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authorJesse Hall <jessehall@google.com>2012-07-09 11:27:07 -0700
committerJesse Hall <jessehall@google.com>2012-07-22 00:35:08 -0700
commit9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f (patch)
treeded6ee18c4e1f33df235e53615a6d65e2d64f4ef /distrib/sdl-1.2.15/src/cdrom/win32
parent74b55003f76dbca96e4a26d98fe464081ca5341f (diff)
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Import SDL release-1.2.15
Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf
Diffstat (limited to 'distrib/sdl-1.2.15/src/cdrom/win32')
-rw-r--r--distrib/sdl-1.2.15/src/cdrom/win32/SDL_syscdrom.c386
1 files changed, 386 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/cdrom/win32/SDL_syscdrom.c b/distrib/sdl-1.2.15/src/cdrom/win32/SDL_syscdrom.c
new file mode 100644
index 0000000..cac9fd3
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/cdrom/win32/SDL_syscdrom.c
@@ -0,0 +1,386 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2012 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifdef SDL_CDROM_WIN32
+
+/* Functions for system-level CD-ROM audio control */
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <mmsystem.h>
+
+#include "SDL_cdrom.h"
+#include "../SDL_syscdrom.h"
+
+/* This really broken?? */
+#define BROKEN_MCI_PAUSE /* Pausing actually stops play -- Doh! */
+
+/* The maximum number of CD-ROM drives we'll detect (Don't change!) */
+#define MAX_DRIVES 26
+
+/* A list of available CD-ROM drives */
+static char *SDL_cdlist[MAX_DRIVES];
+static MCIDEVICEID SDL_mciID[MAX_DRIVES];
+#ifdef BROKEN_MCI_PAUSE
+static int SDL_paused[MAX_DRIVES];
+#endif
+static int SDL_CD_end_position;
+
+/* The system-dependent CD control functions */
+static const char *SDL_SYS_CDName(int drive);
+static int SDL_SYS_CDOpen(int drive);
+static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
+static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
+static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
+static int SDL_SYS_CDPause(SDL_CD *cdrom);
+static int SDL_SYS_CDResume(SDL_CD *cdrom);
+static int SDL_SYS_CDStop(SDL_CD *cdrom);
+static int SDL_SYS_CDEject(SDL_CD *cdrom);
+static void SDL_SYS_CDClose(SDL_CD *cdrom);
+
+
+/* Add a CD-ROM drive to our list of valid drives */
+static void AddDrive(char *drive)
+{
+ int i;
+
+ if ( SDL_numcds < MAX_DRIVES ) {
+ /* Add this drive to our list */
+ i = SDL_numcds;
+ SDL_cdlist[i] = SDL_strdup(drive);
+ if ( SDL_cdlist[i] == NULL ) {
+ SDL_OutOfMemory();
+ return;
+ }
+ ++SDL_numcds;
+#ifdef CDROM_DEBUG
+ fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
+#endif
+ }
+}
+
+int SDL_SYS_CDInit(void)
+{
+ /* checklist: Drive 'A' - 'Z' */
+ int i;
+ char drive[4];
+
+ /* Fill in our driver capabilities */
+ SDL_CDcaps.Name = SDL_SYS_CDName;
+ SDL_CDcaps.Open = SDL_SYS_CDOpen;
+ SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
+ SDL_CDcaps.Status = SDL_SYS_CDStatus;
+ SDL_CDcaps.Play = SDL_SYS_CDPlay;
+ SDL_CDcaps.Pause = SDL_SYS_CDPause;
+ SDL_CDcaps.Resume = SDL_SYS_CDResume;
+ SDL_CDcaps.Stop = SDL_SYS_CDStop;
+ SDL_CDcaps.Eject = SDL_SYS_CDEject;
+ SDL_CDcaps.Close = SDL_SYS_CDClose;
+
+ /* Scan the system for CD-ROM drives */
+ for ( i='A'; i<='Z'; ++i ) {
+ SDL_snprintf(drive, SDL_arraysize(drive), "%c:\\", i);
+ if ( GetDriveType(drive) == DRIVE_CDROM ) {
+ AddDrive(drive);
+ }
+ }
+ SDL_memset(SDL_mciID, 0, sizeof(SDL_mciID));
+ return(0);
+}
+
