[FFmpeg-devel] [PATCH] Add NVENC encoder
Timo Rothenpieler
timo at rothenpieler.org
Sun Nov 30 00:04:37 CET 2014
Did some refactoring, now using a dynamic ring-buffer for both the
surface lists as well as the timestamp list.
There should be no thread safety problem anymore, as there are no
non-constant static global variables anymore.
I think i addressed most of the issues now, new patch is attached.
-------------- next part --------------
commit f7840ac3e9ae279e6665986a122e95b8bf9a7f6a
Author: Timo Rothenpieler <timo at rothenpieler.org>
Date: Wed Nov 26 11:08:11 2014 +0100
Add NVENC encoder
diff --git a/Changelog b/Changelog
index 7172d0c..d26b7fa 100644
--- a/Changelog
+++ b/Changelog
@@ -17,6 +17,7 @@ version <next>:
- WebP muxer with animated WebP support
- zygoaudio decoding support
- APNG demuxer
+- nvenc encoder
version 2.4:
diff --git a/MAINTAINERS b/MAINTAINERS
index 15b976f..f2ff47d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -226,6 +226,7 @@ Codecs:
msvideo1.c Mike Melanson
nellymoserdec.c Benjamin Larsson
nuv.c Reimar Doeffinger
+ nvenc.c Timo Rothenpieler
paf.* Paul B Mahol
pcx.c Ivo van Poorten
pgssubdec.c Reimar Doeffinger
diff --git a/configure b/configure
index d4a86c0..1cafe4b 100755
--- a/configure
+++ b/configure
@@ -261,6 +261,7 @@ External library support:
--enable-libzvbi enable teletext support via libzvbi [no]
--disable-lzma disable lzma [autodetect]
--enable-decklink enable Blackmagick DeckLink I/O support [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]
@@ -1393,6 +1394,7 @@ EXTERNAL_LIBRARY_LIST="
libzmq
libzvbi
lzma
+ nvenc
openal
opencl
opengl
@@ -2390,6 +2392,7 @@ libxvid_encoder_deps="libxvid"
libutvideo_decoder_deps="libutvideo"
libutvideo_encoder_deps="libutvideo"
libzvbi_teletext_decoder_deps="libzvbi"
+nvenc_encoder_deps="nvenc"
# demuxers / muxers
ac3_demuxer_select="ac3_parser"
@@ -4342,6 +4345,7 @@ die_license_disabled gpl x11grab
die_license_disabled nonfree libaacplus
die_license_disabled nonfree libfaac
+die_license_disabled nonfree nvenc
enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
enabled gpl && die_license_disabled_gpl nonfree openssl
@@ -4651,6 +4655,7 @@ fi
frei0r_filter_extralibs='$ldl'
frei0r_src_filter_extralibs='$ldl'
ladspa_filter_extralibs='$ldl'
+nvenc_encoder_extralibs='$ldl'
if ! disabled network; then
check_func getaddrinfo $network_extralibs
@@ -4916,6 +4921,7 @@ enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
+enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; }
enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
die "ERROR: openal not found"; } &&
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index fa0f53d..cc393f9 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -347,6 +347,7 @@ OBJS-$(CONFIG_MXPEG_DECODER) += mxpegdec.o
OBJS-$(CONFIG_NELLYMOSER_DECODER) += nellymoserdec.o nellymoser.o
OBJS-$(CONFIG_NELLYMOSER_ENCODER) += nellymoserenc.o nellymoser.o
OBJS-$(CONFIG_NUV_DECODER) += nuv.o rtjpeg.o
+OBJS-$(CONFIG_NVENC_ENCODER) += nvenc.o
OBJS-$(CONFIG_ON2AVC_DECODER) += on2avc.o on2avcdata.o
OBJS-$(CONFIG_OPUS_DECODER) += opusdec.o opus.o opus_celt.o \
opus_imdct.o opus_silk.o \
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 0d39d33..8ceee2f 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -223,6 +223,7 @@ void avcodec_register_all(void)
REGISTER_DECODER(MVC2, mvc2);
REGISTER_DECODER(MXPEG, mxpeg);
REGISTER_DECODER(NUV, nuv);
+ REGISTER_ENCODER(NVENC, nvenc);
REGISTER_DECODER(PAF_VIDEO, paf_video);
REGISTER_ENCDEC (PAM, pam);
REGISTER_ENCDEC (PBM, pbm);
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
new file mode 100644
index 0000000..dc14594
--- /dev/null
+++ b/libavcodec/nvenc.c
@@ -0,0 +1,1189 @@
+/*
+ * H.264 hardware encoding using nvidia nvenc
+ * Copyright (c) 2014 Timo Rothenpieler <timo at rothenpieler.org>
+ *
+ * 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
+ */
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+
+/* NVENC API is stdcall in cygwin, as it's still Windows */
+#if defined(__CYGWIN__) && !defined(_WIN32)
+#define _WIN32
+#define TEMP_WIN32
+#endif
+
+#include <nvEncodeAPI.h>
+
+#if defined(TEMP_WIN32)
+#undef _WIN32
+#endif
+
+
