componentbase.cpp revision 22c983f39fc4fb8970f15d260fc62b2ccf967906 
1/*
2 * Copyright (C) 2009 Wind River Systems.
3 */
4
5#include <stdlib.h>
6#include <string.h>
7
8#include <pthread.h>
9
10#include <OMX_Core.h>
11#include <OMX_Component.h>
12
13#include <componentbase.h>
14
15#include <queue.h>
16#include <workqueue.h>
17
18#define LOG_TAG "componentbase"
19#include <log.h>
20
21/*
22 * CmdProcessWork
23 */
24CmdProcessWork::CmdProcessWork(CmdHandlerInterface *ci)
25{
26    this->ci = ci;
27
28    workq = new WorkQueue;
29
30    __queue_init(&q);
31    pthread_mutex_init(&lock, NULL);
32
33    workq->StartWork();
34}
35
36CmdProcessWork::~CmdProcessWork()
37{
38    workq->StopWork();
39    delete workq;
40
41    pthread_mutex_lock(&lock);
42    queue_free_all(&q);
43    pthread_mutex_unlock(&lock);
44
45    pthread_mutex_destroy(&lock);
46}
47
48OMX_ERRORTYPE CmdProcessWork::PushCmdQueue(struct cmd_s *cmd)
49{
50    int ret;
51
52    pthread_mutex_lock(&lock);
53    ret = queue_push_tail(&q, cmd);
54    if (ret) {
55        pthread_mutex_unlock(&lock);
56        return OMX_ErrorInsufficientResources;
57    }
58
59    workq->ScheduleWork(this);
60    pthread_mutex_unlock(&lock);
61
62    return OMX_ErrorNone;
63}
64
65struct cmd_s *CmdProcessWork::PopCmdQueue(void)
66{
67    struct cmd_s *cmd;
68
69    pthread_mutex_lock(&lock);
70    cmd = (struct cmd_s *)queue_pop_head(&q);
71    pthread_mutex_unlock(&lock);
72
73    return cmd;
74}
75
76void CmdProcessWork::ScheduleIfAvailable(void)
77{
78    bool avail;
79
80    pthread_mutex_lock(&lock);
81    avail = queue_length(&q) ? true : false;
82    pthread_mutex_unlock(&lock);
83
84    if (avail)
85        workq->ScheduleWork(this);
86}
87
88void CmdProcessWork::Work(void)
89{
90    struct cmd_s *cmd;
91
92    cmd = PopCmdQueue();
93    if (cmd) {
94        ci->CmdHandler(cmd);
95        free(cmd);
96    }
97    ScheduleIfAvailable();
98}
99
100/* end of CmdProcessWork */
101
102/*
103 * ComponentBase
104 */
105/*
106 * constructor & destructor
107 */
108void ComponentBase::__ComponentBase(void)
109{
110    memset(name, 0, OMX_MAX_STRINGNAME_SIZE);
111    cmodule = NULL;
112    handle = NULL;
113
114    roles = NULL;
115    nr_roles = 0;
116
117    working_role = NULL;
118
119    ports = NULL;
120    nr_ports = 0;
121    memset(&portparam, 0, sizeof(portparam));
122
123    state = OMX_StateUnloaded;
124
125    cmdwork = new CmdProcessWork(this);
126
127    executing = false;
128    pthread_mutex_init(&executing_lock, NULL);
129    pthread_cond_init(&executing_wait, NULL);
130
131    bufferwork = new WorkQueue();
132
133    pthread_mutex_init(&ports_block, NULL);
134}
135
136ComponentBase::ComponentBase()
137{
138    __ComponentBase();
139}
140
141ComponentBase::ComponentBase(const OMX_STRING name)
142{
143    __ComponentBase();
144    SetName(name);
145}
146
147ComponentBase::~ComponentBase()
148{
149    delete cmdwork;
150
151    delete bufferwork;
152    pthread_mutex_destroy(&executing_lock);
153    pthread_cond_destroy(&executing_wait);
154
155    pthread_mutex_destroy(&ports_block);
156
157    if (roles) {
158        OMX_U32 i;
159
160        for (i = 0; i < nr_roles; i++)
161            free(roles[i]);
162
163        free(roles);
164    }
165}
166
167/* end of constructor & destructor */
168
169/*
170 * accessor
171 */
172/* name */
173void ComponentBase::SetName(const OMX_STRING name)
174{
175    strncpy(this->name, name, OMX_MAX_STRINGNAME_SIZE);
176    this->name[OMX_MAX_STRINGNAME_SIZE-1] = '\0';
177}
178
179const OMX_STRING ComponentBase::GetName(void)
180{
181    return name;
182}
183
184/* component module */
185void ComponentBase::SetCModule(CModule *cmodule)
186{
187    this->cmodule = cmodule;
188}
189
190CModule *ComponentBase::GetCModule(void)
191{
192    return cmodule;
193}
194
195/* end of accessor */
196
197/*
198 * core methods & helpers
199 */
200/* roles */
201OMX_ERRORTYPE ComponentBase::SetRolesOfComponent(OMX_U32 nr_roles,
202                                                 const OMX_U8 **roles)
203{
204    OMX_U32 i;
205
206    if (!roles || !nr_roles)
207        return OMX_ErrorBadParameter;
208
209    if (this->roles) {
210        free(this->roles[0]);
211        free(this->roles);
212        this->roles = NULL;
213    }
214
215    this->roles = (OMX_U8 **)malloc(sizeof(OMX_STRING) * nr_roles);
216    if (!this->roles)
217        return OMX_ErrorInsufficientResources;
218
219    this->roles[0] = (OMX_U8 *)malloc(OMX_MAX_STRINGNAME_SIZE);
220    if (!this->roles) {
221        free(this->roles);
222        this->roles = NULL;
223        return OMX_ErrorInsufficientResources;
224    }
225
226    for (i = 0; i < nr_roles; i++) {
227        if (i < nr_roles-1)
228            this->roles[i+1] = this->roles[i] + OMX_MAX_STRINGNAME_SIZE;
229
230        strncpy((OMX_STRING)&this->roles[i][0],
231                (const OMX_STRING)&roles[i][0], OMX_MAX_STRINGNAME_SIZE);
232    }
233
234    this->nr_roles = nr_roles;
235    return OMX_ErrorNone;
236}
237
238/* GetHandle & FreeHandle */
239OMX_ERRORTYPE ComponentBase::GetHandle(OMX_HANDLETYPE *pHandle,
240                                       OMX_PTR pAppData,
241                                       OMX_CALLBACKTYPE *pCallBacks)
242{
243    OMX_U32 i;
244    OMX_ERRORTYPE ret;
245
246    if (handle)
247        return OMX_ErrorUndefined;
248
249    handle = (OMX_COMPONENTTYPE *)calloc(1, sizeof(*handle));
250    if (!handle)
251        return OMX_ErrorInsufficientResources;
252
253    /* handle initialization */
254    SetTypeHeader(handle, sizeof(*handle));
255    handle->pComponentPrivate = static_cast<OMX_PTR>(this);
256    handle->pApplicationPrivate = pAppData;
257
258    /* connect handle's functions */
259    handle->GetComponentVersion = GetComponentVersion;
260    handle->SendCommand = SendCommand;
261    handle->GetParameter = GetParameter;
262    handle->SetParameter = SetParameter;
263    handle->GetConfig = GetConfig;
264    handle->SetConfig = SetConfig;
