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114 lines
6.2 KiB
114 lines
6.2 KiB
/* |
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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", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_MEDIUM }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" }, |
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{ "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" }, |
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{ "slow", "hq 2 passes", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_SLOW }, 0, 0, VE, "preset" }, |
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{ "medium", "hq 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_MEDIUM }, 0, 0, VE, "preset" }, |
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{ "fast", "hp 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_FAST }, 0, 0, VE, "preset" }, |
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{ "hp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HP }, 0, 0, VE, "preset" }, |
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{ "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HQ }, 0, 0, VE, "preset" }, |
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{ "bd", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_BD }, 0, 0, VE, "preset" }, |
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{ "ll", "low latency", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_DEFAULT }, 0, 0, VE, "preset" }, |
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{ "llhq", "low latency hq", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HQ }, 0, 0, VE, "preset" }, |
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{ "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" }, |
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{ "lossless", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_DEFAULT }, 0, 0, VE, "preset" }, |
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{ "losslesshp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_HP }, 0, 0, VE, "preset" }, |
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{ "profile", "Set the encoding profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = NV_ENC_H264_PROFILE_MAIN }, NV_ENC_H264_PROFILE_BASELINE, NV_ENC_H264_PROFILE_HIGH_444P, VE, "profile" }, |
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{ "baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_BASELINE }, 0, 0, VE, "profile" }, |
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{ "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_MAIN }, 0, 0, VE, "profile" }, |
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{ "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH }, 0, 0, VE, "profile" }, |
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{ "high444p", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH_444P }, 0, 0, VE, "profile" }, |
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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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