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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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b1ac8bafc9
If support direct access each other, use device to device memory copy without staging host memory Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1633>
2890 lines
90 KiB
C
2890 lines
90 KiB
C
/* GStreamer NVENC plugin
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* Copyright (C) 2015 Centricular Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstnvbaseenc.h"
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#include "gstcudautils.h"
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#include "gstcudabufferpool.h"
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#include <gst/pbutils/codec-utils.h>
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#include <string.h>
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GST_DEBUG_CATEGORY_EXTERN (gst_nvenc_debug);
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#define GST_CAT_DEFAULT gst_nvenc_debug
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#if HAVE_NVCODEC_GST_GL
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#include <gst/gl/gl.h>
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#endif
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/* This currently supports both 5.x and 6.x versions of the NvEncodeAPI.h
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* header which are mostly API compatible. */
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#define SUPPORTED_GL_APIS GST_GL_API_OPENGL3
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/* magic pointer value we can put in the async queue to signal shut down */
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#define SHUTDOWN_COOKIE ((gpointer)GINT_TO_POINTER (1))
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#define parent_class gst_nv_base_enc_parent_class
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G_DEFINE_ABSTRACT_TYPE (GstNvBaseEnc, gst_nv_base_enc, GST_TYPE_VIDEO_ENCODER);
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#define GST_TYPE_NV_PRESET (gst_nv_preset_get_type())
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static GType
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gst_nv_preset_get_type (void)
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{
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static GType nv_preset_type = 0;
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static const GEnumValue presets[] = {
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{GST_NV_PRESET_DEFAULT, "Default", "default"},
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{GST_NV_PRESET_HP, "High Performance", "hp"},
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{GST_NV_PRESET_HQ, "High Quality", "hq"},
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/* {GST_NV_PRESET_BD, "BD", "bd"}, */
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{GST_NV_PRESET_LOW_LATENCY_DEFAULT, "Low Latency", "low-latency"},
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{GST_NV_PRESET_LOW_LATENCY_HQ, "Low Latency, High Quality",
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"low-latency-hq"},
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{GST_NV_PRESET_LOW_LATENCY_HP, "Low Latency, High Performance",
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"low-latency-hp"},
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{GST_NV_PRESET_LOSSLESS_DEFAULT, "Lossless", "lossless"},
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{GST_NV_PRESET_LOSSLESS_HP, "Lossless, High Performance", "lossless-hp"},
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{0, NULL, NULL},
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};
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if (!nv_preset_type) {
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nv_preset_type = g_enum_register_static ("GstNvPreset", presets);
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}
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return nv_preset_type;
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}
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static GUID
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_nv_preset_to_guid (GstNvPreset preset)
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{
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GUID null = { 0, };
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switch (preset) {
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#define CASE(gst,nv) case G_PASTE(GST_NV_PRESET_,gst): return G_PASTE(G_PASTE(NV_ENC_PRESET_,nv),_GUID)
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CASE (DEFAULT, DEFAULT);
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CASE (HP, HP);
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CASE (HQ, HQ);
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/* CASE (BD, BD);*/
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CASE (LOW_LATENCY_DEFAULT, LOW_LATENCY_DEFAULT);
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CASE (LOW_LATENCY_HQ, LOW_LATENCY_HQ);
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CASE (LOW_LATENCY_HP, LOW_LATENCY_HQ);
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CASE (LOSSLESS_DEFAULT, LOSSLESS_DEFAULT);
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CASE (LOSSLESS_HP, LOSSLESS_HP);
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#undef CASE
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default:
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return null;
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}
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}
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#define GST_TYPE_NV_RC_MODE (gst_nv_rc_mode_get_type())
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static GType
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gst_nv_rc_mode_get_type (void)
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{
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static GType nv_rc_mode_type = 0;
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static const GEnumValue modes[] = {
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{GST_NV_RC_MODE_DEFAULT, "Default", "default"},
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{GST_NV_RC_MODE_CONSTQP, "Constant Quantization", "constqp"},
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{GST_NV_RC_MODE_CBR, "Constant Bit Rate", "cbr"},
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{GST_NV_RC_MODE_VBR, "Variable Bit Rate", "vbr"},
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{GST_NV_RC_MODE_VBR_MINQP,
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"Variable Bit Rate "
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"(with minimum quantization parameter, DEPRECATED)", "vbr-minqp"},
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{GST_NV_RC_MODE_CBR_LOWDELAY_HQ,
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"Low-Delay CBR, High Quality", "cbr-ld-hq"},
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{GST_NV_RC_MODE_CBR_HQ, "CBR, High Quality (slower)", "cbr-hq"},
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{GST_NV_RC_MODE_VBR_HQ, "VBR, High Quality (slower)", "vbr-hq"},
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{0, NULL, NULL},
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};
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if (!nv_rc_mode_type) {
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nv_rc_mode_type = g_enum_register_static ("GstNvRCMode", modes);
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}
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return nv_rc_mode_type;
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}
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static NV_ENC_PARAMS_RC_MODE
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_rc_mode_to_nv (GstNvRCMode mode)
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{
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switch (mode) {
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case GST_NV_RC_MODE_DEFAULT:
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return NV_ENC_PARAMS_RC_VBR;
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#define CASE(gst,nv) case G_PASTE(GST_NV_RC_MODE_,gst): return G_PASTE(NV_ENC_PARAMS_RC_,nv)
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CASE (CONSTQP, CONSTQP);
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CASE (CBR, CBR);
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CASE (VBR, VBR);
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CASE (VBR_MINQP, VBR_MINQP);
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CASE (CBR_LOWDELAY_HQ, CBR_LOWDELAY_HQ);
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CASE (CBR_HQ, CBR_HQ);
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CASE (VBR_HQ, VBR_HQ);
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#undef CASE
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default:
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return NV_ENC_PARAMS_RC_VBR;
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}
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}
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enum
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{
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PROP_0,
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PROP_DEVICE_ID,
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PROP_PRESET,
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PROP_BITRATE,
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PROP_RC_MODE,
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PROP_QP_MIN,
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PROP_QP_MAX,
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PROP_QP_CONST,
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PROP_GOP_SIZE,
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PROP_MAX_BITRATE,
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PROP_SPATIAL_AQ,
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PROP_AQ_STRENGTH,
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PROP_NON_REF_P,
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PROP_ZEROLATENCY,
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PROP_STRICT_GOP,
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PROP_CONST_QUALITY,
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PROP_I_ADAPT,
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PROP_QP_MIN_I,
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PROP_QP_MIN_P,
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PROP_QP_MIN_B,
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PROP_QP_MAX_I,
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PROP_QP_MAX_P,
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PROP_QP_MAX_B,
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PROP_QP_CONST_I,
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PROP_QP_CONST_P,
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PROP_QP_CONST_B,
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};
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#define DEFAULT_PRESET GST_NV_PRESET_DEFAULT
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#define DEFAULT_BITRATE 0
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#define DEFAULT_RC_MODE GST_NV_RC_MODE_DEFAULT
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#define DEFAULT_QP_MIN -1
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#define DEFAULT_QP_MAX -1
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#define DEFAULT_QP_CONST -1
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#define DEFAULT_GOP_SIZE 75
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#define DEFAULT_MAX_BITRATE 0
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#define DEFAULT_SPATIAL_AQ FALSE
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#define DEFAULT_AQ_STRENGTH 0
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#define DEFAULT_NON_REF_P FALSE
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#define DEFAULT_ZEROLATENCY FALSE
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#define DEFAULT_STRICT_GOP FALSE
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#define DEFAULT_CONST_QUALITY 0
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#define DEFAULT_I_ADAPT FALSE
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#define DEFAULT_QP_DETAIL -1
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/* This lock is needed to prevent the situation where multiple encoders are
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* initialised at the same time which appears to cause excessive CPU usage over
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* some period of time. */
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G_LOCK_DEFINE_STATIC (initialization_lock);
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typedef struct
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{
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/* Allocated CUDA device memory and registered to NVENC to be used as input
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* buffer regardless of the input memory type (OpenGL or System memory) */
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CUdeviceptr cuda_pointer;
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/* The stride of allocated CUDA device memory (CuMemAllocPitch).
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* This might be different from the stride of GstVideoInfo */
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gsize cuda_stride;
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/* Registered NVENC resource (cuda_pointer is used for this) */
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NV_ENC_REGISTER_RESOURCE nv_resource;
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/* Mapped resource of nv_resource */
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NV_ENC_MAP_INPUT_RESOURCE nv_mapped_resource;
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/* whether nv_mapped_resource was mapped via NvEncMapInputResource()
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* and therefore should unmap via NvEncUnmapInputResource or not */
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gboolean mapped;
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} GstNvEncInputResource;
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/* The pair of GstNvEncInputResource () and NV_ENC_OUTPUT_PTR.
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* The number of input/output resource are always identical */
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typedef struct
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{
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GstNvEncInputResource *in_buf;
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NV_ENC_OUTPUT_PTR out_buf;
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} GstNvEncFrameState;
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static gboolean gst_nv_base_enc_open (GstVideoEncoder * enc);
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static gboolean gst_nv_base_enc_close (GstVideoEncoder * enc);
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static gboolean gst_nv_base_enc_start (GstVideoEncoder * enc);
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static gboolean gst_nv_base_enc_stop (GstVideoEncoder * enc);
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static void gst_nv_base_enc_set_context (GstElement * element,
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GstContext * context);
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static gboolean gst_nv_base_enc_sink_query (GstVideoEncoder * enc,
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GstQuery * query);
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static gboolean gst_nv_base_enc_sink_event (GstVideoEncoder * enc,
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GstEvent * event);
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static gboolean gst_nv_base_enc_set_format (GstVideoEncoder * enc,
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GstVideoCodecState * state);
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static GstFlowReturn gst_nv_base_enc_handle_frame (GstVideoEncoder * enc,
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GstVideoCodecFrame * frame);
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static void gst_nv_base_enc_free_buffers (GstNvBaseEnc * nvenc);
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static GstFlowReturn gst_nv_base_enc_finish (GstVideoEncoder * enc);
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static void gst_nv_base_enc_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_nv_base_enc_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_nv_base_enc_finalize (GObject * obj);
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static GstCaps *gst_nv_base_enc_getcaps (GstVideoEncoder * enc,
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GstCaps * filter);
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static gboolean gst_nv_base_enc_stop_bitstream_thread (GstNvBaseEnc * nvenc,
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gboolean force);
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static gboolean gst_nv_base_enc_drain_encoder (GstNvBaseEnc * nvenc);
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static gboolean gst_nv_base_enc_propose_allocation (GstVideoEncoder * enc,
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GstQuery * query);
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static void
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gst_nv_base_enc_class_init (GstNvBaseEncClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstVideoEncoderClass *videoenc_class = GST_VIDEO_ENCODER_CLASS (klass);
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gobject_class->set_property = gst_nv_base_enc_set_property;
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gobject_class->get_property = gst_nv_base_enc_get_property;
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gobject_class->finalize = gst_nv_base_enc_finalize;
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element_class->set_context = GST_DEBUG_FUNCPTR (gst_nv_base_enc_set_context);
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videoenc_class->open = GST_DEBUG_FUNCPTR (gst_nv_base_enc_open);
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videoenc_class->close = GST_DEBUG_FUNCPTR (gst_nv_base_enc_close);
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videoenc_class->start = GST_DEBUG_FUNCPTR (gst_nv_base_enc_start);
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videoenc_class->stop = GST_DEBUG_FUNCPTR (gst_nv_base_enc_stop);
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videoenc_class->set_format = GST_DEBUG_FUNCPTR (gst_nv_base_enc_set_format);
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videoenc_class->getcaps = GST_DEBUG_FUNCPTR (gst_nv_base_enc_getcaps);
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videoenc_class->handle_frame =
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GST_DEBUG_FUNCPTR (gst_nv_base_enc_handle_frame);
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videoenc_class->finish = GST_DEBUG_FUNCPTR (gst_nv_base_enc_finish);
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videoenc_class->sink_query = GST_DEBUG_FUNCPTR (gst_nv_base_enc_sink_query);
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videoenc_class->sink_event = GST_DEBUG_FUNCPTR (gst_nv_base_enc_sink_event);
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videoenc_class->propose_allocation =
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GST_DEBUG_FUNCPTR (gst_nv_base_enc_propose_allocation);
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g_object_class_install_property (gobject_class, PROP_DEVICE_ID,
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g_param_spec_uint ("cuda-device-id",
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"Cuda Device ID",
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"Get the GPU device to use for operations",
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0, G_MAXUINT, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_PRESET,
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g_param_spec_enum ("preset", "Encoding Preset",
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"Encoding Preset",
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GST_TYPE_NV_PRESET, DEFAULT_PRESET,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_RC_MODE,
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g_param_spec_enum ("rc-mode", "RC Mode", "Rate Control Mode",
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GST_TYPE_NV_RC_MODE, DEFAULT_RC_MODE,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_QP_MIN,
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g_param_spec_int ("qp-min", "Minimum Quantizer",
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"Minimum quantizer (-1 = from NVENC preset)", -1, 51, DEFAULT_QP_MIN,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_QP_MAX,
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g_param_spec_int ("qp-max", "Maximum Quantizer",
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"Maximum quantizer (-1 = from NVENC preset)", -1, 51, DEFAULT_QP_MAX,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_QP_CONST,
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g_param_spec_int ("qp-const", "Constant Quantizer",
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"Constant quantizer (-1 = from NVENC preset)", -1, 51,
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DEFAULT_QP_CONST,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_GOP_SIZE,
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g_param_spec_int ("gop-size", "GOP size",
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"Number of frames between intra frames (-1 = infinite)",
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-1, G_MAXINT, DEFAULT_GOP_SIZE,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_BITRATE,
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g_param_spec_uint ("bitrate", "Bitrate",
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"Bitrate in kbit/sec (0 = from NVENC preset)", 0, 2000 * 1024,
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DEFAULT_BITRATE,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_MAX_BITRATE,
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g_param_spec_uint ("max-bitrate", "Max Bitrate",
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"Maximum Bitrate in kbit/sec (ignored for CBR mode)", 0, 2000 * 1024,
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DEFAULT_MAX_BITRATE,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_SPATIAL_AQ,
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g_param_spec_boolean ("spatial-aq", "Spatial AQ",
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"Spatial Adaptive Quantization",
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DEFAULT_SPATIAL_AQ,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_AQ_STRENGTH,
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g_param_spec_uint ("aq-strength", "AQ Strength",
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"Adaptive Quantization Strength when spatial-aq is enabled"
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" from 1 (low) to 15 (aggressive), (0 = autoselect)",
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0, 15, DEFAULT_AQ_STRENGTH,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_NON_REF_P,
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g_param_spec_boolean ("nonref-p", "Nonref P",
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"Automatic insertion of non-reference P-frames", DEFAULT_NON_REF_P,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_ZEROLATENCY,
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g_param_spec_boolean ("zerolatency", "Zerolatency",
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"Zero latency operation (no reordering delay)", DEFAULT_ZEROLATENCY,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_STRICT_GOP,
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g_param_spec_boolean ("strict-gop", "Strict GOP",
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"Minimize GOP-to-GOP rate fluctuations", DEFAULT_STRICT_GOP,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_CONST_QUALITY,
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g_param_spec_double ("const-quality", "Constant Quality",
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"Target Constant Quality level for VBR mode (0 = automatic)",
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0, 51, DEFAULT_CONST_QUALITY,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_I_ADAPT,
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g_param_spec_boolean ("i-adapt", "I Adapt",
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"Enable adaptive I-frame insert when lookahead is enabled",
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DEFAULT_I_ADAPT,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_QP_MIN_I,
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g_param_spec_int ("qp-min-i", "QP Min I",
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"Minimum QP value for I frame, When >= 0, \"qp-min-p\" and "
