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RaspiCamControl.c
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RaspiCamControl.c
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/*
Copyright (c) 2013, Broadcom Europe Ltd
Copyright (c) 2013, James Hughes
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <memory.h>
#include <ctype.h>
#include "interface/vcos/vcos.h"
#include "interface/vmcs_host/vc_vchi_gencmd.h"
#include "interface/mmal/mmal.h"
#include "interface/mmal/mmal_logging.h"
#include "interface/mmal/util/mmal_util.h"
#include "interface/mmal/util/mmal_util_params.h"
#include "interface/mmal/util/mmal_default_components.h"
#include "interface/mmal/util/mmal_connection.h"
#include "RaspiCamControl.h"
#include "RaspiCLI.h"
#include "RaspiHelpers.h"
/// Structure to cross reference exposure strings against the MMAL parameter equivalent
static XREF_T exposure_map[] =
{
{"off", MMAL_PARAM_EXPOSUREMODE_OFF},
{"auto", MMAL_PARAM_EXPOSUREMODE_AUTO},
{"night", MMAL_PARAM_EXPOSUREMODE_NIGHT},
{"nightpreview", MMAL_PARAM_EXPOSUREMODE_NIGHTPREVIEW},
{"backlight", MMAL_PARAM_EXPOSUREMODE_BACKLIGHT},
{"spotlight", MMAL_PARAM_EXPOSUREMODE_SPOTLIGHT},
{"sports", MMAL_PARAM_EXPOSUREMODE_SPORTS},
{"snow", MMAL_PARAM_EXPOSUREMODE_SNOW},
{"beach", MMAL_PARAM_EXPOSUREMODE_BEACH},
{"verylong", MMAL_PARAM_EXPOSUREMODE_VERYLONG},
{"fixedfps", MMAL_PARAM_EXPOSUREMODE_FIXEDFPS},
{"antishake", MMAL_PARAM_EXPOSUREMODE_ANTISHAKE},
{"fireworks", MMAL_PARAM_EXPOSUREMODE_FIREWORKS}
};
static const int exposure_map_size = sizeof(exposure_map) / sizeof(exposure_map[0]);
/// Structure to cross reference flicker avoid strings against the MMAL parameter equivalent
static XREF_T flicker_avoid_map[] =
{
{"off", MMAL_PARAM_FLICKERAVOID_OFF},
{"auto", MMAL_PARAM_FLICKERAVOID_AUTO},
{"50hz", MMAL_PARAM_FLICKERAVOID_50HZ},
{"60hz", MMAL_PARAM_FLICKERAVOID_60HZ}
};
static const int flicker_avoid_map_size = sizeof(flicker_avoid_map) / sizeof(flicker_avoid_map[0]);
/// Structure to cross reference awb strings against the MMAL parameter equivalent
static XREF_T awb_map[] =
{
{"off", MMAL_PARAM_AWBMODE_OFF},
{"auto", MMAL_PARAM_AWBMODE_AUTO},
{"sun", MMAL_PARAM_AWBMODE_SUNLIGHT},
{"cloud", MMAL_PARAM_AWBMODE_CLOUDY},
{"shade", MMAL_PARAM_AWBMODE_SHADE},
{"tungsten", MMAL_PARAM_AWBMODE_TUNGSTEN},
{"fluorescent", MMAL_PARAM_AWBMODE_FLUORESCENT},
{"incandescent", MMAL_PARAM_AWBMODE_INCANDESCENT},
{"flash", MMAL_PARAM_AWBMODE_FLASH},
{"horizon", MMAL_PARAM_AWBMODE_HORIZON},
{"greyworld", MMAL_PARAM_AWBMODE_GREYWORLD}
};
static const int awb_map_size = sizeof(awb_map) / sizeof(awb_map[0]);
/// Structure to cross reference image effect against the MMAL parameter equivalent
static XREF_T imagefx_map[] =
{
{"none", MMAL_PARAM_IMAGEFX_NONE},
{"negative", MMAL_PARAM_IMAGEFX_NEGATIVE},
{"solarise", MMAL_PARAM_IMAGEFX_SOLARIZE},
{"sketch", MMAL_PARAM_IMAGEFX_SKETCH},
{"denoise", MMAL_PARAM_IMAGEFX_DENOISE},
{"emboss", MMAL_PARAM_IMAGEFX_EMBOSS},
{"oilpaint", MMAL_PARAM_IMAGEFX_OILPAINT},
{"hatch", MMAL_PARAM_IMAGEFX_HATCH},
{"gpen", MMAL_PARAM_IMAGEFX_GPEN},
{"pastel", MMAL_PARAM_IMAGEFX_PASTEL},
{"watercolour", MMAL_PARAM_IMAGEFX_WATERCOLOUR},
{"film", MMAL_PARAM_IMAGEFX_FILM},
{"blur", MMAL_PARAM_IMAGEFX_BLUR},
{"saturation", MMAL_PARAM_IMAGEFX_SATURATION},
{"colourswap", MMAL_PARAM_IMAGEFX_COLOURSWAP},
{"washedout", MMAL_PARAM_IMAGEFX_WASHEDOUT},
{"posterise", MMAL_PARAM_IMAGEFX_POSTERISE},
{"colourpoint", MMAL_PARAM_IMAGEFX_COLOURPOINT},
{"colourbalance", MMAL_PARAM_IMAGEFX_COLOURBALANCE},
{"cartoon", MMAL_PARAM_IMAGEFX_CARTOON}
};
static const int imagefx_map_size = sizeof(imagefx_map) / sizeof(imagefx_map[0]);
static XREF_T metering_mode_map[] =
{
{"average", MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE},
{"spot", MMAL_PARAM_EXPOSUREMETERINGMODE_SPOT},
{"backlit", MMAL_PARAM_EXPOSUREMETERINGMODE_BACKLIT},
{"matrix", MMAL_PARAM_EXPOSUREMETERINGMODE_MATRIX}
};
static const int metering_mode_map_size = sizeof(metering_mode_map)/sizeof(metering_mode_map[0]);
static XREF_T drc_mode_map[] =
{
{"off", MMAL_PARAMETER_DRC_STRENGTH_OFF},
{"low", MMAL_PARAMETER_DRC_STRENGTH_LOW},
{"med", MMAL_PARAMETER_DRC_STRENGTH_MEDIUM},
{"high", MMAL_PARAMETER_DRC_STRENGTH_HIGH}
};
static const int drc_mode_map_size = sizeof(drc_mode_map)/sizeof(drc_mode_map[0]);
static XREF_T stereo_mode_map[] =
{
{"off", MMAL_STEREOSCOPIC_MODE_NONE},
{"sbs", MMAL_STEREOSCOPIC_MODE_SIDE_BY_SIDE},
{"tb", MMAL_STEREOSCOPIC_MODE_TOP_BOTTOM},
};
static const int stereo_mode_map_size = sizeof(stereo_mode_map)/sizeof(stereo_mode_map[0]);
enum
{
CommandSharpness,
CommandContrast,
CommandBrightness,
CommandSaturation,
CommandISO,
CommandVideoStab,
CommandEVComp,
CommandExposure,
CommandAWB,
CommandImageFX,
CommandColourFX,
CommandMeterMode,
CommandRotation,
CommandHFlip,
CommandVFlip,
CommandROI,
CommandShutterSpeed,
CommandAwbGains,
CommandDRCLevel,
CommandStatsPass,
CommandAnnotate,
CommandStereoMode,
CommandStereoDecimate,
CommandStereoSwap,
CommandAnnotateExtras,
CommandFlicker,
CommandAnalogGain,
CommandDigitalGain,
CommandSettings,
CommandFocusWindow
};
static COMMAND_LIST cmdline_commands[] =
{
{CommandSharpness, "-sharpness", "sh", "Set image sharpness (-100 to 100)", 1},
{CommandContrast, "-contrast", "co", "Set image contrast (-100 to 100)", 1},
{CommandBrightness, "-brightness","br", "Set image brightness (0 to 100)", 1},
{CommandSaturation, "-saturation","sa", "Set image saturation (-100 to 100)", 1},
{CommandISO, "-ISO", "ISO","Set capture ISO", 1},
{CommandVideoStab, "-vstab", "vs", "Turn on video stabilisation", 0},
{CommandEVComp, "-ev", "ev", "Set EV compensation - steps of 1/6 stop", 1},
{CommandExposure, "-exposure", "ex", "Set exposure mode (see Notes)", 1},
