mirror of
https://github.com/FFmpeg/FFmpeg.git
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Add AV1 video decoding support through libaom
Signed-off-by: Diego Biurrun <diego@biurrun.de> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
parent
44a1731011
commit
c438899a70
@ -20,6 +20,7 @@ version <next>:
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- Intel QSV-accelerated MJPEG encoding
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- NVIDIA CUVID-accelerated H.264 and HEVC decoding
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- Intel QSV-accelerated overlay filter
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- AV1 Support through libaom
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version 12:
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4
configure
vendored
4
configure
vendored
@ -187,6 +187,7 @@ External library support:
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--enable-bzlib bzip2 compression [autodetect]
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--enable-frei0r video filtering plugins
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--enable-gnutls crypto
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--enable-libaom AV1 video encoding/decoding
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--enable-libbs2b Bauer stereophonic-to-binaural DSP
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--enable-libcdio audio CD input
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--enable-libdc1394 IEEE 1394/Firewire camera input
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@ -1349,6 +1350,7 @@ EXTERNAL_LIBRARY_LIST="
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avxsynth
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frei0r
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gnutls
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libaom
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libbs2b
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libdc1394
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libdcadec
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@ -2363,6 +2365,7 @@ avisynth_deps="LoadLibrary"
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avxsynth_deps="libdl"
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avisynth_demuxer_deps_any="avisynth avxsynth"
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avisynth_demuxer_select="riffdec"
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libaom_av1_decoder_deps="libaom"
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libdcadec_decoder_deps="libdcadec"
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libfaac_encoder_deps="libfaac"
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libfaac_encoder_select="audio_frame_queue"
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@ -4641,6 +4644,7 @@ enabled cuvid && require cuvid cuviddec.h cuvidCreateDecoder -lnvcuv
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enabled frei0r && require_header frei0r.h
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enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init &&
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check_lib gmp gmp.h mpz_export -lgmp
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enabled libaom && require_pkg_config libaom "aom >= 0.1.0" aom/aom_codec.h aom_codec_version
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enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
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enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
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enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
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@ -16,6 +16,14 @@ for more formats. None of them are used by default, their use has to be
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explicitly requested by passing the appropriate flags to
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@command{./configure}.
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@section Alliance for Open Media libaom
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Libav can make use of the libaom library for AV1 decoding.
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Go to @url{http://aomedia.org/} and follow the instructions for
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installing the library. Then pass @code{--enable-libaom} to configure to
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enable it.
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@section OpenCORE and VisualOn libraries
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Spun off Google Android sources, OpenCore, VisualOn and Fraunhofer
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@ -617,6 +625,8 @@ following image formats are supported:
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@item Autodesk Animator Flic video @tab @tab X
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@item Autodesk RLE @tab @tab X
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@tab fourcc: AASC
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@item AV1 @tab @tab E
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@tab Supported through external library libaom
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@item AVS (Audio Video Standard) video @tab @tab X
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@tab Video encoding used by the Creature Shock game.
