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26e1b7ac01
Bug: webrtc:11152 Change-Id: I1a6225701ecd6f7a34c946d7296f0ab0cbb5eaef Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/165342 Reviewed-by: Markus Handell <handellm@webrtc.org> Reviewed-by: Sam Zackrisson <saza@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30190}
115 lines
4 KiB
C++
115 lines
4 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/rtp_rtcp/source/rtp_format_vp8.h"
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#include <memory>
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#include "modules/rtp_rtcp/source/rtp_format_vp8_test_helper.h"
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#include "test/gmock.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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constexpr RtpPacketizer::PayloadSizeLimits kNoSizeLimits;
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TEST(RtpPacketizerVp8Test, ResultPacketsAreAlmostEqualSize) {
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RTPVideoHeaderVP8 hdr_info;
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hdr_info.InitRTPVideoHeaderVP8();
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hdr_info.pictureId = 200;
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RtpFormatVp8TestHelper helper(&hdr_info, /*payload_len=*/30);
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RtpPacketizer::PayloadSizeLimits limits;
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limits.max_payload_len = 12; // Small enough to produce 4 packets.
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RtpPacketizerVp8 packetizer(helper.payload(), limits, hdr_info);
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const size_t kExpectedSizes[] = {11, 11, 12, 12};
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helper.GetAllPacketsAndCheck(&packetizer, kExpectedSizes);
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}
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TEST(RtpPacketizerVp8Test, EqualSizeWithLastPacketReduction) {
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RTPVideoHeaderVP8 hdr_info;
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hdr_info.InitRTPVideoHeaderVP8();
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hdr_info.pictureId = 200;
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RtpFormatVp8TestHelper helper(&hdr_info, /*payload_len=*/43);
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RtpPacketizer::PayloadSizeLimits limits;
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limits.max_payload_len = 15; // Small enough to produce 5 packets.
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limits.last_packet_reduction_len = 5;
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RtpPacketizerVp8 packetizer(helper.payload(), limits, hdr_info);
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// Calculated by hand. VP8 payload descriptors are 4 byte each. 5 packets is
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// minimum possible to fit 43 payload bytes into packets with capacity of
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// 15 - 4 = 11 and leave 5 free bytes in the last packet. All packets are
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// almost equal in size, even last packet if counted with free space (which
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// will be filled up the stack by extra long RTP header).
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const size_t kExpectedSizes[] = {13, 13, 14, 14, 9};
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helper.GetAllPacketsAndCheck(&packetizer, kExpectedSizes);
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}
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// Verify that non-reference bit is set.
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TEST(RtpPacketizerVp8Test, NonReferenceBit) {
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RTPVideoHeaderVP8 hdr_info;
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hdr_info.InitRTPVideoHeaderVP8();
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hdr_info.nonReference = true;
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RtpFormatVp8TestHelper helper(&hdr_info, /*payload_len=*/30);
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RtpPacketizer::PayloadSizeLimits limits;
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limits.max_payload_len = 25; // Small enough to produce two packets.
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RtpPacketizerVp8 packetizer(helper.payload(), limits, hdr_info);
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const size_t kExpectedSizes[] = {16, 16};
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helper.GetAllPacketsAndCheck(&packetizer, kExpectedSizes);
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}
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// Verify Tl0PicIdx and TID fields, and layerSync bit.
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TEST(RtpPacketizerVp8Test, Tl0PicIdxAndTID) {
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RTPVideoHeaderVP8 hdr_info;
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hdr_info.InitRTPVideoHeaderVP8();
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hdr_info.tl0PicIdx = 117;
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hdr_info.temporalIdx = 2;
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hdr_info.layerSync = true;
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RtpFormatVp8TestHelper helper(&hdr_info, /*payload_len=*/30);
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RtpPacketizerVp8 packetizer(helper.payload(), kNoSizeLimits, hdr_info);
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const size_t kExpectedSizes[1] = {helper.payload_size() + 4};
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helper.GetAllPacketsAndCheck(&packetizer, kExpectedSizes);
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}
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TEST(RtpPacketizerVp8Test, KeyIdx) {
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RTPVideoHeaderVP8 hdr_info;
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hdr_info.InitRTPVideoHeaderVP8();
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hdr_info.keyIdx = 17;
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RtpFormatVp8TestHelper helper(&hdr_info, /*payload_len=*/30);
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RtpPacketizerVp8 packetizer(helper.payload(), kNoSizeLimits, hdr_info);
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const size_t kExpectedSizes[1] = {helper.payload_size() + 3};
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helper.GetAllPacketsAndCheck(&packetizer, kExpectedSizes);
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}
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// Verify TID field and KeyIdx field in combination.
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TEST(RtpPacketizerVp8Test, TIDAndKeyIdx) {
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RTPVideoHeaderVP8 hdr_info;
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hdr_info.InitRTPVideoHeaderVP8();
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hdr_info.temporalIdx = 1;
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hdr_info.keyIdx = 5;
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RtpFormatVp8TestHelper helper(&hdr_info, /*payload_len=*/30);
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RtpPacketizerVp8 packetizer(helper.payload(), kNoSizeLimits, hdr_info);
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const size_t kExpectedSizes[1] = {helper.payload_size() + 3};
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helper.GetAllPacketsAndCheck(&packetizer, kExpectedSizes);
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}
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} // namespace
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} // namespace webrtc
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