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-rw-r--r--recordmydesktop/src/get_frame.c6
-rw-r--r--recordmydesktop/src/load_cache.c7
-rw-r--r--recordmydesktop/src/yuv_utils.h37
3 files changed, 49 insertions, 1 deletions
diff --git a/recordmydesktop/src/get_frame.c b/recordmydesktop/src/get_frame.c
index 39bbb36..c732002 100644
--- a/recordmydesktop/src/get_frame.c
+++ b/recordmydesktop/src/get_frame.c
@@ -30,6 +30,12 @@
#include "yuv_utils.h"
+#define AVG_4_PIXELS(data_array,width_img,k_tm,i_tm,offset)\
+ ((data_array[(k_tm*width_img+i_tm)*RMD_ULONG_SIZE_T+offset]+\
+ data_array[((k_tm-1)*width_img+i_tm)*RMD_ULONG_SIZE_T+offset]+\
+ data_array[(k_tm*width_img+i_tm-1)*RMD_ULONG_SIZE_T+offset]+\
+ data_array[((k_tm-1)*width_img+i_tm-1)*RMD_ULONG_SIZE_T+offset])/4)
+
#define CLIP_DUMMY_POINTER_AREA(dummy_p_area,brwin,wgeom){\
(wgeom)->x=((((dummy_p_area).x+\
(dummy_p_area).width>=(brwin)->rgeom.x)&&\
diff --git a/recordmydesktop/src/load_cache.c b/recordmydesktop/src/load_cache.c
index d25077e..afd1570 100644
--- a/recordmydesktop/src/load_cache.c
+++ b/recordmydesktop/src/load_cache.c
@@ -306,7 +306,12 @@ void *LoadCache(ProgData *pdata){
pthread_cond_signal(&pdata->vorbis_lib_clean);
pthread_mutex_unlock(&pdata->vorbis_lib_mutex);
fprintf(stdout,"\n");
- CLEAR_FRAME(&frame)
+
+ // Clear frame
+ free(frame.YData);
+ free(frame.UData);
+ free(frame.VData);
+
free(sound_data);
if(!pdata->args.nosound){
diff --git a/recordmydesktop/src/yuv_utils.h b/recordmydesktop/src/yuv_utils.h
index 14809ff..6890a23 100644
--- a/recordmydesktop/src/yuv_utils.h
+++ b/recordmydesktop/src/yuv_utils.h
@@ -35,6 +35,43 @@ extern unsigned char Yr[256], Yg[256], Yb[256],
Vg[256], Vb[256];
+//when adding the r values, we go beyond
+//the (16 bit)range of the t_val variable, but we are performing
+//32 bit arithmetics, so there's no problem.
+//(This note is useless, I'm just adding because
+//the addition of the A components in CALC_TVAL_AVG_32,
+//now removed as uneeded, produced an overflow which would have caused
+//color distrtion, where it one of the R,G or B components)
+#define CALC_TVAL_AVG_16(t_val,datapi,datapi_next){\
+ register u_int16_t t1,t2,t3,t4;\
+ t1=*datapi;\
+ t2=*(datapi+1);\
+ t3=*datapi_next;\
+ t4=*(datapi_next+1);\
+ t_val=((((t1&__R16_MASK) +(t2&__R16_MASK)+\
+ (t3&__R16_MASK)+(t4&__R16_MASK))/4)&__R16_MASK)+\
+ ((((t1&__G16_MASK) +(t2&__G16_MASK)+\
+ (t3&__G16_MASK)+(t4&__G16_MASK))/4)&__G16_MASK)+\
+ ((((t1&__B16_MASK) +(t2&__B16_MASK)+\
+ (t3&__B16_MASK)+(t4&__B16_MASK))/4)&__B16_MASK);\
+}
+
+//the 4 most significant bytes represent the A component which
+//does not need to be added on t_val, as it is always unused
+#define CALC_TVAL_AVG_32(t_val,datapi,datapi_next){\
+ register unsigned int t1,t2,t3,t4;\
+ t1=*datapi;\
+ t2=*(datapi+1);\
+ t3=*datapi_next;\
+ t4=*(datapi_next+1);\
+ t_val=((((t1&0x00ff0000) +(t2&0x00ff0000)+\
+ (t3&0x00ff0000)+(t4&0x00ff0000))/4)&0x00ff0000)+\
+ ((((t1&0x0000ff00) +(t2&0x0000ff00)+\
+ (t3&0x0000ff00)+(t4&0x0000ff00))/4)&0x0000ff00)+\
+ ((((t1&0x000000ff) +(t2&0x000000ff)+\
+ (t3&0x000000ff)+(t4&0x000000ff))/4)&0x000000ff);\
+}
+
#define POINT_IN_BLOCK(xv,yv,widthv,blocksize) ((yv/blocksize)*\
(widthv/blocksize)+\
(xv/blocksize))
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