--- /dev/null
+/*********************************************************************
+ *********************************************************************/
+/*********************************************************************
+ * changed to using LogCat than stderr when compiling for Android
+ * Copyright (C) 2014 saki@serenegiant All rights reserved.
+ *********************************************************************/
+/*********************************************************************
+ * Software License Agreement (BSD License)
+ *
+ * Copyright (C) 2010-2012 Ken Tossell
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of the author nor other contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *********************************************************************/
+/**
+ * @defgroup diag Diagnostics
+ * @brief Interpretation of devices, error codes and negotiated stream parameters
+ */
+
+#include "libuvc/libuvc.h"
+#include "libuvc/libuvc_internal.h"
+
+/** @internal */
+typedef struct _uvc_error_msg {
+ uvc_error_t err;
+ const char *msg;
+} _uvc_error_msg_t;
+
+static const _uvc_error_msg_t uvc_error_msgs[] = {
+ { UVC_SUCCESS, "Success" },
+ { UVC_ERROR_IO, "I/O error" },
+ { UVC_ERROR_INVALID_PARAM, "Invalid parameter" },
+ { UVC_ERROR_ACCESS, "Access denied" },
+ { UVC_ERROR_NO_DEVICE, "No such device" },
+ { UVC_ERROR_NOT_FOUND, "Not found" },
+ { UVC_ERROR_BUSY, "Busy" },
+ { UVC_ERROR_TIMEOUT, "Timeout" },
+ { UVC_ERROR_OVERFLOW, "Overflow" },
+ { UVC_ERROR_PIPE, "Pipe" },
+ { UVC_ERROR_INTERRUPTED, "Interrupted" },
+ { UVC_ERROR_NO_MEM, "Out of memory" },
+ { UVC_ERROR_NOT_SUPPORTED, "Not supported" },
+ { UVC_ERROR_INVALID_DEVICE, "Invalid device" },
+ { UVC_ERROR_INVALID_MODE, "Invalid mode" },
+ { UVC_ERROR_CALLBACK_EXISTS, "Callback exists" }
+};
+
+#ifdef __ANDROID__
+#define FPRINTF(stream, ...) MARK(__VA_ARGS__); usleep(1000);
+#define FPRINTF_ERR(stream, ...) LOGW(__VA_ARGS__)
+#else
+#define FPRINTF(stream, ...) fprintf(stream, __VA_ARGS__)
+#define FPRINTF_ERR(stream, ...) fprintf(stream, __VA_ARGS__)
+#endif
+/** @brief Print a message explaining an error in the UVC driver
+ * @ingroup diag
+ *
+ * @param err UVC error code
+ * @param msg Optional custom message, prepended to output
+ */
+void uvc_perror(uvc_error_t err, const char *msg) {
+ if (msg && *msg) {
+ FPRINTF_ERR(stderr, "%s:%s (%d)\n", msg, uvc_strerror(err), err);
+ } else {
+ FPRINTF_ERR(stderr, "%s (%d)\n", uvc_strerror(err), err);
+ }
+/*
+ if (msg && *msg) {
+ fputs(msg, stderr);
+ fputs(": ", stderr);
+ }
+
+ FPRINTF(stderr, "%s (%d)\n", uvc_strerror(err), err);
+*/
+}
+
+/** @brief Return a string explaining an error in the UVC driver
+ * @ingroup diag
+ *
+ * @param err UVC error code
+ * @return error message
+ */
+const char* uvc_strerror(uvc_error_t err) {
+ size_t idx;
+
