ref: a021924092dafc0cfc0736ba26611ad56552c57b
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 "vp9/decoder/vp9_decoder.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::DxDataIterator;
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 = vpx_codec_dec_cfg_t();
VP9CodecFactory codec_factory;
decoder_ = codec_factory.CreateDecoder(dec_cfg, 0);
}
virtual void TearDown() {
ReleaseEncoder();
delete(decoder_);
}
void InitializeEncoder() {
const vpx_codec_err_t res =
vpx_svc_init(&svc_, &codec_, vpx_codec_vp9_cx(), &codec_enc_);
EXPECT_EQ(VPX_CODEC_OK, res);
vpx_codec_control(&codec_, VP8E_SET_CPUUSED, 4); // Make the test faster
codec_initialized_ = true;
}
void ReleaseEncoder() {
vpx_svc_release(&svc_);
if (codec_initialized_) vpx_codec_destroy(&codec_);
codec_initialized_ = false;
}
void GetStatsData(std::string *const stats_buf) {
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *cx_pkt;
while ((cx_pkt = vpx_codec_get_cx_data(&codec_, &iter)) != NULL) {
if (cx_pkt->kind == VPX_CODEC_STATS_PKT) {
EXPECT_GT(cx_pkt->data.twopass_stats.sz, 0U);
ASSERT_TRUE(cx_pkt->data.twopass_stats.buf != NULL);
stats_buf->append(static_cast<char*>(cx_pkt->data.twopass_stats.buf),
cx_pkt->data.twopass_stats.sz);
}
}
}
void Pass1EncodeNFrames(const int n, const int layers,
std::string *const stats_buf) {
vpx_codec_err_t res;
ASSERT_GT(n, 0);
ASSERT_GT(layers, 0);
svc_.spatial_layers = layers;
codec_enc_.g_pass = VPX_RC_FIRST_PASS;
InitializeEncoder();
libvpx_test::I420VideoSource video(test_file_name_, kWidth, kHeight,
codec_enc_.g_timebase.den,
codec_enc_.g_timebase.num, 0, 30);
video.Begin();
for (int i = 0; i < n; ++i) {
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
GetStatsData(stats_buf);
video.Next();
}
// Flush encoder and test EOS packet.
res = vpx_svc_encode(&svc_, &codec_, NULL, video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
GetStatsData(stats_buf);
ReleaseEncoder();
}
void StoreFrames(const size_t max_frame_received,
struct vpx_fixed_buf *const outputs,
size_t *const frame_received) {
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *cx_pkt;
while ((cx_pkt = vpx_codec_get_cx_data(&codec_, &iter)) != NULL) {
if (cx_pkt->kind == VPX_CODEC_CX_FRAME_PKT) {
const size_t frame_size = cx_pkt->data.frame.sz;
EXPECT_GT(frame_size, 0U);
ASSERT_TRUE(cx_pkt->data.frame.buf != NULL);
ASSERT_LT(*frame_received, max_frame_received);
if (*frame_received == 0)
EXPECT_EQ(1, !!(cx_pkt->data.frame.flags & VPX_FRAME_IS_KEY));
outputs[*frame_received].buf = malloc(frame_size + 16);
ASSERT_TRUE(outputs[*frame_received].buf != NULL);
memcpy(outputs[*frame_received].buf, cx_pkt->data.frame.buf,
frame_size);
outputs[*frame_received].sz = frame_size;
++(*frame_received);
}
}
}
void Pass2EncodeNFrames(std::string *const stats_buf,
const int n, const int layers,
struct vpx_fixed_buf *const outputs) {
vpx_codec_err_t res;
size_t frame_received = 0;
ASSERT_TRUE(outputs != NULL);
ASSERT_GT(n, 0);
ASSERT_GT(layers, 0);
svc_.spatial_layers = layers;
codec_enc_.rc_target_bitrate = 500;
if (codec_enc_.g_pass == VPX_RC_LAST_PASS) {
ASSERT_TRUE(stats_buf != NULL);
ASSERT_GT(stats_buf->size(), 0U);
codec_enc_.rc_twopass_stats_in.buf = &(*stats_buf)[0];
codec_enc_.rc_twopass_stats_in.sz = stats_buf->size();
}
InitializeEncoder();
libvpx_test::I420VideoSource video(test_file_name_, kWidth, kHeight,
codec_enc_.g_timebase.den,
codec_enc_.g_timebase.num, 0, 30);
video.Begin();
for (int i = 0; i < n; ++i) {
res = vpx_svc_encode(&svc_, &codec_, video.img(), video.pts(),
video.duration(), VPX_DL_GOOD_QUALITY);
ASSERT_EQ(VPX_CODEC_OK, res);
StoreFrames(n, outputs, &frame_received);
video.Next();
}
// Flush encoder.
res = vpx_svc_encode(&svc_, &codec_, NULL, 0,
video.duration(), VPX_DL_GOOD_QUALITY);
EXPECT_EQ(VPX_CODEC_OK, res);
StoreFrames(n, outputs, &frame_received);
EXPECT_EQ(frame_received, static_cast<size_t>(n));
ReleaseEncoder();
}
void DecodeNFrames(const struct vpx_fixed_buf *const inputs, const int n) {
int decoded_frames = 0;
int received_frames = 0;
ASSERT_TRUE(inputs != NULL);
ASSERT_GT(n, 0);
for (int i = 0; i < n; ++i) {
ASSERT_TRUE(inputs[i].buf != NULL);
ASSERT_GT(inputs[i].sz, 0U);
const vpx_codec_err_t res_dec =
decoder_->DecodeFrame(static_cast<const uint8_t *>(inputs[i].buf),
inputs[i].sz);
ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder_->DecodeError();
++decoded_frames;
DxDataIterator dec_iter = decoder_->GetDxData();
while (dec_iter.Next() != NULL) {
++received_frames;
}
}
EXPECT_EQ(decoded_frames, n);
EXPECT_EQ(received_frames, n);
}
void DropLayersAndMakeItVP9Comaptible(struct vpx_fixed_buf *const inputs,
const int num_super_frames,
const int remained_spatial_layers,
const bool is_multiple_frame_contexts) {
ASSERT_TRUE(inputs != NULL);
ASSERT_GT(num_super_frames, 0);
ASSERT_GT(remained_spatial_layers, 0);
for (int i = 0; i < num_super_frames; ++i) {
uint32_t frame_sizes[8] = {0};
int frame_count = 0;
int frames_found = 0;
int frame;
ASSERT_TRUE(inputs[i].buf != NULL);
ASSERT_GT(inputs[i].sz, 0U);
vpx_codec_err_t res =
vp9_parse_superframe_index(static_cast<const uint8_t*>(inputs[i].buf),
inputs[i].sz, frame_sizes, &frame_count,
NULL, NULL);
ASSERT_EQ(VPX_CODEC_OK, res);
if (frame_count == 0) {
// There's no super frame but only a single frame.
ASSERT_EQ(1, remained_spatial_layers);
if (is_multiple_frame_contexts) {
// Make a new super frame.
uint8_t marker = 0xc1;
unsigned int mask;
int mag;
// Choose the magnitude.
for (mag = 0, mask = 0xff; mag < 4; ++mag) {
if (inputs[i].sz < mask)
break;
mask <<= 8;
mask |= 0xff;
}
marker |= mag << 3;
int index_sz = 2 + (mag + 1) * 2;
inputs[i].buf = realloc(inputs[i].buf, inputs[i].sz + index_sz + 16);
ASSERT_TRUE(inputs[i].buf != NULL);
uint8_t *frame_data = static_cast<uint8_t*>(inputs[i].buf);
frame_data[0] &= ~2; // Set the show_frame flag to 0.
frame_data += inputs[i].sz;
// Add an one byte frame with show_existing_frame.
*frame_data++ = 0x88;
// Write the super frame index.
*frame_data++ = marker;
frame_sizes[0] = inputs[i].sz;
frame_sizes[1] = 1;
for (int j = 0; j < 2; ++j) {
unsigned int this_sz = frame_sizes[j];
for (int k = 0; k <= mag; k++) {
*frame_data++ = this_sz & 0xff;
this_sz >>= 8;
}
}
*frame_data++ = marker;
inputs[i].sz += index_sz + 1;
}
} else {
// Found a super frame.
uint8_t *frame_data = static_cast<uint8_t*>(inputs[i].buf);
uint8_t *frame_start = frame_data;
for (frame = 0; frame < frame_count; ++frame) {
// Looking for a visible frame.
if (frame_data[0] & 0x02) {
++frames_found;
if (frames_found == remained_spatial_layers)
break;
}
frame_data += frame_sizes[frame];
}
ASSERT_LT(frame, frame_count) << "Couldn't find a visible frame. "
<< "remained_spatial_layers: " << remained_spatial_layers
<< " super_frame: " << i
<< " is_multiple_frame_context: " << is_multiple_frame_contexts;
if (frame == frame_count - 1 && !is_multiple_frame_contexts)
continue;
frame_data += frame_sizes[frame];
// We need to add one more frame for multiple frame contexts.
if (is_multiple_frame_contexts)
++frame;
uint8_t marker =
static_cast<const uint8_t*>(inputs[i].buf)[inputs[i].sz - 1];
const uint32_t mag = ((marker >> 3) & 0x3) + 1;
const size_t index_sz = 2 + mag * frame_count;
const size_t new_index_sz = 2 + mag * (frame + 1);
marker &= 0x0f8;
marker |= frame;
// Copy existing frame sizes.
memmove(frame_data + (is_multiple_frame_contexts ? 2 : 1),
frame_start + inputs[i].sz - index_sz + 1, new_index_sz - 2);
if (is_multiple_frame_contexts) {
// Add a one byte frame with flag show_existing_frame.
*frame_data++ = 0x88 | (remained_spatial_layers - 1);
}
// New marker.
frame_data[0] = marker;
frame_data += (mag * (frame + 1) + 1);
if (is_multiple_frame_contexts) {
// Write the frame size for the one byte frame.
frame_data -= mag;
*frame_data++ = 1;
for (uint32_t j = 1; j < mag; ++j) {
*frame_data++ = 0;
}
}
*frame_data++ = marker;
inputs[i].sz = frame_data - frame_start;
if (is_multiple_frame_contexts) {
// Change the show frame flag to 0 for all frames.
for (int j = 0; j < frame; ++j) {
frame_start[0] &= ~2;
frame_start += frame_sizes[j];
}
}
}
}
}
void FreeBitstreamBuffers(struct vpx_fixed_buf *const inputs, const int n) {
ASSERT_TRUE(inputs != NULL);
ASSERT_GT(n, 0);
for (int i = 0; i < n; ++i) {
free(inputs[i].buf);
inputs[i].buf = NULL;
inputs[i].sz = 0;
}
}
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
InitializeEncoder();
EXPECT_EQ(VPX_SS_DEFAULT_LAYERS, svc_.spatial_layers);
}
TEST_F(SvcTest, InitTwoLayers) {
svc_.spatial_layers = 2;
InitializeEncoder();
}
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_, "spatial-layers=3");
EXPECT_EQ(VPX_CODEC_OK, res);
InitializeEncoder();
EXPECT_EQ(3, svc_.spatial_layers);
}
TEST_F(SvcTest, SetMultipleOptions) {
vpx_codec_err_t res =
vpx_svc_set_options(&svc_, "spatial-layers=2 scale-factors=1/3,2/3");
EXPECT_EQ(VPX_CODEC_OK, res);
InitializeEncoder();
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, 3*3");
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");
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);
InitializeEncoder();
}
TEST_F(SvcTest, SetQuantizersOption) {
svc_.spatial_layers = 2;
vpx_codec_err_t res = vpx_svc_set_options(&svc_, "max-quantizers=nothing");
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_, "min-quantizers=nothing");
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_, "max-quantizers=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_options(&svc_, "min-quantizers=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_options(&svc_, "max-quantizers=30,30 min-quantizers=40,40");
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_options(&svc_, "max-quantizers=40,40 min-quantizers=30,30");
InitializeEncoder();
}
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");
InitializeEncoder();
}
// Test that decoder can handle an SVC frame as the first frame in a sequence.
TEST_F(SvcTest, OnePassEncodeOneFrame) {
codec_enc_.g_pass = VPX_RC_ONE_PASS;
vpx_fixed_buf output = {0};
Pass2EncodeNFrames(NULL, 1, 2, &output);
DecodeNFrames(&output, 1);
FreeBitstreamBuffers(&output, 1);
}
TEST_F(SvcTest, OnePassEncodeThreeFrames) {
codec_enc_.g_pass = VPX_RC_ONE_PASS;
vpx_fixed_buf outputs[3];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(NULL, 3, 2, &outputs[0]);
DecodeNFrames(&outputs[0], 3);
FreeBitstreamBuffers(&outputs[0], 3);
}
TEST_F(SvcTest, TwoPassEncode10Frames) {
// First pass encode
std::string stats_buf;
Pass1EncodeNFrames(10, 2, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 2, &outputs[0]);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest, TwoPassEncode20FramesWithAltRef) {
// First pass encode
std::string stats_buf;
Pass1EncodeNFrames(20, 2, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1");
vpx_fixed_buf outputs[20];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 20, 2, &outputs[0]);
DecodeNFrames(&outputs[0], 20);
FreeBitstreamBuffers(&outputs[0], 20);
}
TEST_F(SvcTest, TwoPassEncode2SpatialLayersDecodeBaseLayerOnly) {
// First pass encode
std::string stats_buf;
Pass1EncodeNFrames(10, 2, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 2, &outputs[0]);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 1, false);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest, TwoPassEncode5SpatialLayersDecode54321Layers) {
// First pass encode
std::string stats_buf;
Pass1EncodeNFrames(10, 5, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
vpx_svc_set_options(&svc_, "auto-alt-refs=0,1,1,1,0");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 5, &outputs[0]);
DecodeNFrames(&outputs[0], 10);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 4, false);
DecodeNFrames(&outputs[0], 10);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 3, false);
DecodeNFrames(&outputs[0], 10);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 2, false);
DecodeNFrames(&outputs[0], 10);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 1, false);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest, TwoPassEncode2SNRLayers) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1,1/1");
Pass1EncodeNFrames(20, 2, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
vpx_svc_set_options(&svc_,
"auto-alt-refs=1,1 scale-factors=1/1,1/1");
vpx_fixed_buf outputs[20];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 20, 2, &outputs[0]);
DecodeNFrames(&outputs[0], 20);
FreeBitstreamBuffers(&outputs[0], 20);
}
TEST_F(SvcTest, TwoPassEncode3SNRLayersDecode321Layers) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1,1/1,1/1");
Pass1EncodeNFrames(20, 3, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
vpx_svc_set_options(&svc_,
"auto-alt-refs=1,1,1 scale-factors=1/1,1/1,1/1");
vpx_fixed_buf outputs[20];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 20, 3, &outputs[0]);
DecodeNFrames(&outputs[0], 20);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 20, 2, false);
DecodeNFrames(&outputs[0], 20);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 20, 1, false);
DecodeNFrames(&outputs[0], 20);
FreeBitstreamBuffers(&outputs[0], 20);
}
TEST_F(SvcTest, SetMultipleFrameContextsOption) {
svc_.spatial_layers = 5;
vpx_codec_err_t res =
vpx_svc_set_options(&svc_, "multi-frame-contexts=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);
svc_.spatial_layers = 2;
res = vpx_svc_set_options(&svc_, "multi-frame-contexts=1");
InitializeEncoder();
}
TEST_F(SvcTest, TwoPassEncode2SpatialLayersWithMultipleFrameContexts) {
// First pass encode
std::string stats_buf;
Pass1EncodeNFrames(10, 2, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
codec_enc_.g_error_resilient = 0;
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1 multi-frame-contexts=1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 2, &outputs[0]);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 2, true);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest,
TwoPassEncode2SpatialLayersWithMultipleFrameContextsDecodeBaselayer) {
// First pass encode
std::string stats_buf;
Pass1EncodeNFrames(10, 2, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
codec_enc_.g_error_resilient = 0;
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1 multi-frame-contexts=1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 2, &outputs[0]);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 1, true);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest, TwoPassEncode2SNRLayersWithMultipleFrameContexts) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1,1/1");
Pass1EncodeNFrames(10, 2, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
codec_enc_.g_error_resilient = 0;
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1 scale-factors=1/1,1/1 "
"multi-frame-contexts=1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 2, &outputs[0]);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 2, true);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest,
TwoPassEncode3SNRLayersWithMultipleFrameContextsDecode321Layer) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1,1/1,1/1");
Pass1EncodeNFrames(10, 3, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
codec_enc_.g_error_resilient = 0;
vpx_svc_set_options(&svc_, "auto-alt-refs=1,1,1 scale-factors=1/1,1/1,1/1 "
"multi-frame-contexts=1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 3, &outputs[0]);
vpx_fixed_buf outputs_new[10];
for (int i = 0; i < 10; ++i) {
outputs_new[i].buf = malloc(outputs[i].sz + 16);
ASSERT_TRUE(outputs_new[i].buf != NULL);
memcpy(outputs_new[i].buf, outputs[i].buf, outputs[i].sz);
outputs_new[i].sz = outputs[i].sz;
}
DropLayersAndMakeItVP9Comaptible(&outputs_new[0], 10, 3, true);
DecodeNFrames(&outputs_new[0], 10);
for (int i = 0; i < 10; ++i) {
memcpy(outputs_new[i].buf, outputs[i].buf, outputs[i].sz);
outputs_new[i].sz = outputs[i].sz;
}
DropLayersAndMakeItVP9Comaptible(&outputs_new[0], 10, 2, true);
DecodeNFrames(&outputs_new[0], 10);
for (int i = 0; i < 10; ++i) {
memcpy(outputs_new[i].buf, outputs[i].buf, outputs[i].sz);
outputs_new[i].sz = outputs[i].sz;
}
DropLayersAndMakeItVP9Comaptible(&outputs_new[0], 10, 1, true);
DecodeNFrames(&outputs_new[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
FreeBitstreamBuffers(&outputs_new[0], 10);
}
TEST_F(SvcTest, TwoPassEncode2TemporalLayers) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1");
svc_.temporal_layers = 2;
Pass1EncodeNFrames(10, 1, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
svc_.temporal_layers = 2;
vpx_svc_set_options(&svc_, "auto-alt-refs=1 scale-factors=1/1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 1, &outputs[0]);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest, TwoPassEncode2TemporalLayersWithMultipleFrameContexts) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1");
svc_.temporal_layers = 2;
Pass1EncodeNFrames(10, 1, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
svc_.temporal_layers = 2;
codec_enc_.g_error_resilient = 0;
vpx_svc_set_options(&svc_, "auto-alt-refs=1 scale-factors=1/1 "
"multi-frame-contexts=1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 1, &outputs[0]);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 1, true);
DecodeNFrames(&outputs[0], 10);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest, TwoPassEncode2TemporalLayersDecodeBaseLayer) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1");
svc_.temporal_layers = 2;
Pass1EncodeNFrames(10, 1, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
svc_.temporal_layers = 2;
vpx_svc_set_options(&svc_, "auto-alt-refs=1 scale-factors=1/1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 1, &outputs[0]);
vpx_fixed_buf base_layer[5];
for (int i = 0; i < 5; ++i)
base_layer[i] = outputs[i * 2];
DecodeNFrames(&base_layer[0], 5);
FreeBitstreamBuffers(&outputs[0], 10);
}
TEST_F(SvcTest,
TwoPassEncode2TemporalLayersWithMultipleFrameContextsDecodeBaseLayer) {
// First pass encode
std::string stats_buf;
vpx_svc_set_options(&svc_, "scale-factors=1/1");
svc_.temporal_layers = 2;
Pass1EncodeNFrames(10, 1, &stats_buf);
// Second pass encode
codec_enc_.g_pass = VPX_RC_LAST_PASS;
svc_.temporal_layers = 2;
codec_enc_.g_error_resilient = 0;
vpx_svc_set_options(&svc_, "auto-alt-refs=1 scale-factors=1/1 "
"multi-frame-contexts=1");
vpx_fixed_buf outputs[10];
memset(&outputs[0], 0, sizeof(outputs));
Pass2EncodeNFrames(&stats_buf, 10, 1, &outputs[0]);
DropLayersAndMakeItVP9Comaptible(&outputs[0], 10, 1, true);
vpx_fixed_buf base_layer[5];
for (int i = 0; i < 5; ++i)
base_layer[i] = outputs[i * 2];
DecodeNFrames(&base_layer[0], 5);
FreeBitstreamBuffers(&outputs[0], 10);
}
} // namespace