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Diffstat (limited to 'camera/inc/Encoder_libjpeg.h')
| -rw-r--r-- | camera/inc/Encoder_libjpeg.h | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/camera/inc/Encoder_libjpeg.h b/camera/inc/Encoder_libjpeg.h deleted file mode 100644 index 72feb08..0000000 --- a/camera/inc/Encoder_libjpeg.h +++ /dev/null @@ -1,226 +0,0 @@ -/* - * Copyright (C) Texas Instruments - http://www.ti.com/ - * - * 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. - */ - -/** -* @file Encoder_libjpeg.h -* -* This defines API for camerahal to encode YUV using libjpeg -* -*/ - -#ifndef ANDROID_CAMERA_HARDWARE_ENCODER_LIBJPEG_H -#define ANDROID_CAMERA_HARDWARE_ENCODER_LIBJPEG_H - -#include <utils/threads.h> -#include <utils/RefBase.h> - -extern "C" { -#include "jhead.h" - -#undef TRUE -#undef FALSE - -} - -#include "CameraHal.h" - -#define CANCEL_TIMEOUT 5000000 // 5 seconds - -namespace Ti { -namespace Camera { - -/** - * libjpeg encoder class - uses libjpeg to encode yuv - */ - -#define MAX_EXIF_TAGS_SUPPORTED 30 -typedef void (*encoder_libjpeg_callback_t) (void* main_jpeg, - void* thumb_jpeg, - CameraFrame::FrameType type, - void* cookie1, - void* cookie2, - void* cookie3, - void* cookie4, - bool canceled); - -// these have to match strings defined in external/jhead/exif.c -static const char TAG_MODEL[] = "Model"; -static const char TAG_MAKE[] = "Make"; -static const char TAG_FOCALLENGTH[] = "FocalLength"; -static const char TAG_DATETIME[] = "DateTime"; -static const char TAG_IMAGE_WIDTH[] = "ImageWidth"; -static const char TAG_IMAGE_LENGTH[] = "ImageLength"; -static const char TAG_GPS_LAT[] = "GPSLatitude"; -static const char TAG_GPS_LAT_REF[] = "GPSLatitudeRef"; -static const char TAG_GPS_LONG[] = "GPSLongitude"; -static const char TAG_GPS_LONG_REF[] = "GPSLongitudeRef"; -static const char TAG_GPS_ALT[] = "GPSAltitude"; -static const char TAG_GPS_ALT_REF[] = "GPSAltitudeRef"; -static const char TAG_GPS_MAP_DATUM[] = "GPSMapDatum"; -static const char TAG_GPS_PROCESSING_METHOD[] = "GPSProcessingMethod"; -static const char TAG_GPS_VERSION_ID[] = "GPSVersionID"; -static const char TAG_GPS_TIMESTAMP[] = "GPSTimeStamp"; -static const char TAG_GPS_DATESTAMP[] = "GPSDateStamp"; -static const char TAG_ORIENTATION[] = "Orientation"; -static const char TAG_FLASH[] = "Flash"; -static const char TAG_DIGITALZOOMRATIO[] = "DigitalZoomRatio"; -static const char TAG_EXPOSURETIME[] = "ExposureTime"; -static const char TAG_APERTURE[] = "ApertureValue"; -static const char TAG_ISO_EQUIVALENT[] = "ISOSpeedRatings"; -static const char TAG_WHITEBALANCE[] = "WhiteBalance"; -static const char TAG_LIGHT_SOURCE[] = "LightSource"; -static const char TAG_METERING_MODE[] = "MeteringMode"; -static const char TAG_EXPOSURE_PROGRAM[] = "ExposureProgram"; -static const char TAG_COLOR_SPACE[] = "ColorSpace"; -static const char TAG_CPRS_BITS_PER_PIXEL[] = "CompressedBitsPerPixel"; -static const char TAG_FNUMBER[] = "FNumber"; -static const char TAG_SHUTTERSPEED[] = "ShutterSpeedValue"; -static const char TAG_SENSING_METHOD[] = "SensingMethod"; -static const char TAG_CUSTOM_RENDERED[] = "CustomRendered"; - -class ExifElementsTable { - public: - ExifElementsTable() : - gps_tag_count(0), exif_tag_count(0), position(0), - jpeg_opened(false) - { -#ifdef ANDROID_API_JB_OR_LATER - has_datetime_tag = false; -#endif - } - ~ExifElementsTable(); - - status_t insertElement(const char* tag, const char* value); - void insertExifToJpeg(unsigned char* jpeg, size_t jpeg_size); - status_t insertExifThumbnailImage(const char*, int); - void saveJpeg(unsigned char* picture, size_t jpeg_size); - static const char* degreesToExifOrientation(unsigned int); - static void stringToRational(const char*, unsigned int*, unsigned int*); - static bool isAsciiTag(const char* tag); - private: - ExifElement_t table[MAX_EXIF_TAGS_SUPPORTED]; - unsigned int gps_tag_count; - unsigned int exif_tag_count; - unsigned int position; - bool jpeg_opened; -#ifdef ANDROID_API_JB_OR_LATER - bool has_datetime_tag; -#endif -}; - -class Encoder_libjpeg : public android::Thread { - /* public member types and variables */ - public: - struct params { - uint8_t* src; - int src_size; - uint8_t* dst; - int dst_size; - int quality; - int in_width; - int in_height; - int out_width; - int out_height; - int right_crop; - int start_offset; - const char* format; - size_t jpeg_size; - }; - /* public member functions */ - public: - Encoder_libjpeg(params* main_jpeg, - params* tn_jpeg, - encoder_libjpeg_callback_t cb, - CameraFrame::FrameType type, - void* cookie1, - void* cookie2, - void* cookie3, void *cookie4) - : android::Thread(false), mMainInput(main_jpeg), mThumbnailInput(tn_jpeg), mCb(cb), - mCancelEncoding(false), mCookie1(cookie1), mCookie2(cookie2), mCookie3(cookie3), mCookie4(cookie4), - mType(type), mThumb(NULL) { - this->incStrong(this); - mCancelSem.Create(0); - } - - ~Encoder_libjpeg() { - CAMHAL_LOGVB("~Encoder_libjpeg(%p)", this); - } - - virtual bool threadLoop() { - size_t size = 0; - if (mThumbnailInput) { - // start thread to encode thumbnail - mThumb = new Encoder_libjpeg(mThumbnailInput, NULL, NULL, mType, NULL, NULL, NULL, NULL); - mThumb->run(); - } - - // encode our main image - size = encode(mMainInput); - - // signal cancel semaphore incase somebody is waiting - mCancelSem.Signal(); - - // check if it is main jpeg thread - if(mThumb.get()) { - // wait until tn jpeg thread exits. - mThumb->join(); - mThumb.clear(); - mThumb = NULL; - } - - if(mCb) { - mCb(mMainInput, mThumbnailInput, mType, mCookie1, mCookie2, mCookie3, mCookie4, mCancelEncoding); - } - - // encoder thread runs, self-destructs, and then exits - this->decStrong(this); - return false; - } - - void cancel() { - mCancelEncoding = true; - if (mThumb.get()) { - mThumb->cancel(); - mCancelSem.WaitTimeout(CANCEL_TIMEOUT); - } - } - - void getCookies(void **cookie1, void **cookie2, void **cookie3) { - if (cookie1) *cookie1 = mCookie1; - if (cookie2) *cookie2 = mCookie2; - if (cookie3) *cookie3 = mCookie3; - } - - private: - params* mMainInput; - params* mThumbnailInput; - encoder_libjpeg_callback_t mCb; - bool mCancelEncoding; - void* mCookie1; - void* mCookie2; - void* mCookie3; - void* mCookie4; - CameraFrame::FrameType mType; - android::sp<Encoder_libjpeg> mThumb; - Utils::Semaphore mCancelSem; - - size_t encode(params*); -}; - -} // namespace Camera -} // namespace Ti - -#endif |