bool DisplayHardwareBase::DisplayEventThread::threadLoop()
{
int err = 0;
char buf;
int fd;
fd = open(kSleepFileName, O_RDONLY, 0);
do {
err = read(fd, &buf, 1);
} while (err < 0 && errno == EINTR);
close(fd);
LOGW_IF(err<0, "ANDROID_WAIT_FOR_FB_SLEEP failed (%s)", strerror(errno));
if (err >= 0) {
sp<SurfaceFlinger> flinger = mFlinger.promote();
LOGD("About to give-up screen, flinger = %p", flinger.get());
if (flinger != 0) {
mBarrier.close();
flinger->screenReleased(0);
mBarrier.wait();
}
}
fd = open(kWakeFileName, O_RDONLY, 0);
do {
err = read(fd, &buf, 1);
} while (err < 0 && errno == EINTR);
close(fd);
LOGW_IF(err<0, "ANDROID_WAIT_FOR_FB_WAKE failed (%s)", strerror(errno));
if (err >= 0) {
sp<SurfaceFlinger> flinger = mFlinger.promote();
LOGD("Screen about to return, flinger = %p", flinger.get());
if (flinger != 0)
flinger->screenAcquired(0);
}
return true;
}
void GameModeManager::LoadHerissonTexture(int type) {
LOGW_IF(type > 8, "type > 8");
LOGW_IF(type < 1, "type < 1");
type = (type > 8 ? 8 : (type < 1 ? 1 : type));
char tmp[32];
snprintf(tmp, 32, "herisson_%d", type);
ANIMATION(herisson)->name = Murmur::RuntimeHash(tmp);
}
status_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
int usage, buffer_handle_t* handle, int32_t* stride)
{
// make sure to not allocate a N x 0 or 0 x N buffer, since this is
// allowed from an API stand-point allocate a 1x1 buffer instead.
if (!w || !h)
w = h = 1;
// we have a h/w allocator and h/w buffer is requested
status_t err;
if (usage & GRALLOC_USAGE_HW_MASK) {
err = mAllocDev->alloc(mAllocDev, w, h, format, usage, handle, stride);
} else {
err = sw_gralloc_handle_t::alloc(w, h, format, usage, handle, stride);
}
LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
w, h, format, usage, err, strerror(-err));
if (err == NO_ERROR) {
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
alloc_rec_t rec;
rec.w = w;
rec.h = h;
rec.s = *stride;
rec.format = format;
rec.usage = usage;
rec.size = h * stride[0] * bytesPerPixel(format);
list.add(*handle, rec);
}
return err;
}
status_t AudioRecord::obtainBuffer(Buffer* audioBuffer, bool blocking)
{
int active;
int timeout = 0;
status_t result;
audio_track_cblk_t* cblk = mCblk;
uint32_t framesReq = audioBuffer->frameCount;
audioBuffer->frameCount = 0;
audioBuffer->size = 0;
uint32_t framesReady = cblk->framesReady();
if (framesReady == 0) {
Mutex::Autolock _l(cblk->lock);
goto start_loop_here;
while (framesReady == 0) {
active = mActive;
if (UNLIKELY(!active))
return NO_MORE_BUFFERS;
if (UNLIKELY(!blocking))
return WOULD_BLOCK;
timeout = 0;
result = cblk->cv.waitRelative(cblk->lock, seconds(1));
if (__builtin_expect(result!=NO_ERROR, false)) {
LOGW( "obtainBuffer timed out (is the CPU pegged?) "
"user=%08x, server=%08x", cblk->user, cblk->server);
timeout = 1;
}
// read the server count again
start_loop_here:
framesReady = cblk->framesReady();
}
}
LOGW_IF(timeout,
"*** SERIOUS WARNING *** obtainBuffer() timed out "
"but didn't need to be locked. We recovered, but "
"this shouldn't happen (user=%08x, server=%08x)", cblk->user, cblk->server);
if (framesReq > framesReady) {
framesReq = framesReady;
}
uint32_t u = cblk->user;
uint32_t bufferEnd = cblk->userBase + cblk->frameCount;
if (u + framesReady > bufferEnd) {
framesReq = bufferEnd - u;
}
audioBuffer->flags = 0;
audioBuffer->channelCount= mChannelCount;
audioBuffer->format = mFormat;
audioBuffer->frameCount = framesReq;
audioBuffer->size = framesReq*mChannelCount*sizeof(int16_t);
audioBuffer->raw = (int8_t*)cblk->buffer(u);
active = mActive;
return active ? status_t(NO_ERROR) : status_t(STOPPED);
}
static jboolean
Emulator_initialize(JNIEnv *env, jobject self, jstring jdir, jstring jlib)
{
