OMXCodec.cpp revision 0c89199745bc1bf05b997fc7c342017807676b6f 
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    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
199        quirks |= kRequiresLoadedToIdleAfterAllocation;
200        quirks |= kRequiresAllocateBufferOnInputPorts;
201    }
202
203    sp<OMXCodec> codec = new OMXCodec(
204            omx, node, quirks, createEncoder, mime, componentName,
205            source);
206
207    uint32_t type;
208    const void *data;
209    size_t size;
210    if (meta->findData(kKeyESDS, &type, &data, &size)) {
211        ESDS esds((const char *)data, size);
212        CHECK_EQ(esds.InitCheck(), OK);
213
214        const void *codec_specific_data;
215        size_t codec_specific_data_size;
216        esds.getCodecSpecificInfo(
217                &codec_specific_data, &codec_specific_data_size);
218
219        printf("found codec-specific data of size %d\n",
220               codec_specific_data_size);
221
222        codec->addCodecSpecificData(
223                codec_specific_data, codec_specific_data_size);
224    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
225        printf("found avcc of size %d\n", size);
226
227        // Parse the AVCDecoderConfigurationRecord
228
229        const uint8_t *ptr = (const uint8_t *)data;
230
231        CHECK(size >= 7);
232        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
233        uint8_t profile = ptr[1];
234        uint8_t level = ptr[3];
235
236        CHECK((ptr[4] >> 2) == 0x3f);  // reserved
237
238        size_t lengthSize = 1 + (ptr[4] & 3);
239
240        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
241        // violates it...
242        // CHECK((ptr[5] >> 5) == 7);  // reserved
243
244        size_t numSeqParameterSets = ptr[5] & 31;
245
246        ptr += 6;
247        size -= 6;
248
249        for (size_t i = 0; i < numSeqParameterSets; ++i) {
250            CHECK(size >= 2);
251            size_t length = U16_AT(ptr);
252
253            ptr += 2;
254            size -= 2;
255
256            CHECK(size >= length);
257
258            codec->addCodecSpecificData(ptr, length);
259
260            ptr += length;
261            size -= length;
262        }
263
264        CHECK(size >= 1);
265        size_t numPictureParameterSets = *ptr;
266        ++ptr;
267        --size;
268
269        for (size_t i = 0; i < numPictureParameterSets; ++i) {
270            CHECK(size >= 2);
271            size_t length = U16_AT(ptr);
272
273            ptr += 2;
274            size -= 2;
275
276            CHECK(size >= length);
277
278            codec->addCodecSpecificData(ptr, length);
279
280            ptr += length;
281            size -= length;
282        }
283
284        LOGI("AVC profile = %d (%s), level = %d",
285             (int)profile, AVCProfileToString(profile), (int)level / 10);
286
287        if (!strcmp(componentName, "OMX.TI.Video.Decoder")
288            && (profile != kAVCProfileBaseline || level > 39)) {
289            // This stream exceeds the decoder's capabilities.
290
291            LOGE("Profile and/or level exceed the decoder's capabilities.");
292            return NULL;
293        }
294    }
295
296    if (!strcasecmp("audio/3gpp", mime)) {
297        codec->setAMRFormat();
298    }
299    if (!createEncoder && !strcasecmp("audio/mp4a-latm", mime)) {
300        codec->setAACFormat();
301    }
302    if (!strncasecmp(mime, "video/", 6)) {
303        int32_t width, height;
304        bool success = meta->findInt32(kKeyWidth, &width);
305        success = success && meta->findInt32(kKeyHeight, &height);
306        CHECK(success);
307
308        if (createEncoder) {
309            codec->setVideoInputFormat(mime, width, height);
310        } else {
311            codec->setVideoOutputFormat(mime, width, height);
312        }
313    }
314    if (!strcasecmp(mime, "image/jpeg")
315        && !strcmp(componentName, "OMX.TI.JPEG.decode")) {
316        OMX_COLOR_FORMATTYPE format =
317            OMX_COLOR_Format32bitARGB8888;
318            // OMX_COLOR_FormatYUV420PackedPlanar;
319            // OMX_COLOR_FormatCbYCrY;
320            // OMX_COLOR_FormatYUV411Planar;
321
322        int32_t width, height;
323        bool success = meta->findInt32(kKeyWidth, &width);
324        success = success && meta->findInt32(kKeyHeight, &height);
325
326        int32_t compressedSize;
327        success = success && meta->findInt32(
328                kKeyCompressedSize, &compressedSize);
329
330        CHECK(success);
331        CHECK(compressedSize > 0);
332
333        codec->setImageOutputFormat(format, width, height);
334        codec->setJPEGInputFormat(width, height, (OMX_U32)compressedSize);
335    }
336
337    codec->initOutputFormat(meta);
338
339    return codec;
340}
341
342status_t OMXCodec::setVideoPortFormatType(
343        OMX_U32 portIndex,
344        OMX_VIDEO_CODINGTYPE compressionFormat,
345        OMX_COLOR_FORMATTYPE colorFormat) {
346    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
347    format.nSize = sizeof(format);
348    format.nVersion.s.nVersionMajor = 1;
349    format.nVersion.s.nVersionMinor = 1;
350    format.nPortIndex = portIndex;
351    format.nIndex = 0;
352    bool found = false;
353
354    OMX_U32 index = 0;
355    for (;;) {
356        format.nIndex = index;
357        status_t err = mOMX->get_parameter(
358                mNode, OMX_IndexParamVideoPortFormat,
359                &format, sizeof(format));
360
361        if (err != OK) {
362            return err;
363        }
364
365        // The following assertion is violated by TI's video decoder.
366        // CHECK_EQ(format.nIndex, index);
367
368#if 1
369        LOGI("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
370             portIndex,
371             index, format.eCompressionFormat, format.eColorFormat);
372#endif
373
374        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
375            if (portIndex == kPortIndexInput
376                    && colorFormat == format.eColorFormat) {
377                // eCompressionFormat does not seem right.
378                found = true;
379                break;
380            }
381            if (portIndex == kPortIndexOutput
382                    && compressionFormat == format.eCompressionFormat) {
383                // eColorFormat does not seem right.
