#include "miniwebcam.h"
#include "video.h"
#include <stdio.h>
#include <stdlib.h>

VideoFrame::VideoFrame() {
    mem = NULL;
    width = 0;
    height = 0;
    mem_allocated = 0;
};

VideoFrame::~VideoFrame() {
    FreeFrame();
};


void VideoFrame::FreeFrame() {
    if (mem != NULL) {
        free (mem);
        mem = NULL;
        width = 0;
        height = 0;
        mem_allocated = 0;
    }
};


void VideoFrame::AllocateFrame() {
    printf ("VideoFrame::AllocateFrame()\n");
    int memnewsize = width * height * 3;
    if (memnewsize >= mem_allocated) return;
    else if (memnewsize == 0) FreeFrame();

    mem = (unsigned char *) realloc (mem, memnewsize);
    mem_allocated = memnewsize;

    if (mem == NULL) {
        debug ("Error on allocation new frame\n");
        exit (1);
    }
};


int VideoFrame::SetSize(int w, int h) {
    if (w < 0 && h < 0) return 0;

    width = w;
    height = h;

    AllocateFrame();

    return 1;
};


/*********************************************************************/



void VideoFrameFloat::AllocateFrame() {
    printf ("VideoFrameFloat::AllocateFrame()\n");
    int memnewsize = width * height * 3 * sizeof(float);
    if (memnewsize >= mem_allocated) return;
    else if (memnewsize == 0) FreeFrame();

    mem = (unsigned char *) realloc (mem, memnewsize);
    mem_allocated = memnewsize;

    if (mem == NULL) {
        debug ("Error on allocation new frame\n");
        exit (1);
    }
};


/*********************************************************************/

VideoDevice::VideoDevice() {
    videofd = 0;
};


VideoDevice::~VideoDevice() {

};


int VideoDevice::SetDevice() {
    return 0;
};


int VideoDevice::Start(int w, int h) {
    return 0;
};


int VideoDevice::Stop() {
    return 0;
};


int VideoDevice::GetFrame(VideoFrame *destframe) {
    return 0;
};