FFmpeg
nvenc_hevc.c
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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 "codec_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
28 static const AVOption options[] = {
29  { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_P4 }, PRESET_SLOW, PRESET_P7, VE, .unit = "preset" },
30  { "slow", "hq 2 passes", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_SLOW }, 0, 0, VE, .unit = "preset" },
31  { "medium", "hq 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_MEDIUM }, 0, 0, VE, .unit = "preset" },
32  { "fast", "hp 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_FAST }, 0, 0, VE, .unit = "preset" },
33  { "p1", "fastest (lowest quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P1 }, 0, 0, VE, .unit = "preset" },
34  { "p2", "faster (lower quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P2 }, 0, 0, VE, .unit = "preset" },
35  { "p3", "fast (low quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P3 }, 0, 0, VE, .unit = "preset" },
36  { "p4", "medium (default)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P4 }, 0, 0, VE, .unit = "preset" },
37  { "p5", "slow (good quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P5 }, 0, 0, VE, .unit = "preset" },
38  { "p6", "slower (better quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P6 }, 0, 0, VE, .unit = "preset" },
39  { "p7", "slowest (best quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P7 }, 0, 0, VE, .unit = "preset" },
40  { "tune", "Set the encoding tuning info", OFFSET(tuning_info), AV_OPT_TYPE_INT, { .i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY }, NV_ENC_TUNING_INFO_HIGH_QUALITY, NV_ENC_TUNING_INFO_COUNT - 1, VE, .unit = "tune" },
41  { "hq", "High quality", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY }, 0, 0, VE, .unit = "tune" },
42 #ifdef NVENC_HAVE_UHQ_TUNING
43  { "uhq", "Ultra high quality", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_ULTRA_HIGH_QUALITY }, 0, 0, VE, .unit = "tune" },
44 #endif
45  { "ll", "Low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOW_LATENCY }, 0, 0, VE, .unit = "tune" },
46  { "ull", "Ultra low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY }, 0, 0, VE, .unit = "tune" },
47  { "lossless", "Lossless", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOSSLESS }, 0, 0, VE, .unit = "tune" },
48  { "profile", "Set the encoding profile", OFFSET(profile), AV_OPT_TYPE_INT, { .i64 = NV_ENC_HEVC_PROFILE_MAIN }, NV_ENC_HEVC_PROFILE_MAIN, NV_ENC_HEVC_PROFILE_COUNT - 1, VE, .unit = "profile" },
49  { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_MAIN }, 0, 0, VE, .unit = "profile" },
50  { "main10", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_MAIN_10 }, 0, 0, VE, .unit = "profile" },
51  { "rext", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_REXT }, 0, 0, VE, .unit = "profile" },
52 #ifdef NVENC_HAVE_MVHEVC
53  { "mv", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_MULTIVIEW_MAIN }, 0, 0, VE, .unit = "profile" },
54 #endif
55  { "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, .unit = "level" },
56  { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, 0, 0, VE, .unit = "level" },
57  { "1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_1 }, 0, 0, VE, .unit = "level" },
58  { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_1 }, 0, 0, VE, .unit = "level" },
59  { "2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_2 }, 0, 0, VE, .unit = "level" },
60  { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_2 }, 0, 0, VE, .unit = "level" },
61  { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_21 }, 0, 0, VE, .unit = "level" },
62  { "3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_3 }, 0, 0, VE, .unit = "level" },
63  { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_3 }, 0, 0, VE, .unit = "level" },
64  { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_31 }, 0, 0, VE, .unit = "level" },
65  { "4", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_4 }, 0, 0, VE, .unit = "level" },
66  { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_4 }, 0, 0, VE, .unit = "level" },
67  { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_41 }, 0, 0, VE, .unit = "level" },
68  { "5", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_5 }, 0, 0, VE, .unit = "level" },
69  { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_5 }, 0, 0, VE, .unit = "level" },
70  { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_51 }, 0, 0, VE, .unit = "level" },
71  { "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_52 }, 0, 0, VE, .unit = "level" },
