OMXCodec.cpp revision 37940eefcba982836b579fe1ffec6cada72b0974 
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        quirks |= kRequiresFlushCompleteEmulation;
197
198        // The following is currently necessary for proper shutdown
199        // behaviour, but NOT enabled by default in order to make the
200        // bug reproducible...
201        // quirks |= kRequiresFlushBeforeShutdown;
202    }
203    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
204        quirks |= kRequiresLoadedToIdleAfterAllocation;
205        quirks |= kRequiresAllocateBufferOnInputPorts;
206    }
207
208    sp<OMXCodec> codec = new OMXCodec(
209            omx, node, quirks, createEncoder, mime, componentName,
210            source);
211
212    uint32_t type;
213    const void *data;
214    size_t size;
215    if (meta->findData(kKeyESDS, &type, &data, &size)) {
216        ESDS esds((const char *)data, size);
217        CHECK_EQ(esds.InitCheck(), OK);
218
219        const void *codec_specific_data;
220        size_t codec_specific_data_size;
221        esds.getCodecSpecificInfo(
222                &codec_specific_data, &codec_specific_data_size);
223
224        printf("found codec-specific data of size %d\n",
225               codec_specific_data_size);
226
227        codec->addCodecSpecificData(
228                codec_specific_data, codec_specific_data_size);
229    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
230        printf("found avcc of size %d\n", size);
231
232        // Parse the AVCDecoderConfigurationRecord
233
234        const uint8_t *ptr = (const uint8_t *)data;
235
236        CHECK(size >= 7);
237        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
238        uint8_t profile = ptr[1];
239        uint8_t level = ptr[3];
240
241        CHECK((ptr[4] >> 2) == 0x3f);  // reserved
242
243        size_t lengthSize = 1 + (ptr[4] & 3);
244
245        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
246        // violates it...
247        // CHECK((ptr[5] >> 5) == 7);  // reserved
248
249        size_t numSeqParameterSets = ptr[5] & 31;
250
251        ptr += 6;
252        size -= 6;
253
254        for (size_t i = 0; i < numSeqParameterSets; ++i) {
255            CHECK(size >= 2);
256            size_t length = U16_AT(ptr);
257
258            ptr += 2;
259            size -= 2;
260
261            CHECK(size >= length);
262
263            codec->addCodecSpecificData(ptr, length);
264
265            ptr += length;
266            size -= length;
267        }
268
269        CHECK(size >= 1);
270        size_t numPictureParameterSets = *ptr;
271        ++ptr;
272        --size;
273
274        for (size_t i = 0; i < numPictureParameterSets; ++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        LOGI("AVC profile = %d (%s), level = %d",
290             (int)profile, AVCProfileToString(profile), (int)level / 10);
291
292        if (!strcmp(componentName, "OMX.TI.Video.Decoder")
293            && (profile != kAVCProfileBaseline || level > 39)) {
294            // This stream exceeds the decoder's capabilities.
295
296            LOGE("Profile and/or level exceed the decoder's capabilities.");
297            return NULL;
298        }
299    }
300
301    if (!strcasecmp("audio/3gpp", mime)) {
302        codec->setAMRFormat();
303    }
304    if (!createEncoder && !strcasecmp("audio/mp4a-latm", mime)) {
305        int32_t numChannels, sampleRate;
306        CHECK(meta->findInt32(kKeyChannelCount, &numChannels));
307        CHECK(meta->findInt32(kKeySampleRate, &sampleRate));
308
309        codec->setAACFormat(numChannels, sampleRate);
310    }
311    if (!strncasecmp(mime, "video/", 6)) {
312        int32_t width, height;
313        bool success = meta->findInt32(kKeyWidth, &width);
314        success = success && meta->findInt32(kKeyHeight, &height);
315        CHECK(success);
316
317        if (createEncoder) {
318            codec->setVideoInputFormat(mime, width, height);
319        } else {
320            codec->setVideoOutputFormat(mime, width, height);
321        }
322    }
323    if (!strcasecmp(mime, "image/jpeg")
324        && !strcmp(componentName, "OMX.TI.JPEG.decode")) {
325        OMX_COLOR_FORMATTYPE format =
326            OMX_COLOR_Format32bitARGB8888;
327            // OMX_COLOR_FormatYUV420PackedPlanar;
328            // OMX_COLOR_FormatCbYCrY;
329            // OMX_COLOR_FormatYUV411Planar;
330
331        int32_t width, height;
332        bool success = meta->findInt32(kKeyWidth, &width);
333        success = success && meta->findInt32(kKeyHeight, &height);
334
335        int32_t compressedSize;
336        success = success && meta->findInt32(
337                kKeyCompressedSize, &compressedSize);
338
339        CHECK(success);
340        CHECK(compressedSize > 0);
341
342        codec->setImageOutputFormat(format, width, height);
343        codec->setJPEGInputFormat(width, height, (OMX_U32)compressedSize);
344    }
345
346    codec->initOutputFormat(meta);
347
348    return codec;
349}
350
351status_t OMXCodec::setVideoPortFormatType(
352        OMX_U32 portIndex,
353        OMX_VIDEO_CODINGTYPE compressionFormat,
354        OMX_COLOR_FORMATTYPE colorFormat) {
355    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
356    format.nSize = sizeof(format);
357    format.nVersion.s.nVersionMajor = 1;
358    format.nVersion.s.nVersionMinor = 1;
359    format.nPortIndex = portIndex;
360    format.nIndex = 0;
361    bool found = false;
362
363    OMX_U32 index = 0;
364    for (;;) {
365        format.nIndex = index;
366        status_t err = mOMX->get_parameter(
367                mNode, OMX_IndexParamVideoPortFormat,
368                &format, sizeof(format));
369
370        if (err != OK) {
371            return err;
372        }
373
374        // The following assertion is violated by TI's video decoder.
375        // CHECK_EQ(format.nIndex, index);
376
377#if 1
378        LOGI("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
379             portIndex,
380             index, format.eCompressionFormat, format.eColorFormat);
381#endif
382
383        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
384            if (portIndex == kPortIndexInput
385                    && colorFormat == format.eColorFormat) {
386                // eCompressionFormat does not seem right.
387                found = true;
388                break;
389            }
390            if (portIndex == kPortIndexOutput
391                    && compressionFormat == format.eCompressionFormat) {
392                // eColorFormat does not seem right.
