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H264SpsPpsTracker.InsertSpsPpsNalus() should accept Nalus with header.

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- Changed method name to clarify that entire Nalus are expected.
- Added unit test code.
- Adjusted InsetSpsPpsNalus() implementation to above requirement.

BUG=webrtc:5948

Review-Url: https://codereview.webrtc.org/2638933002
Cr-Commit-Position: refs/heads/master@{#16221}
This commit is contained in:
johan
2017-01-23 09:29:33 -08:00
committed by Commit bot
parent e1405ad0d1
commit f53d7374cf
4 changed files with 102 additions and 10 deletions
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44
webrtc/modules/video_coding/h264_sps_pps_tracker.cc
View File

@ -182,15 +182,41 @@ H264SpsPpsTracker::PacketAction H264SpsPpsTracker::CopyAndFixBitstream(
return kInsert;
}
void H264SpsPpsTracker::InsertSpsPps(const std::vector<uint8_t>& sps,
const std::vector<uint8_t>& pps) {
rtc::Optional<SpsParser::SpsState> parsed_sps =
SpsParser::ParseSps(sps.data(), sps.size());
rtc::Optional<PpsParser::PpsState> parsed_pps =
PpsParser::ParsePps(pps.data(), pps.size());
void H264SpsPpsTracker::InsertSpsPpsNalus(const std::vector<uint8_t>& sps,
const std::vector<uint8_t>& pps) {
constexpr size_t kNaluHeaderOffset = 1;
if (sps.size() < kNaluHeaderOffset) {
LOG(LS_WARNING) << "SPS size " << sps.size() << " is smaller than "
<< kNaluHeaderOffset;
return;
}
if ((sps[0] & 0x1f) != H264::NaluType::kSps) {
LOG(LS_WARNING) << "SPS Nalu header missing";
return;
}
if (pps.size() < kNaluHeaderOffset) {
LOG(LS_WARNING) << "PPS size " << pps.size() << " is smaller than "
<< kNaluHeaderOffset;
return;
}
if ((pps[0] & 0x1f) != H264::NaluType::kPps) {
LOG(LS_WARNING) << "SPS Nalu header missing";
return;
}
rtc::Optional<SpsParser::SpsState> parsed_sps = SpsParser::ParseSps(
sps.data() + kNaluHeaderOffset, sps.size() - kNaluHeaderOffset);
rtc::Optional<PpsParser::PpsState> parsed_pps = PpsParser::ParsePps(
pps.data() + kNaluHeaderOffset, pps.size() - kNaluHeaderOffset);
if (!parsed_sps) {
LOG(LS_WARNING) << "Failed to parse SPS.";
}
if (!parsed_pps) {
LOG(LS_WARNING) << "Failed to parse PPS.";
}
if (!parsed_pps || !parsed_sps) {
LOG(LS_WARNING) << "Failed to parse SPS or PPS parameters.";
return;
}
@ -208,6 +234,10 @@ void H264SpsPpsTracker::InsertSpsPps(const std::vector<uint8_t>& sps,
memcpy(pps_data, pps.data(), pps_info.size);
pps_info.data.reset(pps_data);
pps_data_[parsed_pps->id] = std::move(pps_info);
LOG(LS_INFO) << "Inserted SPS id " << parsed_sps->id << " and PPS id "
<< parsed_pps->id << " (referencing SPS " << parsed_pps->sps_id
<< ")";
}
} // namespace video_coding

5
webrtc/modules/video_coding/h264_sps_pps_tracker.h
View File

@ -29,8 +29,9 @@ class H264SpsPpsTracker {
enum PacketAction { kInsert, kDrop, kRequestKeyframe };
PacketAction CopyAndFixBitstream(VCMPacket* packet);
void InsertSpsPps(const std::vector<uint8_t>& sps,
const std::vector<uint8_t>& pps);
void InsertSpsPpsNalus(const std::vector<uint8_t>& sps,
const std::vector<uint8_t>& pps);
private:
struct PpsInfo {

