Example #1
0
uint8_t* OmapFramebuffer::map(unsigned plane)
{
	FramebufferPlane& p = m_planes[plane];

	if (p.map)
		return p.map;

	p.map = (uint8_t*)omap_bo_map(p.omap_bo);
	if (p.map == MAP_FAILED)
		throw invalid_argument(string("mmap failed: ") + strerror(errno));

	return p.map;
}
Example #2
0
static int callCompute_Linux()
{
    Mx_Compute *compute = NULL;
    int drmFd = 0;
    struct omap_device *dev = NULL;
    struct omap_bo *compute_bo = NULL;
    struct omap_bo *inBuf_bo = NULL;
    struct omap_bo *outBuf_bo = NULL;
    uint32_t * inBufPtr = NULL;
    uint32_t * outBufPtr = NULL;
    int status = 0;
    int size;
    uint32_t val;
    int i;
    int32_t ret;

    /* On Linux, use omapdrm driver to get a Tiler buffer for shared memory */
    drmFd = drmOpen("omapdrm", NULL);

    if (drmFd < 0) {
        fprintf(stderr, "could not open omapdrm device: %d: %s\n",
                         errno, strerror(errno));
        return 1;
    }

    dev = omap_device_new(drmFd);
    if (!dev) {
        fprintf(stderr, "could not get device from fd\n");
        goto leave;
    }

    /* allocate a compute structure in shared memory and get a pointer */
    compute_bo = omap_bo_new(dev, sizeof(Mx_Compute), OMAP_BO_CACHED);
    if (compute_bo) {
        compute = (Mx_Compute *)omap_bo_map(compute_bo);
    }
    else {
        fprintf(stderr, "failed to allocate omap_bo\n");
    }

    if (compute == NULL) {
        fprintf(stderr, "failed to map omap_bo to user space\n");
        goto leave;
    }

    /* initialize compute structure */
    compute->coef = 0x80400000;
    compute->key = 0xABA0;
    compute->size = 0x1000;
    compute->inBuf = NULL;
    compute->outBuf = NULL;

    /* allocate an input buffer in shared memory */
    size = compute->size * sizeof(uint32_t);
    inBuf_bo = omap_bo_new(dev, size, OMAP_BO_CACHED);
    if (inBuf_bo) {
        inBufPtr = (uint32_t *)omap_bo_map(inBuf_bo);
    }
    else {
        fprintf(stderr, "failed to allocate inBuf_bo\n");
    }

    if (inBufPtr == NULL) {
        printf("mmrpc_test: Error: inBufPtr == NULL\n");
        status = -1;
        goto leave;
    }

    /* fill input buffer with seed value */
    for (i = 0; i < compute->size; i++) {
        inBufPtr[i] = 0x2010;
    }

    /* allocate an output buffer in shared memory */
    outBuf_bo = omap_bo_new(dev, size, OMAP_BO_CACHED);
    if (outBuf_bo) {
        outBufPtr = (uint32_t *)omap_bo_map(outBuf_bo);
    }
    else {
        fprintf(stderr, "failed to allocate outBuf_bo handle\n");
    }

    if (outBufPtr == NULL) {
        printf("mmrpc_test: Error: outBufPtr == NULL\n");
        status = -1;
        goto leave;
    }

    /* clear output buffer */
    for (i = 0; i < compute->size; i++) {
        outBufPtr[i] = 0;
    }

    compute->inBuf = (uint32_t *)inBufPtr;
    compute->outBuf = (uint32_t *)outBufPtr;

    /* print some debug info */
    printf("mmrpc_test: calling Mx_compute(0x%x)\n", (unsigned int)compute);
    printf("mmrpc_test: compute->coef=0x%x\n", compute->coef);
    printf("mmrpc_test: compute->key=0x%x\n", compute->key);
    printf("mmrpc_test: compute->size=0x%x\n", compute->size);
    printf("mmrpc_test: compute->inBuf=0x%x\n", (unsigned int)compute->inBuf);
    printf("mmrpc_test: compute->outBuf=0x%x\n", (unsigned int)compute->outBuf);

