summaryrefslogtreecommitdiff
path: root/gst-libs/gst/vaapi/gstvaapidecoder.h
blob: deeb6926720b4e4caa7de890cd2d5dd3663de65a (plain)
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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
 *  gstvaapidecoder.h - VA decoder abstraction
 *
 *  Copyright (C) 2010-2011 Splitted-Desktop Systems
 *  Copyright (C) 2011 Intel Corporation
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1
 *  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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301 USA
 */

#ifndef GST_VAAPI_DECODER_H
#define GST_VAAPI_DECODER_H

#include <gst/gstbuffer.h>
#include <gst/vaapi/gstvaapicontext.h>
#include <gst/vaapi/gstvaapisurfaceproxy.h>

G_BEGIN_DECLS

#define GST_VAAPI_TYPE_DECODER \
    (gst_vaapi_decoder_get_type())

#define GST_VAAPI_DECODER(obj)                          \
    (G_TYPE_CHECK_INSTANCE_CAST((obj),                  \
                                GST_VAAPI_TYPE_DECODER, \
                                GstVaapiDecoder))

#define GST_VAAPI_DECODER_CLASS(klass)                  \
    (G_TYPE_CHECK_CLASS_CAST((klass),                   \
                             GST_VAAPI_TYPE_DECODER,    \
                             GstVaapiDecoderClass))

#define GST_VAAPI_IS_DECODER(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DECODER))

#define GST_VAAPI_IS_DECODER_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DECODER))

#define GST_VAAPI_DECODER_GET_CLASS(obj)                \
    (G_TYPE_INSTANCE_GET_CLASS((obj),                   \
                               GST_VAAPI_TYPE_DECODER,  \
                               GstVaapiDecoderClass))

typedef struct _GstVaapiDecoder                 GstVaapiDecoder;
typedef struct _GstVaapiDecoderPrivate          GstVaapiDecoderPrivate;
typedef struct _GstVaapiDecoderClass            GstVaapiDecoderClass;

/**
 * GstVaapiDecoderStatus:
 * @GST_VAAPI_DECODER_STATUS_SUCCESS: Success.
 * @GST_VAAPI_DECODER_STATUS_END_OF_STREAM: End-Of-Stream.
 * @GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED: No memory left.
 * @GST_VAAPI_DECODER_STATUS_ERROR_INIT_FAILED: Decoder initialization failure.
 * @GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CODEC: Unsupported codec.
 * @GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA: Not enough input data to decode.
 * @GST_VAAPI_DECODER_STATUS_ERROR_NO_SURFACE: No surface left to hold the decoded picture.
 * @GST_VAAPI_DECODER_STATUS_ERROR_INVALID_SURFACE: Invalid surface.
 * @GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER: Invalid or unsupported bitstream data.
 * @GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE: Unsupported codec profile.
 * @GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT: Unsupported chroma format.
 * @GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN: Unknown error.
 *
 * Decoder status for gst_vaapi_decoder_get_surface().
 */
typedef enum {
    GST_VAAPI_DECODER_STATUS_SUCCESS = 0,
    GST_VAAPI_DECODER_STATUS_END_OF_STREAM,
    GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED,
    GST_VAAPI_DECODER_STATUS_ERROR_INIT_FAILED,
    GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CODEC,
    GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA,
    GST_VAAPI_DECODER_STATUS_ERROR_NO_SURFACE,
    GST_VAAPI_DECODER_STATUS_ERROR_INVALID_SURFACE,
    GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER,
    GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE,
    GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT,
    GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN = -1
} GstVaapiDecoderStatus;

/**
 * GstVaapiDecoder:
 *
 * A VA decoder base instance.
 */
struct _GstVaapiDecoder {
    /*< private >*/
    GObject parent_instance;

    GstVaapiDecoderPrivate *priv;
};

/**
 * GstVaapiDecoderClass:
 *
 * A VA decoder base class.
 */
struct _GstVaapiDecoderClass {
    /*< private >*/
    GObjectClass parent_class;

    GstVaapiDecoderStatus (*decode)(GstVaapiDecoder *decoder, GstBuffer *buffer);
};

GType
gst_vaapi_decoder_get_type(void) G_GNUC_CONST;

GstCaps *
gst_vaapi_decoder_get_caps(GstVaapiDecoder *decoder);

gboolean
gst_vaapi_decoder_put_buffer(GstVaapiDecoder *decoder, GstBuffer *buf);

GstVaapiSurfaceProxy *
gst_vaapi_decoder_get_surface(
    GstVaapiDecoder       *decoder,
    GstVaapiDecoderStatus *pstatus
);

G_END_DECLS

#endif /* GST_VAAPI_DECODER_H */