OMXCodec.cpp revision 4d1265cd007b9754d0645bc4fb95701140a45648 
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 "OMXCodec"
19#include <utils/Log.h>
20
21#include "include/AACDecoder.h"
22#include "include/AACEncoder.h"
23#include "include/AMRNBDecoder.h"
24#include "include/AMRNBEncoder.h"
25#include "include/AMRWBDecoder.h"
26#include "include/AMRWBEncoder.h"
27#include "include/AVCDecoder.h"
28#include "include/M4vH263Decoder.h"
29#include "include/MP3Decoder.h"
30#include "include/VorbisDecoder.h"
31#include "include/VPXDecoder.h"
32
33#include "include/ESDS.h"
34
35#include <binder/IServiceManager.h>
36#include <binder/MemoryDealer.h>
37#include <binder/ProcessState.h>
38#include <media/IMediaPlayerService.h>
39#include <media/stagefright/MediaBuffer.h>
40#include <media/stagefright/MediaBufferGroup.h>
41#include <media/stagefright/MediaDebug.h>
42#include <media/stagefright/MediaDefs.h>
43#include <media/stagefright/MediaExtractor.h>
44#include <media/stagefright/MetaData.h>
45#include <media/stagefright/OMXCodec.h>
46#include <media/stagefright/Utils.h>
47#include <utils/Vector.h>
48
49#include <OMX_Audio.h>
50#include <OMX_Component.h>
51
52namespace android {
53
54static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
55
56struct CodecInfo {
57    const char *mime;
58    const char *codec;
59};
60
61#define FACTORY_CREATE(name) \
62static sp<MediaSource> Make##name(const sp<MediaSource> &source) { \
63    return new name(source); \
64}
65
66#define FACTORY_CREATE_ENCODER(name) \
67static sp<MediaSource> Make##name(const sp<MediaSource> &source, const sp<MetaData> &meta) { \
68    return new name(source, meta); \
69}
70
71#define FACTORY_REF(name) { #name, Make##name },
72
73FACTORY_CREATE(MP3Decoder)
74FACTORY_CREATE(AMRNBDecoder)
75FACTORY_CREATE(AMRWBDecoder)
76FACTORY_CREATE(AACDecoder)
77FACTORY_CREATE(AVCDecoder)
78FACTORY_CREATE(M4vH263Decoder)
79FACTORY_CREATE(VorbisDecoder)
80FACTORY_CREATE(VPXDecoder)
81FACTORY_CREATE_ENCODER(AMRNBEncoder)
82FACTORY_CREATE_ENCODER(AMRWBEncoder)
83FACTORY_CREATE_ENCODER(AACEncoder)
84
85static sp<MediaSource> InstantiateSoftwareEncoder(
86        const char *name, const sp<MediaSource> &source,
87        const sp<MetaData> &meta) {
88    struct FactoryInfo {
89        const char *name;
90        sp<MediaSource> (*CreateFunc)(const sp<MediaSource> &, const sp<MetaData> &);
91    };
92
93    static const FactoryInfo kFactoryInfo[] = {
94        FACTORY_REF(AMRNBEncoder)
95        FACTORY_REF(AMRWBEncoder)
96        FACTORY_REF(AACEncoder)
97    };
98    for (size_t i = 0;
99         i < sizeof(kFactoryInfo) / sizeof(kFactoryInfo[0]); ++i) {
100        if (!strcmp(name, kFactoryInfo[i].name)) {
101            return (*kFactoryInfo[i].CreateFunc)(source, meta);
102        }
103    }
104
105    return NULL;
106}
107
108static sp<MediaSource> InstantiateSoftwareCodec(
109        const char *name, const sp<MediaSource> &source) {
110    struct FactoryInfo {
111        const char *name;
112        sp<MediaSource> (*CreateFunc)(const sp<MediaSource> &);
113    };
114
115    static const FactoryInfo kFactoryInfo[] = {
116        FACTORY_REF(MP3Decoder)
117        FACTORY_REF(AMRNBDecoder)
118        FACTORY_REF(AMRWBDecoder)
119        FACTORY_REF(AACDecoder)
120        FACTORY_REF(AVCDecoder)
121        FACTORY_REF(M4vH263Decoder)
122        FACTORY_REF(VorbisDecoder)
123        FACTORY_REF(VPXDecoder)
124    };
125    for (size_t i = 0;
126         i < sizeof(kFactoryInfo) / sizeof(kFactoryInfo[0]); ++i) {
127        if (!strcmp(name, kFactoryInfo[i].name)) {
128            return (*kFactoryInfo[i].CreateFunc)(source);
129        }
130    }
131
132    return NULL;
133}
134
135#undef FACTORY_REF
136#undef FACTORY_CREATE
137
138static const CodecInfo kDecoderInfo[] = {
139    { MEDIA_MIMETYPE_IMAGE_JPEG, "OMX.TI.JPEG.decode" },
140//    { MEDIA_MIMETYPE_AUDIO_MPEG, "OMX.TI.MP3.decode" },
141    { MEDIA_MIMETYPE_AUDIO_MPEG, "MP3Decoder" },
142//    { MEDIA_MIMETYPE_AUDIO_MPEG, "OMX.PV.mp3dec" },
143//    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.TI.AMR.decode" },
144    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "AMRNBDecoder" },
145//    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.PV.amrdec" },
146    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.decode" },
147    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "AMRWBDecoder" },
148//    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.PV.amrdec" },
149    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.decode" },
150    { MEDIA_MIMETYPE_AUDIO_AAC, "AACDecoder" },
151//    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.PV.aacdec" },
152    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.decoder.mpeg4" },
153    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.Decoder" },
154    { MEDIA_MIMETYPE_VIDEO_MPEG4, "M4vH263Decoder" },
155//    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.PV.mpeg4dec" },
156    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.decoder.h263" },
157    { MEDIA_MIMETYPE_VIDEO_H263, "M4vH263Decoder" },
158//    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263dec" },
159    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.qcom.video.decoder.avc" },
160    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.Decoder" },
161    { MEDIA_MIMETYPE_VIDEO_AVC, "AVCDecoder" },
162//    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcdec" },
163    { MEDIA_MIMETYPE_AUDIO_VORBIS, "VorbisDecoder" },
164    { MEDIA_MIMETYPE_VIDEO_VPX, "VPXDecoder" },
165};
166
167static const CodecInfo kEncoderInfo[] = {
168    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.TI.AMR.encode" },
169    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "AMRNBEncoder" },
170    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.encode" },
171    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "AMRWBEncoder" },
172    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.encode" },
173    { MEDIA_MIMETYPE_AUDIO_AAC, "AACEncoder" },
174    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.PV.aacenc" },
175    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.encoder.mpeg4" },
176    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.encoder" },
177    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.PV.mpeg4enc" },
178    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.encoder.h263" },
179    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.TI.Video.encoder" },
180    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263enc" },
181    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.qcom.video.encoder.avc" },
182    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.encoder" },
183    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcenc" },
184};
185
186#undef OPTIONAL
187
188#define CODEC_LOGI(x, ...) LOGI("[%s] "x, mComponentName, ##__VA_ARGS__)
189#define CODEC_LOGV(x, ...) LOGV("[%s] "x, mComponentName, ##__VA_ARGS__)
190#define CODEC_LOGE(x, ...) LOGE("[%s] "x, mComponentName, ##__VA_ARGS__)
191
192struct OMXCodecObserver : public BnOMXObserver {
193    OMXCodecObserver() {
194    }
195
196    void setCodec(const sp<OMXCodec> &target) {
197        mTarget = target;
198    }
199
200    // from IOMXObserver
201    virtual void onMessage(const omx_message &msg) {
202        sp<OMXCodec> codec = mTarget.promote();
203
204        if (codec.get() != NULL) {
205            codec->on_message(msg);
206        }
207    }
208
209protected:
210    virtual ~OMXCodecObserver() {}
211
212private:
213    wp<OMXCodec> mTarget;
214
215    OMXCodecObserver(const OMXCodecObserver &);
216    OMXCodecObserver &operator=(const OMXCodecObserver &);
217};
218
219static const char *GetCodec(const CodecInfo *info, size_t numInfos,
220                            const char *mime, int index) {
221    CHECK(index >= 0);
222    for(size_t i = 0; i < numInfos; ++i) {
223        if (!strcasecmp(mime, info[i].mime)) {
224            if (index == 0) {
225                return info[i].codec;
226            }
227
228            --index;
229        }
230    }
231
232    return NULL;
233}
234
235enum {
236    kAVCProfileBaseline      = 0x42,
237    kAVCProfileMain          = 0x4d,
238    kAVCProfileExtended      = 0x58,
239    kAVCProfileHigh          = 0x64,
240    kAVCProfileHigh10        = 0x6e,
241    kAVCProfileHigh422       = 0x7a,
242    kAVCProfileHigh444       = 0xf4,
243    kAVCProfileCAVLC444Intra = 0x2c
244};
245
246static const char *AVCProfileToString(uint8_t profile) {
247    switch (profile) {
248        case kAVCProfileBaseline:
249            return "Baseline";
250        case kAVCProfileMain:
251            return "Main";
252        case kAVCProfileExtended:
253            return "Extended";
254        case kAVCProfileHigh:
255            return "High";
256        case kAVCProfileHigh10:
257            return "High 10";
258        case kAVCProfileHigh422:
259            return "High 422";
260        case kAVCProfileHigh444:
261            return "High 444";
262        case kAVCProfileCAVLC444Intra:
263            return "CAVLC 444 Intra";
264        default:   return "Unknown";
265    }
266}
267
268template<class T>
269static void InitOMXParams(T *params) {
270    params->nSize = sizeof(T);
271    params->nVersion.s.nVersionMajor = 1;
272    params->nVersion.s.nVersionMinor = 0;
273    params->nVersion.s.nRevision = 0;
274    params->nVersion.s.nStep = 0;
275}
276
277static bool IsSoftwareCodec(const char *componentName) {
278    if (!strncmp("OMX.PV.", componentName, 7)) {
279        return true;
280    }
281
282    return false;
283}
284
285// A sort order in which non-OMX components are first,
286// followed by software codecs, i.e. OMX.PV.*, followed
287// by all the others.
288static int CompareSoftwareCodecsFirst(
289        const String8 *elem1, const String8 *elem2) {
290    bool isNotOMX1 = strncmp(elem1->string(), "OMX.", 4);
291    bool isNotOMX2 = strncmp(elem2->string(), "OMX.", 4);
292
293    if (isNotOMX1) {
294        if (isNotOMX2) { return 0; }
295        return -1;
296    }
297    if (isNotOMX2) {
298        return 1;
299    }
300
301    bool isSoftwareCodec1 = IsSoftwareCodec(elem1->string());
302    bool isSoftwareCodec2 = IsSoftwareCodec(elem2->string());
303
304    if (isSoftwareCodec1) {
305        if (isSoftwareCodec2) { return 0; }
306        return -1;
307    }
308
309    if (isSoftwareCodec2) {
310        return 1;
311    }
312
313    return 0;
314}
315
316// static
317uint32_t OMXCodec::getComponentQuirks(const char *componentName) {
318    uint32_t quirks = 0;
319
320    if (!strcmp(componentName, "OMX.PV.avcdec")) {
321        quirks |= kWantsNALFragments;
322    }
323    if (!strcmp(componentName, "OMX.TI.MP3.decode")) {
324        quirks |= kNeedsFlushBeforeDisable;
325        quirks |= kDecoderLiesAboutNumberOfChannels;
326    }
327    if (!strcmp(componentName, "OMX.TI.AAC.decode")) {
328        quirks |= kNeedsFlushBeforeDisable;
329        quirks |= kRequiresFlushCompleteEmulation;
330        quirks |= kSupportsMultipleFramesPerInputBuffer;
331    }
332    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
333        quirks |= kRequiresLoadedToIdleAfterAllocation;
334        quirks |= kRequiresAllocateBufferOnInputPorts;
335        quirks |= kRequiresAllocateBufferOnOutputPorts;
336    }
337    if (!strncmp(componentName, "OMX.qcom.video.decoder.", 23)) {
338        quirks |= kRequiresAllocateBufferOnOutputPorts;
339        quirks |= kDefersOutputBufferAllocation;
340    }
341
342    if (!strncmp(componentName, "OMX.TI.", 7)) {
343        // Apparently I must not use OMX_UseBuffer on either input or
344        // output ports on any of the TI components or quote:
345        // "(I) may have unexpected problem (sic) which can be timing related
346        //  and hard to reproduce."
347
348        quirks |= kRequiresAllocateBufferOnInputPorts;
349        quirks |= kRequiresAllocateBufferOnOutputPorts;
350    }
351
352    if (!strcmp(componentName, "OMX.TI.Video.Decoder")) {
353        quirks |= kInputBufferSizesAreBogus;
354    }
355
356    return quirks;
357}
358
359// static
360void OMXCodec::findMatchingCodecs(
361        const char *mime,
362        bool createEncoder, const char *matchComponentName,
363        uint32_t flags,
364        Vector<String8> *matchingCodecs) {
365    matchingCodecs->clear();
366
367    for (int index = 0;; ++index) {
368        const char *componentName;
369
370        if (createEncoder) {
371            componentName = GetCodec(
372                    kEncoderInfo,
373                    sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
374                    mime, index);
375        } else {
376            componentName = GetCodec(
377                    kDecoderInfo,
378                    sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
379                    mime, index);
380        }
381
382        if (!componentName) {
383            break;
384        }
385
386        // If a specific codec is requested, skip the non-matching ones.
