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![Andreas Rheinhardt](/assets/img/avatar_default.png)
They do the same. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2515 lines
85 KiB
C
2515 lines
85 KiB
C
/*
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* H.264/HEVC hardware encoding using nvidia nvenc
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* Copyright (c) 2016 Timo Rothenpieler <timo@rothenpieler.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 "nvenc.h"
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#include "hevc_sei.h"
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#include "libavutil/hwcontext_cuda.h"
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#include "libavutil/hwcontext.h"
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#include "libavutil/cuda_check.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/mem.h"
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#include "libavutil/pixdesc.h"
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#include "atsc_a53.h"
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#include "encode.h"
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#include "internal.h"
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#include "packet_internal.h"
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#define CHECK_CU(x) FF_CUDA_CHECK_DL(avctx, dl_fn->cuda_dl, x)
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#define NVENC_CAP 0x30
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#define IS_CBR(rc) (rc == NV_ENC_PARAMS_RC_CBR || \
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rc == NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ || \
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rc == NV_ENC_PARAMS_RC_CBR_HQ)
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const enum AVPixelFormat ff_nvenc_pix_fmts[] = {
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AV_PIX_FMT_YUV420P,
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AV_PIX_FMT_NV12,
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AV_PIX_FMT_P010,
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AV_PIX_FMT_YUV444P,
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AV_PIX_FMT_P016, // Truncated to 10bits
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AV_PIX_FMT_YUV444P16, // Truncated to 10bits
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AV_PIX_FMT_0RGB32,
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AV_PIX_FMT_0BGR32,
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AV_PIX_FMT_GBRP,
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AV_PIX_FMT_GBRP16, // Truncated to 10bits
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AV_PIX_FMT_CUDA,
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#if CONFIG_D3D11VA
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AV_PIX_FMT_D3D11,
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#endif
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AV_PIX_FMT_NONE
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};
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const AVCodecHWConfigInternal *const ff_nvenc_hw_configs[] = {
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HW_CONFIG_ENCODER_FRAMES(CUDA, CUDA),
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HW_CONFIG_ENCODER_DEVICE(NONE, CUDA),
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#if CONFIG_D3D11VA
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HW_CONFIG_ENCODER_FRAMES(D3D11, D3D11VA),
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HW_CONFIG_ENCODER_DEVICE(NONE, D3D11VA),
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#endif
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NULL,
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};
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#define IS_10BIT(pix_fmt) (pix_fmt == AV_PIX_FMT_P010 || \
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pix_fmt == AV_PIX_FMT_P016 || \
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pix_fmt == AV_PIX_FMT_YUV444P16 || \
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pix_fmt == AV_PIX_FMT_GBRP16)
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#define IS_YUV444(pix_fmt) (pix_fmt == AV_PIX_FMT_YUV444P || \
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pix_fmt == AV_PIX_FMT_YUV444P16 || \
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pix_fmt == AV_PIX_FMT_GBRP || \
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pix_fmt == AV_PIX_FMT_GBRP16)
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#define IS_GBRP(pix_fmt) (pix_fmt == AV_PIX_FMT_GBRP || \
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pix_fmt == AV_PIX_FMT_GBRP16)
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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_BUFFER_TOO_SMALL, "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(AVCodecContext *avctx, 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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const char *details = "(no details)";
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int ret = nvenc_map_error(err, &desc);
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#ifdef NVENC_HAVE_GETLASTERRORSTRING
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NvencContext *ctx = avctx->priv_data;
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NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs;
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if (p_nvenc && ctx->nvencoder)
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details = p_nvenc->nvEncGetLastErrorString(ctx->nvencoder);
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#endif
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av_log(avctx, AV_LOG_ERROR, "%s: %s (%d): %s\n", error_string, desc, err, details);
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return ret;
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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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#define PRESET_ALIAS(alias, name, ...) \
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[PRESET_ ## alias] = { NV_ENC_PRESET_ ## name ## _GUID, __VA_ARGS__ }
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#define PRESET(name, ...) PRESET_ALIAS(name, name, __VA_ARGS__)
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static void nvenc_map_preset(NvencContext *ctx)
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{
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GUIDTuple presets[] = {
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#ifdef NVENC_HAVE_NEW_PRESETS
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PRESET(P1),
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PRESET(P2),
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PRESET(P3),
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PRESET(P4),
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PRESET(P5),
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PRESET(P6),
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PRESET(P7),
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PRESET_ALIAS(SLOW, P7, NVENC_TWO_PASSES),
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PRESET_ALIAS(MEDIUM, P4, NVENC_ONE_PASS),
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PRESET_ALIAS(FAST, P1, NVENC_ONE_PASS),
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// Compat aliases
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PRESET_ALIAS(DEFAULT, P4, NVENC_DEPRECATED_PRESET),
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PRESET_ALIAS(HP, P1, NVENC_DEPRECATED_PRESET),
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PRESET_ALIAS(HQ, P7, NVENC_DEPRECATED_PRESET),
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PRESET_ALIAS(BD, P5, NVENC_DEPRECATED_PRESET),
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PRESET_ALIAS(LOW_LATENCY_DEFAULT, P4, NVENC_DEPRECATED_PRESET | NVENC_LOWLATENCY),
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PRESET_ALIAS(LOW_LATENCY_HP, P1, NVENC_DEPRECATED_PRESET | NVENC_LOWLATENCY),
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PRESET_ALIAS(LOW_LATENCY_HQ, P7, NVENC_DEPRECATED_PRESET | NVENC_LOWLATENCY),
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PRESET_ALIAS(LOSSLESS_DEFAULT, P4, NVENC_DEPRECATED_PRESET | NVENC_LOSSLESS),
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PRESET_ALIAS(LOSSLESS_HP, P1, NVENC_DEPRECATED_PRESET | NVENC_LOSSLESS),
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#else
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PRESET(DEFAULT),
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PRESET(HP),
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PRESET(HQ),
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PRESET(BD),
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PRESET_ALIAS(SLOW, HQ, NVENC_TWO_PASSES),
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PRESET_ALIAS(MEDIUM, HQ, NVENC_ONE_PASS),
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PRESET_ALIAS(FAST, HP, NVENC_ONE_PASS),
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PRESET(LOW_LATENCY_DEFAULT, NVENC_LOWLATENCY),
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PRESET(LOW_LATENCY_HP, NVENC_LOWLATENCY),
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PRESET(LOW_LATENCY_HQ, NVENC_LOWLATENCY),
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PRESET(LOSSLESS_DEFAULT, NVENC_LOSSLESS),
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PRESET(LOSSLESS_HP, NVENC_LOSSLESS),
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#endif
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};
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GUIDTuple *t = &presets[ctx->preset];
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ctx->init_encode_params.presetGUID = t->guid;
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ctx->flags = t->flags;
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#ifdef NVENC_HAVE_NEW_PRESETS
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if (ctx->tuning_info == NV_ENC_TUNING_INFO_LOSSLESS)
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ctx->flags |= NVENC_LOSSLESS;
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#endif
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}