{CommandFlicker, "-flicker", "fli","Set flicker avoid mode (see Notes)", 1},
{CommandAWB, "-awb", "awb","Set AWB mode (see Notes)", 1},
{CommandImageFX, "-imxfx", "ifx","Set image effect (see Notes)", 1},
{CommandColourFX, "-colfx", "cfx","Set colour effect (U:V)", 1},
{CommandMeterMode, "-metering", "mm", "Set metering mode (see Notes)", 1},
{CommandRotation, "-rotation", "rot","Set image rotation (0, 90, 180, or 270)", 1},
{CommandHFlip, "-hflip", "hf", "Set horizontal flip", 0},
{CommandVFlip, "-vflip", "vf", "Set vertical flip", 0},
{CommandROI, "-roi", "roi","Set region of interest (x,y,w,d as normalised coordinates [0.0-1.0])", 1},
{CommandShutterSpeed,"-shutter", "ss", "Set shutter speed in microseconds", 1},
{CommandAwbGains, "-awbgains", "awbg", "Set AWB gains - AWB mode must be off", 1},
{CommandDRCLevel, "-drc", "drc", "Set DRC Level (see Notes)", 1},
{CommandStatsPass, "-stats", "st", "Force recomputation of statistics on stills capture pass"},
{CommandAnnotate, "-annotate", "a", "Enable/Set annotate flags or text", 1},
{CommandStereoMode, "-stereo", "3d", "Select stereoscopic mode", 1},
{CommandStereoDecimate,"-decimate","dec", "Half width/height of stereo image"},
{CommandStereoSwap, "-3dswap", "3dswap", "Swap camera order for stereoscopic"},
{CommandAnnotateExtras,"-annotateex","ae", "Set extra annotation parameters (text size, text colour(hex YUV), bg colour(hex YUV), justify, x, y)", 2},
{CommandAnalogGain, "-analoggain", "ag", "Set the analog gain (floating point)", 1},
{CommandDigitalGain, "-digitalgain", "dg", "Set the digital gain (floating point)", 1},
{CommandSettings, "-settings", "set","Retrieve camera settings and write to stdout", 0},
{CommandFocusWindow, "-focus", "fw","Draw a window with the focus FoM value on the image.", 0},
};
static int cmdline_commands_size = sizeof(cmdline_commands) / sizeof(cmdline_commands[0]);
#define parameter_reset -99999
#define zoom_full_16P16 ((unsigned int)(65536 * 0.15))
#define zoom_increment_16P16 (65536UL / 10)
/**
* Update the passed in parameter according to the rest of the parameters
* passed in.
*
*
* @return 0 if reached end of cycle for this parameter, !0 otherwise
*/
static int update_cycle_parameter(int *option, int min, int max, int increment)
{
vcos_assert(option);
if (!option)
return 0;
if (*option == parameter_reset)
*option = min - increment;
*option += increment;
if (*option > max)
{
*option = parameter_reset;
return 0;
}
else
return 1;
}
/**
* Test/Demo code to cycle through a bunch of camera settings
* This code is pretty hacky so please don't complain!!
* It only does stuff that should have a visual impact (hence demo!)
* This will override any user supplied parameters
*
* Each call of this function will move on to the next setting
*
* @param camera Pointer to the camera to change settings on.
