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Move src/ -> webrtc/

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TBR=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/915006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2963 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
andrew@webrtc.org
2012-10-22 18:19:23 +00:00
parent 24a419c0c7
commit 14b43beb7c
1888 changed files with 23 additions and 23 deletions
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30
webrtc/modules/video_coding/codecs/tools/video_codecs_tools.gypi Normal file
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# Copyright (c) 2012 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.
{
'conditions': [
['include_tests==1', {
'targets': [
{
'target_name': 'video_quality_measurement',
'type': 'executable',
'dependencies': [
'video_codecs_test_framework',
'webrtc_video_coding',
'<(DEPTH)/third_party/google-gflags/google-gflags.gyp:google-gflags',
'<(webrtc_root)/test/metrics.gyp:metrics',
'<(webrtc_vp8_dir)/vp8.gyp:webrtc_vp8',
],
'sources': [
'video_quality_measurement.cc',
],
},
], # targets
}], # include_tests
], # conditions
}

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webrtc/modules/video_coding/codecs/tools/video_quality_measurement.cc Normal file
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/*
* Copyright (c) 2012 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 <stdarg.h>
#include <sys/stat.h> // To check for directory existence.
#include <cassert>
#include <cstdio>
#include <ctime>
#ifndef S_ISDIR // Not defined in stat.h on Windows.
#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
#endif
#include "common_types.h"
#include "google/gflags.h"
#include "modules/video_coding/codecs/test/packet_manipulator.h"
#include "modules/video_coding/codecs/test/stats.h"
#include "modules/video_coding/codecs/test/videoprocessor.h"
#include "modules/video_coding/codecs/vp8/include/vp8.h"
#include "modules/video_coding/main/interface/video_coding.h"
#include "system_wrappers/interface/trace.h"
#include "testsupport/frame_reader.h"
#include "testsupport/frame_writer.h"
#include "testsupport/metrics/video_metrics.h"
#include "testsupport/packet_reader.h"
DEFINE_string(test_name, "Quality test", "The name of the test to run. ");
DEFINE_string(test_description, "", "A more detailed description about what "
"the current test is about.");
DEFINE_string(input_filename, "", "Input file. "
"The source video file to be encoded and decoded. Must be in "
".yuv format");
DEFINE_int32(width, -1, "Width in pixels of the frames in the input file.");
DEFINE_int32(height, -1, "Height in pixels of the frames in the input file.");
DEFINE_int32(framerate, 30, "Frame rate of the input file, in FPS "
"(frames-per-second). ");
DEFINE_string(output_dir, ".", "Output directory. "
"The directory where the output file will be put. Must already "
"exist.");
DEFINE_bool(use_single_core, false, "Force using a single core. If set to "
"true, only one core will be used for processing. Using a single "
"core is necessary to get a deterministic behavior for the"
"encoded frames - using multiple cores will produce different "
"encoded frames since multiple cores are competing to consume the "
"byte budget for each frame in parallel. If set to false, "
"the maximum detected number of cores will be used. ");
DEFINE_bool(disable_fixed_random_seed , false, "Set this flag to disable the"
"usage of a fixed random seed for the random generator used "
"for packet loss. Disabling this will cause consecutive runs "
"loose packets at different locations, which is bad for "
"reproducibility.");
DEFINE_string(output_filename, "", "Output file. "
"The name of the output video file resulting of the processing "
"of the source file. By default this is the same name as the "
"input file with '_out' appended before the extension.");
DEFINE_int32(bitrate, 500, "Bit rate in kilobits/second.");
DEFINE_int32(keyframe_interval, 0, "Forces a keyframe every Nth frame. "
"0 means the encoder decides when to insert keyframes. Note that "
"the encoder may create a keyframe in other locations in addition "
"to the interval that is set using this parameter.");
DEFINE_int32(temporal_layers, 0, "The number of temporal layers to use "
"(VP8 specific codec setting). Must be 0-4.");
DEFINE_int32(packet_size, 1500, "Simulated network packet size in bytes (MTU). "
"Used for packet loss simulation.");
DEFINE_int32(max_payload_size, 1440, "Max payload size in bytes for the "
"encoder.");
DEFINE_string(packet_loss_mode, "uniform", "Packet loss mode. Two different "
"packet loss models are supported: uniform or burst. This "
"setting has no effect unless packet_loss_rate is >0. ");
DEFINE_double(packet_loss_probability, 0.0, "Packet loss probability. A value "
"between 0.0 and 1.0 that defines the probability of a packet "
"being lost. 0.1 means 10% and so on.");
DEFINE_int32(packet_loss_burst_length, 1, "Packet loss burst length. Defines "
"how many packets will be lost in a burst when a packet has been "
"decided to be lost. Must be >=1.");
DEFINE_bool(csv, false, "CSV output. Enabling this will output all frame "
"statistics at the end of execution. Recommended to run combined "
"with --noverbose to avoid mixing output.");
DEFINE_bool(python, false, "Python output. Enabling this will output all frame "
"statistics as a Python script at the end of execution. "
"Recommended to run combine with --noverbose to avoid mixing "
"output.");
DEFINE_bool(verbose, true, "Verbose mode. Prints a lot of debugging info. "
"Suitable for tracking progress but not for capturing output. "
"Disable with --noverbose flag.");
// Custom log method that only prints if the verbose flag is given.
