/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/blenkernel/intern/sound.c
 *  \ingroup bke
 */

#include <string.h>
#include <stdlib.h>

#include "MEM_guardedalloc.h"

#include "BLI_blenlib.h"
#include "BLI_math.h"

#include "DNA_anim_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "DNA_packedFile_types.h"
#include "DNA_screen_types.h"
#include "DNA_sound_types.h"
#include "DNA_speaker_types.h"

#ifdef WITH_AUDASPACE
#  include "AUD_C-API.h"
#endif

#include "BKE_utildefines.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_sound.h"
#include "BKE_context.h"
#include "BKE_library.h"
#include "BKE_packedFile.h"
#include "BKE_animsys.h"
#include "BKE_sequencer.h"
#include "BKE_scene.h"

// evil quiet NaN definition
static const int NAN_INT = 0x7FC00000;
#define NAN_FLT *((float *)(&NAN_INT))

#ifdef WITH_AUDASPACE
// evil global ;-)
static int sound_cfra;
#endif

bSound *sound_new_file(struct Main *bmain, const char *filename)
{
	bSound *sound = NULL;

	char str[FILE_MAX];
	char *path;

	size_t len;

	BLI_strncpy(str, filename, sizeof(str));

	path = /*bmain ? bmain->name :*/ G.main->name;

	BLI_path_abs(str, path);

	len = strlen(filename);
	while (len > 0 && filename[len - 1] != '/' && filename[len - 1] != '\\')
		len--;

	sound = BKE_libblock_alloc(&bmain->sound, ID_SO, filename + len);
	BLI_strncpy(sound->name, filename, FILE_MAX);
// XXX unused currently	sound->type = SOUND_TYPE_FILE;

	sound_load(bmain, sound);

	if (!sound->playback_handle) {
		BKE_libblock_free(&bmain->sound, sound);
		sound = NULL;
	}

	return sound;
}

void BKE_sound_free(bSound *sound)
{
	if (sound->packedfile) {
		freePackedFile(sound->packedfile);
		sound->packedfile = NULL;
	}

#ifdef WITH_AUDASPACE
	if (sound->handle) {
		AUD_unload(sound->handle);
		sound->handle = NULL;
		sound->playback_handle = NULL;
	}

	if (sound->cache) {
		AUD_unload(sound->cache);
		sound->cache = NULL;
	}

	sound_free_waveform(sound);
#endif // WITH_AUDASPACE
}

#ifdef WITH_AUDASPACE

static int force_device = -1;

#ifdef WITH_JACK
static void sound_sync_callback(void *data, int mode, float time)
{
	struct Main *bmain = (struct Main *)data;
	struct Scene *scene;

	scene = bmain->scene.first;
	while (scene) {
		if (scene->audio.flag & AUDIO_SYNC) {
			if (mode)
				sound_play_scene(scene);
			else
				sound_stop_scene(scene);
			if (scene->sound_scene_handle)
				AUD_seek(scene->sound_scene_handle, time);
		}
		scene = scene->id.next;
	}
}
#endif

int sound_define_from_str(const char *str)
{
	if (BLI_strcaseeq(str, "NULL"))
		return AUD_NULL_DEVICE;
	if (BLI_strcaseeq(str, "SDL"))
		return AUD_SDL_DEVICE;
	if (BLI_strcaseeq(str, "OPENAL"))
		return AUD_OPENAL_DEVICE;
	if (BLI_strcaseeq(str, "JACK"))
		return AUD_JACK_DEVICE;

	return -1;
}

void sound_force_device(int device)
{
	force_device = device;
}

void sound_init_once(void)
{
	AUD_initOnce();
	atexit(sound_exit);
}

void sound_init(struct Main *bmain)
{
	AUD_DeviceSpecs specs;
	int device, buffersize;

	device = U.audiodevice;
	buffersize = U.mixbufsize;
	specs.channels = U.audiochannels;
	specs.format = U.audioformat;
	specs.rate = U.audiorate;

