#include <omxcore.h>
#include <omx_base_audio_port.h>
#include <omx_volume_component.h>
#include <OMX_Audio.h>

Defines
#define	GAIN_VALUE 100.0f
Functions
OMX_ERRORTYPE	omx_volume_component_Constructor (OMX_COMPONENTTYPE *openmaxStandComp, OMX_STRING cComponentName)
OMX_ERRORTYPE	omx_volume_component_Destructor (OMX_COMPONENTTYPE *openmaxStandComp)
void	omx_volume_component_BufferMgmtCallback (OMX_COMPONENTTYPE openmaxStandComp, OMX_BUFFERHEADERTYPE pInputBuffer, OMX_BUFFERHEADERTYPE *pOutputBuffer)
OMX_ERRORTYPE	omx_volume_component_SetConfig (OMX_HANDLETYPE hComponent, OMX_INDEXTYPE nIndex, OMX_PTR pComponentConfigStructure)
OMX_ERRORTYPE	omx_volume_component_GetConfig (OMX_HANDLETYPE hComponent, OMX_INDEXTYPE nIndex, OMX_PTR pComponentConfigStructure)
OMX_ERRORTYPE	omx_volume_component_SetParameter (OMX_HANDLETYPE hComponent, OMX_INDEXTYPE nParamIndex, OMX_PTR ComponentParameterStructure)
OMX_ERRORTYPE	omx_volume_component_GetParameter (OMX_HANDLETYPE hComponent, OMX_INDEXTYPE nParamIndex, OMX_PTR ComponentParameterStructure)

Define Documentation

#define GAIN_VALUE 100.0f

src/components/audio_effects/omx_volume_component.c

OpenMAX volume control component. This component implements a filter that controls the volume level of the audio PCM stream.

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Definition at line 33 of file omx_volume_component.c.

Referenced by omx_volume_component_BufferMgmtCallback(), and omx_volume_component_Constructor().

Function Documentation

void omx_volume_component_BufferMgmtCallback	(	OMX_COMPONENTTYPE *	openmaxStandComp,
		OMX_BUFFERHEADERTYPE *	pInputBuffer,
		OMX_BUFFERHEADERTYPE *	pOutputBuffer
	)

This function is used to process the input buffer and provide one output buffer

Definition at line 145 of file omx_volume_component.c.

References omx_volume_component_PrivateType::gain, GAIN_VALUE, OMX_BUFFERHEADERTYPE::nFilledLen, OMX_BUFFERHEADERTYPE::pBuffer, and OMX_COMPONENTTYPE::pComponentPrivate.

Referenced by omx_volume_component_Constructor().

OMX_ERRORTYPE omx_volume_component_Constructor	(	OMX_COMPONENTTYPE *	openmaxStandComp,
		OMX_STRING	cComponentName
	)

Calling base filter constructor

Allocate Ports and call port constructor.

Domain specific section for the ports.

Definition at line 35 of file omx_volume_component.c.

Referenced by omx_component_library_Setup().

OMX_ERRORTYPE omx_volume_component_Destructor ( OMX_COMPONENTTYPE * openmaxStandComp )

The destructor

Definition at line 120 of file omx_volume_component.c.

References DEB_LEV_FUNCTION_NAME, DEBUG, OMX_PORT_PARAM_TYPE::nPorts, omx_base_filter_Destructor(), OMX_ErrorNone, OMX_PortDomainAudio, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::PortDestructor, omx_volume_component_PrivateType::ports, and omx_volume_component_PrivateType::sPortTypesParam.

Referenced by omx_volume_component_Constructor().

OMX_ERRORTYPE omx_volume_component_GetConfig	(	OMX_HANDLETYPE	hComponent,
		OMX_INDEXTYPE	nIndex,
		OMX_PTR	pComponentConfigStructure
	)

Definition at line 190 of file omx_volume_component.c.

References OMX_AUDIO_CONFIG_VOLUMETYPE::bLinear, err, omx_volume_component_PrivateType::gain, OMX_BS32::nMax, OMX_BS32::nMin, OMX_BS32::nValue, omx_base_component_GetConfig(), OMX_ErrorNone, OMX_IndexConfigAudioVolume, OMX_TRUE, OMX_COMPONENTTYPE::pComponentPrivate, setHeader(), and OMX_AUDIO_CONFIG_VOLUMETYPE::sVolume.

Referenced by omx_volume_component_Constructor().

OMX_ERRORTYPE omx_volume_component_GetParameter	(	OMX_HANDLETYPE	hComponent,
		OMX_INDEXTYPE	nParamIndex,
		OMX_PTR	ComponentParameterStructure
	)

Definition at line 272 of file omx_volume_component.c.

References OMX_AUDIO_PARAM_PCMMODETYPE::bInterleaved, checkHeader(), OMX_PARAM_COMPONENTROLETYPE::cRole, DEB_LEV_SIMPLE_SEQ, DEBUG, OMX_AUDIO_PARAM_PCMMODETYPE::eEndian, OMX_AUDIO_PARAM_PCMMODETYPE::eNumData, OMX_AUDIO_PARAM_PCMMODETYPE::ePCMMode, err, OMX_AUDIO_PARAM_PCMMODETYPE::nBitPerSample, OMX_AUDIO_PARAM_PCMMODETYPE::nChannels, OMX_AUDIO_PARAM_PCMMODETYPE::nPortIndex, OMX_AUDIO_PARAM_PORTFORMATTYPE::nPortIndex, OMX_AUDIO_PARAM_PCMMODETYPE::nSamplingRate, OMX_AUDIO_PCMModeLinear, omx_base_component_GetParameter(), OMX_EndianBig, OMX_ErrorBadParameter, OMX_ErrorBadPortIndex, OMX_ErrorNone, OMX_IndexParamAudioInit, OMX_IndexParamAudioPcm, OMX_IndexParamAudioPortFormat, OMX_IndexParamStandardComponentRole, OMX_NumericalDataSigned, OMX_PortDomainAudio, OMX_TRUE, OMX_COMPONENTTYPE::pComponentPrivate, omx_volume_component_PrivateType::ports, omx_base_audio_PortType::sAudioParam, omx_volume_component_PrivateType::sPortTypesParam, and VOLUME_COMP_ROLE.

Referenced by omx_volume_component_Constructor().

OMX_ERRORTYPE omx_volume_component_SetConfig	(	OMX_HANDLETYPE	hComponent,
		OMX_INDEXTYPE	nIndex,
		OMX_PTR	pComponentConfigStructure
	)

setting configurations

Definition at line 163 of file omx_volume_component.c.

References err, omx_volume_component_PrivateType::gain, OMX_BS32::nValue, omx_base_component_SetConfig(), OMX_ErrorBadParameter, OMX_ErrorNone, OMX_IndexConfigAudioVolume, OMX_COMPONENTTYPE::pComponentPrivate, and OMX_AUDIO_CONFIG_VOLUMETYPE::sVolume.

Referenced by omx_volume_component_Constructor().

OMX_ERRORTYPE omx_volume_component_SetParameter	(	OMX_HANDLETYPE	hComponent,
		OMX_INDEXTYPE	nParamIndex,
		OMX_PTR	ComponentParameterStructure
	)

Defines

Functions

Define Documentation

Function Documentation