exynos3: initial commit
Patch Set 2: removed unused files,
as audio, camera and sensors are device specific
Patch Set 3: aries OMX
Patch Set 5: liblight patch for epic
Patch Set 9: liblight(s) is device specific, rmed it from here.
Change-Id: I57a3d5714037836bab441ee5a3e772c260fb21d4
diff --git a/exynos3/s5pc110/libs3cjpeg/JpegEncoder.cpp b/exynos3/s5pc110/libs3cjpeg/JpegEncoder.cpp
new file mode 100644
index 0000000..d2b6a6f
--- /dev/null
+++ b/exynos3/s5pc110/libs3cjpeg/JpegEncoder.cpp
@@ -0,0 +1,796 @@
+/*
+ * Copyright Samsung Electronics Co.,LTD.
+ * 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.
+ *
+ * JPEG DRIVER MODULE (JpegEncoder.cpp)
+ * Author : ge.lee -- initial version
+ * Date : 03 June 2010
+ * Purpose : This file implements the JPEG encoder APIs as needed by Camera HAL
+ */
+#define LOG_TAG "JpegEncoder"
+#define MAIN_DUMP 0
+#define THUMB_DUMP 0
+
+#include <utils/Log.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+
+#include "JpegEncoder.h"
+
+static const char ExifAsciiPrefix[] = { 0x41, 0x53, 0x43, 0x49, 0x49, 0x0, 0x0, 0x0 };
+
+namespace android {
+JpegEncoder::JpegEncoder() : available(false)
+{
+ mArgs.mmapped_addr = (char *)MAP_FAILED;
+ mArgs.enc_param = NULL;
+ mArgs.thumb_enc_param = NULL;
+
+ mDevFd = open(JPG_DRIVER_NAME, O_RDWR);
+ if (mDevFd < 0) {
+ ALOGE("Failed to open the device");
+ return;
+ }
+
+ mArgs.mmapped_addr = (char *)mmap(0,
+ JPG_TOTAL_BUF_SIZE,
+ PROT_READ | PROT_WRITE,
+ MAP_SHARED,
+ mDevFd,
+ 0);
+
+ if (mArgs.mmapped_addr == MAP_FAILED) {
+ ALOGE("Failed to mmap");
+ return;
+ }
+
+ mArgs.enc_param = new jpg_enc_proc_param;
+ if (mArgs.enc_param == NULL) {
+ ALOGE("Failed to allocate the memory for enc_param");
+ return;
+ }
+ memset(mArgs.enc_param, 0, sizeof(jpg_enc_proc_param));
+
+ mArgs.thumb_enc_param = new jpg_enc_proc_param;
+ if (mArgs.thumb_enc_param == NULL) {
+ ALOGE("Failed to allocate the memory for thumb_enc_param");
+ delete mArgs.enc_param;
+ return;
+ }
+ memset(mArgs.thumb_enc_param, 0, sizeof(jpg_enc_proc_param));
+
+ mArgs.enc_param->sample_mode = JPG_420;
+ mArgs.enc_param->enc_type = JPG_MAIN;
+ mArgs.thumb_enc_param->sample_mode = JPG_420;
+ mArgs.thumb_enc_param->enc_type = JPG_THUMBNAIL;
+
+ available = true;
+}
+
+JpegEncoder::~JpegEncoder()
+{
+ if (mArgs.mmapped_addr != (char*)MAP_FAILED)
+ munmap(mArgs.mmapped_addr, JPG_TOTAL_BUF_SIZE);
+
+ delete mArgs.enc_param;
+
+ delete mArgs.thumb_enc_param;
+
+ if (mDevFd > 0)
+ close(mDevFd);
+}
+
+jpg_return_status JpegEncoder::setConfig(jpeg_conf type, int32_t value)
+{
+ if (!available)
+ return JPG_FAIL;
+
+ jpg_return_status ret = JPG_SUCCESS;
+
+ switch (type) {
+ case JPEG_SET_ENCODE_WIDTH:
+ if (value < 0 || value > MAX_JPG_WIDTH)
+ ret = JPG_FAIL;
+ else
+ mArgs.enc_param->width = value;
+ break;
+
+ case JPEG_SET_ENCODE_HEIGHT:
+ if (value < 0 || value > MAX_JPG_HEIGHT)
