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-rw-r--r--libavfilter/buffersrc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index e91d2e470b..ce897f5f5b 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -70,7 +70,7 @@ typedef struct {
return AVERROR(EINVAL);\
}
-int av_buffersrc_write_frame(AVFilterContext *buffer_filter, AVFrame *frame)
+int av_buffersrc_write_frame(AVFilterContext *buffer_filter, const AVFrame *frame)
{
BufferSourceContext *c = buffer_filter->priv;
AVFilterBufferRef *buf;