Merge commit 'd1d9efaae6c7e8466b06c30ca21c6b569dd2e480'

* commit 'd1d9efaae6c7e8466b06c30ca21c6b569dd2e480':
  avcodec: split avpicture from imgconvert
  pixdesc: add PIX_FMT_ALPHA flag

Conflicts:
	libavcodec/imgconvert.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 78 insertions, 0 deletions

diff --git a/libavcodec/avpicture.c b/libavcodec/avpicture.c
new file mode 100644
index 0000000000..a6f89ef884
--- /dev/null
+++ b/libavcodec/avpicture.c
@@ -0,0 +1,78 @@
+/*
+ * AVPicture management routines
+ * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * AVPicture management routines
+ */
+
+#include "avcodec.h"
+#include "internal.h"
+#include "libavutil/common.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/colorspace.h"
+
+int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
+                   enum AVPixelFormat pix_fmt, int width, int height)
+{
+    return av_image_fill_arrays(picture->data, picture->linesize,
+                                ptr, pix_fmt, width, height, 1);
+}
+
+int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height,
+                     unsigned char *dest, int dest_size)
+{
+    return av_image_copy_to_buffer(dest, dest_size,
+                                   (const uint8_t * const*)src->data, src->linesize,
+                                   pix_fmt, width, height, 1);
+}
+
+int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
+{
+    return av_image_get_buffer_size(pix_fmt, width, height, 1);
+}
+
+int avpicture_alloc(AVPicture *picture,
+                    enum AVPixelFormat pix_fmt, int width, int height)
+{
+    int ret = av_image_alloc(picture->data, picture->linesize,
+                             width, height, pix_fmt, 1);
+    if (ret < 0) {
+        memset(picture, 0, sizeof(AVPicture));
+        return ret;
+    }
+
+    return 0;
+}
+
+void avpicture_free(AVPicture *picture)
+{
+    av_free(picture->data[0]);
+}
+
+void av_picture_copy(AVPicture *dst, const AVPicture *src,
+                     enum AVPixelFormat pix_fmt, int width, int height)
+{
+    av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data,
+                  src->linesize, pix_fmt, width, height);
+}
+