OMXCodec.cpp revision 888f72a4628eed3c136ff2e346a15d129da0d520 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "OMXCodec"
19#include <utils/Log.h>
20
21#include "include/ESDS.h"
22
23#include <binder/IServiceManager.h>
24#include <binder/MemoryDealer.h>
25#include <binder/ProcessState.h>
26#include <media/IMediaPlayerService.h>
27#include <media/stagefright/MediaBuffer.h>
28#include <media/stagefright/MediaBufferGroup.h>
29#include <media/stagefright/MediaDebug.h>
30#include <media/stagefright/MediaDefs.h>
31#include <media/stagefright/MediaExtractor.h>
32#include <media/stagefright/MetaData.h>
33#include <media/stagefright/MmapSource.h>
34#include <media/stagefright/OMXCodec.h>
35#include <media/stagefright/Utils.h>
36#include <utils/Vector.h>
37
38#include <OMX_Audio.h>
39#include <OMX_Component.h>
40
41namespace android {
42
43static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
44
45struct CodecInfo {
46    const char *mime;
47    const char *codec;
48};
49
50static const CodecInfo kDecoderInfo[] = {
51    { MEDIA_MIMETYPE_IMAGE_JPEG, "OMX.TI.JPEG.decode" },
52    { MEDIA_MIMETYPE_AUDIO_MPEG, "OMX.TI.MP3.decode" },
53    { MEDIA_MIMETYPE_AUDIO_MPEG, "OMX.PV.mp3dec" },
54    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.TI.AMR.decode" },
55    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.PV.amrdec" },
56    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.decode" },
57    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.PV.amrdec" },
58    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.decode" },
59    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.PV.aacdec" },
60    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.decoder.mpeg4" },
61    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.Decoder" },
62    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.PV.mpeg4dec" },
63    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.decoder.h263" },
64    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.TI.Video.Decoder" },
65    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263dec" },
66    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.qcom.video.decoder.avc" },
67    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.Decoder" },
68    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcdec" },
69};
70
71static const CodecInfo kEncoderInfo[] = {
72    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.TI.AMR.encode" },
73    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.PV.amrencnb" },
74    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.encode" },
75    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.encode" },
76    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.PV.aacenc" },
77    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.encoder.mpeg4" },
78    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.encoder" },
79    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.PV.mpeg4enc" },
80    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.encoder.h263" },
81    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.TI.Video.encoder" },
82    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263enc" },
83    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.encoder" },
84    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcenc" },
85};
86
87#define CODEC_LOGI(x, ...) LOGI("[%s] "x, mComponentName, ##__VA_ARGS__)
88#define CODEC_LOGV(x, ...) LOGV("[%s] "x, mComponentName, ##__VA_ARGS__)
89
90struct OMXCodecObserver : public BnOMXObserver {
91    OMXCodecObserver() {
92    }
93
94    void setCodec(const sp<OMXCodec> &target) {
95        mTarget = target;
96    }
97
98    // from IOMXObserver
99    virtual void onMessage(const omx_message &msg) {
100        sp<OMXCodec> codec = mTarget.promote();
101
102        if (codec.get() != NULL) {
103            codec->on_message(msg);
104        }
105    }
106
107protected:
108    virtual ~OMXCodecObserver() {}
109
110private:
111    wp<OMXCodec> mTarget;
112
113    OMXCodecObserver(const OMXCodecObserver &);
114    OMXCodecObserver &operator=(const OMXCodecObserver &);
115};
116
117static const char *GetCodec(const CodecInfo *info, size_t numInfos,
118                            const char *mime, int index) {
119    CHECK(index >= 0);
120    for(size_t i = 0; i < numInfos; ++i) {
121        if (!strcasecmp(mime, info[i].mime)) {
122            if (index == 0) {
123                return info[i].codec;
124            }
125
126            --index;
127        }
128    }
129
130    return NULL;
131}
132
133enum {
134    kAVCProfileBaseline      = 0x42,
135    kAVCProfileMain          = 0x4d,
136    kAVCProfileExtended      = 0x58,
137    kAVCProfileHigh          = 0x64,
138    kAVCProfileHigh10        = 0x6e,
139    kAVCProfileHigh422       = 0x7a,
140    kAVCProfileHigh444       = 0xf4,
141    kAVCProfileCAVLC444Intra = 0x2c
142};
143
144static const char *AVCProfileToString(uint8_t profile) {
145    switch (profile) {
146        case kAVCProfileBaseline:
147            return "Baseline";
148        case kAVCProfileMain:
149            return "Main";
150        case kAVCProfileExtended:
151            return "Extended";
152        case kAVCProfileHigh:
153            return "High";
154        case kAVCProfileHigh10:
155            return "High 10";
156        case kAVCProfileHigh422:
157            return "High 422";
158        case kAVCProfileHigh444:
159            return "High 444";
160        case kAVCProfileCAVLC444Intra:
161            return "CAVLC 444 Intra";
162        default:   return "Unknown";
163    }
164}
165
166template<class T>
167static void InitOMXParams(T *params) {
168    params->nSize = sizeof(T);
169    params->nVersion.s.nVersionMajor = 1;
170    params->nVersion.s.nVersionMinor = 0;
171    params->nVersion.s.nRevision = 0;
172    params->nVersion.s.nStep = 0;
173}
174
175static bool IsSoftwareCodec(const char *componentName) {
176    if (!strncmp("OMX.PV.", componentName, 7)) {
177        return true;
178    }
179
180    return false;
181}
182
183static int CompareSoftwareCodecsFirst(
184        const String8 *elem1, const String8 *elem2) {
185    bool isSoftwareCodec1 = IsSoftwareCodec(elem1->string());
186    bool isSoftwareCodec2 = IsSoftwareCodec(elem2->string());
187
188    if (isSoftwareCodec1) {
189        if (isSoftwareCodec2) { return 0; }
190        return -1;
191    }
192
193    if (isSoftwareCodec2) {
194        return 1;
195    }
196
197    return 0;
198}
199
200// static
201uint32_t OMXCodec::getComponentQuirks(const char *componentName) {
202    uint32_t quirks = 0;
203
204    if (!strcmp(componentName, "OMX.PV.avcdec")) {
205        quirks |= kWantsNALFragments;
206    }
207    if (!strcmp(componentName, "OMX.TI.MP3.decode")) {
208        quirks |= kNeedsFlushBeforeDisable;
209    }
210    if (!strcmp(componentName, "OMX.TI.AAC.decode")) {
211        quirks |= kNeedsFlushBeforeDisable;
212        quirks |= kRequiresFlushCompleteEmulation;
213    }
214    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
215        quirks |= kRequiresLoadedToIdleAfterAllocation;
216        quirks |= kRequiresAllocateBufferOnInputPorts;
217        quirks |= kRequiresAllocateBufferOnOutputPorts;
218    }
219    if (!strncmp(componentName, "OMX.qcom.video.decoder.", 23)) {
220        // XXX Required on P....on only.
221        quirks |= kRequiresAllocateBufferOnInputPorts;
222        quirks |= kRequiresAllocateBufferOnOutputPorts;
223    }
224
225    if (!strncmp(componentName, "OMX.TI.", 7)) {
226        // Apparently I must not use OMX_UseBuffer on either input or
227        // output ports on any of the TI components or quote:
228        // "(I) may have unexpected problem (sic) which can be timing related
229        //  and hard to reproduce."
230
231        quirks |= kRequiresAllocateBufferOnInputPorts;
232        quirks |= kRequiresAllocateBufferOnOutputPorts;
233    }
234
235    return quirks;
236}
237
238// static
239void OMXCodec::findMatchingCodecs(
240        const char *mime,
241        bool createEncoder, const char *matchComponentName,
242        uint32_t flags,
243        Vector<String8> *matchingCodecs) {
244    matchingCodecs->clear();
245
246    for (int index = 0;; ++index) {
247        const char *componentName;
248
249        if (createEncoder) {
250            componentName = GetCodec(
251                    kEncoderInfo,
252                    sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
253                    mime, index);
254        } else {
255            componentName = GetCodec(
256                    kDecoderInfo,
257                    sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
258                    mime, index);
259        }
260
261        if (!componentName) {
262            break;
263        }
264
265        // If a specific codec is requested, skip the non-matching ones.
266        if (matchComponentName && strcmp(componentName, matchComponentName)) {
267            continue;
268        }
269
270        matchingCodecs->push(String8(componentName));
271    }
272
273    if (flags & kPreferSoftwareCodecs) {
274        matchingCodecs->sort(CompareSoftwareCodecsFirst);
275    }
276}
277
278// static
279sp<OMXCodec> OMXCodec::Create(
280        const sp<IOMX> &omx,
281        const sp<MetaData> &meta, bool createEncoder,
282        const sp<MediaSource> &source,
283        const char *matchComponentName,
284        uint32_t flags) {
285    const char *mime;
286    bool success = meta->findCString(kKeyMIMEType, &mime);
287    CHECK(success);
288
289    Vector<String8> matchingCodecs;
290    findMatchingCodecs(
291            mime, createEncoder, matchComponentName, flags, &matchingCodecs);
292
293    if (matchingCodecs.isEmpty()) {
294        return NULL;
295    }
296
297    sp<OMXCodecObserver> observer = new OMXCodecObserver;
298    IOMX::node_id node = 0;
299    success = false;
300
301    const char *componentName;
302    for (size_t i = 0; i < matchingCodecs.size(); ++i) {
303        componentName = matchingCodecs[i].string();
304
305        LOGV("Attempting to allocate OMX node '%s'", componentName);
306
307        status_t err = omx->allocateNode(componentName, observer, &node);
308        if (err == OK) {
309            LOGV("Successfully allocated OMX node '%s'", componentName);
310
311            success = true;
312            break;
313        }
314    }
315
316    if (!success) {
317        return NULL;
318    }
319
320    sp<OMXCodec> codec = new OMXCodec(
321            omx, node, getComponentQuirks(componentName),
322            createEncoder, mime, componentName,
323            source);
324
325    observer->setCodec(codec);
326
327    uint32_t type;
328    const void *data;
329    size_t size;
330    if (meta->findData(kKeyESDS, &type, &data, &size)) {
331        ESDS esds((const char *)data, size);
332        CHECK_EQ(esds.InitCheck(), OK);
333
334        const void *codec_specific_data;
335        size_t codec_specific_data_size;
336        esds.getCodecSpecificInfo(
337                &codec_specific_data, &codec_specific_data_size);
338
339        printf("found codec-specific data of size %d\n",
340               codec_specific_data_size);
341
342        codec->addCodecSpecificData(
343                codec_specific_data, codec_specific_data_size);
344    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
345        printf("found avcc of size %d\n", size);
346
347        // Parse the AVCDecoderConfigurationRecord
348
349        const uint8_t *ptr = (const uint8_t *)data;
350
351        CHECK(size >= 7);
352        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
353        uint8_t profile = ptr[1];
354        uint8_t level = ptr[3];
355
356        CHECK((ptr[4] >> 2) == 0x3f);  // reserved
357
358        size_t lengthSize = 1 + (ptr[4] & 3);
359
360        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
361        // violates it...