393                found = true;
394                break;
395            }
396        }
397
398        if (format.eCompressionFormat == compressionFormat
399            && format.eColorFormat == colorFormat) {
400            found = true;
401            break;
402        }
403
404        ++index;
405    }
406
407    if (!found) {
408        return UNKNOWN_ERROR;
409    }
410
411    LOGI("found a match.");
412    status_t err = mOMX->set_parameter(
413            mNode, OMX_IndexParamVideoPortFormat,
414            &format, sizeof(format));
415
416    return err;
417}
418
419void OMXCodec::setVideoInputFormat(
420        const char *mime, OMX_U32 width, OMX_U32 height) {
421    LOGI("setVideoInputFormat width=%ld, height=%ld", width, height);
422
423    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
424    if (!strcasecmp("video/avc", mime)) {
425        compressionFormat = OMX_VIDEO_CodingAVC;
426    } else if (!strcasecmp("video/mp4v-es", mime)) {
427        compressionFormat = OMX_VIDEO_CodingMPEG4;
428    } else if (!strcasecmp("video/3gpp", mime)) {
429        compressionFormat = OMX_VIDEO_CodingH263;
430    } else {
431        LOGE("Not a supported video mime type: %s", mime);
432        CHECK(!"Should not be here. Not a supported video mime type.");
433    }
434
435    OMX_COLOR_FORMATTYPE colorFormat =
436        0 ? OMX_COLOR_FormatYCbYCr : OMX_COLOR_FormatCbYCrY;
437
438    if (!strncmp("OMX.qcom.video.encoder.", mComponentName, 23)) {
439        colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
440    }
441
442    setVideoPortFormatType(
443            kPortIndexInput, OMX_VIDEO_CodingUnused,
444            colorFormat);
445
446    setVideoPortFormatType(
447            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
448
449    OMX_PARAM_PORTDEFINITIONTYPE def;
450    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
451
452    def.nSize = sizeof(def);
453    def.nVersion.s.nVersionMajor = 1;
454    def.nVersion.s.nVersionMinor = 1;
455    def.nPortIndex = kPortIndexOutput;
456
457    status_t err = mOMX->get_parameter(
458            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
459
460    CHECK_EQ(err, OK);
461    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
462
463    video_def->nFrameWidth = width;
464    video_def->nFrameHeight = height;
465
466    video_def->eCompressionFormat = compressionFormat;
467    video_def->eColorFormat = OMX_COLOR_FormatUnused;
468
469    err = mOMX->set_parameter(
470            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
471    CHECK_EQ(err, OK);
472
473    ////////////////////////////////////////////////////////////////////////////
474
475    def.nSize = sizeof(def);
476    def.nVersion.s.nVersionMajor = 1;
477    def.nVersion.s.nVersionMinor = 1;
478    def.nPortIndex = kPortIndexInput;
479
480    err = mOMX->get_parameter(
481            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
482    CHECK_EQ(err, OK);
483
484    def.nBufferSize = (width * height * 2); // (width * height * 3) / 2;
485    LOGI("setting nBufferSize = %ld", def.nBufferSize);
486
487    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
488
489    video_def->nFrameWidth = width;
490    video_def->nFrameHeight = height;
491    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
492    video_def->eColorFormat = colorFormat;
493
494    err = mOMX->set_parameter(
495            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
496    CHECK_EQ(err, OK);
497}
498
499void OMXCodec::setVideoOutputFormat(
500        const char *mime, OMX_U32 width, OMX_U32 height) {
501    LOGI("setVideoOutputFormat width=%ld, height=%ld", width, height);
502
503    // Enabling this code appears to be the right thing(tm), but,...
504    // the TI decoder then loses the ability to output YUV420 and only outputs
505    // YCbYCr (16bit)
506
507#if 1
508    if (!strcmp("OMX.TI.Video.Decoder", mComponentName)) {
509        OMX_PARAM_COMPONENTROLETYPE role;
510        role.nSize = sizeof(role);
511        role.nVersion.s.nVersionMajor = 1;
512        role.nVersion.s.nVersionMinor = 1;
513
514        if (!strcasecmp("video/avc", mime)) {
515            strncpy((char *)role.cRole, "video_decoder.avc",
516                    OMX_MAX_STRINGNAME_SIZE - 1);
517        } else if (!strcasecmp("video/mp4v-es", mime)) {
518            strncpy((char *)role.cRole, "video_decoder.mpeg4",
519                    OMX_MAX_STRINGNAME_SIZE - 1);
520        } else if (!strcasecmp("video/3gpp", mime)) {
521            strncpy((char *)role.cRole, "video_decoder.h263",
522                    OMX_MAX_STRINGNAME_SIZE - 1);
523        }
524
525        role.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
526
527        status_t err = mOMX->set_parameter(
528                mNode, OMX_IndexParamStandardComponentRole,
529                &role, sizeof(role));
530        CHECK_EQ(err, OK);
531    }
532#endif
533
534    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
535    if (!strcasecmp("video/avc", mime)) {
536        compressionFormat = OMX_VIDEO_CodingAVC;
537    } else if (!strcasecmp("video/mp4v-es", mime)) {
538        compressionFormat = OMX_VIDEO_CodingMPEG4;
539    } else if (!strcasecmp("video/3gpp", mime)) {
540        compressionFormat = OMX_VIDEO_CodingH263;
541    } else {
542        LOGE("Not a supported video mime type: %s", mime);
543        CHECK(!"Should not be here. Not a supported video mime type.");
544    }
545
546    setVideoPortFormatType(
547            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
548
549#if 1
550    {
551        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
552        format.nSize = sizeof(format);
553        format.nVersion.s.nVersionMajor = 1;
554        format.nVersion.s.nVersionMinor = 1;
555        format.nPortIndex = kPortIndexOutput;
556        format.nIndex = 0;
557
558        status_t err = mOMX->get_parameter(
559                mNode, OMX_IndexParamVideoPortFormat,
560                &format, sizeof(format));
561        CHECK_EQ(err, OK);
562        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
563
564        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
565
566        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
567               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
568               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
569               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
570
571        err = mOMX->set_parameter(
572                mNode, OMX_IndexParamVideoPortFormat,
573                &format, sizeof(format));
574        CHECK_EQ(err, OK);
575    }
576#endif
577
578    OMX_PARAM_PORTDEFINITIONTYPE def;
579    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
580
581    def.nSize = sizeof(def);
582    def.nVersion.s.nVersionMajor = 1;
583    def.nVersion.s.nVersionMinor = 1;
584    def.nPortIndex = kPortIndexInput;
585
586    status_t err = mOMX->get_parameter(
587            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
588
589    CHECK_EQ(err, OK);
590
591#if 1
592    // XXX Need a (much) better heuristic to compute input buffer sizes.
593    const size_t X = 64 * 1024;
594    if (def.nBufferSize < X) {
595        def.nBufferSize = X;
596    }
597#endif
598
599    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
600
601    video_def->nFrameWidth = width;
602    video_def->nFrameHeight = height;
603
604    video_def->eColorFormat = OMX_COLOR_FormatUnused;
605
606    err = mOMX->set_parameter(
607            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
608    CHECK_EQ(err, OK);
609
610    ////////////////////////////////////////////////////////////////////////////
611
612    def.nSize = sizeof(def);
613    def.nVersion.s.nVersionMajor = 1;
614    def.nVersion.s.nVersionMinor = 1;
615    def.nPortIndex = kPortIndexOutput;
616
617    err = mOMX->get_parameter(
618            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
619    CHECK_EQ(err, OK);
620    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
621
622#if 0
623    def.nBufferSize =
624        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
625#endif
626
627    video_def->nFrameWidth = width;
628    video_def->nFrameHeight = height;
629
630    err = mOMX->set_parameter(
631            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
632    CHECK_EQ(err, OK);
633}
634
635
636OMXCodec::OMXCodec(
637        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
638        bool isEncoder,
639        const char *mime,
640        const char *componentName,
641        const sp<MediaSource> &source)
642    : mOMX(omx),
643      mNode(node),
644      mQuirks(quirks),
645      mIsEncoder(isEncoder),
646      mMIME(strdup(mime)),
647      mComponentName(strdup(componentName)),
648      mSource(source),
649      mCodecSpecificDataIndex(0),
650      mState(LOADED),
651      mInitialBufferSubmit(true),
652      mSignalledEOS(false),
653      mNoMoreOutputData(false),
654      mSeekTimeUs(-1) {
655    mPortStatus[kPortIndexInput] = ENABLED;
656    mPortStatus[kPortIndexOutput] = ENABLED;
657
658    mObserver = new OMXCodecObserver(this);
659    mOMX->observe_node(mNode, mObserver);
660}
661
662OMXCodec::~OMXCodec() {
663    CHECK(mState == LOADED || mState == ERROR);
664
665    status_t err = mOMX->observe_node(mNode, NULL);
666    CHECK_EQ(err, OK);
667
668    err = mOMX->free_node(mNode);
669    CHECK_EQ(err, OK);
670
671    mNode = NULL;
672    setState(DEAD);
673
674    clearCodecSpecificData();
675
676    free(mComponentName);
677    mComponentName = NULL;
678
679    free(mMIME);
680    mMIME = NULL;
681}
682
683status_t OMXCodec::init() {
684    // mLock is held.