72  { "6", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_6 }, 0, 0, VE, .unit = "level" },
73  { "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_6 }, 0, 0, VE, .unit = "level" },
74  { "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_61 }, 0, 0, VE, .unit = "level" },
75  { "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_HEVC_62 }, 0, 0, VE, .unit = "level" },
76  { "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, .unit = "tier"},
77  { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_HEVC_MAIN }, 0, 0, VE, .unit = "tier" },
78  { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_HEVC_HIGH }, 0, 0, VE, .unit = "tier" },
79  { "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, .unit = "rc" },
80  { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, .unit = "rc" },
81  { "vbr", "Variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR }, 0, 0, VE, .unit = "rc" },
82  { "cbr", "Constant bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR }, 0, 0, VE, .unit = "rc" },
83  { "rc-lookahead", "Number of frames to look ahead for rate-control",
84  OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
85  { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, MAX_REGISTERED_FRAMES, VE },
86  { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
87  OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE, .unit = "gpu" },
88  { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, .unit = "gpu" },
89  { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, .unit = "gpu" },
90  { "rgb_mode", "Configure how nvenc handles packed RGB input.",
91  OFFSET(rgb_mode), AV_OPT_TYPE_INT, { .i64 = NVENC_RGB_MODE_420 }, 0, INT_MAX, VE, .unit = "rgb_mode" },
92  { "yuv420", "Convert to yuv420", 0, AV_OPT_TYPE_CONST, { .i64 = NVENC_RGB_MODE_420 }, 0, 0, VE, .unit = "rgb_mode" },
93  { "yuv444", "Convert to yuv444", 0, AV_OPT_TYPE_CONST, { .i64 = NVENC_RGB_MODE_444 }, 0, 0, VE, .unit = "rgb_mode" },
94  { "disabled", "Disables support, throws an error.", 0, AV_OPT_TYPE_CONST, { .i64 = NVENC_RGB_MODE_DISABLED }, 0, 0, VE, .unit = "rgb_mode" },
95  { "delay", "Delay frame output by the given amount of frames",
96  OFFSET(async_depth), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
97  { "no-scenecut", "When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts",
98  OFFSET(no_scenecut), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
99  { "forced-idr", "If forcing keyframes, force them as IDR frames.",
100  OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
101  { "b_adapt", "When lookahead is enabled, set this to 0 to disable adaptive B-frame decision",
102  OFFSET(b_adapt), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
103  { "spatial-aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
104  { "temporal-aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
105  { "zerolatency", "Set 1 to indicate zero latency operation (no reordering delay)",
106  OFFSET(zerolatency), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
107  { "nonref_p", "Set this to 1 to enable automatic insertion of non-reference P-frames",
108  OFFSET(nonref_p), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
109  { "strict_gop", "Set 1 to minimize GOP-to-GOP rate fluctuations",
110  OFFSET(strict_gop), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
111  { "aq-strength", "When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive)",
112  OFFSET(aq_strength), AV_OPT_TYPE_INT, { .i64 = 8 }, 1, 15, VE },
113  { "cq", "Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control",
114  OFFSET(quality), AV_OPT_TYPE_FLOAT, { .dbl = 0.}, 0., 51., VE },
115  { "aud", "Use access unit delimiters", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
116  { "bluray-compat", "Bluray compatibility workarounds", OFFSET(bluray_compat),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
117  { "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
118  { "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
119  { "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
120  { "qp", "Constant quantization parameter rate control method",
121  OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
122  { "qp_cb_offset", "Quantization parameter offset for cb channel",
123  OFFSET(qp_cb_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
124  { "qp_cr_offset", "Quantization parameter offset for cr channel",
125  OFFSET(qp_cr_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
126  { "qmin", "Specifies the minimum QP used for rate control",
127  OFFSET(qmin), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
