[FFmpeg-cvslog] nvenc: H264 and HEVC encoders
Luca Barbato
git at videolan.org
Mon Jun 1 03:25:48 CEST 2015
ffmpeg | branch: master | Luca Barbato <lu_zero at gentoo.org> | Sat May 30 16:40:13 2015 +0200| [b08caa87c35a768ec0abb16b1e99c3a85f1df28e] | committer: Luca Barbato
nvenc: H264 and HEVC encoders
Partially based on the work of Timo Rothenpieler <timo at rothenpieler.org>
Signed-off-by: Luca Barbato <lu_zero at gentoo.org>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b08caa87c35a768ec0abb16b1e99c3a85f1df28e
---
Changelog | 1 +
configure | 16 +
libavcodec/Makefile | 3 +
libavcodec/allcodecs.c | 2 +
libavcodec/nvenc.c | 1136 +++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/nvenc.h | 135 ++++++
libavcodec/nvenc_h264.c | 110 +++++
libavcodec/nvenc_hevc.c | 108 +++++
libavcodec/version.h | 2 +-
9 files changed, 1512 insertions(+), 1 deletion(-)
diff --git a/Changelog b/Changelog
index 41fe7c8..2c268ed 100644
--- a/Changelog
+++ b/Changelog
@@ -31,6 +31,7 @@ version <next>:
- Canopus HQ/HQA decoder
- Automatically rotate videos based on metadata in avconv
- improved Quickdraw compatibility
+- NVIDIA NVENC-accelerated H.264 and HEVC encoding support
version 11:
diff --git a/configure b/configure
index d59f5e4..c1e516c 100755
--- a/configure
+++ b/configure
@@ -220,6 +220,7 @@ External library support:
--enable-libxvid enable Xvid encoding via xvidcore,
native MPEG-4/Xvid encoder exists [no]
--enable-mmal enable decoding via MMAL [no]
+ --enable-nvenc enable encoding via NVENC [no]
--enable-openssl enable openssl [no]
--enable-x11grab enable X11 grabbing (legacy) [no]
--enable-zlib enable zlib [autodetect]
@@ -1191,6 +1192,7 @@ EXTERNAL_LIBRARY_LIST="
libxcb_xfixes
libxvid
mmal
+ nvenc
openssl
x11grab
zlib
@@ -1483,6 +1485,7 @@ SYSTEM_FUNCS="
inet_aton
isatty
jack_port_get_latency_range
+ LoadLibrary
localtime_r
mach_absolute_time
MapViewOfFile
@@ -1780,6 +1783,8 @@ mpegaudio_select="mpegaudiodsp"
mpegaudiodsp_select="dct"
mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
+nvenc_deps_any="dlopen LoadLibrary"
+nvenc_extralibs='$ldl'
qsvdec_select="qsv"
qsvenc_select="qsv"
@@ -1849,11 +1854,13 @@ h263i_decoder_select="h263_decoder"
h263p_encoder_select="h263_encoder"
h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
h264_decoder_suggest="error_resilience"
+h264_nvenc_encoder_deps="nvenc"
h264_qsv_decoder_deps="libmfx"
h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
h264_qsv_encoder_deps="libmfx"
h264_qsv_encoder_select="qsvenc"
hevc_decoder_select="bswapdsp cabac golomb videodsp"
+hevc_nvenc_encoder_deps="nvenc"
huffyuv_decoder_select="bswapdsp huffyuvdsp"
huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
iac_decoder_select="imc_decoder"
@@ -3822,6 +3829,7 @@ die_license_disabled gpl x11grab
die_license_disabled nonfree libfaac
die_license_disabled nonfree libfdk_aac
+die_license_disabled nonfree nvenc
die_license_disabled nonfree openssl
die_license_disabled version3 libopencore_amrnb
@@ -4188,6 +4196,7 @@ check_func_headers windows.h CoTaskMemFree -lole32
check_func_headers windows.h GetProcessAffinityMask
check_func_headers windows.h GetProcessTimes
check_func_headers windows.h GetSystemTimeAsFileTime
+check_func_headers windows.h LoadLibrary
check_func_headers windows.h MapViewOfFile
check_func_headers windows.h SetConsoleTextAttribute
check_func_headers windows.h Sleep
@@ -4340,6 +4349,13 @@ if enabled libdc1394; then
die "ERROR: No version of libdc1394 found "
fi
+if enabled nvenc; then
+ check_header cuda.h || die "ERROR: cuda.h not found.";
+ check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found.";
+ check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
+ die "ERROR: NVENC API version 4 or older is not supported";
+fi
+
if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 96cc258..629d25d 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -82,6 +82,7 @@ OBJS-$(CONFIG_MPEGVIDEOENC) += mpegvideo_enc.o mpeg12data.o \
motion_est.o ratecontrol.o \
mpegvideoencdsp.o
OBJS-$(CONFIG_PIXBLOCKDSP) += pixblockdsp.o
+OBJS-${CONFIG_NVENC} += nvenc.o
OBJS-$(CONFIG_QPELDSP) += qpeldsp.o
OBJS-$(CONFIG_QSV) += qsv.o
OBJS-$(CONFIG_QSVDEC) += qsvdec.o
@@ -228,11 +229,13 @@ OBJS-$(CONFIG_H264_DECODER) += h264.o h264_cabac.o h264_cavlc.o \
h264_mb.o h264_picture.o h264_ps.o \
h264_refs.o h264_sei.o h264_slice.o
OBJS-$(CONFIG_H264_MMAL_DECODER) += mmaldec.o
+OBJS-$(CONFIG_H264_NVENC_ENCODER) += nvenc_h264.o
OBJS-$(CONFIG_H264_QSV_DECODER) += qsvdec_h264.o
OBJS-$(CONFIG_H264_QSV_ENCODER) += qsvenc_h264.o
OBJS-$(CONFIG_HEVC_DECODER) += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o \
hevc_cabac.o hevc_refs.o hevcpred.o \
hevcdsp.o hevc_filter.o
+OBJS-$(CONFIG_HEVC_NVENC_ENCODER) += nvenc_hevc.o
OBJS-$(CONFIG_HNM4_VIDEO_DECODER) += hnm4video.o
OBJS-$(CONFIG_HQ_HQA_DECODER) += hq_hqa.o hq_hqadata.o hq_hqadsp.o \
canopus.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index a8b5b53..e2013c3 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -478,7 +478,9 @@ void avcodec_register_all(void)
/* external libraries, that shouldn't be used by default if one of the
* above is available */
REGISTER_ENCODER(LIBOPENH264, libopenh264);
+ REGISTER_ENCODER(H264_NVENC, h264_nvenc);
REGISTER_ENCODER(H264_QSV, h264_qsv);
+ REGISTER_ENCODER(HEVC_NVENC, hevc_nvenc);
/* parsers */
REGISTER_PARSER(AAC, aac);
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
new file mode 100644
index 0000000..e725e3d
--- /dev/null
+++ b/libavcodec/nvenc.c
@@ -0,0 +1,1136 @@
+/*
+ * NVIDIA NVENC Support
+ * Copyright (C) 2015 Luca Barbato
+ *
+ * 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 "config.h"
+
+#include <cuda.h>
+#include <nvEncodeAPI.h>
+#include <string.h>
+
