ref: e97804c67d2b1e35d2a3e3fd5d97d46e2fea97cd
dir: /test/encode_test_driver.cc/
/* * Copyright (c) 2012 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include <string> #include "third_party/googletest/src/include/gtest/gtest.h" #include "./vpx_config.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 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(); #if CONFIG_VP9_ENCODER if (CodecInterface() == &vpx_codec_vp9_cx_algo) { // Default to 1 tile column for VP9. const int log2_tile_columns = 0; res = vpx_codec_control_(&encoder_, VP9E_SET_TILE_COLUMNS, log2_tile_columns); ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError(); } else #endif { #if CONFIG_VP8_ENCODER ASSERT_EQ(&vpx_codec_vp8_cx_algo, CodecInterface()) << "Unknown Codec Interface"; #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 vpx_codec_cx_pkt_t *pkt = iter.Next()) { if (pkt->kind != VPX_CODEC_STATS_PKT) continue; stats_->Append(*pkt); } } void Encoder::EncodeFrameInternal(const VideoSource &video, const unsigned long frame_flags) { vpx_codec_err_t res; const vpx_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 = vpx_codec_enc_config_set(&encoder_, &cfg_); ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError(); } // Encode the frame API_REGISTER_STATE_CHECK(res = vpx_codec_encode(&encoder_, img, video.pts(), video.duration(), frame_flags, deadline_)); ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError(); } void Encoder::Flush() { const vpx_codec_err_t res = vpx_codec_encode(&encoder_, NULL, 0, 0, 0, deadline_); if (!encoder_.priv) ASSERT_EQ(VPX_CODEC_ERROR, res) << EncoderError(); else ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError(); } 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); } void EncoderTest::SetMode(TestMode mode) { switch (mode) { case kRealTime: deadline_ = VPX_DL_REALTIME; break; case kOnePassGood: case kTwoPassGood: deadline_ = VPX_DL_GOOD_QUALITY; break; case kOnePassBest: case kTwoPassBest: deadline_ = VPX_DL_BEST_QUALITY; break; default: ASSERT_TRUE(false) << "Unexpected mode " << mode; } if (mode == kTwoPassGood || mode == kTwoPassBest) { passes_ = 2; } else { passes_ = 1; } } // 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 vpx_image_t *img1, const vpx_image_t *img2) { bool match = (img1->fmt == img2->fmt) && (img1->cs == img2->cs) && (img1->d_w == img2->d_w) && (img1->d_h == img2->d_h); const unsigned int width_y = img1->d_w; const unsigned int height_y = img1->d_h; unsigned int i; for (i = 0; i < height_y; ++i) { match = (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y], img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y], width_y) == 0) && match; } const unsigned int width_uv = (img1->d_w + 1) >> 1; const unsigned int height_uv = (img1->d_h + 1) >> 1; for (i = 0; i < height_uv; ++i) { match = (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U], img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U], width_uv) == 0) && match; } for (i = 0; i < height_uv; ++i) { match = (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V], img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V], width_uv) == 0) && match; } return match; } void EncoderTest::MismatchHook(const vpx_image_t * /*img1*/, const vpx_image_t * /*img2*/) { ASSERT_TRUE(0) << "Encode/Decode mismatch found"; } void EncoderTest::RunLoop(VideoSource *video) { vpx_codec_dec_cfg_t dec_cfg = vpx_codec_dec_cfg_t(); 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 = VPX_RC_ONE_PASS; } else if (pass == 0) { cfg_.g_pass = VPX_RC_FIRST_PASS; } else { cfg_.g_pass = VPX_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); 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_ & VPX_CODEC_USE_OUTPUT_PARTITION) { dec_init_flags |= VPX_CODEC_USE_INPUT_FRAGMENTS; } testing::internal::scoped_ptr<Decoder> decoder( codec_->CreateDecoder(dec_cfg, dec_init_flags)); bool again; for (again = true; again; video->Next()) { again = (video->img() != NULL); PreEncodeFrameHook(video); PreEncodeFrameHook(video, encoder.get()); encoder->EncodeFrame(video, frame_flags_); PostEncodeFrameHook(encoder.get()); CxDataIterator iter = encoder->GetCxData(); bool has_cxdata = false; bool has_dxdata = false; while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) { pkt = MutateEncoderOutputHook(pkt); again = true; switch (pkt->kind) { case VPX_CODEC_CX_FRAME_PKT: has_cxdata = true; if (decoder.get() != NULL && DoDecode()) { vpx_codec_err_t res_dec = decoder->DecodeFrame( (const uint8_t *)pkt->data.frame.buf, pkt->data.frame.sz); if (!HandleDecodeResult(res_dec, *video, decoder.get())) break; has_dxdata = true; } ASSERT_GE(pkt->data.frame.pts, last_pts_); last_pts_ = pkt->data.frame.pts; FramePktHook(pkt); break; case VPX_CODEC_PSNR_PKT: PSNRPktHook(pkt); break; case VPX_CODEC_STATS_PKT: StatsPktHook(pkt); break; default: break; } } // 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.get())) break; } if (has_dxdata && has_cxdata) { const vpx_image_t *img_enc = encoder->GetPreviewFrame(); DxDataIterator dec_iter = decoder->GetDxData(); const vpx_image_t *img_dec = dec_iter.Next(); if (img_enc && img_dec) { const bool res = compare_img(img_enc, img_dec); if (!res) { // Mismatch MismatchHook(img_enc, img_dec); } } if (img_dec) DecompressedFrameHook(*img_dec, video->pts()); } if (!Continue()) break; } EndPassHook(); if (!Continue()) break; } } } // namespace libvpx_test