" dav1d_version
enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
diff -Nur a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
--- a/libavcodec/allcodecs.c 2018-11-23 12:03:27.041287929 -0500
+++ b/libavcodec/allcodecs.c 2018-11-23 12:11:08.584268221 -0500
@@ -670,6 +670,7 @@
extern AVCodec ff_libcelt_decoder;
extern AVCodec ff_libcodec2_encoder;
extern AVCodec ff_libcodec2_decoder;
+extern AVCodec ff_libdav1d_decoder;
extern AVCodec ff_libfdk_aac_encoder;
extern AVCodec ff_libfdk_aac_decoder;
extern AVCodec ff_libgsm_encoder;
diff -Nur a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c
--- a/libavcodec/libdav1d.c 1969-12-31 19:00:00.000000000 -0500
+++ b/libavcodec/libdav1d.c 2018-11-23 12:33:35.820468086 -0500
@@ -0,0 +1,276 @@
+/*
+ * 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/fifo.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "decode.h"
+#include "internal.h"
+
+typedef struct Libdav1dContext {
+ AVClass *class;
+ Dav1dContext *c;
+
+ AVFifoBuffer *cache;
+ Dav1dData data;
+ int tile_threads;
+} Libdav1dContext;
+
+static av_cold int libdav1d_init(AVCodecContext *c)
+{
+ Libdav1dContext *dav1d = c->priv_data;
+ Dav1dSettings s;
+ int res;
+
+ av_log(c, AV_LOG_INFO, "libdav1d %s\n", dav1d_version());
+
+ dav1d_default_settings(&s);
+ s.n_tile_threads = dav1d->tile_threads;
+ s.n_frame_threads = FFMIN(c->thread_count ? c->thread_count : av_cpu_count(), 256);
+
+ dav1d->cache = av_fifo_alloc(8 * sizeof(AVPacket));
+ if (!dav1d->cache)
+ return AVERROR(ENOMEM);
+
+ 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;
+
+ av_fifo_reset(dav1d->cache);
+ dav1d_data_unref(&dav1d->data);
+ dav1d_flush(dav1d->c);
+}
+
+static int libdav1d_fifo_write(void *src, void *dst, int dst_size) {
+ AVPacket *pkt_dst = dst, *pkt_src = src;
+
+ av_assert2(dst_size >= sizeof(AVPacket));
+
+ pkt_src->buf = NULL;
+ av_packet_free_side_data(pkt_src);
+ *pkt_dst = *pkt_src;
+
+ return sizeof(AVPacket);
+}
+
+static void libdav1d_data_free(const uint8_t *data, void *opaque) {
+ AVBufferRef *buf = opaque;
+
+ av_buffer_unref(&buf);
+}
+
+static void libdav1d_frame_free(void *opaque, uint8_t *data) {
+ Dav1dPicture p = { 0 };
+
+ p.ref = opaque;
+ p.data[0] = (void *) 0x1; // this has to be non-NULL
+ dav1d_picture_unref(&p);
+}
+
+static const enum AVPixelFormat pix_fmt[][2] = {
+ [DAV1D_PIXEL_LAYOUT_I400] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY10 },
+ [DAV1D_PIXEL_LAYOUT_I420] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P10 },
+ [DAV1D_PIXEL_LAYOUT_I422] = { AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P10 },
+ [DAV1D_PIXEL_LAYOUT_I444] = { AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P10 },
+};
+
+// TODO: Update once 12bit support is added.
