test/encode_test_driver.cc - aom - Git at Google

 /*
  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
  *
  * This source code is subject to the terms of the BSD 2 Clause License and
  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
  * was not distributed with this source code in the LICENSE file, you can
  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
  * Media Patent License 1.0 was not distributed with this source code in the
  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

 #include <string>

 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"

 #include "./aom_config.h"
 #include "aom_ports/mem.h"
 #include "test/codec_factory.h"
 #include "test/decode_test_driver.h"
 #include "test/encode_test_driver.h"
 #include "test/register_state_check.h"
 #include "test/video_source.h"

 namespace libaom_test {
 void Encoder::InitEncoder(VideoSource *video) {
   aom_codec_err_t res;
   const aom_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 = aom_codec_enc_init(&encoder_, CodecInterface(), &cfg_, init_flags_);
     ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();

 #if CONFIG_AV1_ENCODER
     if (CodecInterface() == &aom_codec_av1_cx_algo) {
 // Default to 1 tile column for AV1. With CONFIG_EXT_TILE, the
 // default is already the largest possible tile size
 #if !CONFIG_EXT_TILE
       const int log2_tile_columns = 0;
       res = aom_codec_control_(&encoder_, AV1E_SET_TILE_COLUMNS,
                                log2_tile_columns);
       ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
 #endif  // !CONFIG_EXT_TILE
     } else
 #endif
     {
     }
   }
 }

 void Encoder::EncodeFrame(VideoSource *video, const unsigned long frame_flags) {
   if (video->img())
     EncodeFrameInternal(*video, frame_flags);
   else
     Flush();

   // Handle twopass stats
   CxDataIterator iter = GetCxData();

   while (const aom_codec_cx_pkt_t *pkt = iter.Next()) {
     if (pkt->kind != AOM_CODEC_STATS_PKT) continue;

     stats_->Append(*pkt);
   }
 }

 void Encoder::EncodeFrameInternal(const VideoSource &video,
                                   const unsigned long frame_flags) {
   aom_codec_err_t res;
   const aom_image_t *img = video.img();

   // Handle frame resizing
   if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
     cfg_.g_w = img->d_w;
     cfg_.g_h = img->d_h;
     res = aom_codec_enc_config_set(&encoder_, &cfg_);
     ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
   }

   // Encode the frame
   API_REGISTER_STATE_CHECK(res = aom_codec_encode(&encoder_, img, video.pts(),
                                                   video.duration(), frame_flags,
                                                   deadline_));
   ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
 }

 void Encoder::Flush() {
   const aom_codec_err_t res =
       aom_codec_encode(&encoder_, NULL, 0, 0, 0, deadline_);
   if (!encoder_.priv)
     ASSERT_EQ(AOM_CODEC_ERROR, res) << EncoderError();
   else
     ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
 }

 void EncoderTest::InitializeConfig() {
   const aom_codec_err_t res = codec_->DefaultEncoderConfig(&cfg_, 0);
   ASSERT_EQ(AOM_CODEC_OK, res);
 }

 void EncoderTest::SetMode(TestMode mode) {
   switch (mode) {
     case kOnePassGood:
     case kTwoPassGood: deadline_ = AOM_DL_GOOD_QUALITY; break;
     case kRealTime:
       deadline_ = AOM_DL_GOOD_QUALITY;
       cfg_.g_lag_in_frames = 0;
       break;
     default: ASSERT_TRUE(false) << "Unexpected mode " << mode;
   }
   mode_ = mode;
   if (mode == kTwoPassGood)
     passes_ = 2;
   else
     passes_ = 1;
 }

 static bool compare_plane(const uint8_t *const buf1, int stride1,
                           const uint8_t *const buf2, int stride2, int w, int h,
                           int *const mismatch_row, int *const mismatch_col,
                           int *const mismatch_pix1, int *const mismatch_pix2) {
   int r, c;

   for (r = 0; r < h; ++r) {
     for (c = 0; c < w; ++c) {
       const int pix1 = buf1[r * stride1 + c];
       const int pix2 = buf2[r * stride2 + c];

