ffmpeg/tools/lavfi-showfiltfmts.c
Michael Niedermayer d0ad91c258 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  os_support: Define SHUT_RD, SHUT_WR and SHUT_RDWR on OS/2
  http: Add support for reading http POST reply headers
  http: Add http_shutdown() for ending writing of posts
  tcp: Allow signalling end of reading/writing
  avio: Add a function for signalling end of reading/writing
  lavfi: fix comment, audio is supported now.
  lavfi: fix incorrect comment.
  lavfi: remove avfilter_null_* from public API on next bump.
  lavfi: remove avfilter_default_* from public API on next bump.
  lavfi: deprecate default config_props() callback and refactor avfilter_config_links()
  avfiltergraph: smarter sample format selection.
  avconv: rename transcode_audio/video to decode_audio/video.
  asyncts: reset delta to 0 when it's not used.
  x86: lavc: use %if HAVE_AVX guards around AVX functions in yasm code.
  dwt: return errors from ff_slice_buffer_init()

Conflicts:
	ffmpeg.c
	libavfilter/avfilter.c
	libavfilter/avfilter.h
	libavfilter/formats.c
	libavfilter/version.h
	libavfilter/vf_blackframe.c
	libavfilter/vf_drawtext.c
	libavfilter/vf_fade.c
	libavfilter/vf_format.c
	libavfilter/vf_showinfo.c
	libavfilter/video.c
	libavfilter/video.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-05-23 21:48:31 +02:00

126 lines
4.9 KiB
C

/*
* 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
*/
#include "libavformat/avformat.h"
#include "libavutil/pixdesc.h"
#include "libavutil/samplefmt.h"
#include "libavfilter/avfilter.h"
#include "libavfilter/formats.h"
static void print_formats(AVFilterContext *filter_ctx)
{
int i, j;
#define PRINT_FMTS(inout, outin, INOUT) \
for (i = 0; i < filter_ctx->inout##put_count; i++) { \
if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_VIDEO) { \
AVFilterFormats *fmts = \
filter_ctx->inout##puts[i]->outin##_formats; \
for (j = 0; j < fmts->format_count; j++) \
if(av_get_pix_fmt_name(fmts->formats[j])) \
printf(#INOUT "PUT[%d] %s: fmt:%s\n", \
i, filter_ctx->filter->inout##puts[i].name, \
av_get_pix_fmt_name(fmts->formats[j])); \
} else if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_AUDIO) { \
AVFilterFormats *fmts; \
\
fmts = filter_ctx->inout##puts[i]->outin##_formats; \
for (j = 0; j < fmts->format_count; j++) \
printf(#INOUT "PUT[%d] %s: fmt:%s\n", \
i, filter_ctx->filter->inout##puts[i].name, \
av_get_sample_fmt_name(fmts->formats[j])); \
\
fmts = filter_ctx->inout##puts[i]->outin##_channel_layouts; \
for (j = 0; j < fmts->format_count; j++) { \
char buf[256]; \
av_get_channel_layout_string(buf, sizeof(buf), -1, \
fmts->formats[j]); \
printf(#INOUT "PUT[%d] %s: chlayout:%s\n", \
i, filter_ctx->filter->inout##puts[i].name, buf); \
} \
} \
} \
PRINT_FMTS(in, out, IN);
PRINT_FMTS(out, in, OUT);
}
int main(int argc, char **argv)
{
AVFilter *filter;
AVFilterContext *filter_ctx;
const char *filter_name;
const char *filter_args = NULL;
int i;
av_log_set_level(AV_LOG_DEBUG);
if (!argv[1]) {
fprintf(stderr, "Missing filter name as argument\n");
return 1;
}
filter_name = argv[1];
if (argv[2])
filter_args = argv[2];
avfilter_register_all();
/* 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;
}
if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
fprintf(stderr, "Impossible to open filter with name '%s'\n",
filter_name);
return 1;
}
if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
filter_name, filter_args);
return 1;
}
/* create a link for each of the input pads */
for (i = 0; i < filter_ctx->input_count; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
link->type = filter_ctx->filter->inputs[i].type;
filter_ctx->inputs[i] = link;
}
for (i = 0; i < filter_ctx->output_count; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
link->type = filter_ctx->filter->outputs[i].type;
filter_ctx->outputs[i] = link;
}
if (filter->query_formats)
filter->query_formats(filter_ctx);
else
ff_default_query_formats(filter_ctx);
print_formats(filter_ctx);
avfilter_free(filter_ctx);
fflush(stdout);
return 0;
}