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-rw-r--r--libavformat/avio_internal.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h
index 2e0b94c9ea..12578fac6c 100644
--- a/libavformat/avio_internal.h
+++ b/libavformat/avio_internal.h
@@ -63,4 +63,7 @@ int ffio_rewind_with_probe_data(AVIOContext *s, unsigned char *buf, int buf_size
uint64_t ffio_read_varlen(AVIOContext *bc);
+/** @warning must be called before any I/O */
+int ffio_set_buf_size(AVIOContext *s, int buf_size);
+
#endif // AVFORMAT_AVIO_INTERNAL_H