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 #ifndef _ASP_DECOP_CB_COMMON_H_
37 #define _ASP_DECOP_CB_COMMON_H_
39 #include <xdc/std.h>
40 #include <ti/ipc/GateMP.h>
41 #include "paftyp.h"
42 #include "pafdec.h"
44 //#define CB_RW_OP_CAP_PP // debug
45 #ifdef CB_RW_OP_CAP_PP
46 #define CB_OP_NONE 0
47 #define CB_OP_W 1 // ARM write
48 #define CB_OP_R 2 // DSP read
49 #define CB_OP_COUNT_MAX 10000
50 #endif
52 // error return codes
53 #define ASP_DECOP_CB_SOK ( 0 ) // ok
54 #define ASP_DECOP_CB_CTL_INIT_INV_GATE ( ASP_DECOP_CB_SOK-1 ) // error: invalid gate handle
55 #define ASP_DECOP_CB_ERR_START ( ASP_DECOP_CB_CTL_INIT_INV_GATE ) // start error return ID for master & slave error return definitions
57 #define ASP_DECOP_CB_MAX_NUM_AF ( 30 ) // decoder output circular buffer maximum number audio frames
59 #define ASP_DECOP_CB_MAX_NUM_PCM_CH ( 16 ) // decoder output circular buffer maximum number audio PCM channels
60 #define ASP_DECOP_CB_MAX_NUM_PCM_FRAMES ( 15 ) // decoder output circular buffer maximum number PCM frames //Qin - Increased to prevent cb overflow for ddp.
61 #define ASP_DECOP_CB_MAX_PCM_FRAME_LEN ( 6*256 ) // decoder output circular buffer maximum PCM frame length
63 #define ASP_DECOP_CB_MAX_NUM_PCM_CH_DDP ( 16 ) // decoder output circular buffer maximum number audio PCM channels for DDP
64 #define ASP_DECOP_CB_MAX_PCM_FRAME_LEN_48kDDP ( 6*256 ) // decoder output circular buffer maximum PCM frame length at 48kHz sampling rate
66 #define ASP_DECOP_CB_MAX_NUM_PCM_CH_MAT ( 32 ) // decoder output circular buffer maximum number audio PCM channels for MAT
67 #define ASP_DECOP_CB_MAX_PCM_FRAME_LEN_48kMAT ( 4*256 ) // decoder output circular buffer maximum PCM frame length at 48kHz sampling rate
69 #define ASP_DECOP_CB_PCM_BUF_SZ ( ASP_DECOP_CB_MAX_NUM_PCM_CH * ASP_DECOP_CB_MAX_NUM_PCM_FRAMES * ASP_DECOP_CB_MAX_PCM_FRAME_LEN )
70 #define ASP_DECOP_CB_PCM_BUF_SZ_32CH48kMAT ( ASP_DECOP_CB_MAX_NUM_PCM_CH_MAT * ASP_DECOP_CB_MAX_NUM_PCM_FRAMES * ASP_DECOP_CB_MAX_PCM_FRAME_LEN_48kMAT )
72 #define ASP_DECOP_CB_MAX_NUM_AF_PCM ( 4 )
73 #if (ASP_DECOP_CB_MAX_NUM_AF_PCM > ASP_DECOP_CB_MAX_NUM_AF)
74 #error "CB Max AF PCM error"
75 #endif
76 #define ASP_DECOP_CB_INIT_WRTIDX_PCM ( 0 )
77 #define ASP_DECOP_CB_INIT_RDIDX_PCM ( 0 )
78 #define ASP_DECOP_CB_INIT_LAG_PCM ( 2 )
79 #define ASP_DECOP_CB_TARGET_ND_SAMPS_48kPCM ( ASP_DECOP_CB_INIT_LAG_PCM * 256 ) // PCM target Nominal Delay in number of samples, fs=48 kHz
81 #define ASP_DECOP_CB_MAX_NUM_AF_DDP ( 2 )
82 #if (ASP_DECOP_CB_MAX_NUM_AF_DDP > ASP_DECOP_CB_MAX_NUM_AF)
83 #error "CB Max AF DDP error"
84 #endif
85 #define ASP_DECOP_CB_INIT_WRTIDX_DDP ( 0 )
86 #define ASP_DECOP_CB_INIT_RDIDX_DDP ( 0 )
87 #define ASP_DECOP_CB_INIT_LAG_DDP ( 1 )
88 #define ASP_DECOP_CB_TARGET_ND_SAMPS_48kDDP ( ASP_DECOP_CB_INIT_LAG_DDP * 1536 ) // DDP target Nominal Delay in number of samples, fs=48 kHz
90 #define ASP_DECOP_CB_MAX_NUM_AF_THD ( 30 ) //( 15 )
91 #if (ASP_DECOP_CB_MAX_NUM_AF_THD > ASP_DECOP_CB_MAX_NUM_AF)
92 #error "CB Max AF THD error"
93 #endif
94 #define ASP_DECOP_CB_INIT_WRTIDX_THD ( 0 )
95 #define ASP_DECOP_CB_INIT_RDIDX_THD ( 0 )
96 //#define ASP_DECOP_CB_INIT_LAG_THD ( 5 ) // 5*20ms = 100 ms, For the worst case of 100 ms
97 #define ASP_DECOP_CB_TARGET_ND_SAMPS_48kTHD ( 3504 )//( 2224 ) // THD target Nominal Delay in number of samples, fs=48 kHz
99 #define ASP_DECODE_CB_GATE_NAME ( "AspDecOpCbGate" ) // name of GateMP used for circular buffer shared memory protection
100 #define ASP_DECODE_CB_GATE_REGION_ID ( 0 ) // IPC shared region ID used for CB gate allocation
102 // Decoder output circular buffer
103 typedef struct PAF_AST_DecOpCircBuf
104 {
105 PAF_AudioFrame *afCb; // audio frame CB
106 PAF_AudioData *pcmBuf; // PCM buffer, contains PCM data associated with audio frames
107 UInt8 *metaBuf; // metadata buffer, contains metadata associated with audio frames
108 Int8 sourceSel; // selected source
109 Int8 primedFlag; // flag indicated whether CB is primed: FALSE - CB not primed, TRUE - CB primed
110 Int16 targetNDSamps; // target CB Nominal Delay number of samples
