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remix_private.h
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remix_private.h
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/*
* libremix -- An audio mixing and sequencing library.
*
* Copyright (C) 2001 Commonwealth Scientific and Industrial Research
* Organisation (CSIRO), Australia.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* remix_private.h -- libremix internal data types and functions.
*
* Conrad Parker <Conrad.Parker@CSIRO.AU>, August 2001
*/
#ifndef __REMIX_PRIVATE_H__
#define __REMIX_PRIVATE_H__
/*#define DEBUG*/
#if defined(__REMIX__)
#include <stdlib.h>
#include <stdio.h>
#include "ctxdata.h"
#include "remix_compat.h"
#include "remix_plugin.h"
/* Max line length for error messages etc. */
#define REMIX_MAXLINE 4096
#define REMIX_DEFAULT_MIXLENGTH 1024
#define REMIX_DEFAULT_SAMPLERATE 44100
#define REMIX_DEFAULT_TEMPO 120
typedef struct _RemixThreadContext RemixThreadContext;
typedef struct _RemixWorld RemixWorld;
typedef struct _RemixContext RemixContext;
typedef RemixThreadContext RemixEnv;
typedef struct _RemixPoint RemixPoint;
typedef struct _RemixEnvelope RemixEnvelope;
/*typedef struct _RemixChunk RemixChunk;*/
typedef struct _RemixChannel RemixChannel;
typedef struct _RemixStream RemixStream;
typedef struct _RemixDeck RemixDeck;
typedef struct _RemixTrack RemixTrack;
typedef struct _RemixLayer RemixLayer;
typedef struct _RemixSound RemixSound;
struct _RemixThreadContext {
RemixError last_error;
RemixContext * context;
RemixWorld * world;
};
struct _RemixWorld {
RemixCount refcount;
CDList * plugins;
CDList * bases;
int purging;
};
struct _RemixContext {
RemixSamplerate samplerate;
RemixTempo tempo;
CDSet * channels;
RemixCount mixlength;
};
struct _RemixBase {
RemixPlugin * plugin;
RemixMethods * methods;
CDSet * parameters;
RemixCount offset; /* current position */
RemixContext context_limit;
void * instance_data;
};
struct _RemixPoint {
RemixTime time;
RemixPCM value;
};
struct _RemixEnvelope {
RemixBase base;
RemixEnvelopeType type;
RemixTimeType timetype;
CDList * points;
CDList * _current_point_item;
RemixCount _current_offset;
};
/* XXX: multichannel envelopes ? */
struct _RemixStream {
RemixBase base;
CDSet * channels;
};
struct _RemixChannel {
CDList * chunks;
RemixCount _current_offset;
CDList * _current_chunk;
};
struct _RemixDeck {
RemixBase base;
CDList * tracks;
RemixStream * _mixstream;
};
struct _RemixTrack {
RemixBase base;
RemixDeck * deck;
RemixPCM gain;
CDList * layers;
RemixStream * _mixstream_a;
RemixStream * _mixstream_b;
};
struct _RemixLayer {
RemixBase base;
RemixTrack * track;
RemixTimeType timetype;
CDList * sounds;
/*RemixTime _current_time;*/
CDList * _current_sound_item;
RemixTempo _current_tempo;
RemixCount _current_offset;
};
struct _RemixSound {
RemixBase base;
RemixBase * source;
RemixBase * rate_envelope;
RemixBase * gain_envelope;
RemixBase * blend_envelope;
RemixLayer * layer;
RemixTime start_time; /* position in layer */
RemixTime duration; /* maximum time length */
RemixCount cutin; /* start offset into sound source */
RemixCount cutlength;
RemixCount _current_source_offset;
RemixStream * _rate_envstream;
RemixStream * _gain_envstream;
RemixStream * _blend_envstream;
};
typedef struct _RemixMonitor RemixMonitor;