265    handle->GetExtensionIndex = GetExtensionIndex;
266    handle->GetState = GetState;
267    handle->ComponentTunnelRequest = ComponentTunnelRequest;
268    handle->UseBuffer = UseBuffer;
269    handle->AllocateBuffer = AllocateBuffer;
270    handle->FreeBuffer = FreeBuffer;
271    handle->EmptyThisBuffer = EmptyThisBuffer;
272    handle->FillThisBuffer = FillThisBuffer;
273    handle->SetCallbacks = SetCallbacks;
274    handle->ComponentDeInit = ComponentDeInit;
275    handle->UseEGLImage = UseEGLImage;
276    handle->ComponentRoleEnum = ComponentRoleEnum;
277
278    appdata = pAppData;
279    callbacks = pCallBacks;
280
281    if (nr_roles == 1) {
282        SetWorkingRole((OMX_STRING)&roles[0][0]);
283        ret = ApplyWorkingRole();
284        if (ret != OMX_ErrorNone) {
285            SetWorkingRole(NULL);
286            goto free_handle;
287        }
288    }
289
290    *pHandle = (OMX_HANDLETYPE *)handle;
291    state = OMX_StateLoaded;
292    return OMX_ErrorNone;
293
294free_handle:
295    free(handle);
296
297    appdata = NULL;
298    callbacks = NULL;
299    *pHandle = NULL;
300
301    return ret;
302}
303
304OMX_ERRORTYPE ComponentBase::FreeHandle(OMX_HANDLETYPE hComponent)
305{
306    OMX_ERRORTYPE ret;
307
308    if (hComponent != handle)
309        return OMX_ErrorBadParameter;
310
311    if (state != OMX_StateLoaded)
312        return OMX_ErrorIncorrectStateOperation;
313
314    FreePorts();
315
316    free(handle);
317
318    appdata = NULL;
319    callbacks = NULL;
320
321    state = OMX_StateUnloaded;
322    return OMX_ErrorNone;
323}
324
325/* end of core methods & helpers */
326
327/*
328 * component methods & helpers
329 */
330OMX_ERRORTYPE ComponentBase::GetComponentVersion(
331    OMX_IN  OMX_HANDLETYPE hComponent,
332    OMX_OUT OMX_STRING pComponentName,
333    OMX_OUT OMX_VERSIONTYPE* pComponentVersion,
334    OMX_OUT OMX_VERSIONTYPE* pSpecVersion,
335    OMX_OUT OMX_UUIDTYPE* pComponentUUID)
336{
337    ComponentBase *cbase;
338
339    if (!hComponent)
340        return OMX_ErrorBadParameter;
341
342    cbase = static_cast<ComponentBase *>
343        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
344    if (!cbase)
345        return OMX_ErrorBadParameter;
346
347    return cbase->CBaseGetComponentVersion(hComponent,
348                                           pComponentName,
349                                           pComponentVersion,
350                                           pSpecVersion,
351                                           pComponentUUID);
352}
353
354OMX_ERRORTYPE ComponentBase::CBaseGetComponentVersion(
355    OMX_IN  OMX_HANDLETYPE hComponent,
356    OMX_OUT OMX_STRING pComponentName,
357    OMX_OUT OMX_VERSIONTYPE* pComponentVersion,
358    OMX_OUT OMX_VERSIONTYPE* pSpecVersion,
359    OMX_OUT OMX_UUIDTYPE* pComponentUUID)
360{
361    /*
362     * Todo
363     */
364
365    return OMX_ErrorNotImplemented;
366}
367
368OMX_ERRORTYPE ComponentBase::SendCommand(
369    OMX_IN  OMX_HANDLETYPE hComponent,
370    OMX_IN  OMX_COMMANDTYPE Cmd,
371    OMX_IN  OMX_U32 nParam1,
372    OMX_IN  OMX_PTR pCmdData)
373{
374    ComponentBase *cbase;
375
376    if (!hComponent)
377        return OMX_ErrorBadParameter;
378
379    cbase = static_cast<ComponentBase *>
380        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
381    if (!cbase)
382        return OMX_ErrorBadParameter;
383
384    return cbase->CBaseSendCommand(hComponent, Cmd, nParam1, pCmdData);
385}
386
387OMX_ERRORTYPE ComponentBase::CBaseSendCommand(
388    OMX_IN  OMX_HANDLETYPE hComponent,
389    OMX_IN  OMX_COMMANDTYPE Cmd,
390    OMX_IN  OMX_U32 nParam1,
391    OMX_IN  OMX_PTR pCmdData)
392{
393    struct cmd_s *cmd;
394
395    if (hComponent != handle)
396        return OMX_ErrorInvalidComponent;
397
398    /* basic error check */
399    switch (Cmd) {
400    case OMX_CommandStateSet:
401        /*
402         * Todo
403         */
404        break;
405    case OMX_CommandFlush:
406        /*
407         * Todo
408         */
409        //break;
410    case OMX_CommandPortDisable:
411        /*
412         * Todo
413         */
414        //break;
415    case OMX_CommandPortEnable:
416        /*
417         * Todo
418         */
419        //break;
420    case OMX_CommandMarkBuffer:
421        /*
422         * Todo
423         */
424        //break;
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_ErrorBadParameter;
500
501        memcpy(p, port->GetPortParam(), sizeof(*p));
502        break;
503    }
504    case OMX_IndexParamAudioPortFormat: {
505        OMX_AUDIO_PARAM_PORTFORMATTYPE *p =
506            (OMX_AUDIO_PARAM_PORTFORMATTYPE *)pComponentParameterStructure;
507        OMX_U32 index = p->nPortIndex;
508        PortBase *port = NULL;
509
510        ret = CheckTypeHeader(p, sizeof(*p));
511        if (ret != OMX_ErrorNone)
512            return ret;
513
514        if (index < nr_ports)
515            port = ports[index];
516
517        if (!port)
518            return OMX_ErrorBadParameter;
519
520        memcpy(p, port->GetAudioPortParam(), sizeof(*p));
521        break;
522    }
523    case OMX_IndexParamCompBufferSupplier:
524        /*
525         * Todo
526         */
527
528        ret = OMX_ErrorUnsupportedIndex;
529        break;
530    default:
531        ret = ComponentGetParameter(nParamIndex, pComponentParameterStructure);
532    } /* switch */
533
534    return ret;
535}
536
537OMX_ERRORTYPE ComponentBase::SetParameter(
538    OMX_IN  OMX_HANDLETYPE hComponent,
539    OMX_IN  OMX_INDEXTYPE nIndex,
540    OMX_IN  OMX_PTR pComponentParameterStructure)
541{
542    ComponentBase *cbase;
543
544    if (!hComponent)
545        return OMX_ErrorBadParameter;
546
547    cbase = static_cast<ComponentBase *>
548        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
549    if (!cbase)
550        return OMX_ErrorBadParameter;
551
552    return cbase->CBaseSetParameter(hComponent, nIndex,
553                                    pComponentParameterStructure);
554}
555
556OMX_ERRORTYPE ComponentBase::CBaseSetParameter(
