FFmpeg
nvenc_av1.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_DEFAULT, PRESET_P7, 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  { "p1", "fastest (lowest quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P1 }, 0, 0, VE, "preset" },
35  { "p2", "faster (lower quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P2 }, 0, 0, VE, "preset" },
36  { "p3", "fast (low quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P3 }, 0, 0, VE, "preset" },
37  { "p4", "medium (default)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P4 }, 0, 0, VE, "preset" },
38  { "p5", "slow (good quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P5 }, 0, 0, VE, "preset" },
39  { "p6", "slower (better quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P6 }, 0, 0, VE, "preset" },
40  { "p7", "slowest (best quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P7 }, 0, 0, VE, "preset" },
41  { "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" },
42  { "hq", "High quality", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY }, 0, 0, VE, "tune" },
43  { "ll", "Low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOW_LATENCY }, 0, 0, VE, "tune" },
44  { "ull", "Ultra low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY }, 0, 0, VE, "tune" },
45  { "lossless", "Lossless", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOSSLESS }, 0, 0, VE, "tune" },
46  { "level", "Set the encoding level restriction", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = NV_ENC_LEVEL_AV1_AUTOSELECT }, NV_ENC_LEVEL_AV1_2, NV_ENC_LEVEL_AV1_AUTOSELECT, VE, "level" },
47  { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_AUTOSELECT }, 0, 0, VE, "level" },
48  { "2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_2 }, 0, 0, VE, "level" },
49  { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_2 }, 0, 0, VE, "level" },
50  { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_21 }, 0, 0, VE, "level" },
51  { "2.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_22 }, 0, 0, VE, "level" },
52  { "2.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_23 }, 0, 0, VE, "level" },
53  { "3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_3 }, 0, 0, VE, "level" },
54  { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_3 }, 0, 0, VE, "level" },
55  { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_31 }, 0, 0, VE, "level" },
56  { "3.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_32 }, 0, 0, VE, "level" },
57  { "3.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_33 }, 0, 0, VE, "level" },
58  { "4", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_4 }, 0, 0, VE, "level" },
59  { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_4 }, 0, 0, VE, "level" },
60  { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_41 }, 0, 0, VE, "level" },
61  { "4.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_42 }, 0, 0, VE, "level" },
62  { "4.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_43 }, 0, 0, VE, "level" },
63  { "5", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_5 }, 0, 0, VE, "level" },
64  { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_5 }, 0, 0, VE, "level" },
65  { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_51 }, 0, 0, VE, "level" },
66  { "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_52 }, 0, 0, VE, "level" },
67  { "5.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_53 }, 0, 0, VE, "level" },
68  { "6", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_6 }, 0, 0, VE, "level" },
69  { "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_6 }, 0, 0, VE, "level" },
70  { "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_61 }, 0, 0, VE, "level" },
71  { "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_62 }, 0, 0, VE, "level" },
72  { "6.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_63 }, 0, 0, VE, "level" },
73  { "7", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_7 }, 0, 0, VE, "level" },
74  { "7.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_7 }, 0, 0, VE, "level" },
75  { "7.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_71 }, 0, 0, VE, "level" },
76  { "7.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_72 }, 0, 0, VE, "level" },
77  { "7.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AV1_73 }, 0, 0, VE, "level" },
78  { "tier", "Set the encoding tier", OFFSET(tier), AV_OPT_TYPE_INT, { .i64 = NV_ENC_TIER_AV1_0 }, NV_ENC_TIER_AV1_0, NV_ENC_TIER_AV1_1, VE, "tier"},
79  { "0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_AV1_0 }, 0, 0, VE, "tier" },
80  { "1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TIER_AV1_1 }, 0, 0, VE, "tier" },
81  { "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "rc" },
82  { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, "rc" },
83  { "vbr", "Variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR }, 0, 0, VE, "rc" },
84  { "cbr", "Constant bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR }, 0, 0, VE, "rc" },
85  { "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" },
86  { "disabled", "Single Pass", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_MULTI_PASS_DISABLED }, 0, 0, VE, "multipass" },
87  { "qres", "Two Pass encoding is enabled where first Pass is quarter resolution",
88  0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_QUARTER_RESOLUTION }, 0, 0, VE, "multipass" },
89  { "fullres", "Two Pass encoding is enabled where first Pass is full resolution",
90  0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_FULL_RESOLUTION }, 0, 0, VE, "multipass" },
91  { "highbitdepth", "Enable 10 bit encode for 8 bit input",OFFSET(highbitdepth),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
92  { "tile-rows", "Number of tile rows to encode with", OFFSET(tile_rows), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, NV_MAX_TILE_ROWS_AV1, VE },
93  { "tile-columns", "Number of tile columns to encode with", OFFSET(tile_cols), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, NV_MAX_TILE_COLS_AV1, VE },
94  { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, MAX_REGISTERED_FRAMES, VE },
95  { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
96  OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE, "gpu" },
97  { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, "gpu" },
98  { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, "gpu" },
99  { "delay", "Delay frame output by the given amount of frames",
100  OFFSET(async_depth), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
101  { "rc-lookahead", "Number of frames to look ahead for rate-control",
102  OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
103  { "cq", "Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control",
104  OFFSET(quality), AV_OPT_TYPE_FLOAT, { .dbl = 0.}, 0., 51., VE },
105  { "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
106  { "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
107  { "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
108  { "qp", "Constant quantization parameter rate control method",
109  OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
110  { "qp_cb_offset", "Quantization parameter offset for cb channel",
111  OFFSET(qp_cb_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
112  { "qp_cr_offset", "Quantization parameter offset for cr channel",
113  OFFSET(qp_cr_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE },
114  { "no-scenecut", "When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts",
115  OFFSET(no_scenecut), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
116  { "forced-idr", "If forcing keyframes, force them as IDR frames.",
117  OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
118  { "b_adapt", "When lookahead is enabled, set this to 0 to disable adaptive B-frame decision",
119  OFFSET(b_adapt), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 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  { "zerolatency", "Set 1 to indicate zero latency operation (no reordering delay)",
123  OFFSET(zerolatency), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
124  { "nonref_p", "Set this to 1 to enable automatic insertion of non-reference P-frames",
125  OFFSET(nonref_p), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
126  { "strict_gop", "Set 1 to minimize GOP-to-GOP rate fluctuations",
127  OFFSET(strict_gop), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
128  { "aq-strength", "When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive)",
129  OFFSET(aq_strength), AV_OPT_TYPE_INT, { .i64 = 8 }, 1, 15, VE },
130  { "weighted_pred","Enable weighted prediction", OFFSET(weighted_pred),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
131  { "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, "b_ref_mode" },
132  { "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" },
133  { "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" },
134  { "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" },
135  { "dpb_size", "Specifies the DPB size used for encoding (0 means automatic)",
136  OFFSET(dpb_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
137  { "ldkfs", "Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR",
138  OFFSET(ldkfs), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UCHAR_MAX, VE },
139  { "intra-refresh","Use Periodic Intra Refresh instead of IDR frames",
140  OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
141  { "timing-info", "Include timing info in sequence/frame headers",
142  OFFSET(timing_info), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
143  { "extra_sei", "Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream",
144  OFFSET(extra_sei), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
145  { "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
146  { "s12m_tc", "Use timecode (if available)", OFFSET(s12m_tc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
147  { NULL }
148 };
149 
150 static const FFCodecDefault defaults[] = {
151  { "b", "2M" },
152  { "qmin", "-1" },
153  { "qmax", "-1" },
154  { "qdiff", "-1" },
155  { "qblur", "-1" },
156  { "qcomp", "-1" },
157  { "g", "250" },
158  { "bf", "-1" },
159  { "refs", "0" },
160  { NULL },
161 };
162 
163 static const AVClass av1_nvenc_class = {
164  .class_name = "av1_nvenc",
165  .item_name = av_default_item_name,
166  .option = options,
167  .version = LIBAVUTIL_VERSION_INT,
168 };
169 
171  .p.name = "av1_nvenc",
172  CODEC_LONG_NAME("NVIDIA NVENC av1 encoder"),
173  .p.type = AVMEDIA_TYPE_VIDEO,
174  .p.id = AV_CODEC_ID_AV1,
175  .init = ff_nvenc_encode_init,
177  .close = ff_nvenc_encode_close,
178  .flush = ff_nvenc_encode_flush,
179  .priv_data_size = sizeof(NvencContext),
180  .p.priv_class = &av1_nvenc_class,
181  .defaults = defaults,
182  .p.pix_fmts = ff_nvenc_pix_fmts,
183  .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
185  .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
187  .p.wrapper_name = "nvenc",
188  .hw_configs = ff_nvenc_hw_configs,
189 };
level
uint8_t level
Definition: svq3.c:204
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:42
AV_CODEC_CAP_HARDWARE
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
Definition: codec.h:162
NvencContext
Definition: nvenc.h:153
AVOption
AVOption.
