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Diffstat (limited to 'media/libmediaplayerservice/MediaPlayerService.cpp')
| -rw-r--r-- | media/libmediaplayerservice/MediaPlayerService.cpp | 1173 |
1 files changed, 1173 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp new file mode 100644 index 0000000..40705c6 --- /dev/null +++ b/media/libmediaplayerservice/MediaPlayerService.cpp @@ -0,0 +1,1173 @@ +/* +** +** 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 <android_runtime/ActivityManager.h> +#include <utils/IPCThreadState.h> +#include <utils/IServiceManager.h> +#include <utils/MemoryHeapBase.h> +#include <utils/MemoryBase.h> +#include <cutils/properties.h> + +#include <media/MediaPlayerInterface.h> +#include <media/mediarecorder.h> +#include <media/MediaMetadataRetrieverInterface.h> +#include <media/AudioTrack.h> + +#include "MediaRecorderClient.h" +#include "MediaPlayerService.h" +#include "MetadataRetrieverClient.h" + +#include "MidiFile.h" +#include "VorbisPlayer.h" +#include <media/PVPlayer.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 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}, +}; + +// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround +/* static */ const uint32_t MediaPlayerService::AudioOutput::kAudioVideoDelayMs = 96; +/* 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) +{ + sp<MediaRecorderClient> recorder = new MediaRecorderClient(pid); + LOGV("Create new media recorder client from pid %d", pid); + return recorder; +} + +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) +{ + 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)) + { + 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; +} + +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); + +void memStatus(int fd, const Vector<String16>& args) +{ + const size_t SIZE = 256; + char buffer[SIZE]; + String8 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); + + 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); + } + 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; + } + 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 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 VORBIS_PLAYER; + + // 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); + } + + // Fall through to PV + return PV_PLAYER; +} + +static player_type getPlayerType(const char* url) +{ + + // 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 (!strncmp(url + start, FILE_EXTS[i].extension, len)) { + return FILE_EXTS[i].playertype; + } + } + } + + // Fall through to PV + return PV_PLAYER; +} + +static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, + notify_callback_f notifyFunc) +{ + sp<MediaPlayerBase> p; + switch (playerType) { + case PV_PLAYER: + LOGV(" create PVPlayer"); + p = new PVPlayer(); + break; + case SONIVOX_PLAYER: + LOGV(" create MidiFile"); + p = new MidiFile(); + break; + case VORBIS_PLAYER: + LOGV(" create VorbisPlayer"); + p = new VorbisPlayer(); + 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) +{ + 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); + if (mStatus == NO_ERROR) mPlayer = p; + 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::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); + LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); + client->mClient->notify(msg, ext1, ext2); +} + +#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; +} + +#undef LOG_TAG +#define LOG_TAG "AudioSink" +MediaPlayerService::AudioOutput::AudioOutput() +{ + mTrack = 0; + mStreamType = AudioSystem::MUSIC; + mLeftVolume = 1.0; + mRightVolume = 1.0; + mLatency = 0; + mMsecsPerFrame = 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::open(uint32_t sampleRate, int channelCount, int format, int bufferCount) +{ + // 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 = new AudioTrack(mStreamType, sampleRate, format, channelCount, 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() + kAudioVideoDelayMs; + mTrack = t; + return NO_ERROR; +} + +void MediaPlayerService::AudioOutput::start() +{ + LOGV("start"); + if (mTrack) { + mTrack->setVolume(mLeftVolume, mRightVolume); + mTrack->start(); + } +} + +ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) +{ + //LOGV("write(%p, %u)", buffer, size); + if (mTrack) return mTrack->write(buffer, size); + return NO_INIT; +} + +void MediaPlayerService::AudioOutput::stop() +{ + LOGV("stop"); + if (mTrack) mTrack->stop(); +} + +void MediaPlayerService::AudioOutput::flush() +{ + LOGV("flush"); + if (mTrack) mTrack->flush(); +} + +void MediaPlayerService::AudioOutput::pause() +{ + LOGV("pause"); + if (mTrack) mTrack->pause(); +} + +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); + } +} + +#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::open(uint32_t sampleRate, int channelCount, int format, int bufferCount) +{ + 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; + return NO_ERROR; +} + +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); + if (!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 + if (msg == MEDIA_BUFFERING_UPDATE) return; + + // set error condition + if (msg == MEDIA_ERROR) { + LOGE("Error %d, %d occurred", ext1, ext2); + p->mError = ext1; + } + + // wake up thread + LOGV("wakeup thread"); + p->mCommandComplete = true; + p->mSignal.signal(); +} + +}; // namespace android |