272 строки
8.2 KiB
C++
272 строки
8.2 KiB
C++
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <string>
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#include "./vpx_config.h"
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#include "test/codec_factory.h"
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#include "test/encode_test_driver.h"
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#include "test/decode_test_driver.h"
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#include "test/register_state_check.h"
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#include "test/video_source.h"
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#include "third_party/googletest/src/include/gtest/gtest.h"
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namespace libvpx_test {
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void Encoder::InitEncoder(VideoSource *video) {
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vpx_codec_err_t res;
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const vpx_image_t *img = video->img();
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if (video->img() && !encoder_.priv) {
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cfg_.g_w = img->d_w;
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cfg_.g_h = img->d_h;
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cfg_.g_timebase = video->timebase();
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cfg_.rc_twopass_stats_in = stats_->buf();
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res = vpx_codec_enc_init(&encoder_, CodecInterface(), &cfg_,
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init_flags_);
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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#if CONFIG_VP9_ENCODER
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if (CodecInterface() == &vpx_codec_vp9_cx_algo) {
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// Default to 1 tile column for VP9.
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const int log2_tile_columns = 0;
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res = vpx_codec_control_(&encoder_, VP9E_SET_TILE_COLUMNS,
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log2_tile_columns);
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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} else
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#endif
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{
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#if CONFIG_VP8_ENCODER
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ASSERT_EQ(&vpx_codec_vp8_cx_algo, CodecInterface())
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<< "Unknown Codec Interface";
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#endif
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}
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}
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}
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void Encoder::EncodeFrame(VideoSource *video, const unsigned long frame_flags) {
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if (video->img())
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EncodeFrameInternal(*video, frame_flags);
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else
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Flush();
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// Handle twopass stats
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CxDataIterator iter = GetCxData();
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while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
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if (pkt->kind != VPX_CODEC_STATS_PKT)
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continue;
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stats_->Append(*pkt);
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}
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}
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void Encoder::EncodeFrameInternal(const VideoSource &video,
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const unsigned long frame_flags) {
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vpx_codec_err_t res;
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const vpx_image_t *img = video.img();
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// Handle frame resizing
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if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
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cfg_.g_w = img->d_w;
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cfg_.g_h = img->d_h;
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res = vpx_codec_enc_config_set(&encoder_, &cfg_);
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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}
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// Encode the frame
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API_REGISTER_STATE_CHECK(
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res = vpx_codec_encode(&encoder_, img, video.pts(), video.duration(),
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frame_flags, deadline_));
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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}
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void Encoder::Flush() {
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const vpx_codec_err_t res = vpx_codec_encode(&encoder_, NULL, 0, 0, 0,
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deadline_);
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if (!encoder_.priv)
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ASSERT_EQ(VPX_CODEC_ERROR, res) << EncoderError();
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else
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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}
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void EncoderTest::InitializeConfig() {
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const vpx_codec_err_t res = codec_->DefaultEncoderConfig(&cfg_, 0);
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dec_cfg_ = vpx_codec_dec_cfg_t();
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ASSERT_EQ(VPX_CODEC_OK, res);
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}
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void EncoderTest::SetMode(TestMode mode) {
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switch (mode) {
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case kRealTime:
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deadline_ = VPX_DL_REALTIME;
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break;
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case kOnePassGood:
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case kTwoPassGood:
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deadline_ = VPX_DL_GOOD_QUALITY;
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break;
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case kOnePassBest:
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case kTwoPassBest:
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deadline_ = VPX_DL_BEST_QUALITY;
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break;
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default:
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ASSERT_TRUE(false) << "Unexpected mode " << mode;
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}
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if (mode == kTwoPassGood || mode == kTwoPassBest)
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passes_ = 2;
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else
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passes_ = 1;
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}
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// The function should return "true" most of the time, therefore no early
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// break-out is implemented within the match checking process.
