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/*
* Copyright (c) 2021 The WebRTC 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 "modules/video_coding/utility/qp_parser.h"
#include <stddef.h>
#include "test/gtest.h"
namespace webrtc {
namespace {
// ffmpeg -s 16x16 -f rawvideo -pix_fmt rgb24 -r 30 -i /dev/zero -c:v libvpx
// -qmin 20 -qmax 20 -crf 20 -frames:v 1 -y out.ivf
const uint8_t kCodedFrameVp8Qp25[] = {
0x10, 0x02, 0x00, 0x9d, 0x01, 0x2a, 0x10, 0x00, 0x10, 0x00,
0x02, 0x47, 0x08, 0x85, 0x85, 0x88, 0x85, 0x84, 0x88, 0x0c,
0x82, 0x00, 0x0c, 0x0d, 0x60, 0x00, 0xfe, 0xfc, 0x5c, 0xd0};
// ffmpeg -s 16x16 -f rawvideo -pix_fmt rgb24 -r 30 -i /dev/zero -c:v libvpx-vp9
// -qmin 24 -qmax 24 -crf 24 -frames:v 1 -y out.ivf
const uint8_t kCodedFrameVp9Qp96[] = {
0xa2, 0x49, 0x83, 0x42, 0xe0, 0x00, 0xf0, 0x00, 0xf6, 0x00,
0x38, 0x24, 0x1c, 0x18, 0xc0, 0x00, 0x00, 0x30, 0x70, 0x00,
0x00, 0x4a, 0xa7, 0xff, 0xfc, 0xb9, 0x01, 0xbf, 0xff, 0xff,
0x97, 0x20, 0xdb, 0xff, 0xff, 0xcb, 0x90, 0x5d, 0x40};
// ffmpeg -s 16x16 -f rawvideo -pix_fmt yuv420p -r 30 -i /dev/zero -c:v libx264
// -qmin 38 -qmax 38 -crf 38 -profile:v baseline -frames:v 2 -y out.264
const uint8_t kCodedFrameH264SpsPpsIdrQp38[] = {
0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0xc0, 0x0a, 0xd9, 0x1e, 0x84,
0x00, 0x00, 0x03, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0xf0, 0x3c,
0x48, 0x99, 0x20, 0x00, 0x00, 0x00, 0x01, 0x68, 0xcb, 0x80, 0xc4,
0xb2, 0x00, 0x00, 0x01, 0x65, 0x88, 0x84, 0xf1, 0x18, 0xa0, 0x00,
0x20, 0x5b, 0x1c, 0x00, 0x04, 0x07, 0xe3, 0x80, 0x00, 0x80, 0xfe};
const uint8_t kCodedFrameH264SpsPpsIdrQp49[] = {
0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0xc0, 0x0a, 0xd9, 0x1e, 0x84,
0x00, 0x00, 0x03, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0xf0, 0x3c,
0x48, 0x99, 0x20, 0x00, 0x00, 0x00, 0x01, 0x68, 0xcb, 0x80, 0x5d,
0x2c, 0x80, 0x00, 0x00, 0x01, 0x65, 0x88, 0x84, 0xf1, 0x18, 0xa0,
0x00, 0x5e, 0x38, 0x00, 0x08, 0x03, 0xc7, 0x00, 0x01, 0x00, 0x7c};
const uint8_t kCodedFrameH264InterSliceQpDelta0[] = {0x00, 0x00, 0x00, 0x01,
0x41, 0x9a, 0x39, 0xea};
} // namespace
TEST(QpParserTest, ParseQpVp8) {
QpParser parser;
absl::optional<uint32_t> qp = parser.Parse(
kVideoCodecVP8, 0, kCodedFrameVp8Qp25, sizeof(kCodedFrameVp8Qp25));
EXPECT_EQ(qp, 25u);
}
TEST(QpParserTest, ParseQpVp9) {
QpParser parser;
absl::optional<uint32_t> qp = parser.Parse(
kVideoCodecVP9, 0, kCodedFrameVp9Qp96, sizeof(kCodedFrameVp9Qp96));
EXPECT_EQ(qp, 96u);
}
TEST(QpParserTest, ParseQpH264) {
QpParser parser;
absl::optional<uint32_t> qp = parser.Parse(
VideoCodecType::kVideoCodecH264, 0, kCodedFrameH264SpsPpsIdrQp38,
sizeof(kCodedFrameH264SpsPpsIdrQp38));
EXPECT_EQ(qp, 38u);
qp = parser.Parse(kVideoCodecH264, 1, kCodedFrameH264SpsPpsIdrQp49,
sizeof(kCodedFrameH264SpsPpsIdrQp49));
EXPECT_EQ(qp, 49u);
qp = parser.Parse(kVideoCodecH264, 0, kCodedFrameH264InterSliceQpDelta0,
sizeof(kCodedFrameH264InterSliceQpDelta0));
EXPECT_EQ(qp, 38u);
qp = parser.Parse(kVideoCodecH264, 1, kCodedFrameH264InterSliceQpDelta0,
sizeof(kCodedFrameH264InterSliceQpDelta0));
EXPECT_EQ(qp, 49u);
}
TEST(QpParserTest, ParseQpUnsupportedCodecType) {
QpParser parser;
absl::optional<uint32_t> qp = parser.Parse(
kVideoCodecGeneric, 0, kCodedFrameVp8Qp25, sizeof(kCodedFrameVp8Qp25));
EXPECT_FALSE(qp.has_value());
}
TEST(QpParserTest, ParseQpNullData) {
QpParser parser;
absl::optional<uint32_t> qp = parser.Parse(kVideoCodecVP8, 0, nullptr, 100);
EXPECT_FALSE(qp.has_value());
}
TEST(QpParserTest, ParseQpEmptyData) {
QpParser parser;
absl::optional<uint32_t> qp =
parser.Parse(kVideoCodecVP8, 0, kCodedFrameVp8Qp25, 0);
EXPECT_FALSE(qp.has_value());
}
TEST(QpParserTest, ParseQpSpatialIdxExceedsMax) {
QpParser parser;
absl::optional<uint32_t> qp =
parser.Parse(kVideoCodecVP8, kMaxSimulcastStreams, kCodedFrameVp8Qp25,
sizeof(kCodedFrameVp8Qp25));
EXPECT_FALSE(qp.has_value());
}
} // namespace webrtc
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