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author | RĂ©mi Verschelde <rverschelde@gmail.com> | 2016-10-30 18:12:00 +0100 |
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committer | GitHub <noreply@github.com> | 2016-10-30 18:12:00 +0100 |
commit | c6c13eb8fc7d4ad631a92edcf360f38210129d39 (patch) | |
tree | 12e82cb0ab3e2c3953d92ffd2aca5500685b87d7 /thirdparty/libvpx/vp9/common/vp9_seg_common.h | |
parent | 1944635ac4f3e9f12b176c2f38d43205195c35c5 (diff) | |
parent | d710b265f8c9c94f3315d2d2ae2267c7437eb179 (diff) |
Merge pull request #6490 from zaps166/webm-pr
Add WebM support
Diffstat (limited to 'thirdparty/libvpx/vp9/common/vp9_seg_common.h')
-rw-r--r-- | thirdparty/libvpx/vp9/common/vp9_seg_common.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/thirdparty/libvpx/vp9/common/vp9_seg_common.h b/thirdparty/libvpx/vp9/common/vp9_seg_common.h new file mode 100644 index 0000000000..99a9440c17 --- /dev/null +++ b/thirdparty/libvpx/vp9/common/vp9_seg_common.h @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2012 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 VP9_COMMON_VP9_SEG_COMMON_H_ +#define VP9_COMMON_VP9_SEG_COMMON_H_ + +#include "vpx_dsp/prob.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define SEGMENT_DELTADATA 0 +#define SEGMENT_ABSDATA 1 + +#define MAX_SEGMENTS 8 +#define SEG_TREE_PROBS (MAX_SEGMENTS-1) + +#define PREDICTION_PROBS 3 + +// Segment level features. +typedef enum { + SEG_LVL_ALT_Q = 0, // Use alternate Quantizer .... + SEG_LVL_ALT_LF = 1, // Use alternate loop filter value... + SEG_LVL_REF_FRAME = 2, // Optional Segment reference frame + SEG_LVL_SKIP = 3, // Optional Segment (0,0) + skip mode + SEG_LVL_MAX = 4 // Number of features supported +} SEG_LVL_FEATURES; + + +struct segmentation { + uint8_t enabled; + uint8_t update_map; + uint8_t update_data; + uint8_t abs_delta; + uint8_t temporal_update; + + vpx_prob tree_probs[SEG_TREE_PROBS]; + vpx_prob pred_probs[PREDICTION_PROBS]; + + int16_t feature_data[MAX_SEGMENTS][SEG_LVL_MAX]; + uint32_t feature_mask[MAX_SEGMENTS]; + int aq_av_offset; +}; + +static INLINE int segfeature_active(const struct segmentation *seg, + int segment_id, + SEG_LVL_FEATURES feature_id) { + return seg->enabled && + (seg->feature_mask[segment_id] & (1 << feature_id)); +} + +void vp9_clearall_segfeatures(struct segmentation *seg); + +void vp9_enable_segfeature(struct segmentation *seg, + int segment_id, + SEG_LVL_FEATURES feature_id); + +int vp9_seg_feature_data_max(SEG_LVL_FEATURES feature_id); + +int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id); + +void vp9_set_segdata(struct segmentation *seg, + int segment_id, + SEG_LVL_FEATURES feature_id, + int seg_data); + +static INLINE int get_segdata(const struct segmentation *seg, int segment_id, + SEG_LVL_FEATURES feature_id) { + return seg->feature_data[segment_id][feature_id]; +} + +extern const vpx_tree_index vp9_segment_tree[TREE_SIZE(MAX_SEGMENTS)]; + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP9_COMMON_VP9_SEG_COMMON_H_ + |