1184 lines
36 KiB
C
1184 lines
36 KiB
C
/*
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* NVIDIA NVENC Support
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* Copyright (C) 2015 Luca Barbato
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <cuda.h>
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#include <nvEncodeAPI.h>
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#include <string.h>
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#define CUDA_LIBNAME "libcuda.so"
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#if HAVE_DLFCN_H
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#include <dlfcn.h>
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#define NVENC_LIBNAME "libnvidia-encode.so"
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#elif HAVE_WINDOWS_H
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#include <windows.h>
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#if ARCH_X86_64
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#define NVENC_LIBNAME "nvEncodeAPI64.dll"
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#else
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#define NVENC_LIBNAME "nvEncodeAPI.dll"
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#endif
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#define dlopen(filename, flags) LoadLibrary((filename))
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#define dlsym(handle, symbol) GetProcAddress(handle, symbol)
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#define dlclose(handle) FreeLibrary(handle)
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#endif
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#include "libavutil/common.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/mem.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "nvenc.h"
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#define NVENC_CAP 0x30
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#define BITSTREAM_BUFFER_SIZE 1024 * 1024
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#define LOAD_LIBRARY(l, path) \
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do { \
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if (!((l) = dlopen(path, RTLD_LAZY))) { \
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av_log(avctx, AV_LOG_ERROR, \
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"Cannot load %s\n", \
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path); \
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return AVERROR_UNKNOWN; \
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} \
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} while (0)
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#define LOAD_SYMBOL(fun, lib, symbol) \
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do { \
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if (!((fun) = dlsym(lib, symbol))) { \
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av_log(avctx, AV_LOG_ERROR, \
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"Cannot load %s\n", \
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symbol); \
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return AVERROR_UNKNOWN; \
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} \
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} while (0)
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static const struct {
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NVENCSTATUS nverr;
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int averr;
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const char *desc;
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} nvenc_errors[] = {
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{ NV_ENC_SUCCESS, 0, "success" },
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{ NV_ENC_ERR_NO_ENCODE_DEVICE, AVERROR(ENOENT), "no encode device" },
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{ NV_ENC_ERR_UNSUPPORTED_DEVICE, AVERROR(ENOSYS), "unsupported device" },
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{ NV_ENC_ERR_INVALID_ENCODERDEVICE, AVERROR(EINVAL), "invalid encoder device" },
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{ NV_ENC_ERR_INVALID_DEVICE, AVERROR(EINVAL), "invalid device" },
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{ NV_ENC_ERR_DEVICE_NOT_EXIST, AVERROR(EIO), "device does not exist" },
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{ NV_ENC_ERR_INVALID_PTR, AVERROR(EFAULT), "invalid ptr" },
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{ NV_ENC_ERR_INVALID_EVENT, AVERROR(EINVAL), "invalid event" },
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{ NV_ENC_ERR_INVALID_PARAM, AVERROR(EINVAL), "invalid param" },
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{ NV_ENC_ERR_INVALID_CALL, AVERROR(EINVAL), "invalid call" },
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{ NV_ENC_ERR_OUT_OF_MEMORY, AVERROR(ENOMEM), "out of memory" },
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{ NV_ENC_ERR_ENCODER_NOT_INITIALIZED, AVERROR(EINVAL), "encoder not initialized" },
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{ NV_ENC_ERR_UNSUPPORTED_PARAM, AVERROR(ENOSYS), "unsupported param" },
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{ NV_ENC_ERR_LOCK_BUSY, AVERROR(EAGAIN), "lock busy" },
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{ NV_ENC_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOBUFS), "not enough buffer" },
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{ NV_ENC_ERR_INVALID_VERSION, AVERROR(EINVAL), "invalid version" },
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{ NV_ENC_ERR_MAP_FAILED, AVERROR(EIO), "map failed" },
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{ NV_ENC_ERR_NEED_MORE_INPUT, AVERROR(EAGAIN), "need more input" },
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{ NV_ENC_ERR_ENCODER_BUSY, AVERROR(EAGAIN), "encoder busy" },
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{ NV_ENC_ERR_EVENT_NOT_REGISTERD, AVERROR(EBADF), "event not registered" },
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{ NV_ENC_ERR_GENERIC, AVERROR_UNKNOWN, "generic error" },
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{ NV_ENC_ERR_INCOMPATIBLE_CLIENT_KEY, AVERROR(EINVAL), "incompatible client key" },
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{ NV_ENC_ERR_UNIMPLEMENTED, AVERROR(ENOSYS), "unimplemented" },
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{ NV_ENC_ERR_RESOURCE_REGISTER_FAILED, AVERROR(EIO), "resource register failed" },
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{ NV_ENC_ERR_RESOURCE_NOT_REGISTERED, AVERROR(EBADF), "resource not registered" },
