int main() {
setup_screen();
simple_timer();
cleanup_screen();
return 0;
}
Errcode go_resize_screen(Errcode (*reinit)(void *dat),
void (*close_reinit)(void *dat), void *dat)
/* this should only be called after evrything is closed but the screen.
* The reinit function is for initializing things that must be present for
* the screen to be used and should abort the request for this screen size
* the cleanup will insure things dont get fragged by making sure the screen
* is always openen in a clean environment */
{
Errcode err;
Screen_mode smode;
for(;;)
{
if((err = go_screen_menu(&smode)) < Success)
break;
cleanup_screen();
if(close_reinit)
close_reinit(dat);
if((err = init_screen(&smode,&vconfg.smode,reinit,dat)) < Success)
goto error;
if(err == 0) /* we got the primary mode */
break;
/* oops, didn't open what we wanted try again */
}
error:
return(err);
}
int main( void )
{
srand( time( NULL ) );
setup_screen();
demo();
cleanup_screen();
return 0;
}
int main( void )
{
setup_screen();
srand( time( NULL ) );
demo();
timer_pause( 5000 );
cleanup_screen();
return 0;
}
int main( void )
{
Game game;
setup_screen();
game.dog = create_sprite( 0, 0, 1, 1, "D" );
draw_sprite( game.dog );
wait_char();
cleanup_screen();
}
void Tetris_destroy(Tetris *tetris)
{
Renderer_destroy(tetris->renderer);
Block_destroy(tetris->current_block);
Block_destroy(tetris->ghost_block);
free(tetris);
cleanup_screen();
}
int main() {
setup_screen();
draw_paddles();
draw_string(0, screen_height( ) - 1, "Press any key to finish...");
wait_char();
cleanup_screen();
return 0;
}
int main() {
srand(time(NULL));
setup_screen();
int start_x;
int start_y;
get_start_pos(&start_x, &start_y);
zombie_racer(start_x, start_y);
cleanup_screen();
return 0;
}
/**
* The main entry point.
*/
int
main(int argc, char *argv[])
{
pthread_t accel_thread;
bool exit_application = false;
int rc;
/*
* Before we can listen for events from the BlackBerry Tablet OS platform
* services, we need to initialize the BPS infrastructure
*/
bps_initialize();
/*
* Initialize the screen so that the window group Id is properly set,
* to allow the dialogs to be displayed.
*/
if (setup_screen() != EXIT_SUCCESS) {
fprintf(stderr, "Unable to initialize screen.");
exit(-1);
}
/*
* Once the BPS infrastructure has been initialized we can register for
* events from the various BlackBerry Tablet OS platform services. The
* Navigator service manages and delivers application life cycle and
* visibility events.
*
* We register a custom event domain so that we can communicate with the
* the accelerometer thread. We will need to tell it to quit once we get
* the NAVIGATOR_EXIT.
*
* We request Navigator events so that we can track when the system is
* terminating the application (NAVIGATOR_EXIT event).
*
*/
local_event_domain = bps_register_domain();
if (local_event_domain == -1) {
fprintf(stderr, "Error registering custom event domain: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != navigator_request_events(0)) {
fprintf(stderr, "Error requesting navigator events: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != dialog_request_events(0)) {
fprintf(stderr, "Error requesting dialog events: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != geolocation_request_events(0)) {
fprintf(stderr, "Error requesting geolocation events: %s", strerror(errno));
exit(-1);
}
geolocation_set_period(1);
/*
* Create and display the dialogs that will show the data.
*/
create_top_dialog();
show_top_dialog_message("Geolocation getting first fix");
/*
* Before initializing the accelerometer service we must ensure the device
* supports it.
*/
if (!sensor_is_supported(SENSOR_TYPE_ACCELEROMETER)) {
/**
* If the device does not support accelerometer then notify the user,
* clean up and exit
*/
snprintf(msg, MSG_SIZE, "Accelerometer not supported by device!");
show_top_dialog_message(msg);
/*
* Destroy the dialog, if it exists and cleanup screen resources.
