updated to exif/tiff (35bca15d) · Commits · Elphel / elphel-apps-php-extension

src/ext/elphel/elphel_php.c

+29 −29

Original line number	Diff line number	Diff line
		@@ -1480,7 +1480,7 @@ long createExifDirectory (int rebuild) { /// build directory of pointers in the
		numfields++;
		}
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: indx= 0x%02x ltag= 0x%08lx len = 0x%08lx src = 0x%08lx dst = 0x%08lx\n",
		// __LINE__, indx, dir_table_entry.ltag, dir_table_entry.len, dir_table_entry.src, dir_table_entry.dst);
		// __LINE__, indx, dir_table_entry.ltag, dir_table_entry.len, dir_table_entry.src, dir_table_entry.dst_exif);


		}
		@@ -1512,7 +1512,7 @@ PHP_FUNCTION(elphel_get_circbuf_pointers) {
		///Frame number is in Exif structure
		debug_numfields=createExifDirectory(0); /// make sure directory is current
		if (ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].ltag==Exif_Image_ImageNumber) /// Exif_Image_FrameNumber_Index is present in template
		displacementInPage=ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst;
		displacementInPage=ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif;
		else
		displacementInPage=-1; /// no frame number in Exif

		@@ -1641,8 +1641,8 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: exif_page = 0x%x\n", __LINE__,exif_page);
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: exif_page_start = 0x%x\n", __LINE__,exif_page_start);
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: Exif_Image_ImageNumber_Index = 0x%x\n", __LINE__,Exif_Image_ImageNumber_Index);
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst = 0x%x\n", __LINE__, ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst);
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst = 0x%x\n", __LINE__,exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst);
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif = 0x%x\n", __LINE__, ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif);
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif = 0x%x\n", __LINE__,exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif);

		array_init(return_value);
		// /exif_page_start
		@@ -1650,12 +1650,12 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		// add_assoc_string(return_value, "dbg_exif_page", exif_page, 1);
		// add_assoc_string(return_value, "dbg_exif_page_start", exif_page_start, 1);
		// add_assoc_string(return_value, "dbg_Exif_Image_ImageNumber_Index", Exif_Image_ImageNumber_Index, 1);
		// add_assoc_string(return_value, "dbg_dst", ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst, 1);
		// add_assoc_string(return_value, "dbg_offs", exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst, 1);
		// add_assoc_string(return_value, "dbg_dst", ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif, 1);
		// add_assoc_string(return_value, "dbg_offs", exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif, 1);