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@item Beam Software VB @tab @tab X
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@ -687,6 +687,7 @@ OBJS-$(CONFIG_TAK_DEMUXER) += tak.o
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OBJS-$(CONFIG_WEBM_MUXER) += mpeg4audio.o
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# external codec libraries
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OBJS-$(CONFIG_LIBAOM_AV1_DECODER) += libaomdec.o libaom.o
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OBJS-$(CONFIG_LIBDCADEC_DECODER) += libdcadec.o dca.o
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OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o
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OBJS-$(CONFIG_LIBFDK_AAC_DECODER) += libfdk-aacdec.o
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@ -814,6 +815,7 @@ SKIPHEADERS-$(CONFIG_CUVID) += cuvid.h
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SKIPHEADERS-$(CONFIG_AMF) += amfenc.h
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SKIPHEADERS-$(CONFIG_D3D11VA) += d3d11va.h dxva2_internal.h
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SKIPHEADERS-$(CONFIG_DXVA2) += dxva2.h dxva2_internal.h
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SKIPHEADERS-$(CONFIG_LIBAOM) += libaom.h
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SKIPHEADERS-$(CONFIG_LIBSCHROEDINGER) += libschroedinger.h
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SKIPHEADERS-$(CONFIG_LIBVPX) += libvpx.h
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SKIPHEADERS-$(CONFIG_NVENC) += nvenc.h
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@ -421,6 +421,7 @@ void avcodec_register_all(void)
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REGISTER_ENCDEC (XSUB, xsub);
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/* external libraries */
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REGISTER_DECODER(LIBAOM_AV1, libaom_av1);
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REGISTER_DECODER(LIBDCADEC, libdcadec)
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REGISTER_ENCODER(LIBFAAC, libfaac);
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REGISTER_ENCDEC (LIBFDK_AAC, libfdk_aac);
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133
libavcodec/libaom.c
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133
libavcodec/libaom.c
Normal file
@ -0,0 +1,133 @@
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/*
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* Copyright (c) 2013 Guillaume Martres <smarter@ubuntu.com>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <aom/aom_image.h>
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#include "libaom.h"
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#define HIGH_DEPTH(fmt) \
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case AOM_IMG_FMT_I ## fmt ## 16: \
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switch (depth) { \
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case 8: \
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return AV_PIX_FMT_YUV ## fmt ## P; \
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case 10: \
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return AV_PIX_FMT_YUV ## fmt ## P10; \
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case 12: \
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return AV_PIX_FMT_YUV ## fmt ## P12; \
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default: \
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return AV_PIX_FMT_NONE; \
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}
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enum AVPixelFormat ff_aom_imgfmt_to_pixfmt(aom_img_fmt_t img, int depth)
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{
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switch (img) {
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case AOM_IMG_FMT_RGB24:
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return AV_PIX_FMT_RGB24;
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case AOM_IMG_FMT_RGB565:
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return AV_PIX_FMT_RGB565BE;
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case AOM_IMG_FMT_RGB555:
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return AV_PIX_FMT_RGB555BE;
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case AOM_IMG_FMT_UYVY:
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return AV_PIX_FMT_UYVY422;
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case AOM_IMG_FMT_YUY2:
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return AV_PIX_FMT_YUYV422;
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case AOM_IMG_FMT_YVYU:
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return AV_PIX_FMT_YVYU422;
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case AOM_IMG_FMT_BGR24:
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return AV_PIX_FMT_BGR24;
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case AOM_IMG_FMT_ARGB:
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return AV_PIX_FMT_ARGB;
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case AOM_IMG_FMT_ARGB_LE:
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return AV_PIX_FMT_BGRA;
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case AOM_IMG_FMT_RGB565_LE:
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return AV_PIX_FMT_RGB565LE;
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case AOM_IMG_FMT_RGB555_LE:
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return AV_PIX_FMT_RGB555LE;
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case AOM_IMG_FMT_I420:
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return AV_PIX_FMT_YUV420P;
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case AOM_IMG_FMT_I422:
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return AV_PIX_FMT_YUV422P;
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case AOM_IMG_FMT_I444:
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return AV_PIX_FMT_YUV444P;
