[FFmpeg-cvslog] avio: Document that write_packet() is not allowed to change its input

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Jul 28 01:15:48 2012 +0200| [55cdd45446df65555fedaa2ef184b900d9dd1337] | committer: Michael Niedermayer

avio: Document that write_packet() is not allowed to change its input

Found-by: Reimar
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=55cdd45446df65555fedaa2ef184b900d9dd1337
---

 libavformat/avio.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/avio.h b/libavformat/avio.h
index 9b9b65e..cd40f78 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -171,6 +171,7 @@ int avio_check(const char *url, int flags);
  * @param opaque An opaque pointer to user-specific data.
  * @param read_packet  A function for refilling the buffer, may be NULL.
  * @param write_packet A function for writing the buffer contents, may be NULL.
+ *        The function may not change the input buffers content.
  * @param seek A function for seeking to specified byte position, may be NULL.
  *
  * @return Allocated AVIOContext or NULL on failure.