362        // CHECK((ptr[5] >> 5) == 7);  // reserved
363
364        size_t numSeqParameterSets = ptr[5] & 31;
365
366        ptr += 6;
367        size -= 6;
368
369        for (size_t i = 0; i < numSeqParameterSets; ++i) {
370            CHECK(size >= 2);
371            size_t length = U16_AT(ptr);
372
373            ptr += 2;
374            size -= 2;
375
376            CHECK(size >= length);
377
378            codec->addCodecSpecificData(ptr, length);
379
380            ptr += length;
381            size -= length;
382        }
383
384        CHECK(size >= 1);
385        size_t numPictureParameterSets = *ptr;
386        ++ptr;
387        --size;
388
389        for (size_t i = 0; i < numPictureParameterSets; ++i) {
390            CHECK(size >= 2);
391            size_t length = U16_AT(ptr);
392
393            ptr += 2;
394            size -= 2;
395
396            CHECK(size >= length);
397
398            codec->addCodecSpecificData(ptr, length);
399
400            ptr += length;
401            size -= length;
402        }
403
404        LOGV("AVC profile = %d (%s), level = %d",
405             (int)profile, AVCProfileToString(profile), (int)level / 10);
406
407        if (!strcmp(componentName, "OMX.TI.Video.Decoder")
408            && (profile != kAVCProfileBaseline || level > 39)) {
409            // This stream exceeds the decoder's capabilities. The decoder
410            // does not handle this gracefully and would clobber the heap
411            // and wreak havoc instead...
412
413            LOGE("Profile and/or level exceed the decoder's capabilities.");
414            return NULL;
415        }
416    }
417
418    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, mime)) {
419        codec->setAMRFormat();
420    }
421    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, mime)) {
422        codec->setAMRWBFormat();
423    }
424    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AAC, mime)) {
425        int32_t numChannels, sampleRate;
426        CHECK(meta->findInt32(kKeyChannelCount, &numChannels));
427        CHECK(meta->findInt32(kKeySampleRate, &sampleRate));
428
429        codec->setAACFormat(numChannels, sampleRate);
430    }
431    if (!strncasecmp(mime, "video/", 6)) {
432        int32_t width, height;
433        bool success = meta->findInt32(kKeyWidth, &width);
434        success = success && meta->findInt32(kKeyHeight, &height);
435        CHECK(success);
436
437        if (createEncoder) {
438            codec->setVideoInputFormat(mime, width, height);
439        } else {
440            codec->setVideoOutputFormat(mime, width, height);
441        }
442    }
443    if (!strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_JPEG)
444        && !strcmp(componentName, "OMX.TI.JPEG.decode")) {
445        OMX_COLOR_FORMATTYPE format =
446            OMX_COLOR_Format32bitARGB8888;
447            // OMX_COLOR_FormatYUV420PackedPlanar;
448            // OMX_COLOR_FormatCbYCrY;
449            // OMX_COLOR_FormatYUV411Planar;
450
451        int32_t width, height;
452        bool success = meta->findInt32(kKeyWidth, &width);
453        success = success && meta->findInt32(kKeyHeight, &height);
454
455        int32_t compressedSize;
456        success = success && meta->findInt32(
457                kKeyMaxInputSize, &compressedSize);
458
459        CHECK(success);
460        CHECK(compressedSize > 0);
461
462        codec->setImageOutputFormat(format, width, height);
463        codec->setJPEGInputFormat(width, height, (OMX_U32)compressedSize);
464    }
465
466    int32_t maxInputSize;
467    if (createEncoder && meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
468        codec->setMinBufferSize(kPortIndexInput, (OMX_U32)maxInputSize);
469    }
470
471    if (!strcmp(componentName, "OMX.TI.AMR.encode")
472        || !strcmp(componentName, "OMX.TI.WBAMR.encode")) {
473        codec->setMinBufferSize(kPortIndexOutput, 8192);  // XXX
474    }
475
476    codec->initOutputFormat(meta);
477
478    return codec;
479}
480
481void OMXCodec::setMinBufferSize(OMX_U32 portIndex, OMX_U32 size) {
482    OMX_PARAM_PORTDEFINITIONTYPE def;
483    InitOMXParams(&def);
484    def.nPortIndex = portIndex;
485
486    status_t err = mOMX->getParameter(
487            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
488    CHECK_EQ(err, OK);
489
490    if (def.nBufferSize < size) {
491        def.nBufferSize = size;
492
493    }
494
495    err = mOMX->setParameter(
496            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
497    CHECK_EQ(err, OK);
498}
499
500status_t OMXCodec::setVideoPortFormatType(
501        OMX_U32 portIndex,
502        OMX_VIDEO_CODINGTYPE compressionFormat,
503        OMX_COLOR_FORMATTYPE colorFormat) {
504    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
505    InitOMXParams(&format);
506    format.nPortIndex = portIndex;
507    format.nIndex = 0;
508    bool found = false;
509
510    OMX_U32 index = 0;
511    for (;;) {
512        format.nIndex = index;
513        status_t err = mOMX->getParameter(
514                mNode, OMX_IndexParamVideoPortFormat,
515                &format, sizeof(format));
516
517        if (err != OK) {
518            return err;
519        }
520
521        // The following assertion is violated by TI's video decoder.
522        // CHECK_EQ(format.nIndex, index);
523
524#if 1
525        CODEC_LOGV("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
526             portIndex,
527             index, format.eCompressionFormat, format.eColorFormat);
528#endif
529
530        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
531            if (portIndex == kPortIndexInput
532                    && colorFormat == format.eColorFormat) {
533                // eCompressionFormat does not seem right.
534                found = true;
535                break;
536            }
537            if (portIndex == kPortIndexOutput
538                    && compressionFormat == format.eCompressionFormat) {
539                // eColorFormat does not seem right.
540                found = true;
541                break;
542            }
543        }
544
545        if (format.eCompressionFormat == compressionFormat
546            && format.eColorFormat == colorFormat) {
547            found = true;
548            break;
549        }
550
551        ++index;
552    }
553
554    if (!found) {
555        return UNKNOWN_ERROR;
556    }
557
558    CODEC_LOGV("found a match.");
559    status_t err = mOMX->setParameter(
560            mNode, OMX_IndexParamVideoPortFormat,
561            &format, sizeof(format));
562
563    return err;
564}
565
566static size_t getFrameSize(
567        OMX_COLOR_FORMATTYPE colorFormat, int32_t width, int32_t height) {
568    switch (colorFormat) {
569        case OMX_COLOR_FormatYCbYCr:
570        case OMX_COLOR_FormatCbYCrY:
571            return width * height * 2;
572
573        case OMX_COLOR_FormatYUV420SemiPlanar:
574            return (width * height * 3) / 2;
575
576        default:
577            CHECK(!"Should not be here. Unsupported color format.");
578            break;
579    }
580}
581
582void OMXCodec::setVideoInputFormat(
583        const char *mime, OMX_U32 width, OMX_U32 height) {
584    CODEC_LOGV("setVideoInputFormat width=%ld, height=%ld", width, height);
585
586    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
587    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
588        compressionFormat = OMX_VIDEO_CodingAVC;
589    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
590        compressionFormat = OMX_VIDEO_CodingMPEG4;
591    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
592        compressionFormat = OMX_VIDEO_CodingH263;
593    } else {
594        LOGE("Not a supported video mime type: %s", mime);
595        CHECK(!"Should not be here. Not a supported video mime type.");
596    }
597
598    OMX_COLOR_FORMATTYPE colorFormat =
599        0 ? OMX_COLOR_FormatYCbYCr : OMX_COLOR_FormatCbYCrY;
600
601    if (!strncmp("OMX.qcom.video.encoder.", mComponentName, 23)) {
602        colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
603    }
604
605    CHECK_EQ(setVideoPortFormatType(
606            kPortIndexInput, OMX_VIDEO_CodingUnused,
607            colorFormat), OK);
608
609    CHECK_EQ(setVideoPortFormatType(
610            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused),
611            OK);
612
613    OMX_PARAM_PORTDEFINITIONTYPE def;
614    InitOMXParams(&def);
615    def.nPortIndex = kPortIndexOutput;
616
617    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
618
619    status_t err = mOMX->getParameter(
620            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
621
622    CHECK_EQ(err, OK);
623    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
624
625    video_def->nFrameWidth = width;
626    video_def->nFrameHeight = height;
627
628    video_def->eCompressionFormat = compressionFormat;
629    video_def->eColorFormat = OMX_COLOR_FormatUnused;
630
631    err = mOMX->setParameter(
632            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
633    CHECK_EQ(err, OK);
634
635    ////////////////////////////////////////////////////////////////////////////
636
637    InitOMXParams(&def);
638    def.nPortIndex = kPortIndexInput;
639
640    err = mOMX->getParameter(
641            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
642    CHECK_EQ(err, OK);
643
644    def.nBufferSize = getFrameSize(colorFormat, width, height);
645    CODEC_LOGV("Setting nBufferSize = %ld", def.nBufferSize);
646
647    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
648
649    video_def->nFrameWidth = width;
650    video_def->nFrameHeight = height;
651    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
652    video_def->eColorFormat = colorFormat;
653
654    video_def->xFramerate = 24 << 16;  // XXX crucial!