128  { "qmax", "Specifies the maximum QP used for rate control",
129  OFFSET(qmax), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
130  { "weighted_pred","Set 1 to enable weighted prediction",
131  OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
132  { "b_ref_mode", "Use B frames as references", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, NV_ENC_BFRAME_REF_MODE_MIDDLE, VE, .unit = "b_ref_mode" },
133  { "disabled", "B frames will not be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_DISABLED }, 0, 0, VE, .unit = "b_ref_mode" },
134  { "each", "Each B frame will be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_EACH }, 0, 0, VE, .unit = "b_ref_mode" },
135  { "middle", "Only (number of B frames)/2 will be used for reference", 0,AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_MIDDLE }, 0, 0, VE, .unit = "b_ref_mode" },
136  { "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
137  { "s12m_tc", "Use timecode (if available)", OFFSET(s12m_tc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
138  { "dpb_size", "Specifies the DPB size used for encoding (0 means automatic)",
139  OFFSET(dpb_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
140  { "multipass", "Set the multipass encoding", OFFSET(multipass), AV_OPT_TYPE_INT, { .i64 = NV_ENC_MULTI_PASS_DISABLED }, NV_ENC_MULTI_PASS_DISABLED, NV_ENC_TWO_PASS_FULL_RESOLUTION, VE, .unit = "multipass" },
141  { "disabled", "Single Pass", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_MULTI_PASS_DISABLED }, 0, 0, VE, .unit = "multipass" },
142  { "qres", "Two Pass encoding is enabled where first Pass is quarter resolution",
143  0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_QUARTER_RESOLUTION }, 0, 0, VE, .unit = "multipass" },
144  { "fullres", "Two Pass encoding is enabled where first Pass is full resolution",
145  0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_FULL_RESOLUTION }, 0, 0, VE, .unit = "multipass" },
146 #ifdef NVENC_HAVE_NEW_BIT_DEPTH_API
147  { "highbitdepth", "Enable 10 bit encode for 8 bit input",OFFSET(highbitdepth),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
148 #endif
149  { "ldkfs", "Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR",
150  OFFSET(ldkfs), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UCHAR_MAX, VE },
151  { "extra_sei", "Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream",
152  OFFSET(extra_sei), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
153  { "udu_sei", "Pass on user data unregistered SEI if available",
154  OFFSET(udu_sei), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
155  { "intra-refresh","Use Periodic Intra Refresh instead of IDR frames",
156  OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
157  { "single-slice-intra-refresh", "Use single slice intra refresh",
158  OFFSET(single_slice_intra_refresh), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
159  { "max_slice_size", "Maximum encoded slice size in bytes",
160  OFFSET(max_slice_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
161  { "constrained-encoding", "Enable constrainedFrame encoding where each slice in the constrained picture is independent of other slices",
162  OFFSET(constrained_encoding), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
163  { "cbr_padding", "Pad the bitstream to ensure bitrate does not drop below the target in CBR mode",
164  OFFSET(cbr_padding), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
165 #ifdef NVENC_HAVE_TEMPORAL_FILTER
166  { "tf_level", "Specifies the strength of the temporal filtering",
167  OFFSET(tf_level), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, .unit = "tf_level" },
168  { "0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TEMPORAL_FILTER_LEVEL_0 }, 0, 0, VE, .unit = "tf_level" },
169  { "4", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TEMPORAL_FILTER_LEVEL_4 }, 0, 0, VE, .unit = "tf_level" },
170 #endif
171 #ifdef NVENC_HAVE_LOOKAHEAD_LEVEL
172  { "lookahead_level", "Specifies the lookahead level. Higher level may improve quality at the expense of performance.",
173  OFFSET(lookahead_level), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, NV_ENC_LOOKAHEAD_LEVEL_AUTOSELECT, VE, .unit = "lookahead_level" },
174  { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_AUTOSELECT }, 0, 0, VE, .unit = "lookahead_level" },
175  { "0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_0 }, 0, 0, VE, .unit = "lookahead_level" },
176  { "1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_1 }, 0, 0, VE, .unit = "lookahead_level" },
177  { "2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_2 }, 0, 0, VE, .unit = "lookahead_level" },