+#include "libavutil/internal.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/avassert.h"
+#include "libavutil/opt.h"
+#include "libavutil/mem.h"
+#include "avcodec.h"
+#include "internal.h"
+#include "thread.h"
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+#define CUDAAPI __stdcall
+#else
+#define CUDAAPI
+#endif
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#define LOAD_FUNC(l, s) GetProcAddress(l, s)
+#define DL_CLOSE_FUNC(l) FreeLibrary(l)
+#else
+#define LOAD_FUNC(l, s) dlsym(l, s)
+#define DL_CLOSE_FUNC(l) dlclose(l)
+#endif
+
+typedef enum cudaError_enum {
+ CUDA_SUCCESS = 0
+} CUresult;
+typedef int CUdevice;
+typedef void* CUcontext;
+
+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);
+
+static const GUID dummy_license = { 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } };
+
+typedef struct NvencInputSurface
+{
+ NV_ENC_INPUT_PTR input_surface;
+ int width;
+ int height;
+
+ int lockCount;
+
+ NV_ENC_BUFFER_FORMAT format;
+} NvencInputSurface;
+
+typedef struct NvencOutputSurface
+{
+ NV_ENC_OUTPUT_PTR output_surface;
+ int size;
+
+ NvencInputSurface* input_surface;
+
+ int busy;
+} NvencOutputSurface;
+
+typedef struct NvencData
+{
+ union {
+ int64_t timestamp;
+ NvencOutputSurface *surface;
+ };
+} NvencData;
+
+typedef struct NvencDataList
+{
+ NvencData* data;
+
+ uint32_t pos;
+ uint32_t count;
+ uint32_t size;
+} NvencDataList;
+
+typedef struct NvencDynLoadFunctions
+{
+ 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;
+ int nvenc_device_count;
+ CUdevice nvenc_devices[16];
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+ HMODULE cuda_lib;
+ HMODULE nvenc_lib;
+#else
+ void* cuda_lib;
+ void* nvenc_lib;
+#endif
+} NvencDynLoadFunctions;
+
+typedef struct NvencContext
+{
+ AVClass *avclass;
+
+ NvencDynLoadFunctions nvenc_dload_funcs;
+
+ NV_ENC_INITIALIZE_PARAMS init_encode_params;
+ NV_ENC_CONFIG encode_config;
+ CUcontext cu_context;
+
+ int max_surface_count;
+ NvencInputSurface *input_surfaces;
+ NvencOutputSurface *output_surfaces;
+
+ NvencDataList output_surface_queue;
+ NvencDataList output_surface_ready_queue;
+ NvencDataList timestamp_list;
+ int64_t last_dts;
+
+ void *nvencoder;
+
+ char *preset;
+ int cbr;
+ int twopass;
+ int gobpattern;
+ int gpu;
+} NvencContext;
+
+static NvencData* data_queue_dequeue(NvencDataList* queue)
+{
+ uint32_t mask;
+ uint32_t read_pos;
+
+ av_assert0(queue);
+ av_assert0(queue->size);
+ av_assert0(queue->data);
+
+ if (!queue->count)
+ return NULL;
+
+ /* Size always is a multiple of two */
+ mask = queue->size - 1;
+ read_pos = (queue->pos - queue->count) & mask;
+ queue->count--;
+
+ return &queue->data[read_pos];
+}
+
+static int data_queue_enqueue(NvencDataList* queue, NvencData *data)
+{
+ NvencDataList new_queue;
+ NvencData* tmp_data;
+ uint32_t mask;
+
+ if (!queue->size) {
+ /* size always has to be a multiple of two */
+ queue->size = 4;
+ queue->pos = 0;
+ queue->count = 0;
+
+ queue->data = av_malloc(queue->size * sizeof(*(queue->data)));
+
+ if (!queue->data) {
+ queue->size = 0;
+ return AVERROR(ENOMEM);
+ }
+ }
+
+ if (queue->count == queue->size) {
+ new_queue.size = queue->size << 1;
+ new_queue.pos = 0;
+ new_queue.count = 0;
+ new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data)));
+
+ if (!new_queue.data)
+ return AVERROR(ENOMEM);
+
+ while (tmp_data = data_queue_dequeue(queue))
+ data_queue_enqueue(&new_queue, tmp_data);
+
+ av_free(queue->data);
+ *queue = new_queue;
+ }
+
+ mask = queue->size - 1;
+
+ queue->data[queue->pos] = *data;
+ queue->pos = (queue->pos + 1) & mask;
+ queue->count++;
+
+ return 0;
+}
+
+static int out_surf_queue_enqueue(NvencDataList* queue, NvencOutputSurface* surface)
+{
+ NvencData data;
+ data.surface = surface;
+
+ return data_queue_enqueue(queue, &data);
+}
+
+static NvencOutputSurface* out_surf_queue_dequeue(NvencDataList* queue)
+{
+ NvencData* res = data_queue_dequeue(queue);
+
+ if (!res)
+ return NULL;
+
+ return res->surface;
+}
+
+static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp)
+{
+ NvencData data;
+ data.timestamp = timestamp;
+
+ return data_queue_enqueue(queue, &data);
+}
+
+static int64_t timestamp_queue_dequeue(NvencDataList* queue)
