/// <summary>
/// Prepares media for playback
/// </summary>
/// <param name="filename"></param>
private void LoadMedia(PlayListEntry entry)
{
FMOD.RESULT result;
//load a new sound
result = _system.createSound(entry.FileName, FMOD.MODE._2D | FMOD.MODE.NONBLOCKING | FMOD.MODE.CREATESTREAM, out _sound);
CheckError(result);
//how to determine the media is ready? an event perhaps?
FMOD.OPENSTATE openState;
uint percentBuffered;
bool starving;
bool diskBusy;
//check to see if it is ready
_sound.getOpenState(out openState, out percentBuffered, out starving, out diskBusy);
//check state
while (openState == FMOD.OPENSTATE.LOADING)
{
_sound.getOpenState(out openState, out percentBuffered, out starving, out diskBusy);
Thread.Sleep(25);
}
Length = GetLength();
}
private void timer_Tick(object sender, System.EventArgs e)
{
FMOD.RESULT result;
FMOD.OPENSTATE openstate = 0;
uint percentbuffered = 0;
bool starving = false;
bool busy = false;
if (soundcreated)
{
result = sound.getOpenState(ref openstate, ref percentbuffered, ref starving, ref busy);
ERRCHECK(result);
if (openstate == FMOD.OPENSTATE.READY && channel == null)
{
result = system.playSound(FMOD.CHANNELINDEX.FREE, sound, false, ref channel);
ERRCHECK(result);
}
}
if (channel != null)
{
uint ms = 0;
bool playing = false;
bool paused = false;
for (;;)
{
FMOD.TAG tag = new FMOD.TAG();
if (sound.getTag(null, -1, ref tag) != FMOD.RESULT.OK)
{
break;
}
if (tag.datatype == FMOD.TAGDATATYPE.STRING)
{
textBox.Text = tag.name + " = " + Marshal.PtrToStringAnsi(tag.data) + " (" + tag.datalen + " bytes)";
}
else
{
break;
}
}
result = channel.getPaused(ref paused);
ERRCHECK(result);
result = channel.isPlaying(ref playing);
ERRCHECK(result);
result = channel.getPosition(ref ms, FMOD.TIMEUNIT.MS);
ERRCHECK(result);
statusBar.Text = "Time " + (ms / 1000 / 60) + ":" + (ms / 1000 % 60) + ":" + (ms / 10 % 100) + (openstate == FMOD.OPENSTATE.BUFFERING ? " Buffering..." : (openstate == FMOD.OPENSTATE.CONNECTING ? " Connecting..." : (paused ? " Paused " : (playing ? " Playing " : " Stopped ")))) + "(" + percentbuffered + "%)" + (starving ? " STARVING" : " ");
}
if (system != null)
{
system.update();
}
}
public void PlaySound()
{
bool state = true;
while (state)
{
FMOD.OPENSTATE openstate = 0;
uint percentbuffered = 0;
bool starving = false;
bool busy = false;
FMOD.RESULT result = sounds.getOpenState(ref openstate, ref percentbuffered, ref starving, ref busy);
ErrorCheck(result);
if (openstate == FMOD.OPENSTATE.READY && channels == null)
{
result = system.playSound(FMOD.CHANNELINDEX.FREE, sounds, false, ref channels);
ErrorCheck(result);
channels.setVolume(0.0f);
state = false;
}
}
}
private void timer_Tick(object sender, System.EventArgs e)
{
FMOD.RESULT result;
FMOD.OPENSTATE openstate = 0;
if (soundcreated)
{
uint percentbuffered = 0;
bool starving = false;
bool busy = false;
result = sound.getOpenState(ref openstate, ref percentbuffered, ref starving, ref busy);
ERRCHECK(result);
if (openstate == FMOD.OPENSTATE.READY && channel == null)
{
result = system.playSound(FMOD.CHANNELINDEX.FREE, sound, false, ref channel);
ERRCHECK(result);
}
}
if (channel != null)
{
uint ms = 0;
bool playing = false;
bool paused = false;