685
686    CHECK_EQ(mState, LOADED);
687
688    status_t err;
689    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
690        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
691        CHECK_EQ(err, OK);
692
693        setState(LOADED_TO_IDLE);
694    }
695
696    err = allocateBuffers();
697    CHECK_EQ(err, OK);
698
699    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
700        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
701        CHECK_EQ(err, OK);
702
703        setState(LOADED_TO_IDLE);
704    }
705
706    while (mState != EXECUTING && mState != ERROR) {
707        mAsyncCompletion.wait(mLock);
708    }
709
710    return mState == ERROR ? UNKNOWN_ERROR : OK;
711}
712
713// static
714bool OMXCodec::isIntermediateState(State state) {
715    return state == LOADED_TO_IDLE
716        || state == IDLE_TO_EXECUTING
717        || state == EXECUTING_TO_IDLE
718        || state == IDLE_TO_LOADED
719        || state == RECONFIGURING;
720}
721
722status_t OMXCodec::allocateBuffers() {
723    status_t err = allocateBuffersOnPort(kPortIndexInput);
724
725    if (err != OK) {
726        return err;
727    }
728
729    return allocateBuffersOnPort(kPortIndexOutput);
730}
731
732status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
733    OMX_PARAM_PORTDEFINITIONTYPE def;
734    def.nSize = sizeof(def);
735    def.nVersion.s.nVersionMajor = 1;
736    def.nVersion.s.nVersionMinor = 1;
737    def.nVersion.s.nRevision = 0;
738    def.nVersion.s.nStep = 0;
739    def.nPortIndex = portIndex;
740
741    status_t err = mOMX->get_parameter(
742            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
743
744    if (err != OK) {
745        return err;
746    }
747
748    size_t totalSize = def.nBufferCountActual * def.nBufferSize;
749    mDealer[portIndex] = new MemoryDealer(totalSize);
750
751    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
752        sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
753        CHECK(mem.get() != NULL);
754
755        IOMX::buffer_id buffer;
756        if (portIndex == kPortIndexInput
757                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
758            err = mOMX->allocate_buffer_with_backup(
759                    mNode, portIndex, mem, &buffer);
760        } else if (portIndex == kPortIndexOutput
761                && (mQuirks & kRequiresAllocateBufferOnOutputPorts)) {
762            err = mOMX->allocate_buffer(
763                    mNode, portIndex, def.nBufferSize, &buffer);
764        } else {
765            err = mOMX->use_buffer(mNode, portIndex, mem, &buffer);
766        }
767
768        if (err != OK) {
769            LOGE("allocate_buffer_with_backup failed");
770            return err;
771        }
772
773        BufferInfo info;
774        info.mBuffer = buffer;
775        info.mOwnedByComponent = false;
776        info.mMem = mem;
777        info.mMediaBuffer = NULL;
778
779        if (portIndex == kPortIndexOutput) {
780            info.mMediaBuffer = new MediaBuffer(mem->pointer(), mem->size());
781            info.mMediaBuffer->setObserver(this);
782        }
783
784        mPortBuffers[portIndex].push(info);
785
786        LOGV("allocated buffer %p on %s port", buffer,
787             portIndex == kPortIndexInput ? "input" : "output");
788    }
789
790    dumpPortStatus(portIndex);
791
792    return OK;
793}
794
795void OMXCodec::on_message(const omx_message &msg) {
796    Mutex::Autolock autoLock(mLock);
797
798    switch (msg.type) {
799        case omx_message::EVENT:
800        {
801            onEvent(
802                 msg.u.event_data.event, msg.u.event_data.data1,
803                 msg.u.event_data.data2);
804
805            break;
806        }
807
808        case omx_message::EMPTY_BUFFER_DONE:
809        {
810            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
811
812            LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
813
814            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
815            size_t i = 0;
816            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
817                ++i;
818            }
819
820            CHECK(i < buffers->size());
821            if (!(*buffers)[i].mOwnedByComponent) {
822                LOGW("We already own input buffer %p, yet received "
823                     "an EMPTY_BUFFER_DONE.", buffer);
824            }
825
826            buffers->editItemAt(i).mOwnedByComponent = false;
827
828            if (mPortStatus[kPortIndexInput] == DISABLING) {
829                LOGV("Port is disabled, freeing buffer %p", buffer);
830
831                status_t err =
832                    mOMX->free_buffer(mNode, kPortIndexInput, buffer);
833                CHECK_EQ(err, OK);
834
835                buffers->removeAt(i);
836            } else if (mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
837                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
838                drainInputBuffer(&buffers->editItemAt(i));
839            }
840
841            break;
842        }
843
844        case omx_message::FILL_BUFFER_DONE:
845        {
846            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
847            OMX_U32 flags = msg.u.extended_buffer_data.flags;
848
849            LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx)",
850                 buffer,
851                 msg.u.extended_buffer_data.range_length,
852                 flags);
853
854            LOGV("FILL_BUFFER_DONE(timestamp: %lld us (%.2f secs))",
855                 msg.u.extended_buffer_data.timestamp,
856                 msg.u.extended_buffer_data.timestamp / 1E6);
857
858            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
859            size_t i = 0;
860            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
861                ++i;
862            }
863
864            CHECK(i < buffers->size());
865            BufferInfo *info = &buffers->editItemAt(i);
866
867            if (!info->mOwnedByComponent) {
868                LOGW("We already own output buffer %p, yet received "
869                     "a FILL_BUFFER_DONE.", buffer);
870            }
871
872            info->mOwnedByComponent = false;
873
874            if (mPortStatus[kPortIndexOutput] == DISABLING) {
875                LOGV("Port is disabled, freeing buffer %p", buffer);
876
877                status_t err =
878                    mOMX->free_buffer(mNode, kPortIndexOutput, buffer);
879                CHECK_EQ(err, OK);
880
881                buffers->removeAt(i);
882            } else if (mPortStatus[kPortIndexOutput] == ENABLED
883                       && (flags & OMX_BUFFERFLAG_EOS)) {
884                LOGV("No more output data.");
885                mNoMoreOutputData = true;
886                mBufferFilled.signal();
887            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
888                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
889
890                MediaBuffer *buffer = info->mMediaBuffer;
891
892                buffer->set_range(
893                        msg.u.extended_buffer_data.range_offset,
894                        msg.u.extended_buffer_data.range_length);
895
896                buffer->meta_data()->clear();
897
898                buffer->meta_data()->setInt32(
899                        kKeyTimeUnits,
900                        (msg.u.extended_buffer_data.timestamp + 500) / 1000);
901
902                buffer->meta_data()->setInt32(
903                        kKeyTimeScale, 1000);
904
905                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
906                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
907                }
908
909                buffer->meta_data()->setPointer(
910                        kKeyPlatformPrivate,
911                        msg.u.extended_buffer_data.platform_private);
912
913                buffer->meta_data()->setPointer(
914                        kKeyBufferID,
915                        msg.u.extended_buffer_data.buffer);
916
917                mFilledBuffers.push_back(i);
918                mBufferFilled.signal();
919            }
920
921            break;
922        }
923
924        default:
925        {
926            CHECK(!"should not be here.");
927            break;
928        }
929    }
930}
931
932void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
933    switch (event) {
934        case OMX_EventCmdComplete:
935        {
936            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
937            break;
938        }
939
940        case OMX_EventError:
941        {
942            LOGE("ERROR(%ld, %ld)", data1, data2);
943
944            setState(ERROR);
945            break;
946        }
947
948        case OMX_EventPortSettingsChanged:
949        {
950            onPortSettingsChanged(data1);
951            break;
952        }
953
954        case OMX_EventBufferFlag:
955        {
956            LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