+#define CUDA_LIBNAME "libcuda.so"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+
+#define NVENC_LIBNAME "libnvidia-encode.so"
+
+#elif HAVE_WINDOWS_H
+#include <windows.h>
+
+#if ARCH_X86_64
+#define NVENC_LIBNAME "nvEncodeAPI64.dll"
+#else
+#define NVENC_LIBNAME "nvEncodeAPI.dll"
+#endif
+
+#define dlopen(filename, flags) LoadLibrary((filename))
+#define dlsym(handle, symbol) GetProcAddress(handle, symbol)
+#define dlclose(handle) FreeLibrary(handle)
+#endif
+
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/mem.h"
+#include "avcodec.h"
+#include "internal.h"
+#include "nvenc.h"
+
+#define NVENC_CAP 0x30
+#define BITSTREAM_BUFFER_SIZE 1024 * 1024
+
+#define LOAD_LIBRARY(l, path) \
+ do { \
+ if (!((l) = dlopen(path, RTLD_LAZY))) { \
+ av_log(avctx, AV_LOG_ERROR, \
+ "Cannot load %s\n", \
+ path); \
+ return AVERROR_UNKNOWN; \
+ } \
+ } while (0)
+
+#define LOAD_SYMBOL(fun, lib, symbol) \
+ do { \
+ if (!((fun) = dlsym(lib, symbol))) { \
+ av_log(avctx, AV_LOG_ERROR, \
+ "Cannot load %s\n", \
+ symbol); \
+ return AVERROR_UNKNOWN; \
+ } \
+ } while (0)
+
+static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NVENCLibraryContext *nvel = &ctx->nvel;
+ PNVENCODEAPICREATEINSTANCE nvenc_create_instance;
+
+ LOAD_LIBRARY(nvel->cuda, CUDA_LIBNAME);
+
+ LOAD_SYMBOL(nvel->cu_init, nvel->cuda, "cuInit");
+ LOAD_SYMBOL(nvel->cu_device_get_count, nvel->cuda, "cuDeviceGetCount");
+ LOAD_SYMBOL(nvel->cu_device_get, nvel->cuda, "cuDeviceGet");
+ LOAD_SYMBOL(nvel->cu_device_get_name, nvel->cuda, "cuDeviceGetName");
+ LOAD_SYMBOL(nvel->cu_device_compute_capability, nvel->cuda,
+ "cuDeviceComputeCapability");
+ LOAD_SYMBOL(nvel->cu_ctx_create, nvel->cuda, "cuCtxCreate_v2");
+ LOAD_SYMBOL(nvel->cu_ctx_pop_current, nvel->cuda, "cuCtxPopCurrent_v2");
+ LOAD_SYMBOL(nvel->cu_ctx_destroy, nvel->cuda, "cuCtxDestroy_v2");
+
+ LOAD_LIBRARY(nvel->nvenc, NVENC_LIBNAME);
+
+ LOAD_SYMBOL(nvenc_create_instance, nvel->nvenc,
+ "NvEncodeAPICreateInstance");
+
+ nvel->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
+
+ if ((nvenc_create_instance(&nvel->nvenc_funcs)) != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Cannot create the NVENC instance");
+ return AVERROR_UNKNOWN;
+ }
+
+ return 0;
+}
+
+static int nvenc_open_session(AVCodecContext *avctx)
+{
+ NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params = { 0 };
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ int ret;
+
+ params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
+ params.apiVersion = NVENCAPI_VERSION;
+ params.device = ctx->cu_context;
+ params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
+
+ ret = nv->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvenc_ctx);
+ if (ret != NV_ENC_SUCCESS) {
+ ctx->nvenc_ctx = NULL;
+ av_log(avctx, AV_LOG_ERROR,
+ "Cannot open the NVENC Session\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ return 0;
+}
+
+static int nvenc_check_codec_support(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ int i, ret, count = 0;
+ GUID *guids = NULL;
+
+ ret = nv->nvEncGetEncodeGUIDCount(ctx->nvenc_ctx, &count);
+
+ if (ret != NV_ENC_SUCCESS || !count)
+ return AVERROR(ENOSYS);
+
+ guids = av_malloc(count * sizeof(GUID));
+ if (!guids)
+ return AVERROR(ENOMEM);
+
+ ret = nv->nvEncGetEncodeGUIDs(ctx->nvenc_ctx, guids, count, &count);
+ if (ret != NV_ENC_SUCCESS) {
+ ret = AVERROR(ENOSYS);
+ goto fail;
+ }
+
+ ret = AVERROR(ENOSYS);
+ for (i = 0; i < count; i++) {
+ if (!memcmp(&guids[i], &ctx->params.encodeGUID, sizeof(*guids))) {
+ ret = 0;
+ break;
+ }
+ }
+
+fail:
+ av_free(guids);
+
+ return ret;
+}
+
+static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ NV_ENC_CAPS_PARAM params = { 0 };
+ int ret, val = 0;
+
+ params.version = NV_ENC_CAPS_PARAM_VER;
+ params.capsToQuery = cap;
+
+ ret = nv->nvEncGetEncodeCaps(ctx->nvenc_ctx, ctx->params.encodeGUID, ¶ms, &val);
+
+ if (ret == NV_ENC_SUCCESS)
+ return val;
+ return 0;
+}
+
+static int nvenc_check_capabilities(AVCodecContext *avctx)
+{
+ int ret;
+
+ ret = nvenc_check_codec_support(avctx);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_VERBOSE, "Codec not supported\n");
+ return ret;
+ }
+
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_YUV444_ENCODE);
+ if (avctx->pix_fmt == AV_PIX_FMT_YUV444P && ret <= 0) {
+ av_log(avctx, AV_LOG_VERBOSE, "YUV444P not supported\n");
+ return AVERROR(ENOSYS);
+ }
+
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_WIDTH_MAX);
+ if (ret < avctx->width) {
+ av_log(avctx, AV_LOG_VERBOSE, "Width %d exceeds %d\n",
+ avctx->width, ret);
+ return AVERROR(ENOSYS);
+ }
+
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_HEIGHT_MAX);
+ if (ret < avctx->height) {
+ av_log(avctx, AV_LOG_VERBOSE, "Height %d exceeds %d\n",
+ avctx->height, ret);
+ return AVERROR(ENOSYS);
+ }
+
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_NUM_MAX_BFRAMES);
+ if (ret < avctx->max_b_frames) {
+ av_log(avctx, AV_LOG_VERBOSE, "Max b-frames %d exceed %d\n",
+ avctx->max_b_frames, ret);
+
+ return AVERROR(ENOSYS);
+ }
+
+ return 0;
+}
+
+static int nvenc_check_device(AVCodecContext *avctx, int idx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NVENCLibraryContext *nvel = &ctx->nvel;
+ char name[128] = { 0 };
+ int major, minor, ret;
+ CUdevice cu_device;
+ CUcontext dummy;
+ int loglevel = AV_LOG_VERBOSE;
+
+ if (ctx->device == LIST_DEVICES)
+ loglevel = AV_LOG_INFO;
+
+ ret = nvel->cu_device_get(&cu_device, idx);
+ if (ret != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Cannot access the CUDA device %d\n",
+ idx);
+ return -1;
+ }
+
+ ret = nvel->cu_device_get_name(name, sizeof(name), cu_device);
+ if (ret != CUDA_SUCCESS)
+ return -1;
+
+ ret = nvel->cu_device_compute_capability(&major, &minor, cu_device);
