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Add AV1 video decoding support through libaom

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Luca Barbato 2016-08-25 17:28:17 +02:00
parent 44a1731011
commit c438899a70
8 changed files with 342 additions and 0 deletions
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1
Changelog
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@ -20,6 +20,7 @@ version <next>:
- Intel QSV-accelerated MJPEG encoding
- NVIDIA CUVID-accelerated H.264 and HEVC decoding
- Intel QSV-accelerated overlay filter
- AV1 Support through libaom
version 12:

4
configure vendored
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@ -187,6 +187,7 @@ External library support:
--enable-bzlib bzip2 compression [autodetect]
--enable-frei0r video filtering plugins
--enable-gnutls crypto
--enable-libaom AV1 video encoding/decoding
--enable-libbs2b Bauer stereophonic-to-binaural DSP
--enable-libcdio audio CD input
--enable-libdc1394 IEEE 1394/Firewire camera input
@ -1349,6 +1350,7 @@ EXTERNAL_LIBRARY_LIST="
avxsynth
frei0r
gnutls
libaom
libbs2b
libdc1394
libdcadec
@ -2363,6 +2365,7 @@ avisynth_deps="LoadLibrary"
avxsynth_deps="libdl"
avisynth_demuxer_deps_any="avisynth avxsynth"
avisynth_demuxer_select="riffdec"
libaom_av1_decoder_deps="libaom"
libdcadec_decoder_deps="libdcadec"
libfaac_encoder_deps="libfaac"
libfaac_encoder_select="audio_frame_queue"
@ -4641,6 +4644,7 @@ enabled cuvid && require cuvid cuviddec.h cuvidCreateDecoder -lnvcuv
enabled frei0r && require_header frei0r.h
enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init &&
check_lib gmp gmp.h mpz_export -lgmp
enabled libaom && require_pkg_config libaom "aom >= 0.1.0" aom/aom_codec.h aom_codec_version
enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec

10
doc/general.texi
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@ -16,6 +16,14 @@ for more formats. None of them are used by default, their use has to be
explicitly requested by passing the appropriate flags to
@command{./configure}.
@section Alliance for Open Media libaom
Libav can make use of the libaom library for AV1 decoding.
Go to @url{http://aomedia.org/} and follow the instructions for
installing the library. Then pass @code{--enable-libaom} to configure to
enable it.
@section OpenCORE and VisualOn libraries
Spun off Google Android sources, OpenCore, VisualOn and Fraunhofer
@ -617,6 +625,8 @@ following image formats are supported:
@item Autodesk Animator Flic video @tab @tab X
@item Autodesk RLE @tab @tab X
@tab fourcc: AASC
@item AV1 @tab @tab E
@tab Supported through external library libaom
@item AVS (Audio Video Standard) video @tab @tab X
@tab Video encoding used by the Creature Shock game.
@item Beam Software VB @tab @tab X

2
libavcodec/Makefile
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@ -687,6 +687,7 @@ OBJS-$(CONFIG_TAK_DEMUXER) += tak.o
OBJS-$(CONFIG_WEBM_MUXER) += mpeg4audio.o
# external codec libraries
OBJS-$(CONFIG_LIBAOM_AV1_DECODER) += libaomdec.o libaom.o
OBJS-$(CONFIG_LIBDCADEC_DECODER) += libdcadec.o dca.o
OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o
OBJS-$(CONFIG_LIBFDK_AAC_DECODER) += libfdk-aacdec.o
@ -814,6 +815,7 @@ SKIPHEADERS-$(CONFIG_CUVID) += cuvid.h
SKIPHEADERS-$(CONFIG_AMF) += amfenc.h
SKIPHEADERS-$(CONFIG_D3D11VA) += d3d11va.h dxva2_internal.h
SKIPHEADERS-$(CONFIG_DXVA2) += dxva2.h dxva2_internal.h
SKIPHEADERS-$(CONFIG_LIBAOM) += libaom.h
SKIPHEADERS-$(CONFIG_LIBSCHROEDINGER) += libschroedinger.h
SKIPHEADERS-$(CONFIG_LIBVPX) += libvpx.h
SKIPHEADERS-$(CONFIG_NVENC) += nvenc.h

1
libavcodec/allcodecs.c
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@ -421,6 +421,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (XSUB, xsub);
/* external libraries */
REGISTER_DECODER(LIBAOM_AV1, libaom_av1);
REGISTER_DECODER(LIBDCADEC, libdcadec)
REGISTER_ENCODER(LIBFAAC, libfaac);
REGISTER_ENCDEC (LIBFDK_AAC, libfdk_aac);

