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jack2/solaris/oss/JackBoomerDriver.cpp

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  1. /*

  2. Copyright (C) 2009 Grame

  3. 

  4. This program is free software; you can redistribute it and/or modify

  5. it under the terms of the GNU General Public License as published by

  6. the Free Software Foundation; either version 2 of the License, or

  7. (at your option) any later version.

  8. 

  9. This program is distributed in the hope that it will be useful,

  10. but WITHOUT ANY WARRANTY; without even the implied warranty of

  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  12. GNU General Public License for more details.

  13. 

  14. You should have received a copy of the GNU General Public License

  15. along with this program; if not, write to the Free Software

  16. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

  17. 

  18. */

  19. 

  20. #include "driver_interface.h"

  21. #include "JackThreadedDriver.h"

  22. #include "JackDriverLoader.h"

  23. #include "JackBoomerDriver.h"

  24. #include "JackEngineControl.h"

  25. #include "JackGraphManager.h"

  26. #include "JackError.h"

  27. #include "JackTime.h"

  28. #include "JackShmMem.h"

  29. #include "JackGlobals.h"

  30. #include "memops.h"

  31. 

  32. #include <sys/ioctl.h>

  33. #include <sys/soundcard.h>

  34. #include <fcntl.h>

  35. #include <iostream>

  36. #include <assert.h>

  37. #include <stdio.h>

  38. 

  39. using namespace std;

  40. 

  41. namespace Jack

  42. {

  43. 

  44. #ifdef JACK_MONITOR

  45. 

  46. #define CYCLE_POINTS 500000

  47. 

  48. struct OSSCycle {

  49.     jack_time_t fBeforeRead;

  50.     jack_time_t fAfterRead;

  51.     jack_time_t fAfterReadConvert;

  52.     jack_time_t fBeforeWrite;

  53.     jack_time_t fAfterWrite;

  54.     jack_time_t fBeforeWriteConvert;

  55. };

  56. 

  57. struct OSSCycleTable {

  58.     jack_time_t fBeforeFirstWrite;

  59.     jack_time_t fAfterFirstWrite;

  60.     OSSCycle fTable[CYCLE_POINTS];

  61. };

  62. 

  63. OSSCycleTable gCycleTable;

  64. int gCycleReadCount = 0;

  65. int gCycleWriteCount = 0;

  66. 

  67. #endif

  68. 

  69. inline int int2pow2(int x)	{ int r = 0; while ((1 << r) < x) r++; return r; }

  70. 

  71. static inline void CopyAndConvertIn(jack_sample_t *dst, void *src, size_t nframes, int channel, int byte_skip, int bits)

  72. {

  73.     switch (bits) {

  74. 

  75. 		case 16: {

  76. 		    signed short *s16src = (signed short*)src;

  77.             s16src += channel;

  78.             sample_move_dS_s16(dst, (char*)s16src, nframes, byte_skip);

  79. 			break;

  80.         }

  81. 		case 24: {

  82. 			signed int *s32src = (signed int*)src;

  83.             s32src += channel;

  84.             sample_move_dS_s24(dst, (char*)s32src, nframes, byte_skip);

  85. 			break;

  86.         }

  87. 		case 32: {

  88. 			signed int *s32src = (signed int*)src;

  89.             s32src += channel;

  90.             sample_move_dS_s32u24(dst, (char*)s32src, nframes, byte_skip);

  91. 			break;

  92.         }

  93. 	}

  94. }

  95. 

  96. static inline void CopyAndConvertOut(void *dst, jack_sample_t *src, size_t nframes, int channel, int byte_skip, int bits)

  97. {

  98. 	switch (bits) {

  99. 

  100. 		case 16: {

  101. 			signed short *s16dst = (signed short*)dst;

  102.             s16dst += channel;

  103.             sample_move_d16_sS((char*)s16dst, src, nframes, byte_skip, NULL); // No dithering for now...

  104. 			break;

  105.         }

  106. 		case 24: {

  107. 			signed int *s32dst = (signed int*)dst;

  108.             s32dst += channel;

  109.             sample_move_d24_sS((char*)s32dst, src, nframes, byte_skip, NULL);

  110. 			break;

  111.         }

  112. 		case 32: {

  113.             signed int *s32dst = (signed int*)dst;

  114.             s32dst += channel;

  115.             sample_move_d32u24_sS((char*)s32dst, src, nframes, byte_skip, NULL);

  116. 			break;

  117.         }

  118. 	}

  119. }

  120. 

  121. void JackBoomerDriver::SetSampleFormat()

  122. {

  123.     switch (fBits) {

  124. 

  125. 	    case 24:	/* native-endian LSB aligned 24-bits in 32-bits integer */

  126.             fSampleFormat = AFMT_S24_NE;

  127.             fSampleSize = 4;

  128. 			break;

  129. 		case 32:	/* native-endian 32-bit integer */

  130.             fSampleFormat = AFMT_S32_NE;

  131.             fSampleSize = 4;

  132. 			break;

  133. 		case 16:	/* native-endian 16-bit integer */

  134. 		default:

  135.             fSampleFormat = AFMT_S16_NE;

  136.             fSampleSize = 2;

  137. 			break;

  138.     }

  139. }

  140. 

  141. void JackBoomerDriver::DisplayDeviceInfo()

  142. {

  143.     audio_buf_info info;

  144.     oss_audioinfo ai_in, ai_out;

  145.     memset(&info, 0, sizeof(audio_buf_info));

  146.     int cap = 0;

  147. 

