| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/internal.h" |
| |
| #include "avcodec.h" |
| #include "codec_internal.h" |
| |
| #include "nvenc.h" |
| |
| #define OFFSET(x) offsetof(NvencContext, x) |
| #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
| static const AVOption options[] = { |
| #ifdef NVENC_HAVE_NEW_PRESETS |
| { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_P4 }, PRESET_DEFAULT, PRESET_P7, VE, .unit = "preset" }, |
| #else |
| { "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_MEDIUM }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, .unit = "preset" }, |
| #endif |
| { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, .unit = "preset" }, |
| { "slow", "hq 2 passes", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_SLOW }, 0, 0, VE, .unit = "preset" }, |
| { "medium", "hq 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_MEDIUM }, 0, 0, VE, .unit = "preset" }, |
| { "fast", "hp 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_FAST }, 0, 0, VE, .unit = "preset" }, |
| { "hp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HP }, 0, 0, VE, .unit = "preset" }, |
| { "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_HQ }, 0, 0, VE, .unit = "preset" }, |
| { "bd", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_BD }, 0, 0, VE, .unit = "preset" }, |
| { "ll", "low latency", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_DEFAULT }, 0, 0, VE, .unit = "preset" }, |
| { "llhq", "low latency hq", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HQ }, 0, 0, VE, .unit = "preset" }, |
| { "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, .unit = "preset" }, |
| { "lossless", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_DEFAULT }, 0, 0, VE, .unit = "preset" }, |
| { "losslesshp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_HP }, 0, 0, VE, .unit = "preset" }, |
| #ifdef NVENC_HAVE_NEW_PRESETS |
| { "p1", "fastest (lowest quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P1 }, 0, 0, VE, .unit = "preset" }, |
| { "p2", "faster (lower quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P2 }, 0, 0, VE, .unit = "preset" }, |
| { "p3", "fast (low quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P3 }, 0, 0, VE, .unit = "preset" }, |
| { "p4", "medium (default)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P4 }, 0, 0, VE, .unit = "preset" }, |
| { "p5", "slow (good quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P5 }, 0, 0, VE, .unit = "preset" }, |
| { "p6", "slower (better quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P6 }, 0, 0, VE, .unit = "preset" }, |
| { "p7", "slowest (best quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P7 }, 0, 0, VE, .unit = "preset" }, |
| { "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, .unit = "tune" }, |
| { "hq", "High quality", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY }, 0, 0, VE, .unit = "tune" }, |
| { "ll", "Low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOW_LATENCY }, 0, 0, VE, .unit = "tune" }, |
| { "ull", "Ultra low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY }, 0, 0, VE, .unit = "tune" }, |
| { "lossless", "Lossless", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOSSLESS }, 0, 0, VE, .unit = "tune" }, |
| #endif |
| { "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, .unit = "profile" }, |
| { "baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_BASELINE }, 0, 0, VE, .unit = "profile" }, |
| { "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_MAIN }, 0, 0, VE, .unit = "profile" }, |
| { "high", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH }, 0, 0, VE, .unit = "profile" }, |
| { "high444p", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_HIGH_444P }, 0, 0, VE, .unit = "profile" }, |
| #ifdef NVENC_HAVE_H264_LVL6 |
| { "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_62, VE, .unit = "level" }, |
| #else |
| { "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_52, VE, .unit = "level" }, |
| #endif |
| { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_AUTOSELECT }, 0, 0, VE, .unit = "level" }, |
| { "1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1 }, 0, 0, VE, .unit = "level" }, |
| { "1.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1 }, 0, 0, VE, .unit = "level" }, |
| { "1b", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1b }, 0, 0, VE, .unit = "level" }, |
| { "1.0b", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_1b }, 0, 0, VE, .unit = "level" }, |
| { "1.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_11 }, 0, 0, VE, .unit = "level" }, |
| { "1.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_12 }, 0, 0, VE, .unit = "level" }, |
