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GUAC-240: Update function documentation. Remove unused macros.

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This commit is contained in:
Michael Jumper 2015-08-17 01:51:03 -07:00
parent dd2e020351
commit f7cb3d56e9
1 changed files with 17 additions and 35 deletions
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52
src/common/guac_surface.c
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@ -102,20 +102,9 @@
#define GUAC_SURFACE_JPEG_IMAGE_QUALITY 90
/**
* Time (msec) between each time the surface's heat map is recalculated.
* The framerate which, if exceeded, indicates that JPEG is preferred.
*/
#define GUAC_COMMON_SURFACE_HEAT_MAP_UPDATE_FREQ 2000
/**
* Refresh frequency threshold for when an area should be refreshed lossy.
*/
#define GUAC_COMMON_SURFACE_LOSSY_REFRESH_FREQUENCY 3
/**
* Time delay threshold between two updates where a lossy area will be moved
* to the non-lossy refresh pipe.
*/
#define GUAC_COMMON_SURFACE_NON_LOSSY_REFRESH_THRESHOLD 3000
#define GUAC_COMMON_SURFACE_JPEG_FRAMERATE 3
/**
* Updates the coordinates of the given rectangle to be within the bounds of
@ -262,26 +251,17 @@ static void __guac_common_mark_dirty(guac_common_surface* surface, const guac_co
}
/**
* Calculate the current average refresh frequency for a given area on the
* surface.
* Calculate the current average framerate for a given area on the surface.
*
* @param surface
* The surface on which the refresh frequency will be calculated.
* The surface on which the framerate will be calculated.
*
* @param x
* The x coordinate for the area.
*
* @param y
* The y coordinate for the area.
*
* @param w
* The area width.
*
* @param h
* The area height.
* @param rect
* The rect containing the area for which the average framerate will be
* calculated.
*
* @return
* The average refresh frequency.
* The average framerate of the given area, in frames per second.
*/
static unsigned int __guac_common_surface_calculate_framerate(
guac_common_surface* surface, const guac_common_rect* rect) {
@ -355,23 +335,25 @@ static int __guac_common_surface_should_use_jpeg(guac_common_surface* surface,
/* Calculate the average framerate for the given rect */
int framerate = __guac_common_surface_calculate_framerate(surface, rect);
/* JPEG is preferred if rect is hot and smooth */
return framerate >= GUAC_COMMON_SURFACE_LOSSY_REFRESH_FREQUENCY;
/* JPEG is preferred if framerate is high enough */
return framerate >= GUAC_COMMON_SURFACE_JPEG_FRAMERATE;
}
/**
* Touch the heat map with this update rectangle, so that the update
* frequency can be calculated later.
* Updates the heat map cells which intersect the given rectangle using the
* given timestamp. This timestamp, along with timestamps from past updates,
* is used to calculate the framerate of each heat cell.
*
* @param surface
* The surface containing the rectangle to be updated.
* The surface containing the heat map cells to be updated.
*
* @param rect
* The rectangle updated.
* The rectangle containing the heat map cells to be updated.
*
* @param time
* The time stamp of this update.
* The timestamp to use when updating the heat map cells which intersect
* the given rectangle.
*/
static void __guac_common_surface_touch_rect(guac_common_surface* surface,
guac_common_rect* rect, guac_timestamp time) {