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/* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_NV_DECODER_H__
#define __GST_NV_DECODER_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/cuda/gstcuda.h>
#include <gst/codecs/gstcodecpicture.h>
#include "gstcuvidloader.h"
#include "gstnvdecobject.h"
G_BEGIN_DECLS
#define GST_TYPE_NV_DECODER (gst_nv_decoder_get_type())
G_DECLARE_FINAL_TYPE (GstNvDecoder,
gst_nv_decoder, GST, NV_DECODER, GstObject);
typedef struct _GstNvDecoderClassData
{
GstCaps *sink_caps;
GstCaps *src_caps;
guint cuda_device_id;
gint64 adapter_luid;
guint max_width;
guint max_height;
} GstNvDecoderClassData;
GstNvDecoder * gst_nv_decoder_new (guint device_id,
gint64 adapter_luid);
gboolean gst_nv_decoder_open (GstNvDecoder * decoder,
GstElement * element);
gboolean gst_nv_decoder_close (GstNvDecoder * decoder);
gboolean gst_nv_decoder_is_configured (GstNvDecoder * decoder);
gboolean gst_nv_decoder_configure (GstNvDecoder * decoder,
cudaVideoCodec codec,
GstVideoInfo * info,
gint coded_width,
gint coded_height,
guint coded_bitdepth,
guint pool_size,
gboolean alloc_aux_frame,
guint num_output_surfaces,
guint init_max_width,
guint init_max_height);
GstFlowReturn gst_nv_decoder_new_picture (GstNvDecoder * decoder,
GstCodecPicture * picture);
gboolean gst_nv_decoder_decode (GstNvDecoder * decoder,
CUVIDPICPARAMS * params);
GstFlowReturn gst_nv_decoder_output_picture (GstNvDecoder * decoder,
GstVideoDecoder * videodec,
GstVideoCodecFrame * frame,
GstCodecPicture * picture,
guint buffer_flags);
void gst_nv_decoder_set_flushing (GstNvDecoder * decoder,
gboolean flushing);
void gst_nv_decoder_reset (GstNvDecoder * decoder);
/* utils for class registration */
gboolean gst_nv_decoder_check_device_caps (GstCudaContext * context,
cudaVideoCodec codec,
GstCaps **sink_template,
GstCaps **src_template);
const gchar * gst_cuda_video_codec_to_string (cudaVideoCodec codec);
/* helper methods */
void gst_nv_decoder_handle_set_context (GstNvDecoder * decoder,
GstElement * element,
GstContext * context);
gboolean gst_nv_decoder_handle_query (GstNvDecoder * decoder,
GstElement * element,
GstQuery * query);
gboolean gst_nv_decoder_negotiate (GstNvDecoder * decoder,
GstVideoDecoder * videodec,
GstVideoCodecState * input_state);
gboolean gst_nv_decoder_decide_allocation (GstNvDecoder * decoder,
GstVideoDecoder * videodec,
GstQuery * query);
guint gst_nv_decoder_get_max_output_size (guint coded_size,
guint user_requested,
guint device_max);
G_END_DECLS
#endif /* __GST_NV_DECODER_H__ */
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