1 files changed, 118 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/utility/qp_parser_unittest.cc b/third_party/libwebrtc/modules/video_coding/utility/qp_parser_unittest.cc
new file mode 100644
index 0000000000..1131288f26
--- /dev/null
+++ b/third_party/libwebrtc/modules/video_coding/utility/qp_parser_unittest.cc
@@ -0,0 +1,118 @@
+/*
+ *  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