       if (pix1 != pix2) {
         if (mismatch_row != NULL) *mismatch_row = r;
         if (mismatch_col != NULL) *mismatch_col = c;
         if (mismatch_pix1 != NULL) *mismatch_pix1 = pix1;
         if (mismatch_pix2 != NULL) *mismatch_pix2 = pix2;
         return false;
       }
     }
   }

   return true;
 }

 // The function should return "true" most of the time, therefore no early
 // break-out is implemented within the match checking process.
 static bool compare_img(const aom_image_t *img1, const aom_image_t *img2,
                         int *const mismatch_row, int *const mismatch_col,
                         int *const mismatch_plane, int *const mismatch_pix1,
                         int *const mismatch_pix2) {
   const unsigned int w_y = img1->d_w;
   const unsigned int h_y = img1->d_h;
   const unsigned int w_uv = ROUND_POWER_OF_TWO(w_y, img1->x_chroma_shift);
   const unsigned int h_uv = ROUND_POWER_OF_TWO(h_y, img1->y_chroma_shift);

   if (img1->fmt != img2->fmt || img1->cs != img2->cs ||
       img1->d_w != img2->d_w || img1->d_h != img2->d_h) {
     if (mismatch_row != NULL) *mismatch_row = -1;
     if (mismatch_col != NULL) *mismatch_col = -1;
     return false;
   }

   if (!compare_plane(img1->planes[AOM_PLANE_Y], img1->stride[AOM_PLANE_Y],
                      img2->planes[AOM_PLANE_Y], img2->stride[AOM_PLANE_Y], w_y,
                      h_y, mismatch_row, mismatch_col, mismatch_pix1,
                      mismatch_pix2)) {
     if (mismatch_plane != NULL) *mismatch_plane = AOM_PLANE_Y;
     return false;
   }

   if (!compare_plane(img1->planes[AOM_PLANE_U], img1->stride[AOM_PLANE_U],
                      img2->planes[AOM_PLANE_U], img2->stride[AOM_PLANE_U], w_uv,
                      h_uv, mismatch_row, mismatch_col, mismatch_pix1,
                      mismatch_pix2)) {
     if (mismatch_plane != NULL) *mismatch_plane = AOM_PLANE_U;
     return false;
   }

   if (!compare_plane(img1->planes[AOM_PLANE_V], img1->stride[AOM_PLANE_V],
                      img2->planes[AOM_PLANE_V], img2->stride[AOM_PLANE_V], w_uv,
                      h_uv, mismatch_row, mismatch_col, mismatch_pix1,
                      mismatch_pix2)) {
     if (mismatch_plane != NULL) *mismatch_plane = AOM_PLANE_U;
     return false;
   }

   return true;
 }

 void EncoderTest::MismatchHook(const aom_image_t *img_enc,
                                const aom_image_t *img_dec) {
   int mismatch_row = 0;
   int mismatch_col = 0;
   int mismatch_plane = 0;
   int mismatch_pix_enc = 0;
   int mismatch_pix_dec = 0;

   ASSERT_FALSE(compare_img(img_enc, img_dec, &mismatch_row, &mismatch_col,
                            &mismatch_plane, &mismatch_pix_enc,
                            &mismatch_pix_dec));

   GTEST_FAIL() << "Encode/Decode mismatch found:" << std::endl
                << "  pixel value enc/dec: " << mismatch_pix_enc << "/"
                << mismatch_pix_dec << std::endl
                << "                plane: " << mismatch_plane << std::endl
                << "              row/col: " << mismatch_row << "/"
                << mismatch_col << std::endl;
 }

 void EncoderTest::RunLoop(VideoSource *video) {
   aom_codec_dec_cfg_t dec_cfg = aom_codec_dec_cfg_t();
   dec_cfg.allow_lowbitdepth = 1;

   stats_.Reset();