* @return 0 if reached end of complete sequence, !0 otherwise
*/
int raspicamcontrol_cycle_test(MMAL_COMPONENT_T *camera)
{
static int parameter = 0;
static int parameter_option = parameter_reset; // which value the parameter currently has
vcos_assert(camera);
// We are going to cycle through all the relevant entries in the parameter block
// and send options to the camera.
if (parameter == 0)
{
// sharpness
if (update_cycle_parameter(¶meter_option, -100, 100, 10))
raspicamcontrol_set_sharpness(camera, parameter_option);
else
{
raspicamcontrol_set_sharpness(camera, 0);
parameter++;
}
}
else if (parameter == 1)
{
// contrast
if (update_cycle_parameter(¶meter_option, -100, 100, 10))
raspicamcontrol_set_contrast(camera, parameter_option);
else
{
raspicamcontrol_set_contrast(camera, 0);
parameter++;
}
}
else if (parameter == 2)
{
// brightness
if (update_cycle_parameter(¶meter_option, 0, 100, 10))
raspicamcontrol_set_brightness(camera, parameter_option);
else
{
raspicamcontrol_set_brightness(camera, 50);
parameter++;
}
}
else if (parameter == 3)
{
// contrast
if (update_cycle_parameter(¶meter_option, -100, 100, 10))
raspicamcontrol_set_saturation(camera, parameter_option);
else
{
parameter++;
raspicamcontrol_set_saturation(camera, 0);
}
}
else if (parameter == 4)
{
// EV
if (update_cycle_parameter(¶meter_option, -10, 10, 4))
raspicamcontrol_set_exposure_compensation(camera, parameter_option);
else
{
raspicamcontrol_set_exposure_compensation(camera, 0);
parameter++;
}
}
else if (parameter == 5)
{
// MMAL_PARAM_EXPOSUREMODE_T
if (update_cycle_parameter(¶meter_option, 0, exposure_map_size, 1))
raspicamcontrol_set_exposure_mode(camera, exposure_map[parameter_option].mmal_mode);
else
{
raspicamcontrol_set_exposure_mode(camera, MMAL_PARAM_EXPOSUREMODE_AUTO);
parameter++;
}
}
else if (parameter == 6)
{
// MMAL_PARAM_AWB_T
if (update_cycle_parameter(¶meter_option, 0, awb_map_size, 1))
raspicamcontrol_set_awb_mode(camera, awb_map[parameter_option].mmal_mode);
else
{
raspicamcontrol_set_awb_mode(camera, MMAL_PARAM_AWBMODE_AUTO);
parameter++;
}
}
if (parameter == 7)
{
// MMAL_PARAM_IMAGEFX_T
if (update_cycle_parameter(¶meter_option, 0, imagefx_map_size, 1))
raspicamcontrol_set_imageFX(camera, imagefx_map[parameter_option].mmal_mode);
else
{
raspicamcontrol_set_imageFX(camera, MMAL_PARAM_IMAGEFX_NONE);
parameter++;
}
}
if (parameter == 8)
{
MMAL_PARAM_COLOURFX_T colfx = {0,0,0};
switch (parameter_option)
{
case parameter_reset :
parameter_option = 1;
colfx.u = 128;
colfx.v = 128;
break;
case 1 :
parameter_option = 2;
colfx.u = 100;
colfx.v = 200;
break;
case 2 :
parameter_option = parameter_reset;
colfx.enable = 0;
parameter++;
break;
}
raspicamcontrol_set_colourFX(camera, &colfx);
}
// Orientation
if (parameter == 9)
{
switch (parameter_option)
{
case parameter_reset:
raspicamcontrol_set_rotation(camera, 90);
parameter_option = 1;
break;
case 1 :
raspicamcontrol_set_rotation(camera, 180);
parameter_option = 2;
break;
case 2 :
raspicamcontrol_set_rotation(camera, 270);
parameter_option = 3;
break;
case 3 :
{
raspicamcontrol_set_rotation(camera, 0);
raspicamcontrol_set_flips(camera, 1,0);
parameter_option = 4;
break;
}
case 4 :
{
raspicamcontrol_set_flips(camera, 0,1);
parameter_option = 5;
break;
}
case 5 :
{
raspicamcontrol_set_flips(camera, 1, 1);
parameter_option = 6;
break;
}
case 6 :
{
