DRMExtractor::DRMExtractor(const sp<DataSource> &source, const char* mime) : mDataSource(source), mDecryptHandle(NULL), mDrmManagerClient(NULL) { mOriginalExtractor = MediaExtractor::Create(source, mime); mOriginalExtractor->setDrmFlag(true); mOriginalExtractor->getMetaData()->setInt32(kKeyIsDRM, 1); source->getDrmInfo(mDecryptHandle, &mDrmManagerClient); }
// static sp<MediaExtractor> MediaExtractor::Create( const sp<DataSource> &source, const char *mime) { sp<AMessage> meta; ALOGD("JB +MediaExtractor::Create"); String8 tmp; if (mime == NULL) { float confidence; if (!source->sniff(&tmp, &confidence, &meta)) { ALOGV("FAILED to autodetect media content."); return NULL; } mime = tmp.string(); ALOGD("Autodetected media content as '%s' with confidence %.2f", mime, confidence); } bool isDrm = false; // DRM MIME type syntax is "drm+type+original" where // type is "es_based" or "container_based" and // original is the content's cleartext MIME type if (!strncmp(mime, "drm+", 4)) { const char *originalMime = strchr(mime+4, '+'); if (originalMime == NULL) { // second + not found return NULL; } ++originalMime; if (!strncmp(mime, "drm+es_based+", 13)) { // DRMExtractor sets container metadata kKeyIsDRM to 1 return new DRMExtractor(source, originalMime); } else if (!strncmp(mime, "drm+container_based+", 20)) { mime = originalMime; isDrm = true; } else { return NULL; } } // M: add for OMA DRM v1.0 implementation // explanation: // for an OMA DRM v1.0 file, if it can be sniffed successfully, the mime type // would be replaced by the actual type (e.g. image/jpeg) instead of drm+containder_based+<original_mime> // Thus, the following code checks for decrypt handle and set isDrm to true // so that it's handled correctly in AwesomePlayer. #ifndef ANDROID_DEFAULT_CODE #ifdef MTK_DRM_APP DrmManagerClient *drmManagerClient = NULL; sp<DecryptHandle> decryptHandle; source->getDrmInfo(decryptHandle, &drmManagerClient); // mark isDrm as true for OMA DRM v1.0 file // the same judgement as in FileSource::flags() if (decryptHandle.get() != NULL && DecryptApiType::CONTAINER_BASED == decryptHandle->decryptApiType) { isDrm = true; } #endif #endif #ifndef ANDROID_DEFAULT_CODE sp<MediaExtractor> ret; #else MediaExtractor *ret = NULL; #endif if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) || !strcasecmp(mime, "audio/mp4")) { int fragmented = 0; if (meta != NULL && meta->findInt32("fragmented", &fragmented) && fragmented) { ret = new FragmentedMP4Extractor(source); } else { ret = new MPEG4Extractor(source); } } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) { ret = new MP3Extractor(source, meta); } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB) || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) { ret = new AMRExtractor(source); } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)) { ret = new FLACExtractor(source); } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV)) { ret = new WAVExtractor(source); } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG)) { ret = new OggExtractor(source); } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) { ret = new MatroskaExtractor(source); } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) { ret = new MPEG2TSExtractor(source); } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2PS)) { #ifndef ANDROID_DEFAULT_CODE #ifdef MTK_MTKPS_PLAYBACK_SUPPORT ret = new MPEG2PSExtractor(source); #else //MTK_MTKPS_PLAYBACK_SUPPORT ALOGV(" MediaExtractor::is PS file, not support playing now"); ret =NULL; #endif //MTK_MTKPS_PLAYBACK_SUPPORT #else //#ifndef ANDROID_DEFAULT_CODE ret = new MPEG2PSExtractor(source); #endif //#ifndef ANDROID_DEFAULT_CODE } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_AVI)) { #ifdef MTK_AVI_PLAYBACK_SUPPORT ret = new MtkAVIExtractor(source); #endif } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WVM)) { // Return now. WVExtractor should not have the DrmFlag set in the block below. return new WVMExtractor(source); } #ifndef ANDROID_DEFAULT_CODE else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) { ret = new MtkAACExtractor(source,meta); } #else else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC_ADTS)) { ret = new AACExtractor(source, meta); } #endif #ifndef ANDROID_DEFAULT_CODE #ifdef MTK_ASF_PLAYBACK_SUPPORT else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_ASF)) { ret = ASFExtractorCreateInstance(source); } #endif #ifdef MTK_FLV_PLAYBACK_SUPPORT else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLV)) { ret = FLVExtractorCreateInstance(source); } #endif//#ifdef MTK_FLV_PLAYBACK_SUPPORT #ifdef MTK_AUDIO_APE_SUPPORT else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_APE)) { ret = new APEExtractor(source, meta); } #endif else if (!strcasecmp(mime, MEDIA_MIMETYPE_APPLICATION_SDP)) { ret = new MtkSDPExtractor(source); } #ifdef MTK_OGM_PLAYBACK_SUPPORT else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGM)) { ret = new OgmExtractor(source); } #endif//#ifdef MTK_OGM_PLAYBACK_SUPPORT #endif if (ret != NULL) { if (isDrm) { ret->setDrmFlag(true); } else { ret->setDrmFlag(false); } } ALOGD("JB -MediaExtractor::Create"); return ret; }