debugging with new drivers (d06b5a87) · Commits · Elphel / elphel-apps-php-extension

src/ext/elphel/elphel_php.c

+109 −48

Original line number	Diff line number	Diff line
		@@ -216,6 +216,7 @@
		ZEND_DECLARE_MODULE_GLOBALS(elphel)
		static zend_function_entry elphel_functions[] = {
		PHP_FE(elphel_get_frame, NULL)
		PHP_FE(elphel_get_compressed_frame, NULL)
		PHP_FE(elphel_skip_frames, NULL)
		PHP_FE(elphel_wait_frame_abs, NULL)
		PHP_FE(elphel_framepars_get_raw, NULL)
		@@ -387,7 +388,16 @@ PHP_FUNCTION(elphel_get_frame)
		RETURN_NULL();
		RETURN_LONG( ELPHEL_GLOBALPARS(port,G_THIS_FRAME));
		}

		/// Get current compressed frame number
		PHP_FUNCTION(elphel_get_compressed_frame)
		{
		long port;
		if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &port) == FAILURE)
		RETURN_NULL();
		if ((port <0) \|\| (port >= SENSOR_PORTS))
		RETURN_NULL();
		RETURN_LONG( ELPHEL_GLOBALPARS(port,G_COMPRESSOR_FRAME));
		}
		PHP_FUNCTION(elphel_skip_frames)
		{
		long port;
		@@ -412,7 +422,7 @@ PHP_FUNCTION(elphel_wait_frame_abs)
		RETURN_NULL();
		if ((target_frame<0) \|\| (target_frame > 0x7ffffdff))
		RETURN_NULL(); /// Out of limit for skip frames
		RETURN_LONG(lseek((int) ELPHEL_G( fd_fparmsall), target_frame + LSEEK_FRAME_WAIT_ABS, SEEK_END ));
		RETURN_LONG(lseek((int) ELPHEL_G( fd_fparmsall[port]), target_frame + LSEEK_FRAME_WAIT_ABS, SEEK_END ));
		}

		/**
		@@ -1381,8 +1391,13 @@ long createExifDirectory (int rebuild) { /// build directory of pointers in the
		long numfields=0;
		struct exif_dir_table_t dir_table_entry;
		/// Read the size of the Exif data
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: createExifDirectory(%d)\n",__LINE__,rebuild);

		int exif_this_size=lseek((int) ELPHEL_G(fd_exifdir),1,SEEK_END); // at the beginning of page 1 - position == page length

		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: exif_this_size = 0x%x, ELPHEL_G(exif_size)= 0x%x\n",
		// __LINE__,exif_this_size,ELPHEL_G(exif_size));

		if ((ELPHEL_G(exif_size) == exif_this_size) && !rebuild) return 0; // no need to rebuild
		ELPHEL_G(exif_size) = exif_this_size;

		@@ -1419,8 +1434,13 @@ long createExifDirectory (int rebuild) { /// build directory of pointers in the
		}
		if (indx>=0) {
		memcpy(&(ELPHEL_G(exif_dir)[indx]),&dir_table_entry,sizeof(dir_table_entry));

		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);


		}
		return numfields;
		}
		@@ -1434,6 +1454,7 @@ PHP_FUNCTION(elphel_get_circbuf_pointers) {
		long p,frameParamPointer;
		long buff_size; //size of circbuf
		long meta_index,displacementInPage,exifPageStart,frame_be;
		long debug_numfields;

		zval *image_pointers;
		if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l\|l", &port, &second) == FAILURE) {
		@@ -1442,14 +1463,20 @@ PHP_FUNCTION(elphel_get_circbuf_pointers) {
		if ((port <0) \|\| (port >= SENSOR_PORTS))
		RETURN_NULL();
		ccam_dma_buf_char= (char *) ELPHEL_G(ccam_dma_buf[port]);


		buff_size=lseek(ELPHEL_G( fd_circ[port]),0,SEEK_END); //size of circbuf

		///Frame number is in Exif structure
		createExifDirectory(0); /// make sure directory is current
		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].dst;
		displacementInPage=ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst;
		else
		displacementInPage=-1; /// no frame number in Exif

		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: displacementInPage = 0x%x, buff_size= 0x%x\n",
		// __LINE__,displacementInPage, buff_size);

		p=lseek((int) ELPHEL_G( fd_circ[port]), second? LSEEK_CIRC_SCND: LSEEK_CIRC_FIRST, SEEK_END );
		if (p<0) RETURN_NULL();
		array_init(return_value);
		@@ -1465,10 +1492,17 @@ PHP_FUNCTION(elphel_get_circbuf_pointers) {
		/// Find out frame number...
		if (displacementInPage>=0){
		exifPageStart=lseek ((int) ELPHEL_G(fd_exif[port]), meta_index, SEEK_END); /// select specified Exif page

		lseek (ELPHEL_G(fd_exif[port]), exifPageStart+displacementInPage, SEEK_SET);
		read(ELPHEL_G(fd_exif[port]), &frame_be, 4);
		///... and add it to the output array
		add_assoc_long(image_pointers, "frame", (long) __cpu_to_be32(frame_be));