*/
destroy_top_dialog();
cleanup_screen();
bps_shutdown();
return EXIT_FAILURE;
}
/*
* Create the accelerometer event thread.
*/
rc = pthread_create(&accel_thread, NULL, accel_main, NULL);
if (rc != 0) {
fprintf(stderr, "Error in pthread_create: %s", strerror(errno));
exit(-1);
}
while (!exit_application) {
/*
* Using a negative timeout (-1) in the call to bps_get_event(...)
* ensures that we don't busy wait by blocking until an event is
* available.
*/
bps_event_t *event = NULL;
bps_get_event(&event, -1);
if (event) {
if (bps_event_get_domain(event) == geolocation_get_domain()) {
handle_geolocation_response(event);
}
else if (bps_event_get_domain(event) == navigator_get_domain()) {
exit_application = handle_navigator_event(event);
}
}
}
geolocation_stop_events(0);
/*
* Avoid a possible race condition where accel_chid has not yet
* been assigned a valid channel ID.
*/
pthread_mutex_lock(&chidMutex);
while (accel_chid == -1) {
pthread_cond_wait(&chidCond, &chidMutex);
}
pthread_mutex_unlock(&chidMutex);
bps_event_t *stop_request_event = NULL;
if (BPS_SUCCESS != bps_event_create(&stop_request_event, local_event_domain, STOP_REQUEST, NULL, NULL)) {
fprintf(stderr, "Unable to create event: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != bps_channel_push_event(accel_chid, stop_request_event)) {
fprintf(stderr, "Unable to push event: %s", strerror(errno));
}
pthread_join(accel_thread, NULL);
/*
* Destroy the dialog, if it exists.
*/
destroy_top_dialog();
bps_shutdown();
cleanup_screen();
return 0;
}
/**
* A sample application that demonstrates the BlackBerry(R) 10 Native SDK APIs
* for geolocation.
*/
int
main(int argc, char *argv[])
{
bool exit_application = false;
/*
* Before we can listen for events from the BlackBerry(R) 10 OS platform
* services, we need to initialize the BPS infrastructure
*/
bps_initialize();
/*
* Initialize the screen so that the window group Id is properly set, to allow
* the dialogs to be displayed.
*/
if (setup_screen() != EXIT_SUCCESS) {
fprintf(stderr, "Unable to initialize screen.");
exit(-1);
}
/*
* Once the BPS infrastructure has been initialized we can register for
* events from the various BlackBerry(R) 10 OS platform services. The
* Navigator service manages and delivers application life cycle and
* visibility events.
*
* For this sample, we request Navigator events so that we can track when
* the system is terminating the application (NAVIGATOR_EXIT event).
*
* We request dialog events so we can be notified when the dialog service
* responds to our requests/queries.
*
* We request geolocation events so that we can be notified of our current
* geolocation.
*/
if (BPS_SUCCESS != navigator_request_events(0)) {
fprintf(stderr, "Error requesting navigator events: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != dialog_request_events(0)) {
fprintf(stderr, "Error requesting dialog events: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != geolocation_request_events(0)) {
fprintf(stderr, "Error requesting geolocation events: %s", strerror(errno));
exit(-1);
}
/*
* Get geolocation events once a second, which is the most often that they
* are capable of being reported.
*/
geolocation_set_period(1);
/*
* Create and display the dialog that will show the geolocation data.
*/
create_dialog();
show_dialog_message("Geolocation getting first fix");
/*
* Process Geolocation, Dialog and Navigator events until we receive a
* NAVIGATOR_EXIT event.
*/
while (!exit_application) {
/*
* Using a negative timeout (-1) in the call to bps_get_event(...)
* ensures that we don't busy wait by blocking until an event is
* available.
*/
bps_event_t *event = NULL;
bps_get_event(&event, -1);
if (event) {
/*
* If it is a geolocation event, determine the response code and
* handle the event accordingly.
*/
if (bps_event_get_domain(event) == geolocation_get_domain()) {
handle_geolocation_response(event);
}
/*
* If it is a dialog event, determine the response code and handle
* the event accordingly.
