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-rw-r--r--services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp879
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diff --git a/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp b/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
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+++ b/services/camera/libcameraservice/api1/client2/StreamingProcessor.cpp
@@ -0,0 +1,879 @@
+/*
+ * Copyright (C) 2012 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 "Camera2-StreamingProcessor"
+#define ATRACE_TAG ATRACE_TAG_CAMERA
+//#define LOG_NDEBUG 0
+//#define LOG_NNDEBUG 0 // Per-frame verbose logging
+
+#ifdef LOG_NNDEBUG
+#define ALOGVV(...) ALOGV(__VA_ARGS__)
+#else
+#define ALOGVV(...) ((void)0)
+#endif
+
+#include <utils/Log.h>
+#include <utils/Trace.h>
+#include <gui/Surface.h>
+#include <media/hardware/MetadataBufferType.h>
+
+#include "common/CameraDeviceBase.h"
+#include "api1/Camera2Client.h"
+#include "api1/client2/StreamingProcessor.h"
+#include "api1/client2/Camera2Heap.h"
+
+namespace android {
+namespace camera2 {
+
+StreamingProcessor::StreamingProcessor(sp<Camera2Client> client):
+ mClient(client),
+ mDevice(client->getCameraDevice()),
+ mId(client->getCameraId()),
+ mActiveRequest(NONE),
+ mPaused(false),
+ mPreviewRequestId(Camera2Client::kPreviewRequestIdStart),
+ mPreviewStreamId(NO_STREAM),
+ mRecordingRequestId(Camera2Client::kRecordingRequestIdStart),
+ mRecordingStreamId(NO_STREAM),
+ mRecordingFrameAvailable(false),
+ mRecordingHeapCount(kDefaultRecordingHeapCount),
+ mRecordingHeapFree(kDefaultRecordingHeapCount)
+{
+}
+
+StreamingProcessor::~StreamingProcessor() {
+ deletePreviewStream();
+ deleteRecordingStream();
+}
+
+status_t StreamingProcessor::setPreviewWindow(sp<ANativeWindow> window) {
+ ATRACE_CALL();
+ status_t res;
+
+ res = deletePreviewStream();
+ if (res != OK) return res;
+
+ Mutex::Autolock m(mMutex);
+
+ mPreviewWindow = window;
+
+ return OK;
+}
+
+bool StreamingProcessor::haveValidPreviewWindow() const {
+ Mutex::Autolock m(mMutex);
+ return mPreviewWindow != 0;
+}
+
+status_t StreamingProcessor::updatePreviewRequest(const Parameters &params) {
+ ATRACE_CALL();
+ status_t res;
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ Mutex::Autolock m(mMutex);
+ if (mPreviewRequest.entryCount() == 0) {
+ res = device->createDefaultRequest(CAMERA2_TEMPLATE_PREVIEW,
+ &mPreviewRequest);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to create default preview request: "
+ "%s (%d)", __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ }
+
+ res = params.updateRequest(&mPreviewRequest);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to update common entries of preview "
+ "request: %s (%d)", __FUNCTION__, mId,
+ strerror(-res), res);
+ return res;
+ }
+
+ res = mPreviewRequest.update(ANDROID_REQUEST_ID,
+ &mPreviewRequestId, 1);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to update request id for preview: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+
+ return OK;
+}
+
+status_t StreamingProcessor::updatePreviewStream(const Parameters &params) {
+ ATRACE_CALL();
+ Mutex::Autolock m(mMutex);
+
+ status_t res;
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ if (mPreviewStreamId != NO_STREAM) {
+ // Check if stream parameters have to change
+ uint32_t currentWidth, currentHeight;
+ res = device->getStreamInfo(mPreviewStreamId,
+ &currentWidth, &currentHeight, 0);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Error querying preview stream info: "
+ "%s (%d)", __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ if (currentWidth != (uint32_t)params.previewWidth ||
+ currentHeight != (uint32_t)params.previewHeight) {
+ ALOGV("%s: Camera %d: Preview size switch: %d x %d -> %d x %d",
+ __FUNCTION__, mId, currentWidth, currentHeight,
+ params.previewWidth, params.previewHeight);
+ res = device->waitUntilDrained();
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Error waiting for preview to drain: "
+ "%s (%d)", __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ res = device->deleteStream(mPreviewStreamId);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to delete old output stream "
