| /* |
| * Copyright (C) 2013 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. |
| */ |
| |
| #define LOG_TAG "Camera3-OutputStream" |
| #define ATRACE_TAG ATRACE_TAG_CAMERA |
| //#define LOG_NDEBUG 0 |
| |
| // This is needed for stdint.h to define INT64_MAX in C++ |
| #define __STDC_LIMIT_MACROS |
| |
| #include <utils/Log.h> |
| #include <utils/Trace.h> |
| #include "Camera3OutputStream.h" |
| |
| #ifndef container_of |
| #define container_of(ptr, type, member) \ |
| (type *)((char*)(ptr) - offsetof(type, member)) |
| #endif |
| |
| namespace android { |
| |
| namespace camera3 { |
| |
| Camera3OutputStream::Camera3OutputStream(int id, |
| sp<ANativeWindow> consumer, |
| uint32_t width, uint32_t height, int format) : |
| Camera3Stream(id, CAMERA3_STREAM_OUTPUT, width, height, 0, format), |
| mConsumer(consumer), |
| mTransform(0), |
| mTotalBufferCount(0), |
| mDequeuedBufferCount(0), |
| mFrameCount(0), |
| mLastTimestamp(0) { |
| |
| mCombinedFence = new Fence(); |
| if (mConsumer == NULL) { |
| ALOGE("%s: Consumer is NULL!", __FUNCTION__); |
| mState = STATE_ERROR; |
| } |
| } |
| |
| Camera3OutputStream::Camera3OutputStream(int id, |
| sp<ANativeWindow> consumer, |
| uint32_t width, uint32_t height, size_t maxSize, int format) : |
| Camera3Stream(id, CAMERA3_STREAM_OUTPUT, |
| width, height, maxSize, format), |
| mConsumer(consumer), |
| mTransform(0), |
| mTotalBufferCount(0), |
| mDequeuedBufferCount(0), |
| mFrameCount(0), |
| mLastTimestamp(0) { |
| |
| mCombinedFence = new Fence(); |
| |
| if (format != HAL_PIXEL_FORMAT_BLOB) { |
| ALOGE("%s: Bad format for size-only stream: %d", __FUNCTION__, |
| format); |
| mState = STATE_ERROR; |
| } |
| |
| if (mConsumer == NULL) { |
| ALOGE("%s: Consumer is NULL!", __FUNCTION__); |
| mState = STATE_ERROR; |
| } |
| } |
| |
| Camera3OutputStream::~Camera3OutputStream() { |
| disconnectLocked(); |
| } |
| |
| status_t Camera3OutputStream::getBufferLocked(camera3_stream_buffer *buffer) { |
| ATRACE_CALL(); |
| status_t res; |
| |
| // Allow dequeue during IN_[RE]CONFIG for registration |
| if (mState != STATE_CONFIGURED && |
| mState != STATE_IN_CONFIG && mState != STATE_IN_RECONFIG) { |
| ALOGE("%s: Stream %d: Can't get buffers in unconfigured state %d", |
| __FUNCTION__, mId, mState); |
| return INVALID_OPERATION; |
| } |
| |
| // Only limit dequeue amount when fully configured |
| if (mState == STATE_CONFIGURED && |
| mDequeuedBufferCount == camera3_stream::max_buffers) { |
| ALOGE("%s: Stream %d: Already dequeued maximum number of simultaneous" |
| " buffers (%d)", __FUNCTION__, mId, |
| camera3_stream::max_buffers); |
| return INVALID_OPERATION; |
| } |
| |
| ANativeWindowBuffer* anb; |
| int fenceFd; |
| |
| res = mConsumer->dequeueBuffer(mConsumer.get(), &anb, &fenceFd); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Can't dequeue next output buffer: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| return res; |
| } |
| |
| // Handing out a raw pointer to this object. Increment internal refcount. |
| incStrong(this); |
| buffer->stream = this; |
| buffer->buffer = &(anb->handle); |
| buffer->acquire_fence = fenceFd; |
| buffer->release_fence = -1; |
| buffer->status = CAMERA3_BUFFER_STATUS_OK; |
| |
| mDequeuedBufferCount++; |
| |
| return OK; |
| } |
| |
| status_t Camera3OutputStream::returnBufferLocked( |
