TX 6 V4L2 /dev/video0 Request decoder

gistfile1.txt

mark@arm-64:~$ v4l2-ctl --list-formats-ext
ioctl: VIDIOC_ENUM_FMT
	Type: Video Capture

	[0]: 'ST12' (Sunxi Tiled NV12 Format, compressed)
	[1]: 'NV12' (Y/CbCr 4:2:0)

mark@arm-64:~$ v4l2-ctl --list-formats-out-ext
ioctl: VIDIOC_ENUM_FMT
	Type: Video Output

	[0]: 'MG2S' (MPEG-2 Parsed Slice Data, compressed)
	[1]: 'S264' (H.264 Parsed Slice Data, compressed)
	[2]: 'S265' (HEVC Parsed Slice Data, compressed)
	[3]: 'VP8F' (VP8 Frame, compressed)
mark@arm-64:~$ v4l2-ctl --all
Driver Info:
	Driver name      : cedrus
	Card type        : cedrus
	Bus info         : platform:cedrus
	Driver version   : 5.9.0
	Capabilities     : 0x84208000
		Video Memory-to-Memory
		Streaming
		Extended Pix Format
		Device Capabilities
	Device Caps      : 0x04208000
		Video Memory-to-Memory
		Streaming
		Extended Pix Format
Media Driver Info:
	Driver name      : cedrus
	Model            : cedrus
	Serial           : 
	Bus info         : platform:cedrus
	Media version    : 5.9.0
	Hardware revision: 0x00000000 (0)
	Driver version   : 5.9.0
Interface Info:
	ID               : 0x0300000c
	Type             : V4L Video
Entity Info:
	ID               : 0x00000001 (1)
	Name             : cedrus-source
	Function         : V4L2 I/O
	Pad 0x01000002   : 0: Source
	  Link 0x02000008: to remote pad 0x1000004 of entity 'cedrus-proc': Data, Enabled, Immutable
Priority: 2
Format Video Capture:
	Width/Height      : 16/32
	Pixel Format      : 'ST12' (Sunxi Tiled NV12 Format)
	Field             : None
	Bytes per Line    : 32
	Size Image        : 1536
	Colorspace        : Default
	Transfer Function : Default (maps to Rec. 709)
	YCbCr/HSV Encoding: Default (maps to ITU-R 601)
	Quantization      : Default (maps to Full Range)
	Flags             : 
Format Video Output:
	Width/Height      : 16/32
	Pixel Format      : 'MG2S' (MPEG-2 Parsed Slice Data)
	Field             : None
	Bytes per Line    : 0
	Size Image        : 1024
	Colorspace        : Default
	Transfer Function : Default (maps to Rec. 709)
	YCbCr/HSV Encoding: Default (maps to ITU-R 601)
	Quantization      : Default (maps to Full Range)
	Flags             : 

Codec Controls

        mpeg_2_slice_parameters 0x009909fa (unknown): type=103 flags=has-payload
   mpeg_2_quantization_matrices 0x009909fb (unknown): type=104 flags=has-payload
    h264_sequence_parameter_set 0x00990ce8 (unknown): type=110 flags=has-payload
     h264_picture_parameter_set 0x00990ce9 (unknown): type=111 flags=has-payload
            h264_scaling_matrix 0x00990cea (unknown): type=112 flags=has-payload
          h264_slice_parameters 0x00990ceb (unknown): type=113 flags=has-payload
         h264_decode_parameters 0x00990cec (unknown): type=114 flags=has-payload
               h264_decode_mode 0x00990ced (menu)   : min=0 max=0 default=0 value=0
				0: Slice-Based
                h264_start_code 0x00990cee (menu)   : min=0 max=0 default=0 value=0
				0: No Start Code
    hevc_sequence_parameter_set 0x00990cf0 (unknown): type=120 flags=has-payload
     hevc_picture_parameter_set 0x00990cf1 (unknown): type=121 flags=has-payload
          hevc_slice_parameters 0x00990cf2 (unknown): type=122 flags=has-payload
            hevc_scaling_matrix 0x00990cf3 (unknown): type=123 flags=has-payload
               hevc_decode_mode 0x00990cf7 (menu)   : min=0 max=0 default=0 value=0
				0: Slice-Based
                hevc_start_code 0x00990cf8 (menu)   : min=0 max=0 default=0 value=0
				0: No Start Code
               vp8_frame_header 0x009910d0 (unknown): type=301 flags=has-payload