/* GStreamer * Copyright (C) 2022 Seungha Yang * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * element-nvcudah264enc: * * NVIDIA CUDA mode H.264 encoder * * Since: 1.22 */ /** * element-nvd3d11h264enc: * * NVIDIA Direct3D11 mode H.264 encoder * * Since: 1.22 */ /** * element-nvautogpuh264enc: * * NVIDIA auto GPU select mode H.264 encoder * * Since: 1.22 */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstnvh264encoder.h" #include #include #include #include #include GST_DEBUG_CATEGORY_STATIC (gst_nv_h264_encoder_debug); #define GST_CAT_DEFAULT gst_nv_h264_encoder_debug static GTypeClass *parent_class = nullptr; enum { PROP_0, PROP_ADAPTER_LUID, PROP_CUDA_DEVICE_ID, /* init params */ PROP_PRESET, PROP_WEIGHTED_PRED, /* encoding config */ PROP_GOP_SIZE, PROP_B_FRAMES, /* rate-control params */ PROP_RATE_CONTROL, PROP_QP_I, PROP_QP_P, PROP_QP_B, PROP_BITRATE, PROP_MAX_BITRATE, PROP_VBV_BUFFER_SIZE, PROP_RC_LOOKAHEAD, PROP_I_ADAPT, PROP_B_ADAPT, PROP_SPATIAL_AQ, PROP_TEMPORAL_AQ, PROP_ZERO_REORDER_DELAY, PROP_NON_REF_P, PROP_STRICT_GOP, PROP_AQ_STRENGTH, PROP_MIN_QP_I, PROP_MIN_QP_P, PROP_MIN_QP_B, PROP_MAX_QP_I, PROP_MAX_QP_P, PROP_MAX_QP_B, PROP_CONST_QUALITY, /* h264 specific */ PROP_AUD, PROP_CABAC, PROP_REPEAT_SEQUENCE_HEADER, }; #define DEFAULT_PRESET GST_NV_ENCODER_PRESET_DEFAULT #define DEFAULT_WEIGHTED_PRED FALSE #define DEFAULT_GOP_SIZE 30 #define DEFAULT_B_FRAMES 0 #define DEFAULT_RATE_CONTROL GST_NV_ENCODER_RC_MODE_VBR #define DEFAULT_QP -1 #define DEFAULT_BITRATE 0 #define DEFAULT_MAX_BITRATE 0 #define DEFAULT_VBV_BUFFER_SIZE 0 #define DEFAULT_RC_LOOKAHEAD 0 #define DEFAULT_I_ADAPT FALSE #define DEFAULT_B_ADAPT FALSE #define DEFAULT_SPATIAL_AQ FALSE #define DEFAULT_TEMPORAL_AQ FALSE #define DEFAULT_ZERO_REORDER_DELAY FALSE #define DEFAULT_NON_REF_P FALSE #define DEFAULT_STRICT_GOP FALSE #define DEFAULT_AQ_STRENGTH FALSE #define DEFAULT_CONST_QUALITY 0 #define DEFAULT_AUD TRUE #define DEFAULT_REPEAT_SEQUENCE_HEADER FALSE typedef struct _GstNvH264Encoder { GstNvEncoder parent; GMutex prop_lock; gboolean init_param_updated; gboolean rc_param_updated; gboolean bitrate_updated; gboolean packetized; GstH264NalParser *parser; GstNvEncoderDeviceMode selected_device_mode; /* Properties */ guint cuda_device_id; gint64 adapter_luid; GstNvEncoderPreset preset; gboolean weighted_pred; gint gop_size; guint bframes; GstNvEncoderRCMode rc_mode; gint qp_i; gint qp_p; gint qp_b; guint bitrate; guint max_bitrate; guint vbv_buffer_size; guint rc_lookahead; gboolean i_adapt; gboolean b_adapt; gboolean spatial_aq; gboolean temporal_aq; gboolean zero_reorder_delay; gboolean non_ref_p; gboolean strict_gop; guint aq_strength; gint min_qp_i; gint min_qp_p; gint min_qp_b; gint max_qp_i; gint max_qp_p; gint max_qp_b; gdouble const_quality; gboolean aud; gboolean cabac; gboolean repeat_sequence_header; } GstNvH264Encoder; typedef struct _GstNvH264EncoderClass { GstNvEncoderClass parent_class; guint cuda_device_id; gint64 adapter_luid; GstNvEncoderDeviceMode device_mode; /* representative device caps */ GstNvEncoderDeviceCaps device_caps; /* auto gpu select mode */ guint cuda_device_id_size; guint cuda_device_id_list[8]; guint adapter_luid_size; gint64 adapter_luid_list[8]; } GstNvH264EncoderClass; #define GST_NV_H264_ENCODER(object) ((GstNvH264Encoder *) (object)) #define GST_NV_H264_ENCODER_GET_CLASS(object) \ (G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstNvH264EncoderClass)) static void gst_nv_h264_encoder_finalize (GObject * object); static void gst_nv_h264_encoder_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_nv_h264_encoder_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static GstCaps *gst_nv_h264_encoder_getcaps (GstVideoEncoder * encoder, GstCaps * filter); static gboolean gst_nv_h264_encoder_set_format (GstNvEncoder * encoder, GstVideoCodecState * state, gpointer session, NV_ENC_INITIALIZE_PARAMS * init_params, NV_ENC_CONFIG * config); static gboolean gst_nv_h264_encoder_set_output_state (GstNvEncoder * encoder, GstVideoCodecState * state, gpointer session); static GstBuffer *gst_nv_h264_encoder_create_output_buffer (GstNvEncoder * encoder, NV_ENC_LOCK_BITSTREAM * bitstream); static GstNvEncoderReconfigure gst_nv_h264_encoder_check_reconfigure (GstNvEncoder * encoder, NV_ENC_CONFIG * config); static gboolean gst_nv_h264_encoder_select_device (GstNvEncoder * encoder, const GstVideoInfo * info, GstBuffer * buffer, GstNvEncoderDeviceData * data); static guint gst_nv_h264_encoder_calculate_min_buffers (GstNvEncoder * encoder); static void gst_nv_h264_encoder_class_init (GstNvH264EncoderClass * klass, gpointer data) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstVideoEncoderClass *videoenc_class = GST_VIDEO_ENCODER_CLASS (klass); GstNvEncoderClass *nvenc_class = GST_NV_ENCODER_CLASS (klass); GstNvEncoderClassData *cdata = (GstNvEncoderClassData *) data; GstNvEncoderDeviceCaps *dev_caps = &cdata->device_caps; GParamFlags param_flags = (GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS); GParamFlags conditional_param_flags = (GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONDITIONALLY_AVAILABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS); parent_class = (GTypeClass *) g_type_class_peek_parent (klass); object_class->finalize = gst_nv_h264_encoder_finalize; object_class->set_property = gst_nv_h264_encoder_set_property; object_class->get_property = gst_nv_h264_encoder_get_property; switch (cdata->device_mode) { case GST_NV_ENCODER_DEVICE_CUDA: g_object_class_install_property (object_class, PROP_CUDA_DEVICE_ID, g_param_spec_uint ("cuda-device-id", "CUDA Device ID", "CUDA device ID of associated GPU", 0, G_MAXINT, 0, (GParamFlags) (GST_PARAM_DOC_SHOW_DEFAULT | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS))); break; case GST_NV_ENCODER_DEVICE_D3D11: g_object_class_install_property (object_class, PROP_ADAPTER_LUID, g_param_spec_int64 ("adapter-luid", "Adapter LUID", "DXGI Adapter LUID (Locally Unique Identifier) of associated GPU", G_MININT64, G_MAXINT64, 0, (GParamFlags) (GST_PARAM_DOC_SHOW_DEFAULT | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS))); break; case GST_NV_ENCODER_DEVICE_AUTO_SELECT: if (cdata->cuda_device_id_size > 0) { g_object_class_install_property (object_class, PROP_CUDA_DEVICE_ID, g_param_spec_uint ("cuda-device-id", "CUDA Device ID", "CUDA device ID to use", 0, G_MAXINT, 0, (GParamFlags) (conditional_param_flags | GST_PARAM_DOC_SHOW_DEFAULT))); } if (cdata->adapter_luid_size > 0) { g_object_class_install_property (object_class, PROP_ADAPTER_LUID, g_param_spec_int64 ("adapter-luid", "Adapter LUID", "DXGI Adapter LUID (Locally Unique Identifier) to use", G_MININT64, G_MAXINT64, 0, (GParamFlags) (conditional_param_flags | GST_PARAM_DOC_SHOW_DEFAULT))); } break; default: g_assert_not_reached (); break; } g_object_class_install_property (object_class, PROP_PRESET, g_param_spec_enum ("preset", "Encoding Preset", "Encoding Preset", GST_TYPE_NV_ENCODER_PRESET, DEFAULT_PRESET, param_flags)); if (dev_caps->weighted_prediction) { g_object_class_install_property (object_class, PROP_WEIGHTED_PRED, g_param_spec_boolean ("weighted-pred", "Weighted Pred", "Enables Weighted Prediction", DEFAULT_WEIGHTED_PRED, conditional_param_flags)); } g_object_class_install_property (object_class, PROP_GOP_SIZE, g_param_spec_int ("gop-size", "GOP size", "Number of frames between intra frames (-1 = infinite)", -1, G_MAXINT, DEFAULT_GOP_SIZE, param_flags)); if (dev_caps->max_bframes > 0) { g_object_class_install_property (object_class, PROP_B_FRAMES, g_param_spec_uint ("b-frames", "B-Frames", "Number of B-frames between I and P", 0, dev_caps->max_bframes, DEFAULT_B_FRAMES, conditional_param_flags)); } g_object_class_install_property (object_class, PROP_RATE_CONTROL, g_param_spec_enum ("rate-control", "Rate Control", "Rate Control Method", GST_TYPE_NV_ENCODER_RC_MODE, DEFAULT_RATE_CONTROL, param_flags)); g_object_class_install_property (object_class, PROP_QP_I, g_param_spec_int ("qp-i", "QP I", "Constant QP value for I frame (-1 = default)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_QP_P, g_param_spec_int ("qp-p", "QP P", "Constant QP value for P frame (-1 = default)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_QP_B, g_param_spec_int ("qp-b", "QP B", "Constant QP value for B frame (-1 = default)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_BITRATE, g_param_spec_uint ("bitrate", "Bitrate", "Bitrate in kbit/sec (0 = automatic)", 0, 2000 * 1024, DEFAULT_BITRATE, param_flags)); g_object_class_install_property (object_class, PROP_MAX_BITRATE, g_param_spec_uint ("max-bitrate", "Max Bitrate", "Maximum Bitrate in kbit/sec (ignored in CBR mode)", 0, 2000 * 1024, DEFAULT_MAX_BITRATE, param_flags)); if (dev_caps->custom_vbv_buf_size) { g_object_class_install_property (object_class, PROP_VBV_BUFFER_SIZE, g_param_spec_uint ("vbv-buffer-size", "VBV Buffer Size", "VBV(HRD) Buffer Size in kbits (0 = NVENC default)", 0, G_MAXUINT, DEFAULT_VBV_BUFFER_SIZE, conditional_param_flags)); } if (dev_caps->lookahead) { g_object_class_install_property (object_class, PROP_RC_LOOKAHEAD, g_param_spec_uint ("rc-lookahead", "Rate Control Lookahead", "Number of frames for frame type lookahead", 0, 32, DEFAULT_RC_LOOKAHEAD, conditional_param_flags)); g_object_class_install_property (object_class, PROP_I_ADAPT, g_param_spec_boolean ("i-adapt", "I Adapt", "Enable adaptive I-frame insert when lookahead is enabled", DEFAULT_I_ADAPT, conditional_param_flags)); if (dev_caps->max_bframes > 0) { g_object_class_install_property (object_class, PROP_B_ADAPT, g_param_spec_boolean ("b-adapt", "B Adapt", "Enable adaptive B-frame insert when lookahead is enabled", DEFAULT_B_ADAPT, conditional_param_flags)); } } g_object_class_install_property (object_class, PROP_SPATIAL_AQ, g_param_spec_boolean ("spatial-aq", "Spatial AQ", "Spatial Adaptive Quantization", DEFAULT_SPATIAL_AQ, param_flags)); if (dev_caps->temporal_aq) { g_object_class_install_property (object_class, PROP_TEMPORAL_AQ, g_param_spec_boolean ("temporal-aq", "Temporal AQ", "Temporal Adaptive Quantization", DEFAULT_TEMPORAL_AQ, conditional_param_flags)); } g_object_class_install_property (object_class, PROP_ZERO_REORDER_DELAY, g_param_spec_boolean ("zero-reorder-delay", "Zero Reorder Delay", "Zero latency operation (i.e., num_reorder_frames = 0)", DEFAULT_ZERO_REORDER_DELAY, param_flags)); g_object_class_install_property (object_class, PROP_NON_REF_P, g_param_spec_boolean ("nonref-p", "Nonref P", "Automatic insertion of non-reference P-frames", DEFAULT_NON_REF_P, param_flags)); g_object_class_install_property (object_class, PROP_STRICT_GOP, g_param_spec_boolean ("strict-gop", "Strict GOP", "Minimize GOP-to-GOP rate fluctuations", DEFAULT_STRICT_GOP, param_flags)); g_object_class_install_property (object_class, PROP_AQ_STRENGTH, g_param_spec_uint ("aq-strength", "AQ Strength", "Adaptive Quantization Strength when spatial-aq is enabled" " from 1 (low) to 15 (aggressive), (0 = autoselect)", 0, 15, DEFAULT_AQ_STRENGTH, param_flags)); g_object_class_install_property (object_class, PROP_MIN_QP_I, g_param_spec_int ("min-qp-i", "Min QP I", "Minimum QP value for I frame, (-1 = disabled)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_MIN_QP_P, g_param_spec_int ("min-qp-p", "Min QP P", "Minimum QP value for P frame, (-1 = automatic)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_MIN_QP_B, g_param_spec_int ("min-qp-b", "Min QP B", "Minimum QP value for B frame, (-1 = automatic)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_MAX_QP_I, g_param_spec_int ("max-qp-i", "Max QP I", "Maximum QP value for I frame, (-1 = disabled)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_MAX_QP_P, g_param_spec_int ("max-qp-p", "Max QP P", "Maximum QP value for P frame, (-1 = automatic)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_MAX_QP_B, g_param_spec_int ("max-qp-b", "Max QP B", "Maximum QP value for B frame, (-1 = automatic)", -1, 51, DEFAULT_QP, param_flags)); g_object_class_install_property (object_class, PROP_CONST_QUALITY, g_param_spec_double ("const-quality", "Constant Quality", "Target Constant Quality level for VBR mode (0 = automatic)", 0, 51, DEFAULT_CONST_QUALITY, param_flags)); g_object_class_install_property (object_class, PROP_AUD, g_param_spec_boolean ("aud", "AUD", "Use AU (Access Unit) delimiter", DEFAULT_AUD, param_flags)); if (dev_caps->cabac) { g_object_class_install_property (object_class, PROP_CABAC, g_param_spec_boolean ("cabac", "CABAC", "Enable CABAC entropy coding", TRUE, conditional_param_flags)); } g_object_class_install_property (object_class, PROP_REPEAT_SEQUENCE_HEADER, g_param_spec_boolean ("repeat-sequence-header", "Repeat Sequence Header", "Insert sequence headers (SPS/PPS) per IDR", DEFAULT_REPEAT_SEQUENCE_HEADER, param_flags)); switch (cdata->device_mode) { case GST_NV_ENCODER_DEVICE_CUDA: gst_element_class_set_static_metadata (element_class, "NVENC H.264 Video Encoder CUDA Mode", "Codec/Encoder/Video/Hardware", "Encode H.264 video streams using NVCODEC API CUDA Mode", "Seungha Yang "); break; case GST_NV_ENCODER_DEVICE_D3D11: gst_element_class_set_static_metadata (element_class, "NVENC H.264 Video Encoder Direct3D11 Mode", "Codec/Encoder/Video/Hardware", "Encode H.264 video streams using NVCODEC API Direct3D11 Mode", "Seungha Yang "); break; case GST_NV_ENCODER_DEVICE_AUTO_SELECT: gst_element_class_set_static_metadata (element_class, "NVENC H.264 Video Encoder Auto GPU select Mode", "Codec/Encoder/Video/Hardware", "Encode H.264 video streams using NVCODEC API auto GPU select Mode", "Seungha Yang "); break; default: g_assert_not_reached (); break; } gst_element_class_add_pad_template (element_class, gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, cdata->sink_caps)); gst_element_class_add_pad_template (element_class, gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, cdata->src_caps)); videoenc_class->getcaps = GST_DEBUG_FUNCPTR (gst_nv_h264_encoder_getcaps); nvenc_class->set_format = GST_DEBUG_FUNCPTR (gst_nv_h264_encoder_set_format); nvenc_class->set_output_state = GST_DEBUG_FUNCPTR (gst_nv_h264_encoder_set_output_state); nvenc_class->create_output_buffer = GST_DEBUG_FUNCPTR (gst_nv_h264_encoder_create_output_buffer); nvenc_class->check_reconfigure = GST_DEBUG_FUNCPTR (gst_nv_h264_encoder_check_reconfigure); nvenc_class->select_device = GST_DEBUG_FUNCPTR (gst_nv_h264_encoder_select_device); nvenc_class->calculate_min_buffers = GST_DEBUG_FUNCPTR (gst_nv_h264_encoder_calculate_min_buffers); klass->device_caps = cdata->device_caps; klass->cuda_device_id = cdata->cuda_device_id; klass->adapter_luid = cdata->adapter_luid; klass->device_mode = cdata->device_mode; klass->cuda_device_id_size = cdata->cuda_device_id_size; klass->adapter_luid_size = cdata->adapter_luid_size; memcpy (klass->cuda_device_id_list, cdata->cuda_device_id_list, sizeof (klass->cuda_device_id_list)); memcpy (klass->adapter_luid_list, cdata->adapter_luid_list, sizeof (klass->adapter_luid_list)); gst_nv_encoder_class_data_unref (cdata); } static void gst_nv_h264_encoder_init (GstNvH264Encoder * self) { GstNvH264EncoderClass *klass = GST_NV_H264_ENCODER_GET_CLASS (self); g_mutex_init (&self->prop_lock); self->selected_device_mode = klass->device_mode; self->cuda_device_id = klass->cuda_device_id; self->adapter_luid = klass->adapter_luid; self->preset = DEFAULT_PRESET; self->weighted_pred = DEFAULT_WEIGHTED_PRED; self->gop_size = DEFAULT_GOP_SIZE; self->bframes = DEFAULT_B_FRAMES; self->rc_mode = DEFAULT_RATE_CONTROL; self->qp_i = DEFAULT_QP; self->qp_p = DEFAULT_QP; self->qp_b = DEFAULT_QP; self->bitrate = DEFAULT_BITRATE; self->max_bitrate = DEFAULT_MAX_BITRATE; self->vbv_buffer_size = DEFAULT_VBV_BUFFER_SIZE; self->rc_lookahead = DEFAULT_RC_LOOKAHEAD; self->i_adapt = DEFAULT_I_ADAPT; self->b_adapt = DEFAULT_B_ADAPT; self->spatial_aq = DEFAULT_SPATIAL_AQ; self->temporal_aq = DEFAULT_TEMPORAL_AQ; self->zero_reorder_delay = DEFAULT_ZERO_REORDER_DELAY; self->non_ref_p = DEFAULT_NON_REF_P; self->strict_gop = DEFAULT_STRICT_GOP; self->aq_strength = DEFAULT_AQ_STRENGTH; self->min_qp_i = DEFAULT_QP; self->min_qp_p = DEFAULT_QP; self->min_qp_b = DEFAULT_QP; self->max_qp_i = DEFAULT_QP; self->max_qp_p = DEFAULT_QP; self->max_qp_b = DEFAULT_QP; self->const_quality = DEFAULT_CONST_QUALITY; self->aud = DEFAULT_AUD; if (klass->device_caps.cabac) self->cabac = TRUE; self->repeat_sequence_header = DEFAULT_REPEAT_SEQUENCE_HEADER; self->parser = gst_h264_nal_parser_new (); gst_nv_encoder_set_device_mode (GST_NV_ENCODER (self), klass->device_mode, klass->cuda_device_id, klass->adapter_luid); } static void gst_nv_h264_encoder_finalize (GObject * object) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (object); g_mutex_clear (&self->prop_lock); gst_h264_nal_parser_free (self->parser); G_OBJECT_CLASS (parent_class)->finalize (object); } typedef enum { UPDATE_INIT_PARAM, UPDATE_RC_PARAM, UPDATE_BITRATE, } PropUpdateLevel; static void update_boolean (GstNvH264Encoder * self, gboolean * old_val, const GValue * new_val, PropUpdateLevel level) { gboolean val = g_value_get_boolean (new_val); if (*old_val == val) return; *old_val = val; switch (level) { case UPDATE_INIT_PARAM: self->init_param_updated = TRUE; break; case UPDATE_RC_PARAM: self->rc_param_updated = TRUE; break; case UPDATE_BITRATE: self->bitrate_updated = TRUE; break; } } static void update_int (GstNvH264Encoder * self, gint * old_val, const GValue * new_val, PropUpdateLevel level) { gint val = g_value_get_int (new_val); if (*old_val == val) return; *old_val = val; switch (level) { case UPDATE_INIT_PARAM: self->init_param_updated = TRUE; break; case UPDATE_RC_PARAM: self->rc_param_updated = TRUE; break; case UPDATE_BITRATE: self->bitrate_updated = TRUE; break; } } static void update_uint (GstNvH264Encoder * self, guint * old_val, const GValue * new_val, PropUpdateLevel level) { guint val = g_value_get_uint (new_val); if (*old_val == val) return; *old_val = val; switch (level) { case UPDATE_INIT_PARAM: self->init_param_updated = TRUE; break; case UPDATE_RC_PARAM: self->rc_param_updated = TRUE; break; case UPDATE_BITRATE: self->bitrate_updated = TRUE; break; } } static void update_double (GstNvH264Encoder * self, gdouble * old_val, const GValue * new_val, PropUpdateLevel level) { gdouble val = g_value_get_double (new_val); if (*old_val == val) return; *old_val = val; switch (level) { case UPDATE_INIT_PARAM: self->init_param_updated = TRUE; break; case UPDATE_RC_PARAM: self->rc_param_updated = TRUE; break; case UPDATE_BITRATE: self->bitrate_updated = TRUE; break; } } static void gst_nv_h264_encoder_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (object); GstNvH264EncoderClass *klass = GST_NV_H264_ENCODER_GET_CLASS (self); g_mutex_lock (&self->prop_lock); switch (prop_id) { case PROP_ADAPTER_LUID:{ gint64 adapter_luid = g_value_get_int64 (value); gboolean is_valid = FALSE; for (guint i = 0; i < klass->adapter_luid_size; i++) { if (klass->adapter_luid_list[i] == adapter_luid) { self->adapter_luid = adapter_luid; is_valid = TRUE; break; } } if (!is_valid) g_warning ("%" G_GINT64_FORMAT " is not a valid adapter luid", adapter_luid); break; } case PROP_CUDA_DEVICE_ID:{ guint cuda_device_id = g_value_get_uint (value); gboolean is_valid = FALSE; for (guint i = 0; i < klass->cuda_device_id_size; i++) { if (klass->cuda_device_id_list[i] == cuda_device_id) { self->cuda_device_id = cuda_device_id; is_valid = TRUE; break; } } if (!is_valid) g_warning ("%d is not a valid cuda device id", cuda_device_id); break; } case PROP_PRESET:{ GstNvEncoderPreset preset = (GstNvEncoderPreset) g_value_get_enum (value); if (preset != self->preset) { self->preset = preset; self->init_param_updated = TRUE; } break; } case PROP_WEIGHTED_PRED: update_boolean (self, &self->weighted_pred, value, UPDATE_INIT_PARAM); break; case PROP_GOP_SIZE: update_int (self, &self->gop_size, value, UPDATE_INIT_PARAM); break; case PROP_B_FRAMES: update_uint (self, &self->bframes, value, UPDATE_INIT_PARAM); break; case PROP_RATE_CONTROL:{ GstNvEncoderRCMode mode = (GstNvEncoderRCMode) g_value_get_enum (value); if (mode != self->rc_mode) { self->rc_mode = mode; self->rc_param_updated = TRUE; } break; } case PROP_QP_I: update_int (self, &self->qp_i, value, UPDATE_RC_PARAM); break; case PROP_QP_P: update_int (self, &self->qp_p, value, UPDATE_RC_PARAM); break; case PROP_QP_B: update_int (self, &self->qp_b, value, UPDATE_RC_PARAM); break; case PROP_BITRATE: update_uint (self, &self->bitrate, value, UPDATE_BITRATE); break; case PROP_MAX_BITRATE: update_uint (self, &self->max_bitrate, value, UPDATE_BITRATE); break; case PROP_VBV_BUFFER_SIZE: update_uint (self, &self->vbv_buffer_size, value, UPDATE_RC_PARAM); break; case PROP_RC_LOOKAHEAD: /* rc-lookahead update requires pool size change */ update_uint (self, &self->rc_lookahead, value, UPDATE_INIT_PARAM); break; case PROP_I_ADAPT: update_boolean (self, &self->i_adapt, value, UPDATE_RC_PARAM); break; case PROP_B_ADAPT: update_boolean (self, &self->b_adapt, value, UPDATE_RC_PARAM); break; case PROP_SPATIAL_AQ: update_boolean (self, &self->spatial_aq, value, UPDATE_RC_PARAM); break; case PROP_TEMPORAL_AQ: update_boolean (self, &self->temporal_aq, value, UPDATE_RC_PARAM); break; case PROP_ZERO_REORDER_DELAY: update_boolean (self, &self->zero_reorder_delay, value, UPDATE_RC_PARAM); break; case PROP_NON_REF_P: update_boolean (self, &self->non_ref_p, value, UPDATE_RC_PARAM); break; case PROP_STRICT_GOP: update_boolean (self, &self->strict_gop, value, UPDATE_RC_PARAM); break; case PROP_AQ_STRENGTH: update_uint (self, &self->aq_strength, value, UPDATE_RC_PARAM); break; case PROP_MIN_QP_I: update_int (self, &self->min_qp_i, value, UPDATE_RC_PARAM); break; case PROP_MIN_QP_P: update_int (self, &self->min_qp_p, value, UPDATE_RC_PARAM); break; case PROP_MIN_QP_B: update_int (self, &self->min_qp_b, value, UPDATE_RC_PARAM); break; case PROP_MAX_QP_I: update_int (self, &self->min_qp_i, value, UPDATE_RC_PARAM); break; case PROP_MAX_QP_P: update_int (self, &self->min_qp_p, value, UPDATE_RC_PARAM); break; case PROP_MAX_QP_B: update_int (self, &self->min_qp_b, value, UPDATE_RC_PARAM); break; case PROP_CONST_QUALITY: update_double (self, &self->const_quality, value, UPDATE_RC_PARAM); break; case PROP_AUD: update_boolean (self, &self->aud, value, UPDATE_INIT_PARAM); break; case PROP_CABAC: update_boolean (self, &self->cabac, value, UPDATE_INIT_PARAM); break; case PROP_REPEAT_SEQUENCE_HEADER: update_boolean (self, &self->repeat_sequence_header, value, UPDATE_INIT_PARAM); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } g_mutex_unlock (&self->prop_lock); } static void gst_nv_h264_encoder_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (object); switch (prop_id) { case PROP_ADAPTER_LUID: g_value_set_int64 (value, self->adapter_luid); break; case PROP_CUDA_DEVICE_ID: g_value_set_uint (value, self->cuda_device_id); break; case PROP_PRESET: g_value_set_enum (value, self->preset); break; case PROP_WEIGHTED_PRED: g_value_set_boolean (value, self->weighted_pred); break; case PROP_GOP_SIZE: g_value_set_int (value, self->gop_size); break; case PROP_B_FRAMES: g_value_set_uint (value, self->bframes); break; case PROP_RATE_CONTROL: g_value_set_enum (value, self->rc_mode); break; case PROP_QP_I: g_value_set_int (value, self->qp_i); break; case PROP_QP_P: g_value_set_int (value, self->qp_p); break; case PROP_QP_B: g_value_set_int (value, self->qp_b); break; case PROP_BITRATE: g_value_set_uint (value, self->bitrate); break; case PROP_MAX_BITRATE: g_value_set_uint (value, self->max_bitrate); break; case PROP_VBV_BUFFER_SIZE: g_value_set_uint (value, self->vbv_buffer_size); break; case PROP_RC_LOOKAHEAD: g_value_set_uint (value, self->rc_lookahead); break; case PROP_I_ADAPT: g_value_set_boolean (value, self->i_adapt); break; case PROP_B_ADAPT: g_value_set_boolean (value, self->b_adapt); break; case PROP_SPATIAL_AQ: g_value_set_boolean (value, self->spatial_aq); break; case PROP_TEMPORAL_AQ: g_value_set_boolean (value, self->temporal_aq); break; case PROP_ZERO_REORDER_DELAY: g_value_set_boolean (value, self->zero_reorder_delay); break; case PROP_NON_REF_P: g_value_set_boolean (value, self->non_ref_p); break; case PROP_STRICT_GOP: g_value_set_boolean (value, self->strict_gop); break; case PROP_AQ_STRENGTH: g_value_set_uint (value, self->aq_strength); break; case PROP_MIN_QP_I: g_value_set_int (value, self->min_qp_i); break; case PROP_MIN_QP_P: g_value_set_int (value, self->min_qp_p); break; case PROP_MIN_QP_B: g_value_set_int (value, self->min_qp_b); break; case PROP_MAX_QP_I: g_value_set_int (value, self->max_qp_i); break; case PROP_MAX_QP_P: g_value_set_int (value, self->max_qp_p); break; case PROP_MAX_QP_B: g_value_set_int (value, self->max_qp_b); break; case PROP_CONST_QUALITY: g_value_set_double (value, self->const_quality); break; case PROP_AUD: g_value_set_boolean (value, self->aud); break; case PROP_CABAC: g_value_set_boolean (value, self->cabac); break; case PROP_REPEAT_SEQUENCE_HEADER: g_value_set_boolean (value, self->repeat_sequence_header); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_nv_h264_encoder_get_downstream_profiles_and_format (GstNvH264Encoder * self, std::set < std::string > &downstream_profiles, gboolean * packetized) { GstCaps *allowed_caps; GstStructure *s; const gchar *stream_format; allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (self)); if (!allowed_caps || gst_caps_is_empty (allowed_caps) || gst_caps_is_any (allowed_caps)) { gst_clear_caps (&allowed_caps); return; } for (guint i = 0; i < gst_caps_get_size (allowed_caps); i++) { const GValue *profile_value; const gchar *profile; s = gst_caps_get_structure (allowed_caps, i); profile_value = gst_structure_get_value (s, "profile"); if (!profile_value) continue; if (GST_VALUE_HOLDS_LIST (profile_value)) { for (guint j = 0; j < gst_value_list_get_size (profile_value); j++) { const GValue *p = gst_value_list_get_value (profile_value, j); if (!G_VALUE_HOLDS_STRING (p)) continue; profile = g_value_get_string (p); if (profile) downstream_profiles.insert (profile); } } else if (G_VALUE_HOLDS_STRING (profile_value)) { profile = g_value_get_string (profile_value); if (profile) downstream_profiles.insert (profile); } } if (packetized) { *packetized = FALSE; allowed_caps = gst_caps_fixate (allowed_caps); s = gst_caps_get_structure (allowed_caps, 0); stream_format = gst_structure_get_string (s, "stream-format"); if (g_strcmp0 (stream_format, "avc") == 0) *packetized = TRUE; } gst_caps_unref (allowed_caps); } static GstCaps * gst_nv_h264_encoder_getcaps (GstVideoEncoder * encoder, GstCaps * filter) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (encoder); GstNvH264EncoderClass *klass = GST_NV_H264_ENCODER_GET_CLASS (self); GstCaps *allowed_caps; GstCaps *template_caps; GstCaps *filtered_caps; GstCaps *supported_caps; std::set < std::string > downstream_profiles; std::set < std::string > allowed_formats; gboolean profile_support_interlaced = FALSE; gst_nv_h264_encoder_get_downstream_profiles_and_format (self, downstream_profiles, nullptr); GST_DEBUG_OBJECT (self, "Downstream specified %" G_GSIZE_FORMAT " profiles", downstream_profiles.size ()); if (downstream_profiles.size () == 0) return gst_video_encoder_proxy_getcaps (encoder, nullptr, filter); /* *INDENT-OFF* */ for (const auto &iter: downstream_profiles) { if (iter == "high" || iter == "main") { profile_support_interlaced = TRUE; } if (iter == "high-4:4:4") { profile_support_interlaced = TRUE; allowed_formats.insert("Y444"); } else { allowed_formats.insert("NV12"); } } /* *INDENT-ON* */ GST_DEBUG_OBJECT (self, "Downstream %s support interlaced format", profile_support_interlaced ? "can" : "cannot"); template_caps = gst_pad_get_pad_template_caps (encoder->sinkpad); allowed_caps = gst_caps_copy (template_caps); if (klass->device_caps.field_encoding == 0 || !profile_support_interlaced) { gst_caps_set_simple (allowed_caps, "interlace-mode", G_TYPE_STRING, "progressive", nullptr); } GValue formats = G_VALUE_INIT; g_value_init (&formats, GST_TYPE_LIST); /* *INDENT-OFF* */ for (const auto &iter: allowed_formats) { GValue val = G_VALUE_INIT; g_value_init (&val, G_TYPE_STRING); g_value_set_string (&val, iter.c_str()); gst_value_list_append_and_take_value (&formats, &val); } /* *INDENT-ON* */ gst_caps_set_value (allowed_caps, "format", &formats); g_value_unset (&formats); filtered_caps = gst_caps_intersect_full (template_caps, allowed_caps, GST_CAPS_INTERSECT_FIRST); supported_caps = gst_video_encoder_proxy_getcaps (encoder, filtered_caps, filter); gst_caps_unref (filtered_caps); gst_caps_unref (allowed_caps); gst_caps_unref (template_caps); GST_DEBUG_OBJECT (self, "Returning %" GST_PTR_FORMAT, supported_caps); return supported_caps; } static gboolean gst_nv_h264_encoder_set_format (GstNvEncoder * encoder, GstVideoCodecState * state, gpointer session, NV_ENC_INITIALIZE_PARAMS * init_params, NV_ENC_CONFIG * config) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (encoder); GstNvH264EncoderClass *klass = GST_NV_H264_ENCODER_GET_CLASS (self); GstNvEncoderDeviceCaps *dev_caps = &klass->device_caps; NV_ENC_RC_PARAMS *rc_params; GstVideoInfo *info = &state->info; NVENCSTATUS status; NV_ENC_PRESET_CONFIG preset_config = { 0, }; gint dar_n, dar_d; GstNvEncoderRCMode rc_mode; NV_ENC_CONFIG_H264 *h264_config; NV_ENC_CONFIG_H264_VUI_PARAMETERS *vui; std::set < std::string > downstream_profiles; GUID selected_profile = NV_ENC_CODEC_PROFILE_AUTOSELECT_GUID; gboolean downstream_supports_bframe = FALSE; gboolean bframe_aborted = FALSE; gboolean weight_pred_aborted = FALSE; gboolean vbv_buffer_size_aborted = FALSE; gboolean lookahead_aborted = FALSE; gboolean temporal_aq_aborted = FALSE; self->packetized = FALSE; gst_nv_h264_encoder_get_downstream_profiles_and_format (self, downstream_profiles, &self->packetized); if (downstream_profiles.empty ()) { GST_ERROR_OBJECT (self, "Unable to get downstream profile"); return FALSE; } if (GST_VIDEO_INFO_IS_INTERLACED (info)) { downstream_profiles.erase ("progressive-high"); downstream_profiles.erase ("constrained-high"); downstream_profiles.erase ("constrained-baseline"); downstream_profiles.erase ("baseline"); if (downstream_profiles.empty ()) { GST_ERROR_OBJECT (self, "None of downstream profile supports interlaced encoding"); return FALSE; } } if (GST_VIDEO_INFO_FORMAT (info) == GST_VIDEO_FORMAT_Y444) { if (downstream_profiles.find ("high-4:4:4") == downstream_profiles.end ()) { GST_ERROR_OBJECT (self, "Downstream does not support 4:4:4 profile"); return FALSE; } else { selected_profile = NV_ENC_H264_PROFILE_HIGH_444_GUID; downstream_supports_bframe = TRUE; } } else { /* *INDENT-OFF* */ for (const auto &iter: downstream_profiles) { if (iter == "high" || iter == "main" || iter == "progressive-high") { downstream_supports_bframe = TRUE; } } /* *INDENT-ON* */ } g_mutex_lock (&self->prop_lock); if (klass->device_mode == GST_NV_ENCODER_DEVICE_AUTO_SELECT) { GstNvEncoderDeviceCaps dev_caps; gst_nv_encoder_get_encoder_caps (session, &NV_ENC_CODEC_H264_GUID, &dev_caps); if (self->bframes > 0 && !dev_caps.max_bframes) { self->bframes = 0; bframe_aborted = TRUE; GST_INFO_OBJECT (self, "B-frame was enabled but not support by device"); } if (self->weighted_pred && !dev_caps.weighted_prediction) { self->weighted_pred = FALSE; weight_pred_aborted = TRUE; GST_INFO_OBJECT (self, "Weighted prediction was enabled but not support by device"); } if (self->vbv_buffer_size && !dev_caps.custom_vbv_buf_size) { self->vbv_buffer_size = 0; vbv_buffer_size_aborted = TRUE; GST_INFO_OBJECT (self, "VBV buffer size was specified but not supported by device"); } if (self->rc_lookahead && !dev_caps.lookahead) { self->rc_lookahead = 0; lookahead_aborted = TRUE; GST_INFO_OBJECT (self, "VBV buffer size was specified but not supported by device"); } if (self->temporal_aq && !dev_caps.temporal_aq) { self->temporal_aq = FALSE; temporal_aq_aborted = TRUE; GST_INFO_OBJECT (self, "temporal-aq was enabled but not supported by device"); } } init_params->version = gst_nvenc_get_initialize_params_version (); init_params->encodeGUID = NV_ENC_CODEC_H264_GUID; init_params->encodeWidth = GST_VIDEO_INFO_WIDTH (info); init_params->maxEncodeWidth = GST_VIDEO_INFO_WIDTH (info); init_params->encodeHeight = GST_VIDEO_INFO_HEIGHT (info); init_params->maxEncodeHeight = GST_VIDEO_INFO_HEIGHT (info); init_params->enablePTD = TRUE; if (dev_caps->async_encoding_support) init_params->enableEncodeAsync = 1; if (info->fps_d > 0 && info->fps_n > 0) { init_params->frameRateNum = info->fps_n; init_params->frameRateDen = info->fps_d; } else { init_params->frameRateNum = 0; init_params->frameRateDen = 1; } init_params->enableWeightedPrediction = self->weighted_pred; if (gst_util_fraction_multiply (GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info), GST_VIDEO_INFO_PAR_N (info), GST_VIDEO_INFO_PAR_D (info), &dar_n, &dar_d) && dar_n > 0 && dar_d > 0) { init_params->darWidth = dar_n; init_params->darHeight = dar_d; } if (GST_VIDEO_INFO_IS_INTERLACED (info) && dev_caps->field_encoding > 0) { switch (GST_VIDEO_INFO_INTERLACE_MODE (info)) { case GST_VIDEO_INTERLACE_MODE_INTERLEAVED: case GST_VIDEO_INTERLACE_MODE_MIXED: config->frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD; preset_config.presetCfg.