	if (force_device >= 0)
		device = force_device;

	if (buffersize < 128)
		buffersize = AUD_DEFAULT_BUFFER_SIZE;

	if (specs.rate < AUD_RATE_8000)
		specs.rate = AUD_RATE_44100;

	if (specs.format <= AUD_FORMAT_INVALID)
		specs.format = AUD_FORMAT_S16;

	if (specs.channels <= AUD_CHANNELS_INVALID)
		specs.channels = AUD_CHANNELS_STEREO;

	if (!AUD_init(device, specs, buffersize))
		AUD_init(AUD_NULL_DEVICE, specs, buffersize);

	sound_init_main(bmain);
}

void sound_init_main(struct Main *bmain)
{
#ifdef WITH_JACK
	AUD_setSyncCallback(sound_sync_callback, bmain);
#else
	(void)bmain; /* unused */
#endif
}

void sound_exit(void)
{
	AUD_exit();
}

// XXX unused currently
#if 0
bSound *sound_new_buffer(struct Main *bmain, bSound *source)
{
	bSound *sound = NULL;

	char name[MAX_ID_NAME + 5];
	strcpy(name, "buf_");
	strcpy(name + 4, source->id.name);

	sound = BKE_libblock_alloc(&bmain->sound, ID_SO, name);

	sound->child_sound = source;
	sound->type = SOUND_TYPE_BUFFER;

	sound_load(bmain, sound);

	if (!sound->playback_handle)
	{
		BKE_libblock_free(&bmain->sound, sound);
		sound = NULL;
	}

	return sound;
}

bSound *sound_new_limiter(struct Main *bmain, bSound *source, float start, float end)
{
	bSound *sound = NULL;

	char name[MAX_ID_NAME + 5];
	strcpy(name, "lim_");
	strcpy(name + 4, source->id.name);

	sound = BKE_libblock_alloc(&bmain->sound, ID_SO, name);

	sound->child_sound = source;
	sound->start = start;
	sound->end = end;
	sound->type = SOUND_TYPE_LIMITER;

	sound_load(bmain, sound);

	if (!sound->playback_handle)
	{
		BKE_libblock_free(&bmain->sound, sound);
		sound = NULL;
	}

	return sound;
}
#endif

void sound_delete(struct Main *bmain, bSound *sound)
{
	if (sound) {
		BKE_sound_free(sound);

		BKE_libblock_free(&bmain->sound, sound);
	}
}

void sound_cache(bSound *sound)
{
	sound->flags |= SOUND_FLAGS_CACHING;
	if (sound->cache)
		AUD_unload(sound->cache);

	sound->cache = AUD_bufferSound(sound->handle);
	if (sound->cache)
		sound->playback_handle = sound->cache;
	else
		sound->playback_handle = sound->handle;
}

void sound_cache_notifying(struct Main *main, bSound *sound)
{
	sound_cache(sound);
	sound_update_sequencer(main, sound);
}

void sound_delete_cache(bSound *sound)
{
	sound->flags &= ~SOUND_FLAGS_CACHING;
	if (sound->cache) {
		AUD_unload(sound->cache);
		sound->cache = NULL;
		sound->playback_handle = sound->handle;
	}
}

void sound_load(struct Main *bmain, bSound *sound)
{
	if (sound) {
		if (sound->cache) {
			AUD_unload(sound->cache);
			sound->cache = NULL;
		}

		if (sound->handle) {
			AUD_unload(sound->handle);
			sound->handle = NULL;
			sound->playback_handle = NULL;
		}

		sound_free_waveform(sound);

// XXX unused currently
#if 0
		switch (sound->type)
		{
			case SOUND_TYPE_FILE:
#endif
		{
			char fullpath[FILE_MAX];

			/* load sound */
			PackedFile *pf = sound->packedfile;

