OMXCodec.cpp revision 5295c0c55d41a2906ea7f65a3f22e6278cb17d4b 
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/AACDecoder.h"
22#include "include/AMRNBDecoder.h"
23#include "include/AMRNBEncoder.h"
24#include "include/AMRWBDecoder.h"
25#include "include/AVCDecoder.h"
26#include "include/M4vH263Decoder.h"
27#include "include/MP3Decoder.h"
28
29#include "include/ESDS.h"
30
31#include <binder/IServiceManager.h>
32#include <binder/MemoryDealer.h>
33#include <binder/ProcessState.h>
34#include <media/IMediaPlayerService.h>
35#include <media/stagefright/MediaBuffer.h>
36#include <media/stagefright/MediaBufferGroup.h>
37#include <media/stagefright/MediaDebug.h>
38#include <media/stagefright/MediaDefs.h>
39#include <media/stagefright/MediaExtractor.h>
40#include <media/stagefright/MetaData.h>
41#include <media/stagefright/OMXCodec.h>
42#include <media/stagefright/Utils.h>
43#include <utils/Vector.h>
44
45#include <OMX_Audio.h>
46#include <OMX_Component.h>
47
48namespace android {
49
50static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
51
52struct CodecInfo {
53    const char *mime;
54    const char *codec;
55};
56
57#define FACTORY_CREATE(name) \
58static sp<MediaSource> Make##name(const sp<MediaSource> &source) { \
59    return new name(source); \
60}
61
62#define FACTORY_REF(name) { #name, Make##name },
63
64FACTORY_CREATE(MP3Decoder)
65FACTORY_CREATE(AMRNBDecoder)
66FACTORY_CREATE(AMRWBDecoder)
67FACTORY_CREATE(AACDecoder)
68FACTORY_CREATE(AVCDecoder)
69FACTORY_CREATE(M4vH263Decoder)
70FACTORY_CREATE(AMRNBEncoder)
71
72static sp<MediaSource> InstantiateSoftwareCodec(
73        const char *name, const sp<MediaSource> &source) {
74    struct FactoryInfo {
75        const char *name;
76        sp<MediaSource> (*CreateFunc)(const sp<MediaSource> &);
77    };
78
79    static const FactoryInfo kFactoryInfo[] = {
80        FACTORY_REF(MP3Decoder)
81        FACTORY_REF(AMRNBDecoder)
82        FACTORY_REF(AMRWBDecoder)
83        FACTORY_REF(AACDecoder)
84        FACTORY_REF(AVCDecoder)
85        FACTORY_REF(M4vH263Decoder)
86        FACTORY_REF(AMRNBEncoder)
87    };
88    for (size_t i = 0;
89         i < sizeof(kFactoryInfo) / sizeof(kFactoryInfo[0]); ++i) {
90        if (!strcmp(name, kFactoryInfo[i].name)) {
91            return (*kFactoryInfo[i].CreateFunc)(source);
92        }
93    }
94
95    return NULL;
96}
97
98#undef FACTORY_REF
99#undef FACTORY_CREATE
100
101static const CodecInfo kDecoderInfo[] = {
102    { MEDIA_MIMETYPE_IMAGE_JPEG, "OMX.TI.JPEG.decode" },
103    { MEDIA_MIMETYPE_AUDIO_MPEG, "OMX.TI.MP3.decode" },
104    { MEDIA_MIMETYPE_AUDIO_MPEG, "MP3Decoder" },
105    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "AMRNBDecoder" },
106    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.decode" },
107    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "AMRWBDecoder" },
108    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.decode" },
109    { MEDIA_MIMETYPE_AUDIO_AAC, "AACDecoder" },
110    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.decoder.mpeg4" },
111    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.Decoder" },
112    { MEDIA_MIMETYPE_VIDEO_MPEG4, "M4vH263Decoder" },
113    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.decoder.h263" },
114    { MEDIA_MIMETYPE_VIDEO_H263, "M4vH263Decoder" },
115    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.qcom.video.decoder.avc" },
116    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.Decoder" },
117    { MEDIA_MIMETYPE_VIDEO_AVC, "AVCDecoder" },
118};
119
120static const CodecInfo kEncoderInfo[] = {
121    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.TI.AMR.encode" },
122    { MEDIA_MIMETYPE_AUDIO_AMR_NB, "AMRNBEncoder" },
123    { MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.encode" },
124    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.encode" },
125    { MEDIA_MIMETYPE_AUDIO_AAC, "OMX.PV.aacenc" },
126    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.qcom.video.encoder.mpeg4" },
127    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.TI.Video.encoder" },
128    { MEDIA_MIMETYPE_VIDEO_MPEG4, "OMX.PV.mpeg4enc" },
129    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.encoder.h263" },
130    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.TI.Video.encoder" },
131    { MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263enc" },
132    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.encoder" },
133    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcenc" },
134};
135
136#undef OPTIONAL
137
138#define CODEC_LOGI(x, ...) LOGI("[%s] "x, mComponentName, ##__VA_ARGS__)
139#define CODEC_LOGV(x, ...) LOGV("[%s] "x, mComponentName, ##__VA_ARGS__)
140#define CODEC_LOGE(x, ...) LOGE("[%s] "x, mComponentName, ##__VA_ARGS__)
141
142struct OMXCodecObserver : public BnOMXObserver {
143    OMXCodecObserver() {
144    }
145
146    void setCodec(const sp<OMXCodec> &target) {
147        mTarget = target;
148    }
149
150    // from IOMXObserver
151    virtual void onMessage(const omx_message &msg) {
152        sp<OMXCodec> codec = mTarget.promote();
153
154        if (codec.get() != NULL) {
155            codec->on_message(msg);
156        }
157    }
158
159protected:
160    virtual ~OMXCodecObserver() {}
161
162private:
163    wp<OMXCodec> mTarget;
164
165    OMXCodecObserver(const OMXCodecObserver &);
166    OMXCodecObserver &operator=(const OMXCodecObserver &);
167};
168
169static const char *GetCodec(const CodecInfo *info, size_t numInfos,
170                            const char *mime, int index) {
171    CHECK(index >= 0);
172    for(size_t i = 0; i < numInfos; ++i) {
173        if (!strcasecmp(mime, info[i].mime)) {
174            if (index == 0) {
175                return info[i].codec;
176            }
177
178            --index;
179        }
180    }
181
182    return NULL;
183}
184
185enum {
186    kAVCProfileBaseline      = 0x42,
187    kAVCProfileMain          = 0x4d,
188    kAVCProfileExtended      = 0x58,
189    kAVCProfileHigh          = 0x64,
190    kAVCProfileHigh10        = 0x6e,
191    kAVCProfileHigh422       = 0x7a,
192    kAVCProfileHigh444       = 0xf4,
193    kAVCProfileCAVLC444Intra = 0x2c
194};
195
196static const char *AVCProfileToString(uint8_t profile) {
197    switch (profile) {
198        case kAVCProfileBaseline:
199            return "Baseline";
200        case kAVCProfileMain:
201            return "Main";
202        case kAVCProfileExtended:
203            return "Extended";
204        case kAVCProfileHigh:
205            return "High";
206        case kAVCProfileHigh10:
207            return "High 10";
208        case kAVCProfileHigh422:
209            return "High 422";
210        case kAVCProfileHigh444:
211            return "High 444";
212        case kAVCProfileCAVLC444Intra:
213            return "CAVLC 444 Intra";
214        default:   return "Unknown";
215    }
216}
217
218template<class T>
219static void InitOMXParams(T *params) {
220    params->nSize = sizeof(T);
221    params->nVersion.s.nVersionMajor = 1;
222    params->nVersion.s.nVersionMinor = 0;
223    params->nVersion.s.nRevision = 0;
224    params->nVersion.s.nStep = 0;
225}
226
227static bool IsSoftwareCodec(const char *componentName) {
228    if (!strncmp("OMX.PV.", componentName, 7)) {
229        return true;
230    }
231
232    return false;
233}
234
235// A sort order in which non-OMX components are first,
236// followed by software codecs, i.e. OMX.PV.*, followed
237// by all the others.
238static int CompareSoftwareCodecsFirst(
239        const String8 *elem1, const String8 *elem2) {
240    bool isNotOMX1 = strncmp(elem1->string(), "OMX.", 4);
241    bool isNotOMX2 = strncmp(elem2->string(), "OMX.", 4);
242
243    if (isNotOMX1) {
244        if (isNotOMX2) { return 0; }
245        return -1;
246    }
247    if (isNotOMX2) {
248        return 1;
249    }
250
251    bool isSoftwareCodec1 = IsSoftwareCodec(elem1->string());
252    bool isSoftwareCodec2 = IsSoftwareCodec(elem2->string());
253
254    if (isSoftwareCodec1) {
255        if (isSoftwareCodec2) { return 0; }
256        return -1;
257    }
258
259    if (isSoftwareCodec2) {
260        return 1;
261    }
262
263    return 0;
264}
265
266// static
267uint32_t OMXCodec::getComponentQuirks(const char *componentName) {
268    uint32_t quirks = 0;
269
270    if (!strcmp(componentName, "OMX.PV.avcdec")) {
271        quirks |= kWantsNALFragments;
272    }
273    if (!strcmp(componentName, "OMX.TI.MP3.decode")) {
274        quirks |= kNeedsFlushBeforeDisable;
275        quirks |= kDecoderLiesAboutNumberOfChannels;
276    }
277    if (!strcmp(componentName, "OMX.TI.AAC.decode")) {
278        quirks |= kNeedsFlushBeforeDisable;
279        quirks |= kRequiresFlushCompleteEmulation;
280    }
281    if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
282        quirks |= kRequiresLoadedToIdleAfterAllocation;
283        quirks |= kRequiresAllocateBufferOnInputPorts;
284        quirks |= kRequiresAllocateBufferOnOutputPorts;
285    }
286    if (!strncmp(componentName, "OMX.qcom.video.decoder.", 23)) {
287        quirks |= kRequiresAllocateBufferOnOutputPorts;
288        quirks |= kDefersOutputBufferAllocation;
289    }
290
291    if (!strncmp(componentName, "OMX.TI.", 7)) {
292        // Apparently I must not use OMX_UseBuffer on either input or
293        // output ports on any of the TI components or quote:
294        // "(I) may have unexpected problem (sic) which can be timing related
295        //  and hard to reproduce."
296
297        quirks |= kRequiresAllocateBufferOnInputPorts;
298        quirks |= kRequiresAllocateBufferOnOutputPorts;
299    }
300
301    if (!strcmp(componentName, "OMX.TI.Video.Decoder")) {
302        quirks |= kInputBufferSizesAreBogus;
303    }
304
305    return quirks;
306}
307
308// static
309void OMXCodec::findMatchingCodecs(
310        const char *mime,
311        bool createEncoder, const char *matchComponentName,
312        uint32_t flags,
313        Vector<String8> *matchingCodecs) {
314    matchingCodecs->clear();
315
316    for (int index = 0;; ++index) {
317        const char *componentName;
318
319        if (createEncoder) {
320            componentName = GetCodec(
321                    kEncoderInfo,
322                    sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
323                    mime, index);
324        } else {
325            componentName = GetCodec(
326                    kDecoderInfo,
327                    sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
328                    mime, index);
329        }
330
331        if (!componentName) {
332            break;
333        }
334
335        // If a specific codec is requested, skip the non-matching ones.
336        if (matchComponentName && strcmp(componentName, matchComponentName)) {
337            continue;
338        }
339
340        matchingCodecs->push(String8(componentName));
341    }
342
343    if (flags & kPreferSoftwareCodecs) {
344        matchingCodecs->sort(CompareSoftwareCodecsFirst);
345    }
346}
347
348// static
349sp<MediaSource> OMXCodec::Create(
350        const sp<IOMX> &omx,
351        const sp<MetaData> &meta, bool createEncoder,
352        const sp<MediaSource> &source,
353        const char *matchComponentName,
354        uint32_t flags) {
355    const char *mime;
356    bool success = meta->findCString(kKeyMIMEType, &mime);
357    CHECK(success);
358
359    Vector<String8> matchingCodecs;
360    findMatchingCodecs(
361            mime, createEncoder, matchComponentName, flags, &matchingCodecs);
362
363    if (matchingCodecs.isEmpty()) {
364        return NULL;
365    }
366
367    sp<OMXCodecObserver> observer = new OMXCodecObserver;
368    IOMX::node_id node = 0;
369    success = false;
370
371    const char *componentName;
372    for (size_t i = 0; i < matchingCodecs.size(); ++i) {
373        componentName = matchingCodecs[i].string();
374
375#if BUILD_WITH_FULL_STAGEFRIGHT
376        sp<MediaSource> softwareCodec =
377            InstantiateSoftwareCodec(componentName, source);
378
379        if (softwareCodec != NULL) {
380            LOGV("Successfully allocated software codec '%s'", componentName);
381
382            return softwareCodec;
383        }
384#endif
385
386        LOGV("Attempting to allocate OMX node '%s'", componentName);
387
388        status_t err = omx->allocateNode(componentName, observer, &node);
389        if (err == OK) {
390            LOGV("Successfully allocated OMX node '%s'", componentName);
391
392            success = true;
393            break;
394        }
395    }
396
397    if (!success) {
398        return NULL;
399    }
400
401    sp<OMXCodec> codec = new OMXCodec(
402            omx, node, getComponentQuirks(componentName),
403            createEncoder, mime, componentName,
404            source);
405
406    observer->setCodec(codec);
407
408    uint32_t type;
409    const void *data;
410    size_t size;
411    if (meta->findData(kKeyESDS, &type, &data, &size)) {
412        ESDS esds((const char *)data, size);
413        CHECK_EQ(esds.InitCheck(), OK);
414
415        const void *codec_specific_data;
416        size_t codec_specific_data_size;
417        esds.getCodecSpecificInfo(
418                &codec_specific_data, &codec_specific_data_size);
419
420        codec->addCodecSpecificData(
421                codec_specific_data, codec_specific_data_size);
422    } else if (meta->findData(kKeyAVCC, &type, &data, &size)) {
423        // Parse the AVCDecoderConfigurationRecord
424
425        const uint8_t *ptr = (const uint8_t *)data;
426
427        CHECK(size >= 7);
428        CHECK_EQ(ptr[0], 1);  // configurationVersion == 1
429        uint8_t profile = ptr[1];
430        uint8_t level = ptr[3];
431
432        // There is decodable content out there that fails the following
433        // assertion, let's be lenient for now...
