main.c

wince下著名的视频播放器源码

	printf("      --cuesheet=FILENAME      Import cuesheet and store in CUESHEET block\n");
	printf("  -T, --tag=FIELD=VALUE        Add a Vorbis comment; may appear multiple times\n");
	printf("  -S, --seekpoint={#|X|#x|#s}  Add seek point(s)\n");
	printf("  -P, --padding=#              Write a PADDING block of length #\n");
	printf("  -0, --compression-level-0, --fast  Synonymous with -l 0 -b 1152 -r 2,2\n");
	printf("  -1, --compression-level-1          Synonymous with -l 0 -b 1152 -M -r 2,2\n");
	printf("  -2, --compression-level-2          Synonymous with -l 0 -b 1152 -m -r 3\n");
	printf("  -3, --compression-level-3          Synonymous with -l 6 -b 4608 -r 3,3\n");
	printf("  -4, --compression-level-4          Synonymous with -l 8 -b 4608 -M -r 3,3\n");
	printf("  -5, --compression-level-5          Synonymous with -l 8 -b 4608 -m -r 3,3\n");
	printf("  -6, --compression-level-6          Synonymous with -l 8 -b 4608 -m -r 4\n");
	printf("  -7, --compression-level-7          Synonymous with -l 8 -b 4608 -m -e -r 6\n");
	printf("  -8, --compression-level-8, --best  Synonymous with -l 12 -b 4608 -m -e -r 6\n");
	printf("  -b, --blocksize=#                  Specify blocksize in samples\n");
	printf("  -m, --mid-side                     Try mid-side coding for each frame\n");
	printf("  -M, --adaptive-mid-side            Adaptive mid-side coding for all frames\n");
	printf("  -e, --exhaustive-model-search      Do exhaustive model search (expensive!)\n");
	printf("  -l, --max-lpc-order=#              Max LPC order; 0 => only fixed predictors\n");
	printf("  -p, --qlp-coeff-precision-search   Exhaustively search LP coeff quantization\n");
	printf("  -q, --qlp-coeff-precision=#        Specify precision in bits\n");
	printf("  -r, --rice-partition-order=[#,]#   Set [min,]max residual partition order\n");
	printf("format options:\n");
	printf("      --endian={big|little}    Set byte order for samples\n");
	printf("      --channels=#             Number of channels\n");
	printf("      --bps=#                  Number of bits per sample\n");
	printf("      --sample-rate=#          Sample rate in Hz\n");
	printf("      --sign={signed|unsigned} Sign of samples\n");
	printf("      --input-size=#           Size of the raw input in bytes\n");
	printf("      --force-aiff-format      Force decoding to AIFF format\n");
	printf("      --force-raw-format       Treat input or output as raw samples\n");
	printf("negative options:\n");
	printf("      --no-adaptive-mid-side\n");
	printf("      --no-decode-through-errors\n");
	printf("      --no-delete-input-file\n");
	printf("      --no-exhaustive-model-search\n");
	printf("      --no-lax\n");
	printf("      --no-mid-side\n");
#ifdef FLAC__HAS_OGG
	printf("      --no-ogg\n");
#endif
	printf("      --no-padding\n");
	printf("      --no-qlp-coeff-prec-search\n");
	printf("      --no-replay-gain\n");
	printf("      --no-residual-gnuplot\n");
	printf("      --no-residual-text\n");
	printf("      --no-sector-align\n");
	printf("      --no-seektable\n");
	printf("      --no-silent\n");
	printf("      --no-force\n");
	printf("      --no-verify\n");
}

void show_explain()
{
	usage_header();
	usage_summary();
	printf("For encoding:\n");
	printf("  The input file(s) may be a PCM RIFF WAVE file, AIFF file, or raw samples.\n");
	printf("  The output file(s) will be in native FLAC or Ogg FLAC format\n");
	printf("For decoding, the reverse is true.\n");
	printf("\n");
	printf("A single INPUTFILE may be - for stdin.  No INPUTFILE implies stdin.  Use of\n");
	printf("stdin implies -c (write to stdout).  Normally you should use:\n");
	printf("   flac [options] -o outfilename  or  flac -d [options] -o outfilename\n");
	printf("instead of:\n");
	printf("   flac [options] > outfilename   or  flac -d [options] > outfilename\n");
	printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
	printf("WAVE/AIFF header contents when necessary.\n");
	printf("\n");
	printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
	printf("treat an input file as AIFF/WAVE format or raw samples.  If any input file is\n");
	printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
	printf("apply to all raw files.  You can force AIFF/WAVE files to be treated as raw\n");
	printf("files using -fr.\n");
	printf("\n");
	printf("general options:\n");
	printf("  -v, --version                Show the flac version number\n");
	printf("  -h, --help                   Show basic usage a list of all options\n");
	printf("  -H, --explain                Show this screen\n");
	printf("  -d, --decode                 Decode (the default behavior is to encode)\n");
	printf("  -t, --test                   Same as -d except no decoded file is written\n");
	printf("  -a, --analyze                Same as -d except an analysis file is written\n");
	printf("  -c, --stdout                 Write output to stdout\n");
	printf("  -s, --silent                 Do not write runtime encode/decode statistics\n");
	printf("      --totally-silent         Do not print anything of any kind, including\n");
	printf("                               warnings or errors.  The exit code will be the\n");
	printf("                               only way to determine successful completion.\n");