| { "1.3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_13 }, 0, 0, VE, .unit = "level" }, |
| { "2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_2 }, 0, 0, VE, .unit = "level" }, |
| { "2.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_2 }, 0, 0, VE, .unit = "level" }, |
| { "2.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_21 }, 0, 0, VE, .unit = "level" }, |
| { "2.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_22 }, 0, 0, VE, .unit = "level" }, |
| { "3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_3 }, 0, 0, VE, .unit = "level" }, |
| { "3.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_3 }, 0, 0, VE, .unit = "level" }, |
| { "3.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_31 }, 0, 0, VE, .unit = "level" }, |
| { "3.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_32 }, 0, 0, VE, .unit = "level" }, |
| { "4", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_4 }, 0, 0, VE, .unit = "level" }, |
| { "4.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_4 }, 0, 0, VE, .unit = "level" }, |
| { "4.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_41 }, 0, 0, VE, .unit = "level" }, |
| { "4.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_42 }, 0, 0, VE, .unit = "level" }, |
| { "5", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_5 }, 0, 0, VE, .unit = "level" }, |
| { "5.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_5 }, 0, 0, VE, .unit = "level" }, |
| { "5.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_51 }, 0, 0, VE, .unit = "level" }, |
| { "5.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_52 }, 0, 0, VE, .unit = "level" }, |
| #ifdef NVENC_HAVE_H264_LVL6 |
| { "6.0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_60 }, 0, 0, VE, .unit = "level" }, |
| { "6.1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_61 }, 0, 0, VE, .unit = "level" }, |
| { "6.2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LEVEL_H264_62 }, 0, 0, VE, .unit = "level" }, |
| #endif |
| { "rc", "Override the preset rate-control", OFFSET(rc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, .unit = "rc" }, |
| { "constqp", "Constant QP mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CONSTQP }, 0, 0, VE, .unit = "rc" }, |
| { "vbr", "Variable bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_VBR }, 0, 0, VE, .unit = "rc" }, |
| { "cbr", "Constant bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_PARAMS_RC_CBR }, 0, 0, VE, .unit = "rc" }, |
| #ifndef NVENC_NO_DEPRECATED_RC |
| { "vbr_minqp", "Variable bitrate mode with MinQP (deprecated)", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR_MINQP) }, 0, 0, VE, .unit = "rc" }, |
| { "ll_2pass_quality", "Multi-pass optimized for image quality (deprecated)", |
| 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_2_PASS_QUALITY) }, 0, 0, VE, .unit = "rc" }, |
| { "ll_2pass_size", "Multi-pass optimized for constant frame size (deprecated)", |
| 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP) }, 0, 0, VE, .unit = "rc" }, |
| { "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, .unit = "rc" }, |
| { "cbr_ld_hq", "Constant bitrate low delay high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ) }, 0, 0, VE, .unit = "rc" }, |
| { "cbr_hq", "Constant bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_CBR_HQ) }, 0, 0, VE, .unit = "rc" }, |
| { "vbr_hq", "Variable bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR_HQ) }, 0, 0, VE, .unit = "rc" }, |
| #else |
| { "vbr_minqp", "Variable bitrate mode with MinQP (deprecated)", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR) }, 0, 0, VE, .unit = "rc" }, |
| { "ll_2pass_quality", "Multi-pass optimized for image quality (deprecated)", |
| 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR) }, 0, 0, VE, .unit = "rc" }, |
| { "ll_2pass_size", "Multi-pass optimized for constant frame size (deprecated)", |
| 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_CBR) }, 0, 0, VE, .unit = "rc" }, |
| { "vbr_2pass", "Multi-pass variable bitrate mode (deprecated)", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR) }, 0, 0, VE, .unit = "rc" }, |
| { "cbr_ld_hq", "Constant bitrate low delay high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_CBR) }, 0, 0, VE, .unit = "rc" }, |
| { "cbr_hq", "Constant bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_CBR) }, 0, 0, VE, .unit = "rc" }, |
| { "vbr_hq", "Variable bitrate high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = RCD(NV_ENC_PARAMS_RC_VBR) }, 0, 0, VE, .unit = "rc" }, |
| #endif |
| { "rc-lookahead", "Number of frames to look ahead for rate-control", |
| OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, |