434        // CHECK((ptr[4] >> 2) == 0x3f);  // reserved
435
436        size_t lengthSize = 1 + (ptr[4] & 3);
437
438        // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
439        // violates it...
440        // CHECK((ptr[5] >> 5) == 7);  // reserved
441
442        size_t numSeqParameterSets = ptr[5] & 31;
443
444        ptr += 6;
445        size -= 6;
446
447        for (size_t i = 0; i < numSeqParameterSets; ++i) {
448            CHECK(size >= 2);
449            size_t length = U16_AT(ptr);
450
451            ptr += 2;
452            size -= 2;
453
454            CHECK(size >= length);
455
456            codec->addCodecSpecificData(ptr, length);
457
458            ptr += length;
459            size -= length;
460        }
461
462        CHECK(size >= 1);
463        size_t numPictureParameterSets = *ptr;
464        ++ptr;
465        --size;
466
467        for (size_t i = 0; i < numPictureParameterSets; ++i) {
468            CHECK(size >= 2);
469            size_t length = U16_AT(ptr);
470
471            ptr += 2;
472            size -= 2;
473
474            CHECK(size >= length);
475
476            codec->addCodecSpecificData(ptr, length);
477
478            ptr += length;
479            size -= length;
480        }
481
482        LOGV("AVC profile = %d (%s), level = %d",
483             (int)profile, AVCProfileToString(profile), (int)level / 10);
484
485        if (!strcmp(componentName, "OMX.TI.Video.Decoder")
486            && (profile != kAVCProfileBaseline || level > 39)) {
487            // This stream exceeds the decoder's capabilities. The decoder
488            // does not handle this gracefully and would clobber the heap
489            // and wreak havoc instead...
490
491            LOGE("Profile and/or level exceed the decoder's capabilities.");
492            return NULL;
493        }
494    }
495
496    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_NB, mime)) {
497        codec->setAMRFormat(false /* isWAMR */);
498    }
499    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AMR_WB, mime)) {
500        codec->setAMRFormat(true /* isWAMR */);
501    }
502    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AAC, mime)) {
503        int32_t numChannels, sampleRate;
504        CHECK(meta->findInt32(kKeyChannelCount, &numChannels));
505        CHECK(meta->findInt32(kKeySampleRate, &sampleRate));
506
507        codec->setAACFormat(numChannels, sampleRate);
508    }
509    if (!strncasecmp(mime, "video/", 6)) {
510        int32_t width, height;
511        bool success = meta->findInt32(kKeyWidth, &width);
512        success = success && meta->findInt32(kKeyHeight, &height);
513        CHECK(success);
514
515        if (createEncoder) {
516            codec->setVideoInputFormat(mime, width, height);
517        } else {
518            codec->setVideoOutputFormat(mime, width, height);
519        }
520    }
521    if (!strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_JPEG)
522        && !strcmp(componentName, "OMX.TI.JPEG.decode")) {
523        OMX_COLOR_FORMATTYPE format =
524            OMX_COLOR_Format32bitARGB8888;
525            // OMX_COLOR_FormatYUV420PackedPlanar;
526            // OMX_COLOR_FormatCbYCrY;
527            // OMX_COLOR_FormatYUV411Planar;
528
529        int32_t width, height;
530        bool success = meta->findInt32(kKeyWidth, &width);
531        success = success && meta->findInt32(kKeyHeight, &height);
532
533        int32_t compressedSize;
534        success = success && meta->findInt32(
535                kKeyMaxInputSize, &compressedSize);
536
537        CHECK(success);
538        CHECK(compressedSize > 0);
539
540        codec->setImageOutputFormat(format, width, height);
541        codec->setJPEGInputFormat(width, height, (OMX_U32)compressedSize);
542    }
543
544    int32_t maxInputSize;
545    if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
546        codec->setMinBufferSize(kPortIndexInput, (OMX_U32)maxInputSize);
547    }
548
549    if (!strcmp(componentName, "OMX.TI.AMR.encode")
550        || !strcmp(componentName, "OMX.TI.WBAMR.encode")) {
551        codec->setMinBufferSize(kPortIndexOutput, 8192);  // XXX
552    }
553
554    codec->initOutputFormat(meta);
555
556    return codec;
557}
558
559void OMXCodec::setMinBufferSize(OMX_U32 portIndex, OMX_U32 size) {
560    OMX_PARAM_PORTDEFINITIONTYPE def;
561    InitOMXParams(&def);
562    def.nPortIndex = portIndex;
563
564    status_t err = mOMX->getParameter(
565            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
566    CHECK_EQ(err, OK);
567
568    if ((portIndex == kPortIndexInput && (mQuirks & kInputBufferSizesAreBogus))
569        || (def.nBufferSize < size)) {
570        def.nBufferSize = size;
571    }
572
573    err = mOMX->setParameter(
574            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
575    CHECK_EQ(err, OK);
576
577    err = mOMX->getParameter(
578            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
579    CHECK_EQ(err, OK);
580
581    // Make sure the setting actually stuck.
582    if (portIndex == kPortIndexInput
583            && (mQuirks & kInputBufferSizesAreBogus)) {
584        CHECK_EQ(def.nBufferSize, size);
585    } else {
586        CHECK(def.nBufferSize >= size);
587    }
588}
589
590status_t OMXCodec::setVideoPortFormatType(
591        OMX_U32 portIndex,
592        OMX_VIDEO_CODINGTYPE compressionFormat,
593        OMX_COLOR_FORMATTYPE colorFormat) {
594    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
595    InitOMXParams(&format);
596    format.nPortIndex = portIndex;
597    format.nIndex = 0;
598    bool found = false;
599
600    OMX_U32 index = 0;
601    for (;;) {
602        format.nIndex = index;
603        status_t err = mOMX->getParameter(
604                mNode, OMX_IndexParamVideoPortFormat,
605                &format, sizeof(format));
606
607        if (err != OK) {
608            return err;
609        }
610
611        // The following assertion is violated by TI's video decoder.
612        // CHECK_EQ(format.nIndex, index);
613
614#if 1
615        CODEC_LOGV("portIndex: %ld, index: %ld, eCompressionFormat=%d eColorFormat=%d",
616             portIndex,
617             index, format.eCompressionFormat, format.eColorFormat);
618#endif
619
620        if (!strcmp("OMX.TI.Video.encoder", mComponentName)) {
621            if (portIndex == kPortIndexInput
622                    && colorFormat == format.eColorFormat) {
623                // eCompressionFormat does not seem right.
624                found = true;
625                break;
626            }
627            if (portIndex == kPortIndexOutput
628                    && compressionFormat == format.eCompressionFormat) {
629                // eColorFormat does not seem right.
630                found = true;
631                break;
632            }
633        }
634
635        if (format.eCompressionFormat == compressionFormat
636            && format.eColorFormat == colorFormat) {
637            found = true;
638            break;
639        }
640
641        ++index;
642    }
643
644    if (!found) {
645        return UNKNOWN_ERROR;
646    }
647
648    CODEC_LOGV("found a match.");
649    status_t err = mOMX->setParameter(
650            mNode, OMX_IndexParamVideoPortFormat,
651            &format, sizeof(format));
652
653    return err;
654}
655
656static size_t getFrameSize(
657        OMX_COLOR_FORMATTYPE colorFormat, int32_t width, int32_t height) {
658    switch (colorFormat) {
659        case OMX_COLOR_FormatYCbYCr:
660        case OMX_COLOR_FormatCbYCrY:
661            return width * height * 2;
662
663        case OMX_COLOR_FormatYUV420SemiPlanar:
664            return (width * height * 3) / 2;
665
666        default:
667            CHECK(!"Should not be here. Unsupported color format.");
668            break;
669    }
670}
671
672void OMXCodec::setVideoInputFormat(
673        const char *mime, OMX_U32 width, OMX_U32 height) {
674    CODEC_LOGV("setVideoInputFormat width=%ld, height=%ld", width, height);
675
676    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
677    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
678        compressionFormat = OMX_VIDEO_CodingAVC;
679    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
680        compressionFormat = OMX_VIDEO_CodingMPEG4;
681    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
682        compressionFormat = OMX_VIDEO_CodingH263;
683    } else {
684        LOGE("Not a supported video mime type: %s", mime);
685        CHECK(!"Should not be here. Not a supported video mime type.");
686    }
687
688    OMX_COLOR_FORMATTYPE colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
689    if (!strcasecmp("OMX.TI.Video.encoder", mComponentName)) {
690        colorFormat = OMX_COLOR_FormatYCbYCr;
691    }
692
693    CHECK_EQ(setVideoPortFormatType(
694            kPortIndexInput, OMX_VIDEO_CodingUnused,
695            colorFormat), OK);
696
697    CHECK_EQ(setVideoPortFormatType(
698            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused),
699            OK);
700
701    OMX_PARAM_PORTDEFINITIONTYPE def;
702    InitOMXParams(&def);
703    def.nPortIndex = kPortIndexOutput;
704
705    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
706
707    status_t err = mOMX->getParameter(
708            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
709
710    CHECK_EQ(err, OK);
711    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
712
713    video_def->nFrameWidth = width;
714    video_def->nFrameHeight = height;
715
716    video_def->eCompressionFormat = compressionFormat;
717    video_def->eColorFormat = OMX_COLOR_FormatUnused;
718
719    err = mOMX->setParameter(
720            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
721    CHECK_EQ(err, OK);
722
723    ////////////////////////////////////////////////////////////////////////////
724
725    InitOMXParams(&def);
726    def.nPortIndex = kPortIndexInput;
727
728    err = mOMX->getParameter(
729            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
730    CHECK_EQ(err, OK);
731
732    def.nBufferSize = getFrameSize(colorFormat, width, height);
733    CODEC_LOGV("Setting nBufferSize = %ld", def.nBufferSize);
734
735    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
736
737    video_def->nFrameWidth = width;
738    video_def->nFrameHeight = height;
739    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
740    video_def->eColorFormat = colorFormat;
741
742    video_def->xFramerate = 24 << 16;  // XXX crucial!
