OMXNodeInstance.cpp revision a0dac9e24ae7520cb7d7f0505bf0936bffbcd047 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "OMXNodeInstance"
19#include <utils/Log.h>
20
21#include "../include/OMXNodeInstance.h"
22#include "OMXMaster.h"
23
24#include <OMX_Component.h>
25
26#include <binder/IMemory.h>
27#include <media/stagefright/HardwareAPI.h>
28#include <media/stagefright/MediaDebug.h>
29#include <media/stagefright/MediaErrors.h>
30
31namespace android {
32
33struct BufferMeta {
34    BufferMeta(const sp<IMemory> &mem, bool is_backup = false)
35        : mMem(mem),
36          mIsBackup(is_backup) {
37    }
38
39    BufferMeta(size_t size)
40        : mSize(size),
41          mIsBackup(false) {
42    }
43
44    BufferMeta(const sp<GraphicBuffer> &graphicBuffer)
45        : mGraphicBuffer(graphicBuffer),
46          mIsBackup(false) {
47    }
48
49    void CopyFromOMX(const OMX_BUFFERHEADERTYPE *header) {
50        if (!mIsBackup) {
51            return;
52        }
53
54        memcpy((OMX_U8 *)mMem->pointer() + header->nOffset,
55               header->pBuffer + header->nOffset,
56               header->nFilledLen);
57    }
58
59    void CopyToOMX(const OMX_BUFFERHEADERTYPE *header) {
60        if (!mIsBackup) {
61            return;
62        }
63
64        memcpy(header->pBuffer + header->nOffset,
65               (const OMX_U8 *)mMem->pointer() + header->nOffset,
66               header->nFilledLen);
67    }
68
69private:
70    sp<GraphicBuffer> mGraphicBuffer;
71    sp<IMemory> mMem;
72    size_t mSize;
73    bool mIsBackup;
74
75    BufferMeta(const BufferMeta &);
76    BufferMeta &operator=(const BufferMeta &);
77};
78
79// static
80OMX_CALLBACKTYPE OMXNodeInstance::kCallbacks = {
81    &OnEvent, &OnEmptyBufferDone, &OnFillBufferDone
82};
83
84OMXNodeInstance::OMXNodeInstance(
85        OMX *owner, const sp<IOMXObserver> &observer)
86    : mOwner(owner),
87      mNodeID(NULL),
88      mHandle(NULL),
89      mObserver(observer),
90      mDying(false) {
91}
92
93OMXNodeInstance::~OMXNodeInstance() {
94    CHECK_EQ(mHandle, NULL);
95}
96
97void OMXNodeInstance::setHandle(OMX::node_id node_id, OMX_HANDLETYPE handle) {
98    CHECK_EQ(mHandle, NULL);
99    mNodeID = node_id;
100    mHandle = handle;
101}
102
103OMX *OMXNodeInstance::owner() {
104    return mOwner;
105}
106
107sp<IOMXObserver> OMXNodeInstance::observer() {
108    return mObserver;
109}
110
111OMX::node_id OMXNodeInstance::nodeID() {
112    return mNodeID;
113}
114
115static status_t StatusFromOMXError(OMX_ERRORTYPE err) {
116    switch (err) {
117        case OMX_ErrorNone:
118            return OK;
119        case OMX_ErrorUnsupportedSetting:
120            return ERROR_UNSUPPORTED;
121        default:
122            return UNKNOWN_ERROR;
123    }
124}
125
126status_t OMXNodeInstance::freeNode(OMXMaster *master) {
127    static int32_t kMaxNumIterations = 10;
128
129    // Transition the node from its current state all the way down
130    // to "Loaded".
131    // This ensures that all active buffers are properly freed even
132    // for components that don't do this themselves on a call to
133    // "FreeHandle".
134
135    // The code below may trigger some more events to be dispatched
136    // by the OMX component - we want to ignore them as our client
137    // does not expect them.
