static void Inhibit (vlc_inhibit_t *ih, unsigned mask)
{
vlc_inhibit_sys_t *sys = ih->p_sys;
bool suspend = (mask & VLC_INHIBIT_DISPLAY) != 0;
mtime_t delay = suspend ? 30 * CLOCK_FREQ : INT64_C(0);
vlc_timer_schedule (sys->timer, false, delay, delay);
}
/**
* Process one RTP packet from the de-jitter queue.
*/
static void rtp_process (void *data)
{
demux_t *demux = data;
demux_sys_t *p_sys = demux->p_sys;
mtime_t deadline;
vlc_mutex_lock (&p_sys->lock);
if (rtp_dequeue (demux, p_sys->session, &deadline))
vlc_timer_schedule (p_sys->timer, true, deadline, 0);
vlc_mutex_unlock (&p_sys->lock);
}
/**
* Destroys an initialized timer. If needed, the timer is first disarmed.
* This function is undefined if the specified timer is not initialized.
*
* @warning This function <b>must</b> be called before the timer data can be
* freed and before the timer callback function can be unloaded.
*
* @param timer timer to destroy
*/
void vlc_timer_destroy (vlc_timer_t timer)
{
vlc_timer_schedule (timer, false, 0, 0);
vlc_mutex_lock (&timer->lock);
while (timer->users != 0)
vlc_cond_wait (&timer->wait, &timer->lock);
vlc_mutex_unlock (&timer->lock);
vlc_cond_destroy (&timer->wait);
vlc_mutex_destroy (&timer->lock);
free (timer);
}
static void CALLBACK vlc_timer_do (unsigned timer_id, unsigned msg,
DWORD_PTR user, DWORD_PTR unused1,
DWORD_PTR unused2)
{
struct vlc_timer *timer = (struct vlc_timer *) user;
assert (timer_id == timer->id);
(void) msg;
(void) unused1;
(void) unused2;
timer->func (timer->data);
if (timer->interval)
{
mtime_t interval = timer->interval * 1000;
vlc_timer_schedule (timer, false, interval, interval);
}
}
/*****************************************************************************
* CreateFilter: allocates RSS video filter
*****************************************************************************/
static int CreateFilter( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
char *psz_urls;
int i_ttl;
/* Allocate structure */
p_sys = p_filter->p_sys = (filter_sys_t *)malloc( sizeof( filter_sys_t ) ); // sunqueen modify
if( p_sys == NULL )
return VLC_ENOMEM;
config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
/* Get the urls to parse: must be non empty */
psz_urls = var_CreateGetNonEmptyString( p_filter, CFG_PREFIX "urls" );
if( !psz_urls )
{
msg_Err( p_filter, "The list of urls must not be empty" );
free( p_sys );
return VLC_EGENERIC;
}
/* Fill the p_sys structure with the configuration */
p_sys->i_title = var_CreateGetInteger( p_filter, CFG_PREFIX "title" );
p_sys->i_cur_feed = 0;
p_sys->i_cur_item = p_sys->i_title == scroll_title ? -1 : 0;
p_sys->i_cur_char = 0;
p_sys->i_feeds = 0;
p_sys->p_feeds = NULL;
p_sys->i_speed = var_CreateGetInteger( p_filter, CFG_PREFIX "speed" );
p_sys->i_length = var_CreateGetInteger( p_filter, CFG_PREFIX "length" );
p_sys->b_images = var_CreateGetBool( p_filter, CFG_PREFIX "images" );
i_ttl = __MAX( 0, var_CreateGetInteger( p_filter, CFG_PREFIX "ttl" ) );
p_sys->psz_marquee = (char *)malloc( p_sys->i_length + 1 ); // sunqueen modify
if( p_sys->psz_marquee == NULL )
{
free( psz_urls );
free( p_sys );
return VLC_ENOMEM;
}
p_sys->psz_marquee[p_sys->i_length] = '\0';
p_sys->p_style = text_style_New();
if( p_sys->p_style == NULL )
goto error;
p_sys->i_xoff = var_CreateGetInteger( p_filter, CFG_PREFIX "x" );
