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avcodec/nvenc: add new Video SDK 10 features

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1. new Nvenc presets
2. new multipass encode modes
3. low delay key frame scale

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Roman Arzumanyan 2020-03-19 11:35:29 +03:00 committed by Timo Rothenpieler
parent f3dc38a186
commit 9115d77222
5 changed files with 145 additions and 6 deletions
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70
libavcodec/nvenc.c
View File

@ -42,6 +42,12 @@
rc == NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ || \
rc == NV_ENC_PARAMS_RC_CBR_HQ)
#ifdef NVENC_HAVE_NEW_PRESETS
#define IS_SDK10_PRESET(p) ((p) >= PRESET_P1 && (p) <= PRESET_P7)
#else
#define IS_SDK10_PRESET(p) 0
#endif
const enum AVPixelFormat ff_nvenc_pix_fmts[] = {
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NV12,
@ -145,8 +151,14 @@ static int nvenc_print_error(AVCodecContext *avctx, NVENCSTATUS err,
static void nvenc_print_driver_requirement(AVCodecContext *avctx, int level)
{
#if NVENCAPI_CHECK_VERSION(9, 2)
#if NVENCAPI_CHECK_VERSION(10, 1)
const char *minver = "(unknown)";
#elif NVENCAPI_CHECK_VERSION(10, 0)
# if defined(_WIN32) || defined(__CYGWIN__)
const char *minver = "450.51";
# else
const char *minver = "445.87";
# endif
#elif NVENCAPI_CHECK_VERSION(9, 1)
# if defined(_WIN32) || defined(__CYGWIN__)
const char *minver = "436.15";
@ -650,6 +662,15 @@ static void nvenc_map_preset(NvencContext *ctx)
PRESET(LOW_LATENCY_HQ, NVENC_LOWLATENCY),
PRESET(LOSSLESS_DEFAULT, NVENC_LOSSLESS),
PRESET(LOSSLESS_HP, NVENC_LOSSLESS),
#ifdef NVENC_HAVE_NEW_PRESETS
PRESET(P1),
PRESET(P2),
PRESET(P3),
PRESET(P4),
PRESET(P5),
PRESET(P6),
PRESET(P7),
#endif
};
GUIDTuple *t = &presets[ctx->preset];
@ -859,6 +880,12 @@ static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx)
if (avctx->rc_max_rate > 0)
ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
#ifdef NVENC_HAVE_MULTIPASS
ctx->encode_config.rcParams.multiPass = ctx->multipass;
if (ctx->encode_config.rcParams.multiPass != NV_ENC_MULTI_PASS_DISABLED)
ctx->flags |= NVENC_TWO_PASSES;
#endif
if (ctx->rc < 0) {
if (ctx->flags & NVENC_ONE_PASS)
ctx->twopass = 0;
@ -893,6 +920,11 @@ static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx)
ctx->rc &= ~RC_MODE_DEPRECATED;
}
#ifdef NVENC_HAVE_LDKFS
if (ctx->ldkfs)
ctx->encode_config.rcParams.lowDelayKeyFrameScale = ctx->ldkfs;
#endif
if (ctx->flags & NVENC_LOSSLESS) {
set_lossless(avctx);
} else if (ctx->rc >= 0) {
@ -1202,10 +1234,27 @@ static av_cold int nvenc_setup_encoder(AVCodecContext *avctx)
preset_config.version = NV_ENC_PRESET_CONFIG_VER;
preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder,
ctx->init_encode_params.encodeGUID,
ctx->init_encode_params.presetGUID,
&preset_config);
if (IS_SDK10_PRESET(ctx->preset)) {
#ifdef NVENC_HAVE_NEW_PRESETS
ctx->init_encode_params.tuningInfo = ctx->tuning_info;
nv_status = p_nvenc->nvEncGetEncodePresetConfigEx(ctx->nvencoder,
ctx->init_encode_params.encodeGUID,
ctx->init_encode_params.presetGUID,
ctx->init_encode_params.tuningInfo,
&preset_config);
#endif
} else {
#ifdef NVENC_HAVE_NEW_PRESETS
// Turn off tuning info parameter if older presets are on
ctx->init_encode_params.tuningInfo = 0;
#endif
nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder,
ctx->init_encode_params.encodeGUID,
ctx->init_encode_params.presetGUID,
&preset_config);
}
if (nv_status != NV_ENC_SUCCESS)
return nvenc_print_error(avctx, nv_status, "Cannot get the preset configuration");
@ -1228,6 +1277,17 @@ static av_cold int nvenc_setup_encoder(AVCodecContext *avctx)
ctx->init_encode_params.enableEncodeAsync = 0;
ctx->init_encode_params.enablePTD = 1;
#ifdef NVENC_HAVE_NEW_PRESETS
/* If lookahead isn't set from CLI, use value from preset.
* P6 & P7 presets may enable lookahead for better quality.
* */
if (ctx->rc_lookahead == 0 && ctx->encode_config.rcParams.enableLookahead)
ctx->rc_lookahead = ctx->encode_config.rcParams.lookaheadDepth;
if (ctx->init_encode_params.tuningInfo == NV_ENC_TUNING_INFO_LOSSLESS)
ctx->flags |= NVENC_LOSSLESS;
#endif
if (ctx->weighted_pred == 1)
ctx->init_encode_params.enableWeightedPrediction = 1;

