OMXCodec.cpp revision 8cd11d23197209e2c2bdb7980bc17e3f1257a118 
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/amr-wb", "OMX.TI.WBAMR.decode" },
53    { "audio/amr-wb", "OMX.PV.amrdec" },
54    { "audio/mp4a-latm", "OMX.TI.AAC.decode" },
55    { "audio/mp4a-latm", "OMX.PV.aacdec" },
56    { "video/mp4v-es", "OMX.qcom.video.decoder.mpeg4" },
57    { "video/mp4v-es", "OMX.TI.Video.Decoder" },
58    { "video/mp4v-es", "OMX.PV.mpeg4dec" },
59    { "video/3gpp", "OMX.qcom.video.decoder.h263" },
60    { "video/3gpp", "OMX.TI.Video.Decoder" },
61    { "video/3gpp", "OMX.PV.h263dec" },
62    { "video/avc", "OMX.qcom.video.decoder.avc" },
63    { "video/avc", "OMX.TI.Video.Decoder" },
64    { "video/avc", "OMX.PV.avcdec" },
65};
66
67static const CodecInfo kEncoderInfo[] = {
68    { "audio/3gpp", "OMX.TI.AMR.encode" },
69    { "audio/3gpp", "OMX.PV.amrencnb" },
70    { "audio/amr-wb", "OMX.TI.WBAMR.encode" },
71    { "audio/mp4a-latm", "OMX.TI.AAC.encode" },
72    { "audio/mp4a-latm", "OMX.PV.aacenc" },
73    { "video/mp4v-es", "OMX.qcom.video.encoder.mpeg4" },
74    { "video/mp4v-es", "OMX.TI.Video.encoder" },
75    { "video/mp4v-es", "OMX.PV.mpeg4enc" },
76    { "video/3gpp", "OMX.qcom.video.encoder.h263" },
77    { "video/3gpp", "OMX.TI.Video.encoder" },
78    { "video/3gpp", "OMX.PV.h263enc" },
79    { "video/avc", "OMX.TI.Video.encoder" },
80    { "video/avc", "OMX.PV.avcenc" },
81};
82
83#define CODEC_LOGI(x, ...) LOGI("[%s] "x, mComponentName, ##__VA_ARGS__)
84#define CODEC_LOGV(x, ...) LOGV("[%s] "x, mComponentName, ##__VA_ARGS__)
85
86struct OMXCodecObserver : public BnOMXObserver {
87    OMXCodecObserver(const wp<OMXCodec> &target)
88        : mTarget(target) {
89    }
90
91    // from IOMXObserver
92    virtual void on_message(const omx_message &msg) {
93        sp<OMXCodec> codec = mTarget.promote();
94
95        if (codec.get() != NULL) {
96            codec->on_message(msg);
97        }
98    }
99
100protected:
101    virtual ~OMXCodecObserver() {}
102
103private:
104    wp<OMXCodec> mTarget;
105
106    OMXCodecObserver(const OMXCodecObserver &);
107    OMXCodecObserver &operator=(const OMXCodecObserver &);
108};
109
110static const char *GetCodec(const CodecInfo *info, size_t numInfos,
111                            const char *mime, int index) {
112    CHECK(index >= 0);
113    for(size_t i = 0; i < numInfos; ++i) {
114        if (!strcasecmp(mime, info[i].mime)) {
115            if (index == 0) {
116                return info[i].codec;
117            }
118
119            --index;
120        }
121    }
122
123    return NULL;
124}
125
126enum {
127    kAVCProfileBaseline      = 0x42,
128    kAVCProfileMain          = 0x4d,
129    kAVCProfileExtended      = 0x58,
130    kAVCProfileHigh          = 0x64,
131    kAVCProfileHigh10        = 0x6e,
132    kAVCProfileHigh422       = 0x7a,
133    kAVCProfileHigh444       = 0xf4,
134    kAVCProfileCAVLC444Intra = 0x2c
135};
136
137static const char *AVCProfileToString(uint8_t profile) {
138    switch (profile) {
139        case kAVCProfileBaseline:
140            return "Baseline";
141        case kAVCProfileMain:
142            return "Main";
143        case kAVCProfileExtended:
144            return "Extended";
145        case kAVCProfileHigh:
146            return "High";
147        case kAVCProfileHigh10:
148            return "High 10";
149        case kAVCProfileHigh422:
150            return "High 422";
151        case kAVCProfileHigh444:
152            return "High 444";
153        case kAVCProfileCAVLC444Intra:
154            return "CAVLC 444 Intra";
155        default:   return "Unknown";
156    }
157}
158
159template<class T>
160static void InitOMXParams(T *params) {
161    params->nSize = sizeof(T);
162    params->nVersion.s.nVersionMajor = 1;
163    params->nVersion.s.nVersionMinor = 0;
164    params->nVersion.s.nRevision = 0;
165    params->nVersion.s.nStep = 0;
166}
167
168// static
169sp<OMXCodec> OMXCodec::Create(
170        const sp<IOMX> &omx,
171        const sp<MetaData> &meta, bool createEncoder,
172        const sp<MediaSource> &source) {
173    const char *mime;
174    bool success = meta->findCString(kKeyMIMEType, &mime);
175    CHECK(success);
176
177    const char *componentName = NULL;
178    IOMX::node_id node = 0;
179    for (int index = 0;; ++index) {
180        if (createEncoder) {
181            componentName = GetCodec(
182                    kEncoderInfo, sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
183                    mime, index);
184        } else {
185            componentName = GetCodec(
186                    kDecoderInfo, sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
187                    mime, index);
188        }
189
190        if (!componentName) {
191            return NULL;
192        }
193
194        LOGV("Attempting to allocate OMX node '%s'", componentName);
195
196        status_t err = omx->allocate_node(componentName, &node);
197        if (err == OK) {
198            LOGI("Successfully allocated OMX node '%s'", componentName);
199            break;
200        }
201    }
202
203    uint32_t quirks = 0;
204    if (!strcmp(componentName, "OMX.PV.avcdec")) {
205        quirks |= kWantsNALFragments;
206    }
207    if (!strcmp(componentName, "OMX.TI.MP3.decode")) {
208        quirks |= kNeedsFlushBeforeDisable;
209    }
210    if (!strcmp(componentName, "OMX.TI.AAC.decode")) {
211        quirks |= kNeedsFlushBeforeDisable;
212        quirks |= kRequiresFlushCompleteEmulation;
213
214        // The following is currently necessary for proper shutdown
215        // behaviour, but NOT enabled by default in order to make the
216        // bug reproducible...
217        // quirks |= kRequiresFlushBeforeShutdown;
218    }
219    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
220        quirks |= kRequiresLoadedToIdleAfterAllocation;
221        quirks |= kRequiresAllocateBufferOnInputPorts;
222    }
223    if (!strncmp(componentName, "OMX.qcom.video.decoder.", 23)) {
224        // XXX Required on P....on only.
225        quirks |= kRequiresAllocateBufferOnOutputPorts;
226    }
227
228    sp<OMXCodec> codec = new OMXCodec(
229            omx, node, quirks, createEncoder, mime, componentName,
230            source);
231
232    uint32_t type;
233    const void *data;
234    size_t size;
235    if (meta->findData(kKeyESDS, &type, &data, &size)) {
236        ESDS esds((const char *)data, size);
237        CHECK_EQ(esds.InitCheck(), OK);
238
239        const void *codec_specific_data;
240        size_t codec_specific_data_size;
241        esds.getCodecSpecificInfo(
242                &codec_specific_data, &codec_specific_data_size);
243
244        printf("found codec-specific data of size %d\n",
245               codec_specific_data_size);
246
247        codec->addCodecSpecificData(
248                codec_specific_data, codec_specific_data_size);
249    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
250        printf("found avcc of size %d\n", size);
251
252        // Parse the AVCDecoderConfigurationRecord
253
254        const uint8_t *ptr = (const uint8_t *)data;
255
256        CHECK(size >= 7);
257        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
258        uint8_t profile = ptr[1];
259        uint8_t level = ptr[3];
260
261        CHECK((ptr[4] >> 2) == 0x3f);  // reserved
262
263        size_t lengthSize = 1 + (ptr[4] & 3);
264
265        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
266        // violates it...
267        // CHECK((ptr[5] >> 5) == 7);  // reserved
268
269        size_t numSeqParameterSets = ptr[5] & 31;
270
271        ptr += 6;
272        size -= 6;
273
274        for (size_t i = 0; i < numSeqParameterSets; ++i) {
275            CHECK(size >= 2);
276            size_t length = U16_AT(ptr);
277
278            ptr += 2;
279            size -= 2;
280
281            CHECK(size >= length);
282
283            codec->addCodecSpecificData(ptr, length);
284
285            ptr += length;
286            size -= length;
287        }
288
289        CHECK(size >= 1);
290        size_t numPictureParameterSets = *ptr;
291        ++ptr;
292        --size;
293
294        for (size_t i = 0; i < numPictureParameterSets; ++i) {
295            CHECK(size >= 2);
296            size_t length = U16_AT(ptr);
297
298            ptr += 2;
299            size -= 2;
300
301            CHECK(size >= length);
302
303            codec->addCodecSpecificData(ptr, length);
304
305            ptr += length;
306            size -= length;
307        }
308
309        LOGI("AVC profile = %d (%s), level = %d",
310             (int)profile, AVCProfileToString(profile), (int)level / 10);
311
312        if (!strcmp(componentName, "OMX.TI.Video.Decoder")
313            && (profile != kAVCProfileBaseline || level > 39)) {
314            // This stream exceeds the decoder's capabilities.