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"\"qp-min-b\" should be also >= 0. Overwritten by \"qp-min\""
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" (-1 = from NVENC preset)", -1, 51,
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DEFAULT_QP_DETAIL,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_QP_MIN_P,
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g_param_spec_int ("qp-min-p", "QP Min P",
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"Minimum QP value for P frame, When >= 0, \"qp-min-i\" and "
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"\"qp-min-b\" should be also >= 0. Overwritten by \"qp-min\""
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" (-1 = from NVENC preset)", -1, 51,
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DEFAULT_QP_DETAIL,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_QP_MIN_B,
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g_param_spec_int ("qp-min-b", "QP Min B",
|
|
"Minimum QP value for B frame, When >= 0, \"qp-min-i\" and "
|
|
"\"qp-min-p\" should be also >= 0. Overwritten by \"qp-min\""
|
|
" (-1 = from NVENC preset)", -1, 51,
|
|
DEFAULT_QP_DETAIL,
|
|
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
|
|
G_PARAM_STATIC_STRINGS));
|
|
g_object_class_install_property (gobject_class, PROP_QP_MAX_I,
|
|
g_param_spec_int ("qp-max-i", "QP Max I",
|
|
"Maximum QP value for I frame, When >= 0, \"qp-max-p\" and "
|
|
"\"qp-max-b\" should be also >= 0. Overwritten by \"qp-max\""
|
|
" (-1 = from NVENC preset)", -1, 51,
|
|
DEFAULT_QP_DETAIL,
|
|
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
|
|
G_PARAM_STATIC_STRINGS));
|
|
g_object_class_install_property (gobject_class, PROP_QP_MAX_P,
|
|
g_param_spec_int ("qp-max-p", "QP Max P",
|
|
"Maximum QP value for P frame, When >= 0, \"qp-max-i\" and "
|
|
"\"qp-max-b\" should be also >= 0. Overwritten by \"qp-max\""
|
|
" (-1 = from NVENC preset)", -1, 51,
|
|
DEFAULT_QP_DETAIL,
|
|
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
|
|
G_PARAM_STATIC_STRINGS));
|
|
g_object_class_install_property (gobject_class, PROP_QP_MAX_B,
|
|
g_param_spec_int ("qp-max-b", "QP Max B",
|
|
"Maximum QP value for B frame, When >= 0, \"qp-max-i\" and "
|
|
"\"qp-max-p\" should be also >= 0. Overwritten by \"qp-max\""
|
|
" (-1 = from NVENC preset)", -1, 51,
|
|
DEFAULT_QP_DETAIL,
|
|
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
|
|
G_PARAM_STATIC_STRINGS));
|
|
g_object_class_install_property (gobject_class, PROP_QP_CONST_I,
|
|
g_param_spec_int ("qp-const-i", "QP Const I",
|
|
"Constant QP value for I frame, When >= 0, \"qp-const-p\" and "
|
|
"\"qp-const-b\" should be also >= 0. Overwritten by \"qp-const\""
|
|
" (-1 = from NVENC preset)", -1, 51,
|
|
DEFAULT_QP_DETAIL,
|
|
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
|
|
G_PARAM_STATIC_STRINGS));
|
|
g_object_class_install_property (gobject_class, PROP_QP_CONST_P,
|
|
g_param_spec_int ("qp-const-p", "QP Const P",
|
|
"Constant QP value for P frame, When >= 0, \"qp-const-i\" and "
|
|
"\"qp-const-b\" should be also >= 0. Overwritten by \"qp-const\""
|
|
" (-1 = from NVENC preset)", -1, 51,
|
|
DEFAULT_QP_DETAIL,
|
|
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
|
|
G_PARAM_STATIC_STRINGS));
|
|
g_object_class_install_property (gobject_class, PROP_QP_CONST_B,
|
|
g_param_spec_int ("qp-const-b", "QP Const B",
|
|
"Constant QP value for B frame, When >= 0, \"qp-const-i\" and "
|
|
"\"qp-const-p\" should be also >= 0. Overwritten by \"qp-const\""
|
|
" (-1 = from NVENC preset)", -1, 51,
|
|
DEFAULT_QP_DETAIL,
|
|
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
gst_type_mark_as_plugin_api (GST_TYPE_NV_BASE_ENC, 0);
|
|
gst_type_mark_as_plugin_api (GST_TYPE_NV_PRESET, 0);
|
|
gst_type_mark_as_plugin_api (GST_TYPE_NV_RC_MODE, 0);
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_open_encode_session (GstNvBaseEnc * nvenc)
|
|
{
|
|
NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params = { 0, };
|
|
NVENCSTATUS nv_ret;
|
|
|
|
params.version = gst_nvenc_get_open_encode_session_ex_params_version ();
|
|
params.apiVersion = gst_nvenc_get_api_version ();
|
|
params.device = gst_cuda_context_get_handle (nvenc->cuda_ctx);
|
|
params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
|
|
nv_ret = NvEncOpenEncodeSessionEx (¶ms, &nvenc->encoder);
|
|
|
|
return nv_ret == NV_ENC_SUCCESS;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_open (GstVideoEncoder * enc)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
GstNvBaseEncClass *klass = GST_NV_BASE_ENC_GET_CLASS (enc);
|
|
GValue *formats = NULL;
|
|
CUresult cuda_ret;
|
|
|
|
if (!gst_cuda_ensure_element_context (GST_ELEMENT_CAST (enc),
|
|
klass->cuda_device_id, &nvenc->cuda_ctx)) {
|
|
GST_ERROR_OBJECT (nvenc, "failed to create CUDA context");
|
|
return FALSE;
|
|
}
|
|
|
|
if (gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
cuda_ret = CuStreamCreate (&nvenc->cuda_stream, CU_STREAM_DEFAULT);
|
|
if (!gst_cuda_result (cuda_ret)) {
|
|
GST_WARNING_OBJECT (nvenc,
|
|
"Could not create cuda stream, will use default stream");
|
|
nvenc->cuda_stream = NULL;
|
|
}
|
|
gst_cuda_context_pop (NULL);
|
|
}
|
|
|
|
if (!gst_nv_base_enc_open_encode_session (nvenc)) {
|
|
GST_ERROR ("Failed to create NVENC encoder session");
|
|
gst_clear_object (&nvenc->cuda_ctx);
|
|
return FALSE;
|
|
}
|
|
|
|
GST_INFO ("created NVENC encoder %p", nvenc->encoder);
|
|
|
|
/* query supported input formats */
|
|
if (!gst_nvenc_get_supported_input_formats (nvenc->encoder, klass->codec_id,
|
|
&formats)) {
|
|
GST_WARNING_OBJECT (nvenc, "No supported input formats");
|
|
gst_nv_base_enc_close (enc);
|
|
return FALSE;
|
|
}
|
|
|
|
nvenc->input_formats = formats;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_set_context (GstElement * element, GstContext * context)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (element);
|
|
GstNvBaseEncClass *klass = GST_NV_BASE_ENC_GET_CLASS (nvenc);
|
|
|
|
if (gst_cuda_handle_set_context (element, context, klass->cuda_device_id,
|
|
&nvenc->cuda_ctx)) {
|
|
goto done;
|
|
}
|
|
#if HAVE_NVCODEC_GST_GL
|
|
gst_gl_handle_set_context (element, context,
|
|
(GstGLDisplay **) & nvenc->display,
|
|
(GstGLContext **) & nvenc->other_context);
|
|
if (nvenc->display)
|
|
gst_gl_display_filter_gl_api (GST_GL_DISPLAY (nvenc->display),
|
|
SUPPORTED_GL_APIS);
|
|
#endif
|
|
|
|
done:
|
|
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_sink_query (GstVideoEncoder * enc, GstQuery * query)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_CONTEXT:{
|
|
if (gst_cuda_handle_context_query (GST_ELEMENT (nvenc),
|
|
query, nvenc->cuda_ctx))
|
|
return TRUE;
|
|
|
|
#if HAVE_NVCODEC_GST_GL
|
|
{
|
|
gboolean ret;
|
|
|
|
ret = gst_gl_handle_context_query ((GstElement *) nvenc, query,
|
|
(GstGLDisplay *) nvenc->display, NULL,
|
|
(GstGLContext *) nvenc->other_context);
|
|
if (nvenc->display) {
|
|
gst_gl_display_filter_gl_api (GST_GL_DISPLAY (nvenc->display),
|
|
SUPPORTED_GL_APIS);
|
|
}
|
|
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return GST_VIDEO_ENCODER_CLASS (parent_class)->sink_query (enc, query);
|
|
}
|
|
|
|
#ifdef HAVE_NVCODEC_GST_GL
|
|
static gboolean
|
|
gst_nv_base_enc_ensure_gl_context (GstNvBaseEnc * nvenc)
|
|
{
|
|
if (!nvenc->display) {
|
|
GST_DEBUG_OBJECT (nvenc, "No available OpenGL display");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!gst_gl_query_local_gl_context (GST_ELEMENT (nvenc), GST_PAD_SINK,
|
|
(GstGLContext **) & nvenc->gl_context)) {
|
|
GST_INFO_OBJECT (nvenc, "failed to query local OpenGL context");
|
|
if (nvenc->gl_context)
|
|
gst_object_unref (nvenc->gl_context);
|
|
nvenc->gl_context =
|
|
(GstObject *) gst_gl_display_get_gl_context_for_thread ((GstGLDisplay *)
|
|
nvenc->display, NULL);
|
|
if (!nvenc->gl_context
|
|
|| !gst_gl_display_add_context ((GstGLDisplay *) nvenc->display,
|
|
(GstGLContext *) nvenc->gl_context)) {
|
|
if (nvenc->gl_context)
|
|
gst_object_unref (nvenc->gl_context);
|
|
if (!gst_gl_display_create_context ((GstGLDisplay *) nvenc->display,
|
|
(GstGLContext *) nvenc->other_context,
|
|
(GstGLContext **) & nvenc->gl_context, NULL)) {
|
|
GST_ERROR_OBJECT (nvenc, "failed to create OpenGL context");
|
|
return FALSE;
|
|
}
|
|
if (!gst_gl_display_add_context ((GstGLDisplay *) nvenc->display,
|
|
(GstGLContext *) nvenc->gl_context)) {
|
|
GST_ERROR_OBJECT (nvenc,
|
|
"failed to add the OpenGL context to the display");
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!gst_gl_context_check_gl_version ((GstGLContext *) nvenc->gl_context,
|
|
SUPPORTED_GL_APIS, 3, 0)) {
|
|
GST_WARNING_OBJECT (nvenc, "OpenGL context could not support PBO download");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_propose_allocation (GstVideoEncoder * enc, GstQuery * query)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
GstCaps *caps;
|
|
GstVideoInfo info;
|
|
GstBufferPool *pool;
|
|
GstStructure *config;
|
|
GstCapsFeatures *features;
|
|
|
|
GST_DEBUG_OBJECT (nvenc, "propose allocation");
|
|
|
|
gst_query_parse_allocation (query, &caps, NULL);
|
|
|
|
if (caps == NULL)
|
|
return FALSE;
|
|
|
|
if (!gst_video_info_from_caps (&info, caps)) {
|
|
GST_WARNING_OBJECT (nvenc, "failed to get video info");
|
|
return FALSE;
|
|
}
|
|
|
|
features = gst_caps_get_features (caps, 0);
|
|
#if HAVE_NVCODEC_GST_GL
|
|
if (features && gst_caps_features_contains (features,
|
|
GST_CAPS_FEATURE_MEMORY_GL_MEMORY)) {
|
|
GST_DEBUG_OBJECT (nvenc, "upsteram support GL memory");
|
|
if (!gst_nv_base_enc_ensure_gl_context (nvenc)) {
|
|
GST_WARNING_OBJECT (nvenc, "Could not get gl context");
|
|
goto done;
|
|
}
|
|
|
|
pool = gst_gl_buffer_pool_new ((GstGLContext *) nvenc->gl_context);
|
|
} else
|
|
#endif
|
|
if (features && gst_caps_features_contains (features,
|
|
GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY)) {
|
|
GST_DEBUG_OBJECT (nvenc, "upstream support CUDA memory");
|
|
pool = gst_cuda_buffer_pool_new (nvenc->cuda_ctx);
|
|
} else {
|
|
GST_DEBUG_OBJECT (nvenc, "use system memory");
|
|
goto done;
|
|
}
|
|
|
|
if (G_UNLIKELY (pool == NULL)) {
|
|
GST_WARNING_OBJECT (nvenc, "cannot create buffer pool");
|
|
goto done;
|
|
}
|
|
|
|
config = gst_buffer_pool_get_config (pool);
|
|
gst_buffer_pool_config_set_params (config, caps, GST_VIDEO_INFO_SIZE (&info),
|
|
nvenc->items->len, nvenc->items->len);
|
|
|
|
gst_query_add_allocation_pool (query, pool, GST_VIDEO_INFO_SIZE (&info),
|
|
nvenc->items->len, nvenc->items->len);
|
|
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
|
|
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
|
|
|
|
if (!gst_buffer_pool_set_config (pool, config))
|
|
goto error_pool_config;
|
|
|
|
gst_object_unref (pool);
|
|
|
|
done:
|
|
return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (enc,
|
|
query);
|
|
|
|
error_pool_config:
|
|
{
|
|
if (pool)
|
|
gst_object_unref (pool);
|
|
GST_WARNING_OBJECT (nvenc, "failed to set config");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_sink_event (GstVideoEncoder * enc, GstEvent * event)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
gboolean ret;
|
|
|
|
ret = GST_VIDEO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_STREAM_START:
|
|
case GST_EVENT_FLUSH_STOP:
|
|
nvenc->last_flow = GST_FLOW_OK;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_start (GstVideoEncoder * enc)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
|
|
nvenc->available_queue = g_async_queue_new ();
|
|
nvenc->pending_queue = g_async_queue_new ();
|
|
nvenc->bitstream_queue = g_async_queue_new ();
|
|
nvenc->items = g_array_new (FALSE, TRUE, sizeof (GstNvEncFrameState));
|
|
|
|
nvenc->last_flow = GST_FLOW_OK;
|
|
memset (&nvenc->init_params, 0, sizeof (NV_ENC_INITIALIZE_PARAMS));
|
|
memset (&nvenc->config, 0, sizeof (NV_ENC_CONFIG));
|
|
|
|
#if HAVE_NVCODEC_GST_GL
|
|
{
|
|
gst_gl_ensure_element_data (GST_ELEMENT (nvenc),
|
|
(GstGLDisplay **) & nvenc->display,
|
|
(GstGLContext **) & nvenc->other_context);
|
|
if (nvenc->display)
|
|
gst_gl_display_filter_gl_api (GST_GL_DISPLAY (nvenc->display),
|
|
SUPPORTED_GL_APIS);
|
|
}
|
|
#endif
|
|
|
|
/* DTS can be negative if bframe was enabled */
|
|
gst_video_encoder_set_min_pts (enc, GST_SECOND * 60 * 60 * 1000);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_stop (GstVideoEncoder * enc)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
|
|
gst_nv_base_enc_stop_bitstream_thread (nvenc, TRUE);
|
|
|
|
gst_nv_base_enc_free_buffers (nvenc);
|
|
|
|
if (nvenc->input_state) {
|
|
gst_video_codec_state_unref (nvenc->input_state);
|
|
nvenc->input_state = NULL;
|
|
}
|
|
|
|
if (nvenc->available_queue) {
|
|
g_async_queue_unref (nvenc->available_queue);
|
|
nvenc->available_queue = NULL;
|
|
}
|
|
if (nvenc->pending_queue) {
|
|
g_async_queue_unref (nvenc->pending_queue);
|
|
nvenc->pending_queue = NULL;