111 Int16 deltaSamps; // number of 256 (N) sample output frames to block reader
112 Int8 afRdIdx; // audio frame CB read index
113 Int8 afWrtIdx; // audio frame CB write index
114 //Int8 afLagIdx; // audio frame CB Lag idx,
115 //Int8 afInitialLag; // Initial delay/lag between CB write and read
116 Int16 pcmRdIdx; // pcm buffer read index
117 Int8 numAfCb; // current number frames in CB
118 Int8 maxNumAfCb; // maximum number of audio frames in CB
119 Int16 decOpFrameLen; // selected decoder output frame length (input transaction size)
120 Int16 strFrameLen; // stream frame length (output transaction size)
121 Int8 writerActiveFlag; // flag indicates whether CB writer is active: FALSE - writer not active, TRUE - writer active
122 Int8 readerActiveFlag; // flag indicates whether CB reader is active: FALSE - reader not active, TRUE - reader active
123 Int8 drainFlag; // flag indicates whether reader should drain (empty) remaining frames in CB: FALSE - reader should not drain, TRUE - reader should drain
124 Int32 readAfWriterInactiveCnt; // count of read audio frames with inactive writer & not draining
125 Int32 wrtAfReaderInactiveCnt; // count of write audio frames with inactive reader
126 Int32 wrtAfZeroSampsCnt; // count of write audio frames with zero samples
127 Int32 errUndCnt; // read error underflow count
128 Int32 errOvrCnt; // write error overflow count
129 PAF_AudioData *pcmBufEnd; // PCM buffer, contains PCM data associated with audio frames end
130 UInt8 *metaBufEnd; // metadata buffer, contains metadata associated with audio frames end
131 Int8 maxAFChanNum; // maximum number of audio data channels in audio frame
132 Int16 maxAFSampCount; // maximum number of sample counts in audio frame
133 PAF_AudioFrame lastAf; // used to store the last valid read out audio frame info to generate mute frame
134 #ifdef CB_RW_OP_CAP_PP // debug
135 UInt32 *cb_samples_op; // should be in shared memory, preferred NON cache
136 UInt8 *cb_op_owner; // should be in shared memory, preferred NON cache
137 UInt8 *cb_afRdIdx; // should be in shared memory, preferred NON cache
138 UInt8 *cb_afWrtIdx; // should be in shared memory, preferred NON cache
139 UInt8 *cb_numAfCb; // should be in shared memory, preferred NON cache
140 UInt32 cb_opCnt; // range (0 - CB_OP_COUNT_MAX)
141 #endif
142 } PAF_AST_DecOpCircBuf;
144 // Decoder output circular buffer statistics
145 typedef struct PAF_AST_DecOpCircBufStats
146 {
147 Int32 readAfWriterInactiveCnt; // count of read audio frames with inactive writer & not draining
148 Int32 wrtAfReaderInactiveCnt; // count of write audio frames with inactive reader
149 Int32 wrtAfZeroSampsCnt; // count of write audio frames with zero samples
150 Int32 errUndCnt; // read error underflow count
151 Int32 errOvrCnt; // write error overflow count
152 } PAF_AST_DecOpCircBufStats;
154 // Decoder output circular buffer control
155 typedef struct PAF_AST_DecOpCircBufCtl
156 {
157 GateMP_Handle gateHandle; // circular buffer gate handle
158 Int8 numDecOpCb; // number of circular buffers
159 PAF_AST_DecOpCircBuf **pXDecOpCb; // address of decoder output circular buffer base pointer
160 } PAF_AST_DecOpCircBufCtl;
162 // Initialize circular buffer control
163 Int cbCtlInit(
164 PAF_AST_DecOpCircBufCtl *pCbCtl, // decoder output circular buffer control
165 Int8 numDecOpCb, // number of circular buffers
166 PAF_AST_DecOpCircBuf **pXDecOpCb // address of decoder output circular buffer base pointer
167 );
169 // Reset circular buffer
170 Int cbReset(
171 PAF_AST_DecOpCircBufCtl *pCbCtl,
172 Int8 cbIdx
173 );
175 // Get circular buffer statistics
176 Int cbGetStats(
177 PAF_AST_DecOpCircBufCtl *pCbCtl, // decoder output circular buffer control
178 Int8 cbIdx, // decoder output circular buffer index
179 PAF_AST_DecOpCircBufStats *pCbStats // decoder output circular buffer statistics
181 );
183 // Output log of circular buffer control variables (debug)
184 Int cbLog(
185 PAF_AST_DecOpCircBufCtl *pCbCtl,
186 Int8 cbIdx,
187 Int8 fullLog,
188 char *locInfo
189 );
192 #endif /* _ASP_DECOP_CB_COMMON_H_ */