FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavfilter/tests/filtfmts.c
Date: 2025-10-24 10:15:11
Exec Total Coverage
Lines: 59 85 69.4%
Functions: 3 3 100.0%
Branches: 27 50 54.0%
Line Branch Exec Source
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 "libavutil/channel_layout.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/pixdesc.h"
26 #include "libavutil/samplefmt.h"
27
28 #include "libavfilter/avfilter.h"
29 #include "libavfilter/avfilter_internal.h"
30 #include "libavfilter/formats.h"
31 #include "libavfilter/framequeue.h"
32
33 132 static void print_formats_internal(AVFilterLink **links, const AVFilterPad *pads,
34 unsigned nb, size_t fmts_cfg_offset,
35 const char *inout_string)
36 {
37
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 264 for (unsigned i = 0; i < nb; i++) {
38 132 const AVFilterLink *const link = links[i];
39 132 const AVFilterFormatsConfig *const cfg = (AVFilterFormatsConfig*)((const char*)link + fmts_cfg_offset);
40 132 const char *pad_name = avfilter_pad_get_name(pads, i);
41
42
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 132 if (link->type == AVMEDIA_TYPE_VIDEO) {
43 132 const AVFilterFormats *const fmts = cfg->formats;
44
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 24983 for (unsigned j = 0; fmts && j < fmts->nb_formats; j++) {
45 24851 printf("%s[%u] %s: fmt:%s\n",
46 inout_string, i, pad_name,
47 24851 av_get_pix_fmt_name(fmts->formats[j]));
48 }
49 ✗ } else if (link->type == AVMEDIA_TYPE_AUDIO) {
50 ✗ const AVFilterFormats *const fmts = cfg->formats;
51 ✗ const AVFilterChannelLayouts *const layouts = cfg->channel_layouts;
52
53 ✗ for (unsigned j = 0; fmts && j < fmts->nb_formats; j++)
54 ✗ printf("%s[%u] %s: fmt:%s\n",
55 inout_string, i, pad_name,
56 ✗ av_get_sample_fmt_name(fmts->formats[j]));
57
58 ✗ for (unsigned j = 0; layouts && j < layouts->nb_channel_layouts; j++) {
59 char buf[256];
60 ✗ av_channel_layout_describe(&layouts->channel_layouts[j], buf, sizeof(buf));
61 ✗ printf("%s[%u] %s: chlayout:%s\n",
62 inout_string, i, pad_name, buf);
63 }
64 }
65 }
66 132 }
67
68 66 static void print_formats(AVFilterContext *filter_ctx)
69 {
70 66 print_formats_internal(filter_ctx->inputs, filter_ctx->input_pads,
71 filter_ctx->nb_inputs,
72 offsetof(AVFilterLink, outcfg), "INPUT");
73 66 print_formats_internal(filter_ctx->outputs, filter_ctx->output_pads,
74 filter_ctx->nb_outputs,
75 offsetof(AVFilterLink, incfg), "OUTPUT");
76 66 }
77
78 66 int main(int argc, char **argv)
79 {
80 const AVFilter *filter;
81 const FFFilter *fi;
82 AVFilterContext *filter_ctx;
83 AVFilterGraph *graph_ctx;
84 const char *filter_name;
85 66 const char *filter_args = NULL;
86 int i;
87 66 int ret = 0;
88
89 66 av_log_set_level(AV_LOG_DEBUG);
90
91
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 66 if (argc < 2) {
92 ✗ fprintf(stderr, "Missing filter name as argument\n");
93 ✗ return 1;
94 }
95
96 66 filter_name = argv[1];
97
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 66 if (argc > 2)
98 ✗ filter_args = argv[2];
99
100 /* allocate graph */
101 66 graph_ctx = avfilter_graph_alloc();
102
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 66 if (!graph_ctx)
103 ✗ return 1;
104
105 /* get a corresponding filter and open it */
106
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 66 if (!(filter = avfilter_get_by_name(filter_name))) {
107 ✗ fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
108 ✗ return 1;
109 }
110 66 fi = fffilter(filter);
111
112 /* open filter and add it to the graph */
113
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 66 if (!(filter_ctx = avfilter_graph_alloc_filter(graph_ctx, filter, filter_name))) {
114 ✗ fprintf(stderr, "Impossible to open filter with name '%s'\n",
115 filter_name);
116 ✗ return 1;
117 }
118
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 66 if (avfilter_init_str(filter_ctx, filter_args) < 0) {
119 ✗ fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
120 filter_name, filter_args);
121 ✗ return 1;
122 }
123
124 /* create a link for each of the input pads */
125
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 132 for (i = 0; i < filter_ctx->nb_inputs; i++) {
126 66 AVFilterLink *link = av_mallocz(sizeof(FilterLinkInternal));
127
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 66 if (!link) {
128 ✗ fprintf(stderr, "Unable to allocate memory for filter input link\n");
129 ✗ ret = 1;
130 ✗ goto fail;
131 }
132 66 link->type = avfilter_pad_get_type(filter_ctx->input_pads, i);
133 66 filter_ctx->inputs[i] = link;
134 }
135
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 132 for (i = 0; i < filter_ctx->nb_outputs; i++) {
136 66 AVFilterLink *link = av_mallocz(sizeof(FilterLinkInternal));
137
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 66 if (!link) {
138 ✗ fprintf(stderr, "Unable to allocate memory for filter output link\n");
139 ✗ ret = 1;
140 ✗ goto fail;
141 }
142 66 link->type = avfilter_pad_get_type(filter_ctx->output_pads, i);
143 66 filter_ctx->outputs[i] = link;
144 }
145
146
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 66 if (fi->formats_state == FF_FILTER_FORMATS_QUERY_FUNC)
147 ✗ ret = fi->formats.query_func(filter_ctx);
148
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 66 else if (fi->formats_state == FF_FILTER_FORMATS_QUERY_FUNC2) {
149 55 AVFilterFormatsConfig **cfg_in = NULL, **cfg_out = NULL;
150
151
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 55 if (filter_ctx->nb_inputs) {
152 55 cfg_in = av_malloc_array(filter_ctx->nb_inputs, sizeof(*cfg_in));
153
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 110 for (unsigned i = 0; i < filter_ctx->nb_inputs; i++)
154 55 cfg_in[i] = &filter_ctx->inputs[i]->outcfg;
155 }
156
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 55 if (filter_ctx->nb_outputs) {
157 55 cfg_out = av_malloc_array(filter_ctx->nb_outputs, sizeof(*cfg_out));
158
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 110 for (unsigned i = 0; i < filter_ctx->nb_outputs; i++)
159 55 cfg_out[i] = &filter_ctx->outputs[i]->incfg;
160 }
161
162 55 ret = fi->formats.query_func2(filter_ctx, cfg_in, cfg_out);
163 55 av_freep(&cfg_in);
164 55 av_freep(&cfg_out);
165 } else
166 11 ret = ff_default_query_formats(filter_ctx);
167
168 66 print_formats(filter_ctx);
169
170 66 fail:
171 66 avfilter_free(filter_ctx);
172 66 avfilter_graph_free(&graph_ctx);
173 66 fflush(stdout);
174 66 return ret;
175 }
176