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      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_AacDec_CompThread.c
     30 *
     31 * This file implements OMX Component for AAC Decoder that
     32 * is fully compliant with the OMX Audio specification 1.0.
     33 *
     34 * @path  $(CSLPATH)\
     35 *
     36 * @rev  1.0
     37 */
     38 /* ----------------------------------------------------------------------------
     39 *!
     40 *! Revision History
     41 *! ===================================
     42 *! 13-Dec-2005 mf:  Initial Version. Change required per OMAPSWxxxxxxxxx
     43 *! to provide _________________.
     44 *!
     45 * ============================================================================= */
     46 
     47 
     48 /* ------compilation control switches -------------------------*/
     49 /****************************************************************
     50 *  INCLUDE FILES
     51 ****************************************************************/
     52 /* ----- system and platform files ----------------------------*/
     53 
     54 
     55 
     56 #ifdef UNDER_CE
     57 #include <windows.h>
     58 #include <oaf_osal.h>
     59 #include <omx_core.h>
     60 #include <stdlib.h>
     61 #else
     62 #include <wchar.h>
     63 #include <unistd.h>
     64 #include <sys/types.h>
     65 #include <sys/wait.h>
     66 #include <sys/types.h>
     67 #include <sys/stat.h>
     68 #include <dlfcn.h>
     69 #include <sys/select.h>
     70 #include <memory.h>
     71 #include <fcntl.h>
     72 #include <signal.h>
     73 #endif
     74 
     75 #include <dbapi.h>
     76 #include <string.h>
     77 #include <stdio.h>
     78 
     79 #ifdef ANDROID
     80 #include <utils/threads.h>
     81 #include <sys/prctl.h>
     82 #endif
     83 
     84 #include "OMX_AacDec_Utils.h"
     85 
     86 /* ================================================================================= * */
     87 /**
     88 * @fn AACDEC_ComponentThread() This is component thread that keeps listening for
     89 * commands or event/messages/buffers from application or from LCML.
     90 *
     91 * @param pThreadData This is thread argument.
     92 *
     93 * @pre          None
     94 *
     95 * @post         None
     96 *
     97 *  @return      OMX_ErrorNone = Always
     98 *
     99 *  @see         None
    100 */
    101 /* ================================================================================ * */
    102 void* AACDEC_ComponentThread (void* pThreadData)
    103 {
    104     int status;
    105     struct timespec tv;
    106     int fdmax;
    107     fd_set rfds;
    108     OMX_U32 nRet;
    109     OMX_ERRORTYPE eError = OMX_ErrorNone;
    110     AACDEC_COMPONENT_PRIVATE* pComponentPrivate = (AACDEC_COMPONENT_PRIVATE*)pThreadData;
    111     OMX_COMPONENTTYPE *pHandle = pComponentPrivate->pHandle;
    112 
    113 #ifdef ANDROID
    114     setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_AUDIO);
    115     prctl(PR_SET_NAME, (unsigned long)"AACComponent", 0, 0, 0);
    116 #endif
    117 
    118     OMX_PRINT1(pComponentPrivate->dbg, "%d :: Entering ComponentThread \n",__LINE__);
    119 #ifdef __PERF_INSTRUMENTATION__
    120     pComponentPrivate->pPERFcomp = PERF_Create(PERF_FOURCC('A', 'C', 'D', '_'),
    121                                                PERF_ModuleComponent |
    122                                                PERF_ModuleAudioDecode);
    123 #endif
    124     fdmax = pComponentPrivate->cmdPipe[0];
    125 
    126     if (pComponentPrivate->dataPipe[0] > fdmax) {
    127         fdmax = pComponentPrivate->dataPipe[0];
    128     }
    129 
    130 
    131     while (1) {
    132         FD_ZERO (&rfds);
    133         FD_SET (pComponentPrivate->cmdPipe[0], &rfds);
    134         FD_SET (pComponentPrivate->dataPipe[0], &rfds);
    135 
    136         tv.tv_sec = 1;
    137         tv.tv_nsec = 0;
    138 
    139 #ifndef UNDER_CE
    140         sigset_t set;
    141         sigemptyset (&set);
    142         sigaddset (&set, SIGALRM);
    143         status = pselect (fdmax+1, &rfds, NULL, NULL, &tv, &set);
    144 #else
    145         status = select (fdmax+1, &rfds, NULL, NULL, &tv);
    146 #endif
    147 
    148 
    149         if (pComponentPrivate->bExitCompThrd == 1) {
