mpv/mp_msg.c

//#define MSG_USE_COLORS

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>

#include "config.h"

#ifdef USE_ICONV
#include <iconv.h>
#include <errno.h>
extern char* get_term_charset(void);
#endif

#if defined(FOR_MENCODER)
#undef HAVE_NEW_GUI
int use_gui;
#endif

#ifdef HAVE_NEW_GUI
#include "gui/interface.h"
#endif
#include "mp_msg.h"

/* maximum message length of mp_msg */
#define MSGSIZE_MAX 3072

int mp_msg_levels[MSGT_MAX]; // verbose level of this module. initialized to -2
int mp_msg_level_all = MSGL_STATUS;
int verbose = 0;
#ifdef USE_ICONV
char *mp_msg_charset = NULL;
static char *old_charset = NULL;
static iconv_t msgiconv;
#endif

const char* filename_recode(const char* filename)
{
#if !defined(USE_ICONV) || !defined(MSG_CHARSET)
    return filename;
#else
    static iconv_t inv_msgiconv = (iconv_t)(-1);
    static char recoded_filename[MSGSIZE_MAX];
    size_t filename_len, max_path;
    char* precoded;
    if (!mp_msg_charset ||
        !strcasecmp(mp_msg_charset, MSG_CHARSET) ||
        !strcasecmp(mp_msg_charset, "noconv"))
        return filename;
    if (inv_msgiconv == (iconv_t)(-1)) {
        inv_msgiconv = iconv_open(MSG_CHARSET, mp_msg_charset);
        if (inv_msgiconv == (iconv_t)(-1))
            return filename;
    }
    filename_len = strlen(filename);
    max_path = MSGSIZE_MAX - 4;
    precoded = recoded_filename;
    if (iconv(inv_msgiconv, &filename, &filename_len,
              &precoded, &max_path) == (size_t)(-1) && errno == E2BIG) {
        precoded[0] = precoded[1] = precoded[2] = '.';
        precoded += 3;
    }
    *precoded = '\0';
    return recoded_filename;
#endif
}

void mp_msg_init(void){
    int i;
    char *env = getenv("MPLAYER_VERBOSE");
    if (env)
        verbose = atoi(env);
    for(i=0;i<MSGT_MAX;i++) mp_msg_levels[i] = -2;
    mp_msg_levels[MSGT_IDENTIFY] = -1; // no -identify output by default
#ifdef USE_ICONV
    mp_msg_charset = getenv("MPLAYER_CHARSET");
    if (!mp_msg_charset)
      mp_msg_charset = get_term_charset();
#endif
}

int mp_msg_test(int mod, int lev)
{
    return lev <= (mp_msg_levels[mod] == -2 ? mp_msg_level_all + verbose : mp_msg_levels[mod]);
}

void mp_msg(int mod, int lev, const char *format, ... ){
    va_list va;
    char tmp[MSGSIZE_MAX];

    if (!mp_msg_test(mod, lev)) return; // do not display
    va_start(va, format);
    vsnprintf(tmp, MSGSIZE_MAX, format, va);
    va_end(va);
    tmp[MSGSIZE_MAX-2] = '\n';
    tmp[MSGSIZE_MAX-1] = 0;

#ifdef HAVE_NEW_GUI
    if(use_gui)
        guiMessageBox(lev, tmp);
#endif

#if defined(USE_ICONV) && defined(MSG_CHARSET)
    if (mp_msg_charset && strcasecmp(mp_msg_charset, "noconv")) {
      char tmp2[MSGSIZE_MAX];
      size_t inlen = strlen(tmp), outlen = MSGSIZE_MAX;
      char *in = tmp, *out = tmp2;
      if (!old_charset || strcmp(old_charset, mp_msg_charset)) {
        if (old_charset) {
          free(old_charset);
          iconv_close(msgiconv);
        }
        msgiconv = iconv_open(mp_msg_charset, MSG_CHARSET);
        old_charset = strdup(mp_msg_charset);
      }
      if (msgiconv == (iconv_t)(-1)) {
        fprintf(stderr,"iconv: conversion from %s to %s unsupported\n"
               ,MSG_CHARSET,mp_msg_charset);
      }else{
      memset(tmp2, 0, MSGSIZE_MAX);
      while (iconv(msgiconv, &in, &inlen, &out, &outlen) == -1) {
        if (!inlen || !outlen)
          break;
        *out++ = *in++;
        outlen--; inlen--;
      }
      strncpy(tmp, tmp2, MSGSIZE_MAX);
      tmp[MSGSIZE_MAX-1] = 0;
      tmp[MSGSIZE_MAX-2] = '\n';
      }
    }
#endif

#ifdef MSG_USE_COLORS
/* that's only a silly color test */
#ifdef MP_ANNOY_ME
    { int c;
      static int flag=1;
      if(flag)
      for(c=0;c<24;c++)
          printf("\033[%d;3%dm***  COLOR TEST %d  ***\n",(c>7),c&7,c);
      flag=0;
    }
#endif
    {   unsigned char v_colors[10]={9,1,3,15,7,2,2,8,8,8};
        static const char *mod_text[MSGT_MAX]= {
                                "GLOBAL",
                                "CPLAYER",
                                "GPLAYER",
                                "VIDEOOUT",
                                "AUDIOOUT",
                                "DEMUXER",
                                "DS",
                                "DEMUX",
                                "HEADER",
                                "AVSYNC",
                                "AUTOQ",
                                "CFGPARSER",
                                "DECAUDIO",
                                "DECVIDEO",
                                "SEEK",
                                "WIN32",
                                "OPEN",
                                "DVD",
                                "PARSEES",
                                "LIRC",
                                "STREAM",
                                "CACHE",
                                "MENCODER",
                                "XACODEC",
                                "TV",
                                "OSDEP",
                                "SPUDEC",
                                "PLAYTREE",
                                "INPUT",
                                "VFILTER",
                                "OSD",
                                "NETWORK",
                                "CPUDETECT",
                                "CODECCFG",
                                "SWS",
                                "VOBSUB",
                                "SUBREADER",
                                "AFILTER",
                                "NETST",
                                "MUXER",
                                "OSDMENU",
                                "IDENTIFY",
                                "RADIO",
                                "ASS",
                                "LOADER",
                                "STATUSLINE",
        };

        int c=v_colors[lev];
        int c2=(mod+1)%15+1;
        static int header=1;
        FILE *stream= (lev) <= MSGL_WARN ? stderr : stdout;
        if(header){
            fprintf(stream, "\033[%d;3%dm%9s\033[0;37m: ",c2>>3,c2&7, mod_text[mod]);
        }
        fprintf(stream, "\033[%d;3%dm",c>>3,c&7);
        header=    tmp[strlen(tmp)-1] == '\n'
                 ||tmp[strlen(tmp)-1] == '\r';
    }
#endif
    if (lev <= MSGL_WARN){
        fprintf(stderr, "%s", tmp);fflush(stderr);
    } else {
        printf("%s", tmp);fflush(stdout);
    }
}