ref: 3e2c6e2a63092630656c21ab9727454300bb6cef
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 <memory>
#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);
if (!match) return false;
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);
std::unique_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;
}
std::unique_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()) {
PreDecodeFrameHook(video, decoder.get());
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