384                found = true;
385                break;
386            }
387        }
388
389        if (format.eCompressionFormat == compressionFormat
390            && format.eColorFormat == colorFormat) {
391            found = true;
392            break;
393        }
394
395        ++index;
396    }
397
398    if (!found) {
399        return UNKNOWN_ERROR;
400    }
401
402    LOGI("found a match.");
403    status_t err = mOMX->set_parameter(
404            mNode, OMX_IndexParamVideoPortFormat,
405            &format, sizeof(format));
406
407    return err;
408}
409
410void OMXCodec::setVideoInputFormat(
411        const char *mime, OMX_U32 width, OMX_U32 height) {
412    LOGI("setVideoInputFormat width=%ld, height=%ld", width, height);
413
414    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
415    if (!strcasecmp("video/avc", mime)) {
416        compressionFormat = OMX_VIDEO_CodingAVC;
417    } else if (!strcasecmp("video/mp4v-es", mime)) {
418        compressionFormat = OMX_VIDEO_CodingMPEG4;
419    } else if (!strcasecmp("video/3gpp", mime)) {
420        compressionFormat = OMX_VIDEO_CodingH263;
421    } else {
422        LOGE("Not a supported video mime type: %s", mime);
423        CHECK(!"Should not be here. Not a supported video mime type.");
424    }
425
426    OMX_COLOR_FORMATTYPE colorFormat =
427        0 ? OMX_COLOR_FormatYCbYCr : OMX_COLOR_FormatCbYCrY;
428
429    if (!strncmp("OMX.qcom.video.encoder.", mComponentName, 23)) {
430        colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
431    }
432
433    setVideoPortFormatType(
434            kPortIndexInput, OMX_VIDEO_CodingUnused,
435            colorFormat);
436
437    setVideoPortFormatType(
438            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
439
440    OMX_PARAM_PORTDEFINITIONTYPE def;
441    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
442
443    def.nSize = sizeof(def);
444    def.nVersion.s.nVersionMajor = 1;
445    def.nVersion.s.nVersionMinor = 1;
446    def.nPortIndex = kPortIndexOutput;
447
448    status_t err = mOMX->get_parameter(
449            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
450
451    CHECK_EQ(err, OK);
452    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
453
454    video_def->nFrameWidth = width;
455    video_def->nFrameHeight = height;
456
457    video_def->eCompressionFormat = compressionFormat;
458    video_def->eColorFormat = OMX_COLOR_FormatUnused;
459
460    err = mOMX->set_parameter(
461            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
462    CHECK_EQ(err, OK);
463
464    ////////////////////////////////////////////////////////////////////////////
465
466    def.nSize = sizeof(def);
467    def.nVersion.s.nVersionMajor = 1;
468    def.nVersion.s.nVersionMinor = 1;
469    def.nPortIndex = kPortIndexInput;
470
471    err = mOMX->get_parameter(
472            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
473    CHECK_EQ(err, OK);
474
475    def.nBufferSize = (width * height * 2); // (width * height * 3) / 2;
476    LOGI("setting nBufferSize = %ld", def.nBufferSize);
477
478    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
479
480    video_def->nFrameWidth = width;
481    video_def->nFrameHeight = height;
482    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
483    video_def->eColorFormat = colorFormat;
484
485    err = mOMX->set_parameter(
486            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
487    CHECK_EQ(err, OK);
488}
489
490void OMXCodec::setVideoOutputFormat(
491        const char *mime, OMX_U32 width, OMX_U32 height) {
492    LOGI("setVideoOutputFormat width=%ld, height=%ld", width, height);
493
494    // Enabling this code appears to be the right thing(tm), but,...
495    // the TI decoder then loses the ability to output YUV420 and only outputs
496    // YCbYCr (16bit)
497#if 1
498    if (!strcmp("OMX.TI.Video.Decoder", mComponentName)
499        && !strcasecmp("video/avc", mime)) {
500        OMX_PARAM_COMPONENTROLETYPE role;
501        role.nSize = sizeof(role);
502        role.nVersion.s.nVersionMajor = 1;
503        role.nVersion.s.nVersionMinor = 1;
504        strncpy((char *)role.cRole, "video_decoder.avc",
505                OMX_MAX_STRINGNAME_SIZE - 1);
506        role.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
507
508        status_t err = mOMX->set_parameter(
509                mNode, OMX_IndexParamStandardComponentRole,
510                &role, sizeof(role));
511        CHECK_EQ(err, OK);
512    }
513#endif
514
515    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
516    if (!strcasecmp("video/avc", mime)) {
517        compressionFormat = OMX_VIDEO_CodingAVC;
518    } else if (!strcasecmp("video/mp4v-es", mime)) {
519        compressionFormat = OMX_VIDEO_CodingMPEG4;
520    } else if (!strcasecmp("video/3gpp", mime)) {
521        compressionFormat = OMX_VIDEO_CodingH263;
522    } else {
523        LOGE("Not a supported video mime type: %s", mime);
524        CHECK(!"Should not be here. Not a supported video mime type.");
525    }
526
527    setVideoPortFormatType(
528            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
529
530#if 1
531    {
532        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
533        format.nSize = sizeof(format);
534        format.nVersion.s.nVersionMajor = 1;
535        format.nVersion.s.nVersionMinor = 1;
536        format.nPortIndex = kPortIndexOutput;
537        format.nIndex = 0;
538
539        status_t err = mOMX->get_parameter(
540                mNode, OMX_IndexParamVideoPortFormat,
541                &format, sizeof(format));
542        CHECK_EQ(err, OK);
543        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
544
545        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
546
547        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
548               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
549               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
550               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
551
552        err = mOMX->set_parameter(
553                mNode, OMX_IndexParamVideoPortFormat,
554                &format, sizeof(format));
555        CHECK_EQ(err, OK);
556    }
557#endif
558
559    OMX_PARAM_PORTDEFINITIONTYPE def;
560    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
561
562    def.nSize = sizeof(def);
563    def.nVersion.s.nVersionMajor = 1;
564    def.nVersion.s.nVersionMinor = 1;
565    def.nPortIndex = kPortIndexInput;
566
567    status_t err = mOMX->get_parameter(
568            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
569
570    CHECK_EQ(err, OK);
571
572#if 1
573    // XXX Need a (much) better heuristic to compute input buffer sizes.
574    const size_t X = 64 * 1024;
575    if (def.nBufferSize < X) {
576        def.nBufferSize = X;
577    }
578#endif
579
580    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
581
582    video_def->nFrameWidth = width;
583    video_def->nFrameHeight = height;
584
585    video_def->eColorFormat = OMX_COLOR_FormatUnused;
586
587    err = mOMX->set_parameter(
588            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
589    CHECK_EQ(err, OK);
590
591    ////////////////////////////////////////////////////////////////////////////
592
593    def.nSize = sizeof(def);
594    def.nVersion.s.nVersionMajor = 1;
595    def.nVersion.s.nVersionMinor = 1;
596    def.nPortIndex = kPortIndexOutput;
597
598    err = mOMX->get_parameter(
599            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
600    CHECK_EQ(err, OK);
601    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
602
603#if 0
604    def.nBufferSize =
605        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
606#endif
607
608    video_def->nFrameWidth = width;
609    video_def->nFrameHeight = height;
610
611    err = mOMX->set_parameter(
612            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
613    CHECK_EQ(err, OK);
614}
615
616
617OMXCodec::OMXCodec(
618        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
619        bool isEncoder,
620        const char *mime,
621        const char *componentName,
622        const sp<MediaSource> &source)
623    : mOMX(omx),
624      mNode(node),
625      mQuirks(quirks),
626      mIsEncoder(isEncoder),
627      mMIME(strdup(mime)),
628      mComponentName(strdup(componentName)),
629      mSource(source),
630      mCodecSpecificDataIndex(0),
631      mState(LOADED),
632      mSignalledEOS(false),
633      mNoMoreOutputData(false),
634      mSeekTimeUs(-1) {
635    mPortStatus[kPortIndexInput] = ENABLED;
636    mPortStatus[kPortIndexOutput] = ENABLED;
637
638    mObserver = new OMXCodecObserver(this);