133
libavcodec/libaom.c Normal file
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@ -0,0 +1,133 @@
/*
* Copyright (c) 2013 Guillaume Martres <smarter@ubuntu.com>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <aom/aom_image.h>
#include "libaom.h"
#define HIGH_DEPTH(fmt) \
case AOM_IMG_FMT_I ## fmt ## 16: \
switch (depth) { \
case 8: \
return AV_PIX_FMT_YUV ## fmt ## P; \
case 10: \
return AV_PIX_FMT_YUV ## fmt ## P10; \
case 12: \
return AV_PIX_FMT_YUV ## fmt ## P12; \
default: \
return AV_PIX_FMT_NONE; \
}
enum AVPixelFormat ff_aom_imgfmt_to_pixfmt(aom_img_fmt_t img, int depth)
{
switch (img) {
case AOM_IMG_FMT_RGB24:
return AV_PIX_FMT_RGB24;
case AOM_IMG_FMT_RGB565:
return AV_PIX_FMT_RGB565BE;
case AOM_IMG_FMT_RGB555:
return AV_PIX_FMT_RGB555BE;
case AOM_IMG_FMT_UYVY:
return AV_PIX_FMT_UYVY422;
case AOM_IMG_FMT_YUY2:
return AV_PIX_FMT_YUYV422;
case AOM_IMG_FMT_YVYU:
return AV_PIX_FMT_YVYU422;
case AOM_IMG_FMT_BGR24:
return AV_PIX_FMT_BGR24;
case AOM_IMG_FMT_ARGB:
return AV_PIX_FMT_ARGB;
case AOM_IMG_FMT_ARGB_LE:
return AV_PIX_FMT_BGRA;
case AOM_IMG_FMT_RGB565_LE:
return AV_PIX_FMT_RGB565LE;
case AOM_IMG_FMT_RGB555_LE:
return AV_PIX_FMT_RGB555LE;
case AOM_IMG_FMT_I420:
return AV_PIX_FMT_YUV420P;
case AOM_IMG_FMT_I422:
return AV_PIX_FMT_YUV422P;
case AOM_IMG_FMT_I444:
return AV_PIX_FMT_YUV444P;
case AOM_IMG_FMT_444A:
return AV_PIX_FMT_YUVA444P;
case AOM_IMG_FMT_I440:
return AV_PIX_FMT_YUV440P;
HIGH_DEPTH(420)
HIGH_DEPTH(422)
HIGH_DEPTH(444)
default:
return AV_PIX_FMT_NONE;
}
}
#undef HIGH_DEPTH
aom_img_fmt_t ff_aom_pixfmt_to_imgfmt(enum AVPixelFormat pix)
{
switch (pix) {
case AV_PIX_FMT_RGB24:
return AOM_IMG_FMT_RGB24;
case AV_PIX_FMT_RGB565BE:
return AOM_IMG_FMT_RGB565;
case AV_PIX_FMT_RGB555BE:
return AOM_IMG_FMT_RGB555;
case AV_PIX_FMT_UYVY422:
return AOM_IMG_FMT_UYVY;
case AV_PIX_FMT_YUYV422:
return AOM_IMG_FMT_YUY2;
case AV_PIX_FMT_YVYU422:
return AOM_IMG_FMT_YVYU;
case AV_PIX_FMT_BGR24:
return AOM_IMG_FMT_BGR24;
case AV_PIX_FMT_ARGB:
return AOM_IMG_FMT_ARGB;
case AV_PIX_FMT_BGRA:
return AOM_IMG_FMT_ARGB_LE;
case AV_PIX_FMT_RGB565LE:
return AOM_IMG_FMT_RGB565_LE;
case AV_PIX_FMT_RGB555LE:
return AOM_IMG_FMT_RGB555_LE;
case AV_PIX_FMT_YUV420P:
return AOM_IMG_FMT_I420;
case AV_PIX_FMT_YUV422P:
return AOM_IMG_FMT_I422;
case AV_PIX_FMT_YUV444P:
return AOM_IMG_FMT_I444;
case AV_PIX_FMT_YUVA444P:
return AOM_IMG_FMT_444A;
case AV_PIX_FMT_YUV440P:
return AOM_IMG_FMT_I440;
case AV_PIX_FMT_YUV420P10:
return AOM_IMG_FMT_I42016;
case AV_PIX_FMT_YUV422P10:
return AOM_IMG_FMT_I42216;
case AV_PIX_FMT_YUV444P10:
return AOM_IMG_FMT_I44416;
case AV_PIX_FMT_YUV420P12:
return AOM_IMG_FMT_I42016;
case AV_PIX_FMT_YUV422P12:
return AOM_IMG_FMT_I42216;
case AV_PIX_FMT_YUV444P12:
return AOM_IMG_FMT_I44416;
default:
return AOM_IMG_FMT_NONE;
}
}