743
744    err = mOMX->setParameter(
745            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
746    CHECK_EQ(err, OK);
747
748    switch (compressionFormat) {
749        case OMX_VIDEO_CodingMPEG4:
750        {
751            CHECK_EQ(setupMPEG4EncoderParameters(), OK);
752            break;
753        }
754
755        case OMX_VIDEO_CodingH263:
756            break;
757
758        case OMX_VIDEO_CodingAVC:
759        {
760            CHECK_EQ(setupAVCEncoderParameters(), OK);
761            break;
762        }
763
764        default:
765            CHECK(!"Support for this compressionFormat to be implemented.");
766            break;
767    }
768}
769
770status_t OMXCodec::setupMPEG4EncoderParameters() {
771    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
772    InitOMXParams(&mpeg4type);
773    mpeg4type.nPortIndex = kPortIndexOutput;
774
775    status_t err = mOMX->getParameter(
776            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
777    CHECK_EQ(err, OK);
778
779    mpeg4type.nSliceHeaderSpacing = 0;
780    mpeg4type.bSVH = OMX_FALSE;
781    mpeg4type.bGov = OMX_FALSE;
782
783    mpeg4type.nAllowedPictureTypes =
784        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
785
786    mpeg4type.nPFrames = 23;
787    mpeg4type.nBFrames = 0;
788
789    mpeg4type.nIDCVLCThreshold = 0;
790    mpeg4type.bACPred = OMX_TRUE;
791    mpeg4type.nMaxPacketSize = 256;
792    mpeg4type.nTimeIncRes = 1000;
793    mpeg4type.nHeaderExtension = 0;
794    mpeg4type.bReversibleVLC = OMX_FALSE;
795
796    mpeg4type.eProfile = OMX_VIDEO_MPEG4ProfileCore;
797    mpeg4type.eLevel = OMX_VIDEO_MPEG4Level2;
798
799    err = mOMX->setParameter(
800            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
801    CHECK_EQ(err, OK);
802
803    // ----------------
804
805    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
806    InitOMXParams(&bitrateType);
807    bitrateType.nPortIndex = kPortIndexOutput;
808
809    err = mOMX->getParameter(
810            mNode, OMX_IndexParamVideoBitrate,
811            &bitrateType, sizeof(bitrateType));
812    CHECK_EQ(err, OK);
813
814    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
815    bitrateType.nTargetBitrate = 1000000;
816
817    err = mOMX->setParameter(
818            mNode, OMX_IndexParamVideoBitrate,
819            &bitrateType, sizeof(bitrateType));
820    CHECK_EQ(err, OK);
821
822    // ----------------
823
824    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
825    InitOMXParams(&errorCorrectionType);
826    errorCorrectionType.nPortIndex = kPortIndexOutput;
827
828    err = mOMX->getParameter(
829            mNode, OMX_IndexParamVideoErrorCorrection,
830            &errorCorrectionType, sizeof(errorCorrectionType));
831    CHECK_EQ(err, OK);
832
833    errorCorrectionType.bEnableHEC = OMX_FALSE;
834    errorCorrectionType.bEnableResync = OMX_TRUE;
835    errorCorrectionType.nResynchMarkerSpacing = 256;
836    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
837    errorCorrectionType.bEnableRVLC = OMX_FALSE;
838
839    err = mOMX->setParameter(
840            mNode, OMX_IndexParamVideoErrorCorrection,
841            &errorCorrectionType, sizeof(errorCorrectionType));
842    CHECK_EQ(err, OK);
843
844    return OK;
845}
846
847status_t OMXCodec::setupAVCEncoderParameters() {
848    OMX_VIDEO_PARAM_AVCTYPE h264type;
849    InitOMXParams(&h264type);
850    h264type.nPortIndex = kPortIndexOutput;
851
852    status_t err = mOMX->getParameter(
853            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
854    CHECK_EQ(err, OK);
855
856    h264type.nAllowedPictureTypes =
857        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
858
859    h264type.nSliceHeaderSpacing = 0;
860    h264type.nBFrames = 0;
861    h264type.bUseHadamard = OMX_TRUE;
862    h264type.nRefFrames = 1;
863    h264type.nRefIdx10ActiveMinus1 = 0;
864    h264type.nRefIdx11ActiveMinus1 = 0;
865    h264type.bEnableUEP = OMX_FALSE;
866    h264type.bEnableFMO = OMX_FALSE;
867    h264type.bEnableASO = OMX_FALSE;
868    h264type.bEnableRS = OMX_FALSE;
869    h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
870    h264type.eLevel = OMX_VIDEO_AVCLevel1b;
871    h264type.bFrameMBsOnly = OMX_TRUE;
872    h264type.bMBAFF = OMX_FALSE;
873    h264type.bEntropyCodingCABAC = OMX_FALSE;
874    h264type.bWeightedPPrediction = OMX_FALSE;
875    h264type.bconstIpred = OMX_FALSE;
876    h264type.bDirect8x8Inference = OMX_FALSE;
877    h264type.bDirectSpatialTemporal = OMX_FALSE;
878    h264type.nCabacInitIdc = 0;
879    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
880
881    err = mOMX->setParameter(
882            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
883    CHECK_EQ(err, OK);
884
885    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
886    InitOMXParams(&bitrateType);
887    bitrateType.nPortIndex = kPortIndexOutput;
888
889    err = mOMX->getParameter(
890            mNode, OMX_IndexParamVideoBitrate,
891            &bitrateType, sizeof(bitrateType));
892    CHECK_EQ(err, OK);
893
894    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
895    bitrateType.nTargetBitrate = 1000000;
896
897    err = mOMX->setParameter(
898            mNode, OMX_IndexParamVideoBitrate,
899            &bitrateType, sizeof(bitrateType));
900    CHECK_EQ(err, OK);
901
902    return OK;
903}
904
905void OMXCodec::setVideoOutputFormat(
906        const char *mime, OMX_U32 width, OMX_U32 height) {
907    CODEC_LOGV("setVideoOutputFormat width=%ld, height=%ld", width, height);
908
909    OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
910    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
911        compressionFormat = OMX_VIDEO_CodingAVC;
912    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
913        compressionFormat = OMX_VIDEO_CodingMPEG4;
914    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
915        compressionFormat = OMX_VIDEO_CodingH263;
916    } else {
917        LOGE("Not a supported video mime type: %s", mime);
918        CHECK(!"Should not be here. Not a supported video mime type.");
919    }
920
921    setVideoPortFormatType(
922            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
923
924#if 1
925    {
926        OMX_VIDEO_PARAM_PORTFORMATTYPE format;
927        InitOMXParams(&format);
928        format.nPortIndex = kPortIndexOutput;
929        format.nIndex = 0;
930
931        status_t err = mOMX->getParameter(
932                mNode, OMX_IndexParamVideoPortFormat,
933                &format, sizeof(format));
934        CHECK_EQ(err, OK);
935        CHECK_EQ(format.eCompressionFormat, OMX_VIDEO_CodingUnused);
936
937        static const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
938
939        CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
940               || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
941               || format.eColorFormat == OMX_COLOR_FormatCbYCrY
942               || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
943
944        err = mOMX->setParameter(
945                mNode, OMX_IndexParamVideoPortFormat,
946                &format, sizeof(format));
947        CHECK_EQ(err, OK);
948    }
949#endif
950
951    OMX_PARAM_PORTDEFINITIONTYPE def;
952    InitOMXParams(&def);
953    def.nPortIndex = kPortIndexInput;
954
955    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
956
957    status_t err = mOMX->getParameter(
958            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
959
960    CHECK_EQ(err, OK);
961
962#if 1
963    // XXX Need a (much) better heuristic to compute input buffer sizes.
964    const size_t X = 64 * 1024;
965    if (def.nBufferSize < X) {
966        def.nBufferSize = X;
967    }
968#endif
969
970    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
971
972    video_def->nFrameWidth = width;
973    video_def->nFrameHeight = height;
974
975    video_def->eCompressionFormat = compressionFormat;
976    video_def->eColorFormat = OMX_COLOR_FormatUnused;
977
978    err = mOMX->setParameter(
979            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
980    CHECK_EQ(err, OK);
981
982    ////////////////////////////////////////////////////////////////////////////
983
984    InitOMXParams(&def);
985    def.nPortIndex = kPortIndexOutput;
986
987    err = mOMX->getParameter(
988            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
989    CHECK_EQ(err, OK);
990    CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
991
992#if 0
993    def.nBufferSize =
994        (((width + 15) & -16) * ((height + 15) & -16) * 3) / 2;  // YUV420
995#endif
996
997    video_def->nFrameWidth = width;
998    video_def->nFrameHeight = height;
999
1000    err = mOMX->setParameter(
1001            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1002    CHECK_EQ(err, OK);
1003}
1004
1005OMXCodec::OMXCodec(
1006        const sp<IOMX> &omx, IOMX::node_id node, uint32_t quirks,
1007        bool isEncoder,
1008        const char *mime,
1009        const char *componentName,
1010        const sp<MediaSource> &source)
1011    : mOMX(omx),
1012      mOMXLivesLocally(omx->livesLocally(getpid())),
1013      mNode(node),
1014      mQuirks(quirks),
1015      mIsEncoder(isEncoder),
1016      mMIME(strdup(mime)),
1017      mComponentName(strdup(componentName)),
1018      mSource(source),
1019      mCodecSpecificDataIndex(0),
1020      mState(LOADED),
1021      mInitialBufferSubmit(true),
1022      mSignalledEOS(false),
1023      mNoMoreOutputData(false),
1024      mOutputPortSettingsHaveChanged(false),
1025      mSeekTimeUs(-1) {
1026    mPortStatus[kPortIndexInput] = ENABLED;
1027    mPortStatus[kPortIndexOutput] = ENABLED;
1028
1029    setComponentRole();
1030}
1031
1032// static
1033void OMXCodec::setComponentRole(
1034        const sp<IOMX> &omx, IOMX::node_id node, bool isEncoder,
1035        const char *mime) {
1036    struct MimeToRole {
1037        const char *mime;
1038        const char *decoderRole;
1039        const char *encoderRole;
1040    };
1041
1042    static const MimeToRole kMimeToRole[] = {
1043        { MEDIA_MIMETYPE_AUDIO_MPEG,
1044            "audio_decoder.mp3", "audio_encoder.mp3" },
1045        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
1046            "audio_decoder.amrnb", "audio_encoder.amrnb" },
1047        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
1048            "audio_decoder.amrwb", "audio_encoder.amrwb" },
1049        { MEDIA_MIMETYPE_AUDIO_AAC,
1050            "audio_decoder.aac", "audio_encoder.aac" },
1051        { MEDIA_MIMETYPE_VIDEO_AVC,
1052            "video_decoder.avc", "video_encoder.avc" },
1053        { MEDIA_MIMETYPE_VIDEO_MPEG4,
1054            "video_decoder.mpeg4", "video_encoder.mpeg4" },
1055        { MEDIA_MIMETYPE_VIDEO_H263,
1056            "video_decoder.h263", "video_encoder.h263" },
1057    };
1058
1059    static const size_t kNumMimeToRole =
1060        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
1061
1062    size_t i;
1063    for (i = 0; i < kNumMimeToRole; ++i) {
1064        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
1065            break;
1066        }
1067    }
1068
1069    if (i == kNumMimeToRole) {
1070        return;
1071    }
1072
1073    const char *role =
1074        isEncoder ? kMimeToRole[i].encoderRole
1075                  : kMimeToRole[i].decoderRole;
1076
1077    if (role != NULL) {
1078        OMX_PARAM_COMPONENTROLETYPE roleParams;
1079        InitOMXParams(&roleParams);
1080
1081        strncpy((char *)roleParams.cRole,
1082                role, OMX_MAX_STRINGNAME_SIZE - 1);
1083
1084        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
1085
1086        status_t err = omx->setParameter(
1087                node, OMX_IndexParamStandardComponentRole,
1088                &roleParams, sizeof(roleParams));
1089
1090        if (err != OK) {
1091            LOGW("Failed to set standard component role '%s'.", role);
1092        }
1093    }
1094}
1095
1096void OMXCodec::setComponentRole() {
1097    setComponentRole(mOMX, mNode, mIsEncoder, mMIME);
1098}
1099
1100OMXCodec::~OMXCodec() {
1101    CHECK(mState == LOADED || mState == ERROR);
1102
1103    status_t err = mOMX->freeNode(mNode);
1104    CHECK_EQ(err, OK);
1105
1106    mNode = NULL;
1107    setState(DEAD);
1108
1109    clearCodecSpecificData();
1110
1111    free(mComponentName);
1112    mComponentName = NULL;
1113
1114    free(mMIME);
1115    mMIME = NULL;
1116}
1117
1118status_t OMXCodec::init() {
1119    // mLock is held.