19
libavcodec/nvenc.h
View File

@ -62,6 +62,13 @@ typedef void ID3D11Device;
#define NVENC_HAVE_GETLASTERRORSTRING
#endif
// SDK 10.0 compile time feature checks
#if NVENCAPI_CHECK_VERSION(10, 0)
#define NVENC_HAVE_NEW_PRESETS
#define NVENC_HAVE_MULTIPASS
#define NVENC_HAVE_LDKFS
#endif
typedef struct NvencSurface
{
NV_ENC_INPUT_PTR input_surface;
@ -98,6 +105,15 @@ enum {
PRESET_LOW_LATENCY_HP,
PRESET_LOSSLESS_DEFAULT, // lossless presets must be the last ones
PRESET_LOSSLESS_HP,
#ifdef NVENC_HAVE_NEW_PRESETS
PRESET_P1,
PRESET_P2,
PRESET_P3,
PRESET_P4,
PRESET_P5,
PRESET_P6,
PRESET_P7,
#endif
};
enum {
@ -198,6 +214,9 @@ typedef struct NvencContext
int a53_cc;
int s12m_tc;
int dpb_size;
int tuning_info;
int multipass;
int ldkfs;
} NvencContext;
int ff_nvenc_encode_init(AVCodecContext *avctx);

30
libavcodec/nvenc_h264.c
View File

@ -26,7 +26,11 @@
#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, "preset" },
#else
{ "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_MEDIUM }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" },
#endif
{ "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" },
{ "slow", "hq 2 passes", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_SLOW }, 0, 0, VE, "preset" },
{ "medium", "hq 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_MEDIUM }, 0, 0, VE, "preset" },
@ -39,6 +43,20 @@ static const AVOption options[] = {
{ "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" },
{ "lossless", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_DEFAULT }, 0, 0, VE, "preset" },
{ "losslesshp", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_HP }, 0, 0, VE, "preset" },
#ifdef NVENC_HAVE_NEW_PRESETS
{ "p1", "fastest (lowest quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P1 }, 0, 0, VE, "preset" },
{ "p2", "faster (lower quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P2 }, 0, 0, VE, "preset" },
{ "p3", "fast (low quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P3 }, 0, 0, VE, "preset" },
{ "p4", "medium (default)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P4 }, 0, 0, VE, "preset" },
{ "p5", "slow (good quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P5 }, 0, 0, VE, "preset" },
{ "p6", "slower (better quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P6 }, 0, 0, VE, "preset" },
{ "p7", "slowest (best quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P7 }, 0, 0, VE, "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, "tune" },
{ "hq", "High quality", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY }, 0, 0, VE, "tune" },
{ "ll", "Low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOW_LATENCY }, 0, 0, VE, "tune" },
{ "ull", "Ultra low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY }, 0, 0, VE, "tune" },
{ "lossless", "Lossless", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOSSLESS }, 0, 0, VE, "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, "profile" },
{ "baseline", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_BASELINE }, 0, 0, VE, "profile" },
{ "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_H264_PROFILE_MAIN }, 0, 0, VE, "profile" },
@ -142,6 +160,18 @@ static const AVOption options[] = {
{ "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, "multipass" },
{ "disabled", "Single Pass", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_MULTI_PASS_DISABLED }, 0, 0, VE, "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, "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, "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
{ NULL }
};

