shithub: sox

ref: 012443916146c670f7f9a521c89a45d8b7ab0c7a
dir: /src/handlers.c/

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/*
 * Originally created: July 5, 1991
 * Copyright 1991 Lance Norskog And Sundry Contributors
 * This source code is freely redistributable and may be used for
 * any purpose.  This copyright notice must be maintained.
 * Lance Norskog And Sundry Contributors are not responsible for
 * the consequences of using this software.
 */

#include "st_i.h"
#include "btrworth.h"

/*
 * Sound Tools file format and effect tables.
 */

/* File format handlers. */

/* SGI/Apple AIFF */
static char *aiffnames[] = {
        "aiff",
        "aif",
        (char *) 0
};

/* a-law byte raw */
static char *alnames[] = {
        "al",
        (char *) 0
};

#if     defined(HAVE_ALSA)
/* /dev/snd/pcmXX */
static char *alsanames[] = {
        "alsa",
        (char *) 0
};
#endif

/* SPARC .au w/header */
static char *aunames[] = {
        "au",
        "snd",
        (char *) 0
};

static char *autonames[] = {
        "auto",
        (char *) 0
};

static char *avrnames[] = {
        "avr",
        (char *) 0
};

static char *cdrnames[] = {
        "cdr",
        (char *) 0
};

/* Cont. Variable Slope Delta */
static char *cvsdnames[] = {
        "cvs",
        "cvsd",
        (char *)0
};

/* Text data samples */
static char *datnames[] = {
        "dat",
        (char *) 0
};

/* Cont. Variable Solot Delta */
static char *dvmsnames[] = {
        "vms",
        "dvms",
        (char *)0
};

#ifdef ENABLE_GSM
/* GSM 06.10 */
static char *gsmnames[] = {
        "gsm",
        (char *) 0
};
#endif

/* Mac FSSD/HCOM */
static char *hcomnames[] = {
        "hcom",
        (char *) 0
};

/* inverse a-law byte raw */
static char *lanames[] = {
        "la",
        (char *) 0
};

/* inverse u-law byte raw */
static char *lunames[] = {
        "lu",
        (char *) 0
};

/* Amiga MAUD */
static char *maudnames[] = {
        "maud",
        (char *) 0,
};

#if defined(HAVE_LIBMAD) || defined(HAVE_LAME)
/* MP3 */
static char *mp3names[] = {
        "mp3",
        "mp2",
        (char *) 0,
};
#endif

static char *nulnames[] = {
        "nul",
        (char *) 0,
};

#if     defined(HAVE_OSS)
/* OSS /dev/dsp player */
static char *ossdspnames[] = {
        "ossdsp",
        (char *) 0
};
#endif

/* Psion .prc */
static char *prcnames[] = {
      "prc",
      (char *) 0
};

static char *rawnames[] = {
        "raw",
        (char *) 0
};

/* raw prototypes are defined in st.h since they are used globally. */

static char *sbnames[] = {
        "sb",
        (char *) 0
};

/* IRCAM Sound File */
static char *sfnames[] = {
        "sf",
        (char *) 0
};

static char *slnames[] = {
        "sl",
        (char *) 0,
};

/* SampleVision sound */
static char *smpnames[] = {
        "smp",
        (char *) 0,
};

/* Sndtool Sound File */
static char *sndtnames[] = {
        "sndt",
        (char *) 0
};

/* NIST Sphere File */
static char *spherenames[] = {
        "sph",
        (char *) 0
};

#if     defined(HAVE_SUNAUDIO)
/* Sun /dev/audio player */
static char *sunnames[] = {
        "sunau",
        (char *) 0
};
#endif

/* Amiga 8SVX */
static char *svxnames[] = {
        "8svx",
        (char *) 0
};

static char *swnames[] = {
        "sw",
        (char *) 0
};

