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tornavis/source/blender/sequencer/intern/sound.cc

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
* SPDX-FileCopyrightText: 2003-2009 Blender Authors
* SPDX-FileCopyrightText: 2005-2006 Peter Schlaile <peter [at] schlaile [dot] de>
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bke
*/
#include <cmath>
#include <cstring>
#include "MEM_guardedalloc.h"
#include "DNA_curve_types.h"
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "DNA_sound_types.h"
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "BLO_read_write.hh"
#include "BKE_colortools.h"
#include "BKE_main.h"
#include "BKE_scene.h"
#include "BKE_sound.h"
#ifdef WITH_CONVOLUTION
# include "AUD_Sound.h"
#endif
#include "SEQ_sound.hh"
#include "SEQ_time.hh"
#include "sequencer.hh"
#include "strip_time.hh"
/* Unlike _update_sound_ functions,
* these ones take info from audaspace to update sequence length! */
const SoundModifierWorkerInfo workersSoundModifiers[] = {
{seqModifierType_SoundEqualizer, SEQ_sound_equalizermodifier_recreator}, {0, nullptr}};
#ifdef WITH_CONVOLUTION
static bool sequencer_refresh_sound_length_recursive(Main *bmain, Scene *scene, ListBase *seqbase)
{
bool changed = false;
LISTBASE_FOREACH (Sequence *, seq, seqbase) {
if (seq->type == SEQ_TYPE_META) {
if (sequencer_refresh_sound_length_recursive(bmain, scene, &seq->seqbase)) {
changed = true;
}
}
else if (seq->type == SEQ_TYPE_SOUND_RAM && seq->sound) {
SoundInfo info;
if (!BKE_sound_info_get(bmain, seq->sound, &info)) {
continue;
}
int old = seq->len;
float fac;
seq->len = MAX2(1, round((info.length - seq->sound->offset_time) * FPS));
fac = float(seq->len) / float(old);
old = seq->startofs;
seq->startofs *= fac;
seq->endofs *= fac;
seq->start += (old - seq->startofs); /* So that visual/"real" start frame does not change! */
changed = true;
}
}
return changed;
}
#endif
void SEQ_sound_update_length(Main *bmain, Scene *scene)
{
#ifdef WITH_CONVOLUTION
if (scene->ed) {
sequencer_refresh_sound_length_recursive(bmain, scene, &scene->ed->seqbase);
}
#else
UNUSED_VARS(bmain, scene);
#endif
}
void SEQ_sound_update_bounds_all(Scene *scene)
{
Editing *ed = scene->ed;
if (ed) {
LISTBASE_FOREACH (Sequence *, seq, &ed->seqbase) {
if (seq->type == SEQ_TYPE_META) {
seq_update_sound_bounds_recursive(scene, seq);
}
else if (ELEM(seq->type, SEQ_TYPE_SOUND_RAM, SEQ_TYPE_SCENE)) {
SEQ_sound_update_bounds(scene, seq);
}
}
}
}
void SEQ_sound_update_bounds(Scene *scene, Sequence *seq)
{
if (seq->type == SEQ_TYPE_SCENE) {
if (seq->scene && seq->scene_sound) {
/* We have to take into account start frame of the sequence's scene! */
int startofs = seq->startofs + seq->anim_startofs + seq->scene->r.sfra;
BKE_sound_move_scene_sound(scene,
seq->scene_sound,
SEQ_time_left_handle_frame_get(scene, seq),
SEQ_time_right_handle_frame_get(scene, seq),
startofs,
0.0);
}
}
else {
BKE_sound_move_scene_sound_defaults(scene, seq);
}
/* mute is set in seq_update_muting_recursive */
}
