OMXCodec.cpp revision bde3caae211e215e4bbfef1a267f8d680efa4764 
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 <binder/IServiceManager.h>
22#include <binder/MemoryDealer.h>
23#include <binder/ProcessState.h>
24#include <media/IMediaPlayerService.h>
25#include <media/stagefright/ESDS.h>
26#include <media/stagefright/MediaBuffer.h>
27#include <media/stagefright/MediaBufferGroup.h>
28#include <media/stagefright/MediaDebug.h>
29#include <media/stagefright/MediaExtractor.h>
30#include <media/stagefright/MetaData.h>
31#include <media/stagefright/MmapSource.h>
32#include <media/stagefright/OMXCodec.h>
33#include <media/stagefright/Utils.h>
34#include <utils/Vector.h>
35
36#include <OMX_Audio.h>
37#include <OMX_Component.h>
38
39namespace android {
40
41struct CodecInfo {
42    const char *mime;
43    const char *codec;
44};
45
46static const CodecInfo kDecoderInfo[] = {
47    { "image/jpeg", "OMX.TI.JPEG.decode" },
48    { "audio/mpeg", "OMX.TI.MP3.decode" },
49    { "audio/mpeg", "OMX.PV.mp3dec" },
50    { "audio/3gpp", "OMX.TI.AMR.decode" },
51    { "audio/3gpp", "OMX.PV.amrdec" },
52    { "audio/mp4a-latm", "OMX.TI.AAC.decode" },
53    { "audio/mp4a-latm", "OMX.PV.aacdec" },
54    { "video/mp4v-es", "OMX.qcom.video.decoder.mpeg4" },
55    { "video/mp4v-es", "OMX.TI.Video.Decoder" },
56    { "video/mp4v-es", "OMX.PV.mpeg4dec" },
57    { "video/3gpp", "OMX.qcom.video.decoder.h263" },
58    { "video/3gpp", "OMX.TI.Video.Decoder" },
59    { "video/3gpp", "OMX.PV.h263dec" },
60    { "video/avc", "OMX.qcom.video.decoder.avc" },
61    { "video/avc", "OMX.TI.Video.Decoder" },
62    { "video/avc", "OMX.PV.avcdec" },
63};
64
65static const CodecInfo kEncoderInfo[] = {
66    { "audio/3gpp", "OMX.TI.AMR.encode" },
67    { "audio/3gpp", "OMX.PV.amrencnb" },
68    { "audio/mp4a-latm", "OMX.TI.AAC.encode" },
69    { "audio/mp4a-latm", "OMX.PV.aacenc" },
70    { "video/mp4v-es", "OMX.qcom.video.encoder.mpeg4" },
71    { "video/mp4v-es", "OMX.TI.Video.encoder" },
72    { "video/mp4v-es", "OMX.PV.mpeg4enc" },
73    { "video/3gpp", "OMX.qcom.video.encoder.h263" },
74    { "video/3gpp", "OMX.TI.Video.encoder" },
75    { "video/3gpp", "OMX.PV.h263enc" },
76    { "video/avc", "OMX.TI.Video.encoder" },
77    { "video/avc", "OMX.PV.avcenc" },
78};
79
80struct OMXCodecObserver : public BnOMXObserver {
81    OMXCodecObserver(const wp<OMXCodec> &target)
82        : mTarget(target) {
83    }
84
85    // from IOMXObserver
86    virtual void on_message(const omx_message &msg) {
87        sp<OMXCodec> codec = mTarget.promote();
88
89        if (codec.get() != NULL) {
90            codec->on_message(msg);
91        }
92    }
93
94protected:
95    virtual ~OMXCodecObserver() {}
96
97private:
98    wp<OMXCodec> mTarget;
99
100    OMXCodecObserver(const OMXCodecObserver &);
101    OMXCodecObserver &operator=(const OMXCodecObserver &);
102};
103
104static const char *GetCodec(const CodecInfo *info, size_t numInfos,
105                            const char *mime, int index) {
106    CHECK(index >= 0);
107    for(size_t i = 0; i < numInfos; ++i) {
108        if (!strcasecmp(mime, info[i].mime)) {
109            if (index == 0) {
110                return info[i].codec;
111            }
112
113            --index;
114        }
115    }
116
117    return NULL;
118}
119
120enum {
121    kAVCProfileBaseline      = 0x42,
122    kAVCProfileMain          = 0x4d,
123    kAVCProfileExtended      = 0x58,
124    kAVCProfileHigh          = 0x64,
125    kAVCProfileHigh10        = 0x6e,
126    kAVCProfileHigh422       = 0x7a,
127    kAVCProfileHigh444       = 0xf4,
128    kAVCProfileCAVLC444Intra = 0x2c
129};
130
131static const char *AVCProfileToString(uint8_t profile) {
132    switch (profile) {
133        case kAVCProfileBaseline:
134            return "Baseline";
135        case kAVCProfileMain:
136            return "Main";
137        case kAVCProfileExtended:
138            return "Extended";
139        case kAVCProfileHigh:
140            return "High";
141        case kAVCProfileHigh10:
142            return "High 10";
143        case kAVCProfileHigh422:
144            return "High 422";
145        case kAVCProfileHigh444:
146            return "High 444";
147        case kAVCProfileCAVLC444Intra:
148            return "CAVLC 444 Intra";
149        default:   return "Unknown";
150    }
151}
152
153// static
154sp<OMXCodec> OMXCodec::Create(
155        const sp<IOMX> &omx,
156        const sp<MetaData> &meta, bool createEncoder,
157        const sp<MediaSource> &source) {
158    const char *mime;
159    bool success = meta->findCString(kKeyMIMEType, &mime);
160    CHECK(success);
161
162    const char *componentName = NULL;
163    IOMX::node_id node = 0;
164    for (int index = 0;; ++index) {
165        if (createEncoder) {
166            componentName = GetCodec(
167                    kEncoderInfo, sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
168                    mime, index);
169        } else {
170            componentName = GetCodec(
171                    kDecoderInfo, sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
172                    mime, index);
173        }
174
175        if (!componentName) {
176            return NULL;
177        }
178
179        LOGV("Attempting to allocate OMX node '%s'", componentName);
180
181        status_t err = omx->allocate_node(componentName, &node);
182        if (err == OK) {
183            break;
184        }
185    }
186
187    uint32_t quirks = 0;
188    if (!strcmp(componentName, "OMX.PV.avcdec")) {
189        quirks |= kWantsNALFragments;
190    }
191    if (!strcmp(componentName, "OMX.TI.MP3.decode")) {
192        quirks |= kNeedsFlushBeforeDisable;
193    }
194    if (!strcmp(componentName, "OMX.TI.AAC.decode")) {
195        quirks |= kNeedsFlushBeforeDisable;
196    }
197    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
198        quirks |= kRequiresLoadedToIdleAfterAllocation;
199        quirks |= kRequiresAllocateBufferOnInputPorts;
200    }
201
202    sp<OMXCodec> codec = new OMXCodec(
203            omx, node, quirks, createEncoder, mime, componentName,
204            source);
205
206    uint32_t type;
207    const void *data;
208    size_t size;
209    if (meta->findData(kKeyESDS, &type, &data, &size)) {
210        ESDS esds((const char *)data, size);
211        CHECK_EQ(esds.InitCheck(), OK);
212
213        const void *codec_specific_data;
214        size_t codec_specific_data_size;
215        esds.getCodecSpecificInfo(
216                &codec_specific_data, &codec_specific_data_size);
217
218        printf("found codec-specific data of size %d\n",
219               codec_specific_data_size);
220
221        codec->addCodecSpecificData(
222                codec_specific_data, codec_specific_data_size);
223    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
224        printf("found avcc of size %d\n", size);
225
226        // Parse the AVCDecoderConfigurationRecord
227
228        const uint8_t *ptr = (const uint8_t *)data;
229
230        CHECK(size >= 7);
231        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
232        uint8_t profile = ptr[1];
233        uint8_t level = ptr[3];
234
235        CHECK((ptr[4] >> 2) == 0x3f);  // reserved
236
237        size_t lengthSize = 1 + (ptr[4] & 3);
238
239        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
240        // violates it...
241        // CHECK((ptr[5] >> 5) == 7);  // reserved
242
243        size_t numSeqParameterSets = ptr[5] & 31;
244
245        ptr += 6;
246        size -= 6;
247
248        for (size_t i = 0; i < numSeqParameterSets; ++i) {
249            CHECK(size >= 2);
250            size_t length = U16_AT(ptr);
251
252            ptr += 2;
253            size -= 2;
254
255            CHECK(size >= length);
256
257            codec->addCodecSpecificData(ptr, length);
258
259            ptr += length;
260            size -= length;
261        }
262
263        CHECK(size >= 1);
264        size_t numPictureParameterSets = *ptr;
265        ++ptr;
266        --size;
267
268        for (size_t i = 0; i < numPictureParameterSets; ++i) {
269            CHECK(size >= 2);
270            size_t length = U16_AT(ptr);
271
272            ptr += 2;
273            size -= 2;
274
275            CHECK(size >= length);
276
277            codec->addCodecSpecificData(ptr, length);
278
279            ptr += length;
280            size -= length;
281        }
282
283        LOGI("AVC profile = %d (%s), level = %d",
284             (int)profile, AVCProfileToString(profile), (int)level / 10);
285
286        if (!strcmp(componentName, "OMX.TI.Video.Decoder")
287            && (profile != kAVCProfileBaseline || level > 39)) {
288            // This stream exceeds the decoder's capabilities.
289
290            LOGE("Profile and/or level exceed the decoder's capabilities.");
291            return NULL;
292        }
293    }
294
295    if (!strcasecmp("audio/3gpp", mime)) {
296        codec->setAMRFormat();
297    }
298    if (!createEncoder && !strcasecmp("audio/mp4a-latm", mime)) {
299        codec->setAACFormat();
300    }
301    if (!strncasecmp(mime, "video/", 6)) {
302        int32_t width, height;
303        bool success = meta->findInt32(kKeyWidth, &width);
304        success = success && meta->findInt32(kKeyHeight, &height);
305        assert(success);
306
307        if (createEncoder) {
308            codec->setVideoInputFormat(mime, width, height);
309        } else {
310            codec->setVideoOutputFormat(mime, width, height);
311        }
312    }
313    if (!strcasecmp(mime, "image/jpeg")
314        && !strcmp(componentName, "OMX.TI.JPEG.decode")) {
315        OMX_COLOR_FORMATTYPE format =
316            OMX_COLOR_Format32bitARGB8888;
317            // OMX_COLOR_FormatYUV420PackedPlanar;
318            // OMX_COLOR_FormatCbYCrY;
319            // OMX_COLOR_FormatYUV411Planar;
320
321        int32_t width, height;
322        bool success = meta->findInt32(kKeyWidth, &width);
323        success = success && meta->findInt32(kKeyHeight, &height);
324        assert(success);
325
326        codec->setImageOutputFormat(format, width, height);
327    }
328
329    codec->initOutputFormat(meta);
330
331    return codec;
332}
333
334status_t OMXCodec::setVideoPortFormatType(
335        OMX_U32 portIndex,
336        OMX_VIDEO_CODINGTYPE compressionFormat,
337        OMX_COLOR_FORMATTYPE colorFormat) {
338    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
339    format.nSize = sizeof(format);
340    format.nVersion.s.nVersionMajor = 1;
341    format.nVersion.s.nVersionMinor = 1;
342    format.nPortIndex = portIndex;
343    format.nIndex = 0;
344    bool found = false;
345
346    OMX_U32 index = 0;
347    for (;;) {
348        format.nIndex = index;
349        status_t err = mOMX->get_parameter(
350                mNode, OMX_IndexParamVideoPortFormat,
351                &format, sizeof(format));
352
353        if (err != OK) {
354            return err;
355        }
356
357        // The following assertion is violated by TI's video decoder.
358        // assert(format.nIndex == index);
359
360#if 1
361        LOGI("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
362             portIndex,
363             index, format.eCompressionFormat, format.eColorFormat);
364#endif
365
366        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
367            if (portIndex == kPortIndexInput
368                    && colorFormat == format.eColorFormat) {
369                // eCompressionFormat does not seem right.
370                found = true;
371                break;
372            }
373            if (portIndex == kPortIndexOutput
374                    && compressionFormat == format.eCompressionFormat) {
375                // eColorFormat does not seem right.
376                found = true;
377                break;
378            }
379        }
380
381        if (format.eCompressionFormat == compressionFormat
382            && format.eColorFormat == colorFormat) {
383            found = true;
384            break;
385        }
386
387        ++index;
388    }
389
390    if (!found) {
391        return UNKNOWN_ERROR;
392    }
393
394    LOGI("found a match.");
395    status_t err = mOMX->set_parameter(
396            mNode, OMX_IndexParamVideoPortFormat,
397            &format, sizeof(format));
398
399    return err;
400}
401
402void OMXCodec::setVideoInputFormat(
403        const char *mime, OMX_U32 width, OMX_U32 height) {
404    LOGI("setVideoInputFormat width=%ld, height=%ld", width, height);
405
406    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
407    if (!strcasecmp("video/avc", mime)) {
408        compressionFormat = OMX_VIDEO_CodingAVC;
409    } else if (!strcasecmp("video/mp4v-es", mime)) {
410        compressionFormat = OMX_VIDEO_CodingMPEG4;
411    } else if (!strcasecmp("video/3gpp", mime)) {
412        compressionFormat = OMX_VIDEO_CodingH263;
413    } else {
414        LOGE("Not a supported video mime type: %s", mime);
415        CHECK(!"Should not be here. Not a supported video mime type.");
416    }
417
418    OMX_COLOR_FORMATTYPE colorFormat =
419        0 ? OMX_COLOR_FormatYCbYCr : OMX_COLOR_FormatCbYCrY;
420
421    if (!strncmp("OMX.qcom.video.encoder.", mComponentName, 23)) {
422        colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
423    }
424
425    setVideoPortFormatType(
426            kPortIndexInput, OMX_VIDEO_CodingUnused,
427            colorFormat);
428
429    setVideoPortFormatType(
430            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
431
432    OMX_PARAM_PORTDEFINITIONTYPE def;
433    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
434
435    def.nSize = sizeof(def);
436    def.nVersion.s.nVersionMajor = 1;
437    def.nVersion.s.nVersionMinor = 1;
438    def.nPortIndex = kPortIndexOutput;
439
440    status_t err = mOMX->get_parameter(
441            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
442
443    CHECK_EQ(err, OK);
444    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
445
446    video_def->nFrameWidth = width;
447    video_def->nFrameHeight = height;
448
449    video_def->eCompressionFormat = compressionFormat;
450    video_def->eColorFormat = OMX_COLOR_FormatUnused;
451
452    err = mOMX->set_parameter(
453            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
454    CHECK_EQ(err, OK);
455
456    ////////////////////////////////////////////////////////////////////////////
457
458    def.nSize = sizeof(def);
459    def.nVersion.s.nVersionMajor = 1;
460    def.nVersion.s.nVersionMinor = 1;
461    def.nPortIndex = kPortIndexInput;
462
463    err = mOMX->get_parameter(
464            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
465    CHECK_EQ(err, OK);
466
467    def.nBufferSize = (width * height * 2); // (width * height * 3) / 2;
468    LOGI("setting nBufferSize = %ld", def.nBufferSize);
469
470    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
471
472    video_def->nFrameWidth = width;
473    video_def->nFrameHeight = height;
474    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
475    video_def->eColorFormat = colorFormat;
476
477    err = mOMX->set_parameter(
478            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
479    CHECK_EQ(err, OK);
480}
481
482void OMXCodec::setVideoOutputFormat(
483        const char *mime, OMX_U32 width, OMX_U32 height) {
484    LOGI("setVideoOutputFormat width=%ld, height=%ld", width, height);
485
486    // Enabling this code appears to be the right thing(tm), but,...
487    // the TI decoder then loses the ability to output YUV420 and only outputs
488    // YCbYCr (16bit)
489    if (!strcmp("OMX.TI.Video.Decoder", mComponentName)
490        && !strcasecmp("video/avc", mime)) {
491        OMX_PARAM_COMPONENTROLETYPE role;
492        role.nSize = sizeof(role);
493        role.nVersion.s.nVersionMajor = 1;
494        role.nVersion.s.nVersionMinor = 1;
495        strncpy((char *)role.cRole, "video_decoder.avc",
496                OMX_MAX_STRINGNAME_SIZE - 1);
497        role.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
498
499        status_t err = mOMX->set_parameter(
500                mNode, OMX_IndexParamStandardComponentRole,
501                &role, sizeof(role));
502        CHECK_EQ(err, OK);
503    }
504
505    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
506    if (!strcasecmp("video/avc", mime)) {
507        compressionFormat = OMX_VIDEO_CodingAVC;
508    } else if (!strcasecmp("video/mp4v-es", mime)) {
509        compressionFormat = OMX_VIDEO_CodingMPEG4;
510    } else if (!strcasecmp("video/3gpp", mime)) {
511        compressionFormat = OMX_VIDEO_CodingH263;
512    } else {
513        LOGE("Not a supported video mime type: %s", mime);
514        CHECK(!"Should not be here. Not a supported video mime type.");
515    }
516
517    setVideoPortFormatType(
518            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
519
520#if 1
521    {
522        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
523        format.nSize = sizeof(format);
524        format.nVersion.s.nVersionMajor = 1;
525        format.nVersion.s.nVersionMinor = 1;
526        format.nPortIndex = kPortIndexOutput;
527        format.nIndex = 0;
528
529        status_t err = mOMX->get_parameter(
530                mNode, OMX_IndexParamVideoPortFormat,
531                &format, sizeof(format));
532        CHECK_EQ(err, OK);
533        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
534
535        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
536
537        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
538               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
539               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
540               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
541
542        err = mOMX->set_parameter(
543                mNode, OMX_IndexParamVideoPortFormat,
544                &format, sizeof(format));
545        CHECK_EQ(err, OK);
546    }
547#endif
548
549    OMX_PARAM_PORTDEFINITIONTYPE def;
550    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
551
552    def.nSize = sizeof(def);
553    def.nVersion.s.nVersionMajor = 1;
554    def.nVersion.s.nVersionMinor = 1;
555    def.nPortIndex = kPortIndexInput;
556
557    status_t err = mOMX->get_parameter(
558            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
559
560    CHECK_EQ(err, OK);
561
562#if 1
563    // XXX Need a (much) better heuristic to compute input buffer sizes.
564    const size_t X = 64 * 1024;
565    if (def.nBufferSize < X) {
566        def.nBufferSize = X;
567    }
568#endif
569
570    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
571
572    video_def->nFrameWidth = width;
573    video_def->nFrameHeight = height;
574
575    video_def->eColorFormat = OMX_COLOR_FormatUnused;
576
577    err = mOMX->set_parameter(
578            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
579    CHECK_EQ(err, OK);
580
581    ////////////////////////////////////////////////////////////////////////////
582
583    def.nSize = sizeof(def);
584    def.nVersion.s.nVersionMajor = 1;
585    def.nVersion.s.nVersionMinor = 1;
586    def.nPortIndex = kPortIndexOutput;
587
588    err = mOMX->get_parameter(
589            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
590    CHECK_EQ(err, OK);
591    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
592
593#if 0
594    def.nBufferSize =
595        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
596#endif
597
598    video_def->nFrameWidth = width;
599    video_def->nFrameHeight = height;
600
601    err = mOMX->set_parameter(
602            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
603    CHECK_EQ(err, OK);
604}
605
606
607OMXCodec::OMXCodec(
608        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
609        bool isEncoder,
610        const char *mime,
611        const char *componentName,
612        const sp<MediaSource> &source)
613    : mOMX(omx),
614      mNode(node),
615      mQuirks(quirks),
616      mIsEncoder(isEncoder),
617      mMIME(strdup(mime)),
618      mComponentName(strdup(componentName)),
619      mSource(source),
620      mCodecSpecificDataIndex(0),
621      mDealer(new MemoryDealer(5 * 1024 * 1024)),
622      mState(LOADED),
623      mSignalledEOS(false),
624      mNoMoreOutputData(false),
625      mSeekTimeUs(-1) {
626    mPortStatus[kPortIndexInput] = ENABLED;
627    mPortStatus[kPortIndexOutput] = ENABLED;
628
629    mObserver = new OMXCodecObserver(this);
630    mOMX->observe_node(mNode, mObserver);
631}
632
633OMXCodec::~OMXCodec() {
634    CHECK(mState == LOADED || mState == ERROR);
635
636    status_t err = mOMX->observe_node(mNode, NULL);
637    CHECK_EQ(err, OK);
638
639    err = mOMX->free_node(mNode);
640    CHECK_EQ(err, OK);
641
642    mNode = NULL;
643    setState(DEAD);
644
645    clearCodecSpecificData();
646
647    free(mComponentName);
648    mComponentName = NULL;
649
650    free(mMIME);
651    mMIME = NULL;
652}
653
654status_t OMXCodec::init() {
655    Mutex::Autolock autoLock(mLock);
656
657    CHECK_EQ(mState, LOADED);
658
659    status_t err;
660    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
661        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
662        CHECK_EQ(err, OK);
663
664        setState(LOADED_TO_IDLE);
665    }
666
667    err = allocateBuffers();
668    CHECK_EQ(err, OK);
669
670    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
671        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
672        CHECK_EQ(err, OK);
673
674        setState(LOADED_TO_IDLE);
675    }
676
677    while (mState != EXECUTING && mState != ERROR) {
678        mAsyncCompletion.wait(mLock);
679    }
680
681    return mState == ERROR ? UNKNOWN_ERROR : OK;
682}
683
684// static
685bool OMXCodec::isIntermediateState(State state) {
686    return state == LOADED_TO_IDLE
687        || state == IDLE_TO_EXECUTING
688        || state == EXECUTING_TO_IDLE
689        || state == IDLE_TO_LOADED
690        || state == RECONFIGURING;
691}
692
693status_t OMXCodec::allocateBuffers() {
694    status_t err = allocateBuffersOnPort(kPortIndexInput);
695
696    if (err != OK) {
697        return err;
698    }
699
700    return allocateBuffersOnPort(kPortIndexOutput);
701}
702
703status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
704    OMX_PARAM_PORTDEFINITIONTYPE def;
705    def.nSize = sizeof(def);
706    def.nVersion.s.nVersionMajor = 1;
707    def.nVersion.s.nVersionMinor = 1;
708    def.nVersion.s.nRevision = 0;
709    def.nVersion.s.nStep = 0;
710    def.nPortIndex = portIndex;
711
712    status_t err = mOMX->get_parameter(
713            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
714
715    if (err != OK) {
716        return err;
717    }
718
719    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
720        sp<IMemory> mem = mDealer->allocate(def.nBufferSize);
721        CHECK(mem.get() != NULL);
722
723        IOMX::buffer_id buffer;
724        if (portIndex == kPortIndexInput
725                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
726            err = mOMX->allocate_buffer_with_backup(
727                    mNode, portIndex, mem, &buffer);
728        } else {
729            err = mOMX->use_buffer(mNode, portIndex, mem, &buffer);
730        }
731
732        if (err != OK) {
733            LOGE("allocate_buffer_with_backup failed");
734            return err;
735        }
736
737        BufferInfo info;
738        info.mBuffer = buffer;
739        info.mOwnedByComponent = false;
740        info.mMem = mem;
741        info.mMediaBuffer = NULL;
742
743        if (portIndex == kPortIndexOutput) {
744            info.mMediaBuffer = new MediaBuffer(mem->pointer(), mem->size());
745            info.mMediaBuffer->setObserver(this);
746        }
747
748        mPortBuffers[portIndex].push(info);
749
750        LOGV("allocated buffer %p on %s port", buffer,
751             portIndex == kPortIndexInput ? "input" : "output");
752    }
753
754    dumpPortStatus(portIndex);
755
756    return OK;
757}
758
759void OMXCodec::on_message(const omx_message &msg) {
760    Mutex::Autolock autoLock(mLock);
761
762    switch (msg.type) {
763        case omx_message::EVENT:
764        {
765            onEvent(
766                 msg.u.event_data.event, msg.u.event_data.data1,
767                 msg.u.event_data.data2);
768
769            break;
770        }
771
772        case omx_message::EMPTY_BUFFER_DONE:
773        {
774            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
775
776            LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
777
778            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
779            size_t i = 0;
780            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
781                ++i;
782            }
783
784            CHECK(i < buffers->size());
785            if (!(*buffers)[i].mOwnedByComponent) {
786                LOGW("We already own input buffer %p, yet received "
787                     "an EMPTY_BUFFER_DONE.", buffer);
788            }
789
790            buffers->editItemAt(i).mOwnedByComponent = false;
791
792            if (mPortStatus[kPortIndexInput] == DISABLING) {
793                LOGV("Port is disabled, freeing buffer %p", buffer);
794
795                status_t err =
796                    mOMX->free_buffer(mNode, kPortIndexInput, buffer);
797                CHECK_EQ(err, OK);
798
799                buffers->removeAt(i);
800            } else if (mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
801                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
802                drainInputBuffer(&buffers->editItemAt(i));
803            }
804
805            break;
806        }
807
808        case omx_message::FILL_BUFFER_DONE:
809        {
810            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
811            OMX_U32 flags = msg.u.extended_buffer_data.flags;
812
813            LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx)",
814                 buffer,
815                 msg.u.extended_buffer_data.range_length,
816                 flags);
817
818            LOGV("FILL_BUFFER_DONE(timestamp: %lld us (%.2f secs))",
819                 msg.u.extended_buffer_data.timestamp,
820                 msg.u.extended_buffer_data.timestamp / 1E6);
821
822            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
823            size_t i = 0;
824            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
825                ++i;
826            }
827
828            CHECK(i < buffers->size());
829            BufferInfo *info = &buffers->editItemAt(i);
830
831            if (!info->mOwnedByComponent) {
832                LOGW("We already own output buffer %p, yet received "
833                     "a FILL_BUFFER_DONE.", buffer);
834            }
835
836            info->mOwnedByComponent = false;
837
838            if (mPortStatus[kPortIndexOutput] == DISABLING) {
839                LOGV("Port is disabled, freeing buffer %p", buffer);
840
841                status_t err =
842                    mOMX->free_buffer(mNode, kPortIndexOutput, buffer);
843                CHECK_EQ(err, OK);
844
845                buffers->removeAt(i);
846            } else if (flags & OMX_BUFFERFLAG_EOS) {
847                LOGV("No more output data.");
848                mNoMoreOutputData = true;
849                mBufferFilled.signal();
850            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
851                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
852
853                MediaBuffer *buffer = info->mMediaBuffer;
854
855                buffer->set_range(
856                        msg.u.extended_buffer_data.range_offset,
857                        msg.u.extended_buffer_data.range_length);
858
859                buffer->meta_data()->clear();
860
861                buffer->meta_data()->setInt32(
862                        kKeyTimeUnits,
863                        (msg.u.extended_buffer_data.timestamp + 500) / 1000);
864
865                buffer->meta_data()->setInt32(
866                        kKeyTimeScale, 1000);
867
868                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
869                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
870                }
871
872                buffer->meta_data()->setPointer(
873                        kKeyPlatformPrivate,
874                        msg.u.extended_buffer_data.platform_private);
875
876                buffer->meta_data()->setPointer(
877                        kKeyBufferID,
878                        msg.u.extended_buffer_data.buffer);
879
880                mFilledBuffers.push_back(i);
881                mBufferFilled.signal();
882            }
883
884            break;
885        }
886
887        default:
888        {
889            CHECK(!"should not be here.");
890            break;
891        }
892    }
893}
894
895void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
896    switch (event) {
897        case OMX_EventCmdComplete:
898        {
899            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
900            break;
901        }
902
903        case OMX_EventError:
904        {
905            LOGE("ERROR(%ld, %ld)", data1, data2);
906
907            setState(ERROR);
908            break;
909        }
910
911        case OMX_EventPortSettingsChanged:
912        {
913            onPortSettingsChanged(data1);
914            break;
915        }
916
917        case OMX_EventBufferFlag:
918        {
919            LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
920
921            if (data1 == kPortIndexOutput) {
922                mNoMoreOutputData = true;
923            }
924            break;
925        }
926
927        default:
928        {
929            LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
930            break;
931        }
932    }
933}
934
935void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
936    switch (cmd) {
937        case OMX_CommandStateSet:
938        {
939            onStateChange((OMX_STATETYPE)data);
940            break;
941        }
942
943        case OMX_CommandPortDisable:
944        {
945            OMX_U32 portIndex = data;
946            LOGV("PORT_DISABLED(%ld)", portIndex);
947
948            CHECK(mState == EXECUTING || mState == RECONFIGURING);
949            CHECK_EQ(mPortStatus[portIndex], DISABLING);
950            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
951
952            mPortStatus[portIndex] = DISABLED;
953
954            if (mState == RECONFIGURING) {
955                CHECK_EQ(portIndex, kPortIndexOutput);
956
957                enablePortAsync(portIndex);
958
959                status_t err = allocateBuffersOnPort(portIndex);
960                CHECK_EQ(err, OK);
961            }
962            break;
963        }
964
965        case OMX_CommandPortEnable:
966        {
967            OMX_U32 portIndex = data;
968            LOGV("PORT_ENABLED(%ld)", portIndex);
969
970            CHECK(mState == EXECUTING || mState == RECONFIGURING);
971            CHECK_EQ(mPortStatus[portIndex], ENABLING);
972
973            mPortStatus[portIndex] = ENABLED;
974
975            if (mState == RECONFIGURING) {
976                CHECK_EQ(portIndex, kPortIndexOutput);
977
978                setState(EXECUTING);
979
980                fillOutputBuffers();
981            }
982            break;
983        }
984
985        case OMX_CommandFlush:
986        {
987            OMX_U32 portIndex = data;
988
989            LOGV("FLUSH_DONE(%ld)", portIndex);
990
991            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
992            mPortStatus[portIndex] = ENABLED;
993
994            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
995                     mPortBuffers[portIndex].size());
996
997            if (mState == RECONFIGURING) {
998                CHECK_EQ(portIndex, kPortIndexOutput);
999
1000                disablePortAsync(portIndex);
1001            } else {
1002                // We're flushing both ports in preparation for seeking.
1003
1004                if (mPortStatus[kPortIndexInput] == ENABLED
1005                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1006                    LOGV("Finished flushing both ports, now continuing from"
1007                         " seek-time.");
1008
1009                    drainInputBuffers();
1010                    fillOutputBuffers();
1011                }
1012            }
1013
1014            break;
1015        }
1016
1017        default:
1018        {
1019            LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1020            break;
1021        }
1022    }
1023}
1024
1025void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1026    switch (newState) {
1027        case OMX_StateIdle:
1028        {
1029            LOGV("Now Idle.");
1030            if (mState == LOADED_TO_IDLE) {
1031                status_t err = mOMX->send_command(
1032                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1033
1034                CHECK_EQ(err, OK);
1035
1036                setState(IDLE_TO_EXECUTING);
1037            } else {
1038                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1039
1040                CHECK_EQ(
1041                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1042                    mPortBuffers[kPortIndexInput].size());
1043
1044                CHECK_EQ(
1045                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1046                    mPortBuffers[kPortIndexOutput].size());
1047
1048                status_t err = mOMX->send_command(
1049                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1050
1051                CHECK_EQ(err, OK);
1052
1053                err = freeBuffersOnPort(kPortIndexInput);
1054                CHECK_EQ(err, OK);
1055
1056                err = freeBuffersOnPort(kPortIndexOutput);
1057                CHECK_EQ(err, OK);
1058
1059                mPortStatus[kPortIndexInput] = ENABLED;
1060                mPortStatus[kPortIndexOutput] = ENABLED;
1061
1062                setState(IDLE_TO_LOADED);
1063            }
1064            break;
1065        }
1066
1067        case OMX_StateExecuting:
1068        {
1069            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1070
1071            LOGV("Now Executing.");
1072
1073            setState(EXECUTING);
1074
1075            drainInputBuffers();
1076            fillOutputBuffers();
1077            break;
1078        }
1079
1080        case OMX_StateLoaded:
1081        {
1082            CHECK_EQ(mState, IDLE_TO_LOADED);
1083
1084            LOGV("Now Loaded.");
1085
1086            setState(LOADED);
1087            break;
1088        }
1089
1090        default:
1091        {
1092            CHECK(!"should not be here.");
1093            break;
1094        }
1095    }
1096}
1097
1098// static
1099size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1100    size_t n = 0;
1101    for (size_t i = 0; i < buffers.size(); ++i) {
1102        if (!buffers[i].mOwnedByComponent) {
1103            ++n;
1104        }
1105    }
1106
1107    return n;
1108}
1109
1110status_t OMXCodec::freeBuffersOnPort(
1111        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1112    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1113
1114    status_t stickyErr = OK;
1115
1116    for (size_t i = buffers->size(); i-- > 0;) {
1117        BufferInfo *info = &buffers->editItemAt(i);
1118
1119        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1120            continue;
1121        }
1122
1123        CHECK_EQ(info->mOwnedByComponent, false);
1124
1125        status_t err =
1126            mOMX->free_buffer(mNode, portIndex, info->mBuffer);
1127
1128        if (err != OK) {
1129            stickyErr = err;
1130        }
1131
1132        if (info->mMediaBuffer != NULL) {
1133            info->mMediaBuffer->setObserver(NULL);
1134
1135            // Make sure nobody but us owns this buffer at this point.
1136            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1137
1138            info->mMediaBuffer->release();
1139        }
1140
1141        buffers->removeAt(i);
1142    }
1143
1144    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1145
1146    return stickyErr;
1147}
1148
1149void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1150    LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1151
1152    CHECK_EQ(mState, EXECUTING);
1153    CHECK_EQ(portIndex, kPortIndexOutput);
1154    setState(RECONFIGURING);
1155
1156    if (mQuirks & kNeedsFlushBeforeDisable) {
1157        flushPortAsync(portIndex);
1158    } else {
1159        disablePortAsync(portIndex);
1160    }
1161}
1162
1163void OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1164    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1165
1166    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1167    mPortStatus[portIndex] = SHUTTING_DOWN;
1168
1169    status_t err =
1170        mOMX->send_command(mNode, OMX_CommandFlush, portIndex);
1171    CHECK_EQ(err, OK);
1172}
1173
1174void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1175    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1176
1177    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1178    mPortStatus[portIndex] = DISABLING;
1179
1180    status_t err =
1181        mOMX->send_command(mNode, OMX_CommandPortDisable, portIndex);
1182    CHECK_EQ(err, OK);
1183
1184    freeBuffersOnPort(portIndex, true);
1185}
1186
1187void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1188    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1189
1190    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1191    mPortStatus[portIndex] = ENABLING;
1192
1193    status_t err =
1194        mOMX->send_command(mNode, OMX_CommandPortEnable, portIndex);
1195    CHECK_EQ(err, OK);
1196}
1197
1198void OMXCodec::fillOutputBuffers() {
1199    CHECK_EQ(mState, EXECUTING);
1200
1201    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1202    for (size_t i = 0; i < buffers->size(); ++i) {
1203        fillOutputBuffer(&buffers->editItemAt(i));
1204    }
1205}
1206
1207void OMXCodec::drainInputBuffers() {
1208    CHECK_EQ(mState, EXECUTING);
1209
1210    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1211    for (size_t i = 0; i < buffers->size(); ++i) {
1212        drainInputBuffer(&buffers->editItemAt(i));
1213    }
1214}
1215
1216void OMXCodec::drainInputBuffer(BufferInfo *info) {
1217    CHECK_EQ(info->mOwnedByComponent, false);
1218
1219    if (mSignalledEOS) {
1220        return;
1221    }
1222
1223    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1224        const CodecSpecificData *specific =
1225            mCodecSpecificData[mCodecSpecificDataIndex];
1226
1227        size_t size = specific->mSize;
1228
1229        if (!strcasecmp("video/avc", mMIME)
1230                && !(mQuirks & kWantsNALFragments)) {
1231            static const uint8_t kNALStartCode[4] =
1232                    { 0x00, 0x00, 0x00, 0x01 };
1233
1234            CHECK(info->mMem->size() >= specific->mSize + 4);
1235
1236            size += 4;
1237
1238            memcpy(info->mMem->pointer(), kNALStartCode, 4);
1239            memcpy((uint8_t *)info->mMem->pointer() + 4,
1240                   specific->mData, specific->mSize);
1241        } else {
1242            CHECK(info->mMem->size() >= specific->mSize);
1243            memcpy(info->mMem->pointer(), specific->mData, specific->mSize);
1244        }
1245
1246        mOMX->empty_buffer(
1247                mNode, info->mBuffer, 0, size,
1248                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1249                0);
1250
1251        info->mOwnedByComponent = true;
1252
1253        ++mCodecSpecificDataIndex;
1254        return;
1255    }
1256
1257    MediaBuffer *srcBuffer;
1258    status_t err;
1259    if (mSeekTimeUs >= 0) {
1260        MediaSource::ReadOptions options;
1261        options.setSeekTo(mSeekTimeUs);
1262        mSeekTimeUs = -1;
1263
1264        err = mSource->read(&srcBuffer, &options);
1265    } else {
1266        err = mSource->read(&srcBuffer);
1267    }
1268
1269    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
1270    OMX_TICKS timestamp = 0;
1271    size_t srcLength = 0;
1272
1273    if (err != OK) {
1274        LOGV("signalling end of input stream.");
1275        flags |= OMX_BUFFERFLAG_EOS;
1276
1277        mSignalledEOS = true;
1278    } else {
1279        srcLength = srcBuffer->range_length();
1280
1281        if (info->mMem->size() < srcLength) {
1282            LOGE("info->mMem->size() = %d, srcLength = %d",
1283                 info->mMem->size(), srcLength);
1284        }
1285        CHECK(info->mMem->size() >= srcLength);
1286        memcpy(info->mMem->pointer(),
1287               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
1288               srcLength);
1289
1290        int32_t units, scale;
1291        if (srcBuffer->meta_data()->findInt32(kKeyTimeUnits, &units)
1292            && srcBuffer->meta_data()->findInt32(kKeyTimeScale, &scale)) {
1293            timestamp = ((OMX_TICKS)units * 1000000) / scale;
1294
1295            LOGV("Calling empty_buffer on buffer %p (length %d)",
1296                 info->mBuffer, srcLength);
1297            LOGV("Calling empty_buffer with timestamp %lld us (%.2f secs)",
1298                 timestamp, timestamp / 1E6);
1299        }
1300    }
1301
1302    mOMX->empty_buffer(
1303            mNode, info->mBuffer, 0, srcLength,
1304            flags, timestamp);
1305
1306    info->mOwnedByComponent = true;
1307
1308    if (srcBuffer != NULL) {
1309        srcBuffer->release();
1310        srcBuffer = NULL;
1311    }
1312}
1313
1314void OMXCodec::fillOutputBuffer(BufferInfo *info) {
1315    CHECK_EQ(info->mOwnedByComponent, false);
1316
1317    LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
1318    mOMX->fill_buffer(mNode, info->mBuffer);
1319
1320    info->mOwnedByComponent = true;
1321}
1322
1323void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
1324    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1325    for (size_t i = 0; i < buffers->size(); ++i) {
1326        if ((*buffers)[i].mBuffer == buffer) {
1327            drainInputBuffer(&buffers->editItemAt(i));
1328            return;
1329        }
1330    }
1331
1332    CHECK(!"should not be here.");
1333}
1334
1335void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
1336    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1337    for (size_t i = 0; i < buffers->size(); ++i) {
1338        if ((*buffers)[i].mBuffer == buffer) {
1339            fillOutputBuffer(&buffers->editItemAt(i));
1340            return;
1341        }
1342    }
1343
1344    CHECK(!"should not be here.");
1345}
1346
1347void OMXCodec::setState(State newState) {
1348    mState = newState;
1349    mAsyncCompletion.signal();
1350
1351    // This may cause some spurious wakeups but is necessary to
1352    // unblock the reader if we enter ERROR state.
1353    mBufferFilled.signal();
1354}
1355
1356void OMXCodec::setAMRFormat() {
1357    if (!mIsEncoder) {
1358        OMX_AUDIO_PARAM_AMRTYPE def;
1359        def.nSize = sizeof(def);
1360        def.nVersion.s.nVersionMajor = 1;
1361        def.nVersion.s.nVersionMinor = 1;
1362        def.nPortIndex = kPortIndexInput;
1363
1364        status_t err =
1365            mOMX->get_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1366
1367        CHECK_EQ(err, OK);
1368
1369        def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1370        def.eAMRBandMode = OMX_AUDIO_AMRBandModeNB0;
1371
1372        err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1373        CHECK_EQ(err, OK);
1374    }
1375
1376    ////////////////////////
1377
1378    if (mIsEncoder) {
1379        sp<MetaData> format = mSource->getFormat();
1380        int32_t sampleRate;
1381        int32_t numChannels;
1382        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
1383        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
1384
1385        OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1386        pcmParams.nSize = sizeof(pcmParams);
1387        pcmParams.nVersion.s.nVersionMajor = 1;
1388        pcmParams.nVersion.s.nVersionMinor = 1;
1389        pcmParams.nPortIndex = kPortIndexInput;
1390
1391        status_t err = mOMX->get_parameter(
1392                mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1393
1394        CHECK_EQ(err, OK);
1395
1396        pcmParams.nChannels = numChannels;
1397        pcmParams.eNumData = OMX_NumericalDataSigned;
1398        pcmParams.bInterleaved = OMX_TRUE;
1399        pcmParams.nBitPerSample = 16;
1400        pcmParams.nSamplingRate = sampleRate;
1401        pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1402
1403        if (numChannels == 1) {
1404            pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
1405        } else {
1406            CHECK_EQ(numChannels, 2);
1407
1408            pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
1409            pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
1410        }
1411
1412        err = mOMX->set_parameter(
1413                mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1414
1415        CHECK_EQ(err, OK);
1416    }
1417}
1418
1419void OMXCodec::setAACFormat() {
1420    OMX_AUDIO_PARAM_AACPROFILETYPE def;
1421    def.nSize = sizeof(def);
1422    def.nVersion.s.nVersionMajor = 1;
1423    def.nVersion.s.nVersionMinor = 1;
1424    def.nPortIndex = kPortIndexInput;
1425
1426    status_t err =
1427        mOMX->get_parameter(mNode, OMX_IndexParamAudioAac, &def, sizeof(def));
1428    CHECK_EQ(err, OK);
1429
1430    def.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
1431
1432    err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAac, &def, sizeof(def));
1433    CHECK_EQ(err, OK);
1434}
1435
1436void OMXCodec::setImageOutputFormat(
1437        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
1438    LOGV("setImageOutputFormat(%ld, %ld)", width, height);
1439
1440#if 0
1441    OMX_INDEXTYPE index;
1442    status_t err = mOMX->get_extension_index(
1443            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
1444    CHECK_EQ(err, OK);
1445
1446    err = mOMX->set_config(mNode, index, &format, sizeof(format));
1447    CHECK_EQ(err, OK);
1448#endif
1449
1450    OMX_PARAM_PORTDEFINITIONTYPE def;
1451    def.nSize = sizeof(def);
1452    def.nVersion.s.nVersionMajor = 1;
1453    def.nVersion.s.nVersionMinor = 1;
1454    def.nPortIndex = kPortIndexOutput;
1455
1456    status_t err = mOMX->get_parameter(
1457            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1458    CHECK_EQ(err, OK);
1459
1460    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1461
1462    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1463
1464    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
1465    imageDef->eColorFormat = format;
1466    imageDef->nFrameWidth = width;
1467    imageDef->nFrameHeight = height;
1468
1469    switch (format) {
1470        case OMX_COLOR_FormatYUV420PackedPlanar:
1471        case OMX_COLOR_FormatYUV411Planar:
1472        {
1473            def.nBufferSize = (width * height * 3) / 2;
1474            break;
1475        }
1476
1477        case OMX_COLOR_FormatCbYCrY:
1478        {
1479            def.nBufferSize = width * height * 2;
1480            break;
1481        }
1482
1483        case OMX_COLOR_Format32bitARGB8888:
1484        {
1485            def.nBufferSize = width * height * 4;
1486            break;
1487        }
1488
1489        default:
1490            CHECK(!"Should not be here. Unknown color format.");
1491            break;
1492    }
1493
1494    err = mOMX->set_parameter(
1495            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1496    CHECK_EQ(err, OK);
1497
1498    ////
1499
1500    def.nPortIndex = kPortIndexInput;
1501
1502    err = mOMX->get_parameter(
1503            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1504    CHECK_EQ(err, OK);
1505
1506    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
1507    imageDef->nFrameWidth = width;
1508    imageDef->nFrameHeight = height;
1509
1510    def.nBufferSize = 128 * 1024;
1511    def.nBufferCountActual = def.nBufferCountMin;
1512
1513    err = mOMX->set_parameter(
1514            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1515    CHECK_EQ(err, OK);
1516}
1517
1518void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
1519    CodecSpecificData *specific =
1520        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
1521
1522    specific->mSize = size;
1523    memcpy(specific->mData, data, size);
1524
1525    mCodecSpecificData.push(specific);
1526}
1527
1528void OMXCodec::clearCodecSpecificData() {
1529    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
1530        free(mCodecSpecificData.editItemAt(i));
1531    }
1532    mCodecSpecificData.clear();
1533    mCodecSpecificDataIndex = 0;
1534}
1535
1536status_t OMXCodec::start(MetaData *) {
1537    if (mState != LOADED) {
1538        return UNKNOWN_ERROR;
1539    }
1540
1541    sp<MetaData> params = new MetaData;
1542    if (mQuirks & kWantsNALFragments) {
1543        params->setInt32(kKeyWantsNALFragments, true);
1544    }
1545    status_t err = mSource->start(params.get());
1546
1547    if (err != OK) {
1548        return err;
1549    }
1550
1551    mCodecSpecificDataIndex = 0;
1552    mSignalledEOS = false;
1553    mNoMoreOutputData = false;
1554    mSeekTimeUs = -1;
1555    mFilledBuffers.clear();
1556
1557    return init();
1558}
1559
1560status_t OMXCodec::stop() {
1561    LOGI("stop");
1562
1563    Mutex::Autolock autoLock(mLock);
1564
1565    while (isIntermediateState(mState)) {
1566        mAsyncCompletion.wait(mLock);
1567    }
1568
1569    switch (mState) {
1570        case LOADED:
1571        case ERROR:
1572            break;
1573
1574        case EXECUTING:
1575        {
1576            setState(EXECUTING_TO_IDLE);
1577
1578            mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1579            mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1580
1581            status_t err =
1582                mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
1583            CHECK_EQ(err, OK);
1584
1585            while (mState != LOADED && mState != ERROR) {
1586                mAsyncCompletion.wait(mLock);
1587            }
1588
1589            break;
1590        }
1591
1592        default:
1593        {
1594            CHECK(!"should not be here.");
1595            break;
1596        }
1597    }
1598
1599    mSource->stop();
1600
1601    return OK;
1602}
1603
1604sp<MetaData> OMXCodec::getFormat() {
1605    return mOutputFormat;
1606}