p_sys->i_yoff = var_CreateGetInteger( p_filter, CFG_PREFIX "y" );
p_sys->i_pos = var_CreateGetInteger( p_filter, CFG_PREFIX "position" );
p_sys->p_style->i_font_alpha = 255 - var_CreateGetInteger( p_filter, CFG_PREFIX "opacity" );
p_sys->p_style->i_font_color = var_CreateGetInteger( p_filter, CFG_PREFIX "color" );
p_sys->p_style->i_font_size = var_CreateGetInteger( p_filter, CFG_PREFIX "size" );
if( p_sys->b_images && p_sys->p_style->i_font_size == -1 )
{
msg_Warn( p_filter, "rss-size wasn't specified. Feed images will thus be displayed without being resized" );
}
/* Parse the urls */
if( ParseUrls( p_filter, psz_urls ) )
goto error;
/* Misc init */
vlc_mutex_init( &p_sys->lock );
p_filter->pf_sub_source = Filter;
p_sys->last_date = (mtime_t)0;
p_sys->b_fetched = false;
/* Create and arm the timer */
if( vlc_timer_create( &p_sys->timer, Fetch, p_filter ) )
{
vlc_mutex_destroy( &p_sys->lock );
goto error;
}
vlc_timer_schedule( p_sys->timer, false, 1,
(mtime_t)(i_ttl)*1000000 );
free( psz_urls );
return VLC_SUCCESS;
error:
if( p_sys->p_style )
text_style_Delete( p_sys->p_style );
free( p_sys->psz_marquee );
free( psz_urls );
free( p_sys );
return VLC_ENOMEM;
}
static void Inhibit( vlc_inhibit_t *p_ih, bool suspend )
{
mtime_t d = suspend ? 30*CLOCK_FREQ : 0;
vlc_timer_schedule( p_ih->p_sys->timer, false, d, d );
}
/**
* Probes and initializes.
*/
static int Open (vlc_object_t *obj)
{
demux_t *demux = (demux_t *)obj;
demux_sys_t *p_sys = malloc (sizeof (*p_sys));
if (p_sys == NULL)
return VLC_ENOMEM;
demux->p_sys = p_sys;
/* Connect to X server */
char *display = var_InheritString (obj, "x11-display");
int snum;
xcb_connection_t *conn = xcb_connect (display, &snum);
free (display);
if (xcb_connection_has_error (conn))
{
free (p_sys);
return VLC_EGENERIC;
}
p_sys->conn = conn;
/* Find configured screen */
if (!strcmp (demux->psz_access, "screen"))
{
const xcb_setup_t *setup = xcb_get_setup (conn);
const xcb_screen_t *scr = NULL;
for (xcb_screen_iterator_t i = xcb_setup_roots_iterator (setup);
i.rem > 0; xcb_screen_next (&i))
{
if (snum == 0)
{
scr = i.data;
break;
}
snum--;
}
if (scr == NULL)
{
msg_Err (obj, "bad X11 screen number");
goto error;
}
p_sys->window = scr->root;
}
else
/* Determine capture window */
if (!strcmp (demux->psz_access, "window"))
{
char *end;
unsigned long ul = strtoul (demux->psz_location, &end, 0);
if (*end || ul > 0xffffffff)
{
msg_Err (obj, "bad X11 drawable %s", demux->psz_location);
goto error;
}
p_sys->window = ul;
xcb_composite_query_version_reply_t *r =
xcb_composite_query_version_reply (conn,
xcb_composite_query_version (conn, 0, 4), NULL);
if (r == NULL || r->minor_version < 2)
{
msg_Err (obj, "X Composite extension not available");
free (r);
goto error;
}
msg_Dbg (obj, "using Composite extension v%"PRIu32".%"PRIu32,
r->major_version, r->minor_version);
free (r);
xcb_composite_redirect_window (conn, p_sys->window,
XCB_COMPOSITE_REDIRECT_AUTOMATIC);
}
else
goto error;
/* Window properties */
p_sys->pixmap = xcb_generate_id (conn);
p_sys->w = var_InheritInteger (obj, "screen-width");
p_sys->h = var_InheritInteger (obj, "screen-height");
if (p_sys->w != 0 || p_sys->h != 0)
p_sys->follow_mouse = var_InheritBool (obj, "screen-follow-mouse");
else /* Following mouse is meaningless if width&height are dynamic. */