| { "surfaces", "Number of concurrent surfaces", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, MAX_REGISTERED_FRAMES, VE }, |
| { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, |
| { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", |
| OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE, .unit = "gpu" }, |
| { "any", "Pick the first device available", 0, AV_OPT_TYPE_CONST, { .i64 = ANY_DEVICE }, 0, 0, VE, .unit = "gpu" }, |
| { "list", "List the available devices", 0, AV_OPT_TYPE_CONST, { .i64 = LIST_DEVICES }, 0, 0, VE, .unit = "gpu" }, |
| { "rgb_mode", "Configure how nvenc handles packed RGB input.", |
| OFFSET(rgb_mode), AV_OPT_TYPE_INT, { .i64 = NVENC_RGB_MODE_420 }, 0, INT_MAX, VE, .unit = "rgb_mode" }, |
| { "yuv420", "Convert to yuv420", 0, AV_OPT_TYPE_CONST, { .i64 = NVENC_RGB_MODE_420 }, 0, 0, VE, .unit = "rgb_mode" }, |
| { "yuv444", "Convert to yuv444", 0, AV_OPT_TYPE_CONST, { .i64 = NVENC_RGB_MODE_444 }, 0, 0, VE, .unit = "rgb_mode" }, |
| { "disabled", "Disables support, throws an error.", 0, AV_OPT_TYPE_CONST, { .i64 = NVENC_RGB_MODE_DISABLED }, 0, 0, VE, .unit = "rgb_mode" }, |
| { "delay", "Delay frame output by the given amount of frames", |
| OFFSET(async_depth), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE }, |
| { "no-scenecut", "When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts", |
| OFFSET(no_scenecut), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "forced-idr", "If forcing keyframes, force them as IDR frames.", |
| OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE }, |
| { "b_adapt", "When lookahead is enabled, set this to 0 to disable adaptive B-frame decision", |
| OFFSET(b_adapt), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE }, |
| { "spatial-aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "spatial_aq", "set to 1 to enable Spatial AQ", OFFSET(aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "temporal-aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "temporal_aq", "set to 1 to enable Temporal AQ", OFFSET(temporal_aq), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "zerolatency", "Set 1 to indicate zero latency operation (no reordering delay)", |
| OFFSET(zerolatency), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "nonref_p", "Set this to 1 to enable automatic insertion of non-reference P-frames", |
| OFFSET(nonref_p), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "strict_gop", "Set 1 to minimize GOP-to-GOP rate fluctuations", |
| OFFSET(strict_gop), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "aq-strength", "When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive)", |
| OFFSET(aq_strength), AV_OPT_TYPE_INT, { .i64 = 8 }, 1, 15, VE }, |
| { "cq", "Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control", |
| OFFSET(quality), AV_OPT_TYPE_FLOAT, { .dbl = 0.}, 0., 51., VE }, |
| { "aud", "Use access unit delimiters", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "bluray-compat", "Bluray compatibility workarounds", OFFSET(bluray_compat),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE }, |
| { "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE }, |
| { "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE }, |
| { "qp", "Constant quantization parameter rate control method", |
| OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE }, |
| { "qp_cb_offset", "Quantization parameter offset for cb channel", |
| OFFSET(qp_cb_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE }, |
| { "qp_cr_offset", "Quantization parameter offset for cr channel", |
| OFFSET(qp_cr_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, -12, 12, VE }, |
| { "weighted_pred","Set 1 to enable weighted prediction", |
| OFFSET(weighted_pred),AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, |
| { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 },-1, 2, VE, .unit = "coder" }, |
| { "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, VE, .unit = "coder" }, |
| { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_AUTOSELECT }, 0, 0, VE, .unit = "coder" }, |
| { "cabac", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CABAC }, 0, 0, VE, .unit = "coder" }, |
| { "cavlc", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC }, 0, 0, VE, .unit = "coder" }, |
| { "ac", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CABAC }, 0, 0, VE, .unit = "coder" }, |
| { "vlc", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC }, 0, 0, VE, .unit = "coder" }, |
| #ifdef NVENC_HAVE_BFRAME_REF_MODE |
| { "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" }, |
| { "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" }, |
| { "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" }, |
