Skip frame bit-stream writing for show-existing frame

Make the bit-stream writer match the decoder behavior, when the
show existing frame feature is used.

Change-Id: Ibc8153f8668da0f9a2ed8af3b42dae91a5ac08c7

diff --git a/vp9/encoder/vp9_bitstream.c b/vp9/encoder/vp9_bitstream.c
index 9f39c189b1d5e2fb5b7ef1221811b8209991bce9..79fc160c12cf658eb7413339e196d0258c6b9111 100644 (file)
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -1340,6 +1340,10 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, size_t *size) {
   struct vpx_write_bit_buffer saved_wb;
 
   write_uncompressed_header(cpi, &wb);
+
+  // Skip the rest coding process if use show existing frame.
+  if (cpi->common.show_existing_frame) return;
+
   saved_wb = wb;
   vpx_wb_write_literal(&wb, 0, 16);  // don't know in advance first part. size