1120
1121    CHECK_EQ(mState, LOADED);
1122
1123    status_t err;
1124    if (!(mQuirks & kRequiresLoadedToIdleAfterAllocation)) {
1125        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1126        CHECK_EQ(err, OK);
1127        setState(LOADED_TO_IDLE);
1128    }
1129
1130    err = allocateBuffers();
1131    CHECK_EQ(err, OK);
1132
1133    if (mQuirks & kRequiresLoadedToIdleAfterAllocation) {
1134        err = mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1135        CHECK_EQ(err, OK);
1136
1137        setState(LOADED_TO_IDLE);
1138    }
1139
1140    while (mState != EXECUTING && mState != ERROR) {
1141        mAsyncCompletion.wait(mLock);
1142    }
1143
1144    return mState == ERROR ? UNKNOWN_ERROR : OK;
1145}
1146
1147// static
1148bool OMXCodec::isIntermediateState(State state) {
1149    return state == LOADED_TO_IDLE
1150        || state == IDLE_TO_EXECUTING
1151        || state == EXECUTING_TO_IDLE
1152        || state == IDLE_TO_LOADED
1153        || state == RECONFIGURING;
1154}
1155
1156status_t OMXCodec::allocateBuffers() {
1157    status_t err = allocateBuffersOnPort(kPortIndexInput);
1158
1159    if (err != OK) {
1160        return err;
1161    }
1162
1163    return allocateBuffersOnPort(kPortIndexOutput);
1164}
1165
1166status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
1167    OMX_PARAM_PORTDEFINITIONTYPE def;
1168    InitOMXParams(&def);
1169    def.nPortIndex = portIndex;
1170
1171    status_t err = mOMX->getParameter(
1172            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1173
1174    if (err != OK) {
1175        return err;
1176    }
1177
1178    size_t totalSize = def.nBufferCountActual * def.nBufferSize;
1179    mDealer[portIndex] = new MemoryDealer(totalSize, "OMXCodec");
1180
1181    for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
1182        sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
1183        CHECK(mem.get() != NULL);
1184
1185        BufferInfo info;
1186        info.mData = NULL;
1187        info.mSize = def.nBufferSize;
1188
1189        IOMX::buffer_id buffer;
1190        if (portIndex == kPortIndexInput
1191                && (mQuirks & kRequiresAllocateBufferOnInputPorts)) {
1192            if (mOMXLivesLocally) {
1193                mem.clear();
1194
1195                err = mOMX->allocateBuffer(
1196                        mNode, portIndex, def.nBufferSize, &buffer,
1197                        &info.mData);
1198            } else {
1199                err = mOMX->allocateBufferWithBackup(
1200                        mNode, portIndex, mem, &buffer);
1201            }
1202        } else if (portIndex == kPortIndexOutput
1203                && (mQuirks & kRequiresAllocateBufferOnOutputPorts)) {
1204            if (mOMXLivesLocally) {
1205                mem.clear();
1206
1207                err = mOMX->allocateBuffer(
1208                        mNode, portIndex, def.nBufferSize, &buffer,
1209                        &info.mData);
1210            } else {
1211                err = mOMX->allocateBufferWithBackup(
1212                        mNode, portIndex, mem, &buffer);
1213            }
1214        } else {
1215            err = mOMX->useBuffer(mNode, portIndex, mem, &buffer);
1216        }
1217
1218        if (err != OK) {
1219            LOGE("allocate_buffer_with_backup failed");
1220            return err;
1221        }
1222
1223        if (mem != NULL) {
1224            info.mData = mem->pointer();
1225        }
1226
1227        info.mBuffer = buffer;
1228        info.mOwnedByComponent = false;
1229        info.mMem = mem;
1230        info.mMediaBuffer = NULL;
1231
1232        if (portIndex == kPortIndexOutput) {
1233            if (!(mOMXLivesLocally
1234                        && (mQuirks & kRequiresAllocateBufferOnOutputPorts)
1235                        && (mQuirks & kDefersOutputBufferAllocation))) {
1236                // If the node does not fill in the buffer ptr at this time,
1237                // we will defer creating the MediaBuffer until receiving
1238                // the first FILL_BUFFER_DONE notification instead.
1239                info.mMediaBuffer = new MediaBuffer(info.mData, info.mSize);
1240                info.mMediaBuffer->setObserver(this);
1241            }
1242        }
1243
1244        mPortBuffers[portIndex].push(info);
1245
1246        CODEC_LOGV("allocated buffer %p on %s port", buffer,
1247             portIndex == kPortIndexInput ? "input" : "output");
1248    }
1249
1250    // dumpPortStatus(portIndex);
1251
1252    return OK;
1253}
1254
1255void OMXCodec::on_message(const omx_message &msg) {
1256    Mutex::Autolock autoLock(mLock);
1257
1258    switch (msg.type) {
1259        case omx_message::EVENT:
1260        {
1261            onEvent(
1262                 msg.u.event_data.event, msg.u.event_data.data1,
1263                 msg.u.event_data.data2);
1264
1265            break;
1266        }
1267
1268        case omx_message::EMPTY_BUFFER_DONE:
1269        {
1270            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1271
1272            CODEC_LOGV("EMPTY_BUFFER_DONE(buffer: %p)", buffer);
1273
1274            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1275            size_t i = 0;
1276            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1277                ++i;
1278            }
1279
1280            CHECK(i < buffers->size());
1281            if (!(*buffers)[i].mOwnedByComponent) {
1282                LOGW("We already own input buffer %p, yet received "
1283                     "an EMPTY_BUFFER_DONE.", buffer);
1284            }
1285
1286            buffers->editItemAt(i).mOwnedByComponent = false;
1287
1288            if (mPortStatus[kPortIndexInput] == DISABLING) {
1289                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1290
1291                status_t err =
1292                    mOMX->freeBuffer(mNode, kPortIndexInput, buffer);
1293                CHECK_EQ(err, OK);
1294
1295                buffers->removeAt(i);
1296            } else if (mState != ERROR
1297                    && mPortStatus[kPortIndexInput] != SHUTTING_DOWN) {
1298                CHECK_EQ(mPortStatus[kPortIndexInput], ENABLED);
1299                drainInputBuffer(&buffers->editItemAt(i));
1300            }
1301            break;
1302        }
1303
1304        case omx_message::FILL_BUFFER_DONE:
1305        {
1306            IOMX::buffer_id buffer = msg.u.extended_buffer_data.buffer;
1307            OMX_U32 flags = msg.u.extended_buffer_data.flags;
1308
1309            CODEC_LOGV("FILL_BUFFER_DONE(buffer: %p, size: %ld, flags: 0x%08lx, timestamp: %lld us (%.2f secs))",
1310                 buffer,
1311                 msg.u.extended_buffer_data.range_length,
1312                 flags,
1313                 msg.u.extended_buffer_data.timestamp,
1314                 msg.u.extended_buffer_data.timestamp / 1E6);
1315
1316            Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1317            size_t i = 0;
1318            while (i < buffers->size() && (*buffers)[i].mBuffer != buffer) {
1319                ++i;
1320            }
1321
1322            CHECK(i < buffers->size());
1323            BufferInfo *info = &buffers->editItemAt(i);
1324
1325            if (!info->mOwnedByComponent) {
1326                LOGW("We already own output buffer %p, yet received "
1327                     "a FILL_BUFFER_DONE.", buffer);
1328            }
1329
1330            info->mOwnedByComponent = false;
1331
1332            if (mPortStatus[kPortIndexOutput] == DISABLING) {
1333                CODEC_LOGV("Port is disabled, freeing buffer %p", buffer);
1334
1335                status_t err =
1336                    mOMX->freeBuffer(mNode, kPortIndexOutput, buffer);
1337                CHECK_EQ(err, OK);
1338
1339                buffers->removeAt(i);
1340#if 0
1341            } else if (mPortStatus[kPortIndexOutput] == ENABLED
1342                       && (flags & OMX_BUFFERFLAG_EOS)) {
1343                CODEC_LOGV("No more output data.");
1344                mNoMoreOutputData = true;
1345                mBufferFilled.signal();
1346#endif
1347            } else if (mPortStatus[kPortIndexOutput] != SHUTTING_DOWN) {
1348                CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
1349
1350                if (info->mMediaBuffer == NULL) {
1351                    CHECK(mOMXLivesLocally);
1352                    CHECK(mQuirks & kRequiresAllocateBufferOnOutputPorts);
1353                    CHECK(mQuirks & kDefersOutputBufferAllocation);
1354
1355                    // The qcom video decoders on Nexus don't actually allocate
1356                    // output buffer memory on a call to OMX_AllocateBuffer
1357                    // the "pBuffer" member of the OMX_BUFFERHEADERTYPE
1358                    // structure is only filled in later.
1359
1360                    info->mMediaBuffer = new MediaBuffer(
1361                            msg.u.extended_buffer_data.data_ptr,
1362                            info->mSize);
1363                    info->mMediaBuffer->setObserver(this);
1364                }
1365
1366                MediaBuffer *buffer = info->mMediaBuffer;
1367
1368                buffer->set_range(
1369                        msg.u.extended_buffer_data.range_offset,
1370                        msg.u.extended_buffer_data.range_length);
1371
1372                buffer->meta_data()->clear();
1373
1374                buffer->meta_data()->setInt64(
1375                        kKeyTime, msg.u.extended_buffer_data.timestamp);
1376
1377                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_SYNCFRAME) {
1378                    buffer->meta_data()->setInt32(kKeyIsSyncFrame, true);
1379                }
1380                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_CODECCONFIG) {
1381                    buffer->meta_data()->setInt32(kKeyIsCodecConfig, true);
1382                }
1383
1384                buffer->meta_data()->setPointer(
1385                        kKeyPlatformPrivate,
1386                        msg.u.extended_buffer_data.platform_private);
1387
1388                buffer->meta_data()->setPointer(
1389                        kKeyBufferID,
1390                        msg.u.extended_buffer_data.buffer);
1391
1392                mFilledBuffers.push_back(i);
1393                mBufferFilled.signal();
1394
1395                if (msg.u.extended_buffer_data.flags & OMX_BUFFERFLAG_EOS) {
1396                    CODEC_LOGV("No more output data.");
1397                    mNoMoreOutputData = true;
1398                }
1399            }
1400
1401            break;
1402        }
1403
1404        default:
1405        {
1406            CHECK(!"should not be here.");
1407            break;
1408        }
1409    }
1410}
1411
1412void OMXCodec::onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
1413    switch (event) {
1414        case OMX_EventCmdComplete:
1415        {
1416            onCmdComplete((OMX_COMMANDTYPE)data1, data2);
1417            break;
1418        }
1419
1420        case OMX_EventError:
1421        {
1422            LOGE("ERROR(0x%08lx, %ld)", data1, data2);
1423
1424            setState(ERROR);
1425            break;
1426        }
1427
1428        case OMX_EventPortSettingsChanged:
1429        {
1430            onPortSettingsChanged(data1);
1431            break;
1432        }
1433
1434#if 0
1435        case OMX_EventBufferFlag:
1436        {
1437            CODEC_LOGV("EVENT_BUFFER_FLAG(%ld)", data1);
1438
1439            if (data1 == kPortIndexOutput) {
1440                mNoMoreOutputData = true;
1441            }
1442            break;
1443        }
1444#endif
1445
1446        default:
1447        {
1448            CODEC_LOGV("EVENT(%d, %ld, %ld)", event, data1, data2);
1449            break;
1450        }
1451    }
1452}
1453
1454// Has the format changed in any way that the client would have to be aware of?
1455static bool formatHasNotablyChanged(
1456        const sp<MetaData> &from, const sp<MetaData> &to) {
1457    if (from.get() == NULL && to.get() == NULL) {
1458        return false;
1459    }
1460
1461    if ((from.get() == NULL && to.get() != NULL)
1462        || (from.get() != NULL && to.get() == NULL)) {
1463        return true;
1464    }
1465
1466    const char *mime_from, *mime_to;
1467    CHECK(from->findCString(kKeyMIMEType, &mime_from));
1468    CHECK(to->findCString(kKeyMIMEType, &mime_to));
1469
1470    if (strcasecmp(mime_from, mime_to)) {
1471        return true;
1472    }
1473
1474    if (!strcasecmp(mime_from, MEDIA_MIMETYPE_VIDEO_RAW)) {
1475        int32_t colorFormat_from, colorFormat_to;
1476        CHECK(from->findInt32(kKeyColorFormat, &colorFormat_from));
1477        CHECK(to->findInt32(kKeyColorFormat, &colorFormat_to));
1478
1479        if (colorFormat_from != colorFormat_to) {
1480            return true;
1481        }
1482
1483        int32_t width_from, width_to;
1484        CHECK(from->findInt32(kKeyWidth, &width_from));
1485        CHECK(to->findInt32(kKeyWidth, &width_to));
1486
1487        if (width_from != width_to) {
1488            return true;
1489        }
1490
1491        int32_t height_from, height_to;
1492        CHECK(from->findInt32(kKeyHeight, &height_from));
1493        CHECK(to->findInt32(kKeyHeight, &height_to));
1494
1495        if (height_from != height_to) {
1496            return true;
1497        }
1498    } else if (!strcasecmp(mime_from, MEDIA_MIMETYPE_AUDIO_RAW)) {
1499        int32_t numChannels_from, numChannels_to;
1500        CHECK(from->findInt32(kKeyChannelCount, &numChannels_from));
1501        CHECK(to->findInt32(kKeyChannelCount, &numChannels_to));
1502
1503        if (numChannels_from != numChannels_to) {
1504            return true;
1505        }
1506
1507        int32_t sampleRate_from, sampleRate_to;
1508        CHECK(from->findInt32(kKeySampleRate, &sampleRate_from));
1509        CHECK(to->findInt32(kKeySampleRate, &sampleRate_to));
1510
1511        if (sampleRate_from != sampleRate_to) {
1512            return true;
1513        }
1514    }
1515
1516    return false;
1517}
1518
1519void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
1520    switch (cmd) {
1521        case OMX_CommandStateSet:
1522        {
1523            onStateChange((OMX_STATETYPE)data);
1524            break;
1525        }
1526
1527        case OMX_CommandPortDisable:
1528        {
1529            OMX_U32 portIndex = data;
1530            CODEC_LOGV("PORT_DISABLED(%ld)", portIndex);
1531
1532            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1533            CHECK_EQ(mPortStatus[portIndex], DISABLING);
1534            CHECK_EQ(mPortBuffers[portIndex].size(), 0);
1535
1536            mPortStatus[portIndex] = DISABLED;
1537
1538            if (mState == RECONFIGURING) {
1539                CHECK_EQ(portIndex, kPortIndexOutput);
1540
1541                sp<MetaData> oldOutputFormat = mOutputFormat;
1542                initOutputFormat(mSource->getFormat());
1543
1544                // Don't notify clients if the output port settings change
1545                // wasn't of importance to them, i.e. it may be that just the
1546                // number of buffers has changed and nothing else.
