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gstreamer/subprojects/gst-plugins-bad/sys/nvcodec/gstnvh264encoder.cpp
Thibault Saunier c033f8fad2 cuda: Factor out a public GstCUDA library 
So applications and elements implemented outside GStreamer can reuse
our infrastructure

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1472>
2022-04-19 16:39:43 +00:00

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/* GStreamer
* Copyright (C) 2022 Seungha Yang <seungha@centricular.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstnvh264encoder.h"
#include <gst/codecparsers/gsth264parser.h>
#include <gst/pbutils/codec-utils.h>
#include <string>
#include <set>
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_nv_h264_encoder_debug);
#define GST_CAT_DEFAULT gst_nv_h264_encoder_debug
static GTypeClass *parent_class = NULL;
typedef struct
{
gint max_bframes;
gint ratecontrol_modes;
gint field_encoding;
gint monochrome;
gint fmo;
gint qpelmv;
gint bdirect_mode;
gint cabac;
gint adaptive_transform;
gint stereo_mvc;
gint temoral_layers;
gint hierarchical_pframes;
gint hierarchical_bframes;
gint level_max;
gint level_min;
gint separate_colour_plane;
gint width_max;
gint height_max;
gint temporal_svc;
gint dyn_res_change;
gint dyn_bitrate_change;
gint dyn_force_constqp;
gint dyn_rcmode_change;
gint subframe_readback;
gint constrained_encoding;
gint intra_refresh;
gint custom_vbv_buf_size;
gint dynamic_slice_mode;
gint ref_pic_invalidation;
gint preproc_support;
gint async_encoding_support;
gint mb_num_max;
gint mb_per_sec_max;
gint yuv444_encode;
gint lossless_encode;
gint meonly_mode;
gint lookahead;
gint temporal_aq;
gint supports_10bit_encode;
gint num_max_ltr_frames;
gint weighted_prediction;
gint bframe_ref_mode;
gint emphasis_level_map;
gint width_min;
gint height_min;
gint multiple_ref_frames;
} GstNvH264EncoderDeviceCaps;
typedef struct
{
GstCaps *sink_caps;
GstCaps *src_caps;
guint cuda_device_id;
gint64 adapter_luid;
gboolean d3d11_mode;
GstNvH264EncoderDeviceCaps dev_caps;
} GstNvH264EncoderClassData;
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;
/* Properties */
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;
GstNvH264EncoderDeviceCaps dev_caps;
guint cuda_device_id;
gint64 adapter_luid;
gboolean d3d11_mode;
} 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 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);
GstNvH264EncoderClassData *cdata = (GstNvH264EncoderClassData *) data;
GstNvH264EncoderDeviceCaps *dev_caps = &cdata->dev_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;
if (cdata->d3d11_mode) {
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, cdata->adapter_luid,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
} else {
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, cdata->cuda_device_id,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
}
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));
if (cdata->d3d11_mode) {
gst_element_class_set_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 <seungha@centricular.com>");
} else {
gst_element_class_set_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 <seungha@centricular.com>");
}
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);
klass->dev_caps = cdata->dev_caps;
klass->cuda_device_id = cdata->cuda_device_id;
klass->adapter_luid = cdata->adapter_luid;
klass->d3d11_mode = cdata->d3d11_mode;
gst_caps_unref (cdata->sink_caps);
gst_caps_unref (cdata->src_caps);
g_free (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->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->dev_caps.cabac)
self->cabac = TRUE;
self->repeat_sequence_header = DEFAULT_REPEAT_SEQUENCE_HEADER;
self->parser = gst_h264_nal_parser_new ();
if (klass->d3d11_mode) {
gst_nv_encoder_set_dxgi_adapter_luid (GST_NV_ENCODER (self),
klass->adapter_luid);
} else {
gst_nv_encoder_set_cuda_device_id (GST_NV_ENCODER (self),
klass->cuda_device_id);
}
}
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);
g_mutex_lock (&self->prop_lock);
switch (prop_id) {
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);
GstNvH264EncoderClass *klass = GST_NV_H264_ENCODER_GET_CLASS (self);
switch (prop_id) {
case PROP_ADAPTER_LUID:
