From 5ce60c5d207b9e7de419be6956164aebde14c3f2 Mon Sep 17 00:00:00 2001 From: kkitayam <45088311+kkitayam@users.noreply.github.com> Date: Sun, 26 Mar 2023 21:22:52 +0900 Subject: [PATCH] Add MJPEG descriptor for bulk transfer --- .../video_capture/src/usb_descriptors.c | 30 ++++++++--- .../video_capture/src/usb_descriptors.h | 52 +++++++++++++++++++ 2 files changed, 74 insertions(+), 8 deletions(-) diff --git a/examples/device/video_capture/src/usb_descriptors.c b/examples/device/video_capture/src/usb_descriptors.c index f85e3cd8a1..9847cf7c59 100644 --- a/examples/device/video_capture/src/usb_descriptors.c +++ b/examples/device/video_capture/src/usb_descriptors.c @@ -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 }; diff --git a/examples/device/video_capture/src/usb_descriptors.h b/examples/device/video_capture/src/usb_descriptors.h index 7b78572466..b924c8dbe8 100644 --- a/examples/device/video_capture/src/usb_descriptors.h +++ b/examples/device/video_capture/src/usb_descriptors.h @@ -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