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path: root/libavcodec/nvenc_hevc.c (plain)
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1/*
2 * This file is part of FFmpeg.
3 *
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.
8 *
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.
13 *
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
17 */
18
19#include "libavutil/internal.h"
20
21#include "avcodec.h"
22#include "internal.h"
23
24#include "nvenc.h"
25
26#define OFFSET(x) offsetof(NvencContext, x)
27#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
28static 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", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = NV_ENC_HEVC_PROFILE_MAIN }, NV_ENC_HEVC_PROFILE_MAIN, FF_PROFILE_HEVC_REXT, VE, "profile" },
43 { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_MAIN }, 0, 0, VE, "profile" },
44 { "main10", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_MAIN_10 }, 0, 0, VE, "profile" },
45 { "rext", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_REXT }, 0, 0, VE, "profile" },
46 { "level", "Set the encoding level restriction", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, NV_ENC_LEVEL_AUTOSELECT, NV_ENC_LEVEL_HEVC_62, VE, "level" },
47 { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, 0, 0, VE, "level" },
48 { "1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_1 }, 0, 0, VE, "level" },
49 { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_1 }, 0, 0, VE, "level" },
50 { "2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_2 }, 0, 0, VE, "level" },
51 { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_2 }, 0, 0, VE, "level" },
52 { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_21 }, 0, 0, VE, "level" },
53 { "3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_3 }, 0, 0, VE, "level" },
54 { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_3 }, 0, 0, VE, "level" },
55 { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_31 }, 0, 0, VE, "level" },
56 { "4", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_4 }, 0, 0, VE, "level" },
57 { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_4 }, 0, 0, VE, "level" },
58 { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_41 }, 0, 0, VE, "level" },
59 { "5", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_5 }, 0, 0, VE, "level" },
60 { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_5 }, 0, 0, VE, "level" },
61 { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_51 }, 0, 0, VE, "level" },
62 { "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_52 }, 0, 0, VE, "level" },
63 { "6", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_6 }, 0, 0, VE, "level" },
64 { "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_6 }, 0, 0, VE, "level" },
65 { "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_61 }, 0, 0, VE, "level" },
66 { "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_62 }, 0, 0, VE, "level" },
67 { "tier", "Set the encoding tier", OFFSET(tier), AV_OPT_TYPE_INT, { .i64 = NV_ENC_TIER_HEVC_MAIN }, NV_ENC_TIER_HEVC_MAIN, NV_ENC_TIER_HEVC_HIGH, VE, "tier"},
68 { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_HEVC_MAIN }, 0, 0, VE, "tier" },
69 { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_HEVC_HIGH }, 0, 0, VE, "tier" },
70 { "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "rc" },
71 { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, "rc" },
72 { "vbr", "Variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR }, 0, 0, VE, "rc" },
73 { "cbr", "Constant bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR }, 0, 0, VE, "rc" },
74 { "vbr_minqp", "Variable bitrate mode with MinQP", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR_MINQP }, 0, 0, VE, "rc" },
75 { "ll_2pass_quality", "Multi-pass optimized for image quality (only for low-latency presets)",
76 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_QUALITY }, 0, 0, VE, "rc" },
77 { "ll_2pass_size", "Multi-pass optimized for constant frame size (only for low-latency presets)",
78 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP }, 0, 0, VE, "rc" },
79 { "vbr_2pass", "Multi-pass variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_2_PASS_VBR }, 0, 0, VE, "rc" },
80 { "rc-lookahead", "Number of frames to look ahead for rate-control",
81 OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
82 { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, MAX_REGISTERED_FRAMES, VE },
83 { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
84 { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
85 { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
86 OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE, "gpu" },
87 { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, "gpu" },
88 { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, "gpu" },
89 { "delay", "Delay frame output by the given amount of frames",
90 OFFSET(async_depth), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
91 { "no-scenecut", "When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts",
92 OFFSET(no_scenecut), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
93 { "forced-idr", "If forcing keyframes, force them as IDR frames.",
94 OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
95 { "spatial_aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
96 { "temporal_aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
97 { "zerolatency", "Set 1 to indicate zero latency operation (no reordering delay)",
98 OFFSET(zerolatency), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
99 { "nonref_p", "Set this to 1 to enable automatic insertion of non-reference P-frames",
100 OFFSET(nonref_p), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
101 { "strict_gop", "Set 1 to minimize GOP-to-GOP rate fluctuations",
102 OFFSET(strict_gop), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
103 { "aq-strength", "When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive)",
104 OFFSET(aq_strength), AV_OPT_TYPE_INT, { .i64 = 8 }, 1, 15, VE },
105 { "cq", "Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control",
106 OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 51, VE },
107 { "aud", "Use access unit delimiters", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
108 { "bluray-compat", "Bluray compatibility workarounds", OFFSET(bluray_compat),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
109 { "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
110 { "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
111 { "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
112 { "qp", "Constant quantization parameter rate control method",
113 OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
114 { NULL }
115};
116
117static const AVCodecDefault defaults[] = {
118 { "b", "2M" },
119 { "qmin", "-1" },
120 { "qmax", "-1" },
121 { "qdiff", "-1" },
122 { "qblur", "-1" },
123 { "qcomp", "-1" },
124 { "g", "250" },
125 { "bf", "0" },
126 { NULL },
127};
128
129#if FF_API_NVENC_OLD_NAME
130
131static av_cold int nvenc_old_init(AVCodecContext *avctx)
132{
133 av_log(avctx, AV_LOG_WARNING, "This encoder is deprecated, use 'hevc_nvenc' instead\n");
134 return ff_nvenc_encode_init(avctx);
135}
136
137static const AVClass nvenc_hevc_class = {
138 .class_name = "nvenc_hevc",
139 .item_name = av_default_item_name,
140 .option = options,
141 .version = LIBAVUTIL_VERSION_INT,
142};
143
144AVCodec ff_nvenc_hevc_encoder = {
145 .name = "nvenc_hevc",
146 .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"),
147 .type = AVMEDIA_TYPE_VIDEO,
148 .id = AV_CODEC_ID_HEVC,
149 .init = nvenc_old_init,
150 .encode2 = ff_nvenc_encode_frame,
151 .close = ff_nvenc_encode_close,
152 .priv_data_size = sizeof(NvencContext),
153 .priv_class = &nvenc_hevc_class,
154 .defaults = defaults,
155 .pix_fmts = ff_nvenc_pix_fmts,
156 .capabilities = AV_CODEC_CAP_DELAY,
157 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
158};
159
160#endif
161
162static const AVClass hevc_nvenc_class = {
163 .class_name = "hevc_nvenc",
164 .item_name = av_default_item_name,
165 .option = options,
166 .version = LIBAVUTIL_VERSION_INT,
167};
168
169AVCodec ff_hevc_nvenc_encoder = {
170 .name = "hevc_nvenc",
171 .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"),
172 .type = AVMEDIA_TYPE_VIDEO,
173 .id = AV_CODEC_ID_HEVC,
174 .init = ff_nvenc_encode_init,
175 .encode2 = ff_nvenc_encode_frame,
176 .close = ff_nvenc_encode_close,
177 .priv_data_size = sizeof(NvencContext),
178 .priv_class = &hevc_nvenc_class,
179 .defaults = defaults,
180 .pix_fmts = ff_nvenc_pix_fmts,
181 .capabilities = AV_CODEC_CAP_DELAY,
182 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
183};
184
generated by cgit at 2024-05-17 03:08:14 (GMT)