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/*
* Copyright (c) 2013 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 <iostream>
#include <string>
#include "absl/flags/flag.h"
#include "absl/flags/parse.h"
#include "absl/strings/string_view.h"
#include "absl/types/optional.h"
#include "modules/audio_coding/neteq/tools/neteq_test.h"
#include "modules/audio_coding/neteq/tools/neteq_test_factory.h"
#include "rtc_base/strings/string_builder.h"
#include "system_wrappers/include/field_trial.h"
#include "test/field_trial.h"
using TestConfig = webrtc::test::NetEqTestFactory::Config;
ABSL_FLAG(bool,
codec_map,
false,
"Prints the mapping between RTP payload type and "
"codec");
ABSL_FLAG(std::string,
force_fieldtrials,
"",
"Field trials control experimental feature code which can be forced. "
"E.g. running with --force_fieldtrials=WebRTC-FooFeature/Enable/"
" will assign the group Enable to field trial WebRTC-FooFeature.");
ABSL_FLAG(int, pcmu, TestConfig::default_pcmu(), "RTP payload type for PCM-u");
ABSL_FLAG(int, pcma, TestConfig::default_pcma(), "RTP payload type for PCM-a");
ABSL_FLAG(int, ilbc, TestConfig::default_ilbc(), "RTP payload type for iLBC");
ABSL_FLAG(int, isac, TestConfig::default_isac(), "RTP payload type for iSAC");
ABSL_FLAG(int,
isac_swb,
TestConfig::default_isac_swb(),
"RTP payload type for iSAC-swb (32 kHz)");
ABSL_FLAG(int, opus, TestConfig::default_opus(), "RTP payload type for Opus");
ABSL_FLAG(int,
pcm16b,
TestConfig::default_pcm16b(),
"RTP payload type for PCM16b-nb (8 kHz)");
ABSL_FLAG(int,
pcm16b_wb,
TestConfig::default_pcm16b_wb(),
"RTP payload type for PCM16b-wb (16 kHz)");
ABSL_FLAG(int,
pcm16b_swb32,
TestConfig::default_pcm16b_swb32(),
"RTP payload type for PCM16b-swb32 (32 kHz)");
ABSL_FLAG(int,
pcm16b_swb48,
TestConfig::default_pcm16b_swb48(),
"RTP payload type for PCM16b-swb48 (48 kHz)");
ABSL_FLAG(int, g722, TestConfig::default_g722(), "RTP payload type for G.722");
ABSL_FLAG(int,
avt,
TestConfig::default_avt(),
"RTP payload type for AVT/DTMF (8 kHz)");
ABSL_FLAG(int,
avt_16,
TestConfig::default_avt_16(),
"RTP payload type for AVT/DTMF (16 kHz)");
ABSL_FLAG(int,
avt_32,
TestConfig::default_avt_32(),
"RTP payload type for AVT/DTMF (32 kHz)");
ABSL_FLAG(int,
avt_48,
TestConfig::default_avt_48(),
"RTP payload type for AVT/DTMF (48 kHz)");
ABSL_FLAG(int,
red,
TestConfig::default_red(),
"RTP payload type for redundant audio (RED)");
ABSL_FLAG(int,
cn_nb,
TestConfig::default_cn_nb(),
"RTP payload type for comfort noise (8 kHz)");
ABSL_FLAG(int,
cn_wb,
TestConfig::default_cn_wb(),
"RTP payload type for comfort noise (16 kHz)");
ABSL_FLAG(int,
cn_swb32,
TestConfig::default_cn_swb32(),
"RTP payload type for comfort noise (32 kHz)");
ABSL_FLAG(int,
cn_swb48,
TestConfig::default_cn_swb48(),
"RTP payload type for comfort noise (48 kHz)");
ABSL_FLAG(std::string,
replacement_audio_file,
"",
"A PCM file that will be used to populate dummy"
" RTP packets");
ABSL_FLAG(std::string,
ssrc,
"",
"Only use packets with this SSRC (decimal or hex, the latter "
"starting with 0x)");
ABSL_FLAG(int,
audio_level,
TestConfig::default_audio_level(),
"Extension ID for audio level (RFC 6464)");
ABSL_FLAG(int,
abs_send_time,
TestConfig::default_abs_send_time(),
"Extension ID for absolute sender time");
ABSL_FLAG(int,
transport_seq_no,
TestConfig::default_transport_seq_no(),
"Extension ID for transport sequence number");
ABSL_FLAG(int,
video_content_type,
TestConfig::default_video_content_type(),
"Extension ID for video content type");
ABSL_FLAG(int,
video_timing,
TestConfig::default_video_timing(),
"Extension ID for video timing");
ABSL_FLAG(std::string,
output_files_base_name,
"",
"Custom path used as prefix for the output files - i.e., "
"matlab plot, python plot, text log.");
ABSL_FLAG(bool,
matlabplot,
false,
"Generates a matlab script for plotting the delay profile");
ABSL_FLAG(bool,
pythonplot,
false,
