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