			/* don't modify soundact->sound->name, only change a copy */
			BLI_strncpy(fullpath, sound->name, sizeof(fullpath));
			BLI_path_abs(fullpath, ID_BLEND_PATH(bmain, &sound->id));

			/* but we need a packed file then */
			if (pf)
				sound->handle = AUD_loadBuffer((unsigned char *) pf->data, pf->size);
			/* or else load it from disk */
			else
				sound->handle = AUD_load(fullpath);
		}
// XXX unused currently
#if 0
		break;
	}
	case SOUND_TYPE_BUFFER:
		if (sound->child_sound && sound->child_sound->handle)
			sound->handle = AUD_bufferSound(sound->child_sound->handle);
		break;
	case SOUND_TYPE_LIMITER:
		if (sound->child_sound && sound->child_sound->handle)
			sound->handle = AUD_limitSound(sound->child_sound, sound->start, sound->end);
		break;
}
#endif
		if (sound->flags & SOUND_FLAGS_MONO) {
			void *handle = AUD_monoSound(sound->handle);
			AUD_unload(sound->handle);
			sound->handle = handle;
		}

		if (sound->flags & SOUND_FLAGS_CACHING) {
			sound->cache = AUD_bufferSound(sound->handle);
		}

		if (sound->cache)
			sound->playback_handle = sound->cache;
		else
			sound->playback_handle = sound->handle;

		sound_update_sequencer(bmain, sound);
	}
}

AUD_Device *sound_mixdown(struct Scene *scene, AUD_DeviceSpecs specs, int start, float volume)
{
	return AUD_openMixdownDevice(specs, scene->sound_scene, volume, start / FPS);
}

void sound_create_scene(struct Scene *scene)
{
	/* should be done in version patch, but this gets called before */
	if (scene->r.frs_sec_base == 0)
		scene->r.frs_sec_base = 1;

	scene->sound_scene = AUD_createSequencer(FPS, scene->audio.flag & AUDIO_MUTE);
	AUD_updateSequencerData(scene->sound_scene, scene->audio.speed_of_sound,
	                        scene->audio.doppler_factor, scene->audio.distance_model);
	scene->sound_scene_handle = NULL;
	scene->sound_scrub_handle = NULL;
	scene->speaker_handles = NULL;
}

void sound_destroy_scene(struct Scene *scene)
{
	if (scene->sound_scene_handle)
		AUD_stop(scene->sound_scene_handle);
	if (scene->sound_scrub_handle)
		AUD_stop(scene->sound_scrub_handle);
	if (scene->sound_scene)
		AUD_destroySequencer(scene->sound_scene);
	if (scene->speaker_handles)
		AUD_destroySet(scene->speaker_handles);
}

void sound_mute_scene(struct Scene *scene, int muted)
{
	if (scene->sound_scene)
		AUD_setSequencerMuted(scene->sound_scene, muted);
}

void sound_update_fps(struct Scene *scene)
{
	if (scene->sound_scene)
		AUD_setSequencerFPS(scene->sound_scene, FPS);
}

void sound_update_scene_listener(struct Scene *scene)
{
	AUD_updateSequencerData(scene->sound_scene, scene->audio.speed_of_sound,
	                        scene->audio.doppler_factor, scene->audio.distance_model);
}

void *sound_scene_add_scene_sound(struct Scene *scene, struct Sequence *sequence, int startframe, int endframe, int frameskip)
{
	if (scene != sequence->scene)
		return AUD_addSequence(scene->sound_scene, sequence->scene->sound_scene, startframe / FPS, endframe / FPS, frameskip / FPS);
	return NULL;
}

void *sound_scene_add_scene_sound_defaults(struct Scene *scene, struct Sequence *sequence)
{
	return sound_scene_add_scene_sound(scene, sequence,
	                                   sequence->startdisp, sequence->enddisp,
	                                   sequence->startofs + sequence->anim_startofs);
}

