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Add MJPEG descriptor for bulk transfer

This commit is contained in:
kkitayam 2023-03-26 21:22:52 +09:00
parent 993b8d6686
commit 5ce60c5d20
2 changed files with 74 additions and 8 deletions
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30
examples/device/video_capture/src/usb_descriptors.c
View File

@ -76,11 +76,17 @@ uint8_t const * tud_descriptor_device_cb(void)
//--------------------------------------------------------------------+
#if defined(CFG_EXAMPLE_VIDEO_READONLY) && !defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_VIDEO_CAPTURE_DESC_MJPEG_LEN)
#elif 1 == CFG_TUD_VIDEO_STREAMING_BULK
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_VIDEO_CAPTURE_DESC_UNCOMPR_BULK_LEN)
# if 1 == CFG_TUD_VIDEO_STREAMING_BULK
# define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_VIDEO_CAPTURE_DESC_MJPEG_BULK_LEN)
# else
# define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_VIDEO_CAPTURE_DESC_MJPEG_LEN)
# endif
#else
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_VIDEO_CAPTURE_DESC_UNCOMPR_LEN)
# if 1 == CFG_TUD_VIDEO_STREAMING_BULK
# define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_VIDEO_CAPTURE_DESC_UNCOMPR_BULK_LEN)
# else
# define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_VIDEO_CAPTURE_DESC_UNCOMPR_LEN)
# endif
#endif
#if TU_CHECK_MCU(OPT_MCU_LPC175X_6X, OPT_MCU_LPC177X_8X, OPT_MCU_LPC40XX)
@ -108,17 +114,25 @@ uint8_t const desc_fs_configuration[] =
// IAD for Video Control
#if defined(CFG_EXAMPLE_VIDEO_READONLY) && !defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
# if 1 == CFG_TUD_VIDEO_STREAMING_BULK
TUD_VIDEO_CAPTURE_DESCRIPTOR_MJPEG_BULK(4, EPNUM_VIDEO_IN,
FRAME_WIDTH, FRAME_HEIGHT, FRAME_RATE,
64)
# else
TUD_VIDEO_CAPTURE_DESCRIPTOR_MJPEG(4, EPNUM_VIDEO_IN,
FRAME_WIDTH, FRAME_HEIGHT, FRAME_RATE,
CFG_TUD_VIDEO_STREAMING_EP_BUFSIZE)
#elif 1 == CFG_TUD_VIDEO_STREAMING_BULK
TUD_VIDEO_CAPTURE_DESCRIPTOR_UNCOMPR_BULK(4, EPNUM_VIDEO_IN,
FRAME_WIDTH, FRAME_HEIGHT, FRAME_RATE,
64)
# endif
#else
# if 1 == CFG_TUD_VIDEO_STREAMING_BULK
TUD_VIDEO_CAPTURE_DESCRIPTOR_UNCOMPR_BULK(4, EPNUM_VIDEO_IN,
FRAME_WIDTH, FRAME_HEIGHT, FRAME_RATE,
64)
# else
TUD_VIDEO_CAPTURE_DESCRIPTOR_UNCOMPR(4, EPNUM_VIDEO_IN,
FRAME_WIDTH, FRAME_HEIGHT, FRAME_RATE,
CFG_TUD_VIDEO_STREAMING_EP_BUFSIZE)
# endif
#endif
};