	printf("  -f, --force                  Force overwriting of output files\n");
	printf("  -o, --output-name=FILENAME   Force the output file name; usually flac just\n");
	printf("                               changes the extension.  May only be used when\n");
	printf("                               encoding a single file.  May not be used in\n");
	printf("                               conjunction with --output-prefix.\n");
	printf("      --output-prefix=STRING   Prefix each output file name with the given\n");
	printf("                               STRING.  This can be useful for encoding or\n");
	printf("                               decoding files to a different directory.  Make\n");
	printf("                               sure if your STRING is a path name that it ends\n");
	printf("                               with a '/' slash.\n");
	printf("      --delete-input-file      Automatically delete the input file after a\n");
	printf("                               successful encode or decode.  If there was an\n");
	printf("                               error (including a verify error) the input file\n");
	printf("                               is left intact.\n");
	printf("      --skip={#|mm:ss.ss}      Skip the first # samples of each input file; can\n");
	printf("                               be used both for encoding and decoding.  The\n");
	printf("                               alternative form mm:ss.ss can be used to specify\n");
	printf("                               minutes, seconds, and fractions of a second.\n");
	printf("      --until={#|[+|-]mm:ss.ss}  Stop at the given sample number for each input\n");
	printf("                               file.  The given sample number is not included\n");
	printf("                               in the decoded output.  The alternative form\n");
	printf("                               mm:ss.ss can be used to specify minutes,\n");
	printf("                               seconds, and fractions of a second.  If a `+'\n");
	printf("                               sign is at the beginning, the --until point is\n");
	printf("                               relative to the --skip point.  If a `-' sign is\n");
	printf("                               at the beginning, the --until point is relative\n");
	printf("                               to end of the audio.\n");
#ifdef FLAC__HAS_OGG
	printf("      --ogg                    When encoding, generate Ogg FLAC output instead\n");
	printf("                               of native FLAC.  Ogg FLAC streams are FLAC\n");
	printf("                               streams wrapped in an Ogg transport layer.  The\n");
	printf("                               resulting file should have an '.ogg' extension\n");
	printf("                               and will still be decodable by flac.  When\n");
	printf("                               decoding, force the input to be treated as\n");
	printf("                               Ogg FLAC.  This is useful when piping input\n");
	printf("                               from stdin or when the filename does not end in\n");
	printf("                               '.ogg'.\n");
	printf("      --serial-number          Serial number to use for the FLAC stream.  When\n");
	printf("                               encoding and no serial number is given, flac\n");
	printf("                               uses '0'.  When decoding and no number is\n");
	printf("                               given, flac uses the serial number of the first\n");
	printf("                               page.\n");
#endif
	printf("analysis options:\n");
	printf("      --residual-text          Include residual signal in text output.  This\n");
	printf("                               will make the file very big, much larger than\n");
	printf("                               even the decoded file.\n");
	printf("      --residual-gnuplot       Generate gnuplot files of residual distribution\n");
	printf("                               of each subframe\n");
	printf("decoding options:\n");
	printf("  -F, --decode-through-errors  By default flac stops decoding with an error\n");
	printf("                               and removes the partially decoded file if it\n");
	printf("                               encounters a bitstream error.  With -F, errors\n");
	printf("                               are still printed but flac will continue\n");
	printf("                               decoding to completion.  Note that errors may\n");
	printf("                               cause the decoded audio to be missing some\n");
	printf("                               samples or have silent sections.\n");
	printf("      --cue=[#.#][-[#.#]]      Set the beginning and ending cuepoints to\n");
	printf("                               decode.  The optional first #.# is the track and\n");
	printf("                               index point at which decoding will start; the\n");
	printf("                               default is the beginning of the stream.  The\n");
	printf("                               optional second #.# is the track and index point\n");
	printf("                               at which decoding will end; the default is the\n");
