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author | Nicolas George <nicolas.george@normalesup.org> | 2012-07-19 12:59:38 +0200 |
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committer | Nicolas George <nicolas.george@normalesup.org> | 2012-07-20 13:16:24 +0200 |
commit | cb6a20fa5616f707e5249c1e949442a2e51e0765 (patch) | |
tree | 49752a26f55b710d05ef3713b7e0d7e1e14ca193 | |
parent | 461f506f7be0ebec9505e78a42a27a7feaeab63f (diff) | |
download | ffmpeg-cb6a20fa5616f707e5249c1e949442a2e51e0765.tar.gz |
lavfi: add FF_*LINK_IDX convenience macros.
-rw-r--r-- | libavfilter/internal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavfilter/internal.h b/libavfilter/internal.h index b80a6fe1fa..5f0299cb83 100644 --- a/libavfilter/internal.h +++ b/libavfilter/internal.h @@ -350,4 +350,12 @@ int ff_request_frame(AVFilterLink *link); AVFilterBufferRef *ff_copy_buffer_ref(AVFilterLink *outlink, AVFilterBufferRef *ref); +/** + * Find the index of a link. + * + * I.e. find i such that link == ctx->(in|out)puts[i] + */ +#define FF_INLINK_IDX(link) ((int)((link)->dstpad - (link)->dst->input_pads)) +#define FF_OUTLINK_IDX(link) ((int)((link)->srcpad - (link)->src->output_pads)) + #endif /* AVFILTER_INTERNAL_H */ |