+ ret = JPG_FAIL;
+ else
+ mArgs.enc_param->height = value;
+ break;
+
+ case JPEG_SET_ENCODE_QUALITY:
+ if (value < JPG_QUALITY_LEVEL_1 || value > JPG_QUALITY_LEVEL_4)
+ ret = JPG_FAIL;
+ else
+ mArgs.enc_param->quality = (image_quality_type_t)value;
+ break;
+
+ case JPEG_SET_ENCODE_IN_FORMAT:
+ if (value != JPG_MODESEL_YCBCR && value != JPG_MODESEL_RGB) {
+ ret = JPG_FAIL;
+ } else {
+ mArgs.enc_param->in_format = (in_mode_t)value;
+ mArgs.thumb_enc_param->in_format = (in_mode_t)value;
+ }
+ break;
+
+ case JPEG_SET_SAMPING_MODE:
+ if (value != JPG_420 && value != JPG_422) {
+ ret = JPG_FAIL;
+ } else {
+ mArgs.enc_param->sample_mode = (sample_mode_t)value;
+ mArgs.thumb_enc_param->sample_mode = (sample_mode_t)value;
+ }
+ break;
+
+ case JPEG_SET_THUMBNAIL_WIDTH:
+ if (value < 0 || value > MAX_JPG_THUMBNAIL_WIDTH)
+ ret = JPG_FAIL;
+ else
+ mArgs.thumb_enc_param->width = value;
+ break;
+
+ case JPEG_SET_THUMBNAIL_HEIGHT:
+ if (value < 0 || value > MAX_JPG_THUMBNAIL_HEIGHT)
+ ret = JPG_FAIL;
+ else
+ mArgs.thumb_enc_param->height = value;
+ break;
+
+ default:
+ ALOGE("Invalid Config type");
+ ret = ERR_UNKNOWN;
+ }
+
+ if (ret == JPG_FAIL)
+ ALOGE("Invalid value(%d) for %d type", value, type);
+
+ return ret;
+}
+
+void* JpegEncoder::getInBuf(uint64_t size)
+{
+ if (!available)
+ return NULL;
+
+ if (size > JPG_FRAME_BUF_SIZE) {
+ ALOGE("The buffer size requested is too large");
+ return NULL;
+ }
+ mArgs.in_buf = (char *)ioctl(mDevFd, IOCTL_JPG_GET_FRMBUF, mArgs.mmapped_addr);
+ return (void *)(mArgs.in_buf);
+}
+
+void* JpegEncoder::getOutBuf(uint64_t *size)
+{
+ if (!available)
+ return NULL;
+
+ if (mArgs.enc_param->file_size <= 0) {
+ ALOGE("The buffer requested doesn't have data");
+ return NULL;
+ }
+ mArgs.out_buf = (char *)ioctl(mDevFd, IOCTL_JPG_GET_STRBUF, mArgs.mmapped_addr);
+ *size = mArgs.enc_param->file_size;
+ return (void *)(mArgs.out_buf);
+}
+
+void* JpegEncoder::getThumbInBuf(uint64_t size)
+{
+ if (!available)
+ return NULL;
+
+ if (size > JPG_FRAME_THUMB_BUF_SIZE) {
+ ALOGE("The buffer size requested is too large");
+ return NULL;
+ }
+ mArgs.in_thumb_buf = (char *)ioctl(mDevFd, IOCTL_JPG_GET_THUMB_FRMBUF, mArgs.mmapped_addr);
+ return (void *)(mArgs.in_thumb_buf);
+}
+
+void* JpegEncoder::getThumbOutBuf(uint64_t *size)
+{
+ if (!available)
+ return NULL;
+
+ if (mArgs.thumb_enc_param->file_size <= 0) {
+ ALOGE("The buffer requested doesn't have data");
+ return NULL;
+ }
+ mArgs.out_thumb_buf = (char *)ioctl(mDevFd, IOCTL_JPG_GET_THUMB_STRBUF, mArgs.mmapped_addr);
+ *size = mArgs.thumb_enc_param->file_size;
+ return (void *)(mArgs.out_thumb_buf);
+}
+
+jpg_return_status JpegEncoder::encode(unsigned int *size, exif_attribute_t *exifInfo)
+{
+ if (!available)
+ return JPG_FAIL;
+
+ ALOGD("encode E");
+
+ jpg_return_status ret = JPG_FAIL;
+ unsigned char *exifOut = NULL;
