summaryrefslogtreecommitdiffstats
path: root/media/libaom/src/av1/common/frame_buffers.h
diff options
context:
space:
mode:
Diffstat (limited to 'media/libaom/src/av1/common/frame_buffers.h')
-rw-r--r--media/libaom/src/av1/common/frame_buffers.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/media/libaom/src/av1/common/frame_buffers.h b/media/libaom/src/av1/common/frame_buffers.h
new file mode 100644
index 000000000..16188e51c
--- /dev/null
+++ b/media/libaom/src/av1/common/frame_buffers.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AV1_COMMON_FRAME_BUFFERS_H_
+#define AOM_AV1_COMMON_FRAME_BUFFERS_H_
+
+#include "aom/aom_frame_buffer.h"
+#include "aom/aom_integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct InternalFrameBuffer {
+ uint8_t *data;
+ size_t size;
+ int in_use;
+} InternalFrameBuffer;
+
+typedef struct InternalFrameBufferList {
+ int num_internal_frame_buffers;
+ InternalFrameBuffer *int_fb;
+} InternalFrameBufferList;
+
+// Initializes |list|. Returns 0 on success.
+int av1_alloc_internal_frame_buffers(InternalFrameBufferList *list);
+
+// Free any data allocated to the frame buffers.
+void av1_free_internal_frame_buffers(InternalFrameBufferList *list);
+
+// Zeros all unused internal frame buffers. In particular, this zeros the
+// frame borders. Call this function after a sequence header change to
+// re-initialize the frame borders for the different width, height, or bit
+// depth.
+void av1_zero_unused_internal_frame_buffers(InternalFrameBufferList *list);
+
+// Callback used by libaom to request an external frame buffer. |cb_priv|
+// Callback private data, which points to an InternalFrameBufferList.
+// |min_size| is the minimum size in bytes needed to decode the next frame.
+// |fb| pointer to the frame buffer.
+int av1_get_frame_buffer(void *cb_priv, size_t min_size,
+ aom_codec_frame_buffer_t *fb);
+
+// Callback used by libaom when there are no references to the frame buffer.
+// |cb_priv| is not used. |fb| pointer to the frame buffer.
+int av1_release_frame_buffer(void *cb_priv, aom_codec_frame_buffer_t *fb);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AOM_AV1_COMMON_FRAME_BUFFERS_H_