| const camera3_stream_buffer &buffer, |
| nsecs_t timestamp) { |
| ATRACE_CALL(); |
| status_t res; |
| |
| // returnBuffer may be called from a raw pointer, not a sp<>, and we'll be |
| // decrementing the internal refcount next. In case this is the last ref, we |
| // might get destructed on the decStrong(), so keep an sp around until the |
| // end of the call - otherwise have to sprinkle the decStrong on all exit |
| // points. |
| sp<Camera3OutputStream> keepAlive(this); |
| decStrong(this); |
| |
| // Allow buffers to be returned in the error state, to allow for disconnect |
| // and in the in-config states for registration |
| if (mState == STATE_CONSTRUCTED) { |
| ALOGE("%s: Stream %d: Can't return buffers in unconfigured state %d", |
| __FUNCTION__, mId, mState); |
| return INVALID_OPERATION; |
| } |
| if (mDequeuedBufferCount == 0) { |
| ALOGE("%s: Stream %d: No buffers outstanding to return", __FUNCTION__, |
| mId); |
| return INVALID_OPERATION; |
| } |
| |
| sp<Fence> releaseFence; |
| |
| /** |
| * Fence management - calculate Release Fence |
| */ |
| if (buffer.status == CAMERA3_BUFFER_STATUS_ERROR) { |
| if (buffer.release_fence != -1) { |
| ALOGE("%s: Stream %d: HAL should not set release_fence(%d) when " |
| "there is an error", __FUNCTION__, mId, buffer.release_fence); |
| close(buffer.release_fence); |
| } |
| |
| /** |
| * Reassign release fence as the acquire fence in case of error |
| */ |
| releaseFence = new Fence(buffer.acquire_fence); |
| } else { |
| res = native_window_set_buffers_timestamp(mConsumer.get(), timestamp); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Error setting timestamp: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| return res; |
| } |
| |
| releaseFence = new Fence(buffer.release_fence); |
| } |
| |
| int anwReleaseFence = releaseFence->dup(); |
| |
| /** |
| * Return buffer back to ANativeWindow |
| */ |
| if (buffer.status == CAMERA3_BUFFER_STATUS_ERROR) { |
| // Cancel buffer |
| res = mConsumer->cancelBuffer(mConsumer.get(), |
| container_of(buffer.buffer, ANativeWindowBuffer, handle), |
| anwReleaseFence); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Error cancelling buffer to native window:" |
| " %s (%d)", __FUNCTION__, mId, strerror(-res), res); |
| } |
| } else { |
| res = mConsumer->queueBuffer(mConsumer.get(), |
| container_of(buffer.buffer, ANativeWindowBuffer, handle), |
| anwReleaseFence); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Error queueing buffer to native window: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| } |
| } |
| |
| if (res != OK) { |
| close(anwReleaseFence); |
| return res; |
| } |
| |
| mCombinedFence = Fence::merge(mName, mCombinedFence, releaseFence); |
| |
| mDequeuedBufferCount--; |
| mBufferReturnedSignal.signal(); |
| mLastTimestamp = timestamp; |
| |
| return OK; |
| } |
| |
| bool Camera3OutputStream::hasOutstandingBuffersLocked() const { |
| nsecs_t signalTime = mCombinedFence->getSignalTime(); |
| ALOGV("%s: Stream %d: Has %d outstanding buffers," |
| " buffer signal time is %lld", |
| __FUNCTION__, mId, mDequeuedBufferCount, signalTime); |
| if (mDequeuedBufferCount > 0 || signalTime == INT64_MAX) { |
| return true; |
| } |
| return false; |
| } |
| |
| status_t Camera3OutputStream::waitUntilIdle(nsecs_t timeout) { |
| status_t res; |
| { |
| Mutex::Autolock l(mLock); |
