#include <vlc_es.h>
#include <vlc_picture.h>
+#include <vlc_picture_pool.h>
#include <vlc_subpicture.h>
#include <vlc_keys.h>
#include <vlc_mouse.h>
typedef struct vout_display_owner_sys_t vout_display_owner_sys_t;
/**
- * It specifies the possible alignment used in vout_display.
+ * Possible alignments for vout_display.
*/
typedef enum
{
VOUT_DISPLAY_ALIGN_BOTTOM,
} vout_display_align_t;
+/**
+ * Window management state.
+ */
+enum {
+ VOUT_WINDOW_STATE_NORMAL=0,
+ VOUT_WINDOW_STATE_ABOVE=1,
+ VOUT_WINDOW_STATE_BELOW=2,
+ VOUT_WINDOW_STACK_MASK=3,
+};
+
/**
* Initial/Current configuration for a vout_display_t
*/
const char *title;
/* Display size */
- int width;
- int height;
+ unsigned width;
+ unsigned height;
/* Display SAR */
struct {
- int num;
- int den;
+ unsigned num;
+ unsigned den;
} sar;
} display;
* Control query for vout_display_t
*/
enum {
- /* Hide the mouse. It will be send when
+ /* Hide the mouse. It will be sent when
* vout_display_t::info.b_hide_mouse is false */
VOUT_DISPLAY_HIDE_MOUSE,
VOUT_DISPLAY_RESET_PICTURES,
/* Ask the module to acknowledge/refuse the fullscreen state change after
- * being requested (externaly or by VOUT_DISPLAY_EVENT_FULLSCREEN */
+ * being requested (externally or by VOUT_DISPLAY_EVENT_FULLSCREEN */
VOUT_DISPLAY_CHANGE_FULLSCREEN, /* const vout_display_cfg_t *p_cfg */
- /* Ask the module to acknowledge/refuse the on top state change after
- * being requested externaly */
- VOUT_DISPLAY_CHANGE_ON_TOP, /* int b_on_top */
+ /* Ask the module to acknowledge/refuse the window management state change
+ * after being requested externally or by VOUT_DISPLAY_WINDOW_STATE */
+ VOUT_DISPLAY_CHANGE_WINDOW_STATE, /* unsigned state */
/* Ask the module to acknowledge/refuse the display size change requested
- * (externaly or by VOUT_DISPLAY_EVENT_DISPLAY_SIZE) */
- VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, /* const vout_display_cfg_t *p_cfg */
+ * (externally or by VOUT_DISPLAY_EVENT_DISPLAY_SIZE) */
+ VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, /* const vout_display_cfg_t *p_cfg, int is_forced */
/* Ask the module to acknowledge/refuse fill display state change after
- * being requested externaly */
+ * being requested externally */
VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, /* const vout_display_cfg_t *p_cfg */
/* Ask the module to acknowledge/refuse zoom change after being requested
- * externaly */
+ * externally */
VOUT_DISPLAY_CHANGE_ZOOM, /* const vout_display_cfg_t *p_cfg */
/* Ask the module to acknowledge/refuse source aspect ratio after being
- * requested externaly */
+ * requested externally */
VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, /* const video_format_t *p_source */
/* Ask the module to acknowledge/refuse source crop change after being
- * requested externaly.
+ * requested externally.
* The cropping requested is stored by video_format_t::i_x/y_offset and
* video_format_t::i_visible_width/height */
VOUT_DISPLAY_CHANGE_SOURCE_CROP, /* const video_format_t *p_source */
+
+ /* Ask an opengl interface if available. */
+ VOUT_DISPLAY_GET_OPENGL, /* vout_opengl_t ** */
};
/**
* Event from vout_display_t
*
- * For event that modifiy the state, you may send them multiple of times,
- * only the transition will be kept and act upon.
+ * Events modifiying the state may be sent multiple times.
+ * Only the transition will be retained and acted upon.
*/
enum {
/* TODO:
VOUT_DISPLAY_EVENT_PICTURES_INVALID, /* The buffer are now invalid and need to be changed */
VOUT_DISPLAY_EVENT_FULLSCREEN,
+ VOUT_DISPLAY_EVENT_WINDOW_STATE,
- VOUT_DISPLAY_EVENT_DISPLAY_SIZE, /* The display size need to change : int i_width, int i_height */
+ VOUT_DISPLAY_EVENT_DISPLAY_SIZE, /* The display size need to change : int i_width, int i_height, bool is_fullscreen */
/* */
VOUT_DISPLAY_EVENT_CLOSE,
*/
vout_display_owner_sys_t *sys;
- /* Event comming from the module
+ /* Event coming from the module
*
* This function is set prior to the module instantiation and must not
* be overwritten nor used directly (use the vout_display_SendEvent*
* wrapper.
