sys/uvch264/uvc_h264.h - mtk-gst-plugins-bad - Git at Google

 /*
  * uvc_h264.h - Definitions of the UVC H.264 Payload specification Version 1.0
  *
  *             Copyright (c) 2011 USB Implementers Forum, Inc.
  *
  * Modification into glib-like header by :
  * Copyright (C) 2012 Cisco Systems, Inc.
  *   Author: Youness Alaoui <youness.alaoui@collabora.co.uk>
  *
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */

 #ifndef _UVC_H264_H_
 #define _UVC_H264_H_

 /* Header File for the little-endian platform */

 #include <glib.h>
 #include <glib-object.h>

 /* bmHints defines */

 #define UVC_H264_BMHINTS_RESOLUTION        (0x0001)
 #define UVC_H264_BMHINTS_PROFILE           (0x0002)
 #define UVC_H264_BMHINTS_RATECONTROL       (0x0004)
 #define UVC_H264_BMHINTS_USAGE             (0x0008)
 #define UVC_H264_BMHINTS_SLICEMODE         (0x0010)
 #define UVC_H264_BMHINTS_SLICEUNITS        (0x0020)
 #define UVC_H264_BMHINTS_MVCVIEW           (0x0040)
 #define UVC_H264_BMHINTS_TEMPORAL          (0x0080)
 #define UVC_H264_BMHINTS_SNR               (0x0100)
 #define UVC_H264_BMHINTS_SPATIAL           (0x0200)
 #define UVC_H264_BMHINTS_SPATIAL_RATIO     (0x0400)
 #define UVC_H264_BMHINTS_FRAME_INTERVAL    (0x0800)
 #define UVC_H264_BMHINTS_LEAKY_BKT_SIZE    (0x1000)
 #define UVC_H264_BMHINTS_BITRATE           (0x2000)
 #define UVC_H264_BMHINTS_ENTROPY           (0x4000)
 #define UVC_H264_BMHINTS_IFRAMEPERIOD      (0x8000)


 #define UVC_H264_QP_STEPS_I_FRAME_TYPE     (0x01)
 #define UVC_H264_QP_STEPS_P_FRAME_TYPE     (0x02)
 #define UVC_H264_QP_STEPS_B_FRAME_TYPE     (0x04)
 #define UVC_H264_QP_STEPS_ALL_FRAME_TYPES  (UVC_H264_QP_STEPS_I_FRAME_TYPE | \
       UVC_H264_QP_STEPS_P_FRAME_TYPE | UVC_H264_QP_STEPS_B_FRAME_TYPE)

 /* wSliceMode defines */

 typedef enum
 {
   UVC_H264_SLICEMODE_IGNORED = 0x0000,
   UVC_H264_SLICEMODE_BITSPERSLICE = 0x0001,
   UVC_H264_SLICEMODE_MBSPERSLICE = 0x0002,
   UVC_H264_SLICEMODE_SLICEPERFRAME = 0x0003
 } UvcH264SliceMode;

 #define UVC_H264_SLICEMODE_TYPE (uvc_h264_slicemode_get_type())

 GType uvc_h264_slicemode_get_type (void);

 /* bUsageType defines */

 typedef enum {
   UVC_H264_USAGETYPE_REALTIME = 0x01,
   UVC_H264_USAGETYPE_BROADCAST = 0x02,
   UVC_H264_USAGETYPE_STORAGE = 0x03,
   UVC_H264_USAGETYPE_UCCONFIG_0 = 0x04,
   UVC_H264_USAGETYPE_UCCONFIG_1 = 0x05,
   UVC_H264_USAGETYPE_UCCONFIG_2Q = 0x06,
   UVC_H264_USAGETYPE_UCCONFIG_2S = 0x07,
   UVC_H264_USAGETYPE_UCCONFIG_3 = 0x08,
 } UvcH264UsageType;

