sub aom_scale_forward_decls() {
print <<EOF
struct yv12_buffer_config;
EOF
}
forward_decls qw/aom_scale_forward_decls/;

# Scaler functions
if (aom_config("CONFIG_SPATIAL_RESAMPLING") eq "yes") {
    add_proto qw/void aom_horizontal_line_5_4_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
    add_proto qw/void aom_vertical_band_5_4_scale/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
    add_proto qw/void aom_horizontal_line_5_3_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
    add_proto qw/void aom_vertical_band_5_3_scale/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
    add_proto qw/void aom_horizontal_line_2_1_scale/, "const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width";
    add_proto qw/void aom_vertical_band_2_1_scale/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
    add_proto qw/void aom_vertical_band_2_1_scale_i/, "unsigned char *source, int src_pitch, unsigned char *dest, int dest_pitch, unsigned int dest_width";
}

add_proto qw/void aom_yv12_extend_frame_borders/, "struct yv12_buffer_config *ybf";

add_proto qw/void aom_yv12_copy_frame/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc";

add_proto qw/void aom_yv12_copy_y/, "const struct yv12_buffer_config *src_ybc, struct yv12_buffer_config *dst_ybc";

add_proto qw/void aom_yv12_copy_u/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc";

add_proto qw/void aom_yv12_copy_v/, "const struct yv12_buffer_config *src_bc, struct yv12_buffer_config *dst_bc";

if (aom_config("CONFIG_AV1") eq "yes") {
    add_proto qw/void aom_extend_frame_borders/, "struct yv12_buffer_config *ybf";
    specialize qw/aom_extend_frame_borders dspr2/;

    add_proto qw/void aom_extend_frame_inner_borders/, "struct yv12_buffer_config *ybf";
    specialize qw/aom_extend_frame_inner_borders dspr2/;

    add_proto qw/void aom_extend_frame_borders_y/, "struct yv12_buffer_config *ybf";
}
1;