g_value_set_int64 (value, klass->adapter_luid);
break;
case PROP_CUDA_DEVICE_ID:
g_value_set_uint (value, klass->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, NULL);
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, NULL, 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->dev_caps.field_encoding == 0 || !profile_support_interlaced) {
gst_caps_set_simple (allowed_caps, "interlace-mode", G_TYPE_STRING,
"progressive", NULL);
}
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);
GstNvH264EncoderDeviceCaps *dev_caps = &klass->dev_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;
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);
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_p >= 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");
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 = NULL;
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, NULL);
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, NULL);
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", NULL);
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->dev_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 GstNvH264EncoderClassData *
gst_nv_h264_encoder_create_class_data (GstObject * device, gpointer session,
gboolean d3d11_mode)
{
NVENCSTATUS status;
GstNvH264EncoderDeviceCaps dev_caps = { 0, };
NV_ENC_CAPS_PARAM caps_param = { 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;
GstNvH264EncoderClassData *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 NULL;
}
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 NULL;
}
caps_param.version = gst_nvenc_get_caps_param_version ();
#define CHECK_CAPS(to_query,val,default_val) G_STMT_START { \
gint _val; \
caps_param.capsToQuery = to_query; \
status = NvEncGetEncodeCaps (session, NV_ENC_CODEC_H264_GUID, &caps_param, \
&_val); \
if (status != NV_ENC_SUCCESS) { \
GST_WARNING_OBJECT (device, "Unable to query %s, status: %" \
GST_NVENC_STATUS_FORMAT, G_STRINGIFY (to_query), \
GST_NVENC_STATUS_ARGS (status)); \
val = default_val; \
} else { \
GST_DEBUG_OBJECT (device, "%s: %d", G_STRINGIFY (to_query), _val); \
val = _val; \
} \
} G_STMT_END
CHECK_CAPS (NV_ENC_CAPS_NUM_MAX_BFRAMES, dev_caps.max_bframes, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORTED_RATECONTROL_MODES,
dev_caps.ratecontrol_modes, NV_ENC_PARAMS_RC_VBR);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_FIELD_ENCODING, dev_caps.field_encoding, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_MONOCHROME, dev_caps.monochrome, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_FMO, dev_caps.fmo, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_QPELMV, dev_caps.qpelmv, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_BDIRECT_MODE, dev_caps.bdirect_mode, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_CABAC, dev_caps.cabac, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_ADAPTIVE_TRANSFORM,
dev_caps.adaptive_transform, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_STEREO_MVC, dev_caps.stereo_mvc, 0);
CHECK_CAPS (NV_ENC_CAPS_NUM_MAX_TEMPORAL_LAYERS, dev_caps.temoral_layers, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_HIERARCHICAL_PFRAMES,
dev_caps.hierarchical_pframes, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_HIERARCHICAL_BFRAMES,
dev_caps.hierarchical_bframes, 0);
CHECK_CAPS (NV_ENC_CAPS_LEVEL_MAX, dev_caps.level_max, 0);
CHECK_CAPS (NV_ENC_CAPS_LEVEL_MIN, dev_caps.level_min, 0);
CHECK_CAPS (NV_ENC_CAPS_SEPARATE_COLOUR_PLANE,
dev_caps.separate_colour_plane, 0);
CHECK_CAPS (NV_ENC_CAPS_WIDTH_MAX, dev_caps.width_max, 4096);
CHECK_CAPS (NV_ENC_CAPS_HEIGHT_MAX, dev_caps.height_max, 4096);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_TEMPORAL_SVC, dev_caps.temporal_svc, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_DYN_RES_CHANGE, dev_caps.dyn_res_change, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_DYN_BITRATE_CHANGE,
dev_caps.dyn_bitrate_change, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_DYN_FORCE_CONSTQP,
dev_caps.dyn_force_constqp, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_DYN_RCMODE_CHANGE,
dev_caps.dyn_rcmode_change, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_SUBFRAME_READBACK,
