| /* |
| ** |
| ** Copyright 2008, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| // Proxy for media player implementations |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "MediaPlayerService" |
| #include <utils/Log.h> |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <dirent.h> |
| #include <unistd.h> |
| |
| #include <string.h> |
| |
| #include <cutils/atomic.h> |
| #include <cutils/properties.h> // for property_get |
| |
| #include <utils/misc.h> |
| |
| #include <android_runtime/ActivityManager.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/SystemClock.h> |
| #include <utils/Vector.h> |
| #include <cutils/properties.h> |
| |
| #include <media/MediaPlayerInterface.h> |
| #include <media/mediarecorder.h> |
| #include <media/MediaMetadataRetrieverInterface.h> |
| #include <media/Metadata.h> |
| #include <media/AudioTrack.h> |
| |
| #include "MediaRecorderClient.h" |
| #include "MediaPlayerService.h" |
| #include "MetadataRetrieverClient.h" |
| |
| #include "MidiFile.h" |
| #include "VorbisPlayer.h" |
| #include <media/PVPlayer.h> |
| #include "TestPlayerStub.h" |
| #include "StagefrightPlayer.h" |
| |
| #include <OMX.h> |
| |
| /* desktop Linux needs a little help with gettid() */ |
| #if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS) |
| #define __KERNEL__ |
| # include <linux/unistd.h> |
| #ifdef _syscall0 |
| _syscall0(pid_t,gettid) |
| #else |
| pid_t gettid() { return syscall(__NR_gettid);} |
| #endif |
| #undef __KERNEL__ |
| #endif |
| |
| namespace { |
| using android::media::Metadata; |
| using android::status_t; |
| using android::OK; |
| using android::BAD_VALUE; |
| using android::NOT_ENOUGH_DATA; |
| using android::Parcel; |
| |
| // Max number of entries in the filter. |
| const int kMaxFilterSize = 64; // I pulled that out of thin air. |
| |
| // FIXME: Move all the metadata related function in the Metadata.cpp |
| |
| |
| // 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, |
| Metadata::Filter *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(Metadata::Type); |
| |
| |
| if (p.dataAvail() < size) |
| { |
| LOGE("Filter too short expected %d but got %d", size, p.dataAvail()); |
| *status = NOT_ENOUGH_DATA; |
| return false; |
| } |
| |
| const Metadata::Type *data = |
| static_cast<const Metadata::Type*>(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 Metadata::Filter& filter, const int32_t val) |
| { |
| // Deal with empty and ANY right away |
| if (filter.isEmpty()) return false; |
| if (filter[0] == Metadata::kAny) return true; |
| |
| return filter.indexOf(val) >= 0; |
| } |
| |
| } // anonymous namespace |
| |
| |
| namespace android { |
| |
| // TODO: Temp hack until we can register players |
| typedef struct { |
| const char *extension; |
| const player_type playertype; |
| } extmap; |
| extmap FILE_EXTS [] = { |
| {".mid", SONIVOX_PLAYER}, |
| {".midi", SONIVOX_PLAYER}, |
| {".smf", SONIVOX_PLAYER}, |
| {".xmf", SONIVOX_PLAYER}, |
| {".imy", SONIVOX_PLAYER}, |
| {".rtttl", SONIVOX_PLAYER}, |
| {".rtx", SONIVOX_PLAYER}, |
| {".ota", SONIVOX_PLAYER}, |
| {".ogg", VORBIS_PLAYER}, |
| {".oga", VORBIS_PLAYER}, |
| #ifndef NO_OPENCORE |
| {".wma", PV_PLAYER}, |
| {".wmv", PV_PLAYER}, |
| {".asf", PV_PLAYER}, |
| #endif |
| }; |
| |
| // TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround |
| /* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; |
| /* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; |
| |
| void MediaPlayerService::instantiate() { |
| defaultServiceManager()->addService( |
| String16("media.player"), new MediaPlayerService()); |
| } |
| |
| MediaPlayerService::MediaPlayerService() |
| { |
| LOGV("MediaPlayerService created"); |
| mNextConnId = 1; |
| } |
| |
| MediaPlayerService::~MediaPlayerService() |
| { |
| LOGV("MediaPlayerService destroyed"); |
| } |
| |
| sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid) |
| { |
| #ifndef NO_OPENCORE |
| sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); |
| wp<MediaRecorderClient> w = recorder; |
| Mutex::Autolock lock(mLock); |
| mMediaRecorderClients.add(w); |
| #else |
| sp<MediaRecorderClient> recorder = NULL; |
| #endif |
| LOGV("Create new media recorder client from pid %d", pid); |
| return recorder; |
| } |
| |
| void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) |
| { |
| Mutex::Autolock lock(mLock); |
| mMediaRecorderClients.remove(client); |
| LOGV("Delete media recorder client"); |
| } |
| |
| sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever(pid_t pid) |
| { |
| sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); |
| LOGV("Create new media retriever from pid %d", pid); |
| return retriever; |
| } |
| |
| sp<IMediaPlayer> MediaPlayerService::create( |
| pid_t pid, const sp<IMediaPlayerClient>& client, const char* url, |
| const KeyedVector<String8, String8> *headers) |
| { |
| int32_t connId = android_atomic_inc(&mNextConnId); |
| sp<Client> c = new Client(this, pid, connId, client); |
| LOGV("Create new client(%d) from pid %d, url=%s, connId=%d", connId, pid, url, connId); |
| if (NO_ERROR != c->setDataSource(url, headers)) |
| { |
| c.clear(); |
| return c; |
| } |
| wp<Client> w = c; |
| Mutex::Autolock lock(mLock); |
| mClients.add(w); |
| return c; |
| } |
| |
| sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, |
| int fd, int64_t offset, int64_t length) |
| { |
| int32_t connId = android_atomic_inc(&mNextConnId); |
| sp<Client> c = new Client(this, pid, connId, client); |
| LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld", |