    /* process the buffer */
    ret = Mx_compute_Linux(compute, omap_bo_dmabuf(compute_bo),
                                    omap_bo_dmabuf(inBuf_bo),
                                    omap_bo_dmabuf(outBuf_bo));

    if (ret < 0) {
        status = -1;
        printf("mmrpc_test: Error: Mx_Compute() failed\n");
        goto leave;
    }

    printf("mmrpc_test: after Mx_compute(0x%x)\n", (unsigned int)compute);
    printf("mmrpc_test: compute->coef=0x%x\n", compute->coef);
    printf("mmrpc_test: compute->key=0x%x\n", compute->key);
    printf("mmrpc_test: compute->size=0x%x\n", compute->size);
    printf("mmrpc_test: compute->inBuf=0x%x\n", (unsigned int)compute->inBuf);
    printf("mmrpc_test: compute->outBuf=0x%x\n", (unsigned int)compute->outBuf);
    printf("mmrpc_test: compute->inBuf[0]=0x%x\n",
            (unsigned int)compute->inBuf[0]);
    printf("mmrpc_test: compute->outBuf[0]=0x%x\n",
            (unsigned int)compute->outBuf[0]);

    /* check the output buffer */
    for (i = 0; i < compute->size; i++) {
        val = outBufPtr[i] | compute->coef;
        if (outBufPtr[i] != val) {
            status = -1;
            printf("mmrpc_test: Error: incorrect outBuf\n");
            break;
        }
    }

leave:
    if (outBuf_bo) {
        omap_bo_del(outBuf_bo);
    }
    if (inBuf_bo) {
        omap_bo_del(inBuf_bo);
    }
    if (compute_bo) {
        omap_bo_del(compute_bo);
    }
    if (dev) {
        omap_device_del(dev);
    }
    if (drmFd) {
        close(drmFd);
    }

    return (status);
}
Example #3
0
void *
capture_loop(void *arg)
{
	struct thr_data *data = (struct thr_data *)arg;
	struct display *disp = data->disp;
	struct v4l2 *v4l2 = data->v4l2;
	uint32_t fourcc = data->fourcc;
	uint32_t width = data->width, height = data->height;

	struct buffer **buffers, *capt, *alg, **alg_bufs;
	int ret, i;
	int *src, *dst;
	int w, h;

	buffers = disp_get_vid_buffers(disp, NBUF, fourcc, width, height);
	if (!buffers) {
		return NULL;
	}

	alg_bufs = disp_get_vid_buffers(disp, 1, fourcc, width, height);
	alg = alg_bufs[0];

	ret = v4l2_reqbufs(v4l2, buffers, NBUF);
	if (ret) {
		return NULL;
	}

	for (i = 0; i < NBUF; i++) {
		v4l2_qbuf(v4l2, buffers[i]);
	}

	ret = v4l2_streamon(v4l2);
	if (ret) {
		return NULL;
	}

	for (i = 1; i < CNT; i++) {

		capt = v4l2_dqbuf(v4l2);

src = omap_bo_map(capt->bo[0]);
dst = omap_bo_map(alg->bo[0]);

//printf("debug: %p %p\n", src, dst);
omap_bo_cpu_prep(capt->bo[0], OMAP_GEM_READ);
omap_bo_cpu_prep(alg->bo[0], OMAP_GEM_WRITE);
//printf("bufers prepared\n");

/*
for (h=0; h<720; h++)
	for(w=0;w<1280 / 2;w++)
		dst[h * 1280 / 2 + w] = src[h * 1280 / 2 + 1280 / 2 - w];


*/

printf("Calling get Image");
//getImage(dst);




//printf("Mirrrored\n");
omap_bo_cpu_fini(capt->bo[0], OMAP_GEM_READ);
omap_bo_cpu_fini(alg->bo[0], OMAP_GEM_WRITE);

ret = disp_post_vid_buffer(disp, alg,
		0, 0, width, height);

//printf("Alg buffer posted\n");
		ret = disp_post_vid_buffer(disp, capt,
			0, 0, width, height);
		if (ret) {
			ERROR("Post buffer failed");
			return NULL;
		}
		v4l2_qbuf(v4l2, capt);
	}
	v4l2_streamoff(v4l2);

	MSG("Ok!");
	return disp;
}