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/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP10_COMMON_FRAME_BUFFERS_H_
#define VP10_COMMON_FRAME_BUFFERS_H_
#include "vpx/vpx_frame_buffer.h"
#include "vpx/vpx_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 vp10_alloc_internal_frame_buffers(InternalFrameBufferList *list);
// Free any data allocated to the frame buffers.
void vp10_free_internal_frame_buffers(InternalFrameBufferList *list);
// Callback used by libvpx 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 vp10_get_frame_buffer(void *cb_priv, size_t min_size,
vpx_codec_frame_buffer_t *fb);
// Callback used by libvpx when there are no references to the frame buffer.
// |cb_priv| is not used. |fb| pointer to the frame buffer.
int vp10_release_frame_buffer(void *cb_priv, vpx_codec_frame_buffer_t *fb);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP10_COMMON_FRAME_BUFFERS_H_
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