1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/* 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 "gstcudautils.h"
#include "gstcuvidloader.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 _GstNvDecoderFrame
{
/* CUVIDPICPARAMS::CurrPicIdx */
gint index;
guintptr devptr;
guint pitch;
gboolean mapped;
/*< private >*/
GstNvDecoder *decoder;
gint ref_count;
} GstNvDecoderFrame;
GstNvDecoder * gst_nv_decoder_new (GstCudaContext * context);
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 pool_size);
GstNvDecoderFrame * gst_nv_decoder_new_frame (GstNvDecoder * decoder);
GstNvDecoderFrame * gst_nv_decoder_frame_ref (GstNvDecoderFrame * frame);
void gst_nv_decoder_frame_unref (GstNvDecoderFrame * frame);
gboolean gst_nv_decoder_decode_picture (GstNvDecoder * decoder,
CUVIDPICPARAMS * params);
gboolean gst_nv_decoder_finish_frame (GstNvDecoder * decoder,
GstVideoDecoder * videodec,
GstNvDecoderFrame *frame,
GstBuffer ** buffer);
/* utils for class registration */
gboolean gst_nv_decoder_check_device_caps (CUcontext cuda_ctx,
cudaVideoCodec codec,
GstCaps **sink_template,
GstCaps **src_template);
const gchar * gst_cuda_video_codec_to_string (cudaVideoCodec codec);
/* helper methods */
gboolean gst_nv_decoder_handle_set_context (GstNvDecoder * decoder,
GstElement * videodec,
GstContext * context);
gboolean gst_nv_decoder_handle_context_query (GstNvDecoder * decoder,
GstVideoDecoder * videodec,
GstQuery * query);
gboolean gst_nv_decoder_negotiate (GstNvDecoder * decoder,
GstVideoDecoder * videodec,
GstVideoCodecState * input_state,
GstVideoCodecState ** output_state);
gboolean gst_nv_decoder_decide_allocation (GstNvDecoder * decoder,
GstVideoDecoder * videodec,
GstQuery * query);
G_END_DECLS
#endif /* __GST_NV_DECODER_H__ */
|
