Sample Code
windows driver samples/ USBView sample application/ C++/ h264.h/
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | #pragma once#ifdef H264_SUPPORT//*****************************************************************************//// external variables ////*****************************************************************************extern UCHAR g_expectedNumberOfH264FrameDescriptors;extern UCHAR g_numberOfH264FrameDescriptors;extern UCHAR g_expectedNumberOfMJPEGFrameDescriptors;extern UCHAR g_numberOfMJPEGFrameDescriptors;extern UCHAR g_expectedNumberOfUncompressedFrameFrameDescriptors;extern UCHAR g_numberOfUncompressedFrameFrameDescriptors;#endif//*****************************************************************************//// defines////*****************************************************************************//Version information printed at lower left of UI Window and top of output text window#define USBVIEW_MAJOR_VERSION 2#define USBVIEW_MINOR_VERSION 0#define UVC_SPEC_MAJOR_VERSION 1#define UVC_SPEC_MINOR_VERSION 5// definitions take from the proposed UVC 1.5 spec#define VS_FORMAT_H264 0x13 #define VS_FRAME_H264 0x14 // Video Class-Specific VC Interface Descriptor Subtypes// Note, this needs to be added to the list already in C:\nt\sdpublic\internal\drivers\inc\uvcdesc.h// Also, note that MAX_TYPE_UNIT needs to be bumped up by 1 to account for this new subtype..#define H264_ENCODING_UNIT 7//*****************************************************************************//// struct definitions////*****************************************************************************// VideoStreaming H.264 Format Descriptor#pragma pack(push, 1) // pack on a 1 byte boundarytypedef struct _VIDEO_FORMAT_H264{ // offset (in bytes): UCHAR bLength; // 0 UCHAR bDescriptorType; // 1 UCHAR bDescriptorSubtype; // 2 UCHAR bFormatIndex; // 3 UCHAR bNumFrameDescriptors; // 4 UCHAR bDefaultFrameIndex; // 5 UCHAR bMaxCodecConfigDelay; // 6 UCHAR bmSupportedSliceModes[1]; // 7 UCHAR bmSupportedSyncFrameTypes[1]; // 8 UCHAR bResolutionScaling; // 9 UCHAR bSimulcastSupport; // 10 UCHAR bmSupportedRateControlModes; // 11 USHORT wMaxMBperSecOneResolutionNoScalability; // 12 USHORT wMaxMBperSecTwoResolutionsNoScalability; // 14 USHORT wMaxMBperSecThreeResolutionsNoScalability; // 16 USHORT wMaxMBperSecFourResolutionsNoScalability; // 18 USHORT wMaxMBperSecOneResolutionTemporalScalability; // 20 USHORT wMaxMBperSecTwoResolutionsTemporalScalability; // 22 USHORT wMaxMBperSecThreeResolutionsTemporalScalability; // 24 USHORT wMaxMBperSecFourResolutionsTemporalScalability; // 26 USHORT wMaxMBperSecOneResolutionTemporalQualityScalability; // 28 USHORT wMaxMBperSecTwoResolutionsTemporalQualityScalability; // 30 USHORT wMaxMBperSecThreeResolutionsTemporalQualityScalability; // 32 USHORT wMaxMBperSecFourResolutionsTemporalQualityScalability; // 34 USHORT wMaxMBperSecOneResolutionTemporalSpatialScalability; // 36 USHORT wMaxMBperSecTwoResolutionsTemporalSpatialScalability; // 38 USHORT wMaxMBperSecThreeResolutionsTemporalSpatialScalability; // 40 USHORT wMaxMBperSecFourResolutionsTemporalSpatialScalability; // 42 USHORT wMaxMBperSecOneResolutionFullScalability; // 44 USHORT wMaxMBperSecTwoResolutionsFullScalability; // 46 USHORT wMaxMBperSecThreeResolutionsFullScalability; // 48 USHORT wMaxMBperSecFourResolutionsFullScalability; // 50} VIDEO_FORMAT_H264, *PVIDEO_FORMAT_H264;#pragma pack(pop)// VideoStreaming H.264 Frame Descriptor#pragma pack(push, 1) // pack on a 1 byte boundary// Disable warning on zero sized array in CPP compiler#pragma warning(push)#pragma warning(disable:4200) // Zero sized arraytypedef struct _VIDEO_FRAME_H264{ // offset (in bytes): UCHAR bLength; // 0 UCHAR bDescriptorType; // 1 UCHAR bDescriptorSubtype; // 2 UCHAR bFrameIndex; // 3 USHORT wWidth; // 4 USHORT wHeight; // 6 USHORT wSARwidth; // 8 USHORT wSARheight; // 10 USHORT wProfile; // 12 UCHAR bLevelIDC; // 14 USHORT wConstrainedToolset; // 15 UCHAR bmSupportedUsages[4]; // 17 UCHAR bmCapabilities[2]; // 21 UCHAR bmSVCCapabilities[4]; // 23 UCHAR bmMVCCapabilities[4]; // 27 ULONG dwMinBitRate; // 31 ULONG dwMaxBitRate; // 35 ULONG dwDefaultFrameInterval; // 39 UCHAR bNumFrameIntervals; // 43 ULONG dwFrameInterval[]; // 44 variable-length parameter} VIDEO_FRAME_H264, *PVIDEO_FRAME_H264;#pragma warning(pop)#pragma pack(pop)// VideoControl Encoding Unit Descriptor#pragma pack(push, 1) // pack on a 1 byte boundary#pragma warning(push)#pragma warning(disable:4200) // Zero sized arraytypedef struct //_VIDEO_ENCODING_UNIT{ // offset (in bytes): UCHAR bLength; // 0 UCHAR bDescriptorType; // 1 UCHAR bDescriptorSubtype; // 2 UCHAR bUnitID; // 3 UCHAR bSourceID; // 4 UCHAR iEncoding; // 5 UCHAR bControlSize; // 6 UCHAR bmControls[]; // 7 - variable-length parameter (bControlSize specifies the size)} VIDEO_ENCODING_UNIT, *PVIDEO_ENCODING_UNIT;// after bmControls[] there is also the variable-length parameter (bControlSize specifies the size:// UCHAR bmControlsRunTime[]#pragma warning(pop)#pragma pack(pop)//*****************************************************************************//// function prototypes////*****************************************************************************BOOL DisplayVCH264Format( _In_reads_(sizeof(VIDEO_FORMAT_H264)) PVIDEO_FORMAT_H264 H264FormatDesc );BOOL DisplayVCH264FrameType( _In_reads_(sizeof(VIDEO_FRAME_H264)) PVIDEO_FRAME_H264 H264FrameDesc );BOOL DisplayVCH264EncodingUnit( _In_reads_(sizeof(VIDEO_ENCODING_UNIT)) PVIDEO_ENCODING_UNIT VidEncodingDesc );void DisplayBitmapData( _In_reads_(byteCount) PUCHAR pData, UCHAR byteCount, _In_ char * stringLabel);void DisplayBitmapDataWithStrings( _In_reads_(byteCount) PUCHAR pData, UCHAR byteCount, _In_ char * stringLabel, _In_ PSTRINGLIST stringList, ULONG numEntriesInTable );void DoAdditionalErrorChecks();void ResetErrorCounts(); 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