void *sound_add_scene_sound(struct Scene *scene, struct Sequence *sequence, int startframe, int endframe, int frameskip)
{
	void *handle = AUD_addSequence(scene->sound_scene, sequence->sound->playback_handle, startframe / FPS, endframe / FPS, frameskip / FPS);
	AUD_muteSequence(handle, (sequence->flag & SEQ_MUTE) != 0);
	AUD_setSequenceAnimData(handle, AUD_AP_VOLUME, CFRA, &sequence->volume, 0);
	AUD_setSequenceAnimData(handle, AUD_AP_PITCH, CFRA, &sequence->pitch, 0);
	AUD_setSequenceAnimData(handle, AUD_AP_PANNING, CFRA, &sequence->pan, 0);
	return handle;
}

void *sound_add_scene_sound_defaults(struct Scene *scene, struct Sequence *sequence)
{
	return sound_add_scene_sound(scene, sequence,
	                             sequence->startdisp, sequence->enddisp,
	                             sequence->startofs + sequence->anim_startofs);
}

void sound_remove_scene_sound(struct Scene *scene, void *handle)
{
	AUD_removeSequence(scene->sound_scene, handle);
}

void sound_mute_scene_sound(void *handle, char mute)
{
	AUD_muteSequence(handle, mute);
}

void sound_move_scene_sound(struct Scene *scene, void *handle, int startframe, int endframe, int frameskip)
{
	AUD_moveSequence(handle, startframe / FPS, endframe / FPS, frameskip / FPS);
}

void sound_move_scene_sound_defaults(struct Scene *scene, struct Sequence *sequence)
{
	if (sequence->scene_sound) {
		sound_move_scene_sound(scene, sequence->scene_sound,
		                       sequence->startdisp, sequence->enddisp,
		                       sequence->startofs + sequence->anim_startofs);
	}
}

void sound_update_scene_sound(void *handle, bSound *sound)
{
	AUD_updateSequenceSound(handle, sound->playback_handle);
}

void sound_set_cfra(int cfra)
{
	sound_cfra = cfra;
}

void sound_set_scene_volume(struct Scene *scene, float volume)
{
	AUD_setSequencerAnimData(scene->sound_scene, AUD_AP_VOLUME, CFRA, &volume, (scene->audio.flag & AUDIO_VOLUME_ANIMATED) != 0);
}

void sound_set_scene_sound_volume(void *handle, float volume, char animated)
{
	AUD_setSequenceAnimData(handle, AUD_AP_VOLUME, sound_cfra, &volume, animated);
}

void sound_set_scene_sound_pitch(void *handle, float pitch, char animated)
{
	AUD_setSequenceAnimData(handle, AUD_AP_PITCH, sound_cfra, &pitch, animated);
}

void sound_set_scene_sound_pan(void *handle, float pan, char animated)
{
	AUD_setSequenceAnimData(handle, AUD_AP_PANNING, sound_cfra, &pan, animated);
}

void sound_update_sequencer(struct Main *main, bSound *sound)
{
	struct Scene *scene;

	for (scene = main->scene.first; scene; scene = scene->id.next) {
		BKE_sequencer_update_sound(scene, sound);
	}
}

static void sound_start_play_scene(struct Scene *scene)
{
	if (scene->sound_scene_handle)
		AUD_stop(scene->sound_scene_handle);

	AUD_setSequencerDeviceSpecs(scene->sound_scene);

	if ((scene->sound_scene_handle = AUD_play(scene->sound_scene, 1)))
		AUD_setLoop(scene->sound_scene_handle, -1);
}

void sound_play_scene(struct Scene *scene)
{
	AUD_Status status;
	AUD_lock();

	status = scene->sound_scene_handle ? AUD_getStatus(scene->sound_scene_handle) : AUD_STATUS_INVALID;

	if (status == AUD_STATUS_INVALID)
		sound_start_play_scene(scene);

	if (!scene->sound_scene_handle) {
		AUD_unlock();
		return;
	}

	if (status != AUD_STATUS_PLAYING) {
		AUD_seek(scene->sound_scene_handle, CFRA / FPS);
		AUD_resume(scene->sound_scene_handle);
	}

	if (scene->audio.flag & AUDIO_SYNC)
		AUD_startPlayback();