*
- * You can send it at any time ie from any vout_display_t functions
- * (TODO add support from a private thread).
+ * You can send it at any time i.e. from any vout_display_t functions or
+ * from another thread.
+ * Be careful, it does not ensure correct serialization if it is used
+ * from multiple threads.
*/
void (*event)(vout_display_t *, int, va_list);
module_t *module;
/* Initial and current configuration.
- * You cannot modify it directly, you must use the appropriate event.
+ * You cannot modify it directly, you must use the appropriate events.
*
- * It reflects the current in use value ie after the event has been accepted
+ * It reflects the current values, i.e. after the event has been accepted
* and applied/configured if needed.
*/
const vout_display_cfg_t *cfg;
/* video source format.
*
- * You are guaranted that in the open function, no cropping is asked.
+ * Cropping is not requested while in the open function.
* You cannot change it.
*/
video_format_t source;
/* picture_t format.
*
* You can only change it inside the module open function to
- * match what you want and when a VOUT_DISPLAY_RESET_PICTURES
- * is called on your module and was successfull.
+ * match what you want, and when a VOUT_DISPLAY_RESET_PICTURES control
+ * request is made and succeeds.
*
* By default, it is equal to ::source except for the aspect ratio
* which is undefined(0) and is ignored.
/* Informations
*
- * You can only set then in the open function.
+ * You can only set them in the open function.
*/
vout_display_info_t info;
- /* Return a new picture_t (mandatory).
+ /* Return a pointer over the current picture_pool_t* (mandatory).
*
+ * For performance reasons, it is best to provide at least count
+ * pictures but it is not mandatory.
* You can return NULL when you cannot/do not want to allocate
- * more pictures.
- * If you want to create a pool of reusable pictures, you can
- * use a picture_pool_t.
+ * pictures.
+ * The vout display module keeps the ownership of the pool and can
+ * destroy it only when closing or on invalid pictures control.
*/
- picture_t *(*get)(vout_display_t *);
+ picture_pool_t *(*pool)(vout_display_t *, unsigned count);
/* Prepare a picture for display (optional).
*
/* Control on the module (mandatory) */
int (*control)(vout_display_t *, int, va_list);
- /* Manage pending event (mandatory for now) */
+ /* Manage pending event (optional) */
void (*manage)(vout_display_t *);
/* Private place holder for the vout_display_t module (optional)
*
- * A module is free to used it as it wishes.
+ * A module is free to use it as it wishes.
*/
vout_display_sys_t *sys;
va_end(args);
}
-static inline void vout_display_SendEventDisplaySize(vout_display_t *vd, int width, int height)
+static inline void vout_display_SendEventDisplaySize(vout_display_t *vd, int width, int height, bool is_fullscreen)
{
- vout_display_SendEvent(vd, VOUT_DISPLAY_EVENT_DISPLAY_SIZE, width, height);
+ vout_display_SendEvent(vd, VOUT_DISPLAY_EVENT_DISPLAY_SIZE, width, height, is_fullscreen);
}
static inline void vout_display_SendEventPicturesInvalid(vout_display_t *vd)
{
{
vout_display_SendEvent(vd, VOUT_DISPLAY_EVENT_FULLSCREEN, is_fullscreen);
}
+static inline void vout_display_SendWindowState(vout_display_t *vd, unsigned state)
+{
+ vout_display_SendEvent(vd, VOUT_DISPLAY_EVENT_WINDOW_STATE, state);
+}
/* The mouse position (State and Moved event) must be expressed against vout_display_t::source unit */
static inline void vout_display_SendEventMouseState(vout_display_t *vd, int x, int y, int button_mask)
{
}
/**
- * Ask for a new window with the given configuration as hint.
+ * Asks for a new window with the given configuration as hint.
*
* b_standalone/i_x/i_y may be overwritten by the core
*/
}
/**
- * It computes the default display size given the source and
+ * Computes the default display size given the source and
* the display configuration.
*
- * It supposes that the picture will already be cropped.
+ * This asssumes that the picture is already cropped.
*/
-VLC_EXPORT( void, vout_display_GetDefaultDisplaySize, (int *width, int *height, const video_format_t *source, const vout_display_cfg_t *) );
+VLC_EXPORT( void, vout_display_GetDefaultDisplaySize, (unsigned *width, unsigned *height, const video_format_t *source, const vout_display_cfg_t *) );
/**
typedef struct {
int x;
int y;
- int width;
- int height;
+ unsigned width;
+ unsigned height;
} vout_display_place_t;
/**
- * It computes how to place a picture inside the display to respect
+ * Computes how to place a picture inside the display to respect
* the given parameters.
- * It supposes that the cropping is done by an external mean.
+ * This assumes that cropping is done by an external mean.
*
* \param p_place Place inside the window (window pixel unit)
* \param p_source Video source format