387        if (matchComponentName && strcmp(componentName, matchComponentName)) {
388            continue;
389        }
390
391        matchingCodecs->push(String8(componentName));
392    }
393
394    if (flags & kPreferSoftwareCodecs) {
395        matchingCodecs->sort(CompareSoftwareCodecsFirst);
396    }
397}
398
399// static
400sp<MediaSource> OMXCodec::Create(
401        const sp<IOMX> &omx,
402        const sp<MetaData> &meta, bool createEncoder,
403        const sp<MediaSource> &source,
404        const char *matchComponentName,
405        uint32_t flags) {
406    const char *mime;
407    bool success = meta->findCString(kKeyMIMEType, &mime);
408    CHECK(success);
409
410    Vector<String8> matchingCodecs;
411    findMatchingCodecs(
412            mime, createEncoder, matchComponentName, flags, &matchingCodecs);
413
414    if (matchingCodecs.isEmpty()) {
415        return NULL;
416    }
417
418    sp<OMXCodecObserver> observer = new OMXCodecObserver;
419    IOMX::node_id node = 0;
420
421    const char *componentName;
422    for (size_t i = 0; i < matchingCodecs.size(); ++i) {
423        componentName = matchingCodecs[i].string();
424
425#if BUILD_WITH_FULL_STAGEFRIGHT
426        sp<MediaSource> softwareCodec = createEncoder?
427            InstantiateSoftwareEncoder(componentName, source, meta):
428            InstantiateSoftwareCodec(componentName, source);
429
430        if (softwareCodec != NULL) {
431            LOGV("Successfully allocated software codec '%s'", componentName);
432
433            return softwareCodec;
434        }
435#endif
436
437        LOGV("Attempting to allocate OMX node '%s'", componentName);
438
439        status_t err = omx->allocateNode(componentName, observer, &node);
440        if (err == OK) {
441            LOGV("Successfully allocated OMX node '%s'", componentName);
442
443            sp<OMXCodec> codec = new OMXCodec(
444                    omx, node, getComponentQuirks(componentName),
445                    createEncoder, mime, componentName,
446                    source);
447
448            observer->setCodec(codec);
449
450            err = codec->configureCodec(meta);
451
452            if (err == OK) {
453                return codec;
454            }
455
456            LOGV("Failed to configure codec '%s'", componentName);
457        }
458    }
459
460    return NULL;
461}
462
463status_t OMXCodec::configureCodec(const sp<MetaData> &meta) {
464    uint32_t type;
465    const void *data;
466    size_t size;
467    if (meta->findData(kKeyESDS, &type, &data, &size)) {
468        ESDS esds((const char *)data, size);
469        CHECK_EQ(esds.InitCheck(), OK);
470
471        const void *codec_specific_data;
472        size_t codec_specific_data_size;
473        esds.getCodecSpecificInfo(
474                &codec_specific_data, &codec_specific_data_size);
475
476        addCodecSpecificData(
477                codec_specific_data, codec_specific_data_size);
478    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
479        // Parse the AVCDecoderConfigurationRecord
480
481        const uint8_t *ptr = (const uint8_t *)data;
482
483        CHECK(size >= 7);
484        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
485        uint8_t profile = ptr[1];
486        uint8_t level = ptr[3];
487
488        // There is decodable content out there that fails the following
489        // assertion, let's be lenient for now...
490        // CHECK((ptr[4] >> 2) == 0x3f);  // reserved
491
492        size_t lengthSize = 1 + (ptr[4] & 3);
493
494        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
495        // violates it...
496        // CHECK((ptr[5] >> 5) == 7);  // reserved
497
498        size_t numSeqParameterSets = ptr[5] & 31;
499
500        ptr += 6;
501        size -= 6;
502
503        for (size_t i = 0; i < numSeqParameterSets; ++i) {
504            CHECK(size >= 2);
505            size_t length = U16_AT(ptr);
506
507            ptr += 2;
508            size -= 2;
509
510            CHECK(size >= length);
511
512            addCodecSpecificData(ptr, length);
513
514            ptr += length;
515            size -= length;
516        }
517
518        CHECK(size >= 1);
519        size_t numPictureParameterSets = *ptr;
520        ++ptr;
521        --size;
522
523        for (size_t i = 0; i < numPictureParameterSets; ++i) {
524            CHECK(size >= 2);
525            size_t length = U16_AT(ptr);
526
527            ptr += 2;
528            size -= 2;
529
530            CHECK(size >= length);
531
532            addCodecSpecificData(ptr, length);
533
534            ptr += length;
535            size -= length;
536        }
537
538        LOGV("AVC profile = %d (%s), level = %d",
539             (int)profile, AVCProfileToString(profile), (int)level / 10);
540
541        if (!strcmp(mComponentName, "OMX.TI.Video.Decoder")
542            && (profile != kAVCProfileBaseline || level > 39)) {
543            // This stream exceeds the decoder's capabilities. The decoder
544            // does not handle this gracefully and would clobber the heap
545            // and wreak havoc instead...
546
547            LOGE("Profile and/or level exceed the decoder's capabilities.");
548            return ERROR_UNSUPPORTED;
549        }
550    }
551
552    int32_t bitRate = 0;
553    if (mIsEncoder) {
554        CHECK(meta->findInt32(kKeyBitRate, &bitRate));
555    }
556    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, mMIME)) {
557        setAMRFormat(false /* isWAMR */, bitRate);
558    }
559    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, mMIME)) {
560        setAMRFormat(true /* isWAMR */, bitRate);
561    }
562    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AAC, mMIME)) {
563        int32_t numChannels, sampleRate;
564        CHECK(meta->findInt32(kKeyChannelCount, &numChannels));
565        CHECK(meta->findInt32(kKeySampleRate, &sampleRate));
566
567        setAACFormat(numChannels, sampleRate, bitRate);
568    }
569
570    if (!strncasecmp(mMIME, "video/", 6)) {
571        int32_t width, height;
572        bool success = meta->findInt32(kKeyWidth, &width);
573        success = success && meta->findInt32(kKeyHeight, &height);
574        CHECK(success);
575
576        if (mIsEncoder) {
577            setVideoInputFormat(mMIME, width, height);
578        } else {
579            status_t err = setVideoOutputFormat(
580                    mMIME, width, height);
581
582            if (err != OK) {
583                return err;
584            }
585        }
586    }
587
588    if (!strcasecmp(mMIME, MEDIA_MIMETYPE_IMAGE_JPEG)
589        && !strcmp(mComponentName, "OMX.TI.JPEG.decode")) {
590        OMX_COLOR_FORMATTYPE format =
591            OMX_COLOR_Format32bitARGB8888;
592            // OMX_COLOR_FormatYUV420PackedPlanar;
593            // OMX_COLOR_FormatCbYCrY;
594            // OMX_COLOR_FormatYUV411Planar;
595
596        int32_t width, height;
597        bool success = meta->findInt32(kKeyWidth, &width);
598        success = success && meta->findInt32(kKeyHeight, &height);
599
600        int32_t compressedSize;
601        success = success && meta->findInt32(
602                kKeyMaxInputSize, &compressedSize);
603
604        CHECK(success);
605        CHECK(compressedSize > 0);
606
607        setImageOutputFormat(format, width, height);
608        setJPEGInputFormat(width, height, (OMX_U32)compressedSize);
609    }
610
611    int32_t maxInputSize;
612    if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
613        setMinBufferSize(kPortIndexInput, (OMX_U32)maxInputSize);
614    }
615
616    if (!strcmp(mComponentName, "OMX.TI.AMR.encode")
617        || !strcmp(mComponentName, "OMX.TI.WBAMR.encode")
618        || !strcmp(mComponentName, "OMX.TI.AAC.encode")) {
619        setMinBufferSize(kPortIndexOutput, 8192);  // XXX
620    }
621
622    initOutputFormat(meta);
623
624    return OK;
625}
626
627void OMXCodec::setMinBufferSize(OMX_U32 portIndex, OMX_U32 size) {
628    OMX_PARAM_PORTDEFINITIONTYPE def;
629    InitOMXParams(&def);
630    def.nPortIndex = portIndex;
631
632    status_t err = mOMX->getParameter(
633            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
634    CHECK_EQ(err, OK);
635
636    if ((portIndex == kPortIndexInput && (mQuirks & kInputBufferSizesAreBogus))
637        || (def.nBufferSize < size)) {
638        def.nBufferSize = size;
639    }
640
641    err = mOMX->setParameter(
642            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
643    CHECK_EQ(err, OK);
644
645    err = mOMX->getParameter(
646            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
647    CHECK_EQ(err, OK);
648
649    // Make sure the setting actually stuck.
650    if (portIndex == kPortIndexInput
651            && (mQuirks & kInputBufferSizesAreBogus)) {
652        CHECK_EQ(def.nBufferSize, size);
653    } else {
654        CHECK(def.nBufferSize >= size);
655    }
656}
657
658status_t OMXCodec::setVideoPortFormatType(
659        OMX_U32 portIndex,
660        OMX_VIDEO_CODINGTYPE compressionFormat,
661        OMX_COLOR_FORMATTYPE colorFormat) {
662    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
663    InitOMXParams(&format);
664    format.nPortIndex = portIndex;
665    format.nIndex = 0;
666    bool found = false;
667
668    OMX_U32 index = 0;
669    for (;;) {
670        format.nIndex = index;
671        status_t err = mOMX->getParameter(
672                mNode, OMX_IndexParamVideoPortFormat,
673                &format, sizeof(format));
674
675        if (err != OK) {
676            return err;
677        }
678
679        // The following assertion is violated by TI's video decoder.
680        // CHECK_EQ(format.nIndex, index);
681
682#if 1
683        CODEC_LOGV("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
684             portIndex,
685             index, format.eCompressionFormat, format.eColorFormat);
686#endif
687
688        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
689            if (portIndex == kPortIndexInput
690                    && colorFormat == format.eColorFormat) {
691                // eCompressionFormat does not seem right.
692                found = true;
693                break;
694            }
695            if (portIndex == kPortIndexOutput
696                    && compressionFormat == format.eCompressionFormat) {
697                // eColorFormat does not seem right.
