OMXCodec.cpp revision 08a88e195d2b3697f2f967e9216491e8c5bd3c9e 
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/AMRNBDecoder.h"
23#include "include/AMRNBEncoder.h"
24#include "include/AMRWBDecoder.h"
25#include "include/AVCDecoder.h"
26#include "include/M4vH263Decoder.h"
27#include "include/MP3Decoder.h"
28
29#include "include/ESDS.h"
30
31#include <binder/IServiceManager.h>
32#include <binder/MemoryDealer.h>
33#include <binder/ProcessState.h>
34#include <media/IMediaPlayerService.h>
35#include <media/stagefright/MediaBuffer.h>
36#include <media/stagefright/MediaBufferGroup.h>
37#include <media/stagefright/MediaDebug.h>
38#include <media/stagefright/MediaDefs.h>
39#include <media/stagefright/MediaExtractor.h>
40#include <media/stagefright/MetaData.h>
41#include <media/stagefright/OMXCodec.h>
42#include <media/stagefright/Utils.h>
43#include <utils/Vector.h>
44
45#include <OMX_Audio.h>
46#include <OMX_Component.h>
47
48namespace android {
49
50static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
51
52struct CodecInfo {
53    const char *mime;
54    const char *codec;
55};
56
57#define FACTORY_CREATE(name) \
58static sp<MediaSource> Make##name(const sp<MediaSource> &source) { \
59    return new name(source); \
60}
61
62#define FACTORY_REF(name) { #name, Make##name },
63
64FACTORY_CREATE(MP3Decoder)
65FACTORY_CREATE(AMRNBDecoder)
66FACTORY_CREATE(AMRWBDecoder)
67FACTORY_CREATE(AACDecoder)
68FACTORY_CREATE(AVCDecoder)
69FACTORY_CREATE(M4vH263Decoder)
70FACTORY_CREATE(AMRNBEncoder)
71
72static sp<MediaSource> InstantiateSoftwareCodec(
73        const char *name, const sp<MediaSource> &source) {
74    struct FactoryInfo {
75        const char *name;
76        sp<MediaSource> (*CreateFunc)(const sp<MediaSource> &);
77    };
78
79    static const FactoryInfo kFactoryInfo[] = {
80        FACTORY_REF(MP3Decoder)
81        FACTORY_REF(AMRNBDecoder)
82        FACTORY_REF(AMRWBDecoder)
83        FACTORY_REF(AACDecoder)
84        FACTORY_REF(AVCDecoder)
85        FACTORY_REF(M4vH263Decoder)
86        FACTORY_REF(AMRNBEncoder)
87    };
88    for (size_t i = 0;
89         i < sizeof(kFactoryInfo) / sizeof(kFactoryInfo[0]); ++i) {
90        if (!strcmp(name, kFactoryInfo[i].name)) {
91            return (*kFactoryInfo[i].CreateFunc)(source);
92        }
93    }
94
95    return NULL;
96}
97
98#undef FACTORY_REF
99#undef FACTORY_CREATE
100
101static const CodecInfo kDecoderInfo[] = {
102    { MEDIA_MIMETYPE_IMAGE_JPEG, "OMX.TI.JPEG.decode" },
103    { MEDIA_MIMETYPE_AUDIO_MPEG, "OMX.TI.MP3.decode" },
104    { MEDIA_MIMETYPE_AUDIO_MPEG, "MP3Decoder" },
105//    { MEDIA_MIMETYPE_AUDIO_MPEG, "OMX.PV.mp3dec" },
106    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "AMRNBDecoder" },
107//    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.PV.amrdec" },
108    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.decode" },
109    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "AMRWBDecoder" },
110//    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.PV.amrdec" },
111    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.decode" },
112    { MEDIA_MIMETYPE_AUDIO_AAC, "AACDecoder" },
113//    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.PV.aacdec" },
114    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.decoder.mpeg4" },
115    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.Decoder" },
116    { MEDIA_MIMETYPE_VIDEO_MPEG4, "M4vH263Decoder" },
117//    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.PV.mpeg4dec" },
118    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.decoder.h263" },
119    { MEDIA_MIMETYPE_VIDEO_H263, "M4vH263Decoder" },
120//    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263dec" },
121    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.qcom.video.decoder.avc" },
122    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.Decoder" },
123    { MEDIA_MIMETYPE_VIDEO_AVC, "AVCDecoder" },
124//    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcdec" },
125};
126
127static const CodecInfo kEncoderInfo[] = {
128    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.TI.AMR.encode" },
129    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "AMRNBEncoder" },
130    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.encode" },
131    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.encode" },
132    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.PV.aacenc" },
133    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.encoder.mpeg4" },
134    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.encoder" },
135    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.PV.mpeg4enc" },
136    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.encoder.h263" },
137    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.TI.Video.encoder" },
138    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263enc" },
139    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.encoder" },
140    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcenc" },
141};
142
143#undef OPTIONAL
144
145#define CODEC_LOGI(x, ...) LOGI("[%s] "x, mComponentName, ##__VA_ARGS__)
146#define CODEC_LOGV(x, ...) LOGV("[%s] "x, mComponentName, ##__VA_ARGS__)
147#define CODEC_LOGE(x, ...) LOGE("[%s] "x, mComponentName, ##__VA_ARGS__)
148
149struct OMXCodecObserver : public BnOMXObserver {
150    OMXCodecObserver() {
151    }
152
153    void setCodec(const sp<OMXCodec> &target) {
154        mTarget = target;
155    }
156
157    // from IOMXObserver
158    virtual void onMessage(const omx_message &msg) {
159        sp<OMXCodec> codec = mTarget.promote();
160
161        if (codec.get() != NULL) {
162            codec->on_message(msg);
163        }
164    }
165
166protected:
167    virtual ~OMXCodecObserver() {}
168
169private:
170    wp<OMXCodec> mTarget;
171
172    OMXCodecObserver(const OMXCodecObserver &);
173    OMXCodecObserver &operator=(const OMXCodecObserver &);
174};
175
176static const char *GetCodec(const CodecInfo *info, size_t numInfos,
177                            const char *mime, int index) {
178    CHECK(index >= 0);
179    for(size_t i = 0; i < numInfos; ++i) {
180        if (!strcasecmp(mime, info[i].mime)) {
181            if (index == 0) {
182                return info[i].codec;
183            }
184
185            --index;
186        }
187    }
188
189    return NULL;
190}
191
192enum {
193    kAVCProfileBaseline      = 0x42,
194    kAVCProfileMain          = 0x4d,
195    kAVCProfileExtended      = 0x58,
196    kAVCProfileHigh          = 0x64,
197    kAVCProfileHigh10        = 0x6e,
198    kAVCProfileHigh422       = 0x7a,
199    kAVCProfileHigh444       = 0xf4,
200    kAVCProfileCAVLC444Intra = 0x2c
201};
202
203static const char *AVCProfileToString(uint8_t profile) {
204    switch (profile) {
205        case kAVCProfileBaseline:
206            return "Baseline";
207        case kAVCProfileMain:
208            return "Main";
209        case kAVCProfileExtended:
210            return "Extended";
211        case kAVCProfileHigh:
212            return "High";
213        case kAVCProfileHigh10:
214            return "High 10";
215        case kAVCProfileHigh422:
216            return "High 422";
217        case kAVCProfileHigh444:
218            return "High 444";
219        case kAVCProfileCAVLC444Intra:
220            return "CAVLC 444 Intra";
221        default:   return "Unknown";
222    }
223}
224
225template<class T>
226static void InitOMXParams(T *params) {
227    params->nSize = sizeof(T);
228    params->nVersion.s.nVersionMajor = 1;
229    params->nVersion.s.nVersionMinor = 0;
230    params->nVersion.s.nRevision = 0;
231    params->nVersion.s.nStep = 0;
232}
233
234static bool IsSoftwareCodec(const char *componentName) {
235    if (!strncmp("OMX.PV.", componentName, 7)) {
236        return true;
237    }
238
239    return false;
240}
241
242// A sort order in which non-OMX components are first,
243// followed by software codecs, i.e. OMX.PV.*, followed
244// by all the others.
245static int CompareSoftwareCodecsFirst(
246        const String8 *elem1, const String8 *elem2) {
247    bool isNotOMX1 = strncmp(elem1->string(), "OMX.", 4);
248    bool isNotOMX2 = strncmp(elem2->string(), "OMX.", 4);
249
250    if (isNotOMX1) {
251        if (isNotOMX2) { return 0; }
252        return -1;
253    }
254    if (isNotOMX2) {
255        return 1;
256    }
257
258    bool isSoftwareCodec1 = IsSoftwareCodec(elem1->string());
259    bool isSoftwareCodec2 = IsSoftwareCodec(elem2->string());
260
261    if (isSoftwareCodec1) {
262        if (isSoftwareCodec2) { return 0; }
263        return -1;
264    }
265
266    if (isSoftwareCodec2) {
267        return 1;
268    }
269
270    return 0;
271}
272
273// static
274uint32_t OMXCodec::getComponentQuirks(const char *componentName) {
275    uint32_t quirks = 0;
276
277    if (!strcmp(componentName, "OMX.PV.avcdec")) {
278        quirks |= kWantsNALFragments;
279    }
280    if (!strcmp(componentName, "OMX.TI.MP3.decode")) {
281        quirks |= kNeedsFlushBeforeDisable;
282        quirks |= kDecoderLiesAboutNumberOfChannels;
283    }
284    if (!strcmp(componentName, "OMX.TI.AAC.decode")) {
285        quirks |= kNeedsFlushBeforeDisable;
286        quirks |= kRequiresFlushCompleteEmulation;
287    }
288    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
289        quirks |= kRequiresLoadedToIdleAfterAllocation;
290        quirks |= kRequiresAllocateBufferOnInputPorts;
291        quirks |= kRequiresAllocateBufferOnOutputPorts;
292    }
293    if (!strncmp(componentName, "OMX.qcom.video.decoder.", 23)) {
294        quirks |= kRequiresAllocateBufferOnOutputPorts;
295        quirks |= kDefersOutputBufferAllocation;
296    }
297
298    if (!strncmp(componentName, "OMX.TI.", 7)) {
299        // Apparently I must not use OMX_UseBuffer on either input or
300        // output ports on any of the TI components or quote:
301        // "(I) may have unexpected problem (sic) which can be timing related
302        //  and hard to reproduce."
303
304        quirks |= kRequiresAllocateBufferOnInputPorts;
305        quirks |= kRequiresAllocateBufferOnOutputPorts;
306    }
307
308    if (!strcmp(componentName, "OMX.TI.Video.Decoder")) {
309        quirks |= kInputBufferSizesAreBogus;
310    }
311
312    return quirks;
313}
314
315// static
316void OMXCodec::findMatchingCodecs(
317        const char *mime,
318        bool createEncoder, const char *matchComponentName,
319        uint32_t flags,
320        Vector<String8> *matchingCodecs) {
321    matchingCodecs->clear();
322
323    for (int index = 0;; ++index) {
324        const char *componentName;
325
326        if (createEncoder) {
327            componentName = GetCodec(
328                    kEncoderInfo,
329                    sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
330                    mime, index);
331        } else {
332            componentName = GetCodec(
333                    kDecoderInfo,
334                    sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
335                    mime, index);
336        }
337
338        if (!componentName) {
339            break;
340        }
341
342        // If a specific codec is requested, skip the non-matching ones.
