From 50ea93158d4c480f64069e8bd1da388486dcf4ba Mon Sep 17 00:00:00 2001 From: Derek Buitenhuis Date: Wed, 2 Oct 2013 14:46:26 +0000 Subject: Add libx265 encoder Signed-off-by: Derek Buitenhuis --- Changelog | 1 + LICENSE | 2 +- configure | 7 ++ doc/general.texi | 19 +++- libavcodec/Makefile | 1 + libavcodec/allcodecs.c | 1 + libavcodec/libx265.c | 284 +++++++++++++++++++++++++++++++++++++++++++++++++ libavcodec/version.h | 2 +- 8 files changed, 313 insertions(+), 4 deletions(-) create mode 100644 libavcodec/libx265.c diff --git a/Changelog b/Changelog index 6c54281d5f..bed6c315f5 100644 --- a/Changelog +++ b/Changelog @@ -57,6 +57,7 @@ version 10: - framepack filter - Mirillis FIC video decoder - Support DNx444 +- libx265 encoder version 9: diff --git a/LICENSE b/LICENSE index 20d82c392e..fb2917830c 100644 --- a/LICENSE +++ b/LICENSE @@ -46,7 +46,7 @@ affect the licensing of binaries resulting from the combination. compatible libraries -------------------- -The libcdio, libx264, libxavs and libxvid libraries are under GPL. When +The libcdio, libx264, libx265, libxavs and libxvid libraries are under GPL. When combining them with Libav, Libav needs to be licensed as GPL as well by passing --enable-gpl to configure. diff --git a/configure b/configure index f4ee8813d3..1afba25cec 100755 --- a/configure +++ b/configure @@ -204,6 +204,7 @@ External library support: --enable-libwavpack enable wavpack encoding via libwavpack [no] --enable-libwebp enable WebP encoding via libwebp [no] --enable-libx264 enable H.264 encoding via x264 [no] + --enable-libx265 enable HEVC encoding via x265 [no] --enable-libxavs enable AVS encoding via xavs [no] --enable-libxvid enable Xvid encoding via xvidcore, native MPEG-4/Xvid encoder exists [no] @@ -1128,6 +1129,7 @@ EXTERNAL_LIBRARY_LIST=" libwavpack libwebp libx264 + libx265 libxavs libxvid openssl @@ -1885,6 +1887,7 @@ libvpx_vp9_encoder_deps="libvpx" libwavpack_encoder_deps="libwavpack" libwebp_encoder_deps="libwebp" libx264_encoder_deps="libx264" +libx265_encoder_deps="libx265" libxavs_encoder_deps="libxavs" libxvid_encoder_deps="libxvid" @@ -3530,6 +3533,7 @@ die_license_disabled() { die_license_disabled gpl libcdio die_license_disabled gpl libx264 +die_license_disabled gpl libx265 die_license_disabled gpl libxavs die_license_disabled gpl libxvid die_license_disabled gpl x11grab @@ -3954,6 +3958,9 @@ enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEnc enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 && { check_cpp_condition x264.h "X264_BUILD >= 118" || die "ERROR: libx264 version must be >= 0.118."; } +enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode && + { check_cpp_condition x265.h "X265_BUILD >= 5" || + die "ERROR: libx265 version must be >= 5."; } enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto || diff --git a/doc/general.texi b/doc/general.texi index 5f9500eaac..bb2fcf3abe 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -101,6 +101,20 @@ x264 is under the GNU Public License Version 2 or later details), you must upgrade Libav's license to GPL in order to use it. @end float +@section x265 + +Libav can make use of the x265 library for HEVC encoding. + +Go to @url{http://x265.org/developers.html} and follow the instructions +for installing the library. Then pass @code{--enable-libx265} to configure +to enable it. + +@float note +x265 is under the GNU Public License Version 2 or later +(see @url{http://www.gnu.org/licenses/old-licenses/gpl-2.0.html} for +details), you must upgrade FFmpeg's license to GPL in order to use it. +@end float + @section libilbc iLBC is a narrowband speech codec that has been made freely available @@ -274,7 +288,7 @@ library: @item raw H.261 @tab X @tab X @item raw H.263 @tab X @tab X @item raw H.264 @tab X @tab X -@item raw HEVC @tab @tab X +@item raw HEVC @tab X @tab X @item raw Ingenient MJPEG @tab @tab X @item raw MJPEG @tab X @tab X @item raw MLP @tab @tab X @@ -529,7 +543,8 @@ following image formats are supported: @item H.263+ / H.263-1998 / H.263 version 2 @tab X @tab X @item H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 @tab E @tab X @tab encoding supported through external library libx264 -@item HEVC @tab @tab X +@item HEVC @tab X @tab X + @tab encoding supported through the external library libx265 @item HNM version 4 @tab @tab X @item HuffYUV @tab X @tab X @item HuffYUV FFmpeg variant @tab X @tab X diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 7838709526..58defc9c21 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -616,6 +616,7 @@ OBJS-$(CONFIG_LIBVPX_VP9_ENCODER) += libvpxenc.o libvpx.o OBJS-$(CONFIG_LIBWAVPACK_ENCODER) += libwavpackenc.o OBJS-$(CONFIG_LIBWEBP_ENCODER) += libwebpenc.o OBJS-$(CONFIG_LIBX264_ENCODER) += libx264.o +OBJS-$(CONFIG_LIBX265_ENCODER) += libx265.o OBJS-$(CONFIG_LIBXAVS_ENCODER) += libxavs.o OBJS-$(CONFIG_LIBXVID_ENCODER) += libxvid.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index b6c27c002a..ed6d7ff115 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -441,6 +441,7 @@ void avcodec_register_all(void) REGISTER_ENCODER(LIBWAVPACK, libwavpack); REGISTER_ENCODER(LIBWEBP, libwebp); REGISTER_ENCODER(LIBX264, libx264); + REGISTER_ENCODER(LIBX265, libx265); REGISTER_ENCODER(LIBXAVS, libxavs); REGISTER_ENCODER(LIBXVID, libxvid); diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c new file mode 100644 index 0000000000..e63e0cb75d --- /dev/null +++ b/libavcodec/libx265.c @@ -0,0 +1,284 @@ +/* + * libx265 encoder + * + * Copyright (c) 2013-2014 Derek Buitenhuis + * + * 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 + +#include "libavutil/internal.h" +#include "libavutil/common.h" +#include "libavutil/opt.h" +#include "libavutil/pixdesc.h" +#include "avcodec.h" +#include "internal.h" + +typedef struct libx265Context { + const AVClass *class; + + x265_encoder *encoder; + x265_param *params; + uint8_t *header; + int header_size; + + char *preset; + char *tune; + char *x265_opts; +} libx265Context; + +static int is_keyframe(NalUnitType naltype) +{ + switch (naltype) { + case NAL_UNIT_CODED_SLICE_BLA_W_LP: + case NAL_UNIT_CODED_SLICE_BLA_W_RADL: + case NAL_UNIT_CODED_SLICE_BLA_N_LP: + case NAL_UNIT_CODED_SLICE_IDR_W_RADL: + case NAL_UNIT_CODED_SLICE_IDR_N_LP: + case NAL_UNIT_CODED_SLICE_CRA: + return 1; + default: + return 0; + } +} + +static av_cold int libx265_encode_close(AVCodecContext *avctx) +{ + libx265Context *ctx = avctx->priv_data; + + av_frame_free(&avctx->coded_frame); + av_freep(&ctx->header); + + x265_param_free(ctx->params); + + if (ctx->encoder) + x265_encoder_close(ctx->encoder); + + return 0; +} + +static av_cold int libx265_encode_init(AVCodecContext *avctx) +{ + libx265Context *ctx = avctx->priv_data; + x265_nal *nal; + uint8_t *buf; + int nnal; + int ret; + int i; + + avctx->coded_frame = av_frame_alloc(); + if (!avctx->coded_frame) { + av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n"); + return AVERROR(ENOMEM); + } + + ctx->params = x265_param_alloc(); + if (!ctx->params) { + av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n"); + return AVERROR(ENOMEM); + } + + x265_param_default(ctx->params); + if (x265_param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) { + av_log(avctx, AV_LOG_ERROR, "Invalid preset or tune.\n"); + return AVERROR(EINVAL); + } + + ctx->params->frameNumThreads = avctx->thread_count; + ctx->params->frameRate = (int) (avctx->time_base.den / avctx->time_base.num); + ctx->params->sourceWidth = avctx->width; + ctx->params->sourceHeight = avctx->height; + ctx->params->inputBitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth_minus1 + 1; + + if (avctx->bit_rate > 0) { + ctx->params->rc.bitrate = avctx->bit_rate / 1000; + ctx->params->rc.rateControlMode = X265_RC_ABR; + } + + if (ctx->x265_opts) { + AVDictionary *dict = NULL; + AVDictionaryEntry *en = NULL; + + if (!av_dict_parse_string(&dict, ctx->x265_opts, "=", ":", 0)) { + while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) { + int parse_ret = x265_param_parse(ctx->params, en->key, en->value); + + switch (parse_ret) { + case X265_PARAM_BAD_NAME: + av_log(avctx, AV_LOG_WARNING, + "Unknown option: %s.