3807dd82ab
Frame buffers are now allocated dynamically on-demand. Entries in the reference frame map, cm->ref_frame_map, may now be set to -1 (INVALID_IDX) to indicate that there is not a valid reference buffer in that "slot". All slots in the reference frame map are now initialized to the empty state (-1) and each buffer is initialized to have a reference count of 0. Change-Id: Id1afe98de98db4ae8b2dfefed7889c3b28c68582
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_ALLOCCOMMON_H_
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#define VP9_COMMON_VP9_ALLOCCOMMON_H_
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#define INVALID_IDX -1 // Invalid buffer index.
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct VP9Common;
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void vp9_remove_common(struct VP9Common *cm);
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int vp9_alloc_context_buffers(struct VP9Common *cm, int width, int height);
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void vp9_init_context_buffers(struct VP9Common *cm);
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void vp9_free_context_buffers(struct VP9Common *cm);
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void vp9_free_ref_frame_buffers(struct VP9Common *cm);
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int vp9_alloc_state_buffers(struct VP9Common *cm, int width, int height);
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void vp9_free_state_buffers(struct VP9Common *cm);
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void vp9_set_mb_mi(struct VP9Common *cm, int width, int height);
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void vp9_swap_current_and_last_seg_map(struct VP9Common *cm);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_COMMON_VP9_ALLOCCOMMON_H_
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