1 /*
2 * Copyright (c) 2009 Stefano Sabatini
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 <stdio.h>
22
28
30 {
31 int i, j;
32
33 #define PRINT_FMTS(inout, outin, INOUT) \
34 for (i = 0; i < filter_ctx->inout##put_count; i++) { \
35 if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_VIDEO) { \
36 AVFilterFormats *fmts = \
37 filter_ctx->inout##puts[i]->outin##_formats; \
38 for (j = 0; j < fmts->nb_formats; j++) \
39 if(av_get_pix_fmt_name(fmts->formats[j])) \
40 printf(#INOUT "PUT[%d] %s: fmt:%s\n", \
41 i, filter_ctx->filter->inout##puts[i].name, \
42 av_get_pix_fmt_name(fmts->formats[j])); \
43 } else if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_AUDIO) { \
44 AVFilterFormats *fmts; \
45 AVFilterChannelLayouts *layouts; \
46 \
47 fmts = filter_ctx->inout##puts[i]->outin##_formats; \
48 for (j = 0; j < fmts->nb_formats; j++) \
49 printf(#INOUT "PUT[%d] %s: fmt:%s\n", \
50 i, filter_ctx->filter->inout##puts[i].name, \
51 av_get_sample_fmt_name(fmts->formats[j])); \
52 \
53 layouts = filter_ctx->inout##puts[i]->outin##_channel_layouts; \
54 for (j = 0; j < layouts->nb_channel_layouts; j++) { \
55 char buf[256]; \
56 av_get_channel_layout_string(buf, sizeof(buf), -1, \
57 layouts->channel_layouts[j]); \
58 printf(#INOUT "PUT[%d] %s: chlayout:%s\n", \
59 i, filter_ctx->filter->inout##puts[i].name, buf); \
60 } \
61 } \
62 } \
63
66 }
67
68 int main(
int argc,
char **argv)
69 {
72 const char *filter_name;
73 const char *filter_args = NULL;
74 int i;
75
77
78 if (argc < 2) {
79 fprintf(stderr, "Missing filter name as argument\n");
80 return 1;
81 }
82
83 filter_name = argv[1];
84 if (argc > 2)
85 filter_args = argv[2];
86
88
89 /* get a corresponding filter and open it */
91 fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
92 return 1;
93 }
94
95 if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
96 fprintf(stderr, "Impossible to open filter with name '%s'\n",
97 filter_name);
98 return 1;
99 }
101 fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
102 filter_name, filter_args);
103 return 1;
104 }
105
106 /* create a link for each of the input pads */
107 for (i = 0; i < filter_ctx->input_count; i++) {
110 filter_ctx->
inputs[i] = link;
111 }
112 for (i = 0; i < filter_ctx->output_count; i++) {
116 }
117
120 else
122
124
126 fflush(stdout);
127 return 0;
128 }