655
656    err = mOMX->setParameter(
657            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
658    CHECK_EQ(err, OK);
659
660    switch (compressionFormat) {
661        case OMX_VIDEO_CodingMPEG4:
662        {
663            CHECK_EQ(setupMPEG4EncoderParameters(), OK);
664            break;
665        }
666
667        case OMX_VIDEO_CodingH263:
668            break;
669
670        default:
671            CHECK(!"Support for this compressionFormat to be implemented.");
672            break;
673    }
674}
675
676status_t OMXCodec::setupMPEG4EncoderParameters() {
677    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
678    InitOMXParams(&mpeg4type);
679    mpeg4type.nPortIndex = kPortIndexOutput;
680
681    status_t err = mOMX->getParameter(
682            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
683    CHECK_EQ(err, OK);
684
685    mpeg4type.nSliceHeaderSpacing = 0;
686    mpeg4type.bSVH = OMX_FALSE;
687    mpeg4type.bGov = OMX_FALSE;
688
689    mpeg4type.nAllowedPictureTypes =
690        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
691
692    mpeg4type.nPFrames = 23;
693    mpeg4type.nBFrames = 0;
694
695    mpeg4type.nIDCVLCThreshold = 0;
696    mpeg4type.bACPred = OMX_TRUE;
697    mpeg4type.nMaxPacketSize = 256;
698    mpeg4type.nTimeIncRes = 1000;
699    mpeg4type.nHeaderExtension = 0;
700    mpeg4type.bReversibleVLC = OMX_FALSE;
701
702    mpeg4type.eProfile = OMX_VIDEO_MPEG4ProfileCore;
703    mpeg4type.eLevel = OMX_VIDEO_MPEG4Level2;
704
705    err = mOMX->setParameter(
706            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
707    CHECK_EQ(err, OK);
708
709    // ----------------
710
711    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
712    InitOMXParams(&bitrateType);
713    bitrateType.nPortIndex = kPortIndexOutput;
714
715    err = mOMX->getParameter(
716            mNode, OMX_IndexParamVideoBitrate,
717            &bitrateType, sizeof(bitrateType));
718    CHECK_EQ(err, OK);
719
720    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
721    bitrateType.nTargetBitrate = 1000000;
722
723    err = mOMX->setParameter(
724            mNode, OMX_IndexParamVideoBitrate,
725            &bitrateType, sizeof(bitrateType));
726    CHECK_EQ(err, OK);
727
728    // ----------------
729
730    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
731    InitOMXParams(&errorCorrectionType);
732    errorCorrectionType.nPortIndex = kPortIndexOutput;
733
734    err = mOMX->getParameter(
735            mNode, OMX_IndexParamVideoErrorCorrection,
736            &errorCorrectionType, sizeof(errorCorrectionType));
737    CHECK_EQ(err, OK);
738
739    errorCorrectionType.bEnableHEC = OMX_FALSE;
740    errorCorrectionType.bEnableResync = OMX_TRUE;
741    errorCorrectionType.nResynchMarkerSpacing = 256;
742    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
743    errorCorrectionType.bEnableRVLC = OMX_FALSE;
744
745    err = mOMX->setParameter(
746            mNode, OMX_IndexParamVideoErrorCorrection,
747            &errorCorrectionType, sizeof(errorCorrectionType));
748    CHECK_EQ(err, OK);
749
750    return OK;
751}
752
753void OMXCodec::setVideoOutputFormat(
754        const char *mime, OMX_U32 width, OMX_U32 height) {
755    CODEC_LOGV("setVideoOutputFormat width=%ld, height=%ld", width, height);
756
757    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
758    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
759        compressionFormat = OMX_VIDEO_CodingAVC;
760    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
761        compressionFormat = OMX_VIDEO_CodingMPEG4;
762    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
763        compressionFormat = OMX_VIDEO_CodingH263;
764    } else {
765        LOGE("Not a supported video mime type: %s", mime);
766        CHECK(!"Should not be here. Not a supported video mime type.");
767    }
768
769    setVideoPortFormatType(
770            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
771
772#if 1
773    {
774        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
775        InitOMXParams(&format);
776        format.nPortIndex = kPortIndexOutput;
777        format.nIndex = 0;
778
779        status_t err = mOMX->getParameter(
780                mNode, OMX_IndexParamVideoPortFormat,
781                &format, sizeof(format));
782        CHECK_EQ(err, OK);
783        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
784
785        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
786
787        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
788               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
789               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
790               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
791
792        err = mOMX->setParameter(
793                mNode, OMX_IndexParamVideoPortFormat,
794                &format, sizeof(format));
795        CHECK_EQ(err, OK);
796    }
797#endif
798
799    OMX_PARAM_PORTDEFINITIONTYPE def;
800    InitOMXParams(&def);
801    def.nPortIndex = kPortIndexInput;
802
803    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
804
805    status_t err = mOMX->getParameter(
806            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
807
808    CHECK_EQ(err, OK);
809
810#if 1
811    // XXX Need a (much) better heuristic to compute input buffer sizes.
812    const size_t X = 64 * 1024;
813    if (def.nBufferSize < X) {
814        def.nBufferSize = X;
815    }
816#endif
817
818    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
819
820    video_def->nFrameWidth = width;
821    video_def->nFrameHeight = height;
822
823    video_def->eCompressionFormat = compressionFormat;
824    video_def->eColorFormat = OMX_COLOR_FormatUnused;
825
826    err = mOMX->setParameter(
827            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
828    CHECK_EQ(err, OK);
829
830    ////////////////////////////////////////////////////////////////////////////
831
832    InitOMXParams(&def);
833    def.nPortIndex = kPortIndexOutput;
834
835    err = mOMX->getParameter(
836            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
837    CHECK_EQ(err, OK);
838    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
839
840#if 0
841    def.nBufferSize =
842        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
843#endif
844
845    video_def->nFrameWidth = width;
846    video_def->nFrameHeight = height;
847
848    err = mOMX->setParameter(
849            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
850    CHECK_EQ(err, OK);
851}
852
853
854OMXCodec::OMXCodec(
855        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
856        bool isEncoder,
857        const char *mime,
858        const char *componentName,
859        const sp<MediaSource> &source)
860    : mOMX(omx),
861      mNode(node),
862      mQuirks(quirks),
863      mIsEncoder(isEncoder),
864      mMIME(strdup(mime)),
865      mComponentName(strdup(componentName)),
866      mSource(source),
867      mCodecSpecificDataIndex(0),
868      mState(LOADED),
869      mInitialBufferSubmit(true),
870      mSignalledEOS(false),
871      mNoMoreOutputData(false),
872      mOutputPortSettingsHaveChanged(false),
873      mSeekTimeUs(-1) {
874    mPortStatus[kPortIndexInput] = ENABLED;
875    mPortStatus[kPortIndexOutput] = ENABLED;
876
877    setComponentRole();
878}
879
880// static
881void OMXCodec::setComponentRole(
882        const sp<IOMX> &omx, IOMX::node_id node, bool isEncoder,
883        const char *mime) {
884    struct MimeToRole {
885        const char *mime;
886        const char *decoderRole;
887        const char *encoderRole;
888    };
889
890    static const MimeToRole kMimeToRole[] = {
891        { MEDIA_MIMETYPE_AUDIO_MPEG,
892            "audio_decoder.mp3", "audio_encoder.mp3" },
893        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
894            "audio_decoder.amrnb", "audio_encoder.amrnb" },
895        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
896            "audio_decoder.amrwb", "audio_encoder.amrwb" },
897        { MEDIA_MIMETYPE_AUDIO_AAC,
898            "audio_decoder.aac", "audio_encoder.aac" },
899        { MEDIA_MIMETYPE_VIDEO_AVC,
900            "video_decoder.avc", "video_encoder.avc" },
901        { MEDIA_MIMETYPE_VIDEO_MPEG4,
902            "video_decoder.mpeg4", "video_encoder.mpeg4" },
903        { MEDIA_MIMETYPE_VIDEO_H263,
904            "video_decoder.h263", "video_encoder.h263" },
905    };
906
907    static const size_t kNumMimeToRole =
908        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
909
910    size_t i;
911    for (i = 0; i < kNumMimeToRole; ++i) {
912        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
913            break;
914        }
915    }
916
917    if (i == kNumMimeToRole) {
918        return;
919    }
920
921    const char *role =
922        isEncoder ? kMimeToRole[i].encoderRole
923                  : kMimeToRole[i].decoderRole;
924
925    if (role != NULL) {
926        OMX_PARAM_COMPONENTROLETYPE roleParams;
927        InitOMXParams(&roleParams);
928
929        strncpy((char *)roleParams.cRole,
930                role, OMX_MAX_STRINGNAME_SIZE - 1);
931
932        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
933
934        status_t err = omx->setParameter(
935                node, OMX_IndexParamStandardComponentRole,
936                &roleParams, sizeof(roleParams));
937
938        if (err != OK) {
939            LOGW("Failed to set standard component role '%s'.", role);
940        }
941    }
942}
943
944void OMXCodec::setComponentRole() {
945    setComponentRole(mOMX, mNode, mIsEncoder, mMIME);
946}
947
948OMXCodec::~OMXCodec() {
949    CHECK(mState == LOADED || mState == ERROR);
950
951    status_t err = mOMX->freeNode(mNode);
952    CHECK_EQ(err, OK);
953
954    mNode = NULL;
955    setState(DEAD);
956
957    clearCodecSpecificData();
958
959    free(mComponentName);
960    mComponentName = NULL;
961
962    free(mMIME);
963    mMIME = NULL;
964}
965
966status_t OMXCodec::init() {
967    // mLock is held.