*/
else if (bps_event_get_domain(event) == dialog_get_domain()) {
/* We have no buttons so we don't need to do anything. */
;
}
/*
* If it is a NAVIGATOR_EXIT event then set the exit_application
* flag so the application will stop processing events, clean up and
* exit.
*/
else if (bps_event_get_domain(event) == navigator_get_domain()) {
exit_application = handle_navigator_event(event);
}
}
}
/*
* Stop geolocation events.
*/
geolocation_stop_events(0);
/*
* Destroy the dialog, if it exists.
*/
destroy_dialog();
/*
* Clean up the bps infrastructure and exit
*/
bps_shutdown();
cleanup_screen();
return 0;
}
/**
* A sample application that demonstrates the BlackBerry Native APIs for
* managing locale. The sample queries for the current locale and then listens
* for locale update events.
*/
int
main(int argc, char *argv[])
{
/*
* Before we can listen for events from the BlackBerry Tablet OS platform
* services, we need to initialize the BPS infrastructure
*/
bps_initialize();
if (setup_screen() != EXIT_SUCCESS) {
printf("Unable to set up the screen. Exiting.");
return 0;
}
/*
* Once the BPS infrastructure has been initialized we can register for
* events from the various BlackBerry Tablet OS platform services. The
* Navigator service manages and delivers application life cycle and
* visibility events.
* For this sample, we request Navigator events so that we can track when
* the system is terminating the application (NAVIGATOR_EXIT event) as well
* as Locale events so we can be notified when the locale is updated
*/
navigator_request_events(0);
locale_request_events(0);
dialog_request_events(0);
/*
* Create and display the dialog.
*/
create_dialog();
/*
* Retrieve and display the current Locale using the locale_get(...) API
*/
char* country = NULL;
char* language = NULL;
locale_get(&language, &country);
display_locale(language, country);
bps_free((char*)language);
bps_free((char*)country);
/*
* Process Locale and Navigator events until we receive a NAVIGATOR_EXIT event.
*/
int exit_application = 0;
while (!exit_application) {
/*
* Using a negative timeout (-1) in the call to bps_get_event(...)
* ensures that we don't busy wait by blocking until an event is
* available.
*/
bps_event_t *event = NULL;
bps_get_event(&event, -1);
if (event) {
if (bps_event_get_domain(event) == locale_get_domain()) {
/*
* If it is a LOCALE_INFO event then display the updated locale
* information
*/
if (LOCALE_INFO == bps_event_get_code(event)) {
/*
* The locale_event_get_language and locale_event_get_country
* calls return pointers to data within the event. When
* the event is destroyed below via the call to
* bps_event_destroy(event), the returned pointers would
* reference deallocated memory.
*
* To avoid potentially having pointers to dereferenced
* memory, we'll use local variables to store the pointers
* into the event data. This way, the pointers will go
* out of scope and thus cannot be used after the event
* is freed.
*/
const char* language = locale_event_get_language(event);
const char* country = locale_event_get_country(event);
display_locale(language, country);
}
}
/*
* If it is a NAVIGATOR_EXIT event then set the exit_application
* flag so the application will stop processing events, clean up
* and exit
*/
if (bps_event_get_domain(event) == navigator_get_domain()) {
if (NAVIGATOR_EXIT == bps_event_get_code(event)) {
exit_application = 1;
}
}
}
}
/*
* Destroy the dialog, if it exists and cleanup screen resources.
*/
destroy_dialog();
cleanup_screen();
/*
* Clean up the BPS infrastructure and exit
*/
bps_shutdown();
return 0;
}
int main( int argc, char **argv ) {
const char *mmrname = NULL;
const char *ctxtname = "testplayer";
const char *audioout = NULL;
const char *inputtype = "track";
char cwd[PATH_MAX];
char inputurl[PATH_MAX];
int rc;
int final_return_code = EXIT_FAILURE;
int exit_application = 0;
mmr_connection_t *connection = NULL;
mmr_context_t *ctxt = NULL;
/*
* Before we can listen for events from the BlackBerry(R) 10 OS platform
* services, we need to initialize the BPS infrastructure
*/
bps_initialize();
if (setup_screen() != EXIT_SUCCESS) {
printf("Unable to set up the screen. Exiting.");
return 0;
}
/*
* Once the BPS infrastructure has been initialized we can register for
* events from the various BlackBerry(R) 10 OS platform services. The
* Navigator service manages and delivers application life cycle and
* visibility events.
