/**
* 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;
}
/**
* 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_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 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 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 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;
}
/**
* Parse the incoming command line and put resulting parameters in to the state
*
* @param argc Number of arguments in command line
* @param argv Array of pointers to strings from command line
* @param state Pointer to state structure to assign any discovered parameters to
* @return Non-0 if failed for some reason, 0 otherwise
*/
static int parse_cmdline(int argc, const char **argv, RASPIVID_STATE *state)
{
// Parse the command line arguments.
// We are looking for --<something> or -<abreviation of something>
int valid = 1;
int i;
for (i = 1; i < argc && valid; i++)
{
int command_id, num_parameters;
if (!argv[i])
continue;
if (argv[i][0] != '-')
{
valid = 0;
continue;
}
// Assume parameter is valid until proven otherwise
valid = 1;
command_id = raspicli_get_command_id(cmdline_commands, cmdline_commands_size, &argv[i][1], &num_parameters);
// If we found a command but are missing a parameter, continue (and we will drop out of the loop)
if (command_id != -1 && num_parameters > 0 && (i + 1 >= argc) )
continue;
// We are now dealing with a command line option
switch (command_id)
{
case CommandHelp:
display_valid_parameters(basename(argv[0]));
return -1;
case CommandWidth: // Width > 0
if (sscanf(argv[i + 1], "%u", &state->width) != 1)
valid = 0;
else
i++;
break;
case CommandHeight: // Height > 0
if (sscanf(argv[i + 1], "%u", &state->height) != 1)
valid = 0;
else
i++;
break;
case CommandBitrate: // 1-100
if (sscanf(argv[i + 1], "%u", &state->bitrate) == 1)
{
if (state->bitrate > MAX_BITRATE)
{
state->bitrate = MAX_BITRATE;
}
i++;
}
else
valid = 0;
break;
case CommandOutput: // output filename
{
int len = strlen(argv[i + 1]);
if (len)
{
state->filename = malloc(len + 1);
vcos_assert(state->filename);
if (state->filename)
strncpy(state->filename, argv[i + 1], len);
i++;
}
else
valid = 0;
break;
}
case CommandVerbose: // display lots of data during run
state->verbose = 1;
break;
case CommandTimeout: // Time to run viewfinder/capture
{
if (sscanf(argv[i + 1], "%u", &state->timeout) == 1)
{
// TODO : What limits do we need for timeout?
i++;
}
else
valid = 0;
break;
}
case CommandDemoMode: // Run in demo mode - no capture
{
// Demo mode might have a timing parameter
// so check if a) we have another parameter, b) its not the start of the next option
if (i + 1 < argc && argv[i+1][0] != '-')
{
if (sscanf(argv[i + 1], "%u", &state->demoInterval) == 1)
{
// TODO : What limits do we need for timeout?
if (state->demoInterval == 0)
state->demoInterval = 250; // ms
state->demoMode = 1;
i++;
}
else
valid = 0;
}
else
{
state->demoMode = 1;
}
break;
}
case CommandFramerate: // fps to record
{
if (sscanf(argv[i + 1], "%u", &state->framerate) == 1)
{
// TODO : What limits do we need for fps 1 - 30 - 120??
i++;
}
else
valid = 0;
break;
}
case CommandPreviewEnc:
state->immutableInput = 0;
break;
case CommandIntraPeriod: // key frame rate
{
if (sscanf(argv[i + 1], "%u", &state->intraperiod) == 1)
i++;
else
valid = 0;
break;
}
case CommandProfile: // H264 profile
{
state->profile = raspicli_map_xref(argv[i + 1], profile_map, profile_map_size);
if( state->profile == -1)
state->profile = MMAL_VIDEO_PROFILE_H264_HIGH;
i++;
break;
}
default:
{
// Try parsing for any image specific parameters
// result indicates how many parameters were used up, 0,1,2
// but we adjust by -1 as we have used one already
const char *second_arg = (i + 1 < argc) ? argv[i + 1] : NULL;
int parms_used = (raspicamcontrol_parse_cmdline(&state->camera_parameters, &argv[i][1], second_arg));
// Still unused, try preview options
if (!parms_used)
parms_used = raspipreview_parse_cmdline(&state->preview_parameters, &argv[i][1], second_arg);
// If no parms were used, this must be a bad parameters
if (!parms_used)
valid = 0;
else
i += parms_used - 1;
break;
}
}
}
if (!valid)
{
fprintf(stderr, "Invalid command line option (%s)\n", argv[i]);
return 1;
}
// Always disable verbose if output going to stdout
if (state->filename && state->filename[0] == '-')
{
state->verbose = 0;
}
return 0;
}
