static int winding_quad(const SkPoint pts[], SkScalar x, SkScalar y) {
SkPoint dst[5];
int n = 0;
if (!is_mono(pts[0].fY, pts[1].fY, pts[2].fY)) {
n = SkChopQuadAtYExtrema(pts, dst);
pts = dst;
}
int w = winding_mono_quad(pts, x, y);
if (n > 0) {
w += winding_mono_quad(&pts[2], x, y);
}
return w;
}
void hb_audio_resample_set_channel_layout(hb_audio_resample_t *resample,
uint64_t channel_layout)
{
if (resample != NULL)
{
if (channel_layout == AV_CH_LAYOUT_STEREO_DOWNMIX)
{
// Dolby Surround is Stereo when it comes to remixing
channel_layout = AV_CH_LAYOUT_STEREO;
}
// swresample can't remap a single-channel layout to
// another single-channel layout
if (resample->out.channel_layout == AV_CH_LAYOUT_MONO &&
is_mono(channel_layout))
{
channel_layout = AV_CH_LAYOUT_MONO;
}
resample->in.channel_layout = channel_layout;
}
}
bool Audio::is_stereo(Encoding encoding)
{
return !is_mono(encoding);
}