+{
+ NvencData* res = data_queue_dequeue(queue);
+
+ if (!res)
+ return AV_NOPTS_VALUE;
+
+ return res->timestamp;
+}
+
+#define CHECK_LOAD_FUNC(t, f, s) \
+do { \
+ (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \
+ if (!(f)) { \
+ av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \
+ goto error; \
+ } \
+} while (0)
+
+static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+
+ if (dl_fn->cuda_lib)
+ return 1;
+
+#if defined(_WIN32)
+ dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll"));
+#elif defined(__CYGWIN__)
+ dl_fn->cuda_lib = dlopen("nvcuda.dll", RTLD_LAZY);
+#else
+ dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY);
+#endif
+
+ if (!dl_fn->cuda_lib) {
+ av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n");
+ goto error;
+ }
+
+ CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit");
+ CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount");
+ CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet");
+ CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName");
+ CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability");
+ CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2");
+ CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2");
+ CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2");
+
+ return 1;
+
+error:
+
+ if (dl_fn->cuda_lib)
+ DL_CLOSE_FUNC(dl_fn->cuda_lib);
+
+ dl_fn->cuda_lib = NULL;
+
+ return 0;
+}
+
+static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func)
+{
+ if (err != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, ">> %s - failed with error code 0x%x\n", func, err);
+ return 0;
+ }
+ return 1;
+}
+#define check_cuda_errors(f) if (!check_cuda_errors(avctx, f, #f)) goto error
+
+static av_cold int nvenc_check_cuda(AVCodecContext *avctx)
+{
+ int device_count = 0;
+ CUdevice cu_device = 0;
+ char gpu_name[128];
+ int smminor = 0, smmajor = 0;
+ int i, smver;
+
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+
+ if (!nvenc_dyload_cuda(avctx))
+ return 0;
+
+ if (dl_fn->nvenc_device_count > 0)
+ return 1;
+
+ check_cuda_errors(dl_fn->cu_init(0));
+
+ check_cuda_errors(dl_fn->cu_device_get_count(&device_count));
+
+ if (!device_count) {
+ av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
+ goto error;
+ }
+
+ av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", device_count);
+
+ dl_fn->nvenc_device_count = 0;
+
+ for (i = 0; i < device_count; ++i) {
+ check_cuda_errors(dl_fn->cu_device_get(&cu_device, i));
+ check_cuda_errors(dl_fn->cu_device_get_name(gpu_name, sizeof(gpu_name), cu_device));
+ check_cuda_errors(dl_fn->cu_device_compute_capability(&smmajor, &smminor, cu_device));
+
+ smver = (smmajor << 4) | smminor;
+
+ av_log(avctx, AV_LOG_VERBOSE, "[ GPU #%d - < %s > has Compute SM %d.%d, NVENC %s ]\n", i, gpu_name, smmajor, smminor, (smver >= 0x30) ? "Available" : "Not Available");
+
+ if (smver >= 0x30)
+ dl_fn->nvenc_devices[dl_fn->nvenc_device_count++] = cu_device;
+ }
+
+ if (!dl_fn->nvenc_device_count) {
+ av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
+ goto error;
+ }
+
+ return 1;
+
+error:
+
+ dl_fn->nvenc_device_count = 0;
+
+ return 0;
+}
+
+static av_cold int nvenc_dyload_nvenc(AVCodecContext *avctx)
+{
+ PNVENCODEAPICREATEINSTANCE nvEncodeAPICreateInstance = 0;
+ NVENCSTATUS nvstatus;
+
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+
+ if (!nvenc_check_cuda(avctx))
+ return 0;
+
+ if (dl_fn->nvenc_lib)
+ return 1;
+
+#if defined(_WIN32)
+ if (sizeof(void*) == 8) {
+ dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI64.dll"));
+ } else {
+ dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI.dll"));
+ }
+#elif defined(__CYGWIN__)
+ if (sizeof(void*) == 8) {
+ dl_fn->nvenc_lib = dlopen("nvEncodeAPI64.dll", RTLD_LAZY);
+ } else {
+ dl_fn->nvenc_lib = dlopen("nvEncodeAPI.dll", RTLD_LAZY);
+ }
+#else
+ dl_fn->nvenc_lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
+#endif
+
+ if (!dl_fn->nvenc_lib) {
+ av_log(avctx, AV_LOG_FATAL, "Failed loading the nvenc library\n");
+ goto error;
+ }
+
+ nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance");
+
+ if (!nvEncodeAPICreateInstance) {
+ av_log(avctx, AV_LOG_FATAL, "Failed to load nvenc entrypoint\n");
