mirror of
https://github.com/mpv-player/mpv.git
synced 2024-09-20 20:03:10 +02:00
0c1d95e81b
I am aware this detection may occur too late, depending on other settings, but at least it usually works and is portable. Where the output fd can be changed, though, it'd be better to force a similar behaviour via file descriptor use: use pipe:3 as output to FD 3, and change the calling program to expect the stream on FD 3.
337 lines
9.8 KiB
C
337 lines
9.8 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include "config.h"
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#include "osdep/getch2.h"
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#include "osdep/io.h"
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#ifdef CONFIG_GETTEXT
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#include <locale.h>
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#include <libintl.h>
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#endif
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#ifndef __MINGW32__
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#include <signal.h>
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#endif
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#include "core/mp_msg.h"
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bool mp_msg_stdout_in_use = 0;
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/* maximum message length of mp_msg */
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#define MSGSIZE_MAX 6144
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <io.h>
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#define hSTDOUT GetStdHandle(STD_OUTPUT_HANDLE)
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#define hSTDERR GetStdHandle(STD_ERROR_HANDLE)
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static short stdoutAttrs = 0;
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static const unsigned char ansi2win32[10] = {
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0,
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FOREGROUND_RED,
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FOREGROUND_GREEN,
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FOREGROUND_GREEN | FOREGROUND_RED,
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FOREGROUND_BLUE,
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FOREGROUND_BLUE | FOREGROUND_RED,
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FOREGROUND_BLUE | FOREGROUND_GREEN,
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FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED,
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FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED,
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FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED
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};
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#endif
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int mp_msg_levels[MSGT_MAX]; // verbose level of this module. initialized to -2
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int mp_msg_level_all = MSGL_STATUS;
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int verbose = 0;
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int mp_msg_color = 1;
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int mp_msg_module = 0;
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int mp_msg_cancolor = 0;
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static int mp_msg_docolor(void) {
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return mp_msg_cancolor && mp_msg_color;
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}
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void mp_msg_init(void){
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#ifdef _WIN32
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CONSOLE_SCREEN_BUFFER_INFO cinfo;
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long cmode = 0;
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GetConsoleMode(hSTDOUT, &cmode);
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cmode |= (ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT);
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SetConsoleMode(hSTDOUT, cmode);
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SetConsoleMode(hSTDERR, cmode);
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GetConsoleScreenBufferInfo(hSTDOUT, &cinfo);
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stdoutAttrs = cinfo.wAttributes;
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#endif
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#ifndef __MINGW32__
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struct sigaction sa;
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sa.sa_handler = SIG_IGN;
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sa.sa_flags = 0;
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sigemptyset(&sa.sa_mask);
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sigaction(SIGTTOU, &sa, NULL); // just write to stdout if you have to
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#endif
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int i;
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char *env = getenv("MPV_VERBOSE");
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if (env)
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verbose = atoi(env);
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for(i=0;i<MSGT_MAX;i++) mp_msg_levels[i] = -2;
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mp_msg_cancolor = isatty(fileno(stdout));
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mp_msg_levels[MSGT_IDENTIFY] = -1; // no -identify output by default
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#ifdef CONFIG_GETTEXT
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textdomain("mpv");
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char *localedir = getenv("MPV_LOCALEDIR");
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if (localedir == NULL && strlen(MPLAYER_LOCALEDIR))
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localedir = MPLAYER_LOCALEDIR;
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bindtextdomain("mpv", localedir);
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bind_textdomain_codeset("mpv", "UTF-8");
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#endif
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}
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int mp_msg_test(int mod, int lev)
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{
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#ifndef __MINGW32__
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if (lev == MSGL_STATUS) {
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// skip status line output if stderr is a tty but in background
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if (isatty(2) && tcgetpgrp(2) != getpgrp())
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return false;
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}
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#endif
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return lev <= (mp_msg_levels[mod] == -2 ? mp_msg_level_all + verbose : mp_msg_levels[mod]);
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}
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static void set_msg_color(FILE* stream, int lev)
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{
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static const int v_colors[10] = {9, 1, 3, 3, -1, -1, 2, 8, 8, 8};
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int c = v_colors[lev];
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#ifdef MP_ANNOY_ME
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/* that's only a silly color test */
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{
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int c;
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static int flag = 1;
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if (flag)
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for(c = 0; c < 24; c++)
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printf("\033[%d;3%dm*** COLOR TEST %d ***\n", c>7, c&7, c);
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flag = 0;
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}
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#endif
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if (mp_msg_docolor())
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{
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#ifdef _WIN32
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HANDLE *wstream = stream == stderr ? hSTDERR : hSTDOUT;
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if (c == -1)
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c = 7;
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SetConsoleTextAttribute(wstream, ansi2win32[c] | FOREGROUND_INTENSITY);
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#else
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if (c == -1) {
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fprintf(stream, "\033[0m");
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} else {
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fprintf(stream, "\033[%d;3%dm", c >> 3, c & 7);
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}
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#endif
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}
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}
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static void print_msg_module(FILE* stream, int mod)
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{
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static const char *module_text[MSGT_MAX] = {
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"GLOBAL",
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"CPLAYER",
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"GPLAYER",
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"VIDEOOUT",
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"AUDIOOUT",
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"DEMUXER",
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"DS",
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"DEMUX",
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"HEADER",
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"AVSYNC",
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"AUTOQ",
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"CFGPARSER",
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"DECAUDIO",
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"DECVIDEO",
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"SEEK",
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"WIN32",
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"OPEN",
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"DVD",
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"PARSEES",
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"LIRC",
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"STREAM",
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"CACHE",
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"MENCODER",
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"XACODEC",
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"TV",
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"OSDEP",
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"SPUDEC",
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"PLAYTREE",
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"INPUT",