1607
1608status_t OMXCodec::read(
1609        MediaBuffer **buffer, const ReadOptions *options) {
1610    *buffer = NULL;
1611
1612    Mutex::Autolock autoLock(mLock);
1613
1614    if (mState != EXECUTING && mState != RECONFIGURING) {
1615        return UNKNOWN_ERROR;
1616    }
1617
1618    int64_t seekTimeUs;
1619    if (options && options->getSeekTo(&seekTimeUs)) {
1620        LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
1621
1622        mSignalledEOS = false;
1623        mNoMoreOutputData = false;
1624
1625        CHECK(seekTimeUs >= 0);
1626        mSeekTimeUs = seekTimeUs;
1627
1628        mFilledBuffers.clear();
1629
1630        CHECK_EQ(mState, EXECUTING);
1631
1632        flushPortAsync(kPortIndexInput);
1633        flushPortAsync(kPortIndexOutput);
1634    }
1635
1636    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
1637        mBufferFilled.wait(mLock);
1638    }
1639
1640    if (mState == ERROR) {
1641        return UNKNOWN_ERROR;
1642    }
1643
1644    if (mFilledBuffers.empty()) {
1645        return ERROR_END_OF_STREAM;
1646    }
1647
1648    size_t index = *mFilledBuffers.begin();
1649    mFilledBuffers.erase(mFilledBuffers.begin());
1650
1651    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
1652    info->mMediaBuffer->add_ref();
1653    *buffer = info->mMediaBuffer;
1654
1655    return OK;
1656}
1657
1658void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
1659    Mutex::Autolock autoLock(mLock);
1660
1661    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1662    for (size_t i = 0; i < buffers->size(); ++i) {
1663        BufferInfo *info = &buffers->editItemAt(i);
1664
1665        if (info->mMediaBuffer == buffer) {
1666            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1667            fillOutputBuffer(info);
1668            return;
1669        }
1670    }
1671
1672    CHECK(!"should not be here.");
1673}
1674
1675static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
1676    static const char *kNames[] = {
1677        "OMX_IMAGE_CodingUnused",
1678        "OMX_IMAGE_CodingAutoDetect",
1679        "OMX_IMAGE_CodingJPEG",
1680        "OMX_IMAGE_CodingJPEG2K",
1681        "OMX_IMAGE_CodingEXIF",
1682        "OMX_IMAGE_CodingTIFF",
1683        "OMX_IMAGE_CodingGIF",
1684        "OMX_IMAGE_CodingPNG",
1685        "OMX_IMAGE_CodingLZW",
1686        "OMX_IMAGE_CodingBMP",
1687    };
1688
1689    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1690
1691    if (type < 0 || (size_t)type >= numNames) {
1692        return "UNKNOWN";
1693    } else {
1694        return kNames[type];
1695    }
1696}
1697
1698static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
1699    static const char *kNames[] = {
1700        "OMX_COLOR_FormatUnused",
1701        "OMX_COLOR_FormatMonochrome",
1702        "OMX_COLOR_Format8bitRGB332",
1703        "OMX_COLOR_Format12bitRGB444",
1704        "OMX_COLOR_Format16bitARGB4444",
1705        "OMX_COLOR_Format16bitARGB1555",
1706        "OMX_COLOR_Format16bitRGB565",
1707        "OMX_COLOR_Format16bitBGR565",
1708        "OMX_COLOR_Format18bitRGB666",
1709        "OMX_COLOR_Format18bitARGB1665",
1710        "OMX_COLOR_Format19bitARGB1666",
1711        "OMX_COLOR_Format24bitRGB888",
1712        "OMX_COLOR_Format24bitBGR888",
1713        "OMX_COLOR_Format24bitARGB1887",
1714        "OMX_COLOR_Format25bitARGB1888",
1715        "OMX_COLOR_Format32bitBGRA8888",
1716        "OMX_COLOR_Format32bitARGB8888",
1717        "OMX_COLOR_FormatYUV411Planar",
1718        "OMX_COLOR_FormatYUV411PackedPlanar",
1719        "OMX_COLOR_FormatYUV420Planar",
1720        "OMX_COLOR_FormatYUV420PackedPlanar",
1721        "OMX_COLOR_FormatYUV420SemiPlanar",
1722        "OMX_COLOR_FormatYUV422Planar",
1723        "OMX_COLOR_FormatYUV422PackedPlanar",
1724        "OMX_COLOR_FormatYUV422SemiPlanar",
1725        "OMX_COLOR_FormatYCbYCr",
1726        "OMX_COLOR_FormatYCrYCb",
1727        "OMX_COLOR_FormatCbYCrY",
1728        "OMX_COLOR_FormatCrYCbY",
1729        "OMX_COLOR_FormatYUV444Interleaved",
1730        "OMX_COLOR_FormatRawBayer8bit",
1731        "OMX_COLOR_FormatRawBayer10bit",
1732        "OMX_COLOR_FormatRawBayer8bitcompressed",
1733        "OMX_COLOR_FormatL2",
1734        "OMX_COLOR_FormatL4",
1735        "OMX_COLOR_FormatL8",
1736        "OMX_COLOR_FormatL16",
1737        "OMX_COLOR_FormatL24",
1738        "OMX_COLOR_FormatL32",
1739        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
1740        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
1741        "OMX_COLOR_Format18BitBGR666",
1742        "OMX_COLOR_Format24BitARGB6666",
1743        "OMX_COLOR_Format24BitABGR6666",
1744    };
1745
1746    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1747
1748    static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
1749
1750    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
1751        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
1752    } else if (type < 0 || (size_t)type >= numNames) {
1753        return "UNKNOWN";
1754    } else {
1755        return kNames[type];
1756    }
1757}
1758
1759static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
1760    static const char *kNames[] = {
1761        "OMX_VIDEO_CodingUnused",
1762        "OMX_VIDEO_CodingAutoDetect",
1763        "OMX_VIDEO_CodingMPEG2",
1764        "OMX_VIDEO_CodingH263",
1765        "OMX_VIDEO_CodingMPEG4",
1766        "OMX_VIDEO_CodingWMV",
1767        "OMX_VIDEO_CodingRV",
1768        "OMX_VIDEO_CodingAVC",
1769        "OMX_VIDEO_CodingMJPEG",
1770    };
1771
1772    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1773
1774    if (type < 0 || (size_t)type >= numNames) {
1775        return "UNKNOWN";
1776    } else {
1777        return kNames[type];
1778    }
1779}
1780
1781static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
1782    static const char *kNames[] = {
1783        "OMX_AUDIO_CodingUnused",
1784        "OMX_AUDIO_CodingAutoDetect",
1785        "OMX_AUDIO_CodingPCM",
1786        "OMX_AUDIO_CodingADPCM",
1787        "OMX_AUDIO_CodingAMR",
1788        "OMX_AUDIO_CodingGSMFR",
1789        "OMX_AUDIO_CodingGSMEFR",
1790        "OMX_AUDIO_CodingGSMHR",
1791        "OMX_AUDIO_CodingPDCFR",
1792        "OMX_AUDIO_CodingPDCEFR",
1793        "OMX_AUDIO_CodingPDCHR",
1794        "OMX_AUDIO_CodingTDMAFR",
1795        "OMX_AUDIO_CodingTDMAEFR",
1796        "OMX_AUDIO_CodingQCELP8",
1797        "OMX_AUDIO_CodingQCELP13",
1798        "OMX_AUDIO_CodingEVRC",
1799        "OMX_AUDIO_CodingSMV",
1800        "OMX_AUDIO_CodingG711",
1801        "OMX_AUDIO_CodingG723",
1802        "OMX_AUDIO_CodingG726",
1803        "OMX_AUDIO_CodingG729",
1804        "OMX_AUDIO_CodingAAC",
1805        "OMX_AUDIO_CodingMP3",
1806        "OMX_AUDIO_CodingSBC",
1807        "OMX_AUDIO_CodingVORBIS",
1808        "OMX_AUDIO_CodingWMA",
1809        "OMX_AUDIO_CodingRA",
1810        "OMX_AUDIO_CodingMIDI",
1811    };
1812
1813    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1814
1815    if (type < 0 || (size_t)type >= numNames) {
1816        return "UNKNOWN";
1817    } else {
1818        return kNames[type];
1819    }
1820}
1821
1822static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
1823    static const char *kNames[] = {
1824        "OMX_AUDIO_PCMModeLinear",
1825        "OMX_AUDIO_PCMModeALaw",
1826        "OMX_AUDIO_PCMModeMULaw",
1827    };
1828
1829    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1830
1831    if (type < 0 || (size_t)type >= numNames) {
1832        return "UNKNOWN";
1833    } else {
1834        return kNames[type];
1835    }
1836}
1837
1838
1839void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
1840    OMX_PARAM_PORTDEFINITIONTYPE def;
1841    def.nSize = sizeof(def);