557    OMX_IN  OMX_HANDLETYPE hComponent,
558    OMX_IN  OMX_INDEXTYPE nIndex,
559    OMX_IN  OMX_PTR pComponentParameterStructure)
560{
561    OMX_ERRORTYPE ret = OMX_ErrorNone;
562
563    if (hComponent != handle)
564        return OMX_ErrorBadParameter;
565
566    switch (nIndex) {
567    case OMX_IndexParamAudioInit:
568    case OMX_IndexParamVideoInit:
569    case OMX_IndexParamImageInit:
570    case OMX_IndexParamOtherInit:
571        /* preventing clients from setting OMX_PORT_PARAM_TYPE */
572        ret = OMX_ErrorUnsupportedIndex;
573        break;
574    case OMX_IndexParamPortDefinition: {
575        OMX_PARAM_PORTDEFINITIONTYPE *p =
576            (OMX_PARAM_PORTDEFINITIONTYPE *)pComponentParameterStructure;
577        OMX_U32 index = p->nPortIndex;
578        PortBase *port = NULL;
579
580        ret = CheckTypeHeader(p, sizeof(*p));
581        if (ret != OMX_ErrorNone)
582            return ret;
583
584        if (index < nr_ports)
585            port = ports[index];
586
587        if (!port)
588            return OMX_ErrorBadParameter;
589
590        if (port->IsEnabled()) {
591            if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
592                return OMX_ErrorIncorrectStateOperation;
593        }
594
595        port->SetPortParam(p);
596        break;
597    }
598    case OMX_IndexParamAudioPortFormat: {
599        OMX_AUDIO_PARAM_PORTFORMATTYPE *p =
600            (OMX_AUDIO_PARAM_PORTFORMATTYPE *)pComponentParameterStructure;
601        OMX_U32 index = p->nPortIndex;
602        PortBase *port = NULL;
603
604        ret = CheckTypeHeader(p, sizeof(*p));
605        if (ret != OMX_ErrorNone)
606            return ret;
607
608        if (index < nr_ports)
609            port = ports[index];
610
611        if (!port)
612            return OMX_ErrorBadParameter;
613
614        if (port->IsEnabled()) {
615            if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
616                return OMX_ErrorIncorrectStateOperation;
617        }
618
619        port->SetAudioPortParam(p);
620        break;
621    }
622    case OMX_IndexParamCompBufferSupplier:
623        /*
624         * Todo
625         */
626
627        ret = OMX_ErrorUnsupportedIndex;
628        break;
629    case OMX_IndexParamStandardComponentRole: {
630        OMX_PARAM_COMPONENTROLETYPE *p =
631            (OMX_PARAM_COMPONENTROLETYPE *)pComponentParameterStructure;
632
633        if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
634            return OMX_ErrorIncorrectStateOperation;
635
636        ret = CheckTypeHeader(p, sizeof(*p));
637        if (ret != OMX_ErrorNone)
638            return ret;
639
640        ret = SetWorkingRole((OMX_STRING)p->cRole);
641        if (ret != OMX_ErrorNone)
642            return ret;
643
644        if (ports)
645            FreePorts();
646
647        ret = ApplyWorkingRole();
648        if (ret != OMX_ErrorNone) {
649            SetWorkingRole(NULL);
650            return ret;
651        }
652        break;
653    }
654    default:
655        ret = ComponentSetParameter(nIndex, pComponentParameterStructure);
656    } /* switch */
657
658    return ret;
659}
660
661OMX_ERRORTYPE ComponentBase::GetConfig(
662    OMX_IN  OMX_HANDLETYPE hComponent,
663    OMX_IN  OMX_INDEXTYPE nIndex,
664    OMX_INOUT OMX_PTR pComponentConfigStructure)
665{
666    ComponentBase *cbase;
667
668    if (!hComponent)
669        return OMX_ErrorBadParameter;
670
671    cbase = static_cast<ComponentBase *>
672        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
673    if (!cbase)
674        return OMX_ErrorBadParameter;
675
676    return cbase->CBaseGetConfig(hComponent, nIndex,
677                                 pComponentConfigStructure);
678}
679
680OMX_ERRORTYPE ComponentBase::CBaseGetConfig(
681    OMX_IN  OMX_HANDLETYPE hComponent,
682    OMX_IN  OMX_INDEXTYPE nIndex,
683    OMX_INOUT OMX_PTR pComponentConfigStructure)
684{
685    OMX_ERRORTYPE ret;
686
687    if (hComponent != handle)
688        return OMX_ErrorBadParameter;
689
690    switch (nIndex) {
691    default:
692        ret = ComponentGetConfig(nIndex, pComponentConfigStructure);
693    }
694
695    return ret;
696}
697
698OMX_ERRORTYPE ComponentBase::SetConfig(
699    OMX_IN  OMX_HANDLETYPE hComponent,
700    OMX_IN  OMX_INDEXTYPE nIndex,
701    OMX_IN  OMX_PTR pComponentConfigStructure)
702{
703    ComponentBase *cbase;
704
705    if (!hComponent)
706        return OMX_ErrorBadParameter;
707
708    cbase = static_cast<ComponentBase *>
709        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
710    if (!cbase)
711        return OMX_ErrorBadParameter;
712
713    return cbase->CBaseSetConfig(hComponent, nIndex,
714                                 pComponentConfigStructure);
715}
716
717OMX_ERRORTYPE ComponentBase::CBaseSetConfig(
718    OMX_IN  OMX_HANDLETYPE hComponent,
719    OMX_IN  OMX_INDEXTYPE nIndex,
720    OMX_IN  OMX_PTR pComponentConfigStructure)
721{
722    OMX_ERRORTYPE ret;
723
724    if (hComponent != handle)
725        return OMX_ErrorBadParameter;
726
727    switch (nIndex) {
728    default:
729        ret = ComponentSetConfig(nIndex, pComponentConfigStructure);
730    }
731
732    return ret;
733}
734
735OMX_ERRORTYPE ComponentBase::GetExtensionIndex(
736    OMX_IN  OMX_HANDLETYPE hComponent,
737    OMX_IN  OMX_STRING cParameterName,
738    OMX_OUT OMX_INDEXTYPE* pIndexType)
739{
740    ComponentBase *cbase;
741
742    if (!hComponent)
743        return OMX_ErrorBadParameter;
744
745    cbase = static_cast<ComponentBase *>
746        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
747    if (!cbase)
748        return OMX_ErrorBadParameter;
749
750    return cbase->CBaseGetExtensionIndex(hComponent, cParameterName,
751                                         pIndexType);
752}
753
754OMX_ERRORTYPE ComponentBase::CBaseGetExtensionIndex(
755    OMX_IN  OMX_HANDLETYPE hComponent,
756    OMX_IN  OMX_STRING cParameterName,
757    OMX_OUT OMX_INDEXTYPE* pIndexType)
758{