		// add_assoc_long(image_pointers, "dbg_exifPageStart", exifPageStart);
		// add_assoc_long(image_pointers, "dbg_displacementInPage", displacementInPage);
		// add_assoc_long(image_pointers, "dbg_frame_be", frame_be);
		// add_assoc_long(image_pointers, "debug_numfields", debug_numfields);

		}
		add_next_index_zval(return_value, image_pointers);
		/// next frame
		@@ -1486,12 +1520,13 @@ PHP_FUNCTION(elphel_get_interframe_meta)
		long circbuf_pointer=-1;
		long frameParamPointer,jpeg_len,timestamp_start;
		// long circbuf_size=ELPHEL_GLOBALPARS(G_CIRCBUFSIZE);
		long circbuf_size=ELPHEL_G(ccam_dma_buf_len);
		long circbuf_size;
		if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &port, &circbuf_pointer) == FAILURE) {
		RETURN_NULL();
		}
		if ((port <0) \|\| (port >= SENSOR_PORTS))
		RETURN_NULL();
		circbuf_size=ELPHEL_G(ccam_dma_buf_len[port]);
		ccam_dma_buf_char= (char *) ELPHEL_G( ccam_dma_buf[port]);
		frameParamPointer=circbuf_pointer-32;
		if (frameParamPointer < 0) frameParamPointer+=circbuf_size;
		@@ -1550,22 +1585,34 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		if (exif_page) exif_page_start=lseek ((int) ELPHEL_G(fd_exif[port]), exif_page, SEEK_END); /// select specified Exif page
		else exif_page_start=lseek ((int) ELPHEL_G(fd_exif[port]), 0, SEEK_SET); /// Select 0 (currently being acquired) Exif page
		if (exif_page_start<0) RETURN_NULL(); //exif_page may be out of range
		// 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);

		array_init(return_value);
		// /exif_page_start
		///Image Description
		// 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);

		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageDescription_Index].dst,
		SEEK_SET);
		saferead255(ELPHEL_G(fd_exif), val, ELPHEL_G(exif_dir)[Exif_Image_ImageDescription_Index].len);
		saferead255(ELPHEL_G(fd_exif[port]), val, ELPHEL_G(exif_dir)[Exif_Image_ImageDescription_Index].len);
		add_assoc_string(return_value, "ImageDescription", val, 1);
		}
		///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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_ImageNumber_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 4);
		read(ELPHEL_G(fd_exif[port]), rational3, 4);
		sprintf (val,"%ld", (long) __cpu_to_be32( rational3[0]));
		add_assoc_string(return_value, "FrameNumber", val, 1);
		}
		@@ -1582,28 +1629,28 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Image_Orientation_Index].dst,
		SEEK_SET);
		rational3[0]=0;
		read(ELPHEL_G(fd_exif), rational3, 2);
		read(ELPHEL_G(fd_exif[port]), rational3, 2);
		sprintf (val,"%ld", (long) ( rational3[0]>>8));
		add_assoc_string(return_value, "Orientation", val, 1);
		}

		///DateTimeOriginal (with subseconds)
		if (ELPHEL_G(exif_dir)[Exif_Photo_DateTimeOriginal_Index].ltag==Exif_Photo_DateTimeOriginal) {
		lseek (ELPHEL_G(fd_exif),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_DateTimeOriginal_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 19);
		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_SubSecTimeOriginal_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), &val[20], 7);
		read(ELPHEL_G(fd_exif[port]), &val[20], 7);
		val[27]='\0';
		}
		add_assoc_string(return_value, "DateTimeOriginal", val, 1);
		@@ -1611,10 +1658,10 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_ExposureTime_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 8);
		read(ELPHEL_G(fd_exif[port]), rational3, 8);
		exposure=(1.0*__cpu_to_be32( rational3[0]))/__cpu_to_be32( rational3[1]);
		sprintf (val,"%f",exposure);
		add_assoc_string(return_value, "ExposureTime", val, 1);
		@@ -1622,10 +1669,10 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_Photo_MakerNote_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), makerNote, 64);
		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",
		(long) __cpu_to_be32(makerNote[0]),
		(long) __cpu_to_be32(makerNote[1]),
		@@ -1648,26 +1695,26 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSMeasureMode_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 1);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		val[1]='\0';
		add_assoc_stringl(return_value, "GPSMeasureMode", val, 1, 1);
		}