343        if (matchComponentName && strcmp(componentName, matchComponentName)) {
344            continue;
345        }
346
347        matchingCodecs->push(String8(componentName));
348    }
349
350    if (flags & kPreferSoftwareCodecs) {
351        matchingCodecs->sort(CompareSoftwareCodecsFirst);
352    }
353}
354
355// static
356sp<MediaSource> OMXCodec::Create(
357        const sp<IOMX> &omx,
358        const sp<MetaData> &meta, bool createEncoder,
359        const sp<MediaSource> &source,
360        const char *matchComponentName,
361        uint32_t flags) {
362    const char *mime;
363    bool success = meta->findCString(kKeyMIMEType, &mime);
364    CHECK(success);
365
366    Vector<String8> matchingCodecs;
367    findMatchingCodecs(
368            mime, createEncoder, matchComponentName, flags, &matchingCodecs);
369
370    if (matchingCodecs.isEmpty()) {
371        return NULL;
372    }
373
374    sp<OMXCodecObserver> observer = new OMXCodecObserver;
375    IOMX::node_id node = 0;
376
377    const char *componentName;
378    for (size_t i = 0; i < matchingCodecs.size(); ++i) {
379        componentName = matchingCodecs[i].string();
380
381#if BUILD_WITH_FULL_STAGEFRIGHT
382        sp<MediaSource> softwareCodec =
383            InstantiateSoftwareCodec(componentName, source);
384
385        if (softwareCodec != NULL) {
386            LOGV("Successfully allocated software codec '%s'", componentName);
387
388            return softwareCodec;
389        }
390#endif
391
392        LOGV("Attempting to allocate OMX node '%s'", componentName);
393
394        status_t err = omx->allocateNode(componentName, observer, &node);
395        if (err == OK) {
396            LOGV("Successfully allocated OMX node '%s'", componentName);
397
398            sp<OMXCodec> codec = new OMXCodec(
399                    omx, node, getComponentQuirks(componentName),
400                    createEncoder, mime, componentName,
401                    source);
402
403            observer->setCodec(codec);
404
405            err = codec->configureCodec(meta);
406
407            if (err == OK) {
408                return codec;
409            }
410
411            LOGV("Failed to configure codec '%s'", componentName);
412        }
413    }
414
415    return NULL;
416}
417
418status_t OMXCodec::configureCodec(const sp<MetaData> &meta) {
419    uint32_t type;
420    const void *data;
421    size_t size;
422    if (meta->findData(kKeyESDS, &type, &data, &size)) {
423        ESDS esds((const char *)data, size);
424        CHECK_EQ(esds.InitCheck(), OK);
425
426        const void *codec_specific_data;
427        size_t codec_specific_data_size;
428        esds.getCodecSpecificInfo(
429                &codec_specific_data, &codec_specific_data_size);
430
431        addCodecSpecificData(
432                codec_specific_data, codec_specific_data_size);
433    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
434        // Parse the AVCDecoderConfigurationRecord
435
436        const uint8_t *ptr = (const uint8_t *)data;
437
438        CHECK(size >= 7);
439        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
440        uint8_t profile = ptr[1];
441        uint8_t level = ptr[3];
442
443        // There is decodable content out there that fails the following
444        // assertion, let's be lenient for now...
445        // CHECK((ptr[4] >> 2) == 0x3f);  // reserved
446
447        size_t lengthSize = 1 + (ptr[4] & 3);
448
449        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
450        // violates it...
451        // CHECK((ptr[5] >> 5) == 7);  // reserved
452
453        size_t numSeqParameterSets = ptr[5] & 31;
454
455        ptr += 6;
456        size -= 6;
457
458        for (size_t i = 0; i < numSeqParameterSets; ++i) {
459            CHECK(size >= 2);
460            size_t length = U16_AT(ptr);
461
462            ptr += 2;
463            size -= 2;
464
465            CHECK(size >= length);
466
467            addCodecSpecificData(ptr, length);
468
469            ptr += length;
470            size -= length;
471        }
472
473        CHECK(size >= 1);
474        size_t numPictureParameterSets = *ptr;
475        ++ptr;
476        --size;
477
478        for (size_t i = 0; i < numPictureParameterSets; ++i) {
479            CHECK(size >= 2);
480            size_t length = U16_AT(ptr);
481
482            ptr += 2;
483            size -= 2;
484
485            CHECK(size >= length);
486
487            addCodecSpecificData(ptr, length);
488
489            ptr += length;
490            size -= length;
491        }
492
493        LOGV("AVC profile = %d (%s), level = %d",
494             (int)profile, AVCProfileToString(profile), (int)level / 10);
495
496        if (!strcmp(mComponentName, "OMX.TI.Video.Decoder")
497            && (profile != kAVCProfileBaseline || level > 39)) {
498            // This stream exceeds the decoder's capabilities. The decoder
499            // does not handle this gracefully and would clobber the heap
500            // and wreak havoc instead...
501
502            LOGE("Profile and/or level exceed the decoder's capabilities.");
503            return ERROR_UNSUPPORTED;
504        }
505    }
506
507    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, mMIME)) {
508        setAMRFormat(false /* isWAMR */);
509    }
510    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, mMIME)) {
511        setAMRFormat(true /* isWAMR */);
512    }
513    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AAC, mMIME)) {
514        int32_t numChannels, sampleRate;
515        CHECK(meta->findInt32(kKeyChannelCount, &numChannels));
516        CHECK(meta->findInt32(kKeySampleRate, &sampleRate));
517
518        setAACFormat(numChannels, sampleRate);
519    }
520    if (!strncasecmp(mMIME, "video/", 6)) {
521        int32_t width, height;
522        bool success = meta->findInt32(kKeyWidth, &width);
523        success = success && meta->findInt32(kKeyHeight, &height);
524        CHECK(success);
525
526        if (mIsEncoder) {
527            setVideoInputFormat(mMIME, width, height);
528        } else {
529            status_t err = setVideoOutputFormat(
530                    mMIME, width, height);
531
532            if (err != OK) {
533                return err;
534            }
535        }
536    }
537    if (!strcasecmp(mMIME, MEDIA_MIMETYPE_IMAGE_JPEG)
538        && !strcmp(mComponentName, "OMX.TI.JPEG.decode")) {
539        OMX_COLOR_FORMATTYPE format =
540            OMX_COLOR_Format32bitARGB8888;
541            // OMX_COLOR_FormatYUV420PackedPlanar;
542            // OMX_COLOR_FormatCbYCrY;
543            // OMX_COLOR_FormatYUV411Planar;
544
545        int32_t width, height;
546        bool success = meta->findInt32(kKeyWidth, &width);
547        success = success && meta->findInt32(kKeyHeight, &height);
548
549        int32_t compressedSize;
550        success = success && meta->findInt32(
551                kKeyMaxInputSize, &compressedSize);
552
553        CHECK(success);
554        CHECK(compressedSize > 0);
555
556        setImageOutputFormat(format, width, height);
557        setJPEGInputFormat(width, height, (OMX_U32)compressedSize);
558    }
559
560    int32_t maxInputSize;
561    if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
562        setMinBufferSize(kPortIndexInput, (OMX_U32)maxInputSize);
563    }
564
565    if (!strcmp(mComponentName, "OMX.TI.AMR.encode")
566        || !strcmp(mComponentName, "OMX.TI.WBAMR.encode")) {
567        setMinBufferSize(kPortIndexOutput, 8192);  // XXX
568    }
569
570    initOutputFormat(meta);
571
572    return OK;
573}
574
575void OMXCodec::setMinBufferSize(OMX_U32 portIndex, OMX_U32 size) {
576    OMX_PARAM_PORTDEFINITIONTYPE def;
577    InitOMXParams(&def);
578    def.nPortIndex = portIndex;
579
580    status_t err = mOMX->getParameter(
581            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
582    CHECK_EQ(err, OK);
583
584    if ((portIndex == kPortIndexInput && (mQuirks & kInputBufferSizesAreBogus))
585        || (def.nBufferSize < size)) {
586        def.nBufferSize = size;
587    }
588
589    err = mOMX->setParameter(
590            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
591    CHECK_EQ(err, OK);
592
593    err = mOMX->getParameter(
594            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
595    CHECK_EQ(err, OK);
596
597    // Make sure the setting actually stuck.
598    if (portIndex == kPortIndexInput
599            && (mQuirks & kInputBufferSizesAreBogus)) {
600        CHECK_EQ(def.nBufferSize, size);
601    } else {
602        CHECK(def.nBufferSize >= size);
603    }
604}
605
606status_t OMXCodec::setVideoPortFormatType(
607        OMX_U32 portIndex,
608        OMX_VIDEO_CODINGTYPE compressionFormat,
609        OMX_COLOR_FORMATTYPE colorFormat) {
610    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
611    InitOMXParams(&format);
612    format.nPortIndex = portIndex;
613    format.nIndex = 0;
614    bool found = false;
615
616    OMX_U32 index = 0;
617    for (;;) {
618        format.nIndex = index;
619        status_t err = mOMX->getParameter(
620                mNode, OMX_IndexParamVideoPortFormat,
621                &format, sizeof(format));
622
623        if (err != OK) {
624            return err;
625        }
626
627        // The following assertion is violated by TI's video decoder.
628        // CHECK_EQ(format.nIndex, index);
629
630#if 1
631        CODEC_LOGV("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
632             portIndex,
633             index, format.eCompressionFormat, format.eColorFormat);
634#endif
635
636        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
637            if (portIndex == kPortIndexInput
638                    && colorFormat == format.eColorFormat) {
639                // eCompressionFormat does not seem right.
640                found = true;
641                break;
642            }
643            if (portIndex == kPortIndexOutput
644                    && compressionFormat == format.eCompressionFormat) {
645                // eColorFormat does not seem right.
646                found = true;
647                break;
648            }
649        }
650
651        if (format.eCompressionFormat == compressionFormat
652            && format.eColorFormat == colorFormat) {
653            found = true;
654            break;
655        }
656
657        ++index;
658    }
659
660    if (!found) {
661        return UNKNOWN_ERROR;
662    }
663
664    CODEC_LOGV("found a match.");
665    status_t err = mOMX->setParameter(
666            mNode, OMX_IndexParamVideoPortFormat,
667            &format, sizeof(format));
668
669    return err;
670}
671
672static size_t getFrameSize(
673        OMX_COLOR_FORMATTYPE colorFormat, int32_t width, int32_t height) {
674    switch (colorFormat) {
675        case OMX_COLOR_FormatYCbYCr:
676        case OMX_COLOR_FormatCbYCrY:
677            return width * height * 2;
678
679        case OMX_COLOR_FormatYUV420SemiPlanar:
680            return (width * height * 3) / 2;
681
682        default:
683            CHECK(!"Should not be here. Unsupported color format.");
684            break;
685    }
686}
687
688void OMXCodec::setVideoInputFormat(
689        const char *mime, OMX_U32 width, OMX_U32 height) {
690    CODEC_LOGV("setVideoInputFormat width=%ld, height=%ld", width, height);
691
692    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
693    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
694        compressionFormat = OMX_VIDEO_CodingAVC;
695    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
696        compressionFormat = OMX_VIDEO_CodingMPEG4;
697    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
698        compressionFormat = OMX_VIDEO_CodingH263;
699    } else {
700        LOGE("Not a supported video mime type: %s", mime);
701        CHECK(!"Should not be here. Not a supported video mime type.");
702    }
703
704    OMX_COLOR_FORMATTYPE colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
705    if (!strcasecmp("OMX.TI.Video.encoder", mComponentName)) {
706        colorFormat = OMX_COLOR_FormatYCbYCr;
707    }
708
709    CHECK_EQ(setVideoPortFormatType(
710            kPortIndexInput, OMX_VIDEO_CodingUnused,
711            colorFormat), OK);
712
713    CHECK_EQ(setVideoPortFormatType(
714            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused),
715            OK);
716
717    OMX_PARAM_PORTDEFINITIONTYPE def;
718    InitOMXParams(&def);
719    def.nPortIndex = kPortIndexOutput;
720
721    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
722
723    status_t err = mOMX->getParameter(
724            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
725
726    CHECK_EQ(err, OK);
727    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
728
729    video_def->nFrameWidth = width;
730    video_def->nFrameHeight = height;
731
732    video_def->eCompressionFormat = compressionFormat;
733    video_def->eColorFormat = OMX_COLOR_FormatUnused;
734
735    err = mOMX->setParameter(
736            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
737    CHECK_EQ(err, OK);
738
739    ////////////////////////////////////////////////////////////////////////////
740
741    InitOMXParams(&def);
742    def.nPortIndex = kPortIndexInput;
743
744    err = mOMX->getParameter(
745            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
746    CHECK_EQ(err, OK);
747
748    def.nBufferSize = getFrameSize(colorFormat, width, height);
749    CODEC_LOGV("Setting nBufferSize = %ld", def.nBufferSize);
750
751    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
752
753    video_def->nFrameWidth = width;
754    video_def->nFrameHeight = height;
755    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
756    video_def->eColorFormat = colorFormat;
757
758    video_def->xFramerate = 24 << 16;  // XXX crucial!