968
969    CHECK_EQ(mState, LOADED);
970
971    status_t err;
972    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
973        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
974        CHECK_EQ(err, OK);
975        setState(LOADED_TO_IDLE);
976    }
977
978    err = allocateBuffers();
979    CHECK_EQ(err, OK);
980
981    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
982        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
983        CHECK_EQ(err, OK);
984
985        setState(LOADED_TO_IDLE);
986    }
987
988    while (mState != EXECUTING && mState != ERROR) {
989        mAsyncCompletion.wait(mLock);
990    }
991
992    return mState == ERROR ? UNKNOWN_ERROR : OK;
993}
994
995// static
996bool OMXCodec::isIntermediateState(State state) {
997    return state == LOADED_TO_IDLE
998        || state == IDLE_TO_EXECUTING
999        || state == EXECUTING_TO_IDLE
1000        || state == IDLE_TO_LOADED
1001        || state == RECONFIGURING;
1002}
1003
1004status_t OMXCodec::allocateBuffers() {
1005    status_t err = allocateBuffersOnPort(kPortIndexInput);
1006
1007    if (err != OK) {
1008        return err;
1009    }
1010
1011    return allocateBuffersOnPort(kPortIndexOutput);
1012}
1013
1014status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
1015    OMX_PARAM_PORTDEFINITIONTYPE def;
1016    InitOMXParams(&def);
1017    def.nPortIndex = portIndex;
1018
1019    status_t err = mOMX->getParameter(
1020            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1021
1022    if (err != OK) {
1023        return err;
1024    }
1025
1026    size_t totalSize = def.nBufferCountActual * def.nBufferSize;
1027    mDealer[portIndex] = new MemoryDealer(totalSize);
1028
1029    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
1030        sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
1031        CHECK(mem.get() != NULL);
1032
1033        IOMX::buffer_id buffer;
1034        if (portIndex == kPortIndexInput
1035                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
1036            err = mOMX->allocateBufferWithBackup(
1037                    mNode, portIndex, mem, &buffer);
1038        } else if (portIndex == kPortIndexOutput
1039                && (mQuirks & kRequiresAllocateBufferOnOutputPorts)) {
1040            err = mOMX->allocateBufferWithBackup(
1041                    mNode, portIndex, mem, &buffer);
1042        } else {
1043            err = mOMX->useBuffer(mNode, portIndex, mem, &buffer);
1044        }
1045
1046        if (err != OK) {
1047            LOGE("allocate_buffer_with_backup failed");
1048            return err;
1049        }
1050
1051        BufferInfo info;
1052        info.mBuffer = buffer;
1053        info.mOwnedByComponent = false;
1054        info.mMem = mem;
1055        info.mMediaBuffer = NULL;
1056
1057        if (portIndex == kPortIndexOutput) {
1058            info.mMediaBuffer = new MediaBuffer(mem->pointer(), mem->size());
1059            info.mMediaBuffer->setObserver(this);
1060        }
1061
1062        mPortBuffers[portIndex].push(info);
1063
1064        CODEC_LOGV("allocated buffer %p on %s port", buffer,
1065             portIndex == kPortIndexInput ? "input" : "output");
1066    }
1067
1068    dumpPortStatus(portIndex);
1069
1070    return OK;
1071}
1072
1073void OMXCodec::on_message(const omx_message &msg) {
1074    Mutex::Autolock autoLock(mLock);
1075
1076    switch (msg.type) {
1077        case omx_message::EVENT:
1078        {
1079            onEvent(
1080                 msg.u.event_data.event, msg.u.event_data.data1,
1081                 msg.u.event_data.data2);
1082
1083            break;
1084        }
1085
1086        case omx_message::EMPTY_BUFFER_DONE:
1087        {
1088            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1089
1090            CODEC_LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
1091
1092            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1093            size_t i = 0;
1094            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1095                ++i;
1096            }
1097
1098            CHECK(i < buffers->size());
1099            if (!(*buffers)[i].mOwnedByComponent) {
1100                LOGW("We already own input buffer %p, yet received "
1101                     "an EMPTY_BUFFER_DONE.", buffer);
1102            }
1103
1104            buffers->editItemAt(i).mOwnedByComponent = false;
1105
1106            if (mPortStatus[kPortIndexInput] == DISABLING) {
1107                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1108
1109                status_t err =
1110                    mOMX->freeBuffer(mNode, kPortIndexInput, buffer);
1111                CHECK_EQ(err, OK);
1112
1113                buffers->removeAt(i);
1114            } else if (mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
1115                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
1116                drainInputBuffer(&buffers->editItemAt(i));
1117            }
1118
1119            break;
1120        }
1121
1122        case omx_message::FILL_BUFFER_DONE:
1123        {
1124            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1125            OMX_U32 flags = msg.u.extended_buffer_data.flags;
1126
1127            CODEC_LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx)",
1128                 buffer,
1129                 msg.u.extended_buffer_data.range_length,
1130                 flags);
1131
1132            CODEC_LOGV("FILL_BUFFER_DONE(timestamp: %lld us (%.2f secs))",
1133                 msg.u.extended_buffer_data.timestamp,
1134                 msg.u.extended_buffer_data.timestamp / 1E6);
1135
1136            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1137            size_t i = 0;
1138            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1139                ++i;
1140            }
1141
1142            CHECK(i < buffers->size());
1143            BufferInfo *info = &buffers->editItemAt(i);
1144
1145            if (!info->mOwnedByComponent) {
1146                LOGW("We already own output buffer %p, yet received "
1147                     "a FILL_BUFFER_DONE.", buffer);
1148            }
1149
1150            info->mOwnedByComponent = false;
1151
1152            if (mPortStatus[kPortIndexOutput] == DISABLING) {
1153                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1154
1155                status_t err =
1156                    mOMX->freeBuffer(mNode, kPortIndexOutput, buffer);
1157                CHECK_EQ(err, OK);
1158
1159                buffers->removeAt(i);
1160            } else if (mPortStatus[kPortIndexOutput] == ENABLED
1161                       && (flags & OMX_BUFFERFLAG_EOS)) {
1162                CODEC_LOGV("No more output data.");
1163                mNoMoreOutputData = true;
1164                mBufferFilled.signal();
1165            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
1166                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1167
1168                MediaBuffer *buffer = info->mMediaBuffer;
1169
1170                buffer->set_range(
1171                        msg.u.extended_buffer_data.range_offset,
1172                        msg.u.extended_buffer_data.range_length);
1173
1174                buffer->meta_data()->clear();
1175
1176                buffer->meta_data()->setInt64(
1177                        kKeyTime, msg.u.extended_buffer_data.timestamp);
1178
1179                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
1180                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
1181                }
1182
1183                buffer->meta_data()->setPointer(
1184                        kKeyPlatformPrivate,
1185                        msg.u.extended_buffer_data.platform_private);
1186
1187                buffer->meta_data()->setPointer(
1188                        kKeyBufferID,
1189                        msg.u.extended_buffer_data.buffer);
1190
1191                mFilledBuffers.push_back(i);
1192                mBufferFilled.signal();
1193            }
1194
1195            break;
1196        }
1197
1198        default:
1199        {
1200            CHECK(!"should not be here.");
1201            break;
1202        }
1203    }
1204}
1205
1206void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
1207    switch (event) {
1208        case OMX_EventCmdComplete:
1209        {
1210            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
1211            break;
1212        }
1213
1214        case OMX_EventError:
1215        {
1216            LOGE("ERROR(%ld, %ld)", data1, data2);
1217
1218            setState(ERROR);
1219            break;
1220        }
1221
1222        case OMX_EventPortSettingsChanged:
1223        {
1224            onPortSettingsChanged(data1);
1225            break;
1226        }
1227
1228        case OMX_EventBufferFlag:
1229        {
1230            CODEC_LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
1231
1232            if (data1 == kPortIndexOutput) {
1233                mNoMoreOutputData = true;
1234            }
1235            break;
1236        }
1237
1238        default:
1239        {
1240            CODEC_LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
1241            break;
1242        }
1243    }
1244}
1245
1246// Has the format changed in any way that the client would have to be aware of?
1247static bool formatHasNotablyChanged(
1248        const sp<MetaData> &from, const sp<MetaData> &to) {
1249    if (from.get() == NULL && to.get() == NULL) {
1250        return false;
1251    }
1252
1253    if ((from.get() == NULL && to.get() != NULL)
1254        || (from.get() != NULL && to.get() == NULL)) {
1255        return true;
1256    }
1257
1258    const char *mime_from, *mime_to;
1259    CHECK(from->findCString(kKeyMIMEType, &mime_from));
1260    CHECK(to->findCString(kKeyMIMEType, &mime_to));
1261
1262    if (strcasecmp(mime_from, mime_to)) {
1263        return true;
1264    }
1265
1266    if (!strcasecmp(mime_from, MEDIA_MIMETYPE_VIDEO_RAW)) {
1267        int32_t colorFormat_from, colorFormat_to;
1268        CHECK(from->findInt32(kKeyColorFormat, &colorFormat_from));
1269        CHECK(to->findInt32(kKeyColorFormat, &colorFormat_to));
1270
1271        if (colorFormat_from != colorFormat_to) {
1272            return true;
1273        }
1274
1275        int32_t width_from, width_to;
1276        CHECK(from->findInt32(kKeyWidth, &width_from));
1277        CHECK(to->findInt32(kKeyWidth, &width_to));
1278
1279        if (width_from != width_to) {
1280            return true;
1281        }
1282
1283        int32_t height_from, height_to;
1284        CHECK(from->findInt32(kKeyHeight, &height_from));
1285        CHECK(to->findInt32(kKeyHeight, &height_to));
1286
1287        if (height_from != height_to) {
1288            return true;
1289        }
1290    } else if (!strcasecmp(mime_from, MEDIA_MIMETYPE_AUDIO_RAW)) {
1291        int32_t numChannels_from, numChannels_to;
1292        CHECK(from->findInt32(kKeyChannelCount, &numChannels_from));
1293        CHECK(to->findInt32(kKeyChannelCount, &numChannels_to));
1294
1295        if (numChannels_from != numChannels_to) {
1296            return true;
1297        }
1298
1299        int32_t sampleRate_from, sampleRate_to;
1300        CHECK(from->findInt32(kKeySampleRate, &sampleRate_from));
1301        CHECK(to->findInt32(kKeySampleRate, &sampleRate_to));
1302
1303        if (sampleRate_from != sampleRate_to) {
1304            return true;
1305        }
1306    }
1307
1308    return false;
1309}
1310
1311void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
1312    switch (cmd) {
1313        case OMX_CommandStateSet:
1314        {
1315            onStateChange((OMX_STATETYPE)data);
1316            break;
1317        }
1318
1319        case OMX_CommandPortDisable:
1320        {
1321            OMX_U32 portIndex = data;
1322            CODEC_LOGV("PORT_DISABLED(%ld)", portIndex);
1323
1324            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1325            CHECK_EQ(mPortStatus[portIndex], DISABLING);
1326            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
1327
1328            mPortStatus[portIndex] = DISABLED;
1329
1330            if (mState == RECONFIGURING) {
1331                CHECK_EQ(portIndex, kPortIndexOutput);
1332
1333                sp<MetaData> oldOutputFormat = mOutputFormat;
1334                initOutputFormat(mSource->getFormat());
1335
1336                // Don't notify clients if the output port settings change
1337                // wasn't of importance to them, i.e. it may be that just the
1338                // number of buffers has changed and nothing else.
1339                mOutputPortSettingsHaveChanged =
1340                    formatHasNotablyChanged(oldOutputFormat, mOutputFormat);
1341
1342                enablePortAsync(portIndex);
1343
1344                status_t err = allocateBuffersOnPort(portIndex);
1345                CHECK_EQ(err, OK);
1346            }
1347            break;
1348        }
1349
1350        case OMX_CommandPortEnable:
1351        {
1352            OMX_U32 portIndex = data;
1353            CODEC_LOGV("PORT_ENABLED(%ld)", portIndex);
1354
1355            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1356            CHECK_EQ(mPortStatus[portIndex], ENABLING);
1357
1358            mPortStatus[portIndex] = ENABLED;
1359
1360            if (mState == RECONFIGURING) {
1361                CHECK_EQ(portIndex, kPortIndexOutput);
1362
1363                setState(EXECUTING);
1364
1365                fillOutputBuffers();
1366            }
1367            break;
1368        }
1369
1370        case OMX_CommandFlush:
1371        {
1372            OMX_U32 portIndex = data;
1373
1374            CODEC_LOGV("FLUSH_DONE(%ld)", portIndex);
1375
1376            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
1377            mPortStatus[portIndex] = ENABLED;
1378
1379            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
1380                     mPortBuffers[portIndex].size());
1381
1382            if (mState == RECONFIGURING) {
1383                CHECK_EQ(portIndex, kPortIndexOutput);
1384
1385                disablePortAsync(portIndex);
1386            } else if (mState == EXECUTING_TO_IDLE) {
1387                if (mPortStatus[kPortIndexInput] == ENABLED
1388                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1389                    CODEC_LOGV("Finished flushing both ports, now completing "
1390                         "transition from EXECUTING to IDLE.");
1391
1392                    mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1393                    mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1394
1395                    status_t err =
1396                        mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1397                    CHECK_EQ(err, OK);
1398                }
1399            } else {
1400                // We're flushing both ports in preparation for seeking.
