summaryrefslogtreecommitdiffstats
path: root/meta-agl-bsp/meta-ti/recipes-arago/gst-plugins-ti/gstreamer1.0-plugins-ducati_git.bb
blob: a5d0e80d8f9531eb3019e317b9473b3cab7afd34 (plain) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

DESCRIPTION = "GStreamer elements to use the multimedia accelerators available on some TI parts"
LICENSE = "LGPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"

require gstreamer1.0-plugins-ti.inc

PR = "${INC_PR}.20"
SRCREV = "7ce9b730de98ceb9d3b63a5977b2e470fab04efb"

BRANCH ?= "master"

SRC_URI = "git://git.ti.com/glsdk/gst-plugin-ducati.git;protocol=git;branch=${BRANCH} \
          "

FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
olor: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * Copyright (C) 2015, 2016 "IoT.bzh"
 * Author "Romain Forlot" <romain.forlot@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	 http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include "can-bus.hpp"

class decoder_t
{
	private:

	public:
		/* Public: Parse the signal's bitfield from the given data and return the raw
		* value.
		*
		* signal - The signal to parse from the data.
		* data - The data to parse the signal from.
		* length - The length of the data array.
		*
		* Returns the raw value of the signal parsed as a bitfield from the given byte
		* array.
		*/
		float parseSignalBitfield(CanSignal& signal, const can_message_t& message);

		/* Public: Find and return the corresponding string state for a CAN signal's
		* raw integer value.
		*
		* This is an implementation of the SignalDecoder type signature, and can be
		* used directly in the CanSignal.decoder field.
		*
		* signal  - The details of the signal that contains the state mapping.
		* signals - The list of all signals.
		* signalCount - the length of the signals array.
		* value - The numerical value that should map to a state.
		* send - An output argument that will be set to false if the value should
		*     not be sent for any reason.
		*
		* Returns a DynamicField with a string value if a matching state is found in
		* the signal. If an equivalent isn't found, send is sent to false and the
		* return value is undefined.
		*/
		static openxc_DynamicField stateDecoder(CanSignal& signal, const std::vector<CanSignal>& signals,
				float value, bool* send);

		/* Public: Coerces a numerical value to a boolean.
		*
		* This is an implementation of the SignalDecoder type signature, and can be
		* used directly in the CanSignal.decoder field.
		*
		* signal  - The details of the signal that contains the state mapping.
		* signals - The list of all signals
		* signalCount - The length of the signals array
		* value - The numerical value that will be converted to a boolean.
		* send - An output argument that will be set to false if the value should
		*     not be sent for any reason.
		*
		* Returns a DynamicField with a boolean value of false if the raw signal value
		* is 0.0, otherwise true. The 'send' argument will not be modified as this
		* decoder always succeeds.
		*/
		static openxc_DynamicField booleanDecoder(CanSignal& signal, const std::vector<CanSignal>& signals,
				float value, bool* send);

		/* Public: Update the metadata for a signal and the newly received value.
		*
		* This is an implementation of the SignalDecoder type signature, and can be
		* used directly in the CanSignal.decoder field.
		*
		* This function always flips 'send' to false.
		*
		* signal  - The details of the signal that contains the state mapping.
		* signals - The list of all signals.
		* signalCount - The length of the signals array.
		* value - The numerical value that will be converted to a boolean.
		* send - This output argument will always be set to false, so the caller will
		*      know not to publish this value to the pipeline.
		*
		* The return value is undefined.
		*/
		 openxc_DynamicField ignoreDecoder(CanSignal& signal, const std::vector<CanSignal>& signals,
				float value, bool* send);

		/* Public: Wrap a raw CAN signal value in a DynamicField without modification.
		*
		* This is an implementation of the SignalDecoder type signature, and can be
		* used directly in the CanSignal.decoder field.
		*
		* signal  - The details of the signal that contains the state mapping.
		* signals - The list of all signals
		* signalCount - The length of the signals array
		* value - The numerical value that will be wrapped in a DynamicField.
		* send - An output argument that will be set to false if the value should
		*     not be sent for any reason.
		*
		* Returns a DynamicField with the original, unmodified raw CAN signal value as
		* its numeric value. The 'send' argument will not be modified as this decoder
		* always succeeds.
		*/
		static openxc_DynamicField noopDecoder(CanSignal& signal, const std::vector<CanSignal>& signals,
				float value, bool* send);


		/* Public: Parse a signal from a CAN message, apply any required transforations
		 *      to get a human readable value and public the result to the pipeline.
		 *
		* If the CanSignal has a non-NULL 'decoder' field, the raw CAN signal value
		* will be passed to the decoder before publishing.
		*
		* signal - The details of the signal to decode and forward.
		* message   - The received CAN message that should contain this signal.
		* signals - an array of all active signals.
		*
		* The decoder returns an openxc_DynamicField, which may contain a number,
		* string or boolean.
		*/
		openxc_DynamicField translateSignal(CanSignal& signal, can_message_t& message,
			const std::vector<CanSignal>& signals);
		
		/* Public: Parse a signal from a CAN message and apply any required
		* transforations to get a human readable value.
		*
		* If the CanSignal has a non-NULL 'decoder' field, the raw CAN signal value
		* will be passed to the decoder before returning.
		*
		* signal - The details of the signal to decode and forward.
		* message   - The CAN message that contains the signal.
		* signals - an array of all active signals.
		* send - An output parameter that will be flipped to false if the value could
		*      not be decoded.
		*
		* The decoder returns an openxc_DynamicField, which may contain a number,
		* string or boolean. If 'send' is false, the return value is undefined.
		*/
		openxc_DynamicField decodeSignal(CanSignal& signal, const can_message_t& message,
				const std::vector<CanSignal>& signals, bool* send);

		/* Public: Decode a transformed, human readable value from an raw CAN signal
		* already parsed from a CAN message.
		*
		* This is the same as decodeSignal(const CanSignal&, CanMessage*, const CanSignal&, int,
		* bool*) but you must parse the bitfield value of the signal from the CAN
		* message yourself. This is useful if you need that raw value for something
		* else.
		*/
		openxc_DynamicField decodeSignal(CanSignal& signal, float value,
			const std::vector<CanSignal>& signals, bool* send);
};