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD; break; default: break; } } gst_nv_encoder_preset_to_guid (self->preset, &init_params->presetGUID); preset_config.version = gst_nvenc_get_preset_config_version (); preset_config.presetCfg.version = gst_nvenc_get_config_version (); status = NvEncGetEncodePresetConfig (session, NV_ENC_CODEC_H264_GUID, init_params->presetGUID, &preset_config); if (status != NV_ENC_SUCCESS) { GST_ERROR_OBJECT (self, "Failed to get preset config %" GST_NVENC_STATUS_FORMAT, GST_NVENC_STATUS_ARGS (status)); g_mutex_unlock (&self->prop_lock); return FALSE; } *config = preset_config.presetCfg; if (self->gop_size < 0) { config->gopLength = NVENC_INFINITE_GOPLENGTH; config->frameIntervalP = 1; } else if (self->gop_size > 0) { config->gopLength = self->gop_size; /* frameIntervalP * 0: All Intra frames * 1: I/P only * 2: IBP * 3: IBBP */ config->frameIntervalP = 1; if (self->bframes > 0 && !downstream_supports_bframe) { GST_WARNING_OBJECT (self, "B-frame was enabled but downstream profile does not support it"); bframe_aborted = TRUE; self->bframes = 0; } config->frameIntervalP = self->bframes + 1; } else { /* gop size == 0 means all intra frames */ config->gopLength = 1; config->frameIntervalP = 0; } rc_params = &config->rcParams; rc_mode = self->rc_mode; if (self->bitrate) rc_params->averageBitRate = self->bitrate * 1024; if (self->max_bitrate) rc_params->maxBitRate = self->max_bitrate * 1024; if (self->vbv_buffer_size) rc_params->vbvBufferSize = self->vbv_buffer_size * 1024; if (self->min_qp_i >= 0) { rc_params->enableMinQP = TRUE; rc_params->minQP.qpIntra = self->min_qp_i; if (self->min_qp_p >= 0) { rc_params->minQP.qpInterP = self->min_qp_p; } else { rc_params->minQP.qpInterP = rc_params->minQP.qpIntra; } if (self->min_qp_b >= 0) { rc_params->minQP.qpInterB = self->min_qp_b; } else { rc_params->minQP.qpInterB = rc_params->minQP.qpInterP; } } if (self->max_qp_i >= 0) { rc_params->enableMaxQP = TRUE; rc_params->maxQP.qpIntra = self->max_qp_i; if (self->max_qp_p >= 0) { rc_params->maxQP.qpInterP = self->max_qp_p; } else { rc_params->maxQP.qpInterP = rc_params->maxQP.qpIntra; } if (self->max_qp_b >= 0) { rc_params->maxQP.qpInterB = self->max_qp_b; } else { rc_params->maxQP.qpInterB = rc_params->maxQP.qpInterP; } } if (rc_mode == GST_NV_ENCODER_RC_MODE_CONSTQP) { if (self->qp_i >= 0) rc_params->constQP.qpIntra = self->qp_i; if (self->qp_p >= 0) rc_params->constQP.qpInterP = self->qp_p; if (self->qp_b >= 0) rc_params->constQP.qpInterB = self->qp_b; } rc_params->rateControlMode = gst_nv_encoder_rc_mode_to_native (rc_mode); if (self->spatial_aq) { rc_params->enableAQ = TRUE; rc_params->aqStrength = self->aq_strength; } rc_params->enableTemporalAQ = self->temporal_aq; if (self->rc_lookahead) { rc_params->enableLookahead = 1; rc_params->lookaheadDepth = self->rc_lookahead; rc_params->disableIadapt = !self->i_adapt; rc_params->disableBadapt = !self->b_adapt; } rc_params->strictGOPTarget = self->strict_gop; rc_params->enableNonRefP = self->non_ref_p; rc_params->zeroReorderDelay = self->zero_reorder_delay; if (self->const_quality) { guint scaled = (gint) (self->const_quality * 256.0); rc_params->targetQuality = (guint8) (scaled >> 8); rc_params->targetQualityLSB = (guint8) (scaled & 0xff); } self->init_param_updated = FALSE; self->bitrate_updated = FALSE; self->rc_param_updated = FALSE; if (selected_profile == NV_ENC_CODEC_PROFILE_AUTOSELECT_GUID && config->frameIntervalP > 1) { if (downstream_profiles.find ("main") != downstream_profiles.end ()) { selected_profile = NV_ENC_H264_PROFILE_MAIN_GUID; } else if (downstream_profiles.find ("high") != downstream_profiles.end ()) { selected_profile = NV_ENC_H264_PROFILE_HIGH_GUID; } else if (downstream_profiles.find ("progressive-high") != downstream_profiles.end ()) { selected_profile = NV_ENC_H264_PROFILE_PROGRESSIVE_HIGH_GUID; } } /* Pick the first profile */ if (selected_profile == NV_ENC_CODEC_PROFILE_AUTOSELECT_GUID) { if (*downstream_profiles.begin () == "baseline" || *downstream_profiles.begin () == "constrained-baseline") { selected_profile = NV_ENC_H264_PROFILE_BASELINE_GUID; } else if (*downstream_profiles.begin () == "main") { selected_profile = NV_ENC_H264_PROFILE_MAIN_GUID; } else if (*downstream_profiles.begin () == "progressive-high") { selected_profile = NV_ENC_H264_PROFILE_PROGRESSIVE_HIGH_GUID; } else if (*downstream_profiles.begin () == "constrained-high") { selected_profile = NV_ENC_H264_PROFILE_CONSTRAINED_HIGH_GUID; } } config->profileGUID = selected_profile; h264_config = &config->encodeCodecConfig.h264Config; vui = &h264_config->h264VUIParameters; h264_config->level = NV_ENC_LEVEL_AUTOSELECT; h264_config->chromaFormatIDC = 1; if (selected_profile == NV_ENC_H264_PROFILE_HIGH_444_GUID) h264_config->chromaFormatIDC = 3; h264_config->idrPeriod = config->gopLength; h264_config->outputAUD = self->aud; if (self->repeat_sequence_header) { h264_config->disableSPSPPS = 0; h264_config->repeatSPSPPS = 1; } else { if (self->packetized) h264_config->disableSPSPPS = 1; else h264_config->disableSPSPPS = 0; } if (dev_caps->cabac && selected_profile != NV_ENC_H264_PROFILE_BASELINE_GUID) { if (self->cabac) h264_config->entropyCodingMode = NV_ENC_H264_ENTROPY_CODING_MODE_CABAC; else h264_config->entropyCodingMode = NV_ENC_H264_ENTROPY_CODING_MODE_CAVLC; } else { h264_config->entropyCodingMode = NV_ENC_H264_ENTROPY_CODING_MODE_AUTOSELECT; } vui->videoSignalTypePresentFlag = 1; /* Unspecified */ vui->videoFormat = 5; if (info->colorimetry.range == GST_VIDEO_COLOR_RANGE_0_255) { vui->videoFullRangeFlag = 1; } else { vui->videoFullRangeFlag = 0; } vui->colourDescriptionPresentFlag = 1; vui->colourMatrix = gst_video_color_matrix_to_iso (info->colorimetry.matrix); vui->colourPrimaries = gst_video_color_primaries_to_iso (info->colorimetry.primaries); vui->transferCharacteristics = gst_video_transfer_function_to_iso (info->colorimetry.transfer); g_mutex_unlock (&self->prop_lock); if (bframe_aborted) g_object_notify (G_OBJECT (self), "b-frames"); if (weight_pred_aborted) g_object_notify (G_OBJECT (self), "weighted-pred"); if (vbv_buffer_size_aborted) g_object_notify (G_OBJECT (self), "vbv-buffer-size"); if (lookahead_aborted) g_object_notify (G_OBJECT (self), "rc-lookahead"); if (temporal_aq_aborted) g_object_notify (G_OBJECT (self), "temporal-aq"); return TRUE; } static gboolean gst_nv_h264_encoder_set_output_state (GstNvEncoder * encoder, GstVideoCodecState * state, gpointer session) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (encoder); GstVideoCodecState *output_state; NV_ENC_SEQUENCE_PARAM_PAYLOAD seq_params = { 0, }; guint8 spspps[1024]; guint32 seq_size; GstCaps *caps; const gchar *profile_from_sps; NVENCSTATUS status; std::set < std::string > downstream_profiles; std::string caps_str; GstTagList *tags; GstBuffer *codec_data = nullptr; GstH264NalUnit sps_nalu, pps_nalu; GstH264ParserResult rst; caps_str = "video/x-h264, alignment = (string) au"; gst_nv_h264_encoder_get_downstream_profiles_and_format (self, downstream_profiles, nullptr); seq_params.version = gst_nvenc_get_sequence_param_payload_version (); seq_params.inBufferSize = sizeof (spspps); seq_params.spsppsBuffer = &spspps; seq_params.outSPSPPSPayloadSize = &seq_size; status = NvEncGetSequenceParams (session, &seq_params); if (status != NV_ENC_SUCCESS) { GST_ERROR_OBJECT (self, "Failed to get sequence header, status %" GST_NVENC_STATUS_FORMAT, GST_NVENC_STATUS_ARGS (status)); return FALSE; } rst = gst_h264_parser_identify_nalu (self->parser, spspps, 0, seq_size, &sps_nalu); if (rst != GST_H264_PARSER_OK) { GST_ERROR_OBJECT (self, "Failed to identify SPS nal"); return FALSE; } if (sps_nalu.size < 4) { GST_ERROR_OBJECT (self, "Too small sps nal size %d", sps_nalu.size); return FALSE; } rst = gst_h264_parser_identify_nalu_unchecked (self->parser, spspps, sps_nalu.offset + sps_nalu.size, seq_size, &pps_nalu); if (rst != GST_H264_PARSER_OK && self->packetized) { GST_ERROR_OBJECT (self, "Failed to identify PPS nal, %d", rst); return FALSE; } if (self->packetized) { GstMapInfo info; guint8 *data; guint8 profile_idc, profile_comp, level_idc; const guint nal_length_size = 4; const guint num_sps = 1; const guint num_pps = 1; data = sps_nalu.data + sps_nalu.offset + sps_nalu.header_bytes; profile_idc = data[0]; profile_comp = data[1]; level_idc = data[2]; /* 5: configuration version, profile, compatibility, level, nal length * 1: num sps * 2: sps size bytes * sizeof (sps) * 1: num pps * 2: pps size bytes * sizeof (pps) * * -> 11 + sps_size + pps_size */ codec_data = gst_buffer_new_and_alloc (11 + sps_nalu.size + pps_nalu.size); gst_buffer_map (codec_data, &info, GST_MAP_WRITE); data = (guint8 *) info.data; data[0] = 1; data[1] = profile_idc; data[2] = profile_comp; data[3] = level_idc; data[4] = 0xfc | (nal_length_size - 1); data[5] = 0xe0 | num_sps; data += 6; GST_WRITE_UINT16_BE (data, sps_nalu.size); data += 2; memcpy (data, sps_nalu.data + sps_nalu.offset, sps_nalu.size); data += sps_nalu.size; data[0] = num_pps; data++; GST_WRITE_UINT16_BE (data, pps_nalu.size); data += 2; memcpy (data, pps_nalu.data + pps_nalu.offset, pps_nalu.size); gst_buffer_unmap (codec_data, &info); } profile_from_sps = gst_codec_utils_h264_get_profile (sps_nalu.data + sps_nalu.offset + sps_nalu.header_bytes, 3); if (!profile_from_sps) { GST_WARNING_OBJECT (self, "Failed to parse profile from SPS"); } else if (!downstream_profiles.empty ()) { if (downstream_profiles.find (profile_from_sps) != downstream_profiles.end ()) { caps_str += ", profile = (string) " + std::string (profile_from_sps); } else if (downstream_profiles.find ("baseline") != downstream_profiles.end () && strcmp (profile_from_sps, "constrained-baseline") == 0) { caps_str += ", profile = (string) baseline"; } else if (downstream_profiles.find ("constrained-baseline") != downstream_profiles.end () && strcmp (profile_from_sps, "constrained-baseline") == 0) { caps_str += ", profile = (string) constrained-baseline"; } } else { caps_str += ", profile = (string) " + std::string (profile_from_sps); } if (self->packetized) { caps_str += ", stream-format = (string) avc"; } else { caps_str += ", stream-format = (string) byte-stream"; } caps = gst_caps_from_string (caps_str.c_str ()); if (self->packetized) { gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, codec_data, nullptr); gst_buffer_unref (codec_data); } output_state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (self), caps, state); GST_INFO_OBJECT (self, "Output caps: %" GST_PTR_FORMAT, output_state->caps); gst_video_codec_state_unref (output_state); tags = gst_tag_list_new_empty (); gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, "nvh264encoder", nullptr); gst_video_encoder_merge_tags (GST_VIDEO_ENCODER (encoder), tags, GST_TAG_MERGE_REPLACE); gst_tag_list_unref (tags); return TRUE; } static GstBuffer * gst_nv_h264_encoder_create_output_buffer (GstNvEncoder * encoder, NV_ENC_LOCK_BITSTREAM * bitstream) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (encoder); GstBuffer *buffer; GstH264ParserResult rst; GstH264NalUnit nalu; if (!self->packetized) { return gst_buffer_new_memdup (bitstream->bitstreamBufferPtr, bitstream->bitstreamSizeInBytes); } buffer = gst_buffer_new (); rst = gst_h264_parser_identify_nalu (self->parser, (guint8 *) bitstream->bitstreamBufferPtr, 0, bitstream->bitstreamSizeInBytes, &nalu); if (rst == GST_H264_PARSER_NO_NAL_END) rst = GST_H264_PARSER_OK; while (rst == GST_H264_PARSER_OK) { GstMemory *mem; guint8 *data; data = (guint8 *) g_malloc0 (nalu.size + 4); GST_WRITE_UINT32_BE (data, nalu.size); memcpy (data + 4, nalu.data + nalu.offset, nalu.size); mem = gst_memory_new_wrapped ((GstMemoryFlags) 0, data, nalu.size + 4, 0, nalu.size + 4, data, (GDestroyNotify) g_free); gst_buffer_append_memory (buffer, mem); rst = gst_h264_parser_identify_nalu (self->parser, (guint8 *) bitstream->bitstreamBufferPtr, nalu.offset + nalu.size, bitstream->bitstreamSizeInBytes, &nalu); if (rst == GST_H264_PARSER_NO_NAL_END) rst = GST_H264_PARSER_OK; } return buffer; } static GstNvEncoderReconfigure gst_nv_h264_encoder_check_reconfigure (GstNvEncoder * encoder, NV_ENC_CONFIG * config) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (encoder); GstNvEncoderReconfigure reconfig = GST_NV_ENCODER_RECONFIGURE_NONE; /* Dynamic RC param update is not tested, do soft-reconfigure only for * bitrate update */ g_mutex_lock (&self->prop_lock); if (self->init_param_updated || self->rc_param_updated) { reconfig = GST_NV_ENCODER_RECONFIGURE_FULL; goto done; } if (self->bitrate_updated) { GstNvH264EncoderClass *klass = GST_NV_H264_ENCODER_GET_CLASS (self); if (klass->device_caps.dyn_bitrate_change > 0) { config->rcParams.averageBitRate = self->bitrate * 1024; config->rcParams.maxBitRate = self->max_bitrate * 1024; reconfig = GST_NV_ENCODER_RECONFIGURE_BITRATE; } else { reconfig = GST_NV_ENCODER_RECONFIGURE_FULL; } } done: self->init_param_updated = FALSE; self->rc_param_updated = FALSE; self->bitrate_updated = FALSE; g_mutex_unlock (&self->prop_lock); return reconfig; } static gboolean gst_nv_h264_encoder_select_device (GstNvEncoder * encoder, const GstVideoInfo * info, GstBuffer * buffer, GstNvEncoderDeviceData * data) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (encoder); GstNvH264EncoderClass *klass = GST_NV_H264_ENCODER_GET_CLASS (self); GstMemory *mem; memset (data, 0, sizeof (GstNvEncoderDeviceData)); g_assert (klass->device_mode == GST_NV_ENCODER_DEVICE_AUTO_SELECT); mem = gst_buffer_peek_memory (buffer, 0); if (klass->cuda_device_id_size > 0 && gst_is_cuda_memory (mem)) { GstCudaMemory *cmem = GST_CUDA_MEMORY_CAST (mem); GstCudaContext *context = cmem->context; guint device_id; gboolean found = FALSE; g_object_get (context, "cuda-device-id", &device_id, nullptr); data->device_mode = GST_NV_ENCODER_DEVICE_CUDA; self->selected_device_mode = GST_NV_ENCODER_DEVICE_CUDA; for (guint i = 0; i < klass->cuda_device_id_size; i++) { if (klass->cuda_device_id_list[i] == device_id) { data->cuda_device_id = device_id; found = TRUE; break; } } if (!found) { GST_INFO_OBJECT (self, "Upstream CUDA device is not in supported device list"); data->cuda_device_id = self->cuda_device_id; } else { data->device = (GstObject *) gst_object_ref (context); } if (data->cuda_device_id != self->cuda_device_id) { self->cuda_device_id = data->cuda_device_id; g_object_notify (G_OBJECT (self), "cuda-device-id"); } return TRUE; } #ifdef GST_CUDA_HAS_D3D if (klass->adapter_luid_size > 0 && gst_is_d3d11_memory (mem)) { GstD3D11Memory *dmem = GST_D3D11_MEMORY_CAST (mem); GstD3D11Device *device = dmem->device; gint64 adapter_luid; gboolean found = FALSE; g_object_get (device, "adapter-luid", &adapter_luid, nullptr); data->device_mode = GST_NV_ENCODER_DEVICE_D3D11; self->selected_device_mode = GST_NV_ENCODER_DEVICE_D3D11; for (guint i = 0; i < klass->cuda_device_id_size; i++) { if (klass->adapter_luid_list[i] == adapter_luid) { data->adapter_luid = adapter_luid; found = TRUE; break; } } if (!found) { GST_INFO_OBJECT (self, "Upstream D3D11 device is not in supported device list"); data->adapter_luid = self->adapter_luid; } else { data->device = (GstObject *) gst_object_ref (device); } if (data->adapter_luid != self->adapter_luid) { self->adapter_luid = data->adapter_luid; g_object_notify (G_OBJECT (self), "adapter-luid"); } return TRUE; } #endif if (klass->cuda_device_id_size > 0 && (self->selected_device_mode != GST_NV_ENCODER_DEVICE_D3D11)) { GST_INFO_OBJECT (self, "Upstream is system memory, use CUDA mode"); data->device_mode = GST_NV_ENCODER_DEVICE_CUDA; data->cuda_device_id = self->cuda_device_id; } else { GST_INFO_OBJECT (self, "Upstream is system memory, use D3D11 mode"); data->device_mode = GST_NV_ENCODER_DEVICE_D3D11; data->adapter_luid = klass->adapter_luid; } self->selected_device_mode = data->device_mode; return TRUE; } static guint gst_nv_h264_encoder_calculate_min_buffers (GstNvEncoder * encoder) { GstNvH264Encoder *self = GST_NV_H264_ENCODER (encoder); guint num_buffers; /* At least 4 surfaces are required as documented by Nvidia Encoder guide */ num_buffers = 4; /* lookahead depth */ num_buffers += self->rc_lookahead; /* B frames + 1 */ num_buffers += self->bframes + 1; return num_buffers; } static GstNvEncoderClassData * gst_nv_h264_encoder_create_class_data (GstObject * device, gpointer session, GstNvEncoderDeviceMode device_mode) { NVENCSTATUS status; GstNvEncoderDeviceCaps dev_caps = { 0, }; GUID profile_guids[16]; NV_ENC_BUFFER_FORMAT input_formats[16]; guint32 profile_guid_count = 0; guint32 input_format_count = 0; std::string sink_caps_str; std::string src_caps_str; std::string format_str; std::set < std::string > formats; std::set < std::string > profiles; std::string profile_str; std::string resolution_str; GstNvEncoderClassData *cdata; GstCaps *sink_caps; GstCaps *system_caps; status = NvEncGetEncodeProfileGUIDs (session, NV_ENC_CODEC_H264_GUID, profile_guids, G_N_ELEMENTS (profile_guids), &profile_guid_count); if (status != NV_ENC_SUCCESS || profile_guid_count == 0) { GST_WARNING_OBJECT (device, "Unable to get supported profiles"); return nullptr; } status = NvEncGetInputFormats (session, NV_ENC_CODEC_H264_GUID, input_formats, G_N_ELEMENTS (input_formats), &input_format_count); if (status != NV_ENC_SUCCESS || input_format_count == 0) { GST_WARNING_OBJECT (device, "Unable to get supported input formats"); return nullptr; } gst_nv_encoder_get_encoder_caps (session, &NV_ENC_CODEC_H264_GUID, &dev_caps); for (guint32 i = 0; i < input_format_count; i++) { switch (input_formats[i]) { case NV_ENC_BUFFER_FORMAT_NV12: formats.insert ("NV12"); break; case NV_ENC_BUFFER_FORMAT_YUV444: if (dev_caps.yuv444_encode) formats.insert ("Y444"); break; default: break; } } if (formats.empty ()) { GST_WARNING_OBJECT (device, "Empty supported input format"); return nullptr; } #define APPEND_STRING(dst,set,str) G_STMT_START { \ if (set.find(str) != set.end()) { \ if (!first) \ dst += ", "; \ dst += str; \ first = false; \ } \ } G_STMT_END if (formats.size () == 1) { format_str = "format = (string) " + *(formats.begin ()); } else { bool first = true; format_str = "format = (string) { "; APPEND_STRING (format_str, formats, "NV12"); APPEND_STRING (format_str, formats, "Y444"); format_str += " }"; } for (guint32 i = 0; i < profile_guid_count; i++) { if (profile_guids[i] == NV_ENC_H264_PROFILE_BASELINE_GUID) { profiles.insert ("baseline"); profiles.insert ("constrained-baseline"); } else if (profile_guids[i] == NV_ENC_H264_PROFILE_MAIN_GUID) { profiles.insert ("main"); } else if (profile_guids[i] == NV_ENC_H264_PROFILE_HIGH_GUID) { profiles.insert ("high"); } else if (profile_guids[i] == NV_ENC_H264_PROFILE_HIGH_444_GUID) { profiles.insert ("high-4:4:4"); } else if (profile_guids[i] == NV_ENC_H264_PROFILE_PROGRESSIVE_HIGH_GUID) { profiles.insert ("progressive-high"); } else if (profile_guids[i] == NV_ENC_H264_PROFILE_CONSTRAINED_HIGH_GUID) { profiles.insert ("constrained-high"); } } if (profiles.empty ()) { GST_WARNING_OBJECT (device, "Empty supported h264 profile"); return nullptr; } if (profiles.size () == 1) { profile_str = "profile = (string) " + *(profiles.begin ()); } else { bool first = true; profile_str = "profile = (string) { "; APPEND_STRING (profile_str, profiles, "main"); APPEND_STRING (profile_str, profiles, "high"); APPEND_STRING (profile_str, profiles, "progressive-high"); APPEND_STRING (profile_str, profiles, "constrained-high"); APPEND_STRING (profile_str, profiles, "constrained-baseline"); APPEND_STRING (profile_str, profiles, "baseline"); APPEND_STRING (profile_str, profiles, "high-4:4:4"); profile_str += " }"; } #undef APPEND_STRING resolution_str = "width = (int) [ " + std::to_string (GST_ROUND_UP_16 (dev_caps.width_min)) + ", " + std::to_string (dev_caps.width_max) + " ]"; resolution_str += ", height = (int) [ " + std::to_string (GST_ROUND_UP_16 (dev_caps.height_min)) + ", " + std::to_string (dev_caps.height_max) + " ]"; sink_caps_str = "video/x-raw, " + format_str + ", " + resolution_str; if (dev_caps.field_encoding > 0) { sink_caps_str += ", interlace-mode = (string) { progressive, interleaved, mixed }"; } else { sink_caps_str += ", interlace-mode = (string) progressive"; } src_caps_str = "video/x-h264, " + resolution_str + ", " + profile_str + ", stream-format = (string) { avc, byte-stream }, alignment = (string) au"; system_caps = gst_caps_from_string (sink_caps_str.c_str ()); sink_caps = gst_caps_copy (system_caps); #ifdef GST_CUDA_HAS_D3D if (device_mode == GST_NV_ENCODER_DEVICE_D3D11) { gst_caps_set_features (sink_caps, 0, gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, nullptr)); } #endif if (device_mode == GST_NV_ENCODER_DEVICE_CUDA) { gst_caps_set_features (sink_caps, 0, gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY, nullptr)); } gst_caps_append (sink_caps, system_caps); cdata = gst_nv_encoder_class_data_new (); cdata->sink_caps = sink_caps; cdata->src_caps = gst_caps_from_string (src_caps_str.c_str ()); cdata->device_caps = dev_caps; cdata->device_mode = device_mode; /* *INDENT-OFF* */ for (const auto &iter: formats) cdata->formats = g_list_append (cdata->formats, g_strdup (iter.c_str())); for (const auto &iter: profiles) cdata->profiles = g_list_append (cdata->profiles, g_strdup (iter.c_str())); /* *INDENT-ON* */ if (device_mode == GST_NV_ENCODER_DEVICE_D3D11) g_object_get (device, "adapter-luid", &cdata->adapter_luid, nullptr); if (device_mode == GST_NV_ENCODER_DEVICE_CUDA) g_object_get (device, "cuda-device-id", &cdata->cuda_device_id, nullptr); /* class data will be leaked if the element never gets instantiated */ GST_MINI_OBJECT_FLAG_SET (cdata->sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); GST_MINI_OBJECT_FLAG_SET (cdata->src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); return cdata; } GstNvEncoderClassData * gst_nv_h264_encoder_register_cuda (GstPlugin * plugin, GstCudaContext * context, guint rank) { NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS session_params = { 0, }; gpointer session; NVENCSTATUS status; GstNvEncoderClassData *cdata; GST_DEBUG_CATEGORY_INIT (gst_nv_h264_encoder_debug, "nvh264encoder", 0, "nvh264encoder"); session_params.version = gst_nvenc_get_open_encode_session_ex_params_version (); session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA; session_params.device = gst_cuda_context_get_handle (context); session_params.apiVersion = gst_nvenc_get_api_version (); status = NvEncOpenEncodeSessionEx (&session_params, &session); if (status != NV_ENC_SUCCESS) { GST_WARNING_OBJECT (context, "Failed to open session"); return nullptr; } cdata = gst_nv_h264_encoder_create_class_data (GST_OBJECT (context), session, GST_NV_ENCODER_DEVICE_CUDA); NvEncDestroyEncoder (session); if (!cdata) return nullptr; gst_nv_encoder_class_data_ref (cdata); GType type; gchar *type_name; gchar *feature_name; GTypeInfo type_info = { sizeof (GstNvH264EncoderClass), nullptr, nullptr, (GClassInitFunc) gst_nv_h264_encoder_class_init, nullptr, cdata, sizeof (GstNvH264Encoder), 0, (GInstanceInitFunc) gst_nv_h264_encoder_init, }; type_name = g_strdup ("GstNvCudaH264Enc"); feature_name = g_strdup ("nvcudah264enc"); gint index = 0; while (g_type_from_name (type_name)) { index++; g_free (type_name); g_free (feature_name); type_name = g_strdup_printf ("GstNvCudaH264Device%dEnc", index); feature_name = g_strdup_printf ("nvcudah264device%denc", index); } type = g_type_register_static (GST_TYPE_NV_ENCODER, type_name, &type_info, (GTypeFlags) 0); if (rank > 0 && index != 0) rank--; if (index != 0) gst_element_type_set_skip_documentation (type); if (!gst_element_register (plugin, feature_name, rank, type)) GST_WARNING ("Failed to register plugin '%s'", type_name); g_free (type_name); g_free (feature_name); return cdata; } #ifdef GST_CUDA_HAS_D3D GstNvEncoderClassData * gst_nv_h264_encoder_register_d3d11 (GstPlugin * plugin, GstD3D11Device * device, guint rank) { NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS session_params = { 0, }; gpointer session; NVENCSTATUS status; GstNvEncoderClassData *cdata; GST_DEBUG_CATEGORY_INIT (gst_nv_h264_encoder_debug, "nvh264encoder", 0, "nvh264encoder"); session_params.version = gst_nvenc_get_open_encode_session_ex_params_version (); session_params.deviceType = NV_ENC_DEVICE_TYPE_DIRECTX; session_params.device = gst_d3d11_device_get_device_handle (device); session_params.apiVersion = gst_nvenc_get_api_version (); status = NvEncOpenEncodeSessionEx (&session_params, &session); if (status != NV_ENC_SUCCESS) { GST_WARNING_OBJECT (device, "Failed to open session"); return nullptr; } cdata = gst_nv_h264_encoder_create_class_data (GST_OBJECT (device), session, GST_NV_ENCODER_DEVICE_D3D11); NvEncDestroyEncoder (session); if (!cdata) return nullptr; gst_nv_encoder_class_data_ref (cdata); GType type; gchar *type_name; gchar *feature_name; GTypeInfo type_info = { sizeof (GstNvH264EncoderClass), nullptr, nullptr, (GClassInitFunc) gst_nv_h264_encoder_class_init, nullptr, cdata, sizeof (GstNvH264Encoder), 0, (GInstanceInitFunc) gst_nv_h264_encoder_init, }; type_name = g_strdup ("GstNvD3D11H264Enc"); feature_name = g_strdup ("nvd3d11h264enc"); gint index = 0; while (g_type_from_name (type_name)) { index++; g_free (type_name); g_free (feature_name); type_name = g_strdup_printf ("GstNvD3D11H264Device%dEnc", index); feature_name = g_strdup_printf ("nvd3d11h264device%denc", index); } type = g_type_register_static (GST_TYPE_NV_ENCODER, type_name, &type_info, (GTypeFlags) 0); if (rank > 0 && index != 0) rank--; if (index != 0) gst_element_type_set_skip_documentation (type); if (!gst_element_register (plugin, feature_name, rank, type)) GST_WARNING ("Failed to register plugin '%s'", type_name); g_free (type_name); g_free (feature_name); return cdata; } #endif void gst_nv_h264_encoder_register_auto_select (GstPlugin * plugin, GList * device_caps_list, guint rank) { std::set < std::string > formats; std::set < std::string > profiles; std::string sink_caps_str; std::string src_caps_str; std::string format_str; std::string profile_str; std::string resolution_str; GList *iter; guint adapter_luid_size = 0; gint64 adapter_luid_list[8] = { 0, }; guint cuda_device_id_size = 0; guint cuda_device_id_list[8] = { 0, }; GstNvEncoderDeviceCaps dev_caps; GstNvEncoderClassData *cdata; GstCaps *sink_caps = nullptr; GstCaps *system_caps; GST_DEBUG_CATEGORY_INIT (gst_nv_h264_encoder_debug, "nvh264encoder", 0, "nvh264encoder"); for (iter = device_caps_list; iter; iter = g_list_next (iter)) { GstNvEncoderClassData *cdata = (GstNvEncoderClassData *) iter->data; GList *walk; for (walk = cdata->formats; walk; walk = g_list_next (walk)) formats.insert ((gchar *) walk->data); for (walk = cdata->profiles; walk; walk = g_list_next (walk)) profiles.insert ((gchar *) walk->data); if (cdata->device_mode == GST_NV_ENCODER_DEVICE_D3D11 && adapter_luid_size <= G_N_ELEMENTS (adapter_luid_list) - 1) { adapter_luid_list[adapter_luid_size] = cdata->adapter_luid; adapter_luid_size++; } if (cdata->device_mode == GST_NV_ENCODER_DEVICE_CUDA && cuda_device_id_size <= G_N_ELEMENTS (cuda_device_id_list) - 1) { cuda_device_id_list[cuda_device_id_size] = cdata->cuda_device_id; cuda_device_id_size++; } if (iter == device_caps_list) { dev_caps = cdata->device_caps; } else { gst_nv_encoder_merge_device_caps (&dev_caps, &cdata->device_caps, &dev_caps); } } g_list_free_full (device_caps_list, (GDestroyNotify) gst_nv_encoder_class_data_unref); if (formats.empty () || profiles.empty ()) return; #define APPEND_STRING(dst,set,str) G_STMT_START { \ if (set.find(str) != set.end()) { \ if (!first) \ dst += ", "; \ dst += str; \ first = false; \ } \ } G_STMT_END if (formats.size () == 1) { format_str = "format = (string) " + *(formats.begin ()); } else { bool first = true; format_str = "format = (string) { "; APPEND_STRING (format_str, formats, "NV12"); APPEND_STRING (format_str, formats, "Y444"); format_str += " }"; } if (profiles.size () == 1) { profile_str = "profile = (string) " + *(profiles.begin ()); } else { bool first = true; profile_str = "profile = (string) { "; APPEND_STRING (profile_str, profiles, "main"); APPEND_STRING (profile_str, profiles, "high"); APPEND_STRING (profile_str, profiles, "progressive-high"); APPEND_STRING (profile_str, profiles, "constrained-high"); APPEND_STRING (profile_str, profiles, "constrained-baseline"); APPEND_STRING (profile_str, profiles, "baseline"); APPEND_STRING (profile_str, profiles, "high-4:4:4"); profile_str += " }"; } #undef APPEND_STRING resolution_str = "width = (int) [ " + std::to_string (GST_ROUND_UP_16 (dev_caps.width_min)) + ", " + std::to_string (dev_caps.width_max) + " ]"; resolution_str += ", height = (int) [ " + std::to_string (GST_ROUND_UP_16 (dev_caps.height_min)) + ", " + std::to_string (dev_caps.height_max) + " ]"; sink_caps_str = "video/x-raw, " + format_str + ", " + resolution_str; if (dev_caps.field_encoding > 0) { sink_caps_str += ", interlace-mode = (string) { progressive, interleaved, mixed }"; } else { sink_caps_str += ", interlace-mode = (string) progressive"; } src_caps_str = "video/x-h264, " + resolution_str + ", " + profile_str + ", stream-format = (string) { avc, byte-stream }, alignment = (string) au"; system_caps = gst_caps_from_string (sink_caps_str.c_str ()); sink_caps = gst_caps_new_empty (); if (cuda_device_id_size > 0) { GstCaps *cuda_caps = gst_caps_copy (system_caps); gst_caps_set_features (cuda_caps, 0, gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY, nullptr)); gst_caps_append (sink_caps, cuda_caps); } #ifdef GST_CUDA_HAS_D3D if (adapter_luid_size > 0) { GstCaps *d3d11_caps = gst_caps_copy (system_caps); gst_caps_set_features (d3d11_caps, 0, gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, nullptr)); gst_caps_append (sink_caps, d3d11_caps); } #endif gst_caps_append (sink_caps, system_caps); cdata = gst_nv_encoder_class_data_new (); cdata->sink_caps = sink_caps; cdata->src_caps = gst_caps_from_string (src_caps_str.c_str ()); cdata->device_caps = dev_caps; cdata->device_mode = GST_NV_ENCODER_DEVICE_AUTO_SELECT; cdata->adapter_luid = adapter_luid_list[0]; cdata->adapter_luid_size = adapter_luid_size; memcpy (&cdata->adapter_luid_list, adapter_luid_list, sizeof (adapter_luid_list)); cdata->cuda_device_id = cuda_device_id_list[0]; cdata->cuda_device_id_size = cuda_device_id_size; memcpy (&cdata->cuda_device_id_list, cuda_device_id_list, sizeof (cuda_device_id_list)); /* class data will be leaked if the element never gets instantiated */ GST_MINI_OBJECT_FLAG_SET (cdata->sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); GST_MINI_OBJECT_FLAG_SET (cdata->src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED); GType type; GTypeInfo type_info = { sizeof (GstNvH264EncoderClass), nullptr, nullptr, (GClassInitFunc) gst_nv_h264_encoder_class_init, nullptr, cdata, sizeof (GstNvH264Encoder), 0, (GInstanceInitFunc) gst_nv_h264_encoder_init, }; type = g_type_register_static (GST_TYPE_NV_ENCODER, "GstNvAutoGpuH264Enc", &type_info, (GTypeFlags) 0); if (!gst_element_register (plugin, "nvautogpuh264enc", rank, type)) GST_WARNING ("Failed to register plugin 'GstNvAutoGpuH264Enc'"); }