mirror of https://github.com/mpv-player/mpv
156 lines
7.7 KiB
C
156 lines
7.7 KiB
C
/* XMMS - Cross-platform multimedia player
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* Copyright (C) 1998-2000 Peter Alm, Mikael Alm, Olle Hallnas, Thomas Nilsson and 4Front Technologies
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef MPLAYER_DEMUX_XMMS_PLUGIN_H
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#define MPLAYER_DEMUX_XMMS_PLUGIN_H
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typedef enum
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{
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FMT_U8, FMT_S8, FMT_U16_LE, FMT_U16_BE, FMT_U16_NE, FMT_S16_LE, FMT_S16_BE, FMT_S16_NE
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}
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AFormat;
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typedef struct
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{
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void *handle; /* Filled in by xmms */
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char *filename; /* Filled in by xmms */
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char *description; /* The description that is shown in the preferences box */
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void (*init) (void);
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void (*about) (void); /* Show the about box */
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void (*configure) (void); /* Show the configuration dialog */
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void (*get_volume) (int *l, int *r);
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void (*set_volume) (int l, int r); /* Set the volume */
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int (*open_audio) (AFormat fmt, int rate, int nch); /* Open the device, if the device can't handle the given
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parameters the plugin is responsible for downmixing
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the data to the right format before outputting it */
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void (*write_audio) (void *ptr, int length); /* The input plugin calls this to write data to the output
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buffer */
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void (*close_audio) (void); /* No comment... */
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void (*flush) (int time); /* Flush the buffer and set the plugins internal timers to time */
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void (*pause) (short paused); /* Pause or unpause the output */
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int (*buffer_free) (void); /* Return the amount of data that can be written to the buffer,
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two calls to this without a call to write_audio should make
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the plugin output audio directly */
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int (*buffer_playing) (void); /* Returns TRUE if the plugin currently is playing some audio,
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otherwise return FALSE */
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int (*output_time) (void); /* Return the current playing time */
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int (*written_time) (void); /* Return the length of all the data that has been written to
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the buffer */
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}
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OutputPlugin;
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typedef struct
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{
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void *handle; /* Filled in by xmms */
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char *filename; /* Filled in by xmms */
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char *description; /* The description that is shown in the preferences box */
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void (*init) (void); /* Called when the plugin is loaded */
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void (*cleanup) (void); /* Called when the plugin is unloaded */
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void (*about) (void); /* Show the about box */
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void (*configure) (void); /* Show the configure box */
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int (*mod_samples) (void *data, int length, AFormat fmt, int srate, int nch); /* Modify samples */
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void (*query_format) (AFormat *fmt,int *rate, int *nch);
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}
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EffectPlugin;
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typedef enum
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{
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INPUT_VIS_ANALYZER, INPUT_VIS_SCOPE, INPUT_VIS_VU, INPUT_VIS_OFF
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}
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InputVisType;
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typedef struct
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{
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void *handle; /* Filled in by xmms */
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char *filename; /* Filled in by xmms */
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char *description; /* The description that is shown in the preferences box */
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void (*init) (void); /* Called when the plugin is loaded */
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void (*about) (void); /* Show the about box */
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void (*configure) (void);
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int (*is_our_file) (char *filename); /* Return 1 if the plugin can handle the file */
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void *(*scan_dir) (char *dirname); /* Look in Input/cdaudio/cdaudio.c to see how */
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/* to use this */
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void (*play_file) (char *filename); /* Guess what... */
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void (*stop) (void); /* Tricky one */
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void (*pause) (short paused); /* Pause or unpause */
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void (*seek) (int time); /* Seek to the specified time */
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void (*set_eq) (int on, float preamp, float *bands); /* Set the equalizer, most plugins won't be able to do this */
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int (*get_time) (void); /* Get the time, usually returns the output plugins output time */
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void (*get_volume) (int *l, int *r); /* Input-plugin specific volume functions, just provide a NULL if */
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void (*set_volume) (int l, int r); /* you want the output plugin to handle it */
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void (*cleanup) (void); /* Called when xmms exit */
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InputVisType (*get_vis_type) (void); /* OBSOLETE, DO NOT USE! */
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void (*add_vis_pcm) (int time, AFormat fmt, int nch, int length, void *ptr); /* Send data to the visualization plugins
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Preferably 512 samples/block */
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void (*set_info) (char *title, int length, int rate, int freq, int nch); /* Fill in the stuff that is shown in the player window
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set length to -1 if it's unknown. Filled in by xmms */
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void (*set_info_text) (char *text); /* Show some text in the song title box in the main window,
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call it with NULL as argument to reset it to the song title.
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Filled in by xmms */
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void (*get_song_info) (char *filename, char **title, int *length); /* Function to grab the title string */
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void (*file_info_box) (char *filename); /* Bring up an info window for the filename passed in */
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OutputPlugin *output; /* Handle to the current output plugin. Filled in by xmms */
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}
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InputPlugin;
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/* So that input plugins can get the title formatting information */
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char *xmms_get_gentitle_format(void);
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/* So that output plugins can communicate with effect plugins */
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EffectPlugin *get_current_effect_plugin(void);
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int effects_enabled(void);
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typedef struct
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{
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void *handle; /* Filled in by xmms */
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char *filename; /* Filled in by xmms */
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int xmms_session; /* The session ID for attaching to the control socket */
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char *description; /* The description that is shown in the preferences box */
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void (*init) (void); /* Called when the plugin is enabled */
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void (*about) (void); /* Show the about box */
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void (*configure) (void);
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void (*cleanup) (void); /* Called when the plugin is disabled or when xmms exits */
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}
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GeneralPlugin;
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typedef struct VisPlugin
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{
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void *handle; /* Filled in by xmms */
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char *filename; /* Filled in by xmms */
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int xmms_session; /* The session ID for attaching to the control socket */
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char *description; /* The description that is shown in the preferences box */
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int num_pcm_chs_wanted; /* Numbers of PCM channels wanted in the call to render_pcm */
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int num_freq_chs_wanted; /* Numbers of freq channels wanted in the call to render_freq */
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void (*init)(void); /* Called when the plugin is enabled */
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void (*cleanup)(void); /* Called when the plugin is disabled */
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void (*about)(void); /* Show the about box */
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void (*configure)(void); /* Show the configure box */
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void (*disable_plugin)(struct VisPlugin *); /* Call this with a pointer to your plugin to disable the plugin */
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void (*playback_start)(void); /* Called when playback starts */
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void (*playback_stop)(void); /* Called when playback stops */
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void (*render_pcm)(short pcm_data[2][512]); /* Render the PCM data, don't do anything time consuming in here */
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void (*render_freq)(short freq_data[2][256]); /* Render the freq data, don't do anything time consuming in here */
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} VisPlugin;
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#endif /* MPLAYER_DEMUX_XMMS_PLUGIN_H */
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