+ if (ret != CUDA_SUCCESS)
+ return -1;
+
+ av_log(avctx, loglevel, "Device %d [%s] ", cu_device, name);
+
+ if (((major << 4) | minor) < NVENC_CAP)
+ goto fail;
+
+ ret = nvel->cu_ctx_create(&ctx->cu_context, 0, cu_device);
+ if (ret != CUDA_SUCCESS)
+ goto fail;
+
+ ret = nvel->cu_ctx_pop_current(&dummy);
+ if (ret != CUDA_SUCCESS)
+ goto fail2;
+
+ if ((ret = nvenc_open_session(avctx)) < 0)
+ goto fail2;
+
+ if ((ret = nvenc_check_capabilities(avctx)) < 0)
+ goto fail3;
+
+ av_log(avctx, loglevel, "supports NVENC\n");
+
+ if (ctx->device == cu_device || ctx->device == ANY_DEVICE)
+ return 0;
+
+fail3:
+ nvel->nvenc_funcs.nvEncDestroyEncoder(ctx->nvenc_ctx);
+ ctx->nvenc_ctx = NULL;
+
+fail2:
+ nvel->cu_ctx_destroy(ctx->cu_context);
+ ctx->cu_context = NULL;
+
+fail:
+ if (ret != 0)
+ av_log(avctx, loglevel, "does not support NVENC (major %d minor %d)\n",
+ major, minor);
+
+ return AVERROR(ENOSYS);
+}
+
+static int nvenc_setup_device(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NVENCLibraryContext *nvel = &ctx->nvel;
+ int i, nb_devices = 0;
+
+ if ((nvel->cu_init(0)) != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Cannot init CUDA\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ if ((nvel->cu_device_get_count(&nb_devices)) != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Cannot enumerate the CUDA devices\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ ctx->params.encodeGUID = NV_ENC_CODEC_H264_GUID;
+ break;
+ case AV_CODEC_ID_HEVC:
+ ctx->params.encodeGUID = NV_ENC_CODEC_HEVC_GUID;
+ break;
+ default:
+ return AVERROR_BUG;
+ }
+
+ for (i = 0; i < nb_devices; ++i) {
+ if ((nvenc_check_device(avctx, i)) >= 0 && ctx->device != LIST_DEVICES)
+ return 0;
+ }
+
+ if (ctx->device == LIST_DEVICES)
+ return AVERROR_EXIT;
+
+ return AVERROR(ENOSYS);
+}
+
+typedef struct GUIDTuple {
+ const GUID guid;
+ int flags;
+} GUIDTuple;
+
+static int nvec_map_preset(NVENCContext *ctx)
+{
+ GUIDTuple presets[] = {
+ { NV_ENC_PRESET_DEFAULT_GUID },
+ { NV_ENC_PRESET_HP_GUID },
+ { NV_ENC_PRESET_HQ_GUID },
+ { NV_ENC_PRESET_BD_GUID },
+ { NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID, NVENC_LOWLATENCY },
+ { NV_ENC_PRESET_LOW_LATENCY_HP_GUID, NVENC_LOWLATENCY },
+ { NV_ENC_PRESET_LOW_LATENCY_HQ_GUID, NVENC_LOWLATENCY },
+ { NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID, NVENC_LOSSLESS },
+ { NV_ENC_PRESET_LOSSLESS_HP_GUID, NVENC_LOSSLESS },
+ { { 0 } }
+ };
+
+ GUIDTuple *t = &presets[ctx->preset];
+
+ ctx->params.presetGUID = t->guid;
+ ctx->flags = t->flags;
+
+ return AVERROR(EINVAL);
+}
+
+static void set_constqp(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc)
+{
+ rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
+ rc->constQP.qpInterB = avctx->global_quality;
+ rc->constQP.qpInterP = avctx->global_quality;
+ rc->constQP.qpIntra = avctx->global_quality;
+}
+
+static void set_vbr(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc)
+{
+ if (avctx->qmin >= 0) {
+ rc->enableMinQP = 1;
+ rc->minQP.qpInterB = avctx->qmin;
+ rc->minQP.qpInterP = avctx->qmin;
+ rc->minQP.qpIntra = avctx->qmin;
+ }
+
+ if (avctx->qmax >= 0) {
+ rc->enableMaxQP = 1;
+ rc->maxQP.qpInterB = avctx->qmax;
+ rc->maxQP.qpInterP = avctx->qmax;
+ rc->maxQP.qpIntra = avctx->qmax;
+ }
+}
+
+static void nvenc_override_rate_control(AVCodecContext *avctx,
+ NV_ENC_RC_PARAMS *rc)
+{
+ NVENCContext *ctx = avctx->priv_data;
+
+ switch (ctx->rc) {
+ case NV_ENC_PARAMS_RC_CONSTQP:
+ if (avctx->global_quality < 0) {
+ av_log(avctx, AV_LOG_WARNING,
+ "The constant quality rate-control requires "
+ "the 'global_quality' option set.\n");
+ return;
+ }
+ set_constqp(avctx, rc);
+ return;
+ case NV_ENC_PARAMS_RC_2_PASS_VBR:
+ case NV_ENC_PARAMS_RC_VBR:
+ if (avctx->qmin < 0 && avctx->qmax < 0) {
+ av_log(avctx, AV_LOG_WARNING,
+ "The variable bitrate rate-control requires "
+ "the 'qmin' and/or 'qmax' option set.\n");
+ return;
+ }
+ case NV_ENC_PARAMS_RC_VBR_MINQP:
+ if (avctx->qmin < 0) {
+ av_log(avctx, AV_LOG_WARNING,
+ "The variable bitrate rate-control requires "
+ "the 'qmin' option set.\n");
+ return;
+ }
+ set_vbr(avctx, rc);
+ break;
+ case NV_ENC_PARAMS_RC_CBR:
+ break;
+ case NV_ENC_PARAMS_RC_2_PASS_QUALITY:
+ case NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP:
+ if (!(ctx->flags & NVENC_LOWLATENCY)) {
+ av_log(avctx, AV_LOG_WARNING,
+ "The multipass rate-control requires "
+ "a low-latency preset.\n");
+ return;
+ }
+ }
+
+ rc->rateControlMode = ctx->rc;
+}
+
+static void nvenc_setup_rate_control(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENC_RC_PARAMS *rc = &ctx->config.rcParams;
+
+ if (avctx->bit_rate > 0)
+ rc->averageBitRate = avctx->bit_rate;
+
+ if (avctx->rc_max_rate > 0)
+ rc->maxBitRate = avctx->rc_max_rate;
+
+ if (ctx->rc > 0) {
+ nvenc_override_rate_control(avctx, rc);
+ } else if (avctx->global_quality > 0) {
+ set_constqp(avctx, rc);
+ } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
+ rc->rateControlMode = NV_ENC_PARAMS_RC_VBR;
+ set_vbr(avctx, rc);
+ }
+
+ if (avctx->rc_buffer_size > 0)
+ rc->vbvBufferSize = avctx->rc_buffer_size;
+
+ if (rc->averageBitRate > 0)
+ avctx->bit_rate = rc->averageBitRate;
+}
+
+static int nvenc_setup_h264_config(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENC_CONFIG *cc = &ctx->config;
+ NV_ENC_CONFIG_H264 *h264 = &cc->encodeCodecConfig.h264Config;
+ NV_ENC_CONFIG_H264_VUI_PARAMETERS *vui = &h264->h264VUIParameters;
+
+ vui->colourDescriptionPresentFlag = 1;
+ vui->videoSignalTypePresentFlag = 1;
+
+ vui->colourMatrix = avctx->colorspace;
+ vui->colourPrimaries = avctx->color_primaries;
+ vui->transferCharacteristics = avctx->color_trc;
+