* For this sample, we request Navigator events so we can track when
* the system is terminating the application (NAVIGATOR_EXIT event).
* This allows us to clean up application resources.
*/
navigator_request_events(0);
dialog_request_events(0);
/*
* Create and display the dialog.
*/
create_dialog();
getcwd(cwd, PATH_MAX);
rc = snprintf(inputurl, PATH_MAX, "file://%s%s", cwd, WAV_RELATIVE_PATH);
if (rc > PATH_MAX - 1)
{
show_dialog_message("File name and path too long");
goto fail;
}
mode_t mode = S_IRUSR | S_IXUSR;
int audio_oid; // output ID
strm_dict_t *aoparams = NULL; // output parameters
audioout = DEFAULT_AUDIO_OUT;
if ( ( connection = mmr_connect( mmrname ) ) == NULL ) {
snprintf(msg, MSG_SIZE, "mmr_connect: %s", strerror(errno));
show_dialog_message(msg);
} else if ( ( ctxt = mmr_context_create( connection, ctxtname, 0, mode ) ) == NULL ) {
snprintf(msg, MSG_SIZE, "%s: %s", ctxtname, strerror(errno));
show_dialog_message(msg);
} else if ( audioout && ( audio_oid = mmr_output_attach( ctxt, audioout, "audio" ) ) < 0 ) {
mmrerror( ctxt, audioout );
} else if ( aoparams && mmr_output_parameters( ctxt, audio_oid, aoparams ) ) {
mmrerror( ctxt, "output parameters (audio)" );
} else if ( mmr_input_attach( ctxt, inputurl, inputtype ) < 0 ) {
mmrerror( ctxt, inputurl );
} else if ( mmr_play( ctxt ) < 0 ) {
mmrerror( ctxt, "mmr_play" );
} else if (BPS_SUCCESS != bps_add_sigevent_handler( &mmr_sigevent, mmr_sigevent_handler, ctxt ) ) {
snprintf( msg, MSG_SIZE, "bps_add_sigevent_handler() failure %s", strerror( errno ) );
show_dialog_message( msg );
} else if ( drain_and_arm_mmr_events ( ctxt ) ) {
snprintf( msg, MSG_SIZE, "drain_and_arm_mmr_events() failure %s", strerror( errno ) );
show_dialog_message( msg );
} else {
show_dialog_message( "Playing Audio\n" );
final_return_code = EXIT_SUCCESS;
}
fail:
/*
* Process Navigator events until we receive a NAVIGATOR_EXIT event.
*/
while (!exit_application) {
/*
* Using a negative timeout (-1) in the call to bps_get_event(...)
* ensures that we don't busy wait by blocking until an event is
* available.
*/
bps_event_t *event = NULL;
bps_get_event(&event, -1);
if (event) {
/*
* If it is a NAVIGATOR_EXIT event then set the exit_application
* flag so the application will stop processing events, clean up
* and exit
*/
if (bps_event_get_domain(event) == navigator_get_domain()) {
if (NAVIGATOR_EXIT == bps_event_get_code(event)) {
if (final_return_code == EXIT_SUCCESS) {
mmr_stop( ctxt ); // Not really necessary -- mmr_input_detach() would take care of this
mmr_input_detach( ctxt ); // Not really necessary -- mmr_context_destroy() would take care of this
mmr_context_destroy( ctxt ); // Not really necessary -- mmr_disconnect() would take care of this
mmr_disconnect( connection ); // Not really necessary -- exiting would take care of this
}
exit_application = 1;
}
} else if (bps_event_get_domain(event) == dialog_get_domain()) {
if (DIALOG_RESPONSE == bps_event_get_code(event)) {
handle_dialog_response_events(event);
}
}
}
}
/*
* Destroy the dialog, if it exists and cleanup screen resources.
