diff options
Diffstat (limited to 'rMD-exp/src/get_frame.c')
| -rw-r--r-- | rMD-exp/src/get_frame.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/rMD-exp/src/get_frame.c b/rMD-exp/src/get_frame.c new file mode 100644 index 0000000..b1da1fe --- /dev/null +++ b/rMD-exp/src/get_frame.c @@ -0,0 +1,209 @@ +/********************************************************************************* +* recordMyDesktop * +********************************************************************************** +* * +* Copyright (C) 2006 John Varouhakis * +* * +* * +* This program is free software; you can redistribute it and/or modify * +* it under the terms of the GNU General Public License as published by * +* the Free Software Foundation; either version 2 of the License, or * +* (at your option) any later version. * +* * +* This program is distributed in the hope that it will be useful, * +* but WITHOUT ANY WARRANTY; without even the implied warranty of * +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +* GNU General Public License for more details. * +* * +* You should have received a copy of the GNU General Public License * +* along with this program; if not, write to the Free Software * +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * +* * +* * +* * +* For further information contact me at johnvarouhakis@gmail.com * +**********************************************************************************/ + + +#include <recordmydesktop.h> + +void *GetFrame(void *pdata){ + int tlist_sel=0; + pthread_mutex_t pmut,tmut; + uint msk_ret; + WGeometry mouse_pos_abs,mouse_pos_rel,mouse_pos_temp; + Window root_ret,child_ret; + int pixel_total=((ProgData *)pdata)->brwin.rgeom.width*((ProgData *)pdata)->brwin.rgeom.height; + XFixesCursorImage *xcim=NULL; + + mouse_pos_abs.x=mouse_pos_temp.x=0; + mouse_pos_abs.y=mouse_pos_temp.y=0; + mouse_pos_abs.width=mouse_pos_temp.width=((ProgData *)pdata)->dummy_p_size; + mouse_pos_abs.height=mouse_pos_temp.height=((ProgData *)pdata)->dummy_p_size; + pthread_mutex_init(&pmut,NULL); + pthread_mutex_init(&tmut,NULL); + + while(((ProgData *)pdata)->running){ + + //if we are left behind we must not wait. + //also before actually pausing we must make sure the streams + //are synced. sound stops so this should only happen quickly. + if(((ProgData *)pdata)->avd>0){ + pthread_cond_wait(&((ProgData *)pdata)->time_cond,&tmut); + if(Paused){ + pthread_cond_wait(&((ProgData *)pdata)->pause_cond,&pmut); + } + } + capture_busy=1; + + /*pthread_cond_wait(&((ProgData *)pdata)->pause_cond,&((ProgData *)pdata)->pause_cond_mutex);*/ + //mutexes and lists with changes are useless when full_shots is enabled + if(!((ProgData *)pdata)->args.full_shots){ + tlist_sel=((ProgData *)pdata)->list_selector; + ((ProgData *)pdata)->list_selector=((((ProgData *)pdata)->list_selector+1)%2); + pthread_mutex_lock(&((ProgData *)pdata)->list_mutex[tlist_sel]); + } + //here we measure the list and decide which way we will go + if(!