"Generates a python script for plotting the delay profile");
ABSL_FLAG(bool,
textlog,
false,
"Generates a text log describing the simulation on a "
"step-by-step basis.");
ABSL_FLAG(bool, concealment_events, false, "Prints concealment events");
ABSL_FLAG(int,
max_nr_packets_in_buffer,
TestConfig::default_max_nr_packets_in_buffer(),
"Maximum allowed number of packets in the buffer");
ABSL_FLAG(bool,
enable_fast_accelerate,
false,
"Enables jitter buffer fast accelerate");
namespace {
// Parses the input string for a valid SSRC (at the start of the string). If a
// valid SSRC is found, it is written to the output variable |ssrc|, and true is
// returned. Otherwise, false is returned.
bool ParseSsrc(const std::string& str, uint32_t* ssrc) {
if (str.empty())
return true;
int base = 10;
// Look for "0x" or "0X" at the start and change base to 16 if found.
if ((str.compare(0, 2, "0x") == 0) || (str.compare(0, 2, "0X") == 0))
base = 16;
errno = 0;
char* end_ptr;
unsigned long value = strtoul(str.c_str(), &end_ptr, base); // NOLINT
if (value == ULONG_MAX && errno == ERANGE)
return false; // Value out of range for unsigned long.
if (sizeof(unsigned long) > sizeof(uint32_t) && value > 0xFFFFFFFF) // NOLINT
return false; // Value out of range for uint32_t.
if (end_ptr - str.c_str() < static_cast<ptrdiff_t>(str.length()))
return false; // Part of the string was not parsed.
*ssrc = static_cast<uint32_t>(value);
return true;
}
static bool ValidateExtensionId(int value) {
if (value > 0 && value <= 255) // Value is ok.
return true;
printf("Extension ID must be between 1 and 255, not %d\n",
static_cast<int>(value));
return false;
}
// Flag validators.
bool ValidatePayloadType(int value) {
if (value >= 0 && value <= 127) // Value is ok.
return true;
printf("Payload type must be between 0 and 127, not %d\n",
static_cast<int>(value));
return false;
}
bool ValidateSsrcValue(const std::string& str) {
uint32_t dummy_ssrc;
if (ParseSsrc(str, &dummy_ssrc)) // Value is ok.
return true;
printf("Invalid SSRC: %s\n", str.c_str());
return false;
}
void PrintCodecMappingEntry(const char* codec, int flag) {
std::cout << codec << ": " << flag << std::endl;
}
void PrintCodecMapping() {
PrintCodecMappingEntry("PCM-u", absl::GetFlag(FLAGS_pcmu));
PrintCodecMappingEntry("PCM-a", absl::GetFlag(FLAGS_pcma));
PrintCodecMappingEntry("iLBC", absl::GetFlag(FLAGS_ilbc));
PrintCodecMappingEntry("iSAC", absl::GetFlag(FLAGS_isac));
PrintCodecMappingEntry("iSAC-swb (32 kHz)", absl::GetFlag(FLAGS_isac_swb));
PrintCodecMappingEntry("Opus", absl::GetFlag(FLAGS_opus));
PrintCodecMappingEntry("PCM16b-nb (8 kHz)", absl::GetFlag(FLAGS_pcm16b));
PrintCodecMappingEntry("PCM16b-wb (16 kHz)", absl::GetFlag(FLAGS_pcm16b_wb));
PrintCodecMappingEntry("PCM16b-swb32 (32 kHz)",
absl::GetFlag(FLAGS_pcm16b_swb32));
PrintCodecMappingEntry("PCM16b-swb48 (48 kHz)",
absl::GetFlag(FLAGS_pcm16b_swb48));
PrintCodecMappingEntry("G.722", absl::GetFlag(FLAGS_g722));
PrintCodecMappingEntry("AVT/DTMF (8 kHz)", absl::GetFlag(FLAGS_avt));
PrintCodecMappingEntry("AVT/DTMF (16 kHz)", absl::GetFlag(FLAGS_avt_16));
PrintCodecMappingEntry("AVT/DTMF (32 kHz)", absl::GetFlag(FLAGS_avt_32));
PrintCodecMappingEntry("AVT/DTMF (48 kHz)", absl::GetFlag(FLAGS_avt_48));
PrintCodecMappingEntry("redundant audio (RED)", absl::GetFlag(FLAGS_red));
PrintCodecMappingEntry("comfort noise (8 kHz)", absl::GetFlag(FLAGS_cn_nb));
PrintCodecMappingEntry("comfort noise (16 kHz)", absl::GetFlag(FLAGS_cn_wb));
PrintCodecMappingEntry("comfort noise (32 kHz)",
absl::GetFlag(FLAGS_cn_swb32));
PrintCodecMappingEntry("comfort noise (48 kHz)",
absl::GetFlag(FLAGS_cn_swb48));
}
bool ValidateOutputFilesOptions(bool textlog,
bool plotting,
absl::string_view output_files_base_name,
absl::string_view output_audio_filename) {
bool output_files_base_name_specified = !output_files_base_name.empty();
if (!textlog && !plotting && output_files_base_name_specified) {