+ "for preview: %s (%d)", __FUNCTION__, mId,
+ strerror(-res), res);
+ return res;
+ }
+ mPreviewStreamId = NO_STREAM;
+ }
+ }
+
+ if (mPreviewStreamId == NO_STREAM) {
+ res = device->createStream(mPreviewWindow,
+ params.previewWidth, params.previewHeight,
+ CAMERA2_HAL_PIXEL_FORMAT_OPAQUE, 0,
+ &mPreviewStreamId);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to create preview stream: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ }
+
+ res = device->setStreamTransform(mPreviewStreamId,
+ params.previewTransform);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to set preview stream transform: "
+ "%s (%d)", __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+
+ return OK;
+}
+
+status_t StreamingProcessor::deletePreviewStream() {
+ ATRACE_CALL();
+ status_t res;
+
+ Mutex::Autolock m(mMutex);
+
+ if (mPreviewStreamId != NO_STREAM) {
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ ALOGV("%s: for cameraId %d on streamId %d",
+ __FUNCTION__, mId, mPreviewStreamId);
+
+ res = device->waitUntilDrained();
+ if (res != OK) {
+ ALOGE("%s: Error waiting for preview to drain: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+ res = device->deleteStream(mPreviewStreamId);
+ if (res != OK) {
+ ALOGE("%s: Unable to delete old preview stream: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+ mPreviewStreamId = NO_STREAM;
+ }
+ return OK;
+}
+
+int StreamingProcessor::getPreviewStreamId() const {
+ Mutex::Autolock m(mMutex);
+ return mPreviewStreamId;
+}
+
+status_t StreamingProcessor::setRecordingBufferCount(size_t count) {
+ ATRACE_CALL();
+ // Make sure we can support this many buffer slots
+ if (count > BufferQueue::NUM_BUFFER_SLOTS) {
+ ALOGE("%s: Camera %d: Too many recording buffers requested: %d, max %d",
+ __FUNCTION__, mId, count, BufferQueue::NUM_BUFFER_SLOTS);
+ return BAD_VALUE;
+ }
+
+ Mutex::Autolock m(mMutex);
+
+ ALOGV("%s: Camera %d: New recording buffer count from encoder: %d",
+ __FUNCTION__, mId, count);
+
+ // Need to re-size consumer and heap
+ if (mRecordingHeapCount != count) {
+ ALOGV("%s: Camera %d: Resetting recording heap and consumer",
+ __FUNCTION__, mId);
+
+ if (isStreamActive(mActiveStreamIds, mRecordingStreamId)) {
+ ALOGE("%s: Camera %d: Setting recording buffer count when "
+ "recording stream is already active!", __FUNCTION__,
+ mId);
+ return INVALID_OPERATION;
+ }
+
+ releaseAllRecordingFramesLocked();
+
+ if (mRecordingHeap != 0) {
+ mRecordingHeap.clear();
+ }
+ mRecordingHeapCount = count;
+ mRecordingHeapFree = count;
+
+ mRecordingConsumer.clear();
+ }
+
+ return OK;
+}
+
+status_t StreamingProcessor::updateRecordingRequest(const Parameters &params) {
+ ATRACE_CALL();
+ status_t res;
+ Mutex::Autolock m(mMutex);
+
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ if (mRecordingRequest.entryCount() == 0) {
+ res = device->createDefaultRequest(CAMERA2_TEMPLATE_VIDEO_RECORD,
+ &mRecordingRequest);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to create default recording request:"
+ " %s (%d)", __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ }
+
+ res = params.updateRequest(&mRecordingRequest);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to update common entries of recording "
+ "request: %s (%d)", __FUNCTION__, mId,
+ strerror(-res), res);
+ return res;
+ }
+
+ res = mRecordingRequest.update(ANDROID_REQUEST_ID,
+ &mRecordingRequestId, 1);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to update request id for request: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+
+ return OK;
+}
+
+status_t StreamingProcessor::updateRecordingStream(const Parameters &params) {
+ ATRACE_CALL();
+ status_t res;
+ Mutex::Autolock m(mMutex);
+
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ bool newConsumer = false;
+ if (mRecordingConsumer == 0) {
+ ALOGV("%s: Camera %d: Creating recording consumer with %d + 1 "
+ "consumer-side buffers", __FUNCTION__, mId, mRecordingHeapCount);
+ // Create CPU buffer queue endpoint. We need one more buffer here so that we can
+ // always acquire and free a buffer when the heap is full; otherwise the consumer
+ // will have buffers in flight we'll never clear out.