\n", en->key); + break; + case X265_PARAM_BAD_VALUE: + av_log(avctx, AV_LOG_WARNING, + "Invalid value for %s: %s.\n", en->key, en->value); + break; + default: + break; + } + } + av_dict_free(&dict); + } + } + + ctx->encoder = x265_encoder_open(ctx->params); + if (!ctx->encoder) { + av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n"); + libx265_encode_close(avctx); + return AVERROR_INVALIDDATA; + } + + ret = x265_encoder_headers(ctx->encoder, &nal, &nnal); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n"); + libx265_encode_close(avctx); + return AVERROR_INVALIDDATA; + } + + for (i = 0; i < nnal; i++) + ctx->header_size += nal[i].sizeBytes; + + ctx->header = av_malloc(ctx->header_size); + if (!ctx->header) { + av_log(avctx, AV_LOG_ERROR, + "Cannot allocate HEVC header of size %d.\n", ctx->header_size); + libx265_encode_close(avctx); + return AVERROR(ENOMEM); + } + + buf = ctx->header; + for (i = 0; i < nnal; i++) { + memcpy(buf, nal[i].payload, nal[i].sizeBytes); + buf += nal[i].sizeBytes; + } + + return 0; +} + +static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *pic, int *got_packet) +{ + libx265Context *ctx = avctx->priv_data; + x265_picture x265pic; + x265_picture x265pic_out = { { 0 } }; + x265_nal *nal; + uint8_t *dst; + int payload = 0; + int nnal; + int ret; + int i; + + if (pic) { + for (i = 0; i < 3; i++) { + x265pic.planes[i] = pic->data[i]; + x265pic.stride[i] = pic->linesize[i]; + } + + x265pic.pts = pic->pts; + } + + ret = x265_encoder_encode(ctx->encoder, &nal, &nnal, + pic ? &x265pic : NULL, &x265pic_out); + if (ret < 0) + return AVERROR_UNKNOWN; + + if (!nnal) + return 0; + + for (i = 0; i < nnal; i++) + payload += nal[i].sizeBytes; + + payload += ctx->header_size; + + ret = ff_alloc_packet(pkt, payload); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n"); + return ret; + } + dst = pkt->data; + + if (ctx->header) { + memcpy(dst, ctx->header, ctx->header_size); + dst += ctx->header_size; + + av_freep(&ctx->header); + ctx->header_size = 0; + } + + for (i = 0; i < nnal; i++) { + memcpy(dst, nal[i].payload, nal[i].sizeBytes); + dst += nal[i].sizeBytes; + + if (is_keyframe(nal[i].type)) + pkt->flags |= AV_PKT_FLAG_KEY; + } + + pkt->pts = x265pic_out.pts; + pkt->dts = x265pic_out.dts; + + *got_packet = 1; + return 0; +} + +static const enum AVPixelFormat x265_csp_eight[] = { + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_NONE +}; + +static const enum AVPixelFormat x265_csp_twelve[] = { + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUV420P10, + AV_PIX_FMT_NONE +}; + +static av_cold void libx265_encode_init_csp(AVCodec *codec) +{ + if (x265_max_bit_depth == 8) + codec->pix_fmts = x265_csp_eight; + else if (x265_max_bit_depth == 12) + codec->pix_fmts = x265_csp_twelve; +} + +#define OFFSET(x) offsetof(libx265Context, x) +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +static const AVOption options[] = { + { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, + { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, + { "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 }, + { NULL } +}; + +static const AVClass class = { + .class_name = "libx265", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +AVCodec ff_libx265_encoder = { + .name = "libx265", + .long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_HEVC, + .init = libx265_encode_init, + .init_static_data = libx265_encode_init_csp, + .encode2 = libx265_encode_frame, + .close = libx265_encode_close, + .priv_data_size = sizeof(libx265Context), + .priv_class = &class, + .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS, +}; diff --git a/libavcodec/version.h b/libavcodec/version.h index f4d8716dcd..425307436e 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -29,7 +29,7 @@ #include "libavutil/version.h" #define LIBAVCODEC_VERSION_MAJOR 55 -#define LIBAVCODEC_VERSION_MINOR 33 +#define LIBAVCODEC_VERSION_MINOR 34 #define LIBAVCODEC_VERSION_MICRO 0 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ -- cgit v1.2.3