698                found = true;
699                break;
700            }
701        }
702
703        if (format.eCompressionFormat == compressionFormat
704            && format.eColorFormat == colorFormat) {
705            found = true;
706            break;
707        }
708
709        ++index;
710    }
711
712    if (!found) {
713        return UNKNOWN_ERROR;
714    }
715
716    CODEC_LOGV("found a match.");
717    status_t err = mOMX->setParameter(
718            mNode, OMX_IndexParamVideoPortFormat,
719            &format, sizeof(format));
720
721    return err;
722}
723
724static size_t getFrameSize(
725        OMX_COLOR_FORMATTYPE colorFormat, int32_t width, int32_t height) {
726    switch (colorFormat) {
727        case OMX_COLOR_FormatYCbYCr:
728        case OMX_COLOR_FormatCbYCrY:
729            return width * height * 2;
730
731        case OMX_COLOR_FormatYUV420Planar:
732        case OMX_COLOR_FormatYUV420SemiPlanar:
733            return (width * height * 3) / 2;
734
735        default:
736            CHECK(!"Should not be here. Unsupported color format.");
737            break;
738    }
739}
740
741void OMXCodec::setVideoInputFormat(
742        const char *mime, OMX_U32 width, OMX_U32 height) {
743    CODEC_LOGV("setVideoInputFormat width=%ld, height=%ld", width, height);
744
745    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
746    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
747        compressionFormat = OMX_VIDEO_CodingAVC;
748    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
749        compressionFormat = OMX_VIDEO_CodingMPEG4;
750    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
751        compressionFormat = OMX_VIDEO_CodingH263;
752    } else {
753        LOGE("Not a supported video mime type: %s", mime);
754        CHECK(!"Should not be here. Not a supported video mime type.");
755    }
756
757    OMX_COLOR_FORMATTYPE colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
758    if (!strcasecmp("OMX.TI.Video.encoder", mComponentName)) {
759        colorFormat = OMX_COLOR_FormatYCbYCr;
760    }
761
762
763
764    status_t err;
765    OMX_PARAM_PORTDEFINITIONTYPE def;
766    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
767
768    //////////////////////// Input port /////////////////////////
769    CHECK_EQ(setVideoPortFormatType(
770            kPortIndexInput, OMX_VIDEO_CodingUnused,
771            colorFormat), OK);
772    InitOMXParams(&def);
773    def.nPortIndex = kPortIndexInput;
774
775    err = mOMX->getParameter(
776            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
777    CHECK_EQ(err, OK);
778
779    def.nBufferSize = getFrameSize(colorFormat, width, height);
780
781    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
782
783    video_def->nFrameWidth = width;
784    video_def->nFrameHeight = height;
785    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
786    video_def->eColorFormat = colorFormat;
787
788    video_def->xFramerate = (24 << 16);  // Q16 format
789
790    err = mOMX->setParameter(
791            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
792    CHECK_EQ(err, OK);
793
794    //////////////////////// Output port /////////////////////////
795    CHECK_EQ(setVideoPortFormatType(
796            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused),
797            OK);
798    InitOMXParams(&def);
799    def.nPortIndex = kPortIndexOutput;
800
801    err = mOMX->getParameter(
802            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
803
804    CHECK_EQ(err, OK);
805    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
806
807    video_def->nFrameWidth = width;
808    video_def->nFrameHeight = height;
809
810    video_def->eCompressionFormat = compressionFormat;
811    video_def->eColorFormat = OMX_COLOR_FormatUnused;
812
813    err = mOMX->setParameter(
814            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
815    CHECK_EQ(err, OK);
816
817    /////////////////// Codec-specific ////////////////////////
818    switch (compressionFormat) {
819        case OMX_VIDEO_CodingMPEG4:
820        {
821            CHECK_EQ(setupMPEG4EncoderParameters(), OK);
822            break;
823        }
824
825        case OMX_VIDEO_CodingH263:
826            break;
827
828        case OMX_VIDEO_CodingAVC:
829        {
830            CHECK_EQ(setupAVCEncoderParameters(), OK);
831            break;
832        }
833
834        default:
835            CHECK(!"Support for this compressionFormat to be implemented.");
836            break;
837    }
838}
839
840status_t OMXCodec::setupMPEG4EncoderParameters() {
841    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
842    InitOMXParams(&mpeg4type);
843    mpeg4type.nPortIndex = kPortIndexOutput;
844
845    status_t err = mOMX->getParameter(
846            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
847    CHECK_EQ(err, OK);
848
849    mpeg4type.nSliceHeaderSpacing = 0;
850    mpeg4type.bSVH = OMX_FALSE;
851    mpeg4type.bGov = OMX_FALSE;
852
853    mpeg4type.nAllowedPictureTypes =
854        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
855
856    mpeg4type.nPFrames = 23;
857    mpeg4type.nBFrames = 0;
858
859    mpeg4type.nIDCVLCThreshold = 0;
860    mpeg4type.bACPred = OMX_TRUE;
861    mpeg4type.nMaxPacketSize = 256;
862    mpeg4type.nTimeIncRes = 1000;
863    mpeg4type.nHeaderExtension = 0;
864    mpeg4type.bReversibleVLC = OMX_FALSE;
865
866    mpeg4type.eProfile = OMX_VIDEO_MPEG4ProfileCore;
867    mpeg4type.eLevel = OMX_VIDEO_MPEG4Level2;
868
869    err = mOMX->setParameter(
870            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
871    CHECK_EQ(err, OK);
872
873    // ----------------
874
875    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
876    InitOMXParams(&bitrateType);
877    bitrateType.nPortIndex = kPortIndexOutput;
878
879    err = mOMX->getParameter(
880            mNode, OMX_IndexParamVideoBitrate,
881            &bitrateType, sizeof(bitrateType));
882    CHECK_EQ(err, OK);
883
884    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
885    bitrateType.nTargetBitrate = 1000000;
886
887    err = mOMX->setParameter(
888            mNode, OMX_IndexParamVideoBitrate,
889            &bitrateType, sizeof(bitrateType));
890    CHECK_EQ(err, OK);
891
892    // ----------------
893
894    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
895    InitOMXParams(&errorCorrectionType);
896    errorCorrectionType.nPortIndex = kPortIndexOutput;
897
898    err = mOMX->getParameter(
899            mNode, OMX_IndexParamVideoErrorCorrection,
900            &errorCorrectionType, sizeof(errorCorrectionType));
901    CHECK_EQ(err, OK);
902
903    errorCorrectionType.bEnableHEC = OMX_FALSE;
904    errorCorrectionType.bEnableResync = OMX_TRUE;
905    errorCorrectionType.nResynchMarkerSpacing = 256;
906    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
907    errorCorrectionType.bEnableRVLC = OMX_FALSE;
908
909    err = mOMX->setParameter(
910            mNode, OMX_IndexParamVideoErrorCorrection,
911            &errorCorrectionType, sizeof(errorCorrectionType));
912    CHECK_EQ(err, OK);
913
914    return OK;
915}
916
917status_t OMXCodec::setupAVCEncoderParameters() {
918    OMX_VIDEO_PARAM_AVCTYPE h264type;
919    InitOMXParams(&h264type);
920    h264type.nPortIndex = kPortIndexOutput;
921
922    status_t err = mOMX->getParameter(
923            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
924    CHECK_EQ(err, OK);
925
926    h264type.nAllowedPictureTypes =
927        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
928
929    h264type.nSliceHeaderSpacing = 0;
930    h264type.nBFrames = 0;
931    h264type.bUseHadamard = OMX_TRUE;
932    h264type.nRefFrames = 1;
933    h264type.nRefIdx10ActiveMinus1 = 0;
934    h264type.nRefIdx11ActiveMinus1 = 0;
935    h264type.bEnableUEP = OMX_FALSE;
936    h264type.bEnableFMO = OMX_FALSE;
937    h264type.bEnableASO = OMX_FALSE;
938    h264type.bEnableRS = OMX_FALSE;
939    h264type.bFrameMBsOnly = OMX_TRUE;
940    h264type.bMBAFF = OMX_FALSE;
941    h264type.bEntropyCodingCABAC = OMX_FALSE;
942    h264type.bWeightedPPrediction = OMX_FALSE;
943    h264type.bconstIpred = OMX_FALSE;
944    h264type.bDirect8x8Inference = OMX_FALSE;
945    h264type.bDirectSpatialTemporal = OMX_FALSE;
946    h264type.nCabacInitIdc = 0;
947    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
948
949    err = mOMX->setParameter(
950            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
951    CHECK_EQ(err, OK);
952
953    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
954    InitOMXParams(&bitrateType);
955    bitrateType.nPortIndex = kPortIndexOutput;
956
957    err = mOMX->getParameter(
958            mNode, OMX_IndexParamVideoBitrate,
959            &bitrateType, sizeof(bitrateType));
960    CHECK_EQ(err, OK);
961
962    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
963    bitrateType.nTargetBitrate = 3000000;
964
965    err = mOMX->setParameter(
966            mNode, OMX_IndexParamVideoBitrate,
967            &bitrateType, sizeof(bitrateType));
968    CHECK_EQ(err, OK);
969
970    return OK;
971}
972
973status_t OMXCodec::setVideoOutputFormat(
974        const char *mime, OMX_U32 width, OMX_U32 height) {
975    CODEC_LOGV("setVideoOutputFormat width=%ld, height=%ld", width, height);
976
977    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
978    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
979        compressionFormat = OMX_VIDEO_CodingAVC;
980    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
981        compressionFormat = OMX_VIDEO_CodingMPEG4;
982    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
983        compressionFormat = OMX_VIDEO_CodingH263;
984    } else {
985        LOGE("Not a supported video mime type: %s", mime);
986        CHECK(!"Should not be here. Not a supported video mime type.");
987    }
988
989    status_t err = setVideoPortFormatType(
990            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
991
992    if (err != OK) {
993        return err;
994    }
995
996#if 1
997    {
998        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
999        InitOMXParams(&format);
1000        format.nPortIndex = kPortIndexOutput;
1001        format.nIndex = 0;
1002
1003        status_t err = mOMX->getParameter(
1004                mNode, OMX_IndexParamVideoPortFormat,
1005                &format, sizeof(format));
1006        CHECK_EQ(err, OK);
1007        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
1008
1009        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
1010
1011        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
1012               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
1013               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
1014               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
1015
1016        err = mOMX->setParameter(
1017                mNode, OMX_IndexParamVideoPortFormat,
1018                &format, sizeof(format));
1019
1020        if (err != OK) {
1021            return err;
1022        }
1023    }
1024#endif
1025
1026    OMX_PARAM_PORTDEFINITIONTYPE def;
1027    InitOMXParams(&def);
1028    def.nPortIndex = kPortIndexInput;
1029
1030    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1031
1032    err = mOMX->getParameter(
1033            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1034
1035    CHECK_EQ(err, OK);
1036
1037#if 1
1038    // XXX Need a (much) better heuristic to compute input buffer sizes.
1039    const size_t X = 64 * 1024;
1040    if (def.nBufferSize < X) {
1041        def.nBufferSize = X;
1042    }
1043#endif
1044
1045    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
1046
1047    video_def->nFrameWidth = width;
1048    video_def->nFrameHeight = height;
1049
1050    video_def->eCompressionFormat = compressionFormat;
1051    video_def->eColorFormat = OMX_COLOR_FormatUnused;
1052
1053    err = mOMX->setParameter(
1054            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1055
1056    if (err != OK) {
1057        return err;
1058    }
1059
1060    ////////////////////////////////////////////////////////////////////////////
1061
1062    InitOMXParams(&def);
1063    def.nPortIndex = kPortIndexOutput;
1064
1065    err = mOMX->getParameter(
1066            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1067    CHECK_EQ(err, OK);
1068    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
1069
1070#if 0
1071    def.nBufferSize =
1072        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
1073#endif
1074
1075    video_def->nFrameWidth = width;
1076    video_def->nFrameHeight = height;
1077
1078    err = mOMX->setParameter(
1079            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1080
1081    return err;
1082}
1083
1084OMXCodec::OMXCodec(
1085        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
1086        bool isEncoder,
1087        const char *mime,
1088        const char *componentName,
1089        const sp<MediaSource> &source)
1090    : mOMX(omx),
1091      mOMXLivesLocally(omx->livesLocally(getpid())),
1092      mNode(node),
1093      mQuirks(quirks),
1094      mIsEncoder(isEncoder),
1095      mMIME(strdup(mime)),
1096      mComponentName(strdup(componentName)),
1097      mSource(source),
1098      mCodecSpecificDataIndex(0),
1099      mState(LOADED),
1100      mInitialBufferSubmit(true),
1101      mSignalledEOS(false),
1102      mNoMoreOutputData(false),
1103      mOutputPortSettingsHaveChanged(false),
1104      mSeekTimeUs(-1),
1105      mLeftOverBuffer(NULL) {
1106    mPortStatus[kPortIndexInput] = ENABLED;
1107    mPortStatus[kPortIndexOutput] = ENABLED;
1108
1109    setComponentRole();
1110}
1111
1112// static
1113void OMXCodec::setComponentRole(
1114        const sp<IOMX> &omx, IOMX::node_id node, bool isEncoder,
1115        const char *mime) {
1116    struct MimeToRole {
1117        const char *mime;
1118        const char *decoderRole;
1119        const char *encoderRole;
1120    };
1121
1122    static const MimeToRole kMimeToRole[] = {
1123        { MEDIA_MIMETYPE_AUDIO_MPEG,
1124            "audio_decoder.mp3", "audio_encoder.mp3" },
1125        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
1126            "audio_decoder.amrnb", "audio_encoder.amrnb" },
1127        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
1128            "audio_decoder.amrwb", "audio_encoder.amrwb" },
1129        { MEDIA_MIMETYPE_AUDIO_AAC,
1130            "audio_decoder.aac", "audio_encoder.aac" },
1131        { MEDIA_MIMETYPE_VIDEO_AVC,
1132            "video_decoder.avc", "video_encoder.avc" },
1133        { MEDIA_MIMETYPE_VIDEO_MPEG4,
1134            "video_decoder.mpeg4", "video_encoder.mpeg4" },
1135        { MEDIA_MIMETYPE_VIDEO_H263,
1136            "video_decoder.h263", "video_encoder.h263" },
1137    };
1138
1139    static const size_t kNumMimeToRole =
1140        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
1141
1142    size_t i;
1143    for (i = 0; i < kNumMimeToRole; ++i) {
1144        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
1145            break;
1146        }
1147    }
1148
1149    if (i == kNumMimeToRole) {
1150        return;
1151    }
1152
1153    const char *role =
1154        isEncoder ? kMimeToRole[i].encoderRole
1155                  : kMimeToRole[i].decoderRole;
1156
1157    if (role != NULL) {
1158        OMX_PARAM_COMPONENTROLETYPE roleParams;
1159        InitOMXParams(&roleParams);
1160
1161        strncpy((char *)roleParams.cRole,
1162                role, OMX_MAX_STRINGNAME_SIZE - 1);
1163
1164        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
1165
1166        status_t err = omx->setParameter(
1167                node, OMX_IndexParamStandardComponentRole,
1168                &roleParams, sizeof(roleParams));
1169
1170        if (err != OK) {
1171            LOGW("Failed to set standard component role '%s'.", role);
1172        }
1173    }
1174}
1175
1176void OMXCodec::setComponentRole() {
1177    setComponentRole(mOMX, mNode, mIsEncoder, mMIME);
1178}
1179
1180OMXCodec::~OMXCodec() {
1181    CHECK(mState == LOADED || mState == ERROR);
1182
1183    status_t err = mOMX->freeNode(mNode);
1184    CHECK_EQ(err, OK);
1185
1186    mNode = NULL;
1187    setState(DEAD);
1188
1189    clearCodecSpecificData();
1190
1191    free(mComponentName);
1192    mComponentName = NULL;
1193
1194    free(mMIME);
1195    mMIME = NULL;
1196}
1197
1198status_t OMXCodec::init() {
1199    // mLock is held.