1547                mOutputPortSettingsHaveChanged =
1548                    formatHasNotablyChanged(oldOutputFormat, mOutputFormat);
1549
1550                enablePortAsync(portIndex);
1551
1552                status_t err = allocateBuffersOnPort(portIndex);
1553                CHECK_EQ(err, OK);
1554            }
1555            break;
1556        }
1557
1558        case OMX_CommandPortEnable:
1559        {
1560            OMX_U32 portIndex = data;
1561            CODEC_LOGV("PORT_ENABLED(%ld)", portIndex);
1562
1563            CHECK(mState == EXECUTING || mState == RECONFIGURING);
1564            CHECK_EQ(mPortStatus[portIndex], ENABLING);
1565
1566            mPortStatus[portIndex] = ENABLED;
1567
1568            if (mState == RECONFIGURING) {
1569                CHECK_EQ(portIndex, kPortIndexOutput);
1570
1571                setState(EXECUTING);
1572
1573                fillOutputBuffers();
1574            }
1575            break;
1576        }
1577
1578        case OMX_CommandFlush:
1579        {
1580            OMX_U32 portIndex = data;
1581
1582            CODEC_LOGV("FLUSH_DONE(%ld)", portIndex);
1583
1584            CHECK_EQ(mPortStatus[portIndex], SHUTTING_DOWN);
1585            mPortStatus[portIndex] = ENABLED;
1586
1587            CHECK_EQ(countBuffersWeOwn(mPortBuffers[portIndex]),
1588                     mPortBuffers[portIndex].size());
1589
1590            if (mState == RECONFIGURING) {
1591                CHECK_EQ(portIndex, kPortIndexOutput);
1592
1593                disablePortAsync(portIndex);
1594            } else if (mState == EXECUTING_TO_IDLE) {
1595                if (mPortStatus[kPortIndexInput] == ENABLED
1596                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1597                    CODEC_LOGV("Finished flushing both ports, now completing "
1598                         "transition from EXECUTING to IDLE.");
1599
1600                    mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
1601                    mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
1602
1603                    status_t err =
1604                        mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
1605                    CHECK_EQ(err, OK);
1606                }
1607            } else {
1608                // We're flushing both ports in preparation for seeking.
1609
1610                if (mPortStatus[kPortIndexInput] == ENABLED
1611                    && mPortStatus[kPortIndexOutput] == ENABLED) {
1612                    CODEC_LOGV("Finished flushing both ports, now continuing from"
1613                         " seek-time.");
1614
1615                    drainInputBuffers();
1616                    fillOutputBuffers();
1617                }
1618            }
1619
1620            break;
1621        }
1622
1623        default:
1624        {
1625            CODEC_LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
1626            break;
1627        }
1628    }
1629}
1630
1631void OMXCodec::onStateChange(OMX_STATETYPE newState) {
1632    CODEC_LOGV("onStateChange %d", newState);
1633
1634    switch (newState) {
1635        case OMX_StateIdle:
1636        {
1637            CODEC_LOGV("Now Idle.");
1638            if (mState == LOADED_TO_IDLE) {
1639                status_t err = mOMX->sendCommand(
1640                        mNode, OMX_CommandStateSet, OMX_StateExecuting);
1641
1642                CHECK_EQ(err, OK);
1643
1644                setState(IDLE_TO_EXECUTING);
1645            } else {
1646                CHECK_EQ(mState, EXECUTING_TO_IDLE);
1647
1648                CHECK_EQ(
1649                    countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
1650                    mPortBuffers[kPortIndexInput].size());
1651
1652                CHECK_EQ(
1653                    countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
1654                    mPortBuffers[kPortIndexOutput].size());
1655
1656                status_t err = mOMX->sendCommand(
1657                        mNode, OMX_CommandStateSet, OMX_StateLoaded);
1658
1659                CHECK_EQ(err, OK);
1660
1661                err = freeBuffersOnPort(kPortIndexInput);
1662                CHECK_EQ(err, OK);
1663
1664                err = freeBuffersOnPort(kPortIndexOutput);
1665                CHECK_EQ(err, OK);
1666
1667                mPortStatus[kPortIndexInput] = ENABLED;
1668                mPortStatus[kPortIndexOutput] = ENABLED;
1669
1670                setState(IDLE_TO_LOADED);
1671            }
1672            break;
1673        }
1674
1675        case OMX_StateExecuting:
1676        {
1677            CHECK_EQ(mState, IDLE_TO_EXECUTING);
1678
1679            CODEC_LOGV("Now Executing.");
1680
1681            setState(EXECUTING);
1682
1683            // Buffers will be submitted to the component in the first
1684            // call to OMXCodec::read as mInitialBufferSubmit is true at
1685            // this point. This ensures that this on_message call returns,
1686            // releases the lock and ::init can notice the state change and
1687            // itself return.
1688            break;
1689        }
1690
1691        case OMX_StateLoaded:
1692        {
1693            CHECK_EQ(mState, IDLE_TO_LOADED);
1694
1695            CODEC_LOGV("Now Loaded.");
1696
1697            setState(LOADED);
1698            break;
1699        }
1700
1701        case OMX_StateInvalid:
1702        {
1703            setState(ERROR);
1704            break;
1705        }
1706
1707        default:
1708        {
1709            CHECK(!"should not be here.");
1710            break;
1711        }
1712    }
1713}
1714
1715// static
1716size_t OMXCodec::countBuffersWeOwn(const Vector<BufferInfo> &buffers) {
1717    size_t n = 0;
1718    for (size_t i = 0; i < buffers.size(); ++i) {
1719        if (!buffers[i].mOwnedByComponent) {
1720            ++n;
1721        }
1722    }
1723
1724    return n;
1725}
1726
1727status_t OMXCodec::freeBuffersOnPort(
1728        OMX_U32 portIndex, bool onlyThoseWeOwn) {
1729    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1730
1731    status_t stickyErr = OK;
1732
1733    for (size_t i = buffers->size(); i-- > 0;) {
1734        BufferInfo *info = &buffers->editItemAt(i);
1735
1736        if (onlyThoseWeOwn && info->mOwnedByComponent) {
1737            continue;
1738        }
1739
1740        CHECK_EQ(info->mOwnedByComponent, false);
1741
1742        CODEC_LOGV("freeing buffer %p on port %ld", info->mBuffer, portIndex);
1743
1744        status_t err =
1745            mOMX->freeBuffer(mNode, portIndex, info->mBuffer);
1746
1747        if (err != OK) {
1748            stickyErr = err;
1749        }
1750
1751        if (info->mMediaBuffer != NULL) {
1752            info->mMediaBuffer->setObserver(NULL);
1753
1754            // Make sure nobody but us owns this buffer at this point.
1755            CHECK_EQ(info->mMediaBuffer->refcount(), 0);
1756
1757            info->mMediaBuffer->release();
1758        }
1759
1760        buffers->removeAt(i);
1761    }
1762
1763    CHECK(onlyThoseWeOwn || buffers->isEmpty());
1764
1765    return stickyErr;
1766}
1767
1768void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
1769    CODEC_LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
1770
1771    CHECK_EQ(mState, EXECUTING);
1772    CHECK_EQ(portIndex, kPortIndexOutput);
1773    setState(RECONFIGURING);
1774
1775    if (mQuirks & kNeedsFlushBeforeDisable) {
1776        if (!flushPortAsync(portIndex)) {
1777            onCmdComplete(OMX_CommandFlush, portIndex);
1778        }
1779    } else {
1780        disablePortAsync(portIndex);
1781    }
1782}
1783
1784bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
1785    CHECK(mState == EXECUTING || mState == RECONFIGURING
1786            || mState == EXECUTING_TO_IDLE);
1787
1788    CODEC_LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
1789         portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
1790         mPortBuffers[portIndex].size());
1791
1792    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1793    mPortStatus[portIndex] = SHUTTING_DOWN;
1794
1795    if ((mQuirks & kRequiresFlushCompleteEmulation)
1796        && countBuffersWeOwn(mPortBuffers[portIndex])
1797                == mPortBuffers[portIndex].size()) {
1798        // No flush is necessary and this component fails to send a
1799        // flush-complete event in this case.
1800
1801        return false;
1802    }
1803
1804    status_t err =
1805        mOMX->sendCommand(mNode, OMX_CommandFlush, portIndex);
1806    CHECK_EQ(err, OK);
1807
1808    return true;
1809}
1810
1811void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
1812    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1813
1814    CHECK_EQ(mPortStatus[portIndex], ENABLED);
1815    mPortStatus[portIndex] = DISABLING;
1816
1817    status_t err =
1818        mOMX->sendCommand(mNode, OMX_CommandPortDisable, portIndex);
1819    CHECK_EQ(err, OK);
1820
1821    freeBuffersOnPort(portIndex, true);
1822}
1823
1824void OMXCodec::enablePortAsync(OMX_U32 portIndex) {
1825    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1826
1827    CHECK_EQ(mPortStatus[portIndex], DISABLED);
1828    mPortStatus[portIndex] = ENABLING;
1829
1830    status_t err =
1831        mOMX->sendCommand(mNode, OMX_CommandPortEnable, portIndex);
1832    CHECK_EQ(err, OK);
1833}
1834
1835void OMXCodec::fillOutputBuffers() {
1836    CHECK_EQ(mState, EXECUTING);
1837
1838    // This is a workaround for some decoders not properly reporting
1839    // end-of-output-stream. If we own all input buffers and also own
1840    // all output buffers and we already signalled end-of-input-stream,
1841    // the end-of-output-stream is implied.
1842    if (mSignalledEOS
1843            && countBuffersWeOwn(mPortBuffers[kPortIndexInput])
1844                == mPortBuffers[kPortIndexInput].size()
1845            && countBuffersWeOwn(mPortBuffers[kPortIndexOutput])
1846                == mPortBuffers[kPortIndexOutput].size()) {
1847        mNoMoreOutputData = true;
1848        mBufferFilled.signal();
1849
1850        return;
1851    }
1852
1853    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
1854    for (size_t i = 0; i < buffers->size(); ++i) {
1855        fillOutputBuffer(&buffers->editItemAt(i));
1856    }
1857}
1858
1859void OMXCodec::drainInputBuffers() {
1860    CHECK(mState == EXECUTING || mState == RECONFIGURING);
1861
1862    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
1863    for (size_t i = 0; i < buffers->size(); ++i) {
1864        drainInputBuffer(&buffers->editItemAt(i));
1865    }
1866}
1867
1868void OMXCodec::drainInputBuffer(BufferInfo *info) {
1869    CHECK_EQ(info->mOwnedByComponent, false);
1870
1871    if (mSignalledEOS) {
1872        return;
1873    }
1874
1875    if (mCodecSpecificDataIndex < mCodecSpecificData.size()) {
1876        const CodecSpecificData *specific =
1877            mCodecSpecificData[mCodecSpecificDataIndex];
1878
1879        size_t size = specific->mSize;
1880
1881        if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mMIME)
1882                && !(mQuirks & kWantsNALFragments)) {
1883            static const uint8_t kNALStartCode[4] =
1884                    { 0x00, 0x00, 0x00, 0x01 };
1885
1886            CHECK(info->mSize >= specific->mSize + 4);
1887
1888            size += 4;
1889
1890            memcpy(info->mData, kNALStartCode, 4);
1891            memcpy((uint8_t *)info->mData + 4,
1892                   specific->mData, specific->mSize);
1893        } else {
1894            CHECK(info->mSize >= specific->mSize);
1895            memcpy(info->mData, specific->mData, specific->mSize);
1896        }
1897
1898        mNoMoreOutputData = false;
1899
1900        CODEC_LOGV("calling emptyBuffer with codec specific data");
1901
1902        status_t err = mOMX->emptyBuffer(
1903                mNode, info->mBuffer, 0, size,
1904                OMX_BUFFERFLAG_ENDOFFRAME | OMX_BUFFERFLAG_CODECCONFIG,
1905                0);
1906        CHECK_EQ(err, OK);
1907
1908        info->mOwnedByComponent = true;
1909
1910        ++mCodecSpecificDataIndex;
1911        return;
1912    }
1913
1914    MediaBuffer *srcBuffer;
1915    status_t err;
1916    if (mSeekTimeUs >= 0) {
1917        MediaSource::ReadOptions options;
1918        options.setSeekTo(mSeekTimeUs);
1919
1920        mSeekTimeUs = -1;
1921        mBufferFilled.signal();
1922
1923        err = mSource->read(&srcBuffer, &options);
1924    } else {
1925        err = mSource->read(&srcBuffer);
1926    }
1927
1928    OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
1929    OMX_TICKS timestampUs = 0;
1930    size_t srcLength = 0;
1931
1932    if (err != OK) {
1933        CODEC_LOGV("signalling end of input stream.");
1934        flags |= OMX_BUFFERFLAG_EOS;
1935
1936        mFinalStatus = err;
1937        mSignalledEOS = true;
1938    } else {
1939        mNoMoreOutputData = false;
1940
1941        srcLength = srcBuffer->range_length();
1942
1943        if (info->mSize < srcLength) {
1944            CODEC_LOGE(
1945                 "Codec's input buffers are too small to accomodate "
1946                 "buffer read from source (info->mSize = %d, srcLength = %d)",
1947                 info->mSize, srcLength);
1948
1949            srcBuffer->release();
1950            srcBuffer = NULL;
1951
1952            setState(ERROR);
1953            return;
1954        }
1955        memcpy(info->mData,
1956               (const uint8_t *)srcBuffer->data() + srcBuffer->range_offset(),
1957               srcLength);
1958
1959        if (srcBuffer->meta_data()->findInt64(kKeyTime, &timestampUs)) {
1960            CODEC_LOGV("Calling emptyBuffer on buffer %p (length %d), "
1961                       "timestamp %lld us (%.2f secs)",
1962                       info->mBuffer, srcLength,
1963                       timestampUs, timestampUs / 1E6);
1964        }
1965    }
1966
1967    if (srcBuffer != NULL) {
1968        srcBuffer->release();
1969        srcBuffer = NULL;
1970    }
1971
1972    err = mOMX->emptyBuffer(
1973            mNode, info->mBuffer, 0, srcLength,
1974            flags, timestampUs);
1975
1976    if (err != OK) {
1977        setState(ERROR);
1978        return;
1979    }
1980
1981    info->mOwnedByComponent = true;
1982
1983    // This component does not ever signal the EOS flag on output buffers,
1984    // Thanks for nothing.