   ASSERT_TRUE(passes_ == 1 || passes_ == 2);
   for (unsigned int pass = 0; pass < passes_; pass++) {
     last_pts_ = 0;

     if (passes_ == 1)
       cfg_.g_pass = AOM_RC_ONE_PASS;
     else if (pass == 0)
       cfg_.g_pass = AOM_RC_FIRST_PASS;
     else
       cfg_.g_pass = AOM_RC_LAST_PASS;

     BeginPassHook(pass);
     testing::internal::scoped_ptr<Encoder> encoder(
         codec_->CreateEncoder(cfg_, deadline_, init_flags_, &stats_));
     ASSERT_TRUE(encoder.get() != NULL);

     ASSERT_NO_FATAL_FAILURE(video->Begin());
     encoder->InitEncoder(video);

     if (mode_ == kRealTime) {
       encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
     }

     ASSERT_FALSE(::testing::Test::HasFatalFailure());

     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_ & AOM_CODEC_USE_OUTPUT_PARTITION)
       dec_init_flags |= AOM_CODEC_USE_INPUT_FRAGMENTS;
     testing::internal::scoped_ptr<Decoder> decoder(
         codec_->CreateDecoder(dec_cfg, dec_init_flags));
 #if CONFIG_AV1 && CONFIG_EXT_TILE
     if (decoder->IsAV1()) {
       // Set dec_cfg.tile_row = -1 and dec_cfg.tile_col = -1 so that the whole
       // frame is decoded.
       decoder->Control(AV1_SET_DECODE_TILE_ROW, -1);
       decoder->Control(AV1_SET_DECODE_TILE_COL, -1);
     }
 #endif

     bool again;
     for (again = true; again; video->Next()) {
       again = (video->img() != NULL);

       PreEncodeFrameHook(video);
       PreEncodeFrameHook(video, encoder.get());
       encoder->EncodeFrame(video, frame_flags_);

       CxDataIterator iter = encoder->GetCxData();

       bool has_cxdata = false;
       bool has_dxdata = false;
       while (const aom_codec_cx_pkt_t *pkt = iter.Next()) {
         pkt = MutateEncoderOutputHook(pkt);
         again = true;
         switch (pkt->kind) {
           case AOM_CODEC_CX_FRAME_PKT:
             has_cxdata = true;
             if (decoder.get() != NULL && DoDecode()) {
               aom_codec_err_t res_dec = decoder->DecodeFrame(
                   (const uint8_t *)pkt->data.frame.buf, pkt->data.frame.sz);

               if (!HandleDecodeResult(res_dec, decoder.get())) break;

               has_dxdata = true;
             }
             ASSERT_GE(pkt->data.frame.pts, last_pts_);
             last_pts_ = pkt->data.frame.pts;
             FramePktHook(pkt);
             break;

           case AOM_CODEC_PSNR_PKT: PSNRPktHook(pkt); break;

           default: break;
         }
       }

       // Flush the decoder when there are no more fragments.
       if ((init_flags_ & AOM_CODEC_USE_OUTPUT_PARTITION) && has_dxdata) {
         const aom_codec_err_t res_dec = decoder->DecodeFrame(NULL, 0);
         if (!HandleDecodeResult(res_dec, decoder.get())) break;
       }

       if (has_dxdata && has_cxdata) {
         const aom_image_t *img_enc = encoder->GetPreviewFrame();
         DxDataIterator dec_iter = decoder->GetDxData();
         const aom_image_t *img_dec = dec_iter.Next();
         if (img_enc && img_dec) {
           const bool res =
               compare_img(img_enc, img_dec, NULL, NULL, NULL, NULL, NULL);
           if (!res) {  // Mismatch
             MismatchHook(img_enc, img_dec);
           }
         }
         if (img_dec) DecompressedFrameHook(*img_dec, video->pts());
       }
       if (!Continue()) break;
     }