  148.     // Duplex cards : http://manuals.opensound.com/developer/full_duplex.html

  149.     jack_info("Audio Interface Description :");

  150.     jack_info("Sampling Frequency : %d, Sample Format : %d, Mode : %d", fEngineControl->fSampleRate, fSampleFormat, fRWMode);

  151. 

  152.     if (fRWMode & kWrite) {

  153. 

  154.         oss_sysinfo si;

  155.         if (ioctl(fOutFD, OSS_SYSINFO, &si) == -1) {

  156.             jack_error("JackBoomerDriver::DisplayDeviceInfo OSS_SYSINFO failed : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  157.         } else {

  158.             jack_info("OSS product %s", si.product);

  159.             jack_info("OSS version %s", si.version);

  160.             jack_info("OSS version num %d", si.versionnum);

  161.             jack_info("OSS numaudios %d", si.numaudios);

  162.             jack_info("OSS numaudioengines %d", si.numaudioengines);

  163.             jack_info("OSS numcards %d", si.numcards);

  164.         }

  165. 

  166.         jack_info("Output capabilities - %d channels : ", fPlaybackChannels);

  167.         jack_info("Output block size = %d", fOutputBufferSize);

  168. 

  169.         if (ioctl(fOutFD, SNDCTL_DSP_GETOSPACE, &info) == -1)  {

  170.             jack_error("JackBoomerDriver::DisplayDeviceInfo SNDCTL_DSP_GETOSPACE failed : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  171.         } else {

  172.             jack_info("output space info: fragments = %d, fragstotal = %d, fragsize = %d, bytes = %d",

  173.                 info.fragments, info.fragstotal, info.fragsize, info.bytes);

  174.             fFragmentSize = info.fragsize;

  175.         }

  176. 

  177.         if (ioctl(fOutFD, SNDCTL_DSP_GETCAPS, &cap) == -1)  {

  178.             jack_error("JackBoomerDriver::DisplayDeviceInfo SNDCTL_DSP_GETCAPS failed : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  179.         } else {

  180.             if (cap & DSP_CAP_DUPLEX) 	jack_info(" DSP_CAP_DUPLEX");

  181.             if (cap & DSP_CAP_REALTIME) jack_info(" DSP_CAP_REALTIME");

  182.             if (cap & DSP_CAP_BATCH) 	jack_info(" DSP_CAP_BATCH");

  183.             if (cap & DSP_CAP_COPROC) 	jack_info(" DSP_CAP_COPROC");

  184.             if (cap & DSP_CAP_TRIGGER)  jack_info(" DSP_CAP_TRIGGER");

  185.             if (cap & DSP_CAP_MMAP) 	jack_info(" DSP_CAP_MMAP");

  186.             if (cap & DSP_CAP_MULTI) 	jack_info(" DSP_CAP_MULTI");

  187.             if (cap & DSP_CAP_BIND) 	jack_info(" DSP_CAP_BIND");

  188.         }

  189.     }

  190. 

  191.     if (fRWMode & kRead) {

  192. 

  193.       	oss_sysinfo si;

  194.         if (ioctl(fInFD, OSS_SYSINFO, &si) == -1) {

  195.             jack_error("JackBoomerDriver::DisplayDeviceInfo OSS_SYSINFO failed : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  196.         } else {

  197.             jack_info("OSS product %s", si.product);

  198.             jack_info("OSS version %s", si.version);

  199.             jack_info("OSS version num %d", si.versionnum);

  200.             jack_info("OSS numaudios %d", si.numaudios);

  201.             jack_info("OSS numaudioengines %d", si.numaudioengines);

  202.             jack_info("OSS numcards %d", si.numcards);

  203.         }

  204. 

  205.         jack_info("Input capabilities - %d channels : ", fCaptureChannels);

  206.         jack_info("Input block size = %d", fInputBufferSize);

  207. 

  208.         if (ioctl(fInFD, SNDCTL_DSP_GETISPACE, &info) == -1) {

  209.             jack_error("JackBoomerDriver::DisplayDeviceInfo SNDCTL_DSP_GETOSPACE failed : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  210.         } else {

  211.             jack_info("input space info: fragments = %d, fragstotal = %d, fragsize = %d, bytes = %d",

  212.                 info.fragments, info.fragstotal, info.fragsize, info.bytes);

  213.         }

  214. 

  215.         if (ioctl(fInFD, SNDCTL_DSP_GETCAPS, &cap) == -1) {

  216.             jack_error("JackBoomerDriver::DisplayDeviceInfo SNDCTL_DSP_GETCAPS failed : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  217.         } else {

  218.             if (cap & DSP_CAP_DUPLEX) 	jack_info(" DSP_CAP_DUPLEX");

  219.             if (cap & DSP_CAP_REALTIME) jack_info(" DSP_CAP_REALTIME");

  220.             if (cap & DSP_CAP_BATCH) 	jack_info(" DSP_CAP_BATCH");

  221.             if (cap & DSP_CAP_COPROC) 	jack_info(" DSP_CAP_COPROC");

  222.             if (cap & DSP_CAP_TRIGGER)  jack_info(" DSP_CAP_TRIGGER");

  223.             if (cap & DSP_CAP_MMAP) 	jack_info(" DSP_CAP_MMAP");

  224.             if (cap & DSP_CAP_MULTI) 	jack_info(" DSP_CAP_MULTI");

  225.             if (cap & DSP_CAP_BIND) 	jack_info(" DSP_CAP_BIND");

  226.         }

  227.     }

  228. 

  229.     if (ai_in.rate_source != ai_out.rate_source) {

  230.         jack_info("Warning : input and output are not necessarily driven by the same clock!");

  231.     }

  232. }

  233. 

