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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* mov_encoder_thread.cc
*
* Tue May 17 16:00:01 CEST 2005
* Copyright 2005 Bent Bisballe
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of MIaV.
*
* MIaV 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.
*
* MIaV 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 MIaV; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <config.h>
#include "mov_encoder_thread.h"
#include <errno.h>
#include "miav_config.h"
MovEncoderThread::MovEncoderThread(const char *clientip, const char *cpr, Info *i)
{
info = i;
info->info("MovEncoderThread");
// Queue
inputqueue = new ThreadSafeQueueFIFO();
// Initialize read semaphore
sem_init(&read_sem, 0, 0);
video_output_queue = new ThreadSafeQueuePriority(info);
audio_input_queue = new ThreadSafeQueuePriority(info);
audio_output_queue = new ThreadSafeQueuePriority(info);
info->info("video_output_queue: 0x%x", video_output_queue);
info->info("audio_input_queue: 0x%x", audio_input_queue);
info->info("audio_output_queue: 0x%x", audio_output_queue);
block = new FrameVector();
num_frames_in_block = config->readString("frame_sequence")->length();
info->info("Frame sequence length %d", num_frames_in_block);
threads = config->readInt("encoding_threads");
movencodersrunning = true;
for(int cnt = 0; cnt < threads; cnt++) sem_post(&read_sem);
// Create the video encoders
for(int cnt = 0; cnt < threads; cnt++) {
MovEncoder *movenc = new MovEncoder(&movencodersrunning, &read_sem,
inputqueue,
video_output_queue,
audio_input_queue,
info);
movenc->run();
encs.push_back(movenc);
}
// Create the audio encoder
audioenc = new AudioEncoder(audio_input_queue,
audio_output_queue,
info);
audioenc->run();
// Create the multiplexer
writer = new MovEncoderWriter(clientip, cpr,
video_output_queue,
audio_output_queue,
info);
writer->run();
frame_number = 0;
}
//#include <unistd.h>
MovEncoderThread::~MovEncoderThread()
{
info->info("~MovEncoderThread");
// First we destroy the movie encoders
for(int cnt = 0; cnt < threads; cnt++) {
encs[cnt]->wait_stop(); // Wait for it to stop
delete encs[cnt]; // Delete it
}
info->info("Deleted the movie encoders");
// Then we destroy the audio encoder
audioenc->wait_stop(); // Wait for it to stop.
delete audioenc; // delete the audio encoder
info->info("Deleted the audio encoder");
// Finally we destroy the writer.
writer->wait_stop(); // Wait for it to stop.
delete writer; // delete the writer (end thereby close the file)
info->info("Deleted the writer");
// Destroy the semaphore.
sem_destroy(&read_sem);
info->info("~MovEncoderThread::done");
}
static int output = 0;
void MovEncoderThread::encode(Frame* frame)
{
if(output % 250 == 0) // 25 * 24
info->info("inputqueue: %d\tvideo_outputqueue: %d\taudio_inputqueue: %d\taudio_outputqueue: %d.",
inputqueue->size(),
video_output_queue->size(),
audio_input_queue->size(),
audio_output_queue->size());
output++;
if(frame == NULL) {
info->info("MovEncoderThread::encode - NULL frame detected.");
// Terminate
return;
}
frame->number = frame_number;
block->push_back(frame);
// Switch frame
if(block->size() == num_frames_in_block || frame->endOfFrameStream == true) {
// Wait until a free encoder.
sem_wait(&read_sem);
inputqueue->push(block);
// Start new block
block = new FrameVector;
}
frame_number ++;
}
void MovEncoderThread::setSaveState(n_savestate savestate)
{
writer->setSaveState(savestate);
}
|