639    mOMX->observe_node(mNode, mObserver);
640}
641
642OMXCodec::~OMXCodec() {
643    CHECK(mState == LOADED || mState == ERROR);
644
645    status_t err = mOMX->observe_node(mNode, NULL);
646    CHECK_EQ(err, OK);
647
648    err = mOMX->free_node(mNode);
649    CHECK_EQ(err, OK);
650
651    mNode = NULL;
652    setState(DEAD);
653
654    clearCodecSpecificData();
655
656    free(mComponentName);
657    mComponentName = NULL;
658
659    free(mMIME);
660    mMIME = NULL;
661}
662
663status_t OMXCodec::init() {
664    Mutex::Autolock autoLock(mLock);
665
666    CHECK_EQ(mState, LOADED);
667
668    status_t err;
669    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
670        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
671        CHECK_EQ(err, OK);
672
673        setState(LOADED_TO_IDLE);
674    }
675
676    err = allocateBuffers();
677    CHECK_EQ(err, OK);
678
679    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
680        err = mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
681        CHECK_EQ(err, OK);
682
683        setState(LOADED_TO_IDLE);
684    }
685
686    while (mState != EXECUTING && mState != ERROR) {
687        mAsyncCompletion.wait(mLock);
688    }
689
690    return mState == ERROR ? UNKNOWN_ERROR : OK;
691}
692
693// static
694bool OMXCodec::isIntermediateState(State state) {
695    return state == LOADED_TO_IDLE
696        || state == IDLE_TO_EXECUTING
697        || state == EXECUTING_TO_IDLE
698        || state == IDLE_TO_LOADED
699        || state == RECONFIGURING;
700}
701
702status_t OMXCodec::allocateBuffers() {
703    status_t err = allocateBuffersOnPort(kPortIndexInput);
704
705    if (err != OK) {
706        return err;
707    }
708
709    return allocateBuffersOnPort(kPortIndexOutput);
710}
711
712status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
713    OMX_PARAM_PORTDEFINITIONTYPE def;
714    def.nSize = sizeof(def);
715    def.nVersion.s.nVersionMajor = 1;
716    def.nVersion.s.nVersionMinor = 1;
717    def.nVersion.s.nRevision = 0;
718    def.nVersion.s.nStep = 0;
719    def.nPortIndex = portIndex;
720
721    status_t err = mOMX->get_parameter(
722            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
723
724    if (err != OK) {
725        return err;
726    }
727
728    size_t totalSize = def.nBufferCountActual * def.nBufferSize;
729    mDealer[portIndex] = new MemoryDealer(totalSize);
730
731    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
732        sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
733        CHECK(mem.get() != NULL);
734
735        IOMX::buffer_id buffer;
736        if (portIndex == kPortIndexInput
737                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
738            err = mOMX->allocate_buffer_with_backup(
739                    mNode, portIndex, mem, &buffer);
740        } else if (portIndex == kPortIndexOutput
741                && (mQuirks & kRequiresAllocateBufferOnOutputPorts)) {
742            err = mOMX->allocate_buffer(
743                    mNode, portIndex, def.nBufferSize, &buffer);
744        } else {
745            err = mOMX->use_buffer(mNode, portIndex, mem, &buffer);
746        }
747
748        if (err != OK) {
749            LOGE("allocate_buffer_with_backup failed");
750            return err;
751        }
752
753        BufferInfo info;
754        info.mBuffer = buffer;
755        info.mOwnedByComponent = false;
756        info.mMem = mem;
757        info.mMediaBuffer = NULL;
758
759        if (portIndex == kPortIndexOutput) {
760            info.mMediaBuffer = new MediaBuffer(mem->pointer(), mem->size());
761            info.mMediaBuffer->setObserver(this);
762        }
763
764        mPortBuffers[portIndex].push(info);
765
766        LOGV("allocated buffer %p on %s port", buffer,
767             portIndex == kPortIndexInput ? "input" : "output");
768    }
769
770    dumpPortStatus(portIndex);
771
772    return OK;
773}
774
775void OMXCodec::on_message(const omx_message &msg) {
776    Mutex::Autolock autoLock(mLock);
777
778    switch (msg.type) {
779        case omx_message::EVENT:
780        {
781            onEvent(
782                 msg.u.event_data.event, msg.u.event_data.data1,
783                 msg.u.event_data.data2);
784
785            break;
786        }
787
788        case omx_message::EMPTY_BUFFER_DONE:
789        {
790            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
791
792            LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
793
794            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
795            size_t i = 0;
796            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
797                ++i;
798            }
799
800            CHECK(i < buffers->size());
801            if (!(*buffers)[i].mOwnedByComponent) {
802                LOGW("We already own input buffer %p, yet received "
803                     "an EMPTY_BUFFER_DONE.", buffer);
804            }
805
806            buffers->editItemAt(i).mOwnedByComponent = false;
807
808            if (mPortStatus[kPortIndexInput] == DISABLING) {
809                LOGV("Port is disabled, freeing buffer %p", buffer);
810
811                status_t err =
812                    mOMX->free_buffer(mNode, kPortIndexInput, buffer);
813                CHECK_EQ(err, OK);
814
815                buffers->removeAt(i);
816            } else if (mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
817                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
818                drainInputBuffer(&buffers->editItemAt(i));
819            }
820
821            break;
822        }
823
824        case omx_message::FILL_BUFFER_DONE:
825        {
826            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
827            OMX_U32 flags = msg.u.extended_buffer_data.flags;
828
829            LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx)",
830                 buffer,
831                 msg.u.extended_buffer_data.range_length,
832                 flags);
833
834            LOGV("FILL_BUFFER_DONE(timestamp: %lld us (%.2f secs))",
835                 msg.u.extended_buffer_data.timestamp,
836                 msg.u.extended_buffer_data.timestamp / 1E6);
837
838            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
839            size_t i = 0;
840            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
841                ++i;
842            }
843
844            CHECK(i < buffers->size());
845            BufferInfo *info = &buffers->editItemAt(i);
846
847            if (!info->mOwnedByComponent) {
848                LOGW("We already own output buffer %p, yet received "
849                     "a FILL_BUFFER_DONE.", buffer);
850            }
851
852            info->mOwnedByComponent = false;
853
854            if (mPortStatus[kPortIndexOutput] == DISABLING) {
855                LOGV("Port is disabled, freeing buffer %p", buffer);
856
857                status_t err =
858                    mOMX->free_buffer(mNode, kPortIndexOutput, buffer);
859                CHECK_EQ(err, OK);
860
861                buffers->removeAt(i);
862            } else if (mPortStatus[kPortIndexOutput] == ENABLED
863                       && (flags & OMX_BUFFERFLAG_EOS)) {
864                LOGV("No more output data.");
865                mNoMoreOutputData = true;
866                mBufferFilled.signal();
867            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
868                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
869
870                MediaBuffer *buffer = info->mMediaBuffer;
871
872                buffer->set_range(
873                        msg.u.extended_buffer_data.range_offset,
874                        msg.u.extended_buffer_data.range_length);
875
876                buffer->meta_data()->clear();
877
878                buffer->meta_data()->setInt32(
879                        kKeyTimeUnits,
880                        (msg.u.extended_buffer_data.timestamp + 500) / 1000);
881
882                buffer->meta_data()->setInt32(
883                        kKeyTimeScale, 1000);
884
885                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
886                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
887                }
888
889                buffer->meta_data()->setPointer(
890                        kKeyPlatformPrivate,
891                        msg.u.extended_buffer_data.platform_private);
892
893                buffer->meta_data()->setPointer(
894                        kKeyBufferID,
895                        msg.u.extended_buffer_data.buffer);
896
897                mFilledBuffers.push_back(i);
898                mBufferFilled.signal();
899            }
900
901            break;
902        }
903
904        default:
905        {
906            CHECK(!"should not be here.");
907            break;
908        }
909    }
910}
911
912void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
913    switch (event) {
914        case OMX_EventCmdComplete:
915        {
916            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
917            break;
918        }
919
920        case OMX_EventError:
921        {
922            LOGE("ERROR(%ld, %ld)", data1, data2);
923
924            setState(ERROR);
925            break;
926        }
927
928        case OMX_EventPortSettingsChanged:
929        {
930            onPortSettingsChanged(data1);
931            break;
932        }
933
934        case OMX_EventBufferFlag:
935        {
936            LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
937
938            if (data1 == kPortIndexOutput) {
939                mNoMoreOutputData = true;
940            }
941            break;
942        }
943
944        default:
945        {
946            LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
947            break;
948        }
949    }
950}
951
952void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
953    switch (cmd) {
954        case OMX_CommandStateSet:
955        {
956            onStateChange((OMX_STATETYPE)data);
957            break;
958        }
959
960        case OMX_CommandPortDisable:
961        {
962            OMX_U32 portIndex = data;
963            LOGV("PORT_DISABLED(%ld)", portIndex);
964
965            CHECK(mState == EXECUTING || mState == RECONFIGURING);
966            CHECK_EQ(mPortStatus[portIndex], DISABLING);
967            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
968
969            mPortStatus[portIndex] = DISABLED;
970
971            if (mState == RECONFIGURING) {
972                CHECK_EQ(portIndex, kPortIndexOutput);
973
974                enablePortAsync(portIndex);
975
976                status_t err = allocateBuffersOnPort(portIndex);
977                CHECK_EQ(err, OK);
978            }
979            break;
980        }
981
982        case OMX_CommandPortEnable:
983        {
984            OMX_U32 portIndex = data;
985            LOGV("PORT_ENABLED(%ld)", portIndex);
986
987            CHECK(mState == EXECUTING || mState == RECONFIGURING);
988            CHECK_EQ(mPortStatus[portIndex], ENABLING);
989
990            mPortStatus[portIndex] = ENABLED;
991
992            if (mState == RECONFIGURING) {
993                CHECK_EQ(portIndex, kPortIndexOutput);
994
995                setState(EXECUTING);
996
997                fillOutputBuffers();
998            }
999            break;
1000        }
1001
1002        case OMX_CommandFlush:
1003        {
1004            OMX_U32 portIndex = data;
1005
1006            LOGV("FLUSH_DONE(%ld)", portIndex);
1007
1008            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
1009            mPortStatus[portIndex] = ENABLED;
1010
1011            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
1012                     mPortBuffers[portIndex].size());
1013
1014            if (mState == RECONFIGURING) {
1015                CHECK_EQ(portIndex, kPortIndexOutput);
1016
1017                disablePortAsync(portIndex);
1018            } else {
1019                // We're flushing both ports in preparation for seeking.
1020
1021                if (mPortStatus[kPortIndexInput] == ENABLED
1022                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1023                    LOGV("Finished flushing both ports, now continuing from"
1024                         " seek-time.");
1025
1026                    drainInputBuffers();
1027                    fillOutputBuffers();
1028                }
1029            }
1030
1031            break;
1032        }
1033
1034        default:
1035        {
1036            LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1037            break;
1038        }
1039    }
1040}
1041
1042void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1043    switch (newState) {
1044        case OMX_StateIdle:
1045        {
1046            LOGV("Now Idle.");
1047            if (mState == LOADED_TO_IDLE) {
1048                status_t err = mOMX->send_command(
1049                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1050
1051                CHECK_EQ(err, OK);
1052
1053                setState(IDLE_TO_EXECUTING);
1054            } else {
1055                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1056
1057                CHECK_EQ(
1058                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1059                    mPortBuffers[kPortIndexInput].size());
1060
1061                CHECK_EQ(
1062                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1063                    mPortBuffers[kPortIndexOutput].size());
1064
1065                status_t err = mOMX->send_command(
1066                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1067
1068                CHECK_EQ(err, OK);
1069
1070                err = freeBuffersOnPort(kPortIndexInput);
1071                CHECK_EQ(err, OK);
1072
1073                err = freeBuffersOnPort(kPortIndexOutput);
1074                CHECK_EQ(err, OK);
1075
1076                mPortStatus[kPortIndexInput] = ENABLED;
1077                mPortStatus[kPortIndexOutput] = ENABLED;
1078
1079                setState(IDLE_TO_LOADED);
1080            }
1081            break;
1082        }
1083
1084        case OMX_StateExecuting:
1085        {
1086            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1087
1088            LOGV("Now Executing.");
1089
1090            setState(EXECUTING);
1091
1092            drainInputBuffers();
1093            fillOutputBuffers();
1094            break;
1095        }
1096
1097        case OMX_StateLoaded:
1098        {
1099            CHECK_EQ(mState, IDLE_TO_LOADED);
1100
1101            LOGV("Now Loaded.");
1102
1103            setState(LOADED);
1104            break;
1105        }
1106
1107        default:
1108        {
1109            CHECK(!"should not be here.");
1110            break;
1111        }
1112    }
1113}
1114
1115// static
1116size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1117    size_t n = 0;
1118    for (size_t i = 0; i < buffers.size(); ++i) {
1119        if (!buffers[i].mOwnedByComponent) {
1120            ++n;
1121        }
1122    }
1123
1124    return n;
1125}
1126
1127status_t OMXCodec::freeBuffersOnPort(
1128        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1129    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1130
1131    status_t stickyErr = OK;
1132
1133    for (size_t i = buffers->size(); i-- > 0;) {
1134        BufferInfo *info = &buffers->editItemAt(i);
1135
1136        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1137            continue;
1138        }
1139
1140        CHECK_EQ(info->mOwnedByComponent, false);
1141
1142        status_t err =
1143            mOMX->free_buffer(mNode, portIndex, info->mBuffer);
1144
1145        if (err != OK) {
1146            stickyErr = err;
1147        }
1148
1149        if (info->mMediaBuffer != NULL) {
1150            info->mMediaBuffer->setObserver(NULL);
1151
1152            // Make sure nobody but us owns this buffer at this point.
1153            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1154
1155            info->mMediaBuffer->release();
1156        }
1157
1158        buffers->removeAt(i);
1159    }
1160
1161    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1162
1163    return stickyErr;
1164}
1165
1166void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1167    LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1168
1169    CHECK_EQ(mState, EXECUTING);
1170    CHECK_EQ(portIndex, kPortIndexOutput);
1171    setState(RECONFIGURING);
1172
1173    if (mQuirks & kNeedsFlushBeforeDisable) {
1174        if (!flushPortAsync(portIndex)) {
1175            onCmdComplete(OMX_CommandFlush, portIndex);
1176        }
1177    } else {
1178        disablePortAsync(portIndex);
1179    }
1180}
1181
1182bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1183    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1184
1185    LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
1186         portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
1187         mPortBuffers[portIndex].size());
1188
1189    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1190    mPortStatus[portIndex] = SHUTTING_DOWN;
1191
1192    if ((mQuirks & kRequiresFlushCompleteEmulation)
1193        && countBuffersWeOwn(mPortBuffers[portIndex])
1194                == mPortBuffers[portIndex].size()) {
1195        // No flush is necessary and this component fails to send a
1196        // flush-complete event in this case.