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{ NV_ENC_ERR_RESOURCE_NOT_MAPPED, AVERROR(EBADF), "resource not mapped" },
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};
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static int nvenc_map_error(NVENCSTATUS err, const char **desc)
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{
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(nvenc_errors); i++) {
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if (nvenc_errors[i].nverr == err) {
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if (desc)
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*desc = nvenc_errors[i].desc;
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return nvenc_errors[i].averr;
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}
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}
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if (desc)
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*desc = "unknown error";
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return AVERROR_UNKNOWN;
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}
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static int nvenc_print_error(void *log_ctx, NVENCSTATUS err,
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const char *error_string)
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{
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const char *desc;
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int ret;
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ret = nvenc_map_error(err, &desc);
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av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
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return ret;
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}
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static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
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{
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NVENCContext *ctx = avctx->priv_data;
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NVENCLibraryContext *nvel = &ctx->nvel;
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PNVENCODEAPICREATEINSTANCE nvenc_create_instance;
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NVENCSTATUS err;
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LOAD_LIBRARY(nvel->cuda, CUDA_LIBNAME);
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LOAD_SYMBOL(nvel->cu_init, nvel->cuda, "cuInit");
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LOAD_SYMBOL(nvel->cu_device_get_count, nvel->cuda, "cuDeviceGetCount");
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LOAD_SYMBOL(nvel->cu_device_get, nvel->cuda, "cuDeviceGet");
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LOAD_SYMBOL(nvel->cu_device_get_name, nvel->cuda, "cuDeviceGetName");
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LOAD_SYMBOL(nvel->cu_device_compute_capability, nvel->cuda,
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"cuDeviceComputeCapability");
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LOAD_SYMBOL(nvel->cu_ctx_create, nvel->cuda, "cuCtxCreate_v2");
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LOAD_SYMBOL(nvel->cu_ctx_pop_current, nvel->cuda, "cuCtxPopCurrent_v2");
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LOAD_SYMBOL(nvel->cu_ctx_destroy, nvel->cuda, "cuCtxDestroy_v2");
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LOAD_LIBRARY(nvel->nvenc, NVENC_LIBNAME);
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LOAD_SYMBOL(nvenc_create_instance, nvel->nvenc,
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"NvEncodeAPICreateInstance");
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nvel->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
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err = nvenc_create_instance(&nvel->nvenc_funcs);
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if (err != NV_ENC_SUCCESS)
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return nvenc_print_error(avctx, err, "Cannot create the NVENC instance");
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return 0;
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}
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static int nvenc_open_session(AVCodecContext *avctx)
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{
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NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params = { 0 };
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NVENCContext *ctx = avctx->priv_data;
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NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
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int ret;
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params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
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params.apiVersion = NVENCAPI_VERSION;
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params.device = ctx->cu_context;
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params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
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ret = nv->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvenc_ctx);
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if (ret != NV_ENC_SUCCESS) {
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ctx->nvenc_ctx = NULL;
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return nvenc_print_error(avctx, ret, "Cannot open the NVENC Session");
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}
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return 0;
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}
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static int nvenc_check_codec_support(AVCodecContext *avctx)
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{
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NVENCContext *ctx = avctx->priv_data;
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NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
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int i, ret, count = 0;
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GUID *guids = NULL;
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ret = nv->nvEncGetEncodeGUIDCount(ctx->nvenc_ctx, &count);
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if (ret != NV_ENC_SUCCESS || !count)
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return AVERROR(ENOSYS);
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guids = av_malloc(count * sizeof(GUID));
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if (!guids)
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return AVERROR(ENOMEM);