1842    def.nVersion.s.nVersionMajor = 1;
1843    def.nVersion.s.nVersionMinor = 1;
1844    def.nPortIndex = portIndex;
1845
1846    status_t err = mOMX->get_parameter(
1847            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1848    CHECK_EQ(err, OK);
1849
1850    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
1851
1852    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
1853          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
1854
1855    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
1856    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
1857    printf("  nBufferSize = %ld\n", def.nBufferSize);
1858
1859    switch (def.eDomain) {
1860        case OMX_PortDomainImage:
1861        {
1862            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1863
1864            printf("\n");
1865            printf("  // Image\n");
1866            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
1867            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
1868            printf("  nStride = %ld\n", imageDef->nStride);
1869
1870            printf("  eCompressionFormat = %s\n",
1871                   imageCompressionFormatString(imageDef->eCompressionFormat));
1872
1873            printf("  eColorFormat = %s\n",
1874                   colorFormatString(imageDef->eColorFormat));
1875
1876            break;
1877        }
1878
1879        case OMX_PortDomainVideo:
1880        {
1881            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
1882
1883            printf("\n");
1884            printf("  // Video\n");
1885            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
1886            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
1887            printf("  nStride = %ld\n", videoDef->nStride);
1888
1889            printf("  eCompressionFormat = %s\n",
1890                   videoCompressionFormatString(videoDef->eCompressionFormat));
1891
1892            printf("  eColorFormat = %s\n",
1893                   colorFormatString(videoDef->eColorFormat));
1894
1895            break;
1896        }
1897
1898        case OMX_PortDomainAudio:
1899        {
1900            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
1901
1902            printf("\n");
1903            printf("  // Audio\n");
1904            printf("  eEncoding = %s\n",
1905                   audioCodingTypeString(audioDef->eEncoding));
1906
1907            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
1908                OMX_AUDIO_PARAM_PCMMODETYPE params;
1909                params.nSize = sizeof(params);
1910                params.nVersion.s.nVersionMajor = 1;
1911                params.nVersion.s.nVersionMinor = 1;
1912                params.nPortIndex = portIndex;
1913
1914                err = mOMX->get_parameter(
1915                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
1916                CHECK_EQ(err, OK);
1917
1918                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
1919                printf("  nChannels = %ld\n", params.nChannels);
1920                printf("  bInterleaved = %d\n", params.bInterleaved);
1921                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
1922
1923                printf("  eNumData = %s\n",
1924                       params.eNumData == OMX_NumericalDataSigned
1925                        ? "signed" : "unsigned");
1926
1927                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
1928            }
1929
1930            break;
1931        }
1932
1933        default:
1934        {
1935            printf("  // Unknown\n");
1936            break;
1937        }
1938    }
1939
1940    printf("}\n");
1941}
1942
1943void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
1944    mOutputFormat = new MetaData;
1945    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
1946
1947    OMX_PARAM_PORTDEFINITIONTYPE def;
1948    def.nSize = sizeof(def);
1949    def.nVersion.s.nVersionMajor = 1;
1950    def.nVersion.s.nVersionMinor = 1;
1951    def.nPortIndex = kPortIndexOutput;
1952
1953    status_t err = mOMX->get_parameter(
1954            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1955    CHECK_EQ(err, OK);
1956
1957    switch (def.eDomain) {
1958        case OMX_PortDomainImage:
1959        {
1960            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1961            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
1962
1963            mOutputFormat->setCString(kKeyMIMEType, "image/raw");
1964            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
1965            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
1966            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
1967            break;
1968        }
1969
1970        case OMX_PortDomainAudio:
1971        {
1972            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
1973
1974            CHECK_EQ(audio_def->eEncoding, OMX_AUDIO_CodingPCM);
1975
1976            OMX_AUDIO_PARAM_PCMMODETYPE params;
1977            params.nSize = sizeof(params);
1978            params.nVersion.s.nVersionMajor = 1;
1979            params.nVersion.s.nVersionMinor = 1;
1980            params.nPortIndex = kPortIndexOutput;
1981
1982            err = mOMX->get_parameter(
1983                    mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
1984            CHECK_EQ(err, OK);
1985
1986            CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
1987            CHECK_EQ(params.nBitPerSample, 16);
1988            CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
1989
1990            int32_t numChannels, sampleRate;
1991            inputFormat->findInt32(kKeyChannelCount, &numChannels);
1992            inputFormat->findInt32(kKeySampleRate, &sampleRate);
1993
1994            mOutputFormat->setCString(kKeyMIMEType, "audio/raw");
1995            mOutputFormat->setInt32(kKeyChannelCount, numChannels);
1996            mOutputFormat->setInt32(kKeySampleRate, sampleRate);
1997            break;
1998        }
1999
2000        case OMX_PortDomainVideo:
2001        {
2002            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2003
2004            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
2005                mOutputFormat->setCString(kKeyMIMEType, "video/raw");
2006            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
2007                mOutputFormat->setCString(kKeyMIMEType, "video/mp4v-es");
2008            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
2009                mOutputFormat->setCString(kKeyMIMEType, "video/3gpp");
2010            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
2011                mOutputFormat->setCString(kKeyMIMEType, "video/avc");
2012            } else {
2013                CHECK(!"Unknown compression format.");
2014            }
2015
2016            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
2017                // This component appears to be lying to me.
2018                mOutputFormat->setInt32(
2019                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
2020                mOutputFormat->setInt32(
2021                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
2022            } else {
2023                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
2024                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
2025            }
2026
2027            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
2028            break;
2029        }
2030
2031        default:
2032        {
2033            CHECK(!"should not be here, neither audio nor video.");
2034            break;
2035        }
2036    }
2037}
2038
2039}  // namespace android
2040