178  { "3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_3 }, 0, 0, VE, .unit = "lookahead_level" },
179 #endif
180 #ifdef NVENC_HAVE_UNIDIR_B
181  { "unidir_b", "Enable use of unidirectional B-Frames.", OFFSET(unidir_b), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
182 #endif
183 #ifdef NVENC_HAVE_SPLIT_FRAME_ENCODING
184  { "split_encode_mode", "Specifies the split encoding mode", OFFSET(split_encode_mode), AV_OPT_TYPE_INT, { .i64 = NV_ENC_SPLIT_AUTO_MODE }, 0, NV_ENC_SPLIT_DISABLE_MODE, VE, .unit = "split_encode_mode" },
185  { "disabled", "Disabled for all configurations", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_SPLIT_DISABLE_MODE }, 0, 0, VE, .unit = "split_encode_mode" },
186  { "auto", "Enabled or disabled depending on the preset and tuning info", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_SPLIT_AUTO_MODE }, 0, 0, VE, .unit = "split_encode_mode" },
187  { "forced", "Enabled with number of horizontal strips selected by the driver", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_SPLIT_AUTO_FORCED_MODE }, 0, 0, VE, .unit = "split_encode_mode" },
188  { "2", "Enabled with number of horizontal strips forced to 2 when number of NVENCs > 1", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_SPLIT_TWO_FORCED_MODE }, 0, 0, VE, .unit = "split_encode_mode" },
189  { "3", "Enabled with number of horizontal strips forced to 3 when number of NVENCs > 2", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_SPLIT_THREE_FORCED_MODE }, 0, 0, VE, .unit = "split_encode_mode" },
190 #ifdef NVENC_HAVE_SFE_FOUR_WAYS_SUPPORT
191  { "4", "Enabled with number of horizontal strips forced to 4 when number of NVENCs > 3", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_SPLIT_FOUR_FORCED_MODE }, 0, 0, VE, .unit = "split_encode_mode" },
192 #endif
193 #endif
194  { NULL }
195 };
196 
197 static const FFCodecDefault defaults[] = {
198  { "b", "2M" },
199  { "qmin", "-1" },
200  { "qmax", "-1" },
201  { "qdiff", "-1" },
202  { "qblur", "-1" },
203  { "qcomp", "-1" },
204  { "g", "-1" },
205  { "bf", "-1" },
206  { "refs", "0" },
207  { NULL },
208 };
209 
210 static const AVClass hevc_nvenc_class = {
211  .class_name = "hevc_nvenc",
212  .item_name = av_default_item_name,
213  .option = options,
214  .version = LIBAVUTIL_VERSION_INT,
215 };
216 
217 const FFCodec ff_hevc_nvenc_encoder = {
218  .p.name = "hevc_nvenc",
219  CODEC_LONG_NAME("NVIDIA NVENC hevc encoder"),
220  .p.type = AVMEDIA_TYPE_VIDEO,
221  .p.id = AV_CODEC_ID_HEVC,
222  .init = ff_nvenc_encode_init,
223  FF_CODEC_RECEIVE_PACKET_CB(ff_nvenc_receive_packet),
224  .close = ff_nvenc_encode_close,
225  .flush = ff_nvenc_encode_flush,
226  .priv_data_size = sizeof(NvencContext),
227  .p.priv_class = &hevc_nvenc_class,
228  .defaults = defaults,
229  CODEC_PIXFMTS_ARRAY(ff_nvenc_pix_fmts),
230  .color_ranges = AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG,
231  .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
232  AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1 |
233  AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
234  .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
235  FF_CODEC_CAP_INIT_CLEANUP,
236  .p.wrapper_name = "nvenc",
237  .hw_configs = ff_nvenc_hw_configs,
238 };
hevc_nvenc_class
static const AVClass hevc_nvenc_class
Definition: nvenc_hevc.c:210
level
uint8_t level
Definition: svq3.c:208
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: codec_internal.h:43
PRESET_P6
@ PRESET_P6
Definition: nvenc.h:122
NV_ENC_HEVC_PROFILE_MAIN
@ NV_ENC_HEVC_PROFILE_MAIN
Definition: nvenc.h:140
AV_CODEC_CAP_HARDWARE
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
Definition: codec.h:127
NvencContext
Definition: nvenc.h:168
AVCOL_RANGE_JPEG
@ AVCOL_RANGE_JPEG
Full range content.
Definition: pixfmt.h:777
AVOption
AVOption.
Definition: opt.h:428
FF_CODEC_CAP_NOT_INIT_THREADSAFE
#define FF_CODEC_CAP_NOT_INIT_THREADSAFE
The codec is not known to be init-threadsafe (i.e.
Definition: codec_internal.h:35
FFCodec
Definition: codec_internal.h:127
ff_nvenc_pix_fmts
enum AVPixelFormat ff_nvenc_pix_fmts[]
Definition: nvenc.c:53
NVENC_RGB_MODE_444
@ NVENC_RGB_MODE_444
Definition: nvenc.h:165
ff_nvenc_encode_flush
av_cold void ff_nvenc_encode_flush(AVCodecContext *avctx)
Definition: nvenc.c:3178
quality
trying all byte sequences megabyte in length and selecting the best looking sequence will yield cases to try But a word about quality
Definition: rate_distortion.txt:12
PRESET_P5
@ PRESET_P5
Definition: nvenc.h:121
nvenc.h
FFCodecDefault
Definition: codec_internal.h:97
FFCodec::p
AVCodec p
The public AVCodec.