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ret = nv->nvEncGetEncodeGUIDs(ctx->nvenc_ctx, guids, count, &count);
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if (ret != NV_ENC_SUCCESS) {
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ret = AVERROR(ENOSYS);
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goto fail;
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}
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ret = AVERROR(ENOSYS);
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for (i = 0; i < count; i++) {
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if (!memcmp(&guids[i], &ctx->params.encodeGUID, sizeof(*guids))) {
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ret = 0;
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break;
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}
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}
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fail:
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av_free(guids);
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return ret;
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}
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static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap)
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{
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NVENCContext *ctx = avctx->priv_data;
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NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
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NV_ENC_CAPS_PARAM params = { 0 };
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int ret, val = 0;
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params.version = NV_ENC_CAPS_PARAM_VER;
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params.capsToQuery = cap;
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ret = nv->nvEncGetEncodeCaps(ctx->nvenc_ctx, ctx->params.encodeGUID, ¶ms, &val);
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if (ret == NV_ENC_SUCCESS)
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return val;
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return 0;
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}
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static int nvenc_check_capabilities(AVCodecContext *avctx)
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{
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int ret;
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ret = nvenc_check_codec_support(avctx);
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if (ret < 0) {
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av_log(avctx, AV_LOG_VERBOSE, "Codec not supported\n");
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return ret;
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}
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ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_YUV444_ENCODE);
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if (avctx->pix_fmt == AV_PIX_FMT_YUV444P && ret <= 0) {
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av_log(avctx, AV_LOG_VERBOSE, "YUV444P not supported\n");
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return AVERROR(ENOSYS);
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}
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ret = nvenc_check_cap(avctx, NV_ENC_CAPS_WIDTH_MAX);
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if (ret < avctx->width) {
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av_log(avctx, AV_LOG_VERBOSE, "Width %d exceeds %d\n",
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avctx->width, ret);
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return AVERROR(ENOSYS);
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}
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ret = nvenc_check_cap(avctx, NV_ENC_CAPS_HEIGHT_MAX);
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if (ret < avctx->height) {
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av_log(avctx, AV_LOG_VERBOSE, "Height %d exceeds %d\n",
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avctx->height, ret);
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return AVERROR(ENOSYS);
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}
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ret = nvenc_check_cap(avctx, NV_ENC_CAPS_NUM_MAX_BFRAMES);
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if (ret < avctx->max_b_frames) {
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av_log(avctx, AV_LOG_VERBOSE, "Max b-frames %d exceed %d\n",
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avctx->max_b_frames, ret);
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return AVERROR(ENOSYS);
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}
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return 0;
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}
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static int nvenc_check_device(AVCodecContext *avctx, int idx)
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{
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NVENCContext *ctx = avctx->priv_data;
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NVENCLibraryContext *nvel = &ctx->nvel;
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char name[128] = { 0 };
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int major, minor, ret;
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CUdevice cu_device;
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CUcontext dummy;
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int loglevel = AV_LOG_VERBOSE;
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if (ctx->device == LIST_DEVICES)
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loglevel = AV_LOG_INFO;
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ret = nvel->cu_device_get(&cu_device, idx);
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if (ret != CUDA_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR,
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"Cannot access the CUDA device %d\n",
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idx);
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return -1;
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}
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ret = nvel->cu_device_get_name(name, sizeof(name), cu_device);
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if (ret != CUDA_SUCCESS)
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return -1;
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ret = nvel->cu_device_compute_capability(&major, &minor, cu_device);