| connId, pid, fd, offset, length); |
| if (NO_ERROR != c->setDataSource(fd, offset, length)) { |
| c.clear(); |
| } else { |
| wp<Client> w = c; |
| Mutex::Autolock lock(mLock); |
| mClients.add(w); |
| } |
| ::close(fd); |
| return c; |
| } |
| |
| sp<IOMX> MediaPlayerService::getOMX() { |
| Mutex::Autolock autoLock(mLock); |
| |
| if (mOMX.get() == NULL) { |
| mOMX = new OMX; |
| } |
| |
| return mOMX; |
| } |
| |
| status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| |
| result.append(" AudioCache\n"); |
| if (mHeap != 0) { |
| snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d), device(%s)\n", |
| mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice()); |
| result.append(buffer); |
| } |
| snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n", |
| mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); |
| result.append(buffer); |
| snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", |
| mSampleRate, mSize, mError, mCommandComplete?"true":"false"); |
| result.append(buffer); |
| ::write(fd, result.string(), result.size()); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| |
| result.append(" AudioOutput\n"); |
| snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", |
| mStreamType, mLeftVolume, mRightVolume); |
| result.append(buffer); |
| snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", |
| mMsecsPerFrame, mLatency); |
| result.append(buffer); |
| ::write(fd, result.string(), result.size()); |
| if (mTrack != 0) { |
| mTrack->dump(fd, args); |
| } |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| result.append(" Client\n"); |
| snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", |
| mPid, mConnId, mStatus, mLoop?"true": "false"); |
| result.append(buffer); |
| write(fd, result.string(), result.size()); |
| if (mAudioOutput != 0) { |
| mAudioOutput->dump(fd, args); |
| } |
| write(fd, "\n", 1); |
| return NO_ERROR; |
| } |
| |
| static int myTid() { |
| #ifdef HAVE_GETTID |
| return gettid(); |
| #else |
| return getpid(); |
| #endif |
| } |
| |
| #if defined(__arm__) |
| extern "C" void get_malloc_leak_info(uint8_t** info, size_t* overallSize, |
| size_t* infoSize, size_t* totalMemory, size_t* backtraceSize); |
| extern "C" void free_malloc_leak_info(uint8_t* info); |
| |
| // Use the String-class below instead of String8 to allocate all memory |
| // beforehand and not reenter the heap while we are examining it... |
| struct MyString8 { |
| static const size_t MAX_SIZE = 256 * 1024; |
| |
| MyString8() |
| : mPtr((char *)malloc(MAX_SIZE)) { |
| *mPtr = '\0'; |
| } |
| |
| ~MyString8() { |
| free(mPtr); |
| } |
| |
| void append(const char *s) { |
| strcat(mPtr, s); |
| } |
| |
| const char *string() const { |
| return mPtr; |
| } |
| |
| size_t size() const { |
| return strlen(mPtr); |
| } |
| |
| private: |
| char *mPtr; |
| |
| MyString8(const MyString8 &); |
| MyString8 &operator=(const MyString8 &); |
| }; |
| |
| void memStatus(int fd, const Vector<String16>& args) |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| MyString8 result; |
| |
| typedef struct { |
| size_t size; |
| size_t dups; |
| intptr_t * backtrace; |
| } AllocEntry; |
| |
| uint8_t *info = NULL; |
| size_t overallSize = 0; |
| size_t infoSize = 0; |
| size_t totalMemory = 0; |
| size_t backtraceSize = 0; |
| |
| get_malloc_leak_info(&info, &overallSize, &infoSize, &totalMemory, &backtraceSize); |
| if (info) { |
| uint8_t *ptr = info; |
| size_t count = overallSize / infoSize; |
| |
| snprintf(buffer, SIZE, " Allocation count %i\n", count); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Total memory %i\n", totalMemory); |
| result.append(buffer); |
| |
| AllocEntry * entries = new AllocEntry[count]; |
| |
| for (size_t i = 0; i < count; i++) { |
| // Each entry should be size_t, size_t, intptr_t[backtraceSize] |
| AllocEntry *e = &entries[i]; |
| |
| e->size = *reinterpret_cast<size_t *>(ptr); |
| ptr += sizeof(size_t); |
| |
| e->dups = *reinterpret_cast<size_t *>(ptr); |
| ptr += sizeof(size_t); |
| |
| e->backtrace = reinterpret_cast<intptr_t *>(ptr); |
| ptr += sizeof(intptr_t) * backtraceSize; |
| } |
| |
| // Now we need to sort the entries. They come sorted by size but |
| // not by stack trace which causes problems using diff. |
| bool moved; |
| do { |
| moved = false; |
| for (size_t i = 0; i < (count - 1); i++) { |
| AllocEntry *e1 = &entries[i]; |
| AllocEntry *e2 = &entries[i+1]; |
| |
| bool swap = e1->size < e2->size; |
| if (e1->size == e2->size) { |
| for(size_t j = 0; j < backtraceSize; j++) { |
| if (e1->backtrace[j] == e2->backtrace[j]) { |
| continue; |
| } |
| swap = e1->backtrace[j] < e2->backtrace[j]; |
| break; |
| } |
| } |
| if (swap) { |
| AllocEntry t = entries[i]; |
| entries[i] = entries[i+1]; |
| entries[i+1] = t; |
| moved = true; |
| } |
| } |
| } while (moved); |
| |
| for (size_t i = 0; i < count; i++) { |
| AllocEntry *e = &entries[i]; |
| |
| snprintf(buffer, SIZE, "size %8i, dup %4i, ", e->size, e->dups); |
| result.append(buffer); |
| for (size_t ct = 0; (ct < backtraceSize) && e->backtrace[ct]; ct++) { |
| if (ct) { |
| result.append(", "); |
| } |
| snprintf(buffer, SIZE, "0x%08x", e->backtrace[ct]); |
| result.append(buffer); |
| } |
| result.append("\n"); |
| } |
| |
| delete[] entries; |
| free_malloc_leak_info(info); |
| } |
| |
| write(fd, result.string(), result.size()); |
| } |
| #endif |
| |
| status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| if (checkCallingPermission(String16("android.permission.DUMP")) == false) { |