static EngineCallbacks cbs;
const char *dir = env->GetStringUTFChars(jdir, NULL);
const char *lib = env->GetStringUTFChars(jlib, NULL);
jboolean rv = JNI_FALSE;
engine = loadEmuEngine(dir, lib);
if (engine == NULL || !engine->initialize(&cbs)) {
LOGE("Cannot load emulator engine");
goto bail;
}
audioPlayer = loadAudioPlayer(dir);
LOGW_IF(audioPlayer == NULL, "Cannot initialize sound module");
ticksInitialize();
emuState = EMUSTATE_PAUSED;
renderSurface = NULL;
currentGame = NULL;
resumeRequested = false;
autoFrameSkip = true;
maxFrameSkips = 2;
soundEnabled = false;
rv = JNI_TRUE;
bail:
env->ReleaseStringUTFChars(jdir, dir);
env->ReleaseStringUTFChars(jlib, lib);
return rv;
}
int getMaxFiles()
{
const std::string files = getEnv("LOG_MAXFILES");
LOGD_IF(!files.empty()) << "ENV.LOG_MAXFILES:" << files;
LOGW_IF(files.empty()) << "ENV.LOG_MAXFILES:" << "NULL";
return files.empty() ? 0 : std::atoi(files.c_str());
}
size_t getMaxFileSize()
{
const std::string size = getEnv("LOG_MAXFILESIZE");
LOGD_IF(!size.empty()) << "ENV.LOG_MAXFILESIZE:" << size;
LOGW_IF(size.empty()) << "ENV.LOG_MAXFILESIZE:" << "NULL";
return size.empty() ? 0 : std::atoi(size.c_str());
}
SoundPool::SoundPool(jobject soundPoolRef, int maxChannels, int streamType, int srcQuality)
{
LOGV("SoundPool constructor: maxChannels=%d, streamType=%d, srcQuality=%d",
maxChannels, streamType, srcQuality);
// check limits
mMaxChannels = maxChannels;
if (mMaxChannels < 1) {
mMaxChannels = 1;
}
else if (mMaxChannels > 32) {
mMaxChannels = 32;
}
LOGW_IF(maxChannels != mMaxChannels, "App requested %d channels", maxChannels);
mQuit = false;
mSoundPoolRef = soundPoolRef;
mDecodeThread = 0;
mStreamType = streamType;
mSrcQuality = srcQuality;
mAllocated = 0;
mNextSampleID = 0;
mNextChannelID = 0;
mChannelPool = new SoundChannel[mMaxChannels];
for (int i = 0; i < mMaxChannels; ++i) {
mChannelPool[i].init(this);
mChannels.push_back(&mChannelPool[i]);
}
// start decode thread
startThreads();
}
status_t GraphicBufferMapper::lock(buffer_handle_t handle,
int usage, const Rect& bounds, void** vaddr)
{
status_t err;
#ifdef MISSING_GRALLOC_BUFFERS
int tries=5;
#endif
err = mAllocMod->lock(mAllocMod, handle, usage,
bounds.left, bounds.top, bounds.width(), bounds.height(),
vaddr);
#ifdef MISSING_GRALLOC_BUFFERS
while (err && tries) {
usleep(1000);
err = mAllocMod->unlock(mAllocMod, handle);
err = mAllocMod->lock(mAllocMod, handle, usage,
bounds.left, bounds.top, bounds.width(), bounds.height(),
vaddr);
tries--;
}
#endif
LOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err));
return err;
}
plog::Severity getLevel()
{
const std::string level = getEnv("LOG_LEVEL");
LOGD_IF(!level.empty()) << "ENV.LOG_LEVEL:" << level
<< ":" << plog::severityFromString(level.c_str());
LOGW_IF(level.empty()) << "ENV.LOG_LEVEL:" << "NULL";
return level.empty() ? plog::debug : plog::severityFromString(level.c_str());
}
status_t GraphicBufferMapper::unlock(buffer_handle_t handle)
{
status_t err;
err = mAllocMod->unlock(mAllocMod, handle);
LOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err));
return err;
}
status_t GraphicBufferMapper::getphys(buffer_handle_t handle, void** paddr)
{
status_t err;
err = mAllocMod->getphys(mAllocMod, handle, paddr);
LOGW_IF(err, "getphys(%p) fail %d(%s)",
handle, err, strerror(-err));
return err;
}
status_t GraphicBufferMapper::unregisterBuffer(buffer_handle_t handle)
{
status_t err;
err = mAllocMod->unregisterBuffer(mAllocMod, handle);
LOGW_IF(err, "unregisterBuffer(%p) failed %d (%s)",
handle, err, strerror(-err));
return err;
}
// must be called with mLock and cblk.lock held. Callers must also hold strong references on
// the IAudioRecord and IMemory in case they are recreated here.
