int main(int argc, char *argv[]) { FMOD_SYSTEM *system = 0; FMOD_SOUND *sound = 0; FMOD_CHANNEL *channel = 0; FMOD_RESULT result; FMOD_CREATESOUNDEXINFO exinfo; int key, driver, recorddriver, numdrivers, count; unsigned int version; /* Create a System object and initialize. */ result = FMOD_System_Create(&system); ERRCHECK(result); result = FMOD_System_GetVersion(system, &version); ERRCHECK(result); if (version < FMOD_VERSION) { printf("Error! You are using an old version of FMOD %08x. This program requires %08x\n", version, FMOD_VERSION); return 0; } /* System initialization */ printf("---------------------------------------------------------\n"); printf("Select OUTPUT type\n"); printf("---------------------------------------------------------\n"); printf("1 : OSS - Open Sound System\n"); printf("2 : ALSA - Advanced Linux Sound Architecture\n"); printf("3 : ESD - Enlightenment Sound Daemon\n"); printf("---------------------------------------------------------\n"); printf("Press a corresponding number or ESC to quit\n"); do { key = getch(); } while (key != 27 && key < '1' && key > '5'); switch (key) { case '1' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_OSS); break; case '2' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_ALSA); break; case '3' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_ESD); break; default : return 1; } ERRCHECK(result); /* Enumerate playback devices */ result = FMOD_System_GetNumDrivers(system, &numdrivers); ERRCHECK(result); printf("---------------------------------------------------------\n"); printf("Choose a PLAYBACK driver\n"); printf("---------------------------------------------------------\n"); for (count=0; count < numdrivers; count++) { char name[256]; result = FMOD_System_GetDriverInfo(system, count, name, 256, 0); ERRCHECK(result); printf("%d : %s\n", count + 1, name); } printf("---------------------------------------------------------\n"); printf("Press a corresponding number or ESC to quit\n"); do { key = getch(); if (key == 27) { return 0; } driver = key - '1'; } while (driver < 0 || driver >= numdrivers); result = FMOD_System_SetDriver(system, driver); ERRCHECK(result); /* Enumerate record devices */ result = FMOD_System_GetRecordNumDrivers(system, &numdrivers); ERRCHECK(result); printf("---------------------------------------------------------\n"); printf("Choose a RECORD driver\n"); printf("---------------------------------------------------------\n"); for (count=0; count < numdrivers; count++) { char name[256]; result = FMOD_System_GetRecordDriverInfo(system, count, name, 256, 0); ERRCHECK(result); printf("%d : %s\n", count + 1, name); } printf("---------------------------------------------------------\n"); printf("Press a corresponding number or ESC to quit\n"); recorddriver = 0; do { key = getch(); if (key == 27) { return 0; } recorddriver = key - '1'; } while (recorddriver < 0 || recorddriver >= numdrivers); printf("\n"); result = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, NULL); ERRCHECK(result); memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO)); exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO); exinfo.numchannels = 1; exinfo.format = FMOD_SOUND_FORMAT_PCM16; exinfo.defaultfrequency = 44100; exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5; result = FMOD_System_CreateSound(system, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_OPENUSER, &exinfo, &sound); ERRCHECK(result); printf("===================================================================\n"); printf("Recording example. Copyright (c) Firelight Technologies 2004-2011.\n"); printf("===================================================================\n"); printf("\n"); printf("Press 'r' to record a 5 second segment of audio and write it to a wav file.\n"); printf("Press 'p' to play the 5 second segment of audio.\n"); printf("Press 'l' to turn looping on/off.\n"); printf("Press 's' to stop recording and playback.\n"); printf("Press 'w' to save the 5 second segment to a wav file.