759
760    err = mOMX->setParameter(
761            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
762    CHECK_EQ(err, OK);
763
764    switch (compressionFormat) {
765        case OMX_VIDEO_CodingMPEG4:
766        {
767            CHECK_EQ(setupMPEG4EncoderParameters(), OK);
768            break;
769        }
770
771        case OMX_VIDEO_CodingH263:
772            break;
773
774        case OMX_VIDEO_CodingAVC:
775        {
776            CHECK_EQ(setupAVCEncoderParameters(), OK);
777            break;
778        }
779
780        default:
781            CHECK(!"Support for this compressionFormat to be implemented.");
782            break;
783    }
784}
785
786status_t OMXCodec::setupMPEG4EncoderParameters() {
787    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
788    InitOMXParams(&mpeg4type);
789    mpeg4type.nPortIndex = kPortIndexOutput;
790
791    status_t err = mOMX->getParameter(
792            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
793    CHECK_EQ(err, OK);
794
795    mpeg4type.nSliceHeaderSpacing = 0;
796    mpeg4type.bSVH = OMX_FALSE;
797    mpeg4type.bGov = OMX_FALSE;
798
799    mpeg4type.nAllowedPictureTypes =
800        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
801
802    mpeg4type.nPFrames = 23;
803    mpeg4type.nBFrames = 0;
804
805    mpeg4type.nIDCVLCThreshold = 0;
806    mpeg4type.bACPred = OMX_TRUE;
807    mpeg4type.nMaxPacketSize = 256;
808    mpeg4type.nTimeIncRes = 1000;
809    mpeg4type.nHeaderExtension = 0;
810    mpeg4type.bReversibleVLC = OMX_FALSE;
811
812    mpeg4type.eProfile = OMX_VIDEO_MPEG4ProfileCore;
813    mpeg4type.eLevel = OMX_VIDEO_MPEG4Level2;
814
815    err = mOMX->setParameter(
816            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
817    CHECK_EQ(err, OK);
818
819    // ----------------
820
821    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
822    InitOMXParams(&bitrateType);
823    bitrateType.nPortIndex = kPortIndexOutput;
824
825    err = mOMX->getParameter(
826            mNode, OMX_IndexParamVideoBitrate,
827            &bitrateType, sizeof(bitrateType));
828    CHECK_EQ(err, OK);
829
830    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
831    bitrateType.nTargetBitrate = 1000000;
832
833    err = mOMX->setParameter(
834            mNode, OMX_IndexParamVideoBitrate,
835            &bitrateType, sizeof(bitrateType));
836    CHECK_EQ(err, OK);
837
838    // ----------------
839
840    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
841    InitOMXParams(&errorCorrectionType);
842    errorCorrectionType.nPortIndex = kPortIndexOutput;
843
844    err = mOMX->getParameter(
845            mNode, OMX_IndexParamVideoErrorCorrection,
846            &errorCorrectionType, sizeof(errorCorrectionType));
847    CHECK_EQ(err, OK);
848
849    errorCorrectionType.bEnableHEC = OMX_FALSE;
850    errorCorrectionType.bEnableResync = OMX_TRUE;
851    errorCorrectionType.nResynchMarkerSpacing = 256;
852    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
853    errorCorrectionType.bEnableRVLC = OMX_FALSE;
854
855    err = mOMX->setParameter(
856            mNode, OMX_IndexParamVideoErrorCorrection,
857            &errorCorrectionType, sizeof(errorCorrectionType));
858    CHECK_EQ(err, OK);
859
860    return OK;
861}
862
863status_t OMXCodec::setupAVCEncoderParameters() {
864    OMX_VIDEO_PARAM_AVCTYPE h264type;
865    InitOMXParams(&h264type);
866    h264type.nPortIndex = kPortIndexOutput;
867
868    status_t err = mOMX->getParameter(
869            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
870    CHECK_EQ(err, OK);
871
872    h264type.nAllowedPictureTypes =
873        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
874
875    h264type.nSliceHeaderSpacing = 0;
876    h264type.nBFrames = 0;
877    h264type.bUseHadamard = OMX_TRUE;
878    h264type.nRefFrames = 1;
879    h264type.nRefIdx10ActiveMinus1 = 0;
880    h264type.nRefIdx11ActiveMinus1 = 0;
881    h264type.bEnableUEP = OMX_FALSE;
882    h264type.bEnableFMO = OMX_FALSE;
883    h264type.bEnableASO = OMX_FALSE;
884    h264type.bEnableRS = OMX_FALSE;
885    h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
886    h264type.eLevel = OMX_VIDEO_AVCLevel1b;
887    h264type.bFrameMBsOnly = OMX_TRUE;
888    h264type.bMBAFF = OMX_FALSE;
889    h264type.bEntropyCodingCABAC = OMX_FALSE;
890    h264type.bWeightedPPrediction = OMX_FALSE;
891    h264type.bconstIpred = OMX_FALSE;
892    h264type.bDirect8x8Inference = OMX_FALSE;
893    h264type.bDirectSpatialTemporal = OMX_FALSE;
894    h264type.nCabacInitIdc = 0;
895    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
896
897    err = mOMX->setParameter(
898            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
899    CHECK_EQ(err, OK);
900
901    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
902    InitOMXParams(&bitrateType);
903    bitrateType.nPortIndex = kPortIndexOutput;
904
905    err = mOMX->getParameter(
906            mNode, OMX_IndexParamVideoBitrate,
907            &bitrateType, sizeof(bitrateType));
908    CHECK_EQ(err, OK);
909
910    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
911    bitrateType.nTargetBitrate = 1000000;
912
913    err = mOMX->setParameter(
914            mNode, OMX_IndexParamVideoBitrate,
915            &bitrateType, sizeof(bitrateType));
916    CHECK_EQ(err, OK);
917
918    return OK;
919}
920
921status_t OMXCodec::setVideoOutputFormat(
922        const char *mime, OMX_U32 width, OMX_U32 height) {
923    CODEC_LOGV("setVideoOutputFormat width=%ld, height=%ld", width, height);
924
925    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
926    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
927        compressionFormat = OMX_VIDEO_CodingAVC;
928    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
929        compressionFormat = OMX_VIDEO_CodingMPEG4;
930    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
931        compressionFormat = OMX_VIDEO_CodingH263;
932    } else {
933        LOGE("Not a supported video mime type: %s", mime);
934        CHECK(!"Should not be here. Not a supported video mime type.");
935    }
936
937    status_t err = setVideoPortFormatType(
938            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
939
940    if (err != OK) {
941        return err;
942    }
943
944#if 1
945    {
946        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
947        InitOMXParams(&format);
948        format.nPortIndex = kPortIndexOutput;
949        format.nIndex = 0;
950
951        status_t err = mOMX->getParameter(
952                mNode, OMX_IndexParamVideoPortFormat,
953                &format, sizeof(format));
954        CHECK_EQ(err, OK);
955        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
956
957        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
958
959        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
960               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
961               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
962               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
963
964        err = mOMX->setParameter(
965                mNode, OMX_IndexParamVideoPortFormat,
966                &format, sizeof(format));
967
968        if (err != OK) {
969            return err;
970        }
971    }
972#endif
973
974    OMX_PARAM_PORTDEFINITIONTYPE def;
975    InitOMXParams(&def);
976    def.nPortIndex = kPortIndexInput;
977
978    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
979
980    err = mOMX->getParameter(
981            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
982
983    CHECK_EQ(err, OK);
984
985#if 1
986    // XXX Need a (much) better heuristic to compute input buffer sizes.
987    const size_t X = 64 * 1024;
988    if (def.nBufferSize < X) {
989        def.nBufferSize = X;
990    }
991#endif
992
993    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
994
995    video_def->nFrameWidth = width;
996    video_def->nFrameHeight = height;
997
998    video_def->eCompressionFormat = compressionFormat;
999    video_def->eColorFormat = OMX_COLOR_FormatUnused;
1000
1001    err = mOMX->setParameter(
1002            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1003
1004    if (err != OK) {
1005        return err;
1006    }
1007
1008    ////////////////////////////////////////////////////////////////////////////
1009
1010    InitOMXParams(&def);
1011    def.nPortIndex = kPortIndexOutput;
1012
1013    err = mOMX->getParameter(
1014            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1015    CHECK_EQ(err, OK);
1016    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
1017
1018#if 0
1019    def.nBufferSize =
1020        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
1021#endif
1022
1023    video_def->nFrameWidth = width;
1024    video_def->nFrameHeight = height;
1025
1026    err = mOMX->setParameter(
1027            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1028
1029    return err;
1030}
1031
1032OMXCodec::OMXCodec(
1033        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
1034        bool isEncoder,
1035        const char *mime,
1036        const char *componentName,
1037        const sp<MediaSource> &source)
1038    : mOMX(omx),
1039      mOMXLivesLocally(omx->livesLocally(getpid())),
1040      mNode(node),
1041      mQuirks(quirks),
1042      mIsEncoder(isEncoder),
1043      mMIME(strdup(mime)),
1044      mComponentName(strdup(componentName)),
1045      mSource(source),
1046      mCodecSpecificDataIndex(0),
1047      mState(LOADED),
1048      mInitialBufferSubmit(true),
1049      mSignalledEOS(false),
1050      mNoMoreOutputData(false),
1051      mOutputPortSettingsHaveChanged(false),
1052      mSeekTimeUs(-1) {
1053    mPortStatus[kPortIndexInput] = ENABLED;
1054    mPortStatus[kPortIndexOutput] = ENABLED;
1055
1056    setComponentRole();
1057}
1058
1059// static
1060void OMXCodec::setComponentRole(
1061        const sp<IOMX> &omx, IOMX::node_id node, bool isEncoder,
1062        const char *mime) {
1063    struct MimeToRole {
1064        const char *mime;
1065        const char *decoderRole;
1066        const char *encoderRole;
1067    };
1068
1069    static const MimeToRole kMimeToRole[] = {
1070        { MEDIA_MIMETYPE_AUDIO_MPEG,
1071            "audio_decoder.mp3", "audio_encoder.mp3" },
1072        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
1073            "audio_decoder.amrnb", "audio_encoder.amrnb" },
1074        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
1075            "audio_decoder.amrwb", "audio_encoder.amrwb" },
1076        { MEDIA_MIMETYPE_AUDIO_AAC,
1077            "audio_decoder.aac", "audio_encoder.aac" },
1078        { MEDIA_MIMETYPE_VIDEO_AVC,
1079            "video_decoder.avc", "video_encoder.avc" },
1080        { MEDIA_MIMETYPE_VIDEO_MPEG4,
1081            "video_decoder.mpeg4", "video_encoder.mpeg4" },
1082        { MEDIA_MIMETYPE_VIDEO_H263,
1083            "video_decoder.h263", "video_encoder.h263" },
1084    };
1085
1086    static const size_t kNumMimeToRole =
1087        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
1088
1089    size_t i;
1090    for (i = 0; i < kNumMimeToRole; ++i) {
1091        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
1092            break;
1093        }
1094    }
1095
1096    if (i == kNumMimeToRole) {
1097        return;
1098    }
1099
1100    const char *role =
1101        isEncoder ? kMimeToRole[i].encoderRole
1102                  : kMimeToRole[i].decoderRole;
1103
1104    if (role != NULL) {
1105        OMX_PARAM_COMPONENTROLETYPE roleParams;
1106        InitOMXParams(&roleParams);
1107
1108        strncpy((char *)roleParams.cRole,
1109                role, OMX_MAX_STRINGNAME_SIZE - 1);
1110
1111        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
1112
1113        status_t err = omx->setParameter(
1114                node, OMX_IndexParamStandardComponentRole,
1115                &roleParams, sizeof(roleParams));
1116
1117        if (err != OK) {
1118            LOGW("Failed to set standard component role '%s'.", role);
1119        }
1120    }
1121}
1122
1123void OMXCodec::setComponentRole() {
1124    setComponentRole(mOMX, mNode, mIsEncoder, mMIME);
1125}
1126
1127OMXCodec::~OMXCodec() {
1128    CHECK(mState == LOADED || mState == ERROR);
1129
1130    status_t err = mOMX->freeNode(mNode);
1131    CHECK_EQ(err, OK);
1132
1133    mNode = NULL;
1134    setState(DEAD);
1135
1136    clearCodecSpecificData();
1137
1138    free(mComponentName);
1139    mComponentName = NULL;
1140
1141    free(mMIME);
1142    mMIME = NULL;
1143}
1144
1145status_t OMXCodec::init() {
1146    // mLock is held.
1147
1148    CHECK_EQ(mState, LOADED);
1149
1150    status_t err;
1151    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
1152        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1153        CHECK_EQ(err, OK);
1154        setState(LOADED_TO_IDLE);
1155    }
1156
1157    err = allocateBuffers();
1158    CHECK_EQ(err, OK);
1159
1160    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
1161        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1162        CHECK_EQ(err, OK);
1163
1164        setState(LOADED_TO_IDLE);
1165    }
1166
1167    while (mState != EXECUTING && mState != ERROR) {
1168        mAsyncCompletion.wait(mLock);
1169    }
1170
1171    return mState == ERROR ? UNKNOWN_ERROR : OK;
1172}
1173
1174// static
1175bool OMXCodec::isIntermediateState(State state) {
1176    return state == LOADED_TO_IDLE
1177        || state == IDLE_TO_EXECUTING
1178        || state == EXECUTING_TO_IDLE
1179        || state == IDLE_TO_LOADED
1180        || state == RECONFIGURING;
1181}
1182
1183status_t OMXCodec::allocateBuffers() {
1184    status_t err = allocateBuffersOnPort(kPortIndexInput);
1185
1186    if (err != OK) {
1187        return err;
1188    }
1189
1190    return allocateBuffersOnPort(kPortIndexOutput);
1191}
1192
1193status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
1194    OMX_PARAM_PORTDEFINITIONTYPE def;
1195    InitOMXParams(&def);
1196    def.nPortIndex = portIndex;
1197
1198    status_t err = mOMX->getParameter(
1199            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1200
1201    if (err != OK) {
1202        return err;
1203    }
1204
1205    size_t totalSize = def.nBufferCountActual * def.nBufferSize;
1206    mDealer[portIndex] = new MemoryDealer(totalSize, "OMXCodec");
1207
1208    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
1209        sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
1210        CHECK(mem.get() != NULL);
1211
1212        BufferInfo info;
1213        info.mData = NULL;
1214        info.mSize = def.nBufferSize;
1215
1216        IOMX::buffer_id buffer;
1217        if (portIndex == kPortIndexInput
1218                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
1219            if (mOMXLivesLocally) {
1220                mem.clear();
1221
1222                err = mOMX->allocateBuffer(
1223                        mNode, portIndex, def.nBufferSize, &buffer,
1224                        &info.mData);
1225            } else {
1226                err = mOMX->allocateBufferWithBackup(
1227                        mNode, portIndex, mem, &buffer);
1228            }
1229        } else if (portIndex == kPortIndexOutput
1230                && (mQuirks & kRequiresAllocateBufferOnOutputPorts)) {
1231            if (mOMXLivesLocally) {
1232                mem.clear();
1233
1234                err = mOMX->allocateBuffer(
1235                        mNode, portIndex, def.nBufferSize, &buffer,
1236                        &info.mData);
1237            } else {
1238                err = mOMX->allocateBufferWithBackup(
1239                        mNode, portIndex, mem, &buffer);
1240            }
1241        } else {
1242            err = mOMX->useBuffer(mNode, portIndex, mem, &buffer);
1243        }
1244
1245        if (err != OK) {
1246            LOGE("allocate_buffer_with_backup failed");
1247            return err;
1248        }
1249
1250        if (mem != NULL) {
1251            info.mData = mem->pointer();
1252        }
1253
1254        info.mBuffer = buffer;
1255        info.mOwnedByComponent = false;
1256        info.mMem = mem;
1257        info.mMediaBuffer = NULL;
1258
1259        if (portIndex == kPortIndexOutput) {
1260            if (!(mOMXLivesLocally
1261                        && (mQuirks & kRequiresAllocateBufferOnOutputPorts)
1262                        && (mQuirks & kDefersOutputBufferAllocation))) {
1263                // If the node does not fill in the buffer ptr at this time,
1264                // we will defer creating the MediaBuffer until receiving
1265                // the first FILL_BUFFER_DONE notification instead.
1266                info.mMediaBuffer = new MediaBuffer(info.mData, info.mSize);
1267                info.mMediaBuffer->setObserver(this);
1268            }
1269        }
1270
1271        mPortBuffers[portIndex].push(info);
1272
1273        CODEC_LOGV("allocated buffer %p on %s port", buffer,
1274             portIndex == kPortIndexInput ? "input" : "output");
1275    }
1276
1277    // dumpPortStatus(portIndex);
1278
1279    return OK;
1280}
1281
1282void OMXCodec::on_message(const omx_message &msg) {
1283    Mutex::Autolock autoLock(mLock);
1284
1285    switch (msg.type) {
1286        case omx_message::EVENT:
1287        {
1288            onEvent(
1289                 msg.u.event_data.event, msg.u.event_data.data1,
1290                 msg.u.event_data.data2);
1291
1292            break;
1293        }
1294
1295        case omx_message::EMPTY_BUFFER_DONE:
1296        {
1297            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1298
1299            CODEC_LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
1300
1301            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1302            size_t i = 0;
1303            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1304                ++i;
1305            }
1306
1307            CHECK(i < buffers->size());
1308            if (!(*buffers)[i].mOwnedByComponent) {
1309                LOGW("We already own input buffer %p, yet received "
1310                     "an EMPTY_BUFFER_DONE.", buffer);
1311            }
1312
1313            buffers->editItemAt(i).mOwnedByComponent = false;
1314
1315            if (mPortStatus[kPortIndexInput] == DISABLING) {
1316                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1317
1318                status_t err =
1319                    mOMX->freeBuffer(mNode, kPortIndexInput, buffer);
1320                CHECK_EQ(err, OK);
1321
1322                buffers->removeAt(i);
1323            } else if (mState != ERROR
1324                    && mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
1325                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
1326                drainInputBuffer(&buffers->editItemAt(i));
1327            }
1328            break;
1329        }
1330
1331        case omx_message::FILL_BUFFER_DONE:
1332        {
1333            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1334            OMX_U32 flags = msg.u.extended_buffer_data.flags;
1335
1336            CODEC_LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx, timestamp: %lld us (%.2f secs))",
1337                 buffer,
1338                 msg.u.extended_buffer_data.range_length,
1339                 flags,
1340                 msg.u.extended_buffer_data.timestamp,
1341                 msg.u.extended_buffer_data.timestamp / 1E6);
1342
1343            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1344            size_t i = 0;
1345            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1346                ++i;
1347            }
1348
1349            CHECK(i < buffers->size());
1350            BufferInfo *info = &buffers->editItemAt(i);
1351
1352            if (!info->mOwnedByComponent) {
1353                LOGW("We already own output buffer %p, yet received "
1354                     "a FILL_BUFFER_DONE.", buffer);
1355            }
1356
1357            info->mOwnedByComponent = false;
1358
1359            if (mPortStatus[kPortIndexOutput] == DISABLING) {
1360                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1361
1362                status_t err =
1363                    mOMX->freeBuffer(mNode, kPortIndexOutput, buffer);
1364                CHECK_EQ(err, OK);
1365
1366                buffers->removeAt(i);
1367#if 0
1368            } else if (mPortStatus[kPortIndexOutput] == ENABLED
1369                       && (flags & OMX_BUFFERFLAG_EOS)) {
1370                CODEC_LOGV("No more output data.");
1371                mNoMoreOutputData = true;
1372                mBufferFilled.signal();
1373#endif
1374            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
1375                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1376
1377                if (info->mMediaBuffer == NULL) {
1378                    CHECK(mOMXLivesLocally);
1379                    CHECK(mQuirks & kRequiresAllocateBufferOnOutputPorts);
1380                    CHECK(mQuirks & kDefersOutputBufferAllocation);
1381
1382                    // The qcom video decoders on Nexus don't actually allocate
1383                    // output buffer memory on a call to OMX_AllocateBuffer
1384                    // the "pBuffer" member of the OMX_BUFFERHEADERTYPE
1385                    // structure is only filled in later.
1386
1387                    info->mMediaBuffer = new MediaBuffer(
1388                            msg.u.extended_buffer_data.data_ptr,
1389                            info->mSize);
1390                    info->mMediaBuffer->setObserver(this);
1391                }
1392
1393                MediaBuffer *buffer = info->mMediaBuffer;
1394
1395                buffer->set_range(
1396                        msg.u.extended_buffer_data.range_offset,
1397                        msg.u.extended_buffer_data.range_length);
1398
1399                buffer->meta_data()->clear();
1400
1401                buffer->meta_data()->setInt64(
1402                        kKeyTime, msg.u.extended_buffer_data.timestamp);
1403
1404                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
1405                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
1406                }
1407                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_CODECCONFIG) {
1408                    buffer->meta_data()->setInt32(kKeyIsCodecConfig, true);
1409                }
1410
1411                buffer->meta_data()->setPointer(
1412                        kKeyPlatformPrivate,
1413                        msg.u.extended_buffer_data.platform_private);
1414
1415                buffer->meta_data()->setPointer(
1416                        kKeyBufferID,
1417                        msg.u.extended_buffer_data.buffer);
1418
1419                mFilledBuffers.push_back(i);
1420                mBufferFilled.signal();
1421
1422                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_EOS) {
1423                    CODEC_LOGV("No more output data.");
1424                    mNoMoreOutputData = true;
1425                }
1426            }
1427
1428            break;
1429        }
1430
1431        default:
1432        {
1433            CHECK(!"should not be here.");
1434            break;
1435        }
1436    }
1437}
1438
1439void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
1440    switch (event) {
1441        case OMX_EventCmdComplete:
1442        {
1443            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
1444            break;
1445        }
1446
1447        case OMX_EventError:
1448        {
1449            LOGE("ERROR(0x%08lx, %ld)", data1, data2);
1450
1451            setState(ERROR);
1452            break;
1453        }
1454
1455        case OMX_EventPortSettingsChanged:
1456        {
1457            onPortSettingsChanged(data1);
1458            break;
1459        }
1460
1461#if 0
1462        case OMX_EventBufferFlag:
1463        {
1464            CODEC_LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
1465
1466            if (data1 == kPortIndexOutput) {
1467                mNoMoreOutputData = true;
1468            }
1469            break;
1470        }
1471#endif
1472
1473        default:
1474        {
1475            CODEC_LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
1476            break;
1477        }
1478    }
1479}
1480
1481// Has the format changed in any way that the client would have to be aware of?
1482static bool formatHasNotablyChanged(
1483        const sp<MetaData> &from, const sp<MetaData> &to) {
1484    if (from.get() == NULL && to.get() == NULL) {
1485        return false;
1486    }
1487
1488    if ((from.get() == NULL && to.get() != NULL)
1489        || (from.get() != NULL && to.get() == NULL)) {
1490        return true;
1491    }
1492
1493    const char *mime_from, *mime_to;
1494    CHECK(from->findCString(kKeyMIMEType, &mime_from));
1495    CHECK(to->findCString(kKeyMIMEType, &mime_to));
1496
1497    if (strcasecmp(mime_from, mime_to)) {
1498        return true;
1499    }
1500
1501    if (!strcasecmp(mime_from, MEDIA_MIMETYPE_VIDEO_RAW)) {
1502        int32_t colorFormat_from, colorFormat_to;
1503        CHECK(from->findInt32(kKeyColorFormat, &colorFormat_from));
1504        CHECK(to->findInt32(kKeyColorFormat, &colorFormat_to));
1505
1506        if (colorFormat_from != colorFormat_to) {
1507            return true;
1508        }
1509
1510        int32_t width_from, width_to;
1511        CHECK(from->findInt32(kKeyWidth, &width_from));
1512        CHECK(to->findInt32(kKeyWidth, &width_to));
1513
1514        if (width_from != width_to) {
1515            return true;
1516        }
1517
1518        int32_t height_from, height_to;
1519        CHECK(from->findInt32(kKeyHeight, &height_from));
1520        CHECK(to->findInt32(kKeyHeight, &height_to));
1521
1522        if (height_from != height_to) {
1523            return true;
1524        }
1525    } else if (!strcasecmp(mime_from, MEDIA_MIMETYPE_AUDIO_RAW)) {
1526        int32_t numChannels_from, numChannels_to;
1527        CHECK(from->findInt32(kKeyChannelCount, &numChannels_from));
1528        CHECK(to->findInt32(kKeyChannelCount, &numChannels_to));
1529
1530        if (numChannels_from != numChannels_to) {
1531            return true;
1532        }
1533
1534        int32_t sampleRate_from, sampleRate_to;
1535        CHECK(from->findInt32(kKeySampleRate, &sampleRate_from));
1536        CHECK(to->findInt32(kKeySampleRate, &sampleRate_to));
1537
1538        if (sampleRate_from != sampleRate_to) {
1539            return true;
1540        }
1541    }
1542
1543    return false;
1544}
1545
1546void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
1547    switch (cmd) {
1548        case OMX_CommandStateSet:
1549        {
1550            onStateChange((OMX_STATETYPE)data);
1551            break;
1552        }
1553
1554        case OMX_CommandPortDisable:
1555        {
1556            OMX_U32 portIndex = data;
1557            CODEC_LOGV("PORT_DISABLED(%ld)", portIndex);
1558
1559            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1560            CHECK_EQ(mPortStatus[portIndex], DISABLING);
1561            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
1562
1563            mPortStatus[portIndex] = DISABLED;
1564
1565            if (mState == RECONFIGURING) {
1566                CHECK_EQ(portIndex, kPortIndexOutput);
1567
1568                sp<MetaData> oldOutputFormat = mOutputFormat;
1569                initOutputFormat(mSource->getFormat());
1570
1571                // Don't notify clients if the output port settings change
1572                // wasn't of importance to them, i.e. it may be that just the
1573                // number of buffers has changed and nothing else.
1574                mOutputPortSettingsHaveChanged =
1575                    formatHasNotablyChanged(oldOutputFormat, mOutputFormat);
1576
1577                enablePortAsync(portIndex);
1578
1579                status_t err = allocateBuffersOnPort(portIndex);
1580                CHECK_EQ(err, OK);
1581            }
1582            break;
1583        }
1584
1585        case OMX_CommandPortEnable:
1586        {
1587            OMX_U32 portIndex = data;
1588            CODEC_LOGV("PORT_ENABLED(%ld)", portIndex);
1589
1590            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1591            CHECK_EQ(mPortStatus[portIndex], ENABLING);
1592
1593            mPortStatus[portIndex] = ENABLED;
1594
1595            if (mState == RECONFIGURING) {
1596                CHECK_EQ(portIndex, kPortIndexOutput);
1597
1598                setState(EXECUTING);
1599
1600                fillOutputBuffers();
1601            }
1602            break;
1603        }
1604
1605        case OMX_CommandFlush:
1606        {
1607            OMX_U32 portIndex = data;
1608
1609            CODEC_LOGV("FLUSH_DONE(%ld)", portIndex);
1610
1611            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
1612            mPortStatus[portIndex] = ENABLED;
1613
1614            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
1615                     mPortBuffers[portIndex].size());
1616
1617            if (mState == RECONFIGURING) {
1618                CHECK_EQ(portIndex, kPortIndexOutput);
1619
1620                disablePortAsync(portIndex);
1621            } else if (mState == EXECUTING_TO_IDLE) {
1622                if (mPortStatus[kPortIndexInput] == ENABLED
1623                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1624                    CODEC_LOGV("Finished flushing both ports, now completing "
1625                         "transition from EXECUTING to IDLE.");
1626
1627                    mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1628                    mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1629
1630                    status_t err =
1631                        mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1632                    CHECK_EQ(err, OK);
1633                }
1634            } else {
1635                // We're flushing both ports in preparation for seeking.
1636
1637                if (mPortStatus[kPortIndexInput] == ENABLED
1638                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1639                    CODEC_LOGV("Finished flushing both ports, now continuing from"
1640                         " seek-time.");
1641
1642                    drainInputBuffers();
1643                    fillOutputBuffers();
1644                }
1645            }
1646
1647            break;
1648        }
1649
1650        default:
1651        {
1652            CODEC_LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1653            break;
1654        }
1655    }
1656}
1657
1658void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1659    CODEC_LOGV("onStateChange %d", newState);
1660
1661    switch (newState) {
1662        case OMX_StateIdle:
1663        {
1664            CODEC_LOGV("Now Idle.");
1665            if (mState == LOADED_TO_IDLE) {
1666                status_t err = mOMX->sendCommand(
1667                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1668
1669                CHECK_EQ(err, OK);
1670
1671                setState(IDLE_TO_EXECUTING);
1672            } else {
1673                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1674
1675                CHECK_EQ(
1676                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1677                    mPortBuffers[kPortIndexInput].size());
1678
1679                CHECK_EQ(
1680                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1681                    mPortBuffers[kPortIndexOutput].size());
1682
1683                status_t err = mOMX->sendCommand(
1684                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1685
1686                CHECK_EQ(err, OK);
1687
1688                err = freeBuffersOnPort(kPortIndexInput);
1689                CHECK_EQ(err, OK);
1690
1691                err = freeBuffersOnPort(kPortIndexOutput);
1692                CHECK_EQ(err, OK);
1693
1694                mPortStatus[kPortIndexInput] = ENABLED;
1695                mPortStatus[kPortIndexOutput] = ENABLED;
1696
1697                setState(IDLE_TO_LOADED);
1698            }
1699            break;
1700        }
1701
1702        case OMX_StateExecuting:
1703        {
1704            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1705
1706            CODEC_LOGV("Now Executing.");
1707
1708            setState(EXECUTING);
1709
1710            // Buffers will be submitted to the component in the first
1711            // call to OMXCodec::read as mInitialBufferSubmit is true at
1712            // this point. This ensures that this on_message call returns,
1713            // releases the lock and ::init can notice the state change and
1714            // itself return.
1715            break;
1716        }
1717
1718        case OMX_StateLoaded:
1719        {
1720            CHECK_EQ(mState, IDLE_TO_LOADED);
1721
1722            CODEC_LOGV("Now Loaded.");
1723
1724            setState(LOADED);
1725            break;
1726        }
1727
1728        case OMX_StateInvalid:
1729        {
1730            setState(ERROR);
1731            break;
1732        }
1733
1734        default:
1735        {
1736            CHECK(!"should not be here.");
1737            break;
1738        }
1739    }
1740}
1741
1742// static
1743size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1744    size_t n = 0;
1745    for (size_t i = 0; i < buffers.size(); ++i) {
1746        if (!buffers[i].mOwnedByComponent) {
1747            ++n;
1748        }
1749    }
1750
1751    return n;
1752}
1753
1754status_t OMXCodec::freeBuffersOnPort(
1755        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1756    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1757
1758    status_t stickyErr = OK;
1759
1760    for (size_t i = buffers->size(); i-- > 0;) {
1761        BufferInfo *info = &buffers->editItemAt(i);
1762
1763        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1764            continue;
1765        }
1766
1767        CHECK_EQ(info->mOwnedByComponent, false);
1768
1769        CODEC_LOGV("freeing buffer %p on port %ld", info->mBuffer, portIndex);
1770
1771        status_t err =
1772            mOMX->freeBuffer(mNode, portIndex, info->mBuffer);
1773
1774        if (err != OK) {
1775            stickyErr = err;
1776        }
1777
1778        if (info->mMediaBuffer != NULL) {
1779            info->mMediaBuffer->setObserver(NULL);
1780
1781            // Make sure nobody but us owns this buffer at this point.
1782            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1783
1784            info->mMediaBuffer->release();
1785        }
1786
1787        buffers->removeAt(i);
1788    }
1789
1790    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1791
1792    return stickyErr;
1793}
1794
1795void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1796    CODEC_LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1797
1798    CHECK_EQ(mState, EXECUTING);
1799    CHECK_EQ(portIndex, kPortIndexOutput);
1800    setState(RECONFIGURING);
1801
1802    if (mQuirks & kNeedsFlushBeforeDisable) {
1803        if (!flushPortAsync(portIndex)) {
1804            onCmdComplete(OMX_CommandFlush, portIndex);
1805        }
1806    } else {
1807        disablePortAsync(portIndex);
1808    }
1809}
1810
1811bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1812    CHECK(mState == EXECUTING || mState == RECONFIGURING
1813            || mState == EXECUTING_TO_IDLE);
1814
1815    CODEC_LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
1816         portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
1817         mPortBuffers[portIndex].size());
1818
1819    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1820    mPortStatus[portIndex] = SHUTTING_DOWN;
1821
1822    if ((mQuirks & kRequiresFlushCompleteEmulation)
1823        && countBuffersWeOwn(mPortBuffers[portIndex])
1824                == mPortBuffers[portIndex].size()) {
1825        // No flush is necessary and this component fails to send a
1826        // flush-complete event in this case.
1827
1828        return false;
1829    }
1830
1831    status_t err =
1832        mOMX->sendCommand(mNode, OMX_CommandFlush, portIndex);
1833    CHECK_EQ(err, OK);
1834
1835    return true;
1836}
1837
1838void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1839    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1840
1841    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1842    mPortStatus[portIndex] = DISABLING;
1843
1844    status_t err =
1845        mOMX->sendCommand(mNode, OMX_CommandPortDisable, portIndex);
1846    CHECK_EQ(err, OK);
1847
1848    freeBuffersOnPort(portIndex, true);
1849}
1850
1851void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1852    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1853
1854    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1855    mPortStatus[portIndex] = ENABLING;
1856
1857    status_t err =
1858        mOMX->sendCommand(mNode, OMX_CommandPortEnable, portIndex);
1859    CHECK_EQ(err, OK);
1860}
1861
1862void OMXCodec::fillOutputBuffers() {
1863    CHECK_EQ(mState, EXECUTING);
1864
1865    // This is a workaround for some decoders not properly reporting
1866    // end-of-output-stream. If we own all input buffers and also own
1867    // all output buffers and we already signalled end-of-input-stream,
1868    // the end-of-output-stream is implied.
1869    if (mSignalledEOS
1870            && countBuffersWeOwn(mPortBuffers[kPortIndexInput])
1871                == mPortBuffers[kPortIndexInput].size()
1872            && countBuffersWeOwn(mPortBuffers[kPortIndexOutput])
1873                == mPortBuffers[kPortIndexOutput].size()) {
1874        mNoMoreOutputData = true;
1875        mBufferFilled.signal();
1876
1877        return;
1878    }
1879
1880    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1881    for (size_t i = 0; i < buffers->size(); ++i) {
1882        fillOutputBuffer(&buffers->editItemAt(i));
1883    }
1884}
1885
1886void OMXCodec::drainInputBuffers() {
1887    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1888
1889    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1890    for (size_t i = 0; i < buffers->size(); ++i) {
1891        drainInputBuffer(&buffers->editItemAt(i));
1892    }
1893}
1894
1895void OMXCodec::drainInputBuffer(BufferInfo *info) {
1896    CHECK_EQ(info->mOwnedByComponent, false);
1897
1898    if (mSignalledEOS) {
1899        return;
1900    }
1901
1902    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1903        const CodecSpecificData *specific =
1904            mCodecSpecificData[mCodecSpecificDataIndex];
1905
1906        size_t size = specific->mSize;
1907
1908        if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mMIME)
1909                && !(mQuirks & kWantsNALFragments)) {
1910            static const uint8_t kNALStartCode[4] =
1911                    { 0x00, 0x00, 0x00, 0x01 };
1912
1913            CHECK(info->mSize >= specific->mSize + 4);
1914
1915            size += 4;
1916
1917            memcpy(info->mData, kNALStartCode, 4);
1918            memcpy((uint8_t *)info->mData + 4,
1919                   specific->mData, specific->mSize);
1920        } else {
1921            CHECK(info->mSize >= specific->mSize);
1922            memcpy(info->mData, specific->mData, specific->mSize);
1923        }
1924
1925        mNoMoreOutputData = false;
1926
1927        CODEC_LOGV("calling emptyBuffer with codec specific data");
1928
1929        status_t err = mOMX->emptyBuffer(
1930                mNode, info->mBuffer, 0, size,
1931                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1932                0);
1933        CHECK_EQ(err, OK);
1934
1935        info->mOwnedByComponent = true;
1936
1937        ++mCodecSpecificDataIndex;
1938        return;
1939    }
1940
1941    MediaBuffer *srcBuffer;
1942    status_t err;
1943    if (mSeekTimeUs >= 0) {
1944        MediaSource::ReadOptions options;
1945        options.setSeekTo(mSeekTimeUs);
1946
1947        mSeekTimeUs = -1;
1948        mBufferFilled.signal();
1949
1950        err = mSource->read(&srcBuffer, &options);
1951    } else {
1952        err = mSource->read(&srcBuffer);
1953    }
1954
1955    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
1956    OMX_TICKS timestampUs = 0;
1957    size_t srcLength = 0;
1958
1959    if (err != OK) {
1960        CODEC_LOGV("signalling end of input stream.");
1961        flags |= OMX_BUFFERFLAG_EOS;
1962
1963        mFinalStatus = err;
1964        mSignalledEOS = true;
1965    } else {
1966        mNoMoreOutputData = false;
1967
1968        srcLength = srcBuffer->range_length();
1969
1970        if (info->mSize < srcLength) {
1971            CODEC_LOGE(
1972                 "Codec's input buffers are too small to accomodate "
1973                 "buffer read from source (info->mSize = %d, srcLength = %d)",
1974                 info->mSize, srcLength);
1975
1976            srcBuffer->release();
1977            srcBuffer = NULL;
1978
1979            setState(ERROR);
1980            return;
1981        }
1982        memcpy(info->mData,
1983               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
1984               srcLength);
1985
1986        if (srcBuffer->meta_data()->findInt64(kKeyTime, &timestampUs)) {
1987            CODEC_LOGV("Calling emptyBuffer on buffer %p (length %d), "
1988                       "timestamp %lld us (%.2f secs)",
1989                       info->mBuffer, srcLength,
1990                       timestampUs, timestampUs / 1E6);
1991        }
1992    }
1993
1994    if (srcBuffer != NULL) {
1995        srcBuffer->release();
1996        srcBuffer = NULL;
1997    }
1998
1999    err = mOMX->emptyBuffer(
2000            mNode, info->mBuffer, 0, srcLength,
2001            flags, timestampUs);
2002
2003    if (err != OK) {
2004        setState(ERROR);
2005        return;
2006    }
2007
2008    info->mOwnedByComponent = true;
2009
2010    // This component does not ever signal the EOS flag on output buffers,
2011    // Thanks for nothing.
2012    if (mSignalledEOS && !strcmp(mComponentName, "OMX.TI.Video.encoder")) {
2013        mNoMoreOutputData = true;
2014        mBufferFilled.signal();
2015    }
2016}
2017
2018void OMXCodec::fillOutputBuffer(BufferInfo *info) {
2019    CHECK_EQ(info->mOwnedByComponent, false);
2020
2021    if (mNoMoreOutputData) {
2022        CODEC_LOGV("There is no more output data available, not "
2023             "calling fillOutputBuffer");
2024        return;
2025    }
2026
2027    CODEC_LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
2028    status_t err = mOMX->fillBuffer(mNode, info->mBuffer);
2029    CHECK_EQ(err, OK);
2030
2031    info->mOwnedByComponent = true;
2032}
2033
2034void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
2035    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
2036    for (size_t i = 0; i < buffers->size(); ++i) {
2037        if ((*buffers)[i].mBuffer == buffer) {
2038            drainInputBuffer(&buffers->editItemAt(i));
2039            return;
2040        }
2041    }
2042
2043    CHECK(!"should not be here.");
2044}
2045
2046void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
2047    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
2048    for (size_t i = 0; i < buffers->size(); ++i) {
2049        if ((*buffers)[i].mBuffer == buffer) {
2050            fillOutputBuffer(&buffers->editItemAt(i));
2051            return;
2052        }
2053    }
2054
2055    CHECK(!"should not be here.");
2056}
2057
2058void OMXCodec::setState(State newState) {
2059    mState = newState;
2060    mAsyncCompletion.signal();
2061
2062    // This may cause some spurious wakeups but is necessary to
2063    // unblock the reader if we enter ERROR state.
2064    mBufferFilled.signal();
2065}
2066
2067void OMXCodec::setRawAudioFormat(
2068        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
2069    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
2070    InitOMXParams(&pcmParams);
2071    pcmParams.nPortIndex = portIndex;
2072
2073    status_t err = mOMX->getParameter(
2074            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
2075
2076    CHECK_EQ(err, OK);
2077
2078    pcmParams.nChannels = numChannels;
2079    pcmParams.eNumData = OMX_NumericalDataSigned;
2080    pcmParams.bInterleaved = OMX_TRUE;
2081    pcmParams.nBitPerSample = 16;
2082    pcmParams.nSamplingRate = sampleRate;
2083    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
2084
2085    if (numChannels == 1) {
2086        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
2087    } else {
2088        CHECK_EQ(numChannels, 2);
2089
2090        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
2091        pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
2092    }
2093
2094    err = mOMX->setParameter(
2095            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
2096
2097    CHECK_EQ(err, OK);
2098}
2099
2100void OMXCodec::setAMRFormat(bool isWAMR) {
2101    OMX_U32 portIndex = mIsEncoder ? kPortIndexOutput : kPortIndexInput;
2102
2103    OMX_AUDIO_PARAM_AMRTYPE def;
2104    InitOMXParams(&def);
2105    def.nPortIndex = portIndex;
2106
2107    status_t err =
2108        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
2109
2110    CHECK_EQ(err, OK);
2111
2112    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
2113    def.eAMRBandMode =
2114        isWAMR ? OMX_AUDIO_AMRBandModeWB0 : OMX_AUDIO_AMRBandModeNB0;
2115
2116    err = mOMX->setParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
2117    CHECK_EQ(err, OK);
2118
2119    ////////////////////////
2120
2121    if (mIsEncoder) {
2122        sp<MetaData> format = mSource->getFormat();
2123        int32_t sampleRate;
2124        int32_t numChannels;
2125        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
2126        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
2127
2128        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
2129    }
2130}
2131
2132void OMXCodec::setAACFormat(int32_t numChannels, int32_t sampleRate) {
2133    if (mIsEncoder) {
2134        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
2135    } else {
2136        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
2137        InitOMXParams(&profile);
2138        profile.nPortIndex = kPortIndexInput;
2139
2140        status_t err = mOMX->getParameter(
2141                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
2142        CHECK_EQ(err, OK);
2143
2144        profile.nChannels = numChannels;
2145        profile.nSampleRate = sampleRate;
2146        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
2147
2148        err = mOMX->setParameter(
2149                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
2150        CHECK_EQ(err, OK);
2151    }
2152}
2153
2154void OMXCodec::setImageOutputFormat(
2155        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
2156    CODEC_LOGV("setImageOutputFormat(%ld, %ld)", width, height);
2157
2158#if 0
2159    OMX_INDEXTYPE index;
2160    status_t err = mOMX->get_extension_index(
2161            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
2162    CHECK_EQ(err, OK);
2163
2164    err = mOMX->set_config(mNode, index, &format, sizeof(format));
2165    CHECK_EQ(err, OK);
2166#endif
2167
2168    OMX_PARAM_PORTDEFINITIONTYPE def;
2169    InitOMXParams(&def);
2170    def.nPortIndex = kPortIndexOutput;
2171
2172    status_t err = mOMX->getParameter(
2173            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2174    CHECK_EQ(err, OK);
2175
2176    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
2177
2178    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2179
2180    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2181    imageDef->eColorFormat = format;
2182    imageDef->nFrameWidth = width;
2183    imageDef->nFrameHeight = height;
2184
2185    switch (format) {
2186        case OMX_COLOR_FormatYUV420PackedPlanar:
2187        case OMX_COLOR_FormatYUV411Planar:
2188        {
2189            def.nBufferSize = (width * height * 3) / 2;
2190            break;
2191        }
2192
2193        case OMX_COLOR_FormatCbYCrY:
2194        {
2195            def.nBufferSize = width * height * 2;
2196            break;
2197        }
2198
2199        case OMX_COLOR_Format32bitARGB8888:
2200        {
2201            def.nBufferSize = width * height * 4;
2202            break;
2203        }
2204
2205        case OMX_COLOR_Format16bitARGB4444:
2206        case OMX_COLOR_Format16bitARGB1555:
2207        case OMX_COLOR_Format16bitRGB565:
2208        case OMX_COLOR_Format16bitBGR565:
2209        {
2210            def.nBufferSize = width * height * 2;
2211            break;
2212        }
2213
2214        default:
2215            CHECK(!"Should not be here. Unknown color format.");
2216            break;
2217    }
2218
2219    def.nBufferCountActual = def.nBufferCountMin;
2220
2221    err = mOMX->setParameter(
2222            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2223    CHECK_EQ(err, OK);
2224}
2225
2226void OMXCodec::setJPEGInputFormat(
2227        OMX_U32 width, OMX_U32 height, OMX_U32 compressedSize) {
2228    OMX_PARAM_PORTDEFINITIONTYPE def;
2229    InitOMXParams(&def);
2230    def.nPortIndex = kPortIndexInput;
2231
2232    status_t err = mOMX->getParameter(
2233            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2234    CHECK_EQ(err, OK);
2235
2236    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
2237    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2238
2239    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
2240    imageDef->nFrameWidth = width;
2241    imageDef->nFrameHeight = height;
2242
2243    def.nBufferSize = compressedSize;
2244    def.nBufferCountActual = def.nBufferCountMin;
2245
2246    err = mOMX->setParameter(
2247            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2248    CHECK_EQ(err, OK);
2249}
2250
2251void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
2252    CodecSpecificData *specific =
2253        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
2254
2255    specific->mSize = size;
2256    memcpy(specific->mData, data, size);
2257
2258    mCodecSpecificData.push(specific);
2259}
2260
2261void OMXCodec::clearCodecSpecificData() {
2262    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
2263        free(mCodecSpecificData.editItemAt(i));
2264    }
2265    mCodecSpecificData.clear();
2266    mCodecSpecificDataIndex = 0;
2267}
2268
2269status_t OMXCodec::start(MetaData *) {
2270    Mutex::Autolock autoLock(mLock);
2271
2272    if (mState != LOADED) {
2273        return UNKNOWN_ERROR;
2274    }
2275
2276    sp<MetaData> params = new MetaData;
2277    if (mQuirks & kWantsNALFragments) {
2278        params->setInt32(kKeyWantsNALFragments, true);
2279    }
2280    status_t err = mSource->start(params.get());
2281
2282    if (err != OK) {
2283        return err;
2284    }
2285
2286    mCodecSpecificDataIndex = 0;
2287    mInitialBufferSubmit = true;
2288    mSignalledEOS = false;
2289    mNoMoreOutputData = false;
2290    mOutputPortSettingsHaveChanged = false;
2291    mSeekTimeUs = -1;
2292    mFilledBuffers.clear();
2293
2294    return init();
2295}
2296
2297status_t OMXCodec::stop() {
2298    CODEC_LOGV("stop mState=%d", mState);
2299
2300    Mutex::Autolock autoLock(mLock);
2301
2302    while (isIntermediateState(mState)) {
2303        mAsyncCompletion.wait(mLock);
2304    }
2305
2306    switch (mState) {
2307        case LOADED:
2308        case ERROR:
2309            break;
2310
2311        case EXECUTING:
2312        {
2313            setState(EXECUTING_TO_IDLE);
2314
2315            if (mQuirks & kRequiresFlushBeforeShutdown) {
2316                CODEC_LOGV("This component requires a flush before transitioning "
2317                     "from EXECUTING to IDLE...");
2318
2319                bool emulateInputFlushCompletion =
2320                    !flushPortAsync(kPortIndexInput);
2321
2322                bool emulateOutputFlushCompletion =
2323                    !flushPortAsync(kPortIndexOutput);
2324
2325                if (emulateInputFlushCompletion) {
2326                    onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2327                }
2328
2329                if (emulateOutputFlushCompletion) {
2330                    onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2331                }
2332            } else {
2333                mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
2334                mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
2335
2336                status_t err =
2337                    mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
2338                CHECK_EQ(err, OK);
2339            }
2340
2341            while (mState != LOADED && mState != ERROR) {
2342                mAsyncCompletion.wait(mLock);
2343            }
2344
2345            break;
2346        }
2347
2348        default:
2349        {
2350            CHECK(!"should not be here.");
2351            break;
2352        }
2353    }
2354
2355    mSource->stop();
2356
2357    CODEC_LOGV("stopped");
2358
2359    return OK;
2360}
2361
2362sp<MetaData> OMXCodec::getFormat() {
2363    Mutex::Autolock autoLock(mLock);
2364
2365    return mOutputFormat;
2366}
2367
2368status_t OMXCodec::read(
2369        MediaBuffer **buffer, const ReadOptions *options) {
2370    *buffer = NULL;
2371
2372    Mutex::Autolock autoLock(mLock);
2373
2374    if (mState != EXECUTING && mState != RECONFIGURING) {
2375        return UNKNOWN_ERROR;
2376    }
2377
2378    bool seeking = false;
2379    int64_t seekTimeUs;
2380    if (options && options->getSeekTo(&seekTimeUs)) {
2381        seeking = true;
2382    }
2383
2384    if (mInitialBufferSubmit) {
2385        mInitialBufferSubmit = false;
2386
2387        if (seeking) {
2388            CHECK(seekTimeUs >= 0);
2389            mSeekTimeUs = seekTimeUs;
2390
2391            // There's no reason to trigger the code below, there's
2392            // nothing to flush yet.
