void Java_org_fmod_realtimestitching_Example_cUpdate(JNIEnv *env, jobject thiz)
{
FMOD_RESULT result = FMOD_OK;
/*
Replace the subsound that just finished with a new subsound, to create endless seamless stitching!
Note that this polls the currently playing subsound using the FMOD_TIMEUNIT_BUFFERED flag.
Remember streams are decoded / buffered ahead in advance!
Don't use the 'audible time' which is FMOD_TIMEUNIT_SENTENCE_SUBSOUND by itself. When streaming, sound is
processed ahead of time, and things like stream buffer / sentence manipulation (as done below) is required
to be in 'buffered time', or else there will be synchronization problems and you might end up releasing a
sub-sound that is still playing!
*/
result = FMOD_Channel_GetPosition(gChannel, &gCurrentSubSoundID, (FMOD_TIMEUNIT)(FMOD_TIMEUNIT_SENTENCE_SUBSOUND | FMOD_TIMEUNIT_BUFFERED));
CHECK_RESULT(result);
if (gCurrentSubSoundID != gSubSoundID)
{
/*
Release the sound that isn't playing any more.
*/
result = FMOD_Sound_Release(gSubSound[gSubSoundID]);
CHECK_RESULT(result);
/*
Replace it with a new sound in our list.
*/
result = FMOD_System_CreateStream(gSystem, gSoundName[gSentenceID], FMOD_DEFAULT, 0, &gSubSound[gSubSoundID]);
CHECK_RESULT(result);
result = FMOD_Sound_SetSubSound(gSound, gSubSoundID, gSubSound[gSubSoundID]);
CHECK_RESULT(result);
sprintf(s, "Replacing subsound %d / 2 with sound %d / %d\n", gSubSoundID, gSentenceID, NUMSOUNDS);
__android_log_write(ANDROID_LOG_INFO, "fmod_realtimestitching", s);
gSentenceID++;
if (gSentenceID >= NUMSOUNDS)
{
gSentenceID = 0;
}
gSubSoundID = gCurrentSubSoundID;
}
result = FMOD_System_Update(gSystem);
CHECK_RESULT(result);
}
void Java_org_fmod_realtimestitching_Example_cBegin(JNIEnv *env, jobject thiz)
{
FMOD_RESULT result = FMOD_OK;
FMOD_CREATESOUNDEXINFO exinfo;
result = FMOD_System_Create(&gSystem);
CHECK_RESULT(result);
result = FMOD_System_Init(gSystem, 1, FMOD_INIT_NORMAL, 0);
CHECK_RESULT(result);
/*
Set up the FMOD_CREATESOUNDEXINFO structure for the user stream with room for 2 subsounds. (our subsound double buffer)
*/
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.defaultfrequency = 44100;
exinfo.numsubsounds = 2;
exinfo.numchannels = 1;
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
/*
Create the 'parent' stream that contains the substreams. Set it to loop so that it loops between subsound 0 and 1.
*/
result = FMOD_System_CreateStream(gSystem, 0, FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &gSound);
CHECK_RESULT(result);
/*
Add 2 of our streams as children of the parent. They should be the same format (ie mono/stereo and bitdepth) as the parent sound.
When subsound 0 has finished and it is playing subsound 1, we will swap subsound 0 with a new sound, and the same for when subsound 1 has finished,
causing a continual double buffered flip, which means continuous sound.
*/
result = FMOD_System_CreateStream(gSystem, gSoundName[0], FMOD_DEFAULT, 0, &gSubSound[0]);
CHECK_RESULT(result);
result = FMOD_System_CreateStream(gSystem, gSoundName[1], FMOD_DEFAULT, 0, &gSubSound[1]);
CHECK_RESULT(result);
result = FMOD_Sound_SetSubSound(gSound, 0, gSubSound[0]);
CHECK_RESULT(result);
result = FMOD_Sound_SetSubSound(gSound, 1, gSubSound[1]);
CHECK_RESULT(result);
/*
Set up the gapless sentence to contain these first 2 streams.
*/
{
int soundlist[2] = { 0, 1 };
result = FMOD_Sound_SetSubSoundSentence(gSound, soundlist, 2);
CHECK_RESULT(result);
}
gSubSoundID = 0;
gSentenceID = 2; /* The next sound to be appended to the stream. */
sprintf(s, "Inserted subsound %d / 2 with sound %d / %d\n", 0, 0, NUMSOUNDS);
__android_log_write(ANDROID_LOG_INFO, "fmod_realtimestitching", s);
sprintf(s, "Inserted subsound %d / 2 with sound %d / %d\n", 1, 1, NUMSOUNDS);
__android_log_write(ANDROID_LOG_INFO, "fmod_realtimestitching", s);
/*
Play the sound.