957
958            if (data1 == kPortIndexOutput) {
959                mNoMoreOutputData = true;
960            }
961            break;
962        }
963
964        default:
965        {
966            LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
967            break;
968        }
969    }
970}
971
972void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
973    switch (cmd) {
974        case OMX_CommandStateSet:
975        {
976            onStateChange((OMX_STATETYPE)data);
977            break;
978        }
979
980        case OMX_CommandPortDisable:
981        {
982            OMX_U32 portIndex = data;
983            LOGV("PORT_DISABLED(%ld)", portIndex);
984
985            CHECK(mState == EXECUTING || mState == RECONFIGURING);
986            CHECK_EQ(mPortStatus[portIndex], DISABLING);
987            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
988
989            mPortStatus[portIndex] = DISABLED;
990
991            if (mState == RECONFIGURING) {
992                CHECK_EQ(portIndex, kPortIndexOutput);
993
994                enablePortAsync(portIndex);
995
996                status_t err = allocateBuffersOnPort(portIndex);
997                CHECK_EQ(err, OK);
998            }
999            break;
1000        }
1001
1002        case OMX_CommandPortEnable:
1003        {
1004            OMX_U32 portIndex = data;
1005            LOGV("PORT_ENABLED(%ld)", portIndex);
1006
1007            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1008            CHECK_EQ(mPortStatus[portIndex], ENABLING);
1009
1010            mPortStatus[portIndex] = ENABLED;
1011
1012            if (mState == RECONFIGURING) {
1013                CHECK_EQ(portIndex, kPortIndexOutput);
1014
1015                setState(EXECUTING);
1016
1017                fillOutputBuffers();
1018            }
1019            break;
1020        }
1021
1022        case OMX_CommandFlush:
1023        {
1024            OMX_U32 portIndex = data;
1025
1026            LOGV("FLUSH_DONE(%ld)", portIndex);
1027
1028            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
1029            mPortStatus[portIndex] = ENABLED;
1030
1031            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
1032                     mPortBuffers[portIndex].size());
1033
1034            if (mState == RECONFIGURING) {
1035                CHECK_EQ(portIndex, kPortIndexOutput);
1036
1037                disablePortAsync(portIndex);
1038            } else if (mState == EXECUTING_TO_IDLE) {
1039                if (mPortStatus[kPortIndexInput] == ENABLED
1040                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1041                    LOGV("Finished flushing both ports, now completing "
1042                         "transition from EXECUTING to IDLE.");
1043
1044                    mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1045                    mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1046
1047                    status_t err =
1048                        mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
1049                    CHECK_EQ(err, OK);
1050                }
1051            } else {
1052                // We're flushing both ports in preparation for seeking.
1053
1054                if (mPortStatus[kPortIndexInput] == ENABLED
1055                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1056                    LOGV("Finished flushing both ports, now continuing from"
1057                         " seek-time.");
1058
1059                    drainInputBuffers();
1060                    fillOutputBuffers();
1061                }
1062            }
1063
1064            break;
1065        }
1066
1067        default:
1068        {
1069            LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1070            break;
1071        }
1072    }
1073}
1074
1075void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1076    switch (newState) {
1077        case OMX_StateIdle:
1078        {
1079            LOGV("Now Idle.");
1080            if (mState == LOADED_TO_IDLE) {
1081                status_t err = mOMX->send_command(
1082                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1083
1084                CHECK_EQ(err, OK);
1085
1086                setState(IDLE_TO_EXECUTING);
1087            } else {
1088                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1089
1090                CHECK_EQ(
1091                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1092                    mPortBuffers[kPortIndexInput].size());
1093
1094                CHECK_EQ(
1095                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1096                    mPortBuffers[kPortIndexOutput].size());
1097
1098                status_t err = mOMX->send_command(
1099                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1100
1101                CHECK_EQ(err, OK);
1102
1103                err = freeBuffersOnPort(kPortIndexInput);
1104                CHECK_EQ(err, OK);
1105
1106                err = freeBuffersOnPort(kPortIndexOutput);
1107                CHECK_EQ(err, OK);
1108
1109                mPortStatus[kPortIndexInput] = ENABLED;
1110                mPortStatus[kPortIndexOutput] = ENABLED;
1111
1112                setState(IDLE_TO_LOADED);
1113            }
1114            break;
1115        }
1116
1117        case OMX_StateExecuting:
1118        {
1119            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1120
1121            LOGV("Now Executing.");
1122
1123            setState(EXECUTING);
1124
1125            // Buffers will be submitted to the component in the first
1126            // call to OMXCodec::read as mInitialBufferSubmit is true at
1127            // this point. This ensures that this on_message call returns,
1128            // releases the lock and ::init can notice the state change and
1129            // itself return.
1130            break;
1131        }
1132
1133        case OMX_StateLoaded:
1134        {
1135            CHECK_EQ(mState, IDLE_TO_LOADED);
1136
1137            LOGV("Now Loaded.");
1138
1139            setState(LOADED);
1140            break;
1141        }
1142
1143        default:
1144        {
1145            CHECK(!"should not be here.");
1146            break;
1147        }
1148    }
1149}
1150
1151// static
1152size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1153    size_t n = 0;
1154    for (size_t i = 0; i < buffers.size(); ++i) {
1155        if (!buffers[i].mOwnedByComponent) {
1156            ++n;
1157        }
1158    }
1159
1160    return n;
1161}
1162
1163status_t OMXCodec::freeBuffersOnPort(
1164        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1165    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1166
1167    status_t stickyErr = OK;
1168
1169    for (size_t i = buffers->size(); i-- > 0;) {
1170        BufferInfo *info = &buffers->editItemAt(i);
1171
1172        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1173            continue;
1174        }
1175
1176        CHECK_EQ(info->mOwnedByComponent, false);
1177
1178        status_t err =
1179            mOMX->free_buffer(mNode, portIndex, info->mBuffer);
1180
1181        if (err != OK) {
1182            stickyErr = err;
1183        }
1184
1185        if (info->mMediaBuffer != NULL) {
1186            info->mMediaBuffer->setObserver(NULL);
1187
1188            // Make sure nobody but us owns this buffer at this point.
1189            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1190
1191            info->mMediaBuffer->release();
1192        }
1193
1194        buffers->removeAt(i);
1195    }
1196
1197    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1198
1199    return stickyErr;
1200}
1201
1202void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1203    LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1204
1205    CHECK_EQ(mState, EXECUTING);
1206    CHECK_EQ(portIndex, kPortIndexOutput);
1207    setState(RECONFIGURING);
1208
1209    if (mQuirks & kNeedsFlushBeforeDisable) {
1210        if (!flushPortAsync(portIndex)) {
1211            onCmdComplete(OMX_CommandFlush, portIndex);
1212        }
1213    } else {
1214        disablePortAsync(portIndex);
1215    }
1216}
1217
1218bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1219    CHECK(mState == EXECUTING || mState == RECONFIGURING
1220            || mState == EXECUTING_TO_IDLE);
1221
1222    LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
1223         portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
1224         mPortBuffers[portIndex].size());
1225
1226    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1227    mPortStatus[portIndex] = SHUTTING_DOWN;
1228
1229    if ((mQuirks & kRequiresFlushCompleteEmulation)
1230        && countBuffersWeOwn(mPortBuffers[portIndex])
1231                == mPortBuffers[portIndex].size()) {
1232        // No flush is necessary and this component fails to send a
1233        // flush-complete event in this case.
