summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/android_runtime/AndroidRuntime.h6
-rw-r--r--include/binder/CursorWindow.h200
-rw-r--r--include/media/stagefright/CameraSource.h38
-rw-r--r--include/media/stagefright/CameraSourceTimeLapse.h142
4 files changed, 372 insertions, 14 deletions
diff --git a/include/android_runtime/AndroidRuntime.h b/include/android_runtime/AndroidRuntime.h
index 97a96b2..2ded5be 100644
--- a/include/android_runtime/AndroidRuntime.h
+++ b/include/android_runtime/AndroidRuntime.h
@@ -30,7 +30,9 @@
namespace android {
-
+
+class CursorWindow;
+
class AndroidRuntime
{
public:
@@ -121,6 +123,8 @@ private:
// Returns the Unix file descriptor for a ParcelFileDescriptor object
extern int getParcelFileDescriptorFD(JNIEnv* env, jobject object);
+extern CursorWindow * get_window_from_object(JNIEnv * env, jobject javaWindow);
+
}
#endif
diff --git a/include/binder/CursorWindow.h b/include/binder/CursorWindow.h
new file mode 100644
index 0000000..4fbff2a
--- /dev/null
+++ b/include/binder/CursorWindow.h
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2006 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.
+ */
+
+#ifndef _ANDROID__DATABASE_WINDOW_H
+#define _ANDROID__DATABASE_WINDOW_H
+
+#include <cutils/log.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <binder/IMemory.h>
+#include <utils/RefBase.h>
+
+#define DEFAULT_WINDOW_SIZE 4096
+#define MAX_WINDOW_SIZE (1024 * 1024)
+#define WINDOW_ALLOCATION_SIZE 4096
+
+#define ROW_SLOT_CHUNK_NUM_ROWS 16
+
+// Row slots are allocated in chunks of ROW_SLOT_CHUNK_NUM_ROWS,
+// with an offset after the rows that points to the next chunk
+#define ROW_SLOT_CHUNK_SIZE ((ROW_SLOT_CHUNK_NUM_ROWS * sizeof(row_slot_t)) + sizeof(uint32_t))
+
+
+#if LOG_NDEBUG
+
+#define IF_LOG_WINDOW() if (false)
+#define LOG_WINDOW(...)
+
+#else
+
+#define IF_LOG_WINDOW() IF_LOG(LOG_DEBUG, "CursorWindow")
+#define LOG_WINDOW(...) LOG(LOG_DEBUG, "CursorWindow", __VA_ARGS__)
+
+#endif
+
+
+// When defined to true strings are stored as UTF8, otherwise they're UTF16
+#define WINDOW_STORAGE_UTF8 1
+
+// When defined to true numberic values are stored inline in the field_slot_t, otherwise they're allocated in the window
+#define WINDOW_STORAGE_INLINE_NUMERICS 1
+
+namespace android {
+
+typedef struct
+{
+ uint32_t numRows;
+ uint32_t numColumns;
+} window_header_t;
+
+typedef struct
+{
+ uint32_t offset;
+} row_slot_t;
+
+typedef struct
+{
+ uint8_t type;
+ union {
+ double d;
+ int64_t l;
+ struct {
+ uint32_t offset;
+ uint32_t size;
+ } buffer;
+ } data;
+} __attribute__((packed)) field_slot_t;
+
+#define FIELD_TYPE_NULL 0
+#define FIELD_TYPE_INTEGER 1
+#define FIELD_TYPE_FLOAT 2
+#define FIELD_TYPE_STRING 3
+#define FIELD_TYPE_BLOB 4
+
+/**
+ * This class stores a set of rows from a database in a buffer. The begining of the
+ * window has first chunk of row_slot_ts, which are offsets to the row directory, followed by
+ * an offset to the next chunk in a linked-list of additional chunk of row_slot_ts in case
+ * the pre-allocated chunk isn't big enough to refer to all rows. Each row directory has a
+ * field_slot_t per column, which has the size, offset, and type of the data for that field.