 #define UVC_H264_USAGETYPE_TYPE (uvc_h264_usagetype_get_type())

 GType uvc_h264_usagetype_get_type (void);

 /* bRateControlMode defines */

 typedef enum {
   UVC_H264_RATECONTROL_CBR = 0x01,
   UVC_H264_RATECONTROL_VBR = 0x02,
   UVC_H264_RATECONTROL_CONST_QP = 0x03,
 } UvcH264RateControl;

 #define UVC_H264_RATECONTROL_FIXED_FRM_FLG (0x10)

 #define UVC_H264_RATECONTROL_TYPE (uvc_h264_ratecontrol_get_type())

 GType uvc_h264_ratecontrol_get_type (void);

 /* bStreamFormat defines */

 typedef enum {
   UVC_H264_STREAMFORMAT_ANNEXB = 0x00,
   UVC_H264_STREAMFORMAT_NAL = 0x01,
 } UvcH264StreamFormat;

 #define UVC_H264_STREAMFORMAT_TYPE (uvc_h264_streamformat_get_type())

 GType uvc_h264_streamformat_get_type (void);

 /* bEntropyCABAC defines */

 typedef enum {
   UVC_H264_ENTROPY_CAVLC = 0x00,
   UVC_H264_ENTROPY_CABAC = 0x01,
 } UvcH264Entropy;

 #define UVC_H264_ENTROPY_TYPE (uvc_h264_entropy_get_type())

 GType uvc_h264_entropy_get_type (void);

 /* bProfile defines */
 #define UVC_H264_PROFILE_CONSTRAINED_BASELINE 0x4240
 #define UVC_H264_PROFILE_BASELINE 0x4200
 #define UVC_H264_PROFILE_MAIN 0x4D00
 #define UVC_H264_PROFILE_HIGH 0x6400

 /* bTimingstamp defines */

 #define UVC_H264_TIMESTAMP_SEI_DISABLE     (0x00)
 #define UVC_H264_TIMESTAMP_SEI_ENABLE      (0x01)

 /* bPreviewFlipped defines */

 #define UVC_H264_PREFLIPPED_DISABLE        (0x00)
 #define UVC_H264_PREFLIPPED_HORIZONTAL     (0x01)

 /* wPicType defines */
 #define UVC_H264_PICTYPE_I_FRAME              (0x00)
 #define UVC_H264_PICTYPE_IDR                  (0x01)
 #define UVC_H264_PICTYPE_IDR_WITH_PPS_SPS     (0x02)


 /* wLayerID Macro */

 /*                              wLayerID
   |------------+------------+------------+----------------+------------|
   |  Reserved  |  StreamID  | QualityID  |  DependencyID  | TemporalID |
   |  (3 bits)  |  (3 bits)  | (3 bits)   |  (4 bits)      | (3 bits)   |
   |------------+------------+------------+----------------+------------|
   |15        13|12        10|9          7|6              3|2          0|
   |------------+------------+------------+----------------+------------|
 */

 #define xLayerID(stream_id, quality_id, dependency_id, temporal_id) \
   ((((stream_id) & 7) << 10) |                                      \
       (((quality_id) & 7) << 7) |                                   \
       (((dependency_id) & 15) << 3) |                               \
       ((temporal_id) & 7))

 /* id extraction from wLayerID */

 #define xStream_id(layer_id)      (((layer_id) >> 10) & 7)
 #define xQuality_id(layer_id)     (((layer_id) >> 7) & 7)
 #define xDependency_id(layer_id)  (((layer_id) >> 3) & 15)
 #define xTemporal_id(layer_id)    ((layer_id)&7)

