imagedecoder/JPEGDecoder_img.cpp

/* INTEL CONFIDENTIAL
* Copyright (c) 2012, 2013 Intel Corporation.  All rights reserved.
* Copyright (c) Imagination Technologies Limited, UK
*
* The source code contained or described herein and all documents
* related to the source code ("Material") are owned by Intel
* Corporation or its suppliers or licensors.  Title to the
* Material remains with Intel Corporation or its suppliers and
* licensors.  The Material contains trade secrets and proprietary
* and confidential information of Intel or its suppliers and
* licensors. The Material is protected by worldwide copyright and
* trade secret laws and treaty provisions.  No part of the Material
* may be used, copied, reproduced, modified, published, uploaded,
* posted, transmitted, distributed, or disclosed in any way without
* Intel's prior express written permission.
*
* No license under any patent, copyright, trade secret or other
* intellectual property right is granted to or conferred upon you
* by disclosure or delivery of the Materials, either expressly, by
* implication, inducement, estoppel or otherwise. Any license
* under such intellectual property rights must be express and
* approved by Intel in writing.
*
* Authors:
*    Nana Guo <nana.n.guo@intel.com>
*    Yao Cheng <yao.cheng@intel.com>
*
*/

#include "JPEGCommon_Img.h"
#include "JPEGDecoder.h"

int fourcc2PixelFormat(uint32_t fourcc)
{
    switch(fourcc) {
    case VA_FOURCC_YV12:
        return HAL_PIXEL_FORMAT_YV12;
    case VA_FOURCC_YUY2:
        return HAL_PIXEL_FORMAT_YCbCr_422_I;
    case VA_FOURCC_RGBA:
        return HAL_PIXEL_FORMAT_RGBA_8888;
    default:
        return -1;
    }
}
uint32_t pixelFormat2Fourcc(int pixel_format)
{
    switch(pixel_format) {
    case HAL_PIXEL_FORMAT_YV12:
        return VA_FOURCC_YV12;
    case HAL_PIXEL_FORMAT_YCbCr_422_I:
        return VA_FOURCC_YUY2;
    case HAL_PIXEL_FORMAT_RGBA_8888:
        return VA_FOURCC_RGBA;
    default:
        return 0;
    }
}


bool JpegDecoder::jpegColorFormatSupported(JpegInfo &jpginfo) const
{
    return (jpginfo.image_color_fourcc == VA_FOURCC_IMC3) ||
        (jpginfo.image_color_fourcc == VA_FOURCC_422H) ||
        (jpginfo.image_color_fourcc == VA_FOURCC_444P);
}

JpegDecodeStatus JpegDecoder::createSurfaceDrm(int width, int height, int pixel_format, unsigned long boname, int stride, VASurfaceID *surf_id)
{
    return JD_RENDER_TARGET_TYPE_UNSUPPORTED;
}

JpegDecodeStatus JpegDecoder::createSurfaceGralloc(int width, int height, int pixel_format, buffer_handle_t handle, int stride, VASurfaceID *surf_id)
{
    VAStatus st;
    VASurfaceAttributeTPI attrib_tpi;
    uint32_t va_format = VA_RT_FORMAT_YUV444;
    attrib_tpi.count = 1;
    attrib_tpi.luma_stride = stride;
    attrib_tpi.pixel_format = pixel_format;
    attrib_tpi.width = width;
    attrib_tpi.height = height;
    attrib_tpi.type = VAExternalMemoryAndroidGrallocBuffer;
    attrib_tpi.buffers = (uint32_t*)&handle;

    st = vaCreateSurfacesWithAttribute(
        mDisplay,
        width,
        height,
        va_format,
        1,
        surf_id,
        &attrib_tpi);
    if (st != VA_STATUS_SUCCESS)
        return JD_RESOURCE_FAILURE;
    return JD_SUCCESS;
}