/* Yamaha TX16W and SY99 waves */
static char *txwnames[] = {
    "txw",
    (char *)0
};

static char *ubnames[] = {
        "ub",
        "sou",
        "fssd",
        (char *) 0
};

static char *ulnames[] = {
        "ul",
        (char *) 0
};

static char *uwnames[] = {
        "uw",
        (char *) 0
};

/* Sound Blaster .VOC */
static char *vocnames[] = {
        "voc",
        (char *) 0
};

#ifdef HAVE_LIBVORBIS
/* Ogg Vorbis */
static char *vorbisnames[] = {
        "vorbis",
        "ogg",
        (char *) 0
};
#endif

static char *voxnames[] = {
        "vox",
        (char *) 0
};

/* Microsoftt RIFF */
static char *wavnames[] = {
        "wav",
        (char *) 0
};

/* Psion .wve */
static char *wvenames[] = {
      "wve",
      (char *) 0
};

st_format_t st_formats[] = {
    {aiffnames,
        ST_FILE_STEREO | ST_FILE_LOOPS | ST_FILE_SEEK,
        st_aiffstartread, st_aiffread, st_aiffstopread,
        st_aiffstartwrite, st_aiffwrite, st_aiffstopwrite, st_aiffseek},
    {alnames, ST_FILE_STEREO,
        st_alstartread, st_rawread, st_rawstopread,
        st_alstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
#ifdef HAVE_ALSA
    {alsanames, ST_FILE_STEREO | ST_FILE_NOSTDIO,
        st_alsastartread, st_alsaread, st_alsastopread,
        st_alsastartwrite, st_alsawrite, st_alsastopwrite,
        st_format_nothing_seek},
#endif
    {aunames, ST_FILE_STEREO | ST_FILE_SEEK,
        st_austartread, st_auread, st_rawstopread,
        st_austartwrite, st_auwrite, st_austopwrite,
        st_auseek},
    {autonames, ST_FILE_STEREO,
        st_autostartread, st_format_nothing_io, st_format_nothing,
        st_autostartwrite, st_format_nothing_io, st_format_nothing,
        st_format_nothing_seek},
    {avrnames, ST_FILE_STEREO,
        st_avrstartread, st_rawread, st_format_nothing,
        st_avrstartwrite, st_avrwrite, st_avrstopwrite,
        st_format_nothing_seek},
    {cdrnames, ST_FILE_STEREO | ST_FILE_SEEK,
        st_cdrstartread, st_cdrread, st_cdrstopread,
        st_cdrstartwrite, st_cdrwrite, st_cdrstopwrite,
        st_rawseek},
    {cvsdnames, 0,
        st_cvsdstartread, st_cvsdread, st_cvsdstopread,
        st_cvsdstartwrite, st_cvsdwrite, st_cvsdstopwrite,
        st_format_nothing_seek},
    {datnames, 0,
        st_datstartread, st_datread, st_format_nothing,
        st_datstartwrite, st_datwrite, st_format_nothing,
        st_format_nothing_seek},
    {dvmsnames, 0,
        st_dvmsstartread, st_cvsdread, st_cvsdstopread,
        st_dvmsstartwrite, st_cvsdwrite, st_dvmsstopwrite, st_format_nothing_seek},
#ifdef ENABLE_GSM
    {gsmnames, 0,
        st_gsmstartread, st_gsmread, st_gsmstopread,
        st_gsmstartwrite, st_gsmwrite, st_gsmstopwrite, st_format_nothing_seek},
#endif
    {hcomnames, 0,
        st_hcomstartread, st_hcomread, st_hcomstopread,
        st_hcomstartwrite, st_hcomwrite, st_hcomstopwrite, st_format_nothing_seek},
    {lanames, ST_FILE_STEREO,
        st_lastartread, st_rawread, st_rawstopread,
        st_lastartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {lunames, ST_FILE_STEREO,
        st_lustartread, st_rawread, st_rawstopread,
        st_lustartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {maudnames, ST_FILE_STEREO,
        st_maudstartread, st_maudread, st_maudstopread,
        st_maudstartwrite, st_maudwrite, st_maudstopwrite, st_format_nothing_seek},
#if defined(HAVE_LIBMAD) || defined(HAVE_LAME)
    {mp3names, ST_FILE_STEREO,
        st_mp3startread, st_mp3read, st_mp3stopread,
        st_mp3startwrite, st_mp3write, st_mp3stopwrite, st_format_nothing_seek},
#endif
    {nulnames, ST_FILE_STEREO | ST_FILE_NOSTDIO,
