blob: e23ff2920fae4c3e49e44a6a99dd8a367cdcc36c [file] [log] [blame]
/*
* Copyright (c) 2014 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 <stdio.h>
#include <map>
#include <memory>
#include <sstream>
#include "gflags/gflags.h"
#include "webrtc/api/video_codecs/video_decoder.h"
#include "webrtc/call/call.h"
#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
#include "webrtc/logging/rtc_event_log/rtc_event_log.h"
#include "webrtc/modules/rtp_rtcp/include/rtp_header_parser.h"
#include "webrtc/rtc_base/checks.h"
#include "webrtc/system_wrappers/include/clock.h"
#include "webrtc/system_wrappers/include/sleep.h"
#include "webrtc/test/call_test.h"
#include "webrtc/test/encoder_settings.h"
#include "webrtc/test/fake_decoder.h"
#include "webrtc/test/gtest.h"
#include "webrtc/test/null_transport.h"
#include "webrtc/test/rtp_file_reader.h"
#include "webrtc/test/run_loop.h"
#include "webrtc/test/run_test.h"
#include "webrtc/test/testsupport/frame_writer.h"
#include "webrtc/test/video_capturer.h"
#include "webrtc/test/video_renderer.h"
#include "webrtc/typedefs.h"
namespace webrtc {
namespace flags {
// TODO(pbos): Multiple receivers.
// Flag for payload type.
static bool ValidatePayloadType(const char* flagname, int32_t payload_type) {
return payload_type > 0 && payload_type <= 127;
}
DEFINE_int32(payload_type, test::CallTest::kPayloadTypeVP8, "Payload type");
static int PayloadType() { return static_cast<int>(FLAGS_payload_type); }
static const bool payload_dummy =
google::RegisterFlagValidator(&FLAGS_payload_type, &ValidatePayloadType);
DEFINE_int32(payload_type_rtx,
test::CallTest::kSendRtxPayloadType,
"RTX payload type");
static int PayloadTypeRtx() {
return static_cast<int>(FLAGS_payload_type_rtx);
}
static const bool payload_rtx_dummy =
google::RegisterFlagValidator(&FLAGS_payload_type_rtx,
&ValidatePayloadType);
// Flag for SSRC.
static bool ValidateSsrc(const char* flagname, uint64_t ssrc) {
return ssrc > 0 && ssrc <= 0xFFFFFFFFu;
}
DEFINE_uint64(ssrc, test::CallTest::kVideoSendSsrcs[0], "Incoming SSRC");
static uint32_t Ssrc() { return static_cast<uint32_t>(FLAGS_ssrc); }
static const bool ssrc_dummy =
google::RegisterFlagValidator(&FLAGS_ssrc, &ValidateSsrc);
DEFINE_uint64(ssrc_rtx, test::CallTest::kSendRtxSsrcs[0], "Incoming RTX SSRC");
static uint32_t SsrcRtx() {
return static_cast<uint32_t>(FLAGS_ssrc_rtx);
}
static const bool ssrc_rtx_dummy =
google::RegisterFlagValidator(&FLAGS_ssrc_rtx, &ValidateSsrc);
static bool ValidateOptionalPayloadType(const char* flagname,
int32_t payload_type) {
return payload_type == -1 || ValidatePayloadType(flagname, payload_type);
}
// Flag for RED payload type.
DEFINE_int32(red_payload_type, -1, "RED payload type");
static int RedPayloadType() {
return static_cast<int>(FLAGS_red_payload_type);
}
static const bool red_dummy =
google::RegisterFlagValidator(&FLAGS_red_payload_type,
&ValidateOptionalPayloadType);
// Flag for ULPFEC payload type.
DEFINE_int32(fec_payload_type, -1, "ULPFEC payload type");
static int FecPayloadType() {
return static_cast<int>(FLAGS_fec_payload_type);
}
static const bool fec_dummy =
google::RegisterFlagValidator(&FLAGS_fec_payload_type,
&ValidateOptionalPayloadType);
// Flag for abs-send-time id.
static bool ValidateRtpHeaderExtensionId(const char* flagname,
int32_t extension_id) {
return extension_id >= -1 || extension_id < 15;
}
DEFINE_int32(abs_send_time_id, -1, "RTP extension ID for abs-send-time");
static int AbsSendTimeId() { return static_cast<int>(FLAGS_abs_send_time_id); }
static const bool abs_send_time_dummy =
google::RegisterFlagValidator(&FLAGS_abs_send_time_id,
&ValidateRtpHeaderExtensionId);
// Flag for transmission-offset id.