int tagsupdated = 0;
int numtags = 0;
result = sound.getNumTags(ref numtags, ref tagsupdated);
ERRCHECK(result);
if (tagsupdated != 0)
{
for (;;)
{
FMOD.TAG tag = new FMOD.TAG();
if (sound.getTag(null, -1, ref tag) != FMOD.RESULT.OK)
{
break;
}
if (tag.datatype == FMOD.TAGDATATYPE.STRING)
{
FMOD.SOUND_FORMAT format = FMOD.SOUND_FORMAT.NONE;
int channels = 0;
int bits = 0;
sound.getFormat(ref gSoundType, ref format, ref channels, ref bits);
if (tag.name == "ARTIST")
{
if (Marshal.PtrToStringAnsi(tag.data) != gCurrentTrackArtist)
{
gCurrentTrackArtist = Marshal.PtrToStringAnsi(tag.data);
gUpdateFileName = true;
}
}
if (tag.name == "TITLE")
{
if (Marshal.PtrToStringAnsi(tag.data) != gCurrentTrackTitle)
{
gCurrentTrackTitle = Marshal.PtrToStringAnsi(tag.data);
gUpdateFileName = true;
}
}
break;
}
else
{
break;
}
}
}
result = channel.isPlaying(ref playing);
if (result != FMOD.RESULT.OK || !playing)
{
sound.release();
sound = null;
channel = null;
}
else
{
result = channel.getPaused(ref paused);
ERRCHECK(result);
result = channel.getPosition(ref ms, FMOD.TIMEUNIT.MS);
ERRCHECK(result);
statusBar.Text = "Time " + (ms / 1000 / 60) + ":" + (ms / 1000 % 60) + ":" + (ms / 10 % 100) + (paused ? " Paused " : playing ? " Playing" : " Stopped");
}
}
if (sound != null)
{
uint percentbuffered = 0;
bool starving = false;
bool busy = false;
sound.getOpenState(ref openstate, ref percentbuffered, ref starving, ref busy);
if (openstate == FMOD.OPENSTATE.ERROR)
{
sound.release();
sound = null;
channel = null;
}
}
if (openstate == FMOD.OPENSTATE.ERROR)
{
statusBar.Text = "Error occurred or stream ended. Restarting stream..";
result = system.createSound(url, (FMOD.MODE.HARDWARE | FMOD.MODE._2D | FMOD.MODE.CREATESTREAM | FMOD.MODE.NONBLOCKING), ref exinfo, ref sound);
ERRCHECK(result);
}
if (system != null)
{
system.update();
}
}
IEnumerator StreamCR()
{
/*
* FMOD seems to like this
*/
yield return(new WaitForSeconds(2f));
this.streamCaught = false;
this.trackChanged = false;
for (;;)
{
if (this.isPaused)
{
yield return(null);
}
if (this.finished)
{
this.Stop();
yield break;
}
result = system.update();
ERRCHECK(result, "system.update", false);
result = sound.getOpenState(out openstate, out bufferFillPercentage, out starving, out deviceBusy);
ERRCHECK(result, "sound.getOpenState", false);
LOG(LogLevel.DEBUG, "Stream open state: {0}, buffer fill {1} starving {2} networkBusy {3}", openstate, bufferFillPercentage, starving, deviceBusy);
if (!this.streamCaught)
{
int c = 0;
do
{
result = system.update();
ERRCHECK(result, "system.update", false);
result = sound.getOpenState(out openstate, out bufferFillPercentage, out starving, out deviceBusy);
ERRCHECK(result, "sound.getOpenState", false);
LOG(LogLevel.DEBUG, "Stream open state: {0}, buffer fill {1} starving {2} networkBusy {3}", openstate, bufferFillPercentage, starving, deviceBusy);
if (result == FMOD.RESULT.OK && openstate == FMOD.OPENSTATE.READY)
{
/*
* stream caught
*/
FMOD.SOUND_TYPE _streamType;
FMOD.SOUND_FORMAT _streamFormat;
int _streamBits;
result = sound.getFormat(out _streamType, out _streamFormat, out this.streamChannels, out _streamBits);
ERRCHECK(result, "sound.getFormat");
float freq; int prio;
