2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
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7 * version 2.1 of the License, or (at your option) any later version.
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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.
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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 #ifdef NVENC_HAVE_NEW_PRESETS
30 { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_P4 }, PRESET_DEFAULT, PRESET_P7, VE, "preset" },
32 { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_MEDIUM }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" },
34 { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" },
35 { "slow", "hq 2 passes", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_SLOW }, 0, 0, VE, "preset" },
36 { "medium", "hq 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_MEDIUM }, 0, 0, VE, "preset" },
37 { "fast", "hp 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_FAST }, 0, 0, VE, "preset" },
38 { "hp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HP }, 0, 0, VE, "preset" },
39 { "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HQ }, 0, 0, VE, "preset" },
40 { "bd", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_BD }, 0, 0, VE, "preset" },
41 { "ll", "low latency", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_DEFAULT }, 0, 0, VE, "preset" },
42 { "llhq", "low latency hq", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HQ }, 0, 0, VE, "preset" },
43 { "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" },
44 { "lossless", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_DEFAULT }, 0, 0, VE, "preset" },
45 { "losslesshp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_HP }, 0, 0, VE, "preset" },
46 #ifdef NVENC_HAVE_NEW_PRESETS
47 { "p1", "fastest (lowest quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P1 }, 0, 0, VE, "preset" },
48 { "p2", "faster (lower quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P2 }, 0, 0, VE, "preset" },
49 { "p3", "fast (low quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P3 }, 0, 0, VE, "preset" },
50 { "p4", "medium (default)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P4 }, 0, 0, VE, "preset" },
51 { "p5", "slow (good quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P5 }, 0, 0, VE, "preset" },
52 { "p6", "slower (better quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P6 }, 0, 0, VE, "preset" },
53 { "p7", "slowest (best quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P7 }, 0, 0, VE, "preset" },
54 { "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_LOSSLESS, VE, "tune" },
55 { "hq", "High quality", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY }, 0, 0, VE, "tune" },
56 { "ll", "Low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOW_LATENCY }, 0, 0, VE, "tune" },
57 { "ull", "Ultra low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY }, 0, 0, VE, "tune" },
58 { "lossless", "Lossless", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOSSLESS }, 0, 0, VE, "tune" },
60 { "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" },
61 { "baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_BASELINE }, 0, 0, VE, "profile" },
62 { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_MAIN }, 0, 0, VE, "profile" },
63 { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH }, 0, 0, VE, "profile" },
64 { "high444p", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH_444P }, 0, 0, VE, "profile" },
65 { "level", "Set the encoding level restriction", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, NV_ENC_LEVEL_AUTOSELECT, NV_ENC_LEVEL_H264_51, VE, "level" },
66 { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, 0, 0, VE, "level" },
67 { "1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1 }, 0, 0, VE, "level" },
68 { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1 }, 0, 0, VE, "level" },
69 { "1b", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1b }, 0, 0, VE, "level" },
70 { "1.0b", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1b }, 0, 0, VE, "level" },
71 { "1.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_11 }, 0, 0, VE, "level" },
72 { "1.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_12 }, 0, 0, VE, "level" },
73 { "1.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_13 }, 0, 0, VE, "level" },
74 { "2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_2 }, 0, 0, VE, "level" },
75 { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_2 }, 0, 0, VE, "level" },
76 { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_21 }, 0, 0, VE, "level" },
77 { "2.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_22 }, 0, 0, VE, "level" },
78 { "3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_3 }, 0, 0, VE, "level" },
79 { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_3 }, 0, 0, VE, "level" },
80 { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_31 }, 0, 0, VE, "level" },
81 { "3.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_32 }, 0, 0, VE, "level" },
82 { "4", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_4 }, 0, 0, VE, "level" },