+ vui->videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
+
+ h264->disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
+ h264->repeatSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+
+ h264->maxNumRefFrames = avctx->refs;
+ h264->idrPeriod = cc->gopLength;
+
+ if (ctx->profile)
+ avctx->profile = ctx->profile;
+
+ if (avctx->pix_fmt == AV_PIX_FMT_YUV444P)
+ h264->chromaFormatIDC = 3;
+ else
+ h264->chromaFormatIDC = 1;
+
+ switch (ctx->profile) {
+ case NV_ENC_H264_PROFILE_BASELINE:
+ cc->profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
+ break;
+ case NV_ENC_H264_PROFILE_MAIN:
+ cc->profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
+ break;
+ case NV_ENC_H264_PROFILE_HIGH:
+ cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
+ break;
+ case NV_ENC_H264_PROFILE_HIGH_444:
+ cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
+ break;
+ case NV_ENC_H264_PROFILE_CONSTRAINED_HIGH:
+ cc->profileGUID = NV_ENC_H264_PROFILE_CONSTRAINED_HIGH_GUID;
+ break;
+ }
+
+ h264->level = ctx->level;
+
+ return 0;
+}
+
+static int nvenc_setup_hevc_config(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENC_CONFIG *cc = &ctx->config;
+ NV_ENC_CONFIG_HEVC *hevc = &cc->encodeCodecConfig.hevcConfig;
+
+ hevc->disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
+ hevc->repeatSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+
+ hevc->maxNumRefFramesInDPB = avctx->refs;
+ hevc->idrPeriod = cc->gopLength;
+
+ /* No other profile is supported in the current SDK version 5 */
+ cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
+ avctx->profile = FF_PROFILE_HEVC_MAIN;
+
+ if (ctx->level) {
+ hevc->level = ctx->level;
+ } else {
+ hevc->level = NV_ENC_LEVEL_AUTOSELECT;
+ }
+
+ if (ctx->tier) {
+ hevc->tier = ctx->tier;
+ }
+
+ return 0;
+}
+static int nvenc_setup_codec_config(AVCodecContext *avctx)
+{
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ return nvenc_setup_h264_config(avctx);
+ case AV_CODEC_ID_HEVC:
+ return nvenc_setup_hevc_config(avctx);
+ }
+ return 0;
+}
+
+static int nvenc_setup_encoder(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ NV_ENC_PRESET_CONFIG preset_cfg = { 0 };
+ int ret;
+
+ ctx->params.version = NV_ENC_INITIALIZE_PARAMS_VER;
+
+ ctx->params.encodeHeight = avctx->height;
+ ctx->params.encodeWidth = avctx->width;
+
+ if (avctx->sample_aspect_ratio.num &&
+ avctx->sample_aspect_ratio.den &&
+ (avctx->sample_aspect_ratio.num != 1 ||
+ avctx->sample_aspect_ratio.den != 1)) {
+ av_reduce(&ctx->params.darWidth,
+ &ctx->params.darHeight,
+ avctx->width * avctx->sample_aspect_ratio.num,
+ avctx->height * avctx->sample_aspect_ratio.den,
+ INT_MAX / 8);
+ } else {
+ ctx->params.darHeight = avctx->height;
+ ctx->params.darWidth = avctx->width;
+ }
+
+ ctx->params.frameRateNum = avctx->time_base.den;
+ ctx->params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
+
+ ctx->params.enableEncodeAsync = 0;
+ ctx->params.enablePTD = 1;
+
+ ctx->params.encodeConfig = &ctx->config;
+
+ nvec_map_preset(ctx);
+
+ preset_cfg.version = NV_ENC_PRESET_CONFIG_VER;
+ preset_cfg.presetCfg.version = NV_ENC_CONFIG_VER;
+
+ ret = nv->nvEncGetEncodePresetConfig(ctx->nvenc_ctx,
+ ctx->params.encodeGUID,
+ ctx->params.presetGUID,
+ &preset_cfg);
+ if (ret != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Cannot get the preset configuration\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ memcpy(&ctx->config, &preset_cfg.presetCfg, sizeof(ctx->config));
+
+ ctx->config.version = NV_ENC_CONFIG_VER;
+
+ if (avctx->gop_size > 0) {
+ if (avctx->max_b_frames > 0) {
+ ctx->last_dts = -2;
+ /* 0 is intra-only,
+ * 1 is I/P only,
+ * 2 is one B Frame,
+ * 3 two B frames, and so on. */
+ ctx->config.frameIntervalP = avctx->max_b_frames + 1;
+ } else if (avctx->max_b_frames == 0) {
+ ctx->config.frameIntervalP = 1;
+ }
+ ctx->config.gopLength = avctx->gop_size;
+ } else if (avctx->gop_size == 0) {
+ ctx->config.frameIntervalP = 0;
+ ctx->config.gopLength = 1;
+ }
+
+ if (ctx->config.frameIntervalP > 1)
+ avctx->max_b_frames = ctx->config.frameIntervalP - 1;
+
+ nvenc_setup_rate_control(avctx);
+
+ if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+ ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
+ } else {
+ ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
+ }
+
+ if ((ret = nvenc_setup_codec_config(avctx)) < 0)
+ return ret;
+
+ ret = nv->nvEncInitializeEncoder(ctx->nvenc_ctx, &ctx->params);
+ if (ret != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Cannot initialize the decoder");
+ return AVERROR_UNKNOWN;
+ }
+
+ return 0;
+}
+
+static int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ int ret;
+ NV_ENC_CREATE_INPUT_BUFFER in_buffer = { 0 };
+ NV_ENC_CREATE_BITSTREAM_BUFFER out_buffer = { 0 };
+
+ in_buffer.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
+ out_buffer.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
+
+ in_buffer.width = avctx->width;
+ in_buffer.height = avctx->height;
+
+ in_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED;
+
+ switch (avctx->pix_fmt) {
+ case AV_PIX_FMT_YUV420P:
+ in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
+ break;
+ case AV_PIX_FMT_NV12:
+ in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
+ break;
+ case AV_PIX_FMT_YUV444P:
+ in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
+ break;
+ default:
+ return AVERROR_BUG;
+ }
+
+ ret = nv->nvEncCreateInputBuffer(ctx->nvenc_ctx, &in_buffer);
+ if (ret != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "CreateInputBuffer failed\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ ctx->in[idx].in = in_buffer.inputBuffer;
+ ctx->in[idx].format = in_buffer.bufferFmt;
+
+ /* 1MB is large enough to hold most output frames.