| while (mDequeuedBufferCount > 0) { |
| if (timeout != TIMEOUT_NEVER) { |
| nsecs_t startTime = systemTime(); |
| res = mBufferReturnedSignal.waitRelative(mLock, timeout); |
| if (res == TIMED_OUT) { |
| return res; |
| } else if (res != OK) { |
| ALOGE("%s: Error waiting for outstanding buffers: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| return res; |
| } |
| nsecs_t deltaTime = systemTime() - startTime; |
| if (timeout <= deltaTime) { |
| timeout = 0; |
| } else { |
| timeout -= deltaTime; |
| } |
| } else { |
| res = mBufferReturnedSignal.wait(mLock); |
| if (res != OK) { |
| ALOGE("%s: Error waiting for outstanding buffers: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| return res; |
| } |
| } |
| } |
| } |
| |
| // No lock |
| |
| unsigned int timeoutMs; |
| if (timeout == TIMEOUT_NEVER) { |
| timeoutMs = Fence::TIMEOUT_NEVER; |
| } else if (timeout == 0) { |
| timeoutMs = 0; |
| } else { |
| // Round up to wait at least 1 ms |
| timeoutMs = (timeout + 999999) / 1000000; |
| } |
| |
| return mCombinedFence->wait(timeoutMs); |
| } |
| |
| void Camera3OutputStream::dump(int fd, const Vector<String16> &args) const { |
| (void) args; |
| String8 lines; |
| lines.appendFormat(" Stream[%d]: Output\n", mId); |
| lines.appendFormat(" State: %d\n", mState); |
| lines.appendFormat(" Dims: %d x %d, format 0x%x\n", |
| camera3_stream::width, camera3_stream::height, |
| camera3_stream::format); |
| lines.appendFormat(" Max size: %d\n", mMaxSize); |
| lines.appendFormat(" Usage: %d, max HAL buffers: %d\n", |
| camera3_stream::usage, camera3_stream::max_buffers); |
| lines.appendFormat(" Frames produced: %d, last timestamp: %lld ns\n", |
| mFrameCount, mLastTimestamp); |
| lines.appendFormat(" Total buffers: %d, currently dequeued: %d\n", |
| mTotalBufferCount, mDequeuedBufferCount); |
| write(fd, lines.string(), lines.size()); |
| } |
| |
| status_t Camera3OutputStream::setTransform(int transform) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| return setTransformLocked(transform); |
| } |
| |
| status_t Camera3OutputStream::setTransformLocked(int transform) { |
| status_t res = OK; |
| if (mState == STATE_ERROR) { |
| ALOGE("%s: Stream in error state", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| |
| mTransform = transform; |
| if (mState == STATE_CONFIGURED) { |
| res = native_window_set_buffers_transform(mConsumer.get(), |
| transform); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream transform to %x: %s (%d)", |
| __FUNCTION__, transform, strerror(-res), res); |
| } |
| } |
| return res; |
| } |
| |
| status_t Camera3OutputStream::configureQueueLocked() { |
| status_t res; |
| |
| switch (mState) { |
| case STATE_IN_RECONFIG: |
| res = disconnectLocked(); |
| if (res != OK) { |
| return res; |
| } |
| break; |
| case STATE_IN_CONFIG: |
| // OK |
| break; |
| default: |
| ALOGE("%s: Bad state: %d", __FUNCTION__, mState); |
| return INVALID_OPERATION; |
| } |
| |
| // Configure consumer-side ANativeWindow interface |
| res = native_window_api_connect(mConsumer.get(), |
| NATIVE_WINDOW_API_CAMERA); |
| if (res != OK) { |
| ALOGE("%s: Unable to connect to native window for stream %d", |
| __FUNCTION__, mId); |
| return res; |
| } |
| |
| res = native_window_set_usage(mConsumer.get(), camera3_stream::usage); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure usage %08x for stream %d", |
