componentbase.cpp revision d438ab4e1c4dde0b5e0aa7c44186137b2d2adaa5 
1/*
2 * componentbase.cpp, component base class
3 *
4 * Copyright (c) 2009-2010 Wind River Systems, Inc.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19#include <stdlib.h>
20#include <string.h>
21
22#include <pthread.h>
23
24#include <OMX_Core.h>
25#include <OMX_Component.h>
26
27#include <componentbase.h>
28
29#include <queue.h>
30#include <workqueue.h>
31#include <OMX_IndexExt.h>
32
33//#define LOG_NDEBUG 0
34
35#define LOG_TAG "componentbase"
36#include <log.h>
37
38/*
39 * CmdProcessWork
40 */
41CmdProcessWork::CmdProcessWork(CmdHandlerInterface *ci)
42{
43    this->ci = ci;
44
45    workq = new WorkQueue;
46
47    __queue_init(&q);
48    pthread_mutex_init(&lock, NULL);
49
50    workq->StartWork(true);
51
52    LOGV("command process workqueue started\n");
53}
54
55CmdProcessWork::~CmdProcessWork()
56{
57    struct cmd_s *temp;
58
59    workq->StopWork();
60    delete workq;
61
62    while ((temp = PopCmdQueue()))
63        free(temp);
64
65    pthread_mutex_destroy(&lock);
66
67    LOGV("command process workqueue stopped\n");
68}
69
70OMX_ERRORTYPE CmdProcessWork::PushCmdQueue(struct cmd_s *cmd)
71{
72    int ret;
73
74    pthread_mutex_lock(&lock);
75    ret = queue_push_tail(&q, cmd);
76    if (ret) {
77        pthread_mutex_unlock(&lock);
78        return OMX_ErrorInsufficientResources;
79    }
80
81    workq->ScheduleWork(this);
82    pthread_mutex_unlock(&lock);
83
84    return OMX_ErrorNone;
85}
86
87struct cmd_s *CmdProcessWork::PopCmdQueue(void)
88{
89    struct cmd_s *cmd;
90
91    pthread_mutex_lock(&lock);
92    cmd = (struct cmd_s *)queue_pop_head(&q);
93    pthread_mutex_unlock(&lock);
94
95    return cmd;
96}
97
98void CmdProcessWork::Work(void)
99{
100    struct cmd_s *cmd;
101
102    cmd = PopCmdQueue();
103    if (cmd) {
104        ci->CmdHandler(cmd);
105        free(cmd);
106    }
107}
108
109/* end of CmdProcessWork */
110
111/*
112 * ComponentBase
113 */
114/*
115 * constructor & destructor
116 */
117void ComponentBase::__ComponentBase(void)
118{
119    memset(name, 0, OMX_MAX_STRINGNAME_SIZE);
120    cmodule = NULL;
121    handle = NULL;
122
123    roles = NULL;
124    nr_roles = 0;
125
126    working_role = NULL;
127
128    ports = NULL;
129    nr_ports = 0;
130    memset(&portparam, 0, sizeof(portparam));
131
132    state = OMX_StateUnloaded;
133
134    cmdwork = NULL;
135
136    bufferwork = NULL;
137
138    pthread_mutex_init(&ports_block, NULL);
139    pthread_mutex_init(&state_block, NULL);
140}
141
142ComponentBase::ComponentBase()
143{
144    __ComponentBase();
145}
146
147ComponentBase::ComponentBase(const OMX_STRING name)
148{
149    __ComponentBase();
150    SetName(name);
151}
152
153ComponentBase::~ComponentBase()
154{
155    pthread_mutex_destroy(&ports_block);
156    pthread_mutex_destroy(&state_block);
157
158    if (roles) {
159        if (roles[0])
160            free(roles[0]);
161        free(roles);
162    }
163}
164
165/* end of constructor & destructor */
166
167/*
168 * accessor
169 */
170/* name */
171void ComponentBase::SetName(const OMX_STRING name)
172{
173    strncpy(this->name, name, (strlen(name) < OMX_MAX_STRINGNAME_SIZE) ? strlen(name) : (OMX_MAX_STRINGNAME_SIZE-1));
174   // strncpy(this->name, name, OMX_MAX_STRINGNAME_SIZE);
175    this->name[OMX_MAX_STRINGNAME_SIZE-1] = '\0';
176}
177
178const OMX_STRING ComponentBase::GetName(void)
179{
180    return name;
181}
182
183/* component module */
184void ComponentBase::SetCModule(CModule *cmodule)
185{
186    this->cmodule = cmodule;
187}
188
189CModule *ComponentBase::GetCModule(void)
190{
191    return cmodule;
192}
193
194/* end of accessor */
195
196/*
197 * core methods & helpers
198 */
199/* roles */
200OMX_ERRORTYPE ComponentBase::SetRolesOfComponent(OMX_U32 nr_roles,
201                                                 const OMX_U8 **roles)
202{
203    OMX_U32 i;
204
205    if (!roles || !nr_roles)
206        return OMX_ErrorBadParameter;
207
208    if (this->roles) {
209        free(this->roles[0]);
210        free(this->roles);
211        this->roles = NULL;
212    }
213
214    this->roles = (OMX_U8 **)malloc(sizeof(OMX_STRING) * nr_roles);
215    if (!this->roles)
216        return OMX_ErrorInsufficientResources;
217
218    this->roles[0] = (OMX_U8 *)malloc(OMX_MAX_STRINGNAME_SIZE * nr_roles);
219    if (!this->roles[0]) {
220        free(this->roles);
221        this->roles = NULL;
222        return OMX_ErrorInsufficientResources;
223    }
224
225    for (i = 0; i < nr_roles; i++) {
226        if (i < nr_roles-1)
227            this->roles[i+1] = this->roles[i] + OMX_MAX_STRINGNAME_SIZE;
228
229        strncpy((OMX_STRING)&this->roles[i][0],
230                (const OMX_STRING)&roles[i][0], OMX_MAX_STRINGNAME_SIZE);
231    }
232
233    this->nr_roles = nr_roles;
234    return OMX_ErrorNone;
235}
236
237/* GetHandle & FreeHandle */
238OMX_ERRORTYPE ComponentBase::GetHandle(OMX_HANDLETYPE *pHandle,
239                                       OMX_PTR pAppData,
240                                       OMX_CALLBACKTYPE *pCallBacks)
241{
242    OMX_U32 i;
243    OMX_ERRORTYPE ret;
244
245    if (!pHandle)
246        return OMX_ErrorBadParameter;
247
248    if (handle)
249        return OMX_ErrorUndefined;
250
251    cmdwork = new CmdProcessWork(this);
252    if (!cmdwork)
253        return OMX_ErrorInsufficientResources;
254
255    bufferwork = new WorkQueue();
256    if (!bufferwork) {
257        ret = OMX_ErrorInsufficientResources;
258        goto free_cmdwork;
259    }
260
261    handle = (OMX_COMPONENTTYPE *)calloc(1, sizeof(*handle));
262    if (!handle) {
263        ret = OMX_ErrorInsufficientResources;
264        goto free_bufferwork;
265    }
266
267    /* handle initialization */
268    SetTypeHeader(handle, sizeof(*handle));
269    handle->pComponentPrivate = static_cast<OMX_PTR>(this);
270    handle->pApplicationPrivate = pAppData;
271
272    /* connect handle's functions */
273    handle->GetComponentVersion = NULL;
274    handle->SendCommand = SendCommand;
275    handle->GetParameter = GetParameter;
276    handle->SetParameter = SetParameter;
277    handle->GetConfig = GetConfig;
278    handle->SetConfig = SetConfig;
279    handle->GetExtensionIndex = GetExtensionIndex;
280    handle->GetState = GetState;
281    handle->ComponentTunnelRequest = NULL;
282    handle->UseBuffer = UseBuffer;
283    handle->AllocateBuffer = AllocateBuffer;
284    handle->FreeBuffer = FreeBuffer;
285    handle->EmptyThisBuffer = EmptyThisBuffer;
286    handle->FillThisBuffer = FillThisBuffer;
287    handle->SetCallbacks = SetCallbacks;
288    handle->ComponentDeInit = NULL;
289    handle->UseEGLImage = NULL;
290    handle->ComponentRoleEnum = ComponentRoleEnum;
291
292    appdata = pAppData;
293    callbacks = pCallBacks;
294
295    if (nr_roles == 1) {
296        SetWorkingRole((OMX_STRING)&roles[0][0]);
297        ret = ApplyWorkingRole();
298        if (ret != OMX_ErrorNone) {
299            SetWorkingRole(NULL);
300            goto free_handle;
301        }
302    }
303
304    *pHandle = (OMX_HANDLETYPE *)handle;
305    state = OMX_StateLoaded;
306    return OMX_ErrorNone;
307
308free_handle:
309    free(handle);
310
311    appdata = NULL;
312    callbacks = NULL;
313    *pHandle = NULL;
314
315free_bufferwork:
316    delete bufferwork;
317
318free_cmdwork:
319    delete cmdwork;
320
321    return ret;
322}
323
324OMX_ERRORTYPE ComponentBase::FreeHandle(OMX_HANDLETYPE hComponent)
325{
326    OMX_ERRORTYPE ret;
327
328    if (hComponent != handle)
329        return OMX_ErrorBadParameter;
330
331    if (state != OMX_StateLoaded)
332        return OMX_ErrorIncorrectStateOperation;
333
334    FreePorts();
335
336    free(handle);
337
338    appdata = NULL;
339    callbacks = NULL;
340
341    delete cmdwork;
342    delete bufferwork;
343
344    state = OMX_StateUnloaded;
345    return OMX_ErrorNone;
346}
347
348/* end of core methods & helpers */
349
350/*
351 * component methods & helpers
352 */
353OMX_ERRORTYPE ComponentBase::SendCommand(
354    OMX_IN  OMX_HANDLETYPE hComponent,
355    OMX_IN  OMX_COMMANDTYPE Cmd,
356    OMX_IN  OMX_U32 nParam1,
357    OMX_IN  OMX_PTR pCmdData)
358{
359    ComponentBase *cbase;
360
361    if (!hComponent)
362        return OMX_ErrorBadParameter;
363
364    cbase = static_cast<ComponentBase *>
365        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
366    if (!cbase)