1401
1402                if (mPortStatus[kPortIndexInput] == ENABLED
1403                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1404                    CODEC_LOGV("Finished flushing both ports, now continuing from"
1405                         " seek-time.");
1406
1407                    // Clear this flag in case the decoder sent us either
1408                    // the EVENT_BUFFER_FLAG(1) or an output buffer with
1409                    // the EOS flag set _while_ flushing. Since we're going
1410                    // to submit "fresh" input data now, this flag no longer
1411                    // applies to our future.
1412                    mNoMoreOutputData = false;
1413
1414                    drainInputBuffers();
1415                    fillOutputBuffers();
1416                }
1417            }
1418
1419            break;
1420        }
1421
1422        default:
1423        {
1424            CODEC_LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1425            break;
1426        }
1427    }
1428}
1429
1430void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1431    switch (newState) {
1432        case OMX_StateIdle:
1433        {
1434            CODEC_LOGV("Now Idle.");
1435            if (mState == LOADED_TO_IDLE) {
1436                status_t err = mOMX->sendCommand(
1437                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1438
1439                CHECK_EQ(err, OK);
1440
1441                setState(IDLE_TO_EXECUTING);
1442            } else {
1443                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1444
1445                CHECK_EQ(
1446                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1447                    mPortBuffers[kPortIndexInput].size());
1448
1449                CHECK_EQ(
1450                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1451                    mPortBuffers[kPortIndexOutput].size());
1452
1453                status_t err = mOMX->sendCommand(
1454                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1455
1456                CHECK_EQ(err, OK);
1457
1458                err = freeBuffersOnPort(kPortIndexInput);
1459                CHECK_EQ(err, OK);
1460
1461                err = freeBuffersOnPort(kPortIndexOutput);
1462                CHECK_EQ(err, OK);
1463
1464                mPortStatus[kPortIndexInput] = ENABLED;
1465                mPortStatus[kPortIndexOutput] = ENABLED;
1466
1467                setState(IDLE_TO_LOADED);
1468            }
1469            break;
1470        }
1471
1472        case OMX_StateExecuting:
1473        {
1474            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1475
1476            CODEC_LOGV("Now Executing.");
1477
1478            setState(EXECUTING);
1479
1480            // Buffers will be submitted to the component in the first
1481            // call to OMXCodec::read as mInitialBufferSubmit is true at
1482            // this point. This ensures that this on_message call returns,
1483            // releases the lock and ::init can notice the state change and
1484            // itself return.
1485            break;
1486        }
1487
1488        case OMX_StateLoaded:
1489        {
1490            CHECK_EQ(mState, IDLE_TO_LOADED);
1491
1492            CODEC_LOGV("Now Loaded.");
1493
1494            setState(LOADED);
1495            break;
1496        }
1497
1498        default:
1499        {
1500            CHECK(!"should not be here.");
1501            break;
1502        }
1503    }
1504}
1505
1506// static
1507size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1508    size_t n = 0;
1509    for (size_t i = 0; i < buffers.size(); ++i) {
1510        if (!buffers[i].mOwnedByComponent) {
1511            ++n;
1512        }
1513    }
1514
1515    return n;
1516}
1517
1518status_t OMXCodec::freeBuffersOnPort(
1519        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1520    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1521
1522    status_t stickyErr = OK;
1523
1524    for (size_t i = buffers->size(); i-- > 0;) {
1525        BufferInfo *info = &buffers->editItemAt(i);
1526
1527        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1528            continue;
1529        }
1530
1531        CHECK_EQ(info->mOwnedByComponent, false);
1532
1533        CODEC_LOGV("freeing buffer %p on port %ld", info->mBuffer, portIndex);
1534
1535        status_t err =
1536            mOMX->freeBuffer(mNode, portIndex, info->mBuffer);
1537
1538        if (err != OK) {
1539            stickyErr = err;
1540        }
1541
1542        if (info->mMediaBuffer != NULL) {
1543            info->mMediaBuffer->setObserver(NULL);
1544
1545            // Make sure nobody but us owns this buffer at this point.
1546            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1547
1548            info->mMediaBuffer->release();
1549        }
1550
1551        buffers->removeAt(i);
1552    }
1553
1554    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1555
1556    return stickyErr;
1557}
1558
1559void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1560    CODEC_LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1561
1562    CHECK_EQ(mState, EXECUTING);
1563    CHECK_EQ(portIndex, kPortIndexOutput);
1564    setState(RECONFIGURING);
1565
1566    if (mQuirks & kNeedsFlushBeforeDisable) {
1567        if (!flushPortAsync(portIndex)) {
1568            onCmdComplete(OMX_CommandFlush, portIndex);
1569        }
1570    } else {
1571        disablePortAsync(portIndex);
1572    }
1573}
1574
1575bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1576    CHECK(mState == EXECUTING || mState == RECONFIGURING
1577            || mState == EXECUTING_TO_IDLE);
1578
1579    CODEC_LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
1580         portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
1581         mPortBuffers[portIndex].size());
1582
1583    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1584    mPortStatus[portIndex] = SHUTTING_DOWN;
1585
1586    if ((mQuirks & kRequiresFlushCompleteEmulation)
1587        && countBuffersWeOwn(mPortBuffers[portIndex])
1588                == mPortBuffers[portIndex].size()) {
1589        // No flush is necessary and this component fails to send a
1590        // flush-complete event in this case.
1591
1592        return false;
1593    }
1594
1595    status_t err =
1596        mOMX->sendCommand(mNode, OMX_CommandFlush, portIndex);
1597    CHECK_EQ(err, OK);
1598
1599    return true;
1600}
1601
1602void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1603    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1604
1605    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1606    mPortStatus[portIndex] = DISABLING;
1607
1608    status_t err =
1609        mOMX->sendCommand(mNode, OMX_CommandPortDisable, portIndex);
1610    CHECK_EQ(err, OK);
1611
1612    freeBuffersOnPort(portIndex, true);
1613}
1614
1615void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1616    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1617
1618    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1619    mPortStatus[portIndex] = ENABLING;
1620
1621    status_t err =
1622        mOMX->sendCommand(mNode, OMX_CommandPortEnable, portIndex);
1623    CHECK_EQ(err, OK);
1624}
1625
1626void OMXCodec::fillOutputBuffers() {
1627    CHECK_EQ(mState, EXECUTING);
1628
1629    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1630    for (size_t i = 0; i < buffers->size(); ++i) {
1631        fillOutputBuffer(&buffers->editItemAt(i));
1632    }
1633}
1634
1635void OMXCodec::drainInputBuffers() {
1636    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1637
1638    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1639    for (size_t i = 0; i < buffers->size(); ++i) {
1640        drainInputBuffer(&buffers->editItemAt(i));
1641    }
1642}
1643
1644void OMXCodec::drainInputBuffer(BufferInfo *info) {
1645    CHECK_EQ(info->mOwnedByComponent, false);
1646
1647    if (mSignalledEOS) {
1648        return;
1649    }
1650
1651    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1652        const CodecSpecificData *specific =
1653            mCodecSpecificData[mCodecSpecificDataIndex];
1654
1655        size_t size = specific->mSize;
1656
1657        if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mMIME)
1658                && !(mQuirks & kWantsNALFragments)) {
1659            static const uint8_t kNALStartCode[4] =
1660                    { 0x00, 0x00, 0x00, 0x01 };
1661
1662            CHECK(info->mMem->size() >= specific->mSize + 4);
1663
1664            size += 4;
1665
1666            memcpy(info->mMem->pointer(), kNALStartCode, 4);
1667            memcpy((uint8_t *)info->mMem->pointer() + 4,
1668                   specific->mData, specific->mSize);
1669        } else {
1670            CHECK(info->mMem->size() >= specific->mSize);
1671            memcpy(info->mMem->pointer(), specific->mData, specific->mSize);
1672        }
1673
1674        status_t err = mOMX->emptyBuffer(
1675                mNode, info->mBuffer, 0, size,
1676                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1677                0);
1678        CHECK_EQ(err, OK);
1679
1680        info->mOwnedByComponent = true;
1681
1682        ++mCodecSpecificDataIndex;
1683        return;
1684    }
1685
1686    MediaBuffer *srcBuffer;
1687    status_t err;
1688    if (mSeekTimeUs >= 0) {
1689        MediaSource::ReadOptions options;
1690        options.setSeekTo(mSeekTimeUs);
1691        mSeekTimeUs = -1;
1692
1693        err = mSource->read(&srcBuffer, &options);
1694    } else {
1695        err = mSource->read(&srcBuffer);
1696    }
1697
1698    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
1699    OMX_TICKS timestampUs = 0;
1700    size_t srcLength = 0;
1701
1702    if (err != OK) {
1703        CODEC_LOGV("signalling end of input stream.");
1704        flags |= OMX_BUFFERFLAG_EOS;
1705
1706        mSignalledEOS = true;
1707    } else {
1708        srcLength = srcBuffer->range_length();
1709
1710        if (info->mMem->size() < srcLength) {
1711            LOGE("info->mMem->size() = %d, srcLength = %d",
1712                 info->mMem->size(), srcLength);
1713        }
1714        CHECK(info->mMem->size() >= srcLength);
1715        memcpy(info->mMem->pointer(),
1716               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
1717               srcLength);
1718
1719        if (srcBuffer->meta_data()->findInt64(kKeyTime, &timestampUs)) {
1720            CODEC_LOGV("Calling emptyBuffer on buffer %p (length %d)",
1721                 info->mBuffer, srcLength);
1722            CODEC_LOGV("Calling emptyBuffer with timestamp %lld us (%.2f secs)",
1723                 timestampUs, timestampUs / 1E6);
1724        }
1725    }
1726
1727    if (srcBuffer != NULL) {
1728        srcBuffer->release();
1729        srcBuffer = NULL;
1730    }
1731
1732    err = mOMX->emptyBuffer(
1733            mNode, info->mBuffer, 0, srcLength,
1734            flags, timestampUs);
1735
1736    if (err != OK) {
1737        setState(ERROR);
1738        return;
1739    }
1740
1741    info->mOwnedByComponent = true;
1742}
1743
1744void OMXCodec::fillOutputBuffer(BufferInfo *info) {
1745    CHECK_EQ(info->mOwnedByComponent, false);
1746
1747    if (mNoMoreOutputData) {
1748        CODEC_LOGV("There is no more output data available, not "
1749             "calling fillOutputBuffer");
1750        return;
1751    }
1752
1753    CODEC_LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
1754    status_t err = mOMX->fillBuffer(mNode, info->mBuffer);
1755    CHECK_EQ(err, OK);
1756
1757    info->mOwnedByComponent = true;
1758}
1759
1760void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
1761    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1762    for (size_t i = 0; i < buffers->size(); ++i) {
1763        if ((*buffers)[i].mBuffer == buffer) {
1764            drainInputBuffer(&buffers->editItemAt(i));
1765            return;
1766        }
1767    }
1768
1769    CHECK(!"should not be here.");
1770}
1771
1772void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
1773    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1774    for (size_t i = 0; i < buffers->size(); ++i) {
1775        if ((*buffers)[i].mBuffer == buffer) {
1776            fillOutputBuffer(&buffers->editItemAt(i));
1777            return;
1778        }
1779    }
1780
1781    CHECK(!"should not be here.");
1782}
1783
1784void OMXCodec::setState(State newState) {
1785    mState = newState;
1786    mAsyncCompletion.signal();
1787
1788    // This may cause some spurious wakeups but is necessary to
1789    // unblock the reader if we enter ERROR state.