315
316            LOGE("Profile and/or level exceed the decoder's capabilities.");
317            return NULL;
318        }
319    }
320
321    if (!strcasecmp("audio/3gpp", mime)) {
322        codec->setAMRFormat();
323    }
324    if (!strcasecmp("audio/amr-wb", mime)) {
325        codec->setAMRWBFormat();
326    }
327    if (!strcasecmp("audio/mp4a-latm", mime)) {
328        int32_t numChannels, sampleRate;
329        CHECK(meta->findInt32(kKeyChannelCount, &numChannels));
330        CHECK(meta->findInt32(kKeySampleRate, &sampleRate));
331
332        codec->setAACFormat(numChannels, sampleRate);
333    }
334    if (!strncasecmp(mime, "video/", 6)) {
335        int32_t width, height;
336        bool success = meta->findInt32(kKeyWidth, &width);
337        success = success && meta->findInt32(kKeyHeight, &height);
338        CHECK(success);
339
340        if (createEncoder) {
341            codec->setVideoInputFormat(mime, width, height);
342        } else {
343            codec->setVideoOutputFormat(mime, width, height);
344        }
345    }
346    if (!strcasecmp(mime, "image/jpeg")
347        && !strcmp(componentName, "OMX.TI.JPEG.decode")) {
348        OMX_COLOR_FORMATTYPE format =
349            OMX_COLOR_Format32bitARGB8888;
350            // OMX_COLOR_FormatYUV420PackedPlanar;
351            // OMX_COLOR_FormatCbYCrY;
352            // OMX_COLOR_FormatYUV411Planar;
353
354        int32_t width, height;
355        bool success = meta->findInt32(kKeyWidth, &width);
356        success = success && meta->findInt32(kKeyHeight, &height);
357
358        int32_t compressedSize;
359        success = success && meta->findInt32(
360                kKeyMaxInputSize, &compressedSize);
361
362        CHECK(success);
363        CHECK(compressedSize > 0);
364
365        codec->setImageOutputFormat(format, width, height);
366        codec->setJPEGInputFormat(width, height, (OMX_U32)compressedSize);
367    }
368
369    int32_t maxInputSize;
370    if (createEncoder && meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
371        codec->setMinBufferSize(kPortIndexInput, (OMX_U32)maxInputSize);
372    }
373
374    if (!strcmp(componentName, "OMX.TI.AMR.encode")
375        || !strcmp(componentName, "OMX.TI.WBAMR.encode")) {
376        codec->setMinBufferSize(kPortIndexOutput, 8192);  // XXX
377    }
378
379    codec->initOutputFormat(meta);
380
381    return codec;
382}
383
384void OMXCodec::setMinBufferSize(OMX_U32 portIndex, OMX_U32 size) {
385    OMX_PARAM_PORTDEFINITIONTYPE def;
386    InitOMXParams(&def);
387    def.nPortIndex = portIndex;
388
389    status_t err = mOMX->get_parameter(
390            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
391    CHECK_EQ(err, OK);
392
393    if (def.nBufferSize < size) {
394        def.nBufferSize = size;
395
396    }
397
398    err = mOMX->set_parameter(
399            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
400    CHECK_EQ(err, OK);
401}
402
403status_t OMXCodec::setVideoPortFormatType(
404        OMX_U32 portIndex,
405        OMX_VIDEO_CODINGTYPE compressionFormat,
406        OMX_COLOR_FORMATTYPE colorFormat) {
407    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
408    InitOMXParams(&format);
409    format.nPortIndex = portIndex;
410    format.nIndex = 0;
411    bool found = false;
412
413    OMX_U32 index = 0;
414    for (;;) {
415        format.nIndex = index;
416        status_t err = mOMX->get_parameter(
417                mNode, OMX_IndexParamVideoPortFormat,
418                &format, sizeof(format));
419
420        if (err != OK) {
421            return err;
422        }
423
424        // The following assertion is violated by TI's video decoder.
425        // CHECK_EQ(format.nIndex, index);
426
427#if 1
428        CODEC_LOGI("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
429             portIndex,
430             index, format.eCompressionFormat, format.eColorFormat);
431#endif
432
433        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
434            if (portIndex == kPortIndexInput
435                    && colorFormat == format.eColorFormat) {
436                // eCompressionFormat does not seem right.
437                found = true;
438                break;
439            }
440            if (portIndex == kPortIndexOutput
441                    && compressionFormat == format.eCompressionFormat) {
442                // eColorFormat does not seem right.
443                found = true;
444                break;
445            }
446        }
447
448        if (format.eCompressionFormat == compressionFormat
449            && format.eColorFormat == colorFormat) {
450            found = true;
451            break;
452        }
453
454        ++index;
455    }
456
457    if (!found) {
458        return UNKNOWN_ERROR;
459    }
460
461    CODEC_LOGI("found a match.");
462    status_t err = mOMX->set_parameter(
463            mNode, OMX_IndexParamVideoPortFormat,
464            &format, sizeof(format));
465
466    return err;
467}
468
469void OMXCodec::setVideoInputFormat(
470        const char *mime, OMX_U32 width, OMX_U32 height) {
471    CODEC_LOGI("setVideoInputFormat width=%ld, height=%ld", width, height);
472
473    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
474    if (!strcasecmp("video/avc", mime)) {
475        compressionFormat = OMX_VIDEO_CodingAVC;
476    } else if (!strcasecmp("video/mp4v-es", mime)) {
477        compressionFormat = OMX_VIDEO_CodingMPEG4;
478    } else if (!strcasecmp("video/3gpp", mime)) {
479        compressionFormat = OMX_VIDEO_CodingH263;
480    } else {
481        LOGE("Not a supported video mime type: %s", mime);
482        CHECK(!"Should not be here. Not a supported video mime type.");
483    }
484
485    OMX_COLOR_FORMATTYPE colorFormat =
486        0 ? OMX_COLOR_FormatYCbYCr : OMX_COLOR_FormatCbYCrY;
487
488    if (!strncmp("OMX.qcom.video.encoder.", mComponentName, 23)) {
489        colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
490    }
491
492    setVideoPortFormatType(
493            kPortIndexInput, OMX_VIDEO_CodingUnused,
494            colorFormat);
495
496    setVideoPortFormatType(
497            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
498
499    OMX_PARAM_PORTDEFINITIONTYPE def;
500    InitOMXParams(&def);
501    def.nPortIndex = kPortIndexOutput;
502
503    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
504
505    status_t err = mOMX->get_parameter(
506            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
507
508    CHECK_EQ(err, OK);
509    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
510
511    video_def->nFrameWidth = width;
512    video_def->nFrameHeight = height;
513
514    video_def->eCompressionFormat = compressionFormat;
515    video_def->eColorFormat = OMX_COLOR_FormatUnused;
516
517    err = mOMX->set_parameter(
518            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
519    CHECK_EQ(err, OK);
520
521    ////////////////////////////////////////////////////////////////////////////
522
523    InitOMXParams(&def);
524    def.nPortIndex = kPortIndexInput;
525
526    err = mOMX->get_parameter(
527            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
528    CHECK_EQ(err, OK);
529
530    def.nBufferSize = (width * height * 2); // (width * height * 3) / 2;
531    CODEC_LOGI("Setting nBufferSize = %ld", def.nBufferSize);
532
533    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
534
535    video_def->nFrameWidth = width;
536    video_def->nFrameHeight = height;
537    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
538    video_def->eColorFormat = colorFormat;
539
540    err = mOMX->set_parameter(
541            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
542    CHECK_EQ(err, OK);
543}
544
545void OMXCodec::setVideoOutputFormat(
546        const char *mime, OMX_U32 width, OMX_U32 height) {
547    CODEC_LOGI("setVideoOutputFormat width=%ld, height=%ld", width, height);
548
549    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
550    if (!strcasecmp("video/avc", mime)) {
551        compressionFormat = OMX_VIDEO_CodingAVC;
552    } else if (!strcasecmp("video/mp4v-es", mime)) {
553        compressionFormat = OMX_VIDEO_CodingMPEG4;
554    } else if (!strcasecmp("video/3gpp", mime)) {
555        compressionFormat = OMX_VIDEO_CodingH263;
556    } else {
557        LOGE("Not a supported video mime type: %s", mime);
558        CHECK(!"Should not be here. Not a supported video mime type.");
559    }
560
561    setVideoPortFormatType(
562            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
563
564#if 1
565    {
566        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
567        InitOMXParams(&format);
568        format.nPortIndex = kPortIndexOutput;
569        format.nIndex = 0;
570
571        status_t err = mOMX->get_parameter(
572                mNode, OMX_IndexParamVideoPortFormat,
573                &format, sizeof(format));
574        CHECK_EQ(err, OK);
575        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
576
577        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
578
579        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
580               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
581               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
582               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
583
584        err = mOMX->set_parameter(
585                mNode, OMX_IndexParamVideoPortFormat,
586                &format, sizeof(format));
587        CHECK_EQ(err, OK);
588    }
589#endif
590
591    OMX_PARAM_PORTDEFINITIONTYPE def;
592    InitOMXParams(&def);
593    def.nPortIndex = kPortIndexInput;
594
595    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
596
597    status_t err = mOMX->get_parameter(
598            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
599
600    CHECK_EQ(err, OK);
601
602#if 1
603    // XXX Need a (much) better heuristic to compute input buffer sizes.