138    mDying = true;
139
140    OMX_STATETYPE state;
141    CHECK_EQ(OMX_GetState(mHandle, &state), OMX_ErrorNone);
142    switch (state) {
143        case OMX_StateExecuting:
144        {
145            LOGV("forcing Executing->Idle");
146            sendCommand(OMX_CommandStateSet, OMX_StateIdle);
147            OMX_ERRORTYPE err;
148            int32_t iteration = 0;
149            while ((err = OMX_GetState(mHandle, &state)) == OMX_ErrorNone
150                   && state != OMX_StateIdle
151                   && state != OMX_StateInvalid) {
152                if (++iteration > kMaxNumIterations) {
153                    LOGE("component failed to enter Idle state, aborting.");
154                    state = OMX_StateInvalid;
155                    break;
156                }
157
158                usleep(100000);
159            }
160            CHECK_EQ(err, OMX_ErrorNone);
161
162            if (state == OMX_StateInvalid) {
163                break;
164            }
165
166            // fall through
167        }
168
169        case OMX_StateIdle:
170        {
171            LOGV("forcing Idle->Loaded");
172            sendCommand(OMX_CommandStateSet, OMX_StateLoaded);
173
174            freeActiveBuffers();
175
176            OMX_ERRORTYPE err;
177            int32_t iteration = 0;
178            while ((err = OMX_GetState(mHandle, &state)) == OMX_ErrorNone
179                   && state != OMX_StateLoaded
180                   && state != OMX_StateInvalid) {
181                if (++iteration > kMaxNumIterations) {
182                    LOGE("component failed to enter Loaded state, aborting.");
183                    state = OMX_StateInvalid;
184                    break;
185                }
186
187                LOGV("waiting for Loaded state...");
188                usleep(100000);
189            }
190            CHECK_EQ(err, OMX_ErrorNone);
191
192            // fall through
193        }
194
195        case OMX_StateLoaded:
196        case OMX_StateInvalid:
197            break;
198
199        default:
200            CHECK(!"should not be here, unknown state.");
201            break;
202    }
203
204    LOGV("calling destroyComponentInstance");
205    OMX_ERRORTYPE err = master->destroyComponentInstance(
206            static_cast<OMX_COMPONENTTYPE *>(mHandle));
207    LOGV("destroyComponentInstance returned err %d", err);
208
209    mHandle = NULL;
210
211    if (err != OMX_ErrorNone) {
212        LOGE("FreeHandle FAILED with error 0x%08x.", err);
213    }
214
215    mOwner->invalidateNodeID(mNodeID);
216    mNodeID = NULL;
217
218    LOGV("OMXNodeInstance going away.");
219    delete this;
220
221    return StatusFromOMXError(err);
222}
223
224status_t OMXNodeInstance::sendCommand(
225        OMX_COMMANDTYPE cmd, OMX_S32 param) {
226    Mutex::Autolock autoLock(mLock);
227
228    OMX_ERRORTYPE err = OMX_SendCommand(mHandle, cmd, param, NULL);
229    return StatusFromOMXError(err);
230}
231
232status_t OMXNodeInstance::getParameter(
233        OMX_INDEXTYPE index, void *params, size_t size) {
234    Mutex::Autolock autoLock(mLock);
235
236    OMX_ERRORTYPE err = OMX_GetParameter(mHandle, index, params);
237
238    return StatusFromOMXError(err);
239}
240
241status_t OMXNodeInstance::setParameter(
242        OMX_INDEXTYPE index, const void *params, size_t size) {
243    Mutex::Autolock autoLock(mLock);
244
245    OMX_ERRORTYPE err = OMX_SetParameter(
246            mHandle, index, const_cast<void *>(params));
247
248    return StatusFromOMXError(err);
249}
250
251status_t OMXNodeInstance::getConfig(
252        OMX_INDEXTYPE index, void *params, size_t size) {
253    Mutex::Autolock autoLock(mLock);
254
255    OMX_ERRORTYPE err = OMX_GetConfig(mHandle, index, params);
256    return StatusFromOMXError(err);
257}
258
259status_t OMXNodeInstance::setConfig(
260        OMX_INDEXTYPE index, const void *params, size_t size) {
261    Mutex::Autolock autoLock(mLock);
262
263    OMX_ERRORTYPE err = OMX_SetConfig(
264            mHandle, index, const_cast<void *>(params));
265
266    return StatusFromOMXError(err);