1200
1201    CHECK_EQ(mState, LOADED);
1202
1203    status_t err;
1204    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
1205        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1206        CHECK_EQ(err, OK);
1207        setState(LOADED_TO_IDLE);
1208    }
1209
1210    err = allocateBuffers();
1211    CHECK_EQ(err, OK);
1212
1213    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
1214        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1215        CHECK_EQ(err, OK);
1216
1217        setState(LOADED_TO_IDLE);
1218    }
1219
1220    while (mState != EXECUTING && mState != ERROR) {
1221        mAsyncCompletion.wait(mLock);
1222    }
1223
1224    return mState == ERROR ? UNKNOWN_ERROR : OK;
1225}
1226
1227// static
1228bool OMXCodec::isIntermediateState(State state) {
1229    return state == LOADED_TO_IDLE
1230        || state == IDLE_TO_EXECUTING
1231        || state == EXECUTING_TO_IDLE
1232        || state == IDLE_TO_LOADED
1233        || state == RECONFIGURING;
1234}
1235
1236status_t OMXCodec::allocateBuffers() {
1237    status_t err = allocateBuffersOnPort(kPortIndexInput);
1238
1239    if (err != OK) {
1240        return err;
1241    }
1242
1243    return allocateBuffersOnPort(kPortIndexOutput);
1244}
1245
1246status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
1247    OMX_PARAM_PORTDEFINITIONTYPE def;
1248    InitOMXParams(&def);
1249    def.nPortIndex = portIndex;
1250
1251    status_t err = mOMX->getParameter(
1252            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1253
1254    if (err != OK) {
1255        return err;
1256    }
1257
1258    size_t totalSize = def.nBufferCountActual * def.nBufferSize;
1259    mDealer[portIndex] = new MemoryDealer(totalSize, "OMXCodec");
1260
1261    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
1262        sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
1263        CHECK(mem.get() != NULL);
1264
1265        BufferInfo info;
1266        info.mData = NULL;
1267        info.mSize = def.nBufferSize;
1268
1269        IOMX::buffer_id buffer;
1270        if (portIndex == kPortIndexInput
1271                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
1272            if (mOMXLivesLocally) {
1273                mem.clear();
1274
1275                err = mOMX->allocateBuffer(
1276                        mNode, portIndex, def.nBufferSize, &buffer,
1277                        &info.mData);
1278            } else {
1279                err = mOMX->allocateBufferWithBackup(
1280                        mNode, portIndex, mem, &buffer);
1281            }
1282        } else if (portIndex == kPortIndexOutput
1283                && (mQuirks & kRequiresAllocateBufferOnOutputPorts)) {
1284            if (mOMXLivesLocally) {
1285                mem.clear();
1286
1287                err = mOMX->allocateBuffer(
1288                        mNode, portIndex, def.nBufferSize, &buffer,
1289                        &info.mData);
1290            } else {
1291                err = mOMX->allocateBufferWithBackup(
1292                        mNode, portIndex, mem, &buffer);
1293            }
1294        } else {
1295            err = mOMX->useBuffer(mNode, portIndex, mem, &buffer);
1296        }
1297
1298        if (err != OK) {
1299            LOGE("allocate_buffer_with_backup failed");
1300            return err;
1301        }
1302
1303        if (mem != NULL) {
1304            info.mData = mem->pointer();
1305        }
1306
1307        info.mBuffer = buffer;
1308        info.mOwnedByComponent = false;
1309        info.mMem = mem;
1310        info.mMediaBuffer = NULL;
1311
1312        if (portIndex == kPortIndexOutput) {
1313            if (!(mOMXLivesLocally
1314                        && (mQuirks & kRequiresAllocateBufferOnOutputPorts)
1315                        && (mQuirks & kDefersOutputBufferAllocation))) {
1316                // If the node does not fill in the buffer ptr at this time,
1317                // we will defer creating the MediaBuffer until receiving
1318                // the first FILL_BUFFER_DONE notification instead.
1319                info.mMediaBuffer = new MediaBuffer(info.mData, info.mSize);
1320                info.mMediaBuffer->setObserver(this);
1321            }
1322        }
1323
1324        mPortBuffers[portIndex].push(info);
1325
1326        CODEC_LOGV("allocated buffer %p on %s port", buffer,
1327             portIndex == kPortIndexInput ? "input" : "output");
1328    }
1329
1330    // dumpPortStatus(portIndex);
1331
1332    return OK;
1333}
1334
1335void OMXCodec::on_message(const omx_message &msg) {
1336    Mutex::Autolock autoLock(mLock);
1337
1338    switch (msg.type) {
1339        case omx_message::EVENT:
1340        {
1341            onEvent(
1342                 msg.u.event_data.event, msg.u.event_data.data1,
1343                 msg.u.event_data.data2);
1344
1345            break;
1346        }
1347
1348        case omx_message::EMPTY_BUFFER_DONE:
1349        {
1350            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1351
1352            CODEC_LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
1353
1354            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1355            size_t i = 0;
1356            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1357                ++i;
1358            }
1359
1360            CHECK(i < buffers->size());
1361            if (!(*buffers)[i].mOwnedByComponent) {
1362                LOGW("We already own input buffer %p, yet received "
1363                     "an EMPTY_BUFFER_DONE.", buffer);
1364            }
1365
1366            buffers->editItemAt(i).mOwnedByComponent = false;
1367
1368            if (mPortStatus[kPortIndexInput] == DISABLING) {
1369                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1370
1371                status_t err =
1372                    mOMX->freeBuffer(mNode, kPortIndexInput, buffer);
1373                CHECK_EQ(err, OK);
1374
1375                buffers->removeAt(i);
1376            } else if (mState != ERROR
1377                    && mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
1378                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
1379                drainInputBuffer(&buffers->editItemAt(i));
1380            }
1381            break;
1382        }
1383
1384        case omx_message::FILL_BUFFER_DONE:
1385        {
1386            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1387            OMX_U32 flags = msg.u.extended_buffer_data.flags;
1388
1389            CODEC_LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx, timestamp: %lld us (%.2f secs))",
1390                 buffer,
1391                 msg.u.extended_buffer_data.range_length,
1392                 flags,
1393                 msg.u.extended_buffer_data.timestamp,
1394                 msg.u.extended_buffer_data.timestamp / 1E6);
1395
1396            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1397            size_t i = 0;
1398            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1399                ++i;
1400            }
1401
1402            CHECK(i < buffers->size());
1403            BufferInfo *info = &buffers->editItemAt(i);
1404
1405            if (!info->mOwnedByComponent) {
1406                LOGW("We already own output buffer %p, yet received "
1407                     "a FILL_BUFFER_DONE.", buffer);
1408            }
1409
1410            info->mOwnedByComponent = false;
1411
1412            if (mPortStatus[kPortIndexOutput] == DISABLING) {
1413                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1414
1415                status_t err =
1416                    mOMX->freeBuffer(mNode, kPortIndexOutput, buffer);
1417                CHECK_EQ(err, OK);
1418
1419                buffers->removeAt(i);
1420#if 0
1421            } else if (mPortStatus[kPortIndexOutput] == ENABLED
1422                       && (flags & OMX_BUFFERFLAG_EOS)) {
1423                CODEC_LOGV("No more output data.");
1424                mNoMoreOutputData = true;
1425                mBufferFilled.signal();
1426#endif
1427            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
1428                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1429
1430                if (info->mMediaBuffer == NULL) {
1431                    CHECK(mOMXLivesLocally);
1432                    CHECK(mQuirks & kRequiresAllocateBufferOnOutputPorts);
1433                    CHECK(mQuirks & kDefersOutputBufferAllocation);
1434
1435                    // The qcom video decoders on Nexus don't actually allocate
1436                    // output buffer memory on a call to OMX_AllocateBuffer
1437                    // the "pBuffer" member of the OMX_BUFFERHEADERTYPE
1438                    // structure is only filled in later.
1439
1440                    info->mMediaBuffer = new MediaBuffer(
1441                            msg.u.extended_buffer_data.data_ptr,
1442                            info->mSize);
1443                    info->mMediaBuffer->setObserver(this);
1444                }
1445
1446                MediaBuffer *buffer = info->mMediaBuffer;
1447
1448                buffer->set_range(
1449                        msg.u.extended_buffer_data.range_offset,
1450                        msg.u.extended_buffer_data.range_length);
1451
1452                buffer->meta_data()->clear();
1453
1454                buffer->meta_data()->setInt64(
1455                        kKeyTime, msg.u.extended_buffer_data.timestamp);
1456
1457                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
1458                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
1459                }
1460                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_CODECCONFIG) {
1461                    buffer->meta_data()->setInt32(kKeyIsCodecConfig, true);
1462                }
1463
1464                buffer->meta_data()->setPointer(
1465                        kKeyPlatformPrivate,
1466                        msg.u.extended_buffer_data.platform_private);
1467
1468                buffer->meta_data()->setPointer(
1469                        kKeyBufferID,
1470                        msg.u.extended_buffer_data.buffer);
1471
1472                mFilledBuffers.push_back(i);
1473                mBufferFilled.signal();
1474
1475                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_EOS) {
1476                    CODEC_LOGV("No more output data.");
1477                    mNoMoreOutputData = true;
1478                }
1479            }
1480
1481            break;
1482        }
1483
1484        default:
1485        {
1486            CHECK(!"should not be here.");
1487            break;
1488        }
1489    }
1490}
1491
1492void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
1493    switch (event) {
1494        case OMX_EventCmdComplete:
1495        {
1496            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
1497            break;
1498        }
1499
1500        case OMX_EventError:
1501        {
1502            LOGE("ERROR(0x%08lx, %ld)", data1, data2);
1503
1504            setState(ERROR);
1505            break;
1506        }
1507
1508        case OMX_EventPortSettingsChanged:
1509        {
1510            onPortSettingsChanged(data1);
1511            break;
1512        }
1513
1514#if 0
1515        case OMX_EventBufferFlag:
1516        {
1517            CODEC_LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
1518
1519            if (data1 == kPortIndexOutput) {
1520                mNoMoreOutputData = true;
1521            }
1522            break;
1523        }
1524#endif
1525
1526        default:
1527        {
1528            CODEC_LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
1529            break;
1530        }
1531    }
1532}
1533
1534// Has the format changed in any way that the client would have to be aware of?
1535static bool formatHasNotablyChanged(
1536        const sp<MetaData> &from, const sp<MetaData> &to) {
1537    if (from.get() == NULL && to.get() == NULL) {
1538        return false;
1539    }
1540
1541    if ((from.get() == NULL && to.get() != NULL)
1542        || (from.get() != NULL && to.get() == NULL)) {
1543        return true;
1544    }
1545
1546    const char *mime_from, *mime_to;
1547    CHECK(from->findCString(kKeyMIMEType, &mime_from));
1548    CHECK(to->findCString(kKeyMIMEType, &mime_to));
1549
1550    if (strcasecmp(mime_from, mime_to)) {
1551        return true;
1552    }
1553
1554    if (!strcasecmp(mime_from, MEDIA_MIMETYPE_VIDEO_RAW)) {
1555        int32_t colorFormat_from, colorFormat_to;
1556        CHECK(from->findInt32(kKeyColorFormat, &colorFormat_from));
1557        CHECK(to->findInt32(kKeyColorFormat, &colorFormat_to));
1558
1559        if (colorFormat_from != colorFormat_to) {
1560            return true;
1561        }
1562
1563        int32_t width_from, width_to;
1564        CHECK(from->findInt32(kKeyWidth, &width_from));
1565        CHECK(to->findInt32(kKeyWidth, &width_to));
1566
1567        if (width_from != width_to) {
1568            return true;
1569        }
1570
1571        int32_t height_from, height_to;
1572        CHECK(from->findInt32(kKeyHeight, &height_from));
1573        CHECK(to->findInt32(kKeyHeight, &height_to));
1574
1575        if (height_from != height_to) {
1576            return true;
1577        }
1578    } else if (!strcasecmp(mime_from, MEDIA_MIMETYPE_AUDIO_RAW)) {
1579        int32_t numChannels_from, numChannels_to;
1580        CHECK(from->findInt32(kKeyChannelCount, &numChannels_from));
1581        CHECK(to->findInt32(kKeyChannelCount, &numChannels_to));
1582
1583        if (numChannels_from != numChannels_to) {
1584            return true;
1585        }
1586
1587        int32_t sampleRate_from, sampleRate_to;
1588        CHECK(from->findInt32(kKeySampleRate, &sampleRate_from));
1589        CHECK(to->findInt32(kKeySampleRate, &sampleRate_to));
1590
1591        if (sampleRate_from != sampleRate_to) {
1592            return true;
1593        }
1594    }
1595
1596    return false;
1597}
1598
1599void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
1600    switch (cmd) {
1601        case OMX_CommandStateSet:
1602        {
1603            onStateChange((OMX_STATETYPE)data);
1604            break;
1605        }
1606
1607        case OMX_CommandPortDisable:
1608        {
1609            OMX_U32 portIndex = data;
1610            CODEC_LOGV("PORT_DISABLED(%ld)", portIndex);
1611
1612            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1613            CHECK_EQ(mPortStatus[portIndex], DISABLING);
1614            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
1615
1616            mPortStatus[portIndex] = DISABLED;
1617
1618            if (mState == RECONFIGURING) {
1619                CHECK_EQ(portIndex, kPortIndexOutput);
1620
1621                sp<MetaData> oldOutputFormat = mOutputFormat;
1622                initOutputFormat(mSource->getFormat());
1623
1624                // Don't notify clients if the output port settings change
1625                // wasn't of importance to them, i.e. it may be that just the
1626                // number of buffers has changed and nothing else.