2393            seeking = false;
2394        }
2395
2396        drainInputBuffers();
2397
2398        if (mState == EXECUTING) {
2399            // Otherwise mState == RECONFIGURING and this code will trigger
2400            // after the output port is reenabled.
2401            fillOutputBuffers();
2402        }
2403    }
2404
2405    if (seeking) {
2406        CODEC_LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
2407
2408        mSignalledEOS = false;
2409
2410        CHECK(seekTimeUs >= 0);
2411        mSeekTimeUs = seekTimeUs;
2412
2413        mFilledBuffers.clear();
2414
2415        CHECK_EQ(mState, EXECUTING);
2416
2417        bool emulateInputFlushCompletion = !flushPortAsync(kPortIndexInput);
2418        bool emulateOutputFlushCompletion = !flushPortAsync(kPortIndexOutput);
2419
2420        if (emulateInputFlushCompletion) {
2421            onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2422        }
2423
2424        if (emulateOutputFlushCompletion) {
2425            onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2426        }
2427
2428        while (mSeekTimeUs >= 0) {
2429            mBufferFilled.wait(mLock);
2430        }
2431    }
2432
2433    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
2434        mBufferFilled.wait(mLock);
2435    }
2436
2437    if (mState == ERROR) {
2438        return UNKNOWN_ERROR;
2439    }
2440
2441    if (mFilledBuffers.empty()) {
2442        return mSignalledEOS ? mFinalStatus : ERROR_END_OF_STREAM;
2443    }
2444
2445    if (mOutputPortSettingsHaveChanged) {
2446        mOutputPortSettingsHaveChanged = false;
2447
2448        return INFO_FORMAT_CHANGED;
2449    }
2450
2451    size_t index = *mFilledBuffers.begin();
2452    mFilledBuffers.erase(mFilledBuffers.begin());
2453
2454    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
2455    info->mMediaBuffer->add_ref();
2456    *buffer = info->mMediaBuffer;
2457
2458    return OK;
2459}
2460
2461void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
2462    Mutex::Autolock autoLock(mLock);
2463
2464    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
2465    for (size_t i = 0; i < buffers->size(); ++i) {
2466        BufferInfo *info = &buffers->editItemAt(i);
2467
2468        if (info->mMediaBuffer == buffer) {
2469            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
2470            fillOutputBuffer(info);
2471            return;
2472        }
2473    }
2474
2475    CHECK(!"should not be here.");
2476}
2477
2478static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
2479    static const char *kNames[] = {
2480        "OMX_IMAGE_CodingUnused",
2481        "OMX_IMAGE_CodingAutoDetect",
2482        "OMX_IMAGE_CodingJPEG",
2483        "OMX_IMAGE_CodingJPEG2K",
2484        "OMX_IMAGE_CodingEXIF",
2485        "OMX_IMAGE_CodingTIFF",
2486        "OMX_IMAGE_CodingGIF",
2487        "OMX_IMAGE_CodingPNG",
2488        "OMX_IMAGE_CodingLZW",
2489        "OMX_IMAGE_CodingBMP",
2490    };
2491
2492    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2493
2494    if (type < 0 || (size_t)type >= numNames) {
2495        return "UNKNOWN";
2496    } else {
2497        return kNames[type];
2498    }
2499}
2500
2501static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
2502    static const char *kNames[] = {
2503        "OMX_COLOR_FormatUnused",
2504        "OMX_COLOR_FormatMonochrome",
2505        "OMX_COLOR_Format8bitRGB332",
2506        "OMX_COLOR_Format12bitRGB444",
2507        "OMX_COLOR_Format16bitARGB4444",
2508        "OMX_COLOR_Format16bitARGB1555",
2509        "OMX_COLOR_Format16bitRGB565",
2510        "OMX_COLOR_Format16bitBGR565",
2511        "OMX_COLOR_Format18bitRGB666",
2512        "OMX_COLOR_Format18bitARGB1665",
2513        "OMX_COLOR_Format19bitARGB1666",
2514        "OMX_COLOR_Format24bitRGB888",
2515        "OMX_COLOR_Format24bitBGR888",
2516        "OMX_COLOR_Format24bitARGB1887",
2517        "OMX_COLOR_Format25bitARGB1888",
2518        "OMX_COLOR_Format32bitBGRA8888",
2519        "OMX_COLOR_Format32bitARGB8888",
2520        "OMX_COLOR_FormatYUV411Planar",
2521        "OMX_COLOR_FormatYUV411PackedPlanar",
2522        "OMX_COLOR_FormatYUV420Planar",
2523        "OMX_COLOR_FormatYUV420PackedPlanar",
2524        "OMX_COLOR_FormatYUV420SemiPlanar",
2525        "OMX_COLOR_FormatYUV422Planar",
2526        "OMX_COLOR_FormatYUV422PackedPlanar",
2527        "OMX_COLOR_FormatYUV422SemiPlanar",
2528        "OMX_COLOR_FormatYCbYCr",
2529        "OMX_COLOR_FormatYCrYCb",
2530        "OMX_COLOR_FormatCbYCrY",
2531        "OMX_COLOR_FormatCrYCbY",
2532        "OMX_COLOR_FormatYUV444Interleaved",
2533        "OMX_COLOR_FormatRawBayer8bit",
2534        "OMX_COLOR_FormatRawBayer10bit",
2535        "OMX_COLOR_FormatRawBayer8bitcompressed",
2536        "OMX_COLOR_FormatL2",
2537        "OMX_COLOR_FormatL4",
2538        "OMX_COLOR_FormatL8",
2539        "OMX_COLOR_FormatL16",
2540        "OMX_COLOR_FormatL24",
2541        "OMX_COLOR_FormatL32",
2542        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
2543        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
2544        "OMX_COLOR_Format18BitBGR666",
2545        "OMX_COLOR_Format24BitARGB6666",
2546        "OMX_COLOR_Format24BitABGR6666",
2547    };
2548
2549    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2550
2551    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
2552        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
2553    } else if (type < 0 || (size_t)type >= numNames) {
2554        return "UNKNOWN";
2555    } else {
2556        return kNames[type];
2557    }
2558}
2559
2560static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
2561    static const char *kNames[] = {
2562        "OMX_VIDEO_CodingUnused",
2563        "OMX_VIDEO_CodingAutoDetect",
2564        "OMX_VIDEO_CodingMPEG2",
2565        "OMX_VIDEO_CodingH263",
2566        "OMX_VIDEO_CodingMPEG4",
2567        "OMX_VIDEO_CodingWMV",
2568        "OMX_VIDEO_CodingRV",
2569        "OMX_VIDEO_CodingAVC",
2570        "OMX_VIDEO_CodingMJPEG",
2571    };
2572
2573    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2574
2575    if (type < 0 || (size_t)type >= numNames) {
2576        return "UNKNOWN";
2577    } else {
2578        return kNames[type];
2579    }
2580}
2581
2582static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
2583    static const char *kNames[] = {
2584        "OMX_AUDIO_CodingUnused",
2585        "OMX_AUDIO_CodingAutoDetect",
2586        "OMX_AUDIO_CodingPCM",
2587        "OMX_AUDIO_CodingADPCM",
2588        "OMX_AUDIO_CodingAMR",
2589        "OMX_AUDIO_CodingGSMFR",
2590        "OMX_AUDIO_CodingGSMEFR",
2591        "OMX_AUDIO_CodingGSMHR",
2592        "OMX_AUDIO_CodingPDCFR",
2593        "OMX_AUDIO_CodingPDCEFR",
2594        "OMX_AUDIO_CodingPDCHR",
2595        "OMX_AUDIO_CodingTDMAFR",
2596        "OMX_AUDIO_CodingTDMAEFR",
2597        "OMX_AUDIO_CodingQCELP8",
2598        "OMX_AUDIO_CodingQCELP13",
2599        "OMX_AUDIO_CodingEVRC",
2600        "OMX_AUDIO_CodingSMV",
2601        "OMX_AUDIO_CodingG711",
2602        "OMX_AUDIO_CodingG723",
2603        "OMX_AUDIO_CodingG726",
2604        "OMX_AUDIO_CodingG729",
2605        "OMX_AUDIO_CodingAAC",
2606        "OMX_AUDIO_CodingMP3",
2607        "OMX_AUDIO_CodingSBC",
2608        "OMX_AUDIO_CodingVORBIS",
2609        "OMX_AUDIO_CodingWMA",
2610        "OMX_AUDIO_CodingRA",
2611        "OMX_AUDIO_CodingMIDI",
2612    };
2613
2614    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2615
2616    if (type < 0 || (size_t)type >= numNames) {
2617        return "UNKNOWN";
2618    } else {
2619        return kNames[type];
2620    }
2621}
2622
2623static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
2624    static const char *kNames[] = {
2625        "OMX_AUDIO_PCMModeLinear",
2626        "OMX_AUDIO_PCMModeALaw",
2627        "OMX_AUDIO_PCMModeMULaw",
2628    };
2629
2630    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2631
2632    if (type < 0 || (size_t)type >= numNames) {
2633        return "UNKNOWN";
2634    } else {
2635        return kNames[type];
2636    }
2637}
2638
2639static const char *amrBandModeString(OMX_AUDIO_AMRBANDMODETYPE type) {
2640    static const char *kNames[] = {
2641        "OMX_AUDIO_AMRBandModeUnused",
2642        "OMX_AUDIO_AMRBandModeNB0",
2643        "OMX_AUDIO_AMRBandModeNB1",
2644        "OMX_AUDIO_AMRBandModeNB2",
2645        "OMX_AUDIO_AMRBandModeNB3",
2646        "OMX_AUDIO_AMRBandModeNB4",
2647        "OMX_AUDIO_AMRBandModeNB5",
2648        "OMX_AUDIO_AMRBandModeNB6",
2649        "OMX_AUDIO_AMRBandModeNB7",
2650        "OMX_AUDIO_AMRBandModeWB0",
2651        "OMX_AUDIO_AMRBandModeWB1",
2652        "OMX_AUDIO_AMRBandModeWB2",
2653        "OMX_AUDIO_AMRBandModeWB3",
2654        "OMX_AUDIO_AMRBandModeWB4",
2655        "OMX_AUDIO_AMRBandModeWB5",
2656        "OMX_AUDIO_AMRBandModeWB6",
2657        "OMX_AUDIO_AMRBandModeWB7",
2658        "OMX_AUDIO_AMRBandModeWB8",
2659    };
2660
2661    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2662
2663    if (type < 0 || (size_t)type >= numNames) {
2664        return "UNKNOWN";
2665    } else {
2666        return kNames[type];
2667    }
2668}
2669
2670static const char *amrFrameFormatString(OMX_AUDIO_AMRFRAMEFORMATTYPE type) {
2671    static const char *kNames[] = {
2672        "OMX_AUDIO_AMRFrameFormatConformance",
2673        "OMX_AUDIO_AMRFrameFormatIF1",
2674        "OMX_AUDIO_AMRFrameFormatIF2",
2675        "OMX_AUDIO_AMRFrameFormatFSF",
2676        "OMX_AUDIO_AMRFrameFormatRTPPayload",
2677        "OMX_AUDIO_AMRFrameFormatITU",
2678    };
2679
2680    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2681
2682    if (type < 0 || (size_t)type >= numNames) {
2683        return "UNKNOWN";
2684    } else {
2685        return kNames[type];
2686    }
2687}
2688
2689void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
2690    OMX_PARAM_PORTDEFINITIONTYPE def;
2691    InitOMXParams(&def);
2692    def.nPortIndex = portIndex;
2693
2694    status_t err = mOMX->getParameter(
2695            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2696    CHECK_EQ(err, OK);
2697
2698    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
2699
2700    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
2701          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
2702
2703    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
2704    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
2705    printf("  nBufferSize = %ld\n", def.nBufferSize);
2706
2707    switch (def.eDomain) {
2708        case OMX_PortDomainImage:
2709        {
2710            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2711
2712            printf("\n");
2713            printf("  // Image\n");
2714            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
2715            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
2716            printf("  nStride = %ld\n", imageDef->nStride);
2717
2718            printf("  eCompressionFormat = %s\n",
2719                   imageCompressionFormatString(imageDef->eCompressionFormat));
2720
2721            printf("  eColorFormat = %s\n",
2722                   colorFormatString(imageDef->eColorFormat));
2723
2724            break;
2725        }
2726
2727        case OMX_PortDomainVideo:
2728        {
2729            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2730
2731            printf("\n");
2732            printf("  // Video\n");
2733            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
2734            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
2735            printf("  nStride = %ld\n", videoDef->nStride);
2736
