示例#1
0
static u32 vcd_set_buffer_requirements_cmn
    (struct vcd_clnt_ctxt *cctxt,
     enum vcd_buffer_type buffer,
     struct vcd_buffer_requirement *buffer_req)
{
	struct vcd_property_hdr Prop_hdr;
	u32 rc = VCD_S_SUCCESS;
	struct vcd_buffer_pool *buf_pool;
	u32 first_frm_recvd = 0;

	VCD_MSG_LOW("vcd_set_buffer_requirements_cmn in %d:",
		    cctxt->clnt_state.state);

	if (!cctxt->decoding &&
	    cctxt->clnt_state.state != VCD_CLIENT_STATE_OPEN) {
		VCD_MSG_ERROR("Bad state (%d) for encoder",
					cctxt->clnt_state.state);

		return VCD_ERR_BAD_STATE;
	}

	VCD_MSG_MED("Buffer type = %d", buffer);

	if (buffer == VCD_BUFFER_INPUT) {
		Prop_hdr.prop_id = DDL_I_INPUT_BUF_REQ;
		buf_pool = &cctxt->in_buf_pool;
		first_frm_recvd = VCD_FIRST_IP_RCVD;
	} else if (buffer == VCD_BUFFER_OUTPUT) {
		Prop_hdr.prop_id = DDL_I_OUTPUT_BUF_REQ;
		buf_pool = &cctxt->out_buf_pool;
		first_frm_recvd = VCD_FIRST_OP_RCVD;
	} else {
		rc = VCD_ERR_ILLEGAL_PARM;
	}

	VCD_FAILED_RETURN(rc, "Invalid buffer type provided");

	if (buf_pool->validated > 0) {
		VCD_MSG_ERROR("Need to free allocated buffers");

		return VCD_ERR_ILLEGAL_OP;
	}

	first_frm_recvd &= cctxt->status.mask;
	if (first_frm_recvd) {
		VCD_MSG_ERROR("VCD SetBufReq called when data path is active");

		return VCD_ERR_BAD_STATE;
	}

	Prop_hdr.sz = sizeof(*buffer_req);

	rc = ddl_set_property(cctxt->ddl_handle, &Prop_hdr, buffer_req);

	VCD_FAILED_RETURN(rc, "Failed: ddl_set_property");

	if (buf_pool->entries) {
		VCD_MSG_MED("Resetting buffer requirements");

		vcd_free_buffer_pool_entries(buf_pool);
	}

	rc = vcd_alloc_buffer_pool_entries(buf_pool, buffer_req);

	return rc;

}
示例#2
0
static u32 vcd_set_buffer_requirements_cmn
    (struct vcd_clnt_ctxt_type_t *p_cctxt,
     enum vcd_buffer_type e_buffer,
     struct vcd_buffer_requirement_type *p_buffer_req)
{
	struct vcd_property_hdr_type Prop_hdr;
	u32 rc = VCD_S_SUCCESS;
	struct vcd_buffer_pool_type *p_buf_pool;
	u32 b_first_frm_recvd = FALSE;

	VCD_MSG_LOW("vcd_set_buffer_requirements_cmn in %d:",
		    p_cctxt->clnt_state.e_state);

	if (!p_cctxt->b_decoding &&
	    p_cctxt->clnt_state.e_state != VCD_CLIENT_STATE_OPEN) {
		VCD_MSG_ERROR("Bad state (%d) for encoder",
					p_cctxt->clnt_state.e_state);

		return VCD_ERR_BAD_STATE;
	}

	VCD_MSG_MED("Buffer type = %d", e_buffer);

	if (e_buffer == VCD_BUFFER_INPUT) {
		Prop_hdr.prop_id = DDL_I_INPUT_BUF_REQ;
		p_buf_pool = &p_cctxt->in_buf_pool;
		b_first_frm_recvd = p_cctxt->status.b_first_ip_frame_recvd;
	} else if (e_buffer == VCD_BUFFER_OUTPUT) {
		Prop_hdr.prop_id = DDL_I_OUTPUT_BUF_REQ;
		p_buf_pool = &p_cctxt->out_buf_pool;
		b_first_frm_recvd = p_cctxt->status.b_first_op_frame_recvd;
	} else {
		rc = VCD_ERR_ILLEGAL_PARM;
	}

	VCD_FAILED_RETURN(rc, "Invalid buffer type provided");

	if (p_buf_pool->n_validated > 0) {
		VCD_MSG_ERROR("Need to free allocated buffers");

		return VCD_ERR_ILLEGAL_OP;
	}

	if (b_first_frm_recvd) {
		VCD_MSG_ERROR("VCD SetBufReq called when data path is active");

		return VCD_ERR_BAD_STATE;
	}

	Prop_hdr.n_size = sizeof(*p_buffer_req);

	rc = ddl_set_property(p_cctxt->ddl_handle, &Prop_hdr, p_buffer_req);

	VCD_FAILED_RETURN(rc, "Failed: ddl_set_property");

	if (p_buf_pool->a_entries) {
		VCD_MSG_MED("Resetting buffer requirements");

		vcd_free_buffer_pool_entries(p_buf_pool);
	}

	rc = vcd_alloc_buffer_pool_entries(p_buf_pool, p_buffer_req);

	return rc;

}