diff options
Diffstat (limited to 'source/blender/src/seqeffects.c')
| -rw-r--r-- | source/blender/src/seqeffects.c | 162 |
1 files changed, 160 insertions, 2 deletions
diff --git a/source/blender/src/seqeffects.c b/source/blender/src/seqeffects.c index 9196f02c28b..3a0adfdaa39 100644 --- a/source/blender/src/seqeffects.c +++ b/source/blender/src/seqeffects.c @@ -743,6 +743,8 @@ void do_cross_effect_float(float facf0, float facf1, int x, int y, } } +/* carefull: also used by speed effect! */ + static void do_cross_effect(Sequence * seq,int cfra, float facf0, float facf1, int x, int y, struct ImBuf *ibuf1, struct ImBuf *ibuf2, @@ -2786,6 +2788,154 @@ static void do_solid_color(Sequence * seq,int cfra, } /* ********************************************************************** + SPEED + ********************************************************************** */ +static void init_speed_effect(Sequence *seq) +{ + SpeedControlVars * v; + + if(seq->effectdata) MEM_freeN(seq->effectdata); + seq->effectdata = MEM_callocN(sizeof(struct SpeedControlVars), + "speedcontrolvars"); + + v = (SpeedControlVars *)seq->effectdata; + v->globalSpeed = 1.0; + v->frameMap = 0; + v->flags = SEQ_SPEED_COMPRESS_IPO_Y; + v->length = 0; +} + +static void load_speed_effect(Sequence * seq) +{ + SpeedControlVars * v = (SpeedControlVars *)seq->effectdata; + + v->frameMap = 0; + v->length = 0; +} + +static int num_inputs_speed() +{ + return 1; +} + +static void free_speed_effect(Sequence *seq) +{ + SpeedControlVars * v = (SpeedControlVars *)seq->effectdata; + if(v->frameMap) MEM_freeN(v->frameMap); + if(seq->effectdata) MEM_freeN(seq->effectdata); + seq->effectdata = 0; +} + +static void copy_speed_effect(Sequence *dst, Sequence *src) +{ + dst->effectdata = MEM_dupallocN(src->effectdata); +} + +static int early_out_speed(struct Sequence *seq, + float facf0, float facf1) +{ + return 1; +} + +void sequence_effect_speed_rebuild_map(struct Sequence * seq, int force) +{ + float facf0 = seq->facf0; + float ctime, div; + int cfra; + SpeedControlVars * v = (SpeedControlVars *)seq->effectdata; + + /* if not already done, load / initialize data */ + get_sequence_effect(seq); + + if (!(force || seq->len != v->length || !v->frameMap)) { + return; + } + + if (!v->frameMap || v->length != seq->len) { + if (v->frameMap) MEM_freeN(v->frameMap); + + v->length = seq->len; + + v->frameMap = MEM_callocN(sizeof(float) * v->length, + "speedcontrol frameMap"); + } + if ((v->flags & SEQ_SPEED_INTEGRATE) != 0) { + float cursor = 0; + + for (cfra = 0; cfra < v->length; cfra++) { + if(seq->ipo) { + if((seq->flag & SEQ_IPO_FRAME_LOCKED) != 0) { + ctime = frame_to_float(seq->startdisp + + cfra); + div = 1.0; + } else { + ctime= frame_to_float(cfra); + div= v->length / 100.0f; + if(div==0.0) return; + } + + calc_ipo(seq->ipo, ctime/div); + execute_ipo((ID *)seq, seq->ipo); + } else { + seq->facf0 = 1.0; + } + seq->facf0 *= v->globalSpeed; + + cursor += seq->facf0; + + if (cursor >= v->length) { + v->frameMap[cfra] = v->length - 1; + } else { + v->frameMap[cfra] = cursor; + } + } + } else { + for (cfra = 0; cfra < v->length; cfra++) { + if(seq->ipo) { + if((seq->flag & SEQ_IPO_FRAME_LOCKED) != 0) { + ctime = frame_to_float(seq->startdisp + + cfra); + div = 1.0; + } else { + ctime= frame_to_float(cfra); + div= v->length / 100.0f; + if(div==0.0) return; + } + + calc_ipo(seq->ipo, ctime/div); + execute_ipo((ID *)seq, seq->ipo); + } + + if (v->flags & SEQ_SPEED_COMPRESS_IPO_Y) { + seq->facf0 *= v->length; + } + if (!seq->ipo) { + seq->facf0 = cfra; + } + seq->facf0 *= v->globalSpeed; + if (seq->facf0 >= v->length) { + seq->facf0 = v->length - 1; + } + v->frameMap[cfra] = seq->facf0; + } + } + seq->facf0 = facf0; +} + +/* + simply reuse do_cross_effect for blending... + +static void do_speed_effect(Sequence * seq,int cfra, + float facf0, float facf1, int x, int y, + struct ImBuf *ibuf1, struct ImBuf *ibuf2, + struct ImBuf *ibuf3, struct ImBuf *out) +{ + +} +*/ + + +/* ********************************************************************** sequence effect factory ********************************************************************** */ @@ -2944,6 +3094,15 @@ static struct SeqEffectHandle get_sequence_effect_impl(int seq_type) rval.copy = copy_transform_effect; rval.execute = do_transform_effect; break; + case SEQ_SPEED: + rval.init = init_speed_effect; + rval.num_inputs = num_inputs_speed; + rval.load = load_speed_effect; + rval.free = free_speed_effect; + rval.copy = copy_speed_effect; + rval.execute = do_cross_effect; + rval.early_out = early_out_speed; + break; case SEQ_COLOR: rval.init = init_solid_color; rval.num_inputs = num_inputs_color; @@ -2952,7 +3111,6 @@ static struct SeqEffectHandle get_sequence_effect_impl(int seq_type) rval.copy = copy_solid_color; rval.execute = do_solid_color; break; - case SEQ_PLUGIN: rval.init_plugin = init_plugin; rval.num_inputs = num_inputs_plugin; @@ -2973,7 +3131,7 @@ struct SeqEffectHandle get_sequence_effect(Sequence * seq) { struct SeqEffectHandle rval = get_sequence_effect_impl(seq->type); - if (seq->flag & SEQ_EFFECT_NOT_LOADED) { + if ((seq->flag & SEQ_EFFECT_NOT_LOADED) != 0) { rval.load(seq); seq->flag &= ~SEQ_EFFECT_NOT_LOADED; } |