759    /*
760     * Todo
761     */
762
763    return OMX_ErrorNotImplemented;
764}
765
766OMX_ERRORTYPE ComponentBase::GetState(
767    OMX_IN  OMX_HANDLETYPE hComponent,
768    OMX_OUT OMX_STATETYPE* pState)
769{
770    ComponentBase *cbase;
771
772    if (!hComponent)
773        return OMX_ErrorBadParameter;
774
775    cbase = static_cast<ComponentBase *>
776        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
777    if (!cbase)
778        return OMX_ErrorBadParameter;
779
780    return cbase->CBaseGetState(hComponent, pState);
781}
782
783OMX_ERRORTYPE ComponentBase::CBaseGetState(
784    OMX_IN  OMX_HANDLETYPE hComponent,
785    OMX_OUT OMX_STATETYPE* pState)
786{
787    if (hComponent != handle)
788        return OMX_ErrorBadParameter;
789
790    *pState = state;
791    return OMX_ErrorNone;
792}
793
794OMX_ERRORTYPE ComponentBase::ComponentTunnelRequest(
795    OMX_IN  OMX_HANDLETYPE hComponent,
796    OMX_IN  OMX_U32 nPort,
797    OMX_IN  OMX_HANDLETYPE hTunneledComponent,
798    OMX_IN  OMX_U32 nTunneledPort,
799    OMX_INOUT  OMX_TUNNELSETUPTYPE* pTunnelSetup)
800{
801    ComponentBase *cbase;
802
803    if (!hComponent)
804        return OMX_ErrorBadParameter;
805
806    cbase = static_cast<ComponentBase *>
807        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
808    if (!cbase)
809        return OMX_ErrorBadParameter;
810
811    return cbase->CBaseComponentTunnelRequest(hComponent, nPort,
812                                              hTunneledComponent,
813                                              nTunneledPort, pTunnelSetup);
814}
815
816OMX_ERRORTYPE ComponentBase::CBaseComponentTunnelRequest(
817    OMX_IN  OMX_HANDLETYPE hComp,
818    OMX_IN  OMX_U32 nPort,
819    OMX_IN  OMX_HANDLETYPE hTunneledComp,
820    OMX_IN  OMX_U32 nTunneledPort,
821    OMX_INOUT  OMX_TUNNELSETUPTYPE* pTunnelSetup)
822{
823    /*
824     * Todo
825     */
826
827    return OMX_ErrorNotImplemented;
828}
829
830OMX_ERRORTYPE ComponentBase::UseBuffer(
831    OMX_IN OMX_HANDLETYPE hComponent,
832    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBufferHdr,
833    OMX_IN OMX_U32 nPortIndex,
834    OMX_IN OMX_PTR pAppPrivate,
835    OMX_IN OMX_U32 nSizeBytes,
836    OMX_IN OMX_U8 *pBuffer)
837{
838    ComponentBase *cbase;
839
840    if (!hComponent)
841        return OMX_ErrorBadParameter;
842
843    cbase = static_cast<ComponentBase *>
844        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
845    if (!cbase)
846        return OMX_ErrorBadParameter;
847
848    return cbase->CBaseUseBuffer(hComponent, ppBufferHdr, nPortIndex,
849                                 pAppPrivate, nSizeBytes, pBuffer);
850}
851
852OMX_ERRORTYPE ComponentBase::CBaseUseBuffer(
853    OMX_IN OMX_HANDLETYPE hComponent,
854    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBufferHdr,
855    OMX_IN OMX_U32 nPortIndex,
856    OMX_IN OMX_PTR pAppPrivate,
857    OMX_IN OMX_U32 nSizeBytes,
858    OMX_IN OMX_U8 *pBuffer)
859{
860    PortBase *port = NULL;
861    OMX_ERRORTYPE ret;
862
863    if (hComponent != handle)
864        return OMX_ErrorBadParameter;
865
866    if (!ppBufferHdr)
867        return OMX_ErrorBadParameter;
868    *ppBufferHdr = NULL;
869
870    if (!pBuffer)
871        return OMX_ErrorBadParameter;
872
873    if (ports)
874        if (nPortIndex < nr_ports)
875            port = ports[nPortIndex];
876
877    if (!port)
878        return OMX_ErrorBadParameter;
879
880    if (port->IsEnabled()) {
881        if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
882            return OMX_ErrorIncorrectStateOperation;
883    }
884
885    return port->UseBuffer(ppBufferHdr, nPortIndex, pAppPrivate, nSizeBytes,
886                           pBuffer);
887}
888
889OMX_ERRORTYPE ComponentBase::AllocateBuffer(
890    OMX_IN OMX_HANDLETYPE hComponent,
891    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBuffer,
892    OMX_IN OMX_U32 nPortIndex,
893    OMX_IN OMX_PTR pAppPrivate,
894    OMX_IN OMX_U32 nSizeBytes)
895{
896    ComponentBase *cbase;
897
898    if (!hComponent)
899        return OMX_ErrorBadParameter;
900
901    cbase = static_cast<ComponentBase *>
902        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
903    if (!cbase)
904        return OMX_ErrorBadParameter;
905
906    return cbase->CBaseAllocateBuffer(hComponent, ppBuffer, nPortIndex,
907                                      pAppPrivate, nSizeBytes);
908}
909
910OMX_ERRORTYPE ComponentBase::CBaseAllocateBuffer(
911    OMX_IN OMX_HANDLETYPE hComponent,
912    OMX_INOUT OMX_BUFFERHEADERTYPE **ppBuffer,
913    OMX_IN OMX_U32 nPortIndex,
914    OMX_IN OMX_PTR pAppPrivate,
915    OMX_IN OMX_U32 nSizeBytes)
916{
917    PortBase *port = NULL;
918    OMX_ERRORTYPE ret;
919
920    if (hComponent != handle)
921        return OMX_ErrorBadParameter;
922
923    if (!ppBuffer)
924        return OMX_ErrorBadParameter;
925    *ppBuffer = NULL;
926
927    if (ports)
928        if (nPortIndex < nr_ports)
929            port = ports[nPortIndex];
930
931    if (!port)
932        return OMX_ErrorBadParameter;
933
934    if (port->IsEnabled()) {
935        if (state != OMX_StateLoaded && state != OMX_StateWaitForResources)
936            return OMX_ErrorIncorrectStateOperation;
937    }
938
939    return port->AllocateBuffer(ppBuffer, nPortIndex, pAppPrivate, nSizeBytes);
940}
941
942OMX_ERRORTYPE ComponentBase::FreeBuffer(
943    OMX_IN  OMX_HANDLETYPE hComponent,
944    OMX_IN  OMX_U32 nPortIndex,
945    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
946{
947    ComponentBase *cbase;
948
949    if (!hComponent)
950        return OMX_ErrorBadParameter;
951
952    cbase = static_cast<ComponentBase *>
953        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
954    if (!cbase)
955        return OMX_ErrorBadParameter;
956
957    return cbase->CBaseFreeBuffer(hComponent, nPortIndex, pBuffer);
958}
959
960OMX_ERRORTYPE ComponentBase::CBaseFreeBuffer(
961    OMX_IN  OMX_HANDLETYPE hComponent,
962    OMX_IN  OMX_U32 nPortIndex,