raspicamcontrol_set_flips(camera, 0, 0);
parameter_option = parameter_reset;
parameter++;
break;
}
}
}
if (parameter == 10)
{
parameter = 1;
return 0;
}
return 1;
}
/**
* Convert string to the MMAL parameter for exposure mode
* @param str Incoming string to match
* @return MMAL parameter matching the string, or the AUTO option if no match found
*/
static MMAL_PARAM_EXPOSUREMODE_T exposure_mode_from_string(const char *str)
{
int i = raspicli_map_xref(str, exposure_map, exposure_map_size);
if( i != -1)
return (MMAL_PARAM_EXPOSUREMODE_T)i;
vcos_log_error("Unknown exposure mode: %s", str);
return MMAL_PARAM_EXPOSUREMODE_AUTO;
}
/**
* Convert string to the MMAL parameter for flicker avoid mode
* @param str Incoming string to match
* @return MMAL parameter matching the string, or the AUTO option if no match found
*/
static MMAL_PARAM_FLICKERAVOID_T flicker_avoid_mode_from_string(const char *str)
{
int i = raspicli_map_xref(str, flicker_avoid_map, flicker_avoid_map_size);
if( i != -1)
return (MMAL_PARAM_FLICKERAVOID_T)i;
vcos_log_error("Unknown flicker avoid mode: %s", str);
return MMAL_PARAM_FLICKERAVOID_OFF;
}
/**
* Convert string to the MMAL parameter for AWB mode
* @param str Incoming string to match
* @return MMAL parameter matching the string, or the AUTO option if no match found
*/
static MMAL_PARAM_AWBMODE_T awb_mode_from_string(const char *str)
{
int i = raspicli_map_xref(str, awb_map, awb_map_size);
if( i != -1)
return (MMAL_PARAM_AWBMODE_T)i;
vcos_log_error("Unknown awb mode: %s", str);
return MMAL_PARAM_AWBMODE_AUTO;
}
/**
* Convert string to the MMAL parameter for image effects mode
* @param str Incoming string to match
* @return MMAL parameter matching the strong, or the AUTO option if no match found
*/
MMAL_PARAM_IMAGEFX_T imagefx_mode_from_string(const char *str)
{
int i = raspicli_map_xref(str, imagefx_map, imagefx_map_size);
if( i != -1)
return (MMAL_PARAM_IMAGEFX_T)i;
vcos_log_error("Unknown image fx: %s", str);
return MMAL_PARAM_IMAGEFX_NONE;
}
/**
* Convert string to the MMAL parameter for exposure metering mode
* @param str Incoming string to match
* @return MMAL parameter matching the string, or the AUTO option if no match found
*/
static MMAL_PARAM_EXPOSUREMETERINGMODE_T metering_mode_from_string(const char *str)
{
int i = raspicli_map_xref(str, metering_mode_map, metering_mode_map_size);
if( i != -1)
return (MMAL_PARAM_EXPOSUREMETERINGMODE_T)i;
vcos_log_error("Unknown metering mode: %s", str);
return MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE;
}
/**
* Convert string to the MMAL parameter for DRC level
* @param str Incoming string to match
* @return MMAL parameter matching the string, or the AUTO option if no match found
*/
static MMAL_PARAMETER_DRC_STRENGTH_T drc_mode_from_string(const char *str)
{
int i = raspicli_map_xref(str, drc_mode_map, drc_mode_map_size);
if( i != -1)
return (MMAL_PARAMETER_DRC_STRENGTH_T)i;
vcos_log_error("Unknown DRC level: %s", str);
return MMAL_PARAMETER_DRC_STRENGTH_OFF;
}
/**
* Convert string to the MMAL parameter for exposure metering mode
* @param str Incoming string to match
* @return MMAL parameter matching the string, or the AUTO option if no match found
*/
static MMAL_STEREOSCOPIC_MODE_T stereo_mode_from_string(const char *str)
{
int i = raspicli_map_xref(str, stereo_mode_map, stereo_mode_map_size);
if( i != -1)
return (MMAL_STEREOSCOPIC_MODE_T)i;