60
webrtc/modules/video_coding/h264_sps_pps_tracker_unittest.cc
View File

@ -261,5 +261,65 @@ TEST_F(TestH264SpsPpsTracker, SpsPpsIdrInStapA) {
delete[] packet.dataPtr;
}
TEST_F(TestH264SpsPpsTracker, SpsPpsOutOfBand) {
constexpr uint8_t kData[] = {1, 2, 3};
// Generated by "ffmpeg -r 30 -f avfoundation -i "default" out.h264" on macos.
const std::vector<uint8_t> sps(
{0x67, 0x7a, 0x00, 0x0d, 0xbc, 0xd9, 0x41, 0x41, 0xfa, 0x10, 0x00, 0x00,
0x03, 0x00, 0x10, 0x00, 0x00, 0x03, 0x03, 0xc0, 0xf1, 0x42, 0x99, 0x60});
const std::vector<uint8_t> pps({0x68, 0xeb, 0xe3, 0xcb, 0x22, 0xc0});
tracker_.InsertSpsPpsNalus(sps, pps);
// Insert first packet of the IDR.
VCMPacket idr_packet = GetDefaultPacket();
idr_packet.video_header.is_first_packet_in_frame = true;
AddIdr(&idr_packet, 0);
idr_packet.dataPtr = kData;
idr_packet.sizeBytes = sizeof(kData);
EXPECT_EQ(H264SpsPpsTracker::kInsert,
tracker_.CopyAndFixBitstream(&idr_packet));
}
TEST_F(TestH264SpsPpsTracker, SpsPpsOutOfBandWrongNaluHeader) {
constexpr uint8_t kData[] = {1, 2, 3};
// Generated by "ffmpeg -r 30 -f avfoundation -i "default" out.h264" on macos.
// Nalu headers manupilated afterwards.
const std::vector<uint8_t> sps(
{0xff, 0x7a, 0x00, 0x0d, 0xbc, 0xd9, 0x41, 0x41, 0xfa, 0x10, 0x00, 0x00,
0x03, 0x00, 0x10, 0x00, 0x00, 0x03, 0x03, 0xc0, 0xf1, 0x42, 0x99, 0x60});
const std::vector<uint8_t> pps({0xff, 0xeb, 0xe3, 0xcb, 0x22, 0xc0});
tracker_.InsertSpsPpsNalus(sps, pps);
// Insert first packet of the IDR.
VCMPacket idr_packet = GetDefaultPacket();
idr_packet.video_header.is_first_packet_in_frame = true;
AddIdr(&idr_packet, 0);
idr_packet.dataPtr = kData;
idr_packet.sizeBytes = sizeof(kData);
EXPECT_EQ(H264SpsPpsTracker::kRequestKeyframe,
tracker_.CopyAndFixBitstream(&idr_packet));
}
TEST_F(TestH264SpsPpsTracker, SpsPpsOutOfBandIncompleteNalu) {
constexpr uint8_t kData[] = {1, 2, 3};
// Generated by "ffmpeg -r 30 -f avfoundation -i "default" out.h264" on macos.
// Nalus damaged afterwards.
const std::vector<uint8_t> sps({0x67, 0x7a, 0x00, 0x0d, 0xbc, 0xd9});
const std::vector<uint8_t> pps({0x68, 0xeb, 0xe3, 0xcb, 0x22, 0xc0});
tracker_.InsertSpsPpsNalus(sps, pps);
// Insert first packet of the IDR.
VCMPacket idr_packet = GetDefaultPacket();
idr_packet.video_header.is_first_packet_in_frame = true;
AddIdr(&idr_packet, 0);
idr_packet.dataPtr = kData;
idr_packet.sizeBytes = sizeof(kData);
EXPECT_EQ(H264SpsPpsTracker::kRequestKeyframe,
tracker_.CopyAndFixBitstream(&idr_packet));
}
} // namespace video_coding
} // namespace webrtc