DEFINE_int32(transmission_offset_id,
-1,
"RTP extension ID for transmission-offset");
static int TransmissionOffsetId() {
return static_cast<int>(FLAGS_transmission_offset_id);
}
static const bool timestamp_offset_dummy =
google::RegisterFlagValidator(&FLAGS_transmission_offset_id,
&ValidateRtpHeaderExtensionId);
// Flag for rtpdump input file.
bool ValidateInputFilenameNotEmpty(const char* flagname,
const std::string& string) {
return !string.empty();
}
DEFINE_string(input_file, "", "input file");
static std::string InputFile() {
return static_cast<std::string>(FLAGS_input_file);
}
static const bool input_file_dummy =
google::RegisterFlagValidator(&FLAGS_input_file,
&ValidateInputFilenameNotEmpty);
// Flag for raw output files.
DEFINE_string(out_base, "", "Basename (excluding .jpg) for raw output");
static std::string OutBase() {
return static_cast<std::string>(FLAGS_out_base);
}
DEFINE_string(decoder_bitstream_filename, "", "Decoder bitstream output file");
static std::string DecoderBitstreamFilename() {
return static_cast<std::string>(FLAGS_decoder_bitstream_filename);
}
// Flag for video codec.
DEFINE_string(codec, "VP8", "Video codec");
static std::string Codec() { return static_cast<std::string>(FLAGS_codec); }
} // namespace flags
static const uint32_t kReceiverLocalSsrc = 0x123456;
class FileRenderPassthrough : public rtc::VideoSinkInterface<VideoFrame> {
public:
FileRenderPassthrough(const std::string& basename,
rtc::VideoSinkInterface<VideoFrame>* renderer)
: basename_(basename), renderer_(renderer), file_(nullptr), count_(0) {}
~FileRenderPassthrough() {
if (file_)
fclose(file_);
}
private:
void OnFrame(const VideoFrame& video_frame) override {
if (renderer_)
renderer_->OnFrame(video_frame);
if (basename_.empty())
return;
std::stringstream filename;
filename << basename_ << count_++ << "_" << video_frame.timestamp()
<< ".jpg";
test::JpegFrameWriter frame_writer(filename.str());
RTC_CHECK(frame_writer.WriteFrame(video_frame, 100));
}
const std::string basename_;
rtc::VideoSinkInterface<VideoFrame>* const renderer_;
FILE* file_;
size_t count_;
};
class DecoderBitstreamFileWriter : public EncodedFrameObserver {
public:
explicit DecoderBitstreamFileWriter(const char* filename)
: file_(fopen(filename, "wb")) {
RTC_DCHECK(file_);
}
~DecoderBitstreamFileWriter() { fclose(file_); }
virtual void EncodedFrameCallback(const EncodedFrame& encoded_frame) {
fwrite(encoded_frame.data_, 1, encoded_frame.length_, file_);
}
private:
FILE* file_;
};
void RtpReplay() {
std::unique_ptr<test::VideoRenderer> playback_video(
test::VideoRenderer::Create("Playback Video", 640, 480));
FileRenderPassthrough file_passthrough(flags::OutBase(),
playback_video.get());
webrtc::RtcEventLogNullImpl event_log;
std::unique_ptr<Call> call(Call::Create(Call::Config(&event_log)));
test::NullTransport transport;
VideoReceiveStream::Config receive_config(&transport);
receive_config.rtp.remote_ssrc = flags::Ssrc();
receive_config.rtp.local_ssrc = kReceiverLocalSsrc;
receive_config.rtp.rtx_ssrc = flags::SsrcRtx();
receive_config.rtp.rtx_associated_payload_types[flags::PayloadTypeRtx()] =
flags::PayloadType();
receive_config.rtp.ulpfec.ulpfec_payload_type = flags::FecPayloadType();
receive_config.rtp.ulpfec.red_payload_type = flags::RedPayloadType();
receive_config.rtp.nack.rtp_history_ms = 1000;
if (flags::TransmissionOffsetId() != -1) {
receive_config.rtp.extensions.push_back(RtpExtension(
RtpExtension::kTimestampOffsetUri, flags::TransmissionOffsetId()));
}
if (flags::AbsSendTimeId() != -1) {
receive_config.rtp.extensions.push_back(
RtpExtension(RtpExtension::kAbsSendTimeUri, flags::AbsSendTimeId()));
}
receive_config.renderer = &file_passthrough;
VideoSendStream::Config::EncoderSettings encoder_settings;
encoder_settings.payload_name = flags::Codec();
encoder_settings.payload_type = flags::PayloadType();
VideoReceiveStream::Decoder decoder;
std::unique_ptr<DecoderBitstreamFileWriter> bitstream_writer;
if (!flags::DecoderBitstreamFilename().empty()) {
bitstream_writer.reset(new DecoderBitstreamFileWriter(
flags::DecoderBitstreamFilename().c_str()));
receive_config.pre_decode_callback = bitstream_writer.get();
}
decoder = test::CreateMatchingDecoder(encoder_settings);
if (!flags::DecoderBitstreamFilename().empty()) {
// Replace with a null decoder if we're writing the bitstream to a file
// instead.