963    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
964{
965    PortBase *port = NULL;
966    OMX_ERRORTYPE ret;
967
968    if (hComponent != handle)
969        return OMX_ErrorBadParameter;
970
971    if (!pBuffer)
972        return OMX_ErrorBadParameter;
973
974    if (ports)
975        if (nPortIndex < nr_ports)
976            port = ports[nPortIndex];
977
978    if (!port)
979        return OMX_ErrorBadParameter;
980
981    return port->FreeBuffer(nPortIndex, pBuffer);
982}
983
984OMX_ERRORTYPE ComponentBase::EmptyThisBuffer(
985    OMX_IN  OMX_HANDLETYPE hComponent,
986    OMX_IN  OMX_BUFFERHEADERTYPE* pBuffer)
987{
988    ComponentBase *cbase;
989
990    if (!hComponent)
991        return OMX_ErrorBadParameter;
992
993    cbase = static_cast<ComponentBase *>
994        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
995    if (!cbase)
996        return OMX_ErrorBadParameter;
997
998    return cbase->CBaseEmptyThisBuffer(hComponent, pBuffer);
999}
1000
1001OMX_ERRORTYPE ComponentBase::CBaseEmptyThisBuffer(
1002    OMX_IN  OMX_HANDLETYPE hComponent,
1003    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
1004{
1005    PortBase *port = NULL;
1006    OMX_U32 port_index;
1007    OMX_ERRORTYPE ret;
1008
1009    if ((hComponent != handle) || !pBuffer)
1010        return OMX_ErrorBadParameter;
1011
1012    port_index = pBuffer->nInputPortIndex;
1013    if (port_index == (OMX_U32)-1)
1014        return OMX_ErrorBadParameter;
1015
1016    if (ports)
1017        if (port_index < nr_ports)
1018            port = ports[port_index];
1019
1020    if (!port)
1021        return OMX_ErrorBadParameter;
1022
1023    if (port->IsEnabled()) {
1024        if (state != OMX_StateIdle && state != OMX_StateExecuting &&
1025            state != OMX_StatePause)
1026            return OMX_ErrorIncorrectStateOperation;
1027    }
1028
1029    ret = port->PushThisBuffer(pBuffer);
1030    if (ret == OMX_ErrorNone)
1031        bufferwork->ScheduleWork(this);
1032
1033    return ret;
1034}
1035
1036OMX_ERRORTYPE ComponentBase::FillThisBuffer(
1037    OMX_IN  OMX_HANDLETYPE hComponent,
1038    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
1039{
1040    ComponentBase *cbase;
1041
1042
1043    if (!hComponent)
1044        return OMX_ErrorBadParameter;
1045
1046    cbase = static_cast<ComponentBase *>
1047        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1048    if (!cbase)
1049        return OMX_ErrorBadParameter;
1050
1051    return cbase->CBaseFillThisBuffer(hComponent, pBuffer);
1052}
1053
1054OMX_ERRORTYPE ComponentBase::CBaseFillThisBuffer(
1055    OMX_IN  OMX_HANDLETYPE hComponent,
1056    OMX_IN  OMX_BUFFERHEADERTYPE *pBuffer)
1057{
1058    PortBase *port = NULL;
1059    OMX_U32 port_index;
1060    OMX_ERRORTYPE ret;
1061
1062    if ((hComponent != handle) || !pBuffer)
1063        return OMX_ErrorBadParameter;
1064
1065    port_index = pBuffer->nOutputPortIndex;
1066    if (port_index == (OMX_U32)-1)
1067        return OMX_ErrorBadParameter;
1068
1069    if (ports)
1070        if (port_index < nr_ports)
1071            port = ports[port_index];
1072
1073    if (!port)
1074        return OMX_ErrorBadParameter;
1075
1076    if (port->IsEnabled()) {
1077        if (state != OMX_StateIdle && state != OMX_StateExecuting &&
1078            state != OMX_StatePause)
1079            return OMX_ErrorIncorrectStateOperation;
1080    }
1081
1082    ret = port->PushThisBuffer(pBuffer);
1083    if (ret == OMX_ErrorNone)
1084        bufferwork->ScheduleWork(this);
1085
1086    return ret;
1087}
1088
1089OMX_ERRORTYPE ComponentBase::SetCallbacks(
1090    OMX_IN  OMX_HANDLETYPE hComponent,
1091    OMX_IN  OMX_CALLBACKTYPE* pCallbacks,
1092    OMX_IN  OMX_PTR pAppData)
1093{
1094    ComponentBase *cbase;
1095
1096    if (!hComponent)
1097        return OMX_ErrorBadParameter;
1098
1099    cbase = static_cast<ComponentBase *>
1100        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1101    if (!cbase)
1102        return OMX_ErrorBadParameter;
1103
1104    return cbase->CBaseSetCallbacks(hComponent, pCallbacks, pAppData);
1105}
1106
1107OMX_ERRORTYPE ComponentBase::CBaseSetCallbacks(
1108    OMX_IN  OMX_HANDLETYPE hComponent,
1109    OMX_IN  OMX_CALLBACKTYPE *pCallbacks,
1110    OMX_IN  OMX_PTR pAppData)
1111{
1112    if (hComponent != handle)
1113        return OMX_ErrorBadParameter;
1114
1115    appdata = pAppData;
1116    callbacks = pCallbacks;
1117
1118    return OMX_ErrorNone;
1119}
1120
1121OMX_ERRORTYPE ComponentBase::ComponentDeInit(
1122    OMX_IN  OMX_HANDLETYPE hComponent)
1123{
1124    ComponentBase *cbase;
1125
1126    if (!hComponent)
1127        return OMX_ErrorBadParameter;
1128
1129    cbase = static_cast<ComponentBase *>
1130        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1131    if (!cbase)
1132        return OMX_ErrorBadParameter;
1133
1134    return cbase->CBaseComponentDeInit(hComponent);
1135}
1136
1137OMX_ERRORTYPE ComponentBase::CBaseComponentDeInit(
1138    OMX_IN  OMX_HANDLETYPE hComponent)
1139{
1140    /*
1141     * Todo
1142     */
1143
1144    return OMX_ErrorNotImplemented;
1145}
1146
1147OMX_ERRORTYPE ComponentBase::UseEGLImage(
1148    OMX_IN OMX_HANDLETYPE hComponent,
1149    OMX_INOUT OMX_BUFFERHEADERTYPE** ppBufferHdr,
1150    OMX_IN OMX_U32 nPortIndex,
1151    OMX_IN OMX_PTR pAppPrivate,
1152    OMX_IN void* eglImage)
1153{
1154    ComponentBase *cbase;
1155
1156    if (!hComponent)
1157        return OMX_ErrorBadParameter;
1158
1159    cbase = static_cast<ComponentBase *>
1160        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1161    if (!cbase)
1162        return OMX_ErrorBadParameter;
1163
1164    return cbase->CBaseUseEGLImage(hComponent, ppBufferHdr, nPortIndex,
1165                                   pAppPrivate, eglImage);
1166}
1167
1168OMX_ERRORTYPE ComponentBase::CBaseUseEGLImage(
1169    OMX_IN OMX_HANDLETYPE hComponent,
1170    OMX_INOUT OMX_BUFFERHEADERTYPE** ppBufferHdr,
1171    OMX_IN OMX_U32 nPortIndex,
1172    OMX_IN OMX_PTR pAppPrivate,