     EndPassHook();

     if (!Continue()) break;
   }
 }

 }  // namespace libaom_test
	/*
	* Copyright (c) 2016, Alliance for Open Media. All rights reserved
	*
	* This source code is subject to the terms of the BSD 2 Clause License and
	* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
	* was not distributed with this source code in the LICENSE file, you can
	* obtain it at www.aomedia.org/license/software. If the Alliance for Open
	* Media Patent License 1.0 was not distributed with this source code in the
	* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
	*/

	#include <string>

	#include "third_party/googletest/src/googletest/include/gtest/gtest.h"

	#include "./aom_config.h"
	#include "aom_ports/mem.h"
	#include "test/codec_factory.h"
	#include "test/decode_test_driver.h"
	#include "test/encode_test_driver.h"
	#include "test/register_state_check.h"
	#include "test/video_source.h"

	namespace libaom_test {
	void Encoder::InitEncoder(VideoSource *video) {
	aom_codec_err_t res;
	const aom_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 = aom_codec_enc_init(&encoder_, CodecInterface(), &cfg_, init_flags_);
	ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();

	#if CONFIG_AV1_ENCODER
	if (CodecInterface() == &aom_codec_av1_cx_algo) {
	// Default to 1 tile column for AV1. With CONFIG_EXT_TILE, the
	// default is already the largest possible tile size
	#if !CONFIG_EXT_TILE
	const int log2_tile_columns = 0;
	res = aom_codec_control_(&encoder_, AV1E_SET_TILE_COLUMNS,
	log2_tile_columns);
	ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
	#endif // !CONFIG_EXT_TILE
	} else
	#endif
	{
	}
	}
	}

	void Encoder::EncodeFrame(VideoSource *video, const unsigned long frame_flags) {
	if (video->img())
	EncodeFrameInternal(*video, frame_flags);
	else
	Flush();

	// Handle twopass stats
	CxDataIterator iter = GetCxData();

	while (const aom_codec_cx_pkt_t *pkt = iter.Next()) {
	if (pkt->kind != AOM_CODEC_STATS_PKT) continue;

	stats_->Append(*pkt);
	}
	}

	void Encoder::EncodeFrameInternal(const VideoSource &video,
	const unsigned long frame_flags) {
	aom_codec_err_t res;
	const aom_image_t *img = video.img();

	// Handle frame resizing
	if (cfg_.g_w != img->d_w \|\| cfg_.g_h != img->d_h) {
	cfg_.g_w = img->d_w;
	cfg_.g_h = img->d_h;
	res = aom_codec_enc_config_set(&encoder_, &cfg_);
	ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
	}

	// Encode the frame
	API_REGISTER_STATE_CHECK(res = aom_codec_encode(&encoder_, img, video.pts(),
	video.duration(), frame_flags,
	deadline_));
	ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
	}

	void Encoder::Flush() {
	const aom_codec_err_t res =
	aom_codec_encode(&encoder_, NULL, 0, 0, 0, deadline_);
	if (!encoder_.priv)
	ASSERT_EQ(AOM_CODEC_ERROR, res) << EncoderError();
	else
	ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
	}

	void EncoderTest::InitializeConfig() {
	const aom_codec_err_t res = codec_->DefaultEncoderConfig(&cfg_, 0);
	ASSERT_EQ(AOM_CODEC_OK, res);
	}

	void EncoderTest::SetMode(TestMode mode) {
	switch (mode) {
	case kOnePassGood:
	case kTwoPassGood: deadline_ = AOM_DL_GOOD_QUALITY; break;
	case kRealTime:
	deadline_ = AOM_DL_GOOD_QUALITY;
	cfg_.g_lag_in_frames = 0;
	break;
	default: ASSERT_TRUE(false) << "Unexpected mode " << mode;
	}
	mode_ = mode;
	if (mode == kTwoPassGood)
	passes_ = 2;
	else
	passes_ = 1;
	}

	static bool compare_plane(const uint8_t *const buf1, int stride1,
	const uint8_t *const buf2, int stride2, int w, int h,
	int const mismatch_row, int const mismatch_col,
	int const mismatch_pix1, int const mismatch_pix2) {
	int r, c;

