#include <WavPause.h>
Collaboration diagram for WavPause:
Public Methods | |
| WavPause () | |
| virtual void | initServer () |
| virtual void | processServer () |
| int | get_exit_value () const |
| void | set_exit_value (int v_) |
Private Methods | |
| int | read_input_file () |
Private Attributes | |
| info | m_info |
| string | m_output_file |
| string | m_input_file |
| int | m_exit_value |
| bool | m_percent |
| double | m_duration |
| int | m_multiplier |
| bool | m_relative |
Static Private Attributes | |
| const unsigned short int | FRAME_BUFFER_SIZE = USHRT_MAX |
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Definition at line 54 of file WavPause.cpp. References m_duration, m_input_file, m_multiplier, m_output_file, and m_percent.
00055 : m_exit_value (0), 00056 m_percent (false), 00057 m_duration (-1), 00058 m_multiplier (2), // default 00059 m_relative (true) // default 00060 { 00061 // ---Configuration--- 00062 rm_opt ('f', "config-file" ); 00063 rm_opt ('n', "instance" ); 00064 rm_opt ('p', "port" ); 00065 00066 // ---Process bookkeeping--- 00067 rm_opt ('b', "daemon" ); 00068 rm_opt ('l', "pidfile" ); 00069 rm_opt ('L', "ommit-pidfile"); 00070 00071 // Default debugging is total silence 00072 m_log_file = "/dev/null"; 00073 m_debug_mask = 0; 00074 00075 // ---Project-specific--- 00076 add_opt ('o', "output-file", &m_output_file); 00077 add_opt ('i', "input-file", &m_input_file); 00078 add_opt ('l', "duration", &m_duration); 00079 add_opt ('M', "multiplier", &m_multiplier); 00080 00081 add_flag_opt ('p', "percent", &m_percent); 00082 } |
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Definition at line 74 of file WavPause.h. References m_exit_value. Referenced by main.
00074 { return m_exit_value; }
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Definition at line 85 of file WavPause.cpp. References m_duration, m_multiplier, and m_relative. Referenced by main.
00086 {
00087 trace("WavPause::initServer");
00088 ASSA::Log::disable_timestamp ();
00089
00090 if (m_duration > 0) {
00091 m_relative = false; // absolute
00092 DL((TRACE,"Absolute mode is enabled\n"));
00093 DL((TRACE,"Duration = %5.2f seconds\n", m_duration));
00094 }
00095 else {
00096 DL((TRACE,"Relative mode is enabled\n"));
00097 DL((TRACE,"Multiplier = %dx\n", m_multiplier));
00098 }
00099 DL((APP,"Service has been initialized\n"));
00100 }
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Definition at line 103 of file WavPause.cpp. References info::channel_count, FRAME_BUFFER_SIZE, info::frame_size, info::in_file_format, m_duration, m_info, m_input_file, m_multiplier, m_output_file, read_input_file, info::sample_format, info::sample_rate, info::sample_width, set_exit_value, and info::total_frames. Referenced by main.
00104 {
00105 trace("WavPause::processServer");
00106
00107 if (stopServer ()) {
00108 return;
00109 }
00110
00111 /*------------------------------------------------------------------------
00112 * Initialize audio parameters
00113 *------------------------------------------------------------------------*/
00114 if (m_relative) {
00115 if (read_input_file () == -1) {
00116 DL((APP,"Failed reading input file\n"));
00117 set_exit_value (1);
00118 return;
00119 }
00120 }
00121 /*------------------------------------------------------------------------
00122 * Setup audio parameters for output stream
00123 *------------------------------------------------------------------------*/
00124 AFfilesetup out_file_setup = afNewFileSetup ();
00125
00126 // Configure the file format parameter in an AFfilesetup.
00127 // AF_FILE_WAV: Waveform RIFF.
