OpenTTD Source
20241121-master-g67a0fccfad
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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. More... | |
Variables | |
struct { | |
UINT time_period | |
obtained timer precision value | |
HMIDIOUT midi_out | |
handle to open midiOut | |
UINT timer_id | |
ID of active multimedia timer. | |
std::mutex lock | |
synchronization for playback status fields | |
bool playing | |
flag indicating that playback is active | |
int do_start | |
flag for starting playback of next_file at next opportunity | |
bool do_stop | |
flag for stopping playback at next opportunity | |
uint8_t current_volume | |
current effective volume setting | |
uint8_t new_volume | |
volume setting to change to | |
MidiFile current_file | |
file currently being played from | |
PlaybackSegment current_segment | |
segment info for current playback | |
DWORD playback_start_time | |
timestamp current file began playback | |
size_t current_block | |
next block index to send | |
MidiFile next_file | |
upcoming file to play | |
PlaybackSegment next_segment | |
segment info for upcoming file | |
uint8_t channel_volumes [16] | |
last seen volume controller values in raw data | |
} | _midi |
static FMusicDriver_Win32 | iFMusicDriver_Win32 |
Music playback for Windows.
Definition in file win32_m.cpp.
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.
Referenced by MusicDriver_Win32::PlaySong().