\n"); printf("Press 'Esc' to quit\n"); printf("\n"); /* Main loop. */ do { static FMOD_CHANNEL *channel = 0; static int looping = 0; int recording = 0; int playing = 0; unsigned int recordpos = 0; unsigned int playpos = 0; unsigned int length; if (kbhit()) { key = getch(); switch (key) { case 'r' : case 'R' : { result = FMOD_System_RecordStart(system, recorddriver, sound, looping); ERRCHECK(result); break; } case 'p' : case 'P' : { if (looping) { FMOD_Sound_SetMode(sound, FMOD_LOOP_NORMAL); } else { FMOD_Sound_SetMode(sound, FMOD_LOOP_OFF); } ERRCHECK(result); result = FMOD_System_PlaySound(system, FMOD_CHANNEL_REUSE, sound, 0, &channel); ERRCHECK(result); break; } case 'l' : case 'L' : { looping = !looping; break; } case 's' : case 'S' : { result = FMOD_System_RecordStop(system, recorddriver); if (channel) { FMOD_Channel_Stop(channel); channel = 0; } break; } case 'w' : case 'W' : { printf("Writing to record.wav ... \r"); SaveToWav(sound); Sleep(500); break; } } } FMOD_Sound_GetLength(sound, &length, FMOD_TIMEUNIT_PCM); ERRCHECK(result); FMOD_System_IsRecording(system, recorddriver, &recording); ERRCHECK(result); FMOD_System_GetRecordPosition(system, recorddriver, &recordpos); ERRCHECK(result); if (channel) { FMOD_Channel_IsPlaying(channel, &playing); ERRCHECK(result); FMOD_Channel_GetPosition(channel, &playpos, FMOD_TIMEUNIT_PCM); ERRCHECK(result); } printf("State: %-19s. Record pos = %6d : Play pos = %6d : Loop %-3s\r", recording ? playing ? "Recording / playing" : "Recording" : playing ? "Playing" : "Idle", recordpos, playpos, looping ? "On" : "Off"); fflush(stdout); FMOD_System_Update(system); Sleep(10); } while (key != 27); printf("\n"); /* Shut down */ result = FMOD_Sound_Release(sound); ERRCHECK(result); result = FMOD_System_Release(system); ERRCHECK(result); return 0; }
int main(int argc, char *argv[]) { FMOD_SYSTEM *system = 0; FMOD_SOUND *sound = 0; FMOD_RESULT result; FMOD_CREATESOUNDEXINFO exinfo; int key, recorddriver, numdrivers, count; unsigned int version; FILE *fp; unsigned int datalength = 0, soundlength; /* Create a System object and initialize. */ result = FMOD_System_Create(&system); ERRCHECK(result); result = FMOD_System_GetVersion(system, &version); ERRCHECK(result); if (version < FMOD_VERSION) { printf("Error! You are using an old version of FMOD %08x. This program requires %08x\n", version, FMOD_VERSION); return 0; } /* System initialization */ printf("---------------------------------------------------------\n"); printf("Select OUTPUT type\n"); printf("---------------------------------------------------------\n"); printf("1 : DirectSound\n"); printf("2 : Windows Multimedia WaveOut\n"); printf("3 : ASIO\n"); printf("---------------------------------------------------------\n"); printf("Press a corresponding number or ESC to quit\n"); do { key = _getch(); } while (key != 27 && key < '1' && key > '5'); switch (key) { case '1' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_DSOUND); break; case '2' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_WINMM); break; case '3' : result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_ASIO); break; default : return 1; } ERRCHECK(result); /* Enumerate record devices */ result = FMOD_System_GetRecordNumDrivers(system, &numdrivers); ERRCHECK(result); printf("---------------------------------------------------------\n"); printf("Choose a RECORD driver\n"); printf("---------------------------------------------------------\n"); for (count=0; count < numdrivers; count++) { char name[256]; result = FMOD_System_GetRecordDriverInfo(system, count, name, 256, 0); ERRCHECK(result); printf("%d : %s\n", count + 1, name); } printf("---------------------------------------------------------\n"); printf("Press a corresponding number or ESC to quit\n"); recorddriver = 0; do { key = _getch(); if (key == 27) { return 0; } recorddriver = key - '1'; } while (recorddriver < 0 || recorddriver >= numdrivers); printf("\n"); result = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, 0); ERRCHECK(result); memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO)); exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO); exinfo.numchannels = 2; exinfo.format = FMOD_SOUND_FORMAT_PCM16; exinfo.defaultfrequency = 44100; exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 2; result = FMOD_System_CreateSound(system, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_OPENUSER, &exinfo, &sound); ERRCHECK(result); printf("========================================================================\n"); printf("Record to disk example. Copyright (c) Firelight Technologies 2004-2014.\n"); printf("========================================================================\n"); printf("\n"); printf("Press a key to start recording to record.wav\n"); printf("\n"); _getch(); result = FMOD_System_RecordStart(system, recorddriver, sound, TRUE); ERRCHECK(result); printf("Press 'Esc' to quit\n"); printf("\n"); fp = fopen("record.wav", "wb"); if (!fp) { printf("ERROR : could not open record.wav for writing.