 /* UVC H.264 control selectors */

 typedef enum _uvcx_control_selector_t
 {
 	UVCX_VIDEO_CONFIG_PROBE			= 0x01,
 	UVCX_VIDEO_CONFIG_COMMIT		= 0x02,
 	UVCX_RATE_CONTROL_MODE			= 0x03,
 	UVCX_TEMPORAL_SCALE_MODE		= 0x04,
 	UVCX_SPATIAL_SCALE_MODE			= 0x05,
 	UVCX_SNR_SCALE_MODE				= 0x06,
 	UVCX_LTR_BUFFER_SIZE_CONTROL	= 0x07,
 	UVCX_LTR_PICTURE_CONTROL		= 0x08,
 	UVCX_PICTURE_TYPE_CONTROL		= 0x09,
 	UVCX_VERSION					= 0x0A,
 	UVCX_ENCODER_RESET				= 0x0B,
 	UVCX_FRAMERATE_CONFIG			= 0x0C,
 	UVCX_VIDEO_ADVANCE_CONFIG		= 0x0D,
 	UVCX_BITRATE_LAYERS				= 0x0E,
 	UVCX_QP_STEPS_LAYERS			= 0x0F,
 } uvcx_control_selector_t;


 typedef struct _uvcx_video_config_probe_commit_t
 {
 	guint32	dwFrameInterval;
 	guint32	dwBitRate;
 	guint16	bmHints;
 	guint16	wConfigurationIndex;
 	guint16	wWidth;
 	guint16	wHeight;
 	guint16	wSliceUnits;
 	guint16	wSliceMode;
 	guint16	wProfile;
 	guint16	wIFramePeriod;
 	guint16	wEstimatedVideoDelay;
 	guint16	wEstimatedMaxConfigDelay;
 	guint8	bUsageType;
 	guint8	bRateControlMode;
 	guint8	bTemporalScaleMode;
 	guint8	bSpatialScaleMode;
 	guint8	bSNRScaleMode;
 	guint8	bStreamMuxOption;
 	guint8	bStreamFormat;
 	guint8	bEntropyCABAC;
 	guint8	bTimestamp;
 	guint8	bNumOfReorderFrames;
 	guint8	bPreviewFlipped;
 	guint8	bView;
 	guint8	bReserved1;
 	guint8	bReserved2;
 	guint8	bStreamID;
 	guint8	bSpatialLayerRatio;
 	guint16	wLeakyBucketSize;
 } __attribute__((packed)) uvcx_video_config_probe_commit_t;


 typedef struct _uvcx_rate_control_mode_t
 {
 	guint16	wLayerID;
 	guint8	bRateControlMode;
 } __attribute__((packed)) uvcx_rate_control_mode_t;


 typedef struct _uvcx_temporal_scale_mode_t
 {
 	guint16	wLayerID;
 	guint8	bTemporalScaleMode;
 } __attribute__((packed)) uvcx_temporal_scale_mode_t;


 typedef struct _uvcx_spatial_scale_mode_t
 {
 	guint16	wLayerID;
 	guint8	bSpatialScaleMode;
 } __attribute__((packed)) uvcx_spatial_scale_mode_t;


 typedef struct _uvcx_snr_scale_mode_t
 {
 	guint16	wLayerID;
 	guint8	bSNRScaleMode;
 	guint8	bMGSSublayerMode;
 } __attribute__((packed)) uvcx_snr_scale_mode_t;


 typedef struct _uvcx_ltr_buffer_size_control_t
 {
 	guint16	wLayerID;
 	guint8	bLTRBufferSize;
 	guint8	bLTREncoderControl;
 } __attribute__((packed)) uvcx_ltr_buffer_size_control_t;

 typedef struct _uvcx_ltr_picture_control
 {
 	guint16	wLayerID;
 	guint8	bPutAtPositionInLTRBuffer;
 	guint8	bEncodeUsingLTR;
 } __attribute__((packed)) uvcx_ltr_picture_control;


 typedef struct _uvcx_picture_type_control_t
 {
 	guint16	wLayerID;
 	guint16	wPicType;
 } __attribute__((packed)) uvcx_picture_type_control_t;


 typedef struct _uvcx_version_t
 {
 	guint16	wVersion;
 } __attribute__((packed)) uvcx_version_t;


