[FFmpeg-cvslog] avutil/buffer: constify some function parameters

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Fri Sep 17 00:06:45 2021 -0300| [ccfdef79b132bef49f4654266d5d3da8d1deb305] | committer: James Almer

avutil/buffer: constify some function parameters

Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ccfdef79b132bef49f4654266d5d3da8d1deb305
---

 doc/APIchanges      | 4 ++++
 libavutil/buffer.c  | 6 +++---
 libavutil/buffer.h  | 6 +++---
 libavutil/version.h | 2 +-
 4 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index d03e3233ba..cf6105c99e 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -14,6 +14,10 @@ libavutil:     2021-04-27
 
 API changes, most recent first:
 
+2021-09-17 - xxxxxxxxxx - lavu 57.5.101 - buffer.h
+  Constified the input parameters in av_buffer_replace(), av_buffer_ref(),
+  and av_buffer_pool_buffer_get_opaque().
+
 2021-09-08 - xxxxxxxxxx - lavu 57.5.100 - hwcontext_d3d11va.h
   Add AVD3D11VAFramesContext.texture_infos
 
diff --git a/libavutil/buffer.c b/libavutil/buffer.c
index b13eeadffb..a32b7deb89 100644
--- a/libavutil/buffer.c
+++ b/libavutil/buffer.c
@@ -90,7 +90,7 @@ AVBufferRef *av_buffer_allocz(size_t size)
     return ret;
 }
 
-AVBufferRef *av_buffer_ref(AVBufferRef *buf)
+AVBufferRef *av_buffer_ref(const AVBufferRef *buf)
 {
     AVBufferRef *ret = av_mallocz(sizeof(*ret));
 
@@ -216,7 +216,7 @@ int av_buffer_realloc(AVBufferRef **pbuf, size_t size)
     return 0;
 }
 
-int av_buffer_replace(AVBufferRef **pdst, AVBufferRef *src)
+int av_buffer_replace(AVBufferRef **pdst, const AVBufferRef *src)
 {
     AVBufferRef *dst = *pdst;
     AVBufferRef *tmp;
@@ -395,7 +395,7 @@ AVBufferRef *av_buffer_pool_get(AVBufferPool *pool)
     return ret;
 }
 
-void *av_buffer_pool_buffer_get_opaque(AVBufferRef *ref)
+void *av_buffer_pool_buffer_get_opaque(const AVBufferRef *ref)
 {
     BufferPoolEntry *buf = ref->buffer->opaque;
     av_assert0(buf);
diff --git a/libavutil/buffer.h b/libavutil/buffer.h
index 2c0ce1a108..e1ef5b7f07 100644
--- a/libavutil/buffer.h
+++ b/libavutil/buffer.h
@@ -145,7 +145,7 @@ void av_buffer_default_free(void *opaque, uint8_t *data);
  * @return a new AVBufferRef referring to the same AVBuffer as buf or NULL on
  * failure.
  */
-AVBufferRef *av_buffer_ref(AVBufferRef *buf);
+AVBufferRef *av_buffer_ref(const AVBufferRef *buf);
 
 /**
  * Free a given reference and automatically free the buffer if there are no more
@@ -212,7 +212,7 @@ int av_buffer_realloc(AVBufferRef **buf, size_t size);
  * @return 0 on success
  *         AVERROR(ENOMEM) on memory allocation failure.
  */
-int av_buffer_replace(AVBufferRef **dst, AVBufferRef *src);
+int av_buffer_replace(AVBufferRef **dst, const AVBufferRef *src);
 
 /**
  * @}
@@ -313,7 +313,7 @@ AVBufferRef *av_buffer_pool_get(AVBufferPool *pool);
  * therefore you have to use this function to access the original opaque
  * parameter of an allocated buffer.
  */
-void *av_buffer_pool_buffer_get_opaque(AVBufferRef *ref);
+void *av_buffer_pool_buffer_get_opaque(const AVBufferRef *ref);
 
 /**
  * @}
diff --git a/libavutil/version.h b/libavutil/version.h
index f220e192c8..1e6a80f86e 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -80,7 +80,7 @@
 
 #define LIBAVUTIL_VERSION_MAJOR  57
 #define LIBAVUTIL_VERSION_MINOR   5
-#define LIBAVUTIL_VERSION_MICRO 100
+#define LIBAVUTIL_VERSION_MICRO 101
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                                LIBAVUTIL_VERSION_MINOR, \