av1/cx: support resize-mode in aom_codec_set_option

Exposes rc_resize_mode configuration via aom_codec_set_option("resize-mode", ...)
and adds unit test coverage in av1_key_value_api_test.

Bug: b/558826197
Change-Id: I6868c09a7146c4dc1fcc1743abb2ba51da1fcaf4

av1/av1_cx_iface.c

diff --git a/av1/av1_cx_iface.c b/av1/av1_cx_iface.c
index cced80c..030da6e 100644
--- a/av1/av1_cx_iface.c
+++ b/av1/av1_cx_iface.c
@@ -4910,6 +4910,9 @@
   } else if (arg_match_helper(&arg, &g_av1_codec_arg_defs.force_max_q, argv,
                               err_string)) {
     extra_cfg.force_max_q = arg_parse_uint_helper(&arg, err_string);
+  } else if (arg_match_helper(&arg, &g_av1_codec_arg_defs.resize_mode, argv,
+                              err_string)) {
+    ctx->cfg.rc_resize_mode = arg_parse_uint_helper(&arg, err_string);
   } else {
     match = 0;
     snprintf(err_string, ARG_ERR_MSG_MAX_LEN, "Cannot find aom option %s",

test/av1_key_value_api_test.cc

diff --git a/test/av1_key_value_api_test.cc b/test/av1_key_value_api_test.cc
index d3e9dc1..8444907 100644
--- a/test/av1_key_value_api_test.cc
+++ b/test/av1_key_value_api_test.cc
@@ -104,6 +104,7 @@
   std::make_tuple("auto-intra-tools-off", "1"),  // uint
   std::make_tuple("min-gf-interval", "10"),      // uint
   std::make_tuple("min-partition-size", "4"),    // int
+  std::make_tuple("resize-mode", "3"),           // uint
   std::make_tuple("tune", "psnr"),               // enum
 };
 
@@ -121,6 +122,7 @@
   std::make_tuple("tune", "PsnR1"),
   // out of range
   std::make_tuple("cq-level", "1000"),
+  std::make_tuple("resize-mode", "10"),
 };
 
 INSTANTIATE_TEST_SUITE_P(KeyValAPI, EncValidTest,