Esempi in C++ (Cpp) per spice_malloc_n

Esempio n. 1

File: canvas_utils.c Progetto: elmarco/spice-common

static inline pixman_image_t *__surface_create_stride(pixman_format_code_t format, int width, int height,
                                                      int stride)
{
    uint8_t *data;
    uint8_t *stride_data;
    pixman_image_t *surface;
    PixmanData *pixman_data;

    data = (uint8_t *)spice_malloc_n(abs(stride), height);
    if (stride < 0) {
        stride_data = data + (-stride) * (height - 1);
    } else {
        stride_data = data;
    }

    surface = pixman_image_create_bits(format, width, height, (uint32_t *)stride_data, stride);

    if (surface == NULL) {
        free(data);
        spice_error("create surface failed, out of memory");
    }

    pixman_data = pixman_image_add_data(surface);
    pixman_data->data = data;
    pixman_data->format = format;

    return surface;
}

Esempio n. 2

File: mjpeg_encoder.c Progetto: colama/colama-3rdparty-tools

MJpegEncoder *mjpeg_encoder_new(int width, int height)
{
    MJpegEncoder *enc;

    enc = spice_new0(MJpegEncoder, 1);

    enc->first_frame = TRUE;
    enc->width = width;
    enc->height = height;
    enc->stride = width * 3;
    enc->quality = 70;
    if (enc->stride < width) {
        abort();
    }
    enc->frame = spice_malloc_n(enc->stride, height);

    enc->cinfo.err = jpeg_std_error(&enc->jerr);

    jpeg_create_compress(&enc->cinfo);

    return enc;
}