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#undef PRESET
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#undef PRESET_ALIAS
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static void nvenc_print_driver_requirement(AVCodecContext *avctx, int level)
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{
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#if NVENCAPI_CHECK_VERSION(11, 2)
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const char *minver = "(unknown)";
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#elif NVENCAPI_CHECK_VERSION(11, 1)
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "471.41";
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# else
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const char *minver = "470.57.02";
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# endif
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#elif NVENCAPI_CHECK_VERSION(11, 0)
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "456.71";
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# else
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const char *minver = "455.28";
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# endif
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#elif NVENCAPI_CHECK_VERSION(10, 0)
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "450.51";
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# else
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const char *minver = "445.87";
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# endif
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#elif NVENCAPI_CHECK_VERSION(9, 1)
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "436.15";
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# else
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const char *minver = "435.21";
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# endif
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#elif NVENCAPI_CHECK_VERSION(9, 0)
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "418.81";
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# else
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const char *minver = "418.30";
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# endif
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#elif NVENCAPI_CHECK_VERSION(8, 2)
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "397.93";
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# else
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const char *minver = "396.24";
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#endif
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#elif NVENCAPI_CHECK_VERSION(8, 1)
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "390.77";
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# else
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const char *minver = "390.25";
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# endif
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#else
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# if defined(_WIN32) || defined(__CYGWIN__)
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const char *minver = "378.66";
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# else
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const char *minver = "378.13";
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# endif
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#endif
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av_log(avctx, level, "The minimum required Nvidia driver for nvenc is %s or newer\n", minver);
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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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NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
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NVENCSTATUS err;
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uint32_t nvenc_max_ver;
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int ret;
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ret = cuda_load_functions(&dl_fn->cuda_dl, avctx);
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if (ret < 0)
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return ret;
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ret = nvenc_load_functions(&dl_fn->nvenc_dl, avctx);
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if (ret < 0) {
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nvenc_print_driver_requirement(avctx, AV_LOG_ERROR);
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return ret;
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}
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err = dl_fn->nvenc_dl->NvEncodeAPIGetMaxSupportedVersion(&nvenc_max_ver);
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if (err != NV_ENC_SUCCESS)
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return nvenc_print_error(avctx, err, "Failed to query nvenc max version");
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av_log(avctx, AV_LOG_VERBOSE, "Loaded Nvenc version %d.%d\n", nvenc_max_ver >> 4, nvenc_max_ver & 0xf);
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if ((NVENCAPI_MAJOR_VERSION << 4 | NVENCAPI_MINOR_VERSION) > nvenc_max_ver) {
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av_log(avctx, AV_LOG_ERROR, "Driver does not support the required nvenc API version. "
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"Required: %d.%d Found: %d.%d\n",
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NVENCAPI_MAJOR_VERSION, NVENCAPI_MINOR_VERSION,
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nvenc_max_ver >> 4, nvenc_max_ver & 0xf);
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nvenc_print_driver_requirement(avctx, AV_LOG_ERROR);
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return AVERROR(ENOSYS);
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}
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dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
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err = dl_fn->nvenc_dl->NvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
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if (err != NV_ENC_SUCCESS)
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return nvenc_print_error(avctx, err, "Failed to create nvenc instance");
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av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
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return 0;
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}
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static int nvenc_push_context(AVCodecContext *avctx)
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{
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NvencContext *ctx = avctx->priv_data;
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NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
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if (ctx->d3d11_device)
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return 0;
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return CHECK_CU(dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context));
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}
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static int nvenc_pop_context(AVCodecContext *avctx)
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{
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NvencContext *ctx = avctx->priv_data;
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NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
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CUcontext dummy;
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if (ctx->d3d11_device)
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return 0;
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return CHECK_CU(dl_fn->cuda_dl->cuCtxPopCurrent(&dummy));
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}
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static av_cold 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 *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs;
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NVENCSTATUS 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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if (ctx->d3d11_device) {
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params.device = ctx->d3d11_device;
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params.deviceType = NV_ENC_DEVICE_TYPE_DIRECTX;
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} else {
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params.device = ctx->cu_context;
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params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
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}
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ret = p_nvenc->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvencoder);
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if (ret != NV_ENC_SUCCESS) {
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ctx->nvencoder = NULL;
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return nvenc_print_error(avctx, ret, "OpenEncodeSessionEx failed");
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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 *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs;
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int i, ret, count = 0;
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GUID *guids = NULL;
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ret = p_nvenc->nvEncGetEncodeGUIDCount(ctx->nvencoder, &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 = p_nvenc->nvEncGetEncodeGUIDs(ctx->nvencoder, 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->init_encode_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 *p_nvenc = &ctx->nvenc_dload_funcs.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 = p_nvenc->nvEncGetEncodeCaps(ctx->nvencoder, ctx->init_encode_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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NvencContext *ctx = avctx->priv_data;
|
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int ret;
|
|
|
|