+ goto error;
+ }
+
+ dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
+
+ nvstatus = nvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
+
+ if (nvstatus != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed to create nvenc instance\n");
+ goto error;
+ }
+
+ av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
+
+ return 1;
+
+error:
+ if (dl_fn->nvenc_lib)
+ DL_CLOSE_FUNC(dl_fn->nvenc_lib);
+
+ dl_fn->nvenc_lib = NULL;
+
+ return 0;
+}
+
+static av_cold void nvenc_unload_nvenc(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+
+ DL_CLOSE_FUNC(dl_fn->nvenc_lib);
+ dl_fn->nvenc_lib = NULL;
+
+ dl_fn->nvenc_device_count = 0;
+
+ DL_CLOSE_FUNC(dl_fn->cuda_lib);
+ dl_fn->cuda_lib = NULL;
+
+ dl_fn->cu_init = NULL;
+ dl_fn->cu_device_get_count = NULL;
+ dl_fn->cu_device_get = NULL;
+ dl_fn->cu_device_get_name = NULL;
+ dl_fn->cu_device_compute_capability = NULL;
+ dl_fn->cu_ctx_create = NULL;
+ dl_fn->cu_ctx_pop_current = NULL;
+ dl_fn->cu_ctx_destroy = NULL;
+
+ av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
+}
+
+static av_cold int nvenc_encode_init(AVCodecContext *avctx)
+{
+ NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS encode_session_params = { 0 };
+ NV_ENC_PRESET_CONFIG preset_config = { 0 };
+ CUcontext cu_context_curr;
+ CUresult cu_res;
+ GUID encoder_preset = NV_ENC_PRESET_HQ_GUID;
+ GUID license = dummy_license;
+ NVENCSTATUS nv_status = NV_ENC_SUCCESS;
+ int surfaceCount = 0;
+ int i, num_mbs;
+ int isLL = 0;
+ int res = 0;
+
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+
+ if (!nvenc_dyload_nvenc(avctx))
+ return AVERROR_EXTERNAL;
+
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame) {
+ res = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ ctx->last_dts = AV_NOPTS_VALUE;
+
+ ctx->encode_config.version = NV_ENC_CONFIG_VER;
+ ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
+ preset_config.version = NV_ENC_PRESET_CONFIG_VER;
+ preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
+ encode_session_params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
+ encode_session_params.apiVersion = NVENCAPI_VERSION;
+ encode_session_params.clientKeyPtr = &license;
+
+ if (ctx->gpu >= dl_fn->nvenc_device_count) {
+ av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->gpu, dl_fn->nvenc_device_count);
+ res = AVERROR(EINVAL);
+ goto error;
+ }
+
+ ctx->cu_context = NULL;
+ cu_res = dl_fn->cu_ctx_create(&ctx->cu_context, 0, dl_fn->nvenc_devices[ctx->gpu]);
+
+ if (cu_res != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ cu_res = dl_fn->cu_ctx_pop_current(&cu_context_curr);
+
+ if (cu_res != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ encode_session_params.device = ctx->cu_context;
+ encode_session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
+
+ nv_status = p_nvenc->nvEncOpenEncodeSessionEx(&encode_session_params, &ctx->nvencoder);
+ if (nv_status != NV_ENC_SUCCESS) {
+ ctx->nvencoder = NULL;
+ av_log(avctx, AV_LOG_FATAL, "OpenEncodeSessionEx failed: 0x%x - invalid license key?\n", (int)nv_status);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ if (ctx->preset) {
+ if (!strcmp(ctx->preset, "hp")) {
+ encoder_preset = NV_ENC_PRESET_HP_GUID;
+ } else if (!strcmp(ctx->preset, "hq")) {
+ encoder_preset = NV_ENC_PRESET_HQ_GUID;
+ } else if (!strcmp(ctx->preset, "bd")) {
+ encoder_preset = NV_ENC_PRESET_BD_GUID;
+ } else if (!strcmp(ctx->preset, "ll")) {
+ encoder_preset = NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID;
+ isLL = 1;
+ } else if (!strcmp(ctx->preset, "llhp")) {
+ encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HP_GUID;
+ isLL = 1;
+ } else if (!strcmp(ctx->preset, "llhq")) {
+ encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HQ_GUID;
+ isLL = 1;
+ } else if (!strcmp(ctx->preset, "default")) {
+ encoder_preset = NV_ENC_PRESET_DEFAULT_GUID;
+ } else {
+ av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: hp, hq, bd, ll, llhp, llhq, default\n", ctx->preset);
+ res = AVERROR(EINVAL);
+ goto error;
+ }
+ }
+
+ nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, NV_ENC_CODEC_H264_GUID, encoder_preset, &preset_config);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "GetEncodePresetConfig failed: 0x%x\n", (int)nv_status);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ ctx->init_encode_params.encodeGUID = NV_ENC_CODEC_H264_GUID;
+ ctx->init_encode_params.encodeHeight = avctx->height;
+ ctx->init_encode_params.encodeWidth = avctx->width;
+ ctx->init_encode_params.darHeight = avctx->height;
+ ctx->init_encode_params.darWidth = avctx->width;
+ ctx->init_encode_params.frameRateNum = avctx->time_base.den;
+ ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
+
+ num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4);
+ ctx->max_surface_count = (num_mbs >= 8160) ? 32 : 48;
+
+ ctx->init_encode_params.enableEncodeAsync = 0;
+ ctx->init_encode_params.enablePTD = 1;
+
+ ctx->init_encode_params.presetGUID = encoder_preset;
+
+ ctx->init_encode_params.encodeConfig = &ctx->encode_config;
+ memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
+ ctx->encode_config.version = NV_ENC_CONFIG_VER;
+
+ if (avctx->gop_size >= 0) {
+ ctx->encode_config.gopLength = avctx->gop_size;
+ ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size;
+ }
+
+ if (avctx->bit_rate > 0)
+ ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate;
+
+ if (avctx->rc_max_rate > 0)
+ ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
+
+ if (ctx->cbr) {
+ if (!ctx->twopass) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
+ } else if (ctx->twopass == 1 || isLL) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_QUALITY;
+
+ ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
+ ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
+
+ if (!isLL)
+ av_log(avctx, AV_LOG_WARNING, "Twopass mode is only known to work with low latency (ll, llhq, llhp) presets.\n");
+ } else {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
+ }
+ } else if (avctx->global_quality > 0) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
+ ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality;
+ ctx->encode_config.rcParams.constQP.qpInterP = avctx->global_quality;
+ ctx->encode_config.rcParams.constQP.qpIntra = avctx->global_quality;
+
+ avctx->qmin = -1;
+ avctx->qmax = -1;
+ } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
+
+ ctx->encode_config.rcParams.enableMinQP = 1;
+ ctx->encode_config.rcParams.enableMaxQP = 1;
+
+ ctx->encode_config.rcParams.minQP.qpInterB = avctx->qmin;
+ ctx->encode_config.rcParams.minQP.qpInterP = avctx->qmin;
+ ctx->encode_config.rcParams.minQP.qpIntra = avctx->qmin;
+
+ ctx->encode_config.rcParams.maxQP.qpInterB = avctx->qmax;
+ ctx->encode_config.rcParams.maxQP.qpInterP = avctx->qmax;
+ ctx->encode_config.rcParams.maxQP.qpIntra = avctx->qmax;
+ }
+
+ if (avctx->rc_buffer_size > 0)
+ ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size;
+
+ if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+ ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
+ } else {
+ ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
+ }
+
+ switch (avctx->profile) {
+ case FF_PROFILE_H264_BASELINE:
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
+ break;
+ case FF_PROFILE_H264_MAIN:
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
+ break;
+ case FF_PROFILE_H264_HIGH:
+ case FF_PROFILE_UNKNOWN:
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
+ break;
+ default:
+ av_log(avctx, AV_LOG_WARNING, "Unsupported h264 profile requested, falling back to high\n");
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
+ break;
+ }
+
+ if (ctx->gobpattern >= 0) {
+ ctx->encode_config.frameIntervalP = 1;
+ }
+
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag = 1;
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag = 1;
+
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourMatrix = avctx->colorspace;
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourPrimaries = avctx->color_primaries;
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.transferCharacteristics = avctx->color_trc;
+
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
+
+ ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
+
+ nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "InitializeEncoder failed: 0x%x\n", (int)nv_status);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ ctx->input_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->input_surfaces));
