main.c

wince下著名的视频播放器源码

/* flac - Command-line FLAC encoder/decoder
 * Copyright (C) 2000,2001,2002,2003,2004,2005  Josh Coalson
 *
 * This program 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
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include <ctype.h>
#include <locale.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#if !defined _MSC_VER && !defined __MINGW32__
/* unlink is in stdio.h in VC++ */
#include <unistd.h> /* for unlink() */
#else
#define strcasecmp stricmp
#endif
#include "FLAC/all.h"
#include "share/grabbag.h"
#include "analyze.h"
#include "decode.h"
#include "encode.h"
#include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */
#include "utils.h"
#include "vorbiscomment.h"

#if 0
/*[JEC] was:#if HAVE_GETOPT_LONG*/
/*[JEC] see flac/include/share/getopt.h as to why the change */
#  include <getopt.h>
#else
#  include "share/getopt.h"
#endif

typedef enum { RAW, WAV, AIF } FileFormat;

static int do_it();

static FLAC__bool init_options();
static int parse_options(int argc, char *argv[]);
static int parse_option(int short_option, const char *long_option, const char *option_argument);
static void free_options();

static int usage_error(const char *message, ...);
static void short_usage();
static void show_version();
static void show_help();
static void show_explain();
static void format_mistake(const char *infilename, const char *wrong, const char *right);

static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
static int decode_file(const char *infilename);

static const char *get_encoded_outfilename(const char *infilename);
static const char *get_decoded_outfilename(const char *infilename);
static const char *get_outfilename(const char *infilename, const char *suffix);

static void die(const char *message);
static char *local_strdup(const char *source);


/*
 * share__getopt format struct; note that for long options with no
 * short option equivalent we just set the 'val' field to 0.
 */
static struct share__option long_options_[] = {
	/*
	 * general options
	 */
	{ "help"             , share__no_argument, 0, 'h' },
	{ "explain"          , share__no_argument, 0, 'H' },
	{ "version"          , share__no_argument, 0, 'v' },
	{ "decode"           , share__no_argument, 0, 'd' },
	{ "analyze"          , share__no_argument, 0, 'a' },
	{ "test"             , share__no_argument, 0, 't' },
	{ "stdout"           , share__no_argument, 0, 'c' },
	{ "silent"           , share__no_argument, 0, 's' },
	{ "totally-silent"   , share__no_argument, 0, 0 },
	{ "force"            , share__no_argument, 0, 'f' },
	{ "delete-input-file", share__no_argument, 0, 0 },
	{ "output-prefix"    , share__required_argument, 0, 0 },
	{ "output-name"      , share__required_argument, 0, 'o' },
	{ "skip"             , share__required_argument, 0, 0 },
	{ "until"            , share__required_argument, 0, 0 },

	/*
	 * decoding options
	 */
	{ "decode-through-errors", share__no_argument, 0, 'F' },
	{ "cue"                  , share__required_argument, 0, 0 },
	{ "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */

	/*
	 * encoding options
	 */
	{ "cuesheet"                  , share__required_argument, 0, 0 },
	{ "no-cued-seekpoints"        , share__no_argument, 0, 0 },
	{ "tag"                       , share__required_argument, 0, 'T' },
	{ "compression-level-0"       , share__no_argument, 0, '0' },
	{ "compression-level-1"       , share__no_argument, 0, '1' },
	{ "compression-level-2"       , share__no_argument, 0, '2' },
	{ "compression-level-3"       , share__no_argument, 0, '3' },
	{ "compression-level-4"       , share__no_argument, 0, '4' },
	{ "compression-level-5"       , share__no_argument, 0, '5' },
	{ "compression-level-6"       , share__no_argument, 0, '6' },
	{ "compression-level-7"       , share__no_argument, 0, '7' },
	{ "compression-level-8"       , share__no_argument, 0, '8' },
	{ "compression-level-9"       , share__no_argument, 0, '9' },
	{ "best"                      , share__no_argument, 0, '8' },
	{ "fast"                      , share__no_argument, 0, '0' },
	{ "super-secret-totally-impractical-compression-level", share__no_argument, 0, 0 },
	{ "verify"                    , share__no_argument, 0, 'V' },
	{ "force-aiff-format"         , share__no_argument, 0, 0 },
	{ "force-raw-format"          , share__no_argument, 0, 0 },
	{ "lax"                       , share__no_argument, 0, 0 },
	{ "replay-gain"               , share__no_argument, 0, 0 },
	{ "sector-align"              , share__no_argument, 0, 0 },
	{ "seekpoint"                 , share__required_argument, 0, 'S' },
	{ "padding"                   , share__required_argument, 0, 'P' },
#ifdef FLAC__HAS_OGG
	{ "ogg"                       , share__no_argument, 0, 0 },
	{ "serial-number"             , share__required_argument, 0, 0 },
#endif
	{ "blocksize"                 , share__required_argument, 0, 'b' },
	{ "exhaustive-model-search"   , share__no_argument, 0, 'e' },
	{ "max-lpc-order"             , share__required_argument, 0, 'l' },
	{ "mid-side"                  , share__no_argument, 0, 'm' },
	{ "adaptive-mid-side"         , share__no_argument, 0, 'M' },
	{ "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
	{ "qlp-coeff-precision"       , share__required_argument, 0, 'q' },
	{ "rice-partition-order"      , share__required_argument, 0, 'r' },
	{ "endian"                    , share__required_argument, 0, 0 },
	{ "channels"                  , share__required_argument, 0, 0 },
	{ "bps"                       , share__required_argument, 0, 0 },
	{ "sample-rate"               , share__required_argument, 0, 0 },
	{ "sign"                      , share__required_argument, 0, 0 },
	{ "input-size"                , share__required_argument, 0, 0 },