2737            printf("  eCompressionFormat = %s\n",
2738                   videoCompressionFormatString(videoDef->eCompressionFormat));
2739
2740            printf("  eColorFormat = %s\n",
2741                   colorFormatString(videoDef->eColorFormat));
2742
2743            break;
2744        }
2745
2746        case OMX_PortDomainAudio:
2747        {
2748            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2749
2750            printf("\n");
2751            printf("  // Audio\n");
2752            printf("  eEncoding = %s\n",
2753                   audioCodingTypeString(audioDef->eEncoding));
2754
2755            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
2756                OMX_AUDIO_PARAM_PCMMODETYPE params;
2757                InitOMXParams(&params);
2758                params.nPortIndex = portIndex;
2759
2760                err = mOMX->getParameter(
2761                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2762                CHECK_EQ(err, OK);
2763
2764                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
2765                printf("  nChannels = %ld\n", params.nChannels);
2766                printf("  bInterleaved = %d\n", params.bInterleaved);
2767                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
2768
2769                printf("  eNumData = %s\n",
2770                       params.eNumData == OMX_NumericalDataSigned
2771                        ? "signed" : "unsigned");
2772
2773                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
2774            } else if (audioDef->eEncoding == OMX_AUDIO_CodingAMR) {
2775                OMX_AUDIO_PARAM_AMRTYPE amr;
2776                InitOMXParams(&amr);
2777                amr.nPortIndex = portIndex;
2778
2779                err = mOMX->getParameter(
2780                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2781                CHECK_EQ(err, OK);
2782
2783                printf("  nChannels = %ld\n", amr.nChannels);
2784                printf("  eAMRBandMode = %s\n",
2785                        amrBandModeString(amr.eAMRBandMode));
2786                printf("  eAMRFrameFormat = %s\n",
2787                        amrFrameFormatString(amr.eAMRFrameFormat));
2788            }
2789
2790            break;
2791        }
2792
2793        default:
2794        {
2795            printf("  // Unknown\n");
2796            break;
2797        }
2798    }
2799
2800    printf("}\n");
2801}
2802
2803void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
2804    mOutputFormat = new MetaData;
2805    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
2806
2807    OMX_PARAM_PORTDEFINITIONTYPE def;
2808    InitOMXParams(&def);
2809    def.nPortIndex = kPortIndexOutput;
2810
2811    status_t err = mOMX->getParameter(
2812            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2813    CHECK_EQ(err, OK);
2814
2815    switch (def.eDomain) {
2816        case OMX_PortDomainImage:
2817        {
2818            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2819            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2820
2821            mOutputFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
2822            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
2823            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
2824            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
2825            break;
2826        }
2827
2828        case OMX_PortDomainAudio:
2829        {
2830            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
2831
2832            if (audio_def->eEncoding == OMX_AUDIO_CodingPCM) {
2833                OMX_AUDIO_PARAM_PCMMODETYPE params;
2834                InitOMXParams(&params);
2835                params.nPortIndex = kPortIndexOutput;
2836
2837                err = mOMX->getParameter(
2838                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2839                CHECK_EQ(err, OK);
2840
2841                CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
2842                CHECK_EQ(params.nBitPerSample, 16);
2843                CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
2844
2845                int32_t numChannels, sampleRate;
2846                inputFormat->findInt32(kKeyChannelCount, &numChannels);
2847                inputFormat->findInt32(kKeySampleRate, &sampleRate);
2848
2849                if ((OMX_U32)numChannels != params.nChannels) {
2850                    LOGW("Codec outputs a different number of channels than "
2851                         "the input stream contains (contains %d channels, "
2852                         "codec outputs %ld channels).",
2853                         numChannels, params.nChannels);
2854                }
2855
2856                mOutputFormat->setCString(
2857                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
2858
2859                // Use the codec-advertised number of channels, as some
2860                // codecs appear to output stereo even if the input data is
2861                // mono. If we know the codec lies about this information,
2862                // use the actual number of channels instead.
2863                mOutputFormat->setInt32(
2864                        kKeyChannelCount,
2865                        (mQuirks & kDecoderLiesAboutNumberOfChannels)
2866                            ? numChannels : params.nChannels);
2867
2868                // The codec-reported sampleRate is not reliable...
2869                mOutputFormat->setInt32(kKeySampleRate, sampleRate);
2870            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAMR) {
2871                OMX_AUDIO_PARAM_AMRTYPE amr;
2872                InitOMXParams(&amr);
2873                amr.nPortIndex = kPortIndexOutput;
2874
2875                err = mOMX->getParameter(
2876                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2877                CHECK_EQ(err, OK);
2878
2879                CHECK_EQ(amr.nChannels, 1);
2880                mOutputFormat->setInt32(kKeyChannelCount, 1);
2881
2882                if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeNB0
2883                    && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeNB7) {
2884                    mOutputFormat->setCString(
2885                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_NB);
2886                    mOutputFormat->setInt32(kKeySampleRate, 8000);
2887                } else if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0
2888                            && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeWB8) {
2889                    mOutputFormat->setCString(
2890                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_WB);
2891                    mOutputFormat->setInt32(kKeySampleRate, 16000);
2892                } else {
2893                    CHECK(!"Unknown AMR band mode.");
2894                }
2895            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAAC) {
2896                mOutputFormat->setCString(
2897                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AAC);
2898            } else {
2899                CHECK(!"Should not be here. Unknown audio encoding.");
2900            }
2901            break;
2902        }
2903
2904        case OMX_PortDomainVideo:
2905        {
2906            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2907
2908            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
2909                mOutputFormat->setCString(
2910                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
2911            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
2912                mOutputFormat->setCString(
2913                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
2914            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
2915                mOutputFormat->setCString(
2916                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
2917            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
2918                mOutputFormat->setCString(
2919                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
2920            } else {
2921                CHECK(!"Unknown compression format.");
2922            }
2923
2924            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
2925                // This component appears to be lying to me.
2926                mOutputFormat->setInt32(
2927                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
2928                mOutputFormat->setInt32(
2929                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
2930            } else {
2931                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
2932                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
2933            }
2934
2935            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
2936            break;
2937        }
2938
2939        default:
2940        {
2941            CHECK(!"should not be here, neither audio nor video.");
2942            break;
2943        }
2944    }
2945}
2946
2947////////////////////////////////////////////////////////////////////////////////
2948
2949status_t QueryCodecs(
2950        const sp<IOMX> &omx,
2951        const char *mime, bool queryDecoders,
2952        Vector<CodecCapabilities> *results) {
2953    results->clear();
2954
2955    for (int index = 0;; ++index) {
2956        const char *componentName;
2957
2958        if (!queryDecoders) {
2959            componentName = GetCodec(
2960                    kEncoderInfo, sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
2961                    mime, index);
2962        } else {
2963            componentName = GetCodec(
2964                    kDecoderInfo, sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
2965                    mime, index);
2966        }
2967
2968        if (!componentName) {
2969            return OK;
2970        }
2971
2972        if (strncmp(componentName, "OMX.", 4)) {
2973            // Not an OpenMax component but a software codec.
2974
2975            results->push();
2976            CodecCapabilities *caps = &results->editItemAt(results->size() - 1);
2977            caps->mComponentName = componentName;
2978
2979            continue;
2980        }
2981
2982        sp<OMXCodecObserver> observer = new OMXCodecObserver;
2983        IOMX::node_id node;
2984        status_t err = omx->allocateNode(componentName, observer, &node);
2985
2986        if (err != OK) {
2987            continue;
2988        }
2989
2990        OMXCodec::setComponentRole(omx, node, queryDecoders, mime);
2991
2992        results->push();
2993        CodecCapabilities *caps = &results->editItemAt(results->size() - 1);
2994        caps->mComponentName = componentName;
2995
2996        OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
2997        InitOMXParams(&param);
2998
2999        param.nPortIndex = queryDecoders ? 0 : 1;
3000
3001        for (param.nProfileIndex = 0;; ++param.nProfileIndex) {
3002            err = omx->getParameter(
3003                    node, OMX_IndexParamVideoProfileLevelQuerySupported,
3004                    &param, sizeof(param));
3005
3006            if (err != OK) {
3007                break;
3008            }
3009
3010            CodecProfileLevel profileLevel;
3011            profileLevel.mProfile = param.eProfile;
3012            profileLevel.mLevel = param.eLevel;
3013
3014            caps->mProfileLevels.push(profileLevel);
3015        }
3016
3017        CHECK_EQ(omx->freeNode(node), OK);
3018    }
3019}
3020
3021}  // namespace android
3022