*/
result = FMOD_System_PlaySound(gSystem, FMOD_CHANNEL_FREE, gSound, 0, &gChannel);
CHECK_RESULT(result);
}
int main(int argc, char *argv[])
{
FMOD_SYSTEM *system;
FMOD_SOUND *sound;
FMOD_SOUND *subsound[2];
FMOD_CREATESOUNDEXINFO exinfo;
FMOD_CHANNEL *channel = 0;
FMOD_RESULT result;
int key;
unsigned int subsoundid, sentenceid;
unsigned int version;
const char *soundname[NUMSOUNDS] =
{
"../media/e.ogg", /* Ma- */
"../media/d.ogg", /* ry */
"../media/c.ogg", /* had */
"../media/d.ogg", /* a */
"../media/e.ogg", /* lit- */
"../media/e.ogg", /* tle */
"../media/e.ogg", /* lamb, */
"../media/e.ogg", /* ..... */
"../media/d.ogg", /* lit- */
"../media/d.ogg", /* tle */
"../media/d.ogg", /* lamb, */
"../media/d.ogg", /* ..... */
"../media/e.ogg", /* lit- */
"../media/e.ogg", /* tle */
"../media/e.ogg", /* lamb, */
"../media/e.ogg", /* ..... */
"../media/e.ogg", /* Ma- */
"../media/d.ogg", /* ry */
"../media/c.ogg", /* had */
"../media/d.ogg", /* a */
"../media/e.ogg", /* lit- */
"../media/e.ogg", /* tle */
"../media/e.ogg", /* lamb, */
"../media/e.ogg", /* its */
"../media/d.ogg", /* fleece */
"../media/d.ogg", /* was */
"../media/e.ogg", /* white */
"../media/d.ogg", /* as */
"../media/c.ogg", /* snow. */
"../media/c.ogg", /* ..... */
"../media/c.ogg", /* ..... */
"../media/c.ogg", /* ..... */
};
/*
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;
}
result = FMOD_System_Init(system, 1, FMOD_INIT_NORMAL, NULL);
ERRCHECK(result);
/*
Set up the FMOD_CREATESOUNDEXINFO structure for the user stream with room for 2 subsounds. (our subsound double buffer)
*/
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.defaultfrequency = 44100;
exinfo.numsubsounds = 2;
exinfo.numchannels = 1;
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
/*
Create the 'parent' stream that contains the substreams. Set it to loop so that it loops between subsound 0 and 1.
*/
result = FMOD_System_CreateStream(system, 0, FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
ERRCHECK(result);
/*
Add 2 of our streams as children of the parent. They should be the same format (ie mono/stereo and bitdepth) as the parent sound.
When subsound 0 has finished and it is playing subsound 1, we will swap subsound 0 with a new sound, and the same for when subsound 1 has finished,
causing a continual double buffered flip, which means continuous sound.
*/
result = FMOD_System_CreateStream(system, soundname[0], FMOD_DEFAULT, 0, &subsound[0]);
ERRCHECK(result);
result = FMOD_System_CreateStream(system, soundname[1], FMOD_DEFAULT, 0, &subsound[1]);
ERRCHECK(result);
result = FMOD_Sound_SetSubSound(sound, 0, subsound[0]);
ERRCHECK(result);
result = FMOD_Sound_SetSubSound(sound, 1, subsound[1]);
ERRCHECK(result);
/*
Set up the gapless sentence to contain these first 2 streams.
*/
{
int soundlist[2] = { 0, 1 };
result = FMOD_Sound_SetSubSoundSentence(sound, soundlist, 2);
ERRCHECK(result);
}
subsoundid = 0;
sentenceid = 2; /* The next sound to be appeneded to the stream. */
printf("=============================================================================\n");
printf("Real-time stitching example. Copyright (c) Firelight Technologies 2004-2014.\n");
printf("=============================================================================\n");
printf("\n");
printf("Press space to pause, Esc to quit\n");
printf("\n");
printf("Inserted subsound %d / 2 with sound %d / %d\n", 0, 0, NUMSOUNDS);
printf("Inserted subsound %d / 2 with sound %d / %d\n", 1, 1, NUMSOUNDS);
/*
Play the sound.
*/
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound, FALSE, &channel);
ERRCHECK(result);
/*
Main loop.
*/
do
{
unsigned int currentsubsoundid;
if (_kbhit())
{
key = _getch();
switch (key)
{
case ' ' :
{
int paused;
FMOD_Channel_GetPaused(channel, &paused);
FMOD_Channel_SetPaused(channel, !paused);
break;
}
}
}
FMOD_System_Update(system);
/*
Replace the subsound that just finished with a new subsound, to create endless seamless stitching!
Note that this polls the currently playing subsound using the FMOD_TIMEUNIT_BUFFERED flag.
Remember streams are decoded / buffered ahead in advance!
Don't use the 'audible time' which is FMOD_TIMEUNIT_SENTENCE_SUBSOUND by itself. When streaming, sound is
processed ahead of time, and things like stream buffer / sentence manipulation (as done below) is required
to be in 'buffered time', or else there will be synchronization problems and you might end up releasing a
sub-sound that is still playing!
*/
result = FMOD_Channel_GetPosition(channel, ¤tsubsoundid, (FMOD_TIMEUNIT)(FMOD_TIMEUNIT_SENTENCE_SUBSOUND | FMOD_TIMEUNIT_BUFFERED));
ERRCHECK(result);
if (currentsubsoundid != subsoundid)
{
/*
Release the sound that isn't playing any more.
*/
result = FMOD_Sound_Release(subsound[subsoundid]);
ERRCHECK(result);
/*
Replace it with a new sound in our list.
*/
result = FMOD_System_CreateStream(system, soundname[sentenceid], FMOD_DEFAULT, 0, &subsound[subsoundid]);
ERRCHECK(result);
result = FMOD_Sound_SetSubSound(sound, subsoundid, subsound[subsoundid]);
ERRCHECK(result);
printf("Replacing subsound %d / 2 with sound %d / %d\n", subsoundid, sentenceid, NUMSOUNDS);
sentenceid++;
if (sentenceid >= NUMSOUNDS)
{
sentenceid = 0;
}
subsoundid = currentsubsoundid;
}
Sleep(50);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = FMOD_Sound_Release(sound); /* Freeing a parent subsound also frees its children. */
ERRCHECK(result);
result = FMOD_System_Close(system);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
return 0;
}
