Example #1
0
File: adjust.c Project: etix/vlc
static picture_t *Adjust(filter_t *filter, picture_t *pic)
{
    filter_sys_t *sys = filter->p_sys;
    vlc_vdp_video_field_t *f = pic->context;

    if (unlikely(f == NULL))
        return pic;

    f->procamp.brightness = vlc_atomic_load_float(&sys->brightness);
    f->procamp.contrast = vlc_atomic_load_float(&sys->contrast);
    f->procamp.saturation = vlc_atomic_load_float(&sys->saturation);
    f->procamp.hue = vlc_atomic_load_float(&sys->hue);

    return pic;
}
Example #2
0
static block_t *DoPitchWork( filter_t * p_filter, block_t * p_in_buf )
{
    filter_sys_t *p = p_filter->p_sys;

    float rate_shift = vlc_atomic_load_float( &p->rate_shift );

    /* Set matching rates for resampler's output and scaletempo's input */
    p->resampler->fmt_out.audio.i_rate = rate_shift;
    p_filter->fmt_in.audio.i_rate = rate_shift;

    /* Change rate, thus changing pitch */
    p_in_buf = p->resampler->pf_audio_filter( p->resampler, p_in_buf );

    /* Change tempo while preserving shifted pitch */
    return DoWork( p_filter, p_in_buf );
}
Example #3
0
static filter_t *ResamplerCreate(filter_t *p_filter)
{
    filter_t *p_resampler = vlc_object_create( p_filter, sizeof (filter_t) );
    if( unlikely( p_resampler == NULL ) )
        return NULL;

    p_resampler->owner.sys = NULL;
    p_resampler->p_cfg = NULL;
    p_resampler->fmt_in = p_filter->fmt_in;
    p_resampler->fmt_out = p_filter->fmt_in;
    p_resampler->fmt_out.audio.i_rate =
        vlc_atomic_load_float( &p_filter->p_sys->rate_shift );
    aout_FormatPrepare( &p_resampler->fmt_out.audio );
    p_resampler->p_module = module_need( p_resampler, "audio resampler", NULL,
                                         false );

    if( p_resampler->p_module == NULL )
    {
        msg_Err( p_filter, "Could not load resampler" );
        vlc_object_release( p_resampler );
        return NULL;
    }
    return p_resampler;
}