ref: 3c2cd06192b2a9453d356cc90327e946bb57aced
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 "./vpx_config.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/decode_test_driver.h"
#include "test/register_state_check.h"
#include "test/video_source.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
namespace libvpx_test {
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 first frame initialization
if (!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();
}
// 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_,
video.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);
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->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);
Encoder* const encoder = codec_->CreateEncoder(cfg_, deadline_, init_flags_,
&stats_);
ASSERT_TRUE(encoder != NULL);
Decoder* const decoder = codec_->CreateDecoder(dec_cfg, 0);
bool again;
for (again = true, video->Begin(); again; video->Next()) {
again = (video->img() != NULL);
PreEncodeFrameHook(video);
PreEncodeFrameHook(video, encoder);
encoder->EncodeFrame(video, frame_flags_);
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 && 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))
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;
default:
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 (decoder)
delete decoder;
delete encoder;
if (!Continue())
break;
}
}
} // namespace libvpx_test