26 #define OFFSET(x) offsetof(NvencContext, x)
27 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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" },
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"},
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)",
77 {
"ll_2pass_size",
"Multi-pass optimized for constant frame size (deprecated)",
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",
88 {
"gpu",
"Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.",
92 {
"delay",
"Delay frame output by the given amount of frames",
94 {
"no-scenecut",
"When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts",
96 {
"forced-idr",
"If forcing keyframes, force them as IDR frames.",
100 {
"zerolatency",
"Set 1 to indicate zero latency operation (no reordering delay)",
102 {
"nonref_p",
"Set this to 1 to enable automatic insertion of non-reference P-frames",
104 {
"strict_gop",
"Set 1 to minimize GOP-to-GOP rate fluctuations",
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)",
108 {
"cq",
"Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control",
111 {
"bluray-compat",
"Bluray compatibility workarounds",
OFFSET(bluray_compat),
AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1,
VE },
115 {
"qp",
"Constant quantization parameter rate control method",
117 {
"weighted_pred",
"Set 1 to enable weighted prediction",
135 #if FF_API_NVENC_OLD_NAME
151 .
name =
"nvenc_hevc",
161 .priv_class = &nvenc_hevc_class,
162 .defaults = defaults,
166 .wrapper_name =
"nvenc",
179 .
name =
"hevc_nvenc",
189 .priv_class = &hevc_nvenc_class,
190 .defaults = defaults,
194 .wrapper_name =
"nvenc",
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
#define AV_LOG_WARNING
Something somehow does not look correct.
#define LIBAVUTIL_VERSION_INT
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
static const AVCodecDefault defaults[]
static av_cold int nvenc_old_init(AVCodecContext *avctx)
const char * av_default_item_name(void *ptr)
Return the context name.
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
enum AVPixelFormat ff_nvenc_pix_fmts[]
#define MAX_REGISTERED_FRAMES
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static const AVClass hevc_nvenc_class
static const AVClass nvenc_hevc_class
const char * name
Name of the codec implementation.
int ff_nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
AVCodec ff_hevc_nvenc_encoder
common internal API header
av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Libavcodec external API header.
main external API structure.
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
Describe the class of an AVClass context structure.
static enum AVPixelFormat pix_fmts[]
common internal api header.
#define FF_PROFILE_HEVC_REXT
AVCodec ff_nvenc_hevc_encoder
static const AVOption options[]