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_Mp3Dec_CompThread.c
30*
31* This file implements various utilitiy functions for various activities
32* like handling command from application, callback from LCML etc.
33*
34* @path  $(CSLPATH)\OMAPSW_MPU\linux\audio\src\openmax_il\mp3_dec\src
35*
36* @rev  1.0
37*/
38/* ----------------------------------------------------------------------------
39*!
40*! Revision History
41*! ===================================
42*! 21-sept-2006 bk: updated some review findings for alpha release
43*! 24-Aug-2006 bk: Khronos OpenMAX (TM) 1.0 Conformance tests some more
44*! 18-July-2006 bk: Khronos OpenMAX (TM) 1.0 Conformance tests validated for few cases
45*! This is newest file
46* =========================================================================== */
47/* ------compilation control switches -------------------------*/
48/****************************************************************
49*  INCLUDE FILES
50****************************************************************/
51/* ----- system and platform files ----------------------------*/
52
53
54
55#ifdef UNDER_CE
56#include <windows.h>
57#include <oaf_osal.h>
58#include <omx_core.h>
59#include <stdlib.h>
60#else
61#include <wchar.h>
62#include <unistd.h>
63#include <sys/types.h>
64#include <sys/wait.h>
65#include <sys/types.h>
66#include <sys/stat.h>
67#include <dlfcn.h>
68#include <sys/select.h>
69#include <memory.h>
70#include <fcntl.h>
71#include <signal.h>
72#endif
73
74#include <dbapi.h>
75#include <string.h>
76#include <stdio.h>
77
78#ifdef ANDROID
79#include <utils/threads.h>
80#include <sys/prctl.h>
81#endif
82
83#include "OMX_Mp3Dec_Utils.h"
84
85/* ================================================================================= * */
86/**
87* @fn MP3DEC_ComponentThread() This is component thread that keeps listening for
88* commands or event/messages/buffers from application or from LCML.
89*
90* @param pThreadData This is thread argument.
91*
92* @pre          None
93*
94* @post         None
95*
96*  @return      OMX_ErrorNone = Always
97*
98*  @see         None
99*/
100/* ================================================================================ * */
101void* MP3DEC_ComponentThread (void* pThreadData)
102{
103    int status;
104    struct timespec tv;
105    int fdmax;
106    fd_set rfds;
107    OMX_U32 nRet;
108    OMX_ERRORTYPE eError = OMX_ErrorNone;
109    MP3DEC_COMPONENT_PRIVATE* pComponentPrivate = (MP3DEC_COMPONENT_PRIVATE*)pThreadData;
110    OMX_COMPONENTTYPE *pHandle = pComponentPrivate->pHandle;
111
112#ifdef ANDROID
113    setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_AUDIO);
114    prctl(PR_SET_NAME, (unsigned long)"MP3Component", 0, 0, 0);
115#endif
116
117    OMX_PRINT1(pComponentPrivate->dbg, ":: Entering ComponentThread \n");
118
119#ifdef __PERF_INSTRUMENTATION__
120    pComponentPrivate->pPERFcomp = PERF_Create(PERF_FOURCC('M', 'P', '3',' '),
121                                               PERF_ModuleComponent |
122                                               PERF_ModuleAudioDecode);
123#endif
124
125    fdmax = pComponentPrivate->cmdPipe[0];
126
127    if (pComponentPrivate->dataPipe[0] > fdmax) {
128        fdmax = pComponentPrivate->dataPipe[0];
129    }
130
131    while (1) {
132        FD_ZERO (&rfds);
133        FD_SET (pComponentPrivate->cmdPipe[0], &rfds);
134        FD_SET (pComponentPrivate->dataPipe[0], &rfds);
135        tv.tv_sec = 1;
136        tv.tv_nsec = 0;
137
138#ifndef UNDER_CE
139        sigset_t set;
140        sigemptyset (&set);
141        sigaddset (&set, SIGALRM);
142        status = pselect (fdmax+1, &rfds, NULL, NULL, &tv, &set);
143#else
144        status = select (fdmax+1, &rfds, NULL, NULL, &tv);
145#endif
146
147        if (pComponentPrivate->bExitCompThrd == 1) {
148            OMX_PRINT1(pComponentPrivate->dbg, ":: Comp Thrd Exiting here...\n");
149            goto EXIT;
150        }
151
152
153
154        if (0 == status) {
155            OMX_PRSTATE2(pComponentPrivate->dbg, "\n\n\n!!!!!  Component Time Out !!!!!!!!!!!! \n");
156            OMX_PRSTATE2(pComponentPrivate->dbg, "Current State: %d \n", pComponentPrivate->curState);
157