*/
destroy_dialog();
cleanup_screen();
/*
* Clean up the BPS infrastructure and exit
*/
bps_shutdown();
return final_return_code;
}
static Errcode resize_screen()
{
Errcode err;
Rectangle oldsize;
Screen_mode oldmode;
Cmap ocolors;
oldmode = vconfg.smode;
copy_rectfields(vb.pencel,&oldsize);
scrub_cur_frame();
flush_tflx();
/* save old colors on stack */
ocolors.num_colors = COLORS;
pj_cmap_copy(vb.pencel->cmap,&ocolors);
push_close_toscreen();
for(;;)
{
free_undof(); /* re alloc'd by set penwndo size */
if((err = go_resize_screen(init_after_screen,
close_init_after)) < Success
&& err != Err_abort)
{
return(err); /* screen init failed, fatal */
}
if (err >= Success
&& soft_yes_no_box("full_flic"))
{
if(set_flisize((Rectangle *)&(vb.screen->wndo.RECTSTART))< Success)
continue; /* try again */
/* put back old cmap since it was trashed when screen was freed */
pj_cmap_copy(&ocolors,vb.pencel->cmap);
see_cmap();
if ((err = empty_newflx()) < Success)
return(err);
}
else
{
if((err = set_flisize(&oldsize)) < Success)
continue; /* try again */
if((err = open_tempflx(TRUE)) < Success)
{
softerr(err,"tflx_screen");
close_init_after();
cleanup_screen();
if((err = init_screen(&oldmode,NULL,init_after_screen))
< Success)
return(err); /* fatal */
/* if next reopen fails waste file but leave settings */
return(reopen_tempflx(FALSE));
}
}
return(RESTART_VPAINT);
}
}
Errcode init_screen(Screen_mode *smode,Screen_mode *altmode,
Errcode (*init_with_screen)(void *iwdat), void *iwdat )
/* try to open video in smode, if that fails try altmode if altmode is
* is the same as smode, simply fail. If altmode is NULL try generic MCGA
* mode. if a screen is opened successfully setup every thing else
* needed for menuing system, if window and menu system open fails, cleanup
* screen and return Error. If smode is selected return 0 altmode 1.
* if screen stuff is open before this is called one must call
* cleanup_screen() first. The init_with_screen() function
* is used since most systems here need to have things intimately linked
* with the screen that must be present for the screen to be considered
* valid if it is NULL it won't be called. If it returns error the screen is
* cleaned up and the error returned */
{
int err = Err_nogood;
Screen_mode sm;
Errcode goodret = 0;
extern char pj_mcga_name[];
/* set up GS segment */
pj_set_gs();
/* open screen driver and open screen */
sm = *smode;
if(vb.ivmode == -1) /* not yet saved */
vb.ivmode = pj_get_vmode(); /* save startup dos video mode */
if((err = open_screen(&sm, sm.drv_name)) < Success)
{
if(altmode == smode) /* no alternate */
goto error;
if(altmode != NULL)
sm = *altmode;
else
{
clear_struct(&sm);
strcpy(sm.drv_name,pj_mcga_name);
}
if ((err = open_screen(&sm, sm.drv_name)) < Success)
goto error;
goodret = 1;
}
else
goodret = 0;
/* install and set initial colormap */
pj_get_default_cmap(vb.cel_a->cmap);
pj_cmap_load(vb.cel_a,vb.cel_a->cmap);
/* open window control on display rasters */
{
WscrInit newscr;
clear_mem(&newscr,sizeof(newscr));
newscr.max_wins = 10;
newscr.disp_driver = vb.vd;
newscr.cel_a = vb.cel_a;
newscr.cel_b = vb.cel_b;
newscr.flags = (WS_MUCOLORS); /* yep we want 'em */
newscr.cursor = (Cursorhdr *)get_default_cursor();
if((err = open_wscreen(&vb.screen,&newscr)) < 0)
goto error;
vb.screen->mc_ideals = &vconfg.mc_ideals;
}
/* set pre calc'd center point */
vb.scrcent.x = vb.screen->wndo.width>>1;
vb.scrcent.y = vb.screen->wndo.height>>1;
/* for safety set initial window to whole screen */
vb.pencel = (Rcel *)&(vb.screen->wndo);
if((err = init_muscreen(vb.screen)) < 0) /* initialize menu control */
goto error;
set_menu_scale(vb.screen);
set_cursor(vb.screen->cursor);
if((err = init_input()) < 0) /* at this point we may use text boxes */
goto error;
if(init_with_screen != NULL
&& (err = init_with_screen(iwdat)) < Success)
{
goto error;
}
init_wrefresh(vb.screen);
/* save actual operational setting in config file */
if(memcmp(&sm,&vconfg.smode))
{
vconfg.smode = sm;
rewrite_config();
}
return(goodret);
error:
cleanup_screen();
return(err);
}
// This is Main, there are many others like it but this is the main one...