367        return OMX_ErrorBadParameter;
368
369    return cbase->CBaseSendCommand(hComponent, Cmd, nParam1, pCmdData);
370}
371
372OMX_ERRORTYPE ComponentBase::CBaseSendCommand(
373    OMX_IN  OMX_HANDLETYPE hComponent,
374    OMX_IN  OMX_COMMANDTYPE Cmd,
375    OMX_IN  OMX_U32 nParam1,
376    OMX_IN  OMX_PTR pCmdData)
377{
378    struct cmd_s *cmd;
379
380    if (hComponent != handle)
381        return OMX_ErrorInvalidComponent;
382
383    /* basic error check */
384    switch (Cmd) {
385    case OMX_CommandStateSet:
386        /*
387         * Todo
388         */
389        break;
390    case OMX_CommandFlush: {
391        OMX_U32 port_index = nParam1;
392
393        if ((port_index != OMX_ALL) && (port_index > nr_ports-1))
394            return OMX_ErrorBadPortIndex;
395        break;
396    }
397    case OMX_CommandPortDisable:
398    case OMX_CommandPortEnable: {
399        OMX_U32 port_index = nParam1;
400
401        if ((port_index != OMX_ALL) && (port_index > nr_ports-1))
402            return OMX_ErrorBadPortIndex;
403        break;
404    }
405    case OMX_CommandMarkBuffer: {
406        OMX_MARKTYPE *mark = (OMX_MARKTYPE *)pCmdData;
407        OMX_MARKTYPE *copiedmark;
408        OMX_U32 port_index = nParam1;
409
410        if (port_index > nr_ports-1)
411            return OMX_ErrorBadPortIndex;
412
413        if (!mark || !mark->hMarkTargetComponent)
414            return OMX_ErrorBadParameter;
415
416        copiedmark = (OMX_MARKTYPE *)malloc(sizeof(*copiedmark));
417        if (!copiedmark)
418            return OMX_ErrorInsufficientResources;
419
420        copiedmark->hMarkTargetComponent = mark->hMarkTargetComponent;
421        copiedmark->pMarkData = mark->pMarkData;
422        pCmdData = (OMX_PTR)copiedmark;
423        break;
424    }
425    default:
426        LOGE("command %d not supported\n", Cmd);
427        return OMX_ErrorUnsupportedIndex;
428    }
429
430    cmd = (struct cmd_s *)malloc(sizeof(*cmd));
431    if (!cmd)
432        return OMX_ErrorInsufficientResources;
433
434    cmd->cmd = Cmd;
435    cmd->param1 = nParam1;
436    cmd->cmddata = pCmdData;
437
438    return cmdwork->PushCmdQueue(cmd);
439}
440
441OMX_ERRORTYPE ComponentBase::GetParameter(
442    OMX_IN  OMX_HANDLETYPE hComponent,
443    OMX_IN  OMX_INDEXTYPE nParamIndex,
444    OMX_INOUT OMX_PTR pComponentParameterStructure)
445{
446    ComponentBase *cbase;
447
448    if (!hComponent)
449        return OMX_ErrorBadParameter;
450
451    cbase = static_cast<ComponentBase *>
452        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
453    if (!cbase)
454        return OMX_ErrorBadParameter;
455
456    return cbase->CBaseGetParameter(hComponent, nParamIndex,
457                                    pComponentParameterStructure);
458}
459
460OMX_ERRORTYPE ComponentBase::CBaseGetParameter(
461    OMX_IN  OMX_HANDLETYPE hComponent,
462    OMX_IN  OMX_INDEXTYPE nParamIndex,
463    OMX_INOUT OMX_PTR pComponentParameterStructure)
464{
465    OMX_ERRORTYPE ret = OMX_ErrorNone;
466
467    if (hComponent != handle)
468        return OMX_ErrorBadParameter;
469
470    switch (nParamIndex) {
471    case OMX_IndexParamAudioInit:
472    case OMX_IndexParamVideoInit:
473    case OMX_IndexParamImageInit:
474    case OMX_IndexParamOtherInit: {
475        OMX_PORT_PARAM_TYPE *p =
476            (OMX_PORT_PARAM_TYPE *)pComponentParameterStructure;
477
478        ret = CheckTypeHeader(p, sizeof(*p));
479        if (ret != OMX_ErrorNone)
480            return ret;
481
482        memcpy(p, &portparam, sizeof(*p));
483        break;
484    }
485    case OMX_IndexParamPortDefinition: {
486        OMX_PARAM_PORTDEFINITIONTYPE *p =
487            (OMX_PARAM_PORTDEFINITIONTYPE *)pComponentParameterStructure;
488        OMX_U32 index = p->nPortIndex;
489        PortBase *port = NULL;
490
491        ret = CheckTypeHeader(p, sizeof(*p));
492        if (ret != OMX_ErrorNone)
493            return ret;
494
495        if (index < nr_ports)
496            port = ports[index];
497
498        if (!port)
499            return OMX_ErrorBadPortIndex;
500
501        memcpy(p, port->GetPortDefinition(), sizeof(*p));
502        break;
503    }
504    case OMX_IndexParamCompBufferSupplier:
505        /*
506         * Todo
507         */
508
509        ret = OMX_ErrorUnsupportedIndex;
510        break;
511
512    default:
513        ret = ComponentGetParameter(nParamIndex, pComponentParameterStructure);
514    } /* switch */
515
516    return ret;
517}
518
519OMX_ERRORTYPE ComponentBase::SetParameter(
520    OMX_IN  OMX_HANDLETYPE hComponent,
521    OMX_IN  OMX_INDEXTYPE nIndex,
522    OMX_IN  OMX_PTR pComponentParameterStructure)
523{
524    ComponentBase *cbase;
525
526    if (!hComponent)
527        return OMX_ErrorBadParameter;
528
529    cbase = static_cast<ComponentBase *>
530        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
531    if (!cbase)
532        return OMX_ErrorBadParameter;
533
534    return cbase->CBaseSetParameter(hComponent, nIndex,
535                                    pComponentParameterStructure);
536}
537
538OMX_ERRORTYPE ComponentBase::CBaseSetParameter(
539    OMX_IN  OMX_HANDLETYPE hComponent,
540    OMX_IN  OMX_INDEXTYPE nIndex,
541    OMX_IN  OMX_PTR pComponentParameterStructure)
542{
543    OMX_ERRORTYPE ret = OMX_ErrorNone;
544
545    if (hComponent != handle)
546        return OMX_ErrorBadParameter;
547
548    switch (nIndex) {
549    case OMX_IndexParamAudioInit:
550    case OMX_IndexParamVideoInit:
551    case OMX_IndexParamImageInit:
552    case OMX_IndexParamOtherInit:
553        /* preventing clients from setting OMX_PORT_PARAM_TYPE */
554        ret = OMX_ErrorUnsupportedIndex;
555        break;
556    case OMX_IndexParamPortDefinition: {
557        OMX_PARAM_PORTDEFINITIONTYPE *p =
558            (OMX_PARAM_PORTDEFINITIONTYPE *)pComponentParameterStructure;
559        OMX_U32 index = p->nPortIndex;
560        PortBase *port = NULL;
561
562        ret = CheckTypeHeader(p, sizeof(*p));
563        if (ret != OMX_ErrorNone)
564            return ret;
565
566        if (index < nr_ports)
567            port = ports[index];
568
569        if (!port)
570            return OMX_ErrorBadPortIndex;
571
572        if (port->IsEnabled()) {
573            if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
574                return OMX_ErrorIncorrectStateOperation;
575        }
576
577        ret = port->SetPortDefinition(p, false);
578        if (ret != OMX_ErrorNone) {
579            return ret;
580        }
581        break;
582    }
583    case OMX_IndexParamCompBufferSupplier:
584        /*
585         * Todo
586         */
587
588        ret = OMX_ErrorUnsupportedIndex;
589        break;
590    case OMX_IndexParamStandardComponentRole: {
591        OMX_PARAM_COMPONENTROLETYPE *p =
592            (OMX_PARAM_COMPONENTROLETYPE *)pComponentParameterStructure;
593
594        if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
595            return OMX_ErrorIncorrectStateOperation;
596
597        ret = CheckTypeHeader(p, sizeof(*p));
598        if (ret != OMX_ErrorNone)
599            return ret;
600
601        ret = SetWorkingRole((OMX_STRING)p->cRole);
602        if (ret != OMX_ErrorNone)
603            return ret;
604
605        if (ports)
606            FreePorts();
607
608        ret = ApplyWorkingRole();
609        if (ret != OMX_ErrorNone) {
610            SetWorkingRole(NULL);
611            return ret;
612        }
613        break;
614    }
615
616    default:
617        ret = ComponentSetParameter(nIndex, pComponentParameterStructure);
618    } /* switch */
619
620    return ret;
621}
622
623OMX_ERRORTYPE ComponentBase::GetConfig(
624    OMX_IN  OMX_HANDLETYPE hComponent,
625    OMX_IN  OMX_INDEXTYPE nIndex,
626    OMX_INOUT OMX_PTR pComponentConfigStructure)
627{
628    ComponentBase *cbase;
629
630    if (!hComponent)
631        return OMX_ErrorBadParameter;
632
633    cbase = static_cast<ComponentBase *>
634        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
635    if (!cbase)
636        return OMX_ErrorBadParameter;
637
638    return cbase->CBaseGetConfig(hComponent, nIndex,
639                                 pComponentConfigStructure);
640}
641
642OMX_ERRORTYPE ComponentBase::CBaseGetConfig(
643    OMX_IN  OMX_HANDLETYPE hComponent,
644    OMX_IN  OMX_INDEXTYPE nIndex,
645    OMX_INOUT OMX_PTR pComponentConfigStructure)
646{
647    OMX_ERRORTYPE ret;
648
649    if (hComponent != handle)