| { "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" }, |
| #else |
| { "b_ref_mode", "(not supported)", OFFSET(b_ref_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, .unit = "b_ref_mode" }, |
| { "disabled", "", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, .unit = "b_ref_mode" }, |
| { "each", "", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, VE, .unit = "b_ref_mode" }, |
| { "middle", "", 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, VE, .unit = "b_ref_mode" }, |
| #endif |
| { "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE }, |
| { "dpb_size", "Specifies the DPB size used for encoding (0 means automatic)", |
| OFFSET(dpb_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, |
| #ifdef NVENC_HAVE_MULTIPASS |
| { "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" }, |
| { "disabled", "Single Pass", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_MULTI_PASS_DISABLED }, 0, 0, VE, .unit = "multipass" }, |
| { "qres", "Two Pass encoding is enabled where first Pass is quarter resolution", |
| 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_QUARTER_RESOLUTION }, 0, 0, VE, .unit = "multipass" }, |
| { "fullres", "Two Pass encoding is enabled where first Pass is full resolution", |
| 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TWO_PASS_FULL_RESOLUTION }, 0, 0, VE, .unit = "multipass" }, |
| #endif |
| #ifdef NVENC_HAVE_LDKFS |
| { "ldkfs", "Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR", |
| OFFSET(ldkfs), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UCHAR_MAX, VE }, |
| #endif |
| { "extra_sei", "Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream", |
| OFFSET(extra_sei), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE }, |
| { "udu_sei", "Pass on user data unregistered SEI if available", |
| OFFSET(udu_sei), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "intra-refresh","Use Periodic Intra Refresh instead of IDR frames", |
| OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "single-slice-intra-refresh", "Use single slice intra refresh", |
| OFFSET(single_slice_intra_refresh), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "max_slice_size", "Maximum encoded slice size in bytes", |
| OFFSET(max_slice_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, |
| { "constrained-encoding", "Enable constrainedFrame encoding where each slice in the constrained picture is independent of other slices", |
| OFFSET(constrained_encoding), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| #ifdef NVENC_HAVE_LOOKAHEAD_LEVEL |
| { "lookahead_level", "Specifies the lookahead level. Higher level may improve quality at the expense of performance.", |
| OFFSET(lookahead_level), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, NV_ENC_LOOKAHEAD_LEVEL_AUTOSELECT, VE, .unit = "lookahead_level" }, |
| { "auto", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_AUTOSELECT }, 0, 0, VE, .unit = "lookahead_level" }, |
| { "0", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_0 }, 0, 0, VE, .unit = "lookahead_level" }, |
| { "1", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_1 }, 0, 0, VE, .unit = "lookahead_level" }, |
| { "2", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_2 }, 0, 0, VE, .unit = "lookahead_level" }, |
| { "3", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_LOOKAHEAD_LEVEL_3 }, 0, 0, VE, .unit = "lookahead_level" }, |
| #endif |
| { NULL } |
| }; |
| |
| static const FFCodecDefault defaults[] = { |
| { "b", "2M" }, |
| { "qmin", "-1" }, |
| { "qmax", "-1" }, |
| { "qdiff", "-1" }, |
| { "qblur", "-1" }, |
| { "qcomp", "-1" }, |
| { "g", "-1" }, |
| { "bf", "-1" }, |
| { "refs", "0" }, |
| { NULL }, |
| }; |
| |
| static const AVClass h264_nvenc_class = { |
| .class_name = "h264_nvenc", |
| .item_name = av_default_item_name, |
| .option = options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| const FFCodec ff_h264_nvenc_encoder = { |
| .p.name = "h264_nvenc", |
| CODEC_LONG_NAME("NVIDIA NVENC H.264 encoder"), |
| .p.type = AVMEDIA_TYPE_VIDEO, |
| .p.id = AV_CODEC_ID_H264, |
| .init = ff_nvenc_encode_init, |
| FF_CODEC_RECEIVE_PACKET_CB(ff_nvenc_receive_packet), |
| .close = ff_nvenc_encode_close, |
| .flush = ff_nvenc_encode_flush, |
| .priv_data_size = sizeof(NvencContext), |
| .p.priv_class = &h264_nvenc_class, |
| .defaults = defaults, |
| .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE | |
| AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1 | |
| AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, |
| .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE | |
| FF_CODEC_CAP_INIT_CLEANUP, |
| .p.pix_fmts = ff_nvenc_pix_fmts, |
| .p.wrapper_name = "nvenc", |
| .hw_configs = ff_nvenc_hw_configs, |
| }; |