 typedef struct _uvcx_encoder_reset
 {
 	guint16	wLayerID;
 } __attribute__((packed)) uvcx_encoder_reset;


 typedef struct _uvcx_framerate_config_t
 {
 	guint16	wLayerID;
 	guint32	dwFrameInterval;
 } __attribute__((packed)) uvcx_framerate_config_t;


 typedef struct _uvcx_video_advance_config_t
 {
 	guint16	wLayerID;
 	guint32	dwMb_max;
 	guint8	blevel_idc;
 	guint8	bReserved;
 } __attribute__((packed)) uvcx_video_advance_config_t;


 typedef struct _uvcx_bitrate_layers_t
 {
 	guint16	wLayerID;
 	guint32	dwPeakBitrate;
 	guint32	dwAverageBitrate;
 } __attribute__((packed)) uvcx_bitrate_layers_t;


 typedef struct _uvcx_qp_steps_layers_t
 {
 	guint16	wLayerID;
 	guint8	bFrameType;
 	guint8	bMinQp;
 	guint8	bMaxQp;
 } __attribute__((packed)) uvcx_qp_steps_layers_t;


 #ifdef _WIN32
 // GUID of the UVC H.264 extension unit: {A29E7641-DE04-47E3-8B2B-F4341AFF003B}
 DEFINE_GUID(GUID_UVCX_H264_XU, 0xA29E7641, 0xDE04, 0x47E3, 0x8B, 0x2B, 0xF4, 0x34, 0x1A, 0xFF, 0x00, 0x3B);
 #else
 #define GUID_UVCX_H264_XU                                               \
   {0x41, 0x76, 0x9e, 0xa2, 0x04, 0xde, 0xe3, 0x47, 0x8b, 0x2b, 0xF4, 0x34, 0x1A, 0xFF, 0x00, 0x3B}
 #endif

 #endif  /*_UVC_H264_H_*/
	/*
	* uvc_h264.h - Definitions of the UVC H.264 Payload specification Version 1.0
	*
	* Copyright (c) 2011 USB Implementers Forum, Inc.
	*
	* Modification into glib-like header by :
	* Copyright (C) 2012 Cisco Systems, Inc.
	* Author: Youness Alaoui <youness.alaoui@collabora.co.uk>
	*
	*
	* Permission is hereby granted, free of charge, to any person obtaining a copy
	* of this software and associated documentation files (the "Software"), to deal
	* in the Software without restriction, including without limitation the rights
	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	* copies of the Software, and to permit persons to whom the Software is
	* furnished to do so, subject to the following conditions:
	* The above copyright notice and this permission notice shall be included in
	* all copies or substantial portions of the Software.
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	* THE SOFTWARE.
	*/

	#ifndef _UVC_H264_H_
	#define _UVC_H264_H_

	/* Header File for the little-endian platform */

	#include <glib.h>
	#include <glib-object.h>

	/* bmHints defines */

	#define UVC_H264_BMHINTS_RESOLUTION (0x0001)
	#define UVC_H264_BMHINTS_PROFILE (0x0002)
	#define UVC_H264_BMHINTS_RATECONTROL (0x0004)
	#define UVC_H264_BMHINTS_USAGE (0x0008)
	#define UVC_H264_BMHINTS_SLICEMODE (0x0010)
	#define UVC_H264_BMHINTS_SLICEUNITS (0x0020)
	#define UVC_H264_BMHINTS_MVCVIEW (0x0040)
	#define UVC_H264_BMHINTS_TEMPORAL (0x0080)
	#define UVC_H264_BMHINTS_SNR (0x0100)
	#define UVC_H264_BMHINTS_SPATIAL (0x0200)
	#define UVC_H264_BMHINTS_SPATIAL_RATIO (0x0400)
	#define UVC_H264_BMHINTS_FRAME_INTERVAL (0x0800)
	#define UVC_H264_BMHINTS_LEAKY_BKT_SIZE (0x1000)
	#define UVC_H264_BMHINTS_BITRATE (0x2000)
	#define UVC_H264_BMHINTS_ENTROPY (0x4000)
	#define UVC_H264_BMHINTS_IFRAMEPERIOD (0x8000)


