diff options
Diffstat (limited to 'stream/cache2.c')
| -rw-r--r-- | stream/cache2.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/stream/cache2.c b/stream/cache2.c index d1f047b034..aeefa73b05 100644 --- a/stream/cache2.c +++ b/stream/cache2.c @@ -83,7 +83,7 @@ static int cache_read(cache_vars_t* s,unsigned char* buf,int size){ int pos,newb,len; //printf("CACHE2_READ: 0x%X <= 0x%X <= 0x%X \n",s->min_filepos,s->read_filepos,s->max_filepos); - + if(s->read_filepos>=s->max_filepos || s->read_filepos<s->min_filepos){ // eof? if(s->eof) break; @@ -103,21 +103,21 @@ static int cache_read(cache_vars_t* s,unsigned char* buf,int size){ if(newb>s->buffer_size-pos) newb=s->buffer_size-pos; // handle wrap... if(newb>size) newb=size; - + // check: if(s->read_filepos<s->min_filepos) mp_msg(MSGT_CACHE,MSGL_ERR,"Ehh. s->read_filepos<s->min_filepos !!! Report bug...\n"); - + // len=write(mem,newb) //printf("Buffer read: %d bytes\n",newb); memcpy(buf,&s->buffer[pos],newb); buf+=newb; len=newb; // ... - + s->read_filepos+=len; size-=len; total+=len; - + } cache_fill_status=(s->max_filepos-s->read_filepos)/(s->buffer_size / 100); return total; @@ -126,7 +126,7 @@ static int cache_read(cache_vars_t* s,unsigned char* buf,int size){ static int cache_fill(cache_vars_t* s){ int back,back2,newb,space,len,pos; off_t read=s->read_filepos; - + if(read<s->min_filepos || read>s->max_filepos){ // seek... mp_msg(MSGT_CACHE,MSGL_DBG2,"Out of boundaries... seeking to 0x%"PRIX64" \n",(int64_t)read); @@ -141,36 +141,36 @@ static int cache_fill(cache_vars_t* s){ mp_msg(MSGT_CACHE,MSGL_DBG2,"Seek done. new pos: 0x%"PRIX64" \n",(int64_t)stream_tell(s->stream)); } } - + // calc number of back-bytes: back=read - s->min_filepos; if(back<0) back=0; // strange... if(back>s->back_size) back=s->back_size; - + // calc number of new bytes: newb=s->max_filepos - read; if(newb<0) newb=0; // strange... // calc free buffer space: space=s->buffer_size - (newb+back); - + // calc bufferpos: pos=s->max_filepos - s->offset; if(pos>=s->buffer_size) pos-=s->buffer_size; // wrap-around - + if(space<s->fill_limit){ // printf("Buffer is full (%d bytes free, limit: %d)\n",space,s->fill_limit); return 0; // no fill... } // printf("### read=0x%X back=%d newb=%d space=%d pos=%d\n",read,back,newb,space,pos); - + // reduce space if needed: if(space>s->buffer_size-pos) space=s->buffer_size-pos; - + // if(space>32768) space=32768; // limit one-time block size if(space>4*s->sector_size) space=4*s->sector_size; - + // if(s->seek_lock) return 0; // FIXME #if 1 @@ -180,7 +180,7 @@ static int cache_fill(cache_vars_t* s){ #else s->min_filepos=read-back; // avoid seeking-back to temp area... #endif - + // .... //printf("Buffer fill: %d bytes of %d\n",space,s->buffer_size); //len=stream_fill_buffer(s->stream); @@ -188,15 +188,15 @@ static int cache_fill(cache_vars_t* s){ // .... len=stream_read(s->stream,&s->buffer[pos],space); if(!len) s->eof=1; - + s->max_filepos+=len; if(pos+len>=s->buffer_size){ // wrap... s->offset+=s->buffer_size; } - + return len; - + } static int cache_execute_control(cache_vars_t *s) { @@ -251,7 +251,7 @@ static cache_vars_t* cache_init(int size,int sector){ cache_vars_t* s=malloc(sizeof(cache_vars_t)); #endif if(s==NULL) return NULL; - + memset(s,0,sizeof(cache_vars_t)); num=size/sector; if(num < 16){ @@ -329,7 +329,7 @@ int stream_enable_cache(stream_t *stream,int size,int min,int seek_limit){ if (min > s->buffer_size - s->fill_limit) { min = s->buffer_size - s->fill_limit; } - + #if !defined(__MINGW32__) && !defined(PTHREAD_CACHE) && !defined(__OS2__) if((stream->cache_pid=fork())){ #else @@ -364,7 +364,7 @@ int stream_enable_cache(stream_t *stream,int size,int min,int seek_limit){ mp_msg(MSGT_CACHE,MSGL_STATUS,"\n"); return 1; // parent exits } - + #if defined(__MINGW32__) || defined(PTHREAD_CACHE) || defined(__OS2__) } #ifdef PTHREAD_CACHE @@ -373,7 +373,7 @@ static void *ThreadProc( void *s ){ static void ThreadProc( void *s ){ #endif #endif - + #ifdef CONFIG_GUI use_gui = 0; // mp_msg may not use gui stuff in forked code #endif @@ -418,10 +418,10 @@ int cache_stream_seek_long(stream_t *stream,off_t pos){ cache_vars_t* s; off_t newpos; if(!stream->cache_pid) return stream_seek_long(stream,pos); - + s=stream->cache_data; // s->seek_lock=1; - + mp_msg(MSGT_CACHE,MSGL_DBG2,"CACHE2_SEEK: 0x%"PRIX64" <= 0x%"PRIX64" (0x%"PRIX64") <= 0x%"PRIX64" \n",s->min_filepos,pos,s->read_filepos,s->max_filepos); newpos=pos/s->sector_size; newpos*=s->sector_size; // align |