2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #include "libavutil/internal.h"
26 #define OFFSET(x) offsetof(NvencContext, x)
27 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
28 static const AVOption options[] = {
29 { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_MEDIUM }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" },
30 { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" },
31 { "slow", "hq 2 passes", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_SLOW }, 0, 0, VE, "preset" },
32 { "medium", "hq 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_MEDIUM }, 0, 0, VE, "preset" },
33 { "fast", "hp 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_FAST }, 0, 0, VE, "preset" },
34 { "hp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HP }, 0, 0, VE, "preset" },
35 { "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HQ }, 0, 0, VE, "preset" },
36 { "bd", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_BD }, 0, 0, VE, "preset" },
37 { "ll", "low latency", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_DEFAULT }, 0, 0, VE, "preset" },
38 { "llhq", "low latency hq", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HQ }, 0, 0, VE, "preset" },
39 { "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" },
40 { "lossless", "lossless", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_DEFAULT }, 0, 0, VE, "preset" },
41 { "losslesshp", "lossless hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_HP }, 0, 0, VE, "preset" },
42 { "profile", "Set the encoding profile (high, main, baseline or high444p)", OFFSET(profile), AV_OPT_TYPE_STRING, { .str = "main" }, 0, 0, VE },
43 { "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 },
44 { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { .str = "main" }, 0, 0, VE },
45 { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
46 { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
47 { "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 },
48 { "delay", "Delays frame output by the given amount of frames.", OFFSET(buffer_delay), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
52 static const AVClass nvenc_hevc_class = {
53 .class_name = "nvenc_hevc",
54 .item_name = av_default_item_name,
56 .version = LIBAVUTIL_VERSION_INT,
59 static const AVCodecDefault defaults[] = {
71 AVCodec ff_nvenc_hevc_encoder = {
73 .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"),
74 .type = AVMEDIA_TYPE_VIDEO,
75 .id = AV_CODEC_ID_HEVC,
76 .init = ff_nvenc_encode_init,
77 .encode2 = ff_nvenc_encode_frame,
78 .close = ff_nvenc_encode_close,
79 .priv_data_size = sizeof(NvencContext),
80 .priv_class = &nvenc_hevc_class,
82 .pix_fmts = ff_nvenc_pix_fmts,
83 .capabilities = AV_CODEC_CAP_DELAY,