267}
268
269status_t OMXNodeInstance::enableGraphicBuffers(
270        OMX_U32 portIndex, OMX_BOOL enable) {
271    Mutex::Autolock autoLock(mLock);
272
273    OMX_INDEXTYPE index;
274    OMX_ERRORTYPE err = OMX_GetExtensionIndex(
275            mHandle,
276            const_cast<OMX_STRING>("OMX.google.android.index.enableAndroidNativeBuffers"),
277            &index);
278
279    if (err != OMX_ErrorNone) {
280        LOGE("OMX_GetExtensionIndex failed");
281
282        return StatusFromOMXError(err);
283    }
284
285    OMX_VERSIONTYPE ver;
286    ver.s.nVersionMajor = 1;
287    ver.s.nVersionMinor = 0;
288    ver.s.nRevision = 0;
289    ver.s.nStep = 0;
290    EnableAndroidNativeBuffersParams params = {
291        sizeof(EnableAndroidNativeBuffersParams), ver, portIndex, enable,
292    };
293
294    err = OMX_SetParameter(mHandle, index, &params);
295
296    if (err != OMX_ErrorNone) {
297        LOGE("OMX_EnableAndroidNativeBuffers failed with error %d (0x%08x)",
298                err, err);
299
300        return UNKNOWN_ERROR;
301    }
302
303    return OK;
304}
305
306status_t OMXNodeInstance::getGraphicBufferUsage(
307        OMX_U32 portIndex, OMX_U32* usage) {
308    Mutex::Autolock autoLock(mLock);
309
310    OMX_INDEXTYPE index;
311    OMX_ERRORTYPE err = OMX_GetExtensionIndex(
312            mHandle,
313            const_cast<OMX_STRING>(
314                    "OMX.google.android.index.getAndroidNativeBufferUsage"),
315            &index);
316
317    if (err != OMX_ErrorNone) {
318        LOGE("OMX_GetExtensionIndex failed");
319
320        return StatusFromOMXError(err);
321    }
322
323    OMX_VERSIONTYPE ver;
324    ver.s.nVersionMajor = 1;
325    ver.s.nVersionMinor = 0;
326    ver.s.nRevision = 0;
327    ver.s.nStep = 0;
328    GetAndroidNativeBufferUsageParams params = {
329        sizeof(GetAndroidNativeBufferUsageParams), ver, portIndex, 0,
330    };
331
332    err = OMX_GetParameter(mHandle, index, &params);
333
334    if (err != OMX_ErrorNone) {
335        LOGE("OMX_GetAndroidNativeBufferUsage failed with error %d (0x%08x)",
336                err, err);
337        return UNKNOWN_ERROR;
338    }
339
340    *usage = params.nUsage;
341
342    return OK;
343}
344
345status_t OMXNodeInstance::storeMetaDataInBuffers(
346        OMX_U32 portIndex,
347        OMX_BOOL enable) {
348    Mutex::Autolock autolock(mLock);
349
350    OMX_INDEXTYPE index;
351    OMX_STRING name = const_cast<OMX_STRING>(
352            "OMX.google.android.index.storeMetaDataInBuffers");
353
354    OMX_ERRORTYPE err = OMX_GetExtensionIndex(mHandle, name, &index);
355    if (err != OMX_ErrorNone) {
356        LOGE("OMX_GetExtensionIndex %s failed", name);
357        return StatusFromOMXError(err);
358    }
359
360    StoreMetaDataInBuffersParams params;
361    memset(&params, 0, sizeof(params));
362    params.nSize = sizeof(params);
363
364    // Version: 1.0.0.0
365    params.nVersion.s.nVersionMajor = 1;
366
367    params.nPortIndex = portIndex;
368    params.bStoreMetaData = enable;
369    if ((err = OMX_SetParameter(mHandle, index, &params)) != OMX_ErrorNone) {
370        LOGE("OMX_SetParameter() failed for StoreMetaDataInBuffers: 0x%08x", err);
371        return UNKNOWN_ERROR;
372    }
373    return err;
374}
375
376status_t OMXNodeInstance::useBuffer(
377        OMX_U32 portIndex, const sp<IMemory> &params,
378        OMX::buffer_id *buffer) {
379    Mutex::Autolock autoLock(mLock);
380
381    BufferMeta *buffer_meta = new BufferMeta(params);
382
383    OMX_BUFFERHEADERTYPE *header;
384
385    OMX_ERRORTYPE err = OMX_UseBuffer(
386            mHandle, &header, portIndex, buffer_meta,
387            params->size(), static_cast<OMX_U8 *>(params->pointer()));
388
389    if (err != OMX_ErrorNone) {
390        LOGE("OMX_UseBuffer failed with error %d (0x%08x)", err, err);
391
392        delete buffer_meta;
393        buffer_meta = NULL;
394
395        *buffer = 0;
396
397        return UNKNOWN_ERROR;
398    }
399
400    CHECK_EQ(header->pAppPrivate, buffer_meta);
401
402    *buffer = header;
403