// If the IAudioRecord is successfully restored, the cblk pointer is updated
status_t AudioRecord::restoreRecord_l(audio_track_cblk_t*& cblk)
{
status_t result;
if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) {
LOGW("dead IAudioRecord, creating a new one");
// signal old cblk condition so that other threads waiting for available buffers stop
// waiting now
cblk->cv.broadcast();
cblk->lock.unlock();
// if the new IAudioRecord is created, openRecord_l() will modify the
// following member variables: mAudioRecord, mCblkMemory and mCblk.
// It will also delete the strong references on previous IAudioRecord and IMemory
result = openRecord_l(cblk->sampleRate, mFormat, mChannelMask,
mFrameCount, mFlags, getInput_l());
if (result == NO_ERROR) {
result = mAudioRecord->start();
}
if (result != NO_ERROR) {
mActive = false;
}
// signal old cblk condition for other threads waiting for restore completion
android_atomic_or(CBLK_RESTORED_ON, &cblk->flags);
cblk->cv.broadcast();
} else {
if (!(cblk->flags & CBLK_RESTORED_MSK)) {
LOGW("dead IAudioRecord, waiting for a new one to be created");
mLock.unlock();
result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS));
cblk->lock.unlock();
mLock.lock();
} else {
LOGW("dead IAudioRecord, already restored");
result = NO_ERROR;
cblk->lock.unlock();
}
if (result != NO_ERROR || mActive == 0) {
result = status_t(STOPPED);
}
}
LOGV("restoreRecord_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x",
result, mActive, mCblk, cblk, mCblk->flags, cblk->flags);
if (result == NO_ERROR) {
// from now on we switch to the newly created cblk
cblk = mCblk;
}
cblk->lock.lock();
LOGW_IF(result != NO_ERROR, "restoreRecord_l() error %d", result);
return result;
}
void SurfaceTexture::freeAllBuffersLocked() {
LOGW_IF(!mQueue.isEmpty(),
"freeAllBuffersLocked called but mQueue is not empty");
mCurrentTexture = INVALID_BUFFER_SLOT;
for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
freeBufferLocked(i);
}
#ifdef QCOM_HARDWARE
mGraphicBufferAlloc->freeAllGraphicBuffersExcept(-1);
#endif
}
bool DisplayHardwareBase::DisplayEventThread::threadLoop()
{
int err = 0;
char buf;
int fd;
fd = open(kSleepFileName, O_RDONLY, 0);
if (fd == -1 && errno == ENOENT) {
usleep(166667); // Sleep to avoid 100% CPU usage.
return true; // End silently if FB_EARLYSUSPEND appears to be missing, as on kernels >= 3.3
}
do {
err = read(fd, &buf, 1);
} while (err < 0 && errno == EINTR);
close(fd);
LOGW_IF(err<0, "ANDROID_WAIT_FOR_FB_SLEEP failed (%s)", strerror(errno));
if (err >= 0) {
sp<SurfaceFlinger> flinger = mFlinger.promote();
LOGD("About to give-up screen, flinger = %p", flinger.get());
if (flinger != 0) {
mBarrier.close();
flinger->screenReleased(0);
mBarrier.wait();
}
}
fd = open(kWakeFileName, O_RDONLY, 0);
do {
err = read(fd, &buf, 1);
} while (err < 0 && errno == EINTR);
close(fd);
LOGW_IF(err<0, "ANDROID_WAIT_FOR_FB_WAKE failed (%s)", strerror(errno));
if (err >= 0) {
sp<SurfaceFlinger> flinger = mFlinger.promote();
LOGD("Screen about to return, flinger = %p", flinger.get());
if (flinger != 0)
flinger->screenAcquired(0);
}
return true;
}
status_t GraphicBufferAllocator::free(buffer_handle_t handle)
{
status_t err;
err = mAllocDev->free(mAllocDev, handle);
LOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err));
if (err == NO_ERROR) {
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
list.removeItem(handle);
}
return err;
}
status_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
int usage, buffer_handle_t* handle, int32_t* stride)
{
// make sure to not allocate a N x 0 or 0 x N buffer, since this is
// allowed from an API stand-point allocate a 1x1 buffer instead.
if (!w || !h)
w = h = 1;
// we have a h/w allocator and h/w buffer is requested
status_t err;
#ifdef MISSING_EGL_PIXEL_FORMAT_YV12
if (format == HAL_PIXEL_FORMAT_YV12) {
format = HAL_PIXEL_FORMAT_RGBA_8888;
}
if (format == 0x1B) {
format = HAL_PIXEL_FORMAT_RGBA_8888;
}
if (usage & GRALLOC_USAGE_EXTERNAL_DISP) {
usage ^= GRALLOC_USAGE_EXTERNAL_DISP;
}
#endif
err = mAllocDev->alloc(mAllocDev, w, h, format, usage, handle, stride);
LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
w, h, format, usage, err, strerror(-err));
if (err == NO_ERROR) {
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
int bpp = bytesPerPixel(format);
if (bpp < 0) {
// probably a HAL custom format. in any case, we don't know
// what its pixel size is.
bpp = 0;
}
alloc_rec_t rec;
rec.w = w;
rec.h = h;
rec.s = *stride;
rec.format = format;
rec.usage = usage;
rec.size = h * stride[0] * bpp;
list.add(*handle, rec);
}
return err;
}
status_t SurfaceComposerClient::destroySurface(SurfaceID sid)
{
if (mStatus != NO_ERROR)
return mStatus;
// it's okay to destroy a surface while a transaction is open,
// (transactions really are a client-side concept)
// however, this indicates probably a misuse of the API or a bug
// in the client code.
LOGW_IF(mTransactionOpen,
"Destroying surface while a transaction is open. "
"Client %p: destroying surface %d, mTransactionOpen=%d",
this, sid, mTransactionOpen);
status_t err = mClient->destroySurface(sid);
return err;
}
void SurfaceTexture::freeAllBuffersExceptHeadLocked() {
LOGW_IF(!mQueue.isEmpty(),
"freeAllBuffersExceptCurrentLocked called but mQueue is not empty");
int head = -1;
if (!mQueue.empty()) {
Fifo::iterator front(mQueue.begin());
head = *front;
}
mCurrentTexture = INVALID_BUFFER_SLOT;
for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
if (i != head) {
freeBufferLocked(i);
}
}
#ifdef QCOM_HARDWARE
mGraphicBufferAlloc->freeAllGraphicBuffersExcept(head);
#endif
}
HWComposer::HWComposer(const sp<SurfaceFlinger>& flinger)
: mFlinger(flinger),
mModule(0), mHwc(0), mList(0), mCapacity(0),
mNumOVLayers(0), mNumFBLayers(0),
mDpy(EGL_NO_DISPLAY), mSur(EGL_NO_SURFACE)
{
int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
LOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
if (err == 0) {
err = hwc_open(mModule, &mHwc);
LOGE_IF(err, "%s device failed to initialize (%s)",
HWC_HARDWARE_COMPOSER, strerror(-err));
if (err == 0) {
if (mHwc->registerProcs) {
mCBContext.hwc = this;
mCBContext.procs.invalidate = &hook_invalidate;
mHwc->registerProcs(mHwc, &mCBContext.procs);
}
}
}
}
int HWComposer::init() {
int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
LOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
if (err)
return err;
err = hwc_open(mModule, &mHwc);
LOGE_IF(err, "%s device failed to initialize (%s)",
HWC_HARDWARE_COMPOSER, strerror(-err));
if (err) {
mHwc = NULL;
return err;
}
if (mHwc->registerProcs) {
mCBContext.hwc = this;
mHwc->registerProcs(mHwc, &mCBContext.procs);
}
return 0;
}
SimpleMemory::~SimpleMemory()
{
size_t freedOffset = getOffset();
size_t freedSize = getSize();
// keep the size to unmap in excess
size_t pagesize = getpagesize();
size_t start = freedOffset;
size_t end = start + freedSize;
start &= ~(pagesize-1);
end = (end + pagesize-1) & ~(pagesize-1);
// give back to the kernel the pages we don't need
size_t free_start = freedOffset;
size_t free_end = free_start + freedSize;
if (start < free_start)
start = free_start;
if (end > free_end)
end = free_end;
start = (start + pagesize-1) & ~(pagesize-1);
end &= ~(pagesize-1);
if (start < end) {
void* const start_ptr = (void*)(intptr_t(getHeap()->base()) + start);
size_t size = end-start;
#ifndef NDEBUG
memset(start_ptr, 0xdf, size);
#endif
// MADV_REMOVE is not defined on Dapper based Goobuntu
#ifdef MADV_REMOVE
if (size) {
int err = madvise(start_ptr, size, MADV_REMOVE);
LOGW_IF(err, "madvise(%p, %u, MADV_REMOVE) returned %s",
start_ptr, size, err<0 ? strerror(errno) : "Ok");
}
#endif
}
}
status_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
int usage, buffer_handle_t* handle, int32_t* stride)
{
// make sure to not allocate a 0 x 0 buffer
w = clamp(w);
h = clamp(h);
// we have a h/w allocator and h/w buffer is requested
status_t err;
if (usage & GRALLOC_USAGE_HW_MASK) {
err = mAllocDev->alloc(mAllocDev, w, h, format, usage, handle, stride);
} else {
err = sw_gralloc_handle_t::alloc(w, h, format, usage, handle, stride);
}
LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
w, h, format, usage, err, strerror(-err));
if (err == NO_ERROR) {
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
alloc_rec_t rec;
rec.w = w;
rec.h = h;
rec.format = format;
rec.usage = usage;
rec.vaddr = 0;
rec.size = h * stride[0] * bytesPerPixel(format);
list.add(*handle, rec);
} else {
String8 s;
dump(s);
LOGD("%s", s.string());
}
return err;
}
status_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
int usage, buffer_handle_t* handle, int32_t* stride)
{
// make sure to not allocate a N x 0 or 0 x N buffer, since this is
// allowed from an API stand-point allocate a 1x1 buffer instead.
if (!w || !h)
w = h = 1;
// we have a h/w allocator and h/w buffer is requested
status_t err;
#ifdef MISSING_EGL_PIXEL_FORMAT_YV12
if (format == HAL_PIXEL_FORMAT_YV12) {
format = HAL_PIXEL_FORMAT_RGBA_8888;
}
if (format == 27) { //OMX_COLOR_FormatCbYCrY (both are 16bpp)
format = HAL_PIXEL_FORMAT_RGB_565;
}
if (!(usage & GRALLOC_USAGE_SW_READ_MASK)) {
usage |= GRALLOC_USAGE_SW_READ_RARELY;
}
if (!(usage & GRALLOC_USAGE_SW_WRITE_MASK)) {
usage |= GRALLOC_USAGE_SW_WRITE_RARELY;
}
if (usage & GRALLOC_USAGE_EXTERNAL_DISP) {
usage ^= GRALLOC_USAGE_EXTERNAL_DISP;
}
#endif
#ifdef CUSTOM_OMX_16BPP_YUV
// 27: OMX_COLOR_FormatCbYCrY (both are 16bpp, so same buffer size)
if (format == CUSTOM_OMX_16BPP_YUV) {
LOGD("%s: Override OMX_COLOR_FormatCbYCrY", __FUNCTION__);
format = HAL_PIXEL_FORMAT_RGB_565;
}
#endif
err = mAllocDev->alloc(mAllocDev, w, h, format, usage, handle, stride);
LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
w, h, format, usage, err, strerror(-err));
if (err == NO_ERROR) {
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
int bpp = bytesPerPixel(format);
if (bpp < 0) {
// probably a HAL custom format. in any case, we don't know
// what its pixel size is.
bpp = 0;
}
alloc_rec_t rec;
rec.w = w;
rec.h = h;
rec.s = *stride;
rec.format = format;
rec.usage = usage;
rec.size = h * stride[0] * bpp;
list.add(*handle, rec);
}
return err;
}
// must be called with mLock held
status_t AudioTrack::createTrack_l(
int streamType,
uint32_t sampleRate,
uint32_t format,
uint32_t channelMask,
int frameCount,
uint32_t flags,
const sp<IMemory>& sharedBuffer,
audio_io_handle_t output,
bool enforceFrameCount)
{
status_t status;
const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger();
if (audioFlinger == 0) {
LOGE("Could not get audioflinger");
return NO_INIT;
}
int afSampleRate;
if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) {
return NO_INIT;
}
int afFrameCount;
if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) {
return NO_INIT;
}
uint32_t afLatency;
if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) {
return NO_INIT;
}
mNotificationFramesAct = mNotificationFramesReq;
if (!audio_is_linear_pcm(format)) {
if (sharedBuffer != 0) {
frameCount = sharedBuffer->size();
}
} else {
// Ensure that buffer depth covers at least audio hardware latency
uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate);
if (minBufCount < 2) minBufCount = 2;
int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate;
if (sharedBuffer == 0) {
if (frameCount == 0) {
frameCount = minFrameCount;
}
if (mNotificationFramesAct == 0) {
mNotificationFramesAct = frameCount/2;
}
// Make sure that application is notified with sufficient margin
// before underrun
if (mNotificationFramesAct > (uint32_t)frameCount/2) {
mNotificationFramesAct = frameCount/2;
}
if (frameCount < minFrameCount) {
LOGW_IF(enforceFrameCount, "Minimum buffer size corrected from %d to %d",
frameCount, minFrameCount);
frameCount = minFrameCount;
}
} else {
// Ensure that buffer alignment matches channelcount
int channelCount = popcount(channelMask);
if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) {
LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount);
return BAD_VALUE;
}
frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t);
}
}
sp<IAudioTrack> track = audioFlinger->createTrack(getpid(),
streamType,
sampleRate,
format,
channelMask,
frameCount,
((uint16_t)flags) << 16,
sharedBuffer,
output,
&mSessionId,
&status);
if (track == 0) {
LOGE("AudioFlinger could not create track, status: %d", status);
return status;
}
sp<IMemory> cblk = track->getCblk();
if (cblk == 0) {
LOGE("Could not get control block");
return NO_INIT;
}
mAudioTrack.clear();
mAudioTrack = track;
mCblkMemory.clear();
mCblkMemory = cblk;
mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer());
android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags);