int main() {
setup_screen();
Megamaniac();
cleanup_screen();
return 0;
}
int
main(int argc, char **argv)
{
FILE *file;
int samples;
char *sample_buffer;
int rtn, final_return_code = -1, exit_application = 0;
int bsize, bytes_read, total_written = 0;
fd_set rfds, wfds;
char input_file[PATH_MAX];
char cwd[PATH_MAX];
/*
* Before we can listen for events from the BlackBerry Tablet OS platform
* services, we need to initialize the BPS infrastructure
*/
bps_initialize();
if (setup_screen() != EXIT_SUCCESS) {
printf("Unable to set up the screen. Exiting.");
exit(-1);
}
/*
* Once the BPS infrastructure has been initialized we can register for
* events from the various BlackBerry Tablet OS platform services. The
* Navigator service manages and delivers application life cycle and
* visibility events.
*
* For this sample, we request Navigator events so we can track when
* the system is terminating the application (NAVIGATOR_EXIT event).
* This allows us to clean up application resources.
*
* We request Audio Device events because we want to make sure that
* we properly handle changes in audio output.
*
* We request dialog events to properly initialize the dialog
* subsystem in order to display status and error messages.
*/
if (BPS_SUCCESS != navigator_request_events(0)) {
fprintf(stderr, "Error requesting navigator events: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != dialog_request_events(0)) {
fprintf(stderr, "Error requesting dialog events: %s", strerror(errno));
exit(-1);
}
if (BPS_SUCCESS != audiodevice_request_events(0)) {
fprintf(stderr, "Error requesting audio device events: %s", strerror(errno));
exit(-1);
}
/*
* Create and display the dialog.
*/
create_dialog();
/*
* Open and check the input file.
*/
getcwd(cwd, PATH_MAX);
rtn = snprintf(input_file, PATH_MAX, "%s/%s", cwd, WAV_RELATIVE_PATH);
if (rtn > PATH_MAX - 1) {
err("File name and path too long");
goto fail1;
}
if ((file = fopen(input_file, "r")) == 0) {
err("File open failed");
goto fail1;
}
if (check_hdr(file) == -1) {
err("check_hdr failed");
goto fail2;
}
/*
* Parse the headers in the wav file to figure out what kind of data we
* are dealing with in the file.
