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update audio and video macros,add xxx_open and xxx_close function

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This commit is contained in:
sakumisu
2022-03-26 16:07:28 +08:00
parent ceeb951a00
commit 5d78031bb2
6 changed files with 182 additions and 102 deletions
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218
class/audio/usb_audio.h
View File

@@ -491,6 +491,10 @@
#define AUDIO_SIDEBAND_PROTOCOL_UNDEF 0x00
#define AUDIO_PRES_TIMESTAMP_PROTOCOL 0x01
/** USB Terminal Types
* Refer to Table 2-1 - Table 2-4 from termt10.pdf
*/
/* USB Terminal Types */
#define AUDIO_TERMINAL_UNDEF 0x0100
#define AUDIO_TERMINAL_STREAMING 0x0101
@@ -573,69 +577,19 @@
#define AUDIO_FORMAT_TYPE_II 0x02
#define AUDIO_FORMAT_TYPE_III 0x03
/** USB Terminal Types
* Refer to Table 2-1 - Table 2-4 from termt10.pdf
*/
enum usb_audio_terminal_types {
/* USB Terminal Types */
USB_AUDIO_USB_UNDEFINED = 0x0100,
USB_AUDIO_USB_STREAMING = 0x0101,
USB_AUDIO_USB_VENDOR_SPEC = 0x01FF,
/* Input Terminal Types */
USB_AUDIO_IN_UNDEFINED = 0x0200,
USB_AUDIO_IN_MICROPHONE = 0x0201,
USB_AUDIO_IN_DESKTOP_MIC = 0x0202,
USB_AUDIO_IN_PERSONAL_MIC = 0x0203,
USB_AUDIO_IN_OM_DIR_MIC = 0x0204,
USB_AUDIO_IN_MIC_ARRAY = 0x0205,
USB_AUDIO_IN_PROC_MIC_ARRAY = 0x0205,
/* Output Terminal Types */
USB_AUDIO_OUT_UNDEFINED = 0x0300,
USB_AUDIO_OUT_SPEAKER = 0x0301,
USB_AUDIO_OUT_HEADPHONES = 0x0302,
USB_AUDIO_OUT_HEAD_AUDIO = 0x0303,
USB_AUDIO_OUT_DESKTOP_SPEAKER = 0x0304,
USB_AUDIO_OUT_ROOM_SPEAKER = 0x0305,
USB_AUDIO_OUT_COMM_SPEAKER = 0x0306,
USB_AUDIO_OUT_LOW_FREQ_SPEAKER = 0x0307,
/* Bi-directional Terminal Types */
USB_AUDIO_IO_UNDEFINED = 0x0400,
USB_AUDIO_IO_HANDSET = 0x0401,
USB_AUDIO_IO_HEADSET = 0x0402,
USB_AUDIO_IO_SPEAKERPHONE_ECHO_NONE = 0x0403,
USB_AUDIO_IO_SPEAKERPHONE_ECHO_SUP = 0x0404,
USB_AUDIO_IO_SPEAKERPHONE_ECHO_CAN = 0x0405,
};
/**
* @warning Size of baInterface is 2 just to make it useable
* for all kind of devices: headphones, microphone and headset.
* Actual size of the struct should be checked by reading
* .bLength.
*/
struct adc_ac_if_descriptor {
struct audio_cs_if_ac_header_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint16_t bcdAUDIO;
uint16_t wTotalLength;
uint8_t bInCollection;
uint8_t baInterfaceNr[2];
uint8_t baInterfaceNr[];
} __PACKED;
struct adc_as_if_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint8_t bTerminalLink;
uint8_t bDelay;
uint16_t wFormatTag;
} __PACKED;
#define AUDIO_SIZEOF_AC_HEADER_DESC(n) (8 + n)
struct adc_input_terminal_descriptor {
struct audio_cs_if_ac_input_terminal_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
@@ -648,7 +602,9 @@ struct adc_input_terminal_descriptor {
uint8_t iTerminal;
} __PACKED;
struct adc_output_terminal_descriptor {
#define AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC (12)
struct audio_cs_if_ac_output_terminal_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
@@ -659,21 +615,33 @@ struct adc_output_terminal_descriptor {
uint8_t iTerminal;
} __PACKED;
/**
* @note Size of Feature unit descriptor is not fixed.
* This structure is just a helper not a common type.
*/
struct adc_feature_unit_descriptor {
#define AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC (9)
struct audio_cs_if_ac_feature_unit_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint8_t bUnitID;
uint8_t bSourceID;
uint8_t bControlSize;
uint16_t bmaControls[1];
// uint8_t bmaControls[];
uint8_t iFeature;
} __PACKED;
struct adc_format_type_i_descriptor {
#define AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(n) (7 + n)
struct audio_cs_if_as_general_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint8_t bTerminalLink;
uint8_t bDelay;
uint16_t wFormatTag;
} __PACKED;
#define AUDIO_SIZEOF_AS_GENERAL_DESC (7)
struct audio_cs_if_as_format_type_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
@@ -685,7 +653,9 @@ struct adc_format_type_i_descriptor {
uint8_t tSamFreq[3];
} __PACKED;
struct adc_as_std_ep_descriptor {
#define AUDIO_SIZEOF_FORMAT_TYPE_DESC(n) (8 + 3 * n)
struct audio_ep_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress;
@@ -696,7 +666,9 @@ struct adc_as_std_ep_descriptor {
uint8_t bSynchAddress;
} __PACKED;
struct adc_as_cs_ep_descriptor {
#define AUDIO_SIZEOF_EP_DESC (9)
struct audio_cs_ep_ep_general_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
@@ -705,4 +677,122 @@ struct adc_as_cs_ep_descriptor {
uint16_t wLockDelay;
} __PACKED;