  234. JackBoomerDriver::JackBoomerDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)

  235.                                 : JackAudioDriver(name, alias, engine, table),

  236.                                 fInFD(-1), fOutFD(-1), fBits(0),

  237.                                 fSampleFormat(0), fNperiods(0), fSampleSize(0), fFragmentSize(0),

  238.                                 fRWMode(0), fExcl(false), fSyncIO(false),

  239.                                 fInputBufferSize(0), fOutputBufferSize(0),

  240.                                 fInputBuffer(NULL), fOutputBuffer(NULL),

  241.                                 fInputThread(&fInputHandler), fOutputThread(&fOutputHandler),

  242.                                 fInputHandler(this), fOutputHandler(this)

  243. {

  244.     sem_init(&fReadSema, 0, 0);

  245.     sem_init(&fWriteSema, 0, 0);

  246. }

  247. 

  248. JackBoomerDriver::~JackBoomerDriver()

  249. {

  250.     sem_destroy(&fReadSema);

  251.     sem_destroy(&fWriteSema);

  252. }

  253. 

  254. int JackBoomerDriver::OpenInput()

  255. {

  256.     int flags = 0;

  257.     int gFragFormat;

  258.     int cur_capture_channels;

  259.     int cur_sample_format;

  260.     jack_nframes_t cur_sample_rate;

  261. 

  262.     if (fCaptureChannels == 0)

  263.         fCaptureChannels = 2;

  264. 

  265.     if ((fInFD = open(fCaptureDriverName, O_RDONLY | ((fExcl) ? O_EXCL : 0))) < 0) {

  266.         jack_error("JackBoomerDriver::OpenInput failed to open device : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  267.         return -1;

  268.     }

  269. 

  270.     jack_log("JackBoomerDriver::OpenInput input fInFD = %d", fInFD);

  271. 

  272.     if (fExcl) {

  273.         if (ioctl(fInFD, SNDCTL_DSP_COOKEDMODE, &flags) == -1) {

  274.             jack_error("JackBoomerDriver::OpenInput failed to set cooked mode : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  275.             goto error;

  276.         }

  277.     }

  278. 

  279.     gFragFormat = (2 << 16) + int2pow2(fEngineControl->fBufferSize * fSampleSize * fCaptureChannels);

  280.     if (ioctl(fInFD, SNDCTL_DSP_SETFRAGMENT, &gFragFormat) == -1) {

  281.         jack_error("JackBoomerDriver::OpenInput failed to set fragments : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  282.         goto error;

  283.     }

  284. 

  285.     cur_sample_format = fSampleFormat;

  286.     if (ioctl(fInFD, SNDCTL_DSP_SETFMT, &fSampleFormat) == -1) {

  287.         jack_error("JackBoomerDriver::OpenInput failed to set format : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  288.         goto error;

  289.     }

  290.     if (cur_sample_format != fSampleFormat) {

  291.         jack_info("JackBoomerDriver::OpenInput driver forced the sample format %ld", fSampleFormat);

  292.     }

  293. 

  294.     cur_capture_channels = fCaptureChannels;

  295.     if (ioctl(fInFD, SNDCTL_DSP_CHANNELS, &fCaptureChannels) == -1) {

  296.         jack_error("JackBoomerDriver::OpenInput failed to set channels : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  297.         goto error;

  298.     }

  299.     if (cur_capture_channels != fCaptureChannels) {

  300.         jack_info("JackBoomerDriver::OpenInput driver forced the number of capture channels %ld", fCaptureChannels);

  301.     }

  302. 

  303.     cur_sample_rate = fEngineControl->fSampleRate;

  304.     if (ioctl(fInFD, SNDCTL_DSP_SPEED, &fEngineControl->fSampleRate) == -1) {

  305.         jack_error("JackBoomerDriver::OpenInput failed to set sample rate : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  306.         goto error;

  307.     }

  308.     if (cur_sample_rate != fEngineControl->fSampleRate) {

  309.         jack_info("JackBoomerDriver::OpenInput driver forced the sample rate %ld", fEngineControl->fSampleRate);

  310.     }

  311. 

  312.     // Just set the read size to the value we want...

  313.     fInputBufferSize = fEngineControl->fBufferSize * fSampleSize * fCaptureChannels;

  314. 

  315.     fInputBuffer = (void*)calloc(fInputBufferSize, 1);

  316.     assert(fInputBuffer);

  317.     return 0;

  318. 

  319. error:

  320.     ::close(fInFD);

  321.     return -1;

  322. }

  323. 

  324. int JackBoomerDriver::OpenOutput()

  325. {

  326.     int flags = 0;

  327.     int gFragFormat;

  328.     int cur_sample_format;

  329.     int cur_playback_channels;

  330.     jack_nframes_t cur_sample_rate;

  331. 

  332.     if (fPlaybackChannels == 0)

  333.         fPlaybackChannels = 2;

  334. 

  335.     if ((fOutFD = open(fPlaybackDriverName, O_WRONLY | ((fExcl) ? O_EXCL : 0))) < 0) {

  336.        jack_error("JackBoomerDriver::OpenOutput failed to open device : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  337.        return -1;

  338.     }

  339. 

  340.     jack_log("JackBoomerDriver::OpenOutput output fOutFD = %d", fOutFD);

  341. 

  342.     if (fExcl) {

  343.         if (ioctl(fOutFD, SNDCTL_DSP_COOKEDMODE, &flags) == -1) {

  344.             jack_error("JackBoomerDriver::OpenOutput failed to set cooked mode : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  345.             goto error;

  346.         }

  347.     }

  348. 

