Files
@ r19864:c0b662df5bb7
Branch filter:
Location: cpp/openttd-patchpack/source/src/music/win32_m.cpp
r19864:c0b662df5bb7
4.4 KiB
text/x-c
(svn r24819) -Update from WebTranslator v3.0:
basque - 3 changes by lutxiketa
malay - 51 changes by richz
polish - 3 changes by wojteks86
russian - 1 changes by Lone_Wolf
basque - 3 changes by lutxiketa
malay - 51 changes by richz
polish - 3 changes by wojteks86
russian - 1 changes by Lone_Wolf
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file win32_m.cpp Music playback for Windows. */
#include "../stdafx.h"
#include "../string_func.h"
#include "win32_m.h"
#include <windows.h>
#include <mmsystem.h>
static struct {
bool stop_song;
bool terminate;
bool playing;
int new_vol;
HANDLE wait_obj;
HANDLE thread;
UINT_PTR devid;
char start_song[MAX_PATH];
} _midi;
static FMusicDriver_Win32 iFMusicDriver_Win32;
void MusicDriver_Win32::PlaySong(const char *filename)
{
assert(filename != NULL);
strecpy(_midi.start_song, filename, lastof(_midi.start_song));
_midi.playing = true;
_midi.stop_song = false;
SetEvent(_midi.wait_obj);
}
void MusicDriver_Win32::StopSong()
{
if (_midi.playing) {
_midi.stop_song = true;
_midi.start_song[0] = '\0';
SetEvent(_midi.wait_obj);
}
}
bool MusicDriver_Win32::IsSongPlaying()
{
return _midi.playing;
}
void MusicDriver_Win32::SetVolume(byte vol)
{
_midi.new_vol = vol;
SetEvent(_midi.wait_obj);
}
static MCIERROR CDECL MidiSendCommand(const TCHAR *cmd, ...)
{
va_list va;
TCHAR buf[512];
va_start(va, cmd);
_vsntprintf(buf, lengthof(buf), cmd, va);
va_end(va);
return mciSendString(buf, NULL, 0, 0);
}
static bool MidiIntPlaySong(const char *filename)
{
MidiSendCommand(_T("close all"));
if (MidiSendCommand(_T("open \"%s\" type sequencer alias song"), OTTD2FS(filename)) != 0) {
/* Let's try the "short name" */
TCHAR buf[MAX_PATH];
if (GetShortPathName(OTTD2FS(filename), buf, MAX_PATH) == 0) return false;
if (MidiSendCommand(_T("open \"%s\" type sequencer alias song"), buf) != 0) return false;
}
MidiSendCommand(_T("seek song to start wait"));
return MidiSendCommand(_T("play song")) == 0;
}
static void MidiIntStopSong()
{
MidiSendCommand(_T("close all"));
}
static void MidiIntSetVolume(int vol)
{
DWORD v = (vol * 65535 / 127);
midiOutSetVolume((HMIDIOUT)_midi.devid, v + (v << 16));
}
static bool MidiIntIsSongPlaying()
{
char buf[16];
mciSendStringA("status song mode", buf, sizeof(buf), 0);
return strcmp(buf, "playing") == 0 || strcmp(buf, "seeking") == 0;
}
static DWORD WINAPI MidiThread(LPVOID arg)
{
do {
char *s;
int vol;
vol = _midi.new_vol;
if (vol != -1) {
_midi.new_vol = -1;
MidiIntSetVolume(vol);
}
s = _midi.start_song;
if (s[0] != '\0') {
_midi.playing = MidiIntPlaySong(s);
s[0] = '\0';
/* Delay somewhat in case we don't manage to play. */
if (!_midi.playing) WaitForMultipleObjects(1, &_midi.wait_obj, FALSE, 5000);
}
if (_midi.stop_song && _midi.playing) {
_midi.stop_song = false;
_midi.playing = false;
MidiIntStopSong();
}
if (_midi.playing && !MidiIntIsSongPlaying()) _midi.playing = false;
WaitForMultipleObjects(1, &_midi.wait_obj, FALSE, 1000);
} while (!_midi.terminate);
MidiIntStopSong();
return 0;
}
const char *MusicDriver_Win32::Start(const char * const *parm)
{
MIDIOUTCAPS midicaps;
UINT nbdev;
UINT_PTR dev;
char buf[16];
mciSendStringA("capability sequencer has audio", buf, lengthof(buf), 0);
if (strcmp(buf, "true") != 0) return "MCI sequencer can't play audio";
memset(&_midi, 0, sizeof(_midi));
_midi.new_vol = -1;
/* Get midi device */
_midi.devid = MIDI_MAPPER;
for (dev = 0, nbdev = midiOutGetNumDevs(); dev < nbdev; dev++) {
if (midiOutGetDevCaps(dev, &midicaps, sizeof(midicaps)) == 0 && (midicaps.dwSupport & MIDICAPS_VOLUME)) {
_midi.devid = dev;
break;
}
}
if (NULL == (_midi.wait_obj = CreateEvent(NULL, FALSE, FALSE, NULL))) return "Failed to create event";
/* The lpThreadId parameter of CreateThread (the last parameter)
* may NOT be NULL on Windows 95, 98 and ME. */
DWORD threadId;
if (NULL == (_midi.thread = CreateThread(NULL, 8192, MidiThread, 0, 0, &threadId))) return "Failed to create thread";
return NULL;
}
void MusicDriver_Win32::Stop()
{
_midi.terminate = true;
SetEvent(_midi.wait_obj);
WaitForMultipleObjects(1, &_midi.thread, true, INFINITE);
CloseHandle(_midi.wait_obj);
CloseHandle(_midi.thread);
}
|