Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 38 insertions, 0 deletions

diff --git a/third_party/aom/aom_scale/aom_scale_rtcd.pl b/third_party/aom/aom_scale/aom_scale_rtcd.pl
new file mode 100644
index 000000000..9d9a1a29a
--- /dev/null
+++ b/third_party/aom/aom_scale/aom_scale_rtcd.pl
@@ -0,0 +1,38 @@
+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;