| snprintf(buffer, SIZE, "Permission Denial: " |
| "can't dump MediaPlayerService from pid=%d, uid=%d\n", |
| IPCThreadState::self()->getCallingPid(), |
| IPCThreadState::self()->getCallingUid()); |
| result.append(buffer); |
| } else { |
| Mutex::Autolock lock(mLock); |
| for (int i = 0, n = mClients.size(); i < n; ++i) { |
| sp<Client> c = mClients[i].promote(); |
| if (c != 0) c->dump(fd, args); |
| } |
| for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { |
| result.append(" MediaRecorderClient\n"); |
| sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); |
| snprintf(buffer, 255, " pid(%d)\n\n", c->mPid); |
| result.append(buffer); |
| } |
| |
| result.append(" Files opened and/or mapped:\n"); |
| snprintf(buffer, SIZE, "/proc/%d/maps", myTid()); |
| FILE *f = fopen(buffer, "r"); |
| if (f) { |
| while (!feof(f)) { |
| fgets(buffer, SIZE, f); |
| if (strstr(buffer, " /sdcard/") || |
| strstr(buffer, " /system/sounds/") || |
| strstr(buffer, " /system/media/")) { |
| result.append(" "); |
| result.append(buffer); |
| } |
| } |
| fclose(f); |
| } else { |
| result.append("couldn't open "); |
| result.append(buffer); |
| result.append("\n"); |
| } |
| |
| snprintf(buffer, SIZE, "/proc/%d/fd", myTid()); |
| DIR *d = opendir(buffer); |
| if (d) { |
| struct dirent *ent; |
| while((ent = readdir(d)) != NULL) { |
| if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { |
| snprintf(buffer, SIZE, "/proc/%d/fd/%s", myTid(), ent->d_name); |
| struct stat s; |
| if (lstat(buffer, &s) == 0) { |
| if ((s.st_mode & S_IFMT) == S_IFLNK) { |
| char linkto[256]; |
| int len = readlink(buffer, linkto, sizeof(linkto)); |
| if(len > 0) { |
| if(len > 255) { |
| linkto[252] = '.'; |
| linkto[253] = '.'; |
| linkto[254] = '.'; |
| linkto[255] = 0; |
| } else { |
| linkto[len] = 0; |
| } |
| if (strstr(linkto, "/sdcard/") == linkto || |
| strstr(linkto, "/system/sounds/") == linkto || |
| strstr(linkto, "/system/media/") == linkto) { |
| result.append(" "); |
| result.append(buffer); |
| result.append(" -> "); |
| result.append(linkto); |
| result.append("\n"); |
| } |
| } |
| } else { |
| result.append(" unexpected type for "); |
| result.append(buffer); |
| result.append("\n"); |
| } |
| } |
| } |
| } |
| closedir(d); |
| } else { |
| result.append("couldn't open "); |
| result.append(buffer); |
| result.append("\n"); |
| } |
| |
| #if defined(__arm__) |
| bool dumpMem = false; |
| for (size_t i = 0; i < args.size(); i++) { |
| if (args[i] == String16("-m")) { |
| dumpMem = true; |
| } |
| } |
| if (dumpMem) { |
| memStatus(fd, args); |
| } |
| #endif |
| } |
| write(fd, result.string(), result.size()); |
| return NO_ERROR; |
| } |
| |
| void MediaPlayerService::removeClient(wp<Client> client) |
| { |
| Mutex::Autolock lock(mLock); |
| mClients.remove(client); |
| } |
| |
| MediaPlayerService::Client::Client(const sp<MediaPlayerService>& service, pid_t pid, |
| int32_t connId, const sp<IMediaPlayerClient>& client) |
| { |
| LOGV("Client(%d) constructor", connId); |
| mPid = pid; |
| mConnId = connId; |
| mService = service; |
| mClient = client; |
| mLoop = false; |
| mStatus = NO_INIT; |
| #if CALLBACK_ANTAGONIZER |
| LOGD("create Antagonizer"); |
| mAntagonizer = new Antagonizer(notify, this); |
| #endif |
| } |
| |
| MediaPlayerService::Client::~Client() |
| { |
| LOGV("Client(%d) destructor pid = %d", mConnId, mPid); |
| mAudioOutput.clear(); |
| wp<Client> client(this); |
| disconnect(); |
| mService->removeClient(client); |
| } |
| |
| void MediaPlayerService::Client::disconnect() |
| { |
| LOGV("disconnect(%d) from pid %d", mConnId, mPid); |
| // grab local reference and clear main reference to prevent future |
| // access to object |
| sp<MediaPlayerBase> p; |
| { |
| Mutex::Autolock l(mLock); |
| p = mPlayer; |
| } |
| mClient.clear(); |
| |
| mPlayer.clear(); |
| |
| // clear the notification to prevent callbacks to dead client |
| // and reset the player. We assume the player will serialize |
| // access to itself if necessary. |
| if (p != 0) { |
| p->setNotifyCallback(0, 0); |
| #if CALLBACK_ANTAGONIZER |
| LOGD("kill Antagonizer"); |
| mAntagonizer->kill(); |
| #endif |
| p->reset(); |
| } |
| |
| IPCThreadState::self()->flushCommands(); |
| } |
| |
| static player_type getDefaultPlayerType() { |
| #if BUILD_WITH_FULL_STAGEFRIGHT |
| char value[PROPERTY_VALUE_MAX]; |
| if (property_get("media.stagefright.enable-player", value, NULL) |
| && (!strcmp(value, "1") || !strcasecmp(value, "true"))) { |
| return STAGEFRIGHT_PLAYER; |
| } |
| #endif |
| |
| return PV_PLAYER; |
| } |
| |
| // By default we use the VORBIS_PLAYER for vorbis playback (duh!), |
| // but if the magic property is set we will use our new experimental |
| // stagefright code instead. |
| static player_type OverrideStagefrightForVorbis(player_type player) { |
| if (player != VORBIS_PLAYER) { |
| return player; |
| } |
| |
| #if BUILD_WITH_FULL_STAGEFRIGHT |
| char value[PROPERTY_VALUE_MAX]; |
| if (property_get("media.stagefright.enable-vorbis", value, NULL) |
| && (!strcmp(value, "1") || !strcmp(value, "true"))) { |
| return STAGEFRIGHT_PLAYER; |
| } |
| #endif |
| |
| return VORBIS_PLAYER; |
| } |
| |
| |
| player_type getPlayerType(int fd, int64_t offset, int64_t length) |
| { |
| char buf[20]; |
| lseek(fd, offset, SEEK_SET); |
| read(fd, buf, sizeof(buf)); |
| lseek(fd, offset, SEEK_SET); |
| |
| long ident = *((long*)buf); |
| |
| // Ogg vorbis? |
| if (ident == 0x5367674f) // 'OggS' |
| return OverrideStagefrightForVorbis(VORBIS_PLAYER); |
| |
| #ifndef NO_OPENCORE |