Definition: codec_internal.h:131
NVENC_RGB_MODE_420
@ NVENC_RGB_MODE_420
Definition: nvenc.h:164
ANY_DEVICE
@ ANY_DEVICE
Definition: nvenc.h:159
NV_ENC_HEVC_PROFILE_COUNT
@ NV_ENC_HEVC_PROFILE_COUNT
Definition: nvenc.h:147
AV_CODEC_CAP_ENCODER_FLUSH
#define AV_CODEC_CAP_ENCODER_FLUSH
This encoder can be flushed using avcodec_flush_buffers().
Definition: codec.h:148
PRESET_P7
@ PRESET_P7
Definition: nvenc.h:123
preset
preset
Definition: vf_curves.c:47
PRESET_SLOW
@ PRESET_SLOW
Definition: nvenc.h:114
PRESET_FAST
@ PRESET_FAST
Definition: nvenc.h:116
ff_nvenc_encode_init
av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
Definition: nvenc.c:2096
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE
#define AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE
This encoder can reorder user opaque values from input AVFrames and return them with corresponding ou...
Definition: codec.h:141
tier
int tier
Definition: av1_levels.c:48
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition: codec_internal.h:349
dpb_size
int dpb_size
Definition: h264_levels.c:111
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:76
NULL
#define NULL
Definition: coverity.c:32
ff_hevc_nvenc_encoder
const FFCodec ff_hevc_nvenc_encoder
Definition: nvenc_hevc.c:217
CODEC_PIXFMTS_ARRAY
#define CODEC_PIXFMTS_ARRAY(array)
Definition: codec_internal.h:402
FF_CODEC_RECEIVE_PACKET_CB
#define FF_CODEC_RECEIVE_PACKET_CB(func)
Definition: codec_internal.h:384
ff_nvenc_encode_close
av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
Definition: nvenc.c:2011
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:242
options
Definition: swscale.c:50
OFFSET
#define OFFSET(x)
Definition: nvenc_hevc.c:26
NVENC_RGB_MODE_DISABLED
@ NVENC_RGB_MODE_DISABLED
Definition: nvenc.h:163
aud
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
Definition: cbs_h264_syntax_template.c:875
NV_ENC_HEVC_PROFILE_REXT
@ NV_ENC_HEVC_PROFILE_REXT
Definition: nvenc.h:142
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:49
codec_internal.h
ff_nvenc_hw_configs
const AVCodecHWConfigInternal *const ff_nvenc_hw_configs[]
Definition: nvenc.c:85
MAX_REGISTERED_FRAMES
#define MAX_REGISTERED_FRAMES
Definition: nvenc.h:41
LIST_DEVICES
@ LIST_DEVICES
Definition: nvenc.h:158
ff_nvenc_receive_packet
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
Definition: nvenc.c:3127
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Underlying C type is float.
Definition: opt.h:270
internal.h
PRESET_P2
@ PRESET_P2
Definition: nvenc.h:118
PRESET_P4
@ PRESET_P4
Definition: nvenc.h:120
PRESET_P1
@ PRESET_P1
Definition: nvenc.h:117
AV_CODEC_ID_HEVC
@ AV_CODEC_ID_HEVC
Definition: codec_id.h:223
AVCodec::name
const char * name
Name of the codec implementation.
Definition: codec.h:176
profile
int profile
Definition: mxfenc.c:2299
PRESET_MEDIUM
@ PRESET_MEDIUM
Definition: nvenc.h:115
AVCOL_RANGE_MPEG
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
Definition: pixfmt.h:760
avcodec.h
AVClass::class_name
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:81
defaults
static const FFCodecDefault defaults[]
Definition: nvenc_hevc.c:197
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition: opt.h:258
AV_CODEC_CAP_DELAY
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: codec.h:73
Windows::Graphics::DirectX::Direct3D11::p
IDirect3DDxgiInterfaceAccess _COM_Outptr_ void ** p
Definition: vsrc_gfxcapture_winrt.hpp:53
VE
#define VE
Definition: nvenc_hevc.c:27
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:200
NV_ENC_HEVC_PROFILE_MAIN_10
@ NV_ENC_HEVC_PROFILE_MAIN_10
Definition: nvenc.h:141
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
Definition: opt.h:326
options
static const AVOption options[]
Definition: nvenc_hevc.c:28
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Special option type for declaring named constants.
Definition: opt.h:298
PRESET_P3
@ PRESET_P3
Definition: nvenc.h:119
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