*/
samples = find_tag(file, "fmt ");
fread(&wav_header, sizeof(wav_header), 1, file);
fseek(file,(samples - sizeof(wave_hdr)), SEEK_CUR);
sample_rate = ENDIAN_LE32(wav_header.samples_per_sec);
sample_channels = ENDIAN_LE16(wav_header.channels);
sample_bits = ENDIAN_LE16(wav_header.bits_per_sample);
snprintf(msg, MSG_SIZE, "SampleRate = %d, channels = %d, SampleBits = %d\n", sample_rate, sample_channels,
sample_bits);
show_dialog_message(msg);
if (setup_snd(NULL)) {
goto fail2;
}
bsize = setup.buf.block.frag_size;
samples = find_tag(file, "data");
sample_buffer = malloc(bsize);
if (!sample_buffer) {
goto fail3;
}
FD_ZERO(&rfds);
FD_ZERO(&wfds);
bytes_read = 1;
while (total_written < samples && bytes_read > 0 ) {
bps_event_t *event = NULL;
while (BPS_SUCCESS == bps_get_event(&event, 0) && event) {
/*
* If it is a NAVIGATOR_EXIT event then we are done so stop
* processing events, clean up and exit
*/
if (bps_event_get_domain(event) == navigator_get_domain()) {
if (NAVIGATOR_EXIT == bps_event_get_code(event)) {
exit_application = 1;
goto success;
}
}
if (bps_event_get_domain(event) == audiodevice_get_domain()) {
/*
* If it is a audio device event then it means a new audio device
* has been enabled and a switch is required. We close the old,
* open the new audio device using the path and get the card number so
* that we can close and re-open the mixer with the new card
* number.
*/
const char * audiodevice_path = audiodevice_event_get_path(event);
if (NULL == audiodevice_path) {
snprintf(msg, MSG_SIZE, "audiodevice_event_get_path failed: %s\n", snd_strerror(rtn));
show_dialog_message(msg);
goto fail5;
}
if ((rtn = snd_mixer_close(mixer_handle)) < 0) {
snprintf(msg, MSG_SIZE, "snd_mixer_close failed: %s\n", snd_strerror(rtn));
show_dialog_message(msg);
goto fail4;
}
if ((rtn = snd_pcm_close(pcm_handle)) < 0) {
snprintf(msg, MSG_SIZE, "snd_pcm_close failed: %s\n", snd_strerror(rtn));
show_dialog_message(msg);
goto fail3;
}
if (setup_snd(audiodevice_path)) {
/*
* setup_snd() closes pcm and mixer handles in the case of error so we
* skip clean up of the handles in the case of failure.
*/
goto fail3;
}
}
}
if (tcgetpgrp(0) == getpid())
FD_SET(STDIN_FILENO, &rfds);
FD_SET(snd_mixer_file_descriptor(mixer_handle), &rfds);
FD_SET(snd_pcm_file_descriptor(pcm_handle, SND_PCM_CHANNEL_PLAYBACK), &wfds);
rtn = max(snd_mixer_file_descriptor(mixer_handle),
snd_pcm_file_descriptor(pcm_handle, SND_PCM_CHANNEL_PLAYBACK));
if (select(rtn + 1, &rfds, &wfds, NULL, NULL) == -1) {
err("select");
goto fail5;
}
if (FD_ISSET(snd_pcm_file_descriptor(pcm_handle, SND_PCM_CHANNEL_PLAYBACK), &wfds)) {
snd_pcm_channel_status_t status;
int written = 0;
if ((bytes_read = fread(sample_buffer, 1, min(samples - total_written, bsize), file)) <= 0)
continue;
written = snd_pcm_plugin_write(pcm_handle, sample_buffer, bytes_read);
if (written < bytes_read) {
memset(&status, 0, sizeof(status));
status.channel = SND_PCM_CHANNEL_PLAYBACK;
if (snd_pcm_plugin_status(pcm_handle, &status) < 0) {
show_dialog_message("underrun: playback channel status error\n");
goto fail5;
}
if (status.status == SND_PCM_STATUS_READY ||
status.status == SND_PCM_STATUS_UNDERRUN) {
if (snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK) < 0) {
show_dialog_message("underrun: playback channel prepare error\n");
goto fail5;
}
}
if (written < 0)
written = 0;
written += snd_pcm_plugin_write(pcm_handle, sample_buffer + written, bytes_read - written);
}
total_written += written;
}
}
success:
bytes_read = snd_pcm_plugin_flush(pcm_handle, SND_PCM_CHANNEL_PLAYBACK);
final_return_code = 0;
/*
* there are return codes to these close calls, but we would do the same
* thing regardless of error or success so we do not check the return codes.
