|
|
|
@ -198,50 +198,6 @@ static void free_inout(AVFilterInOut *head) |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Process a link. This funcion looks for a matching label in the *inout |
|
|
|
|
* linked list. If none is found, it adds this link to the list. |
|
|
|
|
*/ |
|
|
|
|
static int handle_link(char *name, AVFilterInOut **inout, int pad, |
|
|
|
|
enum LinkType type, AVFilterContext *filter, |
|
|
|
|
AVClass *log_ctx) |
|
|
|
|
{ |
|
|
|
|
AVFilterInOut *p = *inout; |
|
|
|
|
|
|
|
|
|
for (; p && strcmp(p->name, name); p = p->next); |
|
|
|
|
|
|
|
|
|
if(!p) { |
|
|
|
|
// First label apearence, add it to the linked list
|
|
|
|
|
AVFilterInOut *inoutn = av_malloc(sizeof(AVFilterInOut)); |
|
|
|
|
|
|
|
|
|
inoutn->name = name; |
|
|
|
|
inoutn->type = type; |
|
|
|
|
inoutn->filter = filter; |
|
|
|
|
inoutn->pad_idx = pad; |
|
|
|
|
inoutn->next = *inout; |
|
|
|
|
*inout = inoutn; |
|
|
|
|
return 0; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if(p->type == LinkTypeIn && type == LinkTypeOut) { |
|
|
|
|
if(link_filter(filter, pad, p->filter, p->pad_idx, log_ctx) < 0) |
|
|
|
|
return -1; |
|
|
|
|
} else if(p->type == LinkTypeOut && type == LinkTypeIn) { |
|
|
|
|
if(link_filter(p->filter, p->pad_idx, filter, pad, log_ctx) < 0) |
|
|
|
|
return -1; |
|
|
|
|
} else { |
|
|
|
|
av_log(log_ctx, AV_LOG_ERROR, |
|
|
|
|
"Two links named '%s' are either both input or both output\n", |
|
|
|
|
name); |
|
|
|
|
return -1; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
p->filter = NULL; |
|
|
|
|
|
|
|
|
|
return 0; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Parse "[a1][link2] ... [etc]" |
|
|
|
|
*/ |
|
|
|
@ -251,17 +207,47 @@ static int parse_inouts(const char **buf, AVFilterInOut **inout, int pad, |
|
|
|
|
{ |
|
|
|
|
while (**buf == '[') { |
|
|
|
|
char *name; |
|
|
|
|
AVFilterInOut *p = *inout; |
|
|
|
|
|
|
|
|
|
parse_link_name(buf, &name, log_ctx); |
|
|
|
|
|
|
|
|
|
if(!name) |
|
|
|
|
return -1; |
|
|
|
|
|
|
|
|
|
if(handle_link(name, inout, pad++, type, filter, log_ctx) < 0) |
|
|
|
|
return -1; |
|
|
|
|
for (; p && strcmp(p->name, name); p = p->next); |
|
|
|
|
|
|
|
|
|
if(!p) { |
|
|
|
|
// First label apearence, add it to the linked list
|
|
|
|
|
AVFilterInOut *inoutn = av_malloc(sizeof(AVFilterInOut)); |
|
|
|
|
|
|
|
|
|
inoutn->name = name; |
|
|
|
|
inoutn->type = type; |
|
|
|
|
inoutn->filter = filter; |
|
|
|
|
inoutn->pad_idx = pad; |
|
|
|
|
inoutn->next = *inout; |
|
|
|
|
*inout = inoutn; |
|
|
|
|
} else { |
|
|
|
|
|
|
|
|
|
if(p->type == LinkTypeIn && type == LinkTypeOut) { |
|
|
|
|
if(link_filter(filter, pad, p->filter, p->pad_idx, log_ctx) < 0) |
|
|
|
|
return -1; |
|
|
|
|
} else if(p->type == LinkTypeOut && type == LinkTypeIn) { |
|
|
|
|
if(link_filter(p->filter, p->pad_idx, filter, pad, log_ctx) < 0) |
|
|
|
|
return -1; |
|
|
|
|
} else { |
|
|
|
|
av_log(log_ctx, AV_LOG_ERROR, |
|
|
|
|
"Two links named '%s' are either both input or both output\n", |
|
|
|
|
name); |
|
|
|
|
return -1; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
p->filter = NULL; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
pad++; |
|
|
|
|
consume_whitespace(buf); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return pad; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|