158            OMX_PRDSP2(pComponentPrivate->dbg, "%d:: lcml_nCntOp = %lu\n",__LINE__,pComponentPrivate->lcml_nCntOp);
159            OMX_PRDSP2(pComponentPrivate->dbg, "%d : lcml_nCntIp = %lu\n",__LINE__,pComponentPrivate->lcml_nCntIp);
160            OMX_PRDSP2(pComponentPrivate->dbg, "%d : lcml_nCntIpRes = %lu\n",__LINE__,pComponentPrivate->lcml_nCntIpRes);
161            OMX_PRDSP2(pComponentPrivate->dbg, "%d :: lcml_nCntOpReceived = %lu\n",__LINE__,pComponentPrivate->lcml_nCntOpReceived);
162
163            if (pComponentPrivate->bExitCompThrd == 1) {
164                OMX_ERROR4(pComponentPrivate->dbg, ":: Comp Thrd Exiting here...\n");
165                goto EXIT;
166            }
167
168
169        } else if (-1 == status) {
170            OMX_ERROR4(pComponentPrivate->dbg, ":: Error in Select\n");
171            pComponentPrivate->cbInfo.EventHandler (pHandle,
172                                                    pHandle->pApplicationPrivate,
173                                                    OMX_EventError,
174                                                    OMX_ErrorInsufficientResources,
175                                                    OMX_TI_ErrorSevere,
176                                                    "Error from COmponent Thread in select");
177            eError = OMX_ErrorInsufficientResources;
178
179        } else if ((FD_ISSET (pComponentPrivate->dataPipe[0], &rfds))) {
180            int ret;
181            OMX_BUFFERHEADERTYPE *pBufHeader = NULL;
182
183            OMX_PRCOMM2(pComponentPrivate->dbg, ":: DATA pipe is set in Component Thread\n");
184            ret = read(pComponentPrivate->dataPipe[0], &pBufHeader, sizeof(pBufHeader));
185            if (ret == -1) {
186                OMX_ERROR2(pComponentPrivate->dbg, ":: Error while reading from the pipe\n");
187            }
188
189            eError = MP3DEC_HandleDataBuf_FromApp (pBufHeader,pComponentPrivate);
190            if (eError != OMX_ErrorNone) {
191                OMX_ERROR2(pComponentPrivate->dbg, ":: Error From HandleDataBuf_FromApp\n");
192                break;
193            }
194        } else if (FD_ISSET (pComponentPrivate->cmdPipe[0], &rfds)) {
195            OMX_PRCOMM2(pComponentPrivate->dbg, ":: CMD pipe is set in Component Thread\n");
196            nRet = MP3DEC_HandleCommand (pComponentPrivate);
197            if (nRet == EXIT_COMPONENT_THRD) {
198                OMX_PRDSP2(pComponentPrivate->dbg, "Exiting from Component thread\n");
199                MP3DEC_CleanupInitParams(pHandle);
200                OMX_PRSTATE2(pComponentPrivate->dbg, "****************** Component State Set to Loaded\n\n");
201
202                pComponentPrivate->curState = OMX_StateLoaded;
203#ifdef __PERF_INSTRUMENTATION__
204                PERF_Boundary(pComponentPrivate->pPERFcomp,PERF_BoundaryComplete | PERF_BoundaryCleanup);
205#endif
206                if(pComponentPrivate->bPreempted == 0){
207                    pComponentPrivate->cbInfo.EventHandler(pHandle, pHandle->pApplicationPrivate,
208                                                           OMX_EventCmdComplete,
209                                                           OMX_ErrorNone,pComponentPrivate->curState,
210                                                           NULL);
211                }else{
212                    pComponentPrivate->cbInfo.EventHandler(pHandle,
213                                                           pHandle->pApplicationPrivate,
214                                                           OMX_EventError,
215                                                           OMX_ErrorResourcesLost,
216                                                           OMX_TI_ErrorMajor,
217                                                           NULL);
218                    pComponentPrivate->bPreempted = 0;
219                }
220            }
221        }
222    }
223EXIT:
224
225    pComponentPrivate->bCompThreadStarted = 0;
226
227
228#ifdef __PERF_INSTRUMENTATION__
229    PERF_Done(pComponentPrivate->pPERFcomp);
230#endif
231
232    OMX_PRINT1(pComponentPrivate->dbg, ":: Exiting ComponentThread \n");
233    return (void*)eError;
234}
235