mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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335 lines
9.6 KiB
C
335 lines
9.6 KiB
C
/*
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* uvc_h264.h - Definitions of the UVC H.264 Payload specification Version 1.0
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*
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* Copyright (c) 2011 USB Implementers Forum, Inc.
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*
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* Modification into glib-like header by :
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* Copyright (C) 2012 Cisco Systems, Inc.
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* Author: Youness Alaoui <youness.alaoui@collabora.co.uk>
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef _UVC_H264_H_
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#define _UVC_H264_H_
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/* Header File for the little-endian platform */
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#include <glib.h>
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#include <glib-object.h>
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/* bmHints defines */
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#define UVC_H264_BMHINTS_RESOLUTION (0x0001)
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#define UVC_H264_BMHINTS_PROFILE (0x0002)
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#define UVC_H264_BMHINTS_RATECONTROL (0x0004)
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#define UVC_H264_BMHINTS_USAGE (0x0008)
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#define UVC_H264_BMHINTS_SLICEMODE (0x0010)
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#define UVC_H264_BMHINTS_SLICEUNITS (0x0020)
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#define UVC_H264_BMHINTS_MVCVIEW (0x0040)
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#define UVC_H264_BMHINTS_TEMPORAL (0x0080)
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#define UVC_H264_BMHINTS_SNR (0x0100)
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#define UVC_H264_BMHINTS_SPATIAL (0x0200)
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#define UVC_H264_BMHINTS_SPATIAL_RATIO (0x0400)
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#define UVC_H264_BMHINTS_FRAME_INTERVAL (0x0800)
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#define UVC_H264_BMHINTS_LEAKY_BKT_SIZE (0x1000)
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#define UVC_H264_BMHINTS_BITRATE (0x2000)
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#define UVC_H264_BMHINTS_ENTROPY (0x4000)
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#define UVC_H264_BMHINTS_IFRAMEPERIOD (0x8000)
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#define UVC_H264_QP_STEPS_I_FRAME_TYPE (0x01)
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#define UVC_H264_QP_STEPS_P_FRAME_TYPE (0x02)
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#define UVC_H264_QP_STEPS_B_FRAME_TYPE (0x04)
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#define UVC_H264_QP_STEPS_ALL_FRAME_TYPES (UVC_H264_QP_STEPS_I_FRAME_TYPE | \
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UVC_H264_QP_STEPS_P_FRAME_TYPE | UVC_H264_QP_STEPS_B_FRAME_TYPE)
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/* wSliceMode defines */
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typedef enum
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{
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UVC_H264_SLICEMODE_IGNORED = 0x0000,
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UVC_H264_SLICEMODE_BITSPERSLICE = 0x0001,
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UVC_H264_SLICEMODE_MBSPERSLICE = 0x0002,
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UVC_H264_SLICEMODE_SLICEPERFRAME = 0x0003
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} UvcH264SliceMode;
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#define UVC_H264_SLICEMODE_TYPE (uvc_h264_slicemode_get_type())
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GType uvc_h264_slicemode_get_type (void);
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/* bUsageType defines */
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typedef enum {
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UVC_H264_USAGETYPE_REALTIME = 0x01,
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UVC_H264_USAGETYPE_BROADCAST = 0x02,
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UVC_H264_USAGETYPE_STORAGE = 0x03,
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UVC_H264_USAGETYPE_UCCONFIG_0 = 0x04,
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UVC_H264_USAGETYPE_UCCONFIG_1 = 0x05,
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UVC_H264_USAGETYPE_UCCONFIG_2Q = 0x06,
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UVC_H264_USAGETYPE_UCCONFIG_2S = 0x07,
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UVC_H264_USAGETYPE_UCCONFIG_3 = 0x08,
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} UvcH264UsageType;
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#define UVC_H264_USAGETYPE_TYPE (uvc_h264_usagetype_get_type())
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GType uvc_h264_usagetype_get_type (void);
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/* bRateControlMode defines */
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typedef enum {
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UVC_H264_RATECONTROL_CBR = 0x01,
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UVC_H264_RATECONTROL_VBR = 0x02,
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UVC_H264_RATECONTROL_CONST_QP = 0x03,
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} UvcH264RateControl;
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#define UVC_H264_RATECONTROL_FIXED_FRM_FLG (0x10)
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#define UVC_H264_RATECONTROL_TYPE (uvc_h264_ratecontrol_get_type())
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GType uvc_h264_ratecontrol_get_type (void);
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/* bStreamFormat defines */
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typedef enum {
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UVC_H264_STREAMFORMAT_ANNEXB = 0x00,
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UVC_H264_STREAMFORMAT_NAL = 0x01,
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} UvcH264StreamFormat;
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#define UVC_H264_STREAMFORMAT_TYPE (uvc_h264_streamformat_get_type())
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GType uvc_h264_streamformat_get_type (void);
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/* bEntropyCABAC defines */
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typedef enum {
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UVC_H264_ENTROPY_CAVLC = 0x00,