+
+ if (!ctx->input_surfaces) {
+ res = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ ctx->output_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->output_surfaces));
+
+ if (!ctx->output_surfaces) {
+ res = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ for (surfaceCount = 0; surfaceCount < ctx->max_surface_count; ++surfaceCount) {
+ NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
+ NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
+ allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
+ allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
+
+ allocSurf.width = (avctx->width + 31) & ~31;
+ allocSurf.height = (avctx->height + 31) & ~31;
+
+ allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
+
+ switch (avctx->pix_fmt) {
+ case AV_PIX_FMT_YUV420P:
+ allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
+ break;
+
+ case AV_PIX_FMT_NV12:
+ allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
+ break;
+
+ case AV_PIX_FMT_YUV444P:
+ allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
+ break;
+
+ default:
+ av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n");
+ res = AVERROR(EINVAL);
+ goto error;
+ }
+
+ nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
+ if (nv_status = NV_ENC_SUCCESS){
+ av_log(avctx, AV_LOG_FATAL, "CreateInputBuffer failed\n");
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ ctx->input_surfaces[surfaceCount].lockCount = 0;
+ ctx->input_surfaces[surfaceCount].input_surface = allocSurf.inputBuffer;
+ ctx->input_surfaces[surfaceCount].format = allocSurf.bufferFmt;
+ ctx->input_surfaces[surfaceCount].width = allocSurf.width;
+ ctx->input_surfaces[surfaceCount].height = allocSurf.height;
+
+ /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's not enough. */
+ allocOut.size = 1024 * 1024;
+
+ allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
+
+ nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
+ if (nv_status = NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "CreateBitstreamBuffer failed\n");
+ ctx->output_surfaces[surfaceCount++].output_surface = NULL;
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ ctx->output_surfaces[surfaceCount].output_surface = allocOut.bitstreamBuffer;
+ ctx->output_surfaces[surfaceCount].size = allocOut.size;
+ ctx->output_surfaces[surfaceCount].busy = 0;
+ }
+
+ if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+ uint32_t outSize = 0;
+ char tmpHeader[256];
+ NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
+ payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
+
+ payload.spsppsBuffer = tmpHeader;
+ payload.inBufferSize = sizeof(tmpHeader);
+ payload.outSPSPPSPayloadSize = &outSize;
+
+ nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "GetSequenceParams failed\n");
+ goto error;
+ }
+
+ avctx->extradata_size = outSize;
+ avctx->extradata = av_mallocz(outSize + FF_INPUT_BUFFER_PADDING_SIZE);
+
+ if (!avctx->extradata) {
+ res = AVERROR(ENOMEM);
+ goto error;
+ }
+
+ memcpy(avctx->extradata, tmpHeader, outSize);
+ }
+
+ if (ctx->encode_config.frameIntervalP > 1)
+ avctx->has_b_frames = 2;
+
+ if (ctx->encode_config.rcParams.averageBitRate > 0)
+ avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate;
+
+ return 0;
+
+error:
+
+ for (i = 0; i < surfaceCount; ++i) {
+ p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
+ if (ctx->output_surfaces[i].output_surface)
+ p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
+ }
+
+ if (ctx->nvencoder)
+ p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
+
+ if (ctx->cu_context)
+ dl_fn->cu_ctx_destroy(ctx->cu_context);
+
+ av_frame_free(&avctx->coded_frame);
+
+ nvenc_unload_nvenc(avctx);
+
+ ctx->nvencoder = NULL;
+ ctx->cu_context = NULL;
+
+ return res;
+}
+
+static av_cold int nvenc_encode_close(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+ int i;
+
+ av_freep(&ctx->timestamp_list.data);
+ av_freep(&ctx->output_surface_ready_queue.data);
+ av_freep(&ctx->output_surface_queue.data);
+
+ for (i = 0; i < ctx->max_surface_count; ++i) {
+ p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