#define AUDIO_SIZEOF_CS_EP_GENERAL_DESC (7)
// clang-format off
#define AUDIO_AC_DESCRIPTOR_INIT(bFirstInterface, bInterfaceCount, bcdADC, wTotalLength, stridx, bInCollection, ...) \
/* Interface Association Descriptor */ \
0x08, \
USB_DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION, \
bFirstInterface, \
bInterfaceCount, \
USB_DEVICE_CLASS_AUDIO, \
AUDIO_SUBCLASS_AUDIOCONTROL, \
AUDIO_PROTOCOL_UNDEFINED, \
0x00, \
/* ------------------ AudioControl Interface ------------------ */\
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bFirstInterface, /* bInterfaceNumber */ \
0x00, /* bAlternateSetting */ \
0x00, /* bNumEndpoints */ \
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
AUDIO_SUBCLASS_AUDIOCONTROL, /* bInterfaceSubClass */ \
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */ \
stridx, /* iInterface */ \
0x08 + PP_NARG(__VA_ARGS__), /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_CONTROL_HEADER, /* bDescriptorSubtype */ \
WBVAL(bcdADC), /* bcdADC */ \
WBVAL(wTotalLength), /* wTotalLength */ \
bInCollection, /* bInCollection */ \
__VA_ARGS__ /* baInterfaceNr */
#define AUDIO_AC_DESCRIPTOR_INIT_LEN(n) (0x08 + 0x09 + 0x08 + n)
#define AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(bTerminalID, wTerminalType, bNrChannels, wChannelConfig) \
0x0C, /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_CONTROL_INPUT_TERMINAL, /* bDescriptorSubtype */ \
bTerminalID, /* bTerminalID */ \
WBVAL(wTerminalType), /* wTerminalType : Microphone 0x0201 */ \
0x00, /* bAssocTerminal */ \
bNrChannels, /* bNrChannels */ \
WBVAL(wChannelConfig), /* wChannelConfig : Mono sets no position bits */ \
0x00, /* iChannelNames */ \
0x00 /* iTerminal */
#define AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(bTerminalID, wTerminalType, bSourceID) \
0x09, /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_CONTROL_OUTPUT_TERMINAL, /* bDescriptorSubtype */ \
bTerminalID, /* bTerminalID */ \
WBVAL(wTerminalType), /* wTerminalType : USB Streaming */ \
0x00, /* bAssocTerminal */ \
bSourceID, /* bSourceID */ \
0x00 /* iTerminal */
#define AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(bUnitID, bSourceID, bControlSize, ...) \
0x07 + PP_NARG(__VA_ARGS__), /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_CONTROL_FEATURE_UNIT, /* bDescriptorSubtype */ \
bUnitID, /* bUnitID */ \
bSourceID, /* bSourceID */ \
bControlSize, /* bControlSize */ \
__VA_ARGS__, /* bmaControls(0) Mute */ \
0x00 /* iTerminal */
#define AUDIO_AS_DESCRIPTOR_INIT(bInterfaceNumber, bTerminalLink, bNrChannels, bEndpointAddress, wMaxPacketSize, bInterval, bSamFreqType, ...) \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bInterfaceNumber, /* bInterfaceNumber */ \
0x00, /* bAlternateSetting */ \
0x00, /* bNumEndpoints */ \
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */ \
0x00, /* iInterface */ \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bInterfaceNumber, /* bInterfaceNumber */ \
0x01, /* bAlternateSetting */ \
0x01, /* bNumEndpoints */ \
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */ \
0x00, /* iInterface */ \
0x07, /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_STREAMING_GENERAL, /* bDescriptorSubtype */ \
bTerminalLink, /* bTerminalLink : Unit ID of the Output Terminal*/ \
0x01, /* bDelay */ \
0x01, /* wFormatTag : AUDIO_FORMAT_PCM */ \
0x00, \
0x08 + PP_NARG(__VA_ARGS__), /* bLength */ \
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_STREAMING_FORMAT_TYPE, /* bDescriptorSubtype */ \
AUDIO_FORMAT_TYPE_I, /* bFormatType */ \
bNrChannels, /* bNrChannels */ \
0x02, /* bSubFrameSize : 2 Bytes per audio subframe */ \
0x10, /* bBitResolution : 16 bits per sample */ \
bSamFreqType, /* bSamFreqType : only one frequency supported */ \
__VA_ARGS__, /* tSamFreq : Audio sampling frequency coded on 3 bytes */ \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
bEndpointAddress, /* bEndpointAddress : IN endpoint 1 */ \
0x01, /* bmAttributes */ \
WBVAL(wMaxPacketSize), /* wMaxPacketSize */ \
0x04, /* bInterval : one packet per frame */ \
0x00, /* bRefresh */ \
0x00, /* bSynchAddress */ \
0x07, /* bLength */ \
AUDIO_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */ \
AUDIO_ENDPOINT_GENERAL, /* bDescriptor */ \
0x00, /* bmAttributes AUDIO_SAMPLING_FREQ_CONTROL */ \
0x00, /* bLockDelayUnits */ \
0x00, /* wLockDelay */ \
0x00
// clang-format on
#define AUDIO_AS_DESCRIPTOR_INIT_LEN(n) (0x09 + 0x09 + 0x07 + 0x08 + 3 * n + 0x09 + 0x07)
#endif /* _USB_AUDIO_H_ */

