formats.h
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1 /*
2  * This file is part of Libav.
3  *
4  * Libav is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * Libav is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with Libav; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVFILTER_FORMATS_H
20 #define AVFILTER_FORMATS_H
21 
22 #include "avfilter.h"
23 
65  unsigned format_count;
66  int *formats;
67 
68  unsigned refcount;
69  struct AVFilterFormats ***refs;
70 };
71 
72 typedef struct AVFilterChannelLayouts {
73  uint64_t *channel_layouts;
75 
76  unsigned refcount;
79 
92 
99 
108  AVFilterFormats *samplerates);
109 
116 
117 int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout);
118 
123  AVFilterChannelLayouts **ref);
124 
129 
131  AVFilterChannelLayouts **newref);
132 
134 
135 
143 AVFilterFormats *ff_make_format_list(const int *fmts);
144 
153 int ff_add_format(AVFilterFormats **avff, int fmt);
154 
159 
164 
174 
188 
205 
219 void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref);
220 
221 #endif /* AVFILTER_FORMATS_H */