#include "avfilter.h"
#include "avfiltergraph.h"
-static AVFilterContext *create_filter(AVFilterGraph *ctx, int index,
- const char *name, const char *args,
- AVClass *log_ctx)
-{
- AVFilterContext *filt;
-
- AVFilter *filterdef;
- char inst_name[30];
-
- snprintf(inst_name, sizeof(inst_name), "Parsed filter %d", index);
-
- if(!(filterdef = avfilter_get_by_name(name))) {
- av_log(log_ctx, AV_LOG_ERROR,
- "no such filter: '%s'\n", name);
- return NULL;
- }
-
- if(!(filt = avfilter_open(filterdef, inst_name))) {
- av_log(log_ctx, AV_LOG_ERROR,
- "error creating filter '%s'\n", name);
- return NULL;
- }
-
- if(avfilter_graph_add_filter(ctx, filt) < 0)
- return NULL;
-
- if(avfilter_init_filter(filt, args, NULL)) {
- av_log(log_ctx, AV_LOG_ERROR,
- "error initializing filter '%s' with args '%s'\n", name, args);
- return NULL;
- }
-
- return filt;
-}
-
static int link_filter(AVFilterContext *src, int srcpad,
AVFilterContext *dst, int dstpad,
AVClass *log_ctx)
}
}
+static AVFilterContext *create_filter(AVFilterGraph *ctx, int index,
+ const char *name, const char *args,
+ AVClass *log_ctx)
+{
+ AVFilterContext *filt;
+
+ AVFilter *filterdef;
+ char inst_name[30];
+
+ snprintf(inst_name, sizeof(inst_name), "Parsed filter %d", index);
+
+ if(!(filterdef = avfilter_get_by_name(name))) {
+ av_log(log_ctx, AV_LOG_ERROR,
+ "no such filter: '%s'\n", name);
+ return NULL;
+ }
+
+ if(!(filt = avfilter_open(filterdef, inst_name))) {
+ av_log(log_ctx, AV_LOG_ERROR,
+ "error creating filter '%s'\n", name);
+ return NULL;
+ }
+
+ if(avfilter_graph_add_filter(ctx, filt) < 0)
+ return NULL;
+
+ if(avfilter_init_filter(filt, args, NULL)) {
+ av_log(log_ctx, AV_LOG_ERROR,
+ "error initializing filter '%s' with args '%s'\n", name, args);
+ return NULL;
+ }
+
+ return filt;
+}
+
static void free_inout(AVFilterInOut *head)
{
while(head) {
* Add to a graph a graph described by a string.
* @param graph the filter graph where to link the parsed graph context
* @param filters string to be parsed
- * @param in input to the graph to be parsed (TODO: allow several)
- * @param inpad pad index of the input
- * @param out output to the graph to be parsed (TODO: allow several)
+ * @param inouts linked list to the inputs and outputs of the graph
* @param outpad pad index of the output
* @return zero on success, -1 on error
*/