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126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2021-2022 HandsomeMod Project
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*
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* Handsomeyingyan <handsomeyingyan@gmail.com>
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*
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* GC(Gadget Controller) is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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*/
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#include "gc_uvc.h"
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int gc_uvc_create(int argc,char *argv[],gc_generic_info info)
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{
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usbg_gadget *gadget = gc_init(info);
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if(gadget == NULL)
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return GC_FAILED;
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usbg_function *f_uvc;
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int usbg_ret;
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char *id = gc_generate_id(USBG_F_UVC);
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if(id == NULL)
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return GC_FAILED;
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struct usbg_f_uvc_frame_attrs uvc_frame_attrs_array[] = {
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{
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.bFrameIndex = 1,
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.dwFrameInterval = 2000000,
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.wHeight = 480,
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.wWidth = 640,
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}, {
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.bFrameIndex = 2,
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.dwFrameInterval = 2000000,
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.wHeight = 1080,
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.wWidth = 1920,
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}, {
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.bFrameIndex = 3,
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.dwFrameInterval = 333333,
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.wHeight = 1080,
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.wWidth = 1920,
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}, {
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.bFrameIndex = 4,
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.dwFrameInterval = 333333,
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.wHeight = 2160,
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.wWidth = 3840,
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}
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};
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struct usbg_f_uvc_frame_attrs *uvc_frame_mjpeg_attrs[] = {
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&uvc_frame_attrs_array[0],
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&uvc_frame_attrs_array[1],
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&uvc_frame_attrs_array[2],
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&uvc_frame_attrs_array[3],
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NULL,
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};
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struct usbg_f_uvc_frame_attrs *uvc_frame_uncompressed_attrs[] = {
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&uvc_frame_attrs_array[0],
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&uvc_frame_attrs_array[1],
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&uvc_frame_attrs_array[2],
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&uvc_frame_attrs_array[3],
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NULL,
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};
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struct usbg_f_uvc_format_attrs uvc_format_attrs_array[] = {
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{
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.frames = uvc_frame_mjpeg_attrs,
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.format = "mjpeg/m",
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.bDefaultFrameIndex = 3,
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}, {
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.frames = uvc_frame_uncompressed_attrs,
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.format = "uncompressed/u",
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.bDefaultFrameIndex = 2,
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}
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};
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struct usbg_f_uvc_format_attrs *uvc_format_attrs[] = {
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&uvc_format_attrs_array[0],
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&uvc_format_attrs_array[1],
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NULL,
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};
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struct usbg_f_uvc_attrs uvc_attrs = {
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.formats = uvc_format_attrs,
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};
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struct usbg_config_strs config_strs = {
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.configuration = id
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};
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usbg_ret = usbg_create_function(gadget,USBG_F_UVC,id,&uvc_attrs,&f_uvc);
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if(usbg_ret != USBG_SUCCESS){
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fprintf(stderr,"failed to create uvc function! (maybe kernel module not loaded?) \n");
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gc_clean();
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return GC_FAILED;
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}
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/* for now we only create one config file */
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usbg_config *config = gc_get_config(gadget);
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usbg_ret = usbg_add_config_function(config,id,f_uvc);
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if(usbg_ret != USBG_SUCCESS){
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fprintf(stderr,"failed to bind uvc config to function! \n");
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gc_clean();
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return GC_FAILED;
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}
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usbg_ret = usbg_enable_gadget(gadget, DEFAULT_UDC);
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if(usbg_ret != USBG_SUCCESS){
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fprintf(stderr,"failed to enable gadget! \n");
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gc_clean();
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return GC_FAILED;
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}
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gc_clean();
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return GC_SUCCESS;
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}
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