        st_nulstartread, st_nulread, st_nulstopread,
        st_nulstartwrite, st_nulwrite, st_nulstopwrite, st_format_nothing_seek},
#ifdef HAVE_OSS
    {ossdspnames, ST_FILE_STEREO,
        st_ossdspstartread, st_rawread, st_rawstopread,
        st_ossdspstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
#endif
    {prcnames, ST_FILE_SEEK,
        st_prcstartread, st_prcread, st_rawstopread,
        st_prcstartwrite, st_prcwrite, st_prcstopwrite, st_prcseek},
    {rawnames, ST_FILE_STEREO | ST_FILE_SEEK,
        st_rawstartread, st_rawread, st_rawstopread,
        st_rawstartwrite, st_rawwrite, st_rawstopwrite, st_rawseek},
    {sbnames, ST_FILE_STEREO,
        st_sbstartread, st_rawread, st_rawstopread,
        st_sbstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {sfnames, ST_FILE_STEREO | ST_FILE_SEEK,
        st_sfstartread, st_rawread, st_rawstopread,
        st_sfstartwrite, st_rawwrite, st_rawstopwrite, st_sfseek},
    { slnames, ST_FILE_STEREO,
        st_slstartread, st_rawread, st_rawstopread,
        st_slstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {smpnames, ST_FILE_STEREO | ST_FILE_LOOPS | ST_FILE_SEEK,
        st_smpstartread, st_smpread, st_smpstopread,
        st_smpstartwrite, st_smpwrite, st_smpstopwrite, st_smpseek},
    {sndtnames, ST_FILE_STEREO | ST_FILE_SEEK,
        st_sndtstartread, st_rawread, st_rawstopread,
        st_sndtstartwrite, st_sndtwrite, st_sndtstopwrite, st_sndseek},
    {spherenames, ST_FILE_STEREO,
        st_spherestartread, st_sphereread, st_rawstopread,
        st_spherestartwrite, st_spherewrite, st_spherestopwrite,
        st_format_nothing_seek},
#ifdef HAVE_SUNAUDIO
    {sunnames, ST_FILE_STEREO,
        st_sunstartread, st_rawread, st_rawstopread,
        st_sunstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
#endif
    {svxnames, ST_FILE_STEREO,
        st_svxstartread, st_svxread, st_svxstopread,
        st_svxstartwrite, st_svxwrite, st_svxstopwrite, st_format_nothing_seek},
    {swnames, ST_FILE_STEREO,
        st_swstartread, st_rawread, st_rawstopread,
        st_swstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {txwnames, 0,
        st_txwstartread, st_txwread, st_txwstopread,
        st_txwstartwrite, st_txwwrite, st_txwstopwrite, st_format_nothing_seek},
    {ubnames, ST_FILE_STEREO,
        st_ubstartread, st_rawread, st_rawstopread,
        st_ubstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {ulnames, ST_FILE_STEREO,
        st_ulstartread, st_rawread, st_rawstopread,
        st_ulstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {uwnames, ST_FILE_STEREO,
        st_uwstartread, st_rawread, st_rawstopread,
        st_uwstartwrite, st_rawwrite, st_rawstopwrite, st_format_nothing_seek},
    {vocnames, ST_FILE_STEREO,
        st_vocstartread, st_vocread, st_vocstopread,
        st_vocstartwrite, st_vocwrite, st_vocstopwrite, st_format_nothing_seek},
#ifdef HAVE_LIBVORBIS
    {vorbisnames, ST_FILE_STEREO,
        st_vorbisstartread, st_vorbisread, st_vorbisstopread,
        st_vorbisstartwrite, st_vorbiswrite, st_vorbisstopwrite,
        st_format_nothing_seek},
#endif
    {voxnames, 0,
        st_voxstartread, st_voxread, st_voxstopread,
        st_voxstartwrite, st_voxwrite, st_voxstopwrite,
        st_format_nothing_seek},
    {wavnames, ST_FILE_STEREO | ST_FILE_SEEK,
        st_wavstartread, st_wavread, st_wavstopread,
        st_wavstartwrite, st_wavwrite, st_wavstopwrite, st_wavseek},
    {wvenames, ST_FILE_SEEK,
        st_wvestartread, st_wveread, st_rawstopread,
        st_wvestartwrite, st_wvewrite, st_wvestopwrite, st_wveseek},
    {0, 0,
        0, 0, 0, 0, 0, 0, 0}
};

