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FS-7500: expand libpng detection to try to find a good png >= 1.6.16, fall back to older verison in weezy, and add support for building without libpng

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This commit is contained in:
Mike Jerris
2015-02-24 13:51:07 -06:00
committed by Michael Jerris
parent c02f694c37
commit 086cf1c279
3 changed files with 41 additions and 3 deletions
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src/switch_core_video.c
+23
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@@ -717,6 +717,7 @@ SWITCH_DECLARE(void) switch_img_patch_hole(switch_image_t *IMG, switch_image_t *
#define SWITCH_IMG_MAX_WIDTH 1920 * 2
#define SWITCH_IMG_MAX_HEIGHT 1080 * 2
#ifdef SWITCH_HAVE_PNG
// WIP png functions, need furthur tweak/check to make sure it works on all png files and errors are properly detected and reported
// #define PNG_DEBUG 3
#define PNG_SKIP_SETJMP_CHECK
@@ -1204,6 +1205,28 @@ end:
#endif
#else
SWITCH_DECLARE(switch_status_t) switch_img_patch_png(switch_image_t *img, int x, int y, const char *file_name)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This function is not available, libpng not installed\n");
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_image_t *) switch_img_read_png(const char* file_name)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This function is not available, libpng not installed\n");
return NULL;
}
SWITCH_DECLARE(switch_status_t) switch_img_write_png(switch_image_t *img, char* file_name)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This function is not available, libpng not installed\n");
return SWITCH_STATUS_FALSE;
}
#endif
SWITCH_DECLARE(switch_status_t) switch_img_fit(switch_image_t **srcP, int width, int height)
{
switch_image_t *src, *tmp = NULL;