mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
Add libx265 encoder
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
parent
f5d92d9cab
commit
50ea93158d
@ -57,6 +57,7 @@ version 10:
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- framepack filter
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- Mirillis FIC video decoder
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- Support DNx444
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- libx265 encoder
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version 9:
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2
LICENSE
2
LICENSE
@ -46,7 +46,7 @@ affect the licensing of binaries resulting from the combination.
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compatible libraries
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--------------------
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The libcdio, libx264, libxavs and libxvid libraries are under GPL. When
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The libcdio, libx264, libx265, libxavs and libxvid libraries are under GPL. When
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combining them with Libav, Libav needs to be licensed as GPL as well by
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passing --enable-gpl to configure.
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7
configure
vendored
7
configure
vendored
@ -204,6 +204,7 @@ External library support:
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--enable-libwavpack enable wavpack encoding via libwavpack [no]
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--enable-libwebp enable WebP encoding via libwebp [no]
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--enable-libx264 enable H.264 encoding via x264 [no]
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--enable-libx265 enable HEVC encoding via x265 [no]
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--enable-libxavs enable AVS encoding via xavs [no]
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--enable-libxvid enable Xvid encoding via xvidcore,
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native MPEG-4/Xvid encoder exists [no]
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@ -1128,6 +1129,7 @@ EXTERNAL_LIBRARY_LIST="
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libwavpack
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libwebp
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libx264
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libx265
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libxavs
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libxvid
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openssl
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@ -1885,6 +1887,7 @@ libvpx_vp9_encoder_deps="libvpx"
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libwavpack_encoder_deps="libwavpack"
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libwebp_encoder_deps="libwebp"
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libx264_encoder_deps="libx264"
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libx265_encoder_deps="libx265"
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libxavs_encoder_deps="libxavs"
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libxvid_encoder_deps="libxvid"
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@ -3530,6 +3533,7 @@ die_license_disabled() {
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die_license_disabled gpl libcdio
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die_license_disabled gpl libx264
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die_license_disabled gpl libx265
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die_license_disabled gpl libxavs
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die_license_disabled gpl libxvid
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die_license_disabled gpl x11grab
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@ -3954,6 +3958,9 @@ enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEnc
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enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
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{ check_cpp_condition x264.h "X264_BUILD >= 118" ||
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die "ERROR: libx264 version must be >= 0.118."; }
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enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
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{ check_cpp_condition x265.h "X265_BUILD >= 5" ||
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die "ERROR: libx265 version must be >= 5."; }
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enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
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enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
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enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
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@ -101,6 +101,20 @@ x264 is under the GNU Public License Version 2 or later
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details), you must upgrade Libav's license to GPL in order to use it.
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@end float
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@section x265
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Libav can make use of the x265 library for HEVC encoding.
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Go to @url{http://x265.org/developers.html} and follow the instructions
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for installing the library. Then pass @code{--enable-libx265} to configure
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to enable it.
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@float note
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x265 is under the GNU Public License Version 2 or later
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(see @url{http://www.gnu.org/licenses/old-licenses/gpl-2.0.html} for
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details), you must upgrade FFmpeg's license to GPL in order to use it.