*/
fail5:
snd_mixer_close(mixer_handle);
fail4:
snd_pcm_close(pcm_handle);
fail3:
free(sample_buffer);
sample_buffer = NULL;
fail2:
fclose(file);
fail1:
while (!exit_application) {
/*
* Something went wrong so there is probably an error message and
* we don't want to exit right away because we want the user to see
* the message in the dialog.
*
* Using a negative timeout (-1) in the call to bps_get_event(...)
* ensures that we don't busy wait by blocking until an event is
* available.
*/
bps_event_t *event = NULL;
bps_get_event(&event, -1);
if (event) {
/*
* If it is a NAVIGATOR_EXIT event then we are done so stop
* processing events, clean up and exit
*/
if (bps_event_get_domain(event) == navigator_get_domain()) {
if (NAVIGATOR_EXIT == bps_event_get_code(event)) {
exit_application = 1;
}
}
}
}
/*
* Destroy the dialog, if it exists and cleanup screen resources.
*/
destroy_dialog();
cleanup_screen();
bps_shutdown();
return final_return_code;
}
int
setup_screen()
{
if (screen_create_context(&screen_ctx, SCREEN_APPLICATION_CONTEXT) != 0) {
return EXIT_FAILURE;
}
//Signal BPS library that navigator orientation is to be locked
if (BPS_SUCCESS != navigator_rotation_lock(true)) {
screen_destroy_context(screen_ctx);
return EXIT_FAILURE;
}
if (screen_create_window(&screen_win, screen_ctx) != 0) {
screen_destroy_context(screen_ctx);
return EXIT_FAILURE;
}
if (screen_create_window_group(screen_win, get_window_group_id()) != 0) goto fail;
int usage = SCREEN_USAGE_NATIVE;
if (screen_set_window_property_iv(screen_win, SCREEN_PROPERTY_USAGE, &usage) != 0) goto fail;
int size[2];
if (screen_get_window_property_iv(screen_win, SCREEN_PROPERTY_BUFFER_SIZE, size) != 0) goto fail;
screen_display_t screen_disp;
screen_get_window_property_pv(screen_win, SCREEN_PROPERTY_DISPLAY, (void **)&screen_disp);
screen_display_mode_t screen_mode;
if (screen_get_display_property_pv(screen_disp, SCREEN_PROPERTY_MODE, (void**)&screen_mode) != 0) goto fail;
int buffer_size[2] = {size[0], size[1]};
int angle = atoi(getenv("ORIENTATION"));
if ((angle == 0) || (angle == 180)) {
if (((screen_mode.width > screen_mode.height) && (size[0] < size[1])) ||
((screen_mode.width < screen_mode.height) && (size[0] > size[1]))) {
buffer_size[1] = size[0];
buffer_size[0] = size[1];
}
} else if ((angle == 90) || (angle == 270)){
if (((screen_mode.width > screen_mode.height) && (size[0] > size[1])) ||
((screen_mode.width < screen_mode.height && size[0] < size[1]))) {
buffer_size[1] = size[0];
buffer_size[0] = size[1];
}
} else {
goto fail;
}
if (screen_set_window_property_iv(screen_win, SCREEN_PROPERTY_BUFFER_SIZE, buffer_size) != 0) goto fail;
if (screen_set_window_property_iv(screen_win, SCREEN_PROPERTY_ROTATION, &angle) != 0) goto fail;
if (screen_create_window_buffers(screen_win, 1) != 0) goto fail;
screen_buffer_t buff;
if (screen_get_window_property_pv(screen_win, SCREEN_PROPERTY_RENDER_BUFFERS, (void*)&buff) != 0) goto fail;
int attribs[1] = {SCREEN_BLIT_END};
if (screen_fill(screen_ctx, buff, attribs) != 0) goto fail;
int dirty_rects[4] = {0, 0, buffer_size[0], buffer_size[1]};
if (screen_post_window(screen_win, buff, 1, (const int*)dirty_rects, 0) != 0) goto fail;
return EXIT_SUCCESS;
fail:
perror(NULL);
cleanup_screen();
return EXIT_FAILURE;
}