FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/tests/filtfmts.c
Date: 2022-12-05 20:26:17
Exec Total Coverage
Lines: 46 71 64.8%
Functions: 3 3 100.0%
Branches: 20 40 50.0%

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 #define FF_INTERNAL_FIELDS 1
29 #include "libavfilter/framequeue.h"
30
31 #include "libavfilter/avfilter.h"
32 #include "libavfilter/formats.h"
33 #include "libavfilter/internal.h"
34
35 132 static void print_formats_internal(AVFilterLink **links, const AVFilterPad *pads,
36 unsigned nb, size_t fmts_cfg_offset,
37 const char *inout_string)
38 {
39
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264 for (unsigned i = 0; i < nb; i++) {
40 132 const AVFilterLink *const link = links[i];
41 132 const AVFilterFormatsConfig *const cfg = (AVFilterFormatsConfig*)((const char*)link + fmts_cfg_offset);
42 132 const char *pad_name = avfilter_pad_get_name(pads, i);
43
44
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132 if (link->type == AVMEDIA_TYPE_VIDEO) {
45 132 const AVFilterFormats *const fmts = cfg->formats;
46
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21270 for (unsigned j = 0; fmts && j < fmts->nb_formats; j++) {
47 21138 printf("%s[%u] %s: fmt:%s\n",
48 inout_string, i, pad_name,
49 21138 av_get_pix_fmt_name(fmts->formats[j]));
50 }
51 } else if (link->type == AVMEDIA_TYPE_AUDIO) {
52 const AVFilterFormats *const fmts = cfg->formats;
53 const AVFilterChannelLayouts *const layouts = cfg->channel_layouts;
54
55 for (unsigned j = 0; fmts && j < fmts->nb_formats; j++)
56 printf("%s[%u] %s: fmt:%s\n",
57 inout_string, i, pad_name,
58 av_get_sample_fmt_name(fmts->formats[j]));
59
60 for (unsigned j = 0; layouts && j < layouts->nb_channel_layouts; j++) {
61 char buf[256];
62 av_channel_layout_describe(&layouts->channel_layouts[j], buf, sizeof(buf));
63 printf("%s[%u] %s: chlayout:%s\n",
64 inout_string, i, pad_name, buf);
65 }
66 }
67 }
68 132 }
69
70 66 static void print_formats(AVFilterContext *filter_ctx)
71 {
72 66 print_formats_internal(filter_ctx->inputs, filter_ctx->input_pads,
73 filter_ctx->nb_inputs,
74 offsetof(AVFilterLink, outcfg), "INPUT");
75 66 print_formats_internal(filter_ctx->outputs, filter_ctx->output_pads,
76 filter_ctx->nb_outputs,
77 offsetof(AVFilterLink, incfg), "OUTPUT");
78 66 }
79
80 66 int main(int argc, char **argv)
81 {
82 const AVFilter *filter;
83 AVFilterContext *filter_ctx;
84 AVFilterGraph *graph_ctx;
85 const char *filter_name;
86 66 const char *filter_args = NULL;
87 int i;
88 66 int ret = 0;
89
90 66 av_log_set_level(AV_LOG_DEBUG);
91
92
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66 if (argc < 2) {
93 fprintf(stderr, "Missing filter name as argument\n");
94 return 1;
95 }
96
97 66 filter_name = argv[1];
98
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66 if (argc > 2)
99 filter_args = argv[2];
100
101 /* allocate graph */
102 66 graph_ctx = avfilter_graph_alloc();
103
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66 if (!graph_ctx)
104 return 1;
105
106 /* get a corresponding filter and open it */
107
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66 if (!(filter = avfilter_get_by_name(filter_name))) {
108 fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
109 return 1;
110 }
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(AVFilterLink));
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(AVFilterLink));
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 (filter->formats_state == FF_FILTER_FORMATS_QUERY_FUNC)
147 55 ret = filter->formats.query_func(filter_ctx);
148 else
149 11 ret = ff_default_query_formats(filter_ctx);
150
151 66 print_formats(filter_ctx);
152
153 66 fail:
154 66 avfilter_free(filter_ctx);
155 66 avfilter_graph_free(&graph_ctx);
156 66 fflush(stdout);
157 66 return ret;
158 }
159