1197
1198        return false;
1199    }
1200
1201    status_t err =
1202        mOMX->send_command(mNode, OMX_CommandFlush, portIndex);
1203    CHECK_EQ(err, OK);
1204
1205    return true;
1206}
1207
1208void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1209    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1210
1211    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1212    mPortStatus[portIndex] = DISABLING;
1213
1214    status_t err =
1215        mOMX->send_command(mNode, OMX_CommandPortDisable, portIndex);
1216    CHECK_EQ(err, OK);
1217
1218    freeBuffersOnPort(portIndex, true);
1219}
1220
1221void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1222    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1223
1224    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1225    mPortStatus[portIndex] = ENABLING;
1226
1227    status_t err =
1228        mOMX->send_command(mNode, OMX_CommandPortEnable, portIndex);
1229    CHECK_EQ(err, OK);
1230}
1231
1232void OMXCodec::fillOutputBuffers() {
1233    CHECK_EQ(mState, EXECUTING);
1234
1235    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1236    for (size_t i = 0; i < buffers->size(); ++i) {
1237        fillOutputBuffer(&buffers->editItemAt(i));
1238    }
1239}
1240
1241void OMXCodec::drainInputBuffers() {
1242    CHECK_EQ(mState, EXECUTING);
1243
1244    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1245    for (size_t i = 0; i < buffers->size(); ++i) {
1246        drainInputBuffer(&buffers->editItemAt(i));
1247    }
1248}
1249
1250void OMXCodec::drainInputBuffer(BufferInfo *info) {
1251    CHECK_EQ(info->mOwnedByComponent, false);
1252
1253    if (mSignalledEOS) {
1254        return;
1255    }
1256
1257    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1258        const CodecSpecificData *specific =
1259            mCodecSpecificData[mCodecSpecificDataIndex];
1260
1261        size_t size = specific->mSize;
1262
1263        if (!strcasecmp("video/avc", mMIME)
1264                && !(mQuirks & kWantsNALFragments)) {
1265            static const uint8_t kNALStartCode[4] =
1266                    { 0x00, 0x00, 0x00, 0x01 };
1267
1268            CHECK(info->mMem->size() >= specific->mSize + 4);
1269
1270            size += 4;
1271
1272            memcpy(info->mMem->pointer(), kNALStartCode, 4);
1273            memcpy((uint8_t *)info->mMem->pointer() + 4,
1274                   specific->mData, specific->mSize);
1275        } else {
1276            CHECK(info->mMem->size() >= specific->mSize);
1277            memcpy(info->mMem->pointer(), specific->mData, specific->mSize);
1278        }
1279
1280        mOMX->empty_buffer(
1281                mNode, info->mBuffer, 0, size,
1282                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1283                0);
1284
1285        info->mOwnedByComponent = true;
1286
1287        ++mCodecSpecificDataIndex;
1288        return;
1289    }
1290
1291    MediaBuffer *srcBuffer;
1292    status_t err;
1293    if (mSeekTimeUs >= 0) {
1294        MediaSource::ReadOptions options;
1295        options.setSeekTo(mSeekTimeUs);
1296        mSeekTimeUs = -1;
1297
1298        err = mSource->read(&srcBuffer, &options);
1299    } else {
1300        err = mSource->read(&srcBuffer);
1301    }
1302
1303    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
1304    OMX_TICKS timestamp = 0;
1305    size_t srcLength = 0;
1306
1307    if (err != OK) {
1308        LOGV("signalling end of input stream.");
1309        flags |= OMX_BUFFERFLAG_EOS;
1310
1311        mSignalledEOS = true;
1312    } else {
1313        srcLength = srcBuffer->range_length();
1314
1315        if (info->mMem->size() < srcLength) {
1316            LOGE("info->mMem->size() = %d, srcLength = %d",
1317                 info->mMem->size(), srcLength);
1318        }
1319        CHECK(info->mMem->size() >= srcLength);
1320        memcpy(info->mMem->pointer(),
1321               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
1322               srcLength);
1323
1324        int32_t units, scale;
1325        if (srcBuffer->meta_data()->findInt32(kKeyTimeUnits, &units)
1326            && srcBuffer->meta_data()->findInt32(kKeyTimeScale, &scale)) {
1327            timestamp = ((OMX_TICKS)units * 1000000) / scale;
1328
1329            LOGV("Calling empty_buffer on buffer %p (length %d)",
1330                 info->mBuffer, srcLength);
1331            LOGV("Calling empty_buffer with timestamp %lld us (%.2f secs)",
1332                 timestamp, timestamp / 1E6);
1333        }
1334    }
1335
1336    mOMX->empty_buffer(
1337            mNode, info->mBuffer, 0, srcLength,
1338            flags, timestamp);
1339
1340    info->mOwnedByComponent = true;
1341
1342    if (srcBuffer != NULL) {
1343        srcBuffer->release();
1344        srcBuffer = NULL;
1345    }
1346}
1347
1348void OMXCodec::fillOutputBuffer(BufferInfo *info) {
1349    CHECK_EQ(info->mOwnedByComponent, false);
1350
1351    if (mNoMoreOutputData) {
1352        LOGV("There is no more output data available, not "
1353             "calling fillOutputBuffer");
1354        return;
1355    }
1356
1357    LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
1358    mOMX->fill_buffer(mNode, info->mBuffer);
1359
1360    info->mOwnedByComponent = true;
1361}
1362
1363void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
1364    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1365    for (size_t i = 0; i < buffers->size(); ++i) {
1366        if ((*buffers)[i].mBuffer == buffer) {
1367            drainInputBuffer(&buffers->editItemAt(i));
1368            return;
1369        }
1370    }
1371
1372    CHECK(!"should not be here.");
1373}
1374
1375void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
1376    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1377    for (size_t i = 0; i < buffers->size(); ++i) {
1378        if ((*buffers)[i].mBuffer == buffer) {
1379            fillOutputBuffer(&buffers->editItemAt(i));
1380            return;
1381        }
1382    }
1383
1384    CHECK(!"should not be here.");
1385}
1386
1387void OMXCodec::setState(State newState) {
1388    mState = newState;
1389    mAsyncCompletion.signal();
1390
1391    // This may cause some spurious wakeups but is necessary to
1392    // unblock the reader if we enter ERROR state.