static void seq_update_sound_recursive(Scene *scene, ListBase *seqbasep, bSound *sound)
{
LISTBASE_FOREACH (Sequence *, seq, seqbasep) {
if (seq->type == SEQ_TYPE_META) {
seq_update_sound_recursive(scene, &seq->seqbase, sound);
}
else if (seq->type == SEQ_TYPE_SOUND_RAM) {
if (seq->scene_sound && sound == seq->sound) {
BKE_sound_update_scene_sound(seq->scene_sound, sound);
}
}
}
}
void SEQ_sound_update(Scene *scene, bSound *sound)
{
if (scene->ed) {
seq_update_sound_recursive(scene, &scene->ed->seqbase, sound);
}
}
float SEQ_sound_pitch_get(const Scene *scene, const Sequence *seq)
{
const Sequence *meta_parent = seq_sequence_lookup_meta_by_seq(scene, seq);
if (meta_parent != nullptr) {
return seq->speed_factor * SEQ_sound_pitch_get(scene, meta_parent);
}
return seq->speed_factor;
}
EQCurveMappingData *SEQ_sound_equalizer_add(SoundEqualizerModifierData *semd,
float minX,
float maxX)
{
EQCurveMappingData *eqcmd;
if (maxX < 0) {
maxX = SOUND_EQUALIZER_DEFAULT_MAX_FREQ;
}
if (minX < 0) {
minX = 0.0;
}
/* It's the same as BKE_curvemapping_add , but changing the name */
eqcmd = MEM_cnew<EQCurveMappingData>("Equalizer");
BKE_curvemapping_set_defaults(&eqcmd->curve_mapping,
1, /* Total. */
minX,
-SOUND_EQUALIZER_DEFAULT_MAX_DB, /* Min x, y */
maxX,
SOUND_EQUALIZER_DEFAULT_MAX_DB, /* Max x, y */
HD_AUTO_ANIM);
eqcmd->curve_mapping.preset = CURVE_PRESET_CONSTANT_MEDIAN;
rctf clipr;
clipr.xmin = minX;
clipr.xmax = maxX;
clipr.ymin = 0.0;
clipr.ymax = 0.0;
BKE_curvemap_reset(&eqcmd->curve_mapping.cm[0], &clipr, CURVE_PRESET_CONSTANT_MEDIAN, 0);
BLI_addtail(&semd->graphics, eqcmd);
return eqcmd;
}
void SEQ_sound_equalizermodifier_set_graphs(SoundEqualizerModifierData *semd, int number)
{
SEQ_sound_equalizermodifier_free((SequenceModifierData *)semd);
if (number == 1) {
SEQ_sound_equalizer_add(
semd, SOUND_EQUALIZER_DEFAULT_MIN_FREQ, SOUND_EQUALIZER_DEFAULT_MAX_FREQ);
}
else if (number == 2) {
SEQ_sound_equalizer_add(semd, 30.0, 2000.0);
SEQ_sound_equalizer_add(semd, 2000.1, 20000.0);
}
else if (number == 3) {
SEQ_sound_equalizer_add(semd, 30.0, 1000.0);
SEQ_sound_equalizer_add(semd, 1000.1, 5000.0);
SEQ_sound_equalizer_add(semd, 5000.1, 20000.0);
}
}
EQCurveMappingData *SEQ_sound_equalizermodifier_add_graph(SoundEqualizerModifierData *semd,
float min_freq,
float max_freq)
{
if (min_freq < 0.0) {
return nullptr;
}
if (max_freq < 0.0) {
return nullptr;
}
if (max_freq <= min_freq) {
return nullptr;
}
return SEQ_sound_equalizer_add(semd, min_freq, max_freq);
}
void SEQ_sound_equalizermodifier_remove_graph(SoundEqualizerModifierData *semd,
EQCurveMappingData *eqcmd)
{
BLI_remlink_safe(&semd->graphics, eqcmd);
MEM_freeN(eqcmd);
}
void SEQ_sound_equalizermodifier_init_data(SequenceModifierData *smd)
{
SoundEqualizerModifierData *semd = (SoundEqualizerModifierData *)smd;
SEQ_sound_equalizer_add(
semd, SOUND_EQUALIZER_DEFAULT_MIN_FREQ, SOUND_EQUALIZER_DEFAULT_MAX_FREQ);
}
void SEQ_sound_equalizermodifier_free(SequenceModifierData *smd)
{
SoundEqualizerModifierData *semd = (SoundEqualizerModifierData *)smd;