	#define UVC_H264_QP_STEPS_I_FRAME_TYPE (0x01)
	#define UVC_H264_QP_STEPS_P_FRAME_TYPE (0x02)
	#define UVC_H264_QP_STEPS_B_FRAME_TYPE (0x04)
	#define UVC_H264_QP_STEPS_ALL_FRAME_TYPES (UVC_H264_QP_STEPS_I_FRAME_TYPE \| \
	UVC_H264_QP_STEPS_P_FRAME_TYPE \| UVC_H264_QP_STEPS_B_FRAME_TYPE)

	/* wSliceMode defines */

	typedef enum
	{
	UVC_H264_SLICEMODE_IGNORED = 0x0000,
	UVC_H264_SLICEMODE_BITSPERSLICE = 0x0001,
	UVC_H264_SLICEMODE_MBSPERSLICE = 0x0002,
	UVC_H264_SLICEMODE_SLICEPERFRAME = 0x0003
	} UvcH264SliceMode;

	#define UVC_H264_SLICEMODE_TYPE (uvc_h264_slicemode_get_type())

	GType uvc_h264_slicemode_get_type (void);

	/* bUsageType defines */

	typedef enum {
	UVC_H264_USAGETYPE_REALTIME = 0x01,
	UVC_H264_USAGETYPE_BROADCAST = 0x02,
	UVC_H264_USAGETYPE_STORAGE = 0x03,
	UVC_H264_USAGETYPE_UCCONFIG_0 = 0x04,
	UVC_H264_USAGETYPE_UCCONFIG_1 = 0x05,
	UVC_H264_USAGETYPE_UCCONFIG_2Q = 0x06,
	UVC_H264_USAGETYPE_UCCONFIG_2S = 0x07,
	UVC_H264_USAGETYPE_UCCONFIG_3 = 0x08,
	} UvcH264UsageType;

	#define UVC_H264_USAGETYPE_TYPE (uvc_h264_usagetype_get_type())

	GType uvc_h264_usagetype_get_type (void);

	/* bRateControlMode defines */

	typedef enum {
	UVC_H264_RATECONTROL_CBR = 0x01,
	UVC_H264_RATECONTROL_VBR = 0x02,
	UVC_H264_RATECONTROL_CONST_QP = 0x03,
	} UvcH264RateControl;

	#define UVC_H264_RATECONTROL_FIXED_FRM_FLG (0x10)

	#define UVC_H264_RATECONTROL_TYPE (uvc_h264_ratecontrol_get_type())

	GType uvc_h264_ratecontrol_get_type (void);

	/* bStreamFormat defines */

	typedef enum {
	UVC_H264_STREAMFORMAT_ANNEXB = 0x00,
	UVC_H264_STREAMFORMAT_NAL = 0x01,
	} UvcH264StreamFormat;

	#define UVC_H264_STREAMFORMAT_TYPE (uvc_h264_streamformat_get_type())

	GType uvc_h264_streamformat_get_type (void);

	/* bEntropyCABAC defines */

	typedef enum {
	UVC_H264_ENTROPY_CAVLC = 0x00,
	UVC_H264_ENTROPY_CABAC = 0x01,
	} UvcH264Entropy;

	#define UVC_H264_ENTROPY_TYPE (uvc_h264_entropy_get_type())

	GType uvc_h264_entropy_get_type (void);

	/* bProfile defines */
	#define UVC_H264_PROFILE_CONSTRAINED_BASELINE 0x4240
	#define UVC_H264_PROFILE_BASELINE 0x4200
	#define UVC_H264_PROFILE_MAIN 0x4D00
	#define UVC_H264_PROFILE_HIGH 0x6400