#define REMIX_MONITOR_BUFFERLEN 2048
struct _RemixMonitor {
RemixBase base;
RemixPCM databuffer[REMIX_MONITOR_BUFFERLEN];
short playbuffer[REMIX_MONITOR_BUFFERLEN];
int dev_dsp_fd;
int mode;
int mask;
int format;
int stereo;
int frequency;
int numfrags;
int fragsize;
};
#define _remix_time_zero(t) (RemixTime)\
(((t)==REMIX_TIME_SAMPLES) ? ((RemixCount)0) : \
(((t)==REMIX_TIME_SECONDS) ? ((float)0.0) : \
((int)0)))
#define _remix_time_invalid(t) (RemixTime)\
(((t)==REMIX_TIME_SAMPLES) ? ((RemixCount)-1) : \
(((t)==REMIX_TIME_SECONDS) ? ((float)-1.0) : \
((int)-1)))
#define _remix_time_is_invalid(t,ti) \
(((t)==REMIX_TIME_SAMPLES) ? ((ti).samples < (RemixCount)0) : \
(((t)==REMIX_TIME_SECONDS) ? ((ti).seconds < (float)0.0) : \
((ti).beat24s < (int)0)))
#define _remix_time_add(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? REMIX_SAMPLES((t1).samples + (t2).samples) : \
(((t)==REMIX_TIME_SECONDS) ? REMIX_SECONDS((t1).seconds + (t2).seconds) : \
REMIX_BEAT24S((t1).beat24s + (t2).beat24s)))
#define _remix_time_sub(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? REMIX_SAMPLES((t1).samples - (t2).samples) : \
(((t)==REMIX_TIME_SECONDS) ? REMIX_SECONDS((t1).seconds - (t2).seconds) : \
REMIX_BEAT24S((t1).beat24s - (t2).beat24s)))
#define _remix_time_eq(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? ((t1).samples == (t2).samples) : \
(((t)==REMIX_TIME_SECONDS) ? ((t1).seconds == (t2).seconds) : \
((t1).beat24s == (t2).beat24s)))
#define _remix_time_gt(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? ((t1).samples > (t2).samples) : \
(((t)==REMIX_TIME_SECONDS) ? ((t1).seconds > (t2).seconds) : \
((t1).beat24s > (t2).beat24s)))
#define _remix_time_lt(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? ((t1).samples < (t2).samples) : \
(((t)==REMIX_TIME_SECONDS) ? ((t1).seconds < (t2).seconds) : \
((t1).beat24s < (t2).beat24s)))
#define _remix_time_ge(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? ((t1).samples >= (t2).samples) : \
(((t)==REMIX_TIME_SECONDS) ? ((t1).seconds >= (t2).seconds) : \
((t1).beat24s >= (t2).beat24s)))
#define _remix_time_le(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? ((t1).samples <= (t2).samples) : \
(((t)==REMIX_TIME_SECONDS) ? ((t1).seconds <= (t2).seconds) : \
((t1).beat24s <= (t2).beat24s)))
#define _remix_time_min(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? ((t1).samples < (t2).samples ? (t1) : (t2)) : \
(((t)==REMIX_TIME_SECONDS) ? ((t1).seconds < (t2).seconds ? (t1) : (t2)) : \
((t1).beat24s < (t2).beat24s ? (t1) : (t2))))
#define _remix_time_max(t,t1,t2) \
(((t)==REMIX_TIME_SAMPLES) ? ((t1).samples > (t2).samples ? (t1) : (t2)) : \
(((t)==REMIX_TIME_SECONDS) ? ((t1).seconds > (t2).seconds ? (t1) : (t2)) : \
((t1).beat24s > (t2).beat24s ? (t1) : (t2))))
#define _remix_base_get_samplerate(a,b) (((RemixBase*)b)->context_limit.samplerate)
#define _remix_base_get_tempo(a,b) (((RemixBase*)b)->context_limit.tempo)
#define _remix_base_get_mixlength(a,b) (((RemixBase*)b)->context_limit.mixlength)
#define _remix_base_get_channels(a,b) (((RemixBase*)b)->context_limit.channels)
#define _remix_set_plugin(a,b,p) (((RemixBase*)b)->plugin = (p))
#define _remix_get_plugin(a,b) (((RemixBase*)b)->plugin)
#define _remix_set_methods(a,b,m) (((RemixBase*)b)->methods = (m))
#define _remix_get_methods(a,b) (((RemixBase*)b)->methods)
