2010-05-24 23:38:50 +03:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2009 Stefano Sabatini
|
|
|
|
*
|
|
|
|
* This file is part of FFmpeg.
|
|
|
|
*
|
|
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
|
|
* License as published by the Free Software Foundation; either
|
|
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
* Lesser General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
2012-07-04 18:51:10 +03:00
|
|
|
#include <stdio.h>
|
|
|
|
|
2014-04-19 19:28:38 +03:00
|
|
|
#include "libavutil/channel_layout.h"
|
2014-08-02 22:51:48 +03:00
|
|
|
#include "libavutil/mem.h"
|
2010-05-24 23:38:50 +03:00
|
|
|
#include "libavutil/pixdesc.h"
|
2011-07-16 22:29:05 +03:00
|
|
|
#include "libavutil/samplefmt.h"
|
2014-08-02 22:51:48 +03:00
|
|
|
|
2016-01-03 16:44:42 +02:00
|
|
|
#define FF_INTERNAL_FIELDS 1
|
|
|
|
#include "libavfilter/framequeue.h"
|
|
|
|
|
2010-05-24 23:38:50 +03:00
|
|
|
#include "libavfilter/avfilter.h"
|
2012-05-19 11:37:56 +03:00
|
|
|
#include "libavfilter/formats.h"
|
2016-12-18 13:35:50 +02:00
|
|
|
#include "libavfilter/internal.h"
|
2010-05-24 23:38:50 +03:00
|
|
|
|
2021-10-05 20:49:00 +02:00
|
|
|
static void print_formats_internal(AVFilterLink **links, const AVFilterPad *pads,
|
|
|
|
unsigned nb, size_t fmts_cfg_offset,
|
|
|
|
const char *inout_string)
|
2011-07-16 22:29:05 +03:00
|
|
|
{
|
2021-10-05 20:49:00 +02:00
|
|
|
for (unsigned i = 0; i < nb; i++) {
|
|
|
|
const AVFilterLink *const link = links[i];
|
|
|
|
const AVFilterFormatsConfig *const cfg = (AVFilterFormatsConfig*)((const char*)link + fmts_cfg_offset);
|
|
|
|
const char *pad_name = avfilter_pad_get_name(pads, i);
|
|
|
|
|
|
|
|
if (link->type == AVMEDIA_TYPE_VIDEO) {
|
|
|
|
const AVFilterFormats *const fmts = cfg->formats;
|
2021-10-05 22:18:36 +02:00
|
|
|
for (unsigned j = 0; fmts && j < fmts->nb_formats; j++) {
|
2021-10-05 20:49:00 +02:00
|
|
|
printf("%s[%u] %s: fmt:%s\n",
|
|
|
|
inout_string, i, pad_name,
|
|
|
|
av_get_pix_fmt_name(fmts->formats[j]));
|
|
|
|
}
|
|
|
|
} else if (link->type == AVMEDIA_TYPE_AUDIO) {
|
|
|
|
const AVFilterFormats *const fmts = cfg->formats;
|
|
|
|
const AVFilterChannelLayouts *const layouts = cfg->channel_layouts;
|
|
|
|
|
2021-10-05 22:18:36 +02:00
|
|
|
for (unsigned j = 0; fmts && j < fmts->nb_formats; j++)
|
2021-10-05 20:49:00 +02:00
|
|
|
printf("%s[%u] %s: fmt:%s\n",
|
|
|
|
inout_string, i, pad_name,
|
|
|
|
av_get_sample_fmt_name(fmts->formats[j]));
|
2011-07-16 22:29:05 +03:00
|
|
|
|
2021-10-05 22:18:36 +02:00
|
|
|
for (unsigned j = 0; layouts && j < layouts->nb_channel_layouts; j++) {
|
2021-10-05 20:49:00 +02:00
|
|
|
char buf[256];
|
2021-08-31 16:03:14 +02:00
|
|
|
av_channel_layout_describe(&layouts->channel_layouts[j], buf, sizeof(buf));
|
2021-10-05 20:49:00 +02:00
|
|
|
printf("%s[%u] %s: chlayout:%s\n",
|
|
|
|
inout_string, i, pad_name, buf);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2011-07-16 22:29:05 +03:00
|
|
|
|
2021-10-05 20:49:00 +02:00
|
|
|
static void print_formats(AVFilterContext *filter_ctx)
|
|
|
|
{
|
|
|
|
print_formats_internal(filter_ctx->inputs, filter_ctx->input_pads,
|
|
|
|
filter_ctx->nb_inputs,
|
|
|
|
offsetof(AVFilterLink, outcfg), "INPUT");
|
|
|
|
print_formats_internal(filter_ctx->outputs, filter_ctx->output_pads,
|
|
|
|
filter_ctx->nb_outputs,
|
|
|
|
offsetof(AVFilterLink, incfg), "OUTPUT");
|
2011-07-16 22:29:05 +03:00
|
|
|
}
|
|
|
|
|
2010-05-24 23:38:50 +03:00
|
|
|
int main(int argc, char **argv)
|
|
|
|
{
|
2017-10-24 22:32:59 +02:00
|
|
|