604    const size_t X = 64 * 1024;
605    if (def.nBufferSize < X) {
606        def.nBufferSize = X;
607    }
608#endif
609
610    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
611
612    video_def->nFrameWidth = width;
613    video_def->nFrameHeight = height;
614
615    video_def->eColorFormat = OMX_COLOR_FormatUnused;
616
617    err = mOMX->set_parameter(
618            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
619    CHECK_EQ(err, OK);
620
621    ////////////////////////////////////////////////////////////////////////////
622
623    InitOMXParams(&def);
624    def.nPortIndex = kPortIndexOutput;
625
626    err = mOMX->get_parameter(
627            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
628    CHECK_EQ(err, OK);
629    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
630
631#if 0
632    def.nBufferSize =
633        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
634#endif
635
636    video_def->nFrameWidth = width;
637    video_def->nFrameHeight = height;
638
639    err = mOMX->set_parameter(
640            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
641    CHECK_EQ(err, OK);
642}
643
644
645OMXCodec::OMXCodec(
646        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
647        bool isEncoder,
648        const char *mime,
649        const char *componentName,
650        const sp<MediaSource> &source)
651    : mOMX(omx),
652      mNode(node),
653      mQuirks(quirks),
654      mIsEncoder(isEncoder),
655      mMIME(strdup(mime)),
656      mComponentName(strdup(componentName)),
657      mSource(source),
658      mCodecSpecificDataIndex(0),
659      mState(LOADED),
660      mInitialBufferSubmit(true),
661      mSignalledEOS(false),
662      mNoMoreOutputData(false),
663      mSeekTimeUs(-1) {
664    mPortStatus[kPortIndexInput] = ENABLED;
665    mPortStatus[kPortIndexOutput] = ENABLED;
666
667    mObserver = new OMXCodecObserver(this);
668    mOMX->observe_node(mNode, mObserver);
669
670    setComponentRole();
671}
672
673void OMXCodec::setComponentRole() {
674    struct MimeToRole {
675        const char *mime;
676        const char *decoderRole;
677        const char *encoderRole;
678    };
679
680    static const MimeToRole kMimeToRole[] = {
681        { "audio/mpeg", "audio_decoder.mp3", "audio_encoder.mp3" },
682        { "audio/3gpp", "audio_decoder.amrnb", "audio_encoder.amrnb" },
683        { "audio/amr-wb", "audio_decoder.amrwb", "audio_encoder.amrwb" },
684        { "audio/mp4a-latm", "audio_decoder.aac", "audio_encoder.aac" },
685        { "video/avc",  "video_decoder.avc", "video_encoder.avc" },
686        { "video/mp4v-es", "video_decoder.mpeg4", "video_encoder.mpeg4" },
687        { "video/3gpp", "video_decoder.h263", "video_encoder.h263" },
688    };
689
690    static const size_t kNumMimeToRole =
691        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
692
693    size_t i;
694    for (i = 0; i < kNumMimeToRole; ++i) {
695        if (!strcasecmp(mMIME, kMimeToRole[i].mime)) {
696            break;
697        }
698    }
699
700    if (i == kNumMimeToRole) {
701        return;
702    }
703
704    const char *role =
705        mIsEncoder ? kMimeToRole[i].encoderRole
706                   : kMimeToRole[i].decoderRole;
707
708    if (role != NULL) {
709        CODEC_LOGV("Setting component role '%s'.", role);
710
711        OMX_PARAM_COMPONENTROLETYPE roleParams;
712        InitOMXParams(&roleParams);
713
714        strncpy((char *)roleParams.cRole,
715                role, OMX_MAX_STRINGNAME_SIZE - 1);
716
717        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
718
719        status_t err = mOMX->set_parameter(
720                mNode, OMX_IndexParamStandardComponentRole,
721                &roleParams, sizeof(roleParams));
722
723        if (err != OK) {
724            LOGW("Failed to set standard component role '%s'.", role);
725        }
726    }
727}
728
729OMXCodec::~OMXCodec() {
730    CHECK(mState == LOADED || mState == ERROR);
731
732    status_t err = mOMX->observe_node(mNode, NULL);
733    CHECK_EQ(err, OK);
734
735    err = mOMX->free_node(mNode);
736    CHECK_EQ(err, OK);
737
738    mNode = NULL;
739    setState(DEAD);
740
741    clearCodecSpecificData();
742
743    free(mComponentName);
744    mComponentName = NULL;
745
746    free(mMIME);
747    mMIME = NULL;
748}
749
750status_t OMXCodec::init() {
751    // mLock is held.
752
753    CHECK_EQ(mState, LOADED);
754
755    status_t err;
756    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
757        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
758        CHECK_EQ(err, OK);
759        setState(LOADED_TO_IDLE);
760    }
761
762    err = allocateBuffers();
763    CHECK_EQ(err, OK);
764
765    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
766        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
767        CHECK_EQ(err, OK);
768
769        setState(LOADED_TO_IDLE);
770    }
771
772    while (mState != EXECUTING && mState != ERROR) {
773        mAsyncCompletion.wait(mLock);
774    }
775
776    return mState == ERROR ? UNKNOWN_ERROR : OK;
777}
778
779// static
780bool OMXCodec::isIntermediateState(State state) {
781    return state == LOADED_TO_IDLE
782        || state == IDLE_TO_EXECUTING
783        || state == EXECUTING_TO_IDLE
784        || state == IDLE_TO_LOADED
785        || state == RECONFIGURING;
786}
787
788status_t OMXCodec::allocateBuffers() {
789    status_t err = allocateBuffersOnPort(kPortIndexInput);
790
791    if (err != OK) {
792        return err;
793    }
794
795    return allocateBuffersOnPort(kPortIndexOutput);
796}
797
798status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
799    OMX_PARAM_PORTDEFINITIONTYPE def;
800    InitOMXParams(&def);
801    def.nPortIndex = portIndex;
802
803    status_t err = mOMX->get_parameter(
804            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
805
806    if (err != OK) {
807        return err;
808    }
809
810    size_t totalSize = def.nBufferCountActual * def.nBufferSize;
811    mDealer[portIndex] = new MemoryDealer(totalSize);
812
813    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
814        sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
815        CHECK(mem.get() != NULL);
816
817        IOMX::buffer_id buffer;
818        if (portIndex == kPortIndexInput
819                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
820            err = mOMX->allocate_buffer_with_backup(
821                    mNode, portIndex, mem, &buffer);
822        } else if (portIndex == kPortIndexOutput
823                && (mQuirks & kRequiresAllocateBufferOnOutputPorts)) {
824            err = mOMX->allocate_buffer(
825                    mNode, portIndex, def.nBufferSize, &buffer);
826        } else {
827            err = mOMX->use_buffer(mNode, portIndex, mem, &buffer);
828        }
829
830        if (err != OK) {
831            LOGE("allocate_buffer_with_backup failed");
832            return err;
833        }
834
835        BufferInfo info;
836        info.mBuffer = buffer;
837        info.mOwnedByComponent = false;
838        info.mMem = mem;
839        info.mMediaBuffer = NULL;
840
841        if (portIndex == kPortIndexOutput) {
842            info.mMediaBuffer = new MediaBuffer(mem->pointer(), mem->size());
843            info.mMediaBuffer->setObserver(this);
844        }
845
846        mPortBuffers[portIndex].push(info);
847
848        CODEC_LOGV("allocated buffer %p on %s port", buffer,
849             portIndex == kPortIndexInput ? "input" : "output");
850    }
851
852    dumpPortStatus(portIndex);
853
854    return OK;
855}
856
857void OMXCodec::on_message(const omx_message &msg) {
858    Mutex::Autolock autoLock(mLock);
859
860    switch (msg.type) {
861        case omx_message::EVENT:
862        {
863            onEvent(
864                 msg.u.event_data.event, msg.u.event_data.data1,
865                 msg.u.event_data.data2);
866
867            break;
868        }
869
870        case omx_message::EMPTY_BUFFER_DONE:
871        {
872            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
873
874            CODEC_LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
875
876            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
877            size_t i = 0;
878            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
879                ++i;
880            }
881
882            CHECK(i < buffers->size());
883            if (!(*buffers)[i].mOwnedByComponent) {
884                LOGW("We already own input buffer %p, yet received "
885                     "an EMPTY_BUFFER_DONE.", buffer);
886            }
887
888            buffers->editItemAt(i).mOwnedByComponent = false;
889
890            if (mPortStatus[kPortIndexInput] == DISABLING) {
891                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
892
893                status_t err =
894                    mOMX->free_buffer(mNode, kPortIndexInput, buffer);
895                CHECK_EQ(err, OK);
896
897                buffers->removeAt(i);
898            } else if (mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
899                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
900                drainInputBuffer(&buffers->editItemAt(i));
901            }
902
903            break;
904        }
905
906        case omx_message::FILL_BUFFER_DONE:
907        {
908            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
909            OMX_U32 flags = msg.u.extended_buffer_data.flags;
910
911            CODEC_LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx)",
912                 buffer,
913                 msg.u.extended_buffer_data.range_length,
914                 flags);
915
916            CODEC_LOGV("FILL_BUFFER_DONE(timestamp: %lld us (%.2f secs))",
917                 msg.u.extended_buffer_data.timestamp,
918                 msg.u.extended_buffer_data.timestamp / 1E6);
919
920            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
921            size_t i = 0;
922            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
923                ++i;
924            }
925
926            CHECK(i < buffers->size());
927            BufferInfo *info = &buffers->editItemAt(i);
928
929            if (!info->mOwnedByComponent) {
930                LOGW("We already own output buffer %p, yet received "
931                     "a FILL_BUFFER_DONE.", buffer);
932            }
933
934            info->mOwnedByComponent = false;
935
936            if (mPortStatus[kPortIndexOutput] == DISABLING) {
937                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
938
939                status_t err =
940                    mOMX->free_buffer(mNode, kPortIndexOutput, buffer);
941                CHECK_EQ(err, OK);
942
943                buffers->removeAt(i);
944            } else if (mPortStatus[kPortIndexOutput] == ENABLED
945                       && (flags & OMX_BUFFERFLAG_EOS)) {
946                CODEC_LOGV("No more output data.");
947                mNoMoreOutputData = true;
948                mBufferFilled.signal();
949            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
950                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
951
952                MediaBuffer *buffer = info->mMediaBuffer;
953
954                buffer->set_range(
955                        msg.u.extended_buffer_data.range_offset,
956                        msg.u.extended_buffer_data.range_length);
957
958                buffer->meta_data()->clear();
959
960                buffer->meta_data()->setInt32(
961                        kKeyTimeUnits,
962                        (msg.u.extended_buffer_data.timestamp + 500) / 1000);
963
964                buffer->meta_data()->setInt32(
965                        kKeyTimeScale, 1000);
966
967                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
968                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
969                }
970
971                buffer->meta_data()->setPointer(
972                        kKeyPlatformPrivate,
973                        msg.u.extended_buffer_data.platform_private);
974
975                buffer->meta_data()->setPointer(
976                        kKeyBufferID,
977                        msg.u.extended_buffer_data.buffer);
978
979                mFilledBuffers.push_back(i);
980                mBufferFilled.signal();
981            }
982
983            break;
984        }
985
986        default:
987        {
988            CHECK(!"should not be here.");
989            break;
990        }
991    }
992}
993
994void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
995    switch (event) {
996        case OMX_EventCmdComplete:
997        {
998            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
999            break;
1000        }
1001
1002        case OMX_EventError:
1003        {
1004            LOGE("ERROR(%ld, %ld)", data1, data2);
1005
1006            setState(ERROR);
1007            break;
1008        }
1009
1010        case OMX_EventPortSettingsChanged:
1011        {
1012            onPortSettingsChanged(data1);
1013            break;
1014        }
1015
1016        case OMX_EventBufferFlag:
1017        {
1018            CODEC_LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
1019
1020            if (data1 == kPortIndexOutput) {
1021                mNoMoreOutputData = true;
1022            }
1023            break;
1024        }
1025
1026        default:
1027        {
1028            CODEC_LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
1029            break;
1030        }
1031    }
1032}
1033
1034void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
1035    switch (cmd) {
1036        case OMX_CommandStateSet:
1037        {
1038            onStateChange((OMX_STATETYPE)data);
1039            break;
1040        }
1041
1042        case OMX_CommandPortDisable:
1043        {
1044            OMX_U32 portIndex = data;
1045            CODEC_LOGV("PORT_DISABLED(%ld)", portIndex);
1046
1047            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1048            CHECK_EQ(mPortStatus[portIndex], DISABLING);
1049            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
1050
1051            mPortStatus[portIndex] = DISABLED;
1052
1053            if (mState == RECONFIGURING) {
1054                CHECK_EQ(portIndex, kPortIndexOutput);
1055
1056                enablePortAsync(portIndex);
1057
1058                status_t err = allocateBuffersOnPort(portIndex);
1059                CHECK_EQ(err, OK);
1060            }
1061            break;
1062        }
1063
1064        case OMX_CommandPortEnable:
1065        {
1066            OMX_U32 portIndex = data;
1067            CODEC_LOGV("PORT_ENABLED(%ld)", portIndex);
1068
1069            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1070            CHECK_EQ(mPortStatus[portIndex], ENABLING);
1071
1072            mPortStatus[portIndex] = ENABLED;
1073
1074            if (mState == RECONFIGURING) {
1075                CHECK_EQ(portIndex, kPortIndexOutput);
1076
1077                setState(EXECUTING);
1078
1079                fillOutputBuffers();
1080            }
1081            break;
1082        }
1083
1084        case OMX_CommandFlush:
1085        {
1086            OMX_U32 portIndex = data;
1087
1088            CODEC_LOGV("FLUSH_DONE(%ld)", portIndex);
1089
1090            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
1091            mPortStatus[portIndex] = ENABLED;
1092
1093            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
1094                     mPortBuffers[portIndex].size());
1095
1096            if (mState == RECONFIGURING) {
1097                CHECK_EQ(portIndex, kPortIndexOutput);
1098
1099                disablePortAsync(portIndex);
1100            } else if (mState == EXECUTING_TO_IDLE) {
1101                if (mPortStatus[kPortIndexInput] == ENABLED
1102                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1103                    CODEC_LOGV("Finished flushing both ports, now completing "
1104                         "transition from EXECUTING to IDLE.");
1105
1106                    mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1107                    mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1108
1109                    status_t err =
1110                        mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
1111                    CHECK_EQ(err, OK);
1112                }
1113            } else {
1114                // We're flushing both ports in preparation for seeking.
1115
1116                if (mPortStatus[kPortIndexInput] == ENABLED
1117                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1118                    CODEC_LOGV("Finished flushing both ports, now continuing from"
1119                         " seek-time.");
1120
1121                    drainInputBuffers();
1122                    fillOutputBuffers();
1123                }
1124            }
1125
1126            break;
1127        }
1128
1129        default:
1130        {
1131            CODEC_LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1132            break;
1133        }
1134    }
1135}
1136
1137void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1138    switch (newState) {
1139        case OMX_StateIdle:
1140        {
1141            CODEC_LOGV("Now Idle.");
1142            if (mState == LOADED_TO_IDLE) {
1143                status_t err = mOMX->send_command(
1144                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1145
1146                CHECK_EQ(err, OK);
1147
1148                setState(IDLE_TO_EXECUTING);
1149            } else {
1150                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1151
1152                CHECK_EQ(
1153                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1154                    mPortBuffers[kPortIndexInput].size());
1155
1156                CHECK_EQ(
1157                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1158                    mPortBuffers[kPortIndexOutput].size());
1159
1160                status_t err = mOMX->send_command(
1161                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1162
1163                CHECK_EQ(err, OK);
1164
1165                err = freeBuffersOnPort(kPortIndexInput);
1166                CHECK_EQ(err, OK);
1167
1168                err = freeBuffersOnPort(kPortIndexOutput);
1169                CHECK_EQ(err, OK);
1170
1171                mPortStatus[kPortIndexInput] = ENABLED;
1172                mPortStatus[kPortIndexOutput] = ENABLED;
1173
1174                setState(IDLE_TO_LOADED);
1175            }
1176            break;
1177        }
1178
1179        case OMX_StateExecuting:
1180        {
1181            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1182
1183            CODEC_LOGV("Now Executing.");
1184
1185            setState(EXECUTING);
1186
1187            // Buffers will be submitted to the component in the first
1188            // call to OMXCodec::read as mInitialBufferSubmit is true at
1189            // this point. This ensures that this on_message call returns,
1190            // releases the lock and ::init can notice the state change and
1191            // itself return.
1192            break;
1193        }
1194
1195        case OMX_StateLoaded:
1196        {
1197            CHECK_EQ(mState, IDLE_TO_LOADED);
1198
1199            CODEC_LOGV("Now Loaded.");
1200
1201            setState(LOADED);
1202            break;
1203        }
1204
1205        default:
1206        {
1207            CHECK(!"should not be here.");
1208            break;
1209        }
1210    }
1211}
1212
1213// static
1214size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1215    size_t n = 0;
1216    for (size_t i = 0; i < buffers.size(); ++i) {
1217        if (!buffers[i].mOwnedByComponent) {
1218            ++n;
1219        }
1220    }
1221
1222    return n;
1223}
1224
1225status_t OMXCodec::freeBuffersOnPort(
1226        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1227    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1228
1229    status_t stickyErr = OK;
1230
1231    for (size_t i = buffers->size(); i-- > 0;) {
1232        BufferInfo *info = &buffers->editItemAt(i);
1233
1234        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1235            continue;
1236        }
1237
1238        CHECK_EQ(info->mOwnedByComponent, false);
1239
1240        status_t err =
1241            mOMX->free_buffer(mNode, portIndex, info->mBuffer);
1242
1243        if (err != OK) {
1244            stickyErr = err;
1245        }
1246
1247        if (info->mMediaBuffer != NULL) {
1248            info->mMediaBuffer->setObserver(NULL);
1249
1250            // Make sure nobody but us owns this buffer at this point.
