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
|
/*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_AVCODEC_H
#define AVFILTER_AVCODEC_H
/**
* @file
* libavcodec/libavfilter gluing utilities
*
* This should be included in an application ONLY if the installed
* libavfilter has been compiled with libavcodec support, otherwise
* symbols defined below will not be available.
*/
#include "libavcodec/avcodec.h" // AVFrame
#include "avfilter.h"
/**
* Copy the frame properties of src to dst, without copying the actual
* image data.
*
* @return 0 on success, a negative number on error.
*/
int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
/**
* Copy the frame properties and data pointers of src to dst, without copying
* the actual data.
*
* @return 0 on success, a negative number on error.
*/
int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src);
/**
* Create and return a picref reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
*/
AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms);
/**
* Create and return a picref reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
*/
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
int perms);
/**
* Create and return a buffer reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
*/
AVFilterBufferRef *avfilter_get_buffer_ref_from_frame(enum AVMediaType type,
const AVFrame *frame,
int perms);
#ifdef FF_API_FILL_FRAME
/**
* Fill an AVFrame with the information stored in samplesref.
*
* @param frame an already allocated AVFrame
* @param samplesref an audio buffer reference
* @return 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *samplesref);
/**
* Fill an AVFrame with the information stored in picref.
*
* @param frame an already allocated AVFrame
* @param picref a video buffer reference
* @return 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *picref);
/**
* Fill an AVFrame with information stored in ref.
*
* @param frame an already allocated AVFrame
* @param ref a video or audio buffer reference
* @return 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *ref);
#endif
/**
* Add frame data to buffer_src.
*
* @param buffer_src pointer to a buffer source context
* @param frame a frame, or NULL to mark EOF
* @param flags a combination of AV_BUFFERSRC_FLAG_*
* @return >= 0 in case of success, a negative AVERROR code
* in case of failure
*/
int av_buffersrc_add_frame(AVFilterContext *buffer_src,
const AVFrame *frame, int flags);
#endif /* AVFILTER_AVCODEC_H */
|