30
libavcodec/nvenc_hevc.c
View File

@ -26,7 +26,11 @@
#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, "preset" },
#else
{ "preset", "Set the encoding preset", OFFSET(preset), AV_OPT_TYPE_INT, { .i64 = PRESET_MEDIUM }, PRESET_DEFAULT, PRESET_LOSSLESS_HP, VE, "preset" },
#endif
{ "default", "", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_DEFAULT }, 0, 0, VE, "preset" },
{ "slow", "hq 2 passes", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_SLOW }, 0, 0, VE, "preset" },
{ "medium", "hq 1 pass", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_MEDIUM }, 0, 0, VE, "preset" },
@ -39,6 +43,20 @@ static const AVOption options[] = {
{ "llhp", "low latency hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOW_LATENCY_HP }, 0, 0, VE, "preset" },
{ "lossless", "lossless", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_DEFAULT }, 0, 0, VE, "preset" },
{ "losslesshp", "lossless hp", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_LOSSLESS_HP }, 0, 0, VE, "preset" },
#ifdef NVENC_HAVE_NEW_PRESETS
{ "p1", "fastest (lowest quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P1 }, 0, 0, VE, "preset" },
{ "p2", "faster (lower quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P2 }, 0, 0, VE, "preset" },
{ "p3", "fast (low quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P3 }, 0, 0, VE, "preset" },
{ "p4", "medium (default)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P4 }, 0, 0, VE, "preset" },
{ "p5", "slow (good quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P5 }, 0, 0, VE, "preset" },
{ "p6", "slower (better quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P6 }, 0, 0, VE, "preset" },
{ "p7", "slowest (best quality)", 0, AV_OPT_TYPE_CONST, { .i64 = PRESET_P7 }, 0, 0, VE, "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, "tune" },
{ "hq", "High quality", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY }, 0, 0, VE, "tune" },
{ "ll", "Low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOW_LATENCY }, 0, 0, VE, "tune" },
{ "ull", "Ultra low latency", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY }, 0, 0, VE, "tune" },
{ "lossless", "Lossless", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_TUNING_INFO_LOSSLESS }, 0, 0, VE, "tune" },
#endif
{ "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" },
{ "main", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_MAIN }, 0, 0, VE, "profile" },
{ "main10", "", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_HEVC_PROFILE_MAIN_10 }, 0, 0, VE, "profile" },
@ -133,6 +151,18 @@ static const AVOption options[] = {
{ "s12m_tc", "Use timecode (if available)", OFFSET(s12m_tc), 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, "multipass" },
{ "disabled", "Single Pass", 0, AV_OPT_TYPE_CONST, { .i64 = NV_ENC_MULTI_PASS_DISABLED }, 0, 0, VE, "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, "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, "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
{ NULL }
};

2
libavcodec/version.h
View File

@ -29,7 +29,7 @@
#define LIBAVCODEC_VERSION_MAJOR 58
#define LIBAVCODEC_VERSION_MINOR 93
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_MICRO 102
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \