diff options
Diffstat (limited to 'libavfilter/avfiltergraph.h')
| -rw-r--r-- | libavfilter/avfiltergraph.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h index a0f6b2e01f..a975926fd1 100644 --- a/libavfilter/avfiltergraph.h +++ b/libavfilter/avfiltergraph.h @@ -2,20 +2,20 @@ * Filter graphs * copyright (c) 2007 Bobby Bingham * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -76,7 +76,7 @@ int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt, * @param log_ctx context used for logging * @return 0 in case of success, a negative AVERROR code otherwise */ -int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx); +int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx); /** * Free a graph, destroy its links, and set *graph to NULL. @@ -108,16 +108,32 @@ 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 - * @param outputs linked list to the outputs of the graph + * @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(). * @return zero on success, a negative AVERROR code on error */ int avfilter_graph_parse(AVFilterGraph *graph, const char *filters, - AVFilterInOut *inputs, AVFilterInOut *outputs, - AVClass *log_ctx); + AVFilterInOut **inputs, AVFilterInOut **outputs, + void *log_ctx); #endif /* AVFILTER_AVFILTERGRAPH_H */ |