if (sharedBuffer == 0) {
mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t);
} else {
mCblk->buffers = sharedBuffer->pointer();
// Force buffer full condition as data is already present in shared memory
mCblk->stepUser(mCblk->frameCount);
}
mCblk->volumeLR = (uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000);
mCblk->sendLevel = uint16_t(mSendLevel * 0x1000);
mAudioTrack->attachAuxEffect(mAuxEffectId);
mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS;
mCblk->waitTimeMs = 0;
mRemainingFrames = mNotificationFramesAct;
mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate;
return NO_ERROR;
}
DisplayHardwareBase::ConsoleManagerThread::ConsoleManagerThread(
const sp<SurfaceFlinger>& flinger)
: DisplayEventThreadBase(flinger), consoleFd(-1)
{
sSignalCatcherPid = 0;
// create a new console
char const * const ttydev = "/dev/tty0";
int fd = open(ttydev, O_RDWR | O_SYNC);
if (fd<0) {
LOGE("Can't open %s", ttydev);
this->consoleFd = -errno;
return;
}
// to make sure that we are in text mode
int res = ioctl(fd, KDSETMODE, (void*) KD_TEXT);
if (res<0) {
LOGE("ioctl(%d, KDSETMODE, ...) failed, res %d (%s)",
fd, res, strerror(errno));
}
// get the current console
struct vt_stat vs;
res = ioctl(fd, VT_GETSTATE, &vs);
if (res<0) {
LOGE("ioctl(%d, VT_GETSTATE, ...) failed, res %d (%s)",
fd, res, strerror(errno));
this->consoleFd = -errno;
return;
}
// switch to console 7 (which is what X normaly uses)
int vtnum = 7;
do {
res = ioctl(fd, VT_ACTIVATE, (void*)vtnum);
} while(res < 0 && errno == EINTR);
if (res<0) {
LOGE("ioctl(%d, VT_ACTIVATE, ...) failed, %d (%s) for %d",
fd, errno, strerror(errno), vtnum);
this->consoleFd = -errno;
return;
}
do {
res = ioctl(fd, VT_WAITACTIVE, (void*)vtnum);
} while(res < 0 && errno == EINTR);
if (res<0) {
LOGE("ioctl(%d, VT_WAITACTIVE, ...) failed, %d %d %s for %d",
fd, res, errno, strerror(errno), vtnum);
this->consoleFd = -errno;
return;
}
// open the new console
close(fd);
fd = open(ttydev, O_RDWR | O_SYNC);
if (fd<0) {
LOGE("Can't open new console %s", ttydev);
this->consoleFd = -errno;
return;
}
/* disable console line buffer, echo, ... */
struct termios ttyarg;
ioctl(fd, TCGETS , &ttyarg);
ttyarg.c_iflag = 0;
ttyarg.c_lflag = 0;
ioctl(fd, TCSETS , &ttyarg);
// set up signals so we're notified when the console changes
// we can't use SIGUSR1 because it's used by the java-vm
vm.mode = VT_PROCESS;
vm.waitv = 0;
vm.relsig = SIGUSR2;
vm.acqsig = SIGUNUSED;
vm.frsig = 0;
struct sigaction act;
sigemptyset(&act.sa_mask);
act.sa_handler = sigHandler;
act.sa_flags = 0;
sigaction(vm.relsig, &act, NULL);
sigemptyset(&act.sa_mask);
act.sa_handler = sigHandler;
act.sa_flags = 0;
sigaction(vm.acqsig, &act, NULL);
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, vm.relsig);
sigaddset(&mask, vm.acqsig);
sigprocmask(SIG_BLOCK, &mask, NULL);
// switch to graphic mode
res = ioctl(fd, KDSETMODE, (void*)KD_GRAPHICS);
LOGW_IF(res<0,
"ioctl(%d, KDSETMODE, KD_GRAPHICS) failed, res %d", fd, res);
this->prev_vt_num = vs.v_active;
this->vt_num = vtnum;
this->consoleFd = fd;
}
status_t SurfaceTexture::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h,
uint32_t format, uint32_t usage) {
ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage);
if ((w && !h) || (!w && h)) {
ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
return BAD_VALUE;
}
status_t returnFlags(OK);
EGLDisplay dpy = EGL_NO_DISPLAY;
EGLSyncKHR fence = EGL_NO_SYNC_KHR;
{ // Scope for the lock
Mutex::Autolock lock(mMutex);
int found = -1;
int foundSync = -1;
int dequeuedCount = 0;
bool tryAgain = true;
#ifdef MISSING_GRALLOC_BUFFERS
int dequeueRetries = 5;
#endif
while (tryAgain) {
if (mAbandoned) {
ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!");
return NO_INIT;
}
// We need to wait for the FIFO to drain if the number of buffer
// needs to change.