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static bool compare_img(const vpx_image_t *img1,
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const vpx_image_t *img2) {
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bool match = (img1->fmt == img2->fmt) &&
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(img1->cs == img2->cs) &&
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(img1->d_w == img2->d_w) &&
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(img1->d_h == img2->d_h);
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const unsigned int width_y = img1->d_w;
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const unsigned int height_y = img1->d_h;
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unsigned int i;
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for (i = 0; i < height_y; ++i)
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match = (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
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img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
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width_y) == 0) && match;
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const unsigned int width_uv = (img1->d_w + 1) >> 1;
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const unsigned int height_uv = (img1->d_h + 1) >> 1;
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for (i = 0; i < height_uv; ++i)
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match = (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
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img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
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width_uv) == 0) && match;
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for (i = 0; i < height_uv; ++i)
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match = (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
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img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
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width_uv) == 0) && match;
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return match;
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}
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void EncoderTest::MismatchHook(const vpx_image_t* /*img1*/,
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const vpx_image_t* /*img2*/) {
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ASSERT_TRUE(0) << "Encode/Decode mismatch found";
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}
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void EncoderTest::RunLoop(VideoSource *video) {
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vpx_codec_dec_cfg_t dec_cfg = vpx_codec_dec_cfg_t();
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stats_.Reset();
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ASSERT_TRUE(passes_ == 1 || passes_ == 2);
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for (unsigned int pass = 0; pass < passes_; pass++) {
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last_pts_ = 0;
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if (passes_ == 1)
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cfg_.g_pass = VPX_RC_ONE_PASS;
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else if (pass == 0)
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cfg_.g_pass = VPX_RC_FIRST_PASS;
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else
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cfg_.g_pass = VPX_RC_LAST_PASS;
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BeginPassHook(pass);
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Encoder* const encoder = codec_->CreateEncoder(cfg_, deadline_, init_flags_,
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&stats_);
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ASSERT_TRUE(encoder != NULL);
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video->Begin();
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encoder->InitEncoder(video);
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unsigned long dec_init_flags = 0; // NOLINT
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// Use fragment decoder if encoder outputs partitions.
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// NOTE: fragment decoder and partition encoder are only supported by VP8.
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if (init_flags_ & VPX_CODEC_USE_OUTPUT_PARTITION)
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dec_init_flags |= VPX_CODEC_USE_INPUT_FRAGMENTS;
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Decoder* const decoder = codec_->CreateDecoder(dec_cfg, dec_init_flags, 0);
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bool again;
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for (again = true; again; video->Next()) {
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again = (video->img() != NULL);
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PreEncodeFrameHook(video);
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PreEncodeFrameHook(video, encoder);
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encoder->EncodeFrame(video, frame_flags_);
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CxDataIterator iter = encoder->GetCxData();
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bool has_cxdata = false;
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bool has_dxdata = false;
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while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
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pkt = MutateEncoderOutputHook(pkt);
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again = true;
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switch (pkt->kind) {
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case VPX_CODEC_CX_FRAME_PKT:
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has_cxdata = true;
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if (decoder && DoDecode()) {
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vpx_codec_err_t res_dec = decoder->DecodeFrame(
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(const uint8_t*)pkt->data.frame.buf, pkt->data.frame.sz);
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if (!HandleDecodeResult(res_dec, *video, decoder))
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break;
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has_dxdata = true;
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}
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ASSERT_GE(pkt->data.frame.pts, last_pts_);
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last_pts_ = pkt->data.frame.pts;
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FramePktHook(pkt);
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break;
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case VPX_CODEC_PSNR_PKT:
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PSNRPktHook(pkt);
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break;
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default:
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break;
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}
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}
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// Flush the decoder when there are no more fragments.
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if ((init_flags_ & VPX_CODEC_USE_OUTPUT_PARTITION) && has_dxdata) {
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const vpx_codec_err_t res_dec = decoder->DecodeFrame(NULL, 0);
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if (!HandleDecodeResult(res_dec, *video, decoder))
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break;
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}
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if (has_dxdata && has_cxdata) {
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const vpx_image_t *img_enc = encoder->GetPreviewFrame();
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DxDataIterator dec_iter = decoder->GetDxData();
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const vpx_image_t *img_dec = dec_iter.Next();
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if (img_enc && img_dec) {
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const bool res = compare_img(img_enc, img_dec);
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if (!res) { // Mismatch
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MismatchHook(img_enc, img_dec);
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}
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}
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if (img_dec)
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DecompressedFrameHook(*img_dec, video->pts());
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}
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if (!Continue())
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break;
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}
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EndPassHook();
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if (decoder)
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delete decoder;
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delete encoder;
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if (!Continue())
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break;
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}
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}
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} // namespace libvpx_test
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