p_sys->follow_mouse = false;
if (!p_sys->follow_mouse) /* X and Y are meaningless if following mouse */
{
p_sys->x = var_InheritInteger (obj, "screen-left");
p_sys->y = var_InheritInteger (obj, "screen-top");
}
/* Initializes format */
p_sys->rate = var_InheritFloat (obj, "screen-fps");
if (!p_sys->rate)
goto error;
p_sys->interval = (float)CLOCK_FREQ / p_sys->rate;
if (!p_sys->interval)
goto error;
var_Create (obj, "screen-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
p_sys->cur_w = 0;
p_sys->cur_h = 0;
p_sys->es = NULL;
p_sys->pts = VLC_TS_INVALID;
if (vlc_timer_create (&p_sys->timer, Demux, demux))
goto error;
vlc_timer_schedule (p_sys->timer, false, 1, p_sys->interval);
/* Initializes demux */
demux->pf_demux = NULL;
demux->pf_control = Control;
return VLC_SUCCESS;
error:
xcb_disconnect (p_sys->conn);
free (p_sys);
return VLC_EGENERIC;
}
/**
* Control callback
*/
static int Control (demux_t *demux, int query, va_list args)
{
demux_sys_t *p_sys = demux->p_sys;
switch (query)
{
case DEMUX_GET_POSITION:
{
float *v = va_arg (args, float *);
*v = 0.;
return VLC_SUCCESS;
}
case DEMUX_GET_LENGTH:
case DEMUX_GET_TIME:
{
int64_t *v = va_arg (args, int64_t *);
*v = 0;
return VLC_SUCCESS;
}
/* TODO: get title info -> crawl visible windows */
case DEMUX_GET_PTS_DELAY:
{
int64_t *v = va_arg (args, int64_t *);
*v = var_GetInteger (demux, "screen-caching") * UINT64_C(1000);
return VLC_SUCCESS;
}
case DEMUX_CAN_PAUSE:
{
bool *v = (bool*)va_arg( args, bool * );
*v = true;
return VLC_SUCCESS;
}
case DEMUX_SET_PAUSE_STATE:
{
bool pausing = va_arg (args, int);
if (!pausing)
{
vlc_mutex_lock (&p_sys->lock);
p_sys->pts = VLC_TS_INVALID;
es_out_Control (demux->out, ES_OUT_RESET_PCR);
vlc_mutex_unlock (&p_sys->lock);
}
vlc_timer_schedule (p_sys->timer, false,
pausing ? 0 : 1, p_sys->interval);
return VLC_SUCCESS;
}
case DEMUX_CAN_CONTROL_PACE:
case DEMUX_CAN_CONTROL_RATE:
case DEMUX_CAN_SEEK:
{
bool *v = (bool*)va_arg( args, bool * );
*v = false;
return VLC_SUCCESS;
}
}
return VLC_EGENERIC;
}
/**
* Probes and initializes.
*/
static int Open (vlc_object_t *obj)
{
demux_t *demux = (demux_t *)obj;
demux_sys_t *p_sys = malloc (sizeof (*p_sys));
if (p_sys == NULL)
return VLC_ENOMEM;
demux->p_sys = p_sys;
/* Connect to X server */
char *display = var_CreateGetNonEmptyString (obj, "x11-display");
int snum;
xcb_connection_t *conn = xcb_connect (display, &snum);
free (display);
if (xcb_connection_has_error (conn))
{
free (p_sys);
return VLC_EGENERIC;
}
p_sys->conn = conn;
/* Find configured screen */
const xcb_setup_t *setup = xcb_get_setup (conn);
const xcb_screen_t *scr = NULL;
for (xcb_screen_iterator_t i = xcb_setup_roots_iterator (setup);
i.rem > 0; xcb_screen_next (&i))
{
if (snum == 0)
{
scr = i.data;
break;
}
snum--;
}
if (scr == NULL)
{
msg_Err (obj, "bad X11 screen number");
goto error;
}
/* Determine capture window */
p_sys->root = scr->root;
if (!strcmp (demux->psz_access, "screen"))
p_sys->window = p_sys->root;
else
if (!strcmp (demux->psz_access, "window"))
{
char *end;
unsigned long ul = strtoul (demux->psz_path, &end, 0);
if (*end || ul > 0xffffffff)
{
msg_Err (obj, "bad X11 drawable %s", demux->psz_path);
goto error;
}
p_sys->window = ul;
}
else
goto error;
/* Window properties */
p_sys->x = var_CreateGetInteger (obj, "screen-left");
