libvpx: Pull from upstream

source/libvpx/test/encode_test_driver.cc

Index: source/libvpx/test/encode_test_driver.cc
===================================================================
--- source/libvpx/test/encode_test_driver.cc	(revision 293588)
+++ source/libvpx/test/encode_test_driver.cc	(working copy)
@@ -17,6 +17,21 @@
 #include "third_party/googletest/src/include/gtest/gtest.h"
 
 namespace libvpx_test {
+void Encoder::InitEncoder(VideoSource *video) {
+  vpx_codec_err_t res;
+  const vpx_image_t *img = video->img();
+
+  if (video->img() && !encoder_.priv) {
+    cfg_.g_w = img->d_w;
+    cfg_.g_h = img->d_h;
+    cfg_.g_timebase = video->timebase();
+    cfg_.rc_twopass_stats_in = stats_->buf();
+    res = vpx_codec_enc_init(&encoder_, CodecInterface(), &cfg_,
+                             init_flags_);
+    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+  }
+}
+
 void Encoder::EncodeFrame(VideoSource *video, const unsigned long frame_flags) {
   if (video->img())
     EncodeFrameInternal(*video, frame_flags);
@@ -39,17 +54,6 @@
   vpx_codec_err_t res;
   const vpx_image_t *img = video.img();
 
-  // Handle first frame initialization
-  if (!encoder_.priv) {
-    cfg_.g_w = img->d_w;
-    cfg_.g_h = img->d_h;
-    cfg_.g_timebase = video.timebase();
-    cfg_.rc_twopass_stats_in = stats_->buf();
-    res = vpx_codec_enc_init(&encoder_, CodecInterface(), &cfg_,
-                             init_flags_);
-    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
-  }
-
   // Handle frame resizing
   if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
     cfg_.g_w = img->d_w;
@@ -60,8 +64,7 @@
 
   // Encode the frame
   API_REGISTER_STATE_CHECK(
-      res = vpx_codec_encode(&encoder_,
-                             video.img(), video.pts(), video.duration(),
+      res = vpx_codec_encode(&encoder_, img, video.pts(), video.duration(),
                              frame_flags, deadline_));
   ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
 }
@@ -77,6 +80,7 @@
 
 void EncoderTest::InitializeConfig() {
   const vpx_codec_err_t res = codec_->DefaultEncoderConfig(&cfg_, 0);
+  dec_cfg_ = vpx_codec_dec_cfg_t();
   ASSERT_EQ(VPX_CODEC_OK, res);
 }
 
@@ -158,9 +162,18 @@
     Encoder* const encoder = codec_->CreateEncoder(cfg_, deadline_, init_flags_,
                                                    &stats_);
     ASSERT_TRUE(encoder != NULL);
-    Decoder* const decoder = codec_->CreateDecoder(dec_cfg, 0);
+
+    video->Begin();
+    encoder->InitEncoder(video);
+
+    unsigned long dec_init_flags = 0;  // NOLINT
+    // Use fragment decoder if encoder outputs partitions.
+    // NOTE: fragment decoder and partition encoder are only supported by VP8.
+    if (init_flags_ & VPX_CODEC_USE_OUTPUT_PARTITION)
+      dec_init_flags |= VPX_CODEC_USE_INPUT_FRAGMENTS;
+    Decoder* const decoder = codec_->CreateDecoder(dec_cfg, dec_init_flags, 0);
     bool again;
-    for (again = true, video->Begin(); again; video->Next()) {
+    for (again = true; again; video->Next()) {
       again = (video->img() != NULL);
 
       PreEncodeFrameHook(video);
@@ -200,6 +213,13 @@
         }
       }
 
+      // Flush the decoder when there are no more fragments.
+      if ((init_flags_ & VPX_CODEC_USE_OUTPUT_PARTITION) && has_dxdata) {
+        const vpx_codec_err_t res_dec = decoder->DecodeFrame(NULL, 0);
+        if (!HandleDecodeResult(res_dec, *video, decoder))
+          break;
+      }
+
       if (has_dxdata && has_cxdata) {
         const vpx_image_t *img_enc = encoder->GetPreviewFrame();
         DxDataIterator dec_iter = decoder->GetDxData();