| if (ident == 0x75b22630) { |
| // The magic number for .asf files, i.e. wmv and wma content. |
| // These are not currently supported through stagefright. |
| return PV_PLAYER; |
| } |
| #endif |
| |
| // Some kind of MIDI? |
| EAS_DATA_HANDLE easdata; |
| if (EAS_Init(&easdata) == EAS_SUCCESS) { |
| EAS_FILE locator; |
| locator.path = NULL; |
| locator.fd = fd; |
| locator.offset = offset; |
| locator.length = length; |
| EAS_HANDLE eashandle; |
| if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { |
| EAS_CloseFile(easdata, eashandle); |
| EAS_Shutdown(easdata); |
| return SONIVOX_PLAYER; |
| } |
| EAS_Shutdown(easdata); |
| } |
| |
| return getDefaultPlayerType(); |
| } |
| |
| player_type getPlayerType(const char* url) |
| { |
| if (TestPlayerStub::canBeUsed(url)) { |
| return TEST_PLAYER; |
| } |
| |
| bool useStagefrightForHTTP = false; |
| char value[PROPERTY_VALUE_MAX]; |
| if (property_get("media.stagefright.enable-http", value, NULL) |
| && (!strcmp(value, "1") || !strcasecmp(value, "true"))) { |
| useStagefrightForHTTP = true; |
| } |
| |
| // use MidiFile for MIDI extensions |
| int lenURL = strlen(url); |
| for (int i = 0; i < NELEM(FILE_EXTS); ++i) { |
| int len = strlen(FILE_EXTS[i].extension); |
| int start = lenURL - len; |
| if (start > 0) { |
| if (!strncasecmp(url + start, FILE_EXTS[i].extension, len)) { |
| if (FILE_EXTS[i].playertype == VORBIS_PLAYER |
| && !strncasecmp(url, "http://", 7) |
| && useStagefrightForHTTP) { |
| return STAGEFRIGHT_PLAYER; |
| } |
| return OverrideStagefrightForVorbis(FILE_EXTS[i].playertype); |
| } |
| } |
| } |
| |
| if (!strncasecmp(url, "http://", 7)) { |
| if (!useStagefrightForHTTP) { |
| return PV_PLAYER; |
| } |
| } |
| |
| // Use PV_PLAYER for rtsp for now |
| if (!strncasecmp(url, "rtsp://", 7)) { |
| return PV_PLAYER; |
| } |
| |
| return getDefaultPlayerType(); |
| } |
| |
| static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, |
| notify_callback_f notifyFunc) |
| { |
| 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(); |
| break; |
| case VORBIS_PLAYER: |
| LOGV(" create VorbisPlayer"); |
| p = new VorbisPlayer(); |
| break; |
| #if BUILD_WITH_FULL_STAGEFRIGHT |
| case STAGEFRIGHT_PLAYER: |
| LOGV(" create StagefrightPlayer"); |
| p = new StagefrightPlayer; |
| break; |
| #endif |
| case TEST_PLAYER: |
| LOGV("Create Test Player stub"); |
| p = new TestPlayerStub(); |
| break; |
| } |
| if (p != NULL) { |
| if (p->initCheck() == NO_ERROR) { |
| p->setNotifyCallback(cookie, notifyFunc); |
| } else { |
| p.clear(); |
| } |
| } |
| if (p == NULL) { |
| LOGE("Failed to create player object"); |
| } |
| return p; |
| } |
| |
| sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) |
| { |
| // determine if we have the right player type |
| sp<MediaPlayerBase> p = mPlayer; |
| if ((p != NULL) && (p->playerType() != playerType)) { |
| LOGV("delete player"); |
| p.clear(); |
| } |
| if (p == NULL) { |
| p = android::createPlayer(playerType, this, notify); |
| } |
| return p; |
| } |
| |
| status_t MediaPlayerService::Client::setDataSource( |
| const char *url, const KeyedVector<String8, String8> *headers) |
| { |
| LOGV("setDataSource(%s)", url); |
| if (url == NULL) |
| return UNKNOWN_ERROR; |
| |
| if (strncmp(url, "content://", 10) == 0) { |
| // get a filedescriptor for the content Uri and |
| // pass it to the setDataSource(fd) method |
| |
| String16 url16(url); |
| int fd = android::openContentProviderFile(url16); |
| if (fd < 0) |
| { |
| LOGE("Couldn't open fd for %s", url); |
| return UNKNOWN_ERROR; |
| } |
| setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus |
| close(fd); |
| return mStatus; |
| } else { |
| player_type playerType = getPlayerType(url); |
| LOGV("player type = %d", playerType); |
| |
| // create the right type of player |
| sp<MediaPlayerBase> p = createPlayer(playerType); |
| if (p == NULL) return NO_INIT; |
| |
| if (!p->hardwareOutput()) { |
| mAudioOutput = new AudioOutput(); |
| static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); |
| } |
| |
| // now set data source |
| LOGV(" setDataSource"); |
| mStatus = p->setDataSource(url, headers); |
| if (mStatus == NO_ERROR) { |
| mPlayer = p; |
| } else { |
| LOGE(" error: %d", mStatus); |
| } |
| return mStatus; |
| } |
| } |
| |
| status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) |
| { |
| LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); |
| struct stat sb; |
| int ret = fstat(fd, &sb); |
| if (ret != 0) { |
| LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); |
| return UNKNOWN_ERROR; |
| } |
| |
| LOGV("st_dev = %llu", sb.st_dev); |
| LOGV("st_mode = %u", sb.st_mode); |
| LOGV("st_uid = %lu", sb.st_uid); |
| LOGV("st_gid = %lu", sb.st_gid); |
| LOGV("st_size = %llu", sb.st_size); |
| |
| if (offset >= sb.st_size) { |
| LOGE("offset error"); |
| ::close(fd); |
| return UNKNOWN_ERROR; |
| } |
| if (offset + length > sb.st_size) { |
| length = sb.st_size - offset; |
| LOGV("calculated length = %lld", length); |
| } |
| |
| player_type playerType = getPlayerType(fd, offset, length); |
| LOGV("player type = %d", playerType); |
| |
| // create the right type of player |
| sp<MediaPlayerBase> p = createPlayer(playerType); |
| if (p == NULL) return NO_INIT; |
| |
| if (!p->hardwareOutput()) { |
| mAudioOutput = new AudioOutput(); |
| static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); |
| } |
| |
| // now set data source |
| mStatus = p->setDataSource(fd, offset, length); |
| if (mStatus == NO_ERROR) mPlayer = p; |
| return mStatus; |
| } |
