void GPUHardware::binderDied(const wp<IBinder>& who)
{
Mutex::Autolock _l(mLock);
pid_t pid = mRegisteredClients.valueFor(who);
if (pid != 0) {
ssize_t index = mClients.indexOfKey(pid);
if (index >= 0) {
//LOGD("*** removing client at %d", index);
Client& client(mClients.editValueAt(index));
client.revokeAllHeaps(); // not really needed in theory
mClients.removeItemsAt(index);
if (mClients.size() == 0) {
//LOGD("*** was last client closing everything");
mCallback.clear();
mAllocator.clear();
mCurrentAllocator.clear();
mSMIHeap.clear();
mREGHeap.clear();
// NOTE: we cannot clear the EBI heap because surfaceflinger
// itself may be using it, since this is where surfaces
// are allocated. if we're in the middle of compositing
// a surface (even if its process just died), we cannot
// rip the heap under our feet.
mOwner = NO_OWNER;
}
}
}
}
void HeapCache::pin_heap(const sp<IBinder>& binder)
{
Mutex::Autolock _l(mHeapCacheLock);
ssize_t i = mHeapCache.indexOfKey(binder);
if (i>=0) {
heap_info_t& info(mHeapCache.editValueAt(i));
android_atomic_inc(&info.count);
binder->linkToDeath(this);
} else {
LOGE("pin_heap binder=%p not found!!!", binder.get());
}
}
GPUHardware::Client& GPUHardware::getClientLocked(pid_t pid)
{
ssize_t index = mClients.indexOfKey(pid);
if (index < 0) {
Client client;
client.pid = pid;
client.smi.heap = mSMIHeap;
client.ebi.heap = mEBIHeap;
client.reg.heap = mREGHeap;
index = mClients.add(pid, client);
}
Client& client(mClients.editValueAt(index));
client.createClientHeaps();
return client;
}
void GPUHardware::releaseLocked()
{
//LOGD("revoking gpu from pid %d", mOwner);
if (mOwner != NO_OWNER) {
// this may fail because the client might have died, and have
// been removed from the list.
ssize_t index = mClients.indexOfKey(mOwner);
if (index >= 0) {
Client& client(mClients.editValueAt(index));
client.revokeAllHeaps();
}
mOwner = NO_OWNER;
mCurrentAllocator.clear();
mCallback.clear();
}
}
void HeapCache::free_heap(const wp<IBinder>& binder)
{
sp<IMemoryHeap> rel;
{
Mutex::Autolock _l(mHeapCacheLock);
ssize_t i = mHeapCache.indexOfKey(binder);
if (i>=0) {
heap_info_t& info(mHeapCache.editValueAt(i));
int32_t c = android_atomic_dec(&info.count);
if (c == 1) {
ALOGD_IF(VERBOSE,
"removing binder=%p, heap=%p, size=%d, fd=%d, count=%d",
binder.unsafe_get(), info.heap.get(),
static_cast<BpMemoryHeap*>(info.heap.get())->mSize,
static_cast<BpMemoryHeap*>(info.heap.get())->mHeapId,
info.count);
rel = mHeapCache.valueAt(i).heap;
mHeapCache.removeItemsAt(i);
}
} else {
ALOGE("free_heap binder=%p not found!!!", binder.unsafe_get());
}
}
}
sp<IMemoryHeap> HeapCache::find_heap(const sp<IBinder>& binder)
{
Mutex::Autolock _l(mHeapCacheLock);
ssize_t i = mHeapCache.indexOfKey(binder);
if (i>=0) {
heap_info_t& info = mHeapCache.editValueAt(i);
ALOGD_IF(VERBOSE,
"found binder=%p, heap=%p, size=%d, fd=%d, count=%d",
binder.get(), info.heap.get(),
static_cast<BpMemoryHeap*>(info.heap.get())->mSize,
static_cast<BpMemoryHeap*>(info.heap.get())->mHeapId,
info.count);
android_atomic_inc(&info.count);
return info.heap;
} else {
heap_info_t info;
info.heap = interface_cast<IMemoryHeap>(binder);
info.count = 1;
//ALOGD("adding binder=%p, heap=%p, count=%d",
// binder.get(), info.heap.get(), info.count);
mHeapCache.add(binder, info);
return info.heap;
}
}
static int decode(
const android::sp<android::ALooper> &looper,
const char *path,
bool useAudio,
bool useVideo,
const android::sp<android::Surface> &surface) {
using namespace android;
static int64_t kTimeout = 500ll;
sp<NuMediaExtractor> extractor = new NuMediaExtractor;
if (extractor->setDataSource(path) != OK) {
fprintf(stderr, "unable to instantiate extractor.\n");
return 1;
}
KeyedVector<size_t, CodecState> stateByTrack;
bool haveAudio = false;
bool haveVideo = false;
for (size_t i = 0; i < extractor->countTracks(); ++i) {
sp<AMessage> format;
status_t err = extractor->getTrackFormat(i, &format);
CHECK_EQ(err, (status_t)OK);
AString mime;
CHECK(format->findString("mime", &mime));
bool isAudio = !strncasecmp(mime.c_str(), "audio/", 6);
bool isVideo = !strncasecmp(mime.c_str(), "video/", 6);
if (useAudio && !haveAudio && isAudio) {
haveAudio = true;
} else if (useVideo && !haveVideo && isVideo) {
haveVideo = true;
} else {
continue;
}
ALOGV("selecting track %d", i);
err = extractor->selectTrack(i);
CHECK_EQ(err, (status_t)OK);
CodecState *state =