//
// The condition "number of buffers needs to change" is true if
// - the client doesn't care about how many buffers there are
// - AND the actual number of buffer is different from what was
// set in the last setBufferCountServer()
// - OR -
// setBufferCountServer() was set to a value incompatible with
// the synchronization mode (for instance because the sync mode
// changed since)
//
// As long as this condition is true AND the FIFO is not empty, we
// wait on mDequeueCondition.
const int minBufferCountNeeded = mSynchronousMode ?
MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS;
const bool numberOfBuffersNeedsToChange = !mClientBufferCount &&
((mServerBufferCount != mBufferCount) ||
(mServerBufferCount < minBufferCountNeeded));
if (!mQueue.isEmpty() && numberOfBuffersNeedsToChange) {
// wait for the FIFO to drain
mDequeueCondition.wait(mMutex);
// NOTE: we continue here because we need to reevaluate our
// whole state (eg: we could be abandoned or disconnected)
continue;
}
if (numberOfBuffersNeedsToChange) {
// here we're guaranteed that mQueue is empty
freeAllBuffersLocked();
mBufferCount = mServerBufferCount;
if (mBufferCount < minBufferCountNeeded)
mBufferCount = minBufferCountNeeded;
mCurrentTexture = INVALID_BUFFER_SLOT;
returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS;
}
// look for a free buffer to give to the client
found = INVALID_BUFFER_SLOT;
foundSync = INVALID_BUFFER_SLOT;
dequeuedCount = 0;
for (int i = 0; i < mBufferCount; i++) {
const int state = mSlots[i].mBufferState;
if (state == BufferSlot::DEQUEUED) {
dequeuedCount++;
}
// if buffer is FREE it CANNOT be current
LOGW_IF((state == BufferSlot::FREE) && (mCurrentTexture==i),
"dequeueBuffer: buffer %d is both FREE and current!",
i);
if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) {
if (state == BufferSlot::FREE || i == mCurrentTexture) {
foundSync = i;
if (i != mCurrentTexture) {
found = i;
break;
}
}
} else {
if (state == BufferSlot::FREE) {
/* We return the oldest of the free buffers to avoid
* stalling the producer if possible. This is because
* the consumer may still have pending reads of the
* buffers in flight.
*/
bool isOlder = mSlots[i].mFrameNumber <
mSlots[found].mFrameNumber;
if (found < 0 || isOlder) {
foundSync = i;
found = i;
}
}
}
}
// clients are not allowed to dequeue more than one buffer
// if they didn't set a buffer count.
if (!mClientBufferCount && dequeuedCount) {
#ifdef MISSING_GRALLOC_BUFFERS
if (--dequeueRetries) {
LOGD("SurfaceTexture::dequeue: Not allowed to dequeue more "
"than a buffer SLEEPING\n");
usleep(10000);
} else {
mClientBufferCount = mServerBufferCount;
LOGD("SurfaceTexture::dequeue: Not allowed to dequeue more "
"than a buffer RETRY mBufferCount:%d mServerBufferCount:%d\n",
mBufferCount, mServerBufferCount);
}
continue;
#else
ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without "
"setting the buffer count");
#endif
return -EINVAL;
}
// See whether a buffer has been queued since the last
// setBufferCount so we know whether to perform the
// MIN_UNDEQUEUED_BUFFERS check below.
bool bufferHasBeenQueued = mCurrentTexture != INVALID_BUFFER_SLOT;
if (bufferHasBeenQueued) {
// make sure the client is not trying to dequeue more buffers
// than allowed.