std::cout << "Error: --output_files_base_name cannot be used without at "
<< "least one of the following flags: --textlog, --matlabplot, "
<< "--pythonplot." << std::endl;
return false;
}
// Without |output_audio_filename|, |output_files_base_name| is required when
// one or more output files must be generated (in order to form a valid output
// file name).
if (output_audio_filename.empty() && (textlog || plotting) &&
!output_files_base_name_specified) {
std::cout << "Error: when no output audio file is specified and --textlog, "
<< "--matlabplot and/or --pythonplot are used, "
<< "--output_files_base_name must be also used." << std::endl;
return false;
}
return true;
}
absl::optional<std::string> CreateOptionalOutputFileName(
bool output_requested,
absl::string_view basename,
absl::string_view output_audio_filename,
absl::string_view suffix) {
if (!output_requested) {
return absl::nullopt;
}
if (!basename.empty()) {
// Override the automatic assignment.
rtc::StringBuilder sb(basename);
sb << suffix;
return sb.str();
}
if (!output_audio_filename.empty()) {
// Automatically assign name.
rtc::StringBuilder sb(output_audio_filename);
sb << suffix;
return sb.str();
}
std::cout << "Error: invalid text log file parameters.";
return absl::nullopt;
}
} // namespace
int main(int argc, char* argv[]) {
std::vector<char*> args = absl::ParseCommandLine(argc, argv);
webrtc::test::NetEqTestFactory factory;
std::string usage =
"Tool for decoding an RTP dump file using NetEq.\n"
"Example usage:\n"
"./neteq_rtpplay input.rtp [output.{pcm, wav}]\n";
if (absl::GetFlag(FLAGS_codec_map)) {
PrintCodecMapping();
exit(0);
}
if (args.size() != 2 &&
args.size() != 3) { // The output audio file is optional.
// Print usage information.
std::cout << usage;
exit(0);
}
const std::string output_audio_filename((args.size() == 3) ? args[2] : "");
const std::string output_files_base_name(
absl::GetFlag(FLAGS_output_files_base_name));
RTC_CHECK(ValidateOutputFilesOptions(
absl::GetFlag(FLAGS_textlog),
absl::GetFlag(FLAGS_matlabplot) || absl::GetFlag(FLAGS_pythonplot),
output_files_base_name, output_audio_filename));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_pcmu)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_pcma)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_ilbc)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_isac)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_isac_swb)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_opus)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_pcm16b)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_pcm16b_wb)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_pcm16b_swb32)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_pcm16b_swb48)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_g722)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_avt)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_avt_16)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_avt_32)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_avt_48)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_red)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_cn_nb)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_cn_wb)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_cn_swb32)));
RTC_CHECK(ValidatePayloadType(absl::GetFlag(FLAGS_cn_swb48)));
RTC_CHECK(ValidateSsrcValue(absl::GetFlag(FLAGS_ssrc)));
RTC_CHECK(ValidateExtensionId(absl::GetFlag(FLAGS_audio_level)));
RTC_CHECK(ValidateExtensionId(absl::GetFlag(FLAGS_abs_send_time)));
RTC_CHECK(ValidateExtensionId(absl::GetFlag(FLAGS_transport_seq_no)));
RTC_CHECK(ValidateExtensionId(absl::GetFlag(FLAGS_video_content_type)));
RTC_CHECK(ValidateExtensionId(absl::GetFlag(FLAGS_video_timing)));
// Make force_fieldtrials persistent string during entire program live as
// absl::GetFlag creates temporary string and c_str() will point to
// deallocated string.