83 { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_4 }, 0, 0, VE, "level" },
84 { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_41 }, 0, 0, VE, "level" },
85 { "4.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_42 }, 0, 0, VE, "level" },
86 { "5", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_5 }, 0, 0, VE, "level" },
87 { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_5 }, 0, 0, VE, "level" },
88 { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_51 }, 0, 0, VE, "level" },
89 { "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "rc" },
90 { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, "rc" },
91 { "vbr", "Variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR }, 0, 0, VE, "rc" },
92 { "cbr", "Constant bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR }, 0, 0, VE, "rc" },
93 { "vbr_minqp", "Variable bitrate mode with MinQP (deprecated)", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR_MINQP) }, 0, 0, VE, "rc" },
94 { "ll_2pass_quality", "Multi-pass optimized for image quality (deprecated)",
95 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_2_PASS_QUALITY) }, 0, 0, VE, "rc" },
96 { "ll_2pass_size", "Multi-pass optimized for constant frame size (deprecated)",
97 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP) }, 0, 0, VE, "rc" },
98 { "vbr_2pass", "Multi-pass variable bitrate mode (deprecated)", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_2_PASS_VBR) }, 0, 0, VE, "rc" },
99 { "cbr_ld_hq", "Constant bitrate low delay high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ }, 0, 0, VE, "rc" },
100 { "cbr_hq", "Constant bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR_HQ }, 0, 0, VE, "rc" },
101 { "vbr_hq", "Variable bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR_HQ }, 0, 0, VE, "rc" },
102 { "rc-lookahead", "Number of frames to look ahead for rate-control",
103 OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
104 { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, MAX_REGISTERED_FRAMES, VE },
105 { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
106 { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
107 { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
108 OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE, "gpu" },
109 { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, "gpu" },
110 { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, "gpu" },
111 { "delay", "Delay frame output by the given amount of frames",
112 OFFSET(async_depth), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
113 { "no-scenecut", "When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts",
114 OFFSET(no_scenecut), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
115 { "forced-idr", "If forcing keyframes, force them as IDR frames.",
116 OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
117 { "b_adapt", "When lookahead is enabled, set this to 0 to disable adaptive B-frame decision",
118 OFFSET(b_adapt), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
119 { "spatial-aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
120 { "spatial_aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
121 { "temporal-aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
122 { "temporal_aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
123 { "zerolatency", "Set 1 to indicate zero latency operation (no reordering delay)",
124 OFFSET(zerolatency), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
125 { "nonref_p", "Set this to 1 to enable automatic insertion of non-reference P-frames",
126 OFFSET(nonref_p), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
127 { "strict_gop", "Set 1 to minimize GOP-to-GOP rate fluctuations",
128 OFFSET(strict_gop), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
129 { "aq-strength", "When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive)",
130 OFFSET(aq_strength), AV_OPT_TYPE_INT, { .i64 = 8 }, 1, 15, VE },
131 { "cq", "Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control",
132 OFFSET(quality), AV_OPT_TYPE_FLOAT, { .dbl = 0.}, 0., 51., VE },
133 { "aud", "Use access unit delimiters", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
134 { "bluray-compat", "Bluray compatibility workarounds", OFFSET(bluray_compat),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
135 { "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
136 { "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
137 { "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
138 { "qp", "Constant quantization parameter rate control method",
139 OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
140 { "weighted_pred","Set 1 to enable weighted prediction",
141 OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
142 { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 },-1, 2, VE, "coder" },
143 { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, VE, "coder" },
144 { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_AUTOSELECT }, 0, 0, VE, "coder" },
145 { "cabac", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CABAC }, 0, 0, VE, "coder" },
146 { "cavlc", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC }, 0, 0, VE, "coder" },