1627                mOutputPortSettingsHaveChanged =
1628                    formatHasNotablyChanged(oldOutputFormat, mOutputFormat);
1629
1630                enablePortAsync(portIndex);
1631
1632                status_t err = allocateBuffersOnPort(portIndex);
1633                CHECK_EQ(err, OK);
1634            }
1635            break;
1636        }
1637
1638        case OMX_CommandPortEnable:
1639        {
1640            OMX_U32 portIndex = data;
1641            CODEC_LOGV("PORT_ENABLED(%ld)", portIndex);
1642
1643            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1644            CHECK_EQ(mPortStatus[portIndex], ENABLING);
1645
1646            mPortStatus[portIndex] = ENABLED;
1647
1648            if (mState == RECONFIGURING) {
1649                CHECK_EQ(portIndex, kPortIndexOutput);
1650
1651                setState(EXECUTING);
1652
1653                fillOutputBuffers();
1654            }
1655            break;
1656        }
1657
1658        case OMX_CommandFlush:
1659        {
1660            OMX_U32 portIndex = data;
1661
1662            CODEC_LOGV("FLUSH_DONE(%ld)", portIndex);
1663
1664            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
1665            mPortStatus[portIndex] = ENABLED;
1666
1667            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
1668                     mPortBuffers[portIndex].size());
1669
1670            if (mState == RECONFIGURING) {
1671                CHECK_EQ(portIndex, kPortIndexOutput);
1672
1673                disablePortAsync(portIndex);
1674            } else if (mState == EXECUTING_TO_IDLE) {
1675                if (mPortStatus[kPortIndexInput] == ENABLED
1676                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1677                    CODEC_LOGV("Finished flushing both ports, now completing "
1678                         "transition from EXECUTING to IDLE.");
1679
1680                    mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1681                    mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1682
1683                    status_t err =
1684                        mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1685                    CHECK_EQ(err, OK);
1686                }
1687            } else {
1688                // We're flushing both ports in preparation for seeking.
1689
1690                if (mPortStatus[kPortIndexInput] == ENABLED
1691                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1692                    CODEC_LOGV("Finished flushing both ports, now continuing from"
1693                         " seek-time.");
1694
1695                    drainInputBuffers();
1696                    fillOutputBuffers();
1697                }
1698            }
1699
1700            break;
1701        }
1702
1703        default:
1704        {
1705            CODEC_LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1706            break;
1707        }
1708    }
1709}
1710
1711void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1712    CODEC_LOGV("onStateChange %d", newState);
1713
1714    switch (newState) {
1715        case OMX_StateIdle:
1716        {
1717            CODEC_LOGV("Now Idle.");
1718            if (mState == LOADED_TO_IDLE) {
1719                status_t err = mOMX->sendCommand(
1720                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1721
1722                CHECK_EQ(err, OK);
1723
1724                setState(IDLE_TO_EXECUTING);
1725            } else {
1726                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1727
1728                CHECK_EQ(
1729                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1730                    mPortBuffers[kPortIndexInput].size());
1731
1732                CHECK_EQ(
1733                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1734                    mPortBuffers[kPortIndexOutput].size());
1735
1736                status_t err = mOMX->sendCommand(
1737                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1738
1739                CHECK_EQ(err, OK);
1740
1741                err = freeBuffersOnPort(kPortIndexInput);
1742                CHECK_EQ(err, OK);
1743
1744                err = freeBuffersOnPort(kPortIndexOutput);
1745                CHECK_EQ(err, OK);
1746
1747                mPortStatus[kPortIndexInput] = ENABLED;
1748                mPortStatus[kPortIndexOutput] = ENABLED;
1749
1750                setState(IDLE_TO_LOADED);
1751            }
1752            break;
1753        }
1754
1755        case OMX_StateExecuting:
1756        {
1757            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1758
1759            CODEC_LOGV("Now Executing.");
1760
1761            setState(EXECUTING);
1762
1763            // Buffers will be submitted to the component in the first
1764            // call to OMXCodec::read as mInitialBufferSubmit is true at
1765            // this point. This ensures that this on_message call returns,
1766            // releases the lock and ::init can notice the state change and
1767            // itself return.
1768            break;
1769        }
1770
1771        case OMX_StateLoaded:
1772        {
1773            CHECK_EQ(mState, IDLE_TO_LOADED);
1774
1775            CODEC_LOGV("Now Loaded.");
1776
1777            setState(LOADED);
1778            break;
1779        }
1780
1781        case OMX_StateInvalid:
1782        {
1783            setState(ERROR);
1784            break;
1785        }
1786
1787        default:
1788        {
1789            CHECK(!"should not be here.");
1790            break;
1791        }
1792    }
1793}
1794
1795// static
1796size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1797    size_t n = 0;
1798    for (size_t i = 0; i < buffers.size(); ++i) {
1799        if (!buffers[i].mOwnedByComponent) {
1800            ++n;
1801        }
1802    }
1803
1804    return n;
1805}
1806
1807status_t OMXCodec::freeBuffersOnPort(
1808        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1809    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1810
1811    status_t stickyErr = OK;
1812
1813    for (size_t i = buffers->size(); i-- > 0;) {
1814        BufferInfo *info = &buffers->editItemAt(i);
1815
1816        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1817            continue;
1818        }
1819
1820        CHECK_EQ(info->mOwnedByComponent, false);
1821
1822        CODEC_LOGV("freeing buffer %p on port %ld", info->mBuffer, portIndex);
1823
1824        status_t err =
1825            mOMX->freeBuffer(mNode, portIndex, info->mBuffer);
1826
1827        if (err != OK) {
1828            stickyErr = err;
1829        }
1830
1831        if (info->mMediaBuffer != NULL) {
1832            info->mMediaBuffer->setObserver(NULL);
1833
1834            // Make sure nobody but us owns this buffer at this point.
1835            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1836
1837            info->mMediaBuffer->release();
1838        }
1839
1840        buffers->removeAt(i);
1841    }
1842
1843    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1844
1845    return stickyErr;
1846}
1847
1848void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1849    CODEC_LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1850
1851    CHECK_EQ(mState, EXECUTING);
1852    CHECK_EQ(portIndex, kPortIndexOutput);
1853    setState(RECONFIGURING);
1854
1855    if (mQuirks & kNeedsFlushBeforeDisable) {
1856        if (!flushPortAsync(portIndex)) {
1857            onCmdComplete(OMX_CommandFlush, portIndex);
1858        }
1859    } else {
1860        disablePortAsync(portIndex);
1861    }
1862}
1863
1864bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1865    CHECK(mState == EXECUTING || mState == RECONFIGURING
1866            || mState == EXECUTING_TO_IDLE);
1867
1868    CODEC_LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
1869         portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
1870         mPortBuffers[portIndex].size());
1871
1872    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1873    mPortStatus[portIndex] = SHUTTING_DOWN;
1874
1875    if ((mQuirks & kRequiresFlushCompleteEmulation)
1876        && countBuffersWeOwn(mPortBuffers[portIndex])
1877                == mPortBuffers[portIndex].size()) {
1878        // No flush is necessary and this component fails to send a
1879        // flush-complete event in this case.
1880
1881        return false;
1882    }
1883
1884    status_t err =
1885        mOMX->sendCommand(mNode, OMX_CommandFlush, portIndex);
1886    CHECK_EQ(err, OK);
1887
1888    return true;
1889}
1890
1891void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1892    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1893
1894    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1895    mPortStatus[portIndex] = DISABLING;
1896
1897    status_t err =
1898        mOMX->sendCommand(mNode, OMX_CommandPortDisable, portIndex);
1899    CHECK_EQ(err, OK);
1900
1901    freeBuffersOnPort(portIndex, true);
1902}
1903
1904void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1905    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1906
1907    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1908    mPortStatus[portIndex] = ENABLING;
1909
1910    status_t err =
1911        mOMX->sendCommand(mNode, OMX_CommandPortEnable, portIndex);
1912    CHECK_EQ(err, OK);
1913}
1914
1915void OMXCodec::fillOutputBuffers() {
1916    CHECK_EQ(mState, EXECUTING);
1917
1918    // This is a workaround for some decoders not properly reporting
1919    // end-of-output-stream. If we own all input buffers and also own
1920    // all output buffers and we already signalled end-of-input-stream,
1921    // the end-of-output-stream is implied.
1922    if (mSignalledEOS
1923            && countBuffersWeOwn(mPortBuffers[kPortIndexInput])
1924                == mPortBuffers[kPortIndexInput].size()
1925            && countBuffersWeOwn(mPortBuffers[kPortIndexOutput])
1926                == mPortBuffers[kPortIndexOutput].size()) {
1927        mNoMoreOutputData = true;
1928        mBufferFilled.signal();
1929
1930        return;
1931    }
1932
1933    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1934    for (size_t i = 0; i < buffers->size(); ++i) {
1935        fillOutputBuffer(&buffers->editItemAt(i));
1936    }
1937}
1938
1939void OMXCodec::drainInputBuffers() {
1940    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1941
1942    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1943    for (size_t i = 0; i < buffers->size(); ++i) {
1944        drainInputBuffer(&buffers->editItemAt(i));
1945    }
1946}
1947
1948void OMXCodec::drainInputBuffer(BufferInfo *info) {
1949    CHECK_EQ(info->mOwnedByComponent, false);
1950
1951    if (mSignalledEOS) {
1952        return;
1953    }
1954
1955    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1956        const CodecSpecificData *specific =
1957            mCodecSpecificData[mCodecSpecificDataIndex];
1958
1959        size_t size = specific->mSize;
1960
1961        if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mMIME)
1962                && !(mQuirks & kWantsNALFragments)) {
1963            static const uint8_t kNALStartCode[4] =
1964                    { 0x00, 0x00, 0x00, 0x01 };
1965
1966            CHECK(info->mSize >= specific->mSize + 4);
1967
1968            size += 4;
1969
1970            memcpy(info->mData, kNALStartCode, 4);
1971            memcpy((uint8_t *)info->mData + 4,
1972                   specific->mData, specific->mSize);
1973        } else {
1974            CHECK(info->mSize >= specific->mSize);
1975            memcpy(info->mData, specific->mData, specific->mSize);
1976        }
1977
1978        mNoMoreOutputData = false;
1979
1980        CODEC_LOGV("calling emptyBuffer with codec specific data");
1981
1982        status_t err = mOMX->emptyBuffer(
1983                mNode, info->mBuffer, 0, size,
1984                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1985                0);
1986        CHECK_EQ(err, OK);
1987
1988        info->mOwnedByComponent = true;
1989
1990        ++mCodecSpecificDataIndex;
1991        return;
1992    }
1993
1994    status_t err;
1995
1996    bool signalEOS = false;
1997    int64_t timestampUs = 0;
1998
1999    size_t offset = 0;
2000    int32_t n = 0;
2001    for (;;) {
2002        MediaBuffer *srcBuffer;
2003        if (mSeekTimeUs >= 0) {
2004            if (mLeftOverBuffer) {
2005                mLeftOverBuffer->release();
2006                mLeftOverBuffer = NULL;
2007            }
2008
2009            MediaSource::ReadOptions options;
2010            options.setSeekTo(mSeekTimeUs);
2011
2012            mSeekTimeUs = -1;
2013            mBufferFilled.signal();
2014
2015            err = mSource->read(&srcBuffer, &options);
2016        } else if (mLeftOverBuffer) {
2017            srcBuffer = mLeftOverBuffer;
2018            mLeftOverBuffer = NULL;
2019
2020            err = OK;
2021        } else {
2022            err = mSource->read(&srcBuffer);
2023        }
2024
2025        if (err != OK) {
2026            signalEOS = true;
2027            mFinalStatus = err;
2028            mSignalledEOS = true;
2029            break;
2030        }
2031
2032        size_t remainingBytes = info->mSize - offset;
2033
2034        if (srcBuffer->range_length() > remainingBytes) {
2035            if (offset == 0) {
2036                CODEC_LOGE(
2037                     "Codec's input buffers are too small to accomodate "
2038                     "buffer read from source (info->mSize = %d, srcLength = %d)",
2039                     info->mSize, srcBuffer->range_length());
2040
2041                srcBuffer->release();
2042                srcBuffer = NULL;
2043
2044                setState(ERROR);
2045                return;
2046            }
2047
2048            mLeftOverBuffer = srcBuffer;
2049            break;
2050        }
2051
2052        memcpy((uint8_t *)info->mData + offset,
2053               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
2054               srcBuffer->range_length());
2055
2056        int64_t lastBufferTimeUs;
2057        CHECK(srcBuffer->meta_data()->findInt64(kKeyTime, &lastBufferTimeUs));
2058        CHECK(timestampUs >= 0);
2059
2060        if (offset == 0) {
2061            timestampUs = lastBufferTimeUs;
2062        }
2063
2064        offset += srcBuffer->range_length();
2065
2066        srcBuffer->release();
2067        srcBuffer = NULL;
2068
2069        ++n;
2070
2071        if (!(mQuirks & kSupportsMultipleFramesPerInputBuffer)) {
2072            break;
2073        }
2074
2075        int64_t coalescedDurationUs = lastBufferTimeUs - timestampUs;
2076
2077        if (coalescedDurationUs > 250000ll) {
2078            // Don't coalesce more than 250ms worth of encoded data at once.