1251            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1252
1253            info->mMediaBuffer->release();
1254        }
1255
1256        buffers->removeAt(i);
1257    }
1258
1259    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1260
1261    return stickyErr;
1262}
1263
1264void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1265    CODEC_LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1266
1267    CHECK_EQ(mState, EXECUTING);
1268    CHECK_EQ(portIndex, kPortIndexOutput);
1269    setState(RECONFIGURING);
1270
1271    if (mQuirks & kNeedsFlushBeforeDisable) {
1272        if (!flushPortAsync(portIndex)) {
1273            onCmdComplete(OMX_CommandFlush, portIndex);
1274        }
1275    } else {
1276        disablePortAsync(portIndex);
1277    }
1278}
1279
1280bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1281    CHECK(mState == EXECUTING || mState == RECONFIGURING
1282            || mState == EXECUTING_TO_IDLE);
1283
1284    CODEC_LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
1285         portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
1286         mPortBuffers[portIndex].size());
1287
1288    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1289    mPortStatus[portIndex] = SHUTTING_DOWN;
1290
1291    if ((mQuirks & kRequiresFlushCompleteEmulation)
1292        && countBuffersWeOwn(mPortBuffers[portIndex])
1293                == mPortBuffers[portIndex].size()) {
1294        // No flush is necessary and this component fails to send a
1295        // flush-complete event in this case.
1296
1297        return false;
1298    }
1299
1300    status_t err =
1301        mOMX->send_command(mNode, OMX_CommandFlush, portIndex);
1302    CHECK_EQ(err, OK);
1303
1304    return true;
1305}
1306
1307void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1308    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1309
1310    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1311    mPortStatus[portIndex] = DISABLING;
1312
1313    status_t err =
1314        mOMX->send_command(mNode, OMX_CommandPortDisable, portIndex);
1315    CHECK_EQ(err, OK);
1316
1317    freeBuffersOnPort(portIndex, true);
1318}
1319
1320void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1321    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1322
1323    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1324    mPortStatus[portIndex] = ENABLING;
1325
1326    status_t err =
1327        mOMX->send_command(mNode, OMX_CommandPortEnable, portIndex);
1328    CHECK_EQ(err, OK);
1329}
1330
1331void OMXCodec::fillOutputBuffers() {
1332    CHECK_EQ(mState, EXECUTING);
1333
1334    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1335    for (size_t i = 0; i < buffers->size(); ++i) {
1336        fillOutputBuffer(&buffers->editItemAt(i));
1337    }
1338}
1339
1340void OMXCodec::drainInputBuffers() {
1341    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1342
1343    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1344    for (size_t i = 0; i < buffers->size(); ++i) {
1345        drainInputBuffer(&buffers->editItemAt(i));
1346    }
1347}
1348
1349void OMXCodec::drainInputBuffer(BufferInfo *info) {
1350    CHECK_EQ(info->mOwnedByComponent, false);
1351
1352    if (mSignalledEOS) {
1353        return;
1354    }
1355
1356    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1357        const CodecSpecificData *specific =
1358            mCodecSpecificData[mCodecSpecificDataIndex];
1359
1360        size_t size = specific->mSize;
1361
1362        if (!strcasecmp("video/avc", mMIME)
1363                && !(mQuirks & kWantsNALFragments)) {
1364            static const uint8_t kNALStartCode[4] =
1365                    { 0x00, 0x00, 0x00, 0x01 };
1366
1367            CHECK(info->mMem->size() >= specific->mSize + 4);
1368
1369            size += 4;
1370
1371            memcpy(info->mMem->pointer(), kNALStartCode, 4);
1372            memcpy((uint8_t *)info->mMem->pointer() + 4,
1373                   specific->mData, specific->mSize);
1374        } else {
1375            CHECK(info->mMem->size() >= specific->mSize);
1376            memcpy(info->mMem->pointer(), specific->mData, specific->mSize);
1377        }
1378
1379        mOMX->empty_buffer(
1380                mNode, info->mBuffer, 0, size,
1381                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1382                0);
1383
1384        info->mOwnedByComponent = true;
1385
1386        ++mCodecSpecificDataIndex;
1387        return;
1388    }
1389
1390    MediaBuffer *srcBuffer;
1391    status_t err;
1392    if (mSeekTimeUs >= 0) {
1393        MediaSource::ReadOptions options;
1394        options.setSeekTo(mSeekTimeUs);
1395        mSeekTimeUs = -1;
1396
1397        err = mSource->read(&srcBuffer, &options);
1398    } else {
1399        err = mSource->read(&srcBuffer);
1400    }
1401
1402    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
1403    OMX_TICKS timestamp = 0;
1404    size_t srcLength = 0;
1405
1406    if (err != OK) {
1407        CODEC_LOGV("signalling end of input stream.");
1408        flags |= OMX_BUFFERFLAG_EOS;
1409
1410        mSignalledEOS = true;
1411    } else {
1412        srcLength = srcBuffer->range_length();
1413
1414        if (info->mMem->size() < srcLength) {
1415            LOGE("info->mMem->size() = %d, srcLength = %d",
1416                 info->mMem->size(), srcLength);
1417        }
1418        CHECK(info->mMem->size() >= srcLength);
1419        memcpy(info->mMem->pointer(),
1420               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
1421               srcLength);
1422
1423        int32_t units, scale;
1424        if (srcBuffer->meta_data()->findInt32(kKeyTimeUnits, &units)
1425            && srcBuffer->meta_data()->findInt32(kKeyTimeScale, &scale)) {
1426            timestamp = ((OMX_TICKS)units * 1000000) / scale;
1427
1428            CODEC_LOGV("Calling empty_buffer on buffer %p (length %d)",
1429                 info->mBuffer, srcLength);
1430            CODEC_LOGV("Calling empty_buffer with timestamp %lld us (%.2f secs)",
1431                 timestamp, timestamp / 1E6);
1432        }
1433    }
1434
1435    mOMX->empty_buffer(
1436            mNode, info->mBuffer, 0, srcLength,
1437            flags, timestamp);
1438
1439    info->mOwnedByComponent = true;
1440
1441    if (srcBuffer != NULL) {
1442        srcBuffer->release();
1443        srcBuffer = NULL;
1444    }
1445}
1446
1447void OMXCodec::fillOutputBuffer(BufferInfo *info) {
1448    CHECK_EQ(info->mOwnedByComponent, false);
1449
1450    if (mNoMoreOutputData) {
1451        CODEC_LOGV("There is no more output data available, not "
1452             "calling fillOutputBuffer");
1453        return;
1454    }
1455
1456    CODEC_LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
1457    mOMX->fill_buffer(mNode, info->mBuffer);
1458
1459    info->mOwnedByComponent = true;
1460}
1461
1462void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
1463    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1464    for (size_t i = 0; i < buffers->size(); ++i) {
1465        if ((*buffers)[i].mBuffer == buffer) {
1466            drainInputBuffer(&buffers->editItemAt(i));
1467            return;
1468        }
1469    }
1470
1471    CHECK(!"should not be here.");
1472}
1473
1474void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
1475    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1476    for (size_t i = 0; i < buffers->size(); ++i) {
1477        if ((*buffers)[i].mBuffer == buffer) {
1478            fillOutputBuffer(&buffers->editItemAt(i));
1479            return;
1480        }
1481    }
1482
1483    CHECK(!"should not be here.");
1484}
1485
1486void OMXCodec::setState(State newState) {
1487    mState = newState;
1488    mAsyncCompletion.signal();
1489
1490    // This may cause some spurious wakeups but is necessary to
1491    // unblock the reader if we enter ERROR state.