1790    mBufferFilled.signal();
1791}
1792
1793void OMXCodec::setRawAudioFormat(
1794        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1795    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1796    InitOMXParams(&pcmParams);
1797    pcmParams.nPortIndex = portIndex;
1798
1799    status_t err = mOMX->getParameter(
1800            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1801
1802    CHECK_EQ(err, OK);
1803
1804    pcmParams.nChannels = numChannels;
1805    pcmParams.eNumData = OMX_NumericalDataSigned;
1806    pcmParams.bInterleaved = OMX_TRUE;
1807    pcmParams.nBitPerSample = 16;
1808    pcmParams.nSamplingRate = sampleRate;
1809    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1810
1811    if (numChannels == 1) {
1812        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
1813    } else {
1814        CHECK_EQ(numChannels, 2);
1815
1816        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
1817        pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
1818    }
1819
1820    err = mOMX->setParameter(
1821            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1822
1823    CHECK_EQ(err, OK);
1824}
1825
1826void OMXCodec::setAMRFormat() {
1827    if (!mIsEncoder) {
1828        OMX_AUDIO_PARAM_AMRTYPE def;
1829        InitOMXParams(&def);
1830        def.nPortIndex = kPortIndexInput;
1831
1832        status_t err =
1833            mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1834
1835        CHECK_EQ(err, OK);
1836
1837        def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1838        def.eAMRBandMode = OMX_AUDIO_AMRBandModeNB0;
1839
1840        err = mOMX->setParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1841        CHECK_EQ(err, OK);
1842    }
1843
1844    ////////////////////////
1845
1846    if (mIsEncoder) {
1847        sp<MetaData> format = mSource->getFormat();
1848        int32_t sampleRate;
1849        int32_t numChannels;
1850        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
1851        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
1852
1853        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1854    }
1855}
1856
1857void OMXCodec::setAMRWBFormat() {
1858    if (!mIsEncoder) {
1859        OMX_AUDIO_PARAM_AMRTYPE def;
1860        InitOMXParams(&def);
1861        def.nPortIndex = kPortIndexInput;
1862
1863        status_t err =
1864            mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1865
1866        CHECK_EQ(err, OK);
1867
1868        def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1869        def.eAMRBandMode = OMX_AUDIO_AMRBandModeWB0;
1870
1871        err = mOMX->setParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1872        CHECK_EQ(err, OK);
1873    }
1874
1875    ////////////////////////
1876
1877    if (mIsEncoder) {
1878        sp<MetaData> format = mSource->getFormat();
1879        int32_t sampleRate;
1880        int32_t numChannels;
1881        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
1882        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
1883
1884        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1885    }
1886}
1887
1888void OMXCodec::setAACFormat(int32_t numChannels, int32_t sampleRate) {
1889    if (mIsEncoder) {
1890        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1891    } else {
1892        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1893        InitOMXParams(&profile);
1894        profile.nPortIndex = kPortIndexInput;
1895
1896        status_t err = mOMX->getParameter(
1897                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1898        CHECK_EQ(err, OK);
1899
1900        profile.nChannels = numChannels;
1901        profile.nSampleRate = sampleRate;
1902        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
1903
1904        err = mOMX->setParameter(
1905                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1906        CHECK_EQ(err, OK);
1907    }
1908}
1909
1910void OMXCodec::setImageOutputFormat(
1911        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
1912    CODEC_LOGV("setImageOutputFormat(%ld, %ld)", width, height);
1913
1914#if 0
1915    OMX_INDEXTYPE index;
1916    status_t err = mOMX->get_extension_index(
1917            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
1918    CHECK_EQ(err, OK);
1919
1920    err = mOMX->set_config(mNode, index, &format, sizeof(format));
1921    CHECK_EQ(err, OK);
1922#endif
1923
1924    OMX_PARAM_PORTDEFINITIONTYPE def;
1925    InitOMXParams(&def);
1926    def.nPortIndex = kPortIndexOutput;
1927
1928    status_t err = mOMX->getParameter(
1929            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1930    CHECK_EQ(err, OK);
1931
1932    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1933
1934    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1935
1936    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
1937    imageDef->eColorFormat = format;
1938    imageDef->nFrameWidth = width;
1939    imageDef->nFrameHeight = height;
1940
1941    switch (format) {
1942        case OMX_COLOR_FormatYUV420PackedPlanar:
1943        case OMX_COLOR_FormatYUV411Planar:
1944        {
1945            def.nBufferSize = (width * height * 3) / 2;
1946            break;
1947        }
1948
1949        case OMX_COLOR_FormatCbYCrY:
1950        {
1951            def.nBufferSize = width * height * 2;
1952            break;
1953        }
1954
1955        case OMX_COLOR_Format32bitARGB8888:
1956        {
1957            def.nBufferSize = width * height * 4;
1958            break;
1959        }
1960
1961        case OMX_COLOR_Format16bitARGB4444:
1962        case OMX_COLOR_Format16bitARGB1555:
1963        case OMX_COLOR_Format16bitRGB565:
1964        case OMX_COLOR_Format16bitBGR565:
1965        {
1966            def.nBufferSize = width * height * 2;
1967            break;
1968        }
1969
1970        default:
1971            CHECK(!"Should not be here. Unknown color format.");
1972            break;
1973    }
1974
1975    def.nBufferCountActual = def.nBufferCountMin;
1976
1977    err = mOMX->setParameter(
1978            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1979    CHECK_EQ(err, OK);
1980}
1981
1982void OMXCodec::setJPEGInputFormat(
1983        OMX_U32 width, OMX_U32 height, OMX_U32 compressedSize) {
1984    OMX_PARAM_PORTDEFINITIONTYPE def;
1985    InitOMXParams(&def);
1986    def.nPortIndex = kPortIndexInput;
1987
1988    status_t err = mOMX->getParameter(
1989            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1990    CHECK_EQ(err, OK);
1991
1992    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
1993    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
1994
1995    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
1996    imageDef->nFrameWidth = width;
1997    imageDef->nFrameHeight = height;
1998
1999    def.nBufferSize = compressedSize;
2000    def.nBufferCountActual = def.nBufferCountMin;
2001
2002    err = mOMX->setParameter(
2003            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2004    CHECK_EQ(err, OK);
2005}
2006
2007void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
2008    CodecSpecificData *specific =
2009        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
2010
2011    specific->mSize = size;
2012    memcpy(specific->mData, data, size);
2013
2014    mCodecSpecificData.push(specific);
2015}
2016
2017void OMXCodec::clearCodecSpecificData() {
2018    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
2019        free(mCodecSpecificData.editItemAt(i));
2020    }
2021    mCodecSpecificData.clear();
2022    mCodecSpecificDataIndex = 0;
2023}
2024
2025status_t OMXCodec::start(MetaData *) {
2026    Mutex::Autolock autoLock(mLock);
2027
2028    if (mState != LOADED) {
2029        return UNKNOWN_ERROR;
2030    }
2031
2032    sp<MetaData> params = new MetaData;
2033    if (mQuirks & kWantsNALFragments) {
2034        params->setInt32(kKeyWantsNALFragments, true);
2035    }
2036    status_t err = mSource->start(params.get());
2037
2038    if (err != OK) {
2039        return err;
2040    }
2041
2042    mCodecSpecificDataIndex = 0;
2043    mInitialBufferSubmit = true;
2044    mSignalledEOS = false;
2045    mNoMoreOutputData = false;
2046    mOutputPortSettingsHaveChanged = false;
2047    mSeekTimeUs = -1;
2048    mFilledBuffers.clear();
2049
2050    return init();
2051}
2052
2053status_t OMXCodec::stop() {
2054    CODEC_LOGV("stop");
2055
2056    Mutex::Autolock autoLock(mLock);
2057
2058    while (isIntermediateState(mState)) {
2059        mAsyncCompletion.wait(mLock);
2060    }
2061
2062    switch (mState) {
2063        case LOADED:
2064        case ERROR:
2065            break;
2066
2067        case EXECUTING:
2068        {
2069            setState(EXECUTING_TO_IDLE);
2070
2071            if (mQuirks & kRequiresFlushBeforeShutdown) {
2072                CODEC_LOGV("This component requires a flush before transitioning "
2073                     "from EXECUTING to IDLE...");
2074
2075                bool emulateInputFlushCompletion =
2076                    !flushPortAsync(kPortIndexInput);
2077
2078                bool emulateOutputFlushCompletion =
2079                    !flushPortAsync(kPortIndexOutput);
2080
2081                if (emulateInputFlushCompletion) {
2082                    onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2083                }
2084
2085                if (emulateOutputFlushCompletion) {
2086                    onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2087                }
2088            } else {
2089                mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
2090                mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
2091
2092                status_t err =
2093                    mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
2094                CHECK_EQ(err, OK);
2095            }
2096
2097            while (mState != LOADED && mState != ERROR) {
2098                mAsyncCompletion.wait(mLock);
2099            }
2100
2101            break;
2102        }
2103
2104        default:
2105        {
2106            CHECK(!"should not be here.");
2107            break;
2108        }
2109    }
2110
2111    mSource->stop();
2112
2113    return OK;
2114}
2115
2116sp<MetaData> OMXCodec::getFormat() {
2117    Mutex::Autolock autoLock(mLock);
2118
2119    return mOutputFormat;
2120}
2121
2122status_t OMXCodec::read(
2123        MediaBuffer **buffer, const ReadOptions *options) {
2124    *buffer = NULL;
2125
2126    Mutex::Autolock autoLock(mLock);
2127
2128    if (mState != EXECUTING && mState != RECONFIGURING) {
2129        return UNKNOWN_ERROR;
2130    }
2131
2132    bool seeking = false;
2133    int64_t seekTimeUs;
2134    if (options && options->getSeekTo(&seekTimeUs)) {
2135        seeking = true;
2136    }
2137
2138    if (mInitialBufferSubmit) {
2139        mInitialBufferSubmit = false;
2140
2141        if (seeking) {
2142            CHECK(seekTimeUs >= 0);
2143            mSeekTimeUs = seekTimeUs;
2144
2145            // There's no reason to trigger the code below, there's
2146            // nothing to flush yet.