+ * Note that the data types come from sqlite3.h.
+ */
+class CursorWindow
+{
+public:
+ CursorWindow(size_t maxSize);
+ CursorWindow(){}
+ bool setMemory(const sp<IMemory>&);
+ ~CursorWindow();
+
+ bool initBuffer(bool localOnly);
+ sp<IMemory> getMemory() {return mMemory;}
+
+ size_t size() {return mSize;}
+ uint8_t * data() {return mData;}
+ uint32_t getNumRows() {return mHeader->numRows;}
+ uint32_t getNumColumns() {return mHeader->numColumns;}
+ void freeLastRow() {
+ if (mHeader->numRows > 0) {
+ mHeader->numRows--;
+ }
+ }
+ bool setNumColumns(uint32_t numColumns)
+ {
+ uint32_t cur = mHeader->numColumns;
+ if (cur > 0 && cur != numColumns) {
+ LOGE("Trying to go from %d columns to %d", cur, numColumns);
+ return false;
+ }
+ mHeader->numColumns = numColumns;
+ return true;
+ }
+
+ int32_t freeSpace();
+
+ void clear();
+
+ /**
+ * Allocate a row slot and its directory. The returned
+ * pointer points to the begining of the row's directory
+ * or NULL if there wasn't room. The directory is
+ * initialied with NULL entries for each field.
+ */
+ field_slot_t * allocRow();
+
+ /**
+ * Allocate a portion of the window. Returns the offset
+ * of the allocation, or 0 if there isn't enough space.
+ * If aligned is true, the allocation gets 4 byte alignment.
+ */
+ uint32_t alloc(size_t size, bool aligned = false);
+
+ uint32_t read_field_slot(int row, int column, field_slot_t * slot);
+
+ /**
+ * Copy data into the window at the given offset.
+ */
+ void copyIn(uint32_t offset, uint8_t const * data, size_t size);
+ void copyIn(uint32_t offset, int64_t data);
+ void copyIn(uint32_t offset, double data);
+
+ void copyOut(uint32_t offset, uint8_t * data, size_t size);
+ int64_t copyOutLong(uint32_t offset);
+ double copyOutDouble(uint32_t offset);
+
+ bool putLong(unsigned int row, unsigned int col, int64_t value);
+ bool putDouble(unsigned int row, unsigned int col, double value);
+ bool putNull(unsigned int row, unsigned int col);
+
+ bool getLong(unsigned int row, unsigned int col, int64_t * valueOut);
+ bool getDouble(unsigned int row, unsigned int col, double * valueOut);
+ bool getNull(unsigned int row, unsigned int col, bool * valueOut);
+
+ uint8_t * offsetToPtr(uint32_t offset) {return mData + offset;}
+
+ row_slot_t * allocRowSlot();
+
+ row_slot_t * getRowSlot(int row);
+
+ /**
+ * return NULL if Failed to find rowSlot or
+ * Invalid rowSlot
+ */
+ field_slot_t * getFieldSlotWithCheck(int row, int column);
+ field_slot_t * getFieldSlot(int row, int column)
+ {
+ int fieldDirOffset = getRowSlot(row)->offset;
+ return ((field_slot_t *)offsetToPtr(fieldDirOffset)) + column;
+ }
+
+private:
+ uint8_t * mData;
+ size_t mSize;
+ size_t mMaxSize;
+ window_header_t * mHeader;
+ sp<IMemory> mMemory;
+
+ /**
+ * Offset of the lowest unused data byte in the array.