	AUD_unlock();
}

void sound_stop_scene(struct Scene *scene)
{
	if (scene->sound_scene_handle) {
		AUD_pause(scene->sound_scene_handle);

		if (scene->audio.flag & AUDIO_SYNC)
			AUD_stopPlayback();
	}
}

void sound_seek_scene(struct Main *bmain, struct Scene *scene)
{
	AUD_Status status;
	bScreen *screen;
	int animation_playing;

	AUD_lock();

	status = scene->sound_scene_handle ? AUD_getStatus(scene->sound_scene_handle) : AUD_STATUS_INVALID;

	if (status == AUD_STATUS_INVALID) {
		sound_start_play_scene(scene);

		if (!scene->sound_scene_handle) {
			AUD_unlock();
			return;
		}

		AUD_pause(scene->sound_scene_handle);
	}

	animation_playing = 0;
	for (screen = bmain->screen.first; screen; screen = screen->id.next) {
		if (screen->animtimer) {
			animation_playing = 1;
		}
	}

	if (scene->audio.flag & AUDIO_SCRUB && !animation_playing) {
		if (scene->audio.flag & AUDIO_SYNC) {
			AUD_seek(scene->sound_scene_handle, CFRA / FPS);
			AUD_seekSequencer(scene->sound_scene_handle, CFRA / FPS);
		}
		else
			AUD_seek(scene->sound_scene_handle, CFRA / FPS);
		AUD_resume(scene->sound_scene_handle);
		if (scene->sound_scrub_handle && AUD_getStatus(scene->sound_scrub_handle) != AUD_STATUS_INVALID)
			AUD_seek(scene->sound_scrub_handle, 0);
		else {
			if (scene->sound_scrub_handle)
				AUD_stop(scene->sound_scrub_handle);
			scene->sound_scrub_handle = AUD_pauseAfter(scene->sound_scene_handle, 1 / FPS);
		}
	}
	else {
		if (scene->audio.flag & AUDIO_SYNC)
			AUD_seekSequencer(scene->sound_scene_handle, CFRA / FPS);
		else {
			if (status == AUD_STATUS_PLAYING)
				AUD_seek(scene->sound_scene_handle, CFRA / FPS);
		}
	}

	AUD_unlock();
}

float sound_sync_scene(struct Scene *scene)
{
	if (scene->sound_scene_handle) {
		if (scene->audio.flag & AUDIO_SYNC)
			return AUD_getSequencerPosition(scene->sound_scene_handle);
		else
			return AUD_getPosition(scene->sound_scene_handle);
	}
	return NAN_FLT;
}

int sound_scene_playing(struct Scene *scene)
{
	if (scene->audio.flag & AUDIO_SYNC)
		return AUD_doesPlayback();
	else
		return -1;
}

void sound_free_waveform(bSound *sound)
{
	if (sound->waveform) {
		MEM_freeN(((SoundWaveform *)sound->waveform)->data);
		MEM_freeN(sound->waveform);
	}

	sound->waveform = NULL;
}

void sound_read_waveform(bSound *sound)
{
	AUD_SoundInfo info;

	info = AUD_getInfo(sound->playback_handle);

	if (info.length > 0) {
		SoundWaveform *waveform = MEM_mallocN(sizeof(SoundWaveform), "SoundWaveform");
		int length = info.length * SOUND_WAVE_SAMPLES_PER_SECOND;