  349.     gFragFormat = (2 << 16) + int2pow2(fEngineControl->fBufferSize * fSampleSize * fPlaybackChannels);

  350.     if (ioctl(fOutFD, SNDCTL_DSP_SETFRAGMENT, &gFragFormat) == -1) {

  351.         jack_error("JackBoomerDriver::OpenOutput failed to set fragments : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  352.         goto error;

  353.     }

  354. 

  355.     cur_sample_format = fSampleFormat;

  356.     if (ioctl(fOutFD, SNDCTL_DSP_SETFMT, &fSampleFormat) == -1) {

  357.         jack_error("JackBoomerDriver::OpenOutput failed to set format : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  358.         goto error;

  359.     }

  360.     if (cur_sample_format != fSampleFormat) {

  361.         jack_info("JackBoomerDriver::OpenOutput driver forced the sample format %ld", fSampleFormat);

  362.     }

  363. 

  364.     cur_playback_channels = fPlaybackChannels;

  365.     if (ioctl(fOutFD, SNDCTL_DSP_CHANNELS, &fPlaybackChannels) == -1) {

  366.         jack_error("JackBoomerDriver::OpenOutput failed to set channels : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  367.         goto error;

  368.     }

  369.     if (cur_playback_channels != fPlaybackChannels) {

  370.         jack_info("JackBoomerDriver::OpenOutput driver forced the number of playback channels %ld", fPlaybackChannels);

  371.     }

  372. 

  373.     cur_sample_rate = fEngineControl->fSampleRate;

  374.     if (ioctl(fOutFD, SNDCTL_DSP_SPEED, &fEngineControl->fSampleRate) == -1) {

  375.         jack_error("JackBoomerDriver::OpenOutput failed to set sample rate : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  376.         goto error;

  377.     }

  378.     if (cur_sample_rate != fEngineControl->fSampleRate) {

  379.         jack_info("JackBoomerDriver::OpenInput driver forced the sample rate %ld", fEngineControl->fSampleRate);

  380.     }

  381. 

  382.     // Just set the write size to the value we want...

  383.     fOutputBufferSize = fEngineControl->fBufferSize * fSampleSize * fPlaybackChannels;

  384. 

  385.     fOutputBuffer = (void*)calloc(fOutputBufferSize, 1);

  386.     assert(fOutputBuffer);

  387.     return 0;

  388. 

  389. error:

  390.     ::close(fOutFD);

  391.     return -1;

  392. }

  393. 

  394. int JackBoomerDriver::Open(jack_nframes_t nframes,

  395.                           int user_nperiods,

  396.                           jack_nframes_t samplerate,

  397.                           bool capturing,

  398.                           bool playing,

  399.                           int inchannels,

  400.                           int outchannels,

  401.                           bool excl,

  402.                           bool monitor,

  403.                           const char* capture_driver_uid,

  404.                           const char* playback_driver_uid,

  405.                           jack_nframes_t capture_latency,

  406.                           jack_nframes_t playback_latency,

  407.                           int bits, bool syncio)

  408. {

  409.     // Generic JackAudioDriver Open

  410.     if (JackAudioDriver::Open(nframes, samplerate, capturing, playing, inchannels, outchannels, monitor,

  411.         capture_driver_uid, playback_driver_uid, capture_latency, playback_latency) != 0) {

  412.         return -1;

  413.     } else {

  414. 

  415.         if (!fEngineControl->fSyncMode) {

  416.             jack_error("Cannot run in asynchronous mode, use the -S parameter for jackd");

  417.             return -1;

  418.         }

  419. 

  420.         fRWMode |= ((capturing) ? kRead : 0);

  421.         fRWMode |= ((playing) ? kWrite : 0);

  422.         fBits = bits;

  423.         fExcl = excl;

  424.         fNperiods = (user_nperiods == 0) ? 1 : user_nperiods ;

  425.         fSyncIO = syncio;

  426. 

  427.     #ifdef JACK_MONITOR

  428.         // Force memory page in

  429.         memset(&gCycleTable, 0, sizeof(gCycleTable));

  430.     #endif

  431. 

  432.         if (OpenAux() < 0) {

  433.             Close();

  434.             return -1;

  435.         } else {

  436.             return 0;

  437.         }

  438.     }

  439. }

  440. 

  441. int JackBoomerDriver::Close()

  442. {

  443.  #ifdef JACK_MONITOR

  444.     FILE* file = fopen("OSSProfiling.log", "w");

  445. 

  446.     if (file) {

  447.         jack_info("Writing OSS driver timing data....");

  448.         for (int i = 1; i < std::min(gCycleReadCount, gCycleWriteCount); i++) {

  449.             int d1 = gCycleTable.fTable[i].fAfterRead - gCycleTable.fTable[i].fBeforeRead;

  450.             int d2 = gCycleTable.fTable[i].fAfterReadConvert - gCycleTable.fTable[i].fAfterRead;

  451.             int d3 = gCycleTable.fTable[i].fAfterWrite - gCycleTable.fTable[i].fBeforeWrite;

  452.             int d4 = gCycleTable.fTable[i].fBeforeWrite - gCycleTable.fTable[i].fBeforeWriteConvert;

  453.             fprintf(file, "%d \t %d \t %d \t %d \t \n", d1, d2, d3, d4);

  454.         }

  455.         fclose(file);

  456.     } else {

  457.         jack_error("JackBoomerDriver::Close : cannot open OSSProfiling.log file");

  458.     }

  459. 

  460.     file = fopen("TimingOSS.plot", "w");

  461. 

  462.     if (file == NULL) {

  463.         jack_error("JackBoomerDriver::Close cannot open TimingOSS.plot file");

  464.     } else {

  465. 