	for (r = 0; r < h; ++r) {
	for (c = 0; c < w; ++c) {
	const int pix1 = buf1[r * stride1 + c];
	const int pix2 = buf2[r * stride2 + c];

	if (pix1 != pix2) {
	if (mismatch_row != NULL) *mismatch_row = r;
	if (mismatch_col != NULL) *mismatch_col = c;
	if (mismatch_pix1 != NULL) *mismatch_pix1 = pix1;
	if (mismatch_pix2 != NULL) *mismatch_pix2 = pix2;
	return false;
	}
	}
	}

	return true;
	}

	// The function should return "true" most of the time, therefore no early
	// break-out is implemented within the match checking process.
	static bool compare_img(const aom_image_t img1, const aom_image_t img2,
	int const mismatch_row, int const mismatch_col,
	int const mismatch_plane, int const mismatch_pix1,
	int *const mismatch_pix2) {
	const unsigned int w_y = img1->d_w;
	const unsigned int h_y = img1->d_h;
	const unsigned int w_uv = ROUND_POWER_OF_TWO(w_y, img1->x_chroma_shift);
	const unsigned int h_uv = ROUND_POWER_OF_TWO(h_y, img1->y_chroma_shift);

	if (img1->fmt != img2->fmt \|\| img1->cs != img2->cs \|\|
	img1->d_w != img2->d_w \|\| img1->d_h != img2->d_h) {
	if (mismatch_row != NULL) *mismatch_row = -1;
	if (mismatch_col != NULL) *mismatch_col = -1;
	return false;
	}

	if (!compare_plane(img1->planes[AOM_PLANE_Y], img1->stride[AOM_PLANE_Y],
	img2->planes[AOM_PLANE_Y], img2->stride[AOM_PLANE_Y], w_y,
	h_y, mismatch_row, mismatch_col, mismatch_pix1,
	mismatch_pix2)) {
	if (mismatch_plane != NULL) *mismatch_plane = AOM_PLANE_Y;
	return false;
	}

	if (!compare_plane(img1->planes[AOM_PLANE_U], img1->stride[AOM_PLANE_U],
	img2->planes[AOM_PLANE_U], img2->stride[AOM_PLANE_U], w_uv,
	h_uv, mismatch_row, mismatch_col, mismatch_pix1,
	mismatch_pix2)) {
	if (mismatch_plane != NULL) *mismatch_plane = AOM_PLANE_U;
	return false;
	}

	if (!compare_plane(img1->planes[AOM_PLANE_V], img1->stride[AOM_PLANE_V],
	img2->planes[AOM_PLANE_V], img2->stride[AOM_PLANE_V], w_uv,
	h_uv, mismatch_row, mismatch_col, mismatch_pix1,
	mismatch_pix2)) {
	if (mismatch_plane != NULL) *mismatch_plane = AOM_PLANE_U;
	return false;
	}

	return true;
	}

	void EncoderTest::MismatchHook(const aom_image_t *img_enc,
	const aom_image_t *img_dec) {
	int mismatch_row = 0;
	int mismatch_col = 0;
	int mismatch_plane = 0;
	int mismatch_pix_enc = 0;
	int mismatch_pix_dec = 0;

	ASSERT_FALSE(compare_img(img_enc, img_dec, &mismatch_row, &mismatch_col,
	&mismatch_plane, &mismatch_pix_enc,
	&mismatch_pix_dec));

	GTEST_FAIL() << "Encode/Decode mismatch found:" << std::endl
	<< " pixel value enc/dec: " << mismatch_pix_enc << "/"
	<< mismatch_pix_dec << std::endl
	<< " plane: " << mismatch_plane << std::endl
	<< " row/col: " << mismatch_row << "/"
	<< mismatch_col << std::endl;
	}

	void EncoderTest::RunLoop(VideoSource *video) {
	aom_codec_dec_cfg_t dec_cfg = aom_codec_dec_cfg_t();
	dec_cfg.allow_lowbitdepth = 1;

	stats_.Reset();