1173    OMX_IN void* eglImage)
1174{
1175    /*
1176     * Todo
1177     */
1178
1179    return OMX_ErrorNotImplemented;
1180}
1181
1182OMX_ERRORTYPE ComponentBase::ComponentRoleEnum(
1183    OMX_IN OMX_HANDLETYPE hComponent,
1184    OMX_OUT OMX_U8 *cRole,
1185    OMX_IN OMX_U32 nIndex)
1186{
1187    ComponentBase *cbase;
1188
1189    if (!hComponent)
1190        return OMX_ErrorBadParameter;
1191
1192    cbase = static_cast<ComponentBase *>
1193        (((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
1194    if (!cbase)
1195        return OMX_ErrorBadParameter;
1196
1197    return cbase->CBaseComponentRoleEnum(hComponent, cRole, nIndex);
1198}
1199
1200OMX_ERRORTYPE ComponentBase::CBaseComponentRoleEnum(
1201    OMX_IN OMX_HANDLETYPE hComponent,
1202    OMX_OUT OMX_U8 *cRole,
1203    OMX_IN OMX_U32 nIndex)
1204{
1205    if (hComponent != (OMX_HANDLETYPE *)this->handle)
1206        return OMX_ErrorBadParameter;
1207
1208    if (nIndex > nr_roles)
1209        return OMX_ErrorBadParameter;
1210
1211    strncpy((char *)cRole, (const char *)roles[nIndex],
1212            OMX_MAX_STRINGNAME_SIZE);
1213    return OMX_ErrorNone;
1214}
1215
1216/* implement CmdHandlerInterface */
1217void ComponentBase::CmdHandler(struct cmd_s *cmd)
1218{
1219    switch (cmd->cmd) {
1220    case OMX_CommandStateSet: {
1221        OMX_STATETYPE transition = (OMX_STATETYPE)cmd->param1;
1222
1223        TransState(transition);
1224        break;
1225    }
1226    case OMX_CommandFlush:
1227        /*
1228         * Todo
1229         */
1230        break;
1231    case OMX_CommandPortDisable:
1232        /*
1233         * Todo
1234         */
1235        break;
1236    case OMX_CommandPortEnable:
1237        /*
1238         * Todo
1239         */
1240        break;
1241    case OMX_CommandMarkBuffer:
1242        /*
1243         * Todo
1244         */
1245        break;
1246    } /* switch */
1247}
1248
1249/*
1250 * SendCommand:OMX_CommandStateSet
1251 * called in CmdHandler or called in other parts of component for reporting
1252 * internal error (OMX_StateInvalid).
1253 */
1254/*
1255 * Todo
1256 *   Resource Management (OMX_StateWaitForResources)
1257 *   for now, we never notify OMX_ErrorInsufficientResources,
1258 *   so IL client doesn't try to set component' state OMX_StateWaitForResources
1259 */
1260static const char *state_name[OMX_StateWaitForResources + 1] = {
1261    "OMX_StateInvalid",
1262    "OMX_StateLoaded",
1263    "OMX_StateIdle",
1264    "OMX_StateExecuting",
1265    "OMX_StatePause",
1266    "OMX_StateWaitForResources",
1267};
1268
1269static inline const char *GetStateName(OMX_STATETYPE state)
1270{
1271    if (state > OMX_StateWaitForResources)
1272        return "UnKnown";
1273
1274    return state_name[state];
1275}
1276
1277void ComponentBase::TransState(OMX_STATETYPE transition)
1278{
1279    OMX_STATETYPE current = this->state;
1280    OMX_EVENTTYPE event;
1281    OMX_U32 data1, data2;
1282    OMX_ERRORTYPE ret;
1283
1284    LOGD("current state = %s, transition state = %s\n",
1285         GetStateName(current), GetStateName(transition));
1286
1287    /* same state */
1288    if (current == transition) {
1289        ret = OMX_ErrorSameState;
1290        goto notify_event;
1291    }
1292
1293    /* invalid state */
1294    if (current == OMX_StateInvalid) {
1295        ret = OMX_ErrorInvalidState;
1296        goto notify_event;
1297    }
1298
1299    if (transition == OMX_StateLoaded)
1300        ret = TransStateToLoaded(current);
1301    else if (transition == OMX_StateIdle)
1302        ret = TransStateToIdle(current);
1303    else if (transition == OMX_StateExecuting)
1304        ret = TransStateToExecuting(current);
1305    else if (transition == OMX_StatePause)
1306        ret = TransStateToPause(current);
1307    else if (transition == OMX_StateInvalid)
1308        ret = TransStateToInvalid(current);
1309    else if (transition == OMX_StateWaitForResources)
1310        ret = TransStateToWaitForResources(current);
1311    else
1312        ret = OMX_ErrorIncorrectStateTransition;
1313
1314notify_event:
1315    if (ret == OMX_ErrorNone) {
1316        event = OMX_EventCmdComplete;
1317        data1 = OMX_CommandStateSet;
1318        data2 = transition;
1319
1320        state = transition;
1321        LOGD("transition from %s to %s completed\n",
1322             GetStateName(current), GetStateName(transition));
1323    }
1324    else {
1325        event = OMX_EventError;
1326        data1 = ret;
1327        data2 = 0;
1328
1329        if (transition == OMX_StateInvalid) {
1330            state = transition;
1331            LOGD("transition from %s to %s completed\n",
1332                 GetStateName(current), GetStateName(transition));
1333        }
1334    }
1335
1336    callbacks->EventHandler(handle, appdata, event, data1, data2, NULL);
1337
1338    /* WaitForResources workaround */
1339    if (ret == OMX_ErrorNone && transition == OMX_StateWaitForResources)
1340        callbacks->EventHandler(handle, appdata,
1341                                OMX_EventResourcesAcquired, 0, 0, NULL);
1342}
1343
1344inline OMX_ERRORTYPE ComponentBase::TransStateToLoaded(OMX_STATETYPE current)
1345{
1346    OMX_ERRORTYPE ret;
1347
1348    if (current == OMX_StateIdle) {
1349        /*
1350         * Todo
1351         *   1. waits for completion of deallocation on each port
1352         *      wokeup by FreeBuffer()
1353         *   2. deinitialize buffer process work
1354         *   3. deinitialize component's internal processor
1355         *      (ex. deinitialize sw/hw codec)
1356         */
1357        OMX_U32 i;
1358
1359        for (i = 0; i < nr_ports; i++)
1360            ports[i]->WaitPortBufferCompletion();
1361
1362        ret = OMX_ErrorNone;
1363    }
1364    else if (current == OMX_StateWaitForResources) {
1365        LOGE("state transition's requested from WaitForResources to "
1366             "Loaded\n");
1367
1368        /*
1369         * from WaitForResources to Loaded considered from Loaded to Loaded.