	/* bTimingstamp defines */

	#define UVC_H264_TIMESTAMP_SEI_DISABLE (0x00)
	#define UVC_H264_TIMESTAMP_SEI_ENABLE (0x01)

	/* bPreviewFlipped defines */

	#define UVC_H264_PREFLIPPED_DISABLE (0x00)
	#define UVC_H264_PREFLIPPED_HORIZONTAL (0x01)

	/* wPicType defines */
	#define UVC_H264_PICTYPE_I_FRAME (0x00)
	#define UVC_H264_PICTYPE_IDR (0x01)
	#define UVC_H264_PICTYPE_IDR_WITH_PPS_SPS (0x02)


	/* wLayerID Macro */

	/* wLayerID
	\|------------+------------+------------+----------------+------------\|
	\| Reserved \| StreamID \| QualityID \| DependencyID \| TemporalID \|
	\| (3 bits) \| (3 bits) \| (3 bits) \| (4 bits) \| (3 bits) \|
	\|------------+------------+------------+----------------+------------\|
	\|15 13\|12 10\|9 7\|6 3\|2 0\|
	\|------------+------------+------------+----------------+------------\|
	*/

	#define xLayerID(stream_id, quality_id, dependency_id, temporal_id) \
	((((stream_id) & 7) << 10) \| \
	(((quality_id) & 7) << 7) \| \
	(((dependency_id) & 15) << 3) \| \
	((temporal_id) & 7))

	/* id extraction from wLayerID */

	#define xStream_id(layer_id) (((layer_id) >> 10) & 7)
	#define xQuality_id(layer_id) (((layer_id) >> 7) & 7)
	#define xDependency_id(layer_id) (((layer_id) >> 3) & 15)
	#define xTemporal_id(layer_id) ((layer_id)&7)

	/* UVC H.264 control selectors */

	typedef enum _uvcx_control_selector_t
	{
	UVCX_VIDEO_CONFIG_PROBE = 0x01,
	UVCX_VIDEO_CONFIG_COMMIT = 0x02,
	UVCX_RATE_CONTROL_MODE = 0x03,
	UVCX_TEMPORAL_SCALE_MODE = 0x04,
	UVCX_SPATIAL_SCALE_MODE = 0x05,
	UVCX_SNR_SCALE_MODE = 0x06,
	UVCX_LTR_BUFFER_SIZE_CONTROL = 0x07,
	UVCX_LTR_PICTURE_CONTROL = 0x08,
	UVCX_PICTURE_TYPE_CONTROL = 0x09,
	UVCX_VERSION = 0x0A,
	UVCX_ENCODER_RESET = 0x0B,
	UVCX_FRAMERATE_CONFIG = 0x0C,
	UVCX_VIDEO_ADVANCE_CONFIG = 0x0D,
	UVCX_BITRATE_LAYERS = 0x0E,
	UVCX_QP_STEPS_LAYERS = 0x0F,
	} uvcx_control_selector_t;


	typedef struct _uvcx_video_config_probe_commit_t
	{
	guint32 dwFrameInterval;
	guint32 dwBitRate;
	guint16 bmHints;
	guint16 wConfigurationIndex;
	guint16 wWidth;
	guint16 wHeight;
	guint16 wSliceUnits;
	guint16 wSliceMode;
	guint16 wProfile;
	guint16 wIFramePeriod;
	guint16 wEstimatedVideoDelay;
	guint16 wEstimatedMaxConfigDelay;
	guint8 bUsageType;
	guint8 bRateControlMode;
	guint8 bTemporalScaleMode;
	guint8 bSpatialScaleMode;
	guint8 bSNRScaleMode;
	guint8 bStreamMuxOption;
	guint8 bStreamFormat;
	guint8 bEntropyCABAC;
	guint8 bTimestamp;
	guint8 bNumOfReorderFrames;
	guint8 bPreviewFlipped;
	guint8 bView;
	guint8 bReserved1;
	guint8 bReserved2;
	guint8 bStreamID;
	guint8 bSpatialLayerRatio;
	guint16 wLeakyBucketSize;
	} __attribute__((packed)) uvcx_video_config_probe_commit_t;


