+++ /dev/null
-/*********************************************************************
-* 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
- */
-
-#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"}
-};
-
-/** @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) {
- 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);
-}
-
-static const char *_uvc_name_for_format_subtype(uint8_t subtype) {
- switch (subtype) {
- case UVC_VS_FORMAT_UNCOMPRESSED:
- return "UncompressedFormat";
- case UVC_VS_FORMAT_MJPEG:
- return "MJPEGFormat";
- 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) {
- 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);
-
- DL_FOREACH(stream_if->format_descs, fmt_desc) {
- uvc_frame_desc_t *frame_desc;
- int i;
-
- switch (fmt_desc->bDescriptorSubtype) {
- case UVC_VS_FORMAT_UNCOMPRESSED:
- case UVC_VS_FORMAT_MJPEG:
- fprintf(stream,
- "\t\%s(%d)\n"
- "\t\t bits per pixel: %d\n"
- "\t\t GUID: ",
- _uvc_name_for_format_subtype(fmt_desc->bDescriptorSubtype),
- fmt_desc->bFormatIndex,
- fmt_desc->bBitsPerPixel);
-
- for (i = 0; i < 16; ++i)
- fprintf(stream, "%02x", fmt_desc->guidFormat[i]);
-
- fprintf(stream, "\n");
-
- fprintf(stream,
- "\t\t default frame: %d\n"
- "\t\t aspect ration: %dx%d\n"
- "\t\t interlace flags: %02x\n"
- "\t\t copy protect: %02x\n",
- fmt_desc->bDefaultFrameIndex,
- fmt_desc->bAspectRatioX,
- fmt_desc->bAspectRatioY,
- fmt_desc->bmInterlaceFlags,
- fmt_desc->bCopyProtect);
-
- DL_FOREACH(fmt_desc->frame_descs, frame_desc) {
- uint32_t *interval_ptr;
-
- fprintf(stream,
- "\t\t\tFrameDescriptor(%d)\n"
- "\t\t\t capabilities: %02x\n"
- "\t\t\t size: %dx%d\n"
- "\t\t\t bit rate: %d-%d\n"
- "\t\t\t max frame size: %d\n"
- "\t\t\t default interval: 1/%d\n",
- frame_desc->bFrameIndex,
- frame_desc->bmCapabilities,
- frame_desc->wWidth,
- frame_desc->wHeight,
- frame_desc->dwMinBitRate,
- frame_desc->dwMaxBitRate,
- frame_desc->dwMaxVideoFrameBufferSize,
- 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\n",
- (int) (interval_ptr - frame_desc->intervals),
- 10000000 / *interval_ptr);
- }
- } else {
- fprintf(stream,
- "\t\t\t min interval[%d] = 1/%d\n"
- "\t\t\t max interval[%d] = 1/%d\n",
- frame_desc->dwMinFrameInterval,
- 10000000 / frame_desc->dwMinFrameInterval,
- frame_desc->dwMaxFrameInterval,
- 10000000 / frame_desc->dwMaxFrameInterval);
- if (frame_desc->dwFrameIntervalStep)
- fprintf(stream,
- "\t\t\t interval step[%d] = 1/%d\n",
- frame_desc->dwFrameIntervalStep,
- 10000000 / frame_desc->dwFrameIntervalStep);
- }
- }
- break;
- default:
- fprintf(stream, "\t-UnknownFormat\n");
- }
- }
- }
-
- fprintf(stream, "END DEVICE CONFIGURATION\n");
- } else {
- fprintf(stream, "uvc_print_diag: Device not configured!\n");
- }
-}
-
projects / rtmpclient.git / blobdiff