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blender-archive/source/blender/sequencer/intern/sound.c

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C

/*
* 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.
*
* - Blender Foundation, 2003-2009
* - Peter Schlaile <peter [at] schlaile [dot] de> 2005/2006
*/
/** \file
* \ingroup bke
*/
#include <math.h>
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "DNA_sound_types.h"
#include "BLI_listbase.h"
#include "BKE_main.h"
#include "BKE_scene.h"
#include "BKE_sound.h"
#include "SEQ_sound.h"
#include "SEQ_time.h"
#include "strip_time.h"
/* Unlike _update_sound_ funcs, these ones take info from audaspace to update sequence length! */
#ifdef WITH_AUDASPACE
static bool sequencer_refresh_sound_length_recursive(Main *bmain, Scene *scene, ListBase *seqbase)
{
Sequence *seq;
bool changed = false;
for (seq = seqbase->first; seq; seq = seq->next) {
if (seq->type == SEQ_TYPE_META) {
if (sequencer_refresh_sound_length_recursive(bmain, scene, &seq->seqbase)) {
SEQ_time_update_sequence(scene, seq);
changed = true;
}
}
else if (seq->type == SEQ_TYPE_SOUND_RAM && seq->sound) {
const float length = BKE_sound_get_length(bmain, seq->sound);
int old = seq->len;
float fac;
seq->len = (int)ceil((double)length * 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! */
SEQ_time_update_sequence(scene, seq);
changed = true;
}
}
return changed;
}
#endif
void SEQ_sound_update_length(Main *bmain, Scene *scene)
{
#ifdef WITH_AUDASPACE
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) {
Sequence *seq;
for (seq = ed->seqbase.first; seq; seq = seq->next) {
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->startdisp, seq->enddisp, startofs);
}
}
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)
{
Sequence *seq;
for (seq = seqbasep->first; seq; seq = seq->next) {
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);
}
}