+/* General ioctl() CD-ROM command function */
+static int SDL_SYS_CDioctl(int id, UINT msg, DWORD flags, void *arg)
+{
+ MCIERROR mci_error;
+
+ mci_error = mciSendCommand(SDL_mciID[id], msg, flags, (DWORD_PTR)arg);
+ if ( mci_error ) {
+ char error[256];
+
+ mciGetErrorString(mci_error, error, 256);
+ SDL_SetError("mciSendCommand() error: %s", error);
+ }
+ return(!mci_error ? 0 : -1);
+}
+
+static const char *SDL_SYS_CDName(int drive)
+{
+ return(SDL_cdlist[drive]);
+}
+
+static int SDL_SYS_CDOpen(int drive)
+{
+ MCI_OPEN_PARMS mci_open;
+ MCI_SET_PARMS mci_set;
+ char device[3];
+ DWORD flags;
+
+ /* Open the requested device */
+ mci_open.lpstrDeviceType = (LPCSTR) MCI_DEVTYPE_CD_AUDIO;
+ device[0] = *SDL_cdlist[drive];
+ device[1] = ':';
+ device[2] = '\0';
+ mci_open.lpstrElementName = device;
+ flags =
+ (MCI_OPEN_TYPE|MCI_OPEN_SHAREABLE|MCI_OPEN_TYPE_ID|MCI_OPEN_ELEMENT);
+ if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) {
+ flags &= ~MCI_OPEN_SHAREABLE;
+ if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) {
+ return(-1);
+ }
+ }
+ SDL_mciID[drive] = mci_open.wDeviceID;
+
+ /* Set the minute-second-frame time format */
+ mci_set.dwTimeFormat = MCI_FORMAT_MSF;
+ SDL_SYS_CDioctl(drive, MCI_SET, MCI_SET_TIME_FORMAT, &mci_set);
+
+#ifdef BROKEN_MCI_PAUSE
+ SDL_paused[drive] = 0;
+#endif
+ return(drive);
+}
+
+static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
+{
+ MCI_STATUS_PARMS mci_status;
+ int i, okay;
+ DWORD flags;
+
+ okay = 0;
+ mci_status.dwItem = MCI_STATUS_NUMBER_OF_TRACKS;
+ flags = MCI_STATUS_ITEM | MCI_WAIT;
+ if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) {
+ cdrom->numtracks = mci_status.dwReturn;
+ if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
+ cdrom->numtracks = SDL_MAX_TRACKS;
+ }
+ /* Read all the track TOC entries */
+ flags = MCI_STATUS_ITEM | MCI_TRACK | MCI_WAIT;
+ for ( i=0; i<cdrom->numtracks; ++i ) {
+ cdrom->track[i].id = i+1;
+ mci_status.dwTrack = cdrom->track[i].id;
+#ifdef MCI_CDA_STATUS_TYPE_TRACK
+ mci_status.dwItem = MCI_CDA_STATUS_TYPE_TRACK;
+ if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+ &mci_status) < 0 ) {
+ break;
+ }
+ if ( mci_status.dwReturn == MCI_CDA_TRACK_AUDIO ) {
+ cdrom->track[i].type = SDL_AUDIO_TRACK;
+ } else {
+ cdrom->track[i].type = SDL_DATA_TRACK;
+ }
+#else
+ cdrom->track[i].type = SDL_AUDIO_TRACK;
+#endif
+ mci_status.dwItem = MCI_STATUS_POSITION;
+ if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+ &mci_status) < 0 ) {
+ break;
+ }
+ cdrom->track[i].offset = MSF_TO_FRAMES(
+ MCI_MSF_MINUTE(mci_status.dwReturn),
+ MCI_MSF_SECOND(mci_status.dwReturn),
+ MCI_MSF_FRAME(mci_status.dwReturn));
+ cdrom->track[i].length = 0;
+ if ( i > 0 ) {
+ cdrom->track[i-1].length =
+ cdrom->track[i].offset-
+ cdrom->track[i-1].offset;
+ }
+ }
+ if ( i == cdrom->numtracks ) {
+ mci_status.dwTrack = cdrom->track[i - 1].id;
+ mci_status.dwItem = MCI_STATUS_LENGTH;
+ if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+ &mci_status) == 0 ) {
+ cdrom->track[i - 1].length = MSF_TO_FRAMES(
+ MCI_MSF_MINUTE(mci_status.dwReturn),
+ MCI_MSF_SECOND(mci_status.dwReturn),
+ MCI_MSF_FRAME(mci_status.dwReturn));
+ /* compute lead-out offset */
+ cdrom->track[i].offset = cdrom->track[i - 1].offset +
+ cdrom->track[i - 1].length;
+ cdrom->track[i].length = 0;
+ okay = 1;
+ }
+ }
+ }
+ return(okay ? 0 : -1);
+}
+
+/* Get CD-ROM status */
+static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
+{