const AVFilter *filter;
|
2010-05-24 23:38:50 +03:00
|
|
|
AVFilterContext *filter_ctx;
|
2013-07-16 16:05:01 +03:00
|
|
|
AVFilterGraph *graph_ctx;
|
2010-05-24 23:38:50 +03:00
|
|
|
const char *filter_name;
|
|
|
|
const char *filter_args = NULL;
|
2011-07-16 22:29:05 +03:00
|
|
|
int i;
|
2015-04-03 16:16:05 +02:00
|
|
|
int ret = 0;
|
2010-05-24 23:38:50 +03:00
|
|
|
|
|
|
|
av_log_set_level(AV_LOG_DEBUG);
|
|
|
|
|
2012-09-19 23:25:41 +03:00
|
|
|
if (argc < 2) {
|
2010-05-24 23:38:50 +03:00
|
|
|
fprintf(stderr, "Missing filter name as argument\n");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
filter_name = argv[1];
|
2012-09-19 23:25:41 +03:00
|
|
|
if (argc > 2)
|
2010-05-24 23:38:50 +03:00
|
|
|
filter_args = argv[2];
|
|
|
|
|
2013-07-16 16:05:01 +03:00
|
|
|
/* allocate graph */
|
|
|
|
graph_ctx = avfilter_graph_alloc();
|
|
|
|
if (!graph_ctx)
|
|
|
|
return 1;
|
|
|
|
|
2010-05-24 23:38:50 +03:00
|
|
|
/* get a corresponding filter and open it */
|
|
|
|
if (!(filter = avfilter_get_by_name(filter_name))) {
|
|
|
|
fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2013-07-16 16:05:01 +03:00
|
|
|
/* open filter and add it to the graph */
|
|
|
|
if (!(filter_ctx = avfilter_graph_alloc_filter(graph_ctx, filter, filter_name))) {
|
2012-01-25 14:25:11 +03:00
|
|
|
fprintf(stderr, "Impossible to open filter with name '%s'\n",
|
2012-01-25 17:03:18 +03:00
|
|
|
filter_name);
|
2010-05-24 23:38:50 +03:00
|
|
|
return 1;
|
|
|
|
}
|
2013-03-17 21:44:24 +03:00
|
|
|
if (avfilter_init_str(filter_ctx, filter_args) < 0) {
|
2012-01-25 17:03:18 +03:00
|
|
|
fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
|
|
|
|
filter_name, filter_args);
|
2010-05-24 23:38:50 +03:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* create a link for each of the input pads */
|
2013-08-25 20:14:17 +03:00
|
|
|
for (i = 0; i < filter_ctx->nb_inputs; i++) {
|
2010-08-07 01:25:42 +03:00
|
|
|
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
|
2015-04-03 16:16:05 +02:00
|
|
|
if (!link) {
|
|
|
|
fprintf(stderr, "Unable to allocate memory for filter input link\n");
|
|
|
|
ret = 1;
|
|
|
|
goto fail;
|
|
|
|
}
|
2014-08-03 20:35:08 +03:00
|
|
|
link->type = avfilter_pad_get_type(filter_ctx->input_pads, i);
|
2010-05-24 23:38:50 +03:00
|
|
|
filter_ctx->inputs[i] = link;
|
|
|
|
}
|
2013-08-25 20:14:17 +03:00
|
|
|
for (i = 0; i < filter_ctx->nb_outputs; i++) {
|
2010-08-07 01:25:42 +03:00
|
|
|
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
|
2015-04-03 16:16:05 +02:00
|
|
|
if (!link) {
|
|
|
|
fprintf(stderr, "Unable to allocate memory for filter output link\n");
|
|
|
|
ret = 1;
|
|
|
|
goto fail;
|
|
|
|
}
|
2014-08-03 20:35:08 +03:00
|
|
|
link->type = avfilter_pad_get_type(filter_ctx->output_pads, i);
|
2010-05-24 23:38:50 +03:00
|
|
|
filter_ctx->outputs[i] = link;
|
|
|
|
}
|
|
|
|
|
2021-09-27 12:07:35 +02:00
|
|
|
if (filter->formats_state == FF_FILTER_FORMATS_QUERY_FUNC)
|
|
|
|
ret = filter->formats.query_func(filter_ctx);
|
2010-05-24 23:38:50 +03:00
|
|
|
else
|
2018-05-06 03:33:28 +02:00
|
|
|
ret = ff_default_query_formats(filter_ctx);
|
2010-05-24 23:38:50 +03:00
|
|
|
|
2011-07-16 22:29:05 +03:00
|
|
|
print_formats(filter_ctx);
|
2010-05-24 23:38:50 +03:00
|
|
|
|
2015-04-03 16:16:05 +02:00
|
|
|
fail:
|
2010-11-08 14:32:39 +02:00
|
|
|
avfilter_free(filter_ctx);
|
2013-07-16 16:05:01 +03:00
|
|
|
avfilter_graph_free(&graph_ctx);
|
2010-05-24 23:38:50 +03:00
|
|
|
fflush(stdout);
|
2015-04-03 16:16:05 +02:00
|
|
|
return ret;
|
2010-05-24 23:38:50 +03:00
|
|
|
}
|