BKE_sound.h

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/*
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 */
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define SOUND_WAVE_SAMPLES_PER_SECOND 250
 
#if defined(WITH_AUDASPACE)
#  include <AUD_Device.h>
#endif
 
struct Depsgraph;
struct Main;
struct Sequence;
struct bSound;
 
typedef struct SoundWaveform {
  int length;
  float *data;
} SoundWaveform;
 
void BKE_sound_init_once(void);
void BKE_sound_exit_once(void);
 
void *BKE_sound_get_device(void);
 
void BKE_sound_init(struct Main *main);
 
void BKE_sound_init_main(struct Main *bmain);
 
void BKE_sound_exit(void);
 
void BKE_sound_force_device(const char *device);
 
struct bSound *BKE_sound_new_file(struct Main *main, const char *filepath);
struct bSound *BKE_sound_new_file_exists_ex(struct Main *bmain,
                                            const char *filepath,
                                            bool *r_exists);
struct bSound *BKE_sound_new_file_exists(struct Main *bmain, const char *filepath);
 
// XXX unused currently
#if 0
struct bSound *BKE_sound_new_buffer(struct Main *bmain, struct bSound *source);
 
struct bSound *BKE_sound_new_limiter(struct Main *bmain,
                                     struct bSound *source,
                                     float start,
                                     float end);
#endif
 
void BKE_sound_cache(struct bSound *sound);
 
void BKE_sound_delete_cache(struct bSound *sound);
 
void BKE_sound_reset_runtime(struct bSound *sound);
void BKE_sound_load(struct Main *main, struct bSound *sound);
void BKE_sound_ensure_loaded(struct Main *bmain, struct bSound *sound);
 
/* Matches AUD_Channels. */
typedef enum eSoundChannels {
  SOUND_CHANNELS_INVALID = 0,
  SOUND_CHANNELS_MONO = 1,
  SOUND_CHANNELS_STEREO = 2,
  SOUND_CHANNELS_STEREO_LFE = 3,
  SOUND_CHANNELS_SURROUND4 = 4,
  SOUND_CHANNELS_SURROUND5 = 5,
  SOUND_CHANNELS_SURROUND51 = 6,
  SOUND_CHANNELS_SURROUND61 = 7,
  SOUND_CHANNELS_SURROUND71 = 8,
} eSoundChannels;
 
typedef struct SoundInfo {
  struct {
    eSoundChannels channels;
  } specs;
  float length;
  double start_offset;
} SoundInfo;
 
/* Get information about given sound. Returns truth on success., false if sound can not be loaded
 * or if the codes is not supported. */
bool BKE_sound_info_get(struct Main *main, struct bSound *sound, SoundInfo *sound_info);
 
#if defined(WITH_AUDASPACE)
AUD_Device *BKE_sound_mixdown(const struct Scene *scene,
                              AUD_DeviceSpecs specs,
                              int start,
                              float volume);
#endif
 
void BKE_sound_reset_scene_runtime(struct Scene *scene);
void BKE_sound_create_scene(struct Scene *scene);
void BKE_sound_ensure_scene(struct Scene *scene);
 
void BKE_sound_destroy_scene(struct Scene *scene);
 
void BKE_sound_lock(void);
void BKE_sound_unlock(void);
 
void BKE_sound_reset_scene_specs(struct Scene *scene);
 
void BKE_sound_mute_scene(struct Scene *scene, int muted);
 
void BKE_sound_update_fps(struct Main *bmain, struct Scene *scene);
 
void BKE_sound_update_scene_listener(struct Scene *scene);
 
void *BKE_sound_scene_add_scene_sound(
    struct Scene *scene, struct Sequence *sequence, int startframe, int endframe, int frameskip);
void *BKE_sound_scene_add_scene_sound_defaults(struct Scene *scene, struct Sequence *sequence);
 
void *BKE_sound_add_scene_sound(
    struct Scene *scene, struct Sequence *sequence, int startframe, int endframe, int frameskip);
void *BKE_sound_add_scene_sound_defaults(struct Scene *scene, struct Sequence *sequence);
 
void BKE_sound_remove_scene_sound(struct Scene *scene, void *handle);
 
void BKE_sound_mute_scene_sound(void *handle, char mute);
 
void BKE_sound_move_scene_sound(struct Scene *scene,
                                void *handle,
                                int startframe,
                                int endframe,
                                int frameskip,
                                double audio_offset);
void BKE_sound_move_scene_sound_defaults(struct Scene *scene, struct Sequence *sequence);
 
void BKE_sound_update_scene_sound(void *handle, struct bSound *sound);
 
void BKE_sound_set_cfra(int cfra);
 
void BKE_sound_set_scene_volume(struct Scene *scene, float volume);
 
void BKE_sound_set_scene_sound_volume(void *handle, float volume, char animated);
 
void BKE_sound_set_scene_sound_pitch(void *handle, float pitch, char animated);
 
void BKE_sound_set_scene_sound_pan(void *handle, float pan, char animated);
 
void BKE_sound_update_sequencer(struct Main *main, struct bSound *sound);
 
void BKE_sound_play_scene(struct Scene *scene);
 
void BKE_sound_stop_scene(struct Scene *scene);
 
void BKE_sound_seek_scene(struct Main *bmain, struct Scene *scene);
 
double BKE_sound_sync_scene(struct Scene *scene);
 
int BKE_sound_scene_playing(struct Scene *scene);
 
void BKE_sound_free_waveform(struct bSound *sound);
 
void BKE_sound_read_waveform(struct Main *bmain, struct bSound *sound, short *stop);
 
void BKE_sound_update_scene(struct Depsgraph *depsgraph, struct Scene *scene);
 
void *BKE_sound_get_factory(void *sound);
 
float BKE_sound_get_length(struct Main *bmain, struct bSound *sound);
 
char **BKE_sound_get_device_names(void);
 
typedef void (*SoundJackSyncCallback)(struct Main *bmain, int mode, double time);
 
void BKE_sound_jack_sync_callback_set(SoundJackSyncCallback callback);
void BKE_sound_jack_scene_update(struct Scene *scene, int mode, double time);
 
/* Dependency graph evaluation. */
 
struct Depsgraph;
 
void BKE_sound_evaluate(struct Depsgraph *depsgraph, struct Main *bmain, struct bSound *sound);
 
#ifdef __cplusplus
}
#endif