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-rw-r--r--recordmydesktop/src/bgr_to_yuv.c29
-rw-r--r--recordmydesktop/src/get_frame.c9
-rw-r--r--recordmydesktop/src/parseargs.c6
-rw-r--r--recordmydesktop/src/recordmydesktop.c4
-rw-r--r--recordmydesktop/src/update_image.c25
5 files changed, 54 insertions, 19 deletions
diff --git a/recordmydesktop/src/bgr_to_yuv.c b/recordmydesktop/src/bgr_to_yuv.c
index 81c7fed..d2b14f4 100644
--- a/recordmydesktop/src/bgr_to_yuv.c
+++ b/recordmydesktop/src/bgr_to_yuv.c
@@ -27,19 +27,34 @@
#include <recordmydesktop.h>
-void XImageToYUV(XImage *imgz,yuv_buffer *yuv){
+void XImageToYUV(XImage *imgz,yuv_buffer *yuv,int no_quick_subsample){
unsigned char *dtap=(unsigned char *)imgz->data;
+ unsigned char avg2,avg1,avg0;
int i,k,j=0;
for(k=0;k<(imgz->width*imgz->height);k++){
yuv->y[k]=Yr[dtap[(k*4)+2]] + Yg[dtap[(k*4)+1]] + Yb[dtap[(k*4)]];
}
-
- for(i=0;i<(imgz->height);i+=2){
- for(k=0;k<(imgz->width);k+=2){
- yuv->u[j]=Ur[dtap[i*imgz->bytes_per_line+k*4+2]] + Ug[dtap[i*imgz->bytes_per_line+k*4+1]] + Ub[dtap[i*imgz->bytes_per_line+k*4]];
- yuv->v[j]=Vr[dtap[i*imgz->bytes_per_line+k*4+2]] + Vg[dtap[i*imgz->bytes_per_line+k*4+1]] + Vb[dtap[i*imgz->bytes_per_line+k*4]] ;
- j++;
+ if(!no_quick_subsample){
+ for(i=0;i<(imgz->height);i+=2){
+ for(k=0;k<(imgz->width);k+=2){
+ yuv->u[j]=Ur[dtap[i*imgz->bytes_per_line+k*4+2]] + Ug[dtap[i*imgz->bytes_per_line+k*4+1]] + Ub[dtap[i*imgz->bytes_per_line+k*4]];
+ yuv->v[j]=Vr[dtap[i*imgz->bytes_per_line+k*4+2]] + Vg[dtap[i*imgz->bytes_per_line+k*4+1]] + Vb[dtap[i*imgz->bytes_per_line+k*4]] ;
+ j++;
+ }
+ }
+ }
+ else{
+ for(i=0;i<(imgz->height);i+=2){
+ for(k=0;k<(imgz->width);k+=2){
+ avg2=AVG_4_PIXELS(dtap,(imgz->width),i,k,2);
+ avg1=AVG_4_PIXELS(dtap,(imgz->width),i,k,1);
+ avg0=AVG_4_PIXELS(dtap,(imgz->width),i,k,0);
+
+ yuv->u[j]=Ur[avg2] + Ug[avg1] + Ub[avg0];
+ yuv->v[j]=Vr[avg2] + Vg[avg1] + Vb[avg0] ;
+ j++;
+ }
}
}
}
diff --git a/recordmydesktop/src/get_frame.c b/recordmydesktop/src/get_frame.c
index 1d6a126..6a93ceb 100644
--- a/recordmydesktop/src/get_frame.c
+++ b/recordmydesktop/src/get_frame.c
@@ -99,7 +99,8 @@ void *GetFrame(void *pdata){
&((ProgData *)pdata)->brwin,
((ProgData *)pdata)->enc_data,
((((ProgData *)pdata)->args.noshared)?(((ProgData *)pdata)->datatemp):((ProgData *)pdata)->shimage->data),
- ((ProgData *)pdata)->args.noshared);
+ ((ProgData *)pdata)->args.noshared,
+ ((ProgData *)pdata)->args.no_quick_subsample);
else{
if(((ProgData *)pdata)->args.noshared){
GetZPixmap( ((ProgData *)pdata)->dpy,
@@ -110,12 +111,14 @@ void *GetFrame(void *pdata){
((ProgData *)pdata)->brwin.rgeom.width,
((ProgData *)pdata)->brwin.rgeom.height);
pthread_mutex_lock(&((ProgData *)pdata)->yuv_mutex);
- XImageToYUV(((ProgData *)pdata)->image,&((ProgData *)pdata)->enc_data->yuv);
+ XImageToYUV(((ProgData *)pdata)->image,&((ProgData *)pdata)->enc_data->yuv,
+ ((ProgData *)pdata)->args.no_quick_subsample);
pthread_mutex_unlock(&((ProgData *)pdata)->yuv_mutex);
}
else{
pthread_mutex_lock(&((ProgData *)pdata)->yuv_mutex);
- XImageToYUV(((ProgData *)pdata)->shimage,&((ProgData *)pdata)->enc_data->yuv);
+ XImageToYUV(((ProgData *)pdata)->shimage,&((ProgData *)pdata)->enc_data->yuv,
+ ((ProgData *)pdata)->args.no_quick_subsample);
pthread_mutex_unlock(&((ProgData *)pdata)->yuv_mutex);
}
}
diff --git a/recordmydesktop/src/parseargs.c b/recordmydesktop/src/parseargs.c
index 8125972..55dfbcd 100644
--- a/recordmydesktop/src/parseargs.c
+++ b/recordmydesktop/src/parseargs.c
@@ -36,7 +36,7 @@ int ParseArgs(int argc,char **argv,ProgArgs *arg_return){