\n"); return 1; } /* Write out the wav header. As we don't know the length yet it will be 0. */ WriteWavHeader(fp, sound, datalength); result = FMOD_Sound_GetLength(sound, &soundlength, FMOD_TIMEUNIT_PCM); ERRCHECK(result); /* Main loop. */ do { static unsigned int lastrecordpos = 0; unsigned int recordpos = 0; if (_kbhit()) { key = _getch(); } FMOD_System_GetRecordPosition(system, recorddriver, &recordpos); ERRCHECK(result); if (recordpos != lastrecordpos) { void *ptr1, *ptr2; int blocklength; unsigned int len1, len2; blocklength = (int)recordpos - (int)lastrecordpos; if (blocklength < 0) { blocklength += soundlength; } /* Lock the sound to get access to the raw data. */ FMOD_Sound_Lock(sound, lastrecordpos * exinfo.numchannels * 2, blocklength * exinfo.numchannels * 2, &ptr1, &ptr2, &len1, &len2); /* * exinfo.numchannels * 2 = stereo 16bit. 1 sample = 4 bytes. */ /* Write it to disk. */ if (ptr1 && len1) { datalength += fwrite(ptr1, 1, len1, fp); } if (ptr2 && len2) { datalength += fwrite(ptr2, 1, len2, fp); } /* Unlock the sound to allow FMOD to use it again. */ FMOD_Sound_Unlock(sound, ptr1, ptr2, len1, len2); } lastrecordpos = recordpos; printf("%-23s. Record buffer pos = %6d : Record time = %02d:%02d\r", (timeGetTime() / 500) & 1 ? "Recording to record.wav" : "", recordpos, datalength / exinfo.defaultfrequency / exinfo.numchannels / 2 / 60, (datalength / exinfo.defaultfrequency / exinfo.numchannels / 2) % 60); FMOD_System_Update(system); Sleep(10); } while (key != 27); printf("\n"); /* Write back the wav header now that we know its length. */ WriteWavHeader(fp, sound, datalength); fclose(fp); /* Shut down */ result = FMOD_Sound_Release(sound); ERRCHECK(result); result = FMOD_System_Release(system); ERRCHECK(result); return 0; }
int main(int argc, char *argv[]) { FMOD_SYSTEM *system = 0; FMOD_SOUND *sound = 0; FMOD_CHANNEL *channel = 0; FMOD_DSP *dsp = 0; FMOD_RESULT result; FMOD_CREATESOUNDEXINFO exinfo; FMOD_SPEAKERMODE speakermode; FMOD_CAPS caps; int key, numdrivers; unsigned int version; unsigned int datalength = 0, soundlength; char name[256]; unsigned int adjustedlatency; /* Create a System object and initialize. */ result = FMOD_System_Create(&system); ERRCHECK(result); result = FMOD_System_GetVersion(system, &version); ERRCHECK(result); if (version < FMOD_VERSION) { printf("Error! You are using an old version of FMOD %08x. This program requires %08x\n", version, FMOD_VERSION); return 0; } /* System initialization (recommended startup sequence) */ result = FMOD_System_GetNumDrivers(system, &numdrivers); ERRCHECK(result); if (numdrivers == 0) { result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_NOSOUND); ERRCHECK(result); } else { result = FMOD_System_GetDriverCaps(system, 0, &caps, 0, &speakermode); ERRCHECK(result); result = FMOD_System_SetSpeakerMode(system, speakermode); /* Set the user selected speaker mode. */ ERRCHECK(result); if (caps & FMOD_CAPS_HARDWARE_EMULATED) /* The user has the 'Acceleration' slider set to off! This is really bad for latency!. */ { /* You might want to warn the user about this. */ result = FMOD_System_SetDSPBufferSize(system, 1024, 10); ERRCHECK(result); } #ifdef LOWLATENCY else { result = FMOD_System_SetDSPBufferSize(system, 256, 4); } #endif result = FMOD_System_GetDriverInfo(system, 0, name, 256, 0); ERRCHECK(result); if (strstr(name, "SigmaTel")) /* Sigmatel sound devices crackle for some reason if the format is PCM 16bit. PCM floating point output seems to solve it. */ { result = FMOD_System_SetSoftwareFormat(system, 48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0,0, FMOD_DSP_RESAMPLER_LINEAR); ERRCHECK(result); } } result = FMOD_System_Init(system, 100, FMOD_INIT_NORMAL, 0); if (result == FMOD_ERR_OUTPUT_CREATEBUFFER) /* Ok, the speaker mode selected isn't supported by this soundcard. Switch it back to stereo... */ { result = FMOD_System_SetSpeakerMode(system, FMOD_SPEAKERMODE_STEREO); ERRCHECK(result); result = FMOD_System_Init(system, 100, FMOD_INIT_NORMAL, 0);/* ... and re-init. */ ERRCHECK(result); } /* System initialization complete (recommended startup sequence) */ /* Create user sound to record into. Set it to loop for playback. */ memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO)); exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO); exinfo.numchannels = 1; exinfo.format = FMOD_SOUND_FORMAT_PCM16; exinfo.defaultfrequency = RECORDRATE; exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5; /* 5 second buffer, doesnt really matter how big this is, but not too small of course. */ result = FMOD_System_CreateSound(system, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound); ERRCHECK(result); printf("========================================================================\n"); printf("Record with realtime playback example.