ret = nvenc_check_codec_support(avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Codec not supported\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_YUV444_ENCODE);
|
|
if (IS_YUV444(ctx->data_pix_fmt) && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "YUV444P not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_LOSSLESS_ENCODE);
|
|
if (ctx->flags & NVENC_LOSSLESS && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Lossless encoding not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_WIDTH_MAX);
|
|
if (ret < avctx->width) {
|
|
av_log(avctx, AV_LOG_WARNING, "Width %d exceeds %d\n",
|
|
avctx->width, ret);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_HEIGHT_MAX);
|
|
if (ret < avctx->height) {
|
|
av_log(avctx, AV_LOG_WARNING, "Height %d exceeds %d\n",
|
|
avctx->height, ret);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_NUM_MAX_BFRAMES);
|
|
if (ret < avctx->max_b_frames) {
|
|
av_log(avctx, AV_LOG_WARNING, "Max B-frames %d exceed %d\n",
|
|
avctx->max_b_frames, ret);
|
|
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_FIELD_ENCODING);
|
|
if (ret < 1 && avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"Interlaced encoding is not supported. Supported level: %d\n",
|
|
ret);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_10BIT_ENCODE);
|
|
if (IS_10BIT(ctx->data_pix_fmt) && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "10 bit encode not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_LOOKAHEAD);
|
|
if (ctx->rc_lookahead > 0 && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "RC lookahead not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_TEMPORAL_AQ);
|
|
if (ctx->temporal_aq > 0 && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Temporal AQ not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_WEIGHTED_PREDICTION);
|
|
if (ctx->weighted_pred > 0 && ret <= 0) {
|
|
av_log (avctx, AV_LOG_WARNING, "Weighted Prediction not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_CABAC);
|
|
if (ctx->coder == NV_ENC_H264_ENTROPY_CODING_MODE_CABAC && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "CABAC entropy coding not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
#ifdef NVENC_HAVE_BFRAME_REF_MODE
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_BFRAME_REF_MODE);
|
|
if (ctx->b_ref_mode == NV_ENC_BFRAME_REF_MODE_EACH && ret != 1 && ret != 3) {
|
|
av_log(avctx, AV_LOG_WARNING, "Each B frame as reference is not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
} else if (ctx->b_ref_mode != NV_ENC_BFRAME_REF_MODE_DISABLED && ret == 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "B frames as references are not supported\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
#else
|
|
if (ctx->b_ref_mode != 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "B frames as references need SDK 8.1 at build time\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
#endif
|
|
|
|
#ifdef NVENC_HAVE_MULTIPLE_REF_FRAMES
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_MULTIPLE_REF_FRAMES);
|
|
if(avctx->refs != NV_ENC_NUM_REF_FRAMES_AUTOSELECT && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Multiple reference frames are not supported by the device\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
#else
|
|
if(avctx->refs != 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Multiple reference frames need SDK 9.1 at build time\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
#endif
|
|
|
|
#ifdef NVENC_HAVE_SINGLE_SLICE_INTRA_REFRESH
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SINGLE_SLICE_INTRA_REFRESH);
|
|
if(ctx->single_slice_intra_refresh && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Single slice intra refresh not supported by the device\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
#else
|
|
if(ctx->single_slice_intra_refresh) {
|
|
av_log(avctx, AV_LOG_WARNING, "Single slice intra refresh needs SDK 11.1 at build time\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
#endif
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_INTRA_REFRESH);
|
|
if((ctx->intra_refresh || ctx->single_slice_intra_refresh) && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Intra refresh not supported by the device\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
#ifndef NVENC_HAVE_HEVC_CONSTRAINED_ENCODING
|
|
if (ctx->constrained_encoding && avctx->codec->id == AV_CODEC_ID_HEVC) {
|
|
av_log(avctx, AV_LOG_WARNING, "HEVC constrained encoding needs SDK 10.0 at build time\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
#endif
|
|
|
|
ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_CONSTRAINED_ENCODING);
|
|
if(ctx->constrained_encoding && ret <= 0) {
|
|
av_log(avctx, AV_LOG_WARNING, "Constrained encoding not supported by the device\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
ctx->support_dyn_bitrate = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_DYN_BITRATE_CHANGE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int nvenc_check_device(AVCodecContext *avctx, int idx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
|
|
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
|
|
char name[128] = { 0};
|
|
int major, minor, ret;
|
|
CUdevice cu_device;
|
|
int loglevel = AV_LOG_VERBOSE;
|
|
|
|
if (ctx->device == LIST_DEVICES)
|
|
loglevel = AV_LOG_INFO;
|
|
|
|
ret = CHECK_CU(dl_fn->cuda_dl->cuDeviceGet(&cu_device, idx));
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = CHECK_CU(dl_fn->cuda_dl->cuDeviceGetName(name, sizeof(name), cu_device));
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = CHECK_CU(dl_fn->cuda_dl->cuDeviceComputeCapability(&major, &minor, cu_device));
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
av_log(avctx, loglevel, "[ GPU #%d - < %s > has Compute SM %d.%d ]\n", idx, name, major, minor);
|
|
if (((major << 4) | minor) < NVENC_CAP) {
|
|
av_log(avctx, loglevel, "does not support NVENC\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (ctx->device != idx && ctx->device != ANY_DEVICE)
|
|
return -1;
|
|
|
|
ret = CHECK_CU(dl_fn->cuda_dl->cuCtxCreate(&ctx->cu_context_internal, 0, cu_device));
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
ctx->cu_context = ctx->cu_context_internal;
|
|
ctx->cu_stream = NULL;
|
|
|
|
if ((ret = nvenc_pop_context(avctx)) < 0)
|
|
goto fail2;
|
|
|
|
if ((ret = nvenc_open_session(avctx)) < 0)
|
|
goto fail2;
|
|
|
|
if ((ret = nvenc_check_capabilities(avctx)) < 0)
|
|
goto fail3;
|
|
|
|
av_log(avctx, loglevel, "supports NVENC\n");
|
|
|
|
dl_fn->nvenc_device_count++;
|
|
|
|
if (ctx->device == idx || ctx->device == ANY_DEVICE)
|
|
return 0;
|
|
|
|
fail3:
|
|
if ((ret = nvenc_push_context(avctx)) < 0)
|
|
return ret;
|
|
|
|
p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
|
|
ctx->nvencoder = NULL;
|
|
|
|
if ((ret = nvenc_pop_context(avctx)) < 0)
|
|
return ret;
|
|
|
|
fail2:
|
|
CHECK_CU(dl_fn->cuda_dl->cuCtxDestroy(ctx->cu_context_internal));
|
|
ctx->cu_context_internal = NULL;
|
|
|
|
fail:
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
static av_cold int nvenc_setup_device(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
|
|
|
|
switch (avctx->codec->id) {
|
|
case AV_CODEC_ID_H264:
|
|
ctx->init_encode_params.encodeGUID = NV_ENC_CODEC_H264_GUID;
|
|
break;
|
|
case AV_CODEC_ID_HEVC:
|
|
ctx->init_encode_params.encodeGUID = NV_ENC_CODEC_HEVC_GUID;
|
|
break;
|
|
default:
|
|
return AVERROR_BUG;
|
|
}
|
|
|
|
nvenc_map_preset(ctx);
|
|
|
|
if (ctx->flags & NVENC_DEPRECATED_PRESET)
|
|
av_log(avctx, AV_LOG_WARNING, "The selected preset is deprecated. Use p1 to p7 + -tune or fast/medium/slow.\n");
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11 || avctx->hw_frames_ctx || avctx->hw_device_ctx) {
|
|
AVHWFramesContext *frames_ctx;
|
|
AVHWDeviceContext *hwdev_ctx;
|
|
AVCUDADeviceContext *cuda_device_hwctx = NULL;
|
|
#if CONFIG_D3D11VA
|
|
AVD3D11VADeviceContext *d3d11_device_hwctx = NULL;
|
|
#endif
|
|
int ret;
|
|
|
|
if (avctx->hw_frames_ctx) {
|
|
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
|
|
if (frames_ctx->format == AV_PIX_FMT_CUDA)
|
|
cuda_device_hwctx = frames_ctx->device_ctx->hwctx;
|
|
#if CONFIG_D3D11VA
|
|
else if (frames_ctx->format == AV_PIX_FMT_D3D11)
|
|
d3d11_device_hwctx = frames_ctx->device_ctx->hwctx;
|
|
#endif
|
|
else
|
|
return AVERROR(EINVAL);
|
|
} else if (avctx->hw_device_ctx) {
|
|
hwdev_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
|
|
if (hwdev_ctx->type == AV_HWDEVICE_TYPE_CUDA)
|
|
cuda_device_hwctx = hwdev_ctx->hwctx;
|
|
#if CONFIG_D3D11VA
|
|
else if (hwdev_ctx->type == AV_HWDEVICE_TYPE_D3D11VA)
|
|
d3d11_device_hwctx = hwdev_ctx->hwctx;
|
|
#endif
|
|
else
|
|
return AVERROR(EINVAL);
|
|
} else {
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (cuda_device_hwctx) {
|
|
ctx->cu_context = cuda_device_hwctx->cuda_ctx;
|
|
ctx->cu_stream = cuda_device_hwctx->stream;
|
|
}
|
|
#if CONFIG_D3D11VA
|
|
else if (d3d11_device_hwctx) {
|
|
ctx->d3d11_device = d3d11_device_hwctx->device;
|
|
ID3D11Device_AddRef(ctx->d3d11_device);
|
|
}
|
|
#endif
|
|
|
|
ret = nvenc_open_session(avctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = nvenc_check_capabilities(avctx);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_FATAL, "Provided device doesn't support required NVENC features\n");
|
|
return ret;
|
|
}
|
|
} else {
|
|
int i, nb_devices = 0;
|
|
|
|
if (CHECK_CU(dl_fn->cuda_dl->cuInit(0)) < 0)
|
|
return AVERROR_UNKNOWN;
|
|
|
|
if (CHECK_CU(dl_fn->cuda_dl->cuDeviceGetCount(&nb_devices)) < 0)
|
|
return AVERROR_UNKNOWN;
|
|
|
|
if (!nb_devices) {
|
|
av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", nb_devices);
|
|
|
|
dl_fn->nvenc_device_count = 0;
|
|
for (i = 0; i < nb_devices; ++i) {
|
|
if ((nvenc_check_device(avctx, i)) >= 0 && ctx->device != LIST_DEVICES)
|
|
return 0;
|
|
}
|
|
|
|
if (ctx->device == LIST_DEVICES)
|
|
return AVERROR_EXIT;
|
|
|
|
if (!dl_fn->nvenc_device_count) {
|
|
av_log(avctx, AV_LOG_FATAL, "No capable devices found\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->device, nb_devices);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold void set_constqp(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams;
|
|
|
|
rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
|
|
|
|
if (ctx->init_qp_p >= 0) {
|
|
rc->constQP.qpInterP = ctx->init_qp_p;
|
|
if (ctx->init_qp_i >= 0 && ctx->init_qp_b >= 0) {
|
|
rc->constQP.qpIntra = ctx->init_qp_i;
