ref: 45d12e0bd3ce067398f112041ac61d0bfe99b429
dir: /test/svc_test.cc/
/*
* Copyright (c) 2013 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 "test/codec_factory.h"
#include "test/decode_test_driver.h"
#include "test/i420_video_source.h"
#include "vpx/svc_context.h"
#include "vpx/vp8cx.h"
#include "vpx/vpx_encoder.h"
namespace {
using libvpx_test::CodecFactory;
using libvpx_test::Decoder;
using libvpx_test::VP9CodecFactory;
class SvcTest : public ::testing::Test {
protected:
static const uint32_t kWidth = 352;
static const uint32_t kHeight = 288;
SvcTest()
: codec_iface_(0),
test_file_name_("hantro_collage_w352h288.yuv"),
codec_initialized_(false),
decoder_(0) {
memset(&svc_, 0, sizeof(svc_));
memset(&codec_, 0, sizeof(codec_));
memset(&codec_enc_, 0, sizeof(codec_enc_));
}
virtual ~SvcTest() {}
virtual void SetUp() {
svc_.log_level = SVC_LOG_DEBUG;
svc_.log_print = 0;
codec_iface_ = vpx_codec_vp9_cx();
const vpx_codec_err_t res =
vpx_codec_enc_config_default(codec_iface_, &codec_enc_, 0);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_enc_.g_w = kWidth;
codec_enc_.g_h = kHeight;
codec_enc_.g_timebase.num = 1;
codec_enc_.g_timebase.den = 60;
codec_enc_.kf_min_dist = 100;
codec_enc_.kf_max_dist = 100;
vpx_codec_dec_cfg_t dec_cfg = {0};
VP9CodecFactory codec_factory;
decoder_ = codec_factory.CreateDecoder(dec_cfg, 0);
}
virtual void TearDown() {
vpx_svc_release(&svc_);
delete(decoder_);
if (codec_initialized_) vpx_codec_destroy(&codec_);
}
SvcContext svc_;
vpx_codec_ctx_t codec_;
struct vpx_codec_enc_cfg codec_enc_;
vpx_codec_iface_t *codec_iface_;
std::string test_file_name_;
bool codec_initialized_;
Decoder *decoder_;
};
TEST_F(SvcTest, SvcInit) {
// test missing parameters
vpx_codec_err_t res = vpx_svc_init(NULL, &codec_, codec_iface_, &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_init(&svc_, NULL, codec_iface_, &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_init(&svc_, &codec_, NULL, &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_init(&svc_, &codec_, codec_iface_, NULL);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
svc_.spatial_layers = 6; // too many layers
res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
svc_.spatial_layers = 0; // use default layers
res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
EXPECT_EQ(VPX_SS_DEFAULT_LAYERS, svc_.spatial_layers);
}
TEST_F(SvcTest, InitTwoLayers) {
svc_.spatial_layers = 2;
vpx_svc_set_scale_factors(&svc_, "4/16,16*16"); // invalid scale values
vpx_codec_err_t res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
vpx_svc_set_scale_factors(&svc_, "4/16,16/16"); // valid scale values
res = vpx_svc_init(&svc_, &codec_, codec_iface_, &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
}
TEST_F(SvcTest, InvalidOptions) {
vpx_codec_err_t res = vpx_svc_set_options(&svc_, NULL);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_set_options(&svc_, "not-an-option=1");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
}
TEST_F(SvcTest, SetLayersOption) {
vpx_codec_err_t res = vpx_svc_set_options(&svc_, "layers=3");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
EXPECT_EQ(3, svc_.spatial_layers);
}
TEST_F(SvcTest, SetMultipleOptions) {
vpx_codec_err_t res =
vpx_svc_set_options(&svc_, "layers=2 scale-factors=1/3,2/3");
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
EXPECT_EQ(2, svc_.spatial_layers);
}
TEST_F(SvcTest, SetScaleFactorsOption) {
svc_.spatial_layers = 2;
vpx_codec_err_t res =
