Remove global motion from realtime only build.

Binary size reduced from 7,038,128 to 6,997,168 (0.6%)

real time encoder is bitexact on all speeds.

Bug: aomedia:2865
Change-Id: I373bdd0830b58dbbe77a47cd4b8b6bee61faf966
diff --git a/av1/av1.cmake b/av1/av1.cmake
index 7c0b696..e028afd 100644
--- a/av1/av1.cmake
+++ b/av1/av1.cmake
@@ -456,6 +456,10 @@
                    "${AOM_ROOT}/av1/encoder/cnn.h"
                    "${AOM_ROOT}/av1/encoder/firstpass.c"
                    "${AOM_ROOT}/av1/encoder/firstpass.h"
+                   "${AOM_ROOT}/av1/encoder/global_motion.c"
+                   "${AOM_ROOT}/av1/encoder/global_motion.h"
+                   "${AOM_ROOT}/av1/encoder/global_motion_facade.c"
+                   "${AOM_ROOT}/av1/encoder/global_motion_facade.h"
                    "${AOM_ROOT}/av1/encoder/gop_structure.c"
                    "${AOM_ROOT}/av1/encoder/gop_structure.h"
                    "${AOM_ROOT}/av1/encoder/misc_model_weights.h"
diff --git a/av1/encoder/encodeframe.c b/av1/encoder/encodeframe.c
index 4aeca5d..916b1b8 100644
--- a/av1/encoder/encodeframe.c
+++ b/av1/encoder/encodeframe.c
@@ -1392,6 +1392,7 @@
   x->txfm_search_info.tx_search_count = 0;
 #endif  // CONFIG_SPEED_STATS
 
+#if !CONFIG_REALTIME_ONLY
 #if CONFIG_COLLECT_COMPONENT_TIMING
   start_timing(cpi, av1_compute_global_motion_time);
 #endif
@@ -1399,6 +1400,7 @@
 #if CONFIG_COLLECT_COMPONENT_TIMING
   end_timing(cpi, av1_compute_global_motion_time);
 #endif
+#endif  // !CONFIG_REALTIME_ONLY
 
 #if CONFIG_COLLECT_COMPONENT_TIMING
   start_timing(cpi, av1_setup_motion_field_time);
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 997e286..88fa208 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -1534,7 +1534,9 @@
   if (mt_info->num_workers > 1) {
     av1_loop_filter_dealloc(&mt_info->lf_row_sync);
     av1_loop_restoration_dealloc(&mt_info->lr_row_sync, mt_info->num_workers);
+#if !CONFIG_REALTIME_ONLY
     av1_gm_dealloc(&mt_info->gm_sync);
+#endif
   }
 
   dealloc_compressor_data(cpi);
diff --git a/av1/encoder/ethread.c b/av1/encoder/ethread.c
index 802ef53..bd7943d 100644
--- a/av1/encoder/ethread.c
+++ b/av1/encoder/ethread.c
@@ -1304,7 +1304,6 @@
   launch_enc_workers(&cpi->mt_info, num_workers);
   sync_enc_workers(&cpi->mt_info, cm, num_workers);
 }
-#endif  // !CONFIG_REALTIME_ONLY
 
 // Checks if a job is available in the current direction. If a job is available,
 // frame_idx will be populated and returns 1, else returns 0.
@@ -1525,3 +1524,4 @@
   launch_enc_workers(&cpi->mt_info, num_workers);
   sync_enc_workers(&cpi->mt_info, &cpi->common, num_workers);
 }
+#endif  // !CONFIG_REALTIME_ONLY