|
|
rc->constQP.qpInterB = ctx->init_qp_b;
|
|
} else if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
|
|
rc->constQP.qpIntra = av_clip(
|
|
rc->constQP.qpInterP * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
|
|
rc->constQP.qpInterB = av_clip(
|
|
rc->constQP.qpInterP * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
|
|
} else {
|
|
rc->constQP.qpIntra = rc->constQP.qpInterP;
|
|
rc->constQP.qpInterB = rc->constQP.qpInterP;
|
|
}
|
|
} else if (ctx->cqp >= 0) {
|
|
rc->constQP.qpInterP = rc->constQP.qpInterB = rc->constQP.qpIntra = ctx->cqp;
|
|
if (avctx->b_quant_factor != 0.0)
|
|
rc->constQP.qpInterB = av_clip(ctx->cqp * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
|
|
if (avctx->i_quant_factor != 0.0)
|
|
rc->constQP.qpIntra = av_clip(ctx->cqp * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
|
|
}
|
|
|
|
avctx->qmin = -1;
|
|
avctx->qmax = -1;
|
|
}
|
|
|
|
static av_cold void set_vbr(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams;
|
|
int qp_inter_p;
|
|
|
|
if (avctx->qmin >= 0 && avctx->qmax >= 0) {
|
|
rc->enableMinQP = 1;
|
|
rc->enableMaxQP = 1;
|
|
|
|
rc->minQP.qpInterB = avctx->qmin;
|
|
rc->minQP.qpInterP = avctx->qmin;
|
|
rc->minQP.qpIntra = avctx->qmin;
|
|
|
|
rc->maxQP.qpInterB = avctx->qmax;
|
|
rc->maxQP.qpInterP = avctx->qmax;
|
|
rc->maxQP.qpIntra = avctx->qmax;
|
|
|
|
qp_inter_p = (avctx->qmax + 3 * avctx->qmin) / 4; // biased towards Qmin
|
|
} else if (avctx->qmin >= 0) {
|
|
rc->enableMinQP = 1;
|
|
|
|
rc->minQP.qpInterB = avctx->qmin;
|
|
rc->minQP.qpInterP = avctx->qmin;
|
|
rc->minQP.qpIntra = avctx->qmin;
|
|
|
|
qp_inter_p = avctx->qmin;
|
|
} else {
|
|
qp_inter_p = 26; // default to 26
|
|
}
|
|
|
|
rc->enableInitialRCQP = 1;
|
|
|
|
if (ctx->init_qp_p < 0) {
|
|
rc->initialRCQP.qpInterP = qp_inter_p;
|
|
} else {
|
|
rc->initialRCQP.qpInterP = ctx->init_qp_p;
|
|
}
|
|
|
|
if (ctx->init_qp_i < 0) {
|
|
if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
|
|
rc->initialRCQP.qpIntra = av_clip(
|
|
rc->initialRCQP.qpInterP * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
|
|
} else {
|
|
rc->initialRCQP.qpIntra = rc->initialRCQP.qpInterP;
|
|
}
|
|
} else {
|
|
rc->initialRCQP.qpIntra = ctx->init_qp_i;
|
|
}
|
|
|
|
if (ctx->init_qp_b < 0) {
|
|
if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
|
|
rc->initialRCQP.qpInterB = av_clip(
|
|
rc->initialRCQP.qpInterP * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
|
|
} else {
|
|
rc->initialRCQP.qpInterB = rc->initialRCQP.qpInterP;
|
|
}
|
|
} else {
|
|
rc->initialRCQP.qpInterB = ctx->init_qp_b;
|
|
}
|
|
}
|
|
|
|
static av_cold void set_lossless(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams;
|
|
|
|
rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
|
|
rc->constQP.qpInterB = 0;
|
|
rc->constQP.qpInterP = 0;
|
|
rc->constQP.qpIntra = 0;
|
|
|
|
avctx->qmin = -1;
|
|
avctx->qmax = -1;
|
|
}
|
|
|
|
static void nvenc_override_rate_control(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams;
|
|
|
|
switch (ctx->rc) {
|
|
case NV_ENC_PARAMS_RC_CONSTQP:
|
|
set_constqp(avctx);
|
|
return;
|
|
case NV_ENC_PARAMS_RC_VBR_MINQP:
|
|
if (avctx->qmin < 0) {
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"The variable bitrate rate-control requires "
|
|
"the 'qmin' option set.\n");
|
|
set_vbr(avctx);
|
|
return;
|
|
}
|
|
/* fall through */
|
|
case NV_ENC_PARAMS_RC_VBR_HQ:
|
|
case NV_ENC_PARAMS_RC_VBR:
|
|
set_vbr(avctx);
|
|
break;
|
|
case NV_ENC_PARAMS_RC_CBR:
|
|
case NV_ENC_PARAMS_RC_CBR_HQ:
|
|
case NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ:
|
|
break;
|
|
}
|
|
|
|
rc->rateControlMode = ctx->rc;
|
|
}
|
|
|
|
static av_cold int nvenc_recalc_surfaces(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
// default minimum of 4 surfaces
|
|
// multiply by 2 for number of NVENCs on gpu (hardcode to 2)
|
|
// another multiply by 2 to avoid blocking next PBB group
|
|
int nb_surfaces = FFMAX(4, ctx->encode_config.frameIntervalP * 2 * 2);
|
|
|
|
// lookahead enabled
|
|
if (ctx->rc_lookahead > 0) {
|
|
// +1 is to account for lkd_bound calculation later
|
|
// +4 is to allow sufficient pipelining with lookahead
|
|
nb_surfaces = FFMAX(1, FFMAX(nb_surfaces, ctx->rc_lookahead + ctx->encode_config.frameIntervalP + 1 + 4));
|
|
if (nb_surfaces > ctx->nb_surfaces && ctx->nb_surfaces > 0)
|
|
{
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"Defined rc_lookahead requires more surfaces, "
|
|
"increasing used surfaces %d -> %d\n", ctx->nb_surfaces, nb_surfaces);
|
|
}
|
|
ctx->nb_surfaces = FFMAX(nb_surfaces, ctx->nb_surfaces);
|
|
} else {
|
|
if (ctx->encode_config.frameIntervalP > 1 && ctx->nb_surfaces < nb_surfaces && ctx->nb_surfaces > 0)
|
|
{
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"Defined b-frame requires more surfaces, "
|
|
"increasing used surfaces %d -> %d\n", ctx->nb_surfaces, nb_surfaces);
|
|
ctx->nb_surfaces = FFMAX(ctx->nb_surfaces, nb_surfaces);
|
|
}
|
|
else if (ctx->nb_surfaces <= 0)
|
|
ctx->nb_surfaces = nb_surfaces;
|
|
// otherwise use user specified value
|
|
}
|
|
|
|
ctx->nb_surfaces = FFMAX(1, FFMIN(MAX_REGISTERED_FRAMES, ctx->nb_surfaces));
|
|
ctx->async_depth = FFMIN(ctx->async_depth, ctx->nb_surfaces - 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
|
|
if (avctx->global_quality > 0)
|
|
av_log(avctx, AV_LOG_WARNING, "Using global_quality with nvenc is deprecated. Use qp instead.\n");
|
|
|
|
if (ctx->cqp < 0 && avctx->global_quality > 0)
|
|
ctx->cqp = avctx->global_quality;
|
|
|
|
if (avctx->bit_rate > 0) {
|
|
ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate;
|
|
} else if (ctx->encode_config.rcParams.averageBitRate > 0) {
|
|
ctx->encode_config.rcParams.maxBitRate = ctx->encode_config.rcParams.averageBitRate;
|
|
}
|
|
|
|
if (avctx->rc_max_rate > 0)
|
|
ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
|
|
|
|
#ifdef NVENC_HAVE_MULTIPASS
|
|
ctx->encode_config.rcParams.multiPass = ctx->multipass;
|
|
|
|
if (ctx->flags & NVENC_ONE_PASS)
|
|
ctx->encode_config.rcParams.multiPass = NV_ENC_MULTI_PASS_DISABLED;
|
|
if (ctx->flags & NVENC_TWO_PASSES || ctx->twopass > 0)
|
|
ctx->encode_config.rcParams.multiPass = NV_ENC_TWO_PASS_FULL_RESOLUTION;
|
|
|
|
if (ctx->rc < 0) {
|
|
if (ctx->cbr) {
|
|
ctx->rc = NV_ENC_PARAMS_RC_CBR;
|
|
} else if (ctx->cqp >= 0) {
|
|
ctx->rc = NV_ENC_PARAMS_RC_CONSTQP;
|
|
} else if (ctx->quality >= 0.0f) {
|
|
ctx->rc = NV_ENC_PARAMS_RC_VBR;
|
|
}
|
|
}
|
|
#else
|
|
if (ctx->rc < 0) {
|
|
if (ctx->flags & NVENC_ONE_PASS)
|
|
ctx->twopass = 0;
|
|
if (ctx->flags & NVENC_TWO_PASSES)
|
|
ctx->twopass = 1;
|
|
|
|
if (ctx->twopass < 0)
|
|
ctx->twopass = (ctx->flags & NVENC_LOWLATENCY) != 0;
|
|
|
|
if (ctx->cbr) {
|
|
if (ctx->twopass) {
|
|
ctx->rc = NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ;
|
|
} else {
|
|
ctx->rc = NV_ENC_PARAMS_RC_CBR;
|
|
}
|
|
} else if (ctx->cqp >= 0) {
|
|
ctx->rc = NV_ENC_PARAMS_RC_CONSTQP;
|
|
} else if (ctx->twopass) {
|
|
ctx->rc = NV_ENC_PARAMS_RC_VBR_HQ;
|
|
} else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
|
|
ctx->rc = NV_ENC_PARAMS_RC_VBR_MINQP;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (ctx->rc >= 0 && ctx->rc & RC_MODE_DEPRECATED) {
|
|
av_log(avctx, AV_LOG_WARNING, "Specified rc mode is deprecated.\n");
|
|
av_log(avctx, AV_LOG_WARNING, "Use -rc constqp/cbr/vbr, -tune and -multipass instead.\n");
|
|
|
|
ctx->rc &= ~RC_MODE_DEPRECATED;
|
|
}
|
|
|
|
#ifdef NVENC_HAVE_QP_CHROMA_OFFSETS
|
|
ctx->encode_config.rcParams.cbQPIndexOffset = ctx->qp_cb_offset;
|
|
ctx->encode_config.rcParams.crQPIndexOffset = ctx->qp_cr_offset;
|
|
#else
|
|
if (ctx->qp_cb_offset || ctx->qp_cr_offset)
|
|
av_log(avctx, AV_LOG_WARNING, "Failed setting QP CB/CR offsets, SDK 11.1 or greater required at compile time.\n");
|
|
#endif
|
|
|
|
#ifdef NVENC_HAVE_LDKFS
|
|
if (ctx->ldkfs)
|
|
ctx->encode_config.rcParams.lowDelayKeyFrameScale = ctx->ldkfs;
|
|
#endif
|
|
|
|
if (ctx->flags & NVENC_LOSSLESS) {
|
|
set_lossless(avctx);
|
|
} else if (ctx->rc >= 0) {
|
|
nvenc_override_rate_control(avctx);
|
|
} else {
|
|
ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
|
|
set_vbr(avctx);
|
|
}
|
|
|
|
if (avctx->rc_buffer_size > 0) {
|
|
ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size;
|
|
} else if (ctx->encode_config.rcParams.averageBitRate > 0) {
|
|
avctx->rc_buffer_size = ctx->encode_config.rcParams.vbvBufferSize = 2 * ctx->encode_config.rcParams.averageBitRate;
|
|
}
|
|
|
|
if (ctx->aq) {
|
|
ctx->encode_config.rcParams.enableAQ = 1;
|
|
ctx->encode_config.rcParams.aqStrength = ctx->aq_strength;
|
|
av_log(avctx, AV_LOG_VERBOSE, "AQ enabled.\n");
|
|
}
|
|
|
|
if (ctx->temporal_aq) {
|
|
ctx->encode_config.rcParams.enableTemporalAQ = 1;
|
|
av_log(avctx, AV_LOG_VERBOSE, "Temporal AQ enabled.\n");
|
|
}
|
|
|
|
if (ctx->rc_lookahead > 0) {
|
|
int lkd_bound = FFMIN(ctx->nb_surfaces, ctx->async_depth) -
|
|
ctx->encode_config.frameIntervalP - 4;
|
|
|
|
if (lkd_bound < 0) {
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"Lookahead not enabled. Increase buffer delay (-delay).\n");
|
|
} else {
|
|
ctx->encode_config.rcParams.enableLookahead = 1;
|
|
ctx->encode_config.rcParams.lookaheadDepth = av_clip(ctx->rc_lookahead, 0, lkd_bound);
|
|
ctx->encode_config.rcParams.disableIadapt = ctx->no_scenecut;
|
|
ctx->encode_config.rcParams.disableBadapt = !ctx->b_adapt;
|
|
av_log(avctx, AV_LOG_VERBOSE,
|
|
"Lookahead enabled: depth %d, scenecut %s, B-adapt %s.\n",
|
|
ctx->encode_config.rcParams.lookaheadDepth,
|
|
ctx->encode_config.rcParams.disableIadapt ? "disabled" : "enabled",
|
|
ctx->encode_config.rcParams.disableBadapt ? "disabled" : "enabled");
|
|
}
|
|
}
|
|
|
|
if (ctx->strict_gop) {
|
|
ctx->encode_config.rcParams.strictGOPTarget = 1;
|
|
av_log(avctx, AV_LOG_VERBOSE, "Strict GOP target enabled.\n");
|
|
}
|
|
|
|
if (ctx->nonref_p)
|
|
ctx->encode_config.rcParams.enableNonRefP = 1;
|
|
|
|
if (ctx->zerolatency)
|
|
ctx->encode_config.rcParams.zeroReorderDelay = 1;
|
|
|
|
if (ctx->quality) {
|
|
//convert from float to fixed point 8.8
|
|
int tmp_quality = (int)(ctx->quality * 256.0f);
|
|
ctx->encode_config.rcParams.targetQuality = (uint8_t)(tmp_quality >> 8);
|
|
ctx->encode_config.rcParams.targetQualityLSB = (uint8_t)(tmp_quality & 0xff);
|
|
|
|
av_log(avctx, AV_LOG_VERBOSE, "CQ(%d) mode enabled.\n", tmp_quality);
|
|
|
|
