Exemplo n.º 1
0
int
main(int argc, char **argv)
{
    int     ret;
    lame_global_flags *gf;
    char    outPath[PATH_MAX + 1];
    char    nogapdir[PATH_MAX + 1];
    char    inPath[PATH_MAX + 1];

    /* support for "nogap" encoding of up to 200 .wav files */
#define MAX_NOGAP 200
    int    nogapout = 0;
    int     max_nogap = MAX_NOGAP;
    char   *nogap_inPath[MAX_NOGAP];

    int     i;
    FILE   *outf;

#if macintosh
    argc = ccommand(&argv);
#endif

#if defined(_WIN32)
   /* set affinity back to all CPUs.  Fix for EAC/lame on SMP systems from
     "Todd Richmond" <*****@*****.**> */
    typedef BOOL (WINAPI *SPAMFunc)(HANDLE, DWORD);
    SPAMFunc func;
    SYSTEM_INFO si;

    if ((func = (SPAMFunc)GetProcAddress(GetModuleHandle("KERNEL32.DLL"),
        "SetProcessAffinityMask")) != NULL) {
        GetSystemInfo(&si);
        func(GetCurrentProcess(), si.dwActiveProcessorMask);
    }
#endif


#ifdef __EMX__
    /* This gives wildcard expansion on Non-POSIX shells with OS/2 */
    _wildcard(&argc, &argv);
#endif

    for (i = 0; i < max_nogap; ++i) {
        nogap_inPath[i] = malloc(PATH_MAX + 1);
    }

    memset(inPath, 0, sizeof(inPath));
    
    /* initialize libmp3lame */
    input_format = sf_unknown;
    if (NULL == (gf = lame_init())) {
        fprintf(stderr, "fatal error during initialization\n");
        return 1;
    }
    if (argc <= 1) {
        usage(stderr, argv[0]); /* no command-line args, print usage, exit  */
        return 1;
    }

    /* parse the command line arguments, setting various flags in the
     * struct 'gf'.  If you want to parse your own arguments,
     * or call libmp3lame from a program which uses a GUI to set arguments,
     * skip this call and set the values of interest in the gf struct.
     * (see the file API and lame.h for documentation about these parameters)
     */
    parse_args_from_string(gf, getenv("LAMEOPT"), inPath, outPath);
    ret = parse_args(gf, argc, argv, inPath, outPath, nogap_inPath, &max_nogap);
    if (ret < 0)
        return ret == -2 ? 0 : 1;

    if (update_interval < 0.)
        update_interval = 2.;

    if (outPath[0] != '\0' && max_nogap>0) {
        strncpy(nogapdir, outPath, PATH_MAX + 1);  
        nogapout = 1;
    }
    
    /* initialize input file.  This also sets samplerate and as much
       other data on the input file as available in the headers */
    if (max_nogap > 0) {
        /* for nogap encoding of multiple input files, it is not possible to
         * specify the output file name, only an optional output directory. */
        parse_nogap_filenames(nogapout,nogap_inPath[0],outPath,nogapdir);
        outf = init_files(gf, nogap_inPath[0], outPath);
    }
    else {
        outf = init_files(gf, inPath, outPath);
    }
    if (outf == NULL) {
        return -1;
    }

    /* Now that all the options are set, lame needs to analyze them and
     * set some more internal options and check for problems
     */
    i = lame_init_params(gf);
    if (i < 0) {
        if (i == -1) {
            display_bitrates(stderr);
        }
        fprintf(stderr, "fatal error during initialization\n");
        return i;
    }

    if (silent > 0 
#ifndef RH_HIST   
    || lame_get_VBR(gf) == vbr_off
#endif
    ) {
        brhist = 0;     /* turn off VBR histogram */
    }


    if (lame_get_decode_only(gf)) {
        /* decode an mp3 file to a .wav */
        if (mp3_delay_set)
            lame_decoder(gf, outf, mp3_delay, inPath, outPath);
        else
            lame_decoder(gf, outf, 0, inPath, outPath);