	ASSERT_TRUE(passes_ == 1 \|\| passes_ == 2);
	for (unsigned int pass = 0; pass < passes_; pass++) {
	last_pts_ = 0;

	if (passes_ == 1)
	cfg_.g_pass = AOM_RC_ONE_PASS;
	else if (pass == 0)
	cfg_.g_pass = AOM_RC_FIRST_PASS;
	else
	cfg_.g_pass = AOM_RC_LAST_PASS;

	BeginPassHook(pass);
	testing::internal::scoped_ptr<Encoder> encoder(
	codec_->CreateEncoder(cfg_, deadline_, init_flags_, &stats_));
	ASSERT_TRUE(encoder.get() != NULL);

	ASSERT_NO_FATAL_FAILURE(video->Begin());
	encoder->InitEncoder(video);

	if (mode_ == kRealTime) {
	encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
	}

	ASSERT_FALSE(::testing::Test::HasFatalFailure());

	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_ & AOM_CODEC_USE_OUTPUT_PARTITION)
	dec_init_flags \|= AOM_CODEC_USE_INPUT_FRAGMENTS;
	testing::internal::scoped_ptr<Decoder> decoder(
	codec_->CreateDecoder(dec_cfg, dec_init_flags));
	#if CONFIG_AV1 && CONFIG_EXT_TILE
	if (decoder->IsAV1()) {
	// Set dec_cfg.tile_row = -1 and dec_cfg.tile_col = -1 so that the whole
	// frame is decoded.
	decoder->Control(AV1_SET_DECODE_TILE_ROW, -1);
	decoder->Control(AV1_SET_DECODE_TILE_COL, -1);
	}
	#endif

	bool again;
	for (again = true; again; video->Next()) {
	again = (video->img() != NULL);

	PreEncodeFrameHook(video);
	PreEncodeFrameHook(video, encoder.get());
	encoder->EncodeFrame(video, frame_flags_);

	CxDataIterator iter = encoder->GetCxData();

	bool has_cxdata = false;
	bool has_dxdata = false;
	while (const aom_codec_cx_pkt_t *pkt = iter.Next()) {
	pkt = MutateEncoderOutputHook(pkt);
	again = true;
	switch (pkt->kind) {
	case AOM_CODEC_CX_FRAME_PKT:
	has_cxdata = true;
	if (decoder.get() != NULL && DoDecode()) {
	aom_codec_err_t res_dec = decoder->DecodeFrame(
	(const uint8_t *)pkt->data.frame.buf, pkt->data.frame.sz);

	if (!HandleDecodeResult(res_dec, decoder.get())) break;

	has_dxdata = true;
	}
	ASSERT_GE(pkt->data.frame.pts, last_pts_);
	last_pts_ = pkt->data.frame.pts;
	FramePktHook(pkt);
	break;

	case AOM_CODEC_PSNR_PKT: PSNRPktHook(pkt); break;

	default: break;
	}
	}

	// Flush the decoder when there are no more fragments.
	if ((init_flags_ & AOM_CODEC_USE_OUTPUT_PARTITION) && has_dxdata) {
	const aom_codec_err_t res_dec = decoder->DecodeFrame(NULL, 0);
	if (!HandleDecodeResult(res_dec, decoder.get())) break;
	}

	if (has_dxdata && has_cxdata) {
	const aom_image_t *img_enc = encoder->GetPreviewFrame();
	DxDataIterator dec_iter = decoder->GetDxData();
	const aom_image_t *img_dec = dec_iter.Next();
	if (img_enc && img_dec) {
	const bool res =
	compare_img(img_enc, img_dec, NULL, NULL, NULL, NULL, NULL);
	if (!res) { // Mismatch
	MismatchHook(img_enc, img_dec);
	}
	}
	if (img_dec) DecompressedFrameHook(*img_dec, video->pts());
	}
	if (!Continue()) break;
	}

	EndPassHook();

	if (!Continue()) break;
	}
	}

	} // namespace libaom_test