+ * NVENC increases this automaticaly if it's not enough. */
+ out_buffer.size = BITSTREAM_BUFFER_SIZE;
+
+ out_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED;
+
+ ret = nv->nvEncCreateBitstreamBuffer(ctx->nvenc_ctx, &out_buffer);
+ if (ret != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "CreateBitstreamBuffer failed\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ ctx->out[idx].out = out_buffer.bitstreamBuffer;
+ ctx->out[idx].busy = 0;
+
+ return 0;
+}
+
+static int nvenc_setup_surfaces(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ int i, ret;
+
+ ctx->nb_surfaces = FFMAX(4 + avctx->max_b_frames,
+ ctx->nb_surfaces);
+
+ ctx->in = av_mallocz(ctx->nb_surfaces * sizeof(*ctx->in));
+ if (!ctx->in)
+ return AVERROR(ENOMEM);
+
+ ctx->out = av_mallocz(ctx->nb_surfaces * sizeof(*ctx->out));
+ if (!ctx->out)
+ return AVERROR(ENOMEM);
+
+ ctx->timestamps = av_fifo_alloc(ctx->nb_surfaces * sizeof(int64_t));
+ if (!ctx->timestamps)
+ return AVERROR(ENOMEM);
+ ctx->pending = av_fifo_alloc(ctx->nb_surfaces * sizeof(ctx->out));
+ if (!ctx->pending)
+ return AVERROR(ENOMEM);
+ ctx->ready = av_fifo_alloc(ctx->nb_surfaces * sizeof(ctx->out));
+ if (!ctx->ready)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < ctx->nb_surfaces; i++) {
+ if ((ret = nvenc_alloc_surface(avctx, i)) < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+#define EXTRADATA_SIZE 512
+
+static int nvenc_setup_extradata(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
+ int ret;
+
+ avctx->extradata = av_mallocz(EXTRADATA_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!avctx->extradata)
+ return AVERROR(ENOMEM);
+
+ payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
+ payload.spsppsBuffer = avctx->extradata;
+ payload.inBufferSize = EXTRADATA_SIZE;
+ payload.outSPSPPSPayloadSize = &avctx->extradata_size;
+
+ ret = nv->nvEncGetSequenceParams(ctx->nvenc_ctx, &payload);
+ if (ret != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Cannot get the extradata\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ return 0;
+}
+
+av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ int i;
+
+ av_frame_free(&avctx->coded_frame);
+
+ if (ctx->in) {
+ for (i = 0; i < ctx->nb_surfaces; ++i) {
+ nv->nvEncDestroyInputBuffer(ctx->nvenc_ctx, ctx->in[i].in);
+ nv->nvEncDestroyBitstreamBuffer(ctx->nvenc_ctx, ctx->out[i].out);
+ }
+ }
+
+ av_freep(&ctx->in);
+ av_freep(&ctx->out);
+
+ if (ctx->nvenc_ctx)
+ nv->nvEncDestroyEncoder(ctx->nvenc_ctx);
+
+ if (ctx->cu_context)
+ ctx->nvel.cu_ctx_destroy(ctx->cu_context);
+
+ if (ctx->nvel.nvenc)
+ dlclose(ctx->nvel.nvenc);
+
+ if (ctx->nvel.cuda)
+ dlclose(ctx->nvel.cuda);
+
+ return 0;
+}
+
+av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
+{
+ int ret;
+
+ if ((ret = nvenc_load_libraries(avctx)) < 0)
+ return ret;
+
+ if ((ret = nvenc_setup_device(avctx)) < 0)
+ return ret;
+
+ if ((ret = nvenc_setup_encoder(avctx)) < 0)
+ return ret;
+
+ if ((ret = nvenc_setup_surfaces(avctx)) < 0)
+ return ret;
+
+ if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+ if ((ret = nvenc_setup_extradata(avctx)) < 0)
+ return ret;
+ }
+
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame)
+ return AVERROR(ENOMEM);
+
+ return 0;
+}
+
+static NVENCInputSurface *get_input_surface(NVENCContext *ctx)
+{
+ int i;
+
+ for (i = 0; i < ctx->nb_surfaces; i++) {
+ if (!ctx->in[i].locked) {
+ ctx->in[i].locked = 1;
+ return &ctx->in[i];
+ }
+ }
+
+ return NULL;
+}
+
+static NVENCOutputSurface *get_output_surface(NVENCContext *ctx)
+{
+ int i;
+
+ for (i = 0; i < ctx->nb_surfaces; i++) {
+ if (!ctx->out[i].busy) {
+ return &ctx->out[i];
+ }
+ }
+
+ return NULL;
+}
+
+static int nvenc_copy_frame(NV_ENC_LOCK_INPUT_BUFFER *in, const AVFrame *frame)
+{
+ uint8_t *buf = in->bufferDataPtr;
+ int off = frame->height * in->pitch;
+
+ switch (frame->format) {
+ case AV_PIX_FMT_YUV420P:
+ av_image_copy_plane(buf, in->pitch,
+ frame->data[0], frame->linesize[0],
+ frame->width, frame->height);
+ buf += off;
+
+ av_image_copy_plane(buf, in->pitch >> 1,
+ frame->data[2], frame->linesize[2],
+ frame->width >> 1, frame->height >> 1);
+
+ buf += off >> 2;
+
+ av_image_copy_plane(buf, in->pitch >> 1,
+ frame->data[1], frame->linesize[1],
+ frame->width >> 1, frame->height >> 1);
+ break;
+ case AV_PIX_FMT_NV12:
+ av_image_copy_plane(buf, in->pitch,
+ frame->data[0], frame->linesize[0],
+ frame->width, frame->height);
+ buf += off;
+
+ av_image_copy_plane(buf, in->pitch >> 1,
+ frame->data[1], frame->linesize[1],
+ frame->width >> 1, frame->height >> 1);
+ break;
+ case AV_PIX_FMT_YUV444P:
+ av_image_copy_plane(buf, in->pitch,
+ frame->data[0], frame->linesize[0],
+ frame->width, frame->height);
+ buf += off;
+
+ av_image_copy_plane(buf, in->pitch,
+ frame->data[1], frame->linesize[1],
+ frame->width, frame->height);
+ buf += off;
+
+ av_image_copy_plane(buf, in->pitch,
+ frame->data[2], frame->linesize[2],
+ frame->width, frame->height);
+ break;
+ default:
+ return AVERROR_BUG;
+ }
+
+ return 0;
+}
+
+static int nvenc_enqueue_frame(AVCodecContext *avctx, const AVFrame *frame,
+ NVENCInputSurface **in_surf)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ NV_ENC_LOCK_INPUT_BUFFER params = { 0 };
+ NVENCInputSurface *in = get_input_surface(ctx);
+ int ret;
+
+ if (!in)
+ return AVERROR_BUG;
+
+ params.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
+ params.inputBuffer = in->in;
+
+
+ ret = nv->nvEncLockInputBuffer(ctx->nvenc_ctx, ¶ms);
+ if (ret != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Cannot lock the buffer %p.\n",
+ in);
+ return AVERROR_UNKNOWN;
+ }
+
+ ret = nvenc_copy_frame(¶ms, frame);
+ if (ret < 0)
+ goto fail;
+
+ ret = nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, in->in);
+ if (ret != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Cannot unlock the buffer %p.\n",
+ in);
+ return AVERROR_UNKNOWN;
+ }
+
+ *in_surf = in;
+
+ return 0;
+
+fail:
+ nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, in->in);
+
+ return ret;
+}
+
+static void nvenc_codec_specific_pic_params(AVCodecContext *avctx,
+ NV_ENC_PIC_PARAMS *params)