+static const int profile[] = {
+ [DAV1D_PIXEL_LAYOUT_I400] = FF_PROFILE_AV1_MAIN,
+ [DAV1D_PIXEL_LAYOUT_I420] = FF_PROFILE_AV1_MAIN,
+ [DAV1D_PIXEL_LAYOUT_I422] = FF_PROFILE_AV1_PROFESSIONAL,
+ [DAV1D_PIXEL_LAYOUT_I444] = FF_PROFILE_AV1_HIGH,
+};
+
+static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame)
+{
+ Libdav1dContext *dav1d = c->priv_data;
+ Dav1dData *data = &dav1d->data;
+ AVPacket pkt = { 0 };
+ Dav1dPicture p = { 0 };
+ int res;
+
+ if (!data->sz) {
+ res = ff_decode_get_packet(c, &pkt);
+ if (res < 0 && res != AVERROR_EOF)
+ return res;
+
+ if (pkt.size) {
+ if (!av_fifo_space(dav1d->cache)) {
+ res = av_fifo_grow(dav1d->cache, 8 * sizeof(pkt));
+ if (res < 0) {
+ av_packet_unref(&pkt);
+ return res;
+ }
+ }
+
+ res = dav1d_data_wrap(data, pkt.data, pkt.size, libdav1d_data_free, pkt.buf);
+ if (res < 0) {
+ av_packet_unref(&pkt);
+ return res;
+ }
+
+ av_fifo_generic_write(dav1d->cache, &pkt, sizeof(pkt), libdav1d_fifo_write);
+ }
+ }
+
+ res = dav1d_send_data(dav1d->c, data);
+ if (res < 0) {
+ if (res == -EINVAL)
+ res = AVERROR_INVALIDDATA;
+ if (res != -EAGAIN)
+ return res;
+ }
+
+ res = dav1d_get_picture(dav1d->c, &p);
+ if (res < 0) {
+ if (res == -EINVAL)
+ res = AVERROR_INVALIDDATA;
+ else if (res == -EAGAIN && c->internal->draining)
+ res = AVERROR_EOF;
+
+ return res;
+ }
+
+ av_assert0(p.data[0] != NULL);
+
+ av_fifo_generic_read(dav1d->cache, &pkt, sizeof(pkt), NULL);
+
+ frame->buf[0] = av_buffer_create(NULL, 0, libdav1d_frame_free,
+ p.ref, AV_BUFFER_FLAG_READONLY);
+ 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 = profile[p.p.layout];
+ frame->format = c->pix_fmt = pix_fmt[p.p.layout][p.p.bpc == 10];
+ 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)
+ return res;
+ }
+
+ switch (p.p.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.p.mtrx;
+ frame->color_primaries = c->color_primaries = (enum AVColorPrimaries) p.p.pri;
+ frame->color_trc = c->color_trc = (enum AVColorTransferCharacteristic) p.p.trc;
+ frame->color_range = c->color_range = p.p.fullrange ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
+
+ // match timestamps and packet size
+ frame->pts = frame->best_effort_timestamp = pkt.pts;
+#if FF_API_PKT_PTS
+FF_DISABLE_DEPRECATION_WARNINGS
+ frame->pkt_pts = pkt.pts;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ frame->pkt_dts = pkt.dts;
+ frame->pkt_pos = pkt.pos;
+ frame->pkt_size = pkt.size;
+ frame->pkt_duration = pkt.duration;
+ frame->key_frame = p.p.type == DAV1D_FRAME_TYPE_KEY;
+
+ switch (p.p.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:
+ return AVERROR_INVALIDDATA;
+ }
+
+ return 0;
+}
+
+static av_cold int libdav1d_close(AVCodecContext *c)
+{
+ Libdav1dContext *dav1d = c->priv_data;
+
+ av_fifo_freep(&dav1d->cache);
+ 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 = 1 }, 1, 64, VD, NULL },
+ { 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_INIT_CLEANUP |
+ FF_CODEC_CAP_SETS_PKT_DTS,
+ .priv_class = &libdav1d_class,
+ .wrapper_name = "libdav1d",
+};
diff -Nur a/libavcodec/Makefile b/libavcodec/Makefile
--- a/libavcodec/Makefile 2018-11-23 12:03:27.041287929 -0500
+++ b/libavcodec/Makefile 2018-11-23 12:10:28.676717867 -0500
@@ -954,6 +954,7 @@
OBJS-$(CONFIG_LIBCELT_DECODER) += libcelt_dec.o
OBJS-$(CONFIG_LIBCODEC2_DECODER) += libcodec2.o codec2utils.o
OBJS-$(CONFIG_LIBCODEC2_ENCODER) += libcodec2.o codec2utils.o
+OBJS-$(CONFIG_LIBDAV1D_DECODER) += libdav1d.o
OBJS-$(CONFIG_LIBFDK_AAC_DECODER) += libfdk-aacdec.o
OBJS-$(CONFIG_LIBFDK_AAC_ENCODER) += libfdk-aacenc.o
OBJS-$(CONFIG_LIBGSM_DECODER) += libgsmdec.o