	printf("                               end of the stream.  If the cuepoint does not\n");
	printf("                               exist, the closest one before it (for the start\n");
	printf("                               point) or after it (for the end point) will be\n");
	printf("                               used.  The cuepoints are merely translated into\n");
	printf("                               sample numbers then used as --skip and --until.\n");
	printf("encoding options:\n");
	printf("  -V, --verify                 Verify a correct encoding by decoding the\n");
	printf("                               output in parallel and comparing to the\n");
	printf("                               original\n");
	printf("      --lax                    Allow encoder to generate non-Subset files\n");
	printf("      --sector-align           Align encoding of multiple CD format WAVE files\n");
	printf("                               on sector boundaries.\n");
	printf("      --replay-gain            Calculate ReplayGain values and store in Vorbis\n");
	printf("                               comments.  Title gains/peaks will be computed\n");
	printf("                               for each file, and an album gain/peak will be\n");
	printf("                               computed for all files.  All input files must\n");
	printf("                               have the same resolution, sample rate, and\n");
	printf("                               number of channels.  The sample rate must be\n");
	printf("                               one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
	printf("                               or 48 kHz.  NOTE: this option may also leave a\n");
	printf("                               few extra bytes in the PADDING block.\n");
	printf("      --cuesheet=FILENAME      Import the given cuesheet file and store it in\n");
	printf("                               a CUESHEET metadata block.  This option may only\n");
	printf("                               be used when encoding a single file.  A\n");
	printf("                               seekpoint will be added for each index point in\n");
	printf("                               the cuesheet to the SEEKTABLE unless\n");
	printf("                               --no-cued-seekpoints is specified.\n");
	printf("  -T, --tag=FIELD=VALUE        Add a Vorbis comment.  Make sure to quote the\n");
	printf("                               comment if necessary.  This option may appear\n");
	printf("                               more than once to add several comments.  NOTE:\n");
	printf("                               all tags will be added to all encoded files.\n");
	printf("  -S, --seekpoint={#|X|#x|#s}  Include a point or points in a SEEKTABLE\n");
	printf("       #  : a specific sample number for a seek point\n");
	printf("       X  : a placeholder point (always goes at the end of the SEEKTABLE)\n");
	printf("       #x : # evenly spaced seekpoints, the first being at sample 0\n");
	printf("       #s : a seekpoint every # seconds; # does not have to be a whole number\n");
	printf("     You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
	printf("           ified union of all such values.\n");
	printf("     With no -S options, flac defaults to '-S 10s'.  Use -S- for no SEEKTABLE.\n");
	printf("     Note: -S #x and -S #s will not work if the encoder can't determine the\n");
	printf("           input size before starting.\n");
	printf("     Note: if you use -S # and # is >= samples in the input, there will be\n");
	printf("           either no seek point entered (if the input size is determinable\n");
	printf("           before encoding starts) or a placeholder point (if input size is not\n");
	printf("           determinable)\n");
	printf("  -P, --padding=#              Tell the encoder to write a PADDING metadata\n");
	printf("                               block of the given length (in bytes) after the\n");
	printf("                               STREAMINFO block.  This is useful if you plan\n");
	printf("                               to tag the file later with an APPLICATION\n");
	printf("                               block; instead of having to rewrite the entire\n");
	printf("                               file later just to insert your block, you can\n");
	printf("                               write directly over the PADDING block.  Note\n");
	printf("                               that the total length of the PADDING block will\n");
	printf("                               be 4 bytes longer than the length given because\n");
	printf("                               of the 4 metadata block header bytes.  You can\n");
	printf("                               force no PADDING block at all to be written with\n");
	printf("                               --no-padding.  The encoder writes a PADDING\n");
	printf("                               block of 4096 bytes by default.\n");
	printf("  -b, --blocksize=#            Specify the blocksize in samples; the default is\n");
	printf("                               1152 for -l 0, else 4608; must be one of 192,\n");
	printf("                               576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