650        return OMX_ErrorBadParameter;
651
652    switch (nIndex) {
653    default:
654        ret = ComponentGetConfig(nIndex, pComponentConfigStructure);
655    }
656
657    return ret;
658}
659
660OMX_ERRORTYPE ComponentBase::SetConfig(
661    OMX_IN  OMX_HANDLETYPE hComponent,
662    OMX_IN  OMX_INDEXTYPE nIndex,
663    OMX_IN  OMX_PTR pComponentConfigStructure)
664{
665    ComponentBase *cbase;
666
667    if (!hComponent)
668        return OMX_ErrorBadParameter;
669
670    cbase = static_cast<ComponentBase *>
671        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
672    if (!cbase)
673        return OMX_ErrorBadParameter;
674
675    return cbase->CBaseSetConfig(hComponent, nIndex,
676                                 pComponentConfigStructure);
677}
678
679OMX_ERRORTYPE ComponentBase::CBaseSetConfig(
680    OMX_IN  OMX_HANDLETYPE hComponent,
681    OMX_IN  OMX_INDEXTYPE nIndex,
682    OMX_IN  OMX_PTR pComponentConfigStructure)
683{
684    OMX_ERRORTYPE ret;
685
686    if (hComponent != handle)
687        return OMX_ErrorBadParameter;
688
689    switch (nIndex) {
690    default:
691        ret = ComponentSetConfig(nIndex, pComponentConfigStructure);
692    }
693
694    return ret;
695}
696
697OMX_ERRORTYPE ComponentBase::GetExtensionIndex(
698    OMX_IN  OMX_HANDLETYPE hComponent,
699    OMX_IN  OMX_STRING cParameterName,
700    OMX_OUT OMX_INDEXTYPE* pIndexType)
701{
702    ComponentBase *cbase;
703
704    if (!hComponent)
705        return OMX_ErrorBadParameter;
706
707    cbase = static_cast<ComponentBase *>
708        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
709    if (!cbase)
710        return OMX_ErrorBadParameter;
711
712    return cbase->CBaseGetExtensionIndex(hComponent, cParameterName,
713                                         pIndexType);
714}
715
716OMX_ERRORTYPE ComponentBase::CBaseGetExtensionIndex(
717    OMX_IN  OMX_HANDLETYPE hComponent,
718    OMX_IN  OMX_STRING cParameterName,
719    OMX_OUT OMX_INDEXTYPE* pIndexType)
720{
721    /*
722     * Todo
723     */
724    if (hComponent != handle) {
725
726        return OMX_ErrorBadParameter;
727    }
728
729    if (!strcmp(cParameterName, "OMX.google.android.index.storeMetaDataInBuffers")) {
730        *pIndexType = static_cast<OMX_INDEXTYPE>(OMX_IndexStoreMetaDataInBuffers);
731        return OMX_ErrorNone;
732    }
733
734    if (!strcmp(cParameterName, "OMX.google.android.index.enableAndroidNativeBuffers")) {
735        *pIndexType = static_cast<OMX_INDEXTYPE>(OMX_IndexExtEnableNativeBuffer);
736        return OMX_ErrorNone;
737    }
738
739    if (!strcmp(cParameterName, "OMX.google.android.index.getAndroidNativeBufferUsage")) {
740        *pIndexType = static_cast<OMX_INDEXTYPE>(OMX_IndexExtGetNativeBufferUsage);
741        return OMX_ErrorNone;
742    }
743
744    if (!strcmp(cParameterName, "OMX.google.android.index.useAndroidNativeBuffer")) {
745        *pIndexType = static_cast<OMX_INDEXTYPE>(OMX_IndexExtUseNativeBuffer);
746        return OMX_ErrorNone;
747    }
748    if (!strcmp(cParameterName, "OMX.Intel.index.rotation")) {
749        *pIndexType = static_cast<OMX_INDEXTYPE>(OMX_IndexExtRotationDegrees);
750        return OMX_ErrorNone;
751    }
752
753    return OMX_ErrorUnsupportedIndex;
754}
755
756OMX_ERRORTYPE ComponentBase::GetState(
757    OMX_IN  OMX_HANDLETYPE hComponent,
758    OMX_OUT OMX_STATETYPE* pState)
759{
760    ComponentBase *cbase;
761
762    if (!hComponent)
763        return OMX_ErrorBadParameter;
764
765    cbase = static_cast<ComponentBase *>
766        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
767    if (!cbase)
768        return OMX_ErrorBadParameter;
769
770    return cbase->CBaseGetState(hComponent, pState);
771}
772
773OMX_ERRORTYPE ComponentBase::CBaseGetState(
774    OMX_IN  OMX_HANDLETYPE hComponent,
775    OMX_OUT OMX_STATETYPE* pState)
776{
777    if (hComponent != handle)
778        return OMX_ErrorBadParameter;
779
780    pthread_mutex_lock(&state_block);
781    *pState = state;
782    pthread_mutex_unlock(&state_block);
783    return OMX_ErrorNone;
784}
785OMX_ERRORTYPE ComponentBase::UseBuffer(
786    OMX_IN OMX_HANDLETYPE hComponent,
787    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBufferHdr,
788    OMX_IN OMX_U32 nPortIndex,
789    OMX_IN OMX_PTR pAppPrivate,
790    OMX_IN OMX_U32 nSizeBytes,
791    OMX_IN OMX_U8 *pBuffer)
792{
793    ComponentBase *cbase;
794
795    if (!hComponent)
796        return OMX_ErrorBadParameter;
797
798    cbase = static_cast<ComponentBase *>
799        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
800    if (!cbase)
801        return OMX_ErrorBadParameter;
802
803    return cbase->CBaseUseBuffer(hComponent, ppBufferHdr, nPortIndex,
804                                 pAppPrivate, nSizeBytes, pBuffer);
805}
806
807OMX_ERRORTYPE ComponentBase::CBaseUseBuffer(
808    OMX_IN OMX_HANDLETYPE hComponent,
809    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBufferHdr,
810    OMX_IN OMX_U32 nPortIndex,
811    OMX_IN OMX_PTR pAppPrivate,
812    OMX_IN OMX_U32 nSizeBytes,
813    OMX_IN OMX_U8 *pBuffer)
814{
815    PortBase *port = NULL;
816    OMX_ERRORTYPE ret;
817
818    if (hComponent != handle)
819        return OMX_ErrorBadParameter;
820
821    if (!ppBufferHdr)
822        return OMX_ErrorBadParameter;
823    *ppBufferHdr = NULL;
824
825    if (!pBuffer)
826        return OMX_ErrorBadParameter;
827
828    if (ports)
829        if (nPortIndex < nr_ports)
830            port = ports[nPortIndex];
831
832    if (!port)
833        return OMX_ErrorBadParameter;
834
835    if (port->IsEnabled()) {
836        if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
837            return OMX_ErrorIncorrectStateOperation;
838    }
839
840    return port->UseBuffer(ppBufferHdr, nPortIndex, pAppPrivate, nSizeBytes,
841                           pBuffer);
842}
843
844OMX_ERRORTYPE ComponentBase::AllocateBuffer(
845    OMX_IN OMX_HANDLETYPE hComponent,
846    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBuffer,
847    OMX_IN OMX_U32 nPortIndex,
848    OMX_IN OMX_PTR pAppPrivate,
849    OMX_IN OMX_U32 nSizeBytes)
850{
851    ComponentBase *cbase;
852
853    if (!hComponent)
854        return OMX_ErrorBadParameter;
855
856    cbase = static_cast<ComponentBase *>
857        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
858    if (!cbase)
859        return OMX_ErrorBadParameter;
860
861    return cbase->CBaseAllocateBuffer(hComponent, ppBuffer, nPortIndex,
862                                      pAppPrivate, nSizeBytes);
863}
864
865OMX_ERRORTYPE ComponentBase::CBaseAllocateBuffer(
866    OMX_IN OMX_HANDLETYPE hComponent,
867    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBuffer,
868    OMX_IN OMX_U32 nPortIndex,
869    OMX_IN OMX_PTR pAppPrivate,
870    OMX_IN OMX_U32 nSizeBytes)
871{
872    PortBase *port = NULL;
873    OMX_ERRORTYPE ret;
874
875    if (hComponent != handle)
876        return OMX_ErrorBadParameter;
877
878    if (!ppBuffer)
879        return OMX_ErrorBadParameter;
880    *ppBuffer = NULL;
881
882    if (ports)
883        if (nPortIndex < nr_ports)
884            port = ports[nPortIndex];
885
886    if (!port)
887        return OMX_ErrorBadParameter;
888
889    if (port->IsEnabled()) {
890        if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
891            return OMX_ErrorIncorrectStateOperation;
892    }
893
894    return port->AllocateBuffer(ppBuffer, nPortIndex, pAppPrivate, nSizeBytes);
895}
896
897OMX_ERRORTYPE ComponentBase::FreeBuffer(
898    OMX_IN  OMX_HANDLETYPE hComponent,
899    OMX_IN  OMX_U32 nPortIndex,
900    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
901{
902    ComponentBase *cbase;
903
904    if (!hComponent)
905        return OMX_ErrorBadParameter;
906
907    cbase = static_cast<ComponentBase *>
908        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
909    if (!cbase)
910        return OMX_ErrorBadParameter;
911
912    return cbase->CBaseFreeBuffer(hComponent, nPortIndex, pBuffer);
913}
914
915OMX_ERRORTYPE ComponentBase::CBaseFreeBuffer(
916    OMX_IN  OMX_HANDLETYPE hComponent,
917    OMX_IN  OMX_U32 nPortIndex,
918    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
919{
920    PortBase *port = NULL;
921    OMX_ERRORTYPE ret;
922
923    if (hComponent != handle)
924        return OMX_ErrorBadParameter;
925
926    if (!pBuffer)
927        return OMX_ErrorBadParameter;
928
929    if (ports)
930        if (nPortIndex < nr_ports)