|
|
}
|
|
if (nvenc->bitstream_queue) {
|
|
g_async_queue_unref (nvenc->bitstream_queue);
|
|
nvenc->bitstream_queue = NULL;
|
|
}
|
|
if (nvenc->display) {
|
|
gst_object_unref (nvenc->display);
|
|
nvenc->display = NULL;
|
|
}
|
|
if (nvenc->other_context) {
|
|
gst_object_unref (nvenc->other_context);
|
|
nvenc->other_context = NULL;
|
|
}
|
|
if (nvenc->gl_context) {
|
|
gst_object_unref (nvenc->gl_context);
|
|
nvenc->gl_context = NULL;
|
|
}
|
|
|
|
if (nvenc->items) {
|
|
g_array_free (nvenc->items, TRUE);
|
|
nvenc->items = NULL;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
check_formats (const gchar * str, guint * max_chroma, guint * max_bit_minus8)
|
|
{
|
|
if (!str)
|
|
return;
|
|
|
|
if (g_strrstr (str, "-444") || g_strrstr (str, "-4:4:4"))
|
|
*max_chroma = 2;
|
|
else if ((g_strrstr (str, "-4:2:2") || g_strrstr (str, "-422"))
|
|
&& *max_chroma < 1)
|
|
*max_chroma = 1;
|
|
|
|
if (g_strrstr (str, "-12"))
|
|
*max_bit_minus8 = 4;
|
|
else if (g_strrstr (str, "-10") && *max_bit_minus8 < 2)
|
|
*max_bit_minus8 = 2;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_set_filtered_input_formats (GstNvBaseEnc * nvenc,
|
|
GstCaps * caps, const GValue * input_formats, guint max_chroma,
|
|
guint max_bit_minus8)
|
|
{
|
|
gint i;
|
|
GValue supported_format = G_VALUE_INIT;
|
|
gint num_format = 0;
|
|
const GValue *last_format = NULL;
|
|
|
|
g_value_init (&supported_format, GST_TYPE_LIST);
|
|
|
|
for (i = 0; i < gst_value_list_get_size (input_formats); i++) {
|
|
const GValue *val;
|
|
GstVideoFormat format;
|
|
|
|
val = gst_value_list_get_value (input_formats, i);
|
|
format = gst_video_format_from_string (g_value_get_string (val));
|
|
|
|
switch (format) {
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
case GST_VIDEO_FORMAT_I420:
|
|
/* 8bits 4:2:0 formats are always supported */
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
/* NOTE: RGB formats seems to also supported format, which are
|
|
* encoded to 4:2:0 formats */
|
|
gst_value_list_append_value (&supported_format, val);
|
|
last_format = val;
|
|
num_format++;
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y444:
|
|
case GST_VIDEO_FORMAT_VUYA:
|
|
if (max_chroma >= 2) {
|
|
gst_value_list_append_value (&supported_format, val);
|
|
last_format = val;
|
|
num_format++;
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_P010_10LE:
|
|
case GST_VIDEO_FORMAT_P010_10BE:
|
|
case GST_VIDEO_FORMAT_BGR10A2_LE:
|
|
case GST_VIDEO_FORMAT_RGB10A2_LE:
|
|
case GST_VIDEO_FORMAT_Y444_16LE:
|
|
case GST_VIDEO_FORMAT_Y444_16BE:
|
|
if (max_bit_minus8 >= 2) {
|
|
gst_value_list_append_value (&supported_format, val);
|
|
last_format = val;
|
|
num_format++;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (num_format == 0) {
|
|
g_value_unset (&supported_format);
|
|
GST_WARNING_OBJECT (nvenc, "Cannot find matching input format");
|
|
return FALSE;
|
|
}
|
|
|
|
if (num_format > 1)
|
|
gst_caps_set_value (caps, "format", &supported_format);
|
|
else
|
|
gst_caps_set_value (caps, "format", last_format);
|
|
|
|
g_value_unset (&supported_format);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_nv_base_enc_getcaps (GstVideoEncoder * enc, GstCaps * filter)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
GstNvBaseEncClass *klass = GST_NV_BASE_ENC_GET_CLASS (enc);
|
|
GstCaps *supported_incaps = NULL;
|
|
GstCaps *template_caps, *caps, *allowed;
|
|
|
|
template_caps = gst_pad_get_pad_template_caps (enc->sinkpad);
|
|
allowed = gst_pad_get_allowed_caps (enc->srcpad);
|
|
|
|
GST_LOG_OBJECT (enc, "template caps %" GST_PTR_FORMAT, template_caps);
|
|
GST_LOG_OBJECT (enc, "allowed caps %" GST_PTR_FORMAT, allowed);
|
|
|
|
if (!allowed) {
|
|
/* no peer */
|
|
supported_incaps = template_caps;
|
|
template_caps = NULL;
|
|
goto done;
|
|
} else if (gst_caps_is_empty (allowed)) {
|
|
/* couldn't be negotiated, just return empty caps */
|
|
gst_caps_unref (template_caps);
|
|
return allowed;
|
|
}
|
|
|
|
GST_OBJECT_LOCK (nvenc);
|
|
|
|
if (nvenc->input_formats != NULL) {
|
|
gboolean has_profile = FALSE;
|
|
guint max_chroma_index = 0;
|
|
guint max_bit_minus8 = 0;
|
|
gint i, j;
|
|
|
|
for (i = 0; i < gst_caps_get_size (allowed); i++) {
|
|
const GstStructure *allowed_s = gst_caps_get_structure (allowed, i);
|
|
const GValue *val;
|
|
|
|
if ((val = gst_structure_get_value (allowed_s, "profile"))) {
|
|
if (G_VALUE_HOLDS_STRING (val)) {
|
|
check_formats (g_value_get_string (val), &max_chroma_index,
|
|
&max_bit_minus8);
|
|
has_profile = TRUE;
|
|
} else if (GST_VALUE_HOLDS_LIST (val)) {
|
|
for (j = 0; j < gst_value_list_get_size (val); j++) {
|
|
const GValue *vlist = gst_value_list_get_value (val, j);
|
|
|
|
if (G_VALUE_HOLDS_STRING (vlist)) {
|
|
check_formats (g_value_get_string (vlist), &max_chroma_index,
|
|
&max_bit_minus8);
|
|
has_profile = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
GST_LOG_OBJECT (enc,
|
|
"downstream requested profile %d, max bitdepth %d, max chroma %d",
|
|
has_profile, max_bit_minus8 + 8, max_chroma_index);
|
|
|
|
supported_incaps = gst_caps_copy (template_caps);
|
|
if (!has_profile ||
|
|
!gst_nv_base_enc_set_filtered_input_formats (nvenc, supported_incaps,
|
|
nvenc->input_formats, max_chroma_index, max_bit_minus8)) {
|
|
gst_caps_set_value (supported_incaps, "format", nvenc->input_formats);
|
|
}
|
|
|
|
if (nvenc->encoder) {
|
|
GValue *interlace_mode;
|
|
|
|
interlace_mode =
|
|
gst_nvenc_get_interlace_modes (nvenc->encoder, klass->codec_id);
|
|
gst_caps_set_value (supported_incaps, "interlace-mode", interlace_mode);
|
|
g_value_unset (interlace_mode);
|
|
g_free (interlace_mode);
|
|
}
|
|
|
|
GST_LOG_OBJECT (enc, "codec input caps %" GST_PTR_FORMAT, supported_incaps);
|
|
GST_LOG_OBJECT (enc, " template caps %" GST_PTR_FORMAT, template_caps);
|
|
caps = gst_caps_intersect (template_caps, supported_incaps);
|
|
gst_caps_unref (supported_incaps);
|
|
supported_incaps = caps;
|
|
GST_LOG_OBJECT (enc, " supported caps %" GST_PTR_FORMAT, supported_incaps);
|
|
}
|
|
|
|
GST_OBJECT_UNLOCK (nvenc);
|
|
|
|
done:
|
|
caps = gst_video_encoder_proxy_getcaps (enc, supported_incaps, filter);
|
|
|
|
if (supported_incaps)
|
|
gst_caps_unref (supported_incaps);
|
|
gst_clear_caps (&allowed);
|
|
gst_clear_caps (&template_caps);
|
|
|
|
GST_DEBUG_OBJECT (nvenc, " returning caps %" GST_PTR_FORMAT, caps);
|
|
|
|
return caps;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_close (GstVideoEncoder * enc)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
gboolean ret = TRUE;
|
|
|
|
if (nvenc->encoder) {
|
|
if (NvEncDestroyEncoder (nvenc->encoder) != NV_ENC_SUCCESS)
|
|
ret = FALSE;
|
|
|
|
nvenc->encoder = NULL;
|
|
}
|
|
|
|
if (nvenc->cuda_ctx && nvenc->cuda_stream) {
|
|
if (gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
gst_cuda_result (CuStreamDestroy (nvenc->cuda_stream));
|
|
gst_cuda_context_pop (NULL);
|
|
}
|
|
}
|
|
|
|
gst_clear_object (&nvenc->cuda_ctx);
|
|
nvenc->cuda_stream = NULL;
|
|
|
|
GST_OBJECT_LOCK (nvenc);
|
|
if (nvenc->input_formats)
|
|
g_value_unset (nvenc->input_formats);
|
|
g_free (nvenc->input_formats);
|
|
nvenc->input_formats = NULL;
|
|
GST_OBJECT_UNLOCK (nvenc);
|
|
|
|
if (nvenc->input_state) {
|
|
gst_video_codec_state_unref (nvenc->input_state);
|
|
nvenc->input_state = NULL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_init (GstNvBaseEnc * nvenc)
|
|
{
|
|
GstVideoEncoder *encoder = GST_VIDEO_ENCODER (nvenc);
|
|
GstNvEncQP qp_detail =
|
|
{ DEFAULT_QP_DETAIL, DEFAULT_QP_DETAIL, DEFAULT_QP_DETAIL };
|
|
|
|
nvenc->preset_enum = DEFAULT_PRESET;
|
|
nvenc->selected_preset = _nv_preset_to_guid (nvenc->preset_enum);
|
|
nvenc->rate_control_mode = DEFAULT_RC_MODE;
|
|
nvenc->qp_min = DEFAULT_QP_MIN;
|
|
nvenc->qp_max = DEFAULT_QP_MAX;
|
|
nvenc->qp_const = DEFAULT_QP_CONST;
|
|
nvenc->bitrate = DEFAULT_BITRATE;
|
|
nvenc->gop_size = DEFAULT_GOP_SIZE;
|
|
nvenc->max_bitrate = DEFAULT_MAX_BITRATE;
|
|
nvenc->spatial_aq = DEFAULT_SPATIAL_AQ;
|
|
nvenc->aq_strength = DEFAULT_AQ_STRENGTH;
|
|
nvenc->non_refp = DEFAULT_NON_REF_P;
|
|
nvenc->zerolatency = DEFAULT_ZEROLATENCY;
|
|
nvenc->strict_gop = DEFAULT_STRICT_GOP;
|
|
nvenc->const_quality = DEFAULT_CONST_QUALITY;
|
|
nvenc->i_adapt = DEFAULT_I_ADAPT;
|
|
nvenc->qp_min_detail = qp_detail;
|
|
nvenc->qp_max_detail = qp_detail;
|
|
nvenc->qp_const_detail = qp_detail;
|
|
|
|
GST_VIDEO_ENCODER_STREAM_LOCK (encoder);
|
|
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
|
|
|
|
GST_PAD_SET_ACCEPT_INTERSECT (GST_VIDEO_ENCODER_SINK_PAD (encoder));
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_finalize (GObject * obj)
|
|
{
|
|
G_OBJECT_CLASS (gst_nv_base_enc_parent_class)->finalize (obj);
|
|
}
|
|
|
|
static GstVideoCodecFrame *
|
|
_find_frame_with_output_buffer (GstNvBaseEnc * nvenc, NV_ENC_OUTPUT_PTR out_buf)
|
|
{
|
|
GList *l, *walk = gst_video_encoder_get_frames (GST_VIDEO_ENCODER (nvenc));
|
|
GstVideoCodecFrame *ret = NULL;
|
|
|
|
for (l = walk; l; l = l->next) {
|
|
GstVideoCodecFrame *frame = (GstVideoCodecFrame *) l->data;
|
|
GstNvEncFrameState *state = gst_video_codec_frame_get_user_data (frame);
|
|
|
|
if (!state || !state->out_buf)
|
|
continue;
|
|
|
|
if (state->out_buf == out_buf) {
|
|
ret = frame;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ret)
|
|
gst_video_codec_frame_ref (ret);
|
|
|
|
g_list_free_full (walk, (GDestroyNotify) gst_video_codec_frame_unref);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const gchar *
|
|
picture_type_to_string (NV_ENC_PIC_TYPE type)
|
|
{
|
|
switch (type) {
|
|
case NV_ENC_PIC_TYPE_P:
|
|
return "P";
|
|
case NV_ENC_PIC_TYPE_B:
|
|
return "B";
|
|
case NV_ENC_PIC_TYPE_I:
|
|
return "I";
|
|
case NV_ENC_PIC_TYPE_IDR:
|
|
return "IDR";
|
|
case NV_ENC_PIC_TYPE_BI:
|
|
return "BI";
|
|
case NV_ENC_PIC_TYPE_SKIPPED:
|
|
return "SKIPPED";
|
|
case NV_ENC_PIC_TYPE_INTRA_REFRESH:
|
|
return "INTRA-REFRESH";
|
|
case NV_ENC_PIC_TYPE_UNKNOWN:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return "UNKNOWN";
|
|
}
|
|
|
|
static gpointer
|
|
gst_nv_base_enc_bitstream_thread (gpointer user_data)
|
|
{
|
|
GstVideoEncoder *enc = user_data;
|
|
GstNvBaseEnc *nvenc = user_data;
|
|
GstFlowReturn flow = GST_FLOW_OK;
|
|
|
|
/* overview of operation:
|
|
* 1. retrieve the next buffer submitted to the bitstream pool
|
|
* 2. wait for that buffer to be ready from nvenc (LockBitsream)
|
|
* 3. retrieve the GstVideoCodecFrame associated with that buffer
|
|
* 4. for each buffer in the frame
|
|
* 4.1 (step 2): wait for that buffer to be ready from nvenc (LockBitsream)
|
|
* 4.2 create an output GstBuffer from the nvenc buffers
|
|
* 4.3 unlock the nvenc bitstream buffers UnlockBitsream
|
|
* 5. finish_frame()
|
|
* 6. cleanup
|
|
*/
|
|
do {
|
|
GstBuffer *buffer = NULL;
|
|
GstNvEncFrameState *state_in_queue = NULL;
|
|
GstNvEncFrameState *state = NULL;
|
|
GstVideoCodecFrame *frame = NULL;
|
|
NVENCSTATUS nv_ret;
|
|
NV_ENC_LOCK_BITSTREAM lock_bs = { 0, };
|
|
NV_ENC_OUTPUT_PTR out_buf;
|
|
GstNvEncInputResource *resource;
|
|
|
|
GST_LOG_OBJECT (enc, "wait for bitstream buffer..");
|
|
|
|
state_in_queue = g_async_queue_pop (nvenc->bitstream_queue);
|
|
if ((gpointer) state_in_queue == SHUTDOWN_COOKIE)
|
|
goto exit_thread;
|
|
|
|
out_buf = state_in_queue->out_buf;
|
|
resource = state_in_queue->in_buf;
|
|
|
|
GST_LOG_OBJECT (nvenc, "waiting for output buffer %p to be ready", out_buf);
|
|
|
|
lock_bs.version = gst_nvenc_get_lock_bitstream_version ();
|
|
lock_bs.outputBitstream = out_buf;
|
|
lock_bs.doNotWait = 0;
|
|
|
|
/* FIXME: this would need to be updated for other slice modes */
|
|
lock_bs.sliceOffsets = NULL;
|
|
|
|
if (!gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, ENCODE, (NULL),
|
|
("Failed to push current context"));
|
|
goto error_shutdown;
|
|
}
|
|
|
|
nv_ret = NvEncLockBitstream (nvenc->encoder, &lock_bs);
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
GST_ELEMENT_ERROR (nvenc, STREAM, ENCODE, (NULL),
|
|
("Failed to lock bitstream buffer %p, ret %d",
|
|
lock_bs.outputBitstream, nv_ret));
|
|
goto error_shutdown;
|
|
}
|
|
|
|
frame = _find_frame_with_output_buffer (nvenc, out_buf);
|
|
state = gst_video_codec_frame_get_user_data (frame);
|
|
g_assert (state->out_buf == out_buf);
|
|
|
|
/* copy into output buffer */
|
|
buffer = gst_buffer_new_allocate (NULL, lock_bs.bitstreamSizeInBytes, NULL);
|
|
gst_buffer_fill (buffer, 0, lock_bs.bitstreamBufferPtr,
|
|
lock_bs.bitstreamSizeInBytes);
|
|
|
|
if (lock_bs.pictureType == NV_ENC_PIC_TYPE_IDR) {
|
|
GST_DEBUG_OBJECT (nvenc, "This is a keyframe");
|
|
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
|
|
}
|
|
|
|
nv_ret = NvEncUnlockBitstream (nvenc->encoder, state->out_buf);
|
|
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
GST_ELEMENT_ERROR (nvenc, STREAM, ENCODE, (NULL),
|
|
("Failed to unlock bitstream buffer %p, ret %d",
|
|