+{
+ NVENCContext *ctx = avctx->priv_data;
+
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ params->codecPicParams.h264PicParams.sliceMode =
+ ctx->config.encodeCodecConfig.h264Config.sliceMode;
+ params->codecPicParams.h264PicParams.sliceModeData =
+ ctx->config.encodeCodecConfig.h264Config.sliceModeData;
+ break;
+ case AV_CODEC_ID_HEVC:
+ params->codecPicParams.hevcPicParams.sliceMode =
+ ctx->config.encodeCodecConfig.hevcConfig.sliceMode;
+ params->codecPicParams.hevcPicParams.sliceModeData =
+ ctx->config.encodeCodecConfig.hevcConfig.sliceModeData;
+ break;
+ }
+}
+
+static inline int nvenc_enqueue_timestamp(AVFifoBuffer *f, int64_t pts)
+{
+ return av_fifo_generic_write(f, &pts, sizeof(pts), NULL);
+}
+
+static inline int nvenc_dequeue_timestamp(AVFifoBuffer *f, int64_t *pts)
+{
+ return av_fifo_generic_read(f, pts, sizeof(*pts), NULL);
+}
+
+static inline int nvenc_enqueue_surface(AVFifoBuffer *f,
+ NVENCOutputSurface *surf)
+{
+ surf->busy = 1;
+ return av_fifo_generic_write(f, &surf, sizeof(surf), NULL);
+}
+
+static inline int nvenc_dequeue_surface(AVFifoBuffer *f,
+ NVENCOutputSurface **surf)
+{
+ return av_fifo_generic_read(f, surf, sizeof(*surf), NULL);
+}
+
+static int nvenc_set_timestamp(NVENCContext *ctx,
+ NV_ENC_LOCK_BITSTREAM *params,
+ AVPacket *pkt)
+{
+ pkt->pts = params->outputTimeStamp;
+ pkt->duration = params->outputDuration;
+
+ return nvenc_dequeue_timestamp(ctx->timestamps, &pkt->dts);
+}
+
+static int nvenc_get_frame(AVCodecContext *avctx, AVPacket *pkt)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ NV_ENC_LOCK_BITSTREAM params = { 0 };
+ NVENCOutputSurface *out = NULL;
+ int ret;
+
+ ret = nvenc_dequeue_surface(ctx->pending, &out);
+ if (ret)
+ return ret;
+
+ params.version = NV_ENC_LOCK_BITSTREAM_VER;
+ params.outputBitstream = out->out;
+
+ ret = nv->nvEncLockBitstream(ctx->nvenc_ctx, ¶ms);
+ if (ret < 0)
+ return AVERROR_UNKNOWN;
+
+ ret = ff_alloc_packet(pkt, params.bitstreamSizeInBytes);
+ if (ret < 0)
+ return ret;
+
+ memcpy(pkt->data, params.bitstreamBufferPtr, pkt->size);
+
+ ret = nv->nvEncUnlockBitstream(ctx->nvenc_ctx, out->out);
+ if (ret < 0)
+ return AVERROR_UNKNOWN;
+
+ out->busy = out->in->locked = 0;
+
+ ret = nvenc_set_timestamp(ctx, ¶ms, pkt);
+ if (ret < 0)
+ return ret;
+
+ switch (params.pictureType) {
+ case NV_ENC_PIC_TYPE_IDR:
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ case NV_ENC_PIC_TYPE_INTRA_REFRESH:
+ case NV_ENC_PIC_TYPE_I:
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+ break;
+ case NV_ENC_PIC_TYPE_P:
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
+ break;
+ case NV_ENC_PIC_TYPE_B:
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
+ break;
+ case NV_ENC_PIC_TYPE_BI:
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_BI;
+ break;
+ }
+
+ return 0;
+}
+
+int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet)
+{
+ NVENCContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
+ NV_ENC_PIC_PARAMS params = { 0 };
+ NVENCInputSurface *in = NULL;
+ NVENCOutputSurface *out = NULL;
+ int ret;
+
+ params.version = NV_ENC_PIC_PARAMS_VER;
+
+ if (frame) {
+ ret = nvenc_enqueue_frame(avctx, frame, &in);
+ if (ret < 0)
+ return ret;
+ out = get_output_surface(ctx);
+ if (!out)
+ return AVERROR_BUG;
+
+ out->in = in;
+
+ params.inputBuffer = in->in;
+ params.bufferFmt = in->format;
+ params.inputWidth = frame->width;
+ params.inputHeight = frame->height;
+ params.outputBitstream = out->out;
+ params.inputTimeStamp = frame->pts;
+
+ if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+ if (frame->top_field_first)
+ params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
+ else
+ params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
+ } else {
+ params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
+ }
+
+ nvenc_codec_specific_pic_params(avctx, ¶ms);
+
+ ret = nvenc_enqueue_timestamp(ctx->timestamps, frame->pts);
+ if (ret < 0)
+ return ret;
+ } else {
+ params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
+ }
+
+ ret = nv->nvEncEncodePicture(ctx->nvenc_ctx, ¶ms);
+
+ if (ret != NV_ENC_SUCCESS &&
+ ret != NV_ENC_ERR_NEED_MORE_INPUT) {
+
+ return AVERROR_UNKNOWN;
+ }
+
+ if (out) {
+ ret = nvenc_enqueue_surface(ctx->pending, out);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (ret != NV_ENC_ERR_NEED_MORE_INPUT &&
+ av_fifo_size(ctx->pending)) {
+ ret = nvenc_get_frame(avctx, pkt);
+ if (ret < 0)
+ return ret;
+ *got_packet = 1;
+ } else {
+ *got_packet = 0;
+ }
+
+ return 0;
+}
diff --git a/libavcodec/nvenc.h b/libavcodec/nvenc.h
new file mode 100644
index 0000000..8819b3c
--- /dev/null
+++ b/libavcodec/nvenc.h
@@ -0,0 +1,135 @@
+/*
+ * 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_NVENC_H
+#define AVCODEC_NVENC_H
+
+#include <cuda.h>
+#include <nvEncodeAPI.h>
+
+#include "libavutil/fifo.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+
+typedef struct NVENCInputSurface {
+ NV_ENC_INPUT_PTR in;
+ NV_ENC_BUFFER_FORMAT format;
+ int locked;
+} NVENCInputSurface;
+
+typedef struct NVENCOutputSurface {
+ NV_ENC_OUTPUT_PTR out;
+ NVENCInputSurface *in;
+ int busy;
+} NVENCOutputSurface;
+
+typedef CUresult(CUDAAPI *PCUINIT)(unsigned int Flags);
+typedef CUresult(CUDAAPI *PCUDEVICEGETCOUNT)(int *count);
+typedef CUresult(CUDAAPI *PCUDEVICEGET)(CUdevice *device, int ordinal);
+typedef CUresult(CUDAAPI *PCUDEVICEGETNAME)(char *name, int len, CUdevice dev);
+typedef CUresult(CUDAAPI *PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev);
+typedef CUresult(CUDAAPI *PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev);
+typedef CUresult(CUDAAPI *PCUCTXPOPCURRENT)(CUcontext *pctx);
+typedef CUresult(CUDAAPI *PCUCTXDESTROY)(CUcontext ctx);
+
+typedef NVENCSTATUS (NVENCAPI *PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList);
+
+typedef struct NVENCLibraryContext
+{
+ void *cuda;
+ void *nvenc;
+
+ PCUINIT cu_init;
+ PCUDEVICEGETCOUNT cu_device_get_count;
+ PCUDEVICEGET cu_device_get;
+ PCUDEVICEGETNAME cu_device_get_name;
+ PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability;
+ PCUCTXCREATE cu_ctx_create;