+ for (idx = 0; idx < sizeof(uvc_error_msgs) / sizeof(*uvc_error_msgs);
+ ++idx) {
+ if (uvc_error_msgs[idx].err == err) {
+ return uvc_error_msgs[idx].msg;
+ }
+ }
+
+ return "Unknown error";
+}
+
+/** @brief Print the values in a stream control block
+ * @ingroup diag
+ *
+ * @param devh UVC device
+ * @param stream Output stream (stderr if NULL)
+ */
+void uvc_print_stream_ctrl(uvc_stream_ctrl_t *ctrl, FILE *stream) {
+ if (stream == NULL)
+ stream = stderr;
+
+ FPRINTF(stream, "bmHint: %04x\n", ctrl->bmHint);
+ FPRINTF(stream, "bFormatIndex: %d\n", ctrl->bFormatIndex);
+ FPRINTF(stream, "bFrameIndex: %d\n", ctrl->bFrameIndex);
+ FPRINTF(stream, "dwFrameInterval: %u\n", ctrl->dwFrameInterval);
+ FPRINTF(stream, "wKeyFrameRate: %d\n", ctrl->wKeyFrameRate);
+ FPRINTF(stream, "wPFrameRate: %d\n", ctrl->wPFrameRate);
+ FPRINTF(stream, "wCompQuality: %d\n", ctrl->wCompQuality);
+ FPRINTF(stream, "wCompWindowSize: %d\n", ctrl->wCompWindowSize);
+ FPRINTF(stream, "wDelay: %d\n", ctrl->wDelay);
+ FPRINTF(stream, "dwMaxVideoFrameSize: %u\n", ctrl->dwMaxVideoFrameSize);
+ FPRINTF(stream, "dwMaxPayloadTransferSize: %u\n", ctrl->dwMaxPayloadTransferSize);
+ FPRINTF(stream, "bInterfaceNumber: %d\n", ctrl->bInterfaceNumber);
+//
+ /** add UVC 1.1 parameters */
+ FPRINTF(stream, "dwClockFrequency: %d\n", ctrl->dwClockFrequency);
+ FPRINTF(stream, "bmFramingInfo: %d\n", ctrl->bmFramingInfo);
+ FPRINTF(stream, "bPreferedVersion: %d\n", ctrl->bPreferedVersion);
+ FPRINTF(stream, "bMinVersion: %d\n", ctrl->bMinVersion);
+ FPRINTF(stream, "bMaxVersion: %d\n", ctrl->bMaxVersion);
+ /** add UVC 1.5 parameters */
+ FPRINTF(stream, "bUsage: %d\n", ctrl->bUsage);
+ FPRINTF(stream, "bBitDepthLuma: %d\n", ctrl->bBitDepthLuma);
+ FPRINTF(stream, "bmSettings: %d\n", ctrl->bmSettings);
+ FPRINTF(stream, "bMaxNumberOfRefFramesPlus1: %d\n", ctrl->bMaxNumberOfRefFramesPlus1);
+ FPRINTF(stream, "bmRateControlModes: %d\n", ctrl->bmRateControlModes);
+#if !defined(__LP64__)
+ FPRINTF(stream, "bmLayoutPerStream: %llx\n", ctrl->bmLayoutPerStream);
+#else
+ FPRINTF(stream, "bmLayoutPerStream: %lx\n", ctrl->bmLayoutPerStream);
+#endif
+}
+
+static const char *_uvc_name_for_desc_type(const uint8_t type) {
+ switch (type) {
+ case LIBUSB_DT_DEVICE: // 0x01,
+ return "Device Descriptor(0x01)";
+ case LIBUSB_DT_CONFIG: // 0x02,
+ return "Config Descriptor(0x02)";
+ case LIBUSB_DT_STRING: // 0x03,
+ return "String Descriptor(0x03)";
+ case LIBUSB_DT_INTERFACE: // 0x04,
+ return "Interface Descriptor(0x04)";
+ case LIBUSB_DT_ENDPOINT: // 0x05,
+ return "Endpoint Descriptor(0x05)";
+ case LIBUSB_DT_DEVICE_QUALIFIER: // 0x06, // deprecated on USB3.0
+ return "Qualifier Descriptor(0x06)";
+ case LIBUSB_DT_OTHER_SPEED_CONFIGURATION: // 0x07, // deprecated on USB3.0
+ return "Other speed Config Descriptor(0x07)";
+ case LIBUSB_DT_INTERFACE_POWER: // 0x08,