1393    mBufferFilled.signal();
1394}
1395
1396void OMXCodec::setAMRFormat() {
1397    if (!mIsEncoder) {
1398        OMX_AUDIO_PARAM_AMRTYPE def;
1399        def.nSize = sizeof(def);
1400        def.nVersion.s.nVersionMajor = 1;
1401        def.nVersion.s.nVersionMinor = 1;
1402        def.nPortIndex = kPortIndexInput;
1403
1404        status_t err =
1405            mOMX->get_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1406
1407        CHECK_EQ(err, OK);
1408
1409        def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1410        def.eAMRBandMode = OMX_AUDIO_AMRBandModeNB0;
1411
1412        err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1413        CHECK_EQ(err, OK);
1414    }
1415
1416    ////////////////////////
1417
1418    if (mIsEncoder) {
1419        sp<MetaData> format = mSource->getFormat();
1420        int32_t sampleRate;
1421        int32_t numChannels;
1422        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
1423        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
1424
1425        OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1426        pcmParams.nSize = sizeof(pcmParams);
1427        pcmParams.nVersion.s.nVersionMajor = 1;
1428        pcmParams.nVersion.s.nVersionMinor = 1;
1429        pcmParams.nPortIndex = kPortIndexInput;
1430
1431        status_t err = mOMX->get_parameter(
1432                mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1433
1434        CHECK_EQ(err, OK);
1435
1436        pcmParams.nChannels = numChannels;
1437        pcmParams.eNumData = OMX_NumericalDataSigned;
1438        pcmParams.bInterleaved = OMX_TRUE;
1439        pcmParams.nBitPerSample = 16;
1440        pcmParams.nSamplingRate = sampleRate;
1441        pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1442
1443        if (numChannels == 1) {
1444            pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
1445        } else {
1446            CHECK_EQ(numChannels, 2);
1447
1448            pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
1449            pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
1450        }
1451
1452        err = mOMX->set_parameter(
1453                mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1454
1455        CHECK_EQ(err, OK);
1456    }
1457}
1458
1459void OMXCodec::setAACFormat() {
1460    OMX_AUDIO_PARAM_AACPROFILETYPE def;
1461    def.nSize = sizeof(def);
1462    def.nVersion.s.nVersionMajor = 1;
1463    def.nVersion.s.nVersionMinor = 1;
1464    def.nPortIndex = kPortIndexInput;
1465
1466    status_t err =
1467        mOMX->get_parameter(mNode, OMX_IndexParamAudioAac, &def, sizeof(def));
1468    CHECK_EQ(err, OK);
1469
1470    def.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
1471
1472    err = mOMX->set_parameter(mNode, OMX_IndexParamAudioAac, &def, sizeof(def));
1473    CHECK_EQ(err, OK);
1474}
1475
1476void OMXCodec::setImageOutputFormat(
1477        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
1478    LOGV("setImageOutputFormat(%ld, %ld)", width, height);
1479
1480#if 0
1481    OMX_INDEXTYPE index;
1482    status_t err = mOMX->get_extension_index(
1483            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
1484    CHECK_EQ(err, OK);
1485
1486    err = mOMX->set_config(mNode, index, &format, sizeof(format));
1487    CHECK_EQ(err, OK);
1488#endif
1489
1490    OMX_PARAM_PORTDEFINITIONTYPE def;
1491    def.nSize = sizeof(def);
1492    def.nVersion.s.nVersionMajor = 1;
1493    def.nVersion.s.nVersionMinor = 1;
1494    def.nPortIndex = kPortIndexOutput;
1495
1496    status_t err = mOMX->get_parameter(
1497            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1498    CHECK_EQ(err, OK);
1499
1500    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1501
1502    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1503
1504    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
1505    imageDef->eColorFormat = format;
1506    imageDef->nFrameWidth = width;
1507    imageDef->nFrameHeight = height;
1508
1509    switch (format) {
1510        case OMX_COLOR_FormatYUV420PackedPlanar:
1511        case OMX_COLOR_FormatYUV411Planar:
1512        {
1513            def.nBufferSize = (width * height * 3) / 2;
1514            break;
1515        }
1516
1517        case OMX_COLOR_FormatCbYCrY:
1518        {
1519            def.nBufferSize = width * height * 2;
1520            break;
1521        }
1522
1523        case OMX_COLOR_Format32bitARGB8888:
1524        {
1525            def.nBufferSize = width * height * 4;
1526            break;
1527        }
1528
1529        default:
1530            CHECK(!"Should not be here. Unknown color format.");
1531            break;
1532    }
1533
1534    def.nBufferCountActual = def.nBufferCountMin;
1535
1536    err = mOMX->set_parameter(
1537            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1538    CHECK_EQ(err, OK);
1539}
1540
1541void OMXCodec::setJPEGInputFormat(
1542        OMX_U32 width, OMX_U32 height, OMX_U32 compressedSize) {
1543    OMX_PARAM_PORTDEFINITIONTYPE def;
1544    def.nSize = sizeof(def);
1545    def.nVersion.s.nVersionMajor = 1;
1546    def.nVersion.s.nVersionMinor = 1;
1547    def.nPortIndex = kPortIndexInput;
1548
1549    status_t err = mOMX->get_parameter(
1550            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1551    CHECK_EQ(err, OK);
1552
1553    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1554    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1555
1556    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
1557    imageDef->nFrameWidth = width;
1558    imageDef->nFrameHeight = height;
1559
1560    def.nBufferSize = compressedSize;
1561    def.nBufferCountActual = def.nBufferCountMin;
1562
1563    err = mOMX->set_parameter(
1564            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1565    CHECK_EQ(err, OK);
1566}
1567
1568void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
1569    CodecSpecificData *specific =
1570        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
1571
1572    specific->mSize = size;
1573    memcpy(specific->mData, data, size);
1574
1575    mCodecSpecificData.push(specific);
1576}
1577
1578void OMXCodec::clearCodecSpecificData() {
1579    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
1580        free(mCodecSpecificData.editItemAt(i));
1581    }
1582    mCodecSpecificData.clear();
1583    mCodecSpecificDataIndex = 0;
1584}
1585
1586status_t OMXCodec::start(MetaData *) {
1587    if (mState != LOADED) {
1588        return UNKNOWN_ERROR;
1589    }
1590
1591    sp<MetaData> params = new MetaData;
1592    if (mQuirks & kWantsNALFragments) {
1593        params->setInt32(kKeyWantsNALFragments, true);
1594    }
1595    status_t err = mSource->start(params.get());
1596
1597    if (err != OK) {
1598        return err;
1599    }
1600
1601    mCodecSpecificDataIndex = 0;
1602    mSignalledEOS = false;
1603    mNoMoreOutputData = false;
1604    mSeekTimeUs = -1;
1605    mFilledBuffers.clear();
1606
1607    return init();
1608}
1609
1610status_t OMXCodec::stop() {
1611    LOGV("stop");
1612
1613    Mutex::Autolock autoLock(mLock);
1614
1615    while (isIntermediateState(mState)) {
1616        mAsyncCompletion.wait(mLock);
1617    }
1618
1619    switch (mState) {
1620        case LOADED:
1621        case ERROR:
1622            break;
1623
1624        case EXECUTING:
1625        {
1626            setState(EXECUTING_TO_IDLE);
1627
1628            mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1629            mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1630
1631            status_t err =
1632                mOMX->send_command(mNode, OMX_CommandStateSet, OMX_StateIdle);
1633            CHECK_EQ(err, OK);
1634
1635            while (mState != LOADED && mState != ERROR) {
1636                mAsyncCompletion.wait(mLock);
1637            }
1638
1639            break;
1640        }
1641
1642        default:
1643        {
1644            CHECK(!"should not be here.");