    }
    else {
        if (max_nogap > 0) {
            /*
             * encode multiple input files using nogap option
             */
            for (i = 0; i < max_nogap; ++i) {
                int     use_flush_nogap = (i != (max_nogap - 1));
                if (i > 0) {
                    parse_nogap_filenames(nogapout,nogap_inPath[i],outPath,nogapdir);
                    /* note: if init_files changes anything, like
                       samplerate, num_channels, etc, we are screwed */
                    outf = init_files(gf, nogap_inPath[i], outPath);
                }
                brhist_init_package(gf);
                lame_set_nogap_total(gf, max_nogap);
                lame_set_nogap_currentindex(gf, i);
                ret =
                    lame_encoder(gf, outf, use_flush_nogap, nogap_inPath[i],
                                 outPath);	
                
                if (silent<=0) print_lame_tag_leading_info(gf);
                lame_mp3_tags_fid(gf, outf); /* add VBR tags to mp3 file */
		
                if (silent<=0) print_trailing_info(gf);
                
                fclose(outf); /* close the output file */
                close_infile(); /* close the input file */

                /* reinitialize bitstream for next encoding.  this is normally done
                 * by lame_init_params(), but we cannot call that routine twice */
                if (use_flush_nogap) 
                    lame_init_bitstream(gf);
            }
            lame_close(gf);

        }
        else {
            /*
             * encode a single input file
             */
            brhist_init_package(gf);
            ret = lame_encoder(gf, outf, 0, inPath, outPath);
            
            if (silent<=0) print_lame_tag_leading_info(gf);
            lame_mp3_tags_fid(gf, outf); /* add VBR tags to mp3 file */
	    
            if (silent<=0) print_trailing_info(gf);
            
            fclose(outf); /* close the output file */
            close_infile(); /* close the input file */
            lame_close(gf);
        }
    }
    return ret;
}
Exemplo n.º 2
0
void
encoder_progress_begin( lame_global_flags const* gf
                      , char              const* inPath
                      , char              const* outPath
                      )
{
    brhist_init_package(gf);
    global_encoder_progress.time_status_init = 0;
    global_encoder_progress.last_time = 0;
    global_encoder_progress.last_frame_num = 0;
    if (global_ui_config.silent < 9) {
        char* i_file = 0;
        char* o_file = 0;
#if defined( _WIN32 ) && !defined(__MINGW32__)
        inPath = i_file = utf8ToLocal8Bit(inPath);
        outPath = o_file = utf8ToConsole8Bit(outPath);
#endif
        lame_print_config(gf); /* print useful information about options being used */

        console_printf("Encoding %s%s to %s\n",
                       strcmp(inPath, "-") ? inPath : "<stdin>",
                       strlen(inPath) + strlen(outPath) < 66 ? "" : "\n     ",
                       strcmp(outPath, "-") ? outPath : "<stdout>");

        free(i_file);
        free(o_file);

        console_printf("Encoding as %g kHz ", 1.e-3 * lame_get_out_samplerate(gf));

        {
            static const char *mode_names[2][4] = {
                {"stereo", "j-stereo", "dual-ch", "single-ch"},
                {"stereo", "force-ms", "dual-ch", "single-ch"}
            };
            switch (lame_get_VBR(gf)) {
            case vbr_rh:
                console_printf("%s MPEG-%u%s Layer III VBR(q=%g) qval=%i\n",
                               mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)],
                               2 - lame_get_version(gf),
                               lame_get_out_samplerate(gf) < 16000 ? ".5" : "",
                               lame_get_VBR_quality(gf),
                               lame_get_quality(gf));
                break;
            case vbr_mt:
            case vbr_mtrh:
                console_printf("%s MPEG-%u%s Layer III VBR(q=%g)\n",
                               mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)],
                               2 - lame_get_version(gf),
                               lame_get_out_samplerate(gf) < 16000 ? ".5" : "",
                               lame_get_VBR_quality(gf));
                break;
            case vbr_abr:
                console_printf("%s MPEG-%u%s Layer III (%gx) average %d kbps qval=%i\n",
                               mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)],
                               2 - lame_get_version(gf),
                               lame_get_out_samplerate(gf) < 16000 ? ".5" : "",
                               0.1 * (int) (10. * lame_get_compression_ratio(gf) + 0.5),
                               lame_get_VBR_mean_bitrate_kbps(gf),
                               lame_get_quality(gf));
                break;
            default:
                console_printf("%s MPEG-%u%s Layer III (%gx) %3d kbps qval=%i\n",
                               mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)],
                               2 - lame_get_version(gf),
                               lame_get_out_samplerate(gf) < 16000 ? ".5" : "",
                               0.1 * (int) (10. * lame_get_compression_ratio(gf) + 0.5),
                               lame_get_brate(gf),
                               lame_get_quality(gf));
                break;
            }
        }

        if (global_ui_config.silent <= -10) {
            lame_print_internals(gf);
        }
    }
}