/* Effects handlers. */

/*
 * ST_EFF_CHAN means that the number of channels can change.
 * ST_EFF_RATE means that the sample rate can change.
 * ST_EFF_MCHAN means that the effect is coded for multiple channels.
 *
 */

st_effect_t st_effects[] = {
        {"avg", ST_EFF_MCHAN | ST_EFF_CHAN,
                st_avg_getopts, st_avg_start, st_avg_flow,
                st_effect_nothing_drain, st_avg_stop},
        {"band", 0,
                st_band_getopts, st_band_start, st_band_flow,
                st_effect_nothing_drain, st_band_stop},
        {"bandpass", 0,
                st_bandpass_getopts, st_bandpass_start, st_butterworth_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"bandreject", 0,
                st_bandreject_getopts, st_bandreject_start, st_butterworth_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"chorus", 0,
                st_chorus_getopts, st_chorus_start, st_chorus_flow,
                st_chorus_drain, st_chorus_stop},
        {"compand", ST_EFF_MCHAN,
                st_compand_getopts, st_compand_start, st_compand_flow,
                st_compand_drain, st_compand_stop},
        {"copy", ST_EFF_MCHAN,
                st_copy_getopts, st_copy_start, st_copy_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"dcshift", ST_EFF_MCHAN,
                st_dcshift_getopts, st_dcshift_start, st_dcshift_flow,
                st_effect_nothing_drain, st_dcshift_stop},
        {"deemph", ST_EFF_MCHAN,
                st_deemph_getopts, st_deemph_start, st_deemph_flow,
                st_effect_nothing_drain, st_deemph_stop},
        {"earwax", ST_EFF_MCHAN,
                st_earwax_getopts, st_earwax_start, st_earwax_flow,
                st_earwax_drain, st_earwax_stop},
        {"echo", 0,
                st_echo_getopts, st_echo_start, st_echo_flow,
                st_echo_drain, st_echo_stop},
        {"echos", 0,
                st_echos_getopts, st_echos_start, st_echos_flow,
                st_echos_drain, st_echos_stop},
        {"fade", ST_EFF_MCHAN,
                st_fade_getopts, st_fade_start, st_fade_flow,
                st_fade_drain, st_fade_stop},
        { "filter", 0,
                st_filter_getopts, st_filter_start, st_filter_flow,
                st_filter_drain, st_filter_stop},
        {"flanger", 0,
                st_flanger_getopts, st_flanger_start, st_flanger_flow,
                st_flanger_drain, st_flanger_stop},
        {"highp", 0,
                st_highp_getopts, st_highp_start, st_highp_flow,
                st_effect_nothing_drain, st_highp_stop},
        {"highpass", 0,
                st_highpass_getopts, st_highpass_start, st_butterworth_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"lowp", 0,
                st_lowp_getopts, st_lowp_start, st_lowp_flow,
                st_effect_nothing_drain, st_lowp_stop},
        {"lowpass", 0,
                st_lowpass_getopts, st_lowpass_start, st_butterworth_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"mask", ST_EFF_MCHAN,
                st_mask_getopts, st_effect_nothing, st_mask_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"mcompand", ST_EFF_MCHAN,
                st_mcompand_getopts, st_mcompand_start, st_mcompand_flow,