1492    mBufferFilled.signal();
1493}
1494
1495void OMXCodec::setRawAudioFormat(
1496        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1497    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1498    InitOMXParams(&pcmParams);
1499    pcmParams.nPortIndex = portIndex;
1500
1501    status_t err = mOMX->get_parameter(
1502            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1503
1504    CHECK_EQ(err, OK);
1505
1506    pcmParams.nChannels = numChannels;
1507    pcmParams.eNumData = OMX_NumericalDataSigned;
1508    pcmParams.bInterleaved = OMX_TRUE;
1509    pcmParams.nBitPerSample = 16;
1510    pcmParams.nSamplingRate = sampleRate;
1511    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1512
1513    if (numChannels == 1) {
1514        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
1515    } else {
1516        CHECK_EQ(numChannels, 2);
1517
1518        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
1519        pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
1520    }
1521
1522    err = mOMX->set_parameter(
1523            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1524
1525    CHECK_EQ(err, OK);
1526}
1527
1528void OMXCodec::setAMRFormat() {
1529    if (!mIsEncoder) {
1530        OMX_AUDIO_PARAM_AMRTYPE def;
1531        InitOMXParams(&def);
1532        def.nPortIndex = kPortIndexInput;
1533
1534        status_t err =
1535            mOMX->get_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1536
1537        CHECK_EQ(err, OK);
1538
1539        def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1540        def.eAMRBandMode = OMX_AUDIO_AMRBandModeNB0;
1541
1542        err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1543        CHECK_EQ(err, OK);
1544    }
1545
1546    ////////////////////////
1547
1548    if (mIsEncoder) {
1549        sp<MetaData> format = mSource->getFormat();
1550        int32_t sampleRate;
1551        int32_t numChannels;
1552        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
1553        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
1554
1555        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1556    }
1557}
1558
1559void OMXCodec::setAMRWBFormat() {
1560    if (!mIsEncoder) {
1561        OMX_AUDIO_PARAM_AMRTYPE def;
1562        InitOMXParams(&def);
1563        def.nPortIndex = kPortIndexInput;
1564
1565        status_t err =
1566            mOMX->get_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1567
1568        CHECK_EQ(err, OK);
1569
1570        def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1571        def.eAMRBandMode = OMX_AUDIO_AMRBandModeWB0;
1572
1573        err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1574        CHECK_EQ(err, OK);
1575    }
1576
1577    ////////////////////////
1578
1579    if (mIsEncoder) {
1580        sp<MetaData> format = mSource->getFormat();
1581        int32_t sampleRate;
1582        int32_t numChannels;
1583        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
1584        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
1585
1586        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1587    }
1588}
1589
1590void OMXCodec::setAACFormat(int32_t numChannels, int32_t sampleRate) {
1591    if (mIsEncoder) {
1592        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1593    } else {
1594        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1595        InitOMXParams(&profile);
1596        profile.nPortIndex = kPortIndexInput;
1597
1598        status_t err = mOMX->get_parameter(
1599                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1600        CHECK_EQ(err, OK);
1601
1602        profile.nChannels = numChannels;
1603        profile.nSampleRate = sampleRate;
1604        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
1605
1606        err = mOMX->set_parameter(
1607                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1608        CHECK_EQ(err, OK);
1609    }
1610}
1611
1612void OMXCodec::setImageOutputFormat(
1613        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
1614    CODEC_LOGV("setImageOutputFormat(%ld, %ld)", width, height);
1615
1616#if 0
1617    OMX_INDEXTYPE index;
1618    status_t err = mOMX->get_extension_index(
1619            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
1620    CHECK_EQ(err, OK);
1621
1622    err = mOMX->set_config(mNode, index, &format, sizeof(format));
1623    CHECK_EQ(err, OK);
1624#endif
1625
1626    OMX_PARAM_PORTDEFINITIONTYPE def;
1627    InitOMXParams(&def);
1628    def.nPortIndex = kPortIndexOutput;
1629
1630    status_t err = mOMX->get_parameter(
1631            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1632    CHECK_EQ(err, OK);
1633
1634    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1635
1636    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1637
1638    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
1639    imageDef->eColorFormat = format;
1640    imageDef->nFrameWidth = width;
1641    imageDef->nFrameHeight = height;
1642
1643    switch (format) {
1644        case OMX_COLOR_FormatYUV420PackedPlanar:
1645        case OMX_COLOR_FormatYUV411Planar:
1646        {
1647            def.nBufferSize = (width * height * 3) / 2;
1648            break;
1649        }
1650
1651        case OMX_COLOR_FormatCbYCrY:
1652        {
1653            def.nBufferSize = width * height * 2;
1654            break;
1655        }
1656
1657        case OMX_COLOR_Format32bitARGB8888:
1658        {
1659            def.nBufferSize = width * height * 4;
1660            break;
1661        }
1662
1663        case OMX_COLOR_Format16bitARGB4444:
1664        case OMX_COLOR_Format16bitARGB1555:
1665        case OMX_COLOR_Format16bitRGB565:
1666        case OMX_COLOR_Format16bitBGR565:
1667        {
1668            def.nBufferSize = width * height * 2;
1669            break;
1670        }
1671
1672        default:
1673            CHECK(!"Should not be here. Unknown color format.");
1674            break;
1675    }
1676
1677    def.nBufferCountActual = def.nBufferCountMin;
1678
1679    err = mOMX->set_parameter(
1680            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1681    CHECK_EQ(err, OK);
1682}
1683
1684void OMXCodec::setJPEGInputFormat(
1685        OMX_U32 width, OMX_U32 height, OMX_U32 compressedSize) {
1686    OMX_PARAM_PORTDEFINITIONTYPE def;
1687    InitOMXParams(&def);
1688    def.nPortIndex = kPortIndexInput;
1689
1690    status_t err = mOMX->get_parameter(
1691            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1692    CHECK_EQ(err, OK);
1693
1694    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1695    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1696
1697    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
1698    imageDef->nFrameWidth = width;
1699    imageDef->nFrameHeight = height;
1700
1701    def.nBufferSize = compressedSize;
1702    def.nBufferCountActual = def.nBufferCountMin;
1703
1704    err = mOMX->set_parameter(
1705            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1706    CHECK_EQ(err, OK);
1707}
1708
1709void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
1710    CodecSpecificData *specific =
1711        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
1712
1713    specific->mSize = size;
1714    memcpy(specific->mData, data, size);
1715
1716    mCodecSpecificData.push(specific);
1717}
1718
1719void OMXCodec::clearCodecSpecificData() {
1720    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
1721        free(mCodecSpecificData.editItemAt(i));
1722    }
1723    mCodecSpecificData.clear();
1724    mCodecSpecificDataIndex = 0;
1725}
1726
1727status_t OMXCodec::start(MetaData *) {
1728    Mutex::Autolock autoLock(mLock);
1729
1730    if (mState != LOADED) {
1731        return UNKNOWN_ERROR;
1732    }
1733
1734    sp<MetaData> params = new MetaData;
1735    if (mQuirks & kWantsNALFragments) {
1736        params->setInt32(kKeyWantsNALFragments, true);
1737    }
1738    status_t err = mSource->start(params.get());
1739
1740    if (err != OK) {
1741        return err;
1742    }
1743
1744    mCodecSpecificDataIndex = 0;
1745    mInitialBufferSubmit = true;
1746    mSignalledEOS = false;
1747    mNoMoreOutputData = false;
1748    mSeekTimeUs = -1;
1749    mFilledBuffers.clear();
1750
1751    return init();
1752}
1753
1754status_t OMXCodec::stop() {
1755    CODEC_LOGV("stop");
1756
1757    Mutex::Autolock autoLock(mLock);
1758
1759    while (isIntermediateState(mState)) {
1760        mAsyncCompletion.wait(mLock);
1761    }
1762
1763    switch (mState) {
1764        case LOADED:
1765        case ERROR:
1766            break;
1767
1768        case EXECUTING:
1769        {
1770            setState(EXECUTING_TO_IDLE);
1771
1772            if (mQuirks & kRequiresFlushBeforeShutdown) {
1773                CODEC_LOGV("This component requires a flush before transitioning "
1774                     "from EXECUTING to IDLE...");
1775
1776                bool emulateInputFlushCompletion =
1777                    !flushPortAsync(kPortIndexInput);
1778
1779                bool emulateOutputFlushCompletion =
1780                    !flushPortAsync(kPortIndexOutput);
1781
1782                if (emulateInputFlushCompletion) {
1783                    onCmdComplete(OMX_CommandFlush, kPortIndexInput);
1784                }
1785
1786                if (emulateOutputFlushCompletion) {
1787                    onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
1788                }
1789            } else {
1790                mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1791                mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1792
1793                status_t err =
1794                    mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
1795                CHECK_EQ(err, OK);
1796            }
1797
1798            while (mState != LOADED && mState != ERROR) {
1799                mAsyncCompletion.wait(mLock);
1800            }
1801
1802            break;
1803        }
1804
1805        default:
1806        {
1807            CHECK(!"should not be here.");
1808            break;
1809        }
1810    }
1811
1812    mSource->stop();
1813
1814    return OK;
1815}
1816
1817sp<MetaData> OMXCodec::getFormat() {
1818    return mOutputFormat;
1819}
1820
1821status_t OMXCodec::read(
1822        MediaBuffer **buffer, const ReadOptions *options) {
1823    *buffer = NULL;
1824
1825    Mutex::Autolock autoLock(mLock);
1826
1827    if (mState != EXECUTING && mState != RECONFIGURING) {
1828        return UNKNOWN_ERROR;
1829    }
1830
1831    if (mInitialBufferSubmit) {
1832        mInitialBufferSubmit = false;
1833
1834        drainInputBuffers();
1835
1836        if (mState == EXECUTING) {
1837            // Otherwise mState == RECONFIGURING and this code will trigger
1838            // after the output port is reenabled.