//CQ mode shall discard avg bitrate & honor max bitrate;
|
|
ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate = 0;
|
|
ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
|
|
}
|
|
}
|
|
|
|
static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NV_ENC_CONFIG *cc = &ctx->encode_config;
|
|
NV_ENC_CONFIG_H264 *h264 = &cc->encodeCodecConfig.h264Config;
|
|
NV_ENC_CONFIG_H264_VUI_PARAMETERS *vui = &h264->h264VUIParameters;
|
|
|
|
vui->colourMatrix = IS_GBRP(ctx->data_pix_fmt) ? AVCOL_SPC_RGB : avctx->colorspace;
|
|
vui->colourPrimaries = avctx->color_primaries;
|
|
vui->transferCharacteristics = avctx->color_trc;
|
|
vui->videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG
|
|
|| ctx->data_pix_fmt == AV_PIX_FMT_YUVJ420P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ422P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ444P);
|
|
|
|
vui->colourDescriptionPresentFlag =
|
|
(vui->colourMatrix != 2 || vui->colourPrimaries != 2 || vui->transferCharacteristics != 2);
|
|
|
|
vui->videoSignalTypePresentFlag =
|
|
(vui->colourDescriptionPresentFlag
|
|
|| vui->videoFormat != 5
|
|
|| vui->videoFullRangeFlag != 0);
|
|
|
|
h264->sliceMode = 3;
|
|
h264->sliceModeData = avctx->slices > 0 ? avctx->slices : 1;
|
|
|
|
if (ctx->intra_refresh) {
|
|
h264->enableIntraRefresh = 1;
|
|
h264->intraRefreshPeriod = avctx->gop_size;
|
|
h264->intraRefreshCnt = avctx->gop_size - 1;
|
|
#ifdef NVENC_HAVE_SINGLE_SLICE_INTRA_REFRESH
|
|
h264->singleSliceIntraRefresh = ctx->single_slice_intra_refresh;
|
|
#endif
|
|
}
|
|
|
|
if (ctx->constrained_encoding)
|
|
h264->enableConstrainedEncoding = 1;
|
|
|
|
h264->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
|
|
h264->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
|
|
h264->outputAUD = ctx->aud;
|
|
|
|
if (ctx->dpb_size >= 0) {
|
|
/* 0 means "let the hardware decide" */
|
|
h264->maxNumRefFrames = ctx->dpb_size;
|
|
}
|
|
|
|
if (ctx->intra_refresh) {
|
|
h264->idrPeriod = NVENC_INFINITE_GOPLENGTH;
|
|
} else if (avctx->gop_size >= 0) {
|
|
h264->idrPeriod = avctx->gop_size;
|
|
}
|
|
|
|
if (IS_CBR(cc->rcParams.rateControlMode)) {
|
|
h264->outputBufferingPeriodSEI = 1;
|
|
}
|
|
|
|
h264->outputPictureTimingSEI = 1;
|
|
|
|
if (cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ ||
|
|
cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR_HQ ||
|
|
cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_VBR_HQ) {
|
|
h264->adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
|
|
h264->fmoMode = NV_ENC_H264_FMO_DISABLE;
|
|
}
|
|
|
|
if (ctx->flags & NVENC_LOSSLESS) {
|
|
h264->qpPrimeYZeroTransformBypassFlag = 1;
|
|
} else {
|
|
switch(ctx->profile) {
|
|
case NV_ENC_H264_PROFILE_BASELINE:
|
|
cc->profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
|
|
avctx->profile = FF_PROFILE_H264_BASELINE;
|
|
break;
|
|
case NV_ENC_H264_PROFILE_MAIN:
|
|
cc->profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
|
|
avctx->profile = FF_PROFILE_H264_MAIN;
|
|
break;
|
|
case NV_ENC_H264_PROFILE_HIGH:
|
|
cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
|
|
avctx->profile = FF_PROFILE_H264_HIGH;
|
|
break;
|
|
case NV_ENC_H264_PROFILE_HIGH_444P:
|
|
cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
|
|
avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// force setting profile as high444p if input is AV_PIX_FMT_YUV444P
|
|
if (IS_YUV444(ctx->data_pix_fmt)) {
|
|
cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
|
|
avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE;
|
|
}
|
|
|
|
h264->chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1;
|
|
|
|
h264->level = ctx->level;
|
|
|
|
if (ctx->coder >= 0)
|
|
h264->entropyCodingMode = ctx->coder;
|
|
|
|
#ifdef NVENC_HAVE_BFRAME_REF_MODE
|
|
h264->useBFramesAsRef = ctx->b_ref_mode;
|
|
#endif
|
|
|
|
#ifdef NVENC_HAVE_MULTIPLE_REF_FRAMES
|
|
h264->numRefL0 = avctx->refs;
|
|
h264->numRefL1 = avctx->refs;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NV_ENC_CONFIG *cc = &ctx->encode_config;
|
|
NV_ENC_CONFIG_HEVC *hevc = &cc->encodeCodecConfig.hevcConfig;
|
|
NV_ENC_CONFIG_HEVC_VUI_PARAMETERS *vui = &hevc->hevcVUIParameters;
|
|
|
|
vui->colourMatrix = IS_GBRP(ctx->data_pix_fmt) ? AVCOL_SPC_RGB : avctx->colorspace;
|
|
vui->colourPrimaries = avctx->color_primaries;
|
|
vui->transferCharacteristics = avctx->color_trc;
|
|
vui->videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG
|
|
|| ctx->data_pix_fmt == AV_PIX_FMT_YUVJ420P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ422P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ444P);
|
|
|
|
vui->colourDescriptionPresentFlag =
|
|
(vui->colourMatrix != 2 || vui->colourPrimaries != 2 || vui->transferCharacteristics != 2);
|
|
|
|
vui->videoSignalTypePresentFlag =
|
|
(vui->colourDescriptionPresentFlag
|
|
|| vui->videoFormat != 5
|
|
|| vui->videoFullRangeFlag != 0);
|
|
|
|
hevc->sliceMode = 3;
|
|
hevc->sliceModeData = avctx->slices > 0 ? avctx->slices : 1;
|
|
|
|
if (ctx->intra_refresh) {
|
|
hevc->enableIntraRefresh = 1;
|
|
hevc->intraRefreshPeriod = avctx->gop_size;
|
|
hevc->intraRefreshCnt = avctx->gop_size - 1;
|
|
#ifdef NVENC_HAVE_SINGLE_SLICE_INTRA_REFRESH
|
|
hevc->singleSliceIntraRefresh = ctx->single_slice_intra_refresh;
|
|
#endif
|
|
}
|
|
|
|
#ifdef NVENC_HAVE_HEVC_CONSTRAINED_ENCODING
|
|
if (ctx->constrained_encoding)
|
|
hevc->enableConstrainedEncoding = 1;
|
|
#endif
|
|
|
|
hevc->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
|
|
hevc->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
|
|
hevc->outputAUD = ctx->aud;
|
|
|
|
if (ctx->dpb_size >= 0) {
|
|
/* 0 means "let the hardware decide" */
|
|
hevc->maxNumRefFramesInDPB = ctx->dpb_size;
|
|
}
|
|
|
|
if (ctx->intra_refresh) {
|
|
hevc->idrPeriod = NVENC_INFINITE_GOPLENGTH;
|
|
} else if (avctx->gop_size >= 0) {
|
|
hevc->idrPeriod = avctx->gop_size;
|
|
}
|
|
|
|
if (IS_CBR(cc->rcParams.rateControlMode)) {
|
|
hevc->outputBufferingPeriodSEI = 1;
|
|
}
|
|
|
|
hevc->outputPictureTimingSEI = 1;
|
|
|
|
switch (ctx->profile) {
|
|
case NV_ENC_HEVC_PROFILE_MAIN:
|
|
cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
|
|
avctx->profile = FF_PROFILE_HEVC_MAIN;
|
|
break;
|
|
case NV_ENC_HEVC_PROFILE_MAIN_10:
|
|
cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN10_GUID;
|
|
avctx->profile = FF_PROFILE_HEVC_MAIN_10;
|
|
break;
|
|
case NV_ENC_HEVC_PROFILE_REXT:
|
|
cc->profileGUID = NV_ENC_HEVC_PROFILE_FREXT_GUID;
|
|
avctx->profile = FF_PROFILE_HEVC_REXT;
|
|
break;
|
|
}
|
|
|
|
// force setting profile as main10 if input is 10 bit
|
|
if (IS_10BIT(ctx->data_pix_fmt)) {
|
|
cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN10_GUID;
|
|
avctx->profile = FF_PROFILE_HEVC_MAIN_10;
|
|
}
|
|
|
|
// force setting profile as rext if input is yuv444
|
|
if (IS_YUV444(ctx->data_pix_fmt)) {
|
|
cc->profileGUID = NV_ENC_HEVC_PROFILE_FREXT_GUID;
|
|
avctx->profile = FF_PROFILE_HEVC_REXT;
|
|
}
|
|
|
|
hevc->chromaFormatIDC = IS_YUV444(ctx->data_pix_fmt) ? 3 : 1;
|
|
|
|
hevc->pixelBitDepthMinus8 = IS_10BIT(ctx->data_pix_fmt) ? 2 : 0;
|
|
|
|
hevc->level = ctx->level;
|
|
|
|
hevc->tier = ctx->tier;
|
|
|
|
#ifdef NVENC_HAVE_HEVC_BFRAME_REF_MODE
|
|
hevc->useBFramesAsRef = ctx->b_ref_mode;
|
|
#endif
|
|
|
|
#ifdef NVENC_HAVE_MULTIPLE_REF_FRAMES
|
|
hevc->numRefL0 = avctx->refs;
|
|
hevc->numRefL1 = avctx->refs;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold 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);
|
|
/* Earlier switch/case will return if unknown codec is passed. */
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void compute_dar(AVCodecContext *avctx, int *dw, int *dh) {
|
|
int sw, sh;
|
|
|
|
sw = avctx->width;
|
|
sh = avctx->height;
|
|
|
|
if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
|
|
sw *= avctx->sample_aspect_ratio.num;
|
|
sh *= avctx->sample_aspect_ratio.den;
|
|
}
|
|
|
|
av_reduce(dw, dh, sw, sh, 1024 * 1024);
|
|
}
|
|
|
|
static av_cold int nvenc_setup_encoder(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;
|
|
|
|
NV_ENC_PRESET_CONFIG preset_config = { 0 };
|
|
NVENCSTATUS nv_status = NV_ENC_SUCCESS;
|
|
AVCPBProperties *cpb_props;
|
|
int res = 0;
|
|
int dw, dh;
|
|
|
|
ctx->encode_config.version = NV_ENC_CONFIG_VER;
|
|
ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
|
|
|
|
ctx->init_encode_params.encodeHeight = avctx->height;
|
|
ctx->init_encode_params.encodeWidth = avctx->width;
|
|
|
|
ctx->init_encode_params.encodeConfig = &ctx->encode_config;
|
|
|
|
preset_config.version = NV_ENC_PRESET_CONFIG_VER;
|
|
preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
|
|
|
|
#ifdef NVENC_HAVE_NEW_PRESETS
|
|
ctx->init_encode_params.tuningInfo = ctx->tuning_info;
|
|
|
|
if (ctx->flags & NVENC_LOSSLESS)
|
|
ctx->init_encode_params.tuningInfo = NV_ENC_TUNING_INFO_LOSSLESS;
|
|
else if (ctx->flags & NVENC_LOWLATENCY)
|
|
ctx->init_encode_params.tuningInfo = NV_ENC_TUNING_INFO_LOW_LATENCY;
|
|
|
|
nv_status = p_nvenc->nvEncGetEncodePresetConfigEx(ctx->nvencoder,
|
|
ctx->init_encode_params.encodeGUID,
|
|
ctx->init_encode_params.presetGUID,
|
|
ctx->init_encode_params.tuningInfo,
|
|
&preset_config);
|
|
#else
|
|
nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder,
|
|
ctx->init_encode_params.encodeGUID,
|
|
ctx->init_encode_params.presetGUID,
|
|
&preset_config);
|
|
#endif
|
|
if (nv_status != NV_ENC_SUCCESS)
|
|
return nvenc_print_error(avctx, nv_status, "Cannot get the preset configuration");
|
|
|
|
memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
|
|
|
|
ctx->encode_config.version = NV_ENC_CONFIG_VER;
|
|
|
|
compute_dar(avctx, &dw, &dh);
|
|
ctx->init_encode_params.darHeight = dh;
|
|
ctx->init_encode_params.darWidth = dw;
|
|
|
|
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
|
|
ctx->init_encode_params.frameRateNum = avctx->framerate.num;
|
|
ctx->init_encode_params.frameRateDen = avctx->framerate.den;
|
|
} else {
|
|
ctx->init_encode_params.frameRateNum = avctx->time_base.den;
|
|
ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
|
|
}
|
|
|
|
ctx->init_encode_params.enableEncodeAsync = 0;
|
|
ctx->init_encode_params.enablePTD = 1;
|
|
|
|
#ifdef NVENC_HAVE_NEW_PRESETS
|
|
/* If lookahead isn't set from CLI, use value from preset.
|
|
* P6 & P7 presets may enable lookahead for better quality.
|
|
* */
|
|
if (ctx->rc_lookahead == 0 && ctx->encode_config.rcParams.enableLookahead)
|
|
ctx->rc_lookahead = ctx->encode_config.rcParams.lookaheadDepth;
