API changes, most recent first:
+2014-05-xx - xxxxxxx - lavu 52.86.100 - fifo.h
+ Add av_fifo_alloc_array() function.
+
2014-05-xx - xxxxxxx - lavu 53.15.0 - frame.h, display.h
Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level
spatial rendering on video frames for proper display.
#include "common.h"
#include "fifo.h"
-AVFifoBuffer *av_fifo_alloc(unsigned int size)
+static AVFifoBuffer *fifo_alloc_common(void *buffer, size_t size)
{
- AVFifoBuffer *f = av_mallocz(sizeof(AVFifoBuffer));
- if (!f)
+ AVFifoBuffer *f;
+ if (!buffer)
+ return NULL;
+ f = av_mallocz(sizeof(AVFifoBuffer));
+ if (!f) {
+ av_free(buffer);
return NULL;
- f->buffer = av_malloc(size);
+ }
+ f->buffer = buffer;
f->end = f->buffer + size;
av_fifo_reset(f);
- if (!f->buffer)
- av_freep(&f);
return f;
}
+AVFifoBuffer *av_fifo_alloc(unsigned int size)
+{
+ void *buffer = av_malloc(size);
+ return fifo_alloc_common(buffer, size);
+}
+
+AVFifoBuffer *av_fifo_alloc_array(size_t nmemb, size_t size)
+{
+ void *buffer = av_malloc_array(nmemb, size);
+ return fifo_alloc_common(buffer, nmemb * size);
+}
+
void av_fifo_free(AVFifoBuffer *f)
{
if (f) {
*/
AVFifoBuffer *av_fifo_alloc(unsigned int size);
+/**
+ * Initialize an AVFifoBuffer.
+ * @param nmemb number of elements
+ * @param size size of the single element
+ * @return AVFifoBuffer or NULL in case of memory allocation failure
+ */
+AVFifoBuffer *av_fifo_alloc_array(size_t nmemb, size_t size);
+
/**
* Free an AVFifoBuffer.
* @param f AVFifoBuffer to free
*/
#define LIBAVUTIL_VERSION_MAJOR 52
-#define LIBAVUTIL_VERSION_MINOR 85
+#define LIBAVUTIL_VERSION_MINOR 86
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \