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authorenselic <enselic@f606c939-3180-4ac9-a4b8-4b8779d57d0a>2008-09-14 13:06:20 +0000
committerenselic <enselic@f606c939-3180-4ac9-a4b8-4b8779d57d0a>2008-09-14 13:06:20 +0000
commite5cdc6d4fbec00a52d06414ca243664bb8b40942 (patch)
tree60f4145527722c135e72cbe451b63f7499dd32a5 /recordmydesktop/src/load_cache.c
parent187945d42050c99c614ccf76099944b338461a19 (diff)
src/*.[ch]: Rename files so that the name becomes
rmd_some_file.[ch]. The exceptions are recordmydesktop.c which is the main file and skeleton.[ch] which are external files. src/Makefile.am: Adapt. git-svn-id: https://recordmydesktop.svn.sourceforge.net/svnroot/recordmydesktop/trunk@546 f606c939-3180-4ac9-a4b8-4b8779d57d0a
Diffstat (limited to 'recordmydesktop/src/load_cache.c')
-rw-r--r--recordmydesktop/src/load_cache.c336
1 files changed, 0 insertions, 336 deletions
diff --git a/recordmydesktop/src/load_cache.c b/recordmydesktop/src/load_cache.c
deleted file mode 100644
index 4a86ada..0000000
--- a/recordmydesktop/src/load_cache.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/******************************************************************************
-* recordMyDesktop *
-*******************************************************************************
-* *
-* Copyright (C) 2006,2007,2008 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 "config.h"
-
-#include <pthread.h>
-#include <signal.h>
-
-#include "rmdtypes.h"
-
-#include "encode_image_buffer.h"
-#include "encode_sound_buffer.h"
-#include "load_cache.h"
-#include "rmd_cache.h"
-#include "rmdmacro.h"
-
-
-//The number of bytes for every
-//sub-block of the y,u and v planes.
-//Since the blocks are square
-//these are obviously the squares
-//of the widths(specified above),
-//but the definitions bellow are only
-//for convenience anyway.
-#define Y_UNIT_BYTES 0x0100
-#define UV_UNIT_BYTES 0x0040
-
-
-//The frame after retrieval.
-//Based on the Header information
-//we can read the correct amount of bytes.
-typedef struct _CachedFrame{
- FrameHeader *header;
- u_int32_t *YBlocks, //identifying number on the grid,
- *UBlocks, //starting at top left
- *VBlocks; // >> >>
- unsigned char *YData, //pointer to data for the blocks that have changed,
- *UData, //which have to be remapped
- *VData; //on the buffer when reading
-}CachedFrame;
-
-
-static void LoadBlock(unsigned char *dest,
- unsigned char *source,
- int blockno,
- int width,
- int height,
- int blockwidth) {
- int j,
- block_i=blockno/(width/blockwidth),//place on the grid
- block_k=blockno%(width/blockwidth);
- for(j=0;j<blockwidth;j++)//we copy rows
- memcpy( &dest[(block_i*width+block_k)*blockwidth+j*width],
- &source[j*blockwidth],
- blockwidth);
-}
-
-//returns number of bytes
-static int ReadZF(void * buffer, size_t size, size_t nmemb, FILE *ucfp, gzFile *ifp) {
- if((ifp!=NULL && ucfp!=NULL)||
- (ifp==NULL && ucfp==NULL))
- return -1;
- else if(ucfp!=NULL){
- return (size*fread(buffer,size,nmemb,ucfp));
- }
- else
- return gzread(ifp,buffer,size*nmemb);
-}
-
-static int ReadFrame(CachedFrame *frame, FILE *ucfp, gzFile *ifp) {
- int index_entry_size=sizeof(u_int32_t);
- if(frame->header->Ynum>0){
- if(ReadZF(frame->YBlocks,
- index_entry_size,
- frame->header->Ynum,
- ucfp,
- ifp)!=index_entry_size*frame->header->Ynum){
- return -1;
- }
- }
- if(frame->header->Unum>0){
- if(ReadZF(frame->UBlocks,
- index_entry_size,
- frame->header->Unum,
- ucfp,
- ifp)!=index_entry_size*frame->header->Unum){
- return -1;
- }
- }
- if(frame->header->Vnum>0){
- if(ReadZF(frame->VBlocks,
- index_entry_size,
- frame->header->Vnum,
- ucfp,
- ifp)!=index_entry_size*frame->header->Vnum){
- return -1;
- }
- }
- if(frame->header->Ynum>0){
- if(ReadZF(frame->YData,
- Y_UNIT_BYTES,
- frame->header->Ynum,
- ucfp,
- ifp)!=Y_UNIT_BYTES*frame->header->Ynum){
- return -2;
- }
- }
- if(frame->header->Unum>0){
- if(ReadZF(frame->UData,
- UV_UNIT_BYTES,
- frame->header->Unum,
- ucfp,
- ifp)!=UV_UNIT_BYTES*frame->header->Unum){
- return -2;
- }
- }
- if(frame->header->Vnum>0){
- if(ReadZF(frame->VData,
- UV_UNIT_BYTES,
- frame->header->Vnum,
- ucfp,
- ifp)!=UV_UNIT_BYTES*frame->header->Vnum){
- return -2;
- }
- }
- return 0;
-}
-
-void *LoadCache(ProgData *pdata){
-
- yuv_buffer *yuv=&pdata->enc_data->yuv;
- gzFile *ifp=NULL;
- FILE *ucfp=NULL;
- FILE *afp=pdata->cache_data->afp;
- FrameHeader fheader;
- CachedFrame frame;
- int j=0,
- nth_cache=1,
- audio_end=0,
- extra_frames=0,//total number of duplicated frames
- missing_frames=0,//if this is found >0 current run will not load
- //a frame but it will proccess the previous
- thread_exit=0,//0 success, -1 couldn't find files,1 couldn't remove
- blocknum_x=pdata->enc_data->yuv.y_width/Y_UNIT_WIDTH,
- blocknum_y=pdata->enc_data->yuv.y_height/Y_UNIT_WIDTH,
- blockszy=Y_UNIT_BYTES,//size of y plane block in bytes
- blockszuv=UV_UNIT_BYTES;//size of u,v plane blocks in bytes
- signed char *sound_data=(signed char *)malloc(pdata->periodsize*
- pdata->sound_framesize);
-
- u_int32_t YBlocks[(yuv->y_width*yuv->y_height)/Y_UNIT_BYTES],
- UBlocks[(yuv->uv_width*yuv->uv_height)/UV_UNIT_BYTES],
- VBlocks[(yuv->uv_width*yuv->uv_height)/UV_UNIT_BYTES];
-
- // We allocate the frame that we will use
- frame.header = &fheader;
- frame.YBlocks = YBlocks;
- frame.UBlocks = UBlocks;
- frame.VBlocks = VBlocks;
- frame.YData = malloc(yuv->y_width * yuv->y_height);
- frame.UData = malloc(yuv->uv_width * yuv->uv_height);
- frame.VData = malloc(yuv->uv_width * yuv->uv_height);
-
- //and the we open our files
- if(!pdata->args.zerocompression){
- ifp=gzopen(pdata->cache_data->imgdata,"rb");
- if(ifp==NULL){
- thread_exit=-1;
- pthread_exit(&thread_exit);
- }
- }
- else{
- ucfp=fopen(pdata->cache_data->imgdata,"rb");
- if(ucfp==NULL){
- thread_exit=-1;
- pthread_exit(&thread_exit);
- }
- }
-
-
- if(!pdata->args.nosound){
- afp=fopen(pdata->cache_data->audiodata,"rb");
- if(afp==NULL){
- thread_exit=-1;
- pthread_exit(&thread_exit);
- }
- }
-
- //this will be used now to define if we proccess audio or video
- //on any given loop.
- pdata->avd=0;
- //If sound finishes first,we go on with the video.