+ p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
+ }
+ ctx->max_surface_count = 0;
+
+ p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
+ ctx->nvencoder = NULL;
+
+ dl_fn->cu_ctx_destroy(ctx->cu_context);
+ ctx->cu_context = NULL;
+
+ nvenc_unload_nvenc(avctx);
+
+ av_frame_free(&avctx->coded_frame);
+
+ return 0;
+}
+
+static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, AVFrame *coded_frame, NvencOutputSurface *tmpoutsurf)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+
+ uint32_t *slice_offsets = av_mallocz(ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData * sizeof(*slice_offsets));
+ NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
+ NVENCSTATUS nv_status;
+ int res = 0;
+
+ if (!slice_offsets)
+ return AVERROR(ENOMEM);
+
+ lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
+
+ lock_params.doNotWait = 0;
+ lock_params.outputBitstream = tmpoutsurf->output_surface;
+ lock_params.sliceOffsets = slice_offsets;
+
+ nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed locking bitstream buffer\n");
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes)) {
+ p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
+ goto error;
+ }
+
+ memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes);
+
+ nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
+ if (nv_status != NV_ENC_SUCCESS)
+ av_log(avctx, AV_LOG_ERROR, "Failed unlocking bitstream buffer, expect the gates of mordor to open\n");
+
+ switch (lock_params.pictureType) {
+ case NV_ENC_PIC_TYPE_IDR:
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ 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;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n");
+ av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n");
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
+
+ pkt->pts = lock_params.outputTimeStamp;
+ pkt->dts = timestamp_queue_dequeue(&ctx->timestamp_list);
+
+ if (pkt->dts > pkt->pts)
+ pkt->dts = pkt->pts;
+
+ if (ctx->last_dts != AV_NOPTS_VALUE && pkt->dts <= ctx->last_dts)
+ pkt->dts = ctx->last_dts + 1;
+
+ ctx->last_dts = pkt->dts;
+
+ av_free(slice_offsets);
+
+ return 0;
+
+error:
+
+ av_free(slice_offsets);
+ timestamp_queue_dequeue(&ctx->timestamp_list);
+
+ return res;
+}
+
+static int nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet)
+{
+ NVENCSTATUS nv_status;
+ NvencOutputSurface *tmpoutsurf;
+ int res, i = 0;
+
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+
+ NV_ENC_PIC_PARAMS pic_params = { 0 };
+ pic_params.version = NV_ENC_PIC_PARAMS_VER;
+
+ if (frame) {
+ NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
+ NvencInputSurface *inSurf = NULL;
+
+ for (i = 0; i < ctx->max_surface_count; ++i) {
+ if (!ctx->input_surfaces[i].lockCount) {
+ inSurf = &ctx->input_surfaces[i];
+ break;
+ }
+ }
+
+ av_assert0(inSurf);
+
+ inSurf->lockCount = 1;
+
+ lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
+ lockBufferParams.inputBuffer = inSurf->input_surface;
+
+ nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n");
+ return 0;
+ }
+
+ if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
+ uint8_t *buf = lockBufferParams.bufferDataPtr;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[0], frame->linesize[0],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
+ frame->data[2], frame->linesize[2],
+ avctx->width >> 1, avctx->height >> 1);
+
+ buf += (inSurf->height * lockBufferParams.pitch) >> 2;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
+ frame->data[1], frame->linesize[1],
+ avctx->width >> 1, avctx->height >> 1);
+ } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
+ uint8_t *buf = lockBufferParams.bufferDataPtr;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[0], frame->linesize[0],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[1], frame->linesize[1],
+ avctx->width, avctx->height >> 1);
+ } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
+ uint8_t *buf = lockBufferParams.bufferDataPtr;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[0], frame->linesize[0],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[1], frame->linesize[1],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[2], frame->linesize[2],
