bavfilter/filtfmts: fix type for channel layouts
[ffmpeg.git] / libavfilter / filtfmts.c
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
23 #include "libavformat/avformat.h"
24 #include "libavutil/pixdesc.h"
25 #include "libavutil/samplefmt.h"
26 #include "libavfilter/avfilter.h"
27 #include "libavfilter/formats.h"
28
29 #undef fprintf
30 #undef printf
31
32 static void print_formats(AVFilterContext *filter_ctx)
33 {
34     int i, j;
35
36 #define PRINT_FMTS(inout, outin, INOUT)                                 \
37     for (i = 0; i < filter_ctx->inout##put_count; i++) {                     \
38         if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_VIDEO) {   \
39             AVFilterFormats *fmts =                                     \
40                 filter_ctx->inout##puts[i]->outin##_formats;            \
41             for (j = 0; j < fmts->format_count; j++)                    \
42                 if(av_get_pix_fmt_name(fmts->formats[j]))               \
43                 printf(#INOUT "PUT[%d] %s: fmt:%s\n",                   \
44                        i, filter_ctx->filter->inout##puts[i].name,      \
45                        av_get_pix_fmt_name(fmts->formats[j]));          \
46         } else if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_AUDIO) { \
47             AVFilterFormats *fmts;                                      \
48             AVFilterChannelLayouts *layouts;                            \
49                                                                         \
50             fmts = filter_ctx->inout##puts[i]->outin##_formats;         \
51             for (j = 0; j < fmts->format_count; j++)                    \
52                 printf(#INOUT "PUT[%d] %s: fmt:%s\n",                   \
53                        i, filter_ctx->filter->inout##puts[i].name,      \
54                        av_get_sample_fmt_name(fmts->formats[j]));       \
55                                                                         \
56             layouts = filter_ctx->inout##puts[i]->outin##_channel_layouts; \
57             for (j = 0; j < layouts->nb_channel_layouts; j++) {                  \
58                 char buf[256];                                          \
59                 av_get_channel_layout_string(buf, sizeof(buf), -1,      \
60                                              layouts->channel_layouts[j]);         \
61                 printf(#INOUT "PUT[%d] %s: chlayout:%s\n",              \
62                        i, filter_ctx->filter->inout##puts[i].name, buf); \
63             }                                                           \
64         }                                                               \
65     }                                                                   \
66
67     PRINT_FMTS(in,  out, IN);
68     PRINT_FMTS(out, in,  OUT);
69 }
70
71 int main(int argc, char **argv)
72 {
73     AVFilter *filter;
74     AVFilterContext *filter_ctx;
75     const char *filter_name;
76     const char *filter_args = NULL;
77     int i;
78
79     av_log_set_level(AV_LOG_DEBUG);
80
81     if (!argv[1]) {
82         fprintf(stderr, "Missing filter name as argument\n");
83         return 1;
84     }
85
86     filter_name = argv[1];
87     if (argv[2])
88         filter_args = argv[2];
89
90     avfilter_register_all();
91
92     /* get a corresponding filter and open it */
93     if (!(filter = avfilter_get_by_name(filter_name))) {
94         fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
95         return 1;
96     }
97
98     if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
99         fprintf(stderr, "Impossible to open filter with name '%s'\n",
100                 filter_name);
101         return 1;
102     }
103     if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
104         fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
105                 filter_name, filter_args);
106         return 1;
107     }
108
109     /* create a link for each of the input pads */
110     for (i = 0; i < filter_ctx->input_count; i++) {
111         AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
112         link->type = filter_ctx->filter->inputs[i].type;
113         filter_ctx->inputs[i] = link;
114     }
115     for (i = 0; i < filter_ctx->output_count; i++) {
116         AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
117         link->type = filter_ctx->filter->outputs[i].type;
118         filter_ctx->outputs[i] = link;
119     }
120
121     if (filter->query_formats)
122         filter->query_formats(filter_ctx);
123     else
124         ff_default_query_formats(filter_ctx);
125
126     print_formats(filter_ctx);
127
128     avfilter_free(filter_ctx);
129     fflush(stdout);
130     return 0;
131 }