+ return "Power interface Descriptor(0x08)";
+ case LIBUSB_DT_OTG: // 0x09,
+ return "OTG Interface Descriptor(0x09)";
+ case LIBUSB_DT_DEBUG: // 0x0a,
+ return "Debug Descriptor(0x0a)";
+ case LIBUSB_DT_ASSOCIATION: // 0x0b,
+ return "Association Descriptor(0x0b)";
+ case LIBUSB_DT_BOS: // 0x0f,
+ return "BOS Descriptor(0x0f)";
+ case LIBUSB_DT_DEVICE_CAPABILITY: // 0x10,
+ return "Device capability Descriptor(0x10)";
+// Class specified descriptors
+ case LIBUSB_DT_HID: // 0x21,
+ return "CS:HID Descriptor(0x21)";
+ case LIBUSB_DT_HID_REPORT: // 0x22,
+ return "CS:HID Report Descriptor(0x22)";
+ case LIBUSB_DT_HID_PHYSICAL: // 0x23,
+ return "CS:HID Pysical Descriptor(0x23)";
+ case LIBUSB_DT_CS_INTERFACE: // 0x24,
+ return "CS:Interface Descriptor(0x24)";
+ case LIBUSB_DT_CS_ENDPOINT: // 0x25,
+ return "CS:Endpoint Descriptor(0x25)";
+ case LIBUSB_DT_HUB: // 0x29,
+ return "CS:Hub Descriptor(0x29)";
+ case LIBUSB_DT_SUPERSPEED_HUB: // 0x2a,
+ return "CS:Superspeed Hub Descriptor(0x2a)";
+ case LIBUSB_DT_SS_ENDPOINT_COMPANION: // 0x30 // defined on USB 3.0
+ return "CS:Superspeed Endpoint Companion Descriptor(0x30)";
+ default:
+ return "Unknown descriptor";
+ }
+}
+
+static const char *_uvc_name_for_class(const uint8_t clazz) {
+ switch (clazz) {
+ case LIBUSB_CLASS_AUDIO: // 1, /** Audio class */
+ return "Audio";
+ case LIBUSB_CLASS_COMM: // 2, /** Communications class */
+ return "Comm";
+ case LIBUSB_CLASS_HID: // 3, /** Human Interface Device class */
+ return "HID";
+ case LIBUSB_CLASS_PHYSICAL: // 5, /** Physical */
+ return "Physical";
+ case LIBUSB_CLASS_IMAGE: // 6, /** Image class */
+ return "Image";
+ case LIBUSB_CLASS_PRINTER: // 7, /** Printer class */
+ return "Printer";
+ case LIBUSB_CLASS_MASS_STORAGE: // 8, /** Mass storage class */
+ return "Mass storage";
+ case LIBUSB_CLASS_HUB: // 9, /** Hub class */
+ return "Hub";
+ case LIBUSB_CLASS_DATA: // 0x0a, /** Data class */
+ return "Data";
+ case LIBUSB_CLASS_SMART_CARD: // 0x0b, /** Smart Card */
+ return "Smart card";
+ case LIBUSB_CLASS_CONTENT_SECURITY: // 0x0d, /** Content Security */
+ return "Security";
+ case LIBUSB_CLASS_VIDEO: // 0x0e, /** Video */
+ return "Video";
+ case LIBUSB_CLASS_PERSONAL_HEALTHCARE: // 0x0f, /** Personal Healthcare */
+ return "Helthcare";
+ case LIBUSB_CLASS_DIAGNOSTIC_DEVICE: // 0xdc, /** Diagnostic Device */
+ return "Diag";
+ case LIBUSB_CLASS_WIRELESS: // 0xe0, /** Wireless class */
+ return "Wireless";
+ case LIBUSB_CLASS_APPLICATION: // 0xfe, /** Application class */
+ return "App";
+ case LIBUSB_CLASS_VENDOR_SPEC: // 0xff /** Class is vendor-specific */
+ return "Vender specific";
+ default:
+ return "Unknown";
+ }
+}
+
+static const char *_uvc_name_for_subtype(const uint8_t subtype) {
+ switch (subtype) {
+ case UVC_VS_UNDEFINED: // 0x00,
+ return "Undefined(0x00)";
+ case UVC_VS_INPUT_HEADER: // 0x01,