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if (ret != CUDA_SUCCESS)
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return -1;
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av_log(avctx, loglevel, "Device %d [%s] ", cu_device, name);
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if (((major << 4) | minor) < NVENC_CAP)
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goto fail;
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ret = nvel->cu_ctx_create(&ctx->cu_context, 0, cu_device);
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if (ret != CUDA_SUCCESS)
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goto fail;
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ret = nvel->cu_ctx_pop_current(&dummy);
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if (ret != CUDA_SUCCESS)
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goto fail2;
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if ((ret = nvenc_open_session(avctx)) < 0)
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goto fail2;
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if ((ret = nvenc_check_capabilities(avctx)) < 0)
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goto fail3;
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av_log(avctx, loglevel, "supports NVENC\n");
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if (ctx->device == cu_device || ctx->device == ANY_DEVICE)
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return 0;
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fail3:
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nvel->nvenc_funcs.nvEncDestroyEncoder(ctx->nvenc_ctx);
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ctx->nvenc_ctx = NULL;
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fail2:
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nvel->cu_ctx_destroy(ctx->cu_context);
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ctx->cu_context = NULL;
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fail:
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if (ret != 0)
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av_log(avctx, loglevel, "does not support NVENC (major %d minor %d)\n",
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major, minor);
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return AVERROR(ENOSYS);
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}
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static int nvenc_setup_device(AVCodecContext *avctx)
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{
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NVENCContext *ctx = avctx->priv_data;
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NVENCLibraryContext *nvel = &ctx->nvel;
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int i, nb_devices = 0;
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if ((nvel->cu_init(0)) != CUDA_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR,
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"Cannot init CUDA\n");
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return AVERROR_UNKNOWN;
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}
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if ((nvel->cu_device_get_count(&nb_devices)) != CUDA_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR,
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"Cannot enumerate the CUDA devices\n");
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return AVERROR_UNKNOWN;
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}
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switch (avctx->codec->id) {
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case AV_CODEC_ID_H264:
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ctx->params.encodeGUID = NV_ENC_CODEC_H264_GUID;
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break;
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case AV_CODEC_ID_HEVC:
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ctx->params.encodeGUID = NV_ENC_CODEC_HEVC_GUID;
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break;
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default:
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return AVERROR_BUG;
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}
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for (i = 0; i < nb_devices; ++i) {
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if ((nvenc_check_device(avctx, i)) >= 0 && ctx->device != LIST_DEVICES)
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return 0;
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}
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if (ctx->device == LIST_DEVICES)
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return AVERROR_EXIT;
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return AVERROR(ENOSYS);
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}
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typedef struct GUIDTuple {
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const GUID guid;
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int flags;
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} GUIDTuple;
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static int nvec_map_preset(NVENCContext *ctx)
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{
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GUIDTuple presets[] = {
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{ NV_ENC_PRESET_DEFAULT_GUID },
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{ NV_ENC_PRESET_HP_GUID },
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{ NV_ENC_PRESET_HQ_GUID },
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{ NV_ENC_PRESET_BD_GUID },
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{ NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID, NVENC_LOWLATENCY },
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{ NV_ENC_PRESET_LOW_LATENCY_HP_GUID, NVENC_LOWLATENCY },
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{ NV_ENC_PRESET_LOW_LATENCY_HQ_GUID, NVENC_LOWLATENCY },
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{ NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID, NVENC_LOSSLESS },
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{ NV_ENC_PRESET_LOSSLESS_HP_GUID, NVENC_LOSSLESS },
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{ { 0 } }
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};
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|
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GUIDTuple *t = &presets[ctx->preset];
|
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|
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ctx->params.presetGUID = t->guid;
