[FFmpeg-devel] [PATCH 3/3] lavu/buffer: use avrefcount_template.h for AVBufferPool.
Nicolas George
george at nsup.org
Sat Jun 27 18:16:46 EEST 2020
Signed-off-by: Nicolas George <george at nsup.org>
---
libavutil/buffer.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/libavutil/buffer.c b/libavutil/buffer.c
index 7b4d0a867a..a30e289087 100644
--- a/libavutil/buffer.c
+++ b/libavutil/buffer.c
@@ -225,6 +225,14 @@ int av_buffer_realloc(AVBufferRef **pbuf, int size)
return 0;
}
+#define AVRC_TYPE AVBufferPool
+#define AVRC_PREFIX buffer_pool_
+#define AVRC_FIELD refcount
+
+static void buffer_pool_free(AVBufferPool *pool);
+
+#include "avrefcount_template.h"
+
AVBufferPool *av_buffer_pool_init2(int size, void *opaque,
AVBufferRef* (*alloc)(void *opaque, int size),
void (*pool_free)(void *opaque))
@@ -241,7 +249,7 @@ AVBufferPool *av_buffer_pool_init2(int size, void *opaque,
pool->alloc = av_buffer_alloc; // fallback
pool->pool_free = pool_free;
- atomic_init(&pool->refcount, 1);
+ buffer_pool_init_ref_count(pool);
return pool;
}
@@ -257,7 +265,7 @@ AVBufferPool *av_buffer_pool_init(int size, AVBufferRef* (*alloc)(int size))
pool->size = size;
pool->alloc = alloc ? alloc : av_buffer_alloc;
- atomic_init(&pool->refcount, 1);
+ buffer_pool_init_ref_count(pool);
return pool;
}
@@ -292,8 +300,7 @@ void av_buffer_pool_uninit(AVBufferPool **ppool)
pool = *ppool;
*ppool = NULL;
- if (atomic_fetch_sub_explicit(&pool->refcount, 1, memory_order_acq_rel) == 1)
- buffer_pool_free(pool);
+ buffer_pool_unrefp(&pool);
}
static void pool_release_buffer(void *opaque, uint8_t *data)
@@ -309,8 +316,7 @@ static void pool_release_buffer(void *opaque, uint8_t *data)
pool->pool = buf;
ff_mutex_unlock(&pool->mutex);
- if (atomic_fetch_sub_explicit(&pool->refcount, 1, memory_order_acq_rel) == 1)
- buffer_pool_free(pool);
+ buffer_pool_unrefp(&pool);
}
/* allocate a new buffer and override its free() callback so that
@@ -364,7 +370,7 @@ AVBufferRef *av_buffer_pool_get(AVBufferPool *pool)
ff_mutex_unlock(&pool->mutex);
if (ret)
- atomic_fetch_add_explicit(&pool->refcount, 1, memory_order_relaxed);
+ buffer_pool_ref(pool);
return ret;
}
--
2.27.0
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