const std::string force_fieldtrials = absl::GetFlag(FLAGS_force_fieldtrials);
webrtc::field_trial::InitFieldTrialsFromString(force_fieldtrials.c_str());
webrtc::test::NetEqTestFactory::Config config;
config.pcmu = absl::GetFlag(FLAGS_pcmu);
config.pcma = absl::GetFlag(FLAGS_pcma);
config.ilbc = absl::GetFlag(FLAGS_ilbc);
config.isac = absl::GetFlag(FLAGS_isac);
config.isac_swb = absl::GetFlag(FLAGS_isac_swb);
config.opus = absl::GetFlag(FLAGS_opus);
config.pcm16b = absl::GetFlag(FLAGS_pcm16b);
config.pcm16b_wb = absl::GetFlag(FLAGS_pcm16b_wb);
config.pcm16b_swb32 = absl::GetFlag(FLAGS_pcm16b_swb32);
config.pcm16b_swb48 = absl::GetFlag(FLAGS_pcm16b_swb48);
config.g722 = absl::GetFlag(FLAGS_g722);
config.avt = absl::GetFlag(FLAGS_avt);
config.avt_16 = absl::GetFlag(FLAGS_avt_16);
config.avt_32 = absl::GetFlag(FLAGS_avt_32);
config.avt_48 = absl::GetFlag(FLAGS_avt_48);
config.red = absl::GetFlag(FLAGS_red);
config.cn_nb = absl::GetFlag(FLAGS_cn_nb);
config.cn_wb = absl::GetFlag(FLAGS_cn_wb);
config.cn_swb32 = absl::GetFlag(FLAGS_cn_swb32);
config.cn_swb48 = absl::GetFlag(FLAGS_cn_swb48);
config.replacement_audio_file = absl::GetFlag(FLAGS_replacement_audio_file);
config.audio_level = absl::GetFlag(FLAGS_audio_level);
config.abs_send_time = absl::GetFlag(FLAGS_abs_send_time);
config.transport_seq_no = absl::GetFlag(FLAGS_transport_seq_no);
config.video_content_type = absl::GetFlag(FLAGS_video_content_type);
config.video_timing = absl::GetFlag(FLAGS_video_timing);
config.matlabplot = absl::GetFlag(FLAGS_matlabplot);
config.pythonplot = absl::GetFlag(FLAGS_pythonplot);
config.concealment_events = absl::GetFlag(FLAGS_concealment_events);
config.max_nr_packets_in_buffer =
absl::GetFlag(FLAGS_max_nr_packets_in_buffer);
config.enable_fast_accelerate = absl::GetFlag(FLAGS_enable_fast_accelerate);
if (!output_audio_filename.empty()) {
config.output_audio_filename = output_audio_filename;
}
config.textlog_filename = CreateOptionalOutputFileName(
absl::GetFlag(FLAGS_textlog), output_files_base_name,
output_audio_filename, ".text_log.txt");
config.plot_scripts_basename = CreateOptionalOutputFileName(
absl::GetFlag(FLAGS_matlabplot) || absl::GetFlag(FLAGS_pythonplot),
output_files_base_name, output_audio_filename, "");
// Check if an SSRC value was provided.
if (absl::GetFlag(FLAGS_ssrc).size() > 0) {
uint32_t ssrc;
RTC_CHECK(ParseSsrc(absl::GetFlag(FLAGS_ssrc), &ssrc))
<< "Flag verification has failed.";
config.ssrc_filter = absl::make_optional(ssrc);
}
std::unique_ptr<webrtc::test::NetEqTest> test =
factory.InitializeTestFromFile(/*input_filename=*/args[1], config);
RTC_CHECK(test) << "ERROR: Unable to run test";
test->Run();
return 0;
}