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/*
 * Copyright (C) 2018 "IoT.bzh"
 * Author Jonathan Aillet <jonathan.aillet@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.
 */

#ifndef _HAL_CTLS_SOFTMIXER_LINK_INCLUDE_
#define _HAL_CTLS_SOFTMIXER_LINK_INCLUDE_

#include <stdio.h>

#include <wrap-json.h>

#include "afb-helpers-utils.h"

#include "../4a-hal-utilities/4a-hal-utilities-data.h"

#define MIXER_ATTACH_VERB	"create"

// Enum for the type of error detected
enum MixerStatus {
	MIXER_NO_ERROR=0,
	MIXER_ERROR_API_UNAVAILABLE=-1,
	MIXER_ERROR_NO_STREAMS=-2,
	MIXER_ERROR_STREAM_NAME_UNAVAILABLE=-10,
	MIXER_ERROR_STREAM_CARDID_UNAVAILABLE=-1000,
	MIXER_ERROR_COULDNT_ADD_STREAMS_AS_VERB =-100000,
};

// HAL controllers handle mixer calls functions
int HalCtlsAttachToMixer(AFB_ApiT apiHandle);

#endif /* _HAL_CTLS_SOFTMIXER_LINK_INCLUDE_ */
an class="cp"> CThreadWriteNetwork::CThreadWriteNetwork() : m_hThread(0), m_bRunning(false), m_Multiplexer(NULL) { } void *CThreadWriteNetwork::Run(void *pInst) { assert(NULL != pInst); CThreadWriteNetwork *that = (CThreadWriteNetwork *)pInst; /* set thread to max priority: */ int ret; pthread_t this_thread = pthread_self(); struct sched_param params; params.sched_priority = sched_get_priority_max(SCHED_FIFO); ret = pthread_setschedparam(this_thread, SCHED_FIFO, &params); if (ret != 0) { ConsolePrintf( PRIO_ERROR, RED"CThreadWriteNetwork setschedparam(SCHED_FIFO) failed"RESETCOLOR"\n"); } // Now verify the change in thread priority int policy = 0; ret = pthread_getschedparam(this_thread, &policy, &params); if (ret != 0) { ConsolePrintf( PRIO_ERROR, RED"CThreadWriteNetwork getschedparam() failed"RESETCOLOR"\n"); } bool errorPrinted = false; WriteResult_t result; bool shallWait; while (that->m_bRunning) { shallWait = true; result = that->m_Multiplexer->WriteToDriver(); switch (result) { case WriteResult_Failed: if (!errorPrinted) { errorPrinted = true; ConsolePrintf( PRIO_ERROR, RED"failed to write driver"RESETCOLOR"\n"); } break; case WriteResult_WouldBlock: break; case WriteResult_Success: default: shallWait = false; break; } if ( that->m_bRunning && shallWait ) usleep(1000); } pthread_exit(0); } void CThreadWriteNetwork::Start() { if ( m_bRunning ) return; if ( NULL == m_Multiplexer ) return; m_bRunning = true; if ( 0 != pthread_create(&m_hThread, NULL, Run, this) ) ConsolePrintf( PRIO_ERROR, RED"! failed to create thread"RESETCOLOR"\n"); } void CThreadWriteNetwork::Stop() { if ( m_bRunning ) { m_bRunning = false; void *pVal; pthread_join(m_hThread, &pVal); m_hThread = 0; } } void CThreadWriteNetwork::AddMultiplexer(CMultiplexer *multiplexer) { Stop(); m_Multiplexer = multiplexer; Start(); } void CThreadWriteNetwork::RemoveMultiplexer(CMultiplexer *multiplexer) { Stop(); m_Multiplexer = NULL; }