363 строки
11 KiB
C++
363 строки
11 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 "third_party/googletest/src/include/gtest/gtest.h"
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#include "./vpx_config.h"
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#include "vpx_ports/mem.h"
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#include "test/codec_factory.h"
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#include "test/decode_test_driver.h"
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#include "test/encode_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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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_VP10_ENCODER
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if (CodecInterface() == &vpx_codec_vp10_cx_algo) {
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// Default to 1 tile column for VP10. With CONFIG_EXT_TILE, the
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// default is already the largest possible tile size
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#if !CONFIG_EXT_TILE
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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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#endif // !CONFIG_EXT_TILE
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} else
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#endif
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{
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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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static bool compare_plane(const uint8_t *const buf1, const int stride1,
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const uint8_t *const buf2, const int stride2,
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const int w, const int h,
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int *const mismatch_row,
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int *const mismatch_col,
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int *const mismatch_pix1,
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int *const mismatch_pix2) {
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int r, c;
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for (r = 0; r < h; ++r) {
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for (c = 0; c < w; ++c) {
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const int pix1 = buf1[r * stride1 + c];
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const int pix2 = buf2[r * stride2 + c];
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if (pix1 != pix2) {
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if (mismatch_row != NULL)
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*mismatch_row = r;
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if (mismatch_col != NULL)
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*mismatch_col = c;
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if (mismatch_pix1 != NULL)
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*mismatch_pix1 = pix1;
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if (mismatch_pix2 != NULL)
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*mismatch_pix2 = pix2;
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return false;
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}
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}
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}
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return true;
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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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int *const mismatch_row,
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int *const mismatch_col,
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int *const mismatch_plane,
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int *const mismatch_pix1,
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int *const mismatch_pix2) {
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const unsigned int w_y = img1->d_w;
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const unsigned int h_y = img1->d_h;
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const unsigned int w_uv = ROUND_POWER_OF_TWO(w_y, img1->x_chroma_shift);
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const unsigned int h_uv = ROUND_POWER_OF_TWO(h_y, img1->y_chroma_shift);
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if (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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if (mismatch_row != NULL)
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*mismatch_row = -1;
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if (mismatch_col != NULL)
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*mismatch_col = -1;
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return false;
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}
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if (!compare_plane(img1->planes[VPX_PLANE_Y], img1->stride[VPX_PLANE_Y],
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img2->planes[VPX_PLANE_Y], img2->stride[VPX_PLANE_Y],
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w_y, h_y,
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mismatch_row, mismatch_col,
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mismatch_pix1, mismatch_pix2)) {
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if (mismatch_plane != NULL)
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*mismatch_plane = VPX_PLANE_Y;
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return false;
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}
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if (!compare_plane(img1->planes[VPX_PLANE_U], img1->stride[VPX_PLANE_U],
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img2->planes[VPX_PLANE_U], img2->stride[VPX_PLANE_U],
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w_uv, h_uv,
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mismatch_row, mismatch_col,
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mismatch_pix1, mismatch_pix2)) {
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if (mismatch_plane != NULL)
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*mismatch_plane = VPX_PLANE_U;
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return false;
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}
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if (!compare_plane(img1->planes[VPX_PLANE_V], img1->stride[VPX_PLANE_V],
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img2->planes[VPX_PLANE_V], img2->stride[VPX_PLANE_V],
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w_uv, h_uv,
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mismatch_row, mismatch_col,
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mismatch_pix1, mismatch_pix2)) {
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if (mismatch_plane != NULL)
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*mismatch_plane = VPX_PLANE_U;
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return false;
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}
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return true;
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}
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void EncoderTest::MismatchHook(const vpx_image_t* img_enc,
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const vpx_image_t* img_dec) {
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int mismatch_row = 0;
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int mismatch_col = 0;
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int mismatch_plane = 0;
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int mismatch_pix_enc = 0;
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int mismatch_pix_dec = 0;
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ASSERT_FALSE(compare_img(img_enc, img_dec,
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&mismatch_row, &mismatch_col,
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&mismatch_plane,
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&mismatch_pix_enc,
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&mismatch_pix_dec));
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GTEST_FAIL()
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<< "Encode/Decode mismatch found:"
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<< std::endl
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<< " pixel value enc/dec: " << mismatch_pix_enc << "/" << mismatch_pix_dec
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<< std::endl
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<< " plane: " << mismatch_plane
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<< std::endl
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<< " row/col: " << mismatch_row << "/" << mismatch_col
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<< std::endl;
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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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testing::internal::scoped_ptr<Encoder> encoder(
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codec_->CreateEncoder(cfg_, deadline_, init_flags_, &stats_));
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ASSERT_TRUE(encoder.get() != NULL);
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ASSERT_NO_FATAL_FAILURE(video->Begin());
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encoder->InitEncoder(video);
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ASSERT_FALSE(::testing::Test::HasFatalFailure());
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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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testing::internal::scoped_ptr<Decoder> decoder(
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codec_->CreateDecoder(dec_cfg, dec_init_flags, 0));
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#if CONFIG_VP10 && CONFIG_EXT_TILE
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if (decoder->IsVP10()) {
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// Set dec_cfg.tile_row = -1 and dec_cfg.tile_col = -1 so that the whole
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// frame is decoded.
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decoder->Control(VP10_SET_DECODE_TILE_ROW, -1);
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decoder->Control(VP10_SET_DECODE_TILE_COL, -1);
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}
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#endif
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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.get());
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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.get() != NULL && 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.get()))
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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.get()))
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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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NULL, NULL, NULL, NULL, NULL);
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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 (!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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