|
|
#endif
|
|
|
|
if (ctx->weighted_pred == 1)
|
|
ctx->init_encode_params.enableWeightedPrediction = 1;
|
|
|
|
if (ctx->bluray_compat) {
|
|
ctx->aud = 1;
|
|
ctx->dpb_size = FFMIN(FFMAX(avctx->refs, 0), 6);
|
|
avctx->max_b_frames = FFMIN(avctx->max_b_frames, 3);
|
|
switch (avctx->codec->id) {
|
|
case AV_CODEC_ID_H264:
|
|
/* maximum level depends on used resolution */
|
|
break;
|
|
case AV_CODEC_ID_HEVC:
|
|
ctx->level = NV_ENC_LEVEL_HEVC_51;
|
|
ctx->tier = NV_ENC_TIER_HEVC_HIGH;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (avctx->gop_size > 0) {
|
|
if (avctx->max_b_frames >= 0) {
|
|
/* 0 is intra-only, 1 is I/P only, 2 is one B-Frame, 3 two B-frames, and so on. */
|
|
ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
|
|
}
|
|
|
|
ctx->encode_config.gopLength = avctx->gop_size;
|
|
} else if (avctx->gop_size == 0) {
|
|
ctx->encode_config.frameIntervalP = 0;
|
|
ctx->encode_config.gopLength = 1;
|
|
}
|
|
|
|
/* force to enable intra refresh */
|
|
if(ctx->single_slice_intra_refresh)
|
|
ctx->intra_refresh = 1;
|
|
|
|
if (ctx->intra_refresh)
|
|
ctx->encode_config.gopLength = NVENC_INFINITE_GOPLENGTH;
|
|
|
|
nvenc_recalc_surfaces(avctx);
|
|
|
|
nvenc_setup_rate_control(avctx);
|
|
|
|
if (avctx->flags & AV_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;
|
|
}
|
|
|
|
res = nvenc_setup_codec_config(avctx);
|
|
if (res)
|
|
return res;
|
|
|
|
res = nvenc_push_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
nvenc_pop_context(avctx);
|
|
return nvenc_print_error(avctx, nv_status, "InitializeEncoder failed");
|
|
}
|
|
|
|
#ifdef NVENC_HAVE_CUSTREAM_PTR
|
|
if (ctx->cu_context) {
|
|
nv_status = p_nvenc->nvEncSetIOCudaStreams(ctx->nvencoder, &ctx->cu_stream, &ctx->cu_stream);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
nvenc_pop_context(avctx);
|
|
return nvenc_print_error(avctx, nv_status, "SetIOCudaStreams failed");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
res = nvenc_pop_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
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;
|
|
|
|
cpb_props = ff_add_cpb_side_data(avctx);
|
|
if (!cpb_props)
|
|
return AVERROR(ENOMEM);
|
|
cpb_props->max_bitrate = ctx->encode_config.rcParams.maxBitRate;
|
|
cpb_props->avg_bitrate = avctx->bit_rate;
|
|
cpb_props->buffer_size = ctx->encode_config.rcParams.vbvBufferSize;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static NV_ENC_BUFFER_FORMAT nvenc_map_buffer_format(enum AVPixelFormat pix_fmt)
|
|
{
|
|
switch (pix_fmt) {
|
|
case AV_PIX_FMT_YUV420P:
|
|
return NV_ENC_BUFFER_FORMAT_YV12_PL;
|
|
case AV_PIX_FMT_NV12:
|
|
return NV_ENC_BUFFER_FORMAT_NV12_PL;
|
|
case AV_PIX_FMT_P010:
|
|
case AV_PIX_FMT_P016:
|
|
return NV_ENC_BUFFER_FORMAT_YUV420_10BIT;
|
|
case AV_PIX_FMT_GBRP:
|
|
case AV_PIX_FMT_YUV444P:
|
|
return NV_ENC_BUFFER_FORMAT_YUV444_PL;
|
|
case AV_PIX_FMT_GBRP16:
|
|
case AV_PIX_FMT_YUV444P16:
|
|
return NV_ENC_BUFFER_FORMAT_YUV444_10BIT;
|
|
case AV_PIX_FMT_0RGB32:
|
|
return NV_ENC_BUFFER_FORMAT_ARGB;
|
|
case AV_PIX_FMT_0BGR32:
|
|
return NV_ENC_BUFFER_FORMAT_ABGR;
|
|
default:
|
|
return NV_ENC_BUFFER_FORMAT_UNDEFINED;
|
|
}
|
|
}
|
|
|
|
static av_cold int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
|
|
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
|
|
NvencSurface* tmp_surface = &ctx->surfaces[idx];
|
|
|
|
NVENCSTATUS nv_status;
|
|
NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
|
|
allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
|
|
ctx->surfaces[idx].in_ref = av_frame_alloc();
|
|
if (!ctx->surfaces[idx].in_ref)
|
|
return AVERROR(ENOMEM);
|
|
} else {
|
|
NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
|
|
|
|
ctx->surfaces[idx].format = nvenc_map_buffer_format(ctx->data_pix_fmt);
|
|
if (ctx->surfaces[idx].format == NV_ENC_BUFFER_FORMAT_UNDEFINED) {
|
|
av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format: %s\n",
|
|
av_get_pix_fmt_name(ctx->data_pix_fmt));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
|
|
allocSurf.width = avctx->width;
|
|
allocSurf.height = avctx->height;
|
|
allocSurf.bufferFmt = ctx->surfaces[idx].format;
|
|
|
|
nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
return nvenc_print_error(avctx, nv_status, "CreateInputBuffer failed");
|
|
}
|
|
|
|
ctx->surfaces[idx].input_surface = allocSurf.inputBuffer;
|
|
ctx->surfaces[idx].width = allocSurf.width;
|
|
ctx->surfaces[idx].height = allocSurf.height;
|
|
}
|
|
|
|
nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
int err = nvenc_print_error(avctx, nv_status, "CreateBitstreamBuffer failed");
|
|
if (avctx->pix_fmt != AV_PIX_FMT_CUDA && avctx->pix_fmt != AV_PIX_FMT_D3D11)
|
|
p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->surfaces[idx].input_surface);
|
|
av_frame_free(&ctx->surfaces[idx].in_ref);
|
|
return err;
|
|
}
|
|
|
|
ctx->surfaces[idx].output_surface = allocOut.bitstreamBuffer;
|
|
|
|
av_fifo_generic_write(ctx->unused_surface_queue, &tmp_surface, sizeof(tmp_surface), NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int nvenc_setup_surfaces(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
int i, res = 0, res2;
|
|
|
|
ctx->surfaces = av_calloc(ctx->nb_surfaces, sizeof(*ctx->surfaces));
|
|
if (!ctx->surfaces)
|
|
return AVERROR(ENOMEM);
|
|
|
|
ctx->timestamp_list = av_fifo_alloc(ctx->nb_surfaces * sizeof(int64_t));
|
|
if (!ctx->timestamp_list)
|
|
return AVERROR(ENOMEM);
|
|
|
|
ctx->unused_surface_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(NvencSurface*));
|
|
if (!ctx->unused_surface_queue)
|
|
return AVERROR(ENOMEM);
|
|
|
|
ctx->output_surface_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(NvencSurface*));
|
|
if (!ctx->output_surface_queue)
|
|
return AVERROR(ENOMEM);
|
|
ctx->output_surface_ready_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(NvencSurface*));
|
|
if (!ctx->output_surface_ready_queue)
|
|
return AVERROR(ENOMEM);
|
|
|
|
res = nvenc_push_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
for (i = 0; i < ctx->nb_surfaces; i++) {
|
|
if ((res = nvenc_alloc_surface(avctx, i)) < 0)
|
|
goto fail;
|
|
}
|
|
|
|
fail:
|
|
res2 = nvenc_pop_context(avctx);
|
|
if (res2 < 0)
|
|
return res2;
|
|
|
|
return res;
|
|
}
|
|
|
|
static av_cold int nvenc_setup_extradata(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;
|
|
|
|
NVENCSTATUS nv_status;
|
|
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) {
|
|
return nvenc_print_error(avctx, nv_status, "GetSequenceParams failed");
|
|
}
|
|
|
|
avctx->extradata_size = outSize;
|
|
avctx->extradata = av_mallocz(outSize + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
|
|
if (!avctx->extradata) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
memcpy(avctx->extradata, tmpHeader, outSize);
|
|
|
|
return 0;
|
|
}
|
|
|
|
av_cold int ff_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, res;
|
|
|
|
/* the encoder has to be flushed before it can be closed */
|
|
if (ctx->nvencoder) {
|
|
NV_ENC_PIC_PARAMS params = { .version = NV_ENC_PIC_PARAMS_VER,
|
|
.encodePicFlags = NV_ENC_PIC_FLAG_EOS };
|
|
|
|
res = nvenc_push_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
p_nvenc->nvEncEncodePicture(ctx->nvencoder, ¶ms);
|
|
}
|
|
|
|
av_fifo_freep(&ctx->timestamp_list);
|
|
av_fifo_freep(&ctx->output_surface_ready_queue);
|
|
av_fifo_freep(&ctx->output_surface_queue);
|
|
av_fifo_freep(&ctx->unused_surface_queue);
|
|
|
|
if (ctx->surfaces && (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11)) {
|
|
for (i = 0; i < ctx->nb_registered_frames; i++) {
|
|
if (ctx->registered_frames[i].mapped)
|
|
p_nvenc->nvEncUnmapInputResource(ctx->nvencoder, ctx->registered_frames[i].in_map.mappedResource);
|
|
if (ctx->registered_frames[i].regptr)
|
|
p_nvenc->nvEncUnregisterResource(ctx->nvencoder, ctx->registered_frames[i].regptr);
|
|
}
|
|
ctx->nb_registered_frames = 0;
|
|
}
|
|
|
|
if (ctx->surfaces) {
|
|
for (i = 0; i < ctx->nb_surfaces; ++i) {
|
|
if (avctx->pix_fmt != AV_PIX_FMT_CUDA && avctx->pix_fmt != AV_PIX_FMT_D3D11)
|
|
p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->surfaces[i].input_surface);
|
|
av_frame_free(&ctx->surfaces[i].in_ref);
|
|
p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->surfaces[i].output_surface);
|
|
}
|
|
}
|
|
av_freep(&ctx->surfaces);
|
|
ctx->nb_surfaces = 0;
|
|
|
|
av_frame_free(&ctx->frame);
|
|
|
|
av_freep(&ctx->sei_data);
|
|
|
|
if (ctx->nvencoder) {
|
|
p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
|
|
|
|
res = nvenc_pop_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
}
|
|
ctx->nvencoder = NULL;
|
|
|
|
if (ctx->cu_context_internal)
|
|
CHECK_CU(dl_fn->cuda_dl->cuCtxDestroy(ctx->cu_context_internal));
|
|
ctx->cu_context = ctx->cu_context_internal = NULL;
|
|
|
|
#if CONFIG_D3D11VA
|
|
if (ctx->d3d11_device) {
|
|
ID3D11Device_Release(ctx->d3d11_device);
|
|
ctx->d3d11_device = NULL;
|
|
}
|
|
#endif
|
|
|
|
nvenc_free_functions(&dl_fn->nvenc_dl);
|
|
cuda_free_functions(&dl_fn->cuda_dl);
|
|
|
|
dl_fn->nvenc_device_count = 0;
|
|
|
|
av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
int ret;
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
|
|
AVHWFramesContext *frames_ctx;
|
|
if (!avctx->hw_frames_ctx) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"hw_frames_ctx must be set when using GPU frames as input\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
|
|
if (frames_ctx->format != avctx->pix_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"hw_frames_ctx must match the GPU frame type\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
ctx->data_pix_fmt = frames_ctx->sw_format;
|
|
} else {
|
|
ctx->data_pix_fmt = avctx->pix_fmt;
|
|
}
|
|
|
|
ctx->frame = av_frame_alloc();
|
|
if (!ctx->frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
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 NvencSurface *get_free_frame(NvencContext *ctx)
|
|
{
|
|
NvencSurface *tmp_surf;
|
|
|
|
if (!(av_fifo_size(ctx->unused_surface_queue) > 0))
|
|
// queue empty
|
|
return NULL;
|
|
|
|
av_fifo_generic_read(ctx->unused_surface_queue, &tmp_surf, sizeof(tmp_surf), NULL);
|
|
return tmp_surf;
|
|
}
|
|
|
|
static int nvenc_copy_frame(AVCodecContext *avctx, NvencSurface *nv_surface,
|
|
NV_ENC_LOCK_INPUT_BUFFER *lock_buffer_params, const AVFrame *frame)
|
|
{
|
|
int dst_linesize[4] = {
|
|
lock_buffer_params->pitch,
|
|
lock_buffer_params->pitch,
|
|
