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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-16 03:18:29 +00:00
b4efdeba11
Too many decode surface would waste GPU memory. Also it seems to be introducing additional latency depending on stream. Since nvcodec sdk version 9.0, CUVID parser API has been providing the minimum required number of surface. By using it, we can save GPU memory and reduce possible latency.
121 lines
3.9 KiB
C
121 lines
3.9 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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#ifndef __GST_NVENC_H_INCLUDED__
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#define __GST_NVENC_H_INCLUDED__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstcudaloader.h"
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#include "nvEncodeAPI.h"
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G_GNUC_INTERNAL
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gboolean gst_nvenc_cmp_guid (GUID g1, GUID g2);
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G_GNUC_INTERNAL
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NV_ENC_BUFFER_FORMAT gst_nvenc_get_nv_buffer_format (GstVideoFormat fmt);
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G_GNUC_INTERNAL
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gboolean gst_nvenc_get_supported_input_formats (gpointer encoder,
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GUID codec_id,
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GValue ** formats);
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G_GNUC_INTERNAL
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GValue * gst_nvenc_get_interlace_modes (gpointer enc,
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GUID codec_id);
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G_GNUC_INTERNAL
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GValue * gst_nvenc_get_supported_codec_profiles (gpointer enc,
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GUID codec_id);
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G_GNUC_INTERNAL
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void gst_nvenc_plugin_init (GstPlugin * plugin,
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guint device_index,
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CUcontext cuda_ctx);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_api_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_caps_param_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_encode_out_params_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_create_input_buffer_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_create_bitstream_buffer_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_create_mv_buffer_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_rc_params_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_config_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_initialize_params_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_reconfigure_params_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_preset_config_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_pic_params_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_meonly_params_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_lock_bitstream_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_lock_input_buffer_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_map_input_resource_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_registure_resource_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_stat_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_sequence_param_payload_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_event_params_version (void);
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G_GNUC_INTERNAL
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guint32 gst_nvenc_get_open_encode_session_ex_params_version (void);
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G_GNUC_INTERNAL
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gboolean gst_nvenc_load_library (guint * api_major_ver,
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guint * api_minor_ver);
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#endif /* __GST_NVENC_H_INCLUDED__ */
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