vcos_log_error("Unknown metering mode: %s", str);
return MMAL_STEREOSCOPIC_MODE_NONE;
}
/**
* Parse a possible command pair - command and parameter
* @param arg1 Command
* @param arg2 Parameter (could be NULL)
* @return How many parameters were used, 0,1,2
*/
int raspicamcontrol_parse_cmdline(RASPICAM_CAMERA_PARAMETERS *params, const char *arg1, const char *arg2)
{
int command_id, used = 0, num_parameters;
if (!arg1)
return 0;
command_id = raspicli_get_command_id(cmdline_commands, cmdline_commands_size, arg1, &num_parameters);
// If invalid command, or we are missing a parameter, drop out
if (command_id==-1 || (command_id != -1 && num_parameters > 0 && arg2 == NULL))
return 0;
switch (command_id)
{
case CommandSharpness : // sharpness - needs single number parameter
sscanf(arg2, "%d", ¶ms->sharpness);
used = 2;
break;
case CommandContrast : // contrast - needs single number parameter
sscanf(arg2, "%d", ¶ms->contrast);
used = 2;
break;
case CommandBrightness : // brightness - needs single number parameter
sscanf(arg2, "%d", ¶ms->brightness);
used = 2;
break;
case CommandSaturation : // saturation - needs single number parameter
sscanf(arg2, "%d", ¶ms->saturation);
used = 2;
break;
case CommandISO : // ISO - needs single number parameter
sscanf(arg2, "%d", ¶ms->ISO);
used = 2;
break;
case CommandVideoStab : // video stabilisation - if here, its on
params->videoStabilisation = 1;
used = 1;
break;
case CommandEVComp : // EV - needs single number parameter
sscanf(arg2, "%d", ¶ms->exposureCompensation);
used = 2;
break;
case CommandExposure : // exposure mode - needs string
params->exposureMode = exposure_mode_from_string(arg2);
used = 2;
break;
case CommandFlicker : // flicker avoid mode - needs string
params->flickerAvoidMode = flicker_avoid_mode_from_string(arg2);
used = 2;
break;
case CommandAWB : // AWB mode - needs single number parameter
params->awbMode = awb_mode_from_string(arg2);
used = 2;
break;
case CommandImageFX : // Image FX - needs string
params->imageEffect = imagefx_mode_from_string(arg2);
used = 2;
break;
case CommandColourFX : // Colour FX - needs string "u:v"
sscanf(arg2, "%d:%d", ¶ms->colourEffects.u, ¶ms->colourEffects.v);
params->colourEffects.enable = 1;
used = 2;
break;
case CommandMeterMode:
params->exposureMeterMode = metering_mode_from_string(arg2);
used = 2;
break;
case CommandRotation : // Rotation - degree
sscanf(arg2, "%d", ¶ms->rotation);
used = 2;
break;
case CommandHFlip :
params->hflip = 1;
used = 1;
break;
case CommandVFlip :
params->vflip = 1;
used = 1;
break;
case CommandROI :
{
double x,y,w,h;
int args;
args = sscanf(arg2, "%lf,%lf,%lf,%lf", &x,&y,&w,&h);
if (args != 4 || x > 1.0 || y > 1.0 || w > 1.0 || h > 1.0)
{
return 0;
}
// Make sure we stay within bounds
if (x + w > 1.0)
w = 1 - x;
if (y + h > 1.0)
h = 1 - y;
params->roi.x = x;
params->roi.y = y;
params->roi.w = w;
params->roi.h = h;
used = 2;
break;
}
case CommandShutterSpeed : // Shutter speed needs single number parameter
{
sscanf(arg2, "%d", ¶ms->shutter_speed);
used = 2;
break;
}
case CommandAwbGains :
{
double r,b;
int args;
args = sscanf(arg2, "%lf,%lf", &r,&b);
if (args != 2 || r > 8.0 || b > 8.0)
{
return 0;
}
params->awb_gains_r = r;
params->awb_gains_b = b;
used = 2;
break;
}
case CommandDRCLevel:
{
params->drc_level = drc_mode_from_string(arg2);
used = 2;
break;
}
