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Diffstat (limited to 'ac3dec/stats.c')
| -rw-r--r-- | ac3dec/stats.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/ac3dec/stats.c b/ac3dec/stats.c new file mode 100644 index 0000000..cfeb453 --- /dev/null +++ b/ac3dec/stats.c @@ -0,0 +1,178 @@ +/* + * stats.c + * + * Copyright (C) Aaron Holtzman - May 1999 + * + * This file is part of ac3dec, a free Dolby AC-3 stream decoder. + * + * ac3dec is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * ac3dec is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Make; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <stdlib.h> +#include <stdio.h> +//#include "config.h" +#include "ac3.h" +#include "ac3_internal.h" + + +#include "decode.h" +#include "stats.h" +#include "debug.h" + + +static const char *service_ids[8] = +{ + "CM","ME","VI","HI", + "D", "C","E", "VO" +}; + +struct mixlev_s +{ + float clev; + char *desc; +}; + +static const struct mixlev_s cmixlev_tbl[4] = +{ + {0.707, "(-3.0 dB)"}, {0.595, "(-4.5 dB)"}, + {0.500, "(-6.0 dB)"}, {1.0, "Invalid"} +}; + +static const struct mixlev_s smixlev_tbl[4] = +{ + {0.707, "(-3.0 dB)"}, {0.500, "(-6.0 dB)"}, + { 0.0, "off "}, { 1.0, "Invalid"} +}; + +static const char *language[128] = +{ + "unknown", "Albanian", "Breton", "Catalan", "Croatian", "Welsh", "Czech", "Danish", + "German", "English", "Spanish", "Esperanto", "Estonian", "Basque", "Faroese", "French", + "Frisian", "Irish", "Gaelic", "Galician", "Icelandic", "Italian", "Lappish", "Latin", + "Latvian", "Luxembourgian", "Lithuanian", "Hungarian", "Maltese", "Dutch", "Norwegian", "Occitan", + "Polish", "Portugese", "Romanian", "Romansh", "Serbian", "Slovak", "Slovene", "Finnish", + "Swedish", "Turkish", "Flemish", "Walloon", "0x2c", "0x2d", "0x2e", "0x2f", + "0x30", "0x31", "0x32", "0x33", "0x34", "0x35", "0x36", "0x37", + "0x38", "0x39", "0x3a", "0x3b", "0x3c", "0x3d", "0x3e", "0x3f", + "background", "0x41", "0x42", "0x43", "0x44", "Zulu", "Vietnamese", "Uzbek", + "Urdu", "Ukrainian", "Thai", "Telugu", "Tatar", "Tamil", "Tadzhik", "Swahili", + "Sranan Tongo", "Somali", "Sinhalese", "Shona", "Serbo-Croat", "Ruthenian", "Russian", "Quechua", + "Pustu", "Punjabi", "Persian", "Papamiento", "Oriya", "Nepali", "Ndebele", "Marathi", + "Moldavian", "Malaysian", "Malagasay", "Macedonian", "Laotian", "Korean", "Khmer", "Kazakh", + "Kannada", "Japanese", "Indonesian", "Hindi", "Hebrew", "Hausa", "Gurani", "Gujurati", + "Greek", "Georgian", "Fulani", "Dari", "Churash", "Chinese", "Burmese", "Bulgarian", + "Bengali", "Belorussian", "Bambora", "Azerbijani", "Assamese", "Armenian", "Arabic", "Amharic" +}; + +void stats_print_banner(syncinfo_t *syncinfo,bsi_t *bsi) +{ + fprintf(stdout,"ac3dec-0.6.2-cvs (C) 2000 Aaron Holtzman (aholtzma@ess.engr.uvic.ca)\n"); + + fprintf(stdout,"%d.%d Mode ",bsi->nfchans,bsi->lfeon); + fprintf(stdout,"%2.1f KHz",syncinfo->sampling_rate * 1e-3); + fprintf(stdout,"%4d kbps ",syncinfo->bit_rate); + if (bsi->langcode && (bsi->langcod < 128)) + fprintf(stdout,"%s ", language[bsi->langcod]); + + switch(bsi->bsmod) + { + case 0: + fprintf(stdout,"Complete Main Audio Service"); + break; + case 1: + fprintf(stdout,"Music and Effects Audio Service"); + case 2: + fprintf(stdout,"Visually Impaired Audio Service"); + break; + case 3: + fprintf(stdout,"Hearing Impaired Audio Service"); + break; + case 4: + fprintf(stdout,"Dialogue Audio Service"); + break; + case 5: + fprintf(stdout,"Commentary Audio Service"); + break; + case 6: + fprintf(stdout,"Emergency Audio Service"); + break; + case 7: + fprintf(stdout,"Voice Over Audio Service"); + break; + } + fprintf(stdout,"\n"); +} + +void stats_print_syncinfo(syncinfo_t *syncinfo) +{ + dprintf("(syncinfo) "); + + switch (syncinfo->fscod) + { + case 2: + dprintf("32 KHz "); + break; + case 1: + dprintf("44.1 KHz "); + break; + case 0: + dprintf("48 KHz "); + break; + default: + dprintf("Invalid sampling rate "); + break; + } + + dprintf("%4d kbps %4d words per frame\n",syncinfo->bit_rate, + syncinfo->frame_size); + +} + +void stats_print_bsi(bsi_t *bsi) +{ + dprintf("(bsi) "); + dprintf("%s",service_ids[bsi->bsmod]); + dprintf(" %d.%d Mode ",bsi->nfchans,bsi->lfeon); + if ((bsi->acmod & 0x1) && (bsi->acmod != 0x1)) + dprintf(" Centre Mix Level %s ",cmixlev_tbl[bsi->cmixlev].desc); + if (bsi->acmod & 0x4) + dprintf(" Sur Mix Level %s ",smixlev_tbl[bsi->cmixlev].desc); + dprintf("\n"); + +} + +char *exp_strat_tbl[4] = {"R ","D15 ","D25 ","D45 "}; + +void stats_print_audblk(bsi_t *bsi,audblk_t *audblk) +{ + uint_32 i; + + dprintf("(audblk) "); + dprintf("%s ",audblk->cplinu ? "cpl on " : "cpl off"); + dprintf("%s ",audblk->baie? "bai " : " "); + dprintf("%s ",audblk->snroffste? "snroffst " : " "); + dprintf("%s ",audblk->deltbaie? "deltba " : " "); + dprintf("%s ",audblk->phsflginu? "phsflg " : " "); + dprintf("(%s %s %s %s %s) ",exp_strat_tbl[audblk->chexpstr[0]], + exp_strat_tbl[audblk->chexpstr[1]],exp_strat_tbl[audblk->chexpstr[2]], + exp_strat_tbl[audblk->chexpstr[3]],exp_strat_tbl[audblk->chexpstr[4]]); + dprintf("["); + for(i=0;i<bsi->nfchans;i++) + dprintf("%1d",audblk->blksw[i]); + dprintf("]"); + + dprintf("\n"); +} |