6
class/audio/usbd_audio.c
View File

@@ -116,7 +116,11 @@ static void audio_notify_handler(uint8_t event, void *arg)
case USBD_EVENT_SET_INTERFACE:
struct usb_interface_descriptor *intf = (struct usb_interface_descriptor *)arg;
usbd_audio_set_interface_callback(intf->bAlternateSetting);
if (intf->bAlternateSetting == 1) {
usbd_audio_open(intf->bInterfaceNumber);
} else {
usbd_audio_close(intf->bInterfaceNumber);
}
break;
default:

4
class/audio/usbd_audio.h
View File

@@ -31,10 +31,10 @@ extern "C" {
void usbd_audio_add_interface(usbd_class_t *devclass, usbd_interface_t *intf);
void usbd_audio_open(uint8_t intf);
void usbd_audio_close(uint8_t intf);
void usbd_audio_set_mute(uint8_t mute);
void usbd_audio_set_volume(uint8_t vol);
void usbd_audio_sof_callback(void);
void usbd_audio_set_interface_callback(uint8_t value);
#ifdef __cplusplus
}

45
class/video/usb_video.h
View File

@@ -816,7 +816,7 @@ struct video_cs_if_vc_header_descriptor {
uint8_t baInterfaceNr[];
} __PACKED;
#define VIDEO_SIZEOF_VC_HEADER_DESC(n) (12 + n)
#define VIDEO_SIZEOF_VC_HEADER_DESC(n) (11 + n)
struct video_cs_if_vc_input_terminal_descriptor {
uint8_t bLength;
@@ -843,7 +843,7 @@ struct video_cs_if_vc_processing_unit_descriptor {
uint8_t bSourceID;
uint16_t wMaxMultiplier;
uint8_t bControlSize;
uint8_t bmaControls[2];
// uint8_t bmaControls[];
uint8_t iProcessing;
uint8_t bmVideoStandards;
} __PACKED;
@@ -919,7 +919,7 @@ struct video_cs_if_vs_format_uncompressed_descriptor {
uint8_t bCopyProtect;
} __PACKED;
#define VIDEO_SIZEOF_VS_FORMAT_UNCOMPRESSED_DESC(n) (27)
#define VIDEO_SIZEOF_VS_FORMAT_UNCOMPRESSED_DESC (27)
struct video_cs_if_vs_frame_uncompressed_descriptor {
uint8_t bLength;
@@ -972,7 +972,7 @@ struct video_cs_if_vs_frame_mjpeg_descriptor {
uint32_t dwFrameInterval2;
} __PACKED;
#define VIDEO_SIZEOF_VS_FRAME_MJPEG_DESC 34
#define VIDEO_SIZEOF_VS_FRAME_MJPEG_DESC(n) (26 + n)
struct video_cs_if_vs_colorformat_descriptor {
uint8_t bLength;
@@ -1076,7 +1076,7 @@ struct video_autoexposure_mode {
WBVAL(wTotalLength), /* wTotalLength */ \
DBVAL(dwClockFrequency), /* dwClockFrequency : 0x005b8d80 -> 6,000,000 == 6MHz*/ \
0x01, /* bInCollection : Number of streaming interfaces. */ \
0x01, /* baInterfaceNr(1) : VideoStreaming interface 1 belongs to this VideoControl interface.*/ \
(uint8_t)(bFirstInterface + 1), /* baInterfaceNr(0) : VideoStreaming interface 1 belongs to this VideoControl interface.*/ \
/* Input Terminal 1 -> Processing Unit 2 -> Output Terminal 3 */ \
0x12, \
0x24, \
@@ -1121,9 +1121,9 @@ struct video_autoexposure_mode {
0x00, /* bInterfaceProtocol : PC_PROTOCOL_UNDEFINED */ \
0x00 /* iInterface : unused */
#define VIDEO_VS_HEADER_DESCRIPTOR_INIT(bNumFormats, wTotalLength, bEndpointAddress) \
#define VIDEO_VS_HEADER_DESCRIPTOR_INIT(bNumFormats, wTotalLength, bEndpointAddress, bControlSize, ...) \
/*Class-specific VideoStream Header Descriptor (Input) */ \
0x0e, \
0x0d + PP_NARG(__VA_ARGS__), \
0x24, \
VIDEO_VS_INPUT_HEADER_DESCRIPTOR_SUBTYPE, \
bNumFormats, /* bNumFormats : One format descriptor follows. */ \
@@ -1134,8 +1134,8 @@ struct video_autoexposure_mode {
0x00, /* bStillCaptureMethod : Device supports still image capture method 0. */ \
0x00, /* bTriggerSupport : Hardware trigger supported for still image capture */ \
0x00, /* bTriggerUsage : Hardware trigger should initiate a still image capture. */ \
0x01, /* bControlSize : Size of the bmaControls field */ \
0x00 /* bmaControls : No VideoStreaming specific controls are supported.*/
bControlSize, /* bControlSize : Size of the bmaControls field */ \