1645            break;
1646        }
1647    }
1648
1649    mSource->stop();
1650
1651    return OK;
1652}
1653
1654sp<MetaData> OMXCodec::getFormat() {
1655    return mOutputFormat;
1656}
1657
1658status_t OMXCodec::read(
1659        MediaBuffer **buffer, const ReadOptions *options) {
1660    *buffer = NULL;
1661
1662    Mutex::Autolock autoLock(mLock);
1663
1664    if (mState != EXECUTING && mState != RECONFIGURING) {
1665        return UNKNOWN_ERROR;
1666    }
1667
1668    int64_t seekTimeUs;
1669    if (options && options->getSeekTo(&seekTimeUs)) {
1670        LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
1671
1672        mSignalledEOS = false;
1673        mNoMoreOutputData = false;
1674
1675        CHECK(seekTimeUs >= 0);
1676        mSeekTimeUs = seekTimeUs;
1677
1678        mFilledBuffers.clear();
1679
1680        CHECK_EQ(mState, EXECUTING);
1681
1682        bool emulateInputFlushCompletion = !flushPortAsync(kPortIndexInput);
1683        bool emulateOutputFlushCompletion = !flushPortAsync(kPortIndexOutput);
1684
1685        if (emulateInputFlushCompletion) {
1686            onCmdComplete(OMX_CommandFlush, kPortIndexInput);
1687        }
1688
1689        if (emulateOutputFlushCompletion) {
1690            onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
1691        }
1692    }
1693
1694    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
1695        mBufferFilled.wait(mLock);
1696    }
1697
1698    if (mState == ERROR) {
1699        return UNKNOWN_ERROR;
1700    }
1701
1702    if (mFilledBuffers.empty()) {
1703        return ERROR_END_OF_STREAM;
1704    }
1705
1706    size_t index = *mFilledBuffers.begin();
1707    mFilledBuffers.erase(mFilledBuffers.begin());
1708
1709    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
1710    info->mMediaBuffer->add_ref();
1711    *buffer = info->mMediaBuffer;
1712
1713    return OK;
1714}
1715
1716void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
1717    Mutex::Autolock autoLock(mLock);
1718
1719    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1720    for (size_t i = 0; i < buffers->size(); ++i) {
1721        BufferInfo *info = &buffers->editItemAt(i);
1722
1723        if (info->mMediaBuffer == buffer) {
1724            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1725            fillOutputBuffer(info);
1726            return;
1727        }
1728    }
1729
1730    CHECK(!"should not be here.");
1731}
1732
1733static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
1734    static const char *kNames[] = {
1735        "OMX_IMAGE_CodingUnused",
1736        "OMX_IMAGE_CodingAutoDetect",
1737        "OMX_IMAGE_CodingJPEG",
1738        "OMX_IMAGE_CodingJPEG2K",
1739        "OMX_IMAGE_CodingEXIF",
1740        "OMX_IMAGE_CodingTIFF",
1741        "OMX_IMAGE_CodingGIF",
1742        "OMX_IMAGE_CodingPNG",
1743        "OMX_IMAGE_CodingLZW",
1744        "OMX_IMAGE_CodingBMP",
1745    };
1746
1747    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1748
1749    if (type < 0 || (size_t)type >= numNames) {
1750        return "UNKNOWN";
1751    } else {
1752        return kNames[type];
1753    }
1754}
1755
1756static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
1757    static const char *kNames[] = {
1758        "OMX_COLOR_FormatUnused",
1759        "OMX_COLOR_FormatMonochrome",
1760        "OMX_COLOR_Format8bitRGB332",
1761        "OMX_COLOR_Format12bitRGB444",
1762        "OMX_COLOR_Format16bitARGB4444",
1763        "OMX_COLOR_Format16bitARGB1555",
1764        "OMX_COLOR_Format16bitRGB565",
1765        "OMX_COLOR_Format16bitBGR565",
1766        "OMX_COLOR_Format18bitRGB666",
1767        "OMX_COLOR_Format18bitARGB1665",
1768        "OMX_COLOR_Format19bitARGB1666",
1769        "OMX_COLOR_Format24bitRGB888",
1770        "OMX_COLOR_Format24bitBGR888",
1771        "OMX_COLOR_Format24bitARGB1887",
1772        "OMX_COLOR_Format25bitARGB1888",
1773        "OMX_COLOR_Format32bitBGRA8888",
1774        "OMX_COLOR_Format32bitARGB8888",
1775        "OMX_COLOR_FormatYUV411Planar",
1776        "OMX_COLOR_FormatYUV411PackedPlanar",
1777        "OMX_COLOR_FormatYUV420Planar",
1778        "OMX_COLOR_FormatYUV420PackedPlanar",
1779        "OMX_COLOR_FormatYUV420SemiPlanar",
1780        "OMX_COLOR_FormatYUV422Planar",
1781        "OMX_COLOR_FormatYUV422PackedPlanar",
1782        "OMX_COLOR_FormatYUV422SemiPlanar",
1783        "OMX_COLOR_FormatYCbYCr",
1784        "OMX_COLOR_FormatYCrYCb",
1785        "OMX_COLOR_FormatCbYCrY",
1786        "OMX_COLOR_FormatCrYCbY",
1787        "OMX_COLOR_FormatYUV444Interleaved",
1788        "OMX_COLOR_FormatRawBayer8bit",
1789        "OMX_COLOR_FormatRawBayer10bit",
1790        "OMX_COLOR_FormatRawBayer8bitcompressed",
1791        "OMX_COLOR_FormatL2",
1792        "OMX_COLOR_FormatL4",
1793        "OMX_COLOR_FormatL8",
1794        "OMX_COLOR_FormatL16",
1795        "OMX_COLOR_FormatL24",
1796        "OMX_COLOR_FormatL32",
1797        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
1798        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
1799        "OMX_COLOR_Format18BitBGR666",
1800        "OMX_COLOR_Format24BitARGB6666",
1801        "OMX_COLOR_Format24BitABGR6666",
1802    };
1803
1804    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1805
1806    static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
1807
1808    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
1809        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
1810    } else if (type < 0 || (size_t)type >= numNames) {
1811        return "UNKNOWN";
1812    } else {
1813        return kNames[type];
1814    }
1815}
1816
1817static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
1818    static const char *kNames[] = {
1819        "OMX_VIDEO_CodingUnused",
1820        "OMX_VIDEO_CodingAutoDetect",
1821        "OMX_VIDEO_CodingMPEG2",
1822        "OMX_VIDEO_CodingH263",
1823        "OMX_VIDEO_CodingMPEG4",
1824        "OMX_VIDEO_CodingWMV",
1825        "OMX_VIDEO_CodingRV",
1826        "OMX_VIDEO_CodingAVC",
1827        "OMX_VIDEO_CodingMJPEG",
1828    };
1829
1830    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1831
1832    if (type < 0 || (size_t)type >= numNames) {
1833        return "UNKNOWN";
1834    } else {
1835        return kNames[type];
1836    }
1837}
1838
1839static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
1840    static const char *kNames[] = {
1841        "OMX_AUDIO_CodingUnused",
1842        "OMX_AUDIO_CodingAutoDetect",
1843        "OMX_AUDIO_CodingPCM",
1844        "OMX_AUDIO_CodingADPCM",
1845        "OMX_AUDIO_CodingAMR",
1846        "OMX_AUDIO_CodingGSMFR",
1847        "OMX_AUDIO_CodingGSMEFR",
1848        "OMX_AUDIO_CodingGSMHR",
1849        "OMX_AUDIO_CodingPDCFR",
1850        "OMX_AUDIO_CodingPDCEFR",
1851        "OMX_AUDIO_CodingPDCHR",
1852        "OMX_AUDIO_CodingTDMAFR",
1853        "OMX_AUDIO_CodingTDMAEFR",
1854        "OMX_AUDIO_CodingQCELP8",
1855        "OMX_AUDIO_CodingQCELP13",
1856        "OMX_AUDIO_CodingEVRC",
1857        "OMX_AUDIO_CodingSMV",
1858        "OMX_AUDIO_CodingG711",
1859        "OMX_AUDIO_CodingG723",
1860        "OMX_AUDIO_CodingG726",
1861        "OMX_AUDIO_CodingG729",
1862        "OMX_AUDIO_CodingAAC",
1863        "OMX_AUDIO_CodingMP3",
1864        "OMX_AUDIO_CodingSBC",
1865        "OMX_AUDIO_CodingVORBIS",
1866        "OMX_AUDIO_CodingWMA",
1867        "OMX_AUDIO_CodingRA",
1868        "OMX_AUDIO_CodingMIDI",
1869    };
1870
1871    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1872
1873    if (type < 0 || (size_t)type >= numNames) {
1874        return "UNKNOWN";
1875    } else {
1876        return kNames[type];
1877    }
1878}
1879
1880static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
1881    static const char *kNames[] = {
1882        "OMX_AUDIO_PCMModeLinear",
1883        "OMX_AUDIO_PCMModeALaw",
1884        "OMX_AUDIO_PCMModeMULaw",
1885    };
1886
1887    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
1888
1889    if (type < 0 || (size_t)type >= numNames) {
