Ubuntu22.04安装网易云音乐

// SPDX-License-Identifier: BSD-3-Clause /** * Copyright (c) 2021 kXuan. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the * following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following * disclaimer. * 2. 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. * 3. Neither the name of the copyright holder nor the names of its 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 HOLDER 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. * */ #define _GNU_SOURCE #include <dlfcn.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> #include <vlc/vlc.h> #include <vlc/plugins/vlc_common.h> #include <vlc/plugins/vlc_stream.h> static void *load_sym(void *override_func, const char *name) { void *ptr = dlsym(RTLD_NEXT, name); if (ptr == NULL) { fprintf(stderr, "Cannot load symbol '%s' %s. Please report bug on AUR.\n", name, dlerror()); exit(1); } if (ptr == override_func) { fprintf(stderr, "circular reference '%s'. Please report bug on AUR.\n", name); exit(1); } return ptr; } static int is_flac(const char *url) { static const char suffix[] = ".flac"; if (!url) { return 0; } size_t len = strlen(url); if (len < sizeof(suffix)) { return 0; } return strcasecmp(url + len - sizeof(suffix) + 1, suffix) == 0; } /** * The netease cloud music server set the Content-Type of .flac format to mpeg/audio, which results vlc unable to decode * the music and play. * * To make vlc works correctly, we rewrite the Content-Type to audio/flac. * * @param s * @param query * @param args * @return */ int vlc_stream_vaControl(stream_t *s, int query, va_list args) { static typeof(vlc_stream_vaControl) *orig_fn; if (orig_fn == NULL) { orig_fn = load_sym(vlc_stream_vaControl, __func__); } if (query == STREAM_GET_CONTENT_TYPE && is_flac(s->psz_url)) { *va_arg(args, char **) = strdup("audio/flac"); return VLC_SUCCESS; } else { return orig_fn(s, query, args); } } struct string_with_len { const char *s; size_t len; }; #define STRING_WITH_LEN_INIT(s) {s, sizeof(s)-1} /** * drop all library fixes. * * Library fixes should only be applied to the netease-cloud-music main process. Sometime, netease-cloud-music execute * external program, such as `xdg-open`, `kde-open5`. Those external programs use newer version qt and other new * libraries. If we don't drop these environment variables, those programs may not work, because some symbol may not * exist in the bundled old library. * * @param path * @param argv * @param envp * @return */ int execve(const char *path, char *const argv[], char *const envp[]) { static typeof(execve) *orig_fn; if (orig_fn == NULL) { orig_fn = load_sym(execve, "execve"); } static struct string_with_len drop_env[] = { STRING_WITH_LEN_INIT("LD_LIBRARY_PATH="), STRING_WITH_LEN_INIT("LD_PRELOAD="), STRING_WITH_LEN_INIT("QT_PLUGIN_PATH="), STRING_WITH_LEN_INIT("QT_QPA_PLATFORM_PLUGIN_PATH="), STRING_WITH_LEN_INIT("QT_QPA_PLATFORM="), }; size_t nenv; for (nenv = 0; envp[nenv]; nenv++); char *new_envp[nenv + 1]; char *const *src = envp; char **dst = new_envp; while (*src) { for (int i = 0; i < sizeof(drop_env) / sizeof(*drop_env); ++i) { if (strncmp(drop_env[i].s, *src, drop_env[i].len) == 0) { goto next_env; } } *dst = *src; ++dst; next_env: ++src; } *dst = NULL; return orig_fn(path, argv, new_envp); }