00128
00129 afInitFileFormat (out_file_setup, m_info.in_file_format);
00130
00131 // Mine is 2-bit integer (2's compliment) little endian
00132 afInitSampleFormat (out_file_setup, AF_DEFAULT_TRACK,
00133 m_info.sample_format, m_info.sample_width);
00134
00135 // Number of channels: 2-stereo
00136 afInitChannels (out_file_setup, AF_DEFAULT_TRACK, m_info.channel_count);
00137
00138 // Rate: 44100 Hz
00139 afInitRate (out_file_setup, AF_DEFAULT_TRACK, m_info.sample_rate);
00140
00141 // Use default name if it is not specified with --output option
00142 if (m_output_file.size () == 0) {
00143 m_output_file = m_input_file;
00144 m_output_file.replace (m_output_file.find ('.'),
00145 m_output_file.size (),
00146 "_pause.wav");
00147 }
00148
00149 /*------------------------------------------------------------------------
00150 * Generate pause file
00151 *------------------------------------------------------------------------*/
00152
00153 DL((APP,"Output file: \"%s\"\n", m_output_file.c_str ()));
00154 unlink (m_output_file.c_str ());
00155
00156 AFfilehandle out_file;
00157
00158 out_file = afOpenFile (m_output_file.c_str (), "w", out_file_setup);
00159
00160 if (out_file == AF_NULL_FILEHANDLE) {
00161 EL((ERROR,"Could not open file \"%s\" for writing\n",
00162 m_output_file.c_str ()));
00163 set_exit_value (1);
00164 return;
00165 }
00166 // Set the output file's virtual audio format parameters
00167
00168 afSetVirtualChannels (out_file, AF_DEFAULT_TRACK,
00169 m_info.channel_count);
00170 afSetVirtualSampleFormat (out_file, AF_DEFAULT_TRACK,
00171 m_info.sample_format, m_info.sample_width);
00172 afFreeFileSetup (out_file_setup);
00173
00174 char* frame_buffer = new char [m_info.frame_size * FRAME_BUFFER_SIZE];
00175 memset (frame_buffer, 0, m_info.frame_size * FRAME_BUFFER_SIZE);
00176
00177 DL((APP,"frame_size = %d\n", m_info.frame_size));
00178 DL((APP,"total_frames = %d\n", m_info.total_frames));
00179
00180 int frames_count = 0;
00181 int frames_write = 0;
00182 int frames_written = 0;
00183 bool aborted = false;
00184
00185 if (m_relative) { // Output lenght is a multiple of input
00186 m_info.total_frames *= m_multiplier;
00187 }
00188 else { // Output lenght is in seconds
00189 m_info.total_frames = long (m_info.sample_rate * m_duration);
00190 }
00191
00192 DL((APP,"Recalculated total_frames = %d\n", m_info.total_frames));
00193
00194 frames_write = m_info.total_frames > FRAME_BUFFER_SIZE ?
00195 FRAME_BUFFER_SIZE : m_info.total_frames;
00196
00197 while (frames_count < m_info.total_frames) {
00198 frames_written = afWriteFrames (out_file, AF_DEFAULT_TRACK,
00199 frame_buffer, frames_write);
00200 if (frames_written < 0) {
00201 aborted = true;
00202 break;
00203 }
00204 frames_count += frames_written;
00205 if (m_info.total_frames - frames_count < FRAME_BUFFER_SIZE) {
00206 frames_write = m_info.total_frames - frames_count;
00207 }
00208 if (m_percent) { // Report percentage completed so far
00209 std::cout << long (frames_count * 100 / m_info.total_frames)
00210 << std::endl;
00211 }
00212 }
00213 if (aborted) {
00214 DL((APP,"afWriteFrames() failed\n"));
00215 set_exit_value (1);
00216 }
00217
00218 delete [] frame_buffer;
00219 afCloseFile (out_file);
00220
00221 m_reactor.stopReactor ();
00222 DL((APP,"Service stopped!\n"));
00223 }
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Definition at line 227 of file WavPause.cpp. References info::channel_count, info::dump, info::frame_size, info::in_file_format, m_info, m_input_file, info::sample_format, info::sample_rate, info::sample_width, set_exit_value, info::total_frames, and info::version. Referenced by processServer.
00228 {
00229 trace("WavPause::read_input_file");
00230
00231 AFfilehandle in_file;
00232
00233 in_file = afOpenFile (m_input_file.c_str (), "r", NULL);
00234
00235 if (in_file == NULL) {
00236 EL((ERROR,"File \"%s\" open error\n", m_input_file.c_str ()));
00237 set_exit_value (1);
00238 return -1;
00239 }
00240
00241 afGetSampleFormat(in_file, AF_DEFAULT_TRACK,
00242 &m_info.sample_format, &m_info.sample_width);
00243
00244 m_info.in_file_format = afGetFileFormat (in_file, &m_info.version);
00245 m_info.channel_count = afGetChannels (in_file, AF_DEFAULT_TRACK);
00246 m_info.sample_rate = afGetRate (in_file, AF_DEFAULT_TRACK);
00247 m_info.total_frames = afGetFrameCount (in_file, AF_DEFAULT_TRACK);
00248 m_info.frame_size =
00249 (int) afGetVirtualFrameSize (in_file, AF_DEFAULT_TRACK, 1);
00250
00251 DL((APP,"== Input File info ==\n"));
00252 m_info.dump ();
00253
00254 afCloseFile (in_file);
00255 return 0;
00256 }
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Definition at line 97 of file WavPause.h. References m_exit_value. Referenced by processServer, and read_input_file.
00098 {
00099 m_exit_value = v_;
00100 setStopServerFlag ();
00101 }
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Definition at line 29 of file WavPause.cpp. Referenced by processServer. |
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Definition at line 89 of file WavPause.h. Referenced by initServer, processServer, and WavPause. |
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Definition at line 87 of file WavPause.h. Referenced by get_exit_value, and set_exit_value. |
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Definition at line 83 of file WavPause.h. Referenced by processServer, and read_input_file. |
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Definition at line 85 of file WavPause.h. Referenced by processServer, read_input_file, and WavPause. |
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Definition at line 90 of file WavPause.h. Referenced by initServer, processServer, and WavPause. |
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Definition at line 84 of file WavPause.h. Referenced by processServer, and WavPause. |
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Definition at line 88 of file WavPause.h. Referenced by WavPause. |
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Definition at line 91 of file WavPause.h. Referenced by initServer. |
1.2.14 written by Dimitri van Heesch,
© 1997-2002