+ CDstatus status;
+ MCI_STATUS_PARMS mci_status;
+ DWORD flags;
+
+ flags = MCI_STATUS_ITEM | MCI_WAIT;
+ mci_status.dwItem = MCI_STATUS_MODE;
+ if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) < 0 ) {
+ status = CD_ERROR;
+ } else {
+ switch (mci_status.dwReturn) {
+ case MCI_MODE_NOT_READY:
+ case MCI_MODE_OPEN:
+ status = CD_TRAYEMPTY;
+ break;
+ case MCI_MODE_STOP:
+#ifdef BROKEN_MCI_PAUSE
+ if ( SDL_paused[cdrom->id] ) {
+ status = CD_PAUSED;
+ } else {
+ status = CD_STOPPED;
+ }
+#else
+ status = CD_STOPPED;
+#endif /* BROKEN_MCI_PAUSE */
+ break;
+ case MCI_MODE_PLAY:
+#ifdef BROKEN_MCI_PAUSE
+ if ( SDL_paused[cdrom->id] ) {
+ status = CD_PAUSED;
+ } else {
+ status = CD_PLAYING;
+ }
+#else
+ status = CD_PLAYING;
+#endif /* BROKEN_MCI_PAUSE */
+ break;
+ case MCI_MODE_PAUSE:
+ status = CD_PAUSED;
+ break;
+ default:
+ status = CD_ERROR;
+ break;
+ }
+ }
+ if ( position ) {
+ if ( status == CD_PLAYING || (status == CD_PAUSED) ) {
+ mci_status.dwItem = MCI_STATUS_POSITION;
+ if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags,
+ &mci_status) == 0 ) {
+ *position = MSF_TO_FRAMES(
+ MCI_MSF_MINUTE(mci_status.dwReturn),
+ MCI_MSF_SECOND(mci_status.dwReturn),
+ MCI_MSF_FRAME(mci_status.dwReturn));
+ } else {
+ *position = 0;
+ }
+ } else {
+ *position = 0;
+ }
+ }
+ return(status);
+}
+
+/* Start play */
+static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
+{
+ MCI_PLAY_PARMS mci_play;
+ int m, s, f;
+ DWORD flags;
+
+ flags = MCI_FROM | MCI_TO | MCI_NOTIFY;
+ mci_play.dwCallback = 0;
+ FRAMES_TO_MSF(start, &m, &s, &f);
+ mci_play.dwFrom = MCI_MAKE_MSF(m, s, f);
+ FRAMES_TO_MSF(start+length, &m, &s, &f);
+ mci_play.dwTo = MCI_MAKE_MSF(m, s, f);
+ SDL_CD_end_position = mci_play.dwTo;
+ return(SDL_SYS_CDioctl(cdrom->id, MCI_PLAY, flags, &mci_play));
+}
+
+/* Pause play */
+static int SDL_SYS_CDPause(SDL_CD *cdrom)
+{
+#ifdef BROKEN_MCI_PAUSE
+ SDL_paused[cdrom->id] = 1;
+#endif
+ return(SDL_SYS_CDioctl(cdrom->id, MCI_PAUSE, MCI_WAIT, NULL));
+}
+
+/* Resume play */
+static int SDL_SYS_CDResume(SDL_CD *cdrom)
+{
+#ifdef BROKEN_MCI_PAUSE
+ MCI_STATUS_PARMS mci_status;
+ int okay;
+ int flags;
+
+ okay = 0;
+ /* Play from the current play position to the end position set earlier */
+ flags = MCI_STATUS_ITEM | MCI_WAIT;
+ mci_status.dwItem = MCI_STATUS_POSITION;
+ if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) {
+ MCI_PLAY_PARMS mci_play;
+
+ flags = MCI_FROM | MCI_TO | MCI_NOTIFY;
+ mci_play.dwCallback = 0;
+ mci_play.dwFrom = mci_status.dwReturn;
+ mci_play.dwTo = SDL_CD_end_position;
+ if (SDL_SYS_CDioctl(cdrom->id,MCI_PLAY,flags,&mci_play) == 0) {
+ okay = 1;
+ SDL_paused[cdrom->id] = 0;
+ }
+ }
+ return(okay ? 0 : -1);
+#else
+ return(SDL_SYS_CDioctl(cdrom->id, MCI_RESUME, MCI_WAIT, NULL));
+#endif /* BROKEN_MCI_PAUSE */
+}
+
+/* Stop play */
+static int SDL_SYS_CDStop(SDL_CD *cdrom)
+{
+ return(SDL_SYS_CDioctl(cdrom->id, MCI_STOP, MCI_WAIT, NULL));
+}
+
+/* Eject the CD-ROM */
+static int SDL_SYS_CDEject(SDL_CD *cdrom)
+{
+ return(SDL_SYS_CDioctl(cdrom->id, MCI_SET, MCI_SET_DOOR_OPEN, NULL));
+}
+
+/* Close the CD-ROM handle */
+static void SDL_SYS_CDClose(SDL_CD *cdrom)
+{
+ SDL_SYS_CDioctl(cdrom->id, MCI_CLOSE, MCI_WAIT, NULL);
+}
+
+void SDL_SYS_CDQuit(void)
+{
+ int i;
+
+ if ( SDL_numcds > 0 ) {
+ for ( i=0; i<SDL_numcds; ++i ) {
+ SDL_free(SDL_cdlist[i]);
+ SDL_cdlist[i] = NULL;
+ }
+ SDL_numcds = 0;
+ }
+}
+
+#endif /* SDL_CDROM_WIN32 */