1234
1235        return false;
1236    }
1237
1238    status_t err =
1239        mOMX->send_command(mNode, OMX_CommandFlush, portIndex);
1240    CHECK_EQ(err, OK);
1241
1242    return true;
1243}
1244
1245void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1246    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1247
1248    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1249    mPortStatus[portIndex] = DISABLING;
1250
1251    status_t err =
1252        mOMX->send_command(mNode, OMX_CommandPortDisable, portIndex);
1253    CHECK_EQ(err, OK);
1254
1255    freeBuffersOnPort(portIndex, true);
1256}
1257
1258void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1259    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1260
1261    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1262    mPortStatus[portIndex] = ENABLING;
1263
1264    status_t err =
1265        mOMX->send_command(mNode, OMX_CommandPortEnable, portIndex);
1266    CHECK_EQ(err, OK);
1267}
1268
1269void OMXCodec::fillOutputBuffers() {
1270    CHECK_EQ(mState, EXECUTING);
1271
1272    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1273    for (size_t i = 0; i < buffers->size(); ++i) {
1274        fillOutputBuffer(&buffers->editItemAt(i));
1275    }
1276}
1277
1278void OMXCodec::drainInputBuffers() {
1279    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1280
1281    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1282    for (size_t i = 0; i < buffers->size(); ++i) {
1283        drainInputBuffer(&buffers->editItemAt(i));
1284    }
1285}
1286
1287void OMXCodec::drainInputBuffer(BufferInfo *info) {
1288    CHECK_EQ(info->mOwnedByComponent, false);
1289
1290    if (mSignalledEOS) {
1291        return;
1292    }
1293
1294    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1295        const CodecSpecificData *specific =
1296            mCodecSpecificData[mCodecSpecificDataIndex];
1297
1298        size_t size = specific->mSize;
1299
1300        if (!strcasecmp("video/avc", mMIME)
1301                && !(mQuirks & kWantsNALFragments)) {
1302            static const uint8_t kNALStartCode[4] =
1303                    { 0x00, 0x00, 0x00, 0x01 };
1304
1305            CHECK(info->mMem->size() >= specific->mSize + 4);
1306
1307            size += 4;
1308
1309            memcpy(info->mMem->pointer(), kNALStartCode, 4);
1310            memcpy((uint8_t *)info->mMem->pointer() + 4,
1311                   specific->mData, specific->mSize);
1312        } else {
1313            CHECK(info->mMem->size() >= specific->mSize);
1314            memcpy(info->mMem->pointer(), specific->mData, specific->mSize);
1315        }
1316
1317        mOMX->empty_buffer(
1318                mNode, info->mBuffer, 0, size,
1319                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1320                0);
1321
1322        info->mOwnedByComponent = true;
1323
1324        ++mCodecSpecificDataIndex;
1325        return;
1326    }
1327
1328    MediaBuffer *srcBuffer;
1329    status_t err;
1330    if (mSeekTimeUs >= 0) {
1331        MediaSource::ReadOptions options;
1332        options.setSeekTo(mSeekTimeUs);
1333        mSeekTimeUs = -1;
1334
1335        err = mSource->read(&srcBuffer, &options);
1336    } else {
1337        err = mSource->read(&srcBuffer);
1338    }
1339
1340    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
1341    OMX_TICKS timestamp = 0;
1342    size_t srcLength = 0;
1343
1344    if (err != OK) {
1345        LOGV("signalling end of input stream.");
1346        flags |= OMX_BUFFERFLAG_EOS;
1347
1348        mSignalledEOS = true;
1349    } else {
1350        srcLength = srcBuffer->range_length();
1351
1352        if (info->mMem->size() < srcLength) {
1353            LOGE("info->mMem->size() = %d, srcLength = %d",
1354                 info->mMem->size(), srcLength);
1355        }
1356        CHECK(info->mMem->size() >= srcLength);
1357        memcpy(info->mMem->pointer(),
1358               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
1359               srcLength);
1360
1361        int32_t units, scale;
1362        if (srcBuffer->meta_data()->findInt32(kKeyTimeUnits, &units)
1363            && srcBuffer->meta_data()->findInt32(kKeyTimeScale, &scale)) {
1364            timestamp = ((OMX_TICKS)units * 1000000) / scale;
1365
1366            LOGV("Calling empty_buffer on buffer %p (length %d)",
1367                 info->mBuffer, srcLength);
1368            LOGV("Calling empty_buffer with timestamp %lld us (%.2f secs)",
1369                 timestamp, timestamp / 1E6);
1370        }
1371    }
1372
1373    mOMX->empty_buffer(
1374            mNode, info->mBuffer, 0, srcLength,
1375            flags, timestamp);
1376
1377    info->mOwnedByComponent = true;
1378
1379    if (srcBuffer != NULL) {
1380        srcBuffer->release();
1381        srcBuffer = NULL;
1382    }
1383}
1384
1385void OMXCodec::fillOutputBuffer(BufferInfo *info) {
1386    CHECK_EQ(info->mOwnedByComponent, false);
1387
1388    if (mNoMoreOutputData) {
1389        LOGV("There is no more output data available, not "
1390             "calling fillOutputBuffer");
1391        return;
1392    }
1393
1394    LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
1395    mOMX->fill_buffer(mNode, info->mBuffer);
1396
1397    info->mOwnedByComponent = true;
1398}
1399
1400void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
1401    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1402    for (size_t i = 0; i < buffers->size(); ++i) {
1403        if ((*buffers)[i].mBuffer == buffer) {
1404            drainInputBuffer(&buffers->editItemAt(i));
1405            return;
1406        }
1407    }
1408
1409    CHECK(!"should not be here.");
1410}
1411
1412void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
1413    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1414    for (size_t i = 0; i < buffers->size(); ++i) {
1415        if ((*buffers)[i].mBuffer == buffer) {
1416            fillOutputBuffer(&buffers->editItemAt(i));
1417            return;
1418        }
1419    }
1420
1421    CHECK(!"should not be here.");
1422}
1423
1424void OMXCodec::setState(State newState) {
1425    mState = newState;
1426    mAsyncCompletion.signal();
1427
1428    // This may cause some spurious wakeups but is necessary to
1429    // unblock the reader if we enter ERROR state.
