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From: Hans Verkuil <hverkuil@xs4all.nl>
To: Pawel Osciak <posciak@chromium.org>
Cc: linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com
Subject: Re: [PATCH v1 16/19] v4l: Add encoding camera controls.
Date: Fri, 30 Aug 2013 08:48:56 +0200	[thread overview]
Message-ID: <52204058.6070008@xs4all.nl> (raw)
In-Reply-To: <1377829038-4726-17-git-send-email-posciak@chromium.org>

On 08/30/2013 04:17 AM, Pawel Osciak wrote:
> Add defines for controls found in UVC 1.5 encoding cameras.
> 
> Signed-off-by: Pawel Osciak <posciak@chromium.org>
> ---
>  drivers/media/v4l2-core/v4l2-ctrls.c | 29 +++++++++++++++++++++++++++++
>  include/uapi/linux/v4l2-controls.h   | 31 +++++++++++++++++++++++++++++++
>  2 files changed, 60 insertions(+)
> 
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
> index c3f0803..0b3a632 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls.c
> @@ -781,6 +781,35 @@ const char *v4l2_ctrl_get_name(u32 id)
>  	case V4L2_CID_AUTO_FOCUS_STATUS:	return "Auto Focus, Status";
>  	case V4L2_CID_AUTO_FOCUS_RANGE:		return "Auto Focus, Range";
>  
> +	case V4L2_CID_ENCODER_MIN_FRAME_INTERVAL: return "Encoder, min. frame interval";
> +	case V4L2_CID_ENCODER_RATE_CONTROL_MODE: return "Encoder, rate control mode";
> +	case V4L2_CID_ENCODER_AVERAGE_BITRATE:	return "Encoder, average bitrate";
> +	case V4L2_CID_ENCODER_CPB_SIZE:		return "Encoder, CPB size";
> +	case V4L2_CID_ENCODER_PEAK_BIT_RATE:	return "Encoder, peak bit rate";
> +	case V4L2_CID_ENCODER_QP_PARAM_I:	return "Encoder, QP param for I frames";
> +	case V4L2_CID_ENCODER_QP_PARAM_P:	return "Encoder, QP param for P frames";
> +	case V4L2_CID_ENCODER_QP_PARAM_BG:	return "Encoder, QP param for B/G frames";

A lot of these exist already. E.g. V4L2_CID_MPEG_VIDEO_MPEG4_I/P/B_FRAME_QP.

Samsung added support for many of these parameters for their MFC encoder (including
VP8 support) so you should use them as well. As mentioned in v4l2-controls.h the
MPEG part of the control name is historical. Interpret it as 'CODEC', not MPEG.

