diff options
Diffstat (limited to 'media/libvpx/vp8/decoder/ec_types.h')
-rw-r--r-- | media/libvpx/vp8/decoder/ec_types.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/media/libvpx/vp8/decoder/ec_types.h b/media/libvpx/vp8/decoder/ec_types.h new file mode 100644 index 000000000..3af5ca86b --- /dev/null +++ b/media/libvpx/vp8/decoder/ec_types.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2011 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 VP8_DECODER_EC_TYPES_H_ +#define VP8_DECODER_EC_TYPES_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#define MAX_OVERLAPS 16 + + +/* The area (pixel area in Q6) the block pointed to by bmi overlaps + * another block with. + */ +typedef struct +{ + int overlap; + union b_mode_info *bmi; +} OVERLAP_NODE; + +/* Structure to keep track of overlapping blocks on a block level. */ +typedef struct +{ + /* TODO(holmer): This array should be exchanged for a linked list */ + OVERLAP_NODE overlaps[MAX_OVERLAPS]; +} B_OVERLAP; + +/* Structure used to hold all the overlaps of a macroblock. The overlaps of a + * macroblock is further divided into block overlaps. + */ +typedef struct +{ + B_OVERLAP overlaps[16]; +} MB_OVERLAP; + +/* Structure for keeping track of motion vectors and which reference frame they + * refer to. Used for motion vector interpolation. + */ +typedef struct +{ + MV mv; + MV_REFERENCE_FRAME ref_frame; +} EC_BLOCK; + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP8_DECODER_EC_TYPES_H_ |