+ return "Header(Input,0x01)";
+ case UVC_VS_OUTPUT_HEADER: // 0x02,
+ return "Header(Output,0x02)";
+ case UVC_VS_STILL_IMAGE_FRAME: // 0x03,
+ return "Frame(StillImage,0x03)";
+ case UVC_VS_FORMAT_UNCOMPRESSED: // 0x04,
+ return "Format(Uncompressed,0x04)";
+ case UVC_VS_FRAME_UNCOMPRESSED: // 0x05,
+ return "Frame(Uncompressed,0x05)";
+ case UVC_VS_FORMAT_MJPEG: // 0x06,
+ return "Format(MJPEG,0x06)";
+ case UVC_VS_FRAME_MJPEG: // 0x07,
+ return "Frame(MJPEG,0x07)";
+ case UVC_VS_FORMAT_MPEG2TS: // 0x0a,
+ return "Format(MPEG2TS,0x0a)";
+ case UVC_VS_FORMAT_DV: // 0x0c,
+ return "Format(DV,0x0c)";
+ case UVC_VS_COLORFORMAT: // 0x0d,
+ return "ColorFormat(0x0d)";
+ case UVC_VS_FORMAT_FRAME_BASED: // 0x10,
+ return "Format(FRAME_BASED,0x10)";
+ case UVC_VS_FRAME_FRAME_BASED: // 0x11,
+ return "Frame(FRAME_BASED,0x10)";
+ case UVC_VS_FORMAT_STREAM_BASED: // 0x12
+ return "Format(STREAM_BASED,0x10)";
+ default:
+ return "Unknown";
+ }
+}
+
+/** @brief Print camera capabilities and configuration.
+ * @ingroup diag
+ *
+ * @param devh UVC device
+ * @param stream Output stream (stderr if NULL)
+ */
+void uvc_print_diag(uvc_device_handle_t *devh, FILE *stream) {
+ UVC_ENTER();
+
+ if (stream == NULL)
+ stream = stderr;
+
+ if (devh->info->ctrl_if.bcdUVC) {
+ uvc_streaming_interface_t *stream_if;
+ int stream_idx = 0;
+
+ uvc_device_descriptor_t *desc;
+ uvc_get_device_descriptor(devh->dev, &desc);
+
+ FPRINTF(stream, "DEVICE CONFIGURATION (%04x:%04x/%s) ---\n",
+ desc->idVendor, desc->idProduct,
+ desc->serialNumber ? desc->serialNumber : "[none]");
+
+ uvc_free_device_descriptor(desc);
+
+ FPRINTF(stream, "Status: %s\n", devh->streams ? "streaming" : "idle");
+
+ FPRINTF(stream, "VideoControl:\n"
+ "\tbcdUVC: 0x%04x\n", devh->info->ctrl_if.bcdUVC);
+
+ DL_FOREACH(devh->info->stream_ifs, stream_if)
+ {
+ uvc_format_desc_t *fmt_desc;
+
+ ++stream_idx;
+
+ FPRINTF(stream,
+ "VideoStreaming(%d):\n"
+ "\tbEndpointAddress: %d\n\tFormats:\n",
+ stream_idx, stream_if->bEndpointAddress);
+ uvc_print_format_desc(stream_if->format_descs, stream);
+ }
+
+ FPRINTF(stream, "END DEVICE CONFIGURATION\n");
+ } else {
+ FPRINTF(stream, "uvc_print_diag: Device not configured!\n");
+ }
+ UVC_EXIT_VOID();
+}
+
+void uvc_print_format_desc_one(uvc_format_desc_t *format_desc, FILE *stream) {
+
+ uvc_frame_desc_t *frame_desc;
+ int i;
+
+ switch (format_desc->bDescriptorSubtype) {
+ case UVC_VS_FORMAT_UNCOMPRESSED:
+ case UVC_VS_FORMAT_MJPEG:
+ FPRINTF(stream, "\t\tFormatDescriptor(bFormatIndex=%d)", format_desc->bFormatIndex);
+ FPRINTF(stream, "\t\t bDescriptorSubtype: %s",
+ _uvc_name_for_subtype(format_desc->bDescriptorSubtype));
+ FPRINTF(stream, "\t\t bits per pixel: %d", format_desc->bBitsPerPixel);
+ FPRINTF(stream,
+ "\t\t GUID:%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+ format_desc->guidFormat[0], format_desc->guidFormat[1],