+ */
+ uint32_t mFreeOffset;
+};
+
+}; // namespace android
+
+#endif
diff --git a/include/media/stagefright/CameraSource.h b/include/media/stagefright/CameraSource.h
index 3192d03..ed5f09f 100644
--- a/include/media/stagefright/CameraSource.h
+++ b/include/media/stagefright/CameraSource.h
@@ -22,7 +22,6 @@
#include <media/stagefright/MediaSource.h>
#include <utils/List.h>
#include <utils/RefBase.h>
-#include <utils/threads.h>
namespace android {
@@ -47,12 +46,34 @@ public:
virtual void signalBufferReturned(MediaBuffer* buffer);
-private:
- friend class CameraSourceListener;
-
+protected:
sp<Camera> mCamera;
sp<MetaData> mMeta;
+ int64_t mStartTimeUs;
+ int32_t mNumFramesReceived;
+ int64_t mLastFrameTimestampUs;
+ bool mStarted;
+
+ CameraSource(const sp<Camera> &camera);
+
+ virtual void startCameraRecording();
+ virtual void stopCameraRecording();
+ virtual void releaseRecordingFrame(const sp<IMemory>& frame);
+
+ // Returns true if need to skip the current frame.
+ // Called from dataCallbackTimestamp.
+ virtual bool skipCurrentFrame(int64_t timestampUs) {return false;}
+
+ // Callback called when still camera raw data is available.
+ virtual void dataCallback(int32_t msgType, const sp<IMemory> &data) {}
+
+ virtual void dataCallbackTimestamp(int64_t timestampUs, int32_t msgType,
+ const sp<IMemory> &data);
+
+private:
+ friend class CameraSourceListener;
+
Mutex mLock;
Condition mFrameAvailableCondition;
Condition mFrameCompleteCondition;
@@ -60,21 +81,12 @@ private:
List<sp<IMemory> > mFramesBeingEncoded;
List<int64_t> mFrameTimes;
- int64_t mStartTimeUs;
int64_t mFirstFrameTimeUs;
- int64_t mLastFrameTimestampUs;
- int32_t mNumFramesReceived;
int32_t mNumFramesEncoded;
int32_t mNumFramesDropped;
int32_t mNumGlitches;
int64_t mGlitchDurationThresholdUs;
bool mCollectStats;
- bool mStarted;
-
- CameraSource(const sp<Camera> &camera);
-
- void dataCallbackTimestamp(
- int64_t timestampUs, int32_t msgType, const sp<IMemory> &data);
void releaseQueuedFrames();
void releaseOneRecordingFrame(const sp<IMemory>& frame);
diff --git a/include/media/stagefright/CameraSourceTimeLapse.h b/include/media/stagefright/CameraSourceTimeLapse.h
new file mode 100644
index 0000000..f153f09
--- /dev/null
+++ b/include/media/stagefright/CameraSourceTimeLapse.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef CAMERA_SOURCE_TIME_LAPSE_H_
+
+#define CAMERA_SOURCE_TIME_LAPSE_H_
+
+#include <pthread.h>
+
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class ICamera;
+class IMemory;
+class Camera;
+
+class CameraSourceTimeLapse : public CameraSource {
+public:
+ static CameraSourceTimeLapse *Create(bool useStillCameraForTimeLapse,
+ int64_t timeBetweenTimeLapseFrameCaptureUs,
+ int32_t videoFrameRate);
+
+ static CameraSourceTimeLapse *CreateFromCamera(const sp<Camera> &camera,
+ bool useStillCameraForTimeLapse,
+ int64_t timeBetweenTimeLapseFrameCaptureUs,
+ int32_t videoFrameRate);
+
+ virtual ~CameraSourceTimeLapse();
+
+private:
+ // If true, will use still camera takePicture() for time lapse frames
+ // If false, will use the videocamera frames instead.
+ bool mUseStillCameraForTimeLapse;
+
+ // Time between capture of two frames during time lapse recording
+ // Negative value indicates that timelapse is disabled.
+ int64_t mTimeBetweenTimeLapseFrameCaptureUs;
+
+ // Time between two frames in final video (1/frameRate)
+ int64_t mTimeBetweenTimeLapseVideoFramesUs;
+
+ // Real timestamp of the last encoded time lapse frame
+ int64_t mLastTimeLapseFrameRealTimestampUs;
+
+ // Thread id of thread which takes still picture and sleeps in a loop.