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ctx->flags = t->flags;
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|
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return AVERROR(EINVAL);
|
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}
|
|
|
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static void set_constqp(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc)
|
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{
|
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rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
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rc->constQP.qpInterB = avctx->global_quality;
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rc->constQP.qpInterP = avctx->global_quality;
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rc->constQP.qpIntra = avctx->global_quality;
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}
|
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|
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static void set_vbr(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc)
|
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{
|
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if (avctx->qmin >= 0) {
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rc->enableMinQP = 1;
|
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rc->minQP.qpInterB = avctx->qmin;
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rc->minQP.qpInterP = avctx->qmin;
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rc->minQP.qpIntra = avctx->qmin;
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}
|
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|
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if (avctx->qmax >= 0) {
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rc->enableMaxQP = 1;
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rc->maxQP.qpInterB = avctx->qmax;
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rc->maxQP.qpInterP = avctx->qmax;
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rc->maxQP.qpIntra = avctx->qmax;
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}
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}
|
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|
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static void nvenc_override_rate_control(AVCodecContext *avctx,
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NV_ENC_RC_PARAMS *rc)
|
|
{
|
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NVENCContext *ctx = avctx->priv_data;
|
|
|
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switch (ctx->rc) {
|
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case NV_ENC_PARAMS_RC_CONSTQP:
|
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if (avctx->global_quality < 0) {
|
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av_log(avctx, AV_LOG_WARNING,
|
|
"The constant quality rate-control requires "
|
|
"the 'global_quality' option set.\n");
|
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return;
|
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}
|
|
set_constqp(avctx, rc);
|
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return;
|
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case NV_ENC_PARAMS_RC_2_PASS_VBR:
|
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case NV_ENC_PARAMS_RC_VBR:
|
|
if (avctx->qmin < 0 && avctx->qmax < 0) {
|
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av_log(avctx, AV_LOG_WARNING,
|
|
"The variable bitrate rate-control requires "
|
|
"the 'qmin' and/or 'qmax' option set.\n");
|
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return;
|
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}
|
|
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 & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
|
|
h264->repeatSPSPPS = (avctx->flags & AV_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 & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
|
|
hevc->repeatSPSPPS = (avctx->flags & AV_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 };
|
|
AVCPBProperties *cpb_props;
|
|
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)
|
|
return nvenc_print_error(avctx, ret, "Cannot get the preset configuration");
|
|
|
|
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 & AV_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)
|
|
return nvenc_print_error(avctx, ret, "Cannot initialize the decoder");
|
|
|
|
cpb_props = ff_add_cpb_side_data(avctx);
|
|
if (!cpb_props)
|
|
return AVERROR(ENOMEM);
|
|
cpb_props->max_bitrate = avctx->rc_max_rate;
|
|
cpb_props->min_bitrate = avctx->rc_min_rate;
|
|
cpb_props->avg_bitrate = avctx->bit_rate;
|
|
cpb_props->buffer_size = avctx->rc_buffer_size;
|
|
|
|
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)
|
|
return nvenc_print_error(avctx, ret, "CreateInputBuffer failed");
|
|
|
|
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)
|
|
return nvenc_print_error(avctx, ret, "CreateBitstreamBuffer failed");
|
|
|
|
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 + AV_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)
|
|
return nvenc_print_error(avctx, ret, "Cannot get the extradata");
|
|
|
|
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_fifo_free(ctx->timestamps);
|
|
av_fifo_free(ctx->pending);
|
|
av_fifo_free(ctx->ready);
|
|
|
|
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 & AV_CODEC_FLAG_GLOBAL_HEADER) {
|
|
if ((ret = nvenc_setup_extradata(avctx)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
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,
|
|
frame->data[1], frame->linesize[1],
|
|
frame->width, 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)
|
|
return nvenc_print_error(avctx, ret, "Cannot lock the buffer");
|
|
|
|
ret = nvenc_copy_frame(¶ms, frame);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
ret = nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, in->in);
|
|
if (ret != NV_ENC_SUCCESS)
|
|
return nvenc_print_error(avctx, ret, "Cannot unlock the buffer");
|
|
|
|
*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 nvenc_print_error(avctx, ret, "Cannot lock the bitstream");
|
|
|
|
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 nvenc_print_error(avctx, ret, "Cannot unlock the bitstream");
|
|
|
|
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;
|
|
#if FF_API_CODED_FRAME
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
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;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
}
|
|
|
|
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 & AV_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 nvenc_print_error(avctx, ret, "Error encoding the frame");
|
|
|
|
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;
|
|
}
|