+ jpg_enc_proc_param *param = mArgs.enc_param;
+
+ ret = checkMcu(param->sample_mode, param->width, param->height, false);
+ if (ret != JPG_SUCCESS)
+ return ret;
+
+ param->enc_type = JPG_MAIN;
+ ret = (jpg_return_status)ioctl(mDevFd, IOCTL_JPG_ENCODE, &mArgs);
+ if (ret != JPG_SUCCESS) {
+ ALOGE("Failed to encode main image");
+ return ret;
+ }
+
+ mArgs.out_buf = (char *)ioctl(mDevFd, IOCTL_JPG_GET_STRBUF, mArgs.mmapped_addr);
+
+ if (exifInfo) {
+ unsigned int thumbLen, exifLen;
+
+ uint_t bufSize = 0;
+ if (exifInfo->enableThumb) {
+ ret = encodeThumbImg(&thumbLen);
+ if (ret != JPG_SUCCESS) {
+ ALOGE("Failed to encode for thumbnail image");
+ bufSize = EXIF_FILE_SIZE;
+ exifInfo->enableThumb = false;
+ } else {
+ bufSize = EXIF_FILE_SIZE + thumbLen;
+ }
+ } else {
+ bufSize = EXIF_FILE_SIZE;
+ }
+
+ if (mArgs.enc_param->file_size + bufSize > JPG_TOTAL_BUF_SIZE)
+ return ret;
+
+ exifOut = new unsigned char[bufSize];
+ if (exifOut == NULL) {
+ ALOGE("Failed to allocate for exifOut");
+ return ret;
+ }
+ memset(exifOut, 0, bufSize);
+
+ ret = makeExif (exifOut, exifInfo, &exifLen);
+ if (ret != JPG_SUCCESS) {
+ ALOGE("Failed to make EXIF");
+ delete[] exifOut;
+ return ret;
+ }
+
+ memmove(&mArgs.out_buf[exifLen + 2], &mArgs.out_buf[2], param->file_size - 2);
+ memcpy(&mArgs.out_buf[2], exifOut, exifLen);
+ param->file_size += exifLen;
+ }
+
+ delete[] exifOut;
+
+ *size = param->file_size;
+
+#if MAIN_DUMP
+ FILE *fout = NULL;
+ char file_name[50] = "/data/main.jpg";
+ fout = fopen(file_name, "wb");
+ if (!fout)
+ perror(&file_name[0]);
+ size_t nwrite = fwrite(mArgs.out_buf, sizeof(char), param->file_size, fout);
+ fclose(fout);
+#endif
+
+ ALOGD("encode X");
+
+ return ret;
+}
+
+jpg_return_status JpegEncoder::encodeThumbImg(unsigned int *size, bool useMain)
+{
+ if (!available)
+ return JPG_FAIL;
+
+ ALOGD("encodeThumbImg E");
+
+ jpg_return_status ret = JPG_FAIL;
+ jpg_enc_proc_param *param = mArgs.thumb_enc_param;
+
+ if (useMain) {
+ mArgs.in_thumb_buf = (char *)getThumbInBuf(param->width*param->height*2);
+ if (mArgs.in_thumb_buf == NULL) {
+ ALOGE("Failed to get the buffer for thumbnail");
+ return JPG_FAIL;
+ }
+
+ ret = (jpg_return_status)scaleDownYuv422(mArgs.in_buf,
+ mArgs.enc_param->width,
+ mArgs.enc_param->height,
+ mArgs.in_thumb_buf,
+ param->width,
+ param->height);
+ if (ret != JPG_SUCCESS)
+ return JPG_FAIL;
+ }
+
+ ret = checkMcu(param->sample_mode, param->width, param->height, true);
+ if (ret != JPG_SUCCESS)
+ return JPG_FAIL;
+
+ mArgs.enc_param->enc_type = JPG_THUMBNAIL;
+ ret = (jpg_return_status)ioctl(mDevFd, IOCTL_JPG_ENCODE, &mArgs);
+ if (ret != JPG_SUCCESS) {
+ ALOGE("Failed to encode for thumbnail");
+ return JPG_FAIL;
+ }
+
+ mArgs.out_thumb_buf = (char *)ioctl(mDevFd, IOCTL_JPG_GET_THUMB_STRBUF, mArgs.mmapped_addr);
+
+#if THUMB_DUMP
+ FILE *fout = NULL;