1890        return "UNKNOWN";
1891    } else {
1892        return kNames[type];
1893    }
1894}
1895
1896
1897void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
1898    OMX_PARAM_PORTDEFINITIONTYPE def;
1899    def.nSize = sizeof(def);
1900    def.nVersion.s.nVersionMajor = 1;
1901    def.nVersion.s.nVersionMinor = 1;
1902    def.nPortIndex = portIndex;
1903
1904    status_t err = mOMX->get_parameter(
1905            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1906    CHECK_EQ(err, OK);
1907
1908    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
1909
1910    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
1911          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
1912
1913    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
1914    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
1915    printf("  nBufferSize = %ld\n", def.nBufferSize);
1916
1917    switch (def.eDomain) {
1918        case OMX_PortDomainImage:
1919        {
1920            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1921
1922            printf("\n");
1923            printf("  // Image\n");
1924            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
1925            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
1926            printf("  nStride = %ld\n", imageDef->nStride);
1927
1928            printf("  eCompressionFormat = %s\n",
1929                   imageCompressionFormatString(imageDef->eCompressionFormat));
1930
1931            printf("  eColorFormat = %s\n",
1932                   colorFormatString(imageDef->eColorFormat));
1933
1934            break;
1935        }
1936
1937        case OMX_PortDomainVideo:
1938        {
1939            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
1940
1941            printf("\n");
1942            printf("  // Video\n");
1943            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
1944            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
1945            printf("  nStride = %ld\n", videoDef->nStride);
1946
1947            printf("  eCompressionFormat = %s\n",
1948                   videoCompressionFormatString(videoDef->eCompressionFormat));
1949
1950            printf("  eColorFormat = %s\n",
1951                   colorFormatString(videoDef->eColorFormat));
1952
1953            break;
1954        }
1955
1956        case OMX_PortDomainAudio:
1957        {
1958            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
1959
1960            printf("\n");
1961            printf("  // Audio\n");
1962            printf("  eEncoding = %s\n",
1963                   audioCodingTypeString(audioDef->eEncoding));
1964
1965            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
1966                OMX_AUDIO_PARAM_PCMMODETYPE params;
1967                params.nSize = sizeof(params);
1968                params.nVersion.s.nVersionMajor = 1;
1969                params.nVersion.s.nVersionMinor = 1;
1970                params.nPortIndex = portIndex;
1971
1972                err = mOMX->get_parameter(
1973                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
1974                CHECK_EQ(err, OK);
1975
1976                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
1977                printf("  nChannels = %ld\n", params.nChannels);
1978                printf("  bInterleaved = %d\n", params.bInterleaved);
1979                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
1980
1981                printf("  eNumData = %s\n",
1982                       params.eNumData == OMX_NumericalDataSigned
1983                        ? "signed" : "unsigned");
1984
1985                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
1986            }
1987
1988            break;
1989        }
1990
1991        default:
1992        {
1993            printf("  // Unknown\n");
1994            break;
1995        }
1996    }
1997
1998    printf("}\n");
1999}
2000
2001void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
2002    mOutputFormat = new MetaData;
2003    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
2004
2005    OMX_PARAM_PORTDEFINITIONTYPE def;
2006    def.nSize = sizeof(def);
2007    def.nVersion.s.nVersionMajor = 1;
2008    def.nVersion.s.nVersionMinor = 1;
2009    def.nPortIndex = kPortIndexOutput;
2010
2011    status_t err = mOMX->get_parameter(
2012            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2013    CHECK_EQ(err, OK);
2014
2015    switch (def.eDomain) {
2016        case OMX_PortDomainImage:
2017        {
2018            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2019            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2020
2021            mOutputFormat->setCString(kKeyMIMEType, "image/raw");
2022            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
2023            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
2024            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
2025            break;
2026        }
2027
2028        case OMX_PortDomainAudio:
2029        {
2030            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
2031
2032            CHECK_EQ(audio_def->eEncoding, OMX_AUDIO_CodingPCM);
2033
2034            OMX_AUDIO_PARAM_PCMMODETYPE params;
2035            params.nSize = sizeof(params);
2036            params.nVersion.s.nVersionMajor = 1;
2037            params.nVersion.s.nVersionMinor = 1;
2038            params.nPortIndex = kPortIndexOutput;
2039
2040            err = mOMX->get_parameter(
2041                    mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2042            CHECK_EQ(err, OK);
2043
2044            CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
2045            CHECK_EQ(params.nBitPerSample, 16);
2046            CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
2047
2048            int32_t numChannels, sampleRate;
2049            inputFormat->findInt32(kKeyChannelCount, &numChannels);
2050            inputFormat->findInt32(kKeySampleRate, &sampleRate);
2051
2052            mOutputFormat->setCString(kKeyMIMEType, "audio/raw");
2053            mOutputFormat->setInt32(kKeyChannelCount, numChannels);
2054            mOutputFormat->setInt32(kKeySampleRate, sampleRate);
2055            break;
2056        }
2057
2058        case OMX_PortDomainVideo:
2059        {
2060            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2061
2062            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
2063                mOutputFormat->setCString(kKeyMIMEType, "video/raw");
2064            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
2065                mOutputFormat->setCString(kKeyMIMEType, "video/mp4v-es");
2066            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
2067                mOutputFormat->setCString(kKeyMIMEType, "video/3gpp");
2068            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
2069                mOutputFormat->setCString(kKeyMIMEType, "video/avc");
2070            } else {
2071                CHECK(!"Unknown compression format.");
2072            }
2073
2074            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
2075                // This component appears to be lying to me.
2076                mOutputFormat->setInt32(
2077                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
2078                mOutputFormat->setInt32(
2079                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
2080            } else {
2081                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
2082                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
2083            }
2084
2085            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
2086            break;
2087        }
2088
2089        default:
2090        {
2091            CHECK(!"should not be here, neither audio nor video.");
2092            break;
2093        }
2094    }
2095}
2096
2097}  // namespace android
2098