avfiltergraph: clarify doxy for avfilter_graph_parse() open_inputs/outputs params

Make it clear that open_inputs/open_outputs are updated only if non-NULL.
This commit is contained in:
Stefano Sabatini 2011-07-02 16:09:55 +02:00
parent 6ce05bc73c
commit ebd1edf36c

View File

@ -124,12 +124,12 @@ void avfilter_inout_free(AVFilterInOut **inout);
*
* @param graph the filter graph where to link the parsed graph context
* @param filters string to be parsed
* @param inputs linked list to the inputs of the graph, may be NULL.
* It is updated to contain the list of open inputs after the parsing,
* should be freed with avfilter_inout_free().
* @param outputs linked list to the outputs of the graph, may be NULL.
* It is updated to contain the list of open outputs after the parsing,
* should be freed with avfilter_inout_free().
* @param inputs pointer to a linked list to the inputs of the graph, may be NULL.
* If non-NULL, *inputs is updated to contain the list of open inputs
* after the parsing, should be freed with avfilter_inout_free().
* @param outputs pointer to a linked list to the outputs of the graph, may be NULL.
* If non-NULL, *outputs is updated to contain the list of open outputs
* after the parsing, should be freed with avfilter_inout_free().
* @return zero on success, a negative AVERROR code on error
*/
int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,