const int avail = mBufferCount - (dequeuedCount+1);
if (avail < (MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode))) {
#ifdef MISSING_GRALLOC_BUFFERS
if (mClientBufferCount != 0) {
mBufferCount++;
mClientBufferCount = mServerBufferCount = mBufferCount;
LOGD("SurfaceTexture::dequeuebuffer: MIN EXCEEDED "
"mBuffer:%d bumped\n", mBufferCount);
continue;
}
#endif
ST_LOGE("dequeueBuffer: MIN_UNDEQUEUED_BUFFERS=%d exceeded "
"(dequeued=%d)",
MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode),
dequeuedCount);
return -EBUSY;
}
}
// we're in synchronous mode and didn't find a buffer, we need to
// wait for some buffers to be consumed
tryAgain = mSynchronousMode && (foundSync == INVALID_BUFFER_SLOT);
if (tryAgain) {
mDequeueCondition.wait(mMutex);
}
}
if (mSynchronousMode && found == INVALID_BUFFER_SLOT) {
// foundSync guaranteed to be != INVALID_BUFFER_SLOT
found = foundSync;
}
if (found == INVALID_BUFFER_SLOT) {
// This should not happen.
ST_LOGE("dequeueBuffer: no available buffer slots");
return -EBUSY;
}
const int buf = found;
*outBuf = found;
const bool useDefaultSize = !w && !h;
if (useDefaultSize) {
// use the default size
w = mDefaultWidth;
h = mDefaultHeight;
}
const bool updateFormat = (format != 0);
if (!updateFormat) {
// keep the current (or default) format
format = mPixelFormat;
}
// buffer is now in DEQUEUED (but can also be current at the same time,
// if we're in synchronous mode)
mSlots[buf].mBufferState = BufferSlot::DEQUEUED;
const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer);
#ifdef QCOM_HARDWARE
qBufGeometry currentGeometry;
if (buffer != NULL)
currentGeometry.set(buffer->width, buffer->height, buffer->format);
else
currentGeometry.set(0, 0, 0);
qBufGeometry requiredGeometry;
requiredGeometry.set(w, h, format);
qBufGeometry updatedGeometry;
updatedGeometry.set(mNextBufferInfo.width, mNextBufferInfo.height,
mNextBufferInfo.format);
#endif
if ((buffer == NULL) ||
#ifdef QCOM_HARDWARE
needNewBuffer(currentGeometry, requiredGeometry, updatedGeometry) ||
#else
(uint32_t(buffer->width) != w) ||
(uint32_t(buffer->height) != h) ||
(uint32_t(buffer->format) != format) ||
#endif
((uint32_t(buffer->usage) & usage) != usage))
{
#ifdef QCOM_HARDWARE
if (buffer != NULL) {
mGraphicBufferAlloc->freeGraphicBufferAtIndex(buf);
}
#endif
usage |= GraphicBuffer::USAGE_HW_TEXTURE;
status_t error;
sp<GraphicBuffer> graphicBuffer(
mGraphicBufferAlloc->createGraphicBuffer(
w, h, format, usage, &error));
if (graphicBuffer == 0) {
ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer "
"failed");
return error;
}
if (updateFormat) {
mPixelFormat = format;
}
#ifdef QCOM_HARDWARE
checkBuffer((native_handle_t *)graphicBuffer->handle, mReqSize, usage);
#endif
mSlots[buf].mGraphicBuffer = graphicBuffer;
mSlots[buf].mRequestBufferCalled = false;
mSlots[buf].mFence = EGL_NO_SYNC_KHR;
if (mSlots[buf].mEglImage != EGL_NO_IMAGE_KHR) {
eglDestroyImageKHR(mSlots[buf].mEglDisplay,
mSlots[buf].mEglImage);
mSlots[buf].mEglImage = EGL_NO_IMAGE_KHR;
mSlots[buf].mEglDisplay = EGL_NO_DISPLAY;
}
if (mCurrentTexture == buf) {
// The current texture no longer references the buffer in this slot
// since we just allocated a new buffer.
mCurrentTexture = INVALID_BUFFER_SLOT;
}
returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION;
}
dpy = mSlots[buf].mEglDisplay;
fence = mSlots[buf].mFence;
mSlots[buf].mFence = EGL_NO_SYNC_KHR;
}
if (fence != EGL_NO_SYNC_KHR) {
EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000);
// If something goes wrong, log the error, but return the buffer without
// synchronizing access to it. It's too late at this point to abort the
// dequeue operation.
if (result == EGL_FALSE) {
LOGE("dequeueBuffer: error waiting for fence: %#x", eglGetError());
} else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
LOGE("dequeueBuffer: timeout waiting for fence");
}
eglDestroySyncKHR(dpy, fence);
}
ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf,
mSlots[*outBuf].mGraphicBuffer->handle, returnFlags);
return returnFlags;
}
