2 /*
3 Copyright (c) 2017, Texas Instruments Incorporated - http://www.ti.com/
4 All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the
16 * distribution.
17 *
18 * Neither the name of Texas Instruments Incorporated nor the names of
19 * its contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
36 /*
37 * ======== aspOutInitSync_slave.c ========
38 */
41 #include <xdc/std.h>
43 #include "aspOutInitSync_common.h"
44 #include "aspOutInitSync_master.h"
47 // Read dec stage flag
48 Int outIsReadDecStageFlag(
49 PAF_AST_OutInitSyncCtl *pOutIsCtl, // Output Init-Sync Info Control
50 Int8 outIsiIdx, // Output Init-Sync Info index
51 Int8 decStageIdx, // dec stage index
52 Int8 *pFlagVal // flag value read
53 )
54 {
55 IArg key;
56 GateMP_Handle gateHandle;
57 PAF_AST_OutInitSyncInfo *pOutIsi;
58 PAF_AST_DecStageOutInitSyncInfo *pDecStageOutIsi;
60 // Get gate handle
61 gateHandle = pOutIsCtl->gateHandle;
62 // Enter gate
63 key = GateMP_enter(gateHandle);
65 //
66 // Read decoder stage flag
67 //
69 // Get address of Output Init-Sync Info
70 pOutIsi = &((*pOutIsCtl->pXOutIsInfo)[outIsiIdx]);
71 // Get address of Decoder Output Init-Sync Info
72 pDecStageOutIsi = &pOutIsi->decStageOutInitSyncInfo[decStageIdx];
73 // Read flag value
74 *pFlagVal = pDecStageOutIsi->decFlag;
76 // Leave the gate
77 GateMP_leave(gateHandle, key);
79 return ASP_OUTIS_SOK;
80 }
82 // Read dec stage flag and AF
83 Int outIsReadDecStageFlagAndAf(
84 PAF_AST_OutInitSyncCtl *pOutIsCtl, // Output Init-Sync Info Control
85 Int8 outIsiIdx, // Output Init-Sync Info index
86 Int8 decStageIdx, // dec stage index
87 Int8 *pDecFlag, // audio frame valid flag
88 PAF_AudioFrame *pDecAfRd // audio frame read
89 )
90 {
91 IArg key;
92 GateMP_Handle gateHandle;
93 PAF_AST_OutInitSyncInfo *pOutIsi;
94 PAF_AST_DecStageOutInitSyncInfo *pDecStageOutIsi;
97 // Get gate handle
98 gateHandle = pOutIsCtl->gateHandle;
99 // Enter gate
100 key = GateMP_enter(gateHandle);
102 //
103 // Read decoder stage audio frame
104 // Read decoder stage flag
105 //
107 // Get address of Output Init-Sync Info
108 pOutIsi = &((*pOutIsCtl->pXOutIsInfo)[outIsiIdx]);
109 // Get address of Decoder Output Init-Sync Info
110 pDecStageOutIsi = &pOutIsi->decStageOutInitSyncInfo[decStageIdx];
112 // Read flag value
113 *pDecFlag = pDecStageOutIsi->decFlag;
115 if (pDecStageOutIsi->decFlag != 0)
116 {
117 // audio frame valid
119 // Read audio frame from Out IS
120 outIsCpyAf(&pDecStageOutIsi->decAf, pDecAfRd);
121 }
123 // Leave the gate
124 GateMP_leave(gateHandle, key);
126 return ASP_OUTIS_SOK;
127 }