	typedef struct _uvcx_rate_control_mode_t
	{
	guint16 wLayerID;
	guint8 bRateControlMode;
	} __attribute__((packed)) uvcx_rate_control_mode_t;


	typedef struct _uvcx_temporal_scale_mode_t
	{
	guint16 wLayerID;
	guint8 bTemporalScaleMode;
	} __attribute__((packed)) uvcx_temporal_scale_mode_t;


	typedef struct _uvcx_spatial_scale_mode_t
	{
	guint16 wLayerID;
	guint8 bSpatialScaleMode;
	} __attribute__((packed)) uvcx_spatial_scale_mode_t;


	typedef struct _uvcx_snr_scale_mode_t
	{
	guint16 wLayerID;
	guint8 bSNRScaleMode;
	guint8 bMGSSublayerMode;
	} __attribute__((packed)) uvcx_snr_scale_mode_t;


	typedef struct _uvcx_ltr_buffer_size_control_t
	{
	guint16 wLayerID;
	guint8 bLTRBufferSize;
	guint8 bLTREncoderControl;
	} __attribute__((packed)) uvcx_ltr_buffer_size_control_t;

	typedef struct _uvcx_ltr_picture_control
	{
	guint16 wLayerID;
	guint8 bPutAtPositionInLTRBuffer;
	guint8 bEncodeUsingLTR;
	} __attribute__((packed)) uvcx_ltr_picture_control;


	typedef struct _uvcx_picture_type_control_t
	{
	guint16 wLayerID;
	guint16 wPicType;
	} __attribute__((packed)) uvcx_picture_type_control_t;


	typedef struct _uvcx_version_t
	{
	guint16 wVersion;
	} __attribute__((packed)) uvcx_version_t;


	typedef struct _uvcx_encoder_reset
	{
	guint16 wLayerID;
	} __attribute__((packed)) uvcx_encoder_reset;


	typedef struct _uvcx_framerate_config_t
	{
	guint16 wLayerID;
	guint32 dwFrameInterval;
	} __attribute__((packed)) uvcx_framerate_config_t;


	typedef struct _uvcx_video_advance_config_t
	{
	guint16 wLayerID;
	guint32 dwMb_max;
	guint8 blevel_idc;
	guint8 bReserved;
	} __attribute__((packed)) uvcx_video_advance_config_t;


	typedef struct _uvcx_bitrate_layers_t
	{
	guint16 wLayerID;
	guint32 dwPeakBitrate;
	guint32 dwAverageBitrate;
	} __attribute__((packed)) uvcx_bitrate_layers_t;


	typedef struct _uvcx_qp_steps_layers_t
	{
	guint16 wLayerID;
	guint8 bFrameType;
	guint8 bMinQp;
	guint8 bMaxQp;
	} __attribute__((packed)) uvcx_qp_steps_layers_t;


	#ifdef _WIN32
	// GUID of the UVC H.264 extension unit: {A29E7641-DE04-47E3-8B2B-F4341AFF003B}
	DEFINE_GUID(GUID_UVCX_H264_XU, 0xA29E7641, 0xDE04, 0x47E3, 0x8B, 0x2B, 0xF4, 0x34, 0x1A, 0xFF, 0x00, 0x3B);
	#else
	#define GUID_UVCX_H264_XU \
	{0x41, 0x76, 0x9e, 0xa2, 0x04, 0xde, 0xe3, 0x47, 0x8b, 0x2b, 0xF4, 0x34, 0x1A, 0xFF, 0x00, 0x3B}
	#endif

	#endif /_UVC_H264_H_/