#include <stdio.h>
-#include "libavformat/avformat.h"
+#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
+
#include "libavfilter/avfilter.h"
#include "libavfilter/formats.h"
{
AVFilter *filter;
AVFilterContext *filter_ctx;
+ AVFilterGraph *graph_ctx;
const char *filter_name;
const char *filter_args = NULL;
int i, j;
if (argv[2])
filter_args = argv[2];
+ /* allocate graph */
+ graph_ctx = avfilter_graph_alloc();
+ if (!graph_ctx)
+ return 1;
+
avfilter_register_all();
/* get a corresponding filter and open it */
return 1;
}
- if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
+ /* open filter and add it to the graph */
+ if (!(filter_ctx = avfilter_graph_alloc_filter(graph_ctx, filter, filter_name))) {
fprintf(stderr, "Impossible to open filter with name '%s'\n",
filter_name);
return 1;
}
- if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
+ if (avfilter_init_str(filter_ctx, filter_args) < 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++) {
+ for (i = 0; i < filter_ctx->nb_inputs; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
- link->type = filter_ctx->filter->inputs[i].type;
+ link->type = avfilter_pad_get_type(filter_ctx->filter->inputs, i);
filter_ctx->inputs[i] = link;
}
- for (i = 0; i < filter_ctx->output_count; i++) {
+ for (i = 0; i < filter_ctx->nb_outputs; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
- link->type = filter_ctx->filter->outputs[i].type;
+ link->type = avfilter_pad_get_type(filter_ctx->filter->outputs, i);
filter_ctx->outputs[i] = link;
}
ff_default_query_formats(filter_ctx);
/* print the supported formats in input */
- for (i = 0; i < filter_ctx->input_count; i++) {
+ for (i = 0; i < filter_ctx->nb_inputs; i++) {
AVFilterFormats *fmts = filter_ctx->inputs[i]->out_formats;
- for (j = 0; j < fmts->format_count; j++)
+ for (j = 0; j < fmts->nb_formats; j++)
printf("INPUT[%d] %s: %s\n",
- i, filter_ctx->filter->inputs[i].name,
+ i, avfilter_pad_get_name(filter_ctx->filter->inputs, i),
av_get_pix_fmt_name(fmts->formats[j]));
}
/* print the supported formats in output */
- for (i = 0; i < filter_ctx->output_count; i++) {
+ for (i = 0; i < filter_ctx->nb_outputs; i++) {
AVFilterFormats *fmts = filter_ctx->outputs[i]->in_formats;
- for (j = 0; j < fmts->format_count; j++)
+ for (j = 0; j < fmts->nb_formats; j++)
printf("OUTPUT[%d] %s: %s\n",
- i, filter_ctx->filter->outputs[i].name,
+ i, avfilter_pad_get_name(filter_ctx->filter->outputs, i),
av_get_pix_fmt_name(fmts->formats[j]));
}
avfilter_free(filter_ctx);
+ avfilter_graph_free(&graph_ctx);
fflush(stdout);
return 0;
}