From: Jun Zhao <barryjz...@tencent.com>

ff_filter_get_nb_threads() respect AVFilterContext.nb_threads and
graph->nb_threads both, in most case, we perfer this API than using
ctx->graph->nb_threads directly.
---
 doc/writing_filters.txt |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/doc/writing_filters.txt b/doc/writing_filters.txt
index 98b9c6f..2e25cbe 100644
--- a/doc/writing_filters.txt
+++ b/doc/writing_filters.txt
@@ -389,7 +389,7 @@ distributor with something like this:
 
     td.in  = in;
     td.out = out;
-    ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(outlink->h, 
ctx->graph->nb_threads));
+    ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(outlink->h, 
ff_filter_get_nb_threads(ctx)));
 
     // ...
 
-- 
1.7.1

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