diff options
Diffstat (limited to 'media/libmediaplayerservice/MediaPlayerService.cpp')
| -rw-r--r-- | media/libmediaplayerservice/MediaPlayerService.cpp | 217 |
1 files changed, 213 insertions, 4 deletions
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp index 31eecac..493dc13 100644 --- a/media/libmediaplayerservice/MediaPlayerService.cpp +++ b/media/libmediaplayerservice/MediaPlayerService.cpp @@ -27,13 +27,21 @@ #include <unistd.h> #include <string.h> + #include <cutils/atomic.h> +#include <cutils/properties.h> + +#include <utils/misc.h> #include <android_runtime/ActivityManager.h> -#include <utils/IPCThreadState.h> -#include <utils/IServiceManager.h> -#include <utils/MemoryHeapBase.h> -#include <utils/MemoryBase.h> + +#include <binder/IPCThreadState.h> +#include <binder/IServiceManager.h> +#include <binder/MemoryHeapBase.h> +#include <binder/MemoryBase.h> +#include <utils/Errors.h> // for status_t +#include <utils/String8.h> +#include <utils/Vector.h> #include <cutils/properties.h> #include <media/MediaPlayerInterface.h> @@ -41,6 +49,8 @@ #include <media/MediaMetadataRetrieverInterface.h> #include <media/AudioTrack.h> +#include <utils/SortedVector.h> + #include "MediaRecorderClient.h" #include "MediaPlayerService.h" #include "MetadataRetrieverClient.h" @@ -61,6 +71,112 @@ pid_t gettid() { return syscall(__NR_gettid);} #undef __KERNEL__ #endif +namespace { +using android::status_t; +using android::OK; +using android::BAD_VALUE; +using android::NOT_ENOUGH_DATA; +using android::MetadataType; +using android::Parcel; +using android::SortedVector; + +// Max number of entries in the filter. +const int kMaxFilterSize = 64; // I pulled that out of thin air. + +// Keep in sync with ANY in Metadata.java +const int32_t kAny = 0; + + +// Unmarshall a filter from a Parcel. +// Filter format in a parcel: +// +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | number of entries (n) | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | metadata type 1 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | metadata type 2 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// .... +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | metadata type n | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// +// @param p Parcel that should start with a filter. +// @param[out] filter On exit contains the list of metadata type to be +// filtered. +// @param[out] status On exit contains the status code to be returned. +// @return true if the parcel starts with a valid filter. +bool unmarshallFilter(const Parcel& p, + SortedVector<MetadataType> *filter, + status_t *status) +{ + int32_t val; + if (p.readInt32(&val) != OK) + { + LOGE("Failed to read filter's length"); + *status = NOT_ENOUGH_DATA; + return false; + } + + if( val > kMaxFilterSize || val < 0) + { + LOGE("Invalid filter len %d", val); + *status = BAD_VALUE; + return false; + } + + const size_t num = val; + + filter->clear(); + filter->setCapacity(num); + + size_t size = num * sizeof(MetadataType); + + + if (p.dataAvail() < size) + { + LOGE("Filter too short expected %d but got %d", size, p.dataAvail()); + *status = NOT_ENOUGH_DATA; + return false; + } + + const MetadataType *data = static_cast<const MetadataType*>(p.readInplace(size)); + + if (NULL == data) + { + LOGE("Filter had no data"); + *status = BAD_VALUE; + return false; + } + + // TODO: The stl impl of vector would be more efficient here + // because it degenerates into a memcpy on pod types. Try to + // replace later or use stl::set. + for (size_t i = 0; i < num; ++i) + { + filter->add(*data); + ++data; + } + *status = OK; + return true; +} + +// @param filter Of metadata type. +// @param val To be searched. +// @return true if a match was found. +bool findMetadata(const SortedVector<MetadataType>& filter, const int32_t val) +{ + // Deal with empty and ANY right away + if (filter.isEmpty()) return false; + if (filter[0] == kAny) return true; + + return filter.indexOf(val) >= 0; +} + +} // anonymous namespace + namespace android { @@ -105,7 +221,11 @@ MediaPlayerService::~MediaPlayerService() sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid) { +#ifndef NO_OPENCORE sp<MediaRecorderClient> recorder = new MediaRecorderClient(pid); +#else + sp<MediaRecorderClient> recorder = NULL; +#endif LOGV("Create new media recorder client from pid %d", pid); return recorder; } @@ -532,10 +652,12 @@ static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, { sp<MediaPlayerBase> p; switch (playerType) { +#ifndef NO_OPENCORE case PV_PLAYER: LOGV(" create PVPlayer"); p = new PVPlayer(); break; +#endif case SONIVOX_PLAYER: LOGV(" create MidiFile"); p = new MidiFile(); @@ -665,6 +787,55 @@ status_t MediaPlayerService::Client::setVideoSurface(const sp<ISurface>& surface return p->setVideoSurface(surface); } +status_t MediaPlayerService::Client::invoke(const Parcel& request, + Parcel *reply) +{ + sp<MediaPlayerBase> p = getPlayer(); + if (p == NULL) return UNKNOWN_ERROR; + return p->invoke(request, reply); +} + +// This call doesn't need to access the native player. +status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) +{ + status_t status; + SortedVector<MetadataType> allow, drop; + + if (unmarshallFilter(filter, &allow, &status) && + unmarshallFilter(filter, &drop, &status)) { + Mutex::Autolock lock(mLock); + + mMetadataAllow = allow; + mMetadataDrop = drop; + } + return status; +} + +status_t MediaPlayerService::Client::getMetadata( + bool update_only, bool apply_filter, Parcel *reply) +{ + status_t status; + reply->writeInt32(-1); // Placeholder for the return code + + SortedVector<MetadataType> updates; + + // We don't block notifications while we fetch the data. We clear + // mMetadataUpdated first so we don't lose notifications happening + // during the rest of this call. + { + Mutex::Autolock lock(mLock); + if (update_only) { + updates = mMetadataUpdated; + } + mMetadataUpdated.clear(); + } + + // FIXME: Implement, query the native player and do the optional filtering, etc... + status = OK; + + return status; +} + status_t MediaPlayerService::Client::prepareAsync() { LOGV("[%d] prepareAsync", mConnId); @@ -784,13 +955,51 @@ status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolu return NO_ERROR; } + void MediaPlayerService::Client::notify(void* cookie, int msg, int ext1, int ext2) { Client* client = static_cast<Client*>(cookie); + + if (MEDIA_INFO == msg && + MEDIA_INFO_METADATA_UPDATE == ext1) { + const MetadataType metadata_type = ext2; + + if(client->shouldDropMetadata(metadata_type)) { + return; + } + + // Update the list of metadata that have changed. getMetadata + // also access mMetadataUpdated and clears it. + client->addNewMetadataUpdate(metadata_type); + } LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); client->mClient->notify(msg, ext1, ext2); } + +bool MediaPlayerService::Client::shouldDropMetadata(MetadataType code) const +{ + Mutex::Autolock lock(mLock); + + if (findMetadata(mMetadataDrop, code)) { + return true; + } + + if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { + return false; + } else { + return true; + } +} + + +void MediaPlayerService::Client::addNewMetadataUpdate(MetadataType metadata_type) { + Mutex::Autolock lock(mLock); + if (mMetadataUpdated.indexOf(metadata_type) < 0) { + mMetadataUpdated.add(metadata_type); + } +} + #if CALLBACK_ANTAGONIZER const int Antagonizer::interval = 10000; // 10 msecs |