+ format_desc->guidFormat[2], format_desc->guidFormat[3],
+ format_desc->guidFormat[4], format_desc->guidFormat[5],
+ format_desc->guidFormat[6], format_desc->guidFormat[7],
+ format_desc->guidFormat[8], format_desc->guidFormat[9],
+ format_desc->guidFormat[10], format_desc->guidFormat[11],
+ format_desc->guidFormat[12], format_desc->guidFormat[13],
+ format_desc->guidFormat[14], format_desc->guidFormat[15]);
+
+ FPRINTF(stream, "\t\t bDefaultFrameIndex: %d", format_desc->bDefaultFrameIndex);
+ FPRINTF(stream, "\t\t bAspectRatio(x,y): %dx%d", format_desc->bAspectRatioX, format_desc->bAspectRatioY);
+ FPRINTF(stream, "\t\t bmInterlaceFlags: 0x%02x", format_desc->bmInterlaceFlags);
+ FPRINTF(stream, "\t\t bCopyProtect: 0x%02x", format_desc->bCopyProtect);
+
+ DL_FOREACH(format_desc->frame_descs, frame_desc)
+ {
+ uint32_t *interval_ptr;
+
+ FPRINTF(stream, "\t\t\tFrameDescriptor(bFrameIndex=%d)", frame_desc->bFrameIndex);
+ FPRINTF(stream, "\t\t\t bDescriptorSubtype: %s", _uvc_name_for_subtype(frame_desc->bDescriptorSubtype));
+ FPRINTF(stream, "\t\t\t bmCapabilities: 0x%02x", frame_desc->bmCapabilities);
+ FPRINTF(stream, "\t\t\t size(w,h):(%d,%d)", frame_desc->wWidth, frame_desc->wHeight);
+ FPRINTF(stream, "\t\t\t bit rate(min,max): (%d,%d)", frame_desc->dwMinBitRate, frame_desc->dwMaxBitRate);
+ FPRINTF(stream, "\t\t\t dwMaxVideoFrameBufferSize: %d", frame_desc->dwMaxVideoFrameBufferSize);
+ FPRINTF(stream, "\t\t\t dwDefaultFrameInterval: 1/%d", 10000000 / frame_desc->dwDefaultFrameInterval);
+ if (frame_desc->intervals) {
+ for (interval_ptr = frame_desc->intervals;
+ *interval_ptr; ++interval_ptr) {
+ FPRINTF(stream, "\t\t\t interval[%d]: 1/%d",
+ (int ) (interval_ptr - frame_desc->intervals),
+ 10000000 / *interval_ptr);
+ }
+ } else {
+ FPRINTF(stream, "\t\t\t min interval[%d] = 1/%d",
+ frame_desc->dwMinFrameInterval,
+ 10000000 / frame_desc->dwMinFrameInterval);
+ FPRINTF(stream, "\t\t\t max interval[%d] = 1/%d",
+ frame_desc->dwMaxFrameInterval,
+ 10000000 / frame_desc->dwMaxFrameInterval);
+ if (frame_desc->dwFrameIntervalStep)
+ FPRINTF(stream, "\t\t\t interval step[%d] = 1/%d",
+ frame_desc->dwFrameIntervalStep,
+ 10000000 / frame_desc->dwFrameIntervalStep);
+ }
+ }
+ break;
+ default:
+ FPRINTF(stream, "\t-UnknownFormat:0x%2d", format_desc->bDescriptorSubtype);
+ }
+}
+
+void uvc_print_format_desc(uvc_format_desc_t *format_descriptors, FILE *stream) {
+ ENTER();
+
+ if (stream == NULL)
+ stream = stderr;
+
+ uvc_format_desc_t *fmt_desc;
+ MARK("FORMAT DESCRIPTOR");
+ DL_FOREACH(format_descriptors, fmt_desc)
+ {
+ uvc_print_format_desc_one(fmt_desc, stream);
+ }
+ MARK("END FORMAT DESCRIPTOR");
+
+ EXIT();
+}
+
+void uvc_print_device_desc(uvc_device_handle_t *devh, FILE *stream) {
+ ENTER();
+
+ if (stream == NULL)
+ stream = stderr;
+
+ struct libusb_device_descriptor usb_desc;
+ uvc_error_t ret;