2147            seeking = false;
2148        }
2149
2150        drainInputBuffers();
2151
2152        if (mState == EXECUTING) {
2153            // Otherwise mState == RECONFIGURING and this code will trigger
2154            // after the output port is reenabled.
2155            fillOutputBuffers();
2156        }
2157    }
2158
2159    if (seeking) {
2160        CODEC_LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
2161
2162        mSignalledEOS = false;
2163        mNoMoreOutputData = false;
2164
2165        CHECK(seekTimeUs >= 0);
2166        mSeekTimeUs = seekTimeUs;
2167
2168        mFilledBuffers.clear();
2169
2170        CHECK_EQ(mState, EXECUTING);
2171
2172        bool emulateInputFlushCompletion = !flushPortAsync(kPortIndexInput);
2173        bool emulateOutputFlushCompletion = !flushPortAsync(kPortIndexOutput);
2174
2175        if (emulateInputFlushCompletion) {
2176            onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2177        }
2178
2179        if (emulateOutputFlushCompletion) {
2180            onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2181        }
2182    }
2183
2184    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
2185        mBufferFilled.wait(mLock);
2186    }
2187
2188    if (mState == ERROR) {
2189        return UNKNOWN_ERROR;
2190    }
2191
2192    if (mFilledBuffers.empty()) {
2193        return ERROR_END_OF_STREAM;
2194    }
2195
2196    if (mOutputPortSettingsHaveChanged) {
2197        mOutputPortSettingsHaveChanged = false;
2198
2199        return INFO_FORMAT_CHANGED;
2200    }
2201
2202    size_t index = *mFilledBuffers.begin();
2203    mFilledBuffers.erase(mFilledBuffers.begin());
2204
2205    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
2206    info->mMediaBuffer->add_ref();
2207    *buffer = info->mMediaBuffer;
2208
2209    return OK;
2210}
2211
2212void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
2213    Mutex::Autolock autoLock(mLock);
2214
2215    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
2216    for (size_t i = 0; i < buffers->size(); ++i) {
2217        BufferInfo *info = &buffers->editItemAt(i);
2218
2219        if (info->mMediaBuffer == buffer) {
2220            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
2221            fillOutputBuffer(info);
2222            return;
2223        }
2224    }
2225
2226    CHECK(!"should not be here.");
2227}
2228
2229static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
2230    static const char *kNames[] = {
2231        "OMX_IMAGE_CodingUnused",
2232        "OMX_IMAGE_CodingAutoDetect",
2233        "OMX_IMAGE_CodingJPEG",
2234        "OMX_IMAGE_CodingJPEG2K",
2235        "OMX_IMAGE_CodingEXIF",
2236        "OMX_IMAGE_CodingTIFF",
2237        "OMX_IMAGE_CodingGIF",
2238        "OMX_IMAGE_CodingPNG",
2239        "OMX_IMAGE_CodingLZW",
2240        "OMX_IMAGE_CodingBMP",
2241    };
2242
2243    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2244
2245    if (type < 0 || (size_t)type >= numNames) {
2246        return "UNKNOWN";
2247    } else {
2248        return kNames[type];
2249    }
2250}
2251
2252static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
2253    static const char *kNames[] = {
2254        "OMX_COLOR_FormatUnused",
2255        "OMX_COLOR_FormatMonochrome",
2256        "OMX_COLOR_Format8bitRGB332",
2257        "OMX_COLOR_Format12bitRGB444",
2258        "OMX_COLOR_Format16bitARGB4444",
2259        "OMX_COLOR_Format16bitARGB1555",
2260        "OMX_COLOR_Format16bitRGB565",
2261        "OMX_COLOR_Format16bitBGR565",
2262        "OMX_COLOR_Format18bitRGB666",
2263        "OMX_COLOR_Format18bitARGB1665",
2264        "OMX_COLOR_Format19bitARGB1666",
2265        "OMX_COLOR_Format24bitRGB888",
2266        "OMX_COLOR_Format24bitBGR888",
2267        "OMX_COLOR_Format24bitARGB1887",
2268        "OMX_COLOR_Format25bitARGB1888",
2269        "OMX_COLOR_Format32bitBGRA8888",
2270        "OMX_COLOR_Format32bitARGB8888",
2271        "OMX_COLOR_FormatYUV411Planar",
2272        "OMX_COLOR_FormatYUV411PackedPlanar",
2273        "OMX_COLOR_FormatYUV420Planar",
2274        "OMX_COLOR_FormatYUV420PackedPlanar",
2275        "OMX_COLOR_FormatYUV420SemiPlanar",
2276        "OMX_COLOR_FormatYUV422Planar",
2277        "OMX_COLOR_FormatYUV422PackedPlanar",
2278        "OMX_COLOR_FormatYUV422SemiPlanar",
2279        "OMX_COLOR_FormatYCbYCr",
2280        "OMX_COLOR_FormatYCrYCb",
2281        "OMX_COLOR_FormatCbYCrY",
2282        "OMX_COLOR_FormatCrYCbY",
2283        "OMX_COLOR_FormatYUV444Interleaved",
2284        "OMX_COLOR_FormatRawBayer8bit",
2285        "OMX_COLOR_FormatRawBayer10bit",
2286        "OMX_COLOR_FormatRawBayer8bitcompressed",
2287        "OMX_COLOR_FormatL2",
2288        "OMX_COLOR_FormatL4",
2289        "OMX_COLOR_FormatL8",
2290        "OMX_COLOR_FormatL16",
2291        "OMX_COLOR_FormatL24",
2292        "OMX_COLOR_FormatL32",
2293        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
2294        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
2295        "OMX_COLOR_Format18BitBGR666",
2296        "OMX_COLOR_Format24BitARGB6666",
2297        "OMX_COLOR_Format24BitABGR6666",
2298    };
2299
2300    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2301
2302    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
2303        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
2304    } else if (type < 0 || (size_t)type >= numNames) {
2305        return "UNKNOWN";
2306    } else {
2307        return kNames[type];
2308    }
2309}
2310
2311static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
2312    static const char *kNames[] = {
2313        "OMX_VIDEO_CodingUnused",
2314        "OMX_VIDEO_CodingAutoDetect",
2315        "OMX_VIDEO_CodingMPEG2",
2316        "OMX_VIDEO_CodingH263",
2317        "OMX_VIDEO_CodingMPEG4",
2318        "OMX_VIDEO_CodingWMV",
2319        "OMX_VIDEO_CodingRV",
2320        "OMX_VIDEO_CodingAVC",
2321        "OMX_VIDEO_CodingMJPEG",
2322    };
2323
2324    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2325
2326    if (type < 0 || (size_t)type >= numNames) {
2327        return "UNKNOWN";
2328    } else {
2329        return kNames[type];
2330    }
2331}
2332
2333static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
2334    static const char *kNames[] = {
2335        "OMX_AUDIO_CodingUnused",
2336        "OMX_AUDIO_CodingAutoDetect",
2337        "OMX_AUDIO_CodingPCM",
2338        "OMX_AUDIO_CodingADPCM",
2339        "OMX_AUDIO_CodingAMR",
2340        "OMX_AUDIO_CodingGSMFR",
2341        "OMX_AUDIO_CodingGSMEFR",
2342        "OMX_AUDIO_CodingGSMHR",
2343        "OMX_AUDIO_CodingPDCFR",
2344        "OMX_AUDIO_CodingPDCEFR",
2345        "OMX_AUDIO_CodingPDCHR",
2346        "OMX_AUDIO_CodingTDMAFR",
2347        "OMX_AUDIO_CodingTDMAEFR",
2348        "OMX_AUDIO_CodingQCELP8",
2349        "OMX_AUDIO_CodingQCELP13",
2350        "OMX_AUDIO_CodingEVRC",
2351        "OMX_AUDIO_CodingSMV",
2352        "OMX_AUDIO_CodingG711",
2353        "OMX_AUDIO_CodingG723",
2354        "OMX_AUDIO_CodingG726",
2355        "OMX_AUDIO_CodingG729",
2356        "OMX_AUDIO_CodingAAC",
2357        "OMX_AUDIO_CodingMP3",
2358        "OMX_AUDIO_CodingSBC",
2359        "OMX_AUDIO_CodingVORBIS",
2360        "OMX_AUDIO_CodingWMA",
2361        "OMX_AUDIO_CodingRA",
2362        "OMX_AUDIO_CodingMIDI",
2363    };
2364
2365    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2366
2367    if (type < 0 || (size_t)type >= numNames) {
2368        return "UNKNOWN";
2369    } else {
2370        return kNames[type];
2371    }
2372}
2373
2374static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
2375    static const char *kNames[] = {
2376        "OMX_AUDIO_PCMModeLinear",
2377        "OMX_AUDIO_PCMModeALaw",
2378        "OMX_AUDIO_PCMModeMULaw",
2379    };
2380
2381    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2382
2383    if (type < 0 || (size_t)type >= numNames) {
2384        return "UNKNOWN";
2385    } else {
2386        return kNames[type];
2387    }
2388}
2389
2390static const char *amrBandModeString(OMX_AUDIO_AMRBANDMODETYPE type) {
2391    static const char *kNames[] = {
2392        "OMX_AUDIO_AMRBandModeUnused",
2393        "OMX_AUDIO_AMRBandModeNB0",
2394        "OMX_AUDIO_AMRBandModeNB1",
2395        "OMX_AUDIO_AMRBandModeNB2",
2396        "OMX_AUDIO_AMRBandModeNB3",
2397        "OMX_AUDIO_AMRBandModeNB4",
2398        "OMX_AUDIO_AMRBandModeNB5",
2399        "OMX_AUDIO_AMRBandModeNB6",
2400        "OMX_AUDIO_AMRBandModeNB7",
2401        "OMX_AUDIO_AMRBandModeWB0",
2402        "OMX_AUDIO_AMRBandModeWB1",
2403        "OMX_AUDIO_AMRBandModeWB2",
2404        "OMX_AUDIO_AMRBandModeWB3",
2405        "OMX_AUDIO_AMRBandModeWB4",
2406        "OMX_AUDIO_AMRBandModeWB5",
2407        "OMX_AUDIO_AMRBandModeWB6",
2408        "OMX_AUDIO_AMRBandModeWB7",
2409        "OMX_AUDIO_AMRBandModeWB8",
2410    };
2411
2412    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2413
2414    if (type < 0 || (size_t)type >= numNames) {
2415        return "UNKNOWN";
2416    } else {
2417        return kNames[type];
2418    }
2419}
2420
2421static const char *amrFrameFormatString(OMX_AUDIO_AMRFRAMEFORMATTYPE type) {
2422    static const char *kNames[] = {
2423        "OMX_AUDIO_AMRFrameFormatConformance",
2424        "OMX_AUDIO_AMRFrameFormatIF1",
2425        "OMX_AUDIO_AMRFrameFormatIF2",
2426        "OMX_AUDIO_AMRFrameFormatFSF",
2427        "OMX_AUDIO_AMRFrameFormatRTPPayload",
2428        "OMX_AUDIO_AMRFrameFormatITU",
2429    };
2430
2431    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2432
2433    if (type < 0 || (size_t)type >= numNames) {
2434        return "UNKNOWN";
2435    } else {
2436        return kNames[type];
2437    }
2438}
2439
2440void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
2441    OMX_PARAM_PORTDEFINITIONTYPE def;
2442    InitOMXParams(&def);
2443    def.nPortIndex = portIndex;
2444
2445    status_t err = mOMX->getParameter(
2446            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2447    CHECK_EQ(err, OK);
2448
2449    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
2450
2451    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
2452          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
2453
2454    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
2455    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
2456    printf("  nBufferSize = %ld\n", def.nBufferSize);
2457
2458    switch (def.eDomain) {
2459        case OMX_PortDomainImage:
2460        {
2461            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2462
2463            printf("\n");
2464            printf("  // Image\n");
2465            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
2466            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
2467            printf("  nStride = %ld\n", imageDef->nStride);
2468
2469            printf("  eCompressionFormat = %s\n",
2470                   imageCompressionFormatString(imageDef->eCompressionFormat));
2471
2472            printf("  eColorFormat = %s\n",
2473                   colorFormatString(imageDef->eColorFormat));
2474
2475            break;
2476        }
2477
2478        case OMX_PortDomainVideo:
2479        {
2480            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2481