> +	case V4L2_CID_ENCODER_NUM_GDR_FRAMES:	return "Encoder, number of GDR frames";
> +	case V4L2_CID_ENCODER_LTR_BUFFER_CONTROL: return "Encoder, LTR buffer control";
> +	case V4L2_CID_ENCODER_LTR_BUFFER_TRUST_MODE: return "Encoder, LTR buffer trust mode";
> +	case V4L2_CID_ENCODER_LTR_PICTURE_POSITION: return "Encoder, LTR picture position";
> +	case V4L2_CID_ENCODER_LTR_PICTURE_MODE:	return "Encoder, LTR picture mode";
> +	case V4L2_CID_ENCODER_LTR_VALIDATION:	return "Encoder, LTR validation";
> +	case V4L2_CID_ENCODER_MIN_QP:		return "Encoder, minimum QP param";
> +	case V4L2_CID_ENCODER_MAX_QP:		return "Encoder, maximum QP param";
> +	case V4L2_CID_ENCODER_SYNC_FRAME_INTERVAL: return "Encoder, sync frame interval";
> +	case V4L2_CID_ENCODER_ERROR_RESILIENCY:	return "Encoder, error resiliency";
> +	case V4L2_CID_ENCODER_TEMPORAL_LAYER_ENABLE: return "Encoder, temporal layer enable";
> +
> +	case V4L2_CID_ENCODER_VP8_SLICE_MODE:	return "Encoder, VP8 slice mode";
> +	case V4L2_CID_ENCODER_VP8_SYNC_FRAME_TYPE: return "Encoder, VP8 sync frame type";
> +	case V4L2_CID_ENCODER_VP8_DCT_PARTS_PER_FRAME: return "Encoder, VP8, DCT partitions per frame";
> +
> +	case V4L2_CID_ENCODER_H264_PROFILE_TOOLSET: return "Encoder, H.264 profile and toolset";
> +	case V4L2_CID_ENCODER_H264_LEVEL_IDC_LIMIT: return "Encoder, H.264 level IDC limit";
> +	case V4L2_CID_ENCODER_H264_SEI_PAYLOAD_TYPE: return "Encoder, H.264 SEI payload type";
> +	case V4L2_CID_ENCODER_H264_LAYER_PRIORITY: return "Encoder, H.264 layer priority";
> +
>  	/* FM Radio Modulator control */
>  	/* Keep the order of the 'case's the same as in videodev2.h! */
>  	case V4L2_CID_FM_TX_CLASS:		return "FM Radio Modulator Controls";
> diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
> index 083bb5a..ef3a30d 100644
> --- a/include/uapi/linux/v4l2-controls.h
> +++ b/include/uapi/linux/v4l2-controls.h
> @@ -729,6 +729,37 @@ enum v4l2_auto_focus_range {
>  	V4L2_AUTO_FOCUS_RANGE_INFINITY		= 3,
>  };
>  
> +/* Controls found in UVC 1.5 encoding cameras */
> +#define V4L2_CID_ENCODER_MIN_FRAME_INTERVAL	(V4L2_CID_CAMERA_CLASS_BASE+32)
> +#define V4L2_CID_ENCODER_RATE_CONTROL_MODE	(V4L2_CID_CAMERA_CLASS_BASE+33)
> +#define V4L2_CID_ENCODER_AVERAGE_BITRATE	(V4L2_CID_CAMERA_CLASS_BASE+34)
> +#define V4L2_CID_ENCODER_CPB_SIZE		(V4L2_CID_CAMERA_CLASS_BASE+35)
> +#define V4L2_CID_ENCODER_PEAK_BIT_RATE		(V4L2_CID_CAMERA_CLASS_BASE+36)
> +#define V4L2_CID_ENCODER_QP_PARAM_I		(V4L2_CID_CAMERA_CLASS_BASE+37)
> +#define V4L2_CID_ENCODER_QP_PARAM_P		(V4L2_CID_CAMERA_CLASS_BASE+38)
> +#define V4L2_CID_ENCODER_QP_PARAM_BG		(V4L2_CID_CAMERA_CLASS_BASE+39)
> +#define V4L2_CID_ENCODER_NUM_GDR_FRAMES		(V4L2_CID_CAMERA_CLASS_BASE+40)
> +#define V4L2_CID_ENCODER_LTR_BUFFER_CONTROL	(V4L2_CID_CAMERA_CLASS_BASE+41)
> +#define V4L2_CID_ENCODER_LTR_BUFFER_TRUST_MODE	(V4L2_CID_CAMERA_CLASS_BASE+42)
> +#define V4L2_CID_ENCODER_LTR_PICTURE_POSITION	(V4L2_CID_CAMERA_CLASS_BASE+43)
> +#define V4L2_CID_ENCODER_LTR_PICTURE_MODE	(V4L2_CID_CAMERA_CLASS_BASE+44)
> +#define V4L2_CID_ENCODER_LTR_VALIDATION		(V4L2_CID_CAMERA_CLASS_BASE+45)
> +#define V4L2_CID_ENCODER_MIN_QP			(V4L2_CID_CAMERA_CLASS_BASE+46)
> +#define V4L2_CID_ENCODER_MAX_QP			(V4L2_CID_CAMERA_CLASS_BASE+47)
> +#define V4L2_CID_ENCODER_SYNC_FRAME_INTERVAL	(V4L2_CID_CAMERA_CLASS_BASE+48)
> +#define V4L2_CID_ENCODER_ERROR_RESILIENCY	(V4L2_CID_CAMERA_CLASS_BASE+49)
> +#define V4L2_CID_ENCODER_TEMPORAL_LAYER_ENABLE	(V4L2_CID_CAMERA_CLASS_BASE+50)
> +
> +/* VP8-specific controls */
> +#define V4L2_CID_ENCODER_VP8_SLICE_MODE		(V4L2_CID_CAMERA_CLASS_BASE+51)
> +#define V4L2_CID_ENCODER_VP8_DCT_PARTS_PER_FRAME (V4L2_CID_CAMERA_CLASS_BASE+52)
> +#define V4L2_CID_ENCODER_VP8_SYNC_FRAME_TYPE	(V4L2_CID_CAMERA_CLASS_BASE+53)
> +
> +/* H.264-specific controls */
> +#define V4L2_CID_ENCODER_H264_PROFILE_TOOLSET	(V4L2_CID_CAMERA_CLASS_BASE+54)
> +#define V4L2_CID_ENCODER_H264_LEVEL_IDC_LIMIT	(V4L2_CID_CAMERA_CLASS_BASE+55)
> +#define V4L2_CID_ENCODER_H264_SEI_PAYLOAD_TYPE	(V4L2_CID_CAMERA_CLASS_BASE+56)
> +#define V4L2_CID_ENCODER_H264_LAYER_PRIORITY	(V4L2_CID_CAMERA_CLASS_BASE+57)

Codec controls go to the MPEG class, not the CAMERA class.