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"VFILTER",
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"OSD",
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"NETWORK",
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"CPUDETECT",
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"CODECCFG",
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"SWS",
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"VOBSUB",
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"SUBREADER",
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"AFILTER",
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"NETST",
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"MUXER",
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"OSDMENU",
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"IDENTIFY",
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"RADIO",
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"ASS",
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"LOADER",
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"STATUSLINE",
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};
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int c2 = (mod + 1) % 15 + 1;
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if (!mp_msg_module)
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return;
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#ifdef _WIN32
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HANDLE *wstream = stream == stderr ? hSTDERR : hSTDOUT;
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if (mp_msg_docolor())
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SetConsoleTextAttribute(wstream, ansi2win32[c2&7] | FOREGROUND_INTENSITY);
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fprintf(stream, "%9s", module_text[mod]);
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if (mp_msg_docolor())
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SetConsoleTextAttribute(wstream, stdoutAttrs);
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#else
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if (mp_msg_docolor())
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fprintf(stream, "\033[%d;3%dm", c2 >> 3, c2 & 7);
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fprintf(stream, "%9s", module_text[mod]);
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if (mp_msg_docolor())
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fprintf(stream, "\033[0;37m");
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#endif
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fprintf(stream, ": ");
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}
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void mp_msg_va(int mod, int lev, const char *format, va_list va)
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{
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char tmp[MSGSIZE_MAX];
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FILE *stream =
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(mp_msg_stdout_in_use || (lev == MSGL_STATUS)) ? stderr : stdout;
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static int header = 1;
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// indicates if last line printed was a status line
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static int statusline;
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if (!mp_msg_test(mod, lev)) return; // do not display
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vsnprintf(tmp, MSGSIZE_MAX, format, va);
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tmp[MSGSIZE_MAX-2] = '\n';
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tmp[MSGSIZE_MAX-1] = 0;
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/* A status line is normally intended to be overwritten by the next
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* status line, and does not end with a '\n'. If we're printing a normal
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* line instead after the status one print '\n' to change line. */
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if (statusline && lev != MSGL_STATUS)
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fprintf(stderr, "\n");
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statusline = lev == MSGL_STATUS;
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if (header)
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print_msg_module(stream, mod);
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set_msg_color(stream, lev);
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size_t len = strlen(tmp);
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header = len && (tmp[len-1] == '\n' || tmp[len-1] == '\r');
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fprintf(stream, "%s", tmp);
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if (mp_msg_docolor())
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{
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#ifdef _WIN32
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HANDLE *wstream = lev <= MSGL_WARN ? hSTDERR : hSTDOUT;
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SetConsoleTextAttribute(wstream, stdoutAttrs);
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#else
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fprintf(stream, "\033[0m");
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#endif
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}
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fflush(stream);
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}
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void mp_msg(int mod, int lev, const char *format, ...)
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{
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va_list va;
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va_start(va, format);
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mp_msg_va(mod, lev, format, va);
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va_end(va);
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}
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char *mp_gtext(const char *string)
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{
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#ifdef CONFIG_GETTEXT
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/* gettext expects the global locale to be set with
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* setlocale(LC_ALL, ""). However doing that would suck for a
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* couple of reasons (locale stuff is badly designed and sucks in
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* general).
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*
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* First, setting the locale, especially LC_CTYPE, changes the
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* behavior of various C functions and we don't want that - we
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* want isalpha() for example to always behave like in the C
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* locale.
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* Second, there is no way to enforce a sane character set. All
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* strings inside MPlayer must always be in utf-8, not in the
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* character set specified by the system locale which could be
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* something different and completely insane. The locale system
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* lacks any way to say "set LC_CTYPE to utf-8, ignoring the
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* default system locale if it specifies something different". We
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* could try to work around that flaw by leaving LC_CTYPE to the C
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* locale and only setting LC_MESSAGES (which is the variable that
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* must be set to tell gettext which language to translate
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* to). However if we leave LC_MESSAGES set then things like
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* strerror() may produce completely garbled output when they try
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* to translate their results but then try to convert some
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* translated non-ASCII text to the character set specified by
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* LC_CTYPE which would still be in the C locale (this doesn't
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* affect gettext itself because it supports specifying the
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* character set directly with bind_textdomain_codeset()).
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*
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* So the only solution (at least short of trying to work around
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* things possibly producing non-utf-8 output) is to leave all the
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* locale variables unset. Note that this means it's not possible
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* to get translated output from any libraries we call if they
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* only rely on the broken locale system to specify the language
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* to use; this is the case with libc for example.
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*
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* The locale changing below is rather ugly, but hard to avoid.
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* gettext doesn't support specifying the translation target
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* directly, only through locale.
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* The main actual problem this could cause is interference with
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* other threads; that could be avoided with thread-specific
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* locale changes, but such functionality is less standard and I
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* think it's not worth adding pre-emptively unless someone sees
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* an actual problem case.
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*/
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setlocale(LC_MESSAGES, "");
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string = gettext(string);
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setlocale(LC_MESSAGES, "C");
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#endif
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return (char *)string;
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}
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void mp_tmsg(int mod, int lev, const char *format, ...)
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{
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va_list va;
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va_start(va, format);
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mp_msg_va(mod, lev, mp_gtext(format), va);
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va_end(va);
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}
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