+ sp<BufferQueue> bq = new BufferQueue();
+ mRecordingConsumer = new BufferItemConsumer(bq,
+ GRALLOC_USAGE_HW_VIDEO_ENCODER,
+ mRecordingHeapCount + 1);
+ mRecordingConsumer->setFrameAvailableListener(this);
+ mRecordingConsumer->setName(String8("Camera2-RecordingConsumer"));
+ mRecordingWindow = new Surface(bq);
+ newConsumer = true;
+ // Allocate memory later, since we don't know buffer size until receipt
+ }
+
+ if (mRecordingStreamId != NO_STREAM) {
+ // Check if stream parameters have to change
+ uint32_t currentWidth, currentHeight;
+ res = device->getStreamInfo(mRecordingStreamId,
+ &currentWidth, &currentHeight, 0);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Error querying recording output stream info: "
+ "%s (%d)", __FUNCTION__, mId,
+ strerror(-res), res);
+ return res;
+ }
+ if (currentWidth != (uint32_t)params.videoWidth ||
+ currentHeight != (uint32_t)params.videoHeight || newConsumer) {
+ // TODO: Should wait to be sure previous recording has finished
+ res = device->deleteStream(mRecordingStreamId);
+
+ if (res == -EBUSY) {
+ ALOGV("%s: Camera %d: Device is busy, call "
+ "updateRecordingStream after it becomes idle",
+ __FUNCTION__, mId);
+ return res;
+ } else if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to delete old output stream "
+ "for recording: %s (%d)", __FUNCTION__,
+ mId, strerror(-res), res);
+ return res;
+ }
+ mRecordingStreamId = NO_STREAM;
+ }
+ }
+
+ if (mRecordingStreamId == NO_STREAM) {
+ mRecordingFrameCount = 0;
+ res = device->createStream(mRecordingWindow,
+ params.videoWidth, params.videoHeight,
+ CAMERA2_HAL_PIXEL_FORMAT_OPAQUE, 0, &mRecordingStreamId);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Can't create output stream for recording: "
+ "%s (%d)", __FUNCTION__, mId,
+ strerror(-res), res);
+ return res;
+ }
+ }
+
+ return OK;
+}
+
+status_t StreamingProcessor::deleteRecordingStream() {
+ ATRACE_CALL();
+ status_t res;
+
+ Mutex::Autolock m(mMutex);
+
+ if (mRecordingStreamId != NO_STREAM) {
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ res = device->waitUntilDrained();
+ if (res != OK) {
+ ALOGE("%s: Error waiting for HAL to drain: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+ res = device->deleteStream(mRecordingStreamId);
+ if (res != OK) {
+ ALOGE("%s: Unable to delete recording stream: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+ mRecordingStreamId = NO_STREAM;
+ }
+ return OK;
+}
+
+int StreamingProcessor::getRecordingStreamId() const {
+ return mRecordingStreamId;
+}
+
+status_t StreamingProcessor::startStream(StreamType type,
+ const Vector<int32_t> &outputStreams) {
+ ATRACE_CALL();
+ status_t res;
+
+ if (type == NONE) return INVALID_OPERATION;
+
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ ALOGV("%s: Camera %d: type = %d", __FUNCTION__, mId, type);
+
+ Mutex::Autolock m(mMutex);
+
+ // If a recording stream is being started up, free up any
+ // outstanding buffers left from the previous recording session.