  466.         fprintf(file, "set grid\n");

  467.         fprintf(file, "set title \"OSS audio driver timing\"\n");

  468.         fprintf(file, "set xlabel \"audio cycles\"\n");

  469.         fprintf(file, "set ylabel \"usec\"\n");

  470.         fprintf(file, "plot \"OSSProfiling.log\" using 1 title \"Driver read wait\" with lines, \

  471.                             \"OSSProfiling.log\" using 2 title \"Driver read convert duration\" with lines, \

  472.                             \"OSSProfiling.log\" using 3 title \"Driver write wait\" with lines, \

  473.                             \"OSSProfiling.log\" using 4 title \"Driver write convert duration\" with lines\n");

  474. 

  475.         fprintf(file, "set output 'TimingOSS.pdf\n");

  476.         fprintf(file, "set terminal pdf\n");

  477. 

  478.         fprintf(file, "set grid\n");

  479.         fprintf(file, "set title \"OSS audio driver timing\"\n");

  480.         fprintf(file, "set xlabel \"audio cycles\"\n");

  481.         fprintf(file, "set ylabel \"usec\"\n");

  482.         fprintf(file, "plot \"OSSProfiling.log\" using 1 title \"Driver read wait\" with lines, \

  483.                             \"OSSProfiling.log\" using 2 title \"Driver read convert duration\" with lines, \

  484.                             \"OSSProfiling.log\" using 3 title \"Driver write wait\" with lines, \

  485.                             \"OSSProfiling.log\" using 4 title \"Driver write convert duration\" with lines\n");

  486. 

  487.         fclose(file);

  488.     }

  489.  #endif

  490.     int res = JackAudioDriver::Close();

  491.     CloseAux();

  492.     return res;

  493. }

  494. 

  495. int JackBoomerDriver::OpenAux()

  496. {

  497.     SetSampleFormat();

  498. 

  499.     if ((fRWMode & kRead) && (OpenInput() < 0)) {

  500.         return -1;

  501.     }

  502. 

  503.     if ((fRWMode & kWrite) && (OpenOutput() < 0)) {

  504.         return -1;

  505.     }

  506. 

  507.     DisplayDeviceInfo();

  508.     return 0;

  509. }

  510. 

  511. void JackBoomerDriver::CloseAux()

  512. {

  513.     if (fRWMode & kRead && fInFD >= 0) {

  514.         close(fInFD);

  515.         fInFD = -1;

  516.     }

  517. 

  518.     if (fRWMode & kWrite && fOutFD >= 0) {

  519.         close(fOutFD);

  520.         fOutFD = -1;

  521.     }

  522. 

  523.     if (fInputBuffer)

  524.         free(fInputBuffer);

  525.     fInputBuffer = NULL;

  526. 

  527.     if (fOutputBuffer)

  528.         free(fOutputBuffer);

  529.     fOutputBuffer = NULL;

  530. }

  531. 

  532. int JackBoomerDriver::Start()

  533. {

  534.     jack_log("JackBoomerDriver::Start");

  535.     JackAudioDriver::Start();

  536. 

  537.     // Input/output synchronisation

  538.     if (fInFD >= 0 && fOutFD >= 0 && fSyncIO) {

  539. 

  540.         jack_log("JackBoomerDriver::Start sync input/output");

  541. 

  542.         // Create and fill synch group

  543.         int id;

  544.         oss_syncgroup group;

  545.         group.id = 0;

  546. 

  547.         group.mode = PCM_ENABLE_INPUT;

  548.         if (ioctl(fInFD, SNDCTL_DSP_SYNCGROUP, &group) == -1)

  549.             jack_error("JackBoomerDriver::Start failed to use SNDCTL_DSP_SYNCGROUP : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  550. 

  551.         group.mode = PCM_ENABLE_OUTPUT;

  552.         if (ioctl(fOutFD, SNDCTL_DSP_SYNCGROUP, &group) == -1)

  553.             jack_error("JackBoomerDriver::Start failed to use SNDCTL_DSP_SYNCGROUP : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  554. 

  555.         // Prefill output buffer : 2 fragments of silence as described in http://manuals.opensound.com/developer/synctest.c.html#LOC6

  556.         char* silence_buf = (char*)malloc(fFragmentSize);

  557.         memset(silence_buf, 0, fFragmentSize);

  558. 

  559.         jack_log ("JackBoomerDriver::Start prefill size = %d", fFragmentSize);

  560. 

  561.         for (int i = 0; i < 2; i++) {

  562.             ssize_t count = ::write(fOutFD, silence_buf, fFragmentSize);

  563.             if (count < (int)fFragmentSize) {

  564.                 jack_error("JackBoomerDriver::Start error bytes written = %ld", count);

  565.             }

  566.         }

  567. 

  568.         free(silence_buf);

  569. 

  570.         // Start input/output in sync

  571.         id = group.id;

  572. 

  573.         if (ioctl(fInFD, SNDCTL_DSP_SYNCSTART, &id) == -1)

  574.             jack_error("JackBoomerDriver::Start failed to use SNDCTL_DSP_SYNCSTART : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  575. 

  576.     } else if (fOutFD >= 0) {

  577. 

  578.         // Maybe necessary to write an empty output buffer first time : see http://manuals.opensound.com/developer/fulldup.c.html

  579.         memset(fOutputBuffer, 0, fOutputBufferSize);

  580. 

  581.         // Prefill ouput buffer

  582.         for (int i = 0; i < fNperiods; i++) {

  583.             ssize_t count = ::write(fOutFD, fOutputBuffer, fOutputBufferSize);

  584.             if (count < (int)fOutputBufferSize) {

  585.                 jack_error("JackBoomerDriver::Start error bytes written = %ld", count);

  586.             }

  587.         }

  588.     }

  589. 

