@@ -24,7 +24,6 @@ version <next>:

 - WebPAnimEncoder API when available for encoding and muxing WebP

 - Direct3D11-accelerated decoding

 - Support Secure Transport

-- NVIDIA NVENC-accelerated H.264 and HEVC encoding support

 version 2.6:

@@ -269,7 +269,7 @@ External library support:

   --disable-lzma           disable lzma [autodetect]

   --enable-decklink        enable Blackmagick DeckLink I/O support [no]

   --enable-mmal            enable decoding via MMAL [no]

-  --enable-nvenc           enable encoding via NVENC [no]

+  --enable-nvenc           enable NVIDIA NVENC support [no]

   --enable-openal          enable OpenAL 1.1 capture support [no]

   --enable-opencl          enable OpenCL code

   --enable-opengl          enable OpenGL rendering [no]

@@ -1771,7 +1771,6 @@ SYSTEM_FUNCS="

     isatty

     jack_port_get_latency_range

     kbhit

-    LoadLibrary

     localtime_r

     lzo1x_999_compress

     mach_absolute_time

@@ -2115,8 +2114,6 @@ mpegaudio_select="mpegaudiodsp"

 mpegaudiodsp_select="dct"

 mpegvideo_select="blockdsp h264chroma 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"

@@ -2194,13 +2191,11 @@ h263p_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 llviddsp"

 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

 iac_decoder_select="imc_decoder"

@@ -4981,7 +4976,6 @@ 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 PeekNamedPipe

 check_func_headers windows.h SetConsoleTextAttribute

@@ -5179,6 +5173,10 @@ enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect

                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

                                die "ERROR: mmal not found"; }

+enabled nvenc             && { 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"; } &&

+                             { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

 enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

                                die "ERROR: openal not found"; } &&

@@ -5215,15 +5213,6 @@ if enabled libdc1394; then

         enable libdc1394_1; } ||

     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";

-    { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

-fi

-

 if ! disabled sdl; then

     SDL_CONFIG="${cross_prefix}sdl-config"

     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

@@ -94,7 +94,6 @@ OBJS-$(CONFIG_MPEGVIDEOENC)            += mpegvideo_enc.o mpeg12data.o  \

                                           mpegvideoencdsp.o

 OBJS-$(CONFIG_NVENC)                   += nvenc_a.o

 OBJS-$(CONFIG_PIXBLOCKDSP)             += pixblockdsp.o

-#OBJS-${CONFIG_NVENC}                   += nvenc_b.o

 OBJS-$(CONFIG_QPELDSP)                 += qpeldsp.o

 OBJS-$(CONFIG_QSV)                     += qsv.o

 OBJS-$(CONFIG_QSVDEC)                  += qsvdec.o

@@ -276,13 +275,11 @@ OBJS-$(CONFIG_H264_DECODER)            += h264.o h264_cabac.o h264_cavlc.o \

                                           h264_refs.o h264_sei.o h264_slice.o

 OBJS-$(CONFIG_H264_MMAL_DECODER)       += mmaldec.o

 OBJS-$(CONFIG_H264_VDA_DECODER)        += vda_h264_dec.o

-#OBJS-$(CONFIG_H264_NVENC_ENCODER)      += nvenc_b_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_b_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

@@ -563,9 +563,7 @@ 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);

deleted file mode 100644

@@ -1,1136 +0,0 @@

-/*

- * NVIDIA NVENC Support

- * Copyright (C) 2015 Luca Barbato

- *

- * This file is part of FFmpeg.

- *

- * FFmpeg 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.

- *

- * FFmpeg 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 FFmpeg; 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(&params, &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, &params, &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");