win32_m.cpp File Reference

Music playback for Windows. More...

#include "../stdafx.h"
#include "../string_func.h"
#include "win32_m.h"
#include <windows.h>
#include <mmsystem.h>
#include "../os/windows/win32.h"
#include "../debug.h"
#include "midifile.hpp"
#include "midi.h"
#include "../base_media_base.h"
#include "../core/mem_func.hpp"
#include <mutex>
#include "../safeguards.h"

Go to the source code of this file.

Data Structures
struct	PlaybackSegment

Functions
static uint8_t	ScaleVolume (uint8_t original, uint8_t scale)
void CALLBACK	MidiOutProc (HMIDIOUT hmo, UINT wMsg, DWORD_PTR, DWORD_PTR dwParam1, DWORD_PTR)
static void	TransmitChannelMsg (uint8_t status, uint8_t p1, uint8_t p2=0)
static void	TransmitSysex (const uint8_t *&msg_start, size_t &remaining)
static void	TransmitStandardSysex (MidiSysexMessage msg)
void CALLBACK	TimerCallback (UINT uTimerID, UINT, DWORD_PTR, DWORD_PTR, DWORD_PTR)
	Realtime MIDI playback service routine.

Variables
struct {
UINT   time_period
	obtained timer precision value More...
HMIDIOUT   midi_out
	handle to open midiOut More...
UINT   timer_id
	ID of active multimedia timer. More...
std::mutex   lock
	synchronization for playback status fields More...
bool   playing
	flag indicating that playback is active More...
int   do_start
	flag for starting playback of next_file at next opportunity More...
bool   do_stop
	flag for stopping playback at next opportunity More...
uint8_t   current_volume
	current effective volume setting More...
uint8_t   new_volume
	volume setting to change to More...
MidiFile   current_file
	file currently being played from More...
PlaybackSegment   current_segment
	segment info for current playback More...
DWORD   playback_start_time
	timestamp current file began playback More...
size_t   current_block
	next block index to send More...
MidiFile   next_file
	upcoming file to play More...
PlaybackSegment   next_segment
	segment info for upcoming file More...
uint8_t   channel_volumes [16]
	last seen volume controller values in raw data More...
}	_midi
static FMusicDriver_Win32	iFMusicDriver_Win32

Detailed Description

Music playback for Windows.

Definition in file win32_m.cpp.

Function Documentation

MidiOutProc()

void CALLBACK MidiOutProc	(	HMIDIOUT	hmo,
		UINT	wMsg,
		DWORD_PTR	,
		DWORD_PTR	dwParam1,
		DWORD_PTR
	)

Definition at line 62 of file win32_m.cpp.

ScaleVolume()

static uint8_t ScaleVolume ( uint8_t  original, uint8_t  scale  )

static

Definition at line 56 of file win32_m.cpp.

TimerCallback()

void CALLBACK TimerCallback	(	UINT	uTimerID,
		UINT	,
		DWORD_PTR	,
		DWORD_PTR	,
		DWORD_PTR
	)

Realtime MIDI playback service routine.

This is called by the multimedia timer.

Definition at line 111 of file win32_m.cpp.

References MidiFile::DataBlock::data, Debug, lengthof, MidiFile::DataBlock::realtime, and MidiFile::DataBlock::ticktime.

Referenced by MusicDriver_Win32::PlaySong().

TransmitChannelMsg()

static void TransmitChannelMsg ( uint8_t  status, uint8_t  p1, uint8_t  p2 = 0  )

static

Definition at line 71 of file win32_m.cpp.

TransmitStandardSysex()

static void TransmitStandardSysex ( MidiSysexMessage  msg )

static

Definition at line 100 of file win32_m.cpp.

TransmitSysex()

static void TransmitSysex ( const uint8_t *&  msg_start, size_t &  remaining  )

static

Definition at line 76 of file win32_m.cpp.