lock_bs.outputBitstream, nv_ret));
|
|
gst_buffer_unref (buffer);
|
|
gst_video_encoder_finish_frame (enc, frame);
|
|
|
|
goto error_shutdown;
|
|
}
|
|
|
|
frame->dts = frame->pts;
|
|
frame->pts = lock_bs.outputTimeStamp;
|
|
frame->duration = lock_bs.outputDuration;
|
|
|
|
GST_LOG_OBJECT (nvenc, "frame index %" G_GUINT32_FORMAT
|
|
", frame type %s, dts %" GST_TIME_FORMAT
|
|
", pts %" GST_TIME_FORMAT,
|
|
lock_bs.frameIdx, picture_type_to_string (lock_bs.pictureType),
|
|
GST_TIME_ARGS (frame->dts), GST_TIME_ARGS (frame->pts));
|
|
|
|
frame->output_buffer = buffer;
|
|
|
|
nv_ret =
|
|
NvEncUnmapInputResource (nvenc->encoder,
|
|
resource->nv_mapped_resource.mappedResource);
|
|
resource->mapped = FALSE;
|
|
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ERROR_OBJECT (nvenc, "Failed to unmap input resource %p, ret %d",
|
|
resource, nv_ret);
|
|
}
|
|
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
memset (&resource->nv_mapped_resource, 0,
|
|
sizeof (resource->nv_mapped_resource));
|
|
|
|
g_async_queue_push (nvenc->available_queue, state_in_queue);
|
|
|
|
/* Ugly but no other way to get DTS offset since nvenc dose not adjust
|
|
* dts/pts even if bframe was enabled. So the output PTS can be smaller
|
|
* than DTS. The maximum difference between DTS and PTS can be calculated
|
|
* using the PTS difference between the first frame and the second frame.
|
|
*/
|
|
if (nvenc->bframes > 0) {
|
|
if (nvenc->dts_offset == 0) {
|
|
if (!nvenc->first_frame) {
|
|
/* store the first frame to get dts offset */
|
|
nvenc->first_frame = frame;
|
|
continue;
|
|
} else {
|
|
if (nvenc->first_frame->pts >= frame->pts) {
|
|
GstClockTime duration = 0;
|
|
|
|
GST_WARNING_OBJECT (enc, "Could not calculate DTS offset");
|
|
|
|
if (nvenc->input_info.fps_n > 0 && nvenc->input_info.fps_d > 0) {
|
|
duration =
|
|
gst_util_uint64_scale (GST_SECOND, nvenc->input_info.fps_d,
|
|
nvenc->input_info.fps_n);
|
|
} else if (nvenc->first_frame->duration > 0 &&
|
|
GST_CLOCK_TIME_IS_VALID (nvenc->first_frame->duration)) {
|
|
duration = nvenc->first_frame->duration;
|
|
} else {
|
|
GST_WARNING_OBJECT (enc,
|
|
"No way to get frame duration, assuming 30fps");
|
|
duration = gst_util_uint64_scale (GST_SECOND, 1, 30);
|
|
}
|
|
|
|
nvenc->dts_offset = duration * nvenc->bframes;
|
|
} else {
|
|
nvenc->dts_offset = frame->pts - nvenc->first_frame->pts;
|
|
}
|
|
|
|
/* + 1 to dts_offset to adjust fraction */
|
|
nvenc->dts_offset++;
|
|
|
|
GST_DEBUG_OBJECT (enc,
|
|
"Calculated DTS offset %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (nvenc->dts_offset));
|
|
}
|
|
|
|
nvenc->first_frame->dts -= nvenc->dts_offset;
|
|
gst_video_encoder_finish_frame (enc, nvenc->first_frame);
|
|
nvenc->first_frame = NULL;
|
|
}
|
|
|
|
frame->dts -= nvenc->dts_offset;
|
|
}
|
|
|
|
flow = gst_video_encoder_finish_frame (enc, frame);
|
|
|
|
if (flow != GST_FLOW_OK) {
|
|
GST_INFO_OBJECT (enc, "got flow %s", gst_flow_get_name (flow));
|
|
g_atomic_int_set (&nvenc->last_flow, flow);
|
|
g_async_queue_push (nvenc->available_queue, SHUTDOWN_COOKIE);
|
|
goto exit_thread;
|
|
}
|
|
}
|
|
while (TRUE);
|
|
|
|
error_shutdown:
|
|
{
|
|
if (nvenc->first_frame) {
|
|
gst_clear_buffer (&nvenc->first_frame->output_buffer);
|
|
gst_video_encoder_finish_frame (enc, nvenc->first_frame);
|
|
nvenc->first_frame = NULL;
|
|
}
|
|
g_atomic_int_set (&nvenc->last_flow, GST_FLOW_ERROR);
|
|
g_async_queue_push (nvenc->available_queue, SHUTDOWN_COOKIE);
|
|
|
|
goto exit_thread;
|
|
}
|
|
|
|
exit_thread:
|
|
{
|
|
if (nvenc->first_frame) {
|
|
gst_video_encoder_finish_frame (enc, nvenc->first_frame);
|
|
nvenc->first_frame = NULL;
|
|
}
|
|
|
|
GST_INFO_OBJECT (nvenc, "exiting thread");
|
|
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_start_bitstream_thread (GstNvBaseEnc * nvenc)
|
|
{
|
|
gchar *name = g_strdup_printf ("%s-read-bits", GST_OBJECT_NAME (nvenc));
|
|
|
|
g_assert (nvenc->bitstream_thread == NULL);
|
|
|
|
g_assert (g_async_queue_length (nvenc->bitstream_queue) == 0);
|
|
|
|
nvenc->bitstream_thread =
|
|
g_thread_try_new (name, gst_nv_base_enc_bitstream_thread, nvenc, NULL);
|
|
|
|
g_free (name);
|
|
|
|
if (nvenc->bitstream_thread == NULL)
|
|
return FALSE;
|
|
|
|
GST_INFO_OBJECT (nvenc, "started thread to read bitstream");
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_stop_bitstream_thread (GstNvBaseEnc * nvenc, gboolean force)
|
|
{
|
|
GstNvEncFrameState *state;
|
|
|
|
if (nvenc->bitstream_thread == NULL)
|
|
return TRUE;
|
|
|
|
/* Always send EOS packet to flush GPU. Otherwise, randomly crash happens
|
|
* during NvEncDestroyEncoder especially when rc-lookahead or bframe was
|
|
* enabled */
|
|
gst_nv_base_enc_drain_encoder (nvenc);
|
|
|
|
if (force) {
|
|
g_async_queue_lock (nvenc->available_queue);
|
|
g_async_queue_lock (nvenc->pending_queue);
|
|
g_async_queue_lock (nvenc->bitstream_queue);
|
|
while ((state = g_async_queue_try_pop_unlocked (nvenc->bitstream_queue))) {
|
|
GST_INFO_OBJECT (nvenc, "stole bitstream buffer %p from queue", state);
|
|
g_async_queue_push_unlocked (nvenc->available_queue, state);
|
|
}
|
|
g_async_queue_push_unlocked (nvenc->bitstream_queue, SHUTDOWN_COOKIE);
|
|
g_async_queue_unlock (nvenc->available_queue);
|
|
g_async_queue_unlock (nvenc->pending_queue);
|
|
g_async_queue_unlock (nvenc->bitstream_queue);
|
|
} else {
|
|
/* wait for encoder to drain the remaining buffers */
|
|
g_async_queue_push (nvenc->bitstream_queue, SHUTDOWN_COOKIE);
|
|
}
|
|
|
|
if (!force) {
|
|
/* temporary unlock during finish, so other thread can find and push frame */
|
|
GST_VIDEO_ENCODER_STREAM_UNLOCK (nvenc);
|
|
}
|
|
|
|
g_thread_join (nvenc->bitstream_thread);
|
|
|
|
if (!force)
|
|
GST_VIDEO_ENCODER_STREAM_LOCK (nvenc);
|
|
|
|
nvenc->bitstream_thread = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_reset_queues (GstNvBaseEnc * nvenc)
|
|
{
|
|
gpointer ptr;
|
|
|
|
GST_INFO_OBJECT (nvenc, "clearing queues");
|
|
|
|
while ((ptr = g_async_queue_try_pop (nvenc->available_queue))) {
|
|
/* do nothing */
|
|
}
|
|
while ((ptr = g_async_queue_try_pop (nvenc->pending_queue))) {
|
|
/* do nothing */
|
|
}
|
|
while ((ptr = g_async_queue_try_pop (nvenc->bitstream_queue))) {
|
|
/* do nothing */
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_free_buffers (GstNvBaseEnc * nvenc)
|
|
{
|
|
NVENCSTATUS nv_ret;
|
|
CUresult cuda_ret;
|
|
guint i;
|
|
|
|
if (nvenc->encoder == NULL)
|
|
return;
|
|
|
|
gst_nv_base_enc_reset_queues (nvenc);
|
|
|
|
if (!nvenc->items || !nvenc->items->len)
|
|
return;
|
|
|
|
gst_cuda_context_push (nvenc->cuda_ctx);
|
|
for (i = 0; i < nvenc->items->len; ++i) {
|
|
NV_ENC_OUTPUT_PTR out_buf =
|
|
g_array_index (nvenc->items, GstNvEncFrameState, i).out_buf;
|
|
GstNvEncInputResource *in_buf =
|
|
g_array_index (nvenc->items, GstNvEncFrameState, i).in_buf;
|
|
|
|
if (in_buf->mapped) {
|
|
GST_LOG_OBJECT (nvenc, "Unmap resource %p", in_buf);
|
|
|
|
nv_ret =
|
|
NvEncUnmapInputResource (nvenc->encoder,
|
|
in_buf->nv_mapped_resource.mappedResource);
|
|
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ERROR_OBJECT (nvenc, "Failed to unmap input resource %p, ret %d",
|
|
in_buf, nv_ret);
|
|
}
|
|
}
|
|
|
|
nv_ret =
|
|
NvEncUnregisterResource (nvenc->encoder,
|
|
in_buf->nv_resource.registeredResource);
|
|
if (nv_ret != NV_ENC_SUCCESS)
|
|
GST_ERROR_OBJECT (nvenc, "Failed to unregister resource %p, ret %d",
|
|
in_buf, nv_ret);
|
|
|
|
cuda_ret = CuMemFree (in_buf->cuda_pointer);
|
|
if (!gst_cuda_result (cuda_ret)) {
|
|
GST_ERROR_OBJECT (nvenc, "Failed to free CUDA device memory, ret %d",
|
|
cuda_ret);
|
|
}
|
|
|
|
g_free (in_buf);
|
|
|
|
GST_DEBUG_OBJECT (nvenc, "Destroying output bitstream buffer %p", out_buf);
|
|
nv_ret = NvEncDestroyBitstreamBuffer (nvenc->encoder, out_buf);
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ERROR_OBJECT (nvenc, "Failed to destroy output buffer %p, ret %d",
|
|
out_buf, nv_ret);
|
|
}
|
|
}
|
|
gst_cuda_context_pop (NULL);
|
|
g_array_set_size (nvenc->items, 0);
|
|
}
|
|
|
|
static inline guint
|
|
_get_plane_width (GstVideoInfo * info, guint plane)
|
|
{
|
|
return GST_VIDEO_INFO_COMP_WIDTH (info, plane)
|
|
* GST_VIDEO_INFO_COMP_PSTRIDE (info, plane);
|
|
}
|
|
|
|
static inline guint
|
|
_get_plane_height (GstVideoInfo * info, guint plane)
|
|
{
|
|
if (GST_VIDEO_INFO_IS_YUV (info))
|
|
/* For now component width and plane width are the same and the
|
|
* plane-component mapping matches
|
|
*/
|
|
return GST_VIDEO_INFO_COMP_HEIGHT (info, plane);
|
|
else /* RGB, GRAY */
|
|
return GST_VIDEO_INFO_HEIGHT (info);
|
|
}
|
|
|
|
static inline gsize
|
|
_get_frame_data_height (GstVideoInfo * info)
|
|
{
|
|
gsize ret = 0;
|
|
gint i;
|
|
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
|
|
ret += _get_plane_height (info, i);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
qp_has_values (const GstNvEncQP * qp)
|
|
{
|
|
return qp->qp_i >= 0 && qp->qp_p >= 0 && qp->qp_b >= 0;
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_setup_rate_control (GstNvBaseEnc * nvenc,
|
|
NV_ENC_RC_PARAMS * rc_params)
|
|
{
|
|
GstNvRCMode rc_mode = nvenc->rate_control_mode;
|
|
NV_ENC_PARAMS_RC_MODE nv_rcmode;
|
|
|
|
if (nvenc->bitrate)
|
|
rc_params->averageBitRate = nvenc->bitrate * 1024;
|
|
|
|
if (nvenc->max_bitrate)
|
|
rc_params->maxBitRate = nvenc->max_bitrate * 1024;
|
|
|
|
if (nvenc->vbv_buffersize)
|
|
rc_params->vbvBufferSize = nvenc->vbv_buffersize * 1024;
|
|
|
|
/* Guess the best matching mode */
|
|
if (rc_mode == GST_NV_RC_MODE_DEFAULT) {
|
|
if (nvenc->qp_const >= 0) {
|
|
/* constQP is used only for RC_CONSTQP mode */
|
|
rc_mode = GST_NV_RC_MODE_CONSTQP;
|
|
}
|
|
}
|
|
|
|
if (nvenc->qp_min >= 0) {
|
|
rc_params->enableMinQP = 1;
|
|
rc_params->minQP.qpInterB = nvenc->qp_min;
|
|
rc_params->minQP.qpInterP = nvenc->qp_min;
|
|
rc_params->minQP.qpIntra = nvenc->qp_min;
|
|
} else if (qp_has_values (&nvenc->qp_min_detail)) {
|
|
rc_params->enableMinQP = 1;
|
|
rc_params->minQP.qpInterB = nvenc->qp_min_detail.qp_b;
|
|
rc_params->minQP.qpInterP = nvenc->qp_min_detail.qp_p;
|
|
rc_params->minQP.qpIntra = nvenc->qp_min_detail.qp_i;
|
|
}
|
|
|
|
if (nvenc->qp_max >= 0) {
|
|
rc_params->enableMaxQP = 1;
|
|
rc_params->maxQP.qpInterB = nvenc->qp_max;
|
|
rc_params->maxQP.qpInterP = nvenc->qp_max;
|
|
rc_params->maxQP.qpIntra = nvenc->qp_max;
|
|
} else if (qp_has_values (&nvenc->qp_max_detail)) {
|
|
rc_params->enableMaxQP = 1;
|
|
rc_params->maxQP.qpInterB = nvenc->qp_max_detail.qp_b;
|
|
rc_params->maxQP.qpInterP = nvenc->qp_max_detail.qp_p;
|
|
rc_params->maxQP.qpIntra = nvenc->qp_max_detail.qp_i;
|
|
}
|
|
|
|
if (nvenc->qp_const >= 0) {
|
|
rc_params->constQP.qpInterB = nvenc->qp_const;
|
|
rc_params->constQP.qpInterP = nvenc->qp_const;
|
|
rc_params->constQP.qpIntra = nvenc->qp_const;
|
|
} else if (qp_has_values (&nvenc->qp_const_detail)) {
|
|
rc_params->constQP.qpInterB = nvenc->qp_const_detail.qp_b;
|
|
rc_params->constQP.qpInterP = nvenc->qp_const_detail.qp_p;
|
|
rc_params->constQP.qpIntra = nvenc->qp_const_detail.qp_i;
|
|
}
|
|
|
|
nv_rcmode = _rc_mode_to_nv (rc_mode);
|
|
if (nv_rcmode == NV_ENC_PARAMS_RC_VBR_MINQP && nvenc->qp_min < 0) {
|
|
GST_WARNING_OBJECT (nvenc, "vbr-minqp was requested without qp-min");
|
|
nv_rcmode = NV_ENC_PARAMS_RC_VBR;
|
|
}
|
|
|
|
rc_params->rateControlMode = nv_rcmode;
|
|
|
|
if (nvenc->spatial_aq) {
|
|
rc_params->enableAQ = 1;
|
|
rc_params->aqStrength = nvenc->aq_strength;
|
|
}
|
|
|
|
rc_params->enableTemporalAQ = nvenc->temporal_aq;
|
|
|
|
if (nvenc->rc_lookahead) {
|
|
rc_params->enableLookahead = 1;
|
|
rc_params->lookaheadDepth = nvenc->rc_lookahead;
|
|
rc_params->disableIadapt = !nvenc->i_adapt;
|
|
rc_params->disableBadapt = !nvenc->b_adapt;
|
|
}
|
|
|
|
rc_params->strictGOPTarget = nvenc->strict_gop;
|
|
rc_params->enableNonRefP = nvenc->non_refp;
|
|
rc_params->zeroReorderDelay = nvenc->zerolatency;
|
|
|
|
if (nvenc->const_quality) {
|
|
guint scaled = (gint) (nvenc->const_quality * 256.0);
|
|
|
|
rc_params->targetQuality = (guint8) (scaled >> 8);
|
|
rc_params->targetQualityLSB = (guint8) (scaled & 0xff);
|
|
}
|
|
}
|
|
|
|
static guint
|
|
gst_nv_base_enc_calculate_num_prealloc_buffers (GstNvBaseEnc * enc,
|
|
NV_ENC_CONFIG * config)
|
|
{
|
|
guint num_buffers;
|
|
|
|
/* At least 4 surfaces are required as documented by Nvidia Encoder guide */
|
|
num_buffers = 4;
|
|
|
|
/* + lookahead depth */
|
|
num_buffers += config->rcParams.lookaheadDepth;
|
|
|
|
/* + GOP size */
|
|
num_buffers += config->frameIntervalP;
|
|
|
|
/* hardcoded upper bound "48"
|
|
* The worst case
|
|
* default num buffers: 4
|
|
* maximum allowed lookahead: 32
|
|
* max bfraems: 4 -> frameIntervalP: 5
|
|
* "4 + 32 + 5" < "48" so it seems to sufficiently safe upper bound */
|
|
num_buffers = MIN (num_buffers, 48);
|
|
|
|
GST_DEBUG_OBJECT (enc, "Calculated num buffers: %d "
|
