ref: 3e21d703ce0afc3f51ff64280896fb98d6afeae8
parent: 04a6010742b45fa0f9aef1c0f0f5ba79f24ce5e8
author: Jim Bankoski <jimbankoski@google.com>
date: Fri Oct 14 02:28:14 EDT 2016
Drop empty frames. Change-Id: I2d45a6eb3aaca97eb61e8e7ef9e5114221091244
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -3952,7 +3952,6 @@
#else
/* transform / motion compensation build reconstruction frame */
vp8_encode_frame(cpi);
-
if (cpi->oxcf.screen_content_mode == 2) {if (vp8_drop_encodedframe_overshoot(cpi, Q)) return;
}
@@ -4229,6 +4228,20 @@
#endif
}
} while (Loop == 1);
+
+#if defined(DROP_UNCODED_FRAMES)
+ /* if there are no coded macroblocks at all drop this frame */
+ if (cpi->common.MBs == cpi->mb.skip_true_count &&
+ (cpi->drop_frame_count & 7) != 7 && cm->frame_type != KEY_FRAME) {+ cpi->common.current_video_frame++;
+ cpi->frames_since_key++;
+ cpi->drop_frame_count++;
+ // We advance the temporal pattern for dropped frames.
+ cpi->temporal_pattern_counter++;
+ return;
+ }
+ cpi->drop_frame_count = 0;
+#endif
#if 0
/* Experimental code for lagged and one pass
--- a/vp8/encoder/onyx_int.h
+++ b/vp8/encoder/onyx_int.h
@@ -413,6 +413,9 @@
int drop_frames_allowed; /* Are we permitted to drop frames? */
int drop_frame; /* Drop this frame? */
+#if defined(DROP_UNCODED_FRAMES)
+ int drop_frame_count;
+#endif
vp8_prob frame_coef_probs[BLOCK_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
[ENTROPY_NODES];