+ char file_name[50] = "/data/thumb.jpg";
+ fout = fopen(file_name, "wb");
+ if (!fout)
+ perror(&file_name[0]);
+ size_t nwrite = fwrite(mArgs.out_thumb_buf, sizeof(char), param->file_size, fout);
+ fclose(fout);
+#endif
+
+ ALOGD("encodeThumbImg X");
+
+ return JPG_SUCCESS;
+}
+
+jpg_return_status JpegEncoder::makeExif (unsigned char *exifOut,
+ exif_attribute_t *exifInfo,
+ unsigned int *size,
+ bool useMainbufForThumb)
+{
+ if (!available)
+ return JPG_FAIL;
+
+ ALOGD("makeExif E");
+
+ unsigned char *pCur, *pApp1Start, *pIfdStart, *pGpsIfdPtr, *pNextIfdOffset;
+ unsigned int tmp, LongerTagOffest = 0;
+ pApp1Start = pCur = exifOut;
+
+ //2 Exif Identifier Code & TIFF Header
+ pCur += 4; // Skip 4 Byte for APP1 marker and length
+ unsigned char ExifIdentifierCode[6] = { 0x45, 0x78, 0x69, 0x66, 0x00, 0x00 };
+ memcpy(pCur, ExifIdentifierCode, 6);
+ pCur += 6;
+
+ /* Byte Order - little endian, Offset of IFD - 0x00000008.H */
+ unsigned char TiffHeader[8] = { 0x49, 0x49, 0x2A, 0x00, 0x08, 0x00, 0x00, 0x00 };
+ memcpy(pCur, TiffHeader, 8);
+ pIfdStart = pCur;
+ pCur += 8;
+
+ //2 0th IFD TIFF Tags
+ if (exifInfo->enableGps)
+ tmp = NUM_0TH_IFD_TIFF;
+ else
+ tmp = NUM_0TH_IFD_TIFF - 1;
+
+ memcpy(pCur, &tmp, NUM_SIZE);
+ pCur += NUM_SIZE;
+
+ LongerTagOffest += 8 + NUM_SIZE + tmp*IFD_SIZE + OFFSET_SIZE;
+
+ writeExifIfd(&pCur, EXIF_TAG_IMAGE_WIDTH, EXIF_TYPE_LONG,
+ 1, exifInfo->width);
+ writeExifIfd(&pCur, EXIF_TAG_IMAGE_HEIGHT, EXIF_TYPE_LONG,
+ 1, exifInfo->height);
+ writeExifIfd(&pCur, EXIF_TAG_MAKE, EXIF_TYPE_ASCII,
+ strlen((char *)exifInfo->maker) + 1, exifInfo->maker, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_MODEL, EXIF_TYPE_ASCII,
+ strlen((char *)exifInfo->model) + 1, exifInfo->model, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_ORIENTATION, EXIF_TYPE_SHORT,
+ 1, exifInfo->orientation);
+ writeExifIfd(&pCur, EXIF_TAG_SOFTWARE, EXIF_TYPE_ASCII,
+ strlen((char *)exifInfo->software) + 1, exifInfo->software, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_DATE_TIME, EXIF_TYPE_ASCII,
+ 20, exifInfo->date_time, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_YCBCR_POSITIONING, EXIF_TYPE_SHORT,
+ 1, exifInfo->ycbcr_positioning);
+ writeExifIfd(&pCur, EXIF_TAG_EXIF_IFD_POINTER, EXIF_TYPE_LONG,
+ 1, LongerTagOffest);
+ if (exifInfo->enableGps) {
+ pGpsIfdPtr = pCur;
+ pCur += IFD_SIZE; // Skip a ifd size for gps IFD pointer
+ }
+
+ pNextIfdOffset = pCur; // Skip a offset size for next IFD offset
+ pCur += OFFSET_SIZE;
+
+ //2 0th IFD Exif Private Tags
+ pCur = pIfdStart + LongerTagOffest;
+
+ tmp = NUM_0TH_IFD_EXIF;
+ memcpy(pCur, &tmp , NUM_SIZE);
+ pCur += NUM_SIZE;
+
+ LongerTagOffest += NUM_SIZE + NUM_0TH_IFD_EXIF*IFD_SIZE + OFFSET_SIZE;
+