  590.     // Start input thread only when needed

  591.     if (fInFD >= 0) {

  592.         if (fInputThread.StartSync() < 0) {

  593.             jack_error("Cannot start input thread");

  594.             return -1;

  595.         }

  596.     }

  597. 

  598.     // Start output thread only when needed

  599.     if (fOutFD >= 0) {

  600.         if (fOutputThread.StartSync() < 0) {

  601.             jack_error("Cannot start output thread");

  602.             return -1;

  603.         }

  604.     }

  605. 

  606.     return 0;

  607. }

  608. 

  609. int JackBoomerDriver::Stop()

  610. {

  611.     // Stop input thread only when needed

  612.     if (fInFD >= 0) {

  613.         fInputThread.Kill();

  614.     }

  615. 

  616.     // Stop output thread only when needed

  617.     if (fOutFD >= 0) {

  618.         fOutputThread.Kill();

  619.     }

  620. 

  621.     return 0;

  622. }

  623. 

  624. bool JackBoomerDriver::JackBoomerDriverInput::Init()

  625. {

  626.     if (fDriver->IsRealTime()) {

  627.         jack_log("JackBoomerDriverInput::Init IsRealTime");

  628.         if (fDriver->fInputThread.AcquireRealTime(GetEngineControl()->fServerPriority) < 0) {

  629.             jack_error("AcquireRealTime error");

  630.         } else {

  631.             set_threaded_log_function();

  632.         }

  633.     }

  634. 

  635.     return true;

  636. }

  637. 

  638. // TODO : better error handling

  639. bool JackBoomerDriver::JackBoomerDriverInput::Execute()

  640. {

  641. 

  642. #ifdef JACK_MONITOR

  643.     gCycleTable.fTable[gCycleReadCount].fBeforeRead = GetMicroSeconds();

  644. #endif

  645. 

  646.     audio_errinfo ei_in;

  647.     ssize_t count = ::read(fDriver->fInFD, fDriver->fInputBuffer, fDriver->fInputBufferSize);

  648. 

  649. #ifdef JACK_MONITOR

  650.     if (count > 0 && count != (int)fDriver->fInputBufferSize)

  651.         jack_log("JackBoomerDriverInput::Execute count = %ld", count / (fDriver->fSampleSize * fDriver->fCaptureChannels));

  652.     gCycleTable.fTable[gCycleReadCount].fAfterRead = GetMicroSeconds();

  653. #endif

  654. 

  655.     // XRun detection

  656.     if (ioctl(fDriver->fInFD, SNDCTL_DSP_GETERROR, &ei_in) == 0) {

  657. 

  658.         if (ei_in.rec_overruns > 0 ) {

  659.             jack_error("JackBoomerDriverInput::Execute overruns");

  660.             jack_time_t cur_time = GetMicroSeconds();

  661.             fDriver->NotifyXRun(cur_time, float(cur_time - fDriver->fBeginDateUst));   // Better this value than nothing...

  662.         }

  663. 

  664.         if (ei_in.rec_errorcount > 0 && ei_in.rec_lasterror != 0) {

  665.             jack_error("%d OSS rec event(s), last=%05d:%d", ei_in.rec_errorcount, ei_in.rec_lasterror, ei_in.rec_errorparm);

  666.         }

  667.     }

  668. 

  669.     if (count < 0) {

  670.         jack_log("JackBoomerDriverInput::Execute error = %s", strerror(errno));

  671.     } else if (count < (int)fDriver->fInputBufferSize) {

  672.         jack_error("JackBoomerDriverInput::Execute error bytes read = %ld", count);

  673.     } else {

  674. 

  675.         // Keep begin cycle time

  676.         fDriver->CycleTakeBeginTime();

  677.         for (int i = 0; i < fDriver->fCaptureChannels; i++) {

  678.             if (fDriver->fGraphManager->GetConnectionsNum(fDriver->fCapturePortList[i]) > 0) {

  679.                 CopyAndConvertIn(fDriver->GetInputBuffer(i),

  680.                                 fDriver->fInputBuffer,

  681.                                 fDriver->fEngineControl->fBufferSize,

  682.                                 i,

  683.                                 fDriver->fCaptureChannels * fDriver->fSampleSize,

  684.                                 fDriver->fBits);

  685.             }

  686.         }

  687. 

  688.     #ifdef JACK_MONITOR

  689.         gCycleTable.fTable[gCycleReadCount].fAfterReadConvert = GetMicroSeconds();

  690.         gCycleReadCount = (gCycleReadCount == CYCLE_POINTS - 1) ? gCycleReadCount: gCycleReadCount + 1;

  691.     #endif

  692.     }

  693. 

  694.     // Duplex : sync with write thread

  695.     if (fDriver->fInFD >= 0 && fDriver->fOutFD >= 0) {

  696.         fDriver->SynchronizeRead();

  697.     } else {

  698.         // Otherwise direct process

  699.         fDriver->Process();

  700.     }

  701.     return true;

  702. }

  703. 

  704. bool JackBoomerDriver::JackBoomerDriverOutput::Init()

  705. {

  706.     if (fDriver->IsRealTime()) {

  707.         jack_log("JackBoomerDriverOutput::Init IsRealTime");

  708.         if (fDriver->fOutputThread.AcquireRealTime(GetEngineControl()->fServerPriority) < 0) {

  709.             jack_error("AcquireRealTime error");

  710.         } else {

  711.             set_threaded_log_function();

  712.         }

  713.     }

  714. 