vpx_svc_set_options(&svc_, "scale-factors=not-scale-factors");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_set_options(&svc_, "scale-factors=1/3,2/3");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
}
TEST_F(SvcTest, SetQuantizersOption) {
svc_.spatial_layers = 2;
vpx_codec_err_t res = vpx_svc_set_options(&svc_, "quantizers=not-quantizers");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
vpx_svc_set_options(&svc_, "quantizers=40,45");
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
}
TEST_F(SvcTest, SetAutoAltRefOption) {
svc_.spatial_layers = 5;
vpx_codec_err_t res = vpx_svc_set_options(&svc_, "auto-alt-refs=none");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_set_options(&svc_, "auto-alt-refs=1,1,1,1,0");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
vpx_svc_set_options(&svc_, "auto-alt-refs=0,1,1,1,0");
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
}
TEST_F(SvcTest, SetQuantizers) {
vpx_codec_err_t res = vpx_svc_set_quantizers(NULL, "40,30");
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_set_quantizers(&svc_, NULL);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
svc_.spatial_layers = 2;
res = vpx_svc_set_quantizers(&svc_, "40");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_set_quantizers(&svc_, "40,30");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
}
TEST_F(SvcTest, SetScaleFactors) {
vpx_codec_err_t res = vpx_svc_set_scale_factors(NULL, "4/16,16/16");
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_set_scale_factors(&svc_, NULL);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
svc_.spatial_layers = 2;
res = vpx_svc_set_scale_factors(&svc_, "4/16");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
EXPECT_EQ(VPX_CODEC_OK, res);
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
}
// Test that decoder can handle an SVC frame as the first frame in a sequence.
TEST_F(SvcTest, FirstFrameHasLayers) {
svc_.spatial_layers = 2;
vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
vpx_svc_set_quantizers(&svc_, "40,30");
vpx_codec_err_t res =
vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
libvpx_test::I420VideoSource video(test_file_name_, kWidth, kHeight,
codec_enc_.g_timebase.den,
codec_enc_.g_timebase.num, 0, 30);
video.Begin();
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
EXPECT_EQ(VPX_CODEC_OK, res);
if (vpx_svc_get_frame_size(&svc_) == 0) {
// Flush encoder
res = vpx_svc_encode(&svc_, &codec_, NULL, 0,
video.duration(), VPX_DL_GOOD_QUALITY);
EXPECT_EQ(VPX_CODEC_OK, res);
}
int frame_size = vpx_svc_get_frame_size(&svc_);
EXPECT_GT(frame_size, 0);
const vpx_codec_err_t res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
// this test fails with a decoder error
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
}
TEST_F(SvcTest, EncodeThreeFrames) {
svc_.spatial_layers = 2;
vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
vpx_svc_set_quantizers(&svc_, "40,30");
int decoded_frames = 0;
vpx_codec_err_t res_dec;
int frame_size;
vpx_codec_err_t res =
vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
ASSERT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
libvpx_test::I420VideoSource video(test_file_name_, kWidth, kHeight,
codec_enc_.g_timebase.den,
codec_enc_.g_timebase.num, 0, 30);
// FRAME 0
video.Begin();
// This frame is a keyframe.
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
if ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
// FRAME 1
video.Next();
// This is a P-frame.
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
if ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
// FRAME 2
video.Next();
// This is a P-frame.
