lavc: do not use av_pix_fmt_descriptors directly.
[libav.git] / libavfilter / filtfmts.c
CommitLineData
e34d5db5
SS
1/*
2 * Copyright (c) 2009 Stefano Sabatini
3 *
2912e87a 4 * This file is part of Libav.
e34d5db5 5 *
2912e87a 6 * Libav is free software; you can redistribute it and/or
e34d5db5
SS
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 *
2912e87a 11 * Libav is distributed in the hope that it will be useful,
e34d5db5
SS
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
2912e87a 17 * License along with Libav; if not, write to the Free Software
e34d5db5
SS
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
7c29377b
MR
21#include <stdio.h>
22
e34d5db5
SS
23#include "libavformat/avformat.h"
24#include "libavutil/pixdesc.h"
25#include "libavfilter/avfilter.h"
43c7a01e 26#include "libavfilter/formats.h"
e34d5db5 27
7c29377b
MR
28#undef fprintf
29#undef printf
30
e34d5db5
SS
31int main(int argc, char **argv)
32{
33 AVFilter *filter;
34 AVFilterContext *filter_ctx;
35 const char *filter_name;
36 const char *filter_args = NULL;
37 int i, j;
38
39 av_log_set_level(AV_LOG_DEBUG);
40
41 if (!argv[1]) {
42 fprintf(stderr, "Missing filter name as argument\n");
43 return 1;
44 }
45
46 filter_name = argv[1];
47 if (argv[2])
48 filter_args = argv[2];
49
50 avfilter_register_all();
51
52 /* get a corresponding filter and open it */
53 if (!(filter = avfilter_get_by_name(filter_name))) {
54 fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
55 return 1;
56 }
57
84c03869 58 if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
ffae713a 59 fprintf(stderr, "Impossible to open filter with name '%s'\n",
4e81b5f5 60 filter_name);
e34d5db5
SS
61 return 1;
62 }
63 if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
4e81b5f5
DB
64 fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
65 filter_name, filter_args);
e34d5db5
SS
66 return 1;
67 }
68
69 /* create a link for each of the input pads */
70 for (i = 0; i < filter_ctx->input_count; i++) {
c61f84bf
MR
71 AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
72 link->type = filter_ctx->filter->inputs[i].type;
e34d5db5
SS
73 filter_ctx->inputs[i] = link;
74 }
75 for (i = 0; i < filter_ctx->output_count; i++) {
c61f84bf 76 AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
a8542e43 77 link->type = filter_ctx->filter->outputs[i].type;
e34d5db5
SS
78 filter_ctx->outputs[i] = link;
79 }
80
81 if (filter->query_formats)
82 filter->query_formats(filter_ctx);
83 else
43c7a01e 84 ff_default_query_formats(filter_ctx);
e34d5db5
SS
85
86 /* print the supported formats in input */
87 for (i = 0; i < filter_ctx->input_count; i++) {
88 AVFilterFormats *fmts = filter_ctx->inputs[i]->out_formats;
e34d5db5 89 for (j = 0; j < fmts->format_count; j++)
27971664
MR
90 printf("INPUT[%d] %s: %s\n",
91 i, filter_ctx->filter->inputs[i].name,
92 av_pix_fmt_descriptors[fmts->formats[j]].name);
e34d5db5
SS
93 }
94
95 /* print the supported formats in output */
96 for (i = 0; i < filter_ctx->output_count; i++) {
97 AVFilterFormats *fmts = filter_ctx->outputs[i]->in_formats;
e34d5db5 98 for (j = 0; j < fmts->format_count; j++)
27971664
MR
99 printf("OUTPUT[%d] %s: %s\n",
100 i, filter_ctx->filter->outputs[i].name,
101 av_pix_fmt_descriptors[fmts->formats[j]].name);
e34d5db5
SS
102 }
103
24de0edb 104 avfilter_free(filter_ctx);
e34d5db5
SS
105 fflush(stdout);
106 return 0;
107}