1430    mBufferFilled.signal();
1431}
1432
1433void OMXCodec::setAMRFormat() {
1434    if (!mIsEncoder) {
1435        OMX_AUDIO_PARAM_AMRTYPE def;
1436        def.nSize = sizeof(def);
1437        def.nVersion.s.nVersionMajor = 1;
1438        def.nVersion.s.nVersionMinor = 1;
1439        def.nPortIndex = kPortIndexInput;
1440
1441        status_t err =
1442            mOMX->get_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1443
1444        CHECK_EQ(err, OK);
1445
1446        def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1447        def.eAMRBandMode = OMX_AUDIO_AMRBandModeNB0;
1448
1449        err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1450        CHECK_EQ(err, OK);
1451    }
1452
1453    ////////////////////////
1454
1455    if (mIsEncoder) {
1456        sp<MetaData> format = mSource->getFormat();
1457        int32_t sampleRate;
1458        int32_t numChannels;
1459        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
1460        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
1461
1462        OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1463        pcmParams.nSize = sizeof(pcmParams);
1464        pcmParams.nVersion.s.nVersionMajor = 1;
1465        pcmParams.nVersion.s.nVersionMinor = 1;
1466        pcmParams.nPortIndex = kPortIndexInput;
1467
1468        status_t err = mOMX->get_parameter(
1469                mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1470
1471        CHECK_EQ(err, OK);
1472
1473        pcmParams.nChannels = numChannels;
1474        pcmParams.eNumData = OMX_NumericalDataSigned;
1475        pcmParams.bInterleaved = OMX_TRUE;
1476        pcmParams.nBitPerSample = 16;
1477        pcmParams.nSamplingRate = sampleRate;
1478        pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1479
1480        if (numChannels == 1) {
1481            pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
1482        } else {
1483            CHECK_EQ(numChannels, 2);
1484
1485            pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
1486            pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
1487        }
1488
1489        err = mOMX->set_parameter(
1490                mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1491
1492        CHECK_EQ(err, OK);
1493    }
1494}
1495
1496void OMXCodec::setAACFormat(int32_t numChannels, int32_t sampleRate) {
1497    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1498    profile.nSize = sizeof(profile);
1499    profile.nVersion.s.nVersionMajor = 1;
1500    profile.nVersion.s.nVersionMinor = 1;
1501    profile.nPortIndex = kPortIndexInput;
1502
1503    status_t err =
1504        mOMX->get_parameter(mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1505    CHECK_EQ(err, OK);
1506
1507    profile.nChannels = numChannels;
1508    profile.nSampleRate = sampleRate;
1509    profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
1510
1511    err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1512    CHECK_EQ(err, OK);
1513}
1514
1515void OMXCodec::setImageOutputFormat(
1516        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
1517    LOGV("setImageOutputFormat(%ld, %ld)", width, height);
1518
1519#if 0
1520    OMX_INDEXTYPE index;
1521    status_t err = mOMX->get_extension_index(
1522            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
1523    CHECK_EQ(err, OK);
1524
1525    err = mOMX->set_config(mNode, index, &format, sizeof(format));
1526    CHECK_EQ(err, OK);
1527#endif
1528
1529    OMX_PARAM_PORTDEFINITIONTYPE def;
1530    def.nSize = sizeof(def);
1531    def.nVersion.s.nVersionMajor = 1;
1532    def.nVersion.s.nVersionMinor = 1;
1533    def.nPortIndex = kPortIndexOutput;
1534
1535    status_t err = mOMX->get_parameter(
1536            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1537    CHECK_EQ(err, OK);
1538
1539    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1540
1541    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1542
1543    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
1544    imageDef->eColorFormat = format;
1545    imageDef->nFrameWidth = width;
1546    imageDef->nFrameHeight = height;
1547
1548    switch (format) {
1549        case OMX_COLOR_FormatYUV420PackedPlanar:
1550        case OMX_COLOR_FormatYUV411Planar:
1551        {
1552            def.nBufferSize = (width * height * 3) / 2;
1553            break;
1554        }
1555
1556        case OMX_COLOR_FormatCbYCrY:
1557        {
1558            def.nBufferSize = width * height * 2;
1559            break;
1560        }
1561
1562        case OMX_COLOR_Format32bitARGB8888:
1563        {
1564            def.nBufferSize = width * height * 4;
1565            break;
1566        }
1567
1568        default:
1569            CHECK(!"Should not be here. Unknown color format.");
1570            break;
1571    }
1572
1573    def.nBufferCountActual = def.nBufferCountMin;
1574
1575    err = mOMX->set_parameter(
1576            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1577    CHECK_EQ(err, OK);
1578}
1579
1580void OMXCodec::setJPEGInputFormat(
1581        OMX_U32 width, OMX_U32 height, OMX_U32 compressedSize) {
1582    OMX_PARAM_PORTDEFINITIONTYPE def;
1583    def.nSize = sizeof(def);
1584    def.nVersion.s.nVersionMajor = 1;
1585    def.nVersion.s.nVersionMinor = 1;
1586    def.nPortIndex = kPortIndexInput;
1587
1588    status_t err = mOMX->get_parameter(
1589            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1590    CHECK_EQ(err, OK);
1591
1592    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1593    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1594
1595    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
1596    imageDef->nFrameWidth = width;
1597    imageDef->nFrameHeight = height;
1598
1599    def.nBufferSize = compressedSize;
1600    def.nBufferCountActual = def.nBufferCountMin;
1601
1602    err = mOMX->set_parameter(
1603            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1604    CHECK_EQ(err, OK);
1605}
1606
1607void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
1608    CodecSpecificData *specific =
1609        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
1610
1611    specific->mSize = size;
1612    memcpy(specific->mData, data, size);
1613
1614    mCodecSpecificData.push(specific);
1615}
1616
1617void OMXCodec::clearCodecSpecificData() {
1618    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
1619        free(mCodecSpecificData.editItemAt(i));
1620    }
1621    mCodecSpecificData.clear();
1622    mCodecSpecificDataIndex = 0;
1623}
1624
1625status_t OMXCodec::start(MetaData *) {
1626    Mutex::Autolock autoLock(mLock);
1627
1628    if (mState != LOADED) {
1629        return UNKNOWN_ERROR;
1630    }
1631
1632    sp<MetaData> params = new MetaData;
1633    if (mQuirks & kWantsNALFragments) {
1634        params->setInt32(kKeyWantsNALFragments, true);
1635    }
1636    status_t err = mSource->start(params.get());
1637
1638    if (err != OK) {
1639        return err;
1640    }
1641
1642    mCodecSpecificDataIndex = 0;
1643    mInitialBufferSubmit = true;
1644    mSignalledEOS = false;
1645    mNoMoreOutputData = false;
1646    mSeekTimeUs = -1;
1647    mFilledBuffers.clear();
1648
1649    return init();
1650}
1651
1652status_t OMXCodec::stop() {
1653    LOGV("stop");
1654
1655    Mutex::Autolock autoLock(mLock);
1656
1657    while (isIntermediateState(mState)) {
1658        mAsyncCompletion.wait(mLock);
1659    }
1660
1661    switch (mState) {
1662        case LOADED:
1663        case ERROR:
1664            break;
1665
1666        case EXECUTING:
1667        {
1668            setState(EXECUTING_TO_IDLE);
1669
1670            if (mQuirks & kRequiresFlushBeforeShutdown) {
1671                LOGV("This component requires a flush before transitioning "
1672                     "from EXECUTING to IDLE...");
1673
1674                bool emulateInputFlushCompletion =
1675                    !flushPortAsync(kPortIndexInput);
1676
1677                bool emulateOutputFlushCompletion =
1678                    !flushPortAsync(kPortIndexOutput);
1679
1680                if (emulateInputFlushCompletion) {
1681                    onCmdComplete(OMX_CommandFlush, kPortIndexInput);
1682                }
1683
1684                if (emulateOutputFlushCompletion) {
1685                    onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
1686                }
1687            } else {
1688                mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1689                mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1690
1691                status_t err =
1692                    mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
1693                CHECK_EQ(err, OK);
1694            }
1695
1696            while (mState != LOADED && mState != ERROR) {
1697                mAsyncCompletion.wait(mLock);
1698            }
1699
1700            break;
1701        }
1702
1703        default:
1704        {
1705            CHECK(!"should not be here.");
1706            break;
1707        }
1708    }
1709
1710    mSource->stop();
1711
1712    return OK;
1713}
1714
1715sp<MetaData> OMXCodec::getFormat() {
1716    return mOutputFormat;
1717}
1718
1719status_t OMXCodec::read(
1720        MediaBuffer **buffer, const ReadOptions *options) {
1721    *buffer = NULL;
1722
1723    Mutex::Autolock autoLock(mLock);
1724
1725    if (mState != EXECUTING && mState != RECONFIGURING) {
1726        return UNKNOWN_ERROR;
1727    }
1728
1729    if (mInitialBufferSubmit) {
1730        mInitialBufferSubmit = false;
1731
1732        drainInputBuffers();
1733
1734        if (mState == EXECUTING) {
1735            // Otherwise mState == RECONFIGURING and this code will trigger
1736            // after the output port is reenabled.
