blob: eeebdc39da182d5bc5adb7ef7c3538b0996fc9d2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/*
* Video On Demand Samples
*
* Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You may also obtain this software under a propriety license from Microchip.
* Please contact Microchip for further information.
*
*/
/*----------------------------------------------------------*/
/*! \file
* \brief This file contains the CStream class.
*/
/*----------------------------------------------------------*/
#ifndef STREAM_H
#define STREAM_H
#include "MacAddr.h"
#include "RingBuffer.h"
#include "Source.h"
#define PID_VIDEO(x) ( 0x100 + (x) )
#define PID_AUDIO(x) ( 0x200 + (x) )
#define PID_PMT(x) ( 0x300 + (x) )
#define mPID_VIDEO ( PID_VIDEO((*m_MacAddr)[5]) )
#define mPID_AUDIO ( PID_AUDIO((*m_MacAddr)[5]) )
#define mPID_PMT ( PID_PMT((*m_MacAddr)[5]) )
class CSource;
/*----------------------------------------------------------*/
/*! \brief Class representing a single transport stream for multiplexing.
*/
/*----------------------------------------------------------*/
class CStream : public CRingBuffer
{
static const uint32_t NUM_PACKETS_BUFFERED = 64; // the number has to be set that the total buffer is bigger than the buffer used by the driver. Otherwise streams might run dry or get overflows
static uint32_t m_nInstCnt;
uint32_t m_nInst;
CMacAddr *m_MacAddr;
CSource *m_pCurrSource;
CSource *m_pNextSource;
uint64_t m_nBytesSent;
uint32_t m_nErrBufOvfl;
uint8_t m_TsPmt[188];
/*----------------------------------------------------------*/
/*! \brief switch to a new source file
*/
/*----------------------------------------------------------*/
void Switch();
/*----------------------------------------------------------*/
/*! \brief calculates a PMT packet
*/
/*----------------------------------------------------------*/
void CalcPmt();
public:
/*----------------------------------------------------------*/
/*! \brief constructs CStream instance
*/
/*----------------------------------------------------------*/
CStream();
/*----------------------------------------------------------*/
/*! \brief de-constructs CStream instance
*/
/*----------------------------------------------------------*/
~CStream();
/*----------------------------------------------------------*/
/*! \brief gets the current mac address for the stream
* \return Pointer to the assigned MAC address
*/
/*----------------------------------------------------------*/
CMacAddr *GetMacAddr()
{
return m_MacAddr;
};
/*----------------------------------------------------------*/
/*! \brief Statistic function: gets the amount of Bytes sent.
* \note Calling this method will clear this value to 0.
*/
/*----------------------------------------------------------*/
uint64_t GetBytesSent()
{
uint64_t nTmp = m_nBytesSent;
m_nBytesSent = 0;
return nTmp;
};
/*----------------------------------------------------------*/
/*! \brief Statistic function: gets the amount of Bytes read.
* \note Calling this method will clear this value to 0.
*/
/*----------------------------------------------------------*/
uint64_t GetBytesRead();
/*----------------------------------------------------------*/
/*! \brief number of PCR errors since last call
*/
/*----------------------------------------------------------*/
uint64_t GetErrPcr();
/*----------------------------------------------------------*/
/*! \brief number of source buffer underflows since last call
*/
/*----------------------------------------------------------*/
uint64_t GetErrBufUnderflow();
/*----------------------------------------------------------*/
/*! \brief number of send buffer overflows since last call
*/
/*----------------------------------------------------------*/
uint32_t GetErrBufOverflow();
/*----------------------------------------------------------*/
/*! \brief Statistic function: gets the amount of erroneous transport streams packets.
* \note Calling this method will clear this value to 0.
*/
/*----------------------------------------------------------*/
uint64_t GetErrTs();
/*----------------------------------------------------------*/
/*! \brief unique ID for each stream
*/
/*----------------------------------------------------------*/
uint32_t GetInstId() { return m_nInst; };
void SendPmt();
void SendAudio(uint8_t *pTs);
void SendVideo(uint8_t *pTs);
/*----------------------------------------------------------*/
/*! \brief set a new source
* \param pSource - pointer to source object
*/
/*----------------------------------------------------------*/
void SetSource(CSource *pSource) { m_pNextSource = pSource; }
/*----------------------------------------------------------*/
/*! \brief sets a new mac address for the stream
* \param pMacAddr - The new MAC address assigned to this stream.
* \note This method performs a deep copy of the pMacAddr, so you are free to delete the variable at any time.
*/
/*----------------------------------------------------------*/
void SetMacAddr(CMacAddr *pMacAddr);
/*----------------------------------------------------------*/
/*! \brief set pause on/off
* \param bPause - true, to pause the stream. false, to play the stream.
*/
/*----------------------------------------------------------*/
void SetPause(bool bPause);
/*----------------------------------------------------------*/
/*! \brief set repeat mode
* \param bRepetition - if true stream will repeated for ever
*/
/*----------------------------------------------------------*/
void SetRepetition(bool bRepetition);
/*----------------------------------------------------------*/
/*! \brief Sets the new time position in the stream.
* \param nPos - The new time positon to set.
*/
/*----------------------------------------------------------*/
void SetPos(uint16_t nPos);
/*----------------------------------------------------------*/
/*! \brief Read from HDD to fill ring buffer
*
* \return true, if something was read from file.
*/
/*----------------------------------------------------------*/
bool ReadHdd();
/*----------------------------------------------------------*/
/*! \brief gets next TS packet to be sent
*
* \return true, if a packet was available
*/
/*----------------------------------------------------------*/
bool GetTsPacket(uint8_t *pTrg);
/*----------------------------------------------------------*/
/*! \brief Trace stream properties to console
*/
/*----------------------------------------------------------*/
void PrintStream();
};
#endif
|