    150             OMX_ERROR4(pComponentPrivate->dbg, "%d :: Comp Thrd Exiting here...\n",__LINE__);
    151             goto EXIT;
    152         }
    153 
    154 
    155 
    156         if (0 == status) {
    157             OMX_ERROR2(pComponentPrivate->dbg, "\n\n\n!!!!!  Component Time Out !!!!!!!!!!!! \n");
    158         }
    159         else if (-1 == status) {
    160             OMX_ERROR4(pComponentPrivate->dbg, "%d :: Error in Select\n", __LINE__);
    161             pComponentPrivate->cbInfo.EventHandler (pHandle,
    162                                                     pHandle->pApplicationPrivate,
    163                                                     OMX_EventError,
    164                                                     OMX_ErrorInsufficientResources,
    165                                                     OMX_TI_ErrorSevere,
    166                                                     "Error from COmponent Thread in select");
    167             eError = OMX_ErrorInsufficientResources;
    168         }
    169         else if (FD_ISSET (pComponentPrivate->cmdPipe[0], &rfds)) {
    170             OMX_PRCOMM2(pComponentPrivate->dbg, "%d :: CMD pipe is set in Component Thread\n",__LINE__);
    171             nRet = AACDEC_HandleCommand (pComponentPrivate);
    172             if (nRet == EXIT_COMPONENT_THRD) {
    173                 OMX_PRINT1(pComponentPrivate->dbg, "Exiting from Component thread\n");
    174                 AACDEC_CleanupInitParams(pHandle);
    175                 OMX_PRSTATE2(pComponentPrivate->dbg, "******************* Component State Set to Loaded\n\n");
    176 
    177                 pComponentPrivate->curState = OMX_StateLoaded;
    178 #ifdef __PERF_INSTRUMENTATION__
    179                 PERF_Boundary(pComponentPrivate->pPERFcomp,PERF_BoundaryComplete | PERF_BoundaryCleanup);
    180 #endif
    181                 if(pComponentPrivate->bPreempted==0){
    182                     pComponentPrivate->cbInfo.EventHandler(
    183                                                            pHandle, pHandle->pApplicationPrivate,
    184                                                            OMX_EventCmdComplete,
    185                                                            OMX_ErrorNone,pComponentPrivate->curState, NULL);
    186                 } else {
    187                     OMX_ERROR4(pComponentPrivate->dbg, "OMX_EventError:: OMX_ErrorPortUnpopulated at CompThread line %d\n", __LINE__);
    188                     pComponentPrivate->cbInfo.EventHandler(pHandle,
    189                                                            pHandle->pApplicationPrivate,
    190                                                            OMX_EventError,
    191                                                            OMX_ErrorResourcesLost,
    192                                                            OMX_TI_ErrorMajor,
    193                                                            NULL);
    194                     pComponentPrivate->bPreempted = 0;
    195                 }
    196             }
    197         }
    198         else if ((FD_ISSET (pComponentPrivate->dataPipe[0], &rfds))) {
    199             int ret;
    200             OMX_BUFFERHEADERTYPE *pBufHeader = NULL;
    201 
    202             OMX_PRCOMM2(pComponentPrivate->dbg, "%d :: DATA pipe is set in Component Thread\n",__LINE__);
    203             ret = read(pComponentPrivate->dataPipe[0], &pBufHeader, sizeof(pBufHeader));
    204             if (ret == -1) {
    205                 OMX_ERROR2(pComponentPrivate->dbg, "%d :: Error while reading from the pipe\n",__LINE__);
    206             }
    207 
    208             eError = AACDEC_HandleDataBuf_FromApp (pBufHeader,pComponentPrivate);
    209             if (eError != OMX_ErrorNone) {
    210                 OMX_ERROR2(pComponentPrivate->dbg, "%d :: Error From HandleDataBuf_FromApp\n",__LINE__);
    211                 break;
    212             }
    213         }
    214     }
    215  EXIT:
    216 
    217     pComponentPrivate->bCompThreadStarted = 0;
    218 
    219 #ifdef __PERF_INSTRUMENTATION__
    220     PERF_Done(pComponentPrivate->pPERFcomp);
    221 #endif
    222     OMX_PRINT1(pComponentPrivate->dbg, "%d :: Exiting ComponentThread \n",__LINE__);
    223     return (void*)eError;
    224 }
    225