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

[James Almer]

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavutil/buffer.c | 6 +++---
 libavutil/buffer.h | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

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);
 
 /**
  * @}
-- 
2.33.0