public static void wav_close(wav_file wav)
{
uint32_t total;
uint32_t temp32;
if (wav == null)
{
return;
}
total = (UInt32)wav.file.Length; //ftell(wav.file);
/* update the total file size */
wav.writer.Seek((int)wav.total_offs, SeekOrigin.Begin); //fseek(wav.file, wav.total_offs, SEEK_SET);
temp32 = total - (wav.total_offs + 4);
temp32 = (UInt32)global_object.little_endianize_int32((int)temp32);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
/* update the data size */
wav.writer.Seek((int)wav.data_offs, SeekOrigin.Begin); //fseek(wav.file, wav.data_offs, SEEK_SET);
temp32 = total - (wav.data_offs + 4);
temp32 = (UInt32)global_object.little_endianize_int32((int)temp32);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
//fclose(wav.file);
wav.writer.Close();
wav.file.Close();
wav.writer = null;
wav.file = null;
//global_free(wav);
}
//-------------------------------------------------
// stop_recording - end audio recording
//-------------------------------------------------
void stop_recording(running_machine machine)
{
// close any open WAV file
if (m_wavfile != null)
{
wavwrite_global.wav_close(m_wavfile);
}
m_wavfile = null;
}
public static void wav_add_data_16(wav_file wav, ListPointer <int16_t> data, int samples) //wav_file *wav, int16_t *data, int samples)
{
if (wav == null || samples == 0)
{
return;
}
throw new emu_unimplemented();
}
// global controls
//-------------------------------------------------
// start_recording - begin audio recording
//-------------------------------------------------
public void start_recording()
{
// open the output WAV file if specified
string wavfile = machine().options().wav_write();
if (!string.IsNullOrEmpty(wavfile) && m_wavfile == null)
{
m_wavfile = wavwrite_global.wav_open(wavfile, machine().sample_rate(), 2);
}
}
attotime m_last_update; // last update time
// construction/destruction
//-------------------------------------------------
// sound_manager - constructor
//-------------------------------------------------
public sound_manager(running_machine machine)
{
m_machine = machine;
m_update_timer = null;
m_finalmix_leftover = 0;
m_finalmix = new std.vector <s16>(machine.sample_rate());
m_leftmix = new std.vector <s32>(machine.sample_rate());
m_rightmix = new std.vector <s32>(machine.sample_rate());
m_nosound_mode = machine.osd().no_sound() ? 1 : 0;
m_wavfile = null;
m_update_attoseconds = STREAMS_UPDATE_ATTOTIME.attoseconds();
m_last_update = attotime.zero;
// get filename for WAV file or AVI file if specified
string wavfile = machine.options().wav_write();
string avifile = machine.options().avi_write();
// handle -nosound and lower sample rate if not recording WAV or AVI
if (m_nosound_mode != 0 && string.IsNullOrEmpty(wavfile) && string.IsNullOrEmpty(avifile))
{
machine.sample_rate_set(11025);
}
// count the mixers
if (sound_global.VERBOSE)
{
mixer_interface_iterator iter = new mixer_interface_iterator(machine.root_device());
sound_global.VPRINTF("total mixers = {0}\n", iter.count());
}
// register callbacks
machine.configuration().config_register("mixer", config_load, config_save);
machine.add_notifier(machine_notification.MACHINE_NOTIFY_PAUSE, pause);
machine.add_notifier(machine_notification.MACHINE_NOTIFY_RESUME, resume);
machine.add_notifier(machine_notification.MACHINE_NOTIFY_RESET, reset);
machine.add_notifier(machine_notification.MACHINE_NOTIFY_EXIT, stop_recording);
// register global states
machine.save().save_item(m_last_update, "m_last_update");
// set the starting attenuation
set_attenuation(machine.options().volume());
// start the periodic update flushing timer
m_update_timer = machine.scheduler().timer_alloc(update, this);
m_update_timer.adjust(STREAMS_UPDATE_ATTOTIME, 0, STREAMS_UPDATE_ATTOTIME);
}
public static void wav_add_data_16lr(wav_file wav, ListPointer <int16_t> left, ListPointer <int16_t> right, int samples) //wav_file *wav, int16_t *left, int16_t *right, int samples)
{
std.vector <int16_t> temp = new std.vector <int16_t>();
int i;
if (wav == null || samples == 0)
{
return;
}
/* resize dynamic array */
temp.resize(samples * 2);
/* interleave */
for (i = 0; i < samples * 2; i++)
{
temp[i] = (i & 1) != 0 ? right[i / 2] : left[i / 2];
}
throw new emu_unimplemented();
}
public static void wav_add_data_32(wav_file wav, ListPointer <int32_t> data, int samples, int shift) //wav_file *wav, int32_t *data, int samples, int shift)
{
std.vector <int16_t> temp = new std.vector <int16_t>();
int i;
if (wav == null || samples == 0)
{
return;
}
/* resize dynamic array */
temp.resize(samples);
/* clamp */
for (i = 0; i < samples; i++)
{
int val = data[i] >> shift;
temp[i] = (Int16)((val < -32768) ? -32768 : (val > 32767) ? 32767 : val);
}
throw new emu_unimplemented();
}
public static void wav_add_data_32lr(wav_file wav, ListPointer <int32_t> left, ListPointer <int32_t> right, int samples, int shift) //wav_file *wav, int32_t *left, int32_t *right, int samples, int shift)
{