2079            break;
2080        }
2081    }
2082
2083    if (n > 1) {
2084        LOGV("coalesced %d frames into one input buffer", n);
2085    }
2086
2087    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
2088
2089    if (signalEOS) {
2090        flags |= OMX_BUFFERFLAG_EOS;
2091    } else {
2092        mNoMoreOutputData = false;
2093    }
2094
2095    CODEC_LOGV("Calling emptyBuffer on buffer %p (length %d), "
2096               "timestamp %lld us (%.2f secs)",
2097               info->mBuffer, offset,
2098               timestampUs, timestampUs / 1E6);
2099
2100    err = mOMX->emptyBuffer(
2101            mNode, info->mBuffer, 0, offset,
2102            flags, timestampUs);
2103
2104    if (err != OK) {
2105        setState(ERROR);
2106        return;
2107    }
2108
2109    info->mOwnedByComponent = true;
2110
2111    // This component does not ever signal the EOS flag on output buffers,
2112    // Thanks for nothing.
2113    if (mSignalledEOS && !strcmp(mComponentName, "OMX.TI.Video.encoder")) {
2114        mNoMoreOutputData = true;
2115        mBufferFilled.signal();
2116    }
2117}
2118
2119void OMXCodec::fillOutputBuffer(BufferInfo *info) {
2120    CHECK_EQ(info->mOwnedByComponent, false);
2121
2122    if (mNoMoreOutputData) {
2123        CODEC_LOGV("There is no more output data available, not "
2124             "calling fillOutputBuffer");
2125        return;
2126    }
2127
2128    CODEC_LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
2129    status_t err = mOMX->fillBuffer(mNode, info->mBuffer);
2130
2131    if (err != OK) {
2132        CODEC_LOGE("fillBuffer failed w/ error 0x%08x", err);
2133
2134        setState(ERROR);
2135        return;
2136    }
2137
2138    info->mOwnedByComponent = true;
2139}
2140
2141void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
2142    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
2143    for (size_t i = 0; i < buffers->size(); ++i) {
2144        if ((*buffers)[i].mBuffer == buffer) {
2145            drainInputBuffer(&buffers->editItemAt(i));
2146            return;
2147        }
2148    }
2149
2150    CHECK(!"should not be here.");
2151}
2152
2153void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
2154    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
2155    for (size_t i = 0; i < buffers->size(); ++i) {
2156        if ((*buffers)[i].mBuffer == buffer) {
2157            fillOutputBuffer(&buffers->editItemAt(i));
2158            return;
2159        }
2160    }
2161
2162    CHECK(!"should not be here.");
2163}
2164
2165void OMXCodec::setState(State newState) {
2166    mState = newState;
2167    mAsyncCompletion.signal();
2168
2169    // This may cause some spurious wakeups but is necessary to
2170    // unblock the reader if we enter ERROR state.
2171    mBufferFilled.signal();
2172}
2173
2174void OMXCodec::setRawAudioFormat(
2175        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
2176
2177    // port definition
2178    OMX_PARAM_PORTDEFINITIONTYPE def;
2179    InitOMXParams(&def);
2180    def.nPortIndex = portIndex;
2181    status_t err = mOMX->getParameter(
2182            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2183    CHECK_EQ(err, OK);
2184    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
2185    CHECK_EQ(mOMX->setParameter(mNode, OMX_IndexParamPortDefinition,
2186            &def, sizeof(def)), OK);
2187
2188    // pcm param
2189    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
2190    InitOMXParams(&pcmParams);
2191    pcmParams.nPortIndex = portIndex;
2192
2193    err = mOMX->getParameter(
2194            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
2195
2196    CHECK_EQ(err, OK);
2197
2198    pcmParams.nChannels = numChannels;
2199    pcmParams.eNumData = OMX_NumericalDataSigned;
2200    pcmParams.bInterleaved = OMX_TRUE;
2201    pcmParams.nBitPerSample = 16;
2202    pcmParams.nSamplingRate = sampleRate;
2203    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
2204
2205    if (numChannels == 1) {
2206        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
2207    } else {
2208        CHECK_EQ(numChannels, 2);
2209
2210        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
2211        pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
2212    }
2213
2214    err = mOMX->setParameter(
2215            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
2216
2217    CHECK_EQ(err, OK);
2218}
2219
2220static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(bool isAMRWB, int32_t bps) {
2221    if (isAMRWB) {
2222        if (bps <= 6600) {
2223            return OMX_AUDIO_AMRBandModeWB0;
2224        } else if (bps <= 8850) {
2225            return OMX_AUDIO_AMRBandModeWB1;
2226        } else if (bps <= 12650) {
2227            return OMX_AUDIO_AMRBandModeWB2;
2228        } else if (bps <= 14250) {
2229            return OMX_AUDIO_AMRBandModeWB3;
2230        } else if (bps <= 15850) {
2231            return OMX_AUDIO_AMRBandModeWB4;
2232        } else if (bps <= 18250) {
2233            return OMX_AUDIO_AMRBandModeWB5;
2234        } else if (bps <= 19850) {
2235            return OMX_AUDIO_AMRBandModeWB6;
2236        } else if (bps <= 23050) {
2237            return OMX_AUDIO_AMRBandModeWB7;
2238        }
2239
2240        // 23850 bps
2241        return OMX_AUDIO_AMRBandModeWB8;
2242    } else {  // AMRNB
2243        if (bps <= 4750) {
2244            return OMX_AUDIO_AMRBandModeNB0;
2245        } else if (bps <= 5150) {
2246            return OMX_AUDIO_AMRBandModeNB1;
2247        } else if (bps <= 5900) {
2248            return OMX_AUDIO_AMRBandModeNB2;
2249        } else if (bps <= 6700) {
2250            return OMX_AUDIO_AMRBandModeNB3;
2251        } else if (bps <= 7400) {
2252            return OMX_AUDIO_AMRBandModeNB4;
2253        } else if (bps <= 7950) {
2254            return OMX_AUDIO_AMRBandModeNB5;
2255        } else if (bps <= 10200) {
2256            return OMX_AUDIO_AMRBandModeNB6;
2257        }
2258
2259        // 12200 bps
2260        return OMX_AUDIO_AMRBandModeNB7;
2261    }
2262}
2263
2264void OMXCodec::setAMRFormat(bool isWAMR, int32_t bitRate) {
2265    OMX_U32 portIndex = mIsEncoder ? kPortIndexOutput : kPortIndexInput;
2266
2267    OMX_AUDIO_PARAM_AMRTYPE def;
2268    InitOMXParams(&def);
2269    def.nPortIndex = portIndex;
2270
2271    status_t err =
2272        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
2273
2274    CHECK_EQ(err, OK);
2275
2276    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
2277
2278    def.eAMRBandMode = pickModeFromBitRate(isWAMR, bitRate);
2279    err = mOMX->setParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
2280    CHECK_EQ(err, OK);
2281
2282    ////////////////////////
2283
2284    if (mIsEncoder) {
2285        sp<MetaData> format = mSource->getFormat();
2286        int32_t sampleRate;
2287        int32_t numChannels;
2288        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
2289        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
2290
2291        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
2292    }
2293}
2294
2295void OMXCodec::setAACFormat(int32_t numChannels, int32_t sampleRate, int32_t bitRate) {
2296    CHECK(numChannels == 1 || numChannels == 2);
2297    if (mIsEncoder) {
2298        //////////////// input port ////////////////////
2299        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
2300
2301        //////////////// output port ////////////////////
2302        // format
2303        OMX_AUDIO_PARAM_PORTFORMATTYPE format;
2304        format.nPortIndex = kPortIndexOutput;
2305        format.nIndex = 0;
2306        status_t err = OMX_ErrorNone;
2307        while (OMX_ErrorNone == err) {
2308            CHECK_EQ(mOMX->getParameter(mNode, OMX_IndexParamAudioPortFormat,
2309                    &format, sizeof(format)), OK);
2310            if (format.eEncoding == OMX_AUDIO_CodingAAC) {
2311                break;
2312            }
2313            format.nIndex++;
2314        }
2315        CHECK_EQ(OK, err);
2316        CHECK_EQ(mOMX->setParameter(mNode, OMX_IndexParamAudioPortFormat,
2317                &format, sizeof(format)), OK);
2318
2319        // port definition
2320        OMX_PARAM_PORTDEFINITIONTYPE def;
2321        InitOMXParams(&def);
2322        def.nPortIndex = kPortIndexOutput;
2323        CHECK_EQ(mOMX->getParameter(mNode, OMX_IndexParamPortDefinition,
2324                &def, sizeof(def)), OK);
2325        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
2326        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
2327        CHECK_EQ(mOMX->setParameter(mNode, OMX_IndexParamPortDefinition,
2328                &def, sizeof(def)), OK);
2329
2330        // profile
2331        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
2332        InitOMXParams(&profile);
2333        profile.nPortIndex = kPortIndexOutput;
2334        CHECK_EQ(mOMX->getParameter(mNode, OMX_IndexParamAudioAac,
2335                &profile, sizeof(profile)), OK);
2336        profile.nChannels = numChannels;
2337        profile.eChannelMode = (numChannels == 1?