case CommandStatsPass:
{
params->stats_pass = MMAL_TRUE;
used = 1;
break;
}
case CommandAnnotate:
{
char dummy;
unsigned int bitmask;
// If parameter is a number, assume its a bitmask, otherwise a string
if (sscanf(arg2, "%u%c", &bitmask, &dummy) == 1)
{
params->enable_annotate |= bitmask;
}
else
{
params->enable_annotate |= ANNOTATE_USER_TEXT;
//copy string char by char and replace "\n" with newline character
unsigned char c;
char const *s = arg2;
char *t = ¶ms->annotate_string[0];
int n=0;
while ((c = *s++) && n < MMAL_CAMERA_ANNOTATE_MAX_TEXT_LEN_V3-1)
{
if (c == '\\' && *s)
{
switch (c = *s++)
{
case 'n':
c = '\n';
break;
default:
c = '\\';
s--;
break;
}
}
*(t++) = c;
n++;
}
*t='\0';
//params->annotate_string[MMAL_CAMERA_ANNOTATE_MAX_TEXT_LEN_V3-1] = '\0';
}
used=2;
break;
}
case CommandAnnotateExtras:
{
// 3 parameters - text size (6-80), text colour (Hex VVUUYY) and background colour (Hex VVUUYY)
sscanf(arg2, "%u,%X,%X,%u,%u,%u", ¶ms->annotate_text_size,
¶ms->annotate_text_colour,
¶ms->annotate_bg_colour,
¶ms->annotate_justify,
¶ms->annotate_x,
¶ms->annotate_y
);
used=2;
break;
}
case CommandStereoMode:
{
params->stereo_mode.mode = stereo_mode_from_string(arg2);
used = 2;
break;
}
case CommandStereoDecimate:
{
params->stereo_mode.decimate = MMAL_TRUE;
used = 1;
break;
}
case CommandStereoSwap:
{
params->stereo_mode.swap_eyes = MMAL_TRUE;
used = 1;
break;
}
case CommandAnalogGain:
{
double gain;
int args;
args = sscanf(arg2, "%lf", &gain);
if (args != 1 || gain > 16.0)
{
return 0;
}
params->analog_gain = gain;
used = 2;
break;
}
case CommandDigitalGain:
{
double gain;
int args;
args = sscanf(arg2, "%lf", &gain);
if (args != 1 || gain > 64.0)
{
return 0;
}
params->digital_gain = gain;
used = 2;
break;
}
case CommandSettings:
{
params->settings = 1;
used = 1;
break;
}
case CommandFocusWindow:
{
params->focus_window = 1;
used = 1;
break;
}
}
return used;
}
/**
* Display help for command line options
*/
void raspicamcontrol_display_help()
{
int i;
fprintf(stdout, "\nImage parameter commands\n\n");
raspicli_display_help(cmdline_commands, cmdline_commands_size);
fprintf(stdout, "\n\nNotes\n\nExposure mode options :\n%s", exposure_map[0].mode );
for (i=1; i<exposure_map_size; i++)
{
fprintf(stdout, ",%s", exposure_map[i].mode);
}
fprintf(stdout, "\n\nFlicker avoid mode options :\n%s", flicker_avoid_map[0].mode );
for (i=1; i<flicker_avoid_map_size; i++)
{
fprintf(stdout, ",%s", flicker_avoid_map[i].mode);
}
fprintf(stdout, "\n\nAWB mode options :\n%s", awb_map[0].mode );
for (i=1; i<awb_map_size; i++)
{
fprintf(stdout, ",%s", awb_map[i].mode);
}
fprintf(stdout, "\n\nImage Effect mode options :\n%s", imagefx_map[0].mode );
for (i=1; i<imagefx_map_size; i++)
{
fprintf(stdout, ",%s", imagefx_map[i].mode);
}
fprintf(stdout, "\n\nMetering Mode options :\n%s", metering_mode_map[0].mode );
for (i=1; i<metering_mode_map_size; i++)
{
fprintf(stdout, ",%s", metering_mode_map[i].mode);
}
fprintf(stdout, "\n\nDynamic Range Compression (DRC) options :\n%s", drc_mode_map[0].mode );
for (i=1; i<drc_mode_map_size; i++)
{
fprintf(stdout, ",%s", drc_mode_map[i].mode);
}
fprintf(stdout, "\n");
}
/**
* Dump contents of camera parameter structure to stderr for debugging/verbose logging
*
* @param params Const pointer to parameters structure to dump
*/
void raspicamcontrol_dump_parameters(const RASPICAM_CAMERA_PARAMETERS *params)