- //If video ends we will do one more run to flush audio in the ogg file
- while(pdata->running){
- //video load and encoding
- if(pdata->avd<=0 || pdata->args.nosound || audio_end){
- if(missing_frames>0){
- extra_frames++;
- missing_frames--;
- SyncEncodeImageBuffer(pdata);
- }
- else if(((!pdata->args.zerocompression)&&
- (gzread(ifp,frame.header,sizeof(FrameHeader))==
- sizeof(FrameHeader) ))||
- ((pdata->args.zerocompression)&&
- (fread(frame.header,sizeof(FrameHeader),1,ucfp)==1))){
- //sync
- missing_frames+=frame.header->current_total-
- (extra_frames+frame.header->frameno);
- if (pdata->frames_total) {
- fprintf(stdout,
- "\r[%d%%] ",
- ((frame.header->frameno + extra_frames) * 100) / pdata->frames_total);
- }
- else
- fprintf(stdout,"\r[%d frames rendered] ",
- (frame.header->frameno+extra_frames));
- fflush(stdout);
- if( (frame.header->Ynum<=blocknum_x*blocknum_y) &&
- (frame.header->Unum<=blocknum_x*blocknum_y) &&
- (frame.header->Vnum<=blocknum_x*blocknum_y) &&
- (!ReadFrame(&frame,
- ((pdata->args.zerocompression)?ucfp:NULL),
- ((pdata->args.zerocompression)?NULL:ifp)))
- ){
- //load the blocks for each buffer
- if(frame.header->Ynum)
- for(j=0;j<frame.header->Ynum;j++)
- LoadBlock( yuv->y,
- &frame.YData[j*blockszy],
- frame.YBlocks[j],
- yuv->y_width,
- yuv->y_height,
- Y_UNIT_WIDTH);
- if(frame.header->Unum)
- for(j=0;j<frame.header->Unum;j++)
- LoadBlock( yuv->u,
- &frame.UData[j*blockszuv],
- frame.UBlocks[j],
- yuv->uv_width,
- yuv->uv_height,
- UV_UNIT_WIDTH);
- if(frame.header->Vnum)
- for(j=0;j<frame.header->Vnum;j++)
- LoadBlock( yuv->v,
- &frame.VData[j*blockszuv],
- frame.VBlocks[j],
- yuv->uv_width,
- yuv->uv_height,
- UV_UNIT_WIDTH);
- //encode. This is not made in a thread since
- //now blocking is not a problem
- //and this way sync problems
- //can be avoided more easily.
- SyncEncodeImageBuffer(pdata);
- }
- else{
- raise(SIGINT);
- continue;
- }
- }
- else{
- if(SwapCacheFilesRead(pdata->cache_data->imgdata,
- nth_cache,
- &ifp,
- &ucfp)){
- raise(SIGINT);
- }
- else{
- fprintf(stderr,"\t[Cache File %d]",nth_cache);
- nth_cache++;
- }
- continue;
- }
- }
- //audio load and encoding
- else{
- if(!audio_end){
- int nbytes=fread(sound_data,1,pdata->periodsize*
- pdata->sound_framesize,afp);
- if(nbytes<=0)
- audio_end=1;
- else
- SyncEncodeSoundBuffer(pdata,sound_data);
- }
- }
- }
-
- pdata->v_encoding_clean=pdata->th_encoding_clean=1;
- pthread_mutex_lock(&pdata->theora_lib_mutex);
- pthread_cond_signal(&pdata->theora_lib_clean);
- pthread_mutex_unlock(&pdata->theora_lib_mutex);
- pthread_mutex_lock(&pdata->vorbis_lib_mutex);
- pthread_cond_signal(&pdata->vorbis_lib_clean);
- pthread_mutex_unlock(&pdata->vorbis_lib_mutex);
- fprintf(stdout,"\n");
-
- // Clear frame
- free(frame.YData);
- free(frame.UData);
- free(frame.VData);
-
- free(sound_data);
-
- if(!pdata->args.nosound){
- fclose(afp);
- }
-
- pthread_exit(&thread_exit);
-
-
-}
-
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