404    addActiveBuffer(portIndex, *buffer);
405
406    return OK;
407}
408
409status_t OMXNodeInstance::useGraphicBuffer2_l(
410        OMX_U32 portIndex, const sp<GraphicBuffer>& graphicBuffer,
411        OMX::buffer_id *buffer) {
412
413    // port definition
414    OMX_PARAM_PORTDEFINITIONTYPE def;
415    def.nSize = sizeof(OMX_PARAM_PORTDEFINITIONTYPE);
416    def.nVersion.s.nVersionMajor = 1;
417    def.nVersion.s.nVersionMinor = 0;
418    def.nVersion.s.nRevision = 0;
419    def.nVersion.s.nStep = 0;
420    def.nPortIndex = portIndex;
421    OMX_ERRORTYPE err = OMX_GetParameter(mHandle, OMX_IndexParamPortDefinition, &def);
422    if (err != OMX_ErrorNone)
423    {
424        LOGE("%s::%d:Error getting OMX_IndexParamPortDefinition", __FUNCTION__, __LINE__);
425        return err;
426    }
427
428    BufferMeta *bufferMeta = new BufferMeta(graphicBuffer);
429
430    OMX_BUFFERHEADERTYPE *header = NULL;
431    OMX_U8* bufferHandle = const_cast<OMX_U8*>(
432            reinterpret_cast<const OMX_U8*>(graphicBuffer->handle));
433
434    err = OMX_UseBuffer(
435            mHandle,
436            &header,
437            portIndex,
438            bufferMeta,
439            def.nBufferSize,
440            bufferHandle);
441
442    if (err != OMX_ErrorNone) {
443        LOGE("OMX_UseBuffer failed with error %d (0x%08x)", err, err);
444        delete bufferMeta;
445        bufferMeta = NULL;
446        *buffer = 0;
447        return UNKNOWN_ERROR;
448    }
449
450    CHECK_EQ(header->pBuffer, bufferHandle);
451    CHECK_EQ(header->pAppPrivate, bufferMeta);
452
453    *buffer = header;
454
455    addActiveBuffer(portIndex, *buffer);
456
457    return OK;
458}
459
460// XXX: This function is here for backwards compatibility.  Once the OMX
461// implementations have been updated this can be removed and useGraphicBuffer2
462// can be renamed to useGraphicBuffer.
463status_t OMXNodeInstance::useGraphicBuffer(
464        OMX_U32 portIndex, const sp<GraphicBuffer>& graphicBuffer,
465        OMX::buffer_id *buffer) {
466    Mutex::Autolock autoLock(mLock);
467
468    // See if the newer version of the extension is present.
469    OMX_INDEXTYPE index;
470    if (OMX_GetExtensionIndex(
471            mHandle,
472            const_cast<OMX_STRING>("OMX.google.android.index.useAndroidNativeBuffer2"),
473            &index) == OMX_ErrorNone) {
474        return useGraphicBuffer2_l(portIndex, graphicBuffer, buffer);
475    }
476
477    LOGW("Falling back to the deprecated useAndroidNativeBuffer support.  You "
478        "should switch to the useAndroidNativeBuffer2 extension.");
479
480    OMX_ERRORTYPE err = OMX_GetExtensionIndex(
481            mHandle,
482            const_cast<OMX_STRING>("OMX.google.android.index.useAndroidNativeBuffer"),
483            &index);
484
485    if (err != OMX_ErrorNone) {
486        LOGE("OMX_GetExtensionIndex failed");
487
488        return StatusFromOMXError(err);
489    }
490
491    BufferMeta *bufferMeta = new BufferMeta(graphicBuffer);
492
493    OMX_BUFFERHEADERTYPE *header;
494
495    OMX_VERSIONTYPE ver;
496    ver.s.nVersionMajor = 1;
497    ver.s.nVersionMinor = 0;
498    ver.s.nRevision = 0;
499    ver.s.nStep = 0;
500    UseAndroidNativeBufferParams params = {
501        sizeof(UseAndroidNativeBufferParams), ver, portIndex, bufferMeta,
502        &header, graphicBuffer,
503    };
504
505    err = OMX_SetParameter(mHandle, index, &params);
506
507    if (err != OMX_ErrorNone) {
508        LOGE("OMX_UseAndroidNativeBuffer failed with error %d (0x%08x)", err,
509                err);
510
511        delete bufferMeta;
512        bufferMeta = NULL;
513
514        *buffer = 0;
515
516        return UNKNOWN_ERROR;
517    }
518
519    CHECK_EQ(header->pAppPrivate, bufferMeta);
520
521    *buffer = header;
522
523    addActiveBuffer(portIndex, *buffer);
524
525    return OK;
526}
527
528status_t OMXNodeInstance::allocateBuffer(
529        OMX_U32 portIndex, size_t size, OMX::buffer_id *buffer,
530        void **buffer_data) {
531    Mutex::Autolock autoLock(mLock);
532
533    BufferMeta *buffer_meta = new BufferMeta(size);