+ pthread_t mThreadTimeLapse;
+
+ // Variable set in dataCallbackTimestamp() to help skipCurrentFrame()
+ // to know if current frame needs to be skipped.
+ bool mSkipCurrentFrame;
+
+ // True if camera is in preview mode and ready for takePicture().
+ bool mCameraIdle;
+
+ CameraSourceTimeLapse(const sp<Camera> &camera,
+ bool useStillCameraForTimeLapse,
+ int64_t timeBetweenTimeLapseFrameCaptureUs,
+ int32_t videoFrameRate);
+
+ // For still camera case starts a thread which calls camera's takePicture()
+ // in a loop. For video camera case, just starts the camera's video recording.
+ virtual void startCameraRecording();
+
+ // For still camera case joins the thread created in startCameraRecording().
+ // For video camera case, just stops the camera's video recording.
+ virtual void stopCameraRecording();
+
+ // For still camera case don't need to do anything as memory is locally
+ // allocated with refcounting.
+ // For video camera case just tell the camera to release the frame.
+ virtual void releaseRecordingFrame(const sp<IMemory>& frame);
+
+ // mSkipCurrentFrame is set to true in dataCallbackTimestamp() if the current
+ // frame needs to be skipped and this function just returns the value of mSkipCurrentFrame.
+ virtual bool skipCurrentFrame(int64_t timestampUs);
+
+ // Handles the callback to handle raw frame data from the still camera.
+ // Creates a copy of the frame data as the camera can reuse the frame memory
+ // once this callback returns. The function also sets a new timstamp corresponding
+ // to one frame time ahead of the last encoded frame's time stamp. It then
+ // calls dataCallbackTimestamp() of the base class with the copied data and the
+ // modified timestamp, which will think that it recieved the frame from a video
+ // camera and proceed as usual.
+ virtual void dataCallback(int32_t msgType, const sp<IMemory> &data);
+
+ // In the video camera case calls skipFrameAndModifyTimeStamp() to modify
+ // timestamp and set mSkipCurrentFrame.
+ // Then it calls the base CameraSource::dataCallbackTimestamp()
+ virtual void dataCallbackTimestamp(int64_t timestampUs, int32_t msgType,
+ const sp<IMemory> &data);
+
+ // When video camera is used for time lapse capture, returns true
+ // until enough time has passed for the next time lapse frame. When
+ // the frame needs to be encoded, it returns false and also modifies
+ // the time stamp to be one frame time ahead of the last encoded
+ // frame's time stamp.
+ bool skipFrameAndModifyTimeStamp(int64_t *timestampUs);
+
+ // Wrapper to enter threadTimeLapseEntry()
+ static void *ThreadTimeLapseWrapper(void *me);
+
+ // Runs a loop which sleeps until a still picture is required
+ // and then calls mCamera->takePicture() to take the still picture.
+ // Used only in the case mUseStillCameraForTimeLapse = true.
+ void threadTimeLapseEntry();
+
+ // Wrapper to enter threadStartPreview()
+ static void *ThreadStartPreviewWrapper(void *me);
+
+ // Starts the camera's preview.
+ void threadStartPreview();
+
+ // Starts thread ThreadStartPreviewWrapper() for restarting preview.
+ // Needs to be done in a thread so that dataCallback() which calls this function
+ // can return, and the camera can know that takePicture() is done.
+ void restartPreview();
+
+ // Creates a copy of source_data into a new memory of final type MemoryBase.
+ sp<IMemory> createIMemoryCopy(const sp<IMemory> &source_data);
+
+ CameraSourceTimeLapse(const CameraSourceTimeLapse &);
+ CameraSourceTimeLapse &operator=(const CameraSourceTimeLapse &);
+};
+
+} // namespace android
+
+#endif // CAMERA_SOURCE_TIME_LAPSE_H_
generated by cgit v1.1 at 2024-09-19 19:10:37 +0000