diff options
Diffstat (limited to 'libavfilter/avfiltergraph.h')
| -rw-r--r-- | libavfilter/avfiltergraph.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h index 538fd2cb95..a975926fd1 100644 --- a/libavfilter/avfiltergraph.h +++ b/libavfilter/avfiltergraph.h @@ -108,14 +108,28 @@ typedef struct AVFilterInOut { } AVFilterInOut; /** + * Create an AVFilterInOut. + * Must be free with avfilter_inout_free(). + */ +AVFilterInOut *avfilter_inout_alloc(void); + +/** + * Free the AVFilterInOut in *inout, and set its pointer to NULL. + * If *inout is NULL, do nothing. + */ +void avfilter_inout_free(AVFilterInOut **inout); + +/** * Add a graph described by a string to a graph. * * @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. + * 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. + * It 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, |