  715.     int delay;

  716.     if (ioctl(fDriver->fOutFD, SNDCTL_DSP_GETODELAY, &delay) == -1) {

  717.         jack_error("JackBoomerDriverOutput::Init error get out delay : %s@%i, errno = %d", __FILE__, __LINE__, errno);

  718.     }

  719. 

  720.     delay /= fDriver->fSampleSize * fDriver->fPlaybackChannels;

  721.     jack_info("JackBoomerDriverOutput::Init output latency frames = %ld", delay);

  722. 

  723.     return true;

  724. }

  725. 

  726. // TODO : better error handling

  727. bool JackBoomerDriver::JackBoomerDriverOutput::Execute()

  728. {

  729.     memset(fDriver->fOutputBuffer, 0, fDriver->fOutputBufferSize);

  730. 

  731. #ifdef JACK_MONITOR

  732.     gCycleTable.fTable[gCycleWriteCount].fBeforeWriteConvert = GetMicroSeconds();

  733. #endif

  734. 

  735.     for (int i = 0; i < fDriver->fPlaybackChannels; i++) {

  736.         if (fDriver->fGraphManager->GetConnectionsNum(fDriver->fPlaybackPortList[i]) > 0) {

  737.               CopyAndConvertOut(fDriver->fOutputBuffer,

  738.                                 fDriver->GetOutputBuffer(i),

  739.                                 fDriver->fEngineControl->fBufferSize,

  740.                                 i,

  741.                                 fDriver->fPlaybackChannels * fDriver->fSampleSize,

  742.                                 fDriver->fBits);

  743.         }

  744.     }

  745. 

  746. #ifdef JACK_MONITOR

  747.     gCycleTable.fTable[gCycleWriteCount].fBeforeWrite = GetMicroSeconds();

  748. #endif

  749. 

  750.     ssize_t count = ::write(fDriver->fOutFD, fDriver->fOutputBuffer, fDriver->fOutputBufferSize);

  751. 

  752. #ifdef JACK_MONITOR

  753.     if (count > 0 && count != (int)fDriver->fOutputBufferSize)

  754.         jack_log("JackBoomerDriverOutput::Execute count = %ld", count / (fDriver->fSampleSize * fDriver->fPlaybackChannels));

  755.     gCycleTable.fTable[gCycleWriteCount].fAfterWrite = GetMicroSeconds();

  756.     gCycleWriteCount = (gCycleWriteCount == CYCLE_POINTS - 1) ? gCycleWriteCount: gCycleWriteCount + 1;

  757. #endif

  758. 

  759.     // XRun detection

  760.     audio_errinfo ei_out;

  761.     if (ioctl(fDriver->fOutFD, SNDCTL_DSP_GETERROR, &ei_out) == 0) {

  762. 

  763.         if (ei_out.play_underruns > 0) {

  764.             jack_error("JackBoomerDriverOutput::Execute underruns");

  765.             jack_time_t cur_time = GetMicroSeconds();

  766.             fDriver->NotifyXRun(cur_time, float(cur_time - fDriver->fBeginDateUst));   // Better this value than nothing...

  767.         }

  768. 

  769.         if (ei_out.play_errorcount > 0 && ei_out.play_lasterror != 0) {

  770.             jack_error("%d OSS play event(s), last=%05d:%d",ei_out.play_errorcount, ei_out.play_lasterror, ei_out.play_errorparm);

  771.         }

  772.     }

  773. 

  774.     if (count < 0) {

  775.         jack_log("JackBoomerDriverOutput::Execute error = %s", strerror(errno));

  776.     } else if (count < (int)fDriver->fOutputBufferSize) {

  777.         jack_error("JackBoomerDriverOutput::Execute error bytes written = %ld", count);

  778.     }

  779. 

  780.     // Duplex : sync with read thread

  781.     if (fDriver->fInFD >= 0 && fDriver->fOutFD >= 0) {

  782.         fDriver->SynchronizeWrite();

  783.     } else {

  784.         // Otherwise direct process

  785.         fDriver->CycleTakeBeginTime();

  786.         fDriver->Process();

  787.     }

  788.     return true;

  789. }

  790. 

  791. void JackBoomerDriver::SynchronizeRead()

  792. {

  793.     sem_wait(&fWriteSema);

  794.     Process();

  795.     sem_post(&fReadSema);

  796. }

  797. 

  798. void JackBoomerDriver::SynchronizeWrite()

  799. {

  800.     sem_post(&fWriteSema);

  801.     sem_wait(&fReadSema);

  802. }

  803. 

  804. int JackBoomerDriver::SetBufferSize(jack_nframes_t buffer_size)

  805. {

  806.     CloseAux();

  807.     JackAudioDriver::SetBufferSize(buffer_size); // Generic change, never fails

  808.     return OpenAux();

  809. }

  810. 

  811. } // end of namespace

  812. 

  813. #ifdef __cplusplus

  814. extern "C"

  815. {

  816. #endif

  817. 

  818. SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor()

  819. {

  820.     jack_driver_desc_t * desc;

  821.     jack_driver_desc_filler_t filler;

  822.     jack_driver_param_value_t value;

  823. 

  824.     desc = jack_driver_descriptor_construct("boomer", JackDriverMaster, "Boomer/OSS API based audio backend", &filler);

  825. 

  826.     value.ui = OSS_DRIVER_DEF_FS;

  827.     jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

  828. 

  829.     value.ui = OSS_DRIVER_DEF_BLKSIZE;

  830.     jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

  831. 

  832.     value.ui = OSS_DRIVER_DEF_NPERIODS;

  833.     jack_driver_descriptor_add_parameter(desc, &filler, "nperiods", 'n', JackDriverParamUInt, &value, NULL, "Number of periods to prefill output buffer", NULL);

  834. 