result = sound.getDefaults(out freq, out prio);
ERRCHECK(result, "sound.getDefaults");
LOG(LogLevel.INFO, "Stream format {0} {1} {2} channels {3} bits {4} samplerate", _streamType, _streamFormat, this.streamChannels, _streamBits, freq);
if (this is AudioStream)
{
// compensate for the stream samplerate
this.GetComponent <AudioSource>().pitch = ((float)(freq * this.streamChannels) / (float)(AudioSettings.outputSampleRate * (int)AudioSettings.speakerMode));
}
this.StreamStarting((int)freq);
this.streamCaught = true;
this.isPlaying = true;
if (this.OnPlaybackStarted != null)
{
this.OnPlaybackStarted.Invoke(this.gameObjectName);
}
break;
}
else
{
/*
* Unable to stream
*/
if (++c > 60)
{
if (this.url.StartsWith("http"))
{
LOG(LogLevel.ERROR, "Can't start playback. Please make sure that correct audio type of stream is selected and network is reachable.");
#if UNITY_EDITOR
LOG(LogLevel.ERROR, "If everything seems to be ok, restarting the editor often helps while having trouble connecting to especially OGG streams.");
#endif
}
else
{
LOG(LogLevel.ERROR, "Can't start playback. Unrecognized audio type.");
}
this.Stop();
yield break;
}
}
yield return(new WaitForSeconds(0.1f));
} while (result != FMOD.RESULT.OK || openstate != FMOD.OPENSTATE.READY);
}
if (this.StreamStarving())
{
LOG(LogLevel.WARNING, "Stream buffer starving - stopping playback");
this.Stop();
yield break;
}
FMOD.TAG streamTag;
/*
* Read any tags that have arrived, this could happen if a radio station switches
* to a new song.
*/
while (sound.getTag(null, -1, out streamTag) == FMOD.RESULT.OK)
{
if (!this.trackChanged)
{
this.tags = new string[tagcount];
this.tagindex = 0;
this.trackChanged = true;
}
if (streamTag.datatype == FMOD.TAGDATATYPE.STRING)
{
string tagData = Marshal.PtrToStringAnsi(streamTag.data, (int)streamTag.datalen);
tags[tagindex] = string.Format("{0} = {1}", streamTag.name, tagData);
tagindex = (tagindex + 1) % tagcount;
}
else if (streamTag.type == FMOD.TAGTYPE.FMOD)
{
/* When a song changes, the samplerate may also change, so compensate here. */
if (streamTag.name == "Sample Rate Change")
{
// TODO: actual float and samplerate change test - is there a way to test this ?
float defFrequency;
int defPriority;
result = sound.getDefaults(out defFrequency, out defPriority);
ERRCHECK(result, "sound.getDefaults");
LOG(LogLevel.INFO, "Stream samplerate change from {0}", defFrequency);
// float frequency = *((float*)streamTag.data);
float[] frequency = new float[1];
Marshal.Copy(streamTag.data, frequency, 0, sizeof(float));
LOG(LogLevel.INFO, "Stream samplerate change to {0}", frequency[0]);
result = sound.setDefaults(frequency[0], defPriority);
ERRCHECK(result, "sound.setDefaults");
/*
* need to restart audio when changing samplerate..
*/
if (this is AudioStream)
{
// compensate for the stream samplerate
this.GetComponent <AudioSource>().pitch = ((float)(frequency[0] * this.streamChannels) / (float)(AudioSettings.outputSampleRate * (int)AudioSettings.speakerMode));
}
}
}
}
if (this.trackChanged)
{
// TODO: track changed event
LOG(LogLevel.INFO, "Track changed {0}", this.tags[0]); // print tags[0] for info only - might be anything
this.trackChanged = false;
}
yield return(null);
}
}