Raspberry Pi Camera Module - Revision history

Admin: /* Documents */

2014-09-03T04:02:17Z

Documents

← Older revision		Revision as of 04:02, 3 September 2014
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	Datasheet (OV5647_full) [[Media:Ov5647full.pdf]]		Datasheet (OV5647_full) [[Media:Ov5647full.pdf]]

	Datasheet (ov5647_brief) [[Media:]]		Datasheet (ov5647_brief) [[Media:OV5647 breif.pdf]]

	Datasheet (RaspiCam-Documentation) [[Media:RaspiCam-Documentation.pdf]]		Datasheet (RaspiCam-Documentation) [[Media:RaspiCam-Documentation.pdf]]

	Information(OV5647) http://www.ovt.com/products/sensor.php?id=66		Information(OV5647) http://www.ovt.com/products/sensor.php?id=66

			Quick Start Guide http://www.raspberrypi.org/help/camera-module-setup/

Admin: /* Documents */

2014-09-03T03:47:58Z

Documents

← Older revision		Revision as of 03:47, 3 September 2014
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	==Documents==		==Documents==

	Datasheet (~~OV5647~~) [[Media:Ov5647full.pdf]]		Datasheet (OV5647_full) [[Media:Ov5647full.pdf]]

	Datasheet (~~ov5647_full~~) [[Media:~~Ov5647_full.pdf~~]]		Datasheet (ov5647_brief) [[Media:]]

	Datasheet (RaspiCam-Documentation) [[Media:RaspiCam-Documentation.pdf]]		Datasheet (RaspiCam-Documentation) [[Media:RaspiCam-Documentation.pdf]]

	Information(OV5647) http://www.ovt.com/products/sensor.php?id=66		Information(OV5647) http://www.ovt.com/products/sensor.php?id=66

Admin: /* Documents */

2014-09-03T03:36:14Z

Documents

← Older revision		Revision as of 03:36, 3 September 2014
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	==Documents==		==Documents==

	Datasheet(OV5647) [[Media:Ov5647full.pdf]]		Datasheet (OV5647) [[Media:Ov5647full.pdf]]

			Datasheet (ov5647_full) [[Media:Ov5647_full.pdf]]

			Datasheet (RaspiCam-Documentation) [[Media:RaspiCam-Documentation.pdf]]

	Information(OV5647) http://www.ovt.com/products/sensor.php?id=66		Information(OV5647) http://www.ovt.com/products/sensor.php?id=66

Admin: /* Software */

2014-09-03T03:30:14Z

Software

← Older revision		Revision as of 03:30, 3 September 2014
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	The following shell command runs the video capture program with a preview showing all of the built-in camera effects and makes for an interesting demonstration:		The following shell command runs the video capture program with a preview showing all of the built-in camera effects and makes for an interesting demonstration:

	for effect in none negative solarise sketch denoise emboss oilpaint hatch gpen pastel watercolour film blur saturation colourswap washedout posterise colourpoint colourbalance cartoon		for effect in none negative solarise sketch denoise emboss oilpaint hatch gpen pastel watercolour film blur saturation colourswap
			washedout posterise colourpoint colourbalance cartoon
	do		do
	echo $effect		echo $effect

Admin: /* Software */

2014-09-03T03:29:31Z

Software

← Older revision		Revision as of 03:29, 3 September 2014
Line 66:		Line 66:
	The following shell command runs the video capture program with a preview showing all of the built-in camera effects and makes for an interesting demonstration:		The following shell command runs the video capture program with a preview showing all of the built-in camera effects and makes for an interesting demonstration:

	for effect in none negative solarise sketch denoise emboss oilpaint hatch gpen pastel watercolour film blur saturation colourswap washedout posterise colourpoint colourbalance cartoon		for effect in none negative solarise sketch denoise emboss oilpaint hatch gpen pastel watercolour film blur saturation colourswap washedout posterise colourpoint colourbalance cartoon
	do		do
	echo $effect		echo $effect
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	v4l2-ctl --list-formats		v4l2-ctl --list-formats
	In theory, any camera application written to use the V4L APIs should work with the driver. I encourage you to try it out and report all positive or negative outcomes back to the developers.		In theory, any camera application written to use the V4L APIs should work with the driver. I encourage you to try it out and report all positive or negative outcomes back to the developers.

	==Application case==		==Application case==
	Stream Video from the Raspberry Pi Camera to Web Browsers		Stream Video from the Raspberry Pi Camera to Web Browsers

Admin at 02:39, 7 August 2014

2014-08-07T02:39:30Z

Admin at 02:38, 7 August 2014

2014-08-07T02:38:38Z

← Older revision		Revision as of 02:38, 7 August 2014
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	$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &		$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &
	Let's go over the arguments to raspistill one by one:		Let's go over the arguments to raspistill one by one:
	**-w sets the image width. For an HD stream use 1920 here.		:*-w sets the image width. For an HD stream use 1920 here.
	**-h sets the image height. For an HD stream use 1080 here.		**-h sets the image height. For an HD stream use 1080 here.
	**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.		**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.