+ PCUCTXPOPCURRENT cu_ctx_pop_current;
+ PCUCTXDESTROY cu_ctx_destroy;
+
+ NV_ENCODE_API_FUNCTION_LIST nvenc_funcs;
+} NVENCLibraryContext;
+
+enum {
+ PRESET_DEFAULT,
+ PRESET_HP,
+ PRESET_HQ,
+ PRESET_BD ,
+ PRESET_LOW_LATENCY_DEFAULT ,
+ PRESET_LOW_LATENCY_HQ ,
+ PRESET_LOW_LATENCY_HP,
+ PRESET_LOSSLESS_DEFAULT,
+ PRESET_LOSSLESS_HP,
+};
+
+enum {
+ NV_ENC_H264_PROFILE_BASELINE,
+ NV_ENC_H264_PROFILE_MAIN,
+ NV_ENC_H264_PROFILE_HIGH,
+ NV_ENC_H264_PROFILE_HIGH_444,
+ NV_ENC_H264_PROFILE_CONSTRAINED_HIGH,
+};
+
+enum {
+ NVENC_LOWLATENCY = 1,
+ NVENC_LOSSLESS,
+};
+
+enum {
+ LIST_DEVICES = -2,
+ ANY_DEVICE,
+};
+
+typedef struct NVENCContext {
+ AVClass *class;
+ NVENCLibraryContext nvel;
+
+ NV_ENC_INITIALIZE_PARAMS params;
+ NV_ENC_CONFIG config;
+
+ CUcontext cu_context;
+
+ int nb_surfaces;
+ NVENCInputSurface *in;
+ NVENCOutputSurface *out;
+ AVFifoBuffer *timestamps;
+ AVFifoBuffer *pending, *ready;
+
+ int64_t last_dts;
+
+ void *nvenc_ctx;
+
+ int preset;
+ int profile;
+ int level;
+ int tier;
+ int rc;
+ int device;
+ int flags;
+} NVENCContext;
+
+int ff_nvenc_encode_init(AVCodecContext *avctx);
+
+int ff_nvenc_encode_close(AVCodecContext *avctx);
+
+int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet);
+
+#endif /* AVCODEC_NVENC_H */
diff --git a/libavcodec/nvenc_h264.c b/libavcodec/nvenc_h264.c
new file mode 100644
index 0000000..f94f670
--- /dev/null
+++ b/libavcodec/nvenc_h264.c
@@ -0,0 +1,110 @@
+/*
+ * 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/internal.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "internal.h"
+
+#include "nvenc.h"
+
+#define OFFSET(x) offsetof(NVENCContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_HQ }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" },
+ { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" },
+ { "hp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HP }, 0, 0, VE, "preset" },
+ { "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HQ }, 0, 0, VE, "preset" },
+ { "bd", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_BD }, 0, 0, VE, "preset" },
+ { "ll", "low latency", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_DEFAULT }, 0, 0, VE, "preset" },
+ { "llhq", "low latency hq", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HQ }, 0, 0, VE, "preset" },
+ { "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" },
+ { "profile", "Set the encoding profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = NV_ENC_H264_PROFILE_HIGH }, NV_ENC_H264_PROFILE_BASELINE, NV_ENC_H264_PROFILE_CONSTRAINED_HIGH, VE, "profile" },
+ { "baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_BASELINE }, 0, 0, VE, "profile" },
+ { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_MAIN }, 0, 0, VE, "profile" },
+ { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH }, 0, 0, VE, "profile" },
+ { "high_444", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH_444 }, 0, 0, VE, "profile" },
+ { "constrained_high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_CONSTRAINED_HIGH }, 0, 0, VE, "profile" },
+ { "level", "Set the encoding level restriction", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, NV_ENC_LEVEL_AUTOSELECT, NV_ENC_LEVEL_H264_51, VE, "level" },
+ { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1 }, 0, 0, VE, "level" },
+ { "1.b", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1b }, 0, 0, VE, "level" },
+ { "1.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_11 }, 0, 0, VE, "level" },
+ { "1.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_12 }, 0, 0, VE, "level" },
+ { "1.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_13 }, 0, 0, VE, "level" },
+ { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_2 }, 0, 0, VE, "level" },
+ { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_21 }, 0, 0, VE, "level" },
+ { "2.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_22 }, 0, 0, VE, "level" },
+ { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_3 }, 0, 0, VE, "level" },
+ { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_31 }, 0, 0, VE, "level" },
+ { "3.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_32 }, 0, 0, VE, "level" },
+ { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_4 }, 0, 0, VE, "level" },
+ { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_41 }, 0, 0, VE, "level" },
+ { "4.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_42 }, 0, 0, VE, "level" },
+ { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_5 }, 0, 0, VE, "level" },
+ { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_51 }, 0, 0, VE, "level" },
+ { "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 0, VE },
+ { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, "rc" },
+ { "vbr", "Variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR }, 0, 0, VE, "rc" },
+ { "cbr", "Constant bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR }, 0, 0, VE, "rc" },
+ { "vbr_minqp", "Variable bitrate mode with MinQP", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR_MINQP }, 0, 0, VE, "rc" },
+ { "ll_2pass_quality", "Multi-pass optimized for image quality (only for low-latency presets)", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_QUALITY }, 0, 0, VE, "rc" },
+ { "ll_2pass_size", "Multi-pass optimized for constant frame size (only for low-latency presets)", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP }, 0, 0, VE, "rc" },
+ { "vbr_2pass", "Multi-pass variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_VBR }, 0, 0, VE, "rc" },
+ { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, INT_MAX, VE },
+ { "device", "Select a specific NVENC device", OFFSET(device), AV_OPT_TYPE_INT, { .i64 = -1 }, -2, INT_MAX, VE, "device" },
+ { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, "device" },
+ { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, "device" },
+ { NULL }
+};
+
+static const AVClass nvenc_hevc_class = {
+ .class_name = "nvenc_h264",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault defaults[] = {
+ { "b", "0" },
+ { "qmin", "-1" },
+ { "qmax", "-1" },
+ { "qdiff", "-1" },