+ // There should never be any, so if there are, warn about it.
+ if (isStreamActive(outputStreams, mRecordingStreamId)) {
+ releaseAllRecordingFramesLocked();
+ }
+
+ ALOGV("%s: Camera %d: %s started, recording heap has %d free of %d",
+ __FUNCTION__, mId, (type == PREVIEW) ? "preview" : "recording",
+ mRecordingHeapFree, mRecordingHeapCount);
+
+ CameraMetadata &request = (type == PREVIEW) ?
+ mPreviewRequest : mRecordingRequest;
+
+ res = request.update(
+ ANDROID_REQUEST_OUTPUT_STREAMS,
+ outputStreams);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to set up preview request: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+
+ res = request.sort();
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Error sorting preview request: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+
+ res = device->setStreamingRequest(request);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to set preview request to start preview: "
+ "%s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ mActiveRequest = type;
+ mPaused = false;
+ mActiveStreamIds = outputStreams;
+ return OK;
+}
+
+status_t StreamingProcessor::togglePauseStream(bool pause) {
+ ATRACE_CALL();
+ status_t res;
+
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ ALOGV("%s: Camera %d: toggling pause to %d", __FUNCTION__, mId, pause);
+
+ Mutex::Autolock m(mMutex);
+
+ if (mActiveRequest == NONE) {
+ ALOGE("%s: Camera %d: Can't toggle pause, streaming was not started",
+ __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ if (mPaused == pause) {
+ return OK;
+ }
+
+ if (pause) {
+ res = device->clearStreamingRequest();
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Can't clear stream request: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ } else {
+ CameraMetadata &request =
+ (mActiveRequest == PREVIEW) ? mPreviewRequest
+ : mRecordingRequest;
+ res = device->setStreamingRequest(request);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to set preview request to resume: "
+ "%s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+ }
+
+ mPaused = pause;
+ return OK;
+}
+
+status_t StreamingProcessor::stopStream() {
+ ATRACE_CALL();
+ status_t res;
+
+ Mutex::Autolock m(mMutex);
+
+ sp<CameraDeviceBase> device = mDevice.promote();
+ if (device == 0) {
+ ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId);
+ return INVALID_OPERATION;
+ }
+
+ res = device->clearStreamingRequest();
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Can't clear stream request: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ return res;
+ }
+
+ mActiveRequest = NONE;
+ mActiveStreamIds.clear();
+ mPaused = false;
+
+ return OK;
+}
+
+int32_t StreamingProcessor::getActiveRequestId() const {
+ Mutex::Autolock m(mMutex);
+ switch (mActiveRequest) {
+ case NONE:
+ return 0;
+ case PREVIEW:
+ return mPreviewRequestId;
+ case RECORD:
+ return mRecordingRequestId;
+ default:
+ ALOGE("%s: Unexpected mode %d", __FUNCTION__, mActiveRequest);
+ return 0;
+ }
+}
+
+status_t StreamingProcessor::incrementStreamingIds() {
+ ATRACE_CALL();
+ Mutex::Autolock m(mMutex);
+