1839            fillOutputBuffers();
1840        }
1841    }
1842
1843    int64_t seekTimeUs;
1844    if (options && options->getSeekTo(&seekTimeUs)) {
1845        CODEC_LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
1846
1847        mSignalledEOS = false;
1848        mNoMoreOutputData = false;
1849
1850        CHECK(seekTimeUs >= 0);
1851        mSeekTimeUs = seekTimeUs;
1852
1853        mFilledBuffers.clear();
1854
1855        CHECK_EQ(mState, EXECUTING);
1856
1857        bool emulateInputFlushCompletion = !flushPortAsync(kPortIndexInput);
1858        bool emulateOutputFlushCompletion = !flushPortAsync(kPortIndexOutput);
1859
1860        if (emulateInputFlushCompletion) {
1861            onCmdComplete(OMX_CommandFlush, kPortIndexInput);
1862        }
1863
1864        if (emulateOutputFlushCompletion) {
1865            onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
1866        }
1867    }
1868
1869    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
1870        mBufferFilled.wait(mLock);
1871    }
1872
1873    if (mState == ERROR) {
1874        return UNKNOWN_ERROR;
1875    }
1876
1877    if (mFilledBuffers.empty()) {
1878        return ERROR_END_OF_STREAM;
1879    }
1880
1881    size_t index = *mFilledBuffers.begin();
1882    mFilledBuffers.erase(mFilledBuffers.begin());
1883
1884    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
1885    info->mMediaBuffer->add_ref();
1886    *buffer = info->mMediaBuffer;
1887
1888    return OK;
1889}
1890
1891void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
1892    Mutex::Autolock autoLock(mLock);
1893
1894    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1895    for (size_t i = 0; i < buffers->size(); ++i) {
1896        BufferInfo *info = &buffers->editItemAt(i);
1897
1898        if (info->mMediaBuffer == buffer) {
1899            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1900            fillOutputBuffer(info);
1901            return;
1902        }
1903    }
1904
1905    CHECK(!"should not be here.");
1906}
1907
1908static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
1909    static const char *kNames[] = {
1910        "OMX_IMAGE_CodingUnused",
1911        "OMX_IMAGE_CodingAutoDetect",
1912        "OMX_IMAGE_CodingJPEG",
1913        "OMX_IMAGE_CodingJPEG2K",
1914        "OMX_IMAGE_CodingEXIF",
1915        "OMX_IMAGE_CodingTIFF",
1916        "OMX_IMAGE_CodingGIF",
1917        "OMX_IMAGE_CodingPNG",
1918        "OMX_IMAGE_CodingLZW",
1919        "OMX_IMAGE_CodingBMP",
1920    };
1921
1922    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1923
1924    if (type < 0 || (size_t)type >= numNames) {
1925        return "UNKNOWN";
1926    } else {
1927        return kNames[type];
1928    }
1929}
1930
1931static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
1932    static const char *kNames[] = {
1933        "OMX_COLOR_FormatUnused",
1934        "OMX_COLOR_FormatMonochrome",
1935        "OMX_COLOR_Format8bitRGB332",
1936        "OMX_COLOR_Format12bitRGB444",
1937        "OMX_COLOR_Format16bitARGB4444",
1938        "OMX_COLOR_Format16bitARGB1555",
1939        "OMX_COLOR_Format16bitRGB565",
1940        "OMX_COLOR_Format16bitBGR565",
1941        "OMX_COLOR_Format18bitRGB666",
1942        "OMX_COLOR_Format18bitARGB1665",
1943        "OMX_COLOR_Format19bitARGB1666",
1944        "OMX_COLOR_Format24bitRGB888",
1945        "OMX_COLOR_Format24bitBGR888",
1946        "OMX_COLOR_Format24bitARGB1887",
1947        "OMX_COLOR_Format25bitARGB1888",
1948        "OMX_COLOR_Format32bitBGRA8888",
1949        "OMX_COLOR_Format32bitARGB8888",
1950        "OMX_COLOR_FormatYUV411Planar",
1951        "OMX_COLOR_FormatYUV411PackedPlanar",
1952        "OMX_COLOR_FormatYUV420Planar",
1953        "OMX_COLOR_FormatYUV420PackedPlanar",
1954        "OMX_COLOR_FormatYUV420SemiPlanar",
1955        "OMX_COLOR_FormatYUV422Planar",
1956        "OMX_COLOR_FormatYUV422PackedPlanar",
1957        "OMX_COLOR_FormatYUV422SemiPlanar",
1958        "OMX_COLOR_FormatYCbYCr",
1959        "OMX_COLOR_FormatYCrYCb",
1960        "OMX_COLOR_FormatCbYCrY",
1961        "OMX_COLOR_FormatCrYCbY",
1962        "OMX_COLOR_FormatYUV444Interleaved",
1963        "OMX_COLOR_FormatRawBayer8bit",
1964        "OMX_COLOR_FormatRawBayer10bit",
1965        "OMX_COLOR_FormatRawBayer8bitcompressed",
1966        "OMX_COLOR_FormatL2",
1967        "OMX_COLOR_FormatL4",
1968        "OMX_COLOR_FormatL8",
1969        "OMX_COLOR_FormatL16",
1970        "OMX_COLOR_FormatL24",
1971        "OMX_COLOR_FormatL32",
1972        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
1973        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
1974        "OMX_COLOR_Format18BitBGR666",
1975        "OMX_COLOR_Format24BitARGB6666",
1976        "OMX_COLOR_Format24BitABGR6666",
1977    };
1978
1979    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1980
1981    static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
1982
1983    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
1984        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
1985    } else if (type < 0 || (size_t)type >= numNames) {
1986        return "UNKNOWN";
1987    } else {
1988        return kNames[type];
1989    }
1990}
1991
1992static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
1993    static const char *kNames[] = {
1994        "OMX_VIDEO_CodingUnused",
1995        "OMX_VIDEO_CodingAutoDetect",
1996        "OMX_VIDEO_CodingMPEG2",
1997        "OMX_VIDEO_CodingH263",
1998        "OMX_VIDEO_CodingMPEG4",
1999        "OMX_VIDEO_CodingWMV",
2000        "OMX_VIDEO_CodingRV",
2001        "OMX_VIDEO_CodingAVC",
2002        "OMX_VIDEO_CodingMJPEG",
2003    };
2004
2005    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2006
2007    if (type < 0 || (size_t)type >= numNames) {
2008        return "UNKNOWN";
2009    } else {
2010        return kNames[type];
2011    }
2012}
2013
2014static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
2015    static const char *kNames[] = {
2016        "OMX_AUDIO_CodingUnused",
2017        "OMX_AUDIO_CodingAutoDetect",
2018        "OMX_AUDIO_CodingPCM",
2019        "OMX_AUDIO_CodingADPCM",
2020        "OMX_AUDIO_CodingAMR",
2021        "OMX_AUDIO_CodingGSMFR",
2022        "OMX_AUDIO_CodingGSMEFR",
2023        "OMX_AUDIO_CodingGSMHR",
2024        "OMX_AUDIO_CodingPDCFR",
2025        "OMX_AUDIO_CodingPDCEFR",
2026        "OMX_AUDIO_CodingPDCHR",
2027        "OMX_AUDIO_CodingTDMAFR",
2028        "OMX_AUDIO_CodingTDMAEFR",
2029        "OMX_AUDIO_CodingQCELP8",
2030        "OMX_AUDIO_CodingQCELP13",
2031        "OMX_AUDIO_CodingEVRC",
2032        "OMX_AUDIO_CodingSMV",
2033        "OMX_AUDIO_CodingG711",
2034        "OMX_AUDIO_CodingG723",
2035        "OMX_AUDIO_CodingG726",
2036        "OMX_AUDIO_CodingG729",
2037        "OMX_AUDIO_CodingAAC",
2038        "OMX_AUDIO_CodingMP3",
2039        "OMX_AUDIO_CodingSBC",
2040        "OMX_AUDIO_CodingVORBIS",
2041        "OMX_AUDIO_CodingWMA",
2042        "OMX_AUDIO_CodingRA",
2043        "OMX_AUDIO_CodingMIDI",
2044    };
2045
2046    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2047
2048    if (type < 0 || (size_t)type >= numNames) {
2049        return "UNKNOWN";
2050    } else {
2051        return kNames[type];
2052    }
2053}
2054
2055static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
2056    static const char *kNames[] = {
2057        "OMX_AUDIO_PCMModeLinear",
2058        "OMX_AUDIO_PCMModeALaw",
2059        "OMX_AUDIO_PCMModeMULaw",
2060    };
2061
2062    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2063
2064    if (type < 0 || (size_t)type >= numNames) {
2065        return "UNKNOWN";
2066    } else {
2067        return kNames[type];
2068    }
2069}
2070
2071static const char *amrBandModeString(OMX_AUDIO_AMRBANDMODETYPE type) {
2072    static const char *kNames[] = {
2073        "OMX_AUDIO_AMRBandModeUnused",
2074        "OMX_AUDIO_AMRBandModeNB0",
2075        "OMX_AUDIO_AMRBandModeNB1",
2076        "OMX_AUDIO_AMRBandModeNB2",
2077        "OMX_AUDIO_AMRBandModeNB3",
2078        "OMX_AUDIO_AMRBandModeNB4",
2079        "OMX_AUDIO_AMRBandModeNB5",
2080        "OMX_AUDIO_AMRBandModeNB6",
2081        "OMX_AUDIO_AMRBandModeNB7",
2082        "OMX_AUDIO_AMRBandModeWB0",
2083        "OMX_AUDIO_AMRBandModeWB1",
2084        "OMX_AUDIO_AMRBandModeWB2",
2085        "OMX_AUDIO_AMRBandModeWB3",
2086        "OMX_AUDIO_AMRBandModeWB4",
2087        "OMX_AUDIO_AMRBandModeWB5",
2088        "OMX_AUDIO_AMRBandModeWB6",
2089        "OMX_AUDIO_AMRBandModeWB7",
2090        "OMX_AUDIO_AMRBandModeWB8",
2091    };
2092
2093    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2094
2095    if (type < 0 || (size_t)type >= numNames) {
2096        return "UNKNOWN";
2097    } else {
2098        return kNames[type];
2099    }
2100}
2101
2102static const char *amrFrameFormatString(OMX_AUDIO_AMRFRAMEFORMATTYPE type) {
2103    static const char *kNames[] = {
2104        "OMX_AUDIO_AMRFrameFormatConformance",
2105        "OMX_AUDIO_AMRFrameFormatIF1",
2106        "OMX_AUDIO_AMRFrameFormatIF2",
2107        "OMX_AUDIO_AMRFrameFormatFSF",
2108        "OMX_AUDIO_AMRFrameFormatRTPPayload",
2109        "OMX_AUDIO_AMRFrameFormatITU",
2110    };
2111
2112    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2113
2114    if (type < 0 || (size_t)type >= numNames) {
2115        return "UNKNOWN";
2116    } else {
2117        return kNames[type];
2118    }
2119}
2120
2121void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
2122    OMX_PARAM_PORTDEFINITIONTYPE def;
2123    InitOMXParams(&def);
2124    def.nPortIndex = portIndex;
2125
2126    status_t err = mOMX->get_parameter(
2127            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2128    CHECK_EQ(err, OK);
2129
2130    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
2131
2132    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