1737            fillOutputBuffers();
1738        }
1739    }
1740
1741    int64_t seekTimeUs;
1742    if (options && options->getSeekTo(&seekTimeUs)) {
1743        LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
1744
1745        mSignalledEOS = false;
1746        mNoMoreOutputData = false;
1747
1748        CHECK(seekTimeUs >= 0);
1749        mSeekTimeUs = seekTimeUs;
1750
1751        mFilledBuffers.clear();
1752
1753        CHECK_EQ(mState, EXECUTING);
1754
1755        bool emulateInputFlushCompletion = !flushPortAsync(kPortIndexInput);
1756        bool emulateOutputFlushCompletion = !flushPortAsync(kPortIndexOutput);
1757
1758        if (emulateInputFlushCompletion) {
1759            onCmdComplete(OMX_CommandFlush, kPortIndexInput);
1760        }
1761
1762        if (emulateOutputFlushCompletion) {
1763            onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
1764        }
1765    }
1766
1767    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
1768        mBufferFilled.wait(mLock);
1769    }
1770
1771    if (mState == ERROR) {
1772        return UNKNOWN_ERROR;
1773    }
1774
1775    if (mFilledBuffers.empty()) {
1776        return ERROR_END_OF_STREAM;
1777    }
1778
1779    size_t index = *mFilledBuffers.begin();
1780    mFilledBuffers.erase(mFilledBuffers.begin());
1781
1782    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
1783    info->mMediaBuffer->add_ref();
1784    *buffer = info->mMediaBuffer;
1785
1786    return OK;
1787}
1788
1789void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
1790    Mutex::Autolock autoLock(mLock);
1791
1792    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1793    for (size_t i = 0; i < buffers->size(); ++i) {
1794        BufferInfo *info = &buffers->editItemAt(i);
1795
1796        if (info->mMediaBuffer == buffer) {
1797            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1798            fillOutputBuffer(info);
1799            return;
1800        }
1801    }
1802
1803    CHECK(!"should not be here.");
1804}
1805
1806static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
1807    static const char *kNames[] = {
1808        "OMX_IMAGE_CodingUnused",
1809        "OMX_IMAGE_CodingAutoDetect",
1810        "OMX_IMAGE_CodingJPEG",
1811        "OMX_IMAGE_CodingJPEG2K",
1812        "OMX_IMAGE_CodingEXIF",
1813        "OMX_IMAGE_CodingTIFF",
1814        "OMX_IMAGE_CodingGIF",
1815        "OMX_IMAGE_CodingPNG",
1816        "OMX_IMAGE_CodingLZW",
1817        "OMX_IMAGE_CodingBMP",
1818    };
1819
1820    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1821
1822    if (type < 0 || (size_t)type >= numNames) {
1823        return "UNKNOWN";
1824    } else {
1825        return kNames[type];
1826    }
1827}
1828
1829static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
1830    static const char *kNames[] = {
1831        "OMX_COLOR_FormatUnused",
1832        "OMX_COLOR_FormatMonochrome",
1833        "OMX_COLOR_Format8bitRGB332",
1834        "OMX_COLOR_Format12bitRGB444",
1835        "OMX_COLOR_Format16bitARGB4444",
1836        "OMX_COLOR_Format16bitARGB1555",
1837        "OMX_COLOR_Format16bitRGB565",
1838        "OMX_COLOR_Format16bitBGR565",
1839        "OMX_COLOR_Format18bitRGB666",
1840        "OMX_COLOR_Format18bitARGB1665",
1841        "OMX_COLOR_Format19bitARGB1666",
1842        "OMX_COLOR_Format24bitRGB888",
1843        "OMX_COLOR_Format24bitBGR888",
1844        "OMX_COLOR_Format24bitARGB1887",
1845        "OMX_COLOR_Format25bitARGB1888",
1846        "OMX_COLOR_Format32bitBGRA8888",
1847        "OMX_COLOR_Format32bitARGB8888",
1848        "OMX_COLOR_FormatYUV411Planar",
1849        "OMX_COLOR_FormatYUV411PackedPlanar",
1850        "OMX_COLOR_FormatYUV420Planar",
1851        "OMX_COLOR_FormatYUV420PackedPlanar",
1852        "OMX_COLOR_FormatYUV420SemiPlanar",
1853        "OMX_COLOR_FormatYUV422Planar",
1854        "OMX_COLOR_FormatYUV422PackedPlanar",
1855        "OMX_COLOR_FormatYUV422SemiPlanar",
1856        "OMX_COLOR_FormatYCbYCr",
1857        "OMX_COLOR_FormatYCrYCb",
1858        "OMX_COLOR_FormatCbYCrY",
1859        "OMX_COLOR_FormatCrYCbY",
1860        "OMX_COLOR_FormatYUV444Interleaved",
1861        "OMX_COLOR_FormatRawBayer8bit",
1862        "OMX_COLOR_FormatRawBayer10bit",
1863        "OMX_COLOR_FormatRawBayer8bitcompressed",
1864        "OMX_COLOR_FormatL2",
1865        "OMX_COLOR_FormatL4",
1866        "OMX_COLOR_FormatL8",
1867        "OMX_COLOR_FormatL16",
1868        "OMX_COLOR_FormatL24",
1869        "OMX_COLOR_FormatL32",
1870        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
1871        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
1872        "OMX_COLOR_Format18BitBGR666",
1873        "OMX_COLOR_Format24BitARGB6666",
1874        "OMX_COLOR_Format24BitABGR6666",
1875    };
1876
1877    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1878
1879    static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
1880
1881    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
1882        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
1883    } else if (type < 0 || (size_t)type >= numNames) {
1884        return "UNKNOWN";
1885    } else {
1886        return kNames[type];
1887    }
1888}
1889
1890static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
1891    static const char *kNames[] = {
1892        "OMX_VIDEO_CodingUnused",
1893        "OMX_VIDEO_CodingAutoDetect",
1894        "OMX_VIDEO_CodingMPEG2",
1895        "OMX_VIDEO_CodingH263",
1896        "OMX_VIDEO_CodingMPEG4",
1897        "OMX_VIDEO_CodingWMV",
1898        "OMX_VIDEO_CodingRV",
1899        "OMX_VIDEO_CodingAVC",
1900        "OMX_VIDEO_CodingMJPEG",
1901    };
1902
1903    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1904
1905    if (type < 0 || (size_t)type >= numNames) {
1906        return "UNKNOWN";
1907    } else {
1908        return kNames[type];
1909    }
1910}
1911
1912static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
1913    static const char *kNames[] = {
1914        "OMX_AUDIO_CodingUnused",
1915        "OMX_AUDIO_CodingAutoDetect",
1916        "OMX_AUDIO_CodingPCM",
1917        "OMX_AUDIO_CodingADPCM",
1918        "OMX_AUDIO_CodingAMR",
1919        "OMX_AUDIO_CodingGSMFR",
1920        "OMX_AUDIO_CodingGSMEFR",
1921        "OMX_AUDIO_CodingGSMHR",
1922        "OMX_AUDIO_CodingPDCFR",
1923        "OMX_AUDIO_CodingPDCEFR",
1924        "OMX_AUDIO_CodingPDCHR",
1925        "OMX_AUDIO_CodingTDMAFR",
1926        "OMX_AUDIO_CodingTDMAEFR",
1927        "OMX_AUDIO_CodingQCELP8",
1928        "OMX_AUDIO_CodingQCELP13",
1929        "OMX_AUDIO_CodingEVRC",
1930        "OMX_AUDIO_CodingSMV",
1931        "OMX_AUDIO_CodingG711",
1932        "OMX_AUDIO_CodingG723",
1933        "OMX_AUDIO_CodingG726",
1934        "OMX_AUDIO_CodingG729",
1935        "OMX_AUDIO_CodingAAC",
1936        "OMX_AUDIO_CodingMP3",
1937        "OMX_AUDIO_CodingSBC",
1938        "OMX_AUDIO_CodingVORBIS",
1939        "OMX_AUDIO_CodingWMA",
1940        "OMX_AUDIO_CodingRA",
1941        "OMX_AUDIO_CodingMIDI",
1942    };
1943
1944    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1945
1946    if (type < 0 || (size_t)type >= numNames) {
1947        return "UNKNOWN";
1948    } else {
1949        return kNames[type];
1950    }
1951}
1952
1953static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
1954    static const char *kNames[] = {
1955        "OMX_AUDIO_PCMModeLinear",
1956        "OMX_AUDIO_PCMModeALaw",
1957        "OMX_AUDIO_PCMModeMULaw",
1958    };
1959
1960    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1961
1962    if (type < 0 || (size_t)type >= numNames) {
1963        return "UNKNOWN";
1964    } else {
1965        return kNames[type];
1966    }
1967}
1968
1969
1970void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
1971    OMX_PARAM_PORTDEFINITIONTYPE def;
1972    def.nSize = sizeof(def);
1973    def.nVersion.s.nVersionMajor = 1;
1974    def.nVersion.s.nVersionMinor = 1;
1975    def.nPortIndex = portIndex;
1976
1977    status_t err = mOMX->get_parameter(
