1 2 /* 3 * Copyright (C) Texas Instruments - http://www.ti.com/ 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 * 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 /* ============================================================================= 22 * Texas Instruments OMAP (TM) Platform Software 23 * (c) Copyright Texas Instruments, Incorporated. All Rights Reserved. 24 * 25 * Use of this software is controlled by the terms and conditions found 26 * in the license agreement under which this software has been supplied. 27 * =========================================================================== */ 28 /** 29 * @file OMX_G711Enc_ComponentThread.c 30 * 31 * This file implements G711 Encoder Component Thread and its functionality 32 * that is fully compliant with the Khronos OpenMAX (TM) 1.0 Specification 33 * 34 * @path $(CSLPATH)\OMAPSW_MPU\linux\audio\src\openmax_il\g711_enc\src 35 * 36 * @rev 1.0 37 */ 38 /* ---------------------------------------------------------------------------- 39 *! 40 *! Revision History 41 *! =================================== 42 *! 12-Dec-2006: Initial Version 43 *! This is newest file 44 * =========================================================================== */ 45 46 /* ------compilation control switches -------------------------*/ 47 /**************************************************************** 48 * INCLUDE FILES 49 ****************************************************************/ 50 /* ----- system and platform files ----------------------------*/ 51 52 #ifdef UNDER_CE 53 #include <windows.h> 54 #include <oaf_osal.h> 55 #include <omx_core.h> 56 #else 57 #include <dbapi.h> 58 #include <unistd.h> 59 #include <sys/time.h> 60 #include <sys/types.h> 61 #include <sys/ioctl.h> 62 #include <sys/select.h> 63 #include <string.h> 64 #include <fcntl.h> 65 #include <errno.h> 66 #include <stdlib.h> 67 #include <stdio.h> 68 #include <signal.h> 69 #endif 70 /*-------program files ----------------------------------------*/ 71 #include <OMX_Component.h> 72 73 #include "OMX_G711Enc_Utils.h" 74 //#include <encode_common_ti.h> 75 //#include "g711enc_sn_uuid.h" 76 77 /* ================================================================================= */ 78 /** 79 * @fn G711ENC_CompThread() Component thread 80 * 81 * @see OMX_G711Enc_ComponentThread.h 82 */ 83 /* ================================================================================ */ 84 85 void* G711ENC_CompThread(void* pThreadData) 86 { 87 OMX_ERRORTYPE eError = OMX_ErrorNone; 88 int status = 0; 89 struct timespec tv; 90 int fdmax = 0; 91 int ret = 0; 92 fd_set rfds; 93 OMX_U32 nRet = 0; 94 OMX_BUFFERHEADERTYPE *pBufHeader = NULL; 95 G711ENC_COMPONENT_PRIVATE* pComponentPrivate = (G711ENC_COMPONENT_PRIVATE*)pThreadData; 96 OMX_COMPONENTTYPE *pHandle = pComponentPrivate->pHandle; 97 G711ENC_DPRINT("%d :: Entering G711ENC_CompThread\n", __LINE__); 98 99 fdmax = pComponentPrivate->cmdPipe[0]; 100 if (pComponentPrivate->dataPipe[0] > fdmax) { 101 fdmax = pComponentPrivate->dataPipe[0]; 102 } 103 104 while (1) { 105 FD_ZERO (&rfds); 106 FD_SET (pComponentPrivate->cmdPipe[0], &rfds); 107 FD_SET (pComponentPrivate->dataPipe[0], &rfds); 108 tv.tv_sec = 1; 109 tv.tv_nsec = 0; 110 111 #ifndef UNDER_CE 112 sigset_t set; 113 sigemptyset (&set); 114 sigaddset (&set, SIGALRM); 115 status = pselect (fdmax+1, &rfds, NULL, NULL, &tv, &set); 116 #else 117 status = select (fdmax+1, &rfds, NULL, NULL, &tv); 118 #endif 119 120 121 if (0 == status) { 122 if (pComponentPrivate->bIsThreadstop == 1) { 123 pComponentPrivate->bIsThreadstop = 0; 124 pComponentPrivate->lcml_nOpBuf = 0; 125 pComponentPrivate->lcml_nIpBuf = 0; 126 pComponentPrivate->app_nBuf = 0; 127 pComponentPrivate->num_Op_Issued = 0; 128 pComponentPrivate->num_Sent_Ip_Buff = 0; 129 pComponentPrivate->num_Reclaimed_Op_Buff = 0; 130 pComponentPrivate->bIsEOFSent = 0; 131 if (pComponentPrivate->curState != OMX_StateIdle) { 132 G711ENC_DPRINT("%d :: pComponentPrivate->curState is not OMX_StateIdle\n",__LINE__); 133 goto EXIT; 134 } 135 } 136 G711ENC_DPRINT("%d :: Component Time Out !!!!! \n",__LINE__); 137 } else if(-1 == status) { 138 G711ENC_DPRINT("%d :: Error in Select\n", __LINE__); 139 pComponentPrivate->cbInfo.EventHandler ( pHandle, 140 pHandle->pApplicationPrivate, 141 OMX_EventError, 142 OMX_ErrorInsufficientResources, 143 0, 144 "Error from CompThread in select"); 145 eError = OMX_ErrorInsufficientResources; 146 147 } 148 149 else if (FD_ISSET (pComponentPrivate->dataPipe[0], &rfds)){ 150 G711ENC_DPRINT("%d :: DATA pipe is set in Component Thread\n",__LINE__); 151 ret = read(pComponentPrivate->dataPipe[0], &pBufHeader, sizeof(pBufHeader)); 152 if (ret == -1) { 153 G711ENC_DPRINT("%d :: Error while reading from the pipe\n",__LINE__); 154 goto EXIT; 155 } 156 eError = G711ENC_HandleDataBufFromApp(pBufHeader,pComponentPrivate); 157 if (eError != OMX_ErrorNone) { 158 G711ENC_DPRINT("%d :: G711ENC_HandleDataBufFromApp returned error\n",__LINE__); 159 break; 160 } 161 } 162 else if(FD_ISSET (pComponentPrivate->cmdPipe[0], &rfds)) { 163 G711ENC_DPRINT("%d :: CMD pipe is set in Component Thread\n",__LINE__); 164 nRet = G711ENC_HandleCommand(pComponentPrivate); 165 if (nRet == G711ENC_EXIT_COMPONENT_THRD) { 166 167 pComponentPrivate->curState = OMX_StateLoaded; 168 if (pComponentPrivate->bPreempted == 0) { 169 pComponentPrivate->cbInfo.EventHandler( pHandle, 170 pHandle->pApplicationPrivate, 171 OMX_EventCmdComplete, 172 OMX_ErrorNone, 173 pComponentPrivate->curState, 174 NULL); 175 } 176 else { 177 pComponentPrivate->cbInfo.EventHandler(pHandle, 178 pHandle->pApplicationPrivate, 179 OMX_EventError, 180 OMX_ErrorResourcesLost, 181 pComponentPrivate->curState, 182 NULL); 183 pComponentPrivate->bPreempted = 0; 184 } 185 } 186 } 187 } 188 EXIT: 189 G711ENC_DPRINT("%d :: Exiting G711ENC_CompThread\n", __LINE__); 190 G711ENC_DPRINT("%d :: Returning = 0x%x\n",__LINE__,eError); 191 return (void*)eError; 192 } 193