#define _remix_set_instance_data(a,b,d) (((RemixBase*)b)->instance_data = (d))
#define _remix_get_instance_data(a,b) (((RemixBase*)b)->instance_data)
#define _remix_set_name(a,b,n) (((RemixBase*)b)->name = (n))
#define _remix_get_name(a,b) (((RemixBase*)b)->name)
#define _remix_clone(a,b) (((RemixBase*)b)->methods->clone ((a), ((RemixBase*)b)))
#define _remix_destroy(a,b) (((RemixBase*)b)->methods->destroy ((a), ((RemixBase*)b)))
#define _remix_prepare(a,b) (((RemixBase*)b)->methods->prepare ((a), ((RemixBase*)b)))
#define _remix_process(a,b,c,i,o) \
(((RemixBase*)b)->methods->process ((a),((RemixBase*)b),(c),(i),(o)))
#define _remix_length(a,b) (((RemixBase*)b)->methods->length ((a), ((RemixBase*)b)))
#define _remix_flush(a,b) (((RemixBase*)b)->methods->flush ((a), ((RemixBase*)b)))
/* util */
#define remix_malloc(x) calloc(1, x)
#define remix_free free
/* debug */
void remix_debug_down (void);
void remix_debug_up (void);
/* RemixEnv, remix_context */
RemixBase * remix_base_new_subclass (RemixEnv * env, size_t size);
RemixContext * _remix_context_copy (RemixEnv * env, RemixContext * dest);
RemixContext * _remix_context_merge (RemixEnv * env, RemixContext * dest);
RemixEnv * _remix_register_plugin (RemixEnv * env, RemixPlugin * plugin);
RemixEnv * _remix_unregister_plugin (RemixEnv * env, RemixPlugin * plugin);
RemixEnv * _remix_register_base (RemixEnv * env, RemixBase * base);
RemixEnv * _remix_unregister_base (RemixEnv * env, RemixBase * base);
/* remix_plugin */
void remix_plugin_defaults_initialise (RemixEnv * env);
/* remix_deck */
RemixTrack * _remix_deck_add_track (RemixEnv * env, RemixDeck * deck,
RemixTrack * track);
RemixTrack * _remix_deck_remove_track (RemixEnv * env, RemixDeck * deck,
RemixTrack * track);
/* remix_track */
RemixBase * remix_track_clone (RemixEnv * env, RemixBase * base);
RemixLayer * _remix_track_add_layer_above (RemixEnv * env, RemixTrack * track,
RemixLayer * layer, RemixLayer * above);
RemixLayer * _remix_track_remove_layer (RemixEnv * env, RemixTrack * track,
RemixLayer * layer);
RemixLayer * _remix_track_get_layer_above (RemixEnv * env, RemixTrack * track,
RemixLayer * above);
RemixLayer * _remix_track_get_layer_below (RemixEnv * env, RemixTrack * track,
RemixLayer * below);
/* remix_layer */
RemixLayer * _remix_remove_layer (RemixEnv * env, RemixLayer * layer);
RemixBase * remix_layer_clone (RemixEnv * env, RemixBase * base);
RemixSound * _remix_layer_add_sound (RemixEnv * env, RemixLayer * layer,
RemixSound * sound, RemixTime position);
RemixSound * _remix_layer_remove_sound (RemixEnv * env, RemixLayer * layer,
RemixSound * sound);
RemixSound * _remix_layer_get_sound_prev (RemixEnv * env, RemixLayer * layer,
RemixSound * sound);
RemixSound * _remix_layer_get_sound_next (RemixEnv * env, RemixLayer * layer,
RemixSound * sound);
/* remix_sound */
RemixBase * remix_sound_clone_with_layer (RemixEnv * env, RemixBase * base,
RemixLayer * new_layer);
int remix_sound_later (RemixEnv * env, RemixSound * s1, RemixSound * s2);
/* remix_envelope */
RemixBase * remix_envelope_clone (RemixEnv * env, RemixBase * base);
/* remix_channel */
RemixChannel * remix_channel_new (RemixEnv * env);
RemixChannel * remix_channel_clone (RemixEnv * env, RemixChannel * channel);
int remix_channel_destroy (RemixEnv * env, RemixBase * base);