                st_mcompand_drain, st_mcompand_stop},
        {"noiseprof", ST_EFF_MCHAN | ST_EFF_REPORT,
                st_noiseprof_getopts, st_noiseprof_start, st_noiseprof_flow,
                st_noiseprof_drain, st_noiseprof_stop},
        {"noisered", ST_EFF_MCHAN,
                st_noisered_getopts, st_noisered_start, st_noisered_flow,
                st_noisered_drain, st_noisered_stop},
        {"pan", ST_EFF_MCHAN | ST_EFF_CHAN,
                st_pan_getopts, st_pan_start, st_pan_flow,
                st_effect_nothing_drain, st_pan_stop},
        {"phaser", 0,
                st_phaser_getopts, st_phaser_start, st_phaser_flow,
                st_phaser_drain, st_phaser_stop},
        {"pick", ST_EFF_MCHAN | ST_EFF_CHAN,
                st_avg_getopts, st_avg_start, st_avg_flow,
                st_effect_nothing_drain, st_avg_stop},
        {"pitch", 0,
                st_pitch_getopts, st_pitch_start, st_pitch_flow,
                st_pitch_drain, st_pitch_stop},
        {"polyphase", ST_EFF_RATE,
                st_poly_getopts, st_poly_start, st_poly_flow,
                st_poly_drain, st_poly_stop},
        {"rate", ST_EFF_RATE,
                st_rate_getopts, st_rate_start, st_rate_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"repeat", 0,
                st_repeat_getopts, st_repeat_start, st_repeat_flow,
                st_repeat_drain, st_repeat_stop},
        {"resample", ST_EFF_RATE,
                st_resample_getopts, st_resample_start, st_resample_flow,
                st_resample_drain, st_resample_stop},
        {"reverb", 0,
                st_reverb_getopts, st_reverb_start, st_reverb_flow,
                st_reverb_drain, st_reverb_stop},
        {"reverse", 0,
                st_reverse_getopts, st_reverse_start,
                st_reverse_flow, st_reverse_drain, st_reverse_stop},
        {"silence", ST_EFF_MCHAN,
                st_silence_getopts, st_silence_start,
                st_silence_flow, st_silence_drain, st_silence_stop},
        {"speed", 0,
                st_speed_getopts, st_speed_start,
                st_speed_flow, st_speed_drain, st_speed_stop},
        {"stat", ST_EFF_MCHAN | ST_EFF_REPORT,
                st_stat_getopts, st_stat_start, st_stat_flow,
                st_stat_drain, st_stat_stop},
        {"stretch", 0,
                st_stretch_getopts, st_stretch_start, st_stretch_flow,
                st_stretch_drain, st_stretch_stop},
        {"swap", ST_EFF_MCHAN,
                st_swap_getopts, st_swap_start, st_swap_flow,
                st_swap_drain, st_swap_stop},
        {"synth", ST_EFF_MCHAN,
                st_synth_getopts, st_synth_start, st_synth_flow,
                st_synth_drain, st_synth_stop},
        {"trim", ST_EFF_MCHAN,
                st_trim_getopts, st_trim_start, st_trim_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"vibro", 0,
                st_vibro_getopts, st_vibro_start, st_vibro_flow,
                st_effect_nothing_drain, st_effect_nothing},
        {"vol", ST_EFF_MCHAN,
                st_vol_getopts, st_vol_start, st_vol_flow,
                st_effect_nothing_drain, st_vol_stop},
        {0, 0, 0, 0, 0, 0, 0}
};