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UVC_H264_ENTROPY_CABAC = 0x01,
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} UvcH264Entropy;
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#define UVC_H264_ENTROPY_TYPE (uvc_h264_entropy_get_type())
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GType uvc_h264_entropy_get_type (void);
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/* bProfile defines */
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#define UVC_H264_PROFILE_CONSTRAINED_BASELINE 0x4240
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#define UVC_H264_PROFILE_BASELINE 0x4200
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#define UVC_H264_PROFILE_MAIN 0x4D00
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#define UVC_H264_PROFILE_HIGH 0x6400
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/* bTimingstamp defines */
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#define UVC_H264_TIMESTAMP_SEI_DISABLE (0x00)
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#define UVC_H264_TIMESTAMP_SEI_ENABLE (0x01)
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/* bPreviewFlipped defines */
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#define UVC_H264_PREFLIPPED_DISABLE (0x00)
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#define UVC_H264_PREFLIPPED_HORIZONTAL (0x01)
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/* wPicType defines */
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#define UVC_H264_PICTYPE_I_FRAME (0x00)
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#define UVC_H264_PICTYPE_IDR (0x01)
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#define UVC_H264_PICTYPE_IDR_WITH_PPS_SPS (0x02)
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/* wLayerID Macro */
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/* wLayerID
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|------------+------------+------------+----------------+------------|
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| Reserved | StreamID | QualityID | DependencyID | TemporalID |
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| (3 bits) | (3 bits) | (3 bits) | (4 bits) | (3 bits) |
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|------------+------------+------------+----------------+------------|
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|15 13|12 10|9 7|6 3|2 0|
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|------------+------------+------------+----------------+------------|
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*/
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#define xLayerID(stream_id, quality_id, dependency_id, temporal_id) \
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((((stream_id) & 7) << 10) | \
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(((quality_id) & 7) << 7) | \
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(((dependency_id) & 15) << 3) | \
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((temporal_id) & 7))
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/* id extraction from wLayerID */
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#define xStream_id(layer_id) (((layer_id) >> 10) & 7)
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#define xQuality_id(layer_id) (((layer_id) >> 7) & 7)
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#define xDependency_id(layer_id) (((layer_id) >> 3) & 15)
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#define xTemporal_id(layer_id) ((layer_id)&7)
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/* UVC H.264 control selectors */
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typedef enum _uvcx_control_selector_t
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{
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UVCX_VIDEO_CONFIG_PROBE = 0x01,
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UVCX_VIDEO_CONFIG_COMMIT = 0x02,
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UVCX_RATE_CONTROL_MODE = 0x03,
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UVCX_TEMPORAL_SCALE_MODE = 0x04,
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UVCX_SPATIAL_SCALE_MODE = 0x05,
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UVCX_SNR_SCALE_MODE = 0x06,
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UVCX_LTR_BUFFER_SIZE_CONTROL = 0x07,
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UVCX_LTR_PICTURE_CONTROL = 0x08,
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UVCX_PICTURE_TYPE_CONTROL = 0x09,
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UVCX_VERSION = 0x0A,
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UVCX_ENCODER_RESET = 0x0B,
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UVCX_FRAMERATE_CONFIG = 0x0C,
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UVCX_VIDEO_ADVANCE_CONFIG = 0x0D,
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UVCX_BITRATE_LAYERS = 0x0E,
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UVCX_QP_STEPS_LAYERS = 0x0F,
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} uvcx_control_selector_t;
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typedef struct _uvcx_video_config_probe_commit_t
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{
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guint32 dwFrameInterval;
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guint32 dwBitRate;
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guint16 bmHints;
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guint16 wConfigurationIndex;
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guint16 wWidth;
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guint16 wHeight;
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guint16 wSliceUnits;
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guint16 wSliceMode;
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guint16 wProfile;
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guint16 wIFramePeriod;
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guint16 wEstimatedVideoDelay;
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guint16 wEstimatedMaxConfigDelay;
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guint8 bUsageType;
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guint8 bRateControlMode;
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guint8 bTemporalScaleMode;
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guint8 bSpatialScaleMode;
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guint8 bSNRScaleMode;
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guint8 bStreamMuxOption;
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guint8 bStreamFormat;
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guint8 bEntropyCABAC;
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guint8 bTimestamp;
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guint8 bNumOfReorderFrames;
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guint8 bPreviewFlipped;