Regards,

	Hans

>  
>  /* FM Modulator class control IDs */
>  
> 


  reply	other threads:[~2013-08-30  6:49 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-30  2:16 [PATCH v1 00/19] UVC 1.5 VP8 support for uvcvideo Pawel Osciak
2013-08-30  2:17 ` [PATCH v1 01/19] uvcvideo: Add UVC query tracing Pawel Osciak
2013-09-03 20:17   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 02/19] uvcvideo: Return 0 when setting probe control succeeds Pawel Osciak
2013-09-03 20:21   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 03/19] uvcvideo: Add support for multiple chains with common roots Pawel Osciak
2013-11-10 20:37   ` Laurent Pinchart
2013-11-11 13:55     ` Paulo Assis
2013-08-30  2:17 ` [PATCH v1 04/19] uvcvideo: Create separate debugfs entries for each streaming interface Pawel Osciak
2013-09-03 20:28   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 05/19] uvcvideo: Add support for UVC1.5 P&C control Pawel Osciak
2013-09-03 20:42   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 06/19] uvcvideo: Recognize UVC 1.5 encoding units Pawel Osciak
2013-11-10 21:46   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 07/19] uvcvideo: Unify error reporting during format descriptor parsing Pawel Osciak
2013-09-03 20:55   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 08/19] uvcvideo: Add UVC1.5 VP8 format support Pawel Osciak
2013-11-10 22:30   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 09/19] uvcvideo: Reorganize uvc_{get,set}_le_value Pawel Osciak
2013-11-10 22:34   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 10/19] uvcvideo: Support UVC 1.5 runtime control property Pawel Osciak
2013-08-30  6:36   ` Hans Verkuil
2013-11-10 22:51   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 11/19] uvcvideo: Support V4L2_CTRL_TYPE_BITMASK controls Pawel Osciak
2013-11-10 22:57   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 12/19] uvcvideo: Reorganize next buffer handling Pawel Osciak
2013-11-10 23:43   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 13/19] uvcvideo: Unify UVC payload header parsing Pawel Osciak
2013-11-11  1:27   ` Laurent Pinchart
2013-11-11  1:46   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 14/19] v4l: Add v4l2_buffer flags for VP8-specific special frames Pawel Osciak
2013-08-30  6:42   ` Hans Verkuil
     [not found]     ` <CACHYQ-pUhmPhMrbE8QWM+r6OWbBnOx7g6vjQvOxBSoodnPk4+Q@mail.gmail.com>
2013-08-30  8:12       ` Hans Verkuil
2013-08-31 17:42         ` Sakari Ailus
2013-08-31 17:44   ` Sakari Ailus
2013-11-11  1:27   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 15/19] uvcvideo: Add support for VP8 special frame flags Pawel Osciak
2013-11-11  1:49   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 16/19] v4l: Add encoding camera controls Pawel Osciak
2013-08-30  6:48   ` Hans Verkuil [this message]
2013-09-09  3:48     ` Pawel Osciak
2013-09-09  7:52       ` Hans Verkuil
2013-09-09  7:59         ` Pawel Osciak
2013-09-09  9:00           ` Kamil Debski
2013-09-09  9:09             ` Sylwester Nawrocki
2013-09-10  9:17               ` Hans Verkuil
2013-09-12  1:10                 ` Pawel Osciak
2013-09-12  4:20                   ` Hans Verkuil
2013-11-11  1:53   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 17/19] uvcvideo: Add UVC 1.5 Encoding Unit controls Pawel Osciak
2013-11-11  2:33   ` Laurent Pinchart
2013-08-30  2:17 ` [PATCH v1 18/19] v4l: Add V4L2_PIX_FMT_VP8_SIMULCAST format Pawel Osciak
2013-08-31 17:52   ` Sakari Ailus
2013-08-30  2:17 ` [PATCH v1 19/19] uvcvideo: Add support for UVC 1.5 VP8 simulcast Pawel Osciak
2013-10-10 10:27 ` [PATCH v1 00/19] UVC 1.5 VP8 support for uvcvideo Paulo Assis
2013-11-11  2:05   ` Laurent Pinchart
2013-11-11 10:00     ` Paulo Assis

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