FFmpeg
formats.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2007 Bobby Bingham
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavfilter/formats.c"
22 
23 #undef printf
24 
25 int main(void)
26 {
27  const int64_t *cl;
28  char buf[512];
29  int i;
30  const char *teststrings[] ={
31  "blah",
32  "1",
33  "2",
34  "-1",
35  "60",
36  "65",
37  "1c",
38  "2c",
39  "-1c",
40  "60c",
41  "65c",
42  "2C",
43  "60C",
44  "65C",
45  "5.1",
46  "stereo",
47  "1+1+1+1",
48  "1c+1c+1c+1c",
49  "2c+1c",
50  "0x3",
51  };
52 
53  for (cl = avfilter_all_channel_layouts; *cl != -1; cl++) {
54  av_get_channel_layout_string(buf, sizeof(buf), -1, *cl);
55  printf("%s\n", buf);
56  }
57 
58  for ( i = 0; i<FF_ARRAY_ELEMS(teststrings); i++) {
59  int64_t layout = -1;
60  int count = -1;
61  int ret;
62  ret = ff_parse_channel_layout(&layout, &count, teststrings[i], NULL);
63 
64  printf ("%d = ff_parse_channel_layout(%016"PRIX64", %2d, %s);\n", ret ? -1 : 0, layout, count, teststrings[i]);
65  }
66 
67  return 0;
68 }
#define NULL
Definition: coverity.c:32
const int64_t avfilter_all_channel_layouts[]
Definition: formats.c:371
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
int ff_parse_channel_layout(int64_t *ret, int *nret, const char *arg, void *log_ctx)
Parse a channel layout or a corresponding integer representation.
Definition: formats.c:663
GLsizei count
Definition: opengl_enc.c:108
#define FF_ARRAY_ELEMS(a)
void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout)
Return a description of a channel layout.
void * buf
Definition: avisynth_c.h:766
int main(void)
Definition: formats.c:25
printf("static const uint8_t my_array[100] = {\n")
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel layout