+
+ ret = libusb_get_device_descriptor(devh->dev->usb_dev, &usb_desc);
+
+ if (UNLIKELY(ret != UVC_SUCCESS)) {
+ LOGE("failed libusb_get_device_descriptor");
+ EXIT();
+ }
+
+ FPRINTF(stream, "DEVICE DESCRIPTOR (%04x:%04x)", usb_desc.idVendor, usb_desc.idProduct);
+ FPRINTF(stream, "\t bLength:%d", usb_desc.bLength);
+ FPRINTF(stream, "\t bDescriptorType: %s", _uvc_name_for_desc_type(usb_desc.bDescriptorType));
+ FPRINTF(stream, "\t bcdUSB:0x%04x", usb_desc.bcdUSB);
+ FPRINTF(stream, "\t bDeviceClass: %s(0x%02x)", _uvc_name_for_class(usb_desc.bDeviceClass), usb_desc.bDeviceClass);
+ FPRINTF(stream, "\t bDeviceSubClass:0x%02x", usb_desc.bDeviceSubClass);
+ FPRINTF(stream, "\t bDeviceProtocol:0x%02x", usb_desc.bDeviceProtocol);
+ FPRINTF(stream, "\t bMaxPacketSize0:%d", usb_desc.bMaxPacketSize0);
+ FPRINTF(stream, "\t idVendor:0x%04x", usb_desc.idVendor);
+ FPRINTF(stream, "\t idProduct:0x%04x", usb_desc.idProduct);
+ FPRINTF(stream, "\t bcdDevice:0x%04x", usb_desc.bcdDevice);
+ FPRINTF(stream, "\t iManufacturer:%d", usb_desc.iManufacturer);
+ FPRINTF(stream, "\t iProduct:%d", usb_desc.iProduct);
+ FPRINTF(stream, "\t iSerialNumber:%d", usb_desc.iSerialNumber);
+ FPRINTF(stream, "\t bNumConfigurations:%d", usb_desc.bNumConfigurations);
+
+ EXIT();
+}
+
+void uvc_print_endpoint_desc(
+ const struct libusb_endpoint_descriptor *endpoint, const int num_endpoint,
+ const char *prefix, FILE *stream) {
+
+// ENTER();
+
+ if (stream == NULL)
+ stream = stderr;
+
+ int ep_ix;
+ const struct libusb_endpoint_descriptor *ep;
+
+ for (ep_ix = 0; ep_ix < num_endpoint; ep_ix++) {
+ ep = endpoint + ep_ix;
+ FPRINTF(stream, "%s endpoint(%d)", prefix, ep_ix);
+ if LIKELY(ep) {
+ FPRINTF(stream, "%s\t bLength:%d", prefix, ep->bLength);
+ FPRINTF(stream, "%s\t bDescriptorType: %s", prefix, _uvc_name_for_desc_type(ep->bDescriptorType));
+ FPRINTF(stream, "%s\t bEndpointAddress:0x%02x", prefix, ep->bEndpointAddress);
+ FPRINTF(stream, "%s\t bmAttributes:0x%02x", prefix, ep->bmAttributes);
+ FPRINTF(stream, "%s\t wMaxPacketSize:%d", prefix, ep->wMaxPacketSize);
+ FPRINTF(stream, "%s\t bInterval:%d", prefix, ep->bInterval);
+ FPRINTF(stream, "%s\t bRefresh(audio):%d", prefix, ep->bRefresh);
+ FPRINTF(stream, "%s\t bSynchAddress(audio):%d", prefix, ep->bSynchAddress);
+ FPRINTF(stream, "%s\t extra_length:%d", prefix, ep->extra_length);
+ }
+ }
+// EXIT();
+}
+
+void uvc_print_interface_desc(
+ const struct libusb_interface *interface, const int num_interface,
+ const char *prefix, FILE *stream) {
+
+// ENTER();
+
+ if (stream == NULL)
+ stream = stderr;
+
+ const struct libusb_interface *usb_if;
+ const struct libusb_interface_descriptor *altsetting;
+ int if_ix, alt_ix;
+ char pre[64];
+ sprintf(pre, "%s\t\t", prefix);
+ for (if_ix = 0; if_ix < num_interface; if_ix++) {
+ usb_if = interface + if_ix;
+ if LIKELY(usb_if) {