+ writeExifIfd(&pCur, EXIF_TAG_EXPOSURE_TIME, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->exposure_time, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_FNUMBER, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->fnumber, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_EXPOSURE_PROGRAM, EXIF_TYPE_SHORT,
+ 1, exifInfo->exposure_program);
+ writeExifIfd(&pCur, EXIF_TAG_ISO_SPEED_RATING, EXIF_TYPE_SHORT,
+ 1, exifInfo->iso_speed_rating);
+ writeExifIfd(&pCur, EXIF_TAG_EXIF_VERSION, EXIF_TYPE_UNDEFINED,
+ 4, exifInfo->exif_version);
+ writeExifIfd(&pCur, EXIF_TAG_DATE_TIME_ORG, EXIF_TYPE_ASCII,
+ 20, exifInfo->date_time, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_DATE_TIME_DIGITIZE, EXIF_TYPE_ASCII,
+ 20, exifInfo->date_time, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_SHUTTER_SPEED, EXIF_TYPE_SRATIONAL,
+ 1, (rational_t *)&exifInfo->shutter_speed, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_APERTURE, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->aperture, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_BRIGHTNESS, EXIF_TYPE_SRATIONAL,
+ 1, (rational_t *)&exifInfo->brightness, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_EXPOSURE_BIAS, EXIF_TYPE_SRATIONAL,
+ 1, (rational_t *)&exifInfo->exposure_bias, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_MAX_APERTURE, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->max_aperture, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_METERING_MODE, EXIF_TYPE_SHORT,
+ 1, exifInfo->metering_mode);
+ writeExifIfd(&pCur, EXIF_TAG_FLASH, EXIF_TYPE_SHORT,
+ 1, exifInfo->flash);
+ writeExifIfd(&pCur, EXIF_TAG_FOCAL_LENGTH, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->focal_length, &LongerTagOffest, pIfdStart);
+ char code[8] = { 0x00, 0x00, 0x00, 0x49, 0x49, 0x43, 0x53, 0x41 };
+ int commentsLen = strlen((char *)exifInfo->user_comment) + 1;
+ memmove(exifInfo->user_comment + sizeof(code), exifInfo->user_comment, commentsLen);
+ memcpy(exifInfo->user_comment, code, sizeof(code));
+ writeExifIfd(&pCur, EXIF_TAG_USER_COMMENT, EXIF_TYPE_UNDEFINED,
+ commentsLen + sizeof(code), exifInfo->user_comment, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_COLOR_SPACE, EXIF_TYPE_SHORT,
+ 1, exifInfo->color_space);
+ writeExifIfd(&pCur, EXIF_TAG_PIXEL_X_DIMENSION, EXIF_TYPE_LONG,
+ 1, exifInfo->width);
+ writeExifIfd(&pCur, EXIF_TAG_PIXEL_Y_DIMENSION, EXIF_TYPE_LONG,
+ 1, exifInfo->height);
+ writeExifIfd(&pCur, EXIF_TAG_EXPOSURE_MODE, EXIF_TYPE_LONG,
+ 1, exifInfo->exposure_mode);
+ writeExifIfd(&pCur, EXIF_TAG_WHITE_BALANCE, EXIF_TYPE_LONG,
+ 1, exifInfo->white_balance);
+ writeExifIfd(&pCur, EXIF_TAG_SCENCE_CAPTURE_TYPE, EXIF_TYPE_LONG,
+ 1, exifInfo->scene_capture_type);
+ tmp = 0;
+ memcpy(pCur, &tmp, OFFSET_SIZE); // next IFD offset
+ pCur += OFFSET_SIZE;
+
+ //2 0th IFD GPS Info Tags
+ if (exifInfo->enableGps) {
+ writeExifIfd(&pGpsIfdPtr, EXIF_TAG_GPS_IFD_POINTER, EXIF_TYPE_LONG,