1985    if (mSignalledEOS && !strcmp(mComponentName, "OMX.TI.Video.encoder")) {
1986        mNoMoreOutputData = true;
1987        mBufferFilled.signal();
1988    }
1989}
1990
1991void OMXCodec::fillOutputBuffer(BufferInfo *info) {
1992    CHECK_EQ(info->mOwnedByComponent, false);
1993
1994    if (mNoMoreOutputData) {
1995        CODEC_LOGV("There is no more output data available, not "
1996             "calling fillOutputBuffer");
1997        return;
1998    }
1999
2000    CODEC_LOGV("Calling fill_buffer on buffer %p", info->mBuffer);
2001    status_t err = mOMX->fillBuffer(mNode, info->mBuffer);
2002    CHECK_EQ(err, OK);
2003
2004    info->mOwnedByComponent = true;
2005}
2006
2007void OMXCodec::drainInputBuffer(IOMX::buffer_id buffer) {
2008    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexInput];
2009    for (size_t i = 0; i < buffers->size(); ++i) {
2010        if ((*buffers)[i].mBuffer == buffer) {
2011            drainInputBuffer(&buffers->editItemAt(i));
2012            return;
2013        }
2014    }
2015
2016    CHECK(!"should not be here.");
2017}
2018
2019void OMXCodec::fillOutputBuffer(IOMX::buffer_id buffer) {
2020    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
2021    for (size_t i = 0; i < buffers->size(); ++i) {
2022        if ((*buffers)[i].mBuffer == buffer) {
2023            fillOutputBuffer(&buffers->editItemAt(i));
2024            return;
2025        }
2026    }
2027
2028    CHECK(!"should not be here.");
2029}
2030
2031void OMXCodec::setState(State newState) {
2032    mState = newState;
2033    mAsyncCompletion.signal();
2034
2035    // This may cause some spurious wakeups but is necessary to
2036    // unblock the reader if we enter ERROR state.
2037    mBufferFilled.signal();
2038}
2039
2040void OMXCodec::setRawAudioFormat(
2041        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
2042    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
2043    InitOMXParams(&pcmParams);
2044    pcmParams.nPortIndex = portIndex;
2045
2046    status_t err = mOMX->getParameter(
2047            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
2048
2049    CHECK_EQ(err, OK);
2050
2051    pcmParams.nChannels = numChannels;
2052    pcmParams.eNumData = OMX_NumericalDataSigned;
2053    pcmParams.bInterleaved = OMX_TRUE;
2054    pcmParams.nBitPerSample = 16;
2055    pcmParams.nSamplingRate = sampleRate;
2056    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
2057
2058    if (numChannels == 1) {
2059        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelCF;
2060    } else {
2061        CHECK_EQ(numChannels, 2);
2062
2063        pcmParams.eChannelMapping[0] = OMX_AUDIO_ChannelLF;
2064        pcmParams.eChannelMapping[1] = OMX_AUDIO_ChannelRF;
2065    }
2066
2067    err = mOMX->setParameter(
2068            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
2069
2070    CHECK_EQ(err, OK);
2071}
2072
2073void OMXCodec::setAMRFormat(bool isWAMR) {
2074    OMX_U32 portIndex = mIsEncoder ? kPortIndexOutput : kPortIndexInput;
2075
2076    OMX_AUDIO_PARAM_AMRTYPE def;
2077    InitOMXParams(&def);
2078    def.nPortIndex = portIndex;
2079
2080    status_t err =
2081        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
2082
2083    CHECK_EQ(err, OK);
2084
2085    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
2086    def.eAMRBandMode =
2087        isWAMR ? OMX_AUDIO_AMRBandModeWB0 : OMX_AUDIO_AMRBandModeNB0;
2088
2089    err = mOMX->setParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
2090    CHECK_EQ(err, OK);
2091
2092    ////////////////////////
2093
2094    if (mIsEncoder) {
2095        sp<MetaData> format = mSource->getFormat();
2096        int32_t sampleRate;
2097        int32_t numChannels;
2098        CHECK(format->findInt32(kKeySampleRate, &sampleRate));
2099        CHECK(format->findInt32(kKeyChannelCount, &numChannels));
2100
2101        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
2102    }
2103}
2104
2105void OMXCodec::setAACFormat(int32_t numChannels, int32_t sampleRate) {
2106    if (mIsEncoder) {
2107        setRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
2108    } else {
2109        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
2110        InitOMXParams(&profile);
2111        profile.nPortIndex = kPortIndexInput;
2112
2113        status_t err = mOMX->getParameter(
2114                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
2115        CHECK_EQ(err, OK);
2116
2117        profile.nChannels = numChannels;
2118        profile.nSampleRate = sampleRate;
2119        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
2120
2121        err = mOMX->setParameter(
2122                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
2123        CHECK_EQ(err, OK);
2124    }
2125}
2126
2127void OMXCodec::setImageOutputFormat(
2128        OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
2129    CODEC_LOGV("setImageOutputFormat(%ld, %ld)", width, height);
2130
2131#if 0
2132    OMX_INDEXTYPE index;
2133    status_t err = mOMX->get_extension_index(
2134            mNode, "OMX.TI.JPEG.decode.Config.OutputColorFormat", &index);
2135    CHECK_EQ(err, OK);
2136
2137    err = mOMX->set_config(mNode, index, &format, sizeof(format));
2138    CHECK_EQ(err, OK);
2139#endif
2140
2141    OMX_PARAM_PORTDEFINITIONTYPE def;
2142    InitOMXParams(&def);
2143    def.nPortIndex = kPortIndexOutput;
2144
2145    status_t err = mOMX->getParameter(
2146            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2147    CHECK_EQ(err, OK);
2148
2149    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
2150
2151    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2152
2153    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2154    imageDef->eColorFormat = format;
2155    imageDef->nFrameWidth = width;
2156    imageDef->nFrameHeight = height;
2157
2158    switch (format) {
2159        case OMX_COLOR_FormatYUV420PackedPlanar:
2160        case OMX_COLOR_FormatYUV411Planar:
2161        {
2162            def.nBufferSize = (width * height * 3) / 2;
2163            break;
2164        }
2165
2166        case OMX_COLOR_FormatCbYCrY:
2167        {
2168            def.nBufferSize = width * height * 2;
2169            break;
2170        }
2171
2172        case OMX_COLOR_Format32bitARGB8888:
2173        {
2174            def.nBufferSize = width * height * 4;
2175            break;
2176        }
2177
2178        case OMX_COLOR_Format16bitARGB4444:
2179        case OMX_COLOR_Format16bitARGB1555:
2180        case OMX_COLOR_Format16bitRGB565:
2181        case OMX_COLOR_Format16bitBGR565:
2182        {
2183            def.nBufferSize = width * height * 2;
2184            break;
2185        }
2186
2187        default:
2188            CHECK(!"Should not be here. Unknown color format.");
2189            break;
2190    }
2191
2192    def.nBufferCountActual = def.nBufferCountMin;
2193
2194    err = mOMX->setParameter(
2195            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2196    CHECK_EQ(err, OK);
2197}
2198
2199void OMXCodec::setJPEGInputFormat(
2200        OMX_U32 width, OMX_U32 height, OMX_U32 compressedSize) {
2201    OMX_PARAM_PORTDEFINITIONTYPE def;
2202    InitOMXParams(&def);
2203    def.nPortIndex = kPortIndexInput;
2204
2205    status_t err = mOMX->getParameter(
2206            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2207    CHECK_EQ(err, OK);
2208
2209    CHECK_EQ(def.eDomain, OMX_PortDomainImage);
2210    OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2211
2212    CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingJPEG);
2213    imageDef->nFrameWidth = width;
2214    imageDef->nFrameHeight = height;
2215
2216    def.nBufferSize = compressedSize;
2217    def.nBufferCountActual = def.nBufferCountMin;
2218
2219    err = mOMX->setParameter(
2220            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2221    CHECK_EQ(err, OK);
2222}
2223
2224void OMXCodec::addCodecSpecificData(const void *data, size_t size) {
2225    CodecSpecificData *specific =
2226        (CodecSpecificData *)malloc(sizeof(CodecSpecificData) + size - 1);
2227
2228    specific->mSize = size;
2229    memcpy(specific->mData, data, size);
2230
2231    mCodecSpecificData.push(specific);
2232}
2233
2234void OMXCodec::clearCodecSpecificData() {
2235    for (size_t i = 0; i < mCodecSpecificData.size(); ++i) {
2236        free(mCodecSpecificData.editItemAt(i));
2237    }
2238    mCodecSpecificData.clear();
2239    mCodecSpecificDataIndex = 0;
2240}
2241
2242status_t OMXCodec::start(MetaData *) {
2243    Mutex::Autolock autoLock(mLock);
2244
2245    if (mState != LOADED) {
2246        return UNKNOWN_ERROR;
2247    }
2248
2249    sp<MetaData> params = new MetaData;
2250    if (mQuirks & kWantsNALFragments) {
2251        params->setInt32(kKeyWantsNALFragments, true);
2252    }
2253    status_t err = mSource->start(params.get());
2254
2255    if (err != OK) {
2256        return err;
2257    }
2258
2259    mCodecSpecificDataIndex = 0;
2260    mInitialBufferSubmit = true;
2261    mSignalledEOS = false;
2262    mNoMoreOutputData = false;
2263    mOutputPortSettingsHaveChanged = false;
2264    mSeekTimeUs = -1;
2265    mFilledBuffers.clear();
2266
2267    return init();
2268}
2269
2270status_t OMXCodec::stop() {
2271    CODEC_LOGV("stop mState=%d", mState);
2272
2273    Mutex::Autolock autoLock(mLock);
2274
2275    while (isIntermediateState(mState)) {
2276        mAsyncCompletion.wait(mLock);
2277    }
2278
2279    switch (mState) {
2280        case LOADED:
2281        case ERROR:
2282            break;
2283
2284        case EXECUTING:
2285        {
2286            setState(EXECUTING_TO_IDLE);
2287
2288            if (mQuirks & kRequiresFlushBeforeShutdown) {
2289                CODEC_LOGV("This component requires a flush before transitioning "
2290                     "from EXECUTING to IDLE...");
2291
2292                bool emulateInputFlushCompletion =
2293                    !flushPortAsync(kPortIndexInput);
2294
2295                bool emulateOutputFlushCompletion =
2296                    !flushPortAsync(kPortIndexOutput);
2297
2298                if (emulateInputFlushCompletion) {
2299                    onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2300                }
2301
2302                if (emulateOutputFlushCompletion) {
2303                    onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2304                }
2305            } else {
2306                mPortStatus[kPortIndexInput] = SHUTTING_DOWN;
2307                mPortStatus[kPortIndexOutput] = SHUTTING_DOWN;
2308
2309                status_t err =
2310                    mOMX->sendCommand(mNode, OMX_CommandStateSet, OMX_StateIdle);
2311                CHECK_EQ(err, OK);
2312            }
2313
2314            while (mState != LOADED && mState != ERROR) {
2315                mAsyncCompletion.wait(mLock);
2316            }
2317
2318            break;
2319        }
2320
2321        default:
2322        {
2323            CHECK(!"should not be here.");
2324            break;
2325        }
2326    }
2327
2328    mSource->stop();
2329
2330    CODEC_LOGV("stopped");
2331
2332    return OK;
2333}
2334
2335sp<MetaData> OMXCodec::getFormat() {
2336    Mutex::Autolock autoLock(mLock);
2337
2338    return mOutputFormat;
2339}
2340
2341status_t OMXCodec::read(
2342        MediaBuffer **buffer, const ReadOptions *options) {
2343    *buffer = NULL;
2344
2345    Mutex::Autolock autoLock(mLock);
2346
2347    if (mState != EXECUTING && mState != RECONFIGURING) {
2348        return UNKNOWN_ERROR;
2349    }
2350
2351    bool seeking = false;
2352    int64_t seekTimeUs;
2353    if (options && options->getSeekTo(&seekTimeUs)) {
2354        seeking = true;
2355    }
2356
2357    if (mInitialBufferSubmit) {
2358        mInitialBufferSubmit = false;
2359
2360        if (seeking) {
2361            CHECK(seekTimeUs >= 0);
2362            mSeekTimeUs = seekTimeUs;
2363
2364            // There's no reason to trigger the code below, there's
2365            // nothing to flush yet.