|
"(lookahead %d, frameIntervalP %d)",
|
|
num_buffers, config->rcParams.lookaheadDepth, config->frameIntervalP);
|
|
|
|
return num_buffers;
|
|
}
|
|
|
|
/* GstVideoEncoder::set_format or by nvenc self if new properties were set.
|
|
*
|
|
* NvEncReconfigureEncoder with following conditions are not allowed
|
|
* 1) GOP structure change
|
|
* 2) sync-Async mode change (Async mode is Windows only and we didn't support it)
|
|
* 3) MaxWidth, MaxHeight
|
|
* 4) PTDmode (Picture Type Decision mode)
|
|
*
|
|
* So we will force to re-init the encode session if
|
|
* 1) New resolution is larger than previous config
|
|
* 2) GOP size changed
|
|
* 3) Input pixel format change
|
|
* pre-allocated CUDA memory could not ensure stride, width and height
|
|
*
|
|
* TODO: bframe also considered as force re-init case
|
|
*/
|
|
static gboolean
|
|
gst_nv_base_enc_set_format (GstVideoEncoder * enc, GstVideoCodecState * state)
|
|
{
|
|
GstNvBaseEncClass *nvenc_class = GST_NV_BASE_ENC_GET_CLASS (enc);
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
GstVideoInfo *info = &state->info;
|
|
GstVideoCodecState *old_state = nvenc->input_state;
|
|
NV_ENC_RECONFIGURE_PARAMS reconfigure_params = { 0, };
|
|
NV_ENC_INITIALIZE_PARAMS *params = &nvenc->init_params;
|
|
NV_ENC_PRESET_CONFIG preset_config = { 0, };
|
|
NVENCSTATUS nv_ret;
|
|
gint dar_n, dar_d;
|
|
gboolean reconfigure = FALSE;
|
|
|
|
g_atomic_int_set (&nvenc->reconfig, FALSE);
|
|
|
|
if (!nvenc->encoder && !gst_nv_base_enc_open_encode_session (nvenc)) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, INIT, (NULL),
|
|
("Failed to open encode session"));
|
|
return FALSE;
|
|
}
|
|
|
|
if (old_state) {
|
|
gboolean larger_resolution;
|
|
gboolean format_changed;
|
|
gboolean gop_size_changed;
|
|
|
|
larger_resolution =
|
|
(GST_VIDEO_INFO_WIDTH (info) > nvenc->init_params.maxEncodeWidth ||
|
|
GST_VIDEO_INFO_HEIGHT (info) > nvenc->init_params.maxEncodeHeight);
|
|
format_changed =
|
|
GST_VIDEO_INFO_FORMAT (info) !=
|
|
GST_VIDEO_INFO_FORMAT (&old_state->info);
|
|
|
|
if (nvenc->config.gopLength == NVENC_INFINITE_GOPLENGTH
|
|
&& nvenc->gop_size == -1) {
|
|
gop_size_changed = FALSE;
|
|
} else if (nvenc->config.gopLength != nvenc->gop_size) {
|
|
gop_size_changed = TRUE;
|
|
} else {
|
|
gop_size_changed = FALSE;
|
|
}
|
|
|
|
if (larger_resolution || format_changed || gop_size_changed) {
|
|
GST_DEBUG_OBJECT (nvenc,
|
|
"resolution %dx%d -> %dx%d, format %s -> %s, re-init",
|
|
nvenc->init_params.maxEncodeWidth, nvenc->init_params.maxEncodeHeight,
|
|
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info),
|
|
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (&old_state->info)),
|
|
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info)));
|
|
|
|
gst_nv_base_enc_drain_encoder (nvenc);
|
|
gst_nv_base_enc_stop_bitstream_thread (nvenc, FALSE);
|
|
gst_nv_base_enc_free_buffers (nvenc);
|
|
NvEncDestroyEncoder (nvenc->encoder);
|
|
nvenc->encoder = NULL;
|
|
|
|
if (!gst_nv_base_enc_open_encode_session (nvenc)) {
|
|
GST_ERROR_OBJECT (nvenc, "Failed to open encode session");
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
reconfigure_params.version = gst_nvenc_get_reconfigure_params_version ();
|
|
/* reset rate control state and start from IDR */
|
|
reconfigure_params.resetEncoder = TRUE;
|
|
reconfigure_params.forceIDR = TRUE;
|
|
reconfigure = TRUE;
|
|
}
|
|
}
|
|
|
|
params->version = gst_nvenc_get_initialize_params_version ();
|
|
params->encodeGUID = nvenc_class->codec_id;
|
|
params->encodeWidth = GST_VIDEO_INFO_WIDTH (info);
|
|
params->encodeHeight = GST_VIDEO_INFO_HEIGHT (info);
|
|
|
|
{
|
|
guint32 n_presets;
|
|
GUID *presets;
|
|
guint32 i;
|
|
|
|
nv_ret =
|
|
NvEncGetEncodePresetCount (nvenc->encoder,
|
|
params->encodeGUID, &n_presets);
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, SETTINGS, (NULL),
|
|
("Failed to get encoder presets"));
|
|
return FALSE;
|
|
}
|
|
|
|
presets = g_new0 (GUID, n_presets);
|
|
nv_ret =
|
|
NvEncGetEncodePresetGUIDs (nvenc->encoder,
|
|
params->encodeGUID, presets, n_presets, &n_presets);
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, SETTINGS, (NULL),
|
|
("Failed to get encoder presets"));
|
|
g_free (presets);
|
|
return FALSE;
|
|
}
|
|
|
|
for (i = 0; i < n_presets; i++) {
|
|
if (gst_nvenc_cmp_guid (presets[i], nvenc->selected_preset))
|
|
break;
|
|
}
|
|
g_free (presets);
|
|
if (i >= n_presets) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, SETTINGS, (NULL),
|
|
("Selected preset not supported"));
|
|
return FALSE;
|
|
}
|
|
|
|
params->presetGUID = nvenc->selected_preset;
|
|
}
|
|
|
|
params->enablePTD = 1;
|
|
if (!reconfigure) {
|
|
/* this sets the required buffer size and the maximum allowed size on
|
|
* subsequent reconfigures */
|
|
params->maxEncodeWidth = GST_VIDEO_INFO_WIDTH (info);
|
|
params->maxEncodeHeight = GST_VIDEO_INFO_HEIGHT (info);
|
|
}
|
|
|
|
preset_config.version = gst_nvenc_get_preset_config_version ();
|
|
preset_config.presetCfg.version = gst_nvenc_get_config_version ();
|
|
|
|
nv_ret =
|
|
NvEncGetEncodePresetConfig (nvenc->encoder,
|
|
params->encodeGUID, params->presetGUID, &preset_config);
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, SETTINGS, (NULL),
|
|
("Failed to get encode preset configuration: %d", nv_ret));
|
|
return FALSE;
|
|
}
|
|
|
|
params->encodeConfig = &preset_config.presetCfg;
|
|
|
|
if (GST_VIDEO_INFO_IS_INTERLACED (info)) {
|
|
if (GST_VIDEO_INFO_INTERLACE_MODE (info) ==
|
|
GST_VIDEO_INTERLACE_MODE_INTERLEAVED
|
|
|| GST_VIDEO_INFO_INTERLACE_MODE (info) ==
|
|
GST_VIDEO_INTERLACE_MODE_MIXED) {
|
|
preset_config.presetCfg.frameFieldMode =
|
|
NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
|
|
}
|
|
}
|
|
|
|
if (info->fps_d > 0 && info->fps_n > 0) {
|
|
params->frameRateNum = info->fps_n;
|
|
params->frameRateDen = info->fps_d;
|
|
} else {
|
|
params->frameRateNum = 0;
|
|
params->frameRateDen = 1;
|
|
}
|
|
|
|
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) {
|
|
params->darWidth = dar_n;
|
|
params->darHeight = dar_d;
|
|
}
|
|
|
|
gst_nv_base_enc_setup_rate_control (nvenc, ¶ms->encodeConfig->rcParams);
|
|
|
|
params->enableWeightedPrediction = nvenc->weighted_pred;
|
|
|
|
if (nvenc->gop_size < 0) {
|
|
params->encodeConfig->gopLength = NVENC_INFINITE_GOPLENGTH;
|
|
params->encodeConfig->frameIntervalP = 1;
|
|
} else if (nvenc->gop_size > 0) {
|
|
params->encodeConfig->gopLength = nvenc->gop_size;
|
|
/* frameIntervalP
|
|
* 0: All Intra frames
|
|
* 1: I/P only
|
|
* n ( > 1): n - 1 bframes
|
|
*/
|
|
params->encodeConfig->frameIntervalP = nvenc->bframes + 1;
|
|
} else {
|
|
/* gop size == 0 means all intra frames */
|
|
params->encodeConfig->gopLength = 1;
|
|
params->encodeConfig->frameIntervalP = 0;
|
|
}
|
|
|
|
g_assert (nvenc_class->set_encoder_config);
|
|
if (!nvenc_class->set_encoder_config (nvenc, state, params->encodeConfig)) {
|
|
GST_ERROR_OBJECT (enc, "Subclass failed to set encoder configuration");
|
|
return FALSE;
|
|
}
|
|
|
|
/* store the last config to reconfig/re-init decision in the next time */
|
|
nvenc->config = *params->encodeConfig;
|
|
|
|
G_LOCK (initialization_lock);
|
|
if (reconfigure) {
|
|
reconfigure_params.reInitEncodeParams = nvenc->init_params;
|
|
nv_ret = NvEncReconfigureEncoder (nvenc->encoder, &reconfigure_params);
|
|
} else {
|
|
nv_ret = NvEncInitializeEncoder (nvenc->encoder, params);
|
|
}
|
|
G_UNLOCK (initialization_lock);
|
|
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, SETTINGS, (NULL),
|
|
("Failed to %sinit encoder: %d", reconfigure ? "re" : "", nv_ret));
|
|
NvEncDestroyEncoder (nvenc->encoder);
|
|
nvenc->encoder = NULL;
|
|
return FALSE;
|
|
}
|
|
|
|
if (!reconfigure) {
|
|
nvenc->input_info = *info;
|
|
}
|
|
|
|
if (nvenc->input_state)
|
|
gst_video_codec_state_unref (nvenc->input_state);
|
|
nvenc->input_state = gst_video_codec_state_ref (state);
|
|
GST_INFO_OBJECT (nvenc, "%sconfigured encoder", reconfigure ? "re" : "");
|
|
|
|
/* now allocate some buffers only on first configuration */
|
|
if (!reconfigure) {
|
|
GstCapsFeatures *features;
|
|
guint i;
|
|
guint input_width, input_height;
|
|
guint n_bufs;
|
|
|
|
input_width = GST_VIDEO_INFO_WIDTH (info);
|
|
input_height = GST_VIDEO_INFO_HEIGHT (info);
|
|
|
|
n_bufs =
|
|
gst_nv_base_enc_calculate_num_prealloc_buffers (nvenc,
|
|
params->encodeConfig);
|
|
|
|
/* input buffers */
|
|
g_array_set_size (nvenc->items, n_bufs);
|
|
|
|
nvenc->mem_type = GST_NVENC_MEM_TYPE_SYSTEM;
|
|
|
|
features = gst_caps_get_features (state->caps, 0);
|
|
if (gst_caps_features_contains (features,
|
|
GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY)) {
|
|
nvenc->mem_type = GST_NVENC_MEM_TYPE_CUDA;
|
|
}
|
|
#if HAVE_NVCODEC_GST_GL
|
|
else if (gst_caps_features_contains (features,
|
|
GST_CAPS_FEATURE_MEMORY_GL_MEMORY)) {
|
|
nvenc->mem_type = GST_NVENC_MEM_TYPE_GL;
|
|
}
|
|
#endif
|
|
|
|
gst_cuda_context_push (nvenc->cuda_ctx);
|
|
for (i = 0; i < nvenc->items->len; ++i) {
|
|
GstNvEncInputResource *resource = g_new0 (GstNvEncInputResource, 1);
|
|
CUresult cu_ret;
|
|
|
|
memset (&resource->nv_resource, 0, sizeof (resource->nv_resource));
|
|
memset (&resource->nv_mapped_resource, 0,
|
|
sizeof (resource->nv_mapped_resource));
|
|
|
|
/* scratch buffer for non-contiguous planer into a contiguous buffer */
|
|
cu_ret =
|
|
CuMemAllocPitch (&resource->cuda_pointer,
|
|
&resource->cuda_stride, _get_plane_width (info, 0),
|
|
_get_frame_data_height (info), 16);
|
|
if (!gst_cuda_result (cu_ret)) {
|
|
GST_ERROR_OBJECT (nvenc, "failed to allocate cuda scratch buffer "
|
|
"ret %d", cu_ret);
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
resource->nv_resource.version =
|
|
gst_nvenc_get_registure_resource_version ();
|
|
resource->nv_resource.resourceType =
|
|
NV_ENC_INPUT_RESOURCE_TYPE_CUDADEVICEPTR;
|
|
resource->nv_resource.width = input_width;
|
|
resource->nv_resource.height = input_height;
|
|
resource->nv_resource.pitch = resource->cuda_stride;
|
|
resource->nv_resource.bufferFormat =
|
|
gst_nvenc_get_nv_buffer_format (GST_VIDEO_INFO_FORMAT (info));
|
|
resource->nv_resource.resourceToRegister =
|
|
(gpointer) resource->cuda_pointer;
|
|
|
|
nv_ret = NvEncRegisterResource (nvenc->encoder, &resource->nv_resource);
|
|
if (nv_ret != NV_ENC_SUCCESS)
|
|
GST_ERROR_OBJECT (nvenc, "Failed to register resource %p, ret %d",
|
|
resource, nv_ret);
|
|
|
|
g_array_index (nvenc->items, GstNvEncFrameState, i).in_buf = resource;
|
|
}
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
/* output buffers */
|
|
for (i = 0; i < nvenc->items->len; ++i) {
|
|
NV_ENC_CREATE_BITSTREAM_BUFFER cout_buf = { 0, };
|
|
|
|
cout_buf.version = gst_nvenc_get_create_bitstream_buffer_version ();
|
|
|
|
/* 1 MB should be large enough to hold most output frames.
|
|
* NVENC will automatically increase this if it's not enough. */
|
|
cout_buf.size = 1024 * 1024;
|
|
cout_buf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
|
|
|
|
G_LOCK (initialization_lock);
|
|
nv_ret = NvEncCreateBitstreamBuffer (nvenc->encoder, &cout_buf);
|
|
G_UNLOCK (initialization_lock);
|
|
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_WARNING_OBJECT (enc, "Failed to allocate input buffer: %d", nv_ret);
|
|
/* FIXME: clean up */
|
|
return FALSE;
|
|
}
|
|
|
|
GST_INFO_OBJECT (nvenc, "allocated output buffer %2d: %p", i,
|
|
cout_buf.bitstreamBuffer);
|
|
|
|
g_array_index (nvenc->items, GstNvEncFrameState, i).out_buf =
|
|
cout_buf.bitstreamBuffer;
|
|
|
|
g_async_queue_push (nvenc->available_queue, &g_array_index (nvenc->items,
|
|
GstNvEncFrameState, i));
|
|
}
|
|
|
|
#if 0
|
|
/* Get SPS/PPS */
|
|
{
|
|
NV_ENC_SEQUENCE_PARAM_PAYLOAD seq_param = { 0 };
|
|
uint32_t seq_size = 0;
|
|
|
|
seq_param.version = gst_nvenc_get_sequence_param_payload_version ();
|
|
seq_param.spsppsBuffer = g_alloca (1024);
|
|
seq_param.inBufferSize = 1024;
|
|
seq_param.outSPSPPSPayloadSize = &seq_size;
|
|
|
|
nv_ret = NvEncGetSequenceParams (nvenc->encoder, &seq_param);
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_WARNING_OBJECT (enc, "Failed to retrieve SPS/PPS: %d", nv_ret);
|
|
return FALSE;
|
|
}
|
|
|
|
/* FIXME: use SPS/PPS */
|
|
GST_MEMDUMP_OBJECT (enc, "SPS/PPS", seq_param.spsppsBuffer, seq_size);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
g_assert (nvenc_class->set_src_caps);
|
|
if (!nvenc_class->set_src_caps (nvenc, state)) {
|
|
GST_ERROR_OBJECT (nvenc, "Subclass failed to set output caps");
|
|
/* FIXME: clean up */
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static guint
|
|
_get_cuda_device_stride (GstVideoInfo * info, guint plane, gsize cuda_stride)
|
|
{
|
|
switch (GST_VIDEO_INFO_FORMAT (info)) {
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
case GST_VIDEO_FORMAT_NV21:
|
|
case GST_VIDEO_FORMAT_P010_10LE:
|
|
case GST_VIDEO_FORMAT_P010_10BE:
|
|
case GST_VIDEO_FORMAT_Y444:
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
case GST_VIDEO_FORMAT_BGR10A2_LE:
|
|
case GST_VIDEO_FORMAT_RGB10A2_LE:
|
|
case GST_VIDEO_FORMAT_Y444_16LE:
|
|
case GST_VIDEO_FORMAT_Y444_16BE:
|
|
case GST_VIDEO_FORMAT_VUYA:
|
|
return cuda_stride;
|
|
case GST_VIDEO_FORMAT_I420:
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
return plane == 0 ? cuda_stride : (GST_ROUND_UP_2 (cuda_stride) / 2);
|
|
default:
|
|
g_assert_not_reached ();
|
|
return cuda_stride;
|
|
}
|
|
}
|
|
|
|
#if HAVE_NVCODEC_GST_GL
|
|
typedef struct _GstNvEncRegisterResourceData
|
|
{
|
|
GstMemory *mem;
|
|
GstCudaGraphicsResource *resource;
|
|
GstNvBaseEnc *nvenc;
|
|
gboolean ret;
|
|
} GstNvEncRegisterResourceData;
|
|
|
|
static void
|
|
register_cuda_resource (GstGLContext * context,
|
|
GstNvEncRegisterResourceData * data)
|
|
{
|
|
GstMemory *mem = data->mem;
|
|
GstCudaGraphicsResource *resource = data->resource;
|
|
GstNvBaseEnc *nvenc = data->nvenc;
|
|
GstMapInfo map_info = GST_MAP_INFO_INIT;
|
|
GstGLBuffer *gl_buf_obj;
|
|
|
|
data->ret = FALSE;
|
|
|
|
if (!gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
GST_WARNING_OBJECT (nvenc, "failed to push CUDA context");
|
|
return;
|
|
}
|
|
|
|
if (gst_memory_map (mem, &map_info, GST_MAP_READ | GST_MAP_GL)) {
|
|
GstGLMemoryPBO *gl_mem = (GstGLMemoryPBO *) data->mem;
|
|
gl_buf_obj = gl_mem->pbo;
|
|
|
|
GST_LOG_OBJECT (nvenc,
|
|
"registure glbuffer %d to CUDA resource", gl_buf_obj->id);
|
|
|
|
if (gst_cuda_graphics_resource_register_gl_buffer (resource,
|
|
gl_buf_obj->id, CU_GRAPHICS_REGISTER_FLAGS_NONE)) {
|
|
data->ret = TRUE;
|
|
} else {
|
|
GST_WARNING_OBJECT (nvenc, "failed to register memory");
|
|
}
|
|
|
|
gst_memory_unmap (mem, &map_info);
|
|
} else {
|
|
GST_WARNING_OBJECT (nvenc, "failed to map memory");
|
|
}
|
|
|
|
if (!gst_cuda_context_pop (NULL))
|
|
GST_WARNING_OBJECT (nvenc, "failed to unlock CUDA context");
|
|
}
|
|
|
|
static GstCudaGraphicsResource *
|
|
ensure_cuda_graphics_resource (GstMemory * mem, GstNvBaseEnc * nvenc)
|
|
{
|
|
GQuark quark;
|
|
GstCudaGraphicsResource *cgr_info;
|
|
GstNvEncRegisterResourceData data;
|
|
|
|
if (!gst_is_gl_memory_pbo (mem)) {
|
|
GST_WARNING_OBJECT (nvenc, "memory is not GL PBO memory, %s",
|
|
mem->allocator->mem_type);
|
|
return NULL;
|
|
}
|
|
|
|
quark = gst_cuda_quark_from_id (GST_CUDA_QUARK_GRAPHICS_RESOURCE);
|
|
|
|
cgr_info = gst_mini_object_get_qdata (GST_MINI_OBJECT (mem), quark);
|
|
if (!cgr_info) {
|
|
cgr_info = gst_cuda_graphics_resource_new (nvenc->cuda_ctx,
|
|
GST_OBJECT (GST_GL_BASE_MEMORY_CAST (mem)->context),
|
|
GST_CUDA_GRAPHICS_RESOURCE_GL_BUFFER);
|
|
data.mem = mem;
|
|
data.resource = cgr_info;
|
|
data.nvenc = nvenc;
|
|
gst_gl_context_thread_add ((GstGLContext *) cgr_info->graphics_context,
|
|
(GstGLContextThreadFunc) register_cuda_resource, &data);
|
|
if (!data.ret) {
|
|
GST_WARNING_OBJECT (nvenc, "could not register resource");
|
|
gst_cuda_graphics_resource_free (cgr_info);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
gst_mini_object_set_qdata (GST_MINI_OBJECT (mem), quark, cgr_info,
|
|
(GDestroyNotify) gst_cuda_graphics_resource_free);
|
|
}
|
|
|
|
return cgr_info;
|
|
}
|
|
|
|
typedef struct _GstNvEncGLMapData
|
|
{
|
|
GstNvBaseEnc *nvenc;
|
|
GstBuffer *buffer;
|
|
GstVideoInfo *info;
|
|
GstNvEncInputResource *resource;
|
|
|
|
gboolean ret;
|
|
} GstNvEncGLMapData;
|
|
|
|
static void
|
|
_map_gl_input_buffer (GstGLContext * context, GstNvEncGLMapData * data)
|
|
{
|
|
GstNvBaseEnc *nvenc = data->nvenc;
|
|
CUresult cuda_ret;
|
|
CUdeviceptr data_pointer;
|
|
guint i;
|
|
CUDA_MEMCPY2D param;
|
|
GstCudaGraphicsResource **resources;
|
|
guint num_resources;
|
|
|
|
data->ret = FALSE;
|
|
|
|
num_resources = gst_buffer_n_memory (data->buffer);
|
|
resources = g_newa (GstCudaGraphicsResource *, num_resources);
|
|
|
|
for (i = 0; i < num_resources; i++) {
|
|
GstMemory *mem;
|
|
|
|
mem = gst_buffer_peek_memory (data->buffer, i);
|
|
resources[i] = ensure_cuda_graphics_resource (mem, nvenc);
|
|
if (!resources[i]) {
|
|
GST_ERROR_OBJECT (nvenc, "could not register %dth memory", i);
|
|
return;
|
|
}
|
|
}
|
|
|
|
gst_cuda_context_push (nvenc->cuda_ctx);
|
|
data_pointer = data->resource->cuda_pointer;
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (data->info); i++) {
|
|
GstGLBuffer *gl_buf_obj;
|
|
GstGLMemoryPBO *gl_mem;
|
|
guint src_stride, dest_stride;
|
|
CUgraphicsResource cuda_resource;
|
|
gsize cuda_num_bytes;
|
|
CUdeviceptr cuda_plane_pointer;
|
|
|
|
gl_mem = (GstGLMemoryPBO *) gst_buffer_peek_memory (data->buffer, i);
|
|
g_return_if_fail (gst_is_gl_memory_pbo ((GstMemory *) gl_mem));
|
|
|
|
gl_buf_obj = (GstGLBuffer *) gl_mem->pbo;
|
|
g_return_if_fail (gl_buf_obj != NULL);
|
|
|
|
/* get the texture into the PBO */
|
|
gst_gl_memory_pbo_upload_transfer (gl_mem);
|
|
gst_gl_memory_pbo_download_transfer (gl_mem);
|
|
|
|
GST_LOG_OBJECT (nvenc, "attempting to copy texture %u into cuda",
|
|
gl_mem->mem.tex_id);
|
|
|
|
cuda_resource =
|
|
gst_cuda_graphics_resource_map (resources[i], nvenc->cuda_stream,
|
|
CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
|
|
|
|
if (!cuda_resource) {
|
|
GST_ERROR_OBJECT (nvenc, "failed to map GL texture %u into cuda",
|
|
gl_mem->mem.tex_id);
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
cuda_ret =
|
|
CuGraphicsResourceGetMappedPointer (&cuda_plane_pointer,
|
|
&cuda_num_bytes, cuda_resource);
|
|
|
|
if (!gst_cuda_result (cuda_ret)) {
|
|
GST_ERROR_OBJECT (nvenc, "failed to get mapped pointer of map GL "
|
|
"texture %u in cuda ret :%d", gl_mem->mem.tex_id, cuda_ret);
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
src_stride = GST_VIDEO_INFO_PLANE_STRIDE (data->info, i);
|
|
dest_stride = _get_cuda_device_stride (&nvenc->input_info,
|
|
i, data->resource->cuda_stride);
|
|
|
|
/* copy into scratch buffer */
|
|
param.srcXInBytes = 0;
|
|
param.srcY = 0;
|
|
param.srcMemoryType = CU_MEMORYTYPE_DEVICE;
|
|
param.srcDevice = cuda_plane_pointer;
|
|
param.srcPitch = src_stride;
|
|
|
|
param.dstXInBytes = 0;
|
|
param.dstY = 0;
|
|
param.dstMemoryType = CU_MEMORYTYPE_DEVICE;
|
|
param.dstDevice = data_pointer;
|
|
param.dstPitch = dest_stride;
|
|
param.WidthInBytes = _get_plane_width (data->info, i);
|
|
param.Height = _get_plane_height (data->info, i);
|
|
|
|
cuda_ret = CuMemcpy2DAsync (¶m, nvenc->cuda_stream);
|
|
if (!gst_cuda_result (cuda_ret)) {
|
|
GST_ERROR_OBJECT (data->nvenc, "failed to copy GL texture %u into cuda "
|
|
"ret :%d", gl_mem->mem.tex_id, cuda_ret);
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
gst_cuda_graphics_resource_unmap (resources[i], nvenc->cuda_stream);
|
|
|
|
data_pointer += dest_stride * _get_plane_height (&nvenc->input_info, i);
|
|
}
|
|
gst_cuda_result (CuStreamSynchronize (nvenc->cuda_stream));
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
data->ret = TRUE;
|
|
}
|
|
#endif
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_upload_frame (GstNvBaseEnc * nvenc, GstVideoFrame * frame,
|
|
GstNvEncInputResource * resource, gboolean use_device_memory)
|
|
{
|
|
gint i;
|
|
CUdeviceptr dst = resource->cuda_pointer;
|
|
GstVideoInfo *info = &frame->info;
|
|
CUresult cuda_ret;
|
|
GstCudaMemory *cuda_mem = NULL;
|
|
|
|
if (!gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
GST_ERROR_OBJECT (nvenc, "cannot push context");
|
|
return FALSE;
|
|
}
|
|
|
|
if (use_device_memory) {
|
|
cuda_mem = (GstCudaMemory *) gst_buffer_peek_memory (frame->buffer, 0);
|
|
}
|
|
|
|
for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (frame); i++) {
|
|
CUDA_MEMCPY2D param = { 0, };
|
|
guint dest_stride = _get_cuda_device_stride (&nvenc->input_info, i,
|
|
resource->cuda_stride);
|
|
|
|
if (use_device_memory) {
|
|
param.srcMemoryType = CU_MEMORYTYPE_DEVICE;
|
|
param.srcDevice = cuda_mem->data + cuda_mem->offset[i];
|
|
param.srcPitch = cuda_mem->stride;
|
|
} else {
|
|
param.srcMemoryType = CU_MEMORYTYPE_HOST;
|
|
param.srcHost = GST_VIDEO_FRAME_PLANE_DATA (frame, i);
|
|
param.srcPitch = GST_VIDEO_FRAME_PLANE_STRIDE (frame, i);
|
|
}
|
|
|
|
param.dstMemoryType = CU_MEMORYTYPE_DEVICE;
|
|
param.dstDevice = dst;
|
|
param.dstPitch = dest_stride;
|
|
param.WidthInBytes = _get_plane_width (info, i);
|
|
param.Height = _get_plane_height (info, i);
|
|
|
|
cuda_ret = CuMemcpy2DAsync (¶m, nvenc->cuda_stream);
|
|
if (!gst_cuda_result (cuda_ret)) {
|
|
GST_ERROR_OBJECT (nvenc, "cannot copy %dth plane, ret %d", i, cuda_ret);
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
dst += dest_stride * _get_plane_height (&nvenc->input_info, i);
|
|
}
|
|
|
|
gst_cuda_result (CuStreamSynchronize (nvenc->cuda_stream));
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
_acquire_input_buffer (GstNvBaseEnc * nvenc, GstNvEncFrameState ** input)
|
|
{
|
|
GST_LOG_OBJECT (nvenc, "acquiring input buffer..");
|
|
GST_VIDEO_ENCODER_STREAM_UNLOCK (nvenc);
|
|
*input = g_async_queue_pop (nvenc->available_queue);
|
|
GST_VIDEO_ENCODER_STREAM_LOCK (nvenc);
|
|
|
|
if (*input == SHUTDOWN_COOKIE)
|
|
return g_atomic_int_get (&nvenc->last_flow);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
_submit_input_buffer (GstNvBaseEnc * nvenc, GstVideoCodecFrame * frame,
|
|
GstVideoFrame * vframe, GstNvEncFrameState * state, void *inputBufferPtr,
|
|
NV_ENC_BUFFER_FORMAT bufferFormat)
|
|
{
|
|
GstNvBaseEncClass *nvenc_class = GST_NV_BASE_ENC_GET_CLASS (nvenc);
|
|
NV_ENC_PIC_PARAMS pic_params = { 0, };
|
|
NVENCSTATUS nv_ret;
|
|
gpointer inputBuffer, outputBufferPtr;
|
|
|
|
inputBuffer = state->in_buf;
|
|
outputBufferPtr = state->out_buf;
|
|
|
|
GST_LOG_OBJECT (nvenc, "%u: input buffer %p, output buffer %p, "
|
|
"pts %" GST_TIME_FORMAT, frame->system_frame_number, inputBuffer,
|
|
outputBufferPtr, GST_TIME_ARGS (frame->pts));
|
|
|
|
pic_params.version = gst_nvenc_get_pic_params_version ();
|
|
pic_params.inputBuffer = inputBufferPtr;
|
|
pic_params.bufferFmt = bufferFormat;
|
|
|
|
pic_params.inputWidth = GST_VIDEO_FRAME_WIDTH (vframe);
|
|
pic_params.inputHeight = GST_VIDEO_FRAME_HEIGHT (vframe);
|
|
pic_params.outputBitstream = outputBufferPtr;
|
|
pic_params.completionEvent = NULL;
|
|
if (GST_VIDEO_FRAME_IS_INTERLACED (vframe)) {
|
|
if (GST_VIDEO_FRAME_IS_TFF (vframe))
|
|
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
|
|
else
|
|
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
|
|
} else {
|
|
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
|
|
}
|
|
pic_params.inputTimeStamp = frame->pts;
|
|
pic_params.inputDuration =
|
|
GST_CLOCK_TIME_IS_VALID (frame->duration) ? frame->duration : 0;
|
|
pic_params.frameIdx = frame->system_frame_number;
|
|
|
|
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame))
|
|
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_FORCEIDR;
|
|
else
|
|
pic_params.encodePicFlags = 0;
|
|
|
|
if (nvenc_class->set_pic_params
|
|
&& !nvenc_class->set_pic_params (nvenc, frame, &pic_params)) {
|
|
GST_ERROR_OBJECT (nvenc, "Subclass failed to submit buffer");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
if (!gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, ENCODE, (NULL),
|
|
("Failed to push current context"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
nv_ret = NvEncEncodePicture (nvenc->encoder, &pic_params);
|
|
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
if (nv_ret == NV_ENC_SUCCESS) {
|
|
GST_LOG_OBJECT (nvenc, "Encoded picture");
|
|
} else if (nv_ret == NV_ENC_ERR_NEED_MORE_INPUT) {
|
|
GST_DEBUG_OBJECT (nvenc, "Encoded picture (encoder needs more input)");
|
|
} else {
|
|
GST_ERROR_OBJECT (nvenc, "Failed to encode picture: %d", nv_ret);
|
|
g_async_queue_push (nvenc->available_queue, state);
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
/* GstNvEncFrameState shouldn't be freed by DestroyNotify */
|
|
gst_video_codec_frame_set_user_data (frame, state, NULL);
|
|
g_async_queue_push (nvenc->pending_queue, state);
|
|
|
|
if (nv_ret == NV_ENC_SUCCESS) {
|
|
GstNvEncFrameState *pending_state;
|
|
gint len, i, end;
|
|
|
|
/* HACK: NvEncEncodePicture() with returning NV_ENC_SUCCESS means that
|
|
* we can pop encoded bitstream from GPU
|
|
* (via NvEncLockBitstream and copy to memory then NvEncUnlockBitstream).
|
|
* But if we try to pop every buffer from GPU when the rc-lookahead
|
|
* was enabled, NvEncLockBitstream returns error NV_ENC_ERR_INVALID_PARAM
|
|
* randomly (seemingly it's dependent on how fast the encoding thread
|
|
* dequeued the encoded picture).
|
|
* So make "pending_queue" having the number of lookahead pictures always,
|
|
* so that GPU should be able to reference the lookahead pictures.
|
|
*
|
|
* This behavior is not documented by Nvidia. The guess here is that
|
|
* the lookahead pictures are still used for rate-control by Nvidia driver
|
|
* and dequeuing the lookahead picture from GPU seems to be causing the
|
|
* problem.