{
const char *exp_mode = raspicli_unmap_xref(params->exposureMode, exposure_map, exposure_map_size);
const char *fl_mode = raspicli_unmap_xref(params->flickerAvoidMode, flicker_avoid_map, flicker_avoid_map_size);
const char *awb_mode = raspicli_unmap_xref(params->awbMode, awb_map, awb_map_size);
const char *image_effect = raspicli_unmap_xref(params->imageEffect, imagefx_map, imagefx_map_size);
const char *metering_mode = raspicli_unmap_xref(params->exposureMeterMode, metering_mode_map, metering_mode_map_size);
fprintf(stderr, "Sharpness %d, Contrast %d, Brightness %d\n", params->sharpness, params->contrast, params->brightness);
fprintf(stderr, "Saturation %d, ISO %d, Video Stabilisation %s, Exposure compensation %d\n", params->saturation, params->ISO, params->videoStabilisation ? "Yes": "No", params->exposureCompensation);
fprintf(stderr, "Exposure Mode '%s', AWB Mode '%s', Image Effect '%s'\n", exp_mode, awb_mode, image_effect);
fprintf(stderr, "Flicker Avoid Mode '%s'\n", fl_mode);
fprintf(stderr, "Metering Mode '%s', Colour Effect Enabled %s with U = %d, V = %d\n", metering_mode, params->colourEffects.enable ? "Yes":"No", params->colourEffects.u, params->colourEffects.v);
fprintf(stderr, "Rotation %d, hflip %s, vflip %s\n", params->rotation, params->hflip ? "Yes":"No",params->vflip ? "Yes":"No");
fprintf(stderr, "ROI x %lf, y %f, w %f h %f\n", params->roi.x, params->roi.y, params->roi.w, params->roi.h);
}
/**
* Give the supplied parameter block a set of default values
* @params Pointer to parameter block
*/
void raspicamcontrol_set_defaults(RASPICAM_CAMERA_PARAMETERS *params)
{
vcos_assert(params);
params->sharpness = 0;
params->contrast = 0;
params->brightness = 50;
params->saturation = 0;
params->ISO = 0; // 0 = auto
params->videoStabilisation = 0;
params->exposureCompensation = 0;
params->exposureMode = MMAL_PARAM_EXPOSUREMODE_AUTO;
params->flickerAvoidMode = MMAL_PARAM_FLICKERAVOID_OFF;
params->exposureMeterMode = MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE;
params->awbMode = MMAL_PARAM_AWBMODE_AUTO;
params->imageEffect = MMAL_PARAM_IMAGEFX_NONE;
params->colourEffects.enable = 0;
params->colourEffects.u = 128;
params->colourEffects.v = 128;
params->rotation = 0;
params->hflip = params->vflip = 0;
params->roi.x = params->roi.y = 0.0;
params->roi.w = params->roi.h = 1.0;
params->shutter_speed = 0; // 0 = auto
params->awb_gains_r = 0; // Only have any function if AWB OFF is used.
params->awb_gains_b = 0;
params->drc_level = MMAL_PARAMETER_DRC_STRENGTH_OFF;
params->stats_pass = MMAL_FALSE;
params->enable_annotate = 0;
params->annotate_string[0] = '\0';
params->annotate_text_size = 0; //Use firmware default
params->annotate_text_colour = -1; //Use firmware default
params->annotate_bg_colour = -1; //Use firmware default
params->stereo_mode.mode = MMAL_STEREOSCOPIC_MODE_NONE;
params->stereo_mode.decimate = MMAL_FALSE;
params->stereo_mode.swap_eyes = MMAL_FALSE;
}
/**
* Get all the current camera parameters from specified camera component
* @param camera Pointer to camera component
* @param params Pointer to parameter block to accept settings
* @return 0 if successful, non-zero if unsuccessful
*/
int raspicamcontrol_get_all_parameters(MMAL_COMPONENT_T *camera, RASPICAM_CAMERA_PARAMETERS *params)
{
vcos_assert(camera);
vcos_assert(params);
if (!camera || !params)
return 1;