Definition: opt.h:251
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:34
FFCodec
Definition: codec_internal.h:119
options
static const AVOption options[]
Definition: nvenc_av1.c:28
ff_nvenc_pix_fmts
enum AVPixelFormat ff_nvenc_pix_fmts[]
Definition: nvenc.c:50
ff_nvenc_encode_flush
av_cold void ff_nvenc_encode_flush(AVCodecContext *avctx)
Definition: nvenc.c:2682
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_DEFAULT
@ PRESET_DEFAULT
Definition: nvenc.h:103
nvenc.h
VE
#define VE
Definition: nvenc_av1.c:27
FFCodecDefault
Definition: codec_internal.h:89
FFCodec::p
AVCodec p
The public AVCodec.
Definition: codec_internal.h:123
AV_CODEC_CAP_ENCODER_FLUSH
#define AV_CODEC_CAP_ENCODER_FLUSH
This encoder can be flushed using avcodec_flush_buffers().
Definition: codec.h:183
preset
preset
Definition: vf_curves.c:46
ff_nvenc_encode_init
av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
Definition: nvenc.c:1896
tile_rows
int tile_rows
Definition: h265_levels.c:217
tile_cols
int tile_cols
Definition: h265_levels.c:218
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition: codec_internal.h:264
dpb_size
int dpb_size
Definition: h264_levels.c:107
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
LIST_DEVICES
@ LIST_DEVICES
Definition: nvenc.h:149
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
NULL
#define NULL
Definition: coverity.c:32
AV_CODEC_ID_AV1
@ AV_CODEC_ID_AV1
Definition: codec_id.h:283
FF_CODEC_RECEIVE_PACKET_CB
#define FF_CODEC_RECEIVE_PACKET_CB(func)
Definition: codec_internal.h:313
ff_nvenc_encode_close
av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
Definition: nvenc.c:1817
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
ff_av1_nvenc_encoder
const FFCodec ff_av1_nvenc_encoder
Definition: nvenc_av1.c:170
PRESET_FAST
@ PRESET_FAST
Definition: nvenc.h:106
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:52
codec_internal.h
ff_nvenc_hw_configs
const AVCodecHWConfigInternal *const ff_nvenc_hw_configs[]
Definition: nvenc.c:72
MAX_REGISTERED_FRAMES
#define MAX_REGISTERED_FRAMES
Definition: nvenc.h:40
ff_nvenc_receive_packet
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
Definition: nvenc.c:2631
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
PRESET_MEDIUM
@ PRESET_MEDIUM
Definition: nvenc.h:105
internal.h
AVCodec::name
const char * name
Name of the codec implementation.
Definition: codec.h:211
ANY_DEVICE
@ ANY_DEVICE
Definition: nvenc.h:150
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:71
PRESET_SLOW
@ PRESET_SLOW
Definition: nvenc.h:104
OFFSET
#define OFFSET(x)
Definition: nvenc_av1.c:26
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
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:82
av1_nvenc_class
static const AVClass av1_nvenc_class
Definition: nvenc_av1.c:163
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
timing_info
static int FUNC() timing_info(CodedBitstreamContext *ctx, RWContext *rw, AV1RawTimingInfo *current)
Definition: cbs_av1_syntax_template.c:158
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Definition: opt.h:244
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
defaults
static const FFCodecDefault defaults[]
Definition: nvenc_av1.c:150