+ avctx->width, avctx->height);
+ } else {
+ av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n");
+ return AVERROR(EINVAL);
+ }
+
+ nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ for (i = 0; i < ctx->max_surface_count; ++i)
+ if (!ctx->output_surfaces[i].busy)
+ break;
+
+ if (i == ctx->max_surface_count) {
+ inSurf->lockCount = 0;
+ av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ ctx->output_surfaces[i].input_surface = inSurf;
+
+ pic_params.inputBuffer = inSurf->input_surface;
+ pic_params.bufferFmt = inSurf->format;
+ pic_params.inputWidth = avctx->width;
+ pic_params.inputHeight = avctx->height;
+ pic_params.outputBitstream = ctx->output_surfaces[i].output_surface;
+ pic_params.completionEvent = 0;
+
+ if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+ if (frame->top_field_first) {
+ pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
+ } else {
+ pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
+ }
+ } else {
+ pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
+ }
+
+ pic_params.encodePicFlags = 0;
+ pic_params.inputTimeStamp = frame->pts;
+ pic_params.inputDuration = 0;
+ pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
+ pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
+ memcpy(&pic_params.rcParams, &ctx->encode_config.rcParams, sizeof(NV_ENC_RC_PARAMS));
+
+ res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts);
+
+ if (res)
+ return res;
+ } else {
+ pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
+ }
+
+ nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
+
+ if (frame && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) {
+ res = out_surf_queue_enqueue(&ctx->output_surface_queue, &ctx->output_surfaces[i]);
+
+ if (res)
+ return res;
+
+ ctx->output_surfaces[i].busy = 1;
+ }
+
+ if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
+ av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
+ while (ctx->output_surface_queue.count) {
+ tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue);
+ res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf);
+
+ if (res)
+ return res;
+ }
+
+ if (frame) {
+ res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, &ctx->output_surfaces[i]);
+
+ if (res)
+ return res;
+
+ ctx->output_surfaces[i].busy = 1;
+ }
+ }
+
+ if (ctx->output_surface_ready_queue.count) {
+ tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_ready_queue);
+
+ res = process_output_surface(avctx, pkt, avctx->coded_frame, tmpoutsurf);
+
+ if (res)
+ return res;
+
+ tmpoutsurf->busy = 0;
+ av_assert0(tmpoutsurf->input_surface->lockCount);
+ tmpoutsurf->input_surface->lockCount--;
+
+ *got_packet = 1;
+ } else {
+ *got_packet = 0;
+ }
+
+ return 0;
+}
+
+static enum AVPixelFormat pix_fmts_nvenc[] = {
+ AV_PIX_FMT_NV12,
+ AV_PIX_FMT_NONE
+};
+
+#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 (one of hq, hp, bd, ll, llhq, llhp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "hq" }, 0, 0, VE },
+ { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
+ { "2pass", "Use 2pass cbr encoding mode (low latency mode only)", OFFSET(twopass), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
+ { "goppattern", "Specifies the GOP pattern as follows: 0: I, 1: IPP, 2: IBP, 3: IBBP", OFFSET(gobpattern), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 3, VE },
+ { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(gpu), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+ { NULL }
+};
+
+static const AVClass nvenc_class = {
+ .class_name = "nvenc",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault nvenc_defaults[] = {
+ { "b", "0" },
+ { "qmin", "-1" },
+ { "qmax", "-1" },
+ { "qdiff", "-1" },
+ { "qblur", "-1" },
+ { "qcomp", "-1" },
+ { NULL },
+};
+
+AVCodec ff_nvenc_encoder = {
+ .name = "nvenc",
+ .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .priv_data_size = sizeof(NvencContext),
+ .init = nvenc_encode_init,
+ .encode2 = nvenc_encode_frame,
+ .close = nvenc_encode_close,
+ .capabilities = CODEC_CAP_DELAY,
+ .priv_class = &nvenc_class,
+ .defaults = nvenc_defaults,
+ .pix_fmts = pix_fmts_nvenc,
+};
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