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case AOM_IMG_FMT_444A:
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return AV_PIX_FMT_YUVA444P;
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case AOM_IMG_FMT_I440:
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return AV_PIX_FMT_YUV440P;
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HIGH_DEPTH(420)
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HIGH_DEPTH(422)
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HIGH_DEPTH(444)
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default:
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return AV_PIX_FMT_NONE;
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}
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}
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#undef HIGH_DEPTH
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aom_img_fmt_t ff_aom_pixfmt_to_imgfmt(enum AVPixelFormat pix)
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{
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switch (pix) {
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case AV_PIX_FMT_RGB24:
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return AOM_IMG_FMT_RGB24;
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case AV_PIX_FMT_RGB565BE:
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return AOM_IMG_FMT_RGB565;
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case AV_PIX_FMT_RGB555BE:
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return AOM_IMG_FMT_RGB555;
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case AV_PIX_FMT_UYVY422:
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return AOM_IMG_FMT_UYVY;
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case AV_PIX_FMT_YUYV422:
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return AOM_IMG_FMT_YUY2;
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case AV_PIX_FMT_YVYU422:
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return AOM_IMG_FMT_YVYU;
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case AV_PIX_FMT_BGR24:
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return AOM_IMG_FMT_BGR24;
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case AV_PIX_FMT_ARGB:
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return AOM_IMG_FMT_ARGB;
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case AV_PIX_FMT_BGRA:
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return AOM_IMG_FMT_ARGB_LE;
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case AV_PIX_FMT_RGB565LE:
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return AOM_IMG_FMT_RGB565_LE;
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case AV_PIX_FMT_RGB555LE:
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return AOM_IMG_FMT_RGB555_LE;
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case AV_PIX_FMT_YUV420P:
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return AOM_IMG_FMT_I420;
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case AV_PIX_FMT_YUV422P:
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return AOM_IMG_FMT_I422;
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case AV_PIX_FMT_YUV444P:
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return AOM_IMG_FMT_I444;
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case AV_PIX_FMT_YUVA444P:
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return AOM_IMG_FMT_444A;
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case AV_PIX_FMT_YUV440P:
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return AOM_IMG_FMT_I440;
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case AV_PIX_FMT_YUV420P10:
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return AOM_IMG_FMT_I42016;
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case AV_PIX_FMT_YUV422P10:
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return AOM_IMG_FMT_I42216;
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case AV_PIX_FMT_YUV444P10:
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return AOM_IMG_FMT_I44416;
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case AV_PIX_FMT_YUV420P12:
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return AOM_IMG_FMT_I42016;
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case AV_PIX_FMT_YUV422P12:
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return AOM_IMG_FMT_I42216;
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case AV_PIX_FMT_YUV444P12:
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return AOM_IMG_FMT_I44416;
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default:
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return AOM_IMG_FMT_NONE;
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}
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}
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31
libavcodec/libaom.h
Normal file
31
libavcodec/libaom.h
Normal file
@ -0,0 +1,31 @@
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/*
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* Copyright (c) 2013 Guillaume Martres <smarter@ubuntu.com>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_LIBAOM_H
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#define AVCODEC_LIBAOM_H
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#include <aom/aom_codec.h>
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#include "libavutil/pixfmt.h"
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enum AVPixelFormat ff_aom_imgfmt_to_pixfmt(aom_img_fmt_t img, int depth);
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aom_img_fmt_t ff_aom_pixfmt_to_imgfmt(enum AVPixelFormat pix);
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#endif /* AVCODEC_LIBAOM_H */
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160
libavcodec/libaomdec.c
Normal file
160
libavcodec/libaomdec.c
Normal file
@ -0,0 +1,160 @@
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/*
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* Copyright (c) 2010, Google, Inc.
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* AV1 decoder support via libaom
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*/
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#include <aom/aom_decoder.h>
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#include <aom/aomdx.h>
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#include "libavutil/common.h"
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#include "libavutil/imgutils.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "libaom.h"
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typedef struct AV1DecodeContext {
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struct aom_codec_ctx decoder;
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} AV1DecodeContext;
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static av_cold int aom_init(AVCodecContext *avctx)
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{
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AV1DecodeContext *ctx = avctx->priv_data;
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struct aom_codec_dec_cfg deccfg = {
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/* token partitions+1 would be a decent choice */
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.threads = FFMIN(avctx->thread_count, 16)
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};
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const struct aom_codec_iface *iface = &aom_codec_av1_dx_algo;
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av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
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av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
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if (aom_codec_dec_init(&ctx->decoder, iface, &deccfg, 0) != AOM_CODEC_OK) {
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const char *error = aom_codec_error(&ctx->decoder);
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av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder: %s\n",
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error);
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return AVERROR(EINVAL);
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}
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return 0;
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}
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static void image_copy_16_to_8(AVFrame *pic, struct aom_image *img)
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{
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int i;
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for (i = 0; i < 3; i++) {
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int w = img->d_w;
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int h = img->d_h;
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int x, y;
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if (i) {
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w = (w + img->x_chroma_shift) >> img->x_chroma_shift;
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h = (h + img->y_chroma_shift) >> img->y_chroma_shift;
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}
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for (y = 0; y < h; y++) {
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uint16_t *src = (uint16_t *)(img->planes[i] + y * img->stride[i]);
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uint8_t *dst = pic->data[i] + y * pic->linesize[i];
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for (x = 0; x < w; x++)
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*dst++ = *src++;
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}
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}
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}
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static int aom_decode(AVCodecContext *avctx, void *data, int *got_frame,
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AVPacket *avpkt)
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{
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AV1DecodeContext *ctx = avctx->priv_data;
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AVFrame *picture = data;
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const void *iter = NULL;
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struct aom_image *img;
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int ret;
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if (aom_codec_decode(&ctx->decoder, avpkt->data, avpkt->size, NULL) !=
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AOM_CODEC_OK) {
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const char *error = aom_codec_error(&ctx->decoder);
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const char *detail = aom_codec_error_detail(&ctx->decoder);
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av_log(avctx, AV_LOG_ERROR, "Failed to decode frame: %s\n", error);
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if (detail)
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av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n",
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detail);
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return AVERROR_INVALIDDATA;
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}
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if ((img = aom_codec_get_frame(&ctx->decoder, &iter))) {
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avctx->pix_fmt = ff_aom_imgfmt_to_pixfmt(img->fmt, img->bit_depth);
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if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
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av_log(avctx, AV_LOG_ERROR, "Unsupported output colorspace (0x%02x %dbits)\n",
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img->fmt, img->bit_depth);
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return AVERROR_INVALIDDATA;
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}
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if ((int)img->d_w != avctx->width || (int)img->d_h != avctx->height) {
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av_log(avctx, AV_LOG_INFO, "dimension change! %dx%d -> %dx%d\n",
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avctx->width, avctx->height, img->d_w, img->d_h);
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ret = ff_set_dimensions(avctx, img->d_w, img->d_h);
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if (ret < 0)
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return ret;
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}
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if ((ret = ff_get_buffer(avctx, picture, 0)) < 0)
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return ret;
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if ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) && img->bit_depth == 8)
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image_copy_16_to_8(picture, img);
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else
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av_image_copy(picture->data, picture->linesize, (const uint8_t **)img->planes,
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img->stride, avctx->pix_fmt, img->d_w, img->d_h);
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switch (img->range) {
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case AOM_CR_STUDIO_RANGE:
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picture->color_range = AVCOL_RANGE_MPEG;
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break;
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case AOM_CR_FULL_RANGE:
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picture->color_range = AVCOL_RANGE_JPEG;
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break;
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}
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*got_frame = 1;
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}
|
||||
return avpkt->size;
|
||||
}
|
||||
|
||||
static av_cold int aom_free(AVCodecContext *avctx)
|
||||
{
|
||||
AV1DecodeContext *ctx = avctx->priv_data;
|
||||
aom_codec_destroy(&ctx->decoder);
|
||||
return 0;
|
||||
}
|
||||
|
||||
AVCodec ff_libaom_av1_decoder = {
|
||||
.name = "libaom-av1",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.id = AV_CODEC_ID_AV1,
|
||||
.priv_data_size = sizeof(AV1DecodeContext),
|
||||
.init = aom_init,
|
||||
.close = aom_free,
|
||||
.decode = aom_decode,
|
||||
.capabilities = AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_DR1,
|
||||
.wrapper_name = "libaom",
|
||||
};
|
Loading…
Reference in New Issue
Block a user