2133          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
2134
2135    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
2136    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
2137    printf("  nBufferSize = %ld\n", def.nBufferSize);
2138
2139    switch (def.eDomain) {
2140        case OMX_PortDomainImage:
2141        {
2142            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2143
2144            printf("\n");
2145            printf("  // Image\n");
2146            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
2147            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
2148            printf("  nStride = %ld\n", imageDef->nStride);
2149
2150            printf("  eCompressionFormat = %s\n",
2151                   imageCompressionFormatString(imageDef->eCompressionFormat));
2152
2153            printf("  eColorFormat = %s\n",
2154                   colorFormatString(imageDef->eColorFormat));
2155
2156            break;
2157        }
2158
2159        case OMX_PortDomainVideo:
2160        {
2161            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2162
2163            printf("\n");
2164            printf("  // Video\n");
2165            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
2166            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
2167            printf("  nStride = %ld\n", videoDef->nStride);
2168
2169            printf("  eCompressionFormat = %s\n",
2170                   videoCompressionFormatString(videoDef->eCompressionFormat));
2171
2172            printf("  eColorFormat = %s\n",
2173                   colorFormatString(videoDef->eColorFormat));
2174
2175            break;
2176        }
2177
2178        case OMX_PortDomainAudio:
2179        {
2180            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2181
2182            printf("\n");
2183            printf("  // Audio\n");
2184            printf("  eEncoding = %s\n",
2185                   audioCodingTypeString(audioDef->eEncoding));
2186
2187            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
2188                OMX_AUDIO_PARAM_PCMMODETYPE params;
2189                InitOMXParams(&params);
2190                params.nPortIndex = portIndex;
2191
2192                err = mOMX->get_parameter(
2193                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2194                CHECK_EQ(err, OK);
2195
2196                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
2197                printf("  nChannels = %ld\n", params.nChannels);
2198                printf("  bInterleaved = %d\n", params.bInterleaved);
2199                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
2200
2201                printf("  eNumData = %s\n",
2202                       params.eNumData == OMX_NumericalDataSigned
2203                        ? "signed" : "unsigned");
2204
2205                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
2206            } else if (audioDef->eEncoding == OMX_AUDIO_CodingAMR) {
2207                OMX_AUDIO_PARAM_AMRTYPE amr;
2208                InitOMXParams(&amr);
2209                amr.nPortIndex = portIndex;
2210
2211                err = mOMX->get_parameter(
2212                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2213                CHECK_EQ(err, OK);
2214
2215                printf("  nChannels = %ld\n", amr.nChannels);
2216                printf("  eAMRBandMode = %s\n",
2217                        amrBandModeString(amr.eAMRBandMode));
2218                printf("  eAMRFrameFormat = %s\n",
2219                        amrFrameFormatString(amr.eAMRFrameFormat));
2220            }
2221
2222            break;
2223        }
2224
2225        default:
2226        {
2227            printf("  // Unknown\n");
2228            break;
2229        }
2230    }
2231
2232    printf("}\n");
2233}
2234
2235void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
2236    mOutputFormat = new MetaData;
2237    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
2238
2239    OMX_PARAM_PORTDEFINITIONTYPE def;
2240    InitOMXParams(&def);
2241    def.nPortIndex = kPortIndexOutput;
2242
2243    status_t err = mOMX->get_parameter(
2244            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2245    CHECK_EQ(err, OK);
2246
2247    switch (def.eDomain) {
2248        case OMX_PortDomainImage:
2249        {
2250            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2251            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2252
2253            mOutputFormat->setCString(kKeyMIMEType, "image/raw");
2254            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
2255            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
2256            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
2257            break;
2258        }
2259
2260        case OMX_PortDomainAudio:
2261        {
2262            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
2263
2264            if (audio_def->eEncoding == OMX_AUDIO_CodingPCM) {
2265                OMX_AUDIO_PARAM_PCMMODETYPE params;
2266                InitOMXParams(&params);
2267                params.nPortIndex = kPortIndexOutput;
2268
2269                err = mOMX->get_parameter(
2270                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2271                CHECK_EQ(err, OK);
2272
2273                CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
2274                CHECK_EQ(params.nBitPerSample, 16);
2275                CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
2276
2277                int32_t numChannels, sampleRate;
2278                inputFormat->findInt32(kKeyChannelCount, &numChannels);
2279                inputFormat->findInt32(kKeySampleRate, &sampleRate);
2280
2281                if ((OMX_U32)numChannels != params.nChannels) {
2282                    LOGW("Codec outputs a different number of channels than "
2283                         "the input stream contains.");
2284                }
2285
2286                mOutputFormat->setCString(kKeyMIMEType, "audio/raw");
2287
2288                // Use the codec-advertised number of channels, as some
2289                // codecs appear to output stereo even if the input data is
2290                // mono.
2291                mOutputFormat->setInt32(kKeyChannelCount, params.nChannels);
2292
2293                // The codec-reported sampleRate is not reliable...
2294                mOutputFormat->setInt32(kKeySampleRate, sampleRate);
2295            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAMR) {
2296                OMX_AUDIO_PARAM_AMRTYPE amr;
2297                InitOMXParams(&amr);
2298                amr.nPortIndex = kPortIndexOutput;
2299
2300                err = mOMX->get_parameter(
2301                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2302                CHECK_EQ(err, OK);
2303
2304                CHECK_EQ(amr.nChannels, 1);
2305                mOutputFormat->setInt32(kKeyChannelCount, 1);
2306
2307                if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeNB0
2308                    && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeNB7) {
2309                    mOutputFormat->setCString(kKeyMIMEType, "audio/3gpp");
2310                    mOutputFormat->setInt32(kKeySampleRate, 8000);
2311                } else if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0
2312                            && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeWB8) {
2313                    mOutputFormat->setCString(kKeyMIMEType, "audio/amr-wb");
2314                    mOutputFormat->setInt32(kKeySampleRate, 16000);
2315                } else {
2316                    CHECK(!"Unknown AMR band mode.");
2317                }
2318            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAAC) {
2319                mOutputFormat->setCString(kKeyMIMEType, "audio/mp4a-latm");
2320            } else {
2321                CHECK(!"Should not be here. Unknown audio encoding.");
2322            }
2323            break;
2324        }
2325
2326        case OMX_PortDomainVideo:
2327        {
2328            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2329
2330            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
2331                mOutputFormat->setCString(kKeyMIMEType, "video/raw");
2332            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
2333                mOutputFormat->setCString(kKeyMIMEType, "video/mp4v-es");
2334            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
2335                mOutputFormat->setCString(kKeyMIMEType, "video/3gpp");
2336            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
2337                mOutputFormat->setCString(kKeyMIMEType, "video/avc");
2338            } else {
2339                CHECK(!"Unknown compression format.");
2340            }
2341
2342            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
2343                // This component appears to be lying to me.
2344                mOutputFormat->setInt32(
2345                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
2346                mOutputFormat->setInt32(
2347                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
2348            } else {
2349                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
2350                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
2351            }
2352
2353            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
2354            break;
2355        }
2356
2357        default:
2358        {
2359            CHECK(!"should not be here, neither audio nor video.");
2360            break;
2361        }
2362    }
2363}
2364
2365}  // namespace android
2366