2482            printf("\n");
2483            printf("  // Video\n");
2484            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
2485            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
2486            printf("  nStride = %ld\n", videoDef->nStride);
2487
2488            printf("  eCompressionFormat = %s\n",
2489                   videoCompressionFormatString(videoDef->eCompressionFormat));
2490
2491            printf("  eColorFormat = %s\n",
2492                   colorFormatString(videoDef->eColorFormat));
2493
2494            break;
2495        }
2496
2497        case OMX_PortDomainAudio:
2498        {
2499            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2500
2501            printf("\n");
2502            printf("  // Audio\n");
2503            printf("  eEncoding = %s\n",
2504                   audioCodingTypeString(audioDef->eEncoding));
2505
2506            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
2507                OMX_AUDIO_PARAM_PCMMODETYPE params;
2508                InitOMXParams(&params);
2509                params.nPortIndex = portIndex;
2510
2511                err = mOMX->getParameter(
2512                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2513                CHECK_EQ(err, OK);
2514
2515                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
2516                printf("  nChannels = %ld\n", params.nChannels);
2517                printf("  bInterleaved = %d\n", params.bInterleaved);
2518                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
2519
2520                printf("  eNumData = %s\n",
2521                       params.eNumData == OMX_NumericalDataSigned
2522                        ? "signed" : "unsigned");
2523
2524                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
2525            } else if (audioDef->eEncoding == OMX_AUDIO_CodingAMR) {
2526                OMX_AUDIO_PARAM_AMRTYPE amr;
2527                InitOMXParams(&amr);
2528                amr.nPortIndex = portIndex;
2529
2530                err = mOMX->getParameter(
2531                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2532                CHECK_EQ(err, OK);
2533
2534                printf("  nChannels = %ld\n", amr.nChannels);
2535                printf("  eAMRBandMode = %s\n",
2536                        amrBandModeString(amr.eAMRBandMode));
2537                printf("  eAMRFrameFormat = %s\n",
2538                        amrFrameFormatString(amr.eAMRFrameFormat));
2539            }
2540
2541            break;
2542        }
2543
2544        default:
2545        {
2546            printf("  // Unknown\n");
2547            break;
2548        }
2549    }
2550
2551    printf("}\n");
2552}
2553
2554void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
2555    mOutputFormat = new MetaData;
2556    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
2557
2558    OMX_PARAM_PORTDEFINITIONTYPE def;
2559    InitOMXParams(&def);
2560    def.nPortIndex = kPortIndexOutput;
2561
2562    status_t err = mOMX->getParameter(
2563            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2564    CHECK_EQ(err, OK);
2565
2566    switch (def.eDomain) {
2567        case OMX_PortDomainImage:
2568        {
2569            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2570            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2571
2572            mOutputFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
2573            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
2574            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
2575            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
2576            break;
2577        }
2578
2579        case OMX_PortDomainAudio:
2580        {
2581            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
2582
2583            if (audio_def->eEncoding == OMX_AUDIO_CodingPCM) {
2584                OMX_AUDIO_PARAM_PCMMODETYPE params;
2585                InitOMXParams(&params);
2586                params.nPortIndex = kPortIndexOutput;
2587
2588                err = mOMX->getParameter(
2589                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2590                CHECK_EQ(err, OK);
2591
2592                CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
2593                CHECK_EQ(params.nBitPerSample, 16);
2594                CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
2595
2596                int32_t numChannels, sampleRate;
2597                inputFormat->findInt32(kKeyChannelCount, &numChannels);
2598                inputFormat->findInt32(kKeySampleRate, &sampleRate);
2599
2600                if ((OMX_U32)numChannels != params.nChannels) {
2601                    LOGW("Codec outputs a different number of channels than "
2602                         "the input stream contains.");
2603                }
2604
2605                mOutputFormat->setCString(
2606                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
2607
2608                // Use the codec-advertised number of channels, as some
2609                // codecs appear to output stereo even if the input data is
2610                // mono.
2611                mOutputFormat->setInt32(kKeyChannelCount, params.nChannels);
2612
2613                // The codec-reported sampleRate is not reliable...
2614                mOutputFormat->setInt32(kKeySampleRate, sampleRate);
2615            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAMR) {
2616                OMX_AUDIO_PARAM_AMRTYPE amr;
2617                InitOMXParams(&amr);
2618                amr.nPortIndex = kPortIndexOutput;
2619
2620                err = mOMX->getParameter(
2621                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2622                CHECK_EQ(err, OK);
2623
2624                CHECK_EQ(amr.nChannels, 1);
2625                mOutputFormat->setInt32(kKeyChannelCount, 1);
2626
2627                if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeNB0
2628                    && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeNB7) {
2629                    mOutputFormat->setCString(
2630                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_NB);
2631                    mOutputFormat->setInt32(kKeySampleRate, 8000);
2632                } else if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0
2633                            && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeWB8) {
2634                    mOutputFormat->setCString(
2635                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_WB);
2636                    mOutputFormat->setInt32(kKeySampleRate, 16000);
2637                } else {
2638                    CHECK(!"Unknown AMR band mode.");
2639                }
2640            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAAC) {
2641                mOutputFormat->setCString(
2642                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AAC);
2643            } else {
2644                CHECK(!"Should not be here. Unknown audio encoding.");
2645            }
2646            break;
2647        }
2648
2649        case OMX_PortDomainVideo:
2650        {
2651            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2652
2653            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
2654                mOutputFormat->setCString(
2655                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
2656            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
2657                mOutputFormat->setCString(
2658                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
2659            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
2660                mOutputFormat->setCString(
2661                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
2662            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
2663                mOutputFormat->setCString(
2664                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
2665            } else {
2666                CHECK(!"Unknown compression format.");
2667            }
2668
2669            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
2670                // This component appears to be lying to me.
2671                mOutputFormat->setInt32(
2672                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
2673                mOutputFormat->setInt32(
2674                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
2675            } else {
2676                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
2677                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
2678            }
2679
2680            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
2681            break;
2682        }
2683
2684        default:
2685        {
2686            CHECK(!"should not be here, neither audio nor video.");
2687            break;
2688        }
2689    }
2690}
2691
2692////////////////////////////////////////////////////////////////////////////////
2693
2694status_t QueryCodecs(
2695        const sp<IOMX> &omx,
2696        const char *mime, bool queryDecoders,
2697        Vector<CodecCapabilities> *results) {
2698    results->clear();
2699
2700    for (int index = 0;; ++index) {
2701        const char *componentName;
2702
2703        if (!queryDecoders) {
2704            componentName = GetCodec(
2705                    kEncoderInfo, sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
2706                    mime, index);
2707        } else {
2708            componentName = GetCodec(
2709                    kDecoderInfo, sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
2710                    mime, index);
2711        }
2712
2713        if (!componentName) {
2714            return OK;
2715        }
2716
2717        sp<OMXCodecObserver> observer = new OMXCodecObserver;
2718        IOMX::node_id node;
2719        status_t err = omx->allocateNode(componentName, observer, &node);
2720
2721        if (err != OK) {
2722            continue;
2723        }
2724
2725        OMXCodec::setComponentRole(omx, node, queryDecoders, mime);
2726
2727        results->push();
2728        CodecCapabilities *caps = &results->editItemAt(results->size() - 1);
2729        caps->mComponentName = componentName;
2730
2731        OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
2732        InitOMXParams(&param);
2733
2734        param.nPortIndex = queryDecoders ? 0 : 1;
2735
2736        for (param.nProfileIndex = 0;; ++param.nProfileIndex) {
2737            err = omx->getParameter(
2738                    node, OMX_IndexParamVideoProfileLevelQuerySupported,
2739                    &param, sizeof(param));
2740
2741            if (err != OK) {
2742                break;
2743            }
2744
2745            CodecProfileLevel profileLevel;
2746            profileLevel.mProfile = param.eProfile;
2747            profileLevel.mLevel = param.eLevel;
2748
2749            caps->mProfileLevels.push(profileLevel);
2750        }
2751
2752        CHECK_EQ(omx->freeNode(node), OK);
2753    }
2754}
2755
2756}  // namespace android
2757