From: Luca Barbato <lu_z...@gentoo.org>
Signed-off-by: Diego Biurrun <di...@biurrun.de>
---
Changelog | 1 +
configure | 4 ++
doc/general.texi | 10 ++++
libavcodec/Makefile | 2 +
libavcodec/allcodecs.c | 1 +
libavcodec/libaom.c | 75 +++++++++++++++++++++++++++
libavcodec/libaom.h | 31 +++++++++++
libavcodec/libaomdec.c | 137 +++++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
9 files changed, 262 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/libaom.c
create mode 100644 libavcodec/libaom.h
create mode 100644 libavcodec/libaomdec.c
diff --git a/Changelog b/Changelog
index 0d04f47..5ee2346 100644
--- a/Changelog
+++ b/Changelog
@@ -62,6 +62,7 @@ version <next>:
- Intel QSV video scaling and deinterlacing filter
- OpenH264 decoder wrapper
- Removed the legacy X11 screen grabber, use XCB instead
+- Alliance for Open Media AV1 decoding support using libaom
version 11:
diff --git a/configure b/configure
index e7bf537..cca6faf 100755
--- a/configure
+++ b/configure
@@ -188,6 +188,7 @@ 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
@@ -1264,6 +1265,7 @@ EXTERNAL_LIBRARY_LIST="
bzlib
frei0r
gnutls
+ libaom
libbs2b
libdc1394
libdcadec
@@ -2236,6 +2238,7 @@ vc1_parser_select="vc1dsp"
mjpeg2jpeg_bsf_select="jpegtables"
# external libraries
+libaom_av1_decoder_deps="libaom"
libdcadec_decoder_deps="libdcadec"
libfaac_encoder_deps="libfaac"
libfaac_encoder_select="audio_frame_queue"
@@ -4597,6 +4600,7 @@ enabled avisynth && { check_lib2
"avisynth/avisynth_c.h windows.h" Load
enabled cuda && check_lib cuda.h cuInit -lcuda
enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h
header not found"; }
enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h
gnutls_global_init
+enabled libaom && require_pkg_config "aom >= 0.1.0" aom/aom_codec.h
aom_codec_version
enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
enabled libdcadec && require libdcadec libdcadec/dca_context.h
dcadec_context_create -ldcadec
enabled libfaac && require2 libfaac "stdint.h faac.h"
faacEncGetVersion -lfaac
diff --git a/doc/general.texi b/doc/general.texi
index ea56bef..63b1afd 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -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
@@ -576,6 +584,8 @@ 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
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 8eb7d36..65e95f3 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -653,6 +653,7 @@ 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
@@ -770,6 +771,7 @@ SKIPHEADERS += %_tablegen.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_MPEG_XVMC_DECODER) += xvmc.h
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index e259de2..e3ccd55 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -458,6 +458,7 @@ 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);
diff --git a/libavcodec/libaom.c b/libavcodec/libaom.c
new file mode 100644
index 0000000..f8bcc37
--- /dev/null
+++ b/libavcodec/libaom.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2013 Guillaume Martres <smar...@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"
+
+enum AVPixelFormat ff_aom_imgfmt_to_pixfmt(aom_img_fmt_t img)
+{
+ 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;
+ case AOM_IMG_FMT_I42016: return AV_PIX_FMT_YUV420P16BE;
+ case AOM_IMG_FMT_I42216: return AV_PIX_FMT_YUV422P16BE;
+ case AOM_IMG_FMT_I44416: return AV_PIX_FMT_YUV444P16BE;
+ default: return AV_PIX_FMT_NONE;
+ }
+}
+
+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_YUV420P16BE: return AOM_IMG_FMT_I42016;
+ case AV_PIX_FMT_YUV422P16BE: return AOM_IMG_FMT_I42216;
+ case AV_PIX_FMT_YUV444P16BE: return AOM_IMG_FMT_I44416;
+ default: return AOM_IMG_FMT_NONE;
+ }
+}
diff --git a/libavcodec/libaom.h b/libavcodec/libaom.h
new file mode 100644
index 0000000..7a7b8db
--- /dev/null
+++ b/libavcodec/libaom.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2013 Guillaume Martres <smar...@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);
+aom_img_fmt_t ff_aom_pixfmt_to_imgfmt(enum AVPixelFormat pix);
+
+#endif /* AVCODEC_LIBAOM_H */
diff --git a/libavcodec/libaomdec.c b/libavcodec/libaomdec.c
new file mode 100644
index 0000000..4661300
--- /dev/null
+++ b/libavcodec/libaomdec.c
@@ -0,0 +1,137 @@
+/*
+ * 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 AV1DecoderContext {
+ struct aom_codec_ctx decoder;
+} AV1Context;
+
+static av_cold int aom_init(AVCodecContext *avctx,
+ const struct aom_codec_iface *iface)
+{
+ AV1Context *ctx = avctx->priv_data;
+ struct aom_codec_dec_cfg deccfg = {
+ /* token partitions+1 would be a decent choice */
+ .threads = FFMIN(avctx->thread_count, 16)
+ };
+
+ 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 int av1_decode(AVCodecContext *avctx,
+ void *data, int *got_frame, AVPacket *avpkt)
+{
+ AV1Context *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, 0) !=
+ 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);
+ if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
+ av_log(avctx, AV_LOG_ERROR, "Unsupported output colorspace (%d)\n",
+ img->fmt);
+ 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;
+ 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 av1_free(AVCodecContext *avctx)
+{
+ AV1Context *ctx = avctx->priv_data;
+ aom_codec_destroy(&ctx->decoder);
+ return 0;
+}
+
+static av_cold int av1_init(AVCodecContext *avctx)
+{
+ return aom_init(avctx, &aom_codec_av1_dx_algo);
+}
+
+AVCodec ff_libaom_av1_decoder = {
+ .name = "libaom",
+ .long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_AV1,
+ .priv_data_size = sizeof(AV1Context),
+ .init = av1_init,
+ .close = av1_free,
+ .decode = av1_decode,
+ .capabilities = AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_DR1,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index f944709..19970b2 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
-#define LIBAVCODEC_VERSION_MINOR 25
+#define LIBAVCODEC_VERSION_MINOR 26
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
--
2.7.3
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