LISTBASE_FOREACH_MUTABLE (EQCurveMappingData *, eqcmd, &semd->graphics) {
BKE_curvemapping_free_data(&eqcmd->curve_mapping);
MEM_freeN(eqcmd);
}
BLI_listbase_clear(&semd->graphics);
}
void SEQ_sound_equalizermodifier_copy_data(SequenceModifierData *target, SequenceModifierData *smd)
{
SoundEqualizerModifierData *semd = (SoundEqualizerModifierData *)smd;
SoundEqualizerModifierData *semd_target = (SoundEqualizerModifierData *)target;
EQCurveMappingData *eqcmd_n;
BLI_listbase_clear(&semd_target->graphics);
LISTBASE_FOREACH (EQCurveMappingData *, eqcmd, &semd->graphics) {
eqcmd_n = static_cast<EQCurveMappingData *>(MEM_dupallocN(eqcmd));
BKE_curvemapping_copy_data(&eqcmd_n->curve_mapping, &eqcmd->curve_mapping);
eqcmd_n->next = eqcmd_n->prev = nullptr;
BLI_addtail(&semd_target->graphics, eqcmd_n);
}
}
void *SEQ_sound_equalizermodifier_recreator(Sequence *seq, SequenceModifierData *smd, void *sound)
{
#ifdef WITH_CONVOLUTION
UNUSED_VARS(seq);
SoundEqualizerModifierData *semd = (SoundEqualizerModifierData *)smd;
// No Equalizer definition
if (BLI_listbase_is_empty(&semd->graphics)) {
return sound;
}
float *buf = (float *)MEM_callocN(sizeof(float) * SOUND_EQUALIZER_SIZE_DEFINITION,
"eqrecreator");
CurveMapping *eq_mapping;
CurveMap *cm;
float minX;
float maxX;
float interval = SOUND_EQUALIZER_DEFAULT_MAX_FREQ / float(SOUND_EQUALIZER_SIZE_DEFINITION);
// Visit all equalizer definitions
LISTBASE_FOREACH (EQCurveMappingData *, mapping, &semd->graphics) {
eq_mapping = &mapping->curve_mapping;
BKE_curvemapping_init(eq_mapping);
cm = eq_mapping->cm;
minX = eq_mapping->curr.xmin;
maxX = eq_mapping->curr.xmax;
int idx = int(ceil(minX / interval));
int i = idx;
for (; i * interval <= maxX && i < SOUND_EQUALIZER_SIZE_DEFINITION; i++) {
float freq = i * interval;
float val = BKE_curvemap_evaluateF(eq_mapping, cm, freq);
if (fabs(val) > SOUND_EQUALIZER_DEFAULT_MAX_DB)
val = (val / fabs(val)) * SOUND_EQUALIZER_DEFAULT_MAX_DB;
buf[i] = val;
/* To soften lower limit, but not the first position which is the constant value */
if (i == idx && i > 2) {
buf[i - 1] = 0.5 * (buf[i] + buf[i - 1]);
}
}
/* To soften higher limit */
if (i < SOUND_EQUALIZER_SIZE_DEFINITION)
buf[i] = 0.5 * (buf[i] + buf[i - 1]);
}
AUD_Sound *equ = AUD_Sound_equalize(sound,
buf,
SOUND_EQUALIZER_SIZE_DEFINITION,
SOUND_EQUALIZER_DEFAULT_MAX_FREQ,
SOUND_EQUALIZER_SIZE_CONVERSION);
MEM_freeN(buf);
return equ;
#else
UNUSED_VARS(seq, smd, sound);
return nullptr;
#endif
}
const SoundModifierWorkerInfo *SEQ_sound_modifier_worker_info_get(int type)
{
for (int i = 0; workersSoundModifiers[i].type > 0; i++) {
if (workersSoundModifiers[i].type == type) {
return &workersSoundModifiers[i];
}
}
return nullptr;
}
void *SEQ_sound_modifier_recreator(Sequence *seq, SequenceModifierData *smd, void *sound)
{
if (!(smd->flag & SEQUENCE_MODIFIER_MUTE)) {
const SoundModifierWorkerInfo *smwi = SEQ_sound_modifier_worker_info_get(smd->type);
return smwi->recreator(seq, smd, sound);
}
return sound;
}
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