Controls don't work for LegacyRpiCam

[joaoantoniocardoso]

v4l2 controls don't take effect on rpicamsrc streams.

[joaoantoniocardoso]

Some of the Legacy Raspberry Pi camera controls are not supported yet:

ERROR 14:36:39.406 src/video/video_source_local.rs:380: Failed to get control 'Horizontal Flip (9963796)' from device /dev/video0: Custom {                                                 [10/9515]
    kind: Other,                                                                                                                                                                                     
    error: "Control type is not supported: Boolean(\n    false,\n)",                                                                                                                                 
}                                                                                                                                                                                                    
ERROR 14:36:39.406 src/video/video_source_local.rs:380: Failed to get control 'Vertical Flip (9963797)' from device /dev/video0: Custom {                                                            
    kind: Other,                                                                                                                                                                                     
    error: "Control type is not supported: Boolean(\n    false,\n)",                                                                                                                                 
}                                                                                                                                                                                                    
ERROR 14:36:39.407 src/video/video_source_local.rs:380: Failed to get control 'Power Line Frequency (9963800)' from device /dev/video0: Custom {                                                     
    kind: Other,                                                                                                                                                                                     
    error: "cannot handle control type",                                                                                                                                                             
}
ERROR 14:36:39.407 src/video/video_source_local.rs:380: Failed to get control 'Color Effects (9963807)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.407 src/video/video_source_local.rs:380: Failed to get control 'Video Bitrate Mode (10029518)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.407 src/video/video_source_local.rs:380: Failed to get control 'Repeat Sequence Header (10029538)' from device /dev/video0: Custom {
    kind: Other,
    error: "Control type is not supported: Boolean(\n    false,\n)",
}
ERROR 14:36:39.408 src/video/video_source_local.rs:380: Failed to get control 'Force Key Frame (10029541)' from device /dev/video0: Os {
    code: 13,
    kind: PermissionDenied,
    message: "Permission denied",
}
ERROR 14:36:39.408 src/video/video_source_local.rs:380: Failed to get control 'H264 Level (10029671)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.408 src/video/video_source_local.rs:380: Failed to get control 'H264 Profile (10029675)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.408 src/video/video_source_local.rs:380: Failed to get control 'Auto Exposure (10094849)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.409 src/video/video_source_local.rs:380: Failed to get control 'Exposure, Dynamic Framerate (10094851)' from device /dev/video0: Custom {
    kind: Other,
    error: "Control type is not supported: Boolean(\n    false,\n)",
}
ERROR 14:36:39.409 src/video/video_source_local.rs:380: Failed to get control 'Auto Exposure, Bias (10094867)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.409 src/video/video_source_local.rs:380: Failed to get control 'White Balance, Auto & Preset (10094868)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.409 src/video/video_source_local.rs:380: Failed to get control 'Image Stabilization (10094870)' from device /dev/video0: Custom {
    kind: Other,
    error: "Control type is not supported: Boolean(\n    false,\n)",
}
ERROR 14:36:39.409 src/video/video_source_local.rs:380: Failed to get control 'ISO Sensitivity (10094871)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.410 src/video/video_source_local.rs:380: Failed to get control 'ISO Sensitivity, Auto (10094872)' from device /dev/video0: Custom {
    kind: Other,
    error: "cannot handle control type",
}
ERROR 14:36:39.410 src/video/video_source_local.rs:380: Failed to get control 'Exposure, Metering Mode (10094873)' from device /dev/video0: Custom {                                                 
    kind: Other,                                                                                                                                                                                     
    error: "cannot handle control type",                                                                                                                                                             
}                                                                                                                                                                                                    
ERROR 14:36:39.410 src/video/video_source_local.rs:380: Failed to get control 'Scene Mode (10094874)' from device /dev/video0: Custom {                                                              
    kind: Other,                                                                                                                                                                                     
    error: "cannot handle control type",                                                                                                                                                             
}

[patrickelectric]

@joaoantoniocardoso some or all ?

[joaoantoniocardoso]

@joaoantoniocardoso some or all ?

Some, and almost certaintly it is a bug caused by #102. I'll confirm it, but we might revert that for now.

edit: Yeah, reverting that commit fixes some of the errors shown above, but either way there are controls that are not supported yet.