31
libavcodec/libaom.h Normal file
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@ -0,0 +1,31 @@
/*
* Copyright (c) 2013 Guillaume Martres <smarter@ubuntu.com>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_LIBAOM_H
#define AVCODEC_LIBAOM_H
#include <aom/aom_codec.h>
#include "libavutil/pixfmt.h"
enum AVPixelFormat ff_aom_imgfmt_to_pixfmt(aom_img_fmt_t img, int depth);
aom_img_fmt_t ff_aom_pixfmt_to_imgfmt(enum AVPixelFormat pix);
#endif /* AVCODEC_LIBAOM_H */

160
libavcodec/libaomdec.c Normal file
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@ -0,0 +1,160 @@
/*
* Copyright (c) 2010, Google, Inc.
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* AV1 decoder support via libaom
*/
#include <aom/aom_decoder.h>
#include <aom/aomdx.h>
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "internal.h"
#include "libaom.h"
typedef struct AV1DecodeContext {
struct aom_codec_ctx decoder;
} AV1DecodeContext;
static av_cold int aom_init(AVCodecContext *avctx)
{
AV1DecodeContext *ctx = avctx->priv_data;
struct aom_codec_dec_cfg deccfg = {
/* token partitions+1 would be a decent choice */
.threads = FFMIN(avctx->thread_count, 16)
};
const struct aom_codec_iface *iface = &aom_codec_av1_dx_algo;
av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
if (aom_codec_dec_init(&ctx->decoder, iface, &deccfg, 0) != AOM_CODEC_OK) {
const char *error = aom_codec_error(&ctx->decoder);
av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder: %s\n",
error);
return AVERROR(EINVAL);
}
return 0;
}
static void image_copy_16_to_8(AVFrame *pic, struct aom_image *img)
{
int i;
for (i = 0; i < 3; i++) {
int w = img->d_w;
int h = img->d_h;
int x, y;
if (i) {
w = (w + img->x_chroma_shift) >> img->x_chroma_shift;
h = (h + img->y_chroma_shift) >> img->y_chroma_shift;
}
for (y = 0; y < h; y++) {
uint16_t *src = (uint16_t *)(img->planes[i] + y * img->stride[i]);
uint8_t *dst = pic->data[i] + y * pic->linesize[i];
for (x = 0; x < w; x++)
*dst++ = *src++;
}
}
}
static int aom_decode(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
AV1DecodeContext *ctx = avctx->priv_data;
AVFrame *picture = data;
const void *iter = NULL;
struct aom_image *img;
int ret;
if (aom_codec_decode(&ctx->decoder, avpkt->data, avpkt->size, NULL) !=
AOM_CODEC_OK) {
const char *error = aom_codec_error(&ctx->decoder);
const char *detail = aom_codec_error_detail(&ctx->decoder);
av_log(avctx, AV_LOG_ERROR, "Failed to decode frame: %s\n", error);
if (detail)
av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n",
detail);
return AVERROR_INVALIDDATA;
}
if ((img = aom_codec_get_frame(&ctx->decoder, &iter))) {
avctx->pix_fmt = ff_aom_imgfmt_to_pixfmt(img->fmt, img->bit_depth);
if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
av_log(avctx, AV_LOG_ERROR, "Unsupported output colorspace (0x%02x %dbits)\n",
img->fmt, img->bit_depth);
return AVERROR_INVALIDDATA;
}
if ((int)img->d_w != avctx->width || (int)img->d_h != avctx->height) {
av_log(avctx, AV_LOG_INFO, "dimension change! %dx%d -> %dx%d\n",
avctx->width, avctx->height, img->d_w, img->d_h);
ret = ff_set_dimensions(avctx, img->d_w, img->d_h);
if (ret < 0)
return ret;
}
if ((ret = ff_get_buffer(avctx, picture, 0)) < 0)
return ret;
if ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) && img->bit_depth == 8)
image_copy_16_to_8(picture, img);
else
av_image_copy(picture->data, picture->linesize, (const uint8_t **)img->planes,
img->stride, avctx->pix_fmt, img->d_w, img->d_h);
switch (img->range) {
case AOM_CR_STUDIO_RANGE:
picture->color_range = AVCOL_RANGE_MPEG;
break;
case AOM_CR_FULL_RANGE:
picture->color_range = AVCOL_RANGE_JPEG;
break;
}
*got_frame = 1;
}
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",
};