147 { "ac", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CABAC }, 0, 0, VE, "coder" },
148 { "vlc", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC }, 0, 0, VE, "coder" },
149 #ifdef NVENC_HAVE_BFRAME_REF_MODE
150 { "b_ref_mode", "Use B frames as references", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = NV_ENC_BFRAME_REF_MODE_DISABLED }, NV_ENC_BFRAME_REF_MODE_DISABLED, NV_ENC_BFRAME_REF_MODE_MIDDLE, VE, "b_ref_mode" },
151 { "disabled", "B frames will not be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_DISABLED }, 0, 0, VE, "b_ref_mode" },
152 { "each", "Each B frame will be used for reference", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_BFRAME_REF_MODE_EACH }, 0, 0, VE, "b_ref_mode" },
153 { "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, "b_ref_mode" },
155 { "b_ref_mode", "(not supported)", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE, "b_ref_mode" },
156 { "disabled", "", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, "b_ref_mode" },
157 { "each", "", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, VE, "b_ref_mode" },
158 { "middle", "", 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, VE, "b_ref_mode" },
160 { "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
161 { "dpb_size", "Specifies the DPB size used for encoding (0 means automatic)",
162 OFFSET(dpb_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
163 #ifdef NVENC_HAVE_MULTIPASS
164 { "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, "multipass" },
165 { "disabled", "Single Pass", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_MULTI_PASS_DISABLED }, 0, 0, VE, "multipass" },
166 { "qres", "Two Pass encoding is enabled where first Pass is quarter resolution",
167 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_QUARTER_RESOLUTION }, 0, 0, VE, "multipass" },
168 { "fullres", "Two Pass encoding is enabled where first Pass is full resolution",
169 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_FULL_RESOLUTION }, 0, 0, VE, "multipass" },
171 #ifdef NVENC_HAVE_LDKFS
172 { "ldkfs", "Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR",
173 OFFSET(ldkfs), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UCHAR_MAX, VE },
178 static const AVCodecDefault defaults[] = {
191 #if FF_API_NVENC_OLD_NAME
193 static av_cold int nvenc_old_init(AVCodecContext *avctx)
195 av_log(avctx, AV_LOG_WARNING, "This encoder is deprecated, use 'h264_nvenc' instead\n");
196 return ff_nvenc_encode_init(avctx);
199 #if CONFIG_NVENC_ENCODER
200 static const AVClass nvenc_class = {
201 .class_name = "nvenc",
202 .item_name = av_default_item_name,
204 .version = LIBAVUTIL_VERSION_INT,
207 AVCodec ff_nvenc_encoder = {
209 .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC H.264 encoder"),
210 .type = AVMEDIA_TYPE_VIDEO,
211 .id = AV_CODEC_ID_H264,
212 .init = nvenc_old_init,
213 .receive_packet = ff_nvenc_receive_packet,
214 .close = ff_nvenc_encode_close,
215 .flush = ff_nvenc_encode_flush,
216 .priv_data_size = sizeof(NvencContext),
217 .priv_class = &nvenc_class,
218 .defaults = defaults,
219 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
220 AV_CODEC_CAP_ENCODER_FLUSH,
221 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
222 .pix_fmts = ff_nvenc_pix_fmts,
223 .wrapper_name = "nvenc",
224 .hw_configs = ff_nvenc_hw_configs,
228 /* Add an alias for nvenc_h264 */
229 #if CONFIG_NVENC_H264_ENCODER
230 static const AVClass nvenc_h264_class = {
231 .class_name = "nvenc_h264",
232 .item_name = av_default_item_name,
234 .version = LIBAVUTIL_VERSION_INT,
237 AVCodec ff_nvenc_h264_encoder = {
238 .name = "nvenc_h264",
239 .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC H.264 encoder"),
240 .type = AVMEDIA_TYPE_VIDEO,
241 .id = AV_CODEC_ID_H264,
242 .init = nvenc_old_init,
243 .receive_packet = ff_nvenc_receive_packet,
244 .close = ff_nvenc_encode_close,
245 .flush = ff_nvenc_encode_flush,
246 .priv_data_size = sizeof(NvencContext),
247 .priv_class = &nvenc_h264_class,
248 .defaults = defaults,
249 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
250 AV_CODEC_CAP_ENCODER_FLUSH,
251 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
252 .pix_fmts = ff_nvenc_pix_fmts,
253 .wrapper_name = "nvenc",
254 .hw_configs = ff_nvenc_hw_configs,
260 static const AVClass h264_nvenc_class = {
261 .class_name = "h264_nvenc",
262 .item_name = av_default_item_name,
264 .version = LIBAVUTIL_VERSION_INT,
267 AVCodec ff_h264_nvenc_encoder = {
268 .name = "h264_nvenc",
269 .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC H.264 encoder"),
270 .type = AVMEDIA_TYPE_VIDEO,
271 .id = AV_CODEC_ID_H264,
272 .init = ff_nvenc_encode_init,
273 .receive_packet = ff_nvenc_receive_packet,
274 .close = ff_nvenc_encode_close,
275 .flush = ff_nvenc_encode_flush,
276 .priv_data_size = sizeof(NvencContext),
277 .priv_class = &h264_nvenc_class,
278 .defaults = defaults,
279 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
280 AV_CODEC_CAP_ENCODER_FLUSH,
281 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
282 .pix_fmts = ff_nvenc_pix_fmts,
283 .wrapper_name = "nvenc",
284 .hw_configs = ff_nvenc_hw_configs,