		///GPS date/time
		if (ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSDateStamp_Index].ltag==Exif_GPSInfo_GPSDateStamp) {
		lseek (ELPHEL_G(fd_exif),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSDateStamp_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 10);
		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSTimeStamp_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 24);
		read(ELPHEL_G(fd_exif[port]), rational3, 24);
		hours= __cpu_to_be32( rational3[0]);
		minutes= __cpu_to_be32( rational3[2]);
		seconds= (1.0*(__cpu_to_be32( rational3[4])+1))/__cpu_to_be32( rational3[5]); /// GPS likes ".999", let's inc by one - anyway will round that out
		@@ -1679,16 +1726,16 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		/// knowing format provided from GPS - degrees and minutes only, no seconds:
		///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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitude_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 24);
		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLongitudeRef_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 1);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0]!= 'E') longitude=-longitude;
		}
		sprintf (val,"%f",longitude);
		@@ -1696,16 +1743,16 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitude_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 24);
		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSLatitudeRef_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 1);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != 'N') latitude=-latitude;
		}
		sprintf (val,"%f",latitude);
		@@ -1713,17 +1760,17 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitude_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 8);
		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_GPSAltitudeRef_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 1);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != '\0') altitude=-altitude;
		}
		sprintf (val,"%f",altitude);
		@@ -1731,10 +1778,10 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassDirection_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 8);
		read(ELPHEL_G(fd_exif[port]), rational3, 8);
		heading=(1.0*__cpu_to_be32( rational3[0]))/__cpu_to_be32( rational3[1]);
		sprintf (val,"%f",heading);
		add_assoc_string(return_value, "CompassDirection", val, 1);
		@@ -1742,17 +1789,17 @@ PHP_FUNCTION(elphel_get_exif_elphel)
		///Processing 'hacked' pitch and roll (made of Exif destination latitude/longitude)
		///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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRoll_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 8);
		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassRollRef_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 1);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != EXIF_COMPASS_ROLL_ASCII[0]) roll=-roll;
		}
		sprintf (val,"%f",roll);
		@@ -1761,17 +1808,17 @@ 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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitch_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), rational3, 8);
		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),
		lseek (ELPHEL_G(fd_exif[port]),
		exif_page_start+ELPHEL_G(exif_dir)[Exif_GPSInfo_CompassPitchRef_Index].dst,
		SEEK_SET);
		read(ELPHEL_G(fd_exif), val, 1);
		read(ELPHEL_G(fd_exif[port]), val, 1);
		if (val[0] != EXIF_COMPASS_PITCH_ASCII[0]) pitch=-pitch;
		}
		sprintf (val,"%f",pitch);
		@@ -2362,6 +2409,7 @@ static void php_elphel_init_globals(zend_elphel_globals *elphel_globals)
		}

		//! Now - same for /dev/circbuf
		// int dbg_i;
		for (port = 0; port < SENSOR_PORTS; port++){
		elphel_globals->ccam_dma_buf[port] = NULL;
		elphel_globals->fd_circ[port]= open(circbufPaths[port], O_RDWR); // "/dev/circbuf", O_RDWR);
		@@ -2384,6 +2432,18 @@ static void php_elphel_init_globals(zend_elphel_globals *elphel_globals)
		elphel_globals->fd_circ[port] = -1;
		return ;
		}
		/*
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: mmap=-ed %ld (0x%08lx) bytes to ccam_dma_buf[%d]",
		__LINE__,elphel_globals->ccam_dma_buf_len[port],elphel_globals->ccam_dma_buf_len[port],port);

		for (dbg_i=0;dbg_i<sizeof(struct interframe_params_t )/4; dbg_i++){
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "elphel_globals->ccam_dma_buf[%d][%d]=0x%08lx\n",
		port,dbg_i,elphel_globals->ccam_dma_buf[port][dbg_i]);
		}
		*/



		}

		for (port = 0; port < SENSOR_PORTS; port++){
		@@ -2404,6 +2464,7 @@ static void php_elphel_init_globals(zend_elphel_globals *elphel_globals)
		return ;
		}
		elphel_globals->exif_size=0;
		// php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d: elphel_globals->exif_size= 0x%x\n", __LINE__,elphel_globals->exif_size);
		}
		#endif

src/ext/elphel/elphel_php.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -71,6 +71,7 @@ ZEND_END_MODULE_GLOBALS(elphel)
		#define ELPHEL_GLOBALPARS(p, x) (((unsigned long *) ELPHEL_G(globalPars[p]))[x-FRAMEPAR_GLOBALS])
		#endif
		PHP_FUNCTION(elphel_get_frame); /// current absolute frame number (includes those that are not compressed)
		PHP_FUNCTION(elphel_get_compressed_frame);
		PHP_FUNCTION(elphel_skip_frames); /// skip some frames (includes those that are not compressed) - will work even if no frames are compressed
		PHP_FUNCTION(elphel_wait_frame_abs); /// wait for absolute frame number (includes those that are not compressed)
		PHP_FUNCTION(elphel_framepars_get_raw);

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