| |
| status_t MediaPlayerService::Client::setVideoSurface(const sp<ISurface>& surface) |
| { |
| LOGV("[%d] setVideoSurface(%p)", mConnId, surface.get()); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| 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; |
| media::Metadata::Filter 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) |
| { |
| sp<MediaPlayerBase> player = getPlayer(); |
| if (player == 0) return UNKNOWN_ERROR; |
| |
| status_t status; |
| // Placeholder for the return code, updated by the caller. |
| reply->writeInt32(-1); |
| |
| media::Metadata::Filter ids; |
| |
| // 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) { |
| ids = mMetadataUpdated; |
| } |
| mMetadataUpdated.clear(); |
| } |
| |
| media::Metadata metadata(reply); |
| |
| metadata.appendHeader(); |
| status = player->getMetadata(ids, reply); |
| |
| if (status != OK) { |
| metadata.resetParcel(); |
| LOGE("getMetadata failed %d", status); |
| return status; |
| } |
| |
| // FIXME: Implement filtering on the result. Not critical since |
| // filtering takes place on the update notifications already. This |
| // would be when all the metadata are fetch and a filter is set. |
| |
| // Everything is fine, update the metadata length. |
| metadata.updateLength(); |
| return OK; |
| } |
| |
| status_t MediaPlayerService::Client::suspend() { |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| |
| return p->suspend(); |
| } |
| |
| status_t MediaPlayerService::Client::resume() { |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| |
| return p->resume(); |
| } |
| |
| status_t MediaPlayerService::Client::prepareAsync() |
| { |
| LOGV("[%d] prepareAsync", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->prepareAsync(); |
| #if CALLBACK_ANTAGONIZER |
| LOGD("start Antagonizer"); |
| if (ret == NO_ERROR) mAntagonizer->start(); |
| #endif |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::start() |
| { |
| LOGV("[%d] start", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| p->setLooping(mLoop); |
| return p->start(); |
| } |
| |
| status_t MediaPlayerService::Client::stop() |
| { |
| LOGV("[%d] stop", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->stop(); |
| } |
| |
| status_t MediaPlayerService::Client::pause() |
| { |
| LOGV("[%d] pause", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->pause(); |
| } |
| |
| status_t MediaPlayerService::Client::isPlaying(bool* state) |
| { |
| *state = false; |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| *state = p->isPlaying(); |
| LOGV("[%d] isPlaying: %d", mConnId, *state); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::getCurrentPosition(int *msec) |
| { |
| LOGV("getCurrentPosition"); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->getCurrentPosition(msec); |
| if (ret == NO_ERROR) { |
| LOGV("[%d] getCurrentPosition = %d", mConnId, *msec); |
| } else { |
| LOGE("getCurrentPosition returned %d", ret); |
| } |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::getDuration(int *msec) |
| { |
| LOGV("getDuration"); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->getDuration(msec); |
| if (ret == NO_ERROR) { |
| LOGV("[%d] getDuration = %d", mConnId, *msec); |
| } else { |
| LOGE("getDuration returned %d", ret); |
| } |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::seekTo(int msec) |
| { |
| LOGV("[%d] seekTo(%d)", mConnId, msec); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->seekTo(msec); |
| } |
| |
| status_t MediaPlayerService::Client::reset() |
| { |
| LOGV("[%d] reset", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->reset(); |
| } |
| |
| status_t MediaPlayerService::Client::setAudioStreamType(int type) |
| { |
| LOGV("[%d] setAudioStreamType(%d)", mConnId, type); |
| // TODO: for hardware output, call player instead |
| Mutex::Autolock l(mLock); |
| if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setLooping(int loop) |
| { |
| LOGV("[%d] setLooping(%d)", mConnId, loop); |
| mLoop = loop; |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p != 0) return p->setLooping(loop); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) |
| { |
| LOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); |
| // TODO: for hardware output, call player instead |
| Mutex::Autolock l(mLock); |
| if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); |
| 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 media::Metadata::Type 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(media::Metadata::Type 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(media::Metadata::Type 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 |
| |
| Antagonizer::Antagonizer(notify_callback_f cb, void* client) : |
| mExit(false), mActive(false), mClient(client), mCb(cb) |
| { |
| createThread(callbackThread, this); |
| } |
| |
| void Antagonizer::kill() |
| { |
| Mutex::Autolock _l(mLock); |
| mActive = false; |
| mExit = true; |
| mCondition.wait(mLock); |
| } |
| |
| int Antagonizer::callbackThread(void* user) |
| { |
| LOGD("Antagonizer started"); |
| Antagonizer* p = reinterpret_cast<Antagonizer*>(user); |
| while (!p->mExit) { |
| if (p->mActive) { |
| LOGV("send event"); |
| p->mCb(p->mClient, 0, 0, 0); |
| } |
| usleep(interval); |
| } |
| Mutex::Autolock _l(p->mLock); |
| p->mCondition.signal(); |
| LOGD("Antagonizer stopped"); |
| return 0; |
| } |
| #endif |
| |
| static size_t kDefaultHeapSize = 1024 * 1024; // 1MB |
| |
| sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) |
| { |
| LOGV("decode(%s)", url); |
| sp<MemoryBase> mem; |
| sp<MediaPlayerBase> player; |
| |
| // Protect our precious, precious DRMd ringtones by only allowing |
| // decoding of http, but not filesystem paths or content Uris. |
| // If the application wants to decode those, it should open a |
| // filedescriptor for them and use that. |
| if (url != NULL && strncmp(url, "http://", 7) != 0) { |
| LOGD("Can't decode %s by path, use filedescriptor instead", url); |
| return mem; |
| } |
| |
| player_type playerType = getPlayerType(url); |
| LOGV("player type = %d", playerType); |
| |
| // create the right type of player |
| sp<AudioCache> cache = new AudioCache(url); |
| player = android::createPlayer(playerType, cache.get(), cache->notify); |
| if (player == NULL) goto Exit; |
| if (player->hardwareOutput()) goto Exit; |
| |
| static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); |
| |
| // set data source |
| if (player->setDataSource(url) != NO_ERROR) goto Exit; |
| |
| LOGV("prepare"); |
| player->prepareAsync(); |
| |
| LOGV("wait for prepare"); |
| if (cache->wait() != NO_ERROR) goto Exit; |
| |
| LOGV("start"); |
| player->start(); |
| |
| LOGV("wait for playback complete"); |
| if (cache->wait() != NO_ERROR) goto Exit; |
| |
| mem = new MemoryBase(cache->getHeap(), 0, cache->size()); |
| *pSampleRate = cache->sampleRate(); |
| *pNumChannels = cache->channelCount(); |
| *pFormat = cache->format(); |
| LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); |
| |
| Exit: |
| if (player != 0) player->reset(); |
| return mem; |
| } |
| |
| sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) |
| { |
| LOGV("decode(%d, %lld, %lld)", fd, offset, length); |
| sp<MemoryBase> mem; |
| sp<MediaPlayerBase> player; |
| |
| player_type playerType = getPlayerType(fd, offset, length); |
| LOGV("player type = %d", playerType); |
| |
| // create the right type of player |
| sp<AudioCache> cache = new AudioCache("decode_fd"); |
| player = android::createPlayer(playerType, cache.get(), cache->notify); |
| if (player == NULL) goto Exit; |
| if (player->hardwareOutput()) goto Exit; |
| |
| static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); |
| |
| // set data source |
| if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; |
| |
| LOGV("prepare"); |
| player->prepareAsync(); |
| |
| LOGV("wait for prepare"); |
| if (cache->wait() != NO_ERROR) goto Exit; |
| |
| LOGV("start"); |
| player->start(); |
| |
| LOGV("wait for playback complete"); |
| if (cache->wait() != NO_ERROR) goto Exit; |
| |
| mem = new MemoryBase(cache->getHeap(), 0, cache->size()); |
| *pSampleRate = cache->sampleRate(); |
| *pNumChannels = cache->channelCount(); |
| *pFormat = cache->format(); |
| LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); |
| |
| Exit: |
| if (player != 0) player->reset(); |
| ::close(fd); |
| return mem; |
| } |
| |
| /* |
| * Avert your eyes, ugly hack ahead. |
| * The following is to support music visualizations. |
| */ |
| |
| static const int NUMVIZBUF = 32; |
| static const int VIZBUFFRAMES = 1024; |
| static const int BUFTIMEMSEC = NUMVIZBUF * VIZBUFFRAMES * 1000 / 44100; |
| static const int TOTALBUFTIMEMSEC = NUMVIZBUF * BUFTIMEMSEC; |
| |
| static bool gotMem = false; |
| static sp<MemoryHeapBase> heap; |
| static sp<MemoryBase> mem[NUMVIZBUF]; |
| static uint64_t endTime; |
| static uint64_t lastReadTime; |
| static uint64_t lastWriteTime; |
| static int writeIdx = 0; |
| |
| static void allocVizBufs() { |
| if (!gotMem) { |
| heap = new MemoryHeapBase(NUMVIZBUF * VIZBUFFRAMES * 2, 0, "snooper"); |
| for (int i=0;i<NUMVIZBUF;i++) { |
| mem[i] = new MemoryBase(heap, VIZBUFFRAMES * 2 * i, VIZBUFFRAMES * 2); |
| } |
| endTime = 0; |
| gotMem = true; |
| } |
| } |
| |
| |
| /* |
| * Get a buffer of audio data that is about to be played. |
| * We don't synchronize this because in practice the writer |
| * is ahead of the reader, and even if we did happen to catch |
| * a buffer while it's being written, it's just a visualization, |
| * so no harm done. |
| */ |
| static sp<MemoryBase> getVizBuffer() { |
| |
| allocVizBufs(); |
| |
| lastReadTime = uptimeMillis(); |
| |
| // if there is no recent buffer (yet), just return empty handed |
| if (lastWriteTime + TOTALBUFTIMEMSEC < lastReadTime) { |
| //LOGI("@@@@ no audio data to look at yet: %d + %d < %d", (int)lastWriteTime, TOTALBUFTIMEMSEC, (int)lastReadTime); |
| return NULL; |
| } |
| |
| int timedelta = endTime - lastReadTime; |
| if (timedelta < 0) timedelta = 0; |
| int framedelta = timedelta * 44100 / 1000; |
| int headIdx = (writeIdx - framedelta) / VIZBUFFRAMES - 1; |
| while (headIdx < 0) { |
| headIdx += NUMVIZBUF; |
| } |
| return mem[headIdx]; |
| } |
| |
| // Append the data to the vizualization buffer |
| static void makeVizBuffers(const char *data, int len, uint64_t time) { |
| |
| allocVizBufs(); |
| |
| uint64_t startTime = time; |
| const int frameSize = 4; // 16 bit stereo sample is 4 bytes |
| int offset = writeIdx; |
| int maxoff = heap->getSize() / 2; // in shorts |
| short *base = (short*)heap->getBase(); |
| short *src = (short*)data; |
| while (len > 0) { |
| |
| // Degrade quality by mixing to mono and clearing the lowest 3 bits. |
| // This should still be good enough for a visualization |
| base[offset++] = ((int(src[0]) + int(src[1])) >> 1) & ~0x7; |
| src += 2; |
| len -= frameSize; |
| if (offset >= maxoff) { |
| offset = 0; |
| } |
| } |
| writeIdx = offset; |
| endTime = time + (len / frameSize) / 44; |
| //LOGI("@@@ stored buffers from %d to %d", uint32_t(startTime), uint32_t(time)); |
| } |
| |
| sp<IMemory> MediaPlayerService::snoop() |
| { |
| sp<MemoryBase> mem = getVizBuffer(); |
| return mem; |
| } |
| |
| |
| #undef LOG_TAG |
| #define LOG_TAG "AudioSink" |
| MediaPlayerService::AudioOutput::AudioOutput() |
| : mCallback(NULL), |
| mCallbackCookie(NULL) { |
| mTrack = 0; |
| mStreamType = AudioSystem::MUSIC; |
| mLeftVolume = 1.0; |
| mRightVolume = 1.0; |
| mLatency = 0; |
| mMsecsPerFrame = 0; |
| mNumFramesWritten = 0; |
| setMinBufferCount(); |
| } |
| |
| MediaPlayerService::AudioOutput::~AudioOutput() |
| { |
| close(); |
| } |
| |
| void MediaPlayerService::AudioOutput::setMinBufferCount() |
| { |
| char value[PROPERTY_VALUE_MAX]; |
| if (property_get("ro.kernel.qemu", value, 0)) { |
| mIsOnEmulator = true; |
| mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator |
| } |
| } |
| |
| bool MediaPlayerService::AudioOutput::isOnEmulator() |
| { |
| setMinBufferCount(); |
| return mIsOnEmulator; |
| } |
| |
| int MediaPlayerService::AudioOutput::getMinBufferCount() |
| { |
| setMinBufferCount(); |
| return mMinBufferCount; |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::bufferSize() const |
| { |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->frameCount() * frameSize(); |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::frameCount() const |
| { |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->frameCount(); |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::channelCount() const |
| { |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->channelCount(); |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::frameSize() const |
| { |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->frameSize(); |
| } |
| |
| uint32_t MediaPlayerService::AudioOutput::latency () const |
| { |
| return mLatency; |
| } |
| |
| float MediaPlayerService::AudioOutput::msecsPerFrame() const |
| { |
| return mMsecsPerFrame; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) |
| { |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->getPosition(position); |
| } |
| |
| status_t MediaPlayerService::AudioOutput::open( |
| uint32_t sampleRate, int channelCount, int format, int bufferCount, |
| AudioCallback cb, void *cookie) |
| { |
| mCallback = cb; |
| mCallbackCookie = cookie; |
| |
| // Check argument "bufferCount" against the mininum buffer count |
| if (bufferCount < mMinBufferCount) { |
| LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); |
| bufferCount = mMinBufferCount; |
| |
| } |
| LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); |
| if (mTrack) close(); |
| int afSampleRate; |
| int afFrameCount; |
| int frameCount; |
| |
| if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { |
| return NO_INIT; |
| } |
| if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { |
| return NO_INIT; |
| } |
| |
| frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; |
| |
| AudioTrack *t; |
| if (mCallback != NULL) { |
| t = new AudioTrack( |
| mStreamType, |
| sampleRate, |
| format, |
| (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, |
| frameCount, |
| 0 /* flags */, |
| CallbackWrapper, |
| this); |
| } else { |
| t = new AudioTrack( |
| mStreamType, |
| sampleRate, |
| format, |
| (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, |
| frameCount); |
| } |
| |
| if ((t == 0) || (t->initCheck() != NO_ERROR)) { |
| LOGE("Unable to create audio track"); |
| delete t; |
| return NO_INIT; |
| } |
| |
| LOGV("setVolume"); |
| t->setVolume(mLeftVolume, mRightVolume); |
| mMsecsPerFrame = 1.e3 / (float) sampleRate; |
| mLatency = t->latency(); |
| mTrack = t; |
| return NO_ERROR; |
| } |
| |
| void MediaPlayerService::AudioOutput::start() |
| { |
| LOGV("start"); |
| if (mTrack) { |
| mTrack->setVolume(mLeftVolume, mRightVolume); |
| mTrack->start(); |
| mTrack->getPosition(&mNumFramesWritten); |
| } |
| } |
| |
| void MediaPlayerService::AudioOutput::snoopWrite(const void* buffer, size_t size) { |
| // Only make visualization buffers if anyone recently requested visualization data |
| uint64_t now = uptimeMillis(); |
| if (lastReadTime + TOTALBUFTIMEMSEC >= now) { |
| // Based on the current play counter, the number of frames written and |
| // the current real time we can calculate the approximate real start |
| // time of the buffer we're about to write. |
| uint32_t pos; |
| mTrack->getPosition(&pos); |
| |
| // we're writing ahead by this many frames: |
| int ahead = mNumFramesWritten - pos; |
| //LOGI("@@@ written: %d, playpos: %d, latency: %d", mNumFramesWritten, pos, mTrack->latency()); |
| // which is this many milliseconds, assuming 44100 Hz: |
| ahead /= 44; |
| |
| makeVizBuffers((const char*)buffer, size, now + ahead + mTrack->latency()); |
| lastWriteTime = now; |
| } |
| } |
| |
| |
| ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) |
| { |
| LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); |
| |
| //LOGV("write(%p, %u)", buffer, size); |
| if (mTrack) { |
| snoopWrite(buffer, size); |
| ssize_t ret = mTrack->write(buffer, size); |
| mNumFramesWritten += ret / 4; // assume 16 bit stereo |
| return ret; |
| } |
| return NO_INIT; |
| } |
| |
| void MediaPlayerService::AudioOutput::stop() |
| { |
| LOGV("stop"); |
| if (mTrack) mTrack->stop(); |
| lastWriteTime = 0; |
| } |
| |
| void MediaPlayerService::AudioOutput::flush() |
| { |
| LOGV("flush"); |
| if (mTrack) mTrack->flush(); |
| } |
| |
| void MediaPlayerService::AudioOutput::pause() |
| { |
| LOGV("pause"); |
| if (mTrack) mTrack->pause(); |
| lastWriteTime = 0; |
| } |
| |
