FFmpeg  4.0
nvenc_hevc.c
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1 /*
2  * This file is part of FFmpeg.
3  *
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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
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", 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 (deprecated)", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR_MINQP) }, 0, 0, VE, "rc" },
75  { "ll_2pass_quality", "Multi-pass optimized for image quality (deprecated)",
76  0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_2_PASS_QUALITY) }, 0, 0, VE, "rc" },
77  { "ll_2pass_size", "Multi-pass optimized for constant frame size (deprecated)",
78  0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP) }, 0, 0, VE, "rc" },
79  { "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" },
80  { "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" },
81  { "cbr_hq", "Constant bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR_HQ }, 0, 0, VE, "rc" },
82  { "vbr_hq", "Variable bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR_HQ }, 0, 0, VE, "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  { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
87  { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
88  { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
89  OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE, "gpu" },
90  { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, "gpu" },
91  { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, "gpu" },
92  { "delay", "Delay frame output by the given amount of frames",
93  OFFSET(async_depth), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
94  { "no-scenecut", "When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts",
95  OFFSET(no_scenecut), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
96  { "forced-idr", "If forcing keyframes, force them as IDR frames.",
97  OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
98  { "spatial_aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
99  { "temporal_aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
100  { "zerolatency", "Set 1 to indicate zero latency operation (no reordering delay)",
101  OFFSET(zerolatency), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
102  { "nonref_p", "Set this to 1 to enable automatic insertion of non-reference P-frames",
103  OFFSET(nonref_p), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
104  { "strict_gop", "Set 1 to minimize GOP-to-GOP rate fluctuations",
105  OFFSET(strict_gop), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
106  { "aq-strength", "When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive)",
107  OFFSET(aq_strength), AV_OPT_TYPE_INT, { .i64 = 8 }, 1, 15, VE },
108  { "cq", "Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control",
109  OFFSET(quality), AV_OPT_TYPE_FLOAT, { .dbl = 0.}, 0., 51., VE },
110  { "aud", "Use access unit delimiters", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
111  { "bluray-compat", "Bluray compatibility workarounds", OFFSET(bluray_compat),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
112  { "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
113  { "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
114  { "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
115  { "qp", "Constant quantization parameter rate control method",
116  OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
117  { "weighted_pred","Set 1 to enable weighted prediction",
118  OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
119  { NULL }
120 };
121 
122 static const AVCodecDefault defaults[] = {
123  { "b", "2M" },
124  { "qmin", "-1" },
125  { "qmax", "-1" },
126  { "qdiff", "-1" },
127  { "qblur", "-1" },
128  { "qcomp", "-1" },
129  { "g", "250" },
130  { "bf", "0" },
131  { "refs", "0" },
132  { NULL },
133 };
134 
135 #if FF_API_NVENC_OLD_NAME
136 
137 static av_cold int nvenc_old_init(AVCodecContext *avctx)
138 {
139  av_log(avctx, AV_LOG_WARNING, "This encoder is deprecated, use 'hevc_nvenc' instead\n");
140  return ff_nvenc_encode_init(avctx);
141 }
142 
143 static const AVClass nvenc_hevc_class = {
144  .class_name = "nvenc_hevc",
145  .item_name = av_default_item_name,
146  .option = options,
147  .version = LIBAVUTIL_VERSION_INT,
148 };
149 
150 AVCodec ff_nvenc_hevc_encoder = {
151  .name = "nvenc_hevc",
152  .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"),
