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FFmpeg/libavcodec/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 "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,

  165.     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,

  166. };

  167. 

  168. #endif

  169. 

  170. static const AVClass hevc_nvenc_class = {

  171.     .class_name = "hevc_nvenc",

  172.     .item_name = av_default_item_name,

  173.     .option = options,

  174.     .version = LIBAVUTIL_VERSION_INT,

  175. };

  176. 

  177. AVCodec ff_hevc_nvenc_encoder = {

  178.     .name           = "hevc_nvenc",

  179.     .long_name      = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"),

  180.     .type           = AVMEDIA_TYPE_VIDEO,

  181.     .id             = AV_CODEC_ID_HEVC,

  182.     .init           = ff_nvenc_encode_init,

  183.     .send_frame     = ff_nvenc_send_frame,

  184.     .receive_packet = ff_nvenc_receive_packet,

  185.     .encode2        = ff_nvenc_encode_frame,

  186.     .close          = ff_nvenc_encode_close,

  187.     .priv_data_size = sizeof(NvencContext),

  188.     .priv_class     = &hevc_nvenc_class,

  189.     .defaults       = defaults,

  190.     .pix_fmts       = ff_nvenc_pix_fmts,

  191.     .capabilities   = AV_CODEC_CAP_DELAY,

  192.     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,

  193. };