534
535    OMX_BUFFERHEADERTYPE *header;
536
537    OMX_ERRORTYPE err = OMX_AllocateBuffer(
538            mHandle, &header, portIndex, buffer_meta, size);
539
540    if (err != OMX_ErrorNone) {
541        LOGE("OMX_AllocateBuffer failed with error %d (0x%08x)", err, err);
542
543        delete buffer_meta;
544        buffer_meta = NULL;
545
546        *buffer = 0;
547
548        return UNKNOWN_ERROR;
549    }
550
551    CHECK_EQ(header->pAppPrivate, buffer_meta);
552
553    *buffer = header;
554    *buffer_data = header->pBuffer;
555
556    addActiveBuffer(portIndex, *buffer);
557
558    return OK;
559}
560
561status_t OMXNodeInstance::allocateBufferWithBackup(
562        OMX_U32 portIndex, const sp<IMemory> &params,
563        OMX::buffer_id *buffer) {
564    Mutex::Autolock autoLock(mLock);
565
566    BufferMeta *buffer_meta = new BufferMeta(params, true);
567
568    OMX_BUFFERHEADERTYPE *header;
569
570    OMX_ERRORTYPE err = OMX_AllocateBuffer(
571            mHandle, &header, portIndex, buffer_meta, params->size());
572
573    if (err != OMX_ErrorNone) {
574        LOGE("OMX_AllocateBuffer failed with error %d (0x%08x)", err, err);
575
576        delete buffer_meta;
577        buffer_meta = NULL;
578
579        *buffer = 0;
580
581        return UNKNOWN_ERROR;
582    }
583
584    CHECK_EQ(header->pAppPrivate, buffer_meta);
585
586    *buffer = header;
587
588    addActiveBuffer(portIndex, *buffer);
589
590    return OK;
591}
592
593status_t OMXNodeInstance::freeBuffer(
594        OMX_U32 portIndex, OMX::buffer_id buffer) {
595    Mutex::Autolock autoLock(mLock);
596
597    removeActiveBuffer(portIndex, buffer);
598
599    OMX_BUFFERHEADERTYPE *header = (OMX_BUFFERHEADERTYPE *)buffer;
600    BufferMeta *buffer_meta = static_cast<BufferMeta *>(header->pAppPrivate);
601
602    OMX_ERRORTYPE err = OMX_FreeBuffer(mHandle, portIndex, header);
603
604    delete buffer_meta;
605    buffer_meta = NULL;
606
607    return StatusFromOMXError(err);
608}
609
610status_t OMXNodeInstance::fillBuffer(OMX::buffer_id buffer) {
611    Mutex::Autolock autoLock(mLock);
612
613    OMX_BUFFERHEADERTYPE *header = (OMX_BUFFERHEADERTYPE *)buffer;
614    header->nFilledLen = 0;
615    header->nOffset = 0;
616    header->nFlags = 0;
617
618    OMX_ERRORTYPE err = OMX_FillThisBuffer(mHandle, header);
619
620    return StatusFromOMXError(err);
621}
622
623status_t OMXNodeInstance::emptyBuffer(
624        OMX::buffer_id buffer,
625        OMX_U32 rangeOffset, OMX_U32 rangeLength,
626        OMX_U32 flags, OMX_TICKS timestamp) {
627    Mutex::Autolock autoLock(mLock);
628
629    OMX_BUFFERHEADERTYPE *header = (OMX_BUFFERHEADERTYPE *)buffer;
630    header->nFilledLen = rangeLength;
631    header->nOffset = rangeOffset;
632    header->nFlags = flags;
633    header->nTimeStamp = timestamp;
634
635    BufferMeta *buffer_meta =
636        static_cast<BufferMeta *>(header->pAppPrivate);
637    buffer_meta->CopyToOMX(header);
638
639    OMX_ERRORTYPE err = OMX_EmptyThisBuffer(mHandle, header);
640
641    return StatusFromOMXError(err);
642}
643
644status_t OMXNodeInstance::getExtensionIndex(
645        const char *parameterName, OMX_INDEXTYPE *index) {
646    Mutex::Autolock autoLock(mLock);
647
648    OMX_ERRORTYPE err = OMX_GetExtensionIndex(
649            mHandle, const_cast<char *>(parameterName), index);
650
651    return StatusFromOMXError(err);
652}
653
654void OMXNodeInstance::onMessage(const omx_message &msg) {
655    if (msg.type == omx_message::FILL_BUFFER_DONE) {
656        OMX_BUFFERHEADERTYPE *buffer =
657            static_cast<OMX_BUFFERHEADERTYPE *>(
658                    msg.u.extended_buffer_data.buffer);
659
660        BufferMeta *buffer_meta =
661            static_cast<BufferMeta *>(buffer->pAppPrivate);
662
663        buffer_meta->CopyFromOMX(buffer);
664    }
665
666    mObserver->onMessage(msg);
667}
668
669void OMXNodeInstance::onObserverDied(OMXMaster *master) {
670    LOGE("!!! Observer died. Quickly, do something, ... anything...");
671
672    // Try to force shutdown of the node and hope for the best.