		waveform->data = MEM_mallocN(length * sizeof(float) * 3, "SoundWaveform.samples");
		waveform->length = AUD_readSound(sound->playback_handle, waveform->data, length, SOUND_WAVE_SAMPLES_PER_SECOND);

		sound_free_waveform(sound);
		sound->waveform = waveform;
	}
}

void sound_update_scene(struct Scene *scene)
{
	Object *ob;
	Base *base;
	NlaTrack *track;
	NlaStrip *strip;
	Speaker *speaker;
	Scene *sce_it;

	void *new_set = AUD_createSet();
	void *handle;
	float quat[4];

	for (SETLOOPER(scene, sce_it, base)) {
		ob = base->object;
		if (ob->type == OB_SPEAKER) {
			if (ob->adt) {
				for (track = ob->adt->nla_tracks.first; track; track = track->next) {
					for (strip = track->strips.first; strip; strip = strip->next) {
						if (strip->type == NLASTRIP_TYPE_SOUND) {
							speaker = (Speaker *)ob->data;

							if (AUD_removeSet(scene->speaker_handles, strip->speaker_handle)) {
								if (speaker->sound)
									AUD_moveSequence(strip->speaker_handle, strip->start / FPS, -1, 0);
								else {
									AUD_removeSequence(scene->sound_scene, strip->speaker_handle);
									strip->speaker_handle = NULL;
								}
							}
							else {
								if (speaker->sound) {
									strip->speaker_handle = AUD_addSequence(scene->sound_scene, speaker->sound->playback_handle, strip->start / FPS, -1, 0);
									AUD_setRelativeSequence(strip->speaker_handle, 0);
								}
							}

							if (strip->speaker_handle) {
								AUD_addSet(new_set, strip->speaker_handle);
								AUD_updateSequenceData(strip->speaker_handle, speaker->volume_max,
								                       speaker->volume_min, speaker->distance_max,
								                       speaker->distance_reference, speaker->attenuation,
								                       speaker->cone_angle_outer, speaker->cone_angle_inner,
								                       speaker->cone_volume_outer);

								mat4_to_quat(quat, ob->obmat);
								AUD_setSequenceAnimData(strip->speaker_handle, AUD_AP_LOCATION, CFRA, ob->obmat[3], 1);
								AUD_setSequenceAnimData(strip->speaker_handle, AUD_AP_ORIENTATION, CFRA, quat, 1);
								AUD_setSequenceAnimData(strip->speaker_handle, AUD_AP_VOLUME, CFRA, &speaker->volume, 1);
								AUD_setSequenceAnimData(strip->speaker_handle, AUD_AP_PITCH, CFRA, &speaker->pitch, 1);
								AUD_updateSequenceSound(strip->speaker_handle, speaker->sound->playback_handle);
								AUD_muteSequence(strip->speaker_handle, ((strip->flag & NLASTRIP_FLAG_MUTED) != 0) || ((speaker->flag & SPK_MUTED) != 0));
							}
						}
					}
				}
			}
		}
	}

	while ((handle = AUD_getSet(scene->speaker_handles))) {
		AUD_removeSequence(scene->sound_scene, handle);
	}

	if (scene->camera) {
		mat4_to_quat(quat, scene->camera->obmat);
		AUD_setSequencerAnimData(scene->sound_scene, AUD_AP_LOCATION, CFRA, scene->camera->obmat[3], 1);
		AUD_setSequencerAnimData(scene->sound_scene, AUD_AP_ORIENTATION, CFRA, quat, 1);
	}

	AUD_destroySet(scene->speaker_handles);
	scene->speaker_handles = new_set;
}

void *sound_get_factory(void *sound)
{
	return ((bSound *) sound)->playback_handle;
}