std.vector <int16_t> temp = new std.vector <int16_t>();
int i;
if (wav == null || samples == 0)
{
return;
}
/* resize dynamic array */
temp.resize(samples);
/* interleave */
for (i = 0; i < samples * 2; i++)
{
int val = (i & 1) != 0 ? right[i / 2] : left[i / 2];
val >>= shift;
temp[i] = (Int16)((val < -32768) ? -32768 : (val > 32767) ? 32767 : val);
}
throw new emu_unimplemented();
}
public static wav_file wav_open(string filename, int sample_rate, int channels)
{
wav_file wav;
uint32_t bps;
uint32_t temp32;
uint16_t align;
uint16_t temp16;
/* allocate memory for the wav struct */
wav = new wav_file(); // (wav_file *) global_alloc(wav_file);
if (wav == null)
{
return(null);
}
/* create the file */
//wav.file = fopen(filename, "wb");
//if (!wav.file)
//{
// //global_free(wav);
// return null;
//}
wav.file = new FileStream(filename, FileMode.Create);
wav.writer = new BinaryWriter(wav.file);
/* write the 'RIFF' header */
wav.writer.Write("RIFF".ToCharArray()); //fwrite("RIFF", 1, 4, wav.file);
/* write the total size */
temp32 = 0;
wav.total_offs = (UInt32)wav.file.Length; // ftell(wav.file);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
/* write the 'WAVE' type */
wav.writer.Write("WAVE".ToCharArray()); //fwrite("WAVE", 1, 4, wav.file);
/* write the 'fmt ' tag */
wav.writer.Write("fmt ".ToCharArray()); //fwrite("fmt ", 1, 4, wav.file);
/* write the format length */
temp32 = (UInt32)global_object.little_endianize_int32(16);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
/* write the format (PCM) */
temp16 = (UInt16)global_object.little_endianize_int16(1);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
/* write the channels */
temp16 = (UInt16)global_object.little_endianize_int16((Int16)channels);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
/* write the sample rate */
temp32 = (UInt32)global_object.little_endianize_int32(sample_rate);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
/* write the bytes/second */
bps = (UInt32)(sample_rate * 2 * channels);
temp32 = (UInt32)global_object.little_endianize_int32((int)bps);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
/* write the block align */
align = (UInt16)(2 * channels);
temp16 = (UInt16)global_object.little_endianize_int16((Int16)align);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
/* write the bits/sample */
temp16 = (UInt16)global_object.little_endianize_int16(16);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
/* write the 'data' tag */
wav.writer.Write("data".ToCharArray()); //fwrite("data", 1, 4, wav.file);
/* write the data length */
temp32 = 0;
wav.data_offs = (UInt32)wav.file.Length; //ftell(wav.file);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
return(wav);
}
//struct wav_deleter
public static wav_file wav_open(string filename, int sample_rate, int channels)
{
uint32_t temp32;
uint16_t temp16;
// allocate memory for the wav struct
var wav = new wav_file(); //auto *const wav = new (std::nothrow) wav_file;
if (wav == null)
{
return(null);
}
// create the file */
//wav.file = fopen(filename, "wb");
//if (!wav.file)
//{
// //global_free(wav);
// return null;
//}
wav.file = new FileStream(filename, FileMode.Create);
wav.writer = new BinaryWriter(wav.file);
// write the 'RIFF' header
wav.writer.Write("RIFF".ToCharArray()); //fwrite("RIFF", 1, 4, wav.file);
// write the total size
temp32 = 0;
wav.total_offs = (uint32_t)wav.file.Length; // ftell(wav.file);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
// write the 'WAVE' type
wav.writer.Write("WAVE".ToCharArray()); //fwrite("WAVE", 1, 4, wav.file);
// write the 'fmt ' tag
wav.writer.Write("fmt ".ToCharArray()); //fwrite("fmt ", 1, 4, wav.file);
// write the format length
temp32 = (uint32_t)little_endianize_int32(16);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
// write the format (PCM)
temp16 = (uint16_t)little_endianize_int16(1);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
// write the channels
temp16 = (uint16_t)little_endianize_int16((int16_t)channels);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
// write the sample rate
temp32 = (uint32_t)little_endianize_int32(sample_rate);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
// write the bytes/second
uint32_t bps = (uint32_t)(sample_rate * 2 * channels);
temp32 = (uint32_t)little_endianize_int32((int)bps);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
// write the block align
uint16_t align = (uint16_t)(2 * channels);
temp16 = (uint16_t)little_endianize_int16((int16_t)align);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
// write the bits/sample
temp16 = (uint16_t)little_endianize_int16(16);
wav.writer.Write(temp16); //fwrite(&temp16, 1, 2, wav.file);
// write the 'data' tag
wav.writer.Write("data".ToCharArray()); //fwrite("data", 1, 4, wav.file);
// write the data length
temp32 = 0;
wav.data_offs = (uint32_t)wav.file.Length; //ftell(wav.file);
wav.writer.Write(temp32); //fwrite(&temp32, 1, 4, wav.file);
return(wav);
}