delete decoder.decoder;
decoder.decoder = new test::FakeNullDecoder();
}
receive_config.decoders.push_back(decoder);
VideoReceiveStream* receive_stream =
call->CreateVideoReceiveStream(std::move(receive_config));
std::unique_ptr<test::RtpFileReader> rtp_reader(test::RtpFileReader::Create(
test::RtpFileReader::kRtpDump, flags::InputFile()));
if (!rtp_reader) {
rtp_reader.reset(test::RtpFileReader::Create(test::RtpFileReader::kPcap,
flags::InputFile()));
if (!rtp_reader) {
fprintf(stderr,
"Couldn't open input file as either a rtpdump or .pcap. Note "
"that .pcapng is not supported.\nTrying to interpret the file as "
"length/packet interleaved.\n");
rtp_reader.reset(test::RtpFileReader::Create(
test::RtpFileReader::kLengthPacketInterleaved, flags::InputFile()));
if (!rtp_reader) {
fprintf(stderr,
"Unable to open input file with any supported format\n");
return;
}
}
}
receive_stream->Start();
uint32_t last_time_ms = 0;
int num_packets = 0;
std::map<uint32_t, int> unknown_packets;
while (true) {
test::RtpPacket packet;
if (!rtp_reader->NextPacket(&packet))
break;
++num_packets;
switch (call->Receiver()->DeliverPacket(
webrtc::MediaType::VIDEO, packet.data, packet.length, PacketTime())) {
case PacketReceiver::DELIVERY_OK:
break;
case PacketReceiver::DELIVERY_UNKNOWN_SSRC: {
RTPHeader header;
std::unique_ptr<RtpHeaderParser> parser(RtpHeaderParser::Create());
parser->Parse(packet.data, packet.length, &header);
if (unknown_packets[header.ssrc] == 0)
fprintf(stderr, "Unknown SSRC: %u!\n", header.ssrc);
++unknown_packets[header.ssrc];
break;
}
case PacketReceiver::DELIVERY_PACKET_ERROR: {
fprintf(stderr, "Packet error, corrupt packets or incorrect setup?\n");
RTPHeader header;
std::unique_ptr<RtpHeaderParser> parser(RtpHeaderParser::Create());
parser->Parse(packet.data, packet.length, &header);
fprintf(stderr, "Packet len=%zu pt=%u seq=%u ts=%u ssrc=0x%8x\n",
packet.length, header.payloadType, header.sequenceNumber,
header.timestamp, header.ssrc);
break;
}
}
if (last_time_ms != 0 && last_time_ms != packet.time_ms) {
SleepMs(packet.time_ms - last_time_ms);
}
last_time_ms = packet.time_ms;
}
fprintf(stderr, "num_packets: %d\n", num_packets);
for (std::map<uint32_t, int>::const_iterator it = unknown_packets.begin();
it != unknown_packets.end();
++it) {
fprintf(
stderr, "Packets for unknown ssrc '%u': %d\n", it->first, it->second);
}
call->DestroyVideoReceiveStream(receive_stream);
delete decoder.decoder;
}
} // namespace webrtc
int main(int argc, char* argv[]) {
::testing::InitGoogleTest(&argc, argv);
google::ParseCommandLineFlags(&argc, &argv, true);
webrtc::test::RunTest(webrtc::RtpReplay);
return 0;
}