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
if ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
// Flush encoder
res = vpx_svc_encode(&svc_, &codec_, NULL, 0,
video.duration(), VPX_DL_GOOD_QUALITY);
EXPECT_EQ(VPX_CODEC_OK, res);
while ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
EXPECT_EQ(decoded_frames, 3);
}
TEST_F(SvcTest, GetLayerResolution) {
svc_.spatial_layers = 2;
vpx_svc_set_scale_factors(&svc_, "4/16,8/16");
vpx_svc_set_quantizers(&svc_, "40,30");
vpx_codec_err_t res =
vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
// ensure that requested layer is a valid layer
uint32_t layer_width, layer_height;
res = vpx_svc_get_layer_resolution(&svc_, svc_.spatial_layers,
&layer_width, &layer_height);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_get_layer_resolution(NULL, 0, &layer_width, &layer_height);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_get_layer_resolution(&svc_, 0, NULL, &layer_height);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_get_layer_resolution(&svc_, 0, &layer_width, NULL);
EXPECT_EQ(VPX_CODEC_INVALID_PARAM, res);
res = vpx_svc_get_layer_resolution(&svc_, 0, &layer_width, &layer_height);
EXPECT_EQ(VPX_CODEC_OK, res);
EXPECT_EQ(kWidth * 4 / 16, layer_width);
EXPECT_EQ(kHeight * 4 / 16, layer_height);
res = vpx_svc_get_layer_resolution(&svc_, 1, &layer_width, &layer_height);
EXPECT_EQ(VPX_CODEC_OK, res);
EXPECT_EQ(kWidth * 8 / 16, layer_width);
EXPECT_EQ(kHeight * 8 / 16, layer_height);
}
TEST_F(SvcTest, TwoPassEncode) {
// First pass encode
std::string stats_buf;
svc_.spatial_layers = 2;
codec_enc_.g_pass = VPX_RC_FIRST_PASS;
vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
vpx_svc_set_quantizers(&svc_, "40,30");
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1");
vpx_codec_err_t res =
vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
ASSERT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
libvpx_test::I420VideoSource video(test_file_name_, kWidth, kHeight,
codec_enc_.g_timebase.den,
codec_enc_.g_timebase.num, 0, 30);
// FRAME 0
video.Begin();
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
size_t stats_size = vpx_svc_get_rc_stats_buffer_size(&svc_);
EXPECT_GT(stats_size, 0U);
const char *stats_data = vpx_svc_get_rc_stats_buffer(&svc_);
ASSERT_TRUE(stats_data != NULL);
stats_buf.append(stats_data, stats_size);
// FRAME 1
video.Next();
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
stats_size = vpx_svc_get_rc_stats_buffer_size(&svc_);
EXPECT_GT(stats_size, 0U);
stats_data = vpx_svc_get_rc_stats_buffer(&svc_);
ASSERT_TRUE(stats_data != NULL);
stats_buf.append(stats_data, stats_size);
// Flush encoder and test EOS packet
res = vpx_svc_encode(&svc_, &codec_, NULL, video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
stats_size = vpx_svc_get_rc_stats_buffer_size(&svc_);
EXPECT_GT(stats_size, 0U);
stats_data = vpx_svc_get_rc_stats_buffer(&svc_);
ASSERT_TRUE(stats_data != NULL);
stats_buf.append(stats_data, stats_size);
// Tear down encoder
vpx_svc_release(&svc_);
vpx_codec_destroy(&codec_);
// Second pass encode
int decoded_frames = 0;
vpx_codec_err_t res_dec;
int frame_size;
codec_enc_.g_pass = VPX_RC_LAST_PASS;
vpx_svc_set_scale_factors(&svc_, "4/16,16/16");
vpx_svc_set_quantizers(&svc_, "40,30");
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1");
codec_enc_.rc_twopass_stats_in.buf = &stats_buf[0];
codec_enc_.rc_twopass_stats_in.sz = stats_buf.size();
res = vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
ASSERT_EQ(VPX_CODEC_OK, res);
codec_initialized_ = true;
// FRAME 0
video.Begin();
// This frame is a keyframe.
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
if ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
// FRAME 1
video.Next();
// This is a P-frame.
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
if ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
// FRAME 2
video.Next();
// This is a P-frame.
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
if ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
// Flush encoder
res = vpx_svc_encode(&svc_, &codec_, NULL, 0,
video.duration(), VPX_DL_GOOD_QUALITY);
EXPECT_EQ(VPX_CODEC_OK, res);
while ((frame_size = vpx_svc_get_frame_size(&svc_)) > 0) {
EXPECT_EQ((decoded_frames == 0), vpx_svc_is_keyframe(&svc_));
res_dec = decoder_->DecodeFrame(
static_cast<const uint8_t *>(vpx_svc_get_buffer(&svc_)), frame_size);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
}
EXPECT_EQ(decoded_frames, 3);
}
} // namespace