heif_image_has_channel  644 libheif-1.3.2/libheif/heif.h int heif_image_has_channel(const struct heif_image*, enum heif_channel channel);
heif_image_has_channel  683 libheif-1.3.2/libheif/heif_cxx.h     return heif_image_has_channel(m_image.get(), channel);