RemixChunk * remix_channel_add_chunk (RemixEnv * env, RemixChannel * channel,
RemixChunk * chunk);
RemixChunk * remix_channel_add_new_chunk (RemixEnv * env,
RemixChannel * channel,
RemixCount offset,
RemixCount length);
RemixCount remix_channel_write0 (RemixEnv * env, RemixChannel * channel,
RemixCount length);
RemixCount _remix_channel_write (RemixEnv * env, RemixChannel * channel,
RemixCount count, RemixChannel * data);
RemixCount _remix_channel_length (RemixEnv * env, RemixChannel * channel);
RemixCount _remix_channel_seek (RemixEnv * env, RemixChannel * channel,
RemixCount offset);
RemixCount remix_channel_interleave_2 (RemixEnv * env,
RemixChannel * src1,
RemixChannel * src2,
RemixPCM * dest, RemixCount count);
RemixCount remix_channel_deinterleave_2 (RemixEnv * env,
RemixChannel * dest1,
RemixChannel * dest2,
RemixPCM * src, RemixCount count);
RemixCount remix_channel_mix (RemixEnv * env, RemixChannel * src,
RemixChannel * dest, RemixCount count);
/* remix_channelset */
void remix_channelset_defaults_initialise (RemixEnv * env);
void remix_channelset_defaults_destroy (RemixEnv * env);
/* remix_chunk */
RemixChunk * remix_chunk_new (RemixEnv * env, RemixCount start_index,
RemixCount length);
RemixChunk * remix_chunk_new_from_buffer (RemixEnv * env,
RemixCount start_index,
RemixCount length,
RemixPCM * buffer);
RemixChunk * remix_chunk_clone (RemixEnv * env, RemixChunk * chunk);
void remix_chunk_free (RemixEnv * env, RemixChunk * chunk);
RemixCount _remix_chunk_clear_region (RemixEnv * env, RemixChunk * chunk,
RemixCount start, RemixCount length,
int channelname, void * unused);
RemixCount _remix_chunk_gain (RemixEnv * env, RemixChunk * chunk,
RemixCount start, RemixCount count,
int channelname, /* (RemixPCM *) */ void * gain);
RemixCount _remix_chunk_copy (RemixEnv * env, RemixChunk * src,
RemixCount src_offset,
RemixChunk * dest, RemixCount dest_offset,
RemixCount count, int channelname,
void * unused);
RemixCount _remix_chunk_add_inplace (RemixEnv * env, RemixChunk * src,
RemixCount src_offset,
RemixChunk * dest, RemixCount dest_offset,
RemixCount count, int channelname,
void * unused);
RemixCount _remix_chunk_mult_inplace (RemixEnv * env, RemixChunk * src,
RemixCount src_offset,
RemixChunk * dest,
RemixCount dest_offset,
RemixCount count, int channelname,
void * unused);
RemixCount _remix_chunk_fade_inplace (RemixEnv * env, RemixChunk * src,
RemixCount src_offset,
RemixChunk * dest,
RemixCount dest_offset,
RemixCount count, int channelname,
void * unused);
RemixCount _remix_chunk_interleave_2 (RemixEnv * env,
RemixChunk * src1,
RemixCount src1_offset,
RemixChunk * src2,
RemixCount src2_offset,
RemixCount count,
int unused, void * dest);
RemixCount _remix_chunk_deinterleave_2 (RemixEnv * env,
RemixChunk * dest1,
RemixCount dest1_offset,
RemixChunk * dest2,
RemixCount dest2_offset,
RemixCount count,
int unused, void * src);
RemixCount _remix_chunk_blend_inplace (RemixEnv * env,
RemixChunk * src, RemixCount src_offset,
RemixChunk * blend,
RemixCount blend_offset,
RemixChunk * dest,
RemixCount dest_offset,
RemixCount count,
int channelname, void * unused);
/* XXX: remove these when dynamic! */
CDList * __gain_init (RemixEnv * env);
CDList * __sndfile_init (RemixEnv * env);
#endif /* defined(__REMIX__) */
#endif /* __REMIX_PRIVATE_H__ */