2338                OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo);
2339        profile.nSampleRate = sampleRate;
2340        profile.nBitRate = bitRate;
2341        profile.nAudioBandWidth = 0;
2342        profile.nFrameLength = 0;
2343        profile.nAACtools = OMX_AUDIO_AACToolAll;
2344        profile.nAACERtools = OMX_AUDIO_AACERNone;
2345        profile.eAACProfile = OMX_AUDIO_AACObjectLC;
2346        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
2347        CHECK_EQ(mOMX->setParameter(mNode, OMX_IndexParamAudioAac,
2348                &profile, sizeof(profile)), OK);
2349
2350    } else {
2351        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
2352        InitOMXParams(&profile);
2353        profile.nPortIndex = kPortIndexInput;
2354
2355        status_t err = mOMX->getParameter(
2356                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
2357        CHECK_EQ(err, OK);
2358
2359        profile.nChannels = numChannels;
2360        profile.nSampleRate = sampleRate;
2361        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
2362
2363        err = mOMX->setParameter(
2364                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
2365        CHECK_EQ(err, OK);
2366    }
2367}
2368
2369void OMXCodec::setImageOutputFormat(
2370        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
2371    CODEC_LOGV("setImageOutputFormat(%ld, %ld)", width, height);
2372
2373#if 0
2374    OMX_INDEXTYPE index;
2375    status_t err = mOMX->get_extension_index(
2376            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
2377    CHECK_EQ(err, OK);
2378
2379    err = mOMX->set_config(mNode, index, &format, sizeof(format));
2380    CHECK_EQ(err, OK);
2381#endif
2382
2383    OMX_PARAM_PORTDEFINITIONTYPE def;
2384    InitOMXParams(&def);
2385    def.nPortIndex = kPortIndexOutput;
2386
2387    status_t err = mOMX->getParameter(
2388            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2389    CHECK_EQ(err, OK);
2390
2391    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
2392
2393    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2394
2395    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2396    imageDef->eColorFormat = format;
2397    imageDef->nFrameWidth = width;
2398    imageDef->nFrameHeight = height;
2399
2400    switch (format) {
2401        case OMX_COLOR_FormatYUV420PackedPlanar:
2402        case OMX_COLOR_FormatYUV411Planar:
2403        {
2404            def.nBufferSize = (width * height * 3) / 2;
2405            break;
2406        }
2407
2408        case OMX_COLOR_FormatCbYCrY:
2409        {
2410            def.nBufferSize = width * height * 2;
2411            break;
2412        }
2413
2414        case OMX_COLOR_Format32bitARGB8888:
2415        {
2416            def.nBufferSize = width * height * 4;
2417            break;
2418        }
2419
2420        case OMX_COLOR_Format16bitARGB4444:
2421        case OMX_COLOR_Format16bitARGB1555:
2422        case OMX_COLOR_Format16bitRGB565:
2423        case OMX_COLOR_Format16bitBGR565:
2424        {
2425            def.nBufferSize = width * height * 2;
2426            break;
2427        }
2428
2429        default:
2430            CHECK(!"Should not be here. Unknown color format.");
2431            break;
2432    }
2433
2434    def.nBufferCountActual = def.nBufferCountMin;
2435
2436    err = mOMX->setParameter(
2437            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2438    CHECK_EQ(err, OK);
2439}
2440
2441void OMXCodec::setJPEGInputFormat(
2442        OMX_U32 width, OMX_U32 height, OMX_U32 compressedSize) {
2443    OMX_PARAM_PORTDEFINITIONTYPE def;
2444    InitOMXParams(&def);
2445    def.nPortIndex = kPortIndexInput;
2446
2447    status_t err = mOMX->getParameter(
2448            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2449    CHECK_EQ(err, OK);
2450
2451    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
2452    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2453
2454    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
2455    imageDef->nFrameWidth = width;
2456    imageDef->nFrameHeight = height;
2457
2458    def.nBufferSize = compressedSize;
2459    def.nBufferCountActual = def.nBufferCountMin;
2460
2461    err = mOMX->setParameter(
2462            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2463    CHECK_EQ(err, OK);
2464}
2465
2466void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
2467    CodecSpecificData *specific =
2468        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
2469
2470    specific->mSize = size;
2471    memcpy(specific->mData, data, size);
2472
2473    mCodecSpecificData.push(specific);
2474}
2475
2476void OMXCodec::clearCodecSpecificData() {
2477    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
2478        free(mCodecSpecificData.editItemAt(i));
2479    }
2480    mCodecSpecificData.clear();
2481    mCodecSpecificDataIndex = 0;
2482}
2483
2484status_t OMXCodec::start(MetaData *) {
2485    Mutex::Autolock autoLock(mLock);
2486
2487    if (mState != LOADED) {
2488        return UNKNOWN_ERROR;
2489    }
2490
2491    sp<MetaData> params = new MetaData;
2492    if (mQuirks & kWantsNALFragments) {
2493        params->setInt32(kKeyWantsNALFragments, true);
2494    }
2495    status_t err = mSource->start(params.get());
2496
2497    if (err != OK) {
2498        return err;
2499    }
2500
2501    mCodecSpecificDataIndex = 0;
2502    mInitialBufferSubmit = true;
2503    mSignalledEOS = false;
2504    mNoMoreOutputData = false;
2505    mOutputPortSettingsHaveChanged = false;
2506    mSeekTimeUs = -1;
2507    mFilledBuffers.clear();
2508
2509    return init();
2510}
2511
2512status_t OMXCodec::stop() {
2513    CODEC_LOGV("stop mState=%d", mState);
2514
2515    Mutex::Autolock autoLock(mLock);
2516
2517    while (isIntermediateState(mState)) {
2518        mAsyncCompletion.wait(mLock);
2519    }
2520
2521    switch (mState) {
2522        case LOADED:
2523        case ERROR:
2524            break;
2525
2526        case EXECUTING:
2527        {
2528            setState(EXECUTING_TO_IDLE);
2529
2530            if (mQuirks & kRequiresFlushBeforeShutdown) {
2531                CODEC_LOGV("This component requires a flush before transitioning "
2532                     "from EXECUTING to IDLE...");
2533
2534                bool emulateInputFlushCompletion =
2535                    !flushPortAsync(kPortIndexInput);
2536
2537                bool emulateOutputFlushCompletion =
2538                    !flushPortAsync(kPortIndexOutput);
2539
2540                if (emulateInputFlushCompletion) {
2541                    onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2542                }
2543
2544                if (emulateOutputFlushCompletion) {
2545                    onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2546                }
2547            } else {
2548                mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
2549                mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
2550
2551                status_t err =
2552                    mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
2553                CHECK_EQ(err, OK);
2554            }
2555
2556            while (mState != LOADED && mState != ERROR) {
2557                mAsyncCompletion.wait(mLock);
2558            }
2559
2560            break;
2561        }
2562
2563        default:
2564        {
2565            CHECK(!"should not be here.");
2566            break;
2567        }
2568    }
2569
2570    if (mLeftOverBuffer) {
2571        mLeftOverBuffer->release();
2572        mLeftOverBuffer = NULL;
2573    }
2574
2575    mSource->stop();
2576
2577    CODEC_LOGV("stopped");
2578
2579    return OK;
2580}
2581
2582sp<MetaData> OMXCodec::getFormat() {
2583    Mutex::Autolock autoLock(mLock);
2584
2585    return mOutputFormat;
2586}
2587
2588status_t OMXCodec::read(
2589        MediaBuffer **buffer, const ReadOptions *options) {
2590    *buffer = NULL;
2591
2592    Mutex::Autolock autoLock(mLock);
2593
2594    if (mState != EXECUTING && mState != RECONFIGURING) {
2595        return UNKNOWN_ERROR;
2596    }
2597
2598    bool seeking = false;
2599    int64_t seekTimeUs;
2600    if (options && options->getSeekTo(&seekTimeUs)) {
2601        seeking = true;
2602    }
2603
2604    if (mInitialBufferSubmit) {
2605        mInitialBufferSubmit = false;
2606
2607        if (seeking) {
2608            CHECK(seekTimeUs >= 0);
2609            mSeekTimeUs = seekTimeUs;
2610
2611            // There's no reason to trigger the code below, there's
2612            // nothing to flush yet.
2613            seeking = false;
2614        }
2615
2616        drainInputBuffers();
2617
2618        if (mState == EXECUTING) {
2619            // Otherwise mState == RECONFIGURING and this code will trigger
2620            // after the output port is reenabled.
2621            fillOutputBuffers();
2622        }
2623    }
2624
2625    if (seeking) {
2626        CODEC_LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
2627
2628        mSignalledEOS = false;
2629
2630        CHECK(seekTimeUs >= 0);
2631        mSeekTimeUs = seekTimeUs;
2632
2633        mFilledBuffers.clear();
2634
2635        CHECK_EQ(mState, EXECUTING);
2636
2637        bool emulateInputFlushCompletion = !flushPortAsync(kPortIndexInput);
2638        bool emulateOutputFlushCompletion = !flushPortAsync(kPortIndexOutput);
2639
2640        if (emulateInputFlushCompletion) {
2641            onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2642        }
2643
2644        if (emulateOutputFlushCompletion) {
2645            onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2646        }
2647
2648        while (mSeekTimeUs >= 0) {
2649            mBufferFilled.wait(mLock);
2650        }
2651    }
2652
2653    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
2654        mBufferFilled.wait(mLock);
2655    }
2656
2657    if (mState == ERROR) {
2658        return UNKNOWN_ERROR;
2659    }
2660
2661    if (mFilledBuffers.empty()) {
2662        return mSignalledEOS ? mFinalStatus : ERROR_END_OF_STREAM;
2663    }
2664
2665    if (mOutputPortSettingsHaveChanged) {
2666        mOutputPortSettingsHaveChanged = false;
2667
2668        return INFO_FORMAT_CHANGED;
2669    }
2670
2671    size_t index = *mFilledBuffers.begin();
2672    mFilledBuffers.erase(mFilledBuffers.begin());
2673
2674    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
2675    info->mMediaBuffer->add_ref();
2676    *buffer = info->mMediaBuffer;
2677
2678    return OK;
2679}
2680
2681void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
2682    Mutex::Autolock autoLock(mLock);
2683
2684    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
2685    for (size_t i = 0; i < buffers->size(); ++i) {
2686        BufferInfo *info = &buffers->editItemAt(i);
2687
2688        if (info->mMediaBuffer == buffer) {
2689            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
2690            fillOutputBuffer(info);
2691            return;
2692        }
2693    }
2694
2695    CHECK(!"should not be here.");
2696}
2697
2698static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
2699    static const char *kNames[] = {
2700        "OMX_IMAGE_CodingUnused",
2701        "OMX_IMAGE_CodingAutoDetect",
2702        "OMX_IMAGE_CodingJPEG",
2703        "OMX_IMAGE_CodingJPEG2K",
2704        "OMX_IMAGE_CodingEXIF",
2705        "OMX_IMAGE_CodingTIFF",
2706        "OMX_IMAGE_CodingGIF",
2707        "OMX_IMAGE_CodingPNG",
2708        "OMX_IMAGE_CodingLZW",
2709        "OMX_IMAGE_CodingBMP",
2710    };
2711
2712    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2713
2714    if (type < 0 || (size_t)type >= numNames) {
2715        return "UNKNOWN";
2716    } else {
2717        return kNames[type];
2718    }
2719}
2720
2721static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
2722    static const char *kNames[] = {
2723        "OMX_COLOR_FormatUnused",
2724        "OMX_COLOR_FormatMonochrome",
2725        "OMX_COLOR_Format8bitRGB332",
2726        "OMX_COLOR_Format12bitRGB444",
2727        "OMX_COLOR_Format16bitARGB4444",
2728        "OMX_COLOR_Format16bitARGB1555",
2729        "OMX_COLOR_Format16bitRGB565",
2730        "OMX_COLOR_Format16bitBGR565",
2731        "OMX_COLOR_Format18bitRGB666",
2732        "OMX_COLOR_Format18bitARGB1665",
2733        "OMX_COLOR_Format19bitARGB1666",
2734        "OMX_COLOR_Format24bitRGB888",
2735        "OMX_COLOR_Format24bitBGR888",
2736        "OMX_COLOR_Format24bitARGB1887",
2737        "OMX_COLOR_Format25bitARGB1888",
2738        "OMX_COLOR_Format32bitBGRA8888",
2739        "OMX_COLOR_Format32bitARGB8888",
2740        "OMX_COLOR_FormatYUV411Planar",
2741        "OMX_COLOR_FormatYUV411PackedPlanar",
2742        "OMX_COLOR_FormatYUV420Planar",
2743        "OMX_COLOR_FormatYUV420PackedPlanar",
2744        "OMX_COLOR_FormatYUV420SemiPlanar",
2745        "OMX_COLOR_FormatYUV422Planar",
2746        "OMX_COLOR_FormatYUV422PackedPlanar",
2747        "OMX_COLOR_FormatYUV422SemiPlanar",
2748        "OMX_COLOR_FormatYCbYCr",
2749        "OMX_COLOR_FormatYCrYCb",
2750        "OMX_COLOR_FormatCbYCrY",
2751        "OMX_COLOR_FormatCrYCbY",
2752        "OMX_COLOR_FormatYUV444Interleaved",
2753        "OMX_COLOR_FormatRawBayer8bit",
2754        "OMX_COLOR_FormatRawBayer10bit",
2755        "OMX_COLOR_FormatRawBayer8bitcompressed",
2756        "OMX_COLOR_FormatL2",
2757        "OMX_COLOR_FormatL4",
2758        "OMX_COLOR_FormatL8",
2759        "OMX_COLOR_FormatL16",
2760        "OMX_COLOR_FormatL24",
2761        "OMX_COLOR_FormatL32",
2762        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
2763        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
2764        "OMX_COLOR_Format18BitBGR666",
2765        "OMX_COLOR_Format24BitARGB6666",
2766        "OMX_COLOR_Format24BitABGR6666",
2767    };
2768
2769    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2770
2771    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
2772        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
2773    } else if (type < 0 || (size_t)type >= numNames) {
2774        return "UNKNOWN";
2775    } else {
2776        return kNames[type];
2777    }
2778}
2779
2780static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
2781    static const char *kNames[] = {
2782        "OMX_VIDEO_CodingUnused",
2783        "OMX_VIDEO_CodingAutoDetect",
2784        "OMX_VIDEO_CodingMPEG2",
2785        "OMX_VIDEO_CodingH263",
2786        "OMX_VIDEO_CodingMPEG4",
2787        "OMX_VIDEO_CodingWMV",
2788        "OMX_VIDEO_CodingRV",
2789        "OMX_VIDEO_CodingAVC",
2790        "OMX_VIDEO_CodingMJPEG",
2791    };
2792
2793    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2794
2795    if (type < 0 || (size_t)type >= numNames) {
2796        return "UNKNOWN";
2797    } else {
2798        return kNames[type];
2799    }
2800}
2801
2802static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
2803    static const char *kNames[] = {
2804        "OMX_AUDIO_CodingUnused",
2805        "OMX_AUDIO_CodingAutoDetect",
2806        "OMX_AUDIO_CodingPCM",
2807        "OMX_AUDIO_CodingADPCM",
2808        "OMX_AUDIO_CodingAMR",
2809        "OMX_AUDIO_CodingGSMFR",
2810        "OMX_AUDIO_CodingGSMEFR",
2811        "OMX_AUDIO_CodingGSMHR",
2812        "OMX_AUDIO_CodingPDCFR",
2813        "OMX_AUDIO_CodingPDCEFR",
2814        "OMX_AUDIO_CodingPDCHR",
2815        "OMX_AUDIO_CodingTDMAFR",
2816        "OMX_AUDIO_CodingTDMAEFR",
2817        "OMX_AUDIO_CodingQCELP8",
2818        "OMX_AUDIO_CodingQCELP13",
2819        "OMX_AUDIO_CodingEVRC",
2820        "OMX_AUDIO_CodingSMV",
2821        "OMX_AUDIO_CodingG711",
2822        "OMX_AUDIO_CodingG723",
2823        "OMX_AUDIO_CodingG726",
2824        "OMX_AUDIO_CodingG729",
2825        "OMX_AUDIO_CodingAAC",
2826        "OMX_AUDIO_CodingMP3",
2827        "OMX_AUDIO_CodingSBC",
2828        "OMX_AUDIO_CodingVORBIS",
2829        "OMX_AUDIO_CodingWMA",
2830        "OMX_AUDIO_CodingRA",
2831        "OMX_AUDIO_CodingMIDI",
2832    };
2833
2834    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2835
2836    if (type < 0 || (size_t)type >= numNames) {
2837        return "UNKNOWN";
2838    } else {