	/*
	 * analysis options
	 */
	{ "residual-gnuplot", share__no_argument, 0, 0 },
	{ "residual-text", share__no_argument, 0, 0 },

	/*
	 * negatives
	 */
	{ "no-decode-through-errors"  , share__no_argument, 0, 0 },
	{ "no-silent"                 , share__no_argument, 0, 0 },
	{ "no-force"                  , share__no_argument, 0, 0 },
	{ "no-seektable"              , share__no_argument, 0, 0 },
	{ "no-delete-input-file"      , share__no_argument, 0, 0 },
	{ "no-replay-gain"            , share__no_argument, 0, 0 },
	{ "no-sector-align"           , share__no_argument, 0, 0 },
	{ "no-lax"                    , share__no_argument, 0, 0 },
#ifdef FLAC__HAS_OGG
	{ "no-ogg"                    , share__no_argument, 0, 0 },
#endif
	{ "no-exhaustive-model-search", share__no_argument, 0, 0 },
	{ "no-mid-side"               , share__no_argument, 0, 0 },
	{ "no-adaptive-mid-side"      , share__no_argument, 0, 0 },
	{ "no-qlp-coeff-prec-search"  , share__no_argument, 0, 0 },
	{ "no-padding"                , share__no_argument, 0, 0 },
	{ "no-verify"                 , share__no_argument, 0, 0 },
	{ "no-residual-gnuplot"       , share__no_argument, 0, 0 },
	{ "no-residual-text"          , share__no_argument, 0, 0 },
	/*
	 * undocumented debugging options for the test suite
	 */
	{ "disable-constant-subframes", share__no_argument, 0, 0 },
	{ "disable-fixed-subframes"   , share__no_argument, 0, 0 },
	{ "disable-verbatim-subframes", share__no_argument, 0, 0 },

	{0, 0, 0, 0}
};


/*
 * global to hold command-line option values
 */

static struct {
	FLAC__bool show_help;
	FLAC__bool show_explain;
	FLAC__bool show_version;
	FLAC__bool mode_decode;
	FLAC__bool verify;
	FLAC__bool force_file_overwrite;
	FLAC__bool continue_through_decode_errors;
	replaygain_synthesis_spec_t replaygain_synthesis_spec;
	FLAC__bool lax;
	FLAC__bool test_only;
	FLAC__bool analyze;
	FLAC__bool use_ogg;
	FLAC__bool has_serial_number; /* true iff --serial-number was used */
	long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
	FLAC__bool do_mid_side;
	FLAC__bool loose_mid_side;
	FLAC__bool do_exhaustive_model_search;
	FLAC__bool do_escape_coding;
	FLAC__bool do_qlp_coeff_prec_search;
	FLAC__bool force_to_stdout;
	FLAC__bool force_aiff_format;
	FLAC__bool force_raw_format;
	FLAC__bool delete_input;
	FLAC__bool replay_gain;
	FLAC__bool sector_align;
	const char *cmdline_forced_outfilename;
	const char *output_prefix;
	analysis_options aopts;
	int padding;
	unsigned max_lpc_order;
	unsigned qlp_coeff_precision;
	const char *skip_specification;
	const char *until_specification;
	const char *cue_specification;
	int format_is_big_endian;
	int format_is_unsigned_samples;
	int format_channels;
	int format_bps;
	int format_sample_rate;
	long format_input_size;
	int blocksize;
	int min_residual_partition_order;
	int max_residual_partition_order;
	int rice_parameter_search_dist;
	char requested_seek_points[50000]; /* bad MAGIC NUMBER but buffer overflow is checked */
	int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
	const char *cuesheet_filename;
	FLAC__bool cued_seekpoints;

	unsigned num_files;
	char **filenames;

	FLAC__StreamMetadata *vorbis_comment;

	struct {
		FLAC__bool disable_constant_subframes;
		FLAC__bool disable_fixed_subframes;
		FLAC__bool disable_verbatim_subframes;
	} debug;
} option_values;


/*
 * miscellaneous globals
 */

static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
static unsigned align_reservoir_samples = 0; /* 0 .. 587 */


int main(int argc, char *argv[])
{
	int retval = 0;

	setlocale(LC_ALL, "");
	if(!init_options()) {
		flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
		retval = 1;
	}
	else {
		if((retval = parse_options(argc, argv)) == 0)
			retval = do_it();
	}

	free_options();

	return retval;
}

int do_it()
{
	int retval = 0;

	if(option_values.show_version) {