&stateByTrack.editValueAt(stateByTrack.add(i, CodecState()));
state->mNumBytesDecoded = 0;
state->mNumBuffersDecoded = 0;
state->mIsAudio = isAudio;
state->mCodec = MediaCodec::CreateByType(
looper, mime.c_str(), false /* encoder */);
CHECK(state->mCodec != NULL);
err = state->mCodec->configure(
format, isVideo ? surface : NULL,
NULL /* crypto */,
0 /* flags */);
CHECK_EQ(err, (status_t)OK);
state->mSignalledInputEOS = false;
state->mSawOutputEOS = false;
}
CHECK(!stateByTrack.isEmpty());
int64_t startTimeUs = ALooper::GetNowUs();
for (size_t i = 0; i < stateByTrack.size(); ++i) {
CodecState *state = &stateByTrack.editValueAt(i);
sp<MediaCodec> codec = state->mCodec;
CHECK_EQ((status_t)OK, codec->start());
CHECK_EQ((status_t)OK, codec->getInputBuffers(&state->mInBuffers));
CHECK_EQ((status_t)OK, codec->getOutputBuffers(&state->mOutBuffers));
ALOGV("got %d input and %d output buffers",
state->mInBuffers.size(), state->mOutBuffers.size());
}
bool sawInputEOS = false;
for (;;) {
if (!sawInputEOS) {
size_t trackIndex;
status_t err = extractor->getSampleTrackIndex(&trackIndex);
if (err != OK) {
ALOGV("saw input eos");
sawInputEOS = true;
} else {
CodecState *state = &stateByTrack.editValueFor(trackIndex);
size_t index;
err = state->mCodec->dequeueInputBuffer(&index, kTimeout);
if (err == OK) {
ALOGV("filling input buffer %d", index);
const sp<ABuffer> &buffer = state->mInBuffers.itemAt(index);
err = extractor->readSampleData(buffer);
CHECK_EQ(err, (status_t)OK);
int64_t timeUs;
err = extractor->getSampleTime(&timeUs);
CHECK_EQ(err, (status_t)OK);
uint32_t bufferFlags = 0;
err = state->mCodec->queueInputBuffer(
index,
0 /* offset */,
buffer->size(),
timeUs,
bufferFlags);
CHECK_EQ(err, (status_t)OK);
extractor->advance();
} else {
CHECK_EQ(err, -EAGAIN);
}
}
} else {
for (size_t i = 0; i < stateByTrack.size(); ++i) {
CodecState *state = &stateByTrack.editValueAt(i);
if (!state->mSignalledInputEOS) {
size_t index;
status_t err =
state->mCodec->dequeueInputBuffer(&index, kTimeout);
if (err == OK) {
ALOGV("signalling input EOS on track %d", i);
err = state->mCodec->queueInputBuffer(
index,
0 /* offset */,
0 /* size */,
0ll /* timeUs */,
MediaCodec::BUFFER_FLAG_EOS);
CHECK_EQ(err, (status_t)OK);
state->mSignalledInputEOS = true;
} else {
CHECK_EQ(err, -EAGAIN);
}
}
}
}
bool sawOutputEOSOnAllTracks = true;
for (size_t i = 0; i < stateByTrack.size(); ++i) {
CodecState *state = &stateByTrack.editValueAt(i);
if (!state->mSawOutputEOS) {
sawOutputEOSOnAllTracks = false;
break;
}
}
if (sawOutputEOSOnAllTracks) {
break;
}
for (size_t i = 0; i < stateByTrack.size(); ++i) {
CodecState *state = &stateByTrack.editValueAt(i);
if (state->mSawOutputEOS) {
continue;
}
size_t index;
size_t offset;
size_t size;
int64_t presentationTimeUs;
uint32_t flags;
status_t err = state->mCodec->dequeueOutputBuffer(
&index, &offset, &size, &presentationTimeUs, &flags,
kTimeout);
if (err == OK) {
ALOGV("draining output buffer %d, time = %lld us",
index, presentationTimeUs);
++state->mNumBuffersDecoded;
state->mNumBytesDecoded += size;
err = state->mCodec->releaseOutputBuffer(index);
CHECK_EQ(err, (status_t)OK);
if (flags & MediaCodec::BUFFER_FLAG_EOS) {
ALOGV("reached EOS on output.");
state->mSawOutputEOS = true;
}
} else if (err == INFO_OUTPUT_BUFFERS_CHANGED) {
ALOGV("INFO_OUTPUT_BUFFERS_CHANGED");
CHECK_EQ((status_t)OK,
state->mCodec->getOutputBuffers(&state->mOutBuffers));
ALOGV("got %d output buffers", state->mOutBuffers.size());
} else if (err == INFO_FORMAT_CHANGED) {
sp<AMessage> format;
CHECK_EQ((status_t)OK, state->mCodec->getOutputFormat(&format));
ALOGV("INFO_FORMAT_CHANGED: %s", format->debugString().c_str());
} else {
CHECK_EQ(err, -EAGAIN);
}
}
}
int64_t elapsedTimeUs = ALooper::GetNowUs() - startTimeUs;
for (size_t i = 0; i < stateByTrack.size(); ++i) {
CodecState *state = &stateByTrack.editValueAt(i);
CHECK_EQ((status_t)OK, state->mCodec->release());
if (state->mIsAudio) {
printf("track %zu: %" PRId64 " bytes received. %.2f KB/sec\n",
i,
state->mNumBytesDecoded,
state->mNumBytesDecoded * 1E6 / 1024 / elapsedTimeUs);
} else {
printf("track %zu: %" PRId64 " frames decoded, %.2f fps. %" PRId64
" bytes received. %.2f KB/sec\n",
i,
state->mNumBuffersDecoded,
state->mNumBuffersDecoded * 1E6 / elapsedTimeUs,
state->mNumBytesDecoded,
state->mNumBytesDecoded * 1E6 / 1024 / elapsedTimeUs);
}
}
return 0;
}