Admin: /* Application case */

2014-08-07T02:37:49Z

Application case

← Older revision		Revision as of 02:37, 7 August 2014
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	$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &		$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &
	Let's go over the arguments to raspistill one by one:		Let's go over the arguments to raspistill one by one:
	*-w sets the image width. For an HD stream use 1920 here.		**-w sets the image width. For an HD stream use 1920 here.
	**-h sets the image height. For an HD stream use 1080 here.		**-h sets the image height. For an HD stream use 1080 here.
	**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.		**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.
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	$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"		$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"
	Let's break this command down to understand it:		Let's break this command down to understand it:
	*LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.		**LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.
	**-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.		**-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.
	**-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.		**-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.

Admin at 02:36, 7 August 2014

2014-08-07T02:36:56Z

← Older revision		Revision as of 02:36, 7 August 2014
Line 154:		Line 154:
	$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &		$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &
	Let's go over the arguments to raspistill one by one:		Let's go over the arguments to raspistill one by one:
	;;*-w sets the image width. For an HD stream use 1920 here.		*-w sets the image width. For an HD stream use 1920 here.
	**-h sets the image height. For an HD stream use 1080 here.		**-h sets the image height. For an HD stream use 1080 here.
	**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.		**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.
Line 166:		Line 166:
	$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"		$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"
	Let's break this command down to understand it:		Let's break this command down to understand it:
	;;*LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.		*LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.
	**-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.		**-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.
	**-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.		**-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.

Admin at 02:35, 7 August 2014

2014-08-07T02:35:36Z

← Older revision		Revision as of 02:35, 7 August 2014
Line 154:		Line 154:
	$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &		$ raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -th 0:0:0 &
	Let's go over the arguments to raspistill one by one:		Let's go over the arguments to raspistill one by one:
			;;*-w sets the image width. For an HD stream use 1920 here.
	**-w sets the image width. For an HD stream use 1920 here.
	**-h sets the image height. For an HD stream use 1080 here.		**-h sets the image height. For an HD stream use 1080 here.
	**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.		**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.
Line 167:		Line 166:
	$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"		$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"
	Let's break this command down to understand it:		Let's break this command down to understand it:
			;;*LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.
	**LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.
	**-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.		**-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.
	**-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.		**-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.

← Older revision		Revision as of 02:39, 7 August 2014
Line 155:		Line 155:
	Let's go over the arguments to raspistill one by one:		Let's go over the arguments to raspistill one by one:
	:*-w sets the image width. For an HD stream use 1920 here.		:*-w sets the image width. For an HD stream use 1920 here.
	**-h sets the image height. For an HD stream use 1080 here.		:*-h sets the image height. For an HD stream use 1080 here.
	**-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.		:*-q sets the JPEG quality level, from 0 to 100. I use a pretty low quality, better quality generates bigger pictures, which reduces the frame rate.
	**-o sets the output filename for the JPEG pictures. I'm sending them to a temp directory. The same file will be rewritten with updated pictures.		:*-o sets the output filename for the JPEG pictures. I'm sending them to a temp directory. The same file will be rewritten with updated pictures.
	**-tl sets the timelapse interval, in milliseconds. With a value of 100 you get 10 frames per second.		:*-tl sets the timelapse interval, in milliseconds. With a value of 100 you get 10 frames per second.
	**-t sets the time the program will run. I put a large number here, that amounts to about two hours of run time.		:*-t sets the time the program will run. I put a large number here, that amounts to about two hours of run time.
	**-th sets the thumbnail picture options. Since I want the pictures to be as small as possible I disabled the thumbnails by setting everything to zero.		:*-th sets the thumbnail picture options. Since I want the pictures to be as small as possible I disabled the thumbnails by setting everything to zero.
	**& puts the application to run in the background.		:*& puts the application to run in the background.
	*Starting the streaming server		*Starting the streaming server
	Okay, so now we have a background task that is writing JPEGs from the camera at a rate of ten per second. All that is left is to start the streaming server. Assuming you are running it from the build directory the command is as follows:		Okay, so now we have a background task that is writing JPEGs from the camera at a rate of ten per second. All that is left is to start the streaming server. Assuming you are running it from the build directory the command is as follows:
	$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"		$ LD_LIBRARY_PATH=./ ./mjpg_streamer -i "input_file.so -f /tmp/stream" -o "output_http.so -w ./www"
	Let's break this command down to understand it:		Let's break this command down to understand it:
	**LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.		:*LD_LIBRARY_PATH sets the path for dynamic link libraries to the current directory. This is so that the application can find the plugins, which are in the same directory.
	**-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.		:*-i sets the input plugin. We are using a plugin called input_file.so. This plugin watches a directory and any time it detects a JPEG file was written to it it streams that file. The folder to watch is given as the -f argument.
	**-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.		:*-o sets the output plugin. We are using the HTTP streaming plugin, which starts a web server that we can connect to to watch the video. The root directory of the web server is given as the -w argument. We will use the default web pages that come with the application for now, these can be changed and customized as necessary.
	*Watching the stream		*Watching the stream
	Now everything is ready. Go to any device that has a web browser and connect to the following website:		Now everything is ready. Go to any device that has a web browser and connect to the following website: