generic-library/vpx
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vpx/test/svc_test.cc
Minghai Shang e899859c48 [spatial svc]Implement alt reference frames 
All changes are for spatial svc only.
1. Enable encoding hidden frames in each layer and use alt reference idex to reference the hidden frame in each layer
2. Use golden reference idx for spatial reference
3. For those layers that don't have hidden frames (caused by lack of frame buffers), reference a hidden frame in lower layers
4. Add "auto-alt-refs" in svc options
Change-Id: Idf27d1fd2fb5f3ffd9e86d2119235e3dad36c178
2014-07-14 11:24:17 -07:00

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/*
* 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
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