		if (ELPHEL_G(exif_dir)[Exif_Image_ImageDescription_Index].ltag==Exif_Image_ImageDescription) { // Exif_Image_ImageDescription is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageDescription_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageDescription_Index].dst_exif,
		SEEK_SET);
		saferead255(ELPHEL_G(fd_exif[port]), val, ELPHEL_G(exif_dir)[Exif_Image_ImageDescription_Index].len);
		add_assoc_string(return_value, "ImageDescription", val, 1);
		@@ -1663,7 +1663,7 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Exif_Image_FrameNumber_Index 0x13
		if (ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].ltag==Exif_Image_ImageNumber) { // Exif_Image_FrameNumber_Index is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 4);
		sprintf (val,"%ld", (long) __cpu_to_be32( rational3[0]));
		@@ -1673,7 +1673,7 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Exif_Image_PageNumber_Index 0x15 - mostly for testing - should be == port
		if (ELPHEL_G(exif_dir)[Exif_Image_PageNumber_Index].ltag==Exif_Image_PageNumber) { // Exif_Image_PageNumber_Index is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_PageNumber_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_PageNumber_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 4);
		sprintf (val,"%ld", (long) __cpu_to_be32( rational3[0]));
		@@ -1683,7 +1683,7 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Exif_Image_Orientation_Index 0x15
		if (ELPHEL_G(exif_dir)[Exif_Image_Orientation_Index].ltag==Exif_Image_Orientation) { // Exif_Image_Orientation_Index is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_Orientation_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_Orientation_Index].dst_exif,
		SEEK_SET);
		rational3[0]=0;
		read(ELPHEL_G(fd_exif[port]), rational3, 2);
		@@ -1694,14 +1694,14 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///DateTimeOriginal (with subseconds)
		if (ELPHEL_G(exif_dir)[Exif_Photo_DateTimeOriginal_Index].ltag==Exif_Photo_DateTimeOriginal) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_DateTimeOriginal_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_DateTimeOriginal_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 19);
		val[19]='\0';
		if (ELPHEL_G(exif_dir)[Exif_Photo_SubSecTimeOriginal_Index].ltag==Exif_Photo_SubSecTimeOriginal) {
		val[19]='.';
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_SubSecTimeOriginal_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_SubSecTimeOriginal_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), &val[20], 7);
		val[27]='\0';
		@@ -1712,7 +1712,7 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Exif_Photo_ExposureTime
		if (ELPHEL_G(exif_dir)[Exif_Photo_ExposureTime_Index].ltag==Exif_Photo_ExposureTime) { // Exif_Photo_ExposureTime is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_ExposureTime_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_ExposureTime_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 8);
		exposure=(1.0*__cpu_to_be32( rational3[0]))/__cpu_to_be32( rational3[1]);
		@@ -1723,7 +1723,7 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Exif_Photo_MakerNote
		if (ELPHEL_G(exif_dir)[Exif_Photo_MakerNote_Index].ltag==Exif_Photo_MakerNote) { // Exif_Photo_MakerNote is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_MakerNote_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_MakerNote_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), makerNote, 64);
		sprintf (val,"0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx",
		@@ -1749,7 +1749,7 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		/// GPS measure mode
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSMeasureMode_Index].ltag==Exif_GPSInfo_GPSMeasureMode) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSMeasureMode_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSMeasureMode_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		val[1]='\0';
		@@ -1759,13 +1759,13 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///GPS date/time
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSDateStamp_Index].ltag==Exif_GPSInfo_GPSDateStamp) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSDateStamp_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSDateStamp_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 10);
		val[10]='\0';
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSTimeStamp_Index].ltag==Exif_GPSInfo_GPSTimeStamp) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSTimeStamp_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSTimeStamp_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 24);
		hours= __cpu_to_be32( rational3[0]);
		@@ -1780,13 +1780,13 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///GPS Longitude
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitude_Index].ltag==Exif_GPSInfo_GPSLongitude) { // Exif_GPSInfo_GPSLongitude is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitude_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitude_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 24);
		longitude=__cpu_to_be32( rational3[0])/(1.0__cpu_to_be32( rational3[1])) + __cpu_to_be32( rational3[2])/(60.0__cpu_to_be32( rational3[3]));
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitudeRef_Index].ltag==Exif_GPSInfo_GPSLongitudeRef) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitudeRef_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitudeRef_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0]!= 'E') longitude=-longitude;
		@@ -1797,13 +1797,13 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///GPS Latitude
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitude_Index].ltag==Exif_GPSInfo_GPSLatitude) { // Exif_GPSInfo_GPSLatitude is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitude_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitude_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 24);
		latitude=__cpu_to_be32( rational3[0])/(1.0__cpu_to_be32( rational3[1])) + __cpu_to_be32( rational3[2])/(60.0__cpu_to_be32( rational3[3]));
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitudeRef_Index].ltag==Exif_GPSInfo_GPSLatitudeRef) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitudeRef_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitudeRef_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != 'N') latitude=-latitude;
		@@ -1814,14 +1814,14 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///GPS Altitude
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitude_Index].ltag==Exif_GPSInfo_GPSAltitude) { // Exif_GPSInfo_GPSAltitude is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitude_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitude_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 8);
		altitude=(1.0*__cpu_to_be32( rational3[0]))/__cpu_to_be32( rational3[1]);

		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitudeRef_Index].ltag==Exif_GPSInfo_GPSAltitudeRef) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitudeRef_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitudeRef_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != '\0') altitude=-altitude;
		@@ -1832,7 +1832,7 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Compass Direction (magnetic)
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassDirection_Index].ltag==Exif_GPSInfo_CompassDirection) { // Exif_GPSInfo_CompassDirection is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassDirection_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassDirection_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 8);
		heading=(1.0*__cpu_to_be32( rational3[0]))/__cpu_to_be32( rational3[1]);
		@@ -1843,14 +1843,14 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Compass Roll
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRoll_Index].ltag==Exif_GPSInfo_CompassRoll) { // Exif_GPSInfo_CompassRoll is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRoll_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRoll_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 8);
		roll=(1.0*__cpu_to_be32( rational3[0]))/__cpu_to_be32( rational3[1]);

		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRollRef_Index].ltag==Exif_GPSInfo_CompassRollRef) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRollRef_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRollRef_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != EXIF_COMPASS_ROLL_ASCII[0]) roll=-roll;
		@@ -1862,14 +1862,14 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Compass Pitch
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitch_Index].ltag==Exif_GPSInfo_CompassPitch) { // Exif_GPSInfo_CompassPitch is present in template
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitch_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitch_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), rational3, 8);
		pitch=(1.0*__cpu_to_be32( rational3[0]))/__cpu_to_be32( rational3[1]);

		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitchRef_Index].ltag==Exif_GPSInfo_CompassPitchRef) {
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitchRef_Index].dst,
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitchRef_Index].dst_exif,
		SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != EXIF_COMPASS_PITCH_ASCII[0]) pitch=-pitch;
		@@ -1914,7 +1914,7 @@ PHP_FUNCTION(elphel_get_exif_field)
		else found= lseek ((int) ELPHEL_G(fd_exif[port]), 0, SEEK_SET); /// Select 0 (currently being acquired) Exif page
		if (found<0) RETURN_NULL(); //exif_page may be out of range

		lseek ((int) ELPHEL_G(fd_exif[port]), dir_table_entry.dst, SEEK_CUR);
		lseek ((int) ELPHEL_G(fd_exif[port]), dir_table_entry.dst_exif, SEEK_CUR);
		rslt=emalloc(dir_table_entry.len);
		read((int) ELPHEL_G(fd_exif[port]), rslt, dir_table_entry.len);
		RETURN_STRINGL(rslt,dir_table_entry.len,0);

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