((ProgData *)pdata)->args.nocondshared){ + int level=0; + RectArea *temp=((ProgData *)pdata)->rect_root[tlist_sel]; + + if(temp!=NULL){ + do{ + level+=temp->geom.width*temp->geom.height; + temp=temp->next; + }while(temp!=NULL); + level*=100; + level/=pixel_total; + ((ProgData *)pdata)->args.noshared=(level<((ProgData *)pdata)->args.shared_thres); +// if(!((ProgData *)pdata)->args.noshared){ +// fprintf(stderr,"shared screenshot with %d\n",level); +// } + } + } + if(((ProgData *)pdata)->args.xfixes_cursor){ + //xfixes pointer sequence + //update previous_position + //(if full_shots is enabled this is skipped since it's pointless) + if(!((ProgData *)pdata)->args.full_shots){ + CLIP_DUMMY_POINTER_AREA(mouse_pos_abs,&((ProgData *)pdata)->brwin,&mouse_pos_temp); + if((mouse_pos_temp.x>=0)&&(mouse_pos_temp.y>=0)&&(mouse_pos_temp.width>0)&&(mouse_pos_temp.height>0)) + RectInsert(&((ProgData *)pdata)->rect_root[tlist_sel],&mouse_pos_temp); + } + xcim=XFixesGetCursorImage(((ProgData *)pdata)->dpy); + mouse_pos_abs.x=xcim->x; + mouse_pos_abs.y=xcim->y; + mouse_pos_abs.width=xcim->width; + mouse_pos_abs.height=xcim->height; + } + if(((ProgData *)pdata)->args.have_dummy_cursor){ + //dummy pointer sequence + //update previous_position + //(if full_shots is enabled this is skipped since it's pointless) + if(!((ProgData *)pdata)->args.full_shots){ + CLIP_DUMMY_POINTER_AREA(mouse_pos_abs,&((ProgData *)pdata)->brwin,&mouse_pos_temp); + if((mouse_pos_temp.x>=0)&&(mouse_pos_temp.y>=0)&&(mouse_pos_temp.width>0)&&(mouse_pos_temp.height>0)) + RectInsert(&((ProgData *)pdata)->rect_root[tlist_sel],&mouse_pos_temp); + } + //find new one + XQueryPointer(((ProgData *)pdata)->dpy, + ((ProgData *)pdata)->specs.root, + &root_ret,&child_ret, + &mouse_pos_abs.x,&mouse_pos_abs.y, + &mouse_pos_rel.x,&mouse_pos_rel.y,&msk_ret); + } + if(!((ProgData *)pdata)->args.noshared) + XShmGetImage(((ProgData *)pdata)->dpy,((ProgData *)pdata)->specs.root,((ProgData *)pdata)->shimage,(((ProgData *)pdata)->brwin.rgeom.x),(((ProgData *)pdata)->brwin.rgeom.y),AllPlanes); + if(!((ProgData *)pdata)->args.full_shots) + UpdateImage(((ProgData *)pdata)->dpy, + &((ProgData *)pdata)->enc_data->yuv, + &((ProgData *)pdata)->yuv_mutex, + &((ProgData *)pdata)->specs, + &((ProgData *)pdata)->rect_root[tlist_sel], + &((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.no_quick_subsample); + else{ + if(((ProgData *)pdata)->args.noshared){ + GetZPixmap( ((ProgData *)pdata)->dpy, + ((ProgData *)pdata)->specs.root, + ((ProgData *)pdata)->image->data, + ((ProgData *)pdata)->brwin.rgeom.x, + ((ProgData *)pdata)->brwin.rgeom.y, + ((ProgData *)pdata)->brwin.rgeom.width, + ((ProgData *)pdata)->brwin.rgeom.height); + pthread_mutex_lock(&((ProgData *)pdata)->yuv_mutex); + if(((ProgData *)pdata)->args.no_quick_subsample){ + UPDATE_YUV_BUFFER_IM_AVG((&((ProgData *)pdata)->enc_data->yuv),((unsigned char*)((ProgData *)pdata)->image->data), + (((ProgData *)pdata)->enc_data->x_offset),(((ProgData *)pdata)->enc_data->y_offset), + (((ProgData *)pdata)->brwin.rgeom.width),(((ProgData *)pdata)->brwin.rgeom.height)); + } + else{ + UPDATE_YUV_BUFFER_IM((&((ProgData *)pdata)->enc_data->yuv),((unsigned char*)((ProgData *)pdata)->image->data), + (((ProgData *)pdata)->enc_data->x_offset),(((ProgData *)pdata)->enc_data->y_offset), + (((ProgData *)pdata)->brwin.rgeom.width),(((ProgData *)pdata)->brwin.rgeom.height)); + } + pthread_mutex_unlock(&((ProgData *)pdata)->yuv_mutex); + } + else{ + pthread_mutex_lock(&((ProgData *)pdata)->yuv_mutex); + if(((ProgData *)pdata)->args.no_quick_subsample){ + UPDATE_YUV_BUFFER_IM_AVG((&((ProgData *)pdata)->enc_data->yuv),((unsigned char*)((ProgData *)pdata)->shimage->data), + (((ProgData *)pdata)->enc_data->x_offset),(((ProgData *)pdata)->enc_data->y_offset), + (((ProgData *)pdata)->brwin.rgeom.width),(((ProgData *)pdata)->brwin.rgeom.height)); + } + else{ + UPDATE_YUV_BUFFER_IM((&((ProgData *)pdata)->enc_data->yuv),((unsigned char*)((ProgData *)pdata)->shimage->data), + (((ProgData *)pdata)->enc_data->x_offset),(((ProgData *)pdata)->enc_data->y_offset), + (((ProgData *)pdata)->brwin.rgeom.width),(((ProgData *)pdata)->brwin.rgeom.height)); + } + + pthread_mutex_unlock(&((ProgData *)pdata)->yuv_mutex); + } + } + if(((ProgData *)pdata)->args.xfixes_cursor){ + //avoid segfaults + CLIP_DUMMY_POINTER_AREA(mouse_pos_abs,&((ProgData *)pdata)->brwin,&mouse_pos_temp); + //draw the cursor + if((mouse_pos_temp.x>=0)&&(mouse_pos_temp.y>=0)&&(mouse_pos_temp.width>0)&&(mouse_pos_temp.height>0)){ + XFIXES_POINTER_TO_YUV((&((ProgData *)pdata)->enc_data->yuv),((unsigned char*)xcim->pixels), + (mouse_pos_temp.x-((ProgData *)pdata)->brwin.rgeom.x+((ProgData *)pdata)->enc_data->x_offset), + (mouse_pos_temp.y-((ProgData *)pdata)->brwin.rgeom.y+((ProgData *)pdata)->enc_data->y_offset), + mouse_pos_temp.width, + mouse_pos_temp.height, + (xcim->width-mouse_pos_temp.width)); + } + XFree(xcim); + xcim=NULL; + } + + if(((ProgData *)pdata)->args.have_dummy_cursor){ + //avoid segfaults + CLIP_DUMMY_POINTER_AREA(mouse_pos_abs,&((ProgData *)pdata)->brwin,&mouse_pos_temp); + //draw the cursor + if((mouse_pos_temp.x>=0)&&(mouse_pos_temp.y>=0)&&(mouse_pos_temp.width>0)&&(mouse_pos_temp.height>0)){ + DUMMY_POINTER_TO_YUV((&((ProgData *)pdata)->enc_data->yuv), + ((ProgData *)pdata)->dummy_pointer, + (mouse_pos_temp.x-((ProgData *)pdata)->brwin.rgeom.x+((ProgData *)pdata)->enc_data->x_offset), + (mouse_pos_temp.y-((ProgData *)pdata)->brwin.rgeom.y+((ProgData *)pdata)->enc_data->y_offset), + mouse_pos_temp.width, + mouse_pos_temp.height, + ((ProgData *)pdata)->npxl); + } + } + if(!((ProgData *)pdata)->args.full_shots){ + ClearList(&((ProgData *)pdata)->rect_root[tlist_sel]); + pthread_mutex_unlock(&((ProgData *)pdata)->list_mutex[tlist_sel]); + } + if(encoder_busy){ + frames_lost++; + } + pthread_cond_broadcast(&((ProgData *)pdata)->image_buffer_ready); + capture_busy=0; + } + pthread_cond_broadcast(&((ProgData *)pdata)->image_buffer_ready); + pthread_exit(&errno); +} + |