// Supports all the standard printf parameters and formatting (just forwarded).
int Log(const char *format, ...) {
int result = 0;
if (FLAGS_verbose) {
va_list args;
va_start(args, format);
result = vprintf(format, args);
va_end(args);
}
return result;
}
// Validates the arguments given as command line flags and fills in the
// TestConfig struct with all configurations needed for video processing.
// Returns 0 if everything is OK, otherwise an exit code.
int HandleCommandLineFlags(webrtc::test::TestConfig* config) {
// Validate the mandatory flags:
if (FLAGS_input_filename == "" || FLAGS_width == -1 || FLAGS_height == -1) {
printf("%s\n", google::ProgramUsage());
return 1;
}
config->name = FLAGS_test_name;
config->description = FLAGS_test_description;
// Verify the input file exists and is readable.
FILE* test_file;
test_file = fopen(FLAGS_input_filename.c_str(), "rb");
if (test_file == NULL) {
fprintf(stderr, "Cannot read the specified input file: %s\n",
FLAGS_input_filename.c_str());
return 2;
}
fclose(test_file);
config->input_filename = FLAGS_input_filename;
// Verify the output dir exists.
struct stat dir_info;
if (!(stat(FLAGS_output_dir.c_str(), &dir_info) == 0 &&
S_ISDIR(dir_info.st_mode))) {
fprintf(stderr, "Cannot find output directory: %s\n",
FLAGS_output_dir.c_str());
return 3;
}
config->output_dir = FLAGS_output_dir;
// Manufacture an output filename if none was given.
if (FLAGS_output_filename == "") {
// Cut out the filename without extension from the given input file
// (which may include a path)
int startIndex = FLAGS_input_filename.find_last_of("/") + 1;
if (startIndex == 0) {
startIndex = 0;
}
FLAGS_output_filename =
FLAGS_input_filename.substr(startIndex,
FLAGS_input_filename.find_last_of(".")
- startIndex) + "_out.yuv";
}
// Verify output file can be written.
if (FLAGS_output_dir == ".") {
config->output_filename = FLAGS_output_filename;
} else {
config->output_filename = FLAGS_output_dir + "/"+ FLAGS_output_filename;
}
test_file = fopen(config->output_filename.c_str(), "wb");
if (test_file == NULL) {
fprintf(stderr, "Cannot write output file: %s\n",
config->output_filename.c_str());
return 4;
}
fclose(test_file);
// Check single core flag.
config->use_single_core = FLAGS_use_single_core;
// Get codec specific configuration.
webrtc::VideoCodingModule::Codec(webrtc::kVideoCodecVP8,
config->codec_settings);
// Check the temporal layers.
if (FLAGS_temporal_layers < 0 ||
FLAGS_temporal_layers > webrtc::kMaxTemporalStreams) {
fprintf(stderr, "Temporal layers number must be 0-4, was: %d\n",
FLAGS_temporal_layers);
return 13;
}
config->codec_settings->codecSpecific.VP8.numberOfTemporalLayers =
FLAGS_temporal_layers;
// Check the bit rate.
if (FLAGS_bitrate <= 0) {
fprintf(stderr, "Bit rate must be >0 kbps, was: %d\n", FLAGS_bitrate);
return 5;
}
config->codec_settings->startBitrate = FLAGS_bitrate;
// Check the keyframe interval.
if (FLAGS_keyframe_interval < 0) {
fprintf(stderr, "Keyframe interval must be >=0, was: %d\n",
FLAGS_keyframe_interval);
return 6;
}
config->keyframe_interval = FLAGS_keyframe_interval;
// Check packet size and max payload size.
if (FLAGS_packet_size <= 0) {
fprintf(stderr, "Packet size must be >0 bytes, was: %d\n",
FLAGS_packet_size);
return 7;
}
config->networking_config.packet_size_in_bytes = FLAGS_packet_size;
if (FLAGS_max_payload_size <= 0) {
fprintf(stderr, "Max payload size must be >0 bytes, was: %d\n",
FLAGS_max_payload_size);
return 8;
}
config->networking_config.max_payload_size_in_bytes =
FLAGS_max_payload_size;
// Check the width and height
if (FLAGS_width <= 0 || FLAGS_height <= 0) {
fprintf(stderr, "Width and height must be >0.");
return 9;
}
config->codec_settings->width = FLAGS_width;
config->codec_settings->height = FLAGS_height;
config->codec_settings->maxFramerate = FLAGS_framerate;
// Calculate the size of each frame to read (according to YUV spec).
