recommit of

promote avpicture_alloc to public interface patch by (Drew Hess <dhess at ilm dot com>)

Originally committed as revision 2351 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 14 insertions, 0 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 99cd1d1381..e0904ccf0d 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1524,6 +1524,20 @@ void img_resample(ImgReSampleContext *s,
 
 void img_resample_close(ImgReSampleContext *s);
 
+/**
+ * Allocate memory for a picture.  Call avpicture_free to free it.
+ *
+ * @param picture the picture to be filled in.
+ * @param pix_fmt the format of the picture.
+ * @param width the width of the picture.
+ * @param height the height of the picture.
+ * @return 0 if successful, -1 if not.
+ */
+int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height);
+
+/* Free a picture previously allocated by avpicture_alloc. */
+void avpicture_free(AVPicture *picture);
+
 int avpicture_fill(AVPicture *picture, uint8_t *ptr,
                    int pix_fmt, int width, int height);
 int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,