1370         * do nothing
1371         */
1372
1373        ret = OMX_ErrorNone;
1374    }
1375    else
1376        ret = OMX_ErrorIncorrectStateOperation;
1377
1378    return ret;
1379}
1380
1381inline OMX_ERRORTYPE ComponentBase::TransStateToIdle(OMX_STATETYPE current)
1382{
1383    OMX_ERRORTYPE ret;
1384
1385    if (current == OMX_StateLoaded) {
1386        /*
1387         * Todo
1388         *   1. waits for completion of allocation on each port.
1389         *      wokeup by Allocate/UseBuffer()
1390         *   2. initialize buffer process work.
1391         *   3. initialize component's internal processor.
1392         *      (ex. initialize sw/hw codec)
1393         */
1394        OMX_U32 i;
1395
1396        for (i = 0; i < nr_ports; i++)
1397            ports[i]->WaitPortBufferCompletion();
1398
1399        ret = OMX_ErrorNone;
1400    }
1401    else if (current == OMX_StateExecuting) {
1402        /*
1403         * Todo
1404         *   1. returns all buffers to thier suppliers.         !
1405         *      call Fill/EmptyBufferDone() for all ports
1406         *   2. stop buffer process work                        !
1407         *   3. stop component's internal processor
1408         */
1409        OMX_U32 i;
1410
1411        pthread_mutex_lock(&ports_block);
1412        for (i = 0; i < nr_ports; i++) {
1413            ports[i]->FlushPort();
1414        }
1415        pthread_mutex_unlock(&ports_block);
1416
1417        bufferwork->StopWork();
1418
1419        ret = OMX_ErrorNone;
1420    }
1421    else if (current == OMX_StatePause) {
1422        /*
1423         * Todo
1424         *   1. returns all buffers to thier suppliers.         !
1425         *      call Fill/EmptyBufferDone() for all ports
1426         *   2. discard queued work, stop buffer process work   !
1427         *   3. stop component's internal processor
1428         */
1429        OMX_U32 i;
1430
1431        pthread_mutex_lock(&ports_block);
1432        for (i = 0; i < nr_ports; i++) {
1433            ports[i]->FlushPort();
1434        }
1435        pthread_mutex_unlock(&ports_block);
1436
1437        bufferwork->CancelScheduledWork(this);
1438        bufferwork->StopWork();
1439
1440        ret = OMX_ErrorNone;
1441    }
1442    else if (current == OMX_StateWaitForResources) {
1443        LOGE("state transition's requested from WaitForResources to Idle\n");
1444
1445        /* same as Loaded to Idle BUT DO NOTHING for now */
1446
1447        ret = OMX_ErrorNone;
1448    }
1449    else
1450        ret = OMX_ErrorIncorrectStateOperation;
1451
1452    return ret;
1453}
1454
1455inline OMX_ERRORTYPE
1456ComponentBase::TransStateToExecuting(OMX_STATETYPE current)
1457{
1458    OMX_ERRORTYPE ret;
1459
1460    if (current == OMX_StateIdle) {
1461        /*
1462         * Todo
1463         *   1. start component's internal processor
1464         *   2. start processing buffers on each port   !
1465         */
1466
1467        pthread_mutex_lock(&executing_lock);
1468        executing = true;
1469        pthread_mutex_unlock(&executing_lock);
1470
1471        bufferwork->StartWork();
1472        ret = OMX_ErrorNone;
1473    }
1474    else if (current == OMX_StatePause) {
1475        /*
1476         * Todo
1477         *   1. resume component's internal processor
1478         *   2. resume buffer process work              !
1479         */
1480
1481        pthread_mutex_lock(&executing_lock);
1482        executing = true;
1483        pthread_cond_signal(&executing_wait);
1484        pthread_mutex_unlock(&executing_lock);
1485
1486        ret = OMX_ErrorNone;
1487    }
1488    else
1489        ret = OMX_ErrorIncorrectStateOperation;
1490
1491    return ret;
1492}
1493
1494inline OMX_ERRORTYPE ComponentBase::TransStateToPause(OMX_STATETYPE current)
1495{
1496    OMX_ERRORTYPE ret;
1497
1498    if (current == OMX_StateIdle) {
1499        /*
1500         * Todo
1501         *   1. start(paused) component's internal processor
1502         *   2. start(paused) processing buffers on each port   !
1503         */
1504
1505        /* turn off executing flag */
1506        pthread_mutex_lock(&executing_lock);
1507        executing = false;
1508        pthread_mutex_unlock(&executing_lock);
1509
1510        bufferwork->StartWork();
1511
1512        ret = OMX_ErrorNone;
1513    }
1514    else if (current == OMX_StateExecuting) {
1515        /*
1516         * Todo
1517         *   1. pause buffer process work               !