Variable Documentation

channel_volumes

uint8_t channel_volumes[16]

last seen volume controller values in raw data

Definition at line 50 of file win32_m.cpp.

current_block

size_t current_block

next block index to send

Definition at line 46 of file win32_m.cpp.

current_file

MidiFile current_file

file currently being played from

Definition at line 43 of file win32_m.cpp.

current_segment

PlaybackSegment current_segment

segment info for current playback

Definition at line 44 of file win32_m.cpp.

current_volume

uint8_t current_volume

current effective volume setting

Definition at line 40 of file win32_m.cpp.

do_start

int do_start

flag for starting playback of next_file at next opportunity

Definition at line 38 of file win32_m.cpp.

do_stop

bool do_stop

flag for stopping playback at next opportunity

Definition at line 39 of file win32_m.cpp.

iFMusicDriver_Win32

FMusicDriver_Win32 iFMusicDriver_Win32

static

Definition at line 53 of file win32_m.cpp.

lock

std::mutex lock

synchronization for playback status fields

Definition at line 35 of file win32_m.cpp.

Referenced by SmallStack< Titem, Tindex, Tinvalid, Tgrowth_step, Tmax_size >::Branch(), NetworkHTTPSocketHandler::Connect(), SmallStack< Titem, Tindex, Tinvalid, Tgrowth_step, Tmax_size >::Contains(), CopyPalette(), DebugPrint(), DebugSendRemoteMessages(), PacketWriter::Destroy(), VideoDriver::DrainCommandQueue(), PacketWriter::Finish(), VideoDriver::GameLoopPause(), HTTPThreadSafeCallback::HandleQueue(), NetworkHTTPSocketHandler::HTTPReceive(), HTTPThreadSafeCallback::IsQueueEmpty(), MusicDriver_FluidSynth::IsSongPlaying(), MakeScreenshot(), MxSetMusicSource(), NetworkHTTPRequest::NetworkHTTPRequest(), NetworkHTTPRequest::NetworkHTTPRequest(), NetworkHTTPUninitialize(), HTTPThreadSafeCallback::OnFailure(), HTTPThreadSafeCallback::OnReceiveData(), MusicDriver_DMusic::PlaySong(), MusicDriver_FluidSynth::PlaySong(), SmallStack< Titem, Tindex, Tinvalid, Tgrowth_step, Tmax_size >::Pop(), SmallStack< Titem, Tindex, Tinvalid, Tgrowth_step, Tmax_size >::Push(), VideoDriver::QueueOnMainThread(), MusicDriver_FluidSynth::SetVolume(), MusicDriver_FluidSynth::Start(), StartNewThread(), MusicDriver_FluidSynth::Stop(), MusicDriver_FluidSynth::StopSong(), PacketWriter::TransferToNetworkQueue(), NetworkSurveyHandler::Transmit(), HTTPThreadSafeCallback::WaitTillEmptyOrCondition(), PacketWriter::Write(), NetworkHTTPRequest::~NetworkHTTPRequest(), and PacketWriter::~PacketWriter().

midi_out

HMIDIOUT midi_out

handle to open midiOut

Definition at line 33 of file win32_m.cpp.

new_volume

uint8_t new_volume

volume setting to change to

Definition at line 41 of file win32_m.cpp.

next_file

MidiFile next_file

upcoming file to play

Definition at line 47 of file win32_m.cpp.

next_segment

PlaybackSegment next_segment

segment info for upcoming file

Definition at line 48 of file win32_m.cpp.

playback_start_time

DWORD playback_start_time

timestamp current file began playback

Definition at line 45 of file win32_m.cpp.

playing

bool playing

flag indicating that playback is active

Definition at line 37 of file win32_m.cpp.

time_period

UINT time_period

obtained timer precision value

Definition at line 32 of file win32_m.cpp.

timer_id

UINT timer_id

ID of active multimedia timer.

Definition at line 34 of file win32_m.cpp.