| void MediaPlayerService::AudioOutput::close() |
| { |
| LOGV("close"); |
| delete mTrack; |
| mTrack = 0; |
| } |
| |
| void MediaPlayerService::AudioOutput::setVolume(float left, float right) |
| { |
| LOGV("setVolume(%f, %f)", left, right); |
| mLeftVolume = left; |
| mRightVolume = right; |
| if (mTrack) { |
| mTrack->setVolume(left, right); |
| } |
| } |
| |
| // static |
| void MediaPlayerService::AudioOutput::CallbackWrapper( |
| int event, void *cookie, void *info) { |
| //LOGV("callbackwrapper"); |
| if (event != AudioTrack::EVENT_MORE_DATA) { |
| return; |
| } |
| |
| AudioOutput *me = (AudioOutput *)cookie; |
| AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; |
| |
| size_t actualSize = (*me->mCallback)( |
| me, buffer->raw, buffer->size, me->mCallbackCookie); |
| |
| buffer->size = actualSize; |
| |
| if (actualSize > 0) { |
| me->snoopWrite(buffer->raw, actualSize); |
| } |
| } |
| |
| #undef LOG_TAG |
| #define LOG_TAG "AudioCache" |
| MediaPlayerService::AudioCache::AudioCache(const char* name) : |
| mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), |
| mError(NO_ERROR), mCommandComplete(false) |
| { |
| // create ashmem heap |
| mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); |
| } |
| |
| uint32_t MediaPlayerService::AudioCache::latency () const |
| { |
| return 0; |
| } |
| |
| float MediaPlayerService::AudioCache::msecsPerFrame() const |
| { |
| return mMsecsPerFrame; |
| } |
| |
| status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) |
| { |
| if (position == 0) return BAD_VALUE; |
| *position = mSize; |
| return NO_ERROR; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| struct CallbackThread : public Thread { |
| CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, |
| MediaPlayerBase::AudioSink::AudioCallback cb, |
| void *cookie); |
| |
| protected: |
| virtual ~CallbackThread(); |
| |
| virtual bool threadLoop(); |
| |
| private: |
| wp<MediaPlayerBase::AudioSink> mSink; |
| MediaPlayerBase::AudioSink::AudioCallback mCallback; |
| void *mCookie; |
| void *mBuffer; |
| size_t mBufferSize; |
| |
| CallbackThread(const CallbackThread &); |
| CallbackThread &operator=(const CallbackThread &); |
| }; |
| |
| CallbackThread::CallbackThread( |
| const wp<MediaPlayerBase::AudioSink> &sink, |
| MediaPlayerBase::AudioSink::AudioCallback cb, |
| void *cookie) |
| : mSink(sink), |
| mCallback(cb), |
| mCookie(cookie), |
| mBuffer(NULL), |
| mBufferSize(0) { |
| } |
| |
| CallbackThread::~CallbackThread() { |
| if (mBuffer) { |
| free(mBuffer); |
| mBuffer = NULL; |
| } |
| } |
| |
| bool CallbackThread::threadLoop() { |
| sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); |
| if (sink == NULL) { |
| return false; |
| } |
| |
| if (mBuffer == NULL) { |
| mBufferSize = sink->bufferSize(); |
| mBuffer = malloc(mBufferSize); |
| } |
| |
| size_t actualSize = |
| (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie); |
| |
| if (actualSize > 0) { |
| sink->write(mBuffer, actualSize); |
| } |
| |
| return true; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| status_t MediaPlayerService::AudioCache::open( |
| uint32_t sampleRate, int channelCount, int format, int bufferCount, |
| AudioCallback cb, void *cookie) |
| { |
| LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); |
| if (mHeap->getHeapID() < 0) { |
| return NO_INIT; |
| } |
| |
| mSampleRate = sampleRate; |
| mChannelCount = (uint16_t)channelCount; |
| mFormat = (uint16_t)format; |
| mMsecsPerFrame = 1.e3 / (float) sampleRate; |
| |
| if (cb != NULL) { |
| mCallbackThread = new CallbackThread(this, cb, cookie); |
| } |
| return NO_ERROR; |
| } |
| |
| void MediaPlayerService::AudioCache::start() { |
| if (mCallbackThread != NULL) { |
| mCallbackThread->run("AudioCache callback"); |
| } |
| } |
| |
| void MediaPlayerService::AudioCache::stop() { |
| if (mCallbackThread != NULL) { |
| mCallbackThread->requestExitAndWait(); |
| } |
| } |
| |
| ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) |
| { |
| LOGV("write(%p, %u)", buffer, size); |
| if ((buffer == 0) || (size == 0)) return size; |
| |
| uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); |
| if (p == NULL) return NO_INIT; |
| p += mSize; |
| LOGV("memcpy(%p, %p, %u)", p, buffer, size); |
| if (mSize + size > mHeap->getSize()) { |
| LOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); |
| size = mHeap->getSize() - mSize; |
| } |
| memcpy(p, buffer, size); |
| mSize += size; |
| return size; |
| } |
| |
| // call with lock held |
| status_t MediaPlayerService::AudioCache::wait() |
| { |
| Mutex::Autolock lock(mLock); |
| while (!mCommandComplete) { |
| mSignal.wait(mLock); |
| } |
| mCommandComplete = false; |
| |
| if (mError == NO_ERROR) { |
| LOGV("wait - success"); |
| } else { |
| LOGV("wait - error"); |
| } |
| return mError; |
| } |
| |
| void MediaPlayerService::AudioCache::notify(void* cookie, int msg, int ext1, int ext2) |
| { |
| LOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); |
| AudioCache* p = static_cast<AudioCache*>(cookie); |
| |
| // ignore buffering messages |
| switch (msg) |
| { |
| case MEDIA_ERROR: |
| LOGE("Error %d, %d occurred", ext1, ext2); |
| p->mError = ext1; |
| break; |
| case MEDIA_PREPARED: |
| LOGV("prepared"); |
| break; |
| case MEDIA_PLAYBACK_COMPLETE: |
| LOGV("playback complete"); |
| break; |
| default: |
| LOGV("ignored"); |
| return; |
| } |
| |
| // wake up thread |
| Mutex::Autolock lock(p->mLock); |
| p->mCommandComplete = true; |
| p->mSignal.signal(); |
| } |
| |
| } // namespace android |