  835.     value.i = OSS_DRIVER_DEF_BITS;

  836.     jack_driver_descriptor_add_parameter(desc, &filler, "wordlength", 'w', JackDriverParamInt, &value, NULL, "Word length", NULL);

  837. 

  838.     value.ui = OSS_DRIVER_DEF_INS;

  839.     jack_driver_descriptor_add_parameter(desc, &filler, "inchannels", 'i', JackDriverParamUInt, &value, NULL, "Capture channels", NULL);

  840. 

  841.     value.ui = OSS_DRIVER_DEF_OUTS;

  842.     jack_driver_descriptor_add_parameter(desc, &filler, "outchannels", 'o', JackDriverParamUInt, &value, NULL, "Playback channels", NULL);

  843. 

  844.     value.i = false;

  845.     jack_driver_descriptor_add_parameter(desc, &filler, "excl", 'e', JackDriverParamBool, &value, NULL, "Exclusif (O_EXCL) access mode", NULL);

  846. 

  847.     strcpy(value.str, OSS_DRIVER_DEF_DEV);

  848.     jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Input device", NULL);

  849.     jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamString, &value, NULL, "Output device", NULL);

  850.     jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "OSS device name", NULL);

  851. 

  852.     value.ui = 0;

  853.     jack_driver_descriptor_add_parameter(desc, &filler, "input-latency", 'I', JackDriverParamUInt, &value, NULL, "Extra input latency", NULL);

  854.     jack_driver_descriptor_add_parameter(desc, &filler, "output-latency", 'O', JackDriverParamUInt, &value, NULL, "Extra output latency", NULL);

  855. 

  856.     value.i = false;

  857.     jack_driver_descriptor_add_parameter(desc, &filler, "sync-io", 'S', JackDriverParamBool, &value, NULL, "In duplex mode, synchronize input and output", NULL);

  858. 

  859.     return desc;

  860. }

  861. 

  862. SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params)

  863. {

  864.     int bits = OSS_DRIVER_DEF_BITS;

  865.     jack_nframes_t srate = OSS_DRIVER_DEF_FS;

  866.     jack_nframes_t frames_per_interrupt = OSS_DRIVER_DEF_BLKSIZE;

  867.     const char* capture_pcm_name = OSS_DRIVER_DEF_DEV;

  868.     const char* playback_pcm_name = OSS_DRIVER_DEF_DEV;

  869.     bool capture = false;

  870.     bool playback = false;

  871.     int chan_in = 0;

  872.     int chan_out = 0;

  873.     bool monitor = false;

  874.     bool excl = false;

  875.     bool syncio = false;

  876.     unsigned int nperiods = OSS_DRIVER_DEF_NPERIODS;

  877.     const JSList *node;

  878.     const jack_driver_param_t *param;

  879.     jack_nframes_t systemic_input_latency = 0;

  880.     jack_nframes_t systemic_output_latency = 0;

  881. 

  882.     for (node = params; node; node = jack_slist_next(node)) {

  883. 

  884.         param = (const jack_driver_param_t *)node->data;

  885. 

  886.         switch (param->character) {

  887. 

  888.         case 'r':

  889.             srate = param->value.ui;

  890.             break;

  891. 

  892.         case 'p':

  893.             frames_per_interrupt = (unsigned int)param->value.ui;

  894.             break;

  895. 

  896.         case 'n':

  897.             nperiods = (unsigned int)param->value.ui;

  898.             break;

  899. 

  900.         case 'w':

  901.             bits = param->value.i;

  902.             break;

  903. 

  904.         case 'i':

  905.             chan_in = (int)param->value.ui;

  906.             break;

  907. 

  908.         case 'o':

  909.             chan_out = (int)param->value.ui;

  910.             break;

  911. 

  912.         case 'C':

  913.             capture = true;

  914.             if (strcmp(param->value.str, "none") != 0) {

  915.                 capture_pcm_name = param->value.str;

  916.             }

  917.             break;

  918. 

  919.         case 'P':

  920.             playback = true;

  921.             if (strcmp(param->value.str, "none") != 0) {

  922.                 playback_pcm_name = param->value.str;

  923.             }

  924.             break;

  925. 

  926.         case 'd':

  927.             playback_pcm_name = param->value.str;

  928.             capture_pcm_name = param->value.str;

  929.             break;

  930. 

  931.         case 'e':

  932.             excl = true;

  933.             break;

  934. 

  935.         case 'I':

  936.             systemic_input_latency = param->value.ui;

  937.             break;

  938. 

  939.         case 'O':

  940.             systemic_output_latency = param->value.ui;

  941.             break;

  942. 

  943.         case 'S':

  944.             syncio = true;

  945.             break;

  946.         }

  947.     }

  948. 

  949.     // duplex is the default

  950.     if (!capture && !playback) {

  951.         capture = true;

  952.         playback = true;

  953.     }

  954. 

  955.     Jack::JackBoomerDriver* boomer_driver = new Jack::JackBoomerDriver("system", "boomer", engine, table);

  956. 

  957.     // Special open for Boomer driver...

  958.     if (boomer_driver->Open(frames_per_interrupt, nperiods, srate, capture, playback, chan_in, chan_out, excl,

  959.         monitor, capture_pcm_name, playback_pcm_name, systemic_input_latency, systemic_output_latency, bits, syncio) == 0) {

  960.         return boomer_driver;

  961.     } else {

  962.         delete boomer_driver; // Delete the driver

  963.         return NULL;

  964.     }

  965. }

  966. 

  967. #ifdef __cplusplus

  968. }

  969. #endif