mirror of
https://git.videolan.org/git/ffmpeg.git
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99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
/*
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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 "libavutil/internal.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "nvenc.h"
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#define OFFSET(x) offsetof(NvencContext, x)
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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{ "preset", "Set the encoding preset (one of slow = hq 2pass, medium = hq, fast = hp, hq, hp, bd, ll, llhq, llhp, lossless, losslesshp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE },
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{ "profile", "Set the encoding profile (high, main, baseline or high444p)", OFFSET(profile), AV_OPT_TYPE_STRING, { .str = "main" }, 0, 0, VE },
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{ "level", "Set the encoding level restriction (auto, 1.0, 1.0b, 1.1, 1.2, ..., 4.2, 5.0, 5.1)", OFFSET(level), AV_OPT_TYPE_STRING, { .str = "auto" }, 0, 0, VE },
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{ "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
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{ "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
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{ "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(gpu), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
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{ "delay", "Delays frame output by the given amount of frames.", OFFSET(buffer_delay), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
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{ NULL }
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};
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static const AVCodecDefault defaults[] = {
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{ "b", "2M" },
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{ "qmin", "-1" },
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{ "qmax", "-1" },
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{ "qdiff", "-1" },
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{ "qblur", "-1" },
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{ "qcomp", "-1" },
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{ "g", "250" },
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{ "bf", "0" },
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{ NULL },
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};
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#if CONFIG_NVENC_ENCODER
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static const AVClass nvenc_class = {
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.class_name = "nvenc",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_nvenc_encoder = {
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.name = "nvenc",
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.long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC h264 encoder"),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_H264,
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.init = ff_nvenc_encode_init,
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.encode2 = ff_nvenc_encode_frame,
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.close = ff_nvenc_encode_close,
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.priv_data_size = sizeof(NvencContext),
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.priv_class = &nvenc_class,
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.defaults = defaults,
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.capabilities = AV_CODEC_CAP_DELAY,
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.pix_fmts = ff_nvenc_pix_fmts,
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};
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#endif
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/* Add an alias for nvenc_h264 */
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#if CONFIG_NVENC_H264_ENCODER
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static const AVClass nvenc_h264_class = {
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.class_name = "nvenc_h264",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_nvenc_h264_encoder = {
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.name = "nvenc_h264",
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.long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC h264 encoder"),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_H264,
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.init = ff_nvenc_encode_init,
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.encode2 = ff_nvenc_encode_frame,
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.close = ff_nvenc_encode_close,
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.priv_data_size = sizeof(NvencContext),
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.priv_class = &nvenc_h264_class,
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.defaults = defaults,
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.capabilities = AV_CODEC_CAP_DELAY,
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.pix_fmts = ff_nvenc_pix_fmts,
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};
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#endif
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