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
|
// ------------------------------------------------------------------------
// audioio-raw.cpp: Raw/headerless audio file format input/output
// Copyright (C) 1999-2001 Kai Vehmanen
//
// 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// ------------------------------------------------------------------------
#include <cmath>
#include <string>
#include <cstring>
#include <cstdio>
#include <cassert>
#include <sys/stat.h>
#include <unistd.h>
#include "audioio-buffered.h"
#include "audioio-raw.h"
#include "eca-error.h"
#include "eca-logger.h"
RAWFILE::RAWFILE(const std::string& name)
{
set_label(name);
fio_repp = 0;
mmaptoggle_rep = "0";
}
RAWFILE::~RAWFILE(void)
{
if (is_open() == true) {
close();
}
}
RAWFILE* RAWFILE::clone(void) const
{
RAWFILE* target = new RAWFILE();
for(int n = 0; n < number_of_params(); n++) {
target->set_parameter(n + 1, get_parameter(n + 1));
}
return(target);
}
/**
* Opens the raw audio i/o device.
*
* Note! Cases where label() matches either "stdin", "stdout"
* or "stderr" are handled as special cases.
*/
void RAWFILE::open(void) throw (AUDIO_IO::SETUP_ERROR &)
{
switch(io_mode()) {
case io_read:
{
if (label() == "stdin" || label().at(0) == '-') {
fio_repp = new ECA_FILE_IO_STREAM();
fio_repp->open_stdin();
}
else {
if (mmaptoggle_rep == "1") {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "(audioio-wave) using mmap() mode for file access");
fio_repp = new ECA_FILE_IO_MMAP();
}
else fio_repp = new ECA_FILE_IO_STREAM();
fio_repp->open_file(label(),"rb");
if (fio_repp->is_file_ready() != true) {
throw(SETUP_ERROR(SETUP_ERROR::io_mode, "AUDIOIO-RAW: Couldn't open file " + label() + " for reading."));
}
}
break;
}
case io_write:
{
fio_repp = new ECA_FILE_IO_STREAM();
if (label() == "stdout" || label().at(0) == '-') {
std::cerr << "(audioio-raw) Outputting to standard output [w].\n";
fio_repp->open_stdout();
}
else if (label() == "stderr" || label().at(0) == '-') {
fio_repp->open_stderr();
}
else {
fio_repp->open_file(label(),"wb");
if (fio_repp->is_file_ready() != true) {
throw(SETUP_ERROR(SETUP_ERROR::io_mode, "AUDIOIO-RAW: Couldn't open file " + label() + " for writing."));
}
}
break;
}
case io_readwrite:
{
fio_repp = new ECA_FILE_IO_STREAM();
if (label() == "stdout" || label().at(0) == '-') {
std::cerr << "(audioio-raw) Outputting to standard output [rw].\n";
fio_repp->open_stdout();
}
else {
fio_repp->open_file(label(),"r+b");
if (fio_repp->file_mode() == "") {
fio_repp->open_file(label(),"w+b");
if (fio_repp->is_file_ready() != true) {
throw(SETUP_ERROR(SETUP_ERROR::io_mode, "AUDIOIO-RAW: Couldn't open file " + label() + " for read&write."));
}
}
}
}
}
set_length_in_bytes();
AUDIO_IO::open();
}
void RAWFILE::close(void)
{
if (fio_repp != 0) {
fio_repp->close_file();
delete fio_repp;
fio_repp = 0;
}
AUDIO_IO::close();
}
bool RAWFILE::finished(void) const
{
if (fio_repp->is_file_error() ||
!fio_repp->is_file_ready())
return true;
return false;
}
long int RAWFILE::read_samples(void* target_buffer, long int samples)
{
fio_repp->read_to_buffer(target_buffer, frame_size() * samples);
return(fio_repp->file_bytes_processed() / frame_size());
}
void RAWFILE::write_samples(void* target_buffer, long int samples)
{
fio_repp->write_from_buffer(target_buffer, frame_size() * samples);
}
SAMPLE_SPECS::sample_pos_t RAWFILE::seek_position(SAMPLE_SPECS::sample_pos_t pos)
{
if (is_open() == true) {
fio_repp->set_file_position(pos * frame_size());
}
return pos;
}
void RAWFILE::set_length_in_bytes(void)
{
set_length_in_samples(fio_repp->get_file_length() / frame_size());
}
void RAWFILE::set_parameter(int param,
string value)
{
switch (param) {
case 1:
set_label(value);
break;
case 2:
mmaptoggle_rep = value;
break;
}
}
string RAWFILE::get_parameter(int param) const
{
switch (param) {
case 1:
return(label());
case 2:
return(mmaptoggle_rep);
}
return("");
}
|