p_sys->y = var_CreateGetInteger (obj, "screen-top");
p_sys->w = var_CreateGetInteger (obj, "screen-width");
p_sys->h = var_CreateGetInteger (obj, "screen-height");
uint32_t chroma = 0;
uint8_t bpp;
for (const xcb_format_t *fmt = xcb_setup_pixmap_formats (setup),
*end = fmt + xcb_setup_pixmap_formats_length (setup);
fmt < end; fmt++)
{
if (fmt->depth != scr->root_depth)
continue;
bpp = fmt->depth;
switch (fmt->depth)
{
case 32:
if (fmt->bits_per_pixel == 32)
chroma = VLC_CODEC_RGBA;
break;
case 24:
if (fmt->bits_per_pixel == 32)
{
chroma = VLC_CODEC_RGB32;
bpp = 32;
}
else if (fmt->bits_per_pixel == 24)
chroma = VLC_CODEC_RGB24;
break;
case 16:
if (fmt->bits_per_pixel == 16)
chroma = VLC_CODEC_RGB16;
break;
case 15:
if (fmt->bits_per_pixel == 16)
chroma = VLC_CODEC_RGB15;
break;
case 8: /* XXX: screw grey scale! */
if (fmt->bits_per_pixel == 8)
chroma = VLC_CODEC_RGB8;
break;
}
if (chroma != 0)
break;
}
if (!chroma)
{
msg_Err (obj, "unsupported pixmap formats");
goto error;
}
/* Initializes format */
float rate = var_CreateGetFloat (obj, "screen-fps");
if (!rate)
goto error;
p_sys->interval = (float)CLOCK_FREQ / rate;
if (!p_sys->interval)
goto error;
var_Create (obj, "screen-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
es_format_Init (&p_sys->fmt, VIDEO_ES, chroma);
p_sys->fmt.video.i_chroma = chroma;
p_sys->fmt.video.i_bits_per_pixel = bpp;
p_sys->fmt.video.i_sar_num = p_sys->fmt.video.i_sar_den = 1;
p_sys->fmt.video.i_frame_rate = 1000 * rate;
p_sys->fmt.video.i_frame_rate_base = 1000;
p_sys->es = NULL;
p_sys->pts = VLC_TS_INVALID;
vlc_mutex_init (&p_sys->lock);
if (vlc_timer_create (&p_sys->timer, Demux, demux))
goto error;
vlc_timer_schedule (p_sys->timer, false, 1, p_sys->interval);
/* Initializes demux */
demux->pf_demux = NULL;
demux->pf_control = Control;
return VLC_SUCCESS;
error:
xcb_disconnect (p_sys->conn);
free (p_sys);
return VLC_EGENERIC;
}
int main (void)
{
struct timer_data data;
mtime_t ts;
int val;
vlc_mutex_init (&data.lock);
vlc_cond_init (&data.wait);
data.count = 0;
val = vlc_timer_create (&data.timer, callback, &data);
assert (val == 0);
vlc_timer_destroy (data.timer);
assert (data.count == 0);
val = vlc_timer_create (&data.timer, callback, &data);
assert (val == 0);
vlc_timer_schedule (data.timer, false, CLOCK_FREQ << 20, CLOCK_FREQ);
vlc_timer_destroy (data.timer);
assert (data.count == 0);
val = vlc_timer_create (&data.timer, callback, &data);
assert (val == 0);
/* Relative timer */
ts = mdate ();
vlc_timer_schedule (data.timer, false, 1, CLOCK_FREQ / 100);
vlc_mutex_lock (&data.lock);
while (data.count <= 10)
vlc_cond_wait(&data.wait, &data.lock);
ts = mdate () - ts;
printf ("%u iterations in %"PRId64" us\n", data.count, ts);
data.count = 0;
vlc_mutex_unlock (&data.lock);
assert(ts >= (CLOCK_FREQ / 10));
vlc_timer_schedule (data.timer, false, 0, 0);
/* Absolute timer */
ts = mdate ();
vlc_timer_schedule (data.timer, true, ts + CLOCK_FREQ / 10,
CLOCK_FREQ / 100);
vlc_mutex_lock (&data.lock);
while (data.count <= 10)
vlc_cond_wait(&data.wait, &data.lock);
ts = mdate () - ts;
printf ("%u iterations in %"PRId64" us\n", data.count, ts);
vlc_mutex_unlock (&data.lock);
assert(ts >= (CLOCK_FREQ / 5));
vlc_timer_destroy (data.timer);
vlc_cond_destroy (&data.wait);
vlc_mutex_destroy (&data.lock);
return 0;
}