+ mPreviewRequestId++;
+ if (mPreviewRequestId >= Camera2Client::kPreviewRequestIdEnd) {
+ mPreviewRequestId = Camera2Client::kPreviewRequestIdStart;
+ }
+ mRecordingRequestId++;
+ if (mRecordingRequestId >= Camera2Client::kRecordingRequestIdEnd) {
+ mRecordingRequestId = Camera2Client::kRecordingRequestIdStart;
+ }
+ return OK;
+}
+
+void StreamingProcessor::onFrameAvailable() {
+ ATRACE_CALL();
+ Mutex::Autolock l(mMutex);
+ if (!mRecordingFrameAvailable) {
+ mRecordingFrameAvailable = true;
+ mRecordingFrameAvailableSignal.signal();
+ }
+
+}
+
+bool StreamingProcessor::threadLoop() {
+ status_t res;
+
+ {
+ Mutex::Autolock l(mMutex);
+ while (!mRecordingFrameAvailable) {
+ res = mRecordingFrameAvailableSignal.waitRelative(
+ mMutex, kWaitDuration);
+ if (res == TIMED_OUT) return true;
+ }
+ mRecordingFrameAvailable = false;
+ }
+
+ do {
+ res = processRecordingFrame();
+ } while (res == OK);
+
+ return true;
+}
+
+status_t StreamingProcessor::processRecordingFrame() {
+ ATRACE_CALL();
+ status_t res;
+ sp<Camera2Heap> recordingHeap;
+ size_t heapIdx = 0;
+ nsecs_t timestamp;
+
+ sp<Camera2Client> client = mClient.promote();
+ if (client == 0) {
+ // Discard frames during shutdown
+ BufferItemConsumer::BufferItem imgBuffer;
+ res = mRecordingConsumer->acquireBuffer(&imgBuffer, 0);
+ if (res != OK) {
+ if (res != BufferItemConsumer::NO_BUFFER_AVAILABLE) {
+ ALOGE("%s: Camera %d: Can't acquire recording buffer: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ }
+ return res;
+ }
+ mRecordingConsumer->releaseBuffer(imgBuffer);
+ return OK;
+ }
+
+ {
+ /* acquire SharedParameters before mMutex so we don't dead lock
+ with Camera2Client code calling into StreamingProcessor */
+ SharedParameters::Lock l(client->getParameters());
+ Mutex::Autolock m(mMutex);
+ BufferItemConsumer::BufferItem imgBuffer;
+ res = mRecordingConsumer->acquireBuffer(&imgBuffer, 0);
+ if (res != OK) {
+ if (res != BufferItemConsumer::NO_BUFFER_AVAILABLE) {
+ ALOGE("%s: Camera %d: Can't acquire recording buffer: %s (%d)",
+ __FUNCTION__, mId, strerror(-res), res);
+ }
+ return res;
+ }
+ timestamp = imgBuffer.mTimestamp;
+
+ mRecordingFrameCount++;
+ ALOGVV("OnRecordingFrame: Frame %d", mRecordingFrameCount);
+
+ if (l.mParameters.state != Parameters::RECORD &&
+ l.mParameters.state != Parameters::VIDEO_SNAPSHOT) {
+ ALOGV("%s: Camera %d: Discarding recording image buffers "
+ "received after recording done", __FUNCTION__,
+ mId);
+ mRecordingConsumer->releaseBuffer(imgBuffer);
+ return INVALID_OPERATION;
+ }
+
+ if (mRecordingHeap == 0) {
+ const size_t bufferSize = 4 + sizeof(buffer_handle_t);
+ ALOGV("%s: Camera %d: Creating recording heap with %d buffers of "
+ "size %d bytes", __FUNCTION__, mId,
+ mRecordingHeapCount, bufferSize);
+
+ mRecordingHeap = new Camera2Heap(bufferSize, mRecordingHeapCount,
+ "Camera2Client::RecordingHeap");
+ if (mRecordingHeap->mHeap->getSize() == 0) {
+ ALOGE("%s: Camera %d: Unable to allocate memory for recording",
+ __FUNCTION__, mId);
+ mRecordingConsumer->releaseBuffer(imgBuffer);
+ return NO_MEMORY;
+ }
+ for (size_t i = 0; i < mRecordingBuffers.size(); i++) {
