install vpx_ext_ratectrl.h

fixes encoder detection / compile with installed headers after:
6dba0d0a0 Add callback functions for external_rate_control

Bug: webm:1707
Change-Id: I370d8c94d6f1b8201002a722077ecf6b3d8cede5
diff --git a/libs.mk b/libs.mk
index 78f2c92..d14439a 100644
--- a/libs.mk
+++ b/libs.mk
@@ -63,6 +63,7 @@
   CODEC_SRCS-yes += $(addprefix $(VP8_PREFIX),$(call enabled,VP8_CX_SRCS))
   CODEC_EXPORTS-yes += $(addprefix $(VP8_PREFIX),$(VP8_CX_EXPORTS))
   INSTALL-LIBS-yes += include/vpx/vp8.h include/vpx/vp8cx.h
+  INSTALL-LIBS-yes += include/vpx/vpx_ext_ratectrl.h
   INSTALL_MAPS += include/vpx/% $(SRC_PATH_BARE)/$(VP8_PREFIX)/%
   CODEC_DOC_SECTIONS += vp8 vp8_encoder
 endif
@@ -87,13 +88,16 @@
   CODEC_SRCS-yes += $(addprefix $(VP9_PREFIX),$(call enabled,VP9_CX_SRCS))
   CODEC_EXPORTS-yes += $(addprefix $(VP9_PREFIX),$(VP9_CX_EXPORTS))
   CODEC_SRCS-yes += $(VP9_PREFIX)vp9cx.mk vpx/vp8.h vpx/vp8cx.h
+  CODEC_SRCS-yes += vpx/vpx_ext_ratectrl.h
   INSTALL-LIBS-yes += include/vpx/vp8.h include/vpx/vp8cx.h
+  INSTALL-LIBS-yes += include/vpx/vpx_ext_ratectrl.h
   INSTALL_MAPS += include/vpx/% $(SRC_PATH_BARE)/$(VP9_PREFIX)/%
-  CODEC_DOC_SRCS += vpx/vp8.h vpx/vp8cx.h
+  CODEC_DOC_SRCS += vpx/vp8.h vpx/vp8cx.h vpx/vpx_ext_ratectrl.h
   CODEC_DOC_SECTIONS += vp9 vp9_encoder
 
   RC_RTC_SRCS := $(addprefix $(VP9_PREFIX),$(call enabled,VP9_CX_SRCS))
   RC_RTC_SRCS += $(VP9_PREFIX)vp9cx.mk vpx/vp8.h vpx/vp8cx.h
+  RC_RTC_SRCS += vpx/vpx_ext_ratectrl.h
   RC_RTC_SRCS += $(VP9_PREFIX)ratectrl_rtc.cc
   RC_RTC_SRCS += $(VP9_PREFIX)ratectrl_rtc.h
   INSTALL-SRCS-$(CONFIG_CODEC_SRCS) += $(VP9_PREFIX)ratectrl_rtc.cc
diff --git a/vpx/vpx_codec.mk b/vpx/vpx_codec.mk
index 67812f2..350dc24 100644
--- a/vpx/vpx_codec.mk
+++ b/vpx/vpx_codec.mk
@@ -24,6 +24,7 @@
 API_DOC_SRCS-yes += vpx_codec.h
 API_DOC_SRCS-yes += vpx_decoder.h
 API_DOC_SRCS-yes += vpx_encoder.h
+API_DOC_SRCS-yes += vpx_ext_ratectrl.h
 API_DOC_SRCS-yes += vpx_frame_buffer.h
 API_DOC_SRCS-yes += vpx_image.h
 
diff --git a/vpx/vpx_ext_ratectrl.h b/vpx/vpx_ext_ratectrl.h
index c464de8..940227a 100644
--- a/vpx/vpx_ext_ratectrl.h
+++ b/vpx/vpx_ext_ratectrl.h
@@ -17,6 +17,10 @@
 
 #include "./vpx_integer.h"
 
+/*!\cond
+  TODO(angiebird): document these structures and fields to clear doxygen
+  warnings.*/
+
 typedef void *vpx_rc_model_t;
 
 typedef struct vpx_rc_encodeframe_decision {
@@ -149,6 +153,10 @@
   void *priv;
 } vpx_rc_funcs_t;
 
+/*!\endcond
+  TODO(angiebird): document these structures and fields to clear doxygen
+  warnings.*/
+
 #ifdef __cplusplus
 }  // extern "C"
 #endif