+ 1, LongerTagOffest); // GPS IFD pointer skipped on 0th IFD
+
+ pCur = pIfdStart + LongerTagOffest;
+
+ if (exifInfo->gps_processing_method[0] == 0) {
+ // don't create GPS_PROCESSING_METHOD tag if there isn't any
+ tmp = NUM_0TH_IFD_GPS - 1;
+ } else {
+ tmp = NUM_0TH_IFD_GPS;
+ }
+ memcpy(pCur, &tmp, NUM_SIZE);
+ pCur += NUM_SIZE;
+
+ LongerTagOffest += NUM_SIZE + tmp*IFD_SIZE + OFFSET_SIZE;
+
+ writeExifIfd(&pCur, EXIF_TAG_GPS_VERSION_ID, EXIF_TYPE_BYTE,
+ 4, exifInfo->gps_version_id);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_LATITUDE_REF, EXIF_TYPE_ASCII,
+ 2, exifInfo->gps_latitude_ref);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_LATITUDE, EXIF_TYPE_RATIONAL,
+ 3, exifInfo->gps_latitude, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_LONGITUDE_REF, EXIF_TYPE_ASCII,
+ 2, exifInfo->gps_longitude_ref);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_LONGITUDE, EXIF_TYPE_RATIONAL,
+ 3, exifInfo->gps_longitude, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_ALTITUDE_REF, EXIF_TYPE_BYTE,
+ 1, exifInfo->gps_altitude_ref);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_ALTITUDE, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->gps_altitude, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_TIMESTAMP, EXIF_TYPE_RATIONAL,
+ 3, exifInfo->gps_timestamp, &LongerTagOffest, pIfdStart);
+ tmp = strlen((char*)exifInfo->gps_processing_method);
+ if (tmp > 0) {
+ if (tmp > 100) {
+ tmp = 100;
+ }
+ unsigned char tmp_buf[100+sizeof(ExifAsciiPrefix)];
+ memcpy(tmp_buf, ExifAsciiPrefix, sizeof(ExifAsciiPrefix));
+ memcpy(&tmp_buf[sizeof(ExifAsciiPrefix)], exifInfo->gps_processing_method, tmp);
+ writeExifIfd(&pCur, EXIF_TAG_GPS_PROCESSING_METHOD, EXIF_TYPE_UNDEFINED,
+ tmp+sizeof(ExifAsciiPrefix), tmp_buf, &LongerTagOffest, pIfdStart);
+ }
+ writeExifIfd(&pCur, EXIF_TAG_GPS_DATESTAMP, EXIF_TYPE_ASCII,
+ 11, exifInfo->gps_datestamp, &LongerTagOffest, pIfdStart);
+ tmp = 0;
+ memcpy(pCur, &tmp, OFFSET_SIZE); // next IFD offset
+ pCur += OFFSET_SIZE;
+ }
+
+ //2 1th IFD TIFF Tags
+ char *thumbBuf;
+ int thumbSize;
+
+ if (useMainbufForThumb) {
+ thumbBuf = mArgs.out_buf;
+ thumbSize = mArgs.enc_param->file_size;
+ } else {
+ thumbBuf = mArgs.out_thumb_buf;
+ thumbSize = mArgs.thumb_enc_param->file_size;
+ }
+
+ if (exifInfo->enableThumb && (thumbBuf != NULL) && (thumbSize > 0)) {
+ tmp = LongerTagOffest;
+ memcpy(pNextIfdOffset, &tmp, OFFSET_SIZE); // NEXT IFD offset skipped on 0th IFD
+
+ pCur = pIfdStart + LongerTagOffest;
+
+ tmp = NUM_1TH_IFD_TIFF;
+ memcpy(pCur, &tmp, NUM_SIZE);
+ pCur += NUM_SIZE;
+
+ LongerTagOffest += NUM_SIZE + NUM_1TH_IFD_TIFF*IFD_SIZE + OFFSET_SIZE;
+
+ writeExifIfd(&pCur, EXIF_TAG_IMAGE_WIDTH, EXIF_TYPE_LONG,
+ 1, exifInfo->widthThumb);
+ writeExifIfd(&pCur, EXIF_TAG_IMAGE_HEIGHT, EXIF_TYPE_LONG,
+ 1, exifInfo->heightThumb);
+ writeExifIfd(&pCur, EXIF_TAG_COMPRESSION_SCHEME, EXIF_TYPE_SHORT,
+ 1, exifInfo->compression_scheme);
+ writeExifIfd(&pCur, EXIF_TAG_ORIENTATION, EXIF_TYPE_SHORT,
+ 1, exifInfo->orientation);
+ writeExifIfd(&pCur, EXIF_TAG_X_RESOLUTION, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->x_resolution, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_Y_RESOLUTION, EXIF_TYPE_RATIONAL,
+ 1, &exifInfo->y_resolution, &LongerTagOffest, pIfdStart);
+ writeExifIfd(&pCur, EXIF_TAG_RESOLUTION_UNIT, EXIF_TYPE_SHORT,
+ 1, exifInfo->resolution_unit);
+ writeExifIfd(&pCur, EXIF_TAG_JPEG_INTERCHANGE_FORMAT, EXIF_TYPE_LONG,
+ 1, LongerTagOffest);
+ writeExifIfd(&pCur, EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LEN, EXIF_TYPE_LONG,
+ 1, thumbSize);
+
+ tmp = 0;
+ memcpy(pCur, &tmp, OFFSET_SIZE); // next IFD offset
+ pCur += OFFSET_SIZE;
+
+ memcpy(pIfdStart + LongerTagOffest,
+ thumbBuf, thumbSize);
+ LongerTagOffest += thumbSize;
+ } else {
+ tmp = 0;
+ memcpy(pNextIfdOffset, &tmp, OFFSET_SIZE); // NEXT IFD offset skipped on 0th IFD
+ }
+
+ unsigned char App1Marker[2] = { 0xff, 0xe1 };
+ memcpy(pApp1Start, App1Marker, 2);
+ pApp1Start += 2;
+
+ *size = 10 + LongerTagOffest;
+ tmp = *size - 2; // APP1 Maker isn't counted
+ unsigned char size_mm[2] = {(tmp >> 8) & 0xFF, tmp & 0xFF};
+ memcpy(pApp1Start, size_mm, 2);
+
+ ALOGD("makeExif X");
+
+ return JPG_SUCCESS;
+}
+
+jpg_return_status JpegEncoder::checkMcu(sample_mode_t sampleMode,
+ uint32_t width, uint32_t height, bool isThumb)
+{
+ if (!available)
+ return JPG_FAIL;
+
+ uint32_t expectedWidth = width;
+ uint32_t expectedHeight = height;
+
+ switch (sampleMode){
+ case JPG_422:
+ if (width % 16 != 0)
+ expectedWidth = width + 16 - (width % 16);
+ if (height % 8 != 0)
+ expectedHeight = height + 8 - (height % 8);
+ break;
+
+ case JPG_420:
+ if (width % 16 != 0)
+ expectedWidth = width + 16 - (width % 16);
+ if (height % 16 != 0)
+ expectedHeight = height + 16 - (height % 16);
+ break;
+
+ default:
+ ALOGE("Invaild sample mode");
+ return JPG_FAIL;
+ }
+
+ if (expectedWidth == width && expectedHeight == height)
+ return JPG_SUCCESS;
+
+ ALOGW("The image is not matched for MCU");
+
+ uint32_t size = width*height * 2;
+ char *srcBuf, *dstBuf;
+
+ if ((srcBuf = new char[size]) == NULL) {
+ ALOGE("Failed to allocate for srcBuf");
+ return JPG_FAIL;
+ }
+
+ if (!isThumb)
+ dstBuf = mArgs.in_buf;
+ else
+ dstBuf = mArgs.in_thumb_buf;
+
+ memcpy(srcBuf, dstBuf, size);
+ bool ret = pad(srcBuf, width, height, dstBuf, expectedWidth, expectedHeight);
+
+ delete[] srcBuf;
+
+ return JPG_SUCCESS;
+}
+
+bool JpegEncoder::pad(char *srcBuf, uint32_t srcWidth, uint32_t srcHight,
+ char *dstBuf, uint32_t dstWidth, uint32_t dstHight)
+{
+ if (!available)
+ return false;
+
+ if (srcBuf == NULL || dstBuf == NULL) {
+ ALOGE("srcBuf or dstBuf is NULL");
+ return false;
+ }
+
+ int padW = dstWidth - srcWidth;
+ int padH = dstHight - srcHight;
+
+ if ((int)(dstWidth - srcWidth) < 0 ||
+ (int)(dstHight - srcHight) < 0) {
+ ALOGE("dstSize is smaller than srcSize");
+ return false;
+ }
+ memset(dstBuf, 0, dstWidth*dstHight * 2);
+
+ for (uint32_t i = 0; i < srcHight; i++)
+ memcpy(dstBuf + i * dstWidth * 2, srcBuf + i * srcWidth * 2, srcWidth * 2);
+
+ return true;
+}
+
+bool JpegEncoder::scaleDownYuv422(char *srcBuf, uint32_t srcWidth, uint32_t srcHight,
+ char *dstBuf, uint32_t dstWidth, uint32_t dstHight)
+{
+ if (!available)
+ return false;
+
+ int32_t step_x, step_y;
+ int32_t iXsrc, iXdst;
+ int32_t x, y, src_y_start_pos, dst_pos, src_pos;
+
+ if (dstWidth % 2 != 0 || dstHight % 2 != 0){
+ ALOGE("scale_down_yuv422: invalid width, height for scaling");
+ return false;
+ }
+
+ step_x = srcWidth / dstWidth;
+ step_y = srcHight / dstHight;
+
+ dst_pos = 0;
+ for (uint32_t y = 0; y < dstHight; y++) {
+ src_y_start_pos = (y * step_y * (srcWidth * 2));
+
+ for (uint32_t x = 0; x < dstWidth; x += 2) {
+ src_pos = src_y_start_pos + (x * (step_x * 2));
+
+ dstBuf[dst_pos++] = srcBuf[src_pos ];
+ dstBuf[dst_pos++] = srcBuf[src_pos + 1];
+ dstBuf[dst_pos++] = srcBuf[src_pos + 2];
+ dstBuf[dst_pos++] = srcBuf[src_pos + 3];
+ }
+ }
+
+ return true;
+}
+
+inline void JpegEncoder::writeExifIfd(unsigned char **pCur,
+ unsigned short tag,
+ unsigned short type,
+ unsigned int count,
+ uint32_t value)
+{
+ memcpy(*pCur, &tag, 2);
+ *pCur += 2;
+ memcpy(*pCur, &type, 2);
+ *pCur += 2;
+ memcpy(*pCur, &count, 4);
+ *pCur += 4;
+ memcpy(*pCur, &value, 4);
+ *pCur += 4;
+}
+
+inline void JpegEncoder::writeExifIfd(unsigned char **pCur,
+ unsigned short tag,
+ unsigned short type,
+ unsigned int count,
+ unsigned char *pValue)
+{
+ char buf[4] = { 0,};
+
+ memcpy(buf, pValue, count);
+ memcpy(*pCur, &tag, 2);
+ *pCur += 2;
+ memcpy(*pCur, &type, 2);
+ *pCur += 2;
+ memcpy(*pCur, &count, 4);
+ *pCur += 4;
+ memcpy(*pCur, buf, 4);
+ *pCur += 4;
+}
+
+
+inline void JpegEncoder::writeExifIfd(unsigned char **pCur,
+ unsigned short tag,
+ unsigned short type,
+ unsigned int count,
+ unsigned char *pValue,
+ unsigned int *offset,
+ unsigned char *start)
+{
+ memcpy(*pCur, &tag, 2);
+ *pCur += 2;
+ memcpy(*pCur, &type, 2);
+ *pCur += 2;
+ memcpy(*pCur, &count, 4);
+ *pCur += 4;
+ memcpy(*pCur, offset, 4);
+ *pCur += 4;
+ memcpy(start + *offset, pValue, count);
+ *offset += count;
+}
+
+inline void JpegEncoder::writeExifIfd(unsigned char **pCur,
+ unsigned short tag,
+ unsigned short type,
+ unsigned int count,
+ rational_t *pValue,
+ unsigned int *offset,
+ unsigned char *start)
+{
+ memcpy(*pCur, &tag, 2);
+ *pCur += 2;
+ memcpy(*pCur, &type, 2);
+ *pCur += 2;
+ memcpy(*pCur, &count, 4);
+ *pCur += 4;
+ memcpy(*pCur, offset, 4);
+ *pCur += 4;
+ memcpy(start + *offset, pValue, 8 * count);
+ *offset += 8 * count;
+}
+
+};