|
|
*/
|
|
end = nvenc->rc_lookahead;
|
|
|
|
g_async_queue_lock (nvenc->pending_queue);
|
|
|
|
len = g_async_queue_length_unlocked (nvenc->pending_queue);
|
|
for (i = len; i > end; i--) {
|
|
pending_state = g_async_queue_pop_unlocked (nvenc->pending_queue);
|
|
g_async_queue_push (nvenc->bitstream_queue, pending_state);
|
|
}
|
|
|
|
g_async_queue_unlock (nvenc->pending_queue);
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_nv_base_enc_handle_frame (GstVideoEncoder * enc, GstVideoCodecFrame * frame)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
NVENCSTATUS nv_ret;
|
|
GstVideoFrame vframe;
|
|
GstVideoInfo *info = &nvenc->input_state->info;
|
|
GstFlowReturn flow = GST_FLOW_OK;
|
|
GstMapFlags in_map_flags = GST_MAP_READ;
|
|
GstNvEncFrameState *state = NULL;
|
|
GstNvEncInputResource *resource = NULL;
|
|
gboolean use_device_memory = FALSE;
|
|
|
|
g_assert (nvenc->encoder != NULL);
|
|
|
|
/* check last flow and if it's not OK, just return the last flow,
|
|
* non-OK flow means that encoding thread was terminated */
|
|
flow = g_atomic_int_get (&nvenc->last_flow);
|
|
if (flow != GST_FLOW_OK) {
|
|
GST_DEBUG_OBJECT (nvenc, "last flow was %s", gst_flow_get_name (flow));
|
|
/* just drop this frame */
|
|
gst_video_encoder_finish_frame (enc, frame);
|
|
|
|
return flow;
|
|
}
|
|
|
|
if (g_atomic_int_compare_and_exchange (&nvenc->reconfig, TRUE, FALSE)) {
|
|
if (!gst_nv_base_enc_set_format (enc, nvenc->input_state)) {
|
|
flow = GST_FLOW_NOT_NEGOTIATED;
|
|
goto drop;
|
|
}
|
|
|
|
/* reconfigured encode session should start from keyframe */
|
|
GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME (frame);
|
|
}
|
|
#if HAVE_NVCODEC_GST_GL
|
|
if (nvenc->mem_type == GST_NVENC_MEM_TYPE_GL)
|
|
in_map_flags |= GST_MAP_GL;
|
|
#endif
|
|
|
|
if (nvenc->mem_type == GST_NVENC_MEM_TYPE_CUDA) {
|
|
GstMemory *mem;
|
|
|
|
if ((mem = gst_buffer_peek_memory (frame->input_buffer, 0)) &&
|
|
gst_is_cuda_memory (mem)) {
|
|
GstCudaMemory *cmem = GST_CUDA_MEMORY_CAST (mem);
|
|
|
|
if (cmem->context == nvenc->cuda_ctx ||
|
|
gst_cuda_context_get_handle (cmem->context) ==
|
|
gst_cuda_context_get_handle (nvenc->cuda_ctx) ||
|
|
(gst_cuda_context_can_access_peer (cmem->context, nvenc->cuda_ctx) &&
|
|
gst_cuda_context_can_access_peer (nvenc->cuda_ctx,
|
|
cmem->context))) {
|
|
use_device_memory = TRUE;
|
|
in_map_flags |= GST_MAP_CUDA;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!gst_video_frame_map (&vframe, info, frame->input_buffer, in_map_flags)) {
|
|
goto drop;
|
|
}
|
|
|
|
/* make sure our thread that waits for output to be ready is started */
|
|
if (nvenc->bitstream_thread == NULL) {
|
|
if (!gst_nv_base_enc_start_bitstream_thread (nvenc)) {
|
|
gst_video_frame_unmap (&vframe);
|
|
goto unmap_and_drop;
|
|
}
|
|
}
|
|
|
|
flow = _acquire_input_buffer (nvenc, &state);
|
|
if (flow != GST_FLOW_OK || state == SHUTDOWN_COOKIE || !state)
|
|
goto unmap_and_drop;
|
|
|
|
resource = state->in_buf;
|
|
|
|
#if HAVE_NVCODEC_GST_GL
|
|
if (nvenc->mem_type == GST_NVENC_MEM_TYPE_GL) {
|
|
GstGLMemory *gl_mem;
|
|
GstNvEncGLMapData data;
|
|
|
|
gl_mem = (GstGLMemory *) gst_buffer_peek_memory (frame->input_buffer, 0);
|
|
g_assert (gst_is_gl_memory ((GstMemory *) gl_mem));
|
|
|
|
data.nvenc = nvenc;
|
|
data.buffer = frame->input_buffer;
|
|
data.info = &vframe.info;
|
|
data.resource = resource;
|
|
|
|
gst_gl_context_thread_add (gl_mem->mem.context,
|
|
(GstGLContextThreadFunc) _map_gl_input_buffer, &data);
|
|
if (!data.ret) {
|
|
flow = GST_FLOW_ERROR;
|
|
goto unmap_and_drop;
|
|
}
|
|
} else
|
|
#endif
|
|
if (!gst_nv_base_enc_upload_frame (nvenc,
|
|
&vframe, resource, use_device_memory)) {
|
|
flow = GST_FLOW_ERROR;
|
|
goto unmap_and_drop;
|
|
}
|
|
|
|
resource->nv_mapped_resource.version =
|
|
gst_nvenc_get_map_input_resource_version ();
|
|
resource->nv_mapped_resource.registeredResource =
|
|
resource->nv_resource.registeredResource;
|
|
|
|
if (!gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
GST_ELEMENT_ERROR (nvenc, LIBRARY, ENCODE, (NULL),
|
|
("Failed to push current context"));
|
|
flow = GST_FLOW_ERROR;
|
|
goto unmap_and_drop;
|
|
}
|
|
|
|
nv_ret =
|
|
NvEncMapInputResource (nvenc->encoder, &resource->nv_mapped_resource);
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_ERROR_OBJECT (nvenc, "Failed to map input resource %p, ret %d",
|
|
resource, nv_ret);
|
|
flow = GST_FLOW_ERROR;
|
|
goto unmap_and_drop;
|
|
}
|
|
|
|
resource->mapped = TRUE;
|
|
|
|
flow =
|
|
_submit_input_buffer (nvenc, frame, &vframe, state,
|
|
resource->nv_mapped_resource.mappedResource,
|
|
resource->nv_mapped_resource.mappedBufferFmt);
|
|
|
|
if (flow != GST_FLOW_OK) {
|
|
GST_DEBUG_OBJECT (nvenc, "return state to pool");
|
|
g_async_queue_push (nvenc->available_queue, state);
|
|
goto unmap_and_drop;
|
|
}
|
|
|
|
flow = g_atomic_int_get (&nvenc->last_flow);
|
|
|
|
gst_video_frame_unmap (&vframe);
|
|
/* encoder will keep frame in list internally, we'll look it up again later
|
|
* in the thread where we get the output buffers and finish it there */
|
|
gst_video_codec_frame_unref (frame);
|
|
|
|
return flow;
|
|
|
|
/* ERRORS */
|
|
unmap_and_drop:
|
|
{
|
|
gst_video_frame_unmap (&vframe);
|
|
goto drop;
|
|
}
|
|
drop:
|
|
{
|
|
gst_video_encoder_finish_frame (enc, frame);
|
|
return flow;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_base_enc_drain_encoder (GstNvBaseEnc * nvenc)
|
|
{
|
|
NV_ENC_PIC_PARAMS pic_params = { 0, };
|
|
NVENCSTATUS nv_ret;
|
|
gboolean ret = TRUE;
|
|
|
|
GST_INFO_OBJECT (nvenc, "draining encoder");
|
|
|
|
if (nvenc->input_state == NULL) {
|
|
GST_DEBUG_OBJECT (nvenc, "no input state, nothing to do");
|
|
return TRUE;
|
|
}
|
|
|
|
if (!nvenc->encoder) {
|
|
GST_DEBUG_OBJECT (nvenc, "no configured encode session");
|
|
return TRUE;
|
|
}
|
|
|
|
pic_params.version = gst_nvenc_get_pic_params_version ();
|
|
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
|
|
|
|
if (!gst_cuda_context_push (nvenc->cuda_ctx)) {
|
|
GST_ERROR_OBJECT (nvenc, "Could not push context");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
nv_ret = NvEncEncodePicture (nvenc->encoder, &pic_params);
|
|
|
|
if (nv_ret != NV_ENC_SUCCESS) {
|
|
GST_LOG_OBJECT (nvenc, "Failed to drain encoder, ret %d", nv_ret);
|
|
|
|
ret = FALSE;
|
|
} else {
|
|
GstNvEncFrameState *pending_state;
|
|
|
|
g_async_queue_lock (nvenc->pending_queue);
|
|
while ((pending_state =
|
|
g_async_queue_try_pop_unlocked (nvenc->pending_queue))) {
|
|
g_async_queue_push (nvenc->bitstream_queue, pending_state);
|
|
}
|
|
g_async_queue_unlock (nvenc->pending_queue);
|
|
}
|
|
|
|
gst_cuda_context_pop (NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_nv_base_enc_finish (GstVideoEncoder * enc)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
|
|
gst_nv_base_enc_stop_bitstream_thread (nvenc, FALSE);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
#if 0
|
|
static gboolean
|
|
gst_nv_base_enc_flush (GstVideoEncoder * enc)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (enc);
|
|
GST_INFO_OBJECT (nvenc, "done flushing encoder");
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
void
|
|
gst_nv_base_enc_schedule_reconfig (GstNvBaseEnc * nvenc)
|
|
{
|
|
g_atomic_int_set (&nvenc->reconfig, TRUE);
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (object);
|
|
GstNvBaseEncClass *klass = GST_NV_BASE_ENC_GET_CLASS (nvenc);
|
|
gboolean reconfig = TRUE;
|
|
|
|
switch (prop_id) {
|
|
case PROP_PRESET:
|
|
nvenc->preset_enum = g_value_get_enum (value);
|
|
nvenc->selected_preset = _nv_preset_to_guid (nvenc->preset_enum);
|
|
gst_nv_base_enc_schedule_reconfig (nvenc);
|
|
break;
|
|
case PROP_RC_MODE:
|
|
{
|
|
GstNvRCMode rc_mode = g_value_get_enum (value);
|
|
NV_ENC_PARAMS_RC_MODE nv_rc_mode = _rc_mode_to_nv (rc_mode);
|
|
|
|
if ((klass->device_caps.rc_modes & nv_rc_mode) == nv_rc_mode) {
|
|
nvenc->rate_control_mode = rc_mode;
|
|
} else {
|
|
GST_WARNING_OBJECT (nvenc,
|
|
"device does not support requested rate control mode %d", rc_mode);
|
|
reconfig = FALSE;
|
|
}
|
|
break;
|
|
}
|
|
case PROP_QP_MIN:
|
|
nvenc->qp_min = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_MAX:
|
|
nvenc->qp_max = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_CONST:
|
|
nvenc->qp_const = g_value_get_int (value);
|
|
break;
|
|
case PROP_BITRATE:
|
|
nvenc->bitrate = g_value_get_uint (value);
|
|
break;
|
|
case PROP_GOP_SIZE:
|
|
nvenc->gop_size = g_value_get_int (value);
|
|
break;
|
|
case PROP_MAX_BITRATE:
|
|
nvenc->max_bitrate = g_value_get_uint (value);
|
|
break;
|
|
case PROP_SPATIAL_AQ:
|
|
nvenc->spatial_aq = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_AQ_STRENGTH:
|
|
nvenc->aq_strength = g_value_get_uint (value);
|
|
break;
|
|
case PROP_NON_REF_P:
|
|
nvenc->non_refp = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_ZEROLATENCY:
|
|
nvenc->zerolatency = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_STRICT_GOP:
|
|
nvenc->strict_gop = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_CONST_QUALITY:
|
|
nvenc->const_quality = g_value_get_double (value);
|
|
break;
|
|
case PROP_I_ADAPT:
|
|
nvenc->i_adapt = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_QP_MIN_I:
|
|
nvenc->qp_min_detail.qp_i = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_MIN_P:
|
|
nvenc->qp_min_detail.qp_p = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_MIN_B:
|
|
nvenc->qp_min_detail.qp_b = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_MAX_I:
|
|
nvenc->qp_max_detail.qp_i = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_MAX_P:
|
|
nvenc->qp_max_detail.qp_p = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_MAX_B:
|
|
nvenc->qp_max_detail.qp_b = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_CONST_I:
|
|
nvenc->qp_const_detail.qp_i = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_CONST_P:
|
|
nvenc->qp_const_detail.qp_p = g_value_get_int (value);
|
|
break;
|
|
case PROP_QP_CONST_B:
|
|
nvenc->qp_const_detail.qp_b = g_value_get_int (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
reconfig = FALSE;
|
|
break;
|
|
}
|
|
|
|
if (reconfig)
|
|
gst_nv_base_enc_schedule_reconfig (nvenc);
|
|
}
|
|
|
|
static void
|
|
gst_nv_base_enc_get_property (GObject * object, guint prop_id, GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstNvBaseEnc *nvenc = GST_NV_BASE_ENC (object);
|
|
GstNvBaseEncClass *nvenc_class = GST_NV_BASE_ENC_GET_CLASS (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_DEVICE_ID:
|
|
g_value_set_uint (value, nvenc_class->cuda_device_id);
|
|
break;
|
|
case PROP_PRESET:
|
|
g_value_set_enum (value, nvenc->preset_enum);
|
|
break;
|
|
case PROP_RC_MODE:
|
|
g_value_set_enum (value, nvenc->rate_control_mode);
|
|
break;
|
|
case PROP_QP_MIN:
|
|
g_value_set_int (value, nvenc->qp_min);
|
|
break;
|
|
case PROP_QP_MAX:
|
|
g_value_set_int (value, nvenc->qp_max);
|
|
break;
|
|
case PROP_QP_CONST:
|
|
g_value_set_int (value, nvenc->qp_const);
|
|
break;
|
|
case PROP_BITRATE:
|
|
g_value_set_uint (value, nvenc->bitrate);
|
|
break;
|
|
case PROP_GOP_SIZE:
|
|
g_value_set_int (value, nvenc->gop_size);
|
|
break;
|
|
case PROP_MAX_BITRATE:
|
|
g_value_set_uint (value, nvenc->max_bitrate);
|
|
break;
|
|
case PROP_SPATIAL_AQ:
|
|
g_value_set_boolean (value, nvenc->spatial_aq);
|
|
break;
|
|
case PROP_AQ_STRENGTH:
|
|
g_value_set_uint (value, nvenc->aq_strength);
|
|
break;
|
|
case PROP_NON_REF_P:
|
|
g_value_set_boolean (value, nvenc->non_refp);
|
|
break;
|
|
case PROP_ZEROLATENCY:
|
|
g_value_set_boolean (value, nvenc->zerolatency);
|
|
break;
|
|
case PROP_STRICT_GOP:
|
|
g_value_set_boolean (value, nvenc->strict_gop);
|
|
break;
|
|
case PROP_CONST_QUALITY:
|
|
g_value_set_double (value, nvenc->const_quality);
|
|
break;
|
|
case PROP_I_ADAPT:
|
|
g_value_set_boolean (value, nvenc->i_adapt);
|
|
break;
|
|
case PROP_QP_MIN_I:
|
|
g_value_set_int (value, nvenc->qp_min_detail.qp_i);
|
|
break;
|
|
case PROP_QP_MIN_P:
|
|
g_value_set_int (value, nvenc->qp_min_detail.qp_p);
|
|
break;
|
|
case PROP_QP_MIN_B:
|
|
g_value_set_int (value, nvenc->qp_min_detail.qp_b);
|
|
break;
|
|
case PROP_QP_MAX_I:
|
|
g_value_set_int (value, nvenc->qp_max_detail.qp_i);
|
|
break;
|
|
case PROP_QP_MAX_P:
|
|
g_value_set_int (value, nvenc->qp_max_detail.qp_p);
|
|
break;
|
|
case PROP_QP_MAX_B:
|
|
g_value_set_int (value, nvenc->qp_max_detail.qp_b);
|
|
break;
|
|
case PROP_QP_CONST_I:
|
|
g_value_set_int (value, nvenc->qp_const_detail.qp_i);
|
|
break;
|
|
case PROP_QP_CONST_P:
|
|
g_value_set_int (value, nvenc->qp_const_detail.qp_p);
|
|
break;
|
|
case PROP_QP_CONST_B:
|
|
g_value_set_int (value, nvenc->qp_const_detail.qp_b);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
guint cuda_device_id;
|
|
GstNvEncDeviceCaps device_caps;
|
|
} GstNvEncClassData;
|
|
|
|
static void
|
|
gst_nv_base_enc_subclass_init (gpointer g_class, gpointer data)
|
|
{
|
|
GstNvBaseEncClass *nvbaseenc_class = GST_NV_BASE_ENC_CLASS (g_class);
|
|
GstNvEncClassData *cdata = (GstNvEncClassData *) data;
|
|
|
|
nvbaseenc_class->cuda_device_id = cdata->cuda_device_id;
|
|
nvbaseenc_class->device_caps = cdata->device_caps;
|
|
|
|
g_free (cdata);
|
|
}
|
|
|
|
GType
|
|
gst_nv_base_enc_register (const char *codec, guint device_id,
|
|
GstNvEncDeviceCaps * device_caps)
|
|
{
|
|
GTypeQuery type_query;
|
|
GTypeInfo type_info = { 0, };
|
|
GType subtype;
|
|
gchar *type_name;
|
|
GstNvEncClassData *cdata;
|
|
|
|
type_name = g_strdup_printf ("GstNvDevice%d%sEnc", device_id, codec);
|
|
subtype = g_type_from_name (type_name);
|
|
|
|
/* has already registered nvdeviceenc class */
|
|
if (subtype)
|
|
goto done;
|
|
|
|
cdata = g_new0 (GstNvEncClassData, 1);
|
|
cdata->cuda_device_id = device_id;
|
|
cdata->device_caps = *device_caps;
|
|
|
|
g_type_query (GST_TYPE_NV_BASE_ENC, &type_query);
|
|
memset (&type_info, 0, sizeof (type_info));
|
|
type_info.class_size = type_query.class_size;
|
|
type_info.instance_size = type_query.instance_size;
|
|
type_info.class_init = (GClassInitFunc) gst_nv_base_enc_subclass_init;
|
|
type_info.class_data = cdata;
|
|
|
|
subtype = g_type_register_static (GST_TYPE_NV_BASE_ENC,
|
|
type_name, &type_info, 0);
|
|
|
|
gst_type_mark_as_plugin_api (subtype, 0);
|
|
|
|
done:
|
|
g_free (type_name);
|
|
return subtype;
|
|
}
|