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Pass the inputs and outputs of avfilter_parse_graph() with a AVFilterInOut linked list

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Commited in SoC by Vitor Sessak on 2008-04-23 20:40:49

Originally committed as revision 13338 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-05-24 20:41:27 +00:00
parent d835680e3c
commit 6a0c770b21
2 changed files with 21 additions and 37 deletions
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37
libavfilter/graphparser.c
View File

@ -23,6 +23,7 @@
#include <ctype.h>
#include <string.h>
#include "graphparser.h"
#include "avfilter.h"
#include "avfiltergraph.h"
@ -149,24 +150,6 @@ static void parse_link_name(const char **buf, char **name, AVClass *log_ctx)
}
}
enum LinkType {
LinkTypeIn,
LinkTypeOut,
};
/**
* A linked-list of the inputs/outputs of the filter chain.
*/
typedef struct AVFilterInOut {
enum LinkType type;
const char *name;
AVFilterContext *filter;
int pad_idx;
struct AVFilterInOut *next;
} AVFilterInOut;
static void free_inout(AVFilterInOut *head)
{
while(head) {
@ -363,28 +346,14 @@ static int parse_outputs(const char **buf, AVFilterInOut **currInputs,
* Parse a string describing a filter graph.
*/
int avfilter_parse_graph(AVFilterGraph *graph, const char *filters,
AVFilterContext *in, int inpad,
AVFilterContext *out, int outpad,
AVClass *log_ctx)
AVFilterInOut *inouts, AVClass *log_ctx)
{
int index = 0;
char chr = 0;
int pad = 0;
AVFilterInOut *currInputs = NULL;
AVFilterInOut *openLinks = av_malloc(sizeof(AVFilterInOut));
openLinks->name = "in";
openLinks->filter = in;
openLinks->type = LinkTypeOut;
openLinks->pad_idx = inpad;
openLinks->next = av_malloc(sizeof(AVFilterInOut));
openLinks->next->name = "out";
openLinks->next->filter = out;
openLinks->next->type = LinkTypeIn;
openLinks->next->pad_idx = outpad;
openLinks->next->next = NULL;
AVFilterInOut *openLinks = inouts;
do {
AVFilterContext *filter;

21
libavfilter/graphparser.h
View File

@ -25,6 +25,23 @@
#include "avfilter.h"
#include "avfiltergraph.h"
enum LinkType {
LinkTypeIn,
LinkTypeOut,
};
/**
* A linked-list of the inputs/outputs of the filter chain.
*/
typedef struct AVFilterInOut {
enum LinkType type;
const char *name;
AVFilterContext *filter;
int pad_idx;
struct AVFilterInOut *next;
} AVFilterInOut;
/**
* Add to a graph a graph described by a string.
* @param graph the filter graph where to link the parsed graph context
@ -36,8 +53,6 @@
* @return zero on success, -1 on error
*/
int avfilter_parse_graph(AVFilterGraph *graph, const char *filters,
AVFilterContext *in, int inpad,
AVFilterContext *out, int outpad,
AVClass *log_ctx);
AVFilterInOut *inouts, AVClass *log_ctx);
#endif /* FFMPEG_GRAPHPARSER_H */