153  .type = AVMEDIA_TYPE_VIDEO,
154  .id = AV_CODEC_ID_HEVC,
155  .init = nvenc_old_init,
156  .send_frame = ff_nvenc_send_frame,
157  .receive_packet = ff_nvenc_receive_packet,
158  .encode2 = ff_nvenc_encode_frame,
159  .close = ff_nvenc_encode_close,
160  .priv_data_size = sizeof(NvencContext),
161  .priv_class = &nvenc_hevc_class,
162  .defaults = defaults,
163  .pix_fmts = ff_nvenc_pix_fmts,
164  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
165  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
166  .wrapper_name = "nvenc",
167 };
168 
169 #endif
170 
171 static const AVClass hevc_nvenc_class = {
172  .class_name = "hevc_nvenc",
173  .item_name = av_default_item_name,
174  .option = options,
175  .version = LIBAVUTIL_VERSION_INT,
176 };
177 
178 AVCodec ff_hevc_nvenc_encoder = {
179  .name = "hevc_nvenc",
180  .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"),
181  .type = AVMEDIA_TYPE_VIDEO,
182  .id = AV_CODEC_ID_HEVC,
183  .init = ff_nvenc_encode_init,
184  .send_frame = ff_nvenc_send_frame,
185  .receive_packet = ff_nvenc_receive_packet,
186  .encode2 = ff_nvenc_encode_frame,
187  .close = ff_nvenc_encode_close,
188  .priv_data_size = sizeof(NvencContext),
189  .priv_class = &hevc_nvenc_class,
190  .defaults = defaults,
191  .pix_fmts = ff_nvenc_pix_fmts,
192  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
193  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
194  .wrapper_name = "nvenc",
195 };
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: internal.h:48
NULL
#define NULL
Definition: coverity.c:32
ff_nvenc_encode_close
av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
Definition: nvenc.c:1398
AVOption
AVOption.
Definition: opt.h:246
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
AV_OPT_TYPE_INT
Definition: opt.h:223
AV_CODEC_CAP_HARDWARE
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
Definition: avcodec.h:1056
defaults
static const AVCodecDefault defaults[]
Definition: nvenc_hevc.c:122
nvenc_old_init
static av_cold int nvenc_old_init(AVCodecContext *avctx)
Definition: nvenc_hevc.c:137
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
ff_nvenc_receive_packet
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
Definition: nvenc.c:2026
OFFSET
#define OFFSET(x)
Definition: nvenc_hevc.c:26
AVCodec
AVCodec.
Definition: avcodec.h:3408
VE
#define VE
Definition: nvenc_hevc.c:27
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:72
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: avcodec.h:984
AV_OPT_TYPE_CONST
Definition: opt.h:232
av_cold
#define av_cold
Definition: attributes.h:82
ff_nvenc_pix_fmts
enum AVPixelFormat ff_nvenc_pix_fmts[]
Definition: nvenc.c:39
MAX_REGISTERED_FRAMES
#define MAX_REGISTERED_FRAMES
Definition: nvenc.h:39
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
RCD
#define RCD(rc_mode)
Definition: nvenc.h:41
AV_OPT_TYPE_FLOAT
Definition: opt.h:226
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
hevc_nvenc_class
static const AVClass hevc_nvenc_class
Definition: nvenc_hevc.c:171
nvenc_hevc_class
static const AVClass nvenc_hevc_class
Definition: nvenc_hevc.c:143
AVCodec::name
const char * name
Name of the codec implementation.
Definition: avcodec.h:3415
ff_nvenc_send_frame
int ff_nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
Definition: nvenc.c:1923
ff_hevc_nvenc_encoder
AVCodec ff_hevc_nvenc_encoder
Definition: nvenc_hevc.c:178
internal.h
common internal API header
ff_nvenc_encode_init
av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
Definition: nvenc.c:1473
ff_nvenc_encode_frame
int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: nvenc.c:2062
AV_OPT_TYPE_BOOL
Definition: opt.h:240
avcodec.h
Libavcodec external API header.
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
aud
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
Definition: cbs_h264_syntax_template.c:878
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
AV_CODEC_ID_HEVC
Definition: avcodec.h:392
profile
mfxU16 profile
Definition: qsvenc.c:44
level
uint8_t level
Definition: svq3.c:207
preset
preset
Definition: vf_curves.c:46
internal.h
common internal api header.
FF_PROFILE_HEVC_REXT
#define FF_PROFILE_HEVC_REXT
Definition: avcodec.h:2934
ff_nvenc_hevc_encoder
AVCodec ff_nvenc_hevc_encoder
Definition: nvenc_hevc.c:150
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
options
static const AVOption options[]
Definition: nvenc_hevc.c:28
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