/* stupid wrapper because AUD_C-API.h includes Python.h which makesrna doesn't like */
float sound_get_length(bSound *sound)
{
	AUD_SoundInfo info = AUD_getInfo(sound->playback_handle);

	return info.length;
}

#else // WITH_AUDASPACE

#include "BLI_utildefines.h"

int sound_define_from_str(const char *UNUSED(str)) { return -1;}
void sound_force_device(int UNUSED(device)) {}
void sound_init_once(void) {}
void sound_init(struct Main *UNUSED(bmain)) {}
void sound_exit(void) {}
void sound_cache(struct bSound* UNUSED(sound)) { }
void sound_delete_cache(struct bSound* UNUSED(sound)) {}
void sound_load(struct Main *UNUSED(bmain), struct bSound* UNUSED(sound)) {}
void sound_create_scene(struct Scene *UNUSED(scene)) {}
void sound_destroy_scene(struct Scene *UNUSED(scene)) {}
void sound_mute_scene(struct Scene *UNUSED(scene), int UNUSED(muted)) {}
void* sound_scene_add_scene_sound(struct Scene *UNUSED(scene), struct Sequence* UNUSED(sequence), int UNUSED(startframe), int UNUSED(endframe), int UNUSED(frameskip)) { return NULL; }
void* sound_scene_add_scene_sound_defaults(struct Scene *UNUSED(scene), struct Sequence* UNUSED(sequence)) { return NULL; }
void* sound_add_scene_sound(struct Scene *UNUSED(scene), struct Sequence* UNUSED(sequence), int UNUSED(startframe), int UNUSED(endframe), int UNUSED(frameskip)) { return NULL; }
void* sound_add_scene_sound_defaults(struct Scene *UNUSED(scene), struct Sequence* UNUSED(sequence)) { return NULL; }
void sound_remove_scene_sound(struct Scene *UNUSED(scene), void* UNUSED(handle)) {}
void sound_mute_scene_sound(void* UNUSED(handle), char UNUSED(mute)) {}
void sound_move_scene_sound(struct Scene *UNUSED(scene), void* UNUSED(handle), int UNUSED(startframe), int UNUSED(endframe), int UNUSED(frameskip)) {}
void sound_move_scene_sound_defaults(struct Scene *UNUSED(scene), struct Sequence *UNUSED(sequence)) {}
void sound_play_scene(struct Scene *UNUSED(scene)) {}
void sound_stop_scene(struct Scene *UNUSED(scene)) {}
void sound_seek_scene(struct Main *UNUSED(bmain), struct Scene *UNUSED(scene)) {}
float sound_sync_scene(struct Scene *UNUSED(scene)) { return NAN_FLT; }
int sound_scene_playing(struct Scene *UNUSED(scene)) { return -1; }
int sound_read_sound_buffer(struct bSound* UNUSED(sound), float* UNUSED(buffer), int UNUSED(length), float UNUSED(start), float UNUSED(end)) { return 0; }
void sound_read_waveform(struct bSound* sound) { (void)sound; }
void sound_init_main(struct Main *bmain) { (void)bmain; }
void sound_set_cfra(int cfra) { (void)cfra; }
void sound_update_sequencer(struct Main* main, struct bSound* sound) { (void)main; (void)sound; }
void sound_update_scene(struct Scene* scene) { (void)scene; }
void sound_update_scene_sound(void* handle, struct bSound* sound) { (void)handle; (void)sound; }
void sound_update_scene_listener(struct Scene *scene) { (void)scene; }
void sound_update_fps(struct Scene *scene) { (void)scene; }
void sound_set_scene_sound_volume(void* handle, float volume, char animated) { (void)handle; (void)volume; (void)animated; }
void sound_set_scene_sound_pan(void* handle, float pan, char animated) { (void)handle; (void)pan; (void)animated; }
void sound_set_scene_volume(struct Scene *scene, float volume) { (void)scene; (void)volume; }
void sound_set_scene_sound_pitch(void* handle, float pitch, char animated) { (void)handle; (void)pitch; (void)animated; }
float sound_get_length(struct bSound* sound) { (void)sound; return 0; }
#endif // WITH_AUDASPACE