static void movieclip_calc_length(MovieClip *clip)
{
if (clip->source == MCLIP_SRC_MOVIE) {
movieclip_open_anim_file(clip);
if (clip->anim) {
clip->len = IMB_anim_get_duration(clip->anim, clip->proxy.tc);
}
}
else if (clip->source == MCLIP_SRC_SEQUENCE) {
unsigned short numlen;
char name[FILE_MAX], head[FILE_MAX], tail[FILE_MAX];
BLI_stringdec(clip->name, head, tail, &numlen);
if (numlen == 0) {
/* there's no number group in file name, assume it's single framed sequence */
clip->len = 1;
}
else {
clip->len = 0;
for (;;) {
get_sequence_fname(clip, clip->len + clip->start_frame, name);
if (BLI_exists(name))
clip->len++;
else
break;
}
}
}
}
static ImBuf *movieclip_load_movie_file(MovieClip *clip, MovieClipUser *user, int framenr, int flag)
{
ImBuf *ibuf = NULL;
int tc = get_timecode(clip, flag);
int proxy = rendersize_to_proxy(user, flag);
movieclip_open_anim_file(clip);
if (clip->anim) {
int dur;
int fra;
dur = IMB_anim_get_duration(clip->anim, tc);
fra = framenr - 1;
if (fra < 0)
fra = 0;
if (fra > (dur - 1))
fra = dur - 1;
ibuf = IMB_anim_absolute(clip->anim, fra, tc, proxy);
}
return ibuf;
}
static ImBuf *movieclip_load_movie_file(MovieClip *clip, MovieClipUser *user, int framenr, int flag)
{
ImBuf *ibuf = NULL;
int tc = get_timecode(clip, flag);
int proxy = rendersize_to_proxy(user, flag);
movieclip_open_anim_file(clip);
if (clip->anim) {
int fra = framenr - clip->start_frame + clip->frame_offset;
ibuf = IMB_anim_absolute(clip->anim, fra, tc, proxy);
}
return ibuf;
}