1978            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1979    CHECK_EQ(err, OK);
1980
1981    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
1982
1983    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
1984          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
1985
1986    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
1987    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
1988    printf("  nBufferSize = %ld\n", def.nBufferSize);
1989
1990    switch (def.eDomain) {
1991        case OMX_PortDomainImage:
1992        {
1993            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1994
1995            printf("\n");
1996            printf("  // Image\n");
1997            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
1998            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
1999            printf("  nStride = %ld\n", imageDef->nStride);
2000
2001            printf("  eCompressionFormat = %s\n",
2002                   imageCompressionFormatString(imageDef->eCompressionFormat));
2003
2004            printf("  eColorFormat = %s\n",
2005                   colorFormatString(imageDef->eColorFormat));
2006
2007            break;
2008        }
2009
2010        case OMX_PortDomainVideo:
2011        {
2012            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2013
2014            printf("\n");
2015            printf("  // Video\n");
2016            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
2017            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
2018            printf("  nStride = %ld\n", videoDef->nStride);
2019
2020            printf("  eCompressionFormat = %s\n",
2021                   videoCompressionFormatString(videoDef->eCompressionFormat));
2022
2023            printf("  eColorFormat = %s\n",
2024                   colorFormatString(videoDef->eColorFormat));
2025
2026            break;
2027        }
2028
2029        case OMX_PortDomainAudio:
2030        {
2031            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2032
2033            printf("\n");
2034            printf("  // Audio\n");
2035            printf("  eEncoding = %s\n",
2036                   audioCodingTypeString(audioDef->eEncoding));
2037
2038            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
2039                OMX_AUDIO_PARAM_PCMMODETYPE params;
2040                params.nSize = sizeof(params);
2041                params.nVersion.s.nVersionMajor = 1;
2042                params.nVersion.s.nVersionMinor = 1;
2043                params.nPortIndex = portIndex;
2044
2045                err = mOMX->get_parameter(
2046                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2047                CHECK_EQ(err, OK);
2048
2049                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
2050                printf("  nChannels = %ld\n", params.nChannels);
2051                printf("  bInterleaved = %d\n", params.bInterleaved);
2052                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
2053
2054                printf("  eNumData = %s\n",
2055                       params.eNumData == OMX_NumericalDataSigned
2056                        ? "signed" : "unsigned");
2057
2058                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
2059            }
2060
2061            break;
2062        }
2063
2064        default:
2065        {
2066            printf("  // Unknown\n");
2067            break;
2068        }
2069    }
2070
2071    printf("}\n");
2072}
2073
2074void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
2075    mOutputFormat = new MetaData;
2076    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
2077
2078    OMX_PARAM_PORTDEFINITIONTYPE def;
2079    def.nSize = sizeof(def);
2080    def.nVersion.s.nVersionMajor = 1;
2081    def.nVersion.s.nVersionMinor = 1;
2082    def.nPortIndex = kPortIndexOutput;
2083
2084    status_t err = mOMX->get_parameter(
2085            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2086    CHECK_EQ(err, OK);
2087
2088    switch (def.eDomain) {
2089        case OMX_PortDomainImage:
2090        {
2091            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2092            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2093
2094            mOutputFormat->setCString(kKeyMIMEType, "image/raw");
2095            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
2096            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
2097            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
2098            break;
2099        }
2100
2101        case OMX_PortDomainAudio:
2102        {
2103            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
2104
2105            CHECK_EQ(audio_def->eEncoding, OMX_AUDIO_CodingPCM);
2106
2107            OMX_AUDIO_PARAM_PCMMODETYPE params;
2108            params.nSize = sizeof(params);
2109            params.nVersion.s.nVersionMajor = 1;
2110            params.nVersion.s.nVersionMinor = 1;
2111            params.nPortIndex = kPortIndexOutput;
2112
2113            err = mOMX->get_parameter(
2114                    mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2115            CHECK_EQ(err, OK);
2116
2117            CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
2118            CHECK_EQ(params.nBitPerSample, 16);
2119            CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
2120
2121            int32_t numChannels, sampleRate;
2122            inputFormat->findInt32(kKeyChannelCount, &numChannels);
2123            inputFormat->findInt32(kKeySampleRate, &sampleRate);
2124
2125            if ((OMX_U32)numChannels != params.nChannels) {
2126                LOGW("Codec outputs a different number of channels than "
2127                     "the input stream contains.");
2128            }
2129
2130            mOutputFormat->setCString(kKeyMIMEType, "audio/raw");
2131
2132            // Use the codec-advertised number of channels, as some
2133            // codecs appear to output stereo even if the input data is
2134            // mono.
2135            mOutputFormat->setInt32(kKeyChannelCount, params.nChannels);
2136
2137            // The codec-reported sampleRate is not reliable...
2138            mOutputFormat->setInt32(kKeySampleRate, sampleRate);
2139            break;
2140        }
2141
2142        case OMX_PortDomainVideo:
2143        {
2144            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2145
2146            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
2147                mOutputFormat->setCString(kKeyMIMEType, "video/raw");
2148            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
2149                mOutputFormat->setCString(kKeyMIMEType, "video/mp4v-es");
2150            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
2151                mOutputFormat->setCString(kKeyMIMEType, "video/3gpp");
2152            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
2153                mOutputFormat->setCString(kKeyMIMEType, "video/avc");
2154            } else {
2155                CHECK(!"Unknown compression format.");
2156            }
2157
2158            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
2159                // This component appears to be lying to me.
2160                mOutputFormat->setInt32(
2161                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
2162                mOutputFormat->setInt32(
2163                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
2164            } else {
2165                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
2166                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
2167            }
2168
2169            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
2170            break;
2171        }
2172
2173        default:
2174        {
2175            CHECK(!"should not be here, neither audio nor video.");
2176            break;
2177        }
2178    }
2179}
2180
2181}  // namespace android
2182