	printf("                               4096, 8192, 16384, or 32768 (unless --lax is\n");
	printf("                               used)\n");
	printf("  -0, --compression-level-0, --fast  Synonymous with -l 0 -b 1152 -r 2,2\n");
	printf("  -1, --compression-level-1          Synonymous with -l 0 -b 1152 -M -r 2,2\n");
	printf("  -2, --compression-level-2          Synonymous with -l 0 -b 1152 -m -r 3\n");
	printf("  -3, --compression-level-3          Synonymous with -l 6 -b 4608 -r 3,3\n");
	printf("  -4, --compression-level-4          Synonymous with -l 8 -b 4608 -M -r 3,3\n");
	printf("  -5, --compression-level-5          Synonymous with -l 8 -b 4608 -m -r 3,3\n");
	printf("                                     -5 is the default setting\n");
	printf("  -6, --compression-level-6          Synonymous with -l 8 -b 4608 -m -r 4\n");
	printf("  -7, --compression-level-7          Synonymous with -l 8 -b 4608 -m -e -r 6\n");
	printf("  -8, --compression-level-8, --best  Synonymous with -l 12 -b 4608 -m -e -r 6\n");
	printf("  -m, --mid-side                     Try mid-side coding for each frame\n");
	printf("                                     (stereo only)\n");
	printf("  -M, --adaptive-mid-side            Adaptive mid-side coding for all frames\n");
	printf("                                     (stereo only)\n");
	printf("  -e, --exhaustive-model-search      Do exhaustive model search (expensive!)\n");
	printf("  -l, --max-lpc-order=#              Max LPC order; 0 => only fixed predictors\n");
	printf("  -p, --qlp-coeff-precision-search   Do exhaustive search of LP coefficient\n");
	printf("                                     quantization (expensive!); overrides -q;\n");
	printf("                                     does nothing if using -l 0\n");
	printf("  -q, --qlp-coeff-precision=#        Specify precision in bits of quantized\n");
	printf("                                     linear-predictor coefficients; 0 => let\n");
	printf("                                     encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
	printf("                                     default is -q 0)\n");
	printf("  -r, --rice-partition-order=[#,]#   Set [min,]max residual partition order\n");
	printf("                                     (# is 0..16; min defaults to 0; the\n");
	printf("                                     default is -r 0; above 4 doesn't usually\n");
	printf("                                     help much)\n");
	printf("format options:\n");
	printf("      --endian={big|little}    Set byte order for samples\n");
	printf("      --channels=#             Number of channels\n");
	printf("      --bps=#                  Number of bits per sample\n");
	printf("      --sample-rate=#          Sample rate in Hz\n");
	printf("      --sign={signed|unsigned} Sign of samples (the default is signed)\n");
	printf("      --input-size=#           Size of the raw input in bytes.  If you are\n");
	printf("                               encoding raw samples from stdin, you must set\n");
	printf("                               this option in order to be able to use --skip,\n");
	printf("                               --until, --cue-sheet, or other options that need\n");
	printf("                               to know the size of the input beforehand.  If\n");
	printf("                               the size given is greater than what is found in\n");
	printf("                               the input stream, the encoder will complain\n");
	printf("                               about an unexpected end-of-file.  If the size\n");
	printf("                               given is less, samples will be truncated.\n");
	printf("      --force-aiff-format      Force the decoder to output AIFF format.  This\n");
	printf("                               option is not needed if the output filename (as\n");
	printf("                               set by -o) ends with .aif or .aiff; this option\n");
	printf("                               has no effect when encoding since input AIFF is\n");
	printf("                               auto-detected.\n");
	printf("      --force-raw-format       Force input (when encoding) or output (when\n");
	printf("                               decoding) to be treated as raw samples\n");
	printf("negative options:\n");
	printf("      --no-adaptive-mid-side\n");
	printf("      --no-decode-through-errors\n");
	printf("      --no-delete-input-file\n");
	printf("      --no-exhaustive-model-search\n");
	printf("      --no-lax\n");
	printf("      --no-mid-side\n");
#ifdef FLAC__HAS_OGG
	printf("      --no-ogg\n");
#endif
	printf("      --no-padding\n");
	printf("      --no-qlp-coeff-prec-search\n");
	printf("      --no-residual-gnuplot\n");
	printf("      --no-residual-text\n");
	printf("      --no-sector-align\n");
	printf("      --no-seektable\n");
	printf("      --no-silent\n");
	printf("      --no-force\n");
	printf("      --no-verify\n");
}

void format_mistake(const char *infilename, const char *wrong, const char *right)
{
	flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
}

int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
{
	FILE *encode_infile;
	FLAC__byte lookahead[12];
	unsigned lookahead_l