Exemplos de imx_vpu_dec_load em C++ (Cpp)

Exemplo n.º 1

Arquivo: device.c Projeto: Freescale/gstreamer-imx

gboolean gst_imx_vpu_decoder_load()
{
	gboolean ret;

	g_mutex_lock(&load_mutex);
	imx_vpu_setup_heap_allocator_functions();
	ret = (imx_vpu_dec_load() == IMX_VPU_DEC_RETURN_CODE_OK);
	g_mutex_unlock(&load_mutex);

	return ret;
}

Exemplo n.º 2

Arquivo: imxvpuapi_jpeg.c Projeto: scabot/libimxvpuapi

ImxVpuDecReturnCodes imx_vpu_jpeg_dec_open(ImxVpuJPEGDecoder **jpeg_decoder, ImxVpuDMABufferAllocator *dma_buffer_allocator, unsigned int num_extra_framebuffers)
{
	ImxVpuDecOpenParams open_params;
	ImxVpuDecReturnCodes ret = IMX_VPU_DEC_RETURN_CODE_OK;
	ImxVpuJPEGDecoder *jpegdec = NULL;

	assert(jpeg_decoder != NULL);

	if ((ret = imx_vpu_dec_load()) != IMX_VPU_DEC_RETURN_CODE_OK)
		return ret;

	jpegdec = IMX_VPU_ALLOC(sizeof(ImxVpuJPEGDecoder));
	if (jpegdec == NULL)
	{
		IMX_VPU_ERROR("allocating memory for JPEG decoder object failed");
		return IMX_VPU_DEC_RETURN_CODE_ERROR;
	}

	memset(jpegdec, 0, sizeof(ImxVpuJPEGDecoder));

	jpegdec->dma_buffer_allocator = (dma_buffer_allocator != NULL) ? dma_buffer_allocator : imx_vpu_dec_get_default_allocator();
	jpegdec->num_extra_framebuffers = num_extra_framebuffers;

	memset(&open_params, 0, sizeof(open_params));
	open_params.codec_format = IMX_VPU_CODEC_FORMAT_MJPEG;
	open_params.frame_width = 0;
	open_params.frame_height = 0;

	imx_vpu_dec_get_bitstream_buffer_info(&(jpegdec->bitstream_buffer_size), &(jpegdec->bitstream_buffer_alignment));
	jpegdec->bitstream_buffer = imx_vpu_dma_buffer_allocate(jpegdec->dma_buffer_allocator, jpegdec->bitstream_buffer_size, jpegdec->bitstream_buffer_alignment, 0);
	if (jpegdec->bitstream_buffer == NULL)
	{
		IMX_VPU_ERROR("could not allocate DMA buffer for bitstream buffer with %u bytes and alignment %u", jpegdec->bitstream_buffer_size, jpegdec->bitstream_buffer_alignment);
		ret = IMX_VPU_DEC_RETURN_CODE_ERROR;
		goto error;
	}

	if ((ret = imx_vpu_dec_open(&(jpegdec->decoder), &open_params, jpegdec->bitstream_buffer, initial_info_callback, jpegdec)) != IMX_VPU_DEC_RETURN_CODE_OK)
		goto error;

	*jpeg_decoder = jpegdec;

	return IMX_VPU_DEC_RETURN_CODE_OK;

error:
	if (jpegdec != NULL)
	{
		if (jpegdec->bitstream_buffer != NULL)
			imx_vpu_dma_buffer_deallocate(jpegdec->bitstream_buffer);
		IMX_VPU_FREE(jpegdec, sizeof(ImxVpuJPEGDecoder));
	}

	return ret;
}

Exemplo n.º 3

Arquivo: jpeg-dec-example.c Projeto: Keerecles/libimxvpuapi

Context* init(FILE *input_file, FILE *output_file)
{
	Context *ctx;
	ImxVpuDecOpenParams open_params;

	ctx = calloc(1, sizeof(Context));
	ctx->fin = input_file;
	ctx->fout = output_file;

	open_params.codec_format = IMX_VPU_CODEC_FORMAT_MJPEG;
	open_params.frame_width = 0;
	open_params.frame_height = 0;

	imx_vpu_dec_load();
	imx_vpu_dec_get_bitstream_buffer_info(&(ctx->bitstream_buffer_size), &(ctx->bitstream_buffer_alignment));
	ctx->bitstream_buffer = imx_vpu_dma_buffer_allocate(imx_vpu_dec_get_default_allocator(), ctx->bitstream_buffer_size, ctx->bitstream_buffer_alignment, 0);
	imx_vpu_dec_open(&(ctx->vpudec), &open_params, ctx->bitstream_buffer);

	return ctx;
}