931            port = ports[nPortIndex];
932
933    if (!port)
934        return OMX_ErrorBadParameter;
935
936    ProcessorPreFreeBuffer(nPortIndex, pBuffer);
937
938    return port->FreeBuffer(nPortIndex, pBuffer);
939}
940
941OMX_ERRORTYPE ComponentBase::EmptyThisBuffer(
942    OMX_IN  OMX_HANDLETYPE hComponent,
943    OMX_IN  OMX_BUFFERHEADERTYPE* pBuffer)
944{
945    ComponentBase *cbase;
946
947    if (!hComponent)
948        return OMX_ErrorBadParameter;
949
950    cbase = static_cast<ComponentBase *>
951        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
952    if (!cbase)
953        return OMX_ErrorBadParameter;
954
955    return cbase->CBaseEmptyThisBuffer(hComponent, pBuffer);
956}
957
958OMX_ERRORTYPE ComponentBase::CBaseEmptyThisBuffer(
959    OMX_IN  OMX_HANDLETYPE hComponent,
960    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
961{
962    PortBase *port = NULL;
963    OMX_U32 port_index;
964    OMX_ERRORTYPE ret;
965
966    if ((hComponent != handle) || !pBuffer)
967        return OMX_ErrorBadParameter;
968
969    ret = CheckTypeHeader(pBuffer, sizeof(OMX_BUFFERHEADERTYPE));
970    if (ret != OMX_ErrorNone)
971        return ret;
972
973    port_index = pBuffer->nInputPortIndex;
974    if (port_index == (OMX_U32)-1)
975        return OMX_ErrorBadParameter;
976
977    if (ports)
978        if (port_index < nr_ports)
979            port = ports[port_index];
980
981    if (!port)
982        return OMX_ErrorBadParameter;
983
984    if (pBuffer->pInputPortPrivate != port)
985        return OMX_ErrorBadParameter;
986
987    if (port->IsEnabled()) {
988        if (state != OMX_StateIdle && state != OMX_StateExecuting &&
989            state != OMX_StatePause)
990            return OMX_ErrorIncorrectStateOperation;
991    }
992
993    if (!pBuffer->hMarkTargetComponent) {
994        OMX_MARKTYPE *mark;
995
996        mark = port->PopMark();
997        if (mark) {
998            pBuffer->hMarkTargetComponent = mark->hMarkTargetComponent;
999            pBuffer->pMarkData = mark->pMarkData;
1000            free(mark);
1001        }
1002    }
1003
1004    ProcessorPreEmptyBuffer(pBuffer);
1005
1006    ret = port->PushThisBuffer(pBuffer);
1007    if (ret == OMX_ErrorNone)
1008        bufferwork->ScheduleWork(this);
1009
1010    return ret;
1011}
1012
1013OMX_ERRORTYPE ComponentBase::FillThisBuffer(
1014    OMX_IN  OMX_HANDLETYPE hComponent,
1015    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
1016{
1017    ComponentBase *cbase;
1018
1019    if (!hComponent)
1020        return OMX_ErrorBadParameter;
1021
1022    cbase = static_cast<ComponentBase *>
1023        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1024    if (!cbase)
1025        return OMX_ErrorBadParameter;
1026
1027    return cbase->CBaseFillThisBuffer(hComponent, pBuffer);
1028}
1029
1030OMX_ERRORTYPE ComponentBase::CBaseFillThisBuffer(
1031    OMX_IN  OMX_HANDLETYPE hComponent,
1032    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
1033{
1034    PortBase *port = NULL;
1035    OMX_U32 port_index;
1036    OMX_ERRORTYPE ret;
1037
1038    if ((hComponent != handle) || !pBuffer)
1039        return OMX_ErrorBadParameter;
1040
1041    ret = CheckTypeHeader(pBuffer, sizeof(OMX_BUFFERHEADERTYPE));
1042    if (ret != OMX_ErrorNone)
1043        return ret;
1044
1045    port_index = pBuffer->nOutputPortIndex;
1046    if (port_index == (OMX_U32)-1)
1047        return OMX_ErrorBadParameter;
1048
1049    if (ports)
1050        if (port_index < nr_ports)
1051            port = ports[port_index];
1052
1053    if (!port)
1054        return OMX_ErrorBadParameter;
1055
1056    if (pBuffer->pOutputPortPrivate != port)
1057        return OMX_ErrorBadParameter;
1058
1059    if (port->IsEnabled()) {
1060        if (state != OMX_StateIdle && state != OMX_StateExecuting &&
1061            state != OMX_StatePause)
1062            return OMX_ErrorIncorrectStateOperation;
1063    }
1064
1065    ProcessorPreFillBuffer(pBuffer);
1066
1067    ret = port->PushThisBuffer(pBuffer);
1068    if (ret == OMX_ErrorNone)
1069        bufferwork->ScheduleWork(this);
1070
1071    return ret;
1072}
1073
1074OMX_ERRORTYPE ComponentBase::SetCallbacks(
1075    OMX_IN  OMX_HANDLETYPE hComponent,
1076    OMX_IN  OMX_CALLBACKTYPE* pCallbacks,
1077    OMX_IN  OMX_PTR pAppData)
1078{
1079    ComponentBase *cbase;
1080
1081    if (!hComponent)
1082        return OMX_ErrorBadParameter;
1083
1084    cbase = static_cast<ComponentBase *>
1085        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1086    if (!cbase)
1087        return OMX_ErrorBadParameter;
1088
1089    return cbase->CBaseSetCallbacks(hComponent, pCallbacks, pAppData);
1090}
1091
1092OMX_ERRORTYPE ComponentBase::CBaseSetCallbacks(
1093    OMX_IN  OMX_HANDLETYPE hComponent,
1094    OMX_IN  OMX_CALLBACKTYPE *pCallbacks,
1095    OMX_IN  OMX_PTR pAppData)
1096{
1097    if (hComponent != handle)
1098        return OMX_ErrorBadParameter;
1099
1100    appdata = pAppData;
1101    callbacks = pCallbacks;
1102
1103    return OMX_ErrorNone;
1104}
1105
1106OMX_ERRORTYPE ComponentBase::ComponentRoleEnum(
1107    OMX_IN OMX_HANDLETYPE hComponent,
1108    OMX_OUT OMX_U8 *cRole,
1109    OMX_IN OMX_U32 nIndex)
1110{
1111    ComponentBase *cbase;
1112
1113    if (!hComponent)
1114        return OMX_ErrorBadParameter;
1115
1116    cbase = static_cast<ComponentBase *>
1117        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1118    if (!cbase)
1119        return OMX_ErrorBadParameter;
1120
1121    return cbase->CBaseComponentRoleEnum(hComponent, cRole, nIndex);
1122}
1123
1124OMX_ERRORTYPE ComponentBase::CBaseComponentRoleEnum(
1125    OMX_IN OMX_HANDLETYPE hComponent,
1126    OMX_OUT OMX_U8 *cRole,
1127    OMX_IN OMX_U32 nIndex)
1128{
1129    if (hComponent != (OMX_HANDLETYPE *)this->handle)
1130        return OMX_ErrorBadParameter;
1131
1132    if (nIndex >= nr_roles)
1133        return OMX_ErrorBadParameter;
1134
1135    strncpy((char *)cRole, (const char *)roles[nIndex],
1136            OMX_MAX_STRINGNAME_SIZE);
1137    return OMX_ErrorNone;
1138}
1139
1140/* implement CmdHandlerInterface */
1141static const char *cmd_name[OMX_CommandMarkBuffer+2] = {
1142    "OMX_CommandStateSet",
1143    "OMX_CommandFlush",
1144    "OMX_CommandPortDisable",
1145    "OMX_CommandPortEnable",
1146    "OMX_CommandMarkBuffer",
1147    "Unknown Command",
1148};
1149
1150static inline const char *GetCmdName(OMX_COMMANDTYPE cmd)
1151{
1152    if (cmd > OMX_CommandMarkBuffer)
1153        cmd = (OMX_COMMANDTYPE)(OMX_CommandMarkBuffer+1);
1154
1155    return cmd_name[cmd];
1156}
1157
1158void ComponentBase::CmdHandler(struct cmd_s *cmd)
1159{
1160    LOGV("%s:%s: handling %s command\n",
1161         GetName(), GetWorkingRole(), GetCmdName(cmd->cmd));
1162
1163    switch (cmd->cmd) {
1164    case OMX_CommandStateSet: {
1165        OMX_STATETYPE transition = (OMX_STATETYPE)cmd->param1;
1166
1167        pthread_mutex_lock(&state_block);
1168        TransState(transition);
1169        pthread_mutex_unlock(&state_block);
1170        break;
1171    }
1172    case OMX_CommandFlush: {
1173        OMX_U32 port_index = cmd->param1;
1174        pthread_mutex_lock(&ports_block);
1175        ProcessorFlush(port_index);
1176        FlushPort(port_index, 1);
1177        pthread_mutex_unlock(&ports_block);
1178        break;
1179    }
1180    case OMX_CommandPortDisable: {
1181        OMX_U32 port_index = cmd->param1;
1182
1183        TransStatePort(port_index, PortBase::OMX_PortDisabled);
1184        break;
1185    }
1186    case OMX_CommandPortEnable: {
1187        OMX_U32 port_index = cmd->param1;
1188
1189        TransStatePort(port_index, PortBase::OMX_PortEnabled);
1190        break;
1191    }
1192    case OMX_CommandMarkBuffer: {
1193        OMX_U32 port_index = (OMX_U32)cmd->param1;
1194        OMX_MARKTYPE *mark = (OMX_MARKTYPE *)cmd->cmddata;
1195
1196        PushThisMark(port_index, mark);
1197        break;
1198    }
1199    default:
1200        LOGE("%s:%s:%s: exit failure, command %d cannot be handled\n",
1201             GetName(), GetWorkingRole(), GetCmdName(cmd->cmd), cmd->cmd);
1202        break;
1203    } /* switch */
1204
1205    LOGV("%s:%s: command %s handling done\n",
1206         GetName(), GetWorkingRole(), GetCmdName(cmd->cmd));
1207}
1208
1209/*
1210 * SendCommand:OMX_CommandStateSet
1211 * called in CmdHandler or called in other parts of component for reporting
1212 * internal error (OMX_StateInvalid).
1213 */
1214/*
1215 * Todo
1216 *   Resource Management (OMX_StateWaitForResources)
1217 *   for now, we never notify OMX_ErrorInsufficientResources,
1218 *   so IL client doesn't try to set component' state OMX_StateWaitForResources
1219 */
1220static const char *state_name[OMX_StateWaitForResources+2] = {
1221    "OMX_StateInvalid",
1222    "OMX_StateLoaded",
1223    "OMX_StateIdle",
1224    "OMX_StateExecuting",
1225    "OMX_StatePause",
1226    "OMX_StateWaitForResources",
1227    "Unknown State",
1228};
1229
1230static inline const char *GetStateName(OMX_STATETYPE state)
1231{
1232    if (state > OMX_StateWaitForResources)
1233        state = (OMX_STATETYPE)(OMX_StateWaitForResources+1);
1234
1235    return state_name[state];
1236}
1237
1238void ComponentBase::TransState(OMX_STATETYPE transition)
1239{
1240    OMX_STATETYPE current = this->state;
1241    OMX_EVENTTYPE event;
1242    OMX_U32 data1, data2;
1243    OMX_ERRORTYPE ret;
1244
1245    LOGV("%s:%s: try to transit state from %s to %s\n",
1246         GetName(), GetWorkingRole(), GetStateName(current),
1247         GetStateName(transition));
1248
1249    /* same state */
1250    if (current == transition) {
1251        ret = OMX_ErrorSameState;
1252        LOGE("%s:%s: exit failure, same state (%s)\n",
1253             GetName(), GetWorkingRole(), GetStateName(current));
1254        goto notify_event;
1255    }
1256
1257    /* invalid state */
1258    if (current == OMX_StateInvalid) {
1259        ret = OMX_ErrorInvalidState;
1260        LOGE("%s:%s: exit failure, current state is OMX_StateInvalid\n",
1261             GetName(), GetWorkingRole());
1262        goto notify_event;
1263    }
1264
1265    if (transition == OMX_StateLoaded)
1266        ret = TransStateToLoaded(current);
1267    else if (transition == OMX_StateIdle)
1268        ret = TransStateToIdle(current);
1269    else if (transition == OMX_StateExecuting)
1270        ret = TransStateToExecuting(current);
1271    else if (transition == OMX_StatePause)
1272        ret = TransStateToPause(current);
1273    else if (transition == OMX_StateInvalid)
1274        ret = TransStateToInvalid(current);
1275    else if (transition == OMX_StateWaitForResources)
1276        ret = TransStateToWaitForResources(current);
1277    else
1278        ret = OMX_ErrorIncorrectStateTransition;
1279
1280notify_event:
1281    if (ret == OMX_ErrorNone) {
1282        event = OMX_EventCmdComplete;
1283        data1 = OMX_CommandStateSet;
1284        data2 = transition;
1285
1286        state = transition;
1287        LOGD("%s:%s: transition from %s to %s completed",
1288             GetName(), GetWorkingRole(),
1289             GetStateName(current), GetStateName(transition));
1290    }
1291    else {
1292        event = OMX_EventError;
1293        data1 = ret;
1294        data2 = 0;
1295
1296        if (transition == OMX_StateInvalid || ret == OMX_ErrorInvalidState) {
1297            state = OMX_StateInvalid;
1298            LOGE("%s:%s: exit failure, transition from %s to %s, "
1299                 "current state is %s\n",
1300                 GetName(), GetWorkingRole(), GetStateName(current),
1301                 GetStateName(transition), GetStateName(state));
1302        }
1303    }
1304
1305    callbacks->EventHandler(handle, appdata, event, data1, data2, NULL);
1306
1307    /* WaitForResources workaround */
1308    if (ret == OMX_ErrorNone && transition == OMX_StateWaitForResources)
1309        callbacks->EventHandler(handle, appdata,
1310                                OMX_EventResourcesAcquired, 0, 0, NULL);
1311}
1312
1313inline OMX_ERRORTYPE ComponentBase::TransStateToLoaded(OMX_STATETYPE current)
1314{
1315    OMX_ERRORTYPE ret;
1316
1317    if (current == OMX_StateIdle) {
1318        OMX_U32 i;
1319
1320        for (i = 0; i < nr_ports; i++)
1321	{
1322            if (ports[i]->GetPortBufferCount() > 0) {
1323                ports[i]->WaitPortBufferCompletion();
1324	    };
1325	};
1326
1327        ret = ProcessorDeinit();
1328        if (ret != OMX_ErrorNone) {
1329            LOGE("%s:%s: ProcessorDeinit() failed "
1330                 "(ret : 0x%08x)\n", GetName(), GetWorkingRole(),
1331                 ret);
1332            goto out;
1333        }
1334    }
1335    else if (current == OMX_StateWaitForResources) {
1336        LOGV("%s:%s: "
1337             "state transition's requested from WaitForResources to Loaded\n",
1338             GetName(), GetWorkingRole());
1339
1340        /*
1341         * from WaitForResources to Loaded considered from Loaded to Loaded.
1342         * do nothing
1343         */
1344
1345        ret = OMX_ErrorNone;
1346    }
1347    else
1348        ret = OMX_ErrorIncorrectStateTransition;
1349
1350out:
1351    return ret;
1352}
1353
1354inline OMX_ERRORTYPE ComponentBase::TransStateToIdle(OMX_STATETYPE current)
1355{
1356    OMX_ERRORTYPE ret;
1357
1358    if (current == OMX_StateLoaded) {
1359        OMX_U32 i;
1360
1361        ret = ProcessorInit();
1362        if (ret != OMX_ErrorNone) {
1363            LOGE("%s:%s: ProcessorInit() failed (ret : 0x%08x)\n",
1364                 GetName(), GetWorkingRole(), ret);
1365            goto out;
1366        }
1367
1368        for (i = 0; i < nr_ports; i++) {
1369            if (ports[i]->IsEnabled())
1370                ports[i]->WaitPortBufferCompletion();
1371        }
1372    }
1373    else if ((current == OMX_StatePause) || (current == OMX_StateExecuting)) {
1374        pthread_mutex_lock(&ports_block);
1375        FlushPort(OMX_ALL, 0);
1376        pthread_mutex_unlock(&ports_block);
1377        LOGV("%s:%s: flushed all ports\n", GetName(), GetWorkingRole());
1378
1379        bufferwork->CancelScheduledWork(this);
1380        LOGV("%s:%s: discarded all scheduled buffer process work\n",
1381             GetName(), GetWorkingRole());
1382
1383        if (current == OMX_StatePause) {
1384            bufferwork->ResumeWork();
1385            LOGV("%s:%s: buffer process work resumed\n",
1386                 GetName(), GetWorkingRole());
1387        }
1388
1389        bufferwork->StopWork();
1390        LOGV("%s:%s: buffer process work stopped\n",
1391             GetName(), GetWorkingRole());
1392
1393        ret = ProcessorStop();
1394        if (ret != OMX_ErrorNone) {
1395            LOGE("%s:%s: ProcessorStop() failed (ret : 0x%08x)\n",
1396                 GetName(), GetWorkingRole(), ret);
1397            goto out;
1398        }
1399    }
1400    else if (current == OMX_StateWaitForResources) {
1401        LOGV("%s:%s: "
1402             "state transition's requested from WaitForResources to Idle\n",
1403             GetName(), GetWorkingRole());
1404
1405        /* same as Loaded to Idle BUT DO NOTHING for now */
1406
1407        ret = OMX_ErrorNone;
1408    }
1409    else
1410        ret = OMX_ErrorIncorrectStateTransition;
1411
1412out:
1413    return ret;
1414}
1415
1416inline OMX_ERRORTYPE
1417ComponentBase::TransStateToExecuting(OMX_STATETYPE current)
1418{
1419    OMX_ERRORTYPE ret;
1420
1421    if (current == OMX_StateIdle) {
1422        bufferwork->StartWork(true);
1423        LOGV("%s:%s: buffer process work started with executing state\n",
1424             GetName(), GetWorkingRole());
1425
1426        ret = ProcessorStart();
1427        if (ret != OMX_ErrorNone) {
1428            LOGE("%s:%s: ProcessorStart() failed (ret : 0x%08x)\n",
1429                 GetName(), GetWorkingRole(), ret);
1430            goto out;
1431        }
1432    }
1433    else if (current == OMX_StatePause) {
1434        bufferwork->ResumeWork();
1435        LOGV("%s:%s: buffer process work resumed\n",
1436             GetName(), GetWorkingRole());
1437
1438        ret = ProcessorResume();
1439        if (ret != OMX_ErrorNone) {
1440            LOGE("%s:%s: ProcessorResume() failed (ret : 0x%08x)\n",
1441                 GetName(), GetWorkingRole(), ret);
1442            goto out;
1443        }
1444    }
1445    else
1446        ret = OMX_ErrorIncorrectStateTransition;
1447
1448out:
1449    return ret;
1450}
1451
1452inline OMX_ERRORTYPE ComponentBase::TransStateToPause(OMX_STATETYPE current)
1453{
1454    OMX_ERRORTYPE ret;
1455
1456    if (current == OMX_StateIdle) {
1457        bufferwork->StartWork(false);
1458        LOGV("%s:%s: buffer process work started with paused state\n",
1459             GetName(), GetWorkingRole());
1460
1461        ret = ProcessorStart();
1462        if (ret != OMX_ErrorNone) {
1463            LOGE("%s:%s: ProcessorSart() failed (ret : 0x%08x)\n",
1464                 GetName(), GetWorkingRole(), ret);
1465            goto out;
1466        }
1467    }
1468    else if (current == OMX_StateExecuting) {
1469        bufferwork->PauseWork();
1470        LOGV("%s:%s: buffer process work paused\n",
1471             GetName(), GetWorkingRole());
1472
1473        ret = ProcessorPause();
1474        if (ret != OMX_ErrorNone) {
1475            LOGE("%s:%s: ProcessorPause() failed (ret : 0x%08x)\n",
1476                 GetName(), GetWorkingRole(), ret);
1477            goto out;
1478        }
1479    }
1480    else
1481        ret = OMX_ErrorIncorrectStateTransition;
1482
1483out:
1484    return ret;
1485}
1486
1487inline OMX_ERRORTYPE ComponentBase::TransStateToInvalid(OMX_STATETYPE current)
1488{
1489    OMX_ERRORTYPE ret = OMX_ErrorInvalidState;
1490
1491    /*
1492     * Todo
1493     *   graceful escape
1494     */
1495
1496    return ret;
1497}
1498
1499inline OMX_ERRORTYPE
1500ComponentBase::TransStateToWaitForResources(OMX_STATETYPE current)
1501{
1502    OMX_ERRORTYPE ret;
1503
1504    if (current == OMX_StateLoaded) {
1505        LOGV("%s:%s: "
1506             "state transition's requested from Loaded to WaitForResources\n",
1507             GetName(), GetWorkingRole());
1508        ret = OMX_ErrorNone;
1509    }
1510    else
1511        ret = OMX_ErrorIncorrectStateTransition;
1512
1513    return ret;
1514}
1515
1516/* mark buffer */
1517void ComponentBase::PushThisMark(OMX_U32 port_index, OMX_MARKTYPE *mark)
1518{
1519    PortBase *port = NULL;
1520    OMX_EVENTTYPE event;
1521    OMX_U32 data1, data2;
1522    OMX_ERRORTYPE ret;
1523
1524    if (ports)
1525        if (port_index < nr_ports)
1526            port = ports[port_index];
1527
1528    if (!port) {
1529        ret = OMX_ErrorBadPortIndex;
1530        goto notify_event;
1531    }
1532
1533    ret = port->PushMark(mark);
1534    if (ret != OMX_ErrorNone) {
1535        /* don't report OMX_ErrorInsufficientResources */
1536        ret = OMX_ErrorUndefined;
1537        goto notify_event;
1538    }
1539
1540notify_event:
1541    if (ret == OMX_ErrorNone) {
1542        event = OMX_EventCmdComplete;
1543        data1 = OMX_CommandMarkBuffer;
1544        data2 = port_index;
1545    }
1546    else {
1547        event = OMX_EventError;
1548        data1 = ret;
1549        data2 = 0;
1550    }
1551
1552    callbacks->EventHandler(handle, appdata, event, data1, data2, NULL);
1553}
1554
1555void ComponentBase::FlushPort(OMX_U32 port_index, bool notify)
1556{
1557    OMX_U32 i, from_index, to_index;
1558
1559    if ((port_index != OMX_ALL) && (port_index > nr_ports-1))
1560        return;
1561
1562    if (port_index == OMX_ALL) {
1563        from_index = 0;
1564        to_index = nr_ports - 1;
1565    }
1566    else {
1567        from_index = port_index;
1568        to_index = port_index;
1569    }
1570
1571    LOGV("%s:%s: flush ports (from index %lu to %lu)\n",
1572         GetName(), GetWorkingRole(), from_index, to_index);
1573
1574    for (i = from_index; i <= to_index; i++) {
1575        ports[i]->FlushPort();
1576        if (notify)
1577            callbacks->EventHandler(handle, appdata, OMX_EventCmdComplete,
1578                                    OMX_CommandFlush, i, NULL);
1579    }
1580
1581    LOGV("%s:%s: flush ports done\n", GetName(), GetWorkingRole());
1582}
1583
1584extern const char *GetPortStateName(OMX_U8 state); //portbase.cpp
1585
1586void ComponentBase::TransStatePort(OMX_U32 port_index, OMX_U8 state)
1587{
1588    OMX_EVENTTYPE event;
1589    OMX_U32 data1, data2;
1590    OMX_U32 i, from_index, to_index;
1591    OMX_ERRORTYPE ret;
1592
1593    if ((port_index != OMX_ALL) && (port_index > nr_ports-1))
1594        return;
1595
1596    if (port_index == OMX_ALL) {
1597        from_index = 0;
1598        to_index = nr_ports - 1;
1599    }
1600    else {
1601        from_index = port_index;
1602        to_index = port_index;
1603    }
1604
1605    LOGV("%s:%s: transit ports state to %s (from index %lu to %lu)\n",
1606         GetName(), GetWorkingRole(), GetPortStateName(state),
1607         from_index, to_index);
1608
1609    pthread_mutex_lock(&ports_block);
1610    for (i = from_index; i <= to_index; i++) {
1611        ret = ports[i]->TransState(state);
1612        if (ret == OMX_ErrorNone) {
1613            event = OMX_EventCmdComplete;
1614            if (state == PortBase::OMX_PortEnabled) {
1615                data1 = OMX_CommandPortEnable;
1616                ProcessorReset();
1617            }
1618            else
1619                data1 = OMX_CommandPortDisable;
1620            data2 = i;
1621        }
1622        else {
1623            event = OMX_EventError;
1624            data1 = ret;
1625            data2 = 0;
1626        }
1627        callbacks->EventHandler(handle, appdata, OMX_EventCmdComplete,
1628                                data1, data2, NULL);
1629    }
1630    pthread_mutex_unlock(&ports_block);
1631
1632    LOGV("%s:%s: transit ports state to %s completed\n",
1633         GetName(), GetWorkingRole(), GetPortStateName(state));
1634}
1635
1636/* set working role */
1637OMX_ERRORTYPE ComponentBase::SetWorkingRole(const OMX_STRING role)
1638{
1639    OMX_U32 i;
1640
1641    if (state != OMX_StateUnloaded && state != OMX_StateLoaded)
1642        return OMX_ErrorIncorrectStateOperation;
1643
1644    if (!role) {
1645        working_role = NULL;
1646        return OMX_ErrorNone;
1647    }
1648
1649    for (i = 0; i < nr_roles; i++) {
1650        if (!strcmp((char *)&roles[i][0], role)) {
1651            working_role = (OMX_STRING)&roles[i][0];
1652            return OMX_ErrorNone;
1653        }
1654    }
1655
1656    LOGE("%s: cannot find %s role\n", GetName(), role);
1657    return OMX_ErrorBadParameter;
1658}
1659
1660/* apply a working role for a component having multiple roles */
1661OMX_ERRORTYPE ComponentBase::ApplyWorkingRole(void)
1662{
1663    OMX_U32 i;
1664    OMX_ERRORTYPE ret;
1665
1666    if (state != OMX_StateUnloaded && state != OMX_StateLoaded)
1667        return OMX_ErrorIncorrectStateOperation;
1668
1669    if (!working_role)
1670        return OMX_ErrorBadParameter;
1671
1672    if (!callbacks || !appdata)
1673        return OMX_ErrorBadParameter;
1674
1675    ret = AllocatePorts();
1676    if (ret != OMX_ErrorNone) {
1677        LOGE("failed to AllocatePorts() (ret = 0x%08x)\n", ret);
1678        return ret;
1679    }
1680
1681    /* now we can access ports */
1682    for (i = 0; i < nr_ports; i++) {
1683        ports[i]->SetOwner(handle);
1684        ports[i]->SetCallbacks(handle, callbacks, appdata);
1685    }
1686
1687    LOGI("%s: set working role %s:", GetName(), GetWorkingRole());
1688    return OMX_ErrorNone;
1689}
1690
1691OMX_ERRORTYPE ComponentBase::AllocatePorts(void)
1692{
1693    OMX_DIRTYPE dir;
1694    bool has_input, has_output;
1695    OMX_U32 i;
1696    OMX_ERRORTYPE ret;
1697
1698    if (ports)
1699        return OMX_ErrorBadParameter;
1700
1701    ret = ComponentAllocatePorts();
1702    if (ret != OMX_ErrorNone) {
1703        LOGE("failed to %s::ComponentAllocatePorts(), ret = 0x%08x\n",
1704             name, ret);
1705        return ret;
1706    }
1707
1708    has_input = false;
1709    has_output = false;
1710    ret = OMX_ErrorNone;
1711    for (i = 0; i < nr_ports; i++) {
1712        dir = ports[i]->GetPortDirection();
1713        if (dir == OMX_DirInput)
1714            has_input = true;
1715        else if (dir == OMX_DirOutput)
1716            has_output = true;
1717        else {
1718            ret = OMX_ErrorUndefined;
1719            break;
1720        }
1721    }
1722    if (ret != OMX_ErrorNone)
1723        goto free_ports;
1724
1725    if ((has_input == false) && (has_output == true))
1726        cvariant = CVARIANT_SOURCE;
1727    else if ((has_input == true) && (has_output == true))
1728        cvariant = CVARIANT_FILTER;
1729    else if ((has_input == true) && (has_output == false))
1730        cvariant = CVARIANT_SINK;
1731    else
1732        goto free_ports;
1733
1734    return OMX_ErrorNone;
1735
1736free_ports:
1737    LOGE("%s(): exit, unknown component variant\n", __func__);
1738    FreePorts();
1739    return OMX_ErrorUndefined;
1740}
1741
1742/* called int FreeHandle() */
1743OMX_ERRORTYPE ComponentBase::FreePorts(void)
1744{
1745    if (ports) {
1746        OMX_U32 i, this_nr_ports = this->nr_ports;
1747
1748        for (i = 0; i < this_nr_ports; i++) {
1749            if (ports[i]) {
1750                OMX_MARKTYPE *mark;
1751                /* it should be empty before this */
1752                while ((mark = ports[i]->PopMark()))
1753                    free(mark);
1754
1755                delete ports[i];
1756                ports[i] = NULL;
1757            }
1758        }
1759        delete []ports;
1760        ports = NULL;
1761    }
1762
1763    return OMX_ErrorNone;
1764}
1765
1766/* buffer processing */
1767/* implement WorkableInterface */
1768void ComponentBase::Work(void)
1769{
1770    OMX_BUFFERHEADERTYPE **buffers[nr_ports];
1771    OMX_BUFFERHEADERTYPE *buffers_hdr[nr_ports];
1772    OMX_BUFFERHEADERTYPE *buffers_org[nr_ports];
1773    buffer_retain_t retain[nr_ports];
1774    OMX_U32 i;
1775    OMX_ERRORTYPE ret;
1776
1777    if (nr_ports == 0) {
1778        return;
1779    }
1780
1781    pthread_mutex_lock(&ports_block);
1782
1783    while(IsAllBufferAvailable())
1784    {
1785        for (i = 0; i < nr_ports; i++) {
1786            buffers_hdr[i] = ports[i]->PopBuffer();
1787            buffers[i] = &buffers_hdr[i];
1788            buffers_org[i] = buffers_hdr[i];
1789            retain[i] = BUFFER_RETAIN_NOT_RETAIN;
1790        }
1791
1792        if (working_role != NULL && !strncmp((char*)working_role, "video_decoder", 13)){
1793            ret = ProcessorProcess(buffers, &retain[0], nr_ports);
1794        }else{
1795            ret = ProcessorProcess(buffers_hdr, &retain[0], nr_ports);
1796        }
1797
1798        if (ret == OMX_ErrorNone) {
1799            PostProcessBuffers(buffers, &retain[0]);
1800
1801            for (i = 0; i < nr_ports; i++) {
1802                if(retain[i] == BUFFER_RETAIN_GETAGAIN) {
1803                    ports[i]->RetainThisBuffer(*buffers[i], false);
1804                }
1805                else if (retain[i] == BUFFER_RETAIN_ACCUMULATE) {
1806                    ports[i]->RetainThisBuffer(*buffers[i], true);
1807                }
1808                else if (retain[i] == BUFFER_RETAIN_OVERRIDDEN) {
1809                    ports[i]->RetainAndReturnBuffer(buffers_org[i], *buffers[i]);
1810                }
1811                else if (retain[i] == BUFFER_RETAIN_CACHE) {
1812                    //nothing to do
1813                } else {
1814                    ports[i]->ReturnThisBuffer(*buffers[i]);
1815                }
1816            }
1817        }
1818        else {
1819
1820            for (i = 0; i < nr_ports; i++) {
1821                /* return buffers by hands, these buffers're not in queue */
1822                ports[i]->ReturnThisBuffer(*buffers[i]);
1823                /* flush ports */
1824                ports[i]->FlushPort();
1825            }
1826
1827            callbacks->EventHandler(handle, appdata, OMX_EventError, ret,
1828                                    0, NULL);
1829        }
1830    }
1831
1832    pthread_mutex_unlock(&ports_block);
1833}
1834
1835bool ComponentBase::IsAllBufferAvailable(void)
1836{
1837    OMX_U32 i;
1838    OMX_U32 nr_avail = 0;
1839
1840    for (i = 0; i < nr_ports; i++) {
1841        OMX_U32 length = 0;
1842
1843        if (ports[i]->IsEnabled())
1844            length = ports[i]->BufferQueueLength();
1845
1846        if (length)
1847            nr_avail++;
1848    }
1849
1850    if (nr_avail == nr_ports)
1851        return true;
1852    else
1853        return false;
1854}
1855
1856inline void ComponentBase::SourcePostProcessBuffers(
1857    OMX_BUFFERHEADERTYPE ***buffers,
1858    const buffer_retain_t *retain)
1859{
1860    OMX_U32 i;
1861
1862    for (i = 0; i < nr_ports; i++) {
1863        /*
1864         * in case of source component, buffers're marked when they come
1865         * from the ouput ports
1866         */
1867        if (!(*buffers[i])->hMarkTargetComponent) {
1868            OMX_MARKTYPE *mark;
1869
1870            mark = ports[i]->PopMark();
1871            if (mark) {
1872                (*buffers[i])->hMarkTargetComponent = mark->hMarkTargetComponent;
1873                (*buffers[i])->pMarkData = mark->pMarkData;
1874                free(mark);
1875            }
1876        }
1877    }
1878}
1879
1880inline void ComponentBase::FilterPostProcessBuffers(
1881    OMX_BUFFERHEADERTYPE ***buffers,
1882    const buffer_retain_t *retain)
1883{
1884    OMX_MARKTYPE *mark;
1885    OMX_U32 i, j;
1886
1887    for (i = 0; i < nr_ports; i++) {
1888        if (ports[i]->GetPortDirection() == OMX_DirInput) {
1889            for (j = 0; j < nr_ports; j++) {
1890                if (ports[j]->GetPortDirection() != OMX_DirOutput)
1891                    continue;
1892
1893                /* propagates EOS flag */
1894                /* clear input EOS at the end of this loop */
1895                if (retain[i] != BUFFER_RETAIN_GETAGAIN) {
1896                    if ((*buffers[i])->nFlags & OMX_BUFFERFLAG_EOS)
1897                        (*buffers[j])->nFlags |= OMX_BUFFERFLAG_EOS;
1898                }
1899
1900                /* propagates marks */
1901                /*
1902                 * if hMarkTargetComponent == handle then the mark's not
1903                 * propagated
1904                 */
1905                if ((*buffers[i])->hMarkTargetComponent &&
1906                    ((*buffers[i])->hMarkTargetComponent != handle)) {
1907                    if ((*buffers[j])->hMarkTargetComponent) {
1908                        mark = (OMX_MARKTYPE *)malloc(sizeof(*mark));
1909                        if (mark) {
1910                            mark->hMarkTargetComponent =
1911                                (*buffers[i])->hMarkTargetComponent;
1912                            mark->pMarkData = (*buffers[i])->pMarkData;
1913                            ports[j]->PushMark(mark);
1914                            mark = NULL;
1915                            (*buffers[i])->hMarkTargetComponent = NULL;
1916                            (*buffers[i])->pMarkData = NULL;
1917                        }
1918                    }
1919                    else {
1920                        mark = ports[j]->PopMark();
1921                        if (mark) {
1922                            (*buffers[j])->hMarkTargetComponent =
1923                                mark->hMarkTargetComponent;
1924                            (*buffers[j])->pMarkData = mark->pMarkData;
1925                            free(mark);
1926
1927                            mark = (OMX_MARKTYPE *)malloc(sizeof(*mark));
1928                            if (mark) {
1929                                mark->hMarkTargetComponent =
1930                                    (*buffers[i])->hMarkTargetComponent;
1931                                mark->pMarkData = (*buffers[i])->pMarkData;
1932                                ports[j]->PushMark(mark);
1933                                mark = NULL;
1934                                (*buffers[i])->hMarkTargetComponent = NULL;
1935                                (*buffers[i])->pMarkData = NULL;
1936                            }
1937                        }
1938                        else {
1939                            (*buffers[j])->hMarkTargetComponent =
1940                                (*buffers[i])->hMarkTargetComponent;
1941                            (*buffers[j])->pMarkData = (*buffers[i])->pMarkData;
1942                            (*buffers[i])->hMarkTargetComponent = NULL;
1943                            (*buffers[i])->pMarkData = NULL;
1944                        }
1945                    }
1946                }
1947            }
1948            /* clear input buffer's EOS */
1949            if (retain[i] != BUFFER_RETAIN_GETAGAIN)
1950                (*buffers[i])->nFlags &= ~OMX_BUFFERFLAG_EOS;
1951        }
1952    }
1953}
1954
1955inline void ComponentBase::SinkPostProcessBuffers(
1956    OMX_BUFFERHEADERTYPE ***buffers,
1957    const buffer_retain_t *retain)
1958{
1959    return;
1960}
1961
1962void ComponentBase::PostProcessBuffers(OMX_BUFFERHEADERTYPE ***buffers,
1963                                       const buffer_retain_t *retain)
1964{
1965
1966    if (cvariant == CVARIANT_SOURCE)
1967        SourcePostProcessBuffers(buffers, retain);
1968    else if (cvariant == CVARIANT_FILTER)
1969        FilterPostProcessBuffers(buffers, retain);
1970    else if (cvariant == CVARIANT_SINK) {
1971        SinkPostProcessBuffers(buffers, retain);
1972    }
1973    else {
1974        LOGE("%s(): fatal error unknown component variant (%d)\n",
1975             __func__, cvariant);
1976    }
1977}
1978
1979/* processor default callbacks */
1980OMX_ERRORTYPE ComponentBase::ProcessorInit(void)
1981{
1982    return OMX_ErrorNone;
1983}
1984OMX_ERRORTYPE ComponentBase::ProcessorDeinit(void)
1985{
1986    return OMX_ErrorNone;
1987}
1988
1989OMX_ERRORTYPE ComponentBase::ProcessorStart(void)
1990{
1991    return OMX_ErrorNone;
1992}
1993
1994OMX_ERRORTYPE ComponentBase::ProcessorReset(void)
1995{
1996    return OMX_ErrorNone;
1997}
1998
1999
2000OMX_ERRORTYPE ComponentBase::ProcessorStop(void)
2001{
2002    return OMX_ErrorNone;
2003}
2004
2005OMX_ERRORTYPE ComponentBase::ProcessorPause(void)
2006{
2007    return OMX_ErrorNone;
2008}
2009
2010OMX_ERRORTYPE ComponentBase::ProcessorResume(void)
2011{
2012    return OMX_ErrorNone;
2013}
2014
2015OMX_ERRORTYPE ComponentBase::ProcessorFlush(OMX_U32 port_index)
2016{
2017    return OMX_ErrorNone;
2018}
2019
2020OMX_ERRORTYPE ComponentBase::ProcessorPreFillBuffer(OMX_BUFFERHEADERTYPE* buffer)
2021{
2022    return OMX_ErrorNone;
2023}
2024
2025OMX_ERRORTYPE ComponentBase::ProcessorPreEmptyBuffer(OMX_BUFFERHEADERTYPE* buffer)
2026{
2027    return OMX_ErrorNone;
2028}
2029
2030OMX_ERRORTYPE ComponentBase::ProcessorProcess(OMX_BUFFERHEADERTYPE **pBuffers,
2031                                           buffer_retain_t *retain,
2032                                           OMX_U32 nr_buffers)
2033{
2034    LOGE("ProcessorProcess not be implemented");
2035    return OMX_ErrorNotImplemented;
2036}
2037OMX_ERRORTYPE ComponentBase::ProcessorProcess(OMX_BUFFERHEADERTYPE ***pBuffers,
2038                                           buffer_retain_t *retain,
2039                                           OMX_U32 nr_buffers)
2040{
2041    LOGE("ProcessorProcess not be implemented");
2042    return OMX_ErrorNotImplemented;
2043}
2044
2045OMX_ERRORTYPE ComponentBase::ProcessorPreFreeBuffer(OMX_U32 nPortIndex, OMX_BUFFERHEADERTYPE* pBuffer)
2046{
2047    return OMX_ErrorNone;
2048
2049}
2050/* end of processor callbacks */
2051
2052/* helper for derived class */
2053const OMX_STRING ComponentBase::GetWorkingRole(void)
2054{
2055    return &working_role[0];
2056}
2057
2058const OMX_COMPONENTTYPE *ComponentBase::GetComponentHandle(void)
2059{
2060    return handle;
2061}
2062#if 0
2063void ComponentBase::DumpBuffer(const OMX_BUFFERHEADERTYPE *bufferheader,
2064                               bool dumpdata)
2065{
2066    OMX_U8 *pbuffer = bufferheader->pBuffer, *p;
2067    OMX_U32 offset = bufferheader->nOffset;
2068    OMX_U32 alloc_len = bufferheader->nAllocLen;
2069    OMX_U32 filled_len =  bufferheader->nFilledLen;
2070    OMX_U32 left = filled_len, oneline;
2071    OMX_U32 index = 0, i;
2072    /* 0x%04lx:  %02x %02x .. (n = 16)\n\0 */
2073    char prbuffer[8 + 3 * 0x10 + 2], *pp;
2074    OMX_U32 prbuffer_len;
2075
2076    LOGD("Component %s DumpBuffer\n", name);
2077    LOGD("%s port index = %lu",
2078         (bufferheader->nInputPortIndex != 0x7fffffff) ? "input" : "output",
2079         (bufferheader->nInputPortIndex != 0x7fffffff) ?
2080         bufferheader->nInputPortIndex : bufferheader->nOutputPortIndex);
2081    LOGD("nAllocLen = %lu, nOffset = %lu, nFilledLen = %lu\n",
2082         alloc_len, offset, filled_len);
2083    LOGD("nTimeStamp = %lld, nTickCount = %lu",
2084         bufferheader->nTimeStamp,
2085         bufferheader->nTickCount);
2086    LOGD("nFlags = 0x%08lx\n", bufferheader->nFlags);
2087    LOGD("hMarkTargetComponent = %p, pMarkData = %p\n",
2088         bufferheader->hMarkTargetComponent, bufferheader->pMarkData);
2089
2090    if (!pbuffer || !alloc_len || !filled_len)
2091        return;
2092
2093    if (offset + filled_len > alloc_len)
2094        return;
2095
2096    if (!dumpdata)
2097        return;
2098
2099    p = pbuffer + offset;
2100    while (left) {
2101        oneline = left > 0x10 ? 0x10 : left; /* 16 items per 1 line */
2102        pp += sprintf(pp, "0x%04lx: ", index);
2103        for (i = 0; i < oneline; i++)
2104            pp += sprintf(pp, " %02x", *(p + i));
2105        pp += sprintf(pp, "\n");
2106        *pp = '\0';
2107
2108        index += 0x10;
2109        p += oneline;
2110        left -= oneline;
2111
2112        pp = &prbuffer[0];
2113        LOGD("%s", pp);
2114    }
2115}
2116#endif
2117/* end of component methods & helpers */
2118
2119/*
2120 * omx header manipuation
2121 */
2122void ComponentBase::SetTypeHeader(OMX_PTR type, OMX_U32 size)
2123{
2124    OMX_U32 *nsize;
2125    OMX_VERSIONTYPE *nversion;
2126
2127    if (!type)
2128        return;
2129
2130    nsize = (OMX_U32 *)type;
2131    nversion = (OMX_VERSIONTYPE *)((OMX_U8 *)type + sizeof(OMX_U32));
2132
2133    *nsize = size;
2134    nversion->nVersion = OMX_SPEC_VERSION;
2135}
2136
2137OMX_ERRORTYPE ComponentBase::CheckTypeHeader(const OMX_PTR type, OMX_U32 size)
2138{
2139    OMX_U32 *nsize;
2140    OMX_VERSIONTYPE *nversion;
2141
2142    if (!type)
2143        return OMX_ErrorBadParameter;
2144
2145    nsize = (OMX_U32 *)type;
2146    nversion = (OMX_VERSIONTYPE *)((OMX_U8 *)type + sizeof(OMX_U32));
2147
2148    if (*nsize != size)
2149        return OMX_ErrorBadParameter;
2150
2151    if (nversion->nVersion != OMX_SPEC_VERSION)
2152        return OMX_ErrorVersionMismatch;
2153
2154    return OMX_ErrorNone;
2155}
2156
2157/* end of ComponentBase */
2158