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@end float
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@section libilbc
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iLBC is a narrowband speech codec that has been made freely available
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@ -274,7 +288,7 @@ library:
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@item raw H.261 @tab X @tab X
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@item raw H.263 @tab X @tab X
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@item raw H.264 @tab X @tab X
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@item raw HEVC @tab @tab X
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@item raw HEVC @tab X @tab X
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@item raw Ingenient MJPEG @tab @tab X
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@item raw MJPEG @tab X @tab X
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@item raw MLP @tab @tab X
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@ -529,7 +543,8 @@ following image formats are supported:
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@item H.263+ / H.263-1998 / H.263 version 2 @tab X @tab X
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@item H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 @tab E @tab X
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@tab encoding supported through external library libx264
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@item HEVC @tab @tab X
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@item HEVC @tab X @tab X
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@tab encoding supported through the external library libx265
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@item HNM version 4 @tab @tab X
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@item HuffYUV @tab X @tab X
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@item HuffYUV FFmpeg variant @tab X @tab X
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@ -616,6 +616,7 @@ OBJS-$(CONFIG_LIBVPX_VP9_ENCODER) += libvpxenc.o libvpx.o
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OBJS-$(CONFIG_LIBWAVPACK_ENCODER) += libwavpackenc.o
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OBJS-$(CONFIG_LIBWEBP_ENCODER) += libwebpenc.o
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OBJS-$(CONFIG_LIBX264_ENCODER) += libx264.o
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OBJS-$(CONFIG_LIBX265_ENCODER) += libx265.o
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OBJS-$(CONFIG_LIBXAVS_ENCODER) += libxavs.o
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OBJS-$(CONFIG_LIBXVID_ENCODER) += libxvid.o
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@ -441,6 +441,7 @@ void avcodec_register_all(void)
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REGISTER_ENCODER(LIBWAVPACK, libwavpack);
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REGISTER_ENCODER(LIBWEBP, libwebp);
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REGISTER_ENCODER(LIBX264, libx264);
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REGISTER_ENCODER(LIBX265, libx265);
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REGISTER_ENCODER(LIBXAVS, libxavs);
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REGISTER_ENCODER(LIBXVID, libxvid);
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284
libavcodec/libx265.c
Normal file
284
libavcodec/libx265.c
Normal file
@ -0,0 +1,284 @@
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/*
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* libx265 encoder
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*
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* Copyright (c) 2013-2014 Derek Buitenhuis
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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 <x265.h>
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#include "libavutil/internal.h"
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avcodec.h"
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#include "internal.h"
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typedef struct libx265Context {
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const AVClass *class;
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x265_encoder *encoder;
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x265_param *params;
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uint8_t *header;
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int header_size;
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char *preset;
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char *tune;
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char *x265_opts;
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} libx265Context;
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static int is_keyframe(NalUnitType naltype)
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{
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switch (naltype) {
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case NAL_UNIT_CODED_SLICE_BLA_W_LP:
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case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
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case NAL_UNIT_CODED_SLICE_BLA_N_LP:
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case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
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case NAL_UNIT_CODED_SLICE_IDR_N_LP:
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case NAL_UNIT_CODED_SLICE_CRA:
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return 1;
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default:
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return 0;
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}
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}
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static av_cold int libx265_encode_close(AVCodecContext *avctx)
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{
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libx265Context *ctx = avctx->priv_data;
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av_frame_free(&avctx->coded_frame);
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av_freep(&ctx->header);
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x265_param_free(ctx->params);
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if (ctx->encoder)
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x265_encoder_close(ctx->encoder);
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return 0;
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}
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static av_cold int libx265_encode_init(AVCodecContext *avctx)
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{
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libx265Context *ctx = avctx->priv_data;
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x265_nal *nal;
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uint8_t *buf;
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int nnal;
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int ret;
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int i;
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avctx->coded_frame = av_frame_alloc();
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if (!avctx->coded_frame) {
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av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
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return AVERROR(ENOMEM);
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}
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ctx->params = x265_param_alloc();
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if (!ctx->params) {
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av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n");
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return AVERROR(ENOMEM);
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}
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x265_param_default(ctx->params);
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if (x265_param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) {
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av_log(avctx, AV_LOG_ERROR, "Invalid preset or tune.\n");
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return AVERROR(EINVAL);
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}
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ctx->params->frameNumThreads = avctx->thread_count;
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ctx->params->frameRate = (int) (avctx->time_base.den / avctx->time_base.num);
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ctx->params->sourceWidth = avctx->width;
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ctx->params->sourceHeight = avctx->height;
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ctx->params->inputBitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth_minus1 + 1;
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if (avctx->bit_rate > 0) {
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ctx->params->rc.bitrate = avctx->bit_rate / 1000;
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ctx->params->rc.rateControlMode = X265_RC_ABR;
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}
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if (ctx->x265_opts) {
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AVDictionary *dict = NULL;
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AVDictionaryEntry *en = NULL;
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if (!av_dict_parse_string(&dict, ctx->x265_opts, "=", ":", 0)) {
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while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
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int parse_ret = x265_param_parse(ctx->params, en->key, en->value);
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switch (parse_ret) {
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case X265_PARAM_BAD_NAME:
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av_log(avctx, AV_LOG_WARNING,