+ { "qblur", "-1" },
+ { "qcomp", "-1" },
+ { NULL },
+};
+
+AVCodec ff_h264_nvenc_encoder = {
+ .name = "nvenc_h264",
+ .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC H264 encoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .init = ff_nvenc_encode_init,
+ .encode2 = ff_nvenc_encode_frame,
+ .close = ff_nvenc_encode_close,
+ .priv_data_size = sizeof(NVENCContext),
+ .priv_class = &nvenc_hevc_class,
+ .defaults = defaults,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_NONE },
+ .capabilities = CODEC_CAP_DELAY,
+ .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
+};
diff --git a/libavcodec/nvenc_hevc.c b/libavcodec/nvenc_hevc.c
new file mode 100644
index 0000000..a862428
--- /dev/null
+++ b/libavcodec/nvenc_hevc.c
@@ -0,0 +1,108 @@
+/*
+ * 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/internal.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "internal.h"
+
+#include "nvenc.h"
+
+#define OFFSET(x) offsetof(NVENCContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_HQ }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" },
+ { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" },
+ { "hp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HP }, 0, 0, VE, "preset" },
+ { "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HQ }, 0, 0, VE, "preset" },
+ { "bd", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_BD }, 0, 0, VE, "preset" },
+ { "ll", "low latency", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_DEFAULT }, 0, 0, VE, "preset" },
+ { "llhq", "low latency hq", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HQ }, 0, 0, VE, "preset" },
+ { "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" },
+ { "lossless", "lossless", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_DEFAULT }, 0, 0, VE, "preset" },
+ { "losslesshp", "lossless hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_HP }, 0, 0, VE, "preset" },
+ { "profile", "Set the encoding profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = FF_PROFILE_HEVC_MAIN }, FF_PROFILE_HEVC_MAIN, FF_PROFILE_HEVC_MAIN, VE, "profile" },
+ { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_HEVC_MAIN }, 0, 0, VE, "profile" },
+ { "level", "Set the encoding level restriction", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, NV_ENC_LEVEL_AUTOSELECT, NV_ENC_LEVEL_HEVC_62, VE, "level" },
+ { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_1 }, 0, 0, VE, "level" },
+ { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_2 }, 0, 0, VE, "level" },
+ { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_21 }, 0, 0, VE, "level" },
+ { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_3 }, 0, 0, VE, "level" },
+ { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_31 }, 0, 0, VE, "level" },
+ { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_4 }, 0, 0, VE, "level" },
+ { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_41 }, 0, 0, VE, "level" },
+ { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_5 }, 0, 0, VE, "level" },
+ { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_51 }, 0, 0, VE, "level" },
+ { "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_52 }, 0, 0, VE, "level" },
+ { "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_6 }, 0, 0, VE, "level" },
+ { "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_61 }, 0, 0, VE, "level" },
+ { "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_62 }, 0, 0, VE, "level" },
+ { "tier", "Set the encoding tier", OFFSET(tier), AV_OPT_TYPE_INT, { .i64 = NV_ENC_TIER_HEVC_MAIN }, NV_ENC_TIER_HEVC_MAIN, NV_ENC_TIER_HEVC_HIGH, VE, "tier"},
+ { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_HEVC_MAIN }, 0, 0, VE, "tier" },
+ { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_HEVC_HIGH }, 0, 0, VE, "tier" },
+ { "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 0, VE, "rc" },
+ { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, "rc" },
+ { "vbr", "Variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR }, 0, 0, VE, "rc" },
+ { "cbr", "Constant bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR }, 0, 0, VE, "rc" },
+ { "vbr_minqp", "Variable bitrate mode with MinQP", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR_MINQP }, 0, 0, VE, "rc" },
+ { "ll_2pass_quality", "Multi-pass optimized for image quality (only for low-latency presets)", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_QUALITY }, 0, 0, VE, "rc" },
+ { "ll_2pass_size", "Multi-pass optimized for constant frame size (only for low-latency presets)", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP }, 0, 0, VE, "rc" },
+ { "vbr_2pass", "Multi-pass variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_VBR }, 0, 0, VE, "rc" },
+ { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, INT_MAX, VE },
+ { "device", "Select a specific NVENC device", OFFSET(device), AV_OPT_TYPE_INT, { .i64 = -1 }, -2, INT_MAX, VE, "device" },
+ { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, "device" },
+ { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, "device" },
+ { NULL }
+};
+
+static const AVClass nvenc_hevc_class = {
+ .class_name = "nvenc_hevc",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault defaults[] = {
+ { "b", "0" },
+ { "qmin", "-1" },
+ { "qmax", "-1" },
+ { "qdiff", "-1" },
+ { "qblur", "-1" },
+ { "qcomp", "-1" },
+ { NULL },
+};
+
+AVCodec ff_hevc_nvenc_encoder = {
+ .name = "nvenc_hevc",
+ .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC HEVC encoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_HEVC,
+ .init = ff_nvenc_encode_init,
+ .encode2 = ff_nvenc_encode_frame,
+ .close = ff_nvenc_encode_close,
+ .priv_data_size = sizeof(NVENCContext),
+ .priv_class = &nvenc_hevc_class,
+ .defaults = defaults,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_NONE },
+ .capabilities = CODEC_CAP_DELAY,
+ .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index c57bd85..6105a63 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 56
-#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, \
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