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guint8 bView;
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guint8 bReserved1;
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guint8 bReserved2;
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guint8 bStreamID;
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guint8 bSpatialLayerRatio;
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guint16 wLeakyBucketSize;
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} __attribute__((packed)) uvcx_video_config_probe_commit_t;
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typedef struct _uvcx_rate_control_mode_t
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{
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guint16 wLayerID;
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guint8 bRateControlMode;
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} __attribute__((packed)) uvcx_rate_control_mode_t;
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typedef struct _uvcx_temporal_scale_mode_t
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{
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guint16 wLayerID;
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guint8 bTemporalScaleMode;
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} __attribute__((packed)) uvcx_temporal_scale_mode_t;
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typedef struct _uvcx_spatial_scale_mode_t
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{
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guint16 wLayerID;
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guint8 bSpatialScaleMode;
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} __attribute__((packed)) uvcx_spatial_scale_mode_t;
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typedef struct _uvcx_snr_scale_mode_t
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{
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guint16 wLayerID;
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guint8 bSNRScaleMode;
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guint8 bMGSSublayerMode;
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} __attribute__((packed)) uvcx_snr_scale_mode_t;
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typedef struct _uvcx_ltr_buffer_size_control_t
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{
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guint16 wLayerID;
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guint8 bLTRBufferSize;
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guint8 bLTREncoderControl;
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} __attribute__((packed)) uvcx_ltr_buffer_size_control_t;
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typedef struct _uvcx_ltr_picture_control
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{
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guint16 wLayerID;
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guint8 bPutAtPositionInLTRBuffer;
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guint8 bEncodeUsingLTR;
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} __attribute__((packed)) uvcx_ltr_picture_control;
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typedef struct _uvcx_picture_type_control_t
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{
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guint16 wLayerID;
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guint16 wPicType;
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} __attribute__((packed)) uvcx_picture_type_control_t;
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typedef struct _uvcx_version_t
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{
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guint16 wVersion;
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} __attribute__((packed)) uvcx_version_t;
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typedef struct _uvcx_encoder_reset
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{
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guint16 wLayerID;
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} __attribute__((packed)) uvcx_encoder_reset;
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typedef struct _uvcx_framerate_config_t
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{
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guint16 wLayerID;
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guint32 dwFrameInterval;
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} __attribute__((packed)) uvcx_framerate_config_t;
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typedef struct _uvcx_video_advance_config_t
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{
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guint16 wLayerID;
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guint32 dwMb_max;
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guint8 blevel_idc;
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guint8 bReserved;
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} __attribute__((packed)) uvcx_video_advance_config_t;
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typedef struct _uvcx_bitrate_layers_t
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{
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guint16 wLayerID;
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guint32 dwPeakBitrate;
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guint32 dwAverageBitrate;
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} __attribute__((packed)) uvcx_bitrate_layers_t;
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typedef struct _uvcx_qp_steps_layers_t
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{
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guint16 wLayerID;
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guint8 bFrameType;
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guint8 bMinQp;
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guint8 bMaxQp;
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} __attribute__((packed)) uvcx_qp_steps_layers_t;
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#ifdef _WIN32
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// GUID of the UVC H.264 extension unit: {A29E7641-DE04-47E3-8B2B-F4341AFF003B}
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DEFINE_GUID(GUID_UVCX_H264_XU, 0xA29E7641, 0xDE04, 0x47E3, 0x8B, 0x2B, 0xF4, 0x34, 0x1A, 0xFF, 0x00, 0x3B);
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#else
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#define GUID_UVCX_H264_XU \
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{0x41, 0x76, 0x9e, 0xa2, 0x04, 0xde, 0xe3, 0x47, 0x8b, 0x2b, 0xF4, 0x34, 0x1A, 0xFF, 0x00, 0x3B}
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#endif
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#endif /*_UVC_H264_H_*/
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