+ if (mRecordingBuffers[i].mBuf !=
+ BufferItemConsumer::INVALID_BUFFER_SLOT) {
+ ALOGE("%s: Camera %d: Non-empty recording buffers list!",
+ __FUNCTION__, mId);
+ }
+ }
+ mRecordingBuffers.clear();
+ mRecordingBuffers.setCapacity(mRecordingHeapCount);
+ mRecordingBuffers.insertAt(0, mRecordingHeapCount);
+
+ mRecordingHeapHead = 0;
+ mRecordingHeapFree = mRecordingHeapCount;
+ }
+
+ if ( mRecordingHeapFree == 0) {
+ ALOGE("%s: Camera %d: No free recording buffers, dropping frame",
+ __FUNCTION__, mId);
+ mRecordingConsumer->releaseBuffer(imgBuffer);
+ return NO_MEMORY;
+ }
+
+ heapIdx = mRecordingHeapHead;
+ mRecordingHeapHead = (mRecordingHeapHead + 1) % mRecordingHeapCount;
+ mRecordingHeapFree--;
+
+ ALOGVV("%s: Camera %d: Timestamp %lld",
+ __FUNCTION__, mId, timestamp);
+
+ ssize_t offset;
+ size_t size;
+ sp<IMemoryHeap> heap =
+ mRecordingHeap->mBuffers[heapIdx]->getMemory(&offset,
+ &size);
+
+ uint8_t *data = (uint8_t*)heap->getBase() + offset;
+ uint32_t type = kMetadataBufferTypeGrallocSource;
+ *((uint32_t*)data) = type;
+ *((buffer_handle_t*)(data + 4)) = imgBuffer.mGraphicBuffer->handle;
+ ALOGVV("%s: Camera %d: Sending out buffer_handle_t %p",
+ __FUNCTION__, mId,
+ imgBuffer.mGraphicBuffer->handle);
+ mRecordingBuffers.replaceAt(imgBuffer, heapIdx);
+ recordingHeap = mRecordingHeap;
+ }
+
+ // Call outside locked parameters to allow re-entrancy from notification
+ Camera2Client::SharedCameraCallbacks::Lock l(client->mSharedCameraCallbacks);
+ if (l.mRemoteCallback != 0) {
+ l.mRemoteCallback->dataCallbackTimestamp(timestamp,
+ CAMERA_MSG_VIDEO_FRAME,
+ recordingHeap->mBuffers[heapIdx]);
+ } else {
+ ALOGW("%s: Camera %d: Remote callback gone", __FUNCTION__, mId);
+ }
+
+ return OK;
+}
+
+void StreamingProcessor::releaseRecordingFrame(const sp<IMemory>& mem) {
+ ATRACE_CALL();
+ status_t res;
+
+ Mutex::Autolock m(mMutex);
+ // Make sure this is for the current heap
+ ssize_t offset;
+ size_t size;
+ sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
+ if (heap->getHeapID() != mRecordingHeap->mHeap->getHeapID()) {
+ ALOGW("%s: Camera %d: Mismatched heap ID, ignoring release "
+ "(got %x, expected %x)", __FUNCTION__, mId,
+ heap->getHeapID(), mRecordingHeap->mHeap->getHeapID());
+ return;
+ }
+ uint8_t *data = (uint8_t*)heap->getBase() + offset;
+ uint32_t type = *(uint32_t*)data;
+ if (type != kMetadataBufferTypeGrallocSource) {
+ ALOGE("%s: Camera %d: Recording frame type invalid (got %x, expected %x)",
+ __FUNCTION__, mId, type,
+ kMetadataBufferTypeGrallocSource);
+ return;
+ }
+
+ // Release the buffer back to the recording queue
+
+ buffer_handle_t imgHandle = *(buffer_handle_t*)(data + 4);
+
+ size_t itemIndex;
+ for (itemIndex = 0; itemIndex < mRecordingBuffers.size(); itemIndex++) {
+ const BufferItemConsumer::BufferItem item =
+ mRecordingBuffers[itemIndex];
+ if (item.mBuf != BufferItemConsumer::INVALID_BUFFER_SLOT &&
+ item.mGraphicBuffer->handle == imgHandle) {
+ break;
+ }
+ }
+ if (itemIndex == mRecordingBuffers.size()) {
+ ALOGE("%s: Camera %d: Can't find buffer_handle_t %p in list of "