config->frame_length_in_bytes =
3 * config->codec_settings->width * config->codec_settings->height / 2;
// Check packet loss settings
if (FLAGS_packet_loss_mode != "uniform" &&
FLAGS_packet_loss_mode != "burst") {
fprintf(stderr, "Unsupported packet loss mode, must be 'uniform' or "
"'burst'\n.");
return 10;
}
config->networking_config.packet_loss_mode = webrtc::test::kUniform;
if (FLAGS_packet_loss_mode == "burst") {
config->networking_config.packet_loss_mode = webrtc::test::kBurst;
}
if (FLAGS_packet_loss_probability < 0.0 ||
FLAGS_packet_loss_probability > 1.0) {
fprintf(stderr, "Invalid packet loss probability. Must be 0.0 - 1.0, "
"was: %f\n", FLAGS_packet_loss_probability);
return 11;
}
config->networking_config.packet_loss_probability =
FLAGS_packet_loss_probability;
if (FLAGS_packet_loss_burst_length < 1) {
fprintf(stderr, "Invalid packet loss burst length, must be >=1, "
"was: %d\n", FLAGS_packet_loss_burst_length);
return 12;
}
config->networking_config.packet_loss_burst_length =
FLAGS_packet_loss_burst_length;
config->verbose = FLAGS_verbose;
return 0;
}
void CalculateSsimVideoMetrics(webrtc::test::TestConfig* config,
webrtc::test::QualityMetricsResult* result) {
Log("Calculating SSIM...\n");
I420SSIMFromFiles(config->input_filename.c_str(),
config->output_filename.c_str(),
config->codec_settings->width,
config->codec_settings->height, result);
Log(" Average: %3.2f\n", result->average);
Log(" Min : %3.2f (frame %d)\n", result->min, result->min_frame_number);
Log(" Max : %3.2f (frame %d)\n", result->max, result->max_frame_number);
}
void CalculatePsnrVideoMetrics(webrtc::test::TestConfig* config,
webrtc::test::QualityMetricsResult* result) {
Log("Calculating PSNR...\n");
I420PSNRFromFiles(config->input_filename.c_str(),
config->output_filename.c_str(),
config->codec_settings->width,
config->codec_settings->height, result);
Log(" Average: %3.2f\n", result->average);
Log(" Min : %3.2f (frame %d)\n", result->min, result->min_frame_number);
Log(" Max : %3.2f (frame %d)\n", result->max, result->max_frame_number);
}
void PrintConfigurationSummary(const webrtc::test::TestConfig& config) {
Log("Quality test with parameters:\n");
Log(" Test name : %s\n", config.name.c_str());
Log(" Description : %s\n", config.description.c_str());
Log(" Input filename : %s\n", config.input_filename.c_str());
Log(" Output directory : %s\n", config.output_dir.c_str());
Log(" Output filename : %s\n", config.output_filename.c_str());
Log(" Frame length : %d bytes\n", config.frame_length_in_bytes);
Log(" Packet size : %d bytes\n",
config.networking_config.packet_size_in_bytes);
Log(" Max payload size : %d bytes\n",
config.networking_config.max_payload_size_in_bytes);
Log(" Packet loss:\n");
Log(" Mode : %s\n",
PacketLossModeToStr(config.networking_config.packet_loss_mode));
Log(" Probability : %2.1f\n",
config.networking_config.packet_loss_probability);
Log(" Burst length : %d packets\n",
config.networking_config.packet_loss_burst_length);
}
void PrintCsvOutput(const webrtc::test::Stats& stats,
const webrtc::test::QualityMetricsResult& ssim_result,
const webrtc::test::QualityMetricsResult& psnr_result) {
Log("\nCSV output (recommended to run with --noverbose to skip the "
"above output)\n");
printf("frame_number encoding_successful decoding_successful "
"encode_return_code decode_return_code "
"encode_time_in_us decode_time_in_us "
"bit_rate_in_kbps encoded_frame_length_in_bytes frame_type "
"packets_dropped total_packets "
"ssim psnr\n");
for (unsigned int i = 0; i < stats.stats_.size(); ++i) {
const webrtc::test::FrameStatistic& f = stats.stats_[i];
const webrtc::test::FrameResult& ssim = ssim_result.frames[i];
const webrtc::test::FrameResult& psnr = psnr_result.frames[i];
printf("%4d, %d, %d, %2d, %2d, %6d, %6d, %5d, %7d, %d, %2d, %2d, "
"%5.3f, %5.2f\n",
f.frame_number,
f.encoding_successful,
f.decoding_successful,
f.encode_return_code,
f.decode_return_code,
f.encode_time_in_us,
f.decode_time_in_us,
f.bit_rate_in_kbps,
f.encoded_frame_length_in_bytes,
f.frame_type,
f.packets_dropped,
f.total_packets,
ssim.value,
psnr.value);
}
}
void PrintPythonOutput(const webrtc::test::TestConfig& config,
const webrtc::test::Stats& stats,
const webrtc::test::QualityMetricsResult& ssim_result,
const webrtc::test::QualityMetricsResult& psnr_result) {
Log("\nPython output (recommended to run with --noverbose to skip the "
"above output)\n");
printf("test_configuration = ["
"{'name': 'name', 'value': '%s'},\n"
"{'name': 'description', 'value': '%s'},\n"
"{'name': 'test_number', 'value