lock_buffer_params->pitch,
|
|
lock_buffer_params->pitch
|
|
};
|
|
uint8_t *dst_data[4];
|
|
int ret;
|
|
|
|
if (frame->format == AV_PIX_FMT_YUV420P)
|
|
dst_linesize[1] = dst_linesize[2] >>= 1;
|
|
|
|
ret = av_image_fill_pointers(dst_data, frame->format, nv_surface->height,
|
|
lock_buffer_params->bufferDataPtr, dst_linesize);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (frame->format == AV_PIX_FMT_YUV420P)
|
|
FFSWAP(uint8_t*, dst_data[1], dst_data[2]);
|
|
|
|
av_image_copy(dst_data, dst_linesize,
|
|
(const uint8_t**)frame->data, frame->linesize, frame->format,
|
|
avctx->width, avctx->height);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nvenc_find_free_reg_resource(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;
|
|
NVENCSTATUS nv_status;
|
|
|
|
int i, first_round;
|
|
|
|
if (ctx->nb_registered_frames == FF_ARRAY_ELEMS(ctx->registered_frames)) {
|
|
for (first_round = 1; first_round >= 0; first_round--) {
|
|
for (i = 0; i < ctx->nb_registered_frames; i++) {
|
|
if (!ctx->registered_frames[i].mapped) {
|
|
if (ctx->registered_frames[i].regptr) {
|
|
if (first_round)
|
|
continue;
|
|
nv_status = p_nvenc->nvEncUnregisterResource(ctx->nvencoder, ctx->registered_frames[i].regptr);
|
|
if (nv_status != NV_ENC_SUCCESS)
|
|
return nvenc_print_error(avctx, nv_status, "Failed unregistering unused input resource");
|
|
ctx->registered_frames[i].ptr = NULL;
|
|
ctx->registered_frames[i].regptr = NULL;
|
|
}
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
return ctx->nb_registered_frames++;
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Too many registered CUDA frames\n");
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
|
|
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
|
|
|
|
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)frame->hw_frames_ctx->data;
|
|
NV_ENC_REGISTER_RESOURCE reg;
|
|
int i, idx, ret;
|
|
|
|
for (i = 0; i < ctx->nb_registered_frames; i++) {
|
|
if (avctx->pix_fmt == AV_PIX_FMT_CUDA && ctx->registered_frames[i].ptr == frame->data[0])
|
|
return i;
|
|
else if (avctx->pix_fmt == AV_PIX_FMT_D3D11 && ctx->registered_frames[i].ptr == frame->data[0] && ctx->registered_frames[i].ptr_index == (intptr_t)frame->data[1])
|
|
return i;
|
|
}
|
|
|
|
idx = nvenc_find_free_reg_resource(avctx);
|
|
if (idx < 0)
|
|
return idx;
|
|
|
|
reg.version = NV_ENC_REGISTER_RESOURCE_VER;
|
|
reg.width = frames_ctx->width;
|
|
reg.height = frames_ctx->height;
|
|
reg.pitch = frame->linesize[0];
|
|
reg.resourceToRegister = frame->data[0];
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
|
|
reg.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_CUDADEVICEPTR;
|
|
}
|
|
else if (avctx->pix_fmt == AV_PIX_FMT_D3D11) {
|
|
reg.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_DIRECTX;
|
|
reg.subResourceIndex = (intptr_t)frame->data[1];
|
|
}
|
|
|
|
reg.bufferFormat = nvenc_map_buffer_format(frames_ctx->sw_format);
|
|
if (reg.bufferFormat == NV_ENC_BUFFER_FORMAT_UNDEFINED) {
|
|
av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format: %s\n",
|
|
av_get_pix_fmt_name(frames_ctx->sw_format));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
ret = p_nvenc->nvEncRegisterResource(ctx->nvencoder, ®);
|
|
if (ret != NV_ENC_SUCCESS) {
|
|
nvenc_print_error(avctx, ret, "Error registering an input resource");
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
ctx->registered_frames[idx].ptr = frame->data[0];
|
|
ctx->registered_frames[idx].ptr_index = reg.subResourceIndex;
|
|
ctx->registered_frames[idx].regptr = reg.registeredResource;
|
|
return idx;
|
|
}
|
|
|
|
static int nvenc_upload_frame(AVCodecContext *avctx, const AVFrame *frame,
|
|
NvencSurface *nvenc_frame)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
|
|
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
|
|
|
|
int res;
|
|
NVENCSTATUS nv_status;
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
|
|
int reg_idx = nvenc_register_frame(avctx, frame);
|
|
if (reg_idx < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Could not register an input HW frame\n");
|
|
return reg_idx;
|
|
}
|
|
|
|
res = av_frame_ref(nvenc_frame->in_ref, frame);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
if (!ctx->registered_frames[reg_idx].mapped) {
|
|
ctx->registered_frames[reg_idx].in_map.version = NV_ENC_MAP_INPUT_RESOURCE_VER;
|
|
ctx->registered_frames[reg_idx].in_map.registeredResource = ctx->registered_frames[reg_idx].regptr;
|
|
nv_status = p_nvenc->nvEncMapInputResource(ctx->nvencoder, &ctx->registered_frames[reg_idx].in_map);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
av_frame_unref(nvenc_frame->in_ref);
|
|
return nvenc_print_error(avctx, nv_status, "Error mapping an input resource");
|
|
}
|
|
}
|
|
|
|
ctx->registered_frames[reg_idx].mapped += 1;
|
|
|
|
nvenc_frame->reg_idx = reg_idx;
|
|
nvenc_frame->input_surface = ctx->registered_frames[reg_idx].in_map.mappedResource;
|
|
nvenc_frame->format = ctx->registered_frames[reg_idx].in_map.mappedBufferFmt;
|
|
nvenc_frame->pitch = frame->linesize[0];
|
|
|
|
return 0;
|
|
} else {
|
|
NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
|
|
|
|
lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
|
|
lockBufferParams.inputBuffer = nvenc_frame->input_surface;
|
|
|
|
nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
return nvenc_print_error(avctx, nv_status, "Failed locking nvenc input buffer");
|
|
}
|
|
|
|
nvenc_frame->pitch = lockBufferParams.pitch;
|
|
res = nvenc_copy_frame(avctx, nvenc_frame, &lockBufferParams, frame);
|
|
|
|
nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, nvenc_frame->input_surface);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
return nvenc_print_error(avctx, nv_status, "Failed unlocking input buffer!");
|
|
}
|
|
|
|
return res;
|
|
}
|
|
}
|
|
|
|
static void nvenc_codec_specific_pic_params(AVCodecContext *avctx,
|
|
NV_ENC_PIC_PARAMS *params,
|
|
NV_ENC_SEI_PAYLOAD *sei_data,
|
|
int sei_count)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
|
|
switch (avctx->codec->id) {
|
|
case AV_CODEC_ID_H264:
|
|
params->codecPicParams.h264PicParams.sliceMode =
|
|
ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
|
|
params->codecPicParams.h264PicParams.sliceModeData =
|
|
ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
|
|
if (sei_count > 0) {
|
|
params->codecPicParams.h264PicParams.seiPayloadArray = sei_data;
|
|
params->codecPicParams.h264PicParams.seiPayloadArrayCnt = sei_count;
|
|
}
|
|
|
|
break;
|
|
case AV_CODEC_ID_HEVC:
|
|
params->codecPicParams.hevcPicParams.sliceMode =
|
|
ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
|
|
params->codecPicParams.hevcPicParams.sliceModeData =
|
|
ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
|
|
if (sei_count > 0) {
|
|
params->codecPicParams.hevcPicParams.seiPayloadArray = sei_data;
|
|
params->codecPicParams.hevcPicParams.seiPayloadArrayCnt = sei_count;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
static inline void timestamp_queue_enqueue(AVFifoBuffer* queue, int64_t timestamp)
|
|
{
|
|
av_fifo_generic_write(queue, ×tamp, sizeof(timestamp), NULL);
|
|
}
|
|
|
|
static inline int64_t timestamp_queue_dequeue(AVFifoBuffer* queue)
|
|
{
|
|
int64_t timestamp = AV_NOPTS_VALUE;
|
|
if (av_fifo_size(queue) > 0)
|
|
av_fifo_generic_read(queue, ×tamp, sizeof(timestamp), NULL);
|
|
|
|
return timestamp;
|
|
}
|
|
|
|
static int nvenc_set_timestamp(AVCodecContext *avctx,
|
|
NV_ENC_LOCK_BITSTREAM *params,
|
|
AVPacket *pkt)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
|
|
pkt->pts = params->outputTimeStamp;
|
|
pkt->dts = timestamp_queue_dequeue(ctx->timestamp_list);
|
|
|
|
pkt->dts -= FFMAX(ctx->encode_config.frameIntervalP - 1, 0) * FFMAX(avctx->ticks_per_frame, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSurface *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_mode_data;
|
|
uint32_t *slice_offsets = NULL;
|
|
NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
|
|
NVENCSTATUS nv_status;
|
|
int res = 0;
|
|
|
|
enum AVPictureType pict_type;
|
|
|
|
switch (avctx->codec->id) {
|
|
case AV_CODEC_ID_H264:
|
|
slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
|
|
break;
|
|
case AV_CODEC_ID_H265:
|
|
slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
|
|
break;
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n");
|
|
res = AVERROR(EINVAL);
|
|
goto error;
|
|
}
|
|
slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
|
|
|
|
if (!slice_offsets) {
|
|
res = AVERROR(ENOMEM);
|
|
goto error;
|
|
}
|
|
|
|
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) {
|
|
res = nvenc_print_error(avctx, nv_status, "Failed locking bitstream buffer");
|
|
goto error;
|
|
}
|
|
|
|
res = ff_get_encode_buffer(avctx, pkt, lock_params.bitstreamSizeInBytes, 0);
|
|
|
|
if (res < 0) {
|
|
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) {
|
|
res = nvenc_print_error(avctx, nv_status, "Failed unlocking bitstream buffer, expect the gates of mordor to open");
|
|
goto error;
|
|
}
|
|
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
|
|
ctx->registered_frames[tmpoutsurf->reg_idx].mapped -= 1;
|
|
if (ctx->registered_frames[tmpoutsurf->reg_idx].mapped == 0) {
|
|
nv_status = p_nvenc->nvEncUnmapInputResource(ctx->nvencoder, ctx->registered_frames[tmpoutsurf->reg_idx].in_map.mappedResource);
|
|
if (nv_status != NV_ENC_SUCCESS) {
|
|
res = nvenc_print_error(avctx, nv_status, "Failed unmapping input resource");
|
|
goto error;
|
|
}
|
|
} else if (ctx->registered_frames[tmpoutsurf->reg_idx].mapped < 0) {
|
|
res = AVERROR_BUG;
|
|
goto error;
|
|
}
|
|
|
|
av_frame_unref(tmpoutsurf->in_ref);
|
|
|
|
tmpoutsurf->input_surface = NULL;
|
|
}
|
|
|
|
switch (lock_params.pictureType) {
|
|
case NV_ENC_PIC_TYPE_IDR:
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
case NV_ENC_PIC_TYPE_I:
|
|
pict_type = AV_PICTURE_TYPE_I;
|
|
break;
|
|
case NV_ENC_PIC_TYPE_P:
|
|
pict_type = AV_PICTURE_TYPE_P;
|
|
break;
|
|
case NV_ENC_PIC_TYPE_B:
|
|
pict_type = AV_PICTURE_TYPE_B;
|
|
break;
|
|
case NV_ENC_PIC_TYPE_BI:
|
|
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;
|
|
}
|
|
|
|
ff_side_data_set_encoder_stats(pkt,
|
|
(lock_params.frameAvgQP - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
|
|
|
|
res = nvenc_set_timestamp(avctx, &lock_params, pkt);
|
|
if (res < 0)
|
|
goto error2;
|
|
|
|
av_free(slice_offsets);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
