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authorMark Thompson <sw@jkqxz.net>2017-10-26 00:18:44 +0100
committerMark Thompson <sw@jkqxz.net>2017-11-26 21:36:31 +0000
commit3536a3efb9fde88d34d526a51b1080247326cd6e (patch)
tree947da4c2bec368ae52a4301e525f92d4e69b90a9 /libavcodec
parent67e81d79ccfc6713c797ddb19a3b8aea476c947b (diff)
downloadffmpeg-3536a3efb9fde88d34d526a51b1080247326cd6e.tar.gz
lavc: Deprecate av_hwaccel_next() and av_register_hwaccel()
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/avcodec.h14
-rw-r--r--libavcodec/utils.c16
-rw-r--r--libavcodec/version.h5
3 files changed, 22 insertions, 13 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index a78c69a708..1ae0344bb2 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -3489,6 +3489,10 @@ const AVCodecHWConfig *avcodec_get_hw_config(const AVCodec *codec, int index);
/**
* @defgroup lavc_hwaccel AVHWAccel
+ *
+ * @note Nothing in this structure should be accessed by the user. At some
+ * point in future it will not be externally visible at all.
+ *
* @{
*/
typedef struct AVHWAccel {
@@ -3533,7 +3537,6 @@ typedef struct AVHWAccel {
* New public fields should be added right above.
*****************************************************************
*/
- struct AVHWAccel *next;
/**
* Allocate a custom buffer
@@ -5874,17 +5877,26 @@ void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size);
*/
unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
+#if FF_API_USER_VISIBLE_AVHWACCEL
/**
* Register the hardware accelerator hwaccel.
+ *
+ * @deprecated This function doesn't do anything.
*/
+attribute_deprecated
void av_register_hwaccel(AVHWAccel *hwaccel);
/**
* If hwaccel is NULL, returns the first registered hardware accelerator,
* if hwaccel is non-NULL, returns the next registered hardware accelerator
* after hwaccel, or NULL if hwaccel is the last one.
+ *
+ * @deprecated AVHWaccel structures contain no user-serviceable parts, so
+ * this function should not be used.
*/
+attribute_deprecated
AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel);
+#endif
/**
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 2a09ed4930..baf09119fe 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1898,22 +1898,16 @@ const AVCodecHWConfig *avcodec_get_hw_config(const AVCodec *codec, int index)
return &codec->hw_configs[index]->public;
}
-static AVHWAccel *first_hwaccel = NULL;
-static AVHWAccel **last_hwaccel = &first_hwaccel;
-
-void av_register_hwaccel(AVHWAccel *hwaccel)
+#if FF_API_USER_VISIBLE_AVHWACCEL
+AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
{
- AVHWAccel **p = last_hwaccel;
- hwaccel->next = NULL;
- while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, hwaccel))
- p = &(*p)->next;
- last_hwaccel = &hwaccel->next;
+ return NULL;
}
-AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
+void av_register_hwaccel(AVHWAccel *hwaccel)
{
- return hwaccel ? hwaccel->next : first_hwaccel;
}
+#endif
int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
{
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 8847737f37..ddab7c47a7 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 58
-#define LIBAVCODEC_VERSION_MINOR 4
+#define LIBAVCODEC_VERSION_MINOR 5
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@@ -123,6 +123,9 @@
#ifndef FF_API_CODEC_GET_SET
#define FF_API_CODEC_GET_SET (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
+#ifndef FF_API_USER_VISIBLE_AVHWACCEL
+#define FF_API_USER_VISIBLE_AVHWACCEL (LIBAVCODEC_VERSION_MAJOR < 59)
+#endif
#endif /* AVCODEC_VERSION_H */