2839        return kNames[type];
2840    }
2841}
2842
2843static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
2844    static const char *kNames[] = {
2845        "OMX_AUDIO_PCMModeLinear",
2846        "OMX_AUDIO_PCMModeALaw",
2847        "OMX_AUDIO_PCMModeMULaw",
2848    };
2849
2850    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2851
2852    if (type < 0 || (size_t)type >= numNames) {
2853        return "UNKNOWN";
2854    } else {
2855        return kNames[type];
2856    }
2857}
2858
2859static const char *amrBandModeString(OMX_AUDIO_AMRBANDMODETYPE type) {
2860    static const char *kNames[] = {
2861        "OMX_AUDIO_AMRBandModeUnused",
2862        "OMX_AUDIO_AMRBandModeNB0",
2863        "OMX_AUDIO_AMRBandModeNB1",
2864        "OMX_AUDIO_AMRBandModeNB2",
2865        "OMX_AUDIO_AMRBandModeNB3",
2866        "OMX_AUDIO_AMRBandModeNB4",
2867        "OMX_AUDIO_AMRBandModeNB5",
2868        "OMX_AUDIO_AMRBandModeNB6",
2869        "OMX_AUDIO_AMRBandModeNB7",
2870        "OMX_AUDIO_AMRBandModeWB0",
2871        "OMX_AUDIO_AMRBandModeWB1",
2872        "OMX_AUDIO_AMRBandModeWB2",
2873        "OMX_AUDIO_AMRBandModeWB3",
2874        "OMX_AUDIO_AMRBandModeWB4",
2875        "OMX_AUDIO_AMRBandModeWB5",
2876        "OMX_AUDIO_AMRBandModeWB6",
2877        "OMX_AUDIO_AMRBandModeWB7",
2878        "OMX_AUDIO_AMRBandModeWB8",
2879    };
2880
2881    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2882
2883    if (type < 0 || (size_t)type >= numNames) {
2884        return "UNKNOWN";
2885    } else {
2886        return kNames[type];
2887    }
2888}
2889
2890static const char *amrFrameFormatString(OMX_AUDIO_AMRFRAMEFORMATTYPE type) {
2891    static const char *kNames[] = {
2892        "OMX_AUDIO_AMRFrameFormatConformance",
2893        "OMX_AUDIO_AMRFrameFormatIF1",
2894        "OMX_AUDIO_AMRFrameFormatIF2",
2895        "OMX_AUDIO_AMRFrameFormatFSF",
2896        "OMX_AUDIO_AMRFrameFormatRTPPayload",
2897        "OMX_AUDIO_AMRFrameFormatITU",
2898    };
2899
2900    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2901
2902    if (type < 0 || (size_t)type >= numNames) {
2903        return "UNKNOWN";
2904    } else {
2905        return kNames[type];
2906    }
2907}
2908
2909void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
2910    OMX_PARAM_PORTDEFINITIONTYPE def;
2911    InitOMXParams(&def);
2912    def.nPortIndex = portIndex;
2913
2914    status_t err = mOMX->getParameter(
2915            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2916    CHECK_EQ(err, OK);
2917
2918    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
2919
2920    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
2921          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
2922
2923    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
2924    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
2925    printf("  nBufferSize = %ld\n", def.nBufferSize);
2926
2927    switch (def.eDomain) {
2928        case OMX_PortDomainImage:
2929        {
2930            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2931
2932            printf("\n");
2933            printf("  // Image\n");
2934            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
2935            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
2936            printf("  nStride = %ld\n", imageDef->nStride);
2937
2938            printf("  eCompressionFormat = %s\n",
2939                   imageCompressionFormatString(imageDef->eCompressionFormat));
2940
2941            printf("  eColorFormat = %s\n",
2942                   colorFormatString(imageDef->eColorFormat));
2943
2944            break;
2945        }
2946
2947        case OMX_PortDomainVideo:
2948        {
2949            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2950
2951            printf("\n");
2952            printf("  // Video\n");
2953            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
2954            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
2955            printf("  nStride = %ld\n", videoDef->nStride);
2956
2957            printf("  eCompressionFormat = %s\n",
2958                   videoCompressionFormatString(videoDef->eCompressionFormat));
2959
2960            printf("  eColorFormat = %s\n",
2961                   colorFormatString(videoDef->eColorFormat));
2962
2963            break;
2964        }
2965
2966        case OMX_PortDomainAudio:
2967        {
2968            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2969
2970            printf("\n");
2971            printf("  // Audio\n");
2972            printf("  eEncoding = %s\n",
2973                   audioCodingTypeString(audioDef->eEncoding));
2974
2975            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
2976                OMX_AUDIO_PARAM_PCMMODETYPE params;
2977                InitOMXParams(&params);
2978                params.nPortIndex = portIndex;
2979
2980                err = mOMX->getParameter(
2981                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2982                CHECK_EQ(err, OK);
2983
2984                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
2985                printf("  nChannels = %ld\n", params.nChannels);
2986                printf("  bInterleaved = %d\n", params.bInterleaved);
2987                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
2988
2989                printf("  eNumData = %s\n",
2990                       params.eNumData == OMX_NumericalDataSigned
2991                        ? "signed" : "unsigned");
2992
2993                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
2994            } else if (audioDef->eEncoding == OMX_AUDIO_CodingAMR) {
2995                OMX_AUDIO_PARAM_AMRTYPE amr;
2996                InitOMXParams(&amr);
2997                amr.nPortIndex = portIndex;
2998
2999                err = mOMX->getParameter(
3000                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
3001                CHECK_EQ(err, OK);
3002
3003                printf("  nChannels = %ld\n", amr.nChannels);
3004                printf("  eAMRBandMode = %s\n",
3005                        amrBandModeString(amr.eAMRBandMode));
3006                printf("  eAMRFrameFormat = %s\n",
3007                        amrFrameFormatString(amr.eAMRFrameFormat));
3008            }
3009
3010            break;
3011        }
3012
3013        default:
3014        {
3015            printf("  // Unknown\n");
3016            break;
3017        }
3018    }
3019
3020    printf("}\n");
3021}
3022
3023void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
3024    mOutputFormat = new MetaData;
3025    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
3026
3027    OMX_PARAM_PORTDEFINITIONTYPE def;
3028    InitOMXParams(&def);
3029    def.nPortIndex = kPortIndexOutput;
3030
3031    status_t err = mOMX->getParameter(
3032            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
3033    CHECK_EQ(err, OK);
3034
3035    switch (def.eDomain) {
3036        case OMX_PortDomainImage:
3037        {
3038            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
3039            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
3040
3041            mOutputFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
3042            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
3043            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
3044            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
3045            break;
3046        }
3047
3048        case OMX_PortDomainAudio:
3049        {
3050            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
3051
3052            if (audio_def->eEncoding == OMX_AUDIO_CodingPCM) {
3053                OMX_AUDIO_PARAM_PCMMODETYPE params;
3054                InitOMXParams(&params);
3055                params.nPortIndex = kPortIndexOutput;
3056
3057                err = mOMX->getParameter(
3058                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
3059                CHECK_EQ(err, OK);
3060
3061                CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
3062                CHECK_EQ(params.nBitPerSample, 16);
3063                CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
3064
3065                int32_t numChannels, sampleRate;
3066                inputFormat->findInt32(kKeyChannelCount, &numChannels);
3067                inputFormat->findInt32(kKeySampleRate, &sampleRate);
3068
3069                if ((OMX_U32)numChannels != params.nChannels) {
3070                    LOGW("Codec outputs a different number of channels than "
3071                         "the input stream contains (contains %d channels, "
3072                         "codec outputs %ld channels).",
3073                         numChannels, params.nChannels);
3074                }
3075
3076                mOutputFormat->setCString(
3077                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
3078
3079                // Use the codec-advertised number of channels, as some
3080                // codecs appear to output stereo even if the input data is
3081                // mono. If we know the codec lies about this information,
3082                // use the actual number of channels instead.
3083                mOutputFormat->setInt32(
3084                        kKeyChannelCount,
3085                        (mQuirks & kDecoderLiesAboutNumberOfChannels)
3086                            ? numChannels : params.nChannels);
3087
3088                // The codec-reported sampleRate is not reliable...
3089                mOutputFormat->setInt32(kKeySampleRate, sampleRate);
3090            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAMR) {
3091                OMX_AUDIO_PARAM_AMRTYPE amr;
3092                InitOMXParams(&amr);
3093                amr.nPortIndex = kPortIndexOutput;
3094
3095                err = mOMX->getParameter(
3096                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
3097                CHECK_EQ(err, OK);
3098
3099                CHECK_EQ(amr.nChannels, 1);
3100                mOutputFormat->setInt32(kKeyChannelCount, 1);
3101
3102                if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeNB0
3103                    && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeNB7) {
3104                    mOutputFormat->setCString(
3105                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_NB);
3106                    mOutputFormat->setInt32(kKeySampleRate, 8000);
3107                } else if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0
3108                            && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeWB8) {
3109                    mOutputFormat->setCString(
3110                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_WB);
3111                    mOutputFormat->setInt32(kKeySampleRate, 16000);
3112                } else {
3113                    CHECK(!"Unknown AMR band mode.");
3114                }
3115            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAAC) {
3116                mOutputFormat->setCString(
3117                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AAC);
3118                int32_t numChannels, sampleRate, bitRate;
3119                inputFormat->findInt32(kKeyChannelCount, &numChannels);
3120                inputFormat->findInt32(kKeySampleRate, &sampleRate);
3121                inputFormat->findInt32(kKeyBitRate, &bitRate);
3122                mOutputFormat->setInt32(kKeyChannelCount, numChannels);
3123                mOutputFormat->setInt32(kKeySampleRate, sampleRate);
3124                mOutputFormat->setInt32(kKeyBitRate, bitRate);
3125            } else {
3126                CHECK(!"Should not be here. Unknown audio encoding.");
3127            }
3128            break;
3129        }
3130
3131        case OMX_PortDomainVideo:
3132        {
3133            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
3134
3135            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
3136                mOutputFormat->setCString(
3137                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
3138            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
3139                mOutputFormat->setCString(
3140                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
3141            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
3142                mOutputFormat->setCString(
3143                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
3144            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
3145                mOutputFormat->setCString(
3146                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
3147            } else {
3148                CHECK(!"Unknown compression format.");
3149            }
3150
3151            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
3152                // This component appears to be lying to me.
3153                mOutputFormat->setInt32(
3154                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
3155                mOutputFormat->setInt32(
3156                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
3157            } else {
3158                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
3159                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
3160            }
3161
3162            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
3163            break;
3164        }
3165
3166        default:
3167        {
3168            CHECK(!"should not be here, neither audio nor video.");
3169            break;
3170        }
3171    }
3172}
3173
3174////////////////////////////////////////////////////////////////////////////////
3175
3176status_t QueryCodecs(
3177        const sp<IOMX> &omx,
3178        const char *mime, bool queryDecoders,
3179        Vector<CodecCapabilities> *results) {
3180    results->clear();
3181
3182    for (int index = 0;; ++index) {
3183        const char *componentName;
3184
3185        if (!queryDecoders) {
3186            componentName = GetCodec(
3187                    kEncoderInfo, sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
3188                    mime, index);
3189        } else {
3190            componentName = GetCodec(
3191                    kDecoderInfo, sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
3192                    mime, index);
3193        }
3194
3195        if (!componentName) {
3196            return OK;
3197        }
3198
3199        if (strncmp(componentName, "OMX.", 4)) {
3200            // Not an OpenMax component but a software codec.
3201
3202            results->push();
3203            CodecCapabilities *caps = &results->editItemAt(results->size() - 1);
3204            caps->mComponentName = componentName;
3205
3206            continue;
3207        }
3208
3209        sp<OMXCodecObserver> observer = new OMXCodecObserver;
3210        IOMX::node_id node;
3211        status_t err = omx->allocateNode(componentName, observer, &node);
3212
3213        if (err != OK) {
3214            continue;
3215        }
3216
3217        OMXCodec::setComponentRole(omx, node, !queryDecoders, mime);
3218
3219        results->push();
3220        CodecCapabilities *caps = &results->editItemAt(results->size() - 1);
3221        caps->mComponentName = componentName;
3222
3223        OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
3224        InitOMXParams(&param);
3225
3226        param.nPortIndex = queryDecoders ? 0 : 1;
3227
3228        for (param.nProfileIndex = 0;; ++param.nProfileIndex) {
3229            err = omx->getParameter(
3230                    node, OMX_IndexParamVideoProfileLevelQuerySupported,
3231                    &param, sizeof(param));
3232
3233            if (err != OK) {
3234                break;
3235            }
3236
3237            CodecProfileLevel profileLevel;
3238            profileLevel.mProfile = param.eProfile;
3239            profileLevel.mLevel = param.eLevel;
3240
3241            caps->mProfileLevels.push(profileLevel);
3242        }
3243
3244        CHECK_EQ(omx->freeNode(node), OK);
3245    }
3246}
3247
3248}  // namespace android
3249