| __FUNCTION__, camera3_stream::usage, mId); |
| return res; |
| } |
| |
| res = native_window_set_scaling_mode(mConsumer.get(), |
| NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream scaling: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| return res; |
| } |
| |
| res = setTransformLocked(0); |
| if (res != OK) { |
| return res; |
| } |
| |
| if (mMaxSize == 0) { |
| // For buffers of known size |
| res = native_window_set_buffers_geometry(mConsumer.get(), |
| camera3_stream::width, camera3_stream::height, |
| camera3_stream::format); |
| } else { |
| // For buffers with bounded size |
| res = native_window_set_buffers_geometry(mConsumer.get(), |
| mMaxSize, 1, |
| camera3_stream::format); |
| } |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream buffer geometry" |
| " %d x %d, format %x for stream %d", |
| __FUNCTION__, camera3_stream::width, camera3_stream::height, |
| camera3_stream::format, mId); |
| return res; |
| } |
| |
| int maxConsumerBuffers; |
| res = mConsumer->query(mConsumer.get(), |
| NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &maxConsumerBuffers); |
| if (res != OK) { |
| ALOGE("%s: Unable to query consumer undequeued" |
| " buffer count for stream %d", __FUNCTION__, mId); |
| return res; |
| } |
| |
| ALOGV("%s: Consumer wants %d buffers", __FUNCTION__, |
| maxConsumerBuffers); |
| |
| mTotalBufferCount = maxConsumerBuffers + camera3_stream::max_buffers; |
| mDequeuedBufferCount = 0; |
| mFrameCount = 0; |
| mLastTimestamp = 0; |
| |
| res = native_window_set_buffer_count(mConsumer.get(), |
| mTotalBufferCount); |
| if (res != OK) { |
| ALOGE("%s: Unable to set buffer count for stream %d", |
| __FUNCTION__, mId); |
| return res; |
| } |
| |
| res = native_window_set_buffers_transform(mConsumer.get(), |
| mTransform); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream transform to %x: %s (%d)", |
| __FUNCTION__, mTransform, strerror(-res), res); |
| } |
| |
| return OK; |
| } |
| |
| size_t Camera3OutputStream::getBufferCountLocked() { |
| return mTotalBufferCount; |
| } |
| |
| status_t Camera3OutputStream::disconnectLocked() { |
| status_t res; |
| |
| switch (mState) { |
| case STATE_IN_RECONFIG: |
| case STATE_CONFIGURED: |
| // OK |
| break; |
| default: |
| // No connection, nothing to do |
| return OK; |
| } |
| |
| if (mDequeuedBufferCount > 0) { |
| ALOGE("%s: Can't disconnect with %d buffers still dequeued!", |
| __FUNCTION__, mDequeuedBufferCount); |
| return INVALID_OPERATION; |
| } |
| |
| res = native_window_api_disconnect(mConsumer.get(), NATIVE_WINDOW_API_CAMERA); |
| |
| /** |
| * This is not an error. if client calling process dies, the window will |
| * also die and all calls to it will return DEAD_OBJECT, thus it's already |
| * "disconnected" |
| */ |
| if (res == DEAD_OBJECT) { |
| ALOGW("%s: While disconnecting stream %d from native window, the" |
| " native window died from under us", __FUNCTION__, mId); |
| } |
| else if (res != OK) { |
| ALOGE("%s: Unable to disconnect stream %d from native window (error %d %s)", |
| __FUNCTION__, mId, res, strerror(-res)); |
| mState = STATE_ERROR; |
| return res; |
| } |
| |
| mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG : STATE_CONSTRUCTED; |
| return OK; |
| } |
| |
| }; // namespace camera3 |
| |
| }; // namespace android |