"\t -v_quality n| -s_quality n| -v_bitrate n| --no-framedrop| -dummy-cursor color|\n"
"\t --no-dummy-cursor| -freq N(number>0)| -channels N(number>0)| -device SOUND_DEVICE|\n"
"\t --nosound| --with-shared| --no-cond-shared| -shared-threshold n| --full-shots|\n"
- "\t --scshot| -scale-shot N| -o filename]^filename\n\n\n"
+ "\t --no-quick-subsampling| --scshot| -scale-shot N| -o filename]^filename\n\n\n"
"General Options:\n"
"\t-h or --help\t\tPrint this help and exit.\n"
@@ -56,6 +56,7 @@ int ParseArgs(int argc,char **argv,ProgArgs *arg_return){
"\t--no-cond-shared\tDo not use the MIT-shared memory extension when aquiring large areas.\n"
"\t-shared-threshold n\tThreshold over which shared memory is used(default 75).\n"
"\t--full-shots\t\tTake full screenshot at every frame(Not recomended!).\n"
+ "\t--no-quick-subsampling\tDo subsampling of the chroma planes by averaging,not discarding.\n"
"\t-fps N(number>0.0)\tA positive number denoting desired framerate.\n\n"
"Sound Options:\n"
@@ -397,6 +398,9 @@ int ParseArgs(int argc,char **argv,ProgArgs *arg_return){
arg_return->scshot=1;
arg_return->nocondshared=1;
}
+ else if(!strcmp(argv[i],"--no-quick-subsampling")){
+ arg_return->no_quick_subsample=1;
+ }
else if(!strcmp(argv[i],"--help")||!strcmp(argv[i],"-h")){
fprintf(stderr,"%s",usage);
return 1;
diff --git a/recordmydesktop/src/recordmydesktop.c b/recordmydesktop/src/recordmydesktop.c
index 5588b52..9f6d596 100644
--- a/recordmydesktop/src/recordmydesktop.c
+++ b/recordmydesktop/src/recordmydesktop.c
@@ -140,9 +140,9 @@ int main(int argc,char **argv){
}
InitEncoder(&pdata,&enc_data);
if((pdata.args.nocondshared)&&(!pdata.args.noshared))
- XImageToYUV(pdata.shimage,&pdata.enc_data->yuv);
+ XImageToYUV(pdata.shimage,&pdata.enc_data->yuv,pdata.args.no_quick_subsample);
else
- XImageToYUV(pdata.shimage,&pdata.enc_data->yuv);
+ XImageToYUV(pdata.shimage,&pdata.enc_data->yuv,pdata.args.no_quick_subsample);
pdata.frametime=(1000000)/pdata.args.fps;
diff --git a/recordmydesktop/src/update_image.c b/recordmydesktop/src/update_image.c
index bf319e2..0de3f0a 100644
--- a/recordmydesktop/src/update_image.c
+++ b/recordmydesktop/src/update_image.c
@@ -35,7 +35,8 @@ void UpdateImage(Display * dpy,
BRWindow *brwin,
EncData *enc,
char *datatemp,
- int noshmem){
+ int noshmem,
+ int no_quick_subsample){
RectArea *temp;
unsigned char *dtap=(unsigned char*)datatemp;
temp=*root;
@@ -52,18 +53,30 @@ void UpdateImage(Display * dpy,
temp->geom.height);
pthread_mutex_lock(yuv_mutex);
-
- UPDATE_YUV_BUFFER_IM(yuv,dtap,
- (temp->geom.x-brwin->rgeom.x+enc->x_offset),(temp->geom.y-brwin->rgeom.y+enc->y_offset),
- (temp->geom.width),(temp->geom.height));
+ if(no_quick_subsample){
+ UPDATE_YUV_BUFFER_IM_AVG(yuv,dtap,
+ (temp->geom.x-brwin->rgeom.x+enc->x_offset),(temp->geom.y-brwin->rgeom.y+enc->y_offset),
+ (temp->geom.width),(temp->geom.height));
+ }
+ else{
+ UPDATE_YUV_BUFFER_IM(yuv,dtap,
+ (temp->geom.x-brwin->rgeom.x+enc->x_offset),(temp->geom.y-brwin->rgeom.y+enc->y_offset),
+ (temp->geom.width),(temp->geom.height));
+ }
pthread_mutex_unlock(yuv_mutex);
}
else{
+ if(no_quick_subsample){
+ UPDATE_YUV_BUFFER_SH_AVG(yuv,dtap,
+ (temp->geom.x-brwin->rgeom.x+enc->x_offset),(temp->geom.y-brwin->rgeom.y+enc->y_offset),
+ (temp->geom.width),(temp->geom.height));
+ }
+ else{
UPDATE_YUV_BUFFER_SH(yuv,dtap,
(temp->geom.x-brwin->rgeom.x+enc->x_offset),(temp->geom.y-brwin->rgeom.y+enc->y_offset),
(temp->geom.width),(temp->geom.height));
-
+ }
}
temp=temp->next;
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