__VA_ARGS__ /* bmaControls : No VideoStreaming specific controls are supported.*/
#define VIDEO_VS_FORMAT_UNCOMPRESSED_DESCRIPTOR_INIT(bFormatIndex, bNumFrameDescriptors, GUIDFormat) \
/*Payload Format(UNCOMPRESSED) Descriptor */ \
@@ -1183,8 +1183,8 @@ struct video_autoexposure_mode {
0x00 /* bCopyProtect : No restrictions imposed on the duplication of this video stream. */
#define VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT(bFrameIndex, wWidth, wHeight, dwMinBitRate, dwMaxBitRate, \
dwMaxVideoFrameBufferSize, dwDefaultFrameInterval, dwMinFrameInterval1, dwMinFrameInterval2) \
0x22, /* bLength */ \
dwMaxVideoFrameBufferSize, dwDefaultFrameInterval, bFrameIntervalType, ...) \
0x1a + PP_NARG(__VA_ARGS__), /* bLength */ \
0x24, /* bDescriptorType : CS_INTERFACE */ \
VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_SUBTYPE, /* bDescriptorSubType : VS_FRAME_MJPEG */ \
bFrameIndex, /* bFrameIndex : First (and only) frame descriptor */ \
@@ -1195,26 +1195,7 @@ struct video_autoexposure_mode {
DBVAL(dwMaxBitRate), /* dwMaxBitRate (4bytes): Max bit rate in bits/s */ \
DBVAL(dwMaxVideoFrameBufferSize), /* dwMaxVideoFrameBufSize (4bytes): Maximum video or still frame size, in bytes. */ \
DBVAL(dwDefaultFrameInterval), /* dwDefaultFrameInterval : 1,000,000 * 100ns -> 10 FPS */ \
0x02, /* bFrameIntervalType : Indicates how the frame interval can be programmed. 0: Continuous frame interval 1..255: The number of discrete frame */ \
DBVAL(dwMinFrameInterval1), /* dwMinFrameInterval : 1,000,000 ns *100ns -> 10 FPS,Shortest frame interval supported (at highest frame rate), in 100 ns units */ \
DBVAL(dwMinFrameInterval2) /* dwMaxFrameInterval : 1,000,000 ns *100ns -> 10 FPS,Longest frame interval supported (at lowest frame rate), in 100 ns units */
#define VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT_V2(bFrameIndex, wWidth, wHeight, dwMinBitRate, dwMaxBitRate, \
dwMaxVideoFrameBufferSize, dwDefaultFrameInterval, dwMinFrameInterval1, dwMinFrameInterval2) \
0x26, /* bLength */ \
0x24, /* bDescriptorType : CS_INTERFACE */ \
VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_SUBTYPE, /* bDescriptorSubType : VS_FRAME_MJPEG */ \
bFrameIndex, /* bFrameIndex : First (and only) frame descriptor */ \
0x00, /* bmCapabilities : Still images using capture method 0 are supported at this frame setting.D1: Fixed frame-rate. */ \
WBVAL(wWidth), /* wWidth (2bytes): Width of frame is 128 pixels. */ \
WBVAL(wHeight), /* wHeight (2bytes): Height of frame is 64 pixels. */ \
DBVAL(dwMinBitRate), /* dwMinBitRate (4bytes): Min bit rate in bits/s */ \
DBVAL(dwMaxBitRate), /* dwMaxBitRate (4bytes): Max bit rate in bits/s */ \
DBVAL(dwMaxVideoFrameBufferSize), /* dwMaxVideoFrameBufSize (4bytes): Maximum video or still frame size, in bytes. */ \
DBVAL(dwDefaultFrameInterval), /* dwDefaultFrameInterval : 1,000,000 * 100ns -> 10 FPS */ \
0x00, /* bFrameIntervalType : Indicates how the frame interval can be programmed. 0: Continuous frame interval 1..255: The number of discrete frame */ \
DBVAL(dwMinFrameInterval1), /* dwMinFrameInterval : 1,000,000 ns *100ns -> 10 FPS,Shortest frame interval supported (at highest frame rate), in 100 ns units */ \
DBVAL(dwMinFrameInterval2), /* dwMaxFrameInterval : 1,000,000 ns *100ns -> 10 FPS,Longest frame interval supported (at lowest frame rate), in 100 ns units */ \
0x00, 0x00, 0x00, 0x00 /* dwFrameIntervalStep : No frame interval step supported. */
bFrameIntervalType, /* bFrameIntervalType : Indicates how the frame interval can be programmed. 0: Continuous frame interval 1..255: The number of discrete frame */ \
__VA_ARGS__
// clang-format on
#endif /* USB_VIDEO_H_ */

