176e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org/* 276e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org * Copyright (c) 2014 The WebM project authors. All Rights Reserved. 376e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org * 476e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org * Use of this source code is governed by a BSD-style license 576e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org * that can be found in the LICENSE file in the root of the source 676e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org * tree. An additional intellectual property rights grant can be found 776e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org * in the file PATENTS. All contributing project authors may 876e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org * be found in the AUTHORS file in the root of the source tree. 976e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org */ 1076e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 1176e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#ifndef VP9_COMMON_VP9_FRAME_BUFFERS_H_ 1276e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#define VP9_COMMON_VP9_FRAME_BUFFERS_H_ 1376e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 1476e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#include "vpx/vpx_frame_buffer.h" 1576e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#include "vpx/vpx_integer.h" 1676e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 1776e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#ifdef __cplusplus 1876e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.orgextern "C" { 1976e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#endif 2076e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 2176e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.orgtypedef struct InternalFrameBuffer { 2276e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org uint8_t *data; 2376e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org size_t size; 2476e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org int in_use; 2576e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org} InternalFrameBuffer; 2676e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 2776e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.orgtypedef struct InternalFrameBufferList { 2876e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org int num_internal_frame_buffers; 2976e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org InternalFrameBuffer *int_fb; 3076e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org} InternalFrameBufferList; 3176e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 3276e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// Initializes |list|. Returns 0 on success. 3376e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.orgint vp9_alloc_internal_frame_buffers(InternalFrameBufferList *list); 3476e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 3576e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// Free any data allocated to the frame buffers. 3676e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.orgvoid vp9_free_internal_frame_buffers(InternalFrameBufferList *list); 3776e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 3876e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// Callback used by libvpx to request an external frame buffer. |cb_priv| 3976e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// Callback private data, which points to an InternalFrameBufferList. 4076e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// |min_size| is the minimum size in bytes needed to decode the next frame. 4176e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// |fb| pointer to the frame buffer. 4276e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.orgint vp9_get_frame_buffer(void *cb_priv, size_t min_size, 4376e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org vpx_codec_frame_buffer_t *fb); 4476e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 4576e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// Callback used by libvpx when there are no references to the frame buffer. 4676e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org// |cb_priv| is not used. |fb| pointer to the frame buffer. 4776e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.orgint vp9_release_frame_buffer(void *cb_priv, vpx_codec_frame_buffer_t *fb); 4876e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 4976e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#ifdef __cplusplus 5076e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org} // extern "C" 5176e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#endif 5276e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org 5376e516e2154f353aa02c504bac88afb0f95fefa7johannkoenig@chromium.org#endif // VP9_COMMON_VP9_FRAME_BUFFERS_H_ 54