2366            seeking = false;
2367        }
2368
2369        drainInputBuffers();
2370
2371        if (mState == EXECUTING) {
2372            // Otherwise mState == RECONFIGURING and this code will trigger
2373            // after the output port is reenabled.
2374            fillOutputBuffers();
2375        }
2376    }
2377
2378    if (seeking) {
2379        CODEC_LOGV("seeking to %lld us (%.2f secs)", seekTimeUs, seekTimeUs / 1E6);
2380
2381        mSignalledEOS = false;
2382
2383        CHECK(seekTimeUs >= 0);
2384        mSeekTimeUs = seekTimeUs;
2385
2386        mFilledBuffers.clear();
2387
2388        CHECK_EQ(mState, EXECUTING);
2389
2390        bool emulateInputFlushCompletion = !flushPortAsync(kPortIndexInput);
2391        bool emulateOutputFlushCompletion = !flushPortAsync(kPortIndexOutput);
2392
2393        if (emulateInputFlushCompletion) {
2394            onCmdComplete(OMX_CommandFlush, kPortIndexInput);
2395        }
2396
2397        if (emulateOutputFlushCompletion) {
2398            onCmdComplete(OMX_CommandFlush, kPortIndexOutput);
2399        }
2400
2401        while (mSeekTimeUs >= 0) {
2402            mBufferFilled.wait(mLock);
2403        }
2404    }
2405
2406    while (mState != ERROR && !mNoMoreOutputData && mFilledBuffers.empty()) {
2407        mBufferFilled.wait(mLock);
2408    }
2409
2410    if (mState == ERROR) {
2411        return UNKNOWN_ERROR;
2412    }
2413
2414    if (mFilledBuffers.empty()) {
2415        return mSignalledEOS ? mFinalStatus : ERROR_END_OF_STREAM;
2416    }
2417
2418    if (mOutputPortSettingsHaveChanged) {
2419        mOutputPortSettingsHaveChanged = false;
2420
2421        return INFO_FORMAT_CHANGED;
2422    }
2423
2424    size_t index = *mFilledBuffers.begin();
2425    mFilledBuffers.erase(mFilledBuffers.begin());
2426
2427    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
2428    info->mMediaBuffer->add_ref();
2429    *buffer = info->mMediaBuffer;
2430
2431    return OK;
2432}
2433
2434void OMXCodec::signalBufferReturned(MediaBuffer *buffer) {
2435    Mutex::Autolock autoLock(mLock);
2436
2437    Vector<BufferInfo> *buffers = &mPortBuffers[kPortIndexOutput];
2438    for (size_t i = 0; i < buffers->size(); ++i) {
2439        BufferInfo *info = &buffers->editItemAt(i);
2440
2441        if (info->mMediaBuffer == buffer) {
2442            CHECK_EQ(mPortStatus[kPortIndexOutput], ENABLED);
2443            fillOutputBuffer(info);
2444            return;
2445        }
2446    }
2447
2448    CHECK(!"should not be here.");
2449}
2450
2451static const char *imageCompressionFormatString(OMX_IMAGE_CODINGTYPE type) {
2452    static const char *kNames[] = {
2453        "OMX_IMAGE_CodingUnused",
2454        "OMX_IMAGE_CodingAutoDetect",
2455        "OMX_IMAGE_CodingJPEG",
2456        "OMX_IMAGE_CodingJPEG2K",
2457        "OMX_IMAGE_CodingEXIF",
2458        "OMX_IMAGE_CodingTIFF",
2459        "OMX_IMAGE_CodingGIF",
2460        "OMX_IMAGE_CodingPNG",
2461        "OMX_IMAGE_CodingLZW",
2462        "OMX_IMAGE_CodingBMP",
2463    };
2464
2465    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2466
2467    if (type < 0 || (size_t)type >= numNames) {
2468        return "UNKNOWN";
2469    } else {
2470        return kNames[type];
2471    }
2472}
2473
2474static const char *colorFormatString(OMX_COLOR_FORMATTYPE type) {
2475    static const char *kNames[] = {
2476        "OMX_COLOR_FormatUnused",
2477        "OMX_COLOR_FormatMonochrome",
2478        "OMX_COLOR_Format8bitRGB332",
2479        "OMX_COLOR_Format12bitRGB444",
2480        "OMX_COLOR_Format16bitARGB4444",
2481        "OMX_COLOR_Format16bitARGB1555",
2482        "OMX_COLOR_Format16bitRGB565",
2483        "OMX_COLOR_Format16bitBGR565",
2484        "OMX_COLOR_Format18bitRGB666",
2485        "OMX_COLOR_Format18bitARGB1665",
2486        "OMX_COLOR_Format19bitARGB1666",
2487        "OMX_COLOR_Format24bitRGB888",
2488        "OMX_COLOR_Format24bitBGR888",
2489        "OMX_COLOR_Format24bitARGB1887",
2490        "OMX_COLOR_Format25bitARGB1888",
2491        "OMX_COLOR_Format32bitBGRA8888",
2492        "OMX_COLOR_Format32bitARGB8888",
2493        "OMX_COLOR_FormatYUV411Planar",
2494        "OMX_COLOR_FormatYUV411PackedPlanar",
2495        "OMX_COLOR_FormatYUV420Planar",
2496        "OMX_COLOR_FormatYUV420PackedPlanar",
2497        "OMX_COLOR_FormatYUV420SemiPlanar",
2498        "OMX_COLOR_FormatYUV422Planar",
2499        "OMX_COLOR_FormatYUV422PackedPlanar",
2500        "OMX_COLOR_FormatYUV422SemiPlanar",
2501        "OMX_COLOR_FormatYCbYCr",
2502        "OMX_COLOR_FormatYCrYCb",
2503        "OMX_COLOR_FormatCbYCrY",
2504        "OMX_COLOR_FormatCrYCbY",
2505        "OMX_COLOR_FormatYUV444Interleaved",
2506        "OMX_COLOR_FormatRawBayer8bit",
2507        "OMX_COLOR_FormatRawBayer10bit",
2508        "OMX_COLOR_FormatRawBayer8bitcompressed",
2509        "OMX_COLOR_FormatL2",
2510        "OMX_COLOR_FormatL4",
2511        "OMX_COLOR_FormatL8",
2512        "OMX_COLOR_FormatL16",
2513        "OMX_COLOR_FormatL24",
2514        "OMX_COLOR_FormatL32",
2515        "OMX_COLOR_FormatYUV420PackedSemiPlanar",
2516        "OMX_COLOR_FormatYUV422PackedSemiPlanar",
2517        "OMX_COLOR_Format18BitBGR666",
2518        "OMX_COLOR_Format24BitARGB6666",
2519        "OMX_COLOR_Format24BitABGR6666",
2520    };
2521
2522    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2523
2524    if (type == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
2525        return "OMX_QCOM_COLOR_FormatYVU420SemiPlanar";
2526    } else if (type < 0 || (size_t)type >= numNames) {
2527        return "UNKNOWN";
2528    } else {
2529        return kNames[type];
2530    }
2531}
2532
2533static const char *videoCompressionFormatString(OMX_VIDEO_CODINGTYPE type) {
2534    static const char *kNames[] = {
2535        "OMX_VIDEO_CodingUnused",
2536        "OMX_VIDEO_CodingAutoDetect",
2537        "OMX_VIDEO_CodingMPEG2",
2538        "OMX_VIDEO_CodingH263",
2539        "OMX_VIDEO_CodingMPEG4",
2540        "OMX_VIDEO_CodingWMV",
2541        "OMX_VIDEO_CodingRV",
2542        "OMX_VIDEO_CodingAVC",
2543        "OMX_VIDEO_CodingMJPEG",
2544    };
2545
2546    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2547
2548    if (type < 0 || (size_t)type >= numNames) {
2549        return "UNKNOWN";
2550    } else {
2551        return kNames[type];
2552    }
2553}
2554
2555static const char *audioCodingTypeString(OMX_AUDIO_CODINGTYPE type) {
2556    static const char *kNames[] = {
2557        "OMX_AUDIO_CodingUnused",
2558        "OMX_AUDIO_CodingAutoDetect",
2559        "OMX_AUDIO_CodingPCM",
2560        "OMX_AUDIO_CodingADPCM",
2561        "OMX_AUDIO_CodingAMR",
2562        "OMX_AUDIO_CodingGSMFR",
2563        "OMX_AUDIO_CodingGSMEFR",
2564        "OMX_AUDIO_CodingGSMHR",
2565        "OMX_AUDIO_CodingPDCFR",
2566        "OMX_AUDIO_CodingPDCEFR",
2567        "OMX_AUDIO_CodingPDCHR",
2568        "OMX_AUDIO_CodingTDMAFR",
2569        "OMX_AUDIO_CodingTDMAEFR",
2570        "OMX_AUDIO_CodingQCELP8",
2571        "OMX_AUDIO_CodingQCELP13",
2572        "OMX_AUDIO_CodingEVRC",
2573        "OMX_AUDIO_CodingSMV",
2574        "OMX_AUDIO_CodingG711",
2575        "OMX_AUDIO_CodingG723",
2576        "OMX_AUDIO_CodingG726",
2577        "OMX_AUDIO_CodingG729",
2578        "OMX_AUDIO_CodingAAC",
2579        "OMX_AUDIO_CodingMP3",
2580        "OMX_AUDIO_CodingSBC",
2581        "OMX_AUDIO_CodingVORBIS",
2582        "OMX_AUDIO_CodingWMA",
2583        "OMX_AUDIO_CodingRA",
2584        "OMX_AUDIO_CodingMIDI",
2585    };
2586
2587    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2588
2589    if (type < 0 || (size_t)type >= numNames) {
2590        return "UNKNOWN";
2591    } else {
2592        return kNames[type];
2593    }
2594}
2595
2596static const char *audioPCMModeString(OMX_AUDIO_PCMMODETYPE type) {
2597    static const char *kNames[] = {
2598        "OMX_AUDIO_PCMModeLinear",
2599        "OMX_AUDIO_PCMModeALaw",
2600        "OMX_AUDIO_PCMModeMULaw",
2601    };
2602
2603    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2604
2605    if (type < 0 || (size_t)type >= numNames) {
2606        return "UNKNOWN";
2607    } else {
2608        return kNames[type];
2609    }
2610}
2611
2612static const char *amrBandModeString(OMX_AUDIO_AMRBANDMODETYPE type) {
2613    static const char *kNames[] = {
2614        "OMX_AUDIO_AMRBandModeUnused",
2615        "OMX_AUDIO_AMRBandModeNB0",
2616        "OMX_AUDIO_AMRBandModeNB1",
2617        "OMX_AUDIO_AMRBandModeNB2",
2618        "OMX_AUDIO_AMRBandModeNB3",
2619        "OMX_AUDIO_AMRBandModeNB4",
2620        "OMX_AUDIO_AMRBandModeNB5",
2621        "OMX_AUDIO_AMRBandModeNB6",
2622        "OMX_AUDIO_AMRBandModeNB7",
2623        "OMX_AUDIO_AMRBandModeWB0",
2624        "OMX_AUDIO_AMRBandModeWB1",
2625        "OMX_AUDIO_AMRBandModeWB2",
2626        "OMX_AUDIO_AMRBandModeWB3",
2627        "OMX_AUDIO_AMRBandModeWB4",
2628        "OMX_AUDIO_AMRBandModeWB5",
2629        "OMX_AUDIO_AMRBandModeWB6",
2630        "OMX_AUDIO_AMRBandModeWB7",
2631        "OMX_AUDIO_AMRBandModeWB8",
2632    };
2633
2634    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2635
2636    if (type < 0 || (size_t)type >= numNames) {
2637        return "UNKNOWN";
2638    } else {
2639        return kNames[type];
2640    }
2641}
2642
2643static const char *amrFrameFormatString(OMX_AUDIO_AMRFRAMEFORMATTYPE type) {
2644    static const char *kNames[] = {
2645        "OMX_AUDIO_AMRFrameFormatConformance",
2646        "OMX_AUDIO_AMRFrameFormatIF1",
2647        "OMX_AUDIO_AMRFrameFormatIF2",
2648        "OMX_AUDIO_AMRFrameFormatFSF",
2649        "OMX_AUDIO_AMRFrameFormatRTPPayload",
2650        "OMX_AUDIO_AMRFrameFormatITU",
2651    };
2652
2653    size_t numNames = sizeof(kNames) / sizeof(kNames[0]);
2654
2655    if (type < 0 || (size_t)type >= numNames) {
2656        return "UNKNOWN";
2657    } else {
2658        return kNames[type];
2659    }
2660}
2661
2662void OMXCodec::dumpPortStatus(OMX_U32 portIndex) {
2663    OMX_PARAM_PORTDEFINITIONTYPE def;
2664    InitOMXParams(&def);
2665    def.nPortIndex = portIndex;
2666
2667    status_t err = mOMX->getParameter(
2668            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2669    CHECK_EQ(err, OK);
2670
2671    printf("%s Port = {\n", portIndex == kPortIndexInput ? "Input" : "Output");
2672
2673    CHECK((portIndex == kPortIndexInput && def.eDir == OMX_DirInput)
2674          || (portIndex == kPortIndexOutput && def.eDir == OMX_DirOutput));
2675
2676    printf("  nBufferCountActual = %ld\n", def.nBufferCountActual);
2677    printf("  nBufferCountMin = %ld\n", def.nBufferCountMin);
2678    printf("  nBufferSize = %ld\n", def.nBufferSize);
2679
2680    switch (def.eDomain) {
2681        case OMX_PortDomainImage:
2682        {
2683            const OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2684
2685            printf("\n");
2686            printf("  // Image\n");
2687            printf("  nFrameWidth = %ld\n", imageDef->nFrameWidth);
2688            printf("  nFrameHeight = %ld\n", imageDef->nFrameHeight);
2689            printf("  nStride = %ld\n", imageDef->nStride);
2690
2691            printf("  eCompressionFormat = %s\n",
2692                   imageCompressionFormatString(imageDef->eCompressionFormat));
2693
2694            printf("  eColorFormat = %s\n",
2695                   colorFormatString(imageDef->eColorFormat));
2696
2697            break;
2698        }
2699
2700        case OMX_PortDomainVideo:
2701        {
2702            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2703
2704            printf("\n");
2705            printf("  // Video\n");
2706            printf("  nFrameWidth = %ld\n", videoDef->nFrameWidth);
2707            printf("  nFrameHeight = %ld\n", videoDef->nFrameHeight);
2708            printf("  nStride = %ld\n", videoDef->nStride);
2709
2710            printf("  eCompressionFormat = %s\n",
2711                   videoCompressionFormatString(videoDef->eCompressionFormat));
2712
2713            printf("  eColorFormat = %s\n",
2714                   colorFormatString(videoDef->eColorFormat));
2715
2716            break;
2717        }
2718
2719        case OMX_PortDomainAudio:
2720        {
2721            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2722
2723            printf("\n");
2724            printf("  // Audio\n");
2725            printf("  eEncoding = %s\n",
2726                   audioCodingTypeString(audioDef->eEncoding));
2727
2728            if (audioDef->eEncoding == OMX_AUDIO_CodingPCM) {
2729                OMX_AUDIO_PARAM_PCMMODETYPE params;
2730                InitOMXParams(&params);
2731                params.nPortIndex = portIndex;
2732
2733                err = mOMX->getParameter(
2734                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2735                CHECK_EQ(err, OK);
2736
2737                printf("  nSamplingRate = %ld\n", params.nSamplingRate);
2738                printf("  nChannels = %ld\n", params.nChannels);
2739                printf("  bInterleaved = %d\n", params.bInterleaved);
2740                printf("  nBitPerSample = %ld\n", params.nBitPerSample);
2741
2742                printf("  eNumData = %s\n",
2743                       params.eNumData == OMX_NumericalDataSigned
2744                        ? "signed" : "unsigned");
2745
2746                printf("  ePCMMode = %s\n", audioPCMModeString(params.ePCMMode));
2747            } else if (audioDef->eEncoding == OMX_AUDIO_CodingAMR) {
2748                OMX_AUDIO_PARAM_AMRTYPE amr;
2749                InitOMXParams(&amr);
2750                amr.nPortIndex = portIndex;
2751
2752                err = mOMX->getParameter(
2753                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2754                CHECK_EQ(err, OK);
2755
2756                printf("  nChannels = %ld\n", amr.nChannels);
2757                printf("  eAMRBandMode = %s\n",
2758                        amrBandModeString(amr.eAMRBandMode));
2759                printf("  eAMRFrameFormat = %s\n",
2760                        amrFrameFormatString(amr.eAMRFrameFormat));
2761            }
2762
2763            break;
2764        }
2765
2766        default:
2767        {
2768            printf("  // Unknown\n");
2769            break;
2770        }
2771    }
2772
2773    printf("}\n");
2774}
2775
2776void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
2777    mOutputFormat = new MetaData;
2778    mOutputFormat->setCString(kKeyDecoderComponent, mComponentName);
2779
2780    OMX_PARAM_PORTDEFINITIONTYPE def;
2781    InitOMXParams(&def);
2782    def.nPortIndex = kPortIndexOutput;
2783
2784    status_t err = mOMX->getParameter(
2785            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2786    CHECK_EQ(err, OK);
2787
2788    switch (def.eDomain) {
2789        case OMX_PortDomainImage:
2790        {
2791            OMX_IMAGE_PORTDEFINITIONTYPE *imageDef = &def.format.image;
2792            CHECK_EQ(imageDef->eCompressionFormat, OMX_IMAGE_CodingUnused);
2793
2794            mOutputFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
2795            mOutputFormat->setInt32(kKeyColorFormat, imageDef->eColorFormat);
2796            mOutputFormat->setInt32(kKeyWidth, imageDef->nFrameWidth);
2797            mOutputFormat->setInt32(kKeyHeight, imageDef->nFrameHeight);
2798            break;
2799        }
2800
2801        case OMX_PortDomainAudio:
2802        {
2803            OMX_AUDIO_PORTDEFINITIONTYPE *audio_def = &def.format.audio;
2804
2805            if (audio_def->eEncoding == OMX_AUDIO_CodingPCM) {
2806                OMX_AUDIO_PARAM_PCMMODETYPE params;
2807                InitOMXParams(&params);
2808                params.nPortIndex = kPortIndexOutput;
2809
2810                err = mOMX->getParameter(
2811                        mNode, OMX_IndexParamAudioPcm, &params, sizeof(params));
2812                CHECK_EQ(err, OK);
2813
2814                CHECK_EQ(params.eNumData, OMX_NumericalDataSigned);
2815                CHECK_EQ(params.nBitPerSample, 16);
2816                CHECK_EQ(params.ePCMMode, OMX_AUDIO_PCMModeLinear);
2817
2818                int32_t numChannels, sampleRate;
2819                inputFormat->findInt32(kKeyChannelCount, &numChannels);
2820                inputFormat->findInt32(kKeySampleRate, &sampleRate);
2821
2822                if ((OMX_U32)numChannels != params.nChannels) {
2823                    LOGW("Codec outputs a different number of channels than "
2824                         "the input stream contains (contains %d channels, "
2825                         "codec outputs %ld channels).",
2826                         numChannels, params.nChannels);
2827                }
2828
2829                mOutputFormat->setCString(
2830                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
2831
2832                // Use the codec-advertised number of channels, as some
2833                // codecs appear to output stereo even if the input data is
2834                // mono. If we know the codec lies about this information,
2835                // use the actual number of channels instead.
2836                mOutputFormat->setInt32(
2837                        kKeyChannelCount,
2838                        (mQuirks & kDecoderLiesAboutNumberOfChannels)
2839                            ? numChannels : params.nChannels);
2840
2841                // The codec-reported sampleRate is not reliable...
2842                mOutputFormat->setInt32(kKeySampleRate, sampleRate);
2843            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAMR) {
2844                OMX_AUDIO_PARAM_AMRTYPE amr;
2845                InitOMXParams(&amr);
2846                amr.nPortIndex = kPortIndexOutput;
2847
2848                err = mOMX->getParameter(
2849                        mNode, OMX_IndexParamAudioAmr, &amr, sizeof(amr));
2850                CHECK_EQ(err, OK);
2851
2852                CHECK_EQ(amr.nChannels, 1);
2853                mOutputFormat->setInt32(kKeyChannelCount, 1);
2854
2855                if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeNB0
2856                    && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeNB7) {
2857                    mOutputFormat->setCString(
2858                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_NB);
2859                    mOutputFormat->setInt32(kKeySampleRate, 8000);
2860                } else if (amr.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0
2861                            && amr.eAMRBandMode <= OMX_AUDIO_AMRBandModeWB8) {
2862                    mOutputFormat->setCString(
2863                            kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AMR_WB);
2864                    mOutputFormat->setInt32(kKeySampleRate, 16000);
2865                } else {
2866                    CHECK(!"Unknown AMR band mode.");
2867                }
2868            } else if (audio_def->eEncoding == OMX_AUDIO_CodingAAC) {
2869                mOutputFormat->setCString(
2870                        kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AAC);
2871            } else {
2872                CHECK(!"Should not be here. Unknown audio encoding.");
2873            }
2874            break;
2875        }
2876
2877        case OMX_PortDomainVideo:
2878        {
2879            OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2880
2881            if (video_def->eCompressionFormat == OMX_VIDEO_CodingUnused) {
2882                mOutputFormat->setCString(
2883                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
2884            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingMPEG4) {
2885                mOutputFormat->setCString(
2886                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
2887            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingH263) {
2888                mOutputFormat->setCString(
2889                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
2890            } else if (video_def->eCompressionFormat == OMX_VIDEO_CodingAVC) {
2891                mOutputFormat->setCString(
2892                        kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
2893            } else {
2894                CHECK(!"Unknown compression format.");
2895            }
2896
2897            if (!strcmp(mComponentName, "OMX.PV.avcdec")) {
2898                // This component appears to be lying to me.
2899                mOutputFormat->setInt32(
2900                        kKeyWidth, (video_def->nFrameWidth + 15) & -16);
2901                mOutputFormat->setInt32(
2902                        kKeyHeight, (video_def->nFrameHeight + 15) & -16);
2903            } else {
2904                mOutputFormat->setInt32(kKeyWidth, video_def->nFrameWidth);
2905                mOutputFormat->setInt32(kKeyHeight, video_def->nFrameHeight);
2906            }
2907
2908            mOutputFormat->setInt32(kKeyColorFormat, video_def->eColorFormat);
2909            break;
2910        }
2911
2912        default:
2913        {
2914            CHECK(!"should not be here, neither audio nor video.");
2915            break;
2916        }
2917    }
2918}
2919
2920////////////////////////////////////////////////////////////////////////////////
2921
2922status_t QueryCodecs(
2923        const sp<IOMX> &omx,
2924        const char *mime, bool queryDecoders,
2925        Vector<CodecCapabilities> *results) {
2926    results->clear();
2927
2928    for (int index = 0;; ++index) {
2929        const char *componentName;
2930
2931        if (!queryDecoders) {
2932            componentName = GetCodec(
2933                    kEncoderInfo, sizeof(kEncoderInfo) / sizeof(kEncoderInfo[0]),
2934                    mime, index);
2935        } else {
2936            componentName = GetCodec(
2937                    kDecoderInfo, sizeof(kDecoderInfo) / sizeof(kDecoderInfo[0]),
2938                    mime, index);
2939        }
2940
2941        if (!componentName) {
2942            return OK;
2943        }
2944
2945        sp<OMXCodecObserver> observer = new OMXCodecObserver;
2946        IOMX::node_id node;
2947        status_t err = omx->allocateNode(componentName, observer, &node);
2948
2949        if (err != OK) {
2950            continue;
2951        }
2952
2953        OMXCodec::setComponentRole(omx, node, queryDecoders, mime);
2954
2955        results->push();
2956        CodecCapabilities *caps = &results->editItemAt(results->size() - 1);
2957        caps->mComponentName = componentName;
2958
2959        OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
2960        InitOMXParams(&param);
2961
2962        param.nPortIndex = queryDecoders ? 0 : 1;
2963
2964        for (param.nProfileIndex = 0;; ++param.nProfileIndex) {
2965            err = omx->getParameter(
2966                    node, OMX_IndexParamVideoProfileLevelQuerySupported,
2967                    &param, sizeof(param));
2968
2969            if (err != OK) {
2970                break;
2971            }
2972
2973            CodecProfileLevel profileLevel;
2974            profileLevel.mProfile = param.eProfile;
2975            profileLevel.mLevel = param.eLevel;
2976
2977            caps->mProfileLevels.push(profileLevel);
2978        }
2979
2980        CHECK_EQ(omx->freeNode(node), OK);
2981    }
2982}
2983
2984}  // namespace android
2985