52
examples/device/video_capture/src/usb_descriptors.h
View File

@ -95,6 +95,22 @@ enum {
+ 7/* Endpoint */\
)
#define TUD_VIDEO_CAPTURE_DESC_MJPEG_BULK_LEN (\
TUD_VIDEO_DESC_IAD_LEN\
/* control */\
+ TUD_VIDEO_DESC_STD_VC_LEN\
+ (TUD_VIDEO_DESC_CS_VC_LEN + 1/*bInCollection*/)\
+ TUD_VIDEO_DESC_CAMERA_TERM_LEN\
+ TUD_VIDEO_DESC_OUTPUT_TERM_LEN\
/* Interface 1, Alternate 0 */\
+ TUD_VIDEO_DESC_STD_VS_LEN\
+ (TUD_VIDEO_DESC_CS_VS_IN_LEN + 1/*bNumFormats x bControlSize*/)\
+ TUD_VIDEO_DESC_CS_VS_FMT_MJPEG_LEN\
+ TUD_VIDEO_DESC_CS_VS_FRM_MJPEG_CONT_LEN\
+ TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN\
+ 7/* Endpoint */\
)
/* Windows support YUY2 and NV12
* https://docs.microsoft.com/en-us/windows-hardware/drivers/stream/usb-video-class-driver-overview */
@ -216,4 +232,40 @@ enum {
TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING(VIDEO_COLOR_PRIMARIES_BT709, VIDEO_COLOR_XFER_CH_BT709, VIDEO_COLOR_COEF_SMPTE170M), \
TUD_VIDEO_DESC_EP_BULK(_epin, _epsize, 1)
#define TUD_VIDEO_CAPTURE_DESCRIPTOR_MJPEG_BULK(_stridx, _epin, _width, _height, _fps, _epsize) \
TUD_VIDEO_DESC_IAD(ITF_NUM_VIDEO_CONTROL, /* 2 Interfaces */ 0x02, _stridx), \
/* Video control 0 */ \
TUD_VIDEO_DESC_STD_VC(ITF_NUM_VIDEO_CONTROL, 0, _stridx), \
TUD_VIDEO_DESC_CS_VC( /* UVC 1.5*/ 0x0150, \
/* wTotalLength - bLength */ \
TUD_VIDEO_DESC_CAMERA_TERM_LEN + TUD_VIDEO_DESC_OUTPUT_TERM_LEN, \
UVC_CLOCK_FREQUENCY, ITF_NUM_VIDEO_STREAMING), \
TUD_VIDEO_DESC_CAMERA_TERM(UVC_ENTITY_CAP_INPUT_TERMINAL, 0, 0,\
/*wObjectiveFocalLengthMin*/0, /*wObjectiveFocalLengthMax*/0,\
/*wObjectiveFocalLength*/0, /*bmControls*/0), \
TUD_VIDEO_DESC_OUTPUT_TERM(UVC_ENTITY_CAP_OUTPUT_TERMINAL, VIDEO_TT_STREAMING, 0, 1, 0), \
/* Video stream alt. 0 */ \
TUD_VIDEO_DESC_STD_VS(ITF_NUM_VIDEO_STREAMING, 0, 1, _stridx), \
/* Video stream header for without still image capture */ \
TUD_VIDEO_DESC_CS_VS_INPUT( /*bNumFormats*/1, \
/*wTotalLength - bLength */\
TUD_VIDEO_DESC_CS_VS_FMT_MJPEG_LEN\
+ TUD_VIDEO_DESC_CS_VS_FRM_MJPEG_CONT_LEN\
+ TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN,\
_epin, /*bmInfo*/0, /*bTerminalLink*/UVC_ENTITY_CAP_OUTPUT_TERMINAL, \
/*bStillCaptureMethod*/0, /*bTriggerSupport*/0, /*bTriggerUsage*/0, \
/*bmaControls(1)*/0), \
/* Video stream format */ \
TUD_VIDEO_DESC_CS_VS_FMT_MJPEG(/*bFormatIndex*/1, /*bNumFrameDescriptors*/1, \
/*bmFlags*/0, /*bDefaultFrameIndex*/1, 0, 0, 0, /*bCopyProtect*/0), \
/* Video stream frame format */ \
TUD_VIDEO_DESC_CS_VS_FRM_MJPEG_CONT(/*bFrameIndex */1, 0, _width, _height, \
_width * _height * 16, _width * _height * 16 * _fps, \
_width * _height * 16 / 8, \
(10000000/_fps), (10000000/_fps), (10000000/_fps)*_fps, (10000000/_fps)), \
TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING(VIDEO_COLOR_PRIMARIES_BT709, VIDEO_COLOR_XFER_CH_BT709, VIDEO_COLOR_COEF_SMPTE170M), \
/* EP */ \
TUD_VIDEO_DESC_EP_BULK(_epin, _epsize, 1)
#endif