+ FPRINTF(stream, "%s interface(%d)", prefix, if_ix);
+ for (alt_ix = 0; alt_ix < usb_if->num_altsetting; alt_ix++) {
+ altsetting = usb_if->altsetting + alt_ix;
+ if LIKELY(altsetting) {
+ FPRINTF(stream, "%s\t altsetting:%d", prefix, alt_ix);
+ FPRINTF(stream, "%s\t\t bLength:%d", prefix, altsetting->bLength);
+ FPRINTF(stream, "%s\t\t bDescriptorType: %s", prefix, _uvc_name_for_desc_type(altsetting->bDescriptorType));
+ FPRINTF(stream, "%s\t\t bInterfaceNumber:%d", prefix, altsetting->bInterfaceNumber);
+ FPRINTF(stream, "%s\t\t bAlternateSetting:%d", prefix, altsetting->bAlternateSetting);
+ FPRINTF(stream, "%s\t\t bNumEndpoints:%d", prefix, altsetting->bNumEndpoints);
+ FPRINTF(stream, "%s\t\t bInterfaceClass: %s(0x%02x)", prefix, _uvc_name_for_class(altsetting->bInterfaceClass), altsetting->bInterfaceClass);
+ FPRINTF(stream, "%s\t\t bInterfaceSubClass:0x%02x", prefix, altsetting->bInterfaceSubClass);
+ FPRINTF(stream, "%s\t\t bInterfaceProtocol:0x%02x", prefix, altsetting->bInterfaceProtocol);
+ FPRINTF(stream, "%s\t\t iInterface:%d", prefix, altsetting->iInterface);
+ FPRINTF(stream, "%s\t\t extra_length:%d", prefix, altsetting->extra_length);
+ if (altsetting->bNumEndpoints)
+ uvc_print_endpoint_desc(altsetting->endpoint, altsetting->bNumEndpoints, pre, stream);
+ }
+ }
+ }
+ }
+
+// EXIT();
+}
+
+void uvc_print_configuration_desc(uvc_device_handle_t *devh, FILE *stream) {
+ ENTER();
+
+ if (stream == NULL)
+ stream = stderr;
+
+ int ret;
+ libusb_device_handle *usb_devh = uvc_get_libusb_handle(devh);
+ libusb_device *usb_dev = devh->dev->usb_dev;
+ struct libusb_config_descriptor *config_desc;
+ int config;
+
+ FPRINTF(stream, "CONFIGURATION DESCRIPTOR");
+ ret = libusb_get_configuration(usb_devh, &config);
+ if (!ret) {
+ FPRINTF(stream, "\t current=%d", config);
+ if LIKELY(config >= 0) {
+ ret = libusb_get_active_config_descriptor(usb_dev, &config_desc);
+ if LIKELY(!ret) {
+ FPRINTF(stream, "\t\t bLength:%d", config_desc->bLength);
+ FPRINTF(stream, "\t\t bDescriptorType: %s", _uvc_name_for_desc_type(config_desc->bDescriptorType));
+ FPRINTF(stream, "\t\t wTotalLength:%d", config_desc->wTotalLength);
+ FPRINTF(stream, "\t\t bNumInterfaces:%d", config_desc->bNumInterfaces);
+ FPRINTF(stream, "\t\t bConfigurationValue:%d", config_desc->bConfigurationValue);
+ FPRINTF(stream, "\t\t iConfiguration:%d", config_desc->iConfiguration);
+ FPRINTF(stream, "\t\t bmAttributes:0x%02x", config_desc->bmAttributes);
+ FPRINTF(stream, "\t\t MaxPower:%d x2[mA]", config_desc->MaxPower);
+ FPRINTF(stream, "\t\t extra_length:%d", config_desc->extra_length);
+ if (config_desc->wTotalLength && config_desc->bNumInterfaces)
+ uvc_print_interface_desc(config_desc->interface, config_desc->bNumInterfaces, "\t\t", stream);
+ libusb_free_config_descriptor(config_desc);
+ }
+ }
+ }
+
+ EXIT();
+}
projects / rtmpclient.git / blobdiff