+ "outstanding buffers", __FUNCTION__, mId,
+ imgHandle);
+ return;
+ }
+
+ ALOGVV("%s: Camera %d: Freeing buffer_handle_t %p", __FUNCTION__,
+ mId, imgHandle);
+
+ res = mRecordingConsumer->releaseBuffer(mRecordingBuffers[itemIndex]);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to free recording frame "
+ "(buffer_handle_t: %p): %s (%d)", __FUNCTION__,
+ mId, imgHandle, strerror(-res), res);
+ return;
+ }
+ mRecordingBuffers.replaceAt(itemIndex);
+
+ mRecordingHeapFree++;
+ ALOGV_IF(mRecordingHeapFree == mRecordingHeapCount,
+ "%s: Camera %d: All %d recording buffers returned",
+ __FUNCTION__, mId, mRecordingHeapCount);
+}
+
+void StreamingProcessor::releaseAllRecordingFramesLocked() {
+ ATRACE_CALL();
+ status_t res;
+
+ if (mRecordingConsumer == 0) {
+ return;
+ }
+
+ ALOGV("%s: Camera %d: Releasing all recording buffers", __FUNCTION__,
+ mId);
+
+ size_t releasedCount = 0;
+ for (size_t itemIndex = 0; itemIndex < mRecordingBuffers.size(); itemIndex++) {
+ const BufferItemConsumer::BufferItem item =
+ mRecordingBuffers[itemIndex];
+ if (item.mBuf != BufferItemConsumer::INVALID_BUFFER_SLOT) {
+ res = mRecordingConsumer->releaseBuffer(mRecordingBuffers[itemIndex]);
+ if (res != OK) {
+ ALOGE("%s: Camera %d: Unable to free recording frame "
+ "(buffer_handle_t: %p): %s (%d)", __FUNCTION__,
+ mId, item.mGraphicBuffer->handle, strerror(-res), res);
+ }
+ mRecordingBuffers.replaceAt(itemIndex);
+ releasedCount++;
+ }
+ }
+
+ if (releasedCount > 0) {
+ ALOGW("%s: Camera %d: Force-freed %d outstanding buffers "
+ "from previous recording session", __FUNCTION__, mId, releasedCount);
+ ALOGE_IF(releasedCount != mRecordingHeapCount - mRecordingHeapFree,
+ "%s: Camera %d: Force-freed %d buffers, but expected %d",
+ __FUNCTION__, mId, releasedCount, mRecordingHeapCount - mRecordingHeapFree);
+ }
+
+ mRecordingHeapHead = 0;
+ mRecordingHeapFree = mRecordingHeapCount;
+}
+
+bool StreamingProcessor::isStreamActive(const Vector<int32_t> &streams,
+ int32_t recordingStreamId) {
+ for (size_t i = 0; i < streams.size(); i++) {
+ if (streams[i] == recordingStreamId) {
+ return true;
+ }
+ }
+ return false;
+}
+
+
+status_t StreamingProcessor::dump(int fd, const Vector<String16>& /*args*/) {
+ String8 result;
+
+ result.append(" Current requests:\n");
+ if (mPreviewRequest.entryCount() != 0) {
+ result.append(" Preview request:\n");
+ write(fd, result.string(), result.size());
+ mPreviewRequest.dump(fd, 2, 6);
+ result.clear();
+ } else {
+ result.append(" Preview request: undefined\n");
+ }
+
+ if (mRecordingRequest.entryCount() != 0) {
+ result = " Recording request:\n";
+ write(fd, result.string(), result.size());
+ mRecordingRequest.dump(fd, 2, 6);
+ result.clear();
+ } else {
+ result = " Recording request: undefined\n";
+ }
+
+ const char* streamTypeString[] = {
+ "none", "preview", "record"
+ };
+ result.append(String8::format(" Active request: %s (paused: %s)\n",
+ streamTypeString[mActiveRequest],
+ mPaused ? "yes" : "no"));
+
+ write(fd, result.string(), result.size());
+
+ return OK;
+}
+
+}; // namespace camera2
+}; // namespace android