6
class/video/usbd_video.c
View File

@@ -709,7 +709,11 @@ static void video_notify_handler(uint8_t event, void *arg)
case USBD_EVENT_SET_INTERFACE: {
struct usb_interface_descriptor *intf = (struct usb_interface_descriptor *)arg;
usbd_video_set_interface_callback(intf->bAlternateSetting);
if (intf->bAlternateSetting == 1) {
usbd_video_open(intf->bInterfaceNumber);
} else {
usbd_video_close(intf->bInterfaceNumber);
}
}
break;

5
class/video/usbd_video.h
View File

@@ -31,11 +31,12 @@ extern "C" {
void usbd_video_add_interface(usbd_class_t *class, usbd_interface_t *intf);
void usbd_video_open(uint8_t intf);
void usbd_video_close(uint8_t intf);
void usbd_video_probe_and_commit_controls_init(uint32_t dwFrameInterval, uint32_t dwMaxVideoFrameSize, uint32_t dwMaxPayloadTransferSize);
uint32_t usbd_video_mjpeg_payload_fill(uint8_t *input, uint32_t input_len, uint8_t *output, uint32_t *out_len);
void usbd_video_mjpeg_payload_header_toggle(uint8_t *output, uint32_t packets);
void usbd_video_sof_callback(void);
void usbd_video_set_interface_callback(uint8_t value);
#ifdef __cplusplus
}