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"Unknown option: %s.\n", en->key);
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break;
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case X265_PARAM_BAD_VALUE:
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av_log(avctx, AV_LOG_WARNING,
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"Invalid value for %s: %s.\n", en->key, en->value);
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break;
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default:
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break;
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}
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}
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av_dict_free(&dict);
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}
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}
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ctx->encoder = x265_encoder_open(ctx->params);
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if (!ctx->encoder) {
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av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
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libx265_encode_close(avctx);
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return AVERROR_INVALIDDATA;
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}
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ret = x265_encoder_headers(ctx->encoder, &nal, &nnal);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n");
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libx265_encode_close(avctx);
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return AVERROR_INVALIDDATA;
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}
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for (i = 0; i < nnal; i++)
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ctx->header_size += nal[i].sizeBytes;
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ctx->header = av_malloc(ctx->header_size);
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if (!ctx->header) {
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av_log(avctx, AV_LOG_ERROR,
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"Cannot allocate HEVC header of size %d.\n", ctx->header_size);
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libx265_encode_close(avctx);
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return AVERROR(ENOMEM);
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}
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buf = ctx->header;
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for (i = 0; i < nnal; i++) {
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memcpy(buf, nal[i].payload, nal[i].sizeBytes);
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buf += nal[i].sizeBytes;
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}
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return 0;
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}
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static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *pic, int *got_packet)
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{
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libx265Context *ctx = avctx->priv_data;
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x265_picture x265pic;
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x265_picture x265pic_out = { { 0 } };
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x265_nal *nal;
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uint8_t *dst;
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int payload = 0;
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int nnal;
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int ret;
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int i;
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if (pic) {
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for (i = 0; i < 3; i++) {
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x265pic.planes[i] = pic->data[i];
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x265pic.stride[i] = pic->linesize[i];
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}
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x265pic.pts = pic->pts;
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}
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ret = x265_encoder_encode(ctx->encoder, &nal, &nnal,
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pic ? &x265pic : NULL, &x265pic_out);
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if (ret < 0)
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return AVERROR_UNKNOWN;
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if (!nnal)
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return 0;
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for (i = 0; i < nnal; i++)
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payload += nal[i].sizeBytes;
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payload += ctx->header_size;
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ret = ff_alloc_packet(pkt, payload);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
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return ret;
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}
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dst = pkt->data;
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if (ctx->header) {
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memcpy(dst, ctx->header, ctx->header_size);
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dst += ctx->header_size;
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av_freep(&ctx->header);
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ctx->header_size = 0;
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}
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for (i = 0; i < nnal; i++) {
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memcpy(dst, nal[i].payload, nal[i].sizeBytes);
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dst += nal[i].sizeBytes;
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if (is_keyframe(nal[i].type))
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pkt->flags |= AV_PKT_FLAG_KEY;
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}
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pkt->pts = x265pic_out.pts;
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pkt->dts = x265pic_out.dts;
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*got_packet = 1;
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return 0;
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}
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static const enum AVPixelFormat x265_csp_eight[] = {
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AV_PIX_FMT_YUV420P,
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AV_PIX_FMT_NONE
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};
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static const enum AVPixelFormat x265_csp_twelve[] = {
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AV_PIX_FMT_YUV420P,
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AV_PIX_FMT_YUV420P10,
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AV_PIX_FMT_NONE
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};
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static av_cold void libx265_encode_init_csp(AVCodec *codec)
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{
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if (x265_max_bit_depth == 8)
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codec->pix_fmts = x265_csp_eight;
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else if (x265_max_bit_depth == 12)
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codec->pix_fmts = x265_csp_twelve;
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}
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#define OFFSET(x) offsetof(libx265Context, x)
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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{ "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
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{ "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
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{ "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
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{ NULL }
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};
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static const AVClass class = {
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.class_name = "libx265",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_libx265_encoder = {
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.name = "libx265",
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.long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_HEVC,
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.init = libx265_encode_init,
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.init_static_data = libx265_encode_init_csp,
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.encode2 = libx265_encode_frame,
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.close = libx265_encode_close,
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.priv_data_size = sizeof(libx265Context),
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.priv_class = &class,
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.capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
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};
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#include "libavutil/version.h"
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#define LIBAVCODEC_VERSION_MAJOR 55
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#define LIBAVCODEC_VERSION_MINOR 33
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#define LIBAVCODEC_VERSION_MINOR 34
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#define LIBAVCODEC_VERSION_MICRO 0
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#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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