dev_caps.subframe_readback, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_CONSTRAINED_ENCODING,
dev_caps.constrained_encoding, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_INTRA_REFRESH, dev_caps.intra_refresh, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_CUSTOM_VBV_BUF_SIZE,
dev_caps.custom_vbv_buf_size, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_DYNAMIC_SLICE_MODE,
dev_caps.dynamic_slice_mode, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_REF_PIC_INVALIDATION,
dev_caps.ref_pic_invalidation, 0);
CHECK_CAPS (NV_ENC_CAPS_PREPROC_SUPPORT, dev_caps.preproc_support, 0);
/* NOTE: Async is Windows only */
#ifdef G_OS_WIN32
CHECK_CAPS (NV_ENC_CAPS_ASYNC_ENCODE_SUPPORT,
dev_caps.async_encoding_support, 0);
#endif
CHECK_CAPS (NV_ENC_CAPS_MB_NUM_MAX, dev_caps.mb_num_max, 0);
CHECK_CAPS (NV_ENC_CAPS_MB_PER_SEC_MAX, dev_caps.mb_per_sec_max, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_YUV444_ENCODE, dev_caps.yuv444_encode, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_LOSSLESS_ENCODE, dev_caps.lossless_encode, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_MEONLY_MODE, dev_caps.meonly_mode, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_LOOKAHEAD, dev_caps.lookahead, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_TEMPORAL_AQ, dev_caps.temporal_aq, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_10BIT_ENCODE,
dev_caps.supports_10bit_encode, 0);
CHECK_CAPS (NV_ENC_CAPS_NUM_MAX_LTR_FRAMES, dev_caps.num_max_ltr_frames, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_WEIGHTED_PREDICTION,
dev_caps.weighted_prediction, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_BFRAME_REF_MODE, dev_caps.bframe_ref_mode, 0);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_EMPHASIS_LEVEL_MAP,
dev_caps.emphasis_level_map, 0);
CHECK_CAPS (NV_ENC_CAPS_WIDTH_MIN, dev_caps.width_min, 16);
CHECK_CAPS (NV_ENC_CAPS_HEIGHT_MIN, dev_caps.height_min, 16);
CHECK_CAPS (NV_ENC_CAPS_SUPPORT_MULTIPLE_REF_FRAMES,
dev_caps.multiple_ref_frames, 0);
#undef CHECK_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 NULL;
}
#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 NULL;
}
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) { 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 (d3d11_mode) {
gst_caps_set_features (sink_caps, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, NULL));
} else
#endif
{
gst_caps_set_features (sink_caps, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY, NULL));
}
gst_caps_append (sink_caps, system_caps);
cdata = g_new0 (GstNvH264EncoderClassData, 1);
cdata->sink_caps = sink_caps;
cdata->src_caps = gst_caps_from_string (src_caps_str.c_str ());
cdata->dev_caps = dev_caps;
cdata->d3d11_mode = d3d11_mode;
if (d3d11_mode)
g_object_get (device, "adapter-luid", &cdata->adapter_luid, NULL);
else
g_object_get (device, "cuda-device-id", &cdata->cuda_device_id, NULL);
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;
}
void
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;
GstNvH264EncoderClassData *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;
}
cdata = gst_nv_h264_encoder_create_class_data (GST_OBJECT (context), session,
FALSE);
NvEncDestroyEncoder (session);
if (!cdata)
return;
GType type;
gchar *type_name;
gchar *feature_name;
GTypeInfo type_info = {
sizeof (GstNvH264EncoderClass),
NULL,
NULL,
(GClassInitFunc) gst_nv_h264_encoder_class_init,
NULL,
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 (!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);
}
#ifdef GST_CUDA_HAS_D3D
void
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;
GstNvH264EncoderClassData *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;
}
cdata = gst_nv_h264_encoder_create_class_data (GST_OBJECT (device), session,
TRUE);
NvEncDestroyEncoder (session);
if (!cdata)
return;
GType type;
gchar *type_name;
gchar *feature_name;
GTypeInfo type_info = {
sizeof (GstNvH264EncoderClass),
NULL,
NULL,
(GClassInitFunc) gst_nv_h264_encoder_class_init,
NULL,
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 (!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);
}
#endif
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