• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /******************************************************************************
2  *
3  * Copyright (C) 2015 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *****************************************************************************
18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 /**
21 *******************************************************************************
22 * @file
23 *  ideint.h
24 *
25 * @brief
26 *  Deinterlacer API file
27 *
28 * @author
29 *  Ittiam
30 *
31 * @par List of Functions:
32 *
33 * @remarks
34 *  None
35 *
36 *******************************************************************************
37 */
38 
39 #ifndef __IDEINT_H__
40 #define __IDEINT_H__
41 
42 /** Error codes */
43 typedef enum
44 {
45     /** Dummy error code */
46     IDEINT_ERROR_NA = 0x7FFFFFFF,
47 
48     /** No error */
49     IDEINT_ERROR_NONE = 0,
50 
51     /** Invalid Context */
52     IDEINT_INVALID_CTXT,
53 
54     /** Start row not aligned to 8 */
55     IDEINT_START_ROW_UNALIGNED,
56 
57 
58 }IDEINT_ERROR_T;
59 
60 /** Modes of deinterlacing */
61 typedef enum
62 {
63     /** Dummy mode */
64     IDEINT_MODE_NA = 0x7FFFFFFF,
65 
66     /** Weave two fields to get a frame, no filtering */
67     IDEINT_MODE_WEAVE = 0,
68 
69     /** Weave two fields in static blocks and
70      spatial filtering for non-static blocks */
71     IDEINT_MODE_SPATIAL,
72 
73 }IDEINT_MODE_T;
74 
75 /** Deinterlacer parameters */
76 typedef struct
77 {
78     /** Mode for deinterlacing */
79     IDEINT_MODE_T e_mode;
80 
81     /** Flag to indicate if the current field is top field,
82      * Prev and Next field are assumed to be of opposite parity
83      */
84     WORD32  i4_cur_fld_top;
85 
86     /** Flag to signal if weave should be disabled.
87      * i.e. output already contains weaved fields
88      */
89     WORD32  i4_disable_weave;
90 
91     /** CPU Architecture */
92     ICV_ARCH_T e_arch;
93 
94     /** SOC */
95     ICV_SOC_T e_soc;
96 
97     /** Pointer to a function for aligned allocation.
98      * If NULL, then malloc will be used internally
99      * Module will allocate if any extra memory is needed
100      */
101     void *(*pf_aligned_alloc)(WORD32 alignment, WORD32 size);
102 
103     /** Pointer to a function for aligned free.
104      * If NULL, then free will be used internally
105      */
106     void   (*pf_aligned_free)(void *pv_buf);
107 
108 }ideint_params_t;
109 
110 /** Deinterlacer context size */
111 WORD32 ideint_ctxt_size(void);
112 
113 /** Deinterlacer process */
114 IDEINT_ERROR_T ideint_process(void *pv_ctxt,
115                               icv_pic_t *ps_prv_fld,
116                               icv_pic_t *ps_cur_fld,
117                               icv_pic_t *ps_nxt_fld,
118                               icv_pic_t *ps_out_frm,
119                               ideint_params_t *ps_params,
120                               WORD32 start_row,
121                               WORD32 num_rows);
122 
123 #endif /* __IDEINT_H__ */
124