timestamp_queue_dequeue(ctx->timestamp_list);
|
|
|
|
error2:
|
|
av_free(slice_offsets);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int output_ready(AVCodecContext *avctx, int flush)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
int nb_ready, nb_pending;
|
|
|
|
nb_ready = av_fifo_size(ctx->output_surface_ready_queue) / sizeof(NvencSurface*);
|
|
nb_pending = av_fifo_size(ctx->output_surface_queue) / sizeof(NvencSurface*);
|
|
if (flush)
|
|
return nb_ready > 0;
|
|
return (nb_ready > 0) && (nb_ready + nb_pending >= ctx->async_depth);
|
|
}
|
|
|
|
static int prepare_sei_data_array(AVCodecContext *avctx, const AVFrame *frame)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
int sei_count = 0;
|
|
int i, res;
|
|
|
|
if (ctx->a53_cc && av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC)) {
|
|
void *a53_data = NULL;
|
|
size_t a53_size = 0;
|
|
|
|
if (ff_alloc_a53_sei(frame, 0, &a53_data, &a53_size) < 0) {
|
|
av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
|
|
}
|
|
|
|
if (a53_data) {
|
|
void *tmp = av_fast_realloc(ctx->sei_data,
|
|
&ctx->sei_data_size,
|
|
(sei_count + 1) * sizeof(*ctx->sei_data));
|
|
if (!tmp) {
|
|
av_free(a53_data);
|
|
res = AVERROR(ENOMEM);
|
|
goto error;
|
|
} else {
|
|
ctx->sei_data = tmp;
|
|
ctx->sei_data[sei_count].payloadSize = (uint32_t)a53_size;
|
|
ctx->sei_data[sei_count].payloadType = 4;
|
|
ctx->sei_data[sei_count].payload = (uint8_t*)a53_data;
|
|
sei_count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ctx->s12m_tc && av_frame_get_side_data(frame, AV_FRAME_DATA_S12M_TIMECODE)) {
|
|
void *tc_data = NULL;
|
|
size_t tc_size = 0;
|
|
|
|
if (ff_alloc_timecode_sei(frame, avctx->framerate, 0, &tc_data, &tc_size) < 0) {
|
|
av_log(ctx, AV_LOG_ERROR, "Not enough memory for timecode sei, skipping\n");
|
|
}
|
|
|
|
if (tc_data) {
|
|
void *tmp = av_fast_realloc(ctx->sei_data,
|
|
&ctx->sei_data_size,
|
|
(sei_count + 1) * sizeof(*ctx->sei_data));
|
|
if (!tmp) {
|
|
av_free(tc_data);
|
|
res = AVERROR(ENOMEM);
|
|
goto error;
|
|
} else {
|
|
ctx->sei_data = tmp;
|
|
ctx->sei_data[sei_count].payloadSize = (uint32_t)tc_size;
|
|
ctx->sei_data[sei_count].payloadType = SEI_TYPE_TIME_CODE;
|
|
ctx->sei_data[sei_count].payload = (uint8_t*)tc_data;
|
|
sei_count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < frame->nb_side_data; i++) {
|
|
AVFrameSideData *side_data = frame->side_data[i];
|
|
void *tmp;
|
|
|
|
if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED)
|
|
continue;
|
|
|
|
tmp = av_fast_realloc(ctx->sei_data,
|
|
&ctx->sei_data_size,
|
|
(sei_count + 1) * sizeof(*ctx->sei_data));
|
|
if (!tmp) {
|
|
res = AVERROR(ENOMEM);
|
|
goto error;
|
|
} else {
|
|
ctx->sei_data = tmp;
|
|
ctx->sei_data[sei_count].payloadSize = side_data->size;
|
|
ctx->sei_data[sei_count].payloadType = SEI_TYPE_USER_DATA_UNREGISTERED;
|
|
ctx->sei_data[sei_count].payload = av_memdup(side_data->data, side_data->size);
|
|
|
|
if (!ctx->sei_data[sei_count].payload) {
|
|
res = AVERROR(ENOMEM);
|
|
goto error;
|
|
}
|
|
|
|
sei_count++;
|
|
}
|
|
}
|
|
|
|
return sei_count;
|
|
|
|
error:
|
|
for (i = 0; i < sei_count; i++)
|
|
av_freep(&(ctx->sei_data[i].payload));
|
|
|
|
return res;
|
|
}
|
|
|
|
static void reconfig_encoder(AVCodecContext *avctx, const AVFrame *frame)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs;
|
|
NVENCSTATUS ret;
|
|
|
|
NV_ENC_RECONFIGURE_PARAMS params = { 0 };
|
|
int needs_reconfig = 0;
|
|
int needs_encode_config = 0;
|
|
int reconfig_bitrate = 0, reconfig_dar = 0;
|
|
int dw, dh;
|
|
|
|
params.version = NV_ENC_RECONFIGURE_PARAMS_VER;
|
|
params.reInitEncodeParams = ctx->init_encode_params;
|
|
|
|
compute_dar(avctx, &dw, &dh);
|
|
if (dw != ctx->init_encode_params.darWidth || dh != ctx->init_encode_params.darHeight) {
|
|
av_log(avctx, AV_LOG_VERBOSE,
|
|
"aspect ratio change (DAR): %d:%d -> %d:%d\n",
|
|
ctx->init_encode_params.darWidth,
|
|
ctx->init_encode_params.darHeight, dw, dh);
|
|
|
|
params.reInitEncodeParams.darHeight = dh;
|
|
params.reInitEncodeParams.darWidth = dw;
|
|
|
|
needs_reconfig = 1;
|
|
reconfig_dar = 1;
|
|
}
|
|
|
|
if (ctx->rc != NV_ENC_PARAMS_RC_CONSTQP && ctx->support_dyn_bitrate) {
|
|
if (avctx->bit_rate > 0 && params.reInitEncodeParams.encodeConfig->rcParams.averageBitRate != avctx->bit_rate) {
|
|
av_log(avctx, AV_LOG_VERBOSE,
|
|
"avg bitrate change: %d -> %d\n",
|
|
params.reInitEncodeParams.encodeConfig->rcParams.averageBitRate,
|
|
(uint32_t)avctx->bit_rate);
|
|
|
|
params.reInitEncodeParams.encodeConfig->rcParams.averageBitRate = avctx->bit_rate;
|
|
reconfig_bitrate = 1;
|
|
}
|
|
|
|
if (avctx->rc_max_rate > 0 && ctx->encode_config.rcParams.maxBitRate != avctx->rc_max_rate) {
|
|
av_log(avctx, AV_LOG_VERBOSE,
|
|
"max bitrate change: %d -> %d\n",
|
|
params.reInitEncodeParams.encodeConfig->rcParams.maxBitRate,
|
|
(uint32_t)avctx->rc_max_rate);
|
|
|
|
params.reInitEncodeParams.encodeConfig->rcParams.maxBitRate = avctx->rc_max_rate;
|
|
reconfig_bitrate = 1;
|
|
}
|
|
|
|
if (avctx->rc_buffer_size > 0 && ctx->encode_config.rcParams.vbvBufferSize != avctx->rc_buffer_size) {
|
|
av_log(avctx, AV_LOG_VERBOSE,
|
|
"vbv buffer size change: %d -> %d\n",
|
|
params.reInitEncodeParams.encodeConfig->rcParams.vbvBufferSize,
|
|
avctx->rc_buffer_size);
|
|
|
|
params.reInitEncodeParams.encodeConfig->rcParams.vbvBufferSize = avctx->rc_buffer_size;
|
|
reconfig_bitrate = 1;
|
|
}
|
|
|
|
if (reconfig_bitrate) {
|
|
params.resetEncoder = 1;
|
|
params.forceIDR = 1;
|
|
|
|
needs_encode_config = 1;
|
|
needs_reconfig = 1;
|
|
}
|
|
}
|
|
|
|
if (!needs_encode_config)
|
|
params.reInitEncodeParams.encodeConfig = NULL;
|
|
|
|
if (needs_reconfig) {
|
|
ret = p_nvenc->nvEncReconfigureEncoder(ctx->nvencoder, ¶ms);
|
|
if (ret != NV_ENC_SUCCESS) {
|
|
nvenc_print_error(avctx, ret, "failed to reconfigure nvenc");
|
|
} else {
|
|
if (reconfig_dar) {
|
|
ctx->init_encode_params.darHeight = dh;
|
|
ctx->init_encode_params.darWidth = dw;
|
|
}
|
|
|
|
if (reconfig_bitrate) {
|
|
ctx->encode_config.rcParams.averageBitRate = params.reInitEncodeParams.encodeConfig->rcParams.averageBitRate;
|
|
ctx->encode_config.rcParams.maxBitRate = params.reInitEncodeParams.encodeConfig->rcParams.maxBitRate;
|
|
ctx->encode_config.rcParams.vbvBufferSize = params.reInitEncodeParams.encodeConfig->rcParams.vbvBufferSize;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
|
|
{
|
|
NVENCSTATUS nv_status;
|
|
NvencSurface *tmp_out_surf, *in_surf;
|
|
int res, res2;
|
|
int sei_count = 0;
|
|
int i;
|
|
|
|
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 ((!ctx->cu_context && !ctx->d3d11_device) || !ctx->nvencoder)
|
|
return AVERROR(EINVAL);
|
|
|
|
if (frame && frame->buf[0]) {
|
|
in_surf = get_free_frame(ctx);
|
|
if (!in_surf)
|
|
return AVERROR(EAGAIN);
|
|
|
|
res = nvenc_push_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
reconfig_encoder(avctx, frame);
|
|
|
|
res = nvenc_upload_frame(avctx, frame, in_surf);
|
|
|
|
res2 = nvenc_pop_context(avctx);
|
|
if (res2 < 0)
|
|
return res2;
|
|
|
|
if (res)
|
|
return res;
|
|
|
|
pic_params.inputBuffer = in_surf->input_surface;
|
|
pic_params.bufferFmt = in_surf->format;
|
|
pic_params.inputWidth = in_surf->width;
|
|
pic_params.inputHeight = in_surf->height;
|
|
pic_params.inputPitch = in_surf->pitch;
|
|
pic_params.outputBitstream = in_surf->output_surface;
|
|
|
|
if (avctx->flags & AV_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;
|
|
}
|
|
|
|
if (ctx->forced_idr >= 0 && frame->pict_type == AV_PICTURE_TYPE_I) {
|
|
pic_params.encodePicFlags =
|
|
ctx->forced_idr ? NV_ENC_PIC_FLAG_FORCEIDR : NV_ENC_PIC_FLAG_FORCEINTRA;
|
|
} else {
|
|
pic_params.encodePicFlags = 0;
|
|
}
|
|
|
|
pic_params.inputTimeStamp = frame->pts;
|
|
|
|
if (ctx->extra_sei) {
|
|
res = prepare_sei_data_array(avctx, frame);
|
|
if (res < 0)
|
|
return res;
|
|
sei_count = res;
|
|
}
|
|
|
|
nvenc_codec_specific_pic_params(avctx, &pic_params, ctx->sei_data, sei_count);
|
|
} else {
|
|
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
|
|
}
|
|
|
|
res = nvenc_push_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
|
|
|
|
for (i = 0; i < sei_count; i++)
|
|
av_freep(&(ctx->sei_data[i].payload));
|
|
|
|
res = nvenc_pop_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
if (nv_status != NV_ENC_SUCCESS &&
|
|
nv_status != NV_ENC_ERR_NEED_MORE_INPUT)
|
|
return nvenc_print_error(avctx, nv_status, "EncodePicture failed!");
|
|
|
|
if (frame && frame->buf[0]) {
|
|
av_fifo_generic_write(ctx->output_surface_queue, &in_surf, sizeof(in_surf), NULL);
|
|
timestamp_queue_enqueue(ctx->timestamp_list, frame->pts);
|
|
}
|
|
|
|
/* all the pending buffers are now ready for output */
|
|
if (nv_status == NV_ENC_SUCCESS) {
|
|
while (av_fifo_size(ctx->output_surface_queue) > 0) {
|
|
av_fifo_generic_read(ctx->output_surface_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
|
|
av_fifo_generic_write(ctx->output_surface_ready_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
|
|
{
|
|
NvencSurface *tmp_out_surf;
|
|
int res, res2;
|
|
|
|
NvencContext *ctx = avctx->priv_data;
|
|
|
|
AVFrame *frame = ctx->frame;
|
|
|
|
if ((!ctx->cu_context && !ctx->d3d11_device) || !ctx->nvencoder)
|
|
return AVERROR(EINVAL);
|
|
|
|
if (!frame->buf[0]) {
|
|
res = ff_encode_get_frame(avctx, frame);
|
|
if (res < 0 && res != AVERROR_EOF)
|
|
return res;
|
|
}
|
|
|
|
res = nvenc_send_frame(avctx, frame);
|
|
if (res < 0) {
|
|
if (res != AVERROR(EAGAIN))
|
|
return res;
|
|
} else
|
|
av_frame_unref(frame);
|
|
|
|
if (output_ready(avctx, avctx->internal->draining)) {
|
|
av_fifo_generic_read(ctx->output_surface_ready_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
|
|
|
|
res = nvenc_push_context(avctx);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
res = process_output_surface(avctx, pkt, tmp_out_surf);
|
|
|
|
res2 = nvenc_pop_context(avctx);
|
|
if (res2 < 0)
|
|
return res2;
|
|
|
|
if (res)
|
|
return res;
|
|
|
|
av_fifo_generic_write(ctx->unused_surface_queue, &tmp_out_surf, sizeof(tmp_out_surf), NULL);
|
|
} else if (avctx->internal->draining) {
|
|
return AVERROR_EOF;
|
|
} else {
|
|
return AVERROR(EAGAIN);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
av_cold void ff_nvenc_encode_flush(AVCodecContext *avctx)
|
|
{
|
|
NvencContext *ctx = avctx->priv_data;
|
|
|
|
nvenc_send_frame(avctx, NULL);
|
|
av_fifo_reset(ctx->timestamp_list);
|
|
}
|