673    freeNode(master);
674}
675
676void OMXNodeInstance::onGetHandleFailed() {
677    delete this;
678}
679
680// static
681OMX_ERRORTYPE OMXNodeInstance::OnEvent(
682        OMX_IN OMX_HANDLETYPE hComponent,
683        OMX_IN OMX_PTR pAppData,
684        OMX_IN OMX_EVENTTYPE eEvent,
685        OMX_IN OMX_U32 nData1,
686        OMX_IN OMX_U32 nData2,
687        OMX_IN OMX_PTR pEventData) {
688    OMXNodeInstance *instance = static_cast<OMXNodeInstance *>(pAppData);
689    if (instance->mDying) {
690        return OMX_ErrorNone;
691    }
692    return instance->owner()->OnEvent(
693            instance->nodeID(), eEvent, nData1, nData2, pEventData);
694}
695
696// static
697OMX_ERRORTYPE OMXNodeInstance::OnEmptyBufferDone(
698        OMX_IN OMX_HANDLETYPE hComponent,
699        OMX_IN OMX_PTR pAppData,
700        OMX_IN OMX_BUFFERHEADERTYPE* pBuffer) {
701    OMXNodeInstance *instance = static_cast<OMXNodeInstance *>(pAppData);
702    if (instance->mDying) {
703        return OMX_ErrorNone;
704    }
705    return instance->owner()->OnEmptyBufferDone(instance->nodeID(), pBuffer);
706}
707
708// static
709OMX_ERRORTYPE OMXNodeInstance::OnFillBufferDone(
710        OMX_IN OMX_HANDLETYPE hComponent,
711        OMX_IN OMX_PTR pAppData,
712        OMX_IN OMX_BUFFERHEADERTYPE* pBuffer) {
713    OMXNodeInstance *instance = static_cast<OMXNodeInstance *>(pAppData);
714    if (instance->mDying) {
715        return OMX_ErrorNone;
716    }
717    return instance->owner()->OnFillBufferDone(instance->nodeID(), pBuffer);
718}
719
720void OMXNodeInstance::addActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id) {
721    ActiveBuffer active;
722    active.mPortIndex = portIndex;
723    active.mID = id;
724    mActiveBuffers.push(active);
725}
726
727void OMXNodeInstance::removeActiveBuffer(
728        OMX_U32 portIndex, OMX::buffer_id id) {
729    bool found = false;
730    for (size_t i = 0; i < mActiveBuffers.size(); ++i) {
731        if (mActiveBuffers[i].mPortIndex == portIndex
732            && mActiveBuffers[i].mID == id) {
733            found = true;
734            mActiveBuffers.removeItemsAt(i);
735            break;
736        }
737    }
738
739    if (!found) {
740        LOGW("Attempt to remove an active buffer we know nothing about...");
741    }
742}
743
744void OMXNodeInstance::freeActiveBuffers() {
745    // Make sure to count down here, as freeBuffer will in turn remove
746    // the active buffer from the vector...
747    for (size_t i = mActiveBuffers.size(); i--;) {
748        freeBuffer(mActiveBuffers[i].mPortIndex, mActiveBuffers[i].mID);
749    }
750}
751
752}  // namespace android
753