bool AV::openVideo(AVContext& context) {
if(avcodec_open2(context.vs->codec, NULL, NULL) < 0) {
printf("Cannot open the encoder.\n");
return false;
}
context.vbuf = NULL;
context.vsize = 200000;
context.vbuf = (uint8_t*) av_malloc(context.vsize);
context.vframe = allocFrame(context.vs->codec->pix_fmt, context.vs->codec->width, context.vs->codec->height); // we could use "w" and "h", this seems more versatile
if(!context.vframe) {
printf("Cannot allocate memory for vframe.\n");
return false;
}
context.tmp_vframe = allocFrame(PIX_FMT_RGB24, src_w, src_h);
if(!context.tmp_vframe) {
printf("Cannot allocate memory for tmp_vframe we need for conversion.\n");
return false;
}
AVCodecContext* c = context.vs->codec;
printf("Video time_base.num = %d, time_base.den = %d\n", c->time_base.num, c->time_base.den);
return true;
}
void paging_init()
{
uint32_t memsize = getTotalMem();
nframes = memsize / FRAME_BLOCK_SIZE;
pFrames = (uint32_t)malloc(INDEX_BIT(nframes));
memset(pFrames,0,INDEX_BIT(nframes));
kerneldir = (page_dir_t*)malloc_a(sizeof(page_dir_t));
curdir = kerneldir;
//You may ask why I didnt use for loop
//Because kernel end will change.If I use for lopp dont take effect from kernel
//end change.Which can give us unexcepted results
int i = 0;
while(i < place_addr)
{
allocFrame(getFrame(i,TRUE,kerneldir),FALSE,FALSE);
i += FRAME_BLOCK_SIZE;
}
//isr_install_interrupt(16,page_handle);
paging_changedir(kerneldir);
}
