Signed-off-by: Derek Buitenhuis <[email protected]>
---
configure | 5 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/libx265.c | 195 ++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 202 insertions(+), 0 deletions(-)
create mode 100644 libavcodec/libx265.c
diff --git a/configure b/configure
index 258dd73..fdfb9fb 100755
--- a/configure
+++ b/configure
@@ -203,6 +203,7 @@ External library support:
--enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
--enable-libwavpack enable wavpack encoding via libwavpack [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]
@@ -1064,6 +1065,7 @@ EXTERNAL_LIBRARY_LIST="
libvpx
libwavpack
libx264
+ libx265
libxavs
libxvid
openssl
@@ -1799,6 +1801,7 @@ libvpx_vp9_decoder_deps="libvpx"
libvpx_vp9_encoder_deps="libvpx"
libwavpack_encoder_deps="libwavpack"
libx264_encoder_deps="libx264"
+libx265_encoder_deps="libx265"
libxavs_encoder_deps="libxavs"
libxvid_encoder_deps="libxvid"
@@ -3391,6 +3394,7 @@ 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
@@ -3808,6 +3812,7 @@ enabled libwavpack && require libwavpack
wavpack/wavpack.h WavpackOpenFil
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 libx265 x265.h x265_encoder_encode -lx265
-lstdc++
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/libavcodec/Makefile b/libavcodec/Makefile
index 04eb2a5..f6478b5 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -613,6 +613,7 @@ OBJS-$(CONFIG_LIBVPX_VP9_DECODER) += libvpxdec.o
OBJS-$(CONFIG_LIBVPX_VP9_ENCODER) += libvpxenc.o
OBJS-$(CONFIG_LIBWAVPACK_ENCODER) += libwavpackenc.o
OBJS-$(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 24b459e..a3729cc 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -433,6 +433,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (LIBVPX_VP9, libvpx_vp9);
REGISTER_ENCODER(LIBWAVPACK, libwavpack);
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 0000000..58d4a9a
--- /dev/null
+++ b/libavcodec/libx265.c
@@ -0,0 +1,195 @@
+/*
+ * libx265 encoder
+ *
+ * Copyright (c) 2013 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 "libavutil/common.h"
+#include "libavutil/internal.h"
+#include "avcodec.h"
+#include "internal.h"
+
+#include <x265.h>
+
+typedef struct libx265Context {
+ x265_t *encoder;
+ x265_param_t params;
+ uint8_t *header;
+ int header_size;
+} libx265Context;
+
+static av_cold int libx265_encode_close(AVCodecContext *avctx)
+{
+ libx265Context *ctx = avctx->priv_data;
+
+ av_freep(&avctx->coded_frame);
+ av_freep(&ctx->header);
+
+ if (ctx->encoder)
+ x265_encoder_close(ctx->encoder, NULL);
+
+ return 0;
+}
+
+static av_cold int libx265_encode_init(AVCodecContext *avctx)
+{
+ libx265Context *ctx = avctx->priv_data;
+ x265_nal_t *nal;
+ uint8_t *buf;
+ int nnal;
+ int ret;
+ int i;
+
+ avctx->coded_frame = avcodec_alloc_frame();
+ if (!avctx->coded_frame) {
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
+ return AVERROR(ENOMEM);
+ }
+
+ x265_param_default(&ctx->params);
+
+ ctx->params.frameNumThreads = avctx->thread_count;
+ ctx->params.maxCUSize = 16; /* Only require mod16 width. */
+ ctx->params.frameRate = (int) (avctx->time_base.den /
avctx->time_base.num); /* No way this is right... */
+ ctx->params.sourceWidth = avctx->width; /* TODO: Fix mid-stream res
changes? */
+ ctx->params.sourceHeight = avctx->height;
+
+ if (avctx->width % ctx->params.maxCUSize) {
+ av_log(avctx, AV_LOG_ERROR,
+ "libx265 requires a width that is a multiple of %d.\n",
+ ctx->params.maxCUSize);
+ libx265_encode_close(avctx);
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (avctx->height % 8) {
+ av_log(avctx, AV_LOG_ERROR,
+ "libx265 requires a height that is a multiple of 8.\n");
+ libx265_encode_close(avctx);
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (avctx->bit_rate > 0) {
+ ctx->params.rc.bitrate = avctx->bit_rate / 1000;
+ ctx->params.rc.rateControlMode = X265_RC_ABR;
+ }
+
+ 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].i_payload;
+
+ ctx->header = av_malloc(ctx->header_size);
+ if (!ctx->header) {
+ av_log(avctx, AV_LOG_ERROR, "Cannot allocate HEVC header.\n");
+ libx265_encode_close(avctx);
+ return AVERROR(ENOMEM);
+ }
+
+ buf = ctx->header;
+ for (i = 0; i < nnal; i++) {
+ memcpy(buf, nal[i].p_payload, nal[i].i_payload);
+ buf += nal[i].i_payload;
+ }
+
+ return 0;
+}
+
+static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *pic, int *got_packet)
+{
+ libx265Context *ctx = avctx->priv_data;
+ x265_picture_t x265pic;
+ x265_picture_t x265pic_out;
+ x265_nal_t *nal;
+ uint8_t *dst;
+ int payload = 0;
+ int nnal;
+ int ret;
+ int i;
+
+ memset(&x265pic_out, 0, sizeof(x265pic_out));
+
+ if (pic) {
+ for (i = 0; i < 3; i++) {
+ x265pic.planes[i] = pic->data[i];
+ x265pic.stride[i] = pic->linesize[i];
+ }
+ }
+
+ 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].i_payload;
+
+ 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].p_payload, nal[i].i_payload);
+ dst += nal[i].i_payload;
+ }
+
+ *got_packet = 1;
+ return 0;
+}
+
+AVCodec ff_libx265_encoder = {
+ .name = "libx265",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_HEVC,
+ .init = libx265_encode_init,
+ .encode2 = libx265_encode_frame,
+ .close = libx265_encode_close,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE },
+ .priv_data_size = sizeof(libx265Context),
+ .long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
+};
--
1.7.1
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