\n"); printf("Copyright (c) Firelight Technologies 2004-2011.\n"); printf("\n"); printf("Try #define LOWLATENCY to reduce latency for more modern machines!\n"); printf("========================================================================\n"); printf("\n"); printf("Press a key to start recording. Playback will start %d samples (%d ms) later.\n", LATENCY, LATENCY * 1000 / RECORDRATE); printf("\n"); _getch(); printf("Press 'E' to toggle an effect on/off.\n"); printf("Press 'Esc' to quit\n"); printf("\n"); result = FMOD_System_RecordStart(system, 0, sound, TRUE); ERRCHECK(result); result = FMOD_Sound_GetLength(sound, &soundlength, FMOD_TIMEUNIT_PCM); ERRCHECK(result); /* Create a DSP effect to play with. */ result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_FLANGE, &dsp); ERRCHECK(result); result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_FLANGE_RATE, 4.0f); ERRCHECK(result); result = FMOD_DSP_SetBypass(dsp, TRUE); ERRCHECK(result); adjustedlatency = LATENCY; /* This might change depending on record block size. */ /* Main loop. */ do { static unsigned int lastrecordpos = 0, samplesrecorded = 0; unsigned int recordpos = 0, recorddelta; key = 0; if (_kbhit()) { key = _getch(); } if (key == 'e' || key == 'E') { int bypass; FMOD_DSP_GetBypass(dsp, &bypass); FMOD_DSP_SetBypass(dsp, !bypass); if (bypass) { FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_CONCERTHALL; FMOD_System_SetReverbProperties(system, &prop); } else { FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_OFF; FMOD_System_SetReverbProperties(system, &prop); } printf("\n\n *** TURN DSP EFFECT %s ** \n\n", bypass ? "ON" : "OFF"); } FMOD_System_GetRecordPosition(system, 0, &recordpos); ERRCHECK(result); recorddelta = recordpos >= lastrecordpos ? recordpos - lastrecordpos : recordpos + soundlength - lastrecordpos; samplesrecorded += recorddelta; if (samplesrecorded >= adjustedlatency && !channel) { result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound, 0, &channel); ERRCHECK(result); result = FMOD_Channel_AddDSP(channel, dsp, 0); ERRCHECK(result); } if (channel && recorddelta) { unsigned int playrecorddelta; unsigned int playpos = 0; int adjusting = 0; float smootheddelta; float dampratio = 0.97f; static unsigned int minrecorddelta = (unsigned int)-1; /* If the record driver steps the position of the record cursor in larger increments than the user defined latency value, then we should increase our latency value to match. */ if (recorddelta < minrecorddelta) { minrecorddelta = recorddelta; if (adjustedlatency < recorddelta) { adjustedlatency = recorddelta; } } FMOD_Channel_GetPosition(channel, &playpos, FMOD_TIMEUNIT_PCM); playrecorddelta = recordpos >= playpos ? recordpos - playpos : recordpos + soundlength - playpos; /* Smooth total */ { static float total = 0; total = total * dampratio; total += playrecorddelta; smootheddelta = total * (1.0f - dampratio); } if (smootheddelta < adjustedlatency - DRIFTTHRESHOLD || smootheddelta > soundlength / 2) /* if play cursor is catching up to record (or passed it), slow playback down */ { FMOD_Channel_SetFrequency(channel, RECORDRATE - (RECORDRATE / 50)); /* Decrease speed by 2% */ adjusting = 1; } else if (smootheddelta > adjustedlatency + DRIFTTHRESHOLD) /* if play cursor is falling too far behind record, speed playback up */ { FMOD_Channel_SetFrequency(channel, RECORDRATE + (RECORDRATE / 50)); /* Increase speed by 2% */ adjusting = 2; } else { FMOD_Channel_SetFrequency(channel, RECORDRATE); /* Otherwise set to normal rate */ adjusting = 0; } printf("REC %5d (REC delta %5d) : PLAY %5d, PLAY/REC diff %5d %s\r", recordpos, recorddelta, playpos, (int)smootheddelta, adjusting == 1 ? "DECREASE SPEED" : adjusting == 2 ? "INCREASE SPEED" : " "); } lastrecordpos = recordpos; FMOD_System_Update(system); Sleep(10); } while (key != 27); printf("\n"); /* Shut down */ result = FMOD_Sound_Release(sound); ERRCHECK(result); result = FMOD_System_Release(system); ERRCHECK(result); return 0; }