xref: /hardware/qcom/media/msm8998/mm-video-v4l2/vidc/common/src/vidc_color_converter.cpp

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    * Redistributions of source code must retain the above copyright
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#define LOG_TAG "OMX_C2D"

#include <utils/Log.h>
#include <gralloc_priv.h>
#include "vidc_color_converter.h"
#include "vidc_debug.h"

omx_c2d_conv::omx_c2d_conv()
{
    c2dcc = NULL;
    mLibHandle = NULL;
    mConvertOpen = NULL;
    mConvertClose = NULL;
    src_format = NV12_2K;
}

bool omx_c2d_conv::init()
{
    bool status = true;

    if (mLibHandle || mConvertOpen || mConvertClose) {
        DEBUG_PRINT_ERROR("omx_c2d_conv::init called twice");
        status = false;
    }

    if (status) {
        mLibHandle = dlopen("libc2dcolorconvert.so", RTLD_LAZY);

        if (mLibHandle) {
            mConvertOpen = (createC2DColorConverter_t *)
                dlsym(mLibHandle,"createC2DColorConverter");
            mConvertClose = (destroyC2DColorConverter_t *)
                dlsym(mLibHandle,"destroyC2DColorConverter");

            if (!mConvertOpen || !mConvertClose)
                status = false;
        } else
            status = false;
    }

    if (!status && mLibHandle) {
        dlclose(mLibHandle);
        mLibHandle = NULL;
        mConvertOpen = NULL;
        mConvertClose = NULL;
    }

    return status;
}

bool omx_c2d_conv::convert(int src_fd, void *src_base, void *src_viraddr,
        int dest_fd, void *dest_base, void *dest_viraddr)
{
    int result;

    if (!src_viraddr || !dest_viraddr || !c2dcc || !dest_base || !src_base) {
        DEBUG_PRINT_ERROR("Invalid arguments omx_c2d_conv::convert");
        return false;
    }

    result =  c2dcc->convertC2D(src_fd, src_base, src_viraddr,
            dest_fd, dest_base, dest_viraddr);
    DEBUG_PRINT_LOW("Color convert status %d",result);
    return ((result < 0)?false:true);
}

bool omx_c2d_conv::open(unsigned int height,unsigned int width,
        ColorConvertFormat src, ColorConvertFormat dest)
{
    bool status = false;

    if (!c2dcc) {
        c2dcc = mConvertOpen(width, height, width, height,
                src,dest,0,0);

        if (c2dcc) {
            src_format = src;
            status = true;
        } else
            DEBUG_PRINT_ERROR("mConvertOpen failed");
    }

    return status;
}
void omx_c2d_conv::close()
{
    if (mLibHandle) {
        if (mConvertClose && c2dcc)
            mConvertClose(c2dcc);

        c2dcc = NULL;
    }
}

void omx_c2d_conv::destroy()
{
    DEBUG_PRINT_HIGH("Destroy C2D instance");

    if (mLibHandle) {
        if (mConvertClose && c2dcc)
            mConvertClose(c2dcc);

        dlclose(mLibHandle);
    }

    c2dcc = NULL;
    mLibHandle = NULL;
    mConvertOpen = NULL;
    mConvertClose = NULL;
}
omx_c2d_conv::~omx_c2d_conv()
{
    destroy();
}
int omx_c2d_conv::get_src_format()
{
    int format = -1;

    if (src_format == NV12_2K) {
        format = HAL_PIXEL_FORMAT_NV12_ENCODEABLE;
    } else if (src_format == RGBA8888) {
        format = HAL_PIXEL_FORMAT_RGBA_8888;
    }

    return format;
}
bool omx_c2d_conv::get_buffer_size(int port,unsigned int &buf_size)
{
    int cret = 0;
    bool ret = false;
    C2DBuffReq bufferreq;

    if (c2dcc) {
        bufferreq.size = 0;
        cret = c2dcc->getBuffReq(port,&bufferreq);
        DEBUG_PRINT_LOW("Status of getbuffer is %d", cret);
        ret = (cret)?false:true;
        buf_size = bufferreq.size;
    }

    return ret;
}

bool omx_c2d_conv::get_output_filled_length(unsigned int &filled_length)
{
    bool ret = false;
    C2DBuffReq req;
    filled_length = 0;

    if (c2dcc) {
        int cret = c2dcc->getBuffReq(C2D_OUTPUT, &req);
        DEBUG_PRINT_LOW("Status of getBuffReq is %d", cret);
        if (!cret && (req.bpp.denominator > 0)) {
            filled_length = (req.stride * req.sliceHeight * req.bpp.numerator);
            filled_length /= req.bpp.denominator;
            ret = true;
        }
    }

    return ret;
}