1518         *   2. pause component's internal processor
1519         */
1520
1521        pthread_mutex_lock(&executing_lock);
1522        executing = false;
1523        pthread_mutex_unlock(&executing_lock);
1524
1525        ret = OMX_ErrorNone;
1526    }
1527    else
1528        ret = OMX_ErrorIncorrectStateOperation;
1529
1530    return ret;
1531}
1532
1533inline OMX_ERRORTYPE ComponentBase::TransStateToInvalid(OMX_STATETYPE current)
1534{
1535    OMX_ERRORTYPE ret = OMX_ErrorInvalidState;
1536
1537    /*
1538     * Todo
1539     *   graceful escape
1540     */
1541
1542    return ret;
1543}
1544
1545inline OMX_ERRORTYPE
1546ComponentBase::TransStateToWaitForResources(OMX_STATETYPE current)
1547{
1548    OMX_ERRORTYPE ret;
1549
1550    if (current == OMX_StateLoaded) {
1551        LOGE("state transition's requested from Loaded to WaitForResources\n");
1552        ret = OMX_ErrorNone;
1553    }
1554    else
1555        ret = OMX_ErrorIncorrectStateOperation;
1556
1557    return ret;
1558}
1559
1560/* set working role */
1561OMX_ERRORTYPE ComponentBase::SetWorkingRole(const OMX_STRING role)
1562{
1563    OMX_U32 i;
1564
1565    if (state != OMX_StateUnloaded && state != OMX_StateLoaded)
1566        return OMX_ErrorIncorrectStateOperation;
1567
1568    if (!role) {
1569        working_role = NULL;
1570        return OMX_ErrorNone;
1571    }
1572
1573    for (i = 0; i < nr_roles; i++) {
1574        if (!strcmp((char *)&roles[i][0], role)) {
1575            working_role = (OMX_STRING)&roles[i][0];
1576            return OMX_ErrorNone;
1577        }
1578    }
1579
1580    LOGE("cannot find %s role in %s\n", role, name);
1581    return OMX_ErrorBadParameter;
1582}
1583
1584/* apply a working role for a component having multiple roles */
1585OMX_ERRORTYPE ComponentBase::ApplyWorkingRole(void)
1586{
1587    OMX_U32 i;
1588    OMX_ERRORTYPE ret;
1589
1590    if (state != OMX_StateUnloaded && state != OMX_StateLoaded)
1591        return OMX_ErrorIncorrectStateOperation;
1592
1593    if (!working_role)
1594        return OMX_ErrorBadParameter;
1595
1596    if (!callbacks || !appdata)
1597        return OMX_ErrorBadParameter;
1598
1599    ret = AllocatePorts();
1600    if (ret != OMX_ErrorNone) {
1601        LOGE("failed to AllocatePorts() (ret = 0x%08x)\n", ret);
1602        return ret;
1603    }
1604
1605    /* now we can access ports */
1606    for (i = 0; i < nr_ports; i++) {
1607        ports[i]->SetOwner(handle);
1608        ports[i]->SetCallbacks(handle, callbacks, appdata);
1609    }
1610
1611    return OMX_ErrorNone;
1612}
1613
1614OMX_ERRORTYPE ComponentBase::AllocatePorts(void)
1615{
1616    OMX_ERRORTYPE ret;
1617
1618    if (ports)
1619        return OMX_ErrorBadParameter;
1620
1621    ret = ComponentAllocatePorts();
1622    if (ret != OMX_ErrorNone) {
1623        LOGE("failed to %s::ComponentAllocatePorts(), ret = 0x%08x\n",
1624             name, ret);
1625        return ret;
1626    }
1627
1628    return OMX_ErrorNone;
1629}
1630
1631/* called int FreeHandle() */
1632OMX_ERRORTYPE ComponentBase::FreePorts(void)
1633{
1634    if (ports) {
1635        OMX_U32 i, this_nr_ports = this->nr_ports;
1636
1637        for (i = 0; i < this_nr_ports; i++) {
1638            if (ports[i]) {
1639                delete ports[i];
1640                ports[i] = NULL;
1641            }
1642        }
1643        delete []ports;
1644        ports = NULL;
1645    }
1646
1647    return OMX_ErrorNone;
1648}
1649
1650/* buffer processing */
1651/* implement WorkableInterface */
1652void ComponentBase::Work(void)
1653{
1654    OMX_BUFFERHEADERTYPE **buffers = NULL;
1655    OMX_U32 i;
1656    bool avail = false;
1657
1658    pthread_mutex_lock(&executing_lock);
1659    if (!executing)
1660        pthread_cond_wait(&executing_wait, &executing_lock);
1661    pthread_mutex_unlock(&executing_lock);
1662
1663    pthread_mutex_lock(&ports_block);
1664
1665    avail = IsAllBufferAvailable();
1666    if (avail) {
1667        buffers = (OMX_BUFFERHEADERTYPE **)
1668            calloc(nr_ports, sizeof(OMX_BUFFERHEADERTYPE *));
1669        if (!buffers) {
1670            bufferwork->ScheduleWork(this);
1671            return;
1672        }
1673
1674        for (i = 0; i < nr_ports; i++)
1675            buffers[i] = ports[i]->PopBuffer();
1676    }
1677    ScheduleIfAllBufferAvailable();
1678
1679    pthread_mutex_unlock(&ports_block);
1680
1681    if (buffers) {
1682        ComponentProcessBuffers(buffers, nr_ports);
1683
1684        free(buffers);
1685        buffers = NULL;
1686    }
1687}
1688
1689bool ComponentBase::IsAllBufferAvailable(void)
1690{
1691    OMX_U32 i;
1692    OMX_U32 nr_avail = 0;
1693
1694    for (i = 0; i < nr_ports; i++) {
1695        OMX_U32 length;
1696
1697        length = ports[i]->BufferQueueLength();
1698        if (length)
1699            nr_avail++;
1700    }
1701
1702    if (nr_avail == nr_ports)
1703        return true;
1704    else
1705        return false;
1706}
1707
1708void ComponentBase::ScheduleIfAllBufferAvailable(void)
1709{
1710    bool avail;
1711
1712    avail = IsAllBufferAvailable();
1713    if (avail)
1714        bufferwork->ScheduleWork(this);
1715}
1716
1717/* end of component methods & helpers */
1718
1719/*
1720 * omx header manipuation
1721 */
1722void ComponentBase::SetTypeHeader(OMX_PTR type, OMX_U32 size)
1723{
1724    OMX_U32 *nsize;
1725    OMX_VERSIONTYPE *nversion;
1726
1727    if (!type)
1728        return;
1729
1730    nsize = (OMX_U32 *)type;
1731    nversion = (OMX_VERSIONTYPE *)((OMX_U8 *)type + sizeof(OMX_U32));
1732
1733    *nsize = size;
1734    nversion->nVersion = OMX_SPEC_VERSION;
1735}
1736
1737OMX_ERRORTYPE ComponentBase::CheckTypeHeader(OMX_PTR type, OMX_U32 size)
1738{
1739    OMX_U32 *nsize;
1740    OMX_VERSIONTYPE *nversion;
1741
1742    if (!type)
1743        return OMX_ErrorBadParameter;
1744
1745    nsize = (OMX_U32 *)type;
1746    nversion = (OMX_VERSIONTYPE *)((OMX_U8 *)type + sizeof(OMX_U32));
1747
1748    if (*nsize != size)
1749        return OMX_ErrorBadParameter;
1750
1751    if (nversion->nVersion != OMX_SPEC_VERSION)
1752        return OMX_ErrorVersionMismatch;
1753
1754    return OMX_ErrorNone;
1755}
1756
1757/*
1758 * query_roles helper
1759 */
1760OMX_ERRORTYPE ComponentBase::QueryRolesHelper(
1761    OMX_U32 nr_comp_roles,
1762    const OMX_U8 **comp_roles,
1763    OMX_U32 *nr_roles, OMX_U8 **roles)
1764{
1765    OMX_U32 i;
1766
1767    if (!roles) {
1768        *nr_roles = nr_comp_roles;
1769        return OMX_ErrorNone;
1770    }
1771
1772    if (!nr_roles || (*nr_roles != nr_comp_roles) || !roles)
1773        return OMX_ErrorBadParameter;
1774
1775    for (i = 0; i < nr_comp_roles; i++) {
1776        if (!roles[i])
1777            break;
1778
1779        strncpy((OMX_STRING)&roles[i][0],
1780                (const OMX_STRING)&comp_roles[i][0], OMX_MAX_STRINGNAME_SIZE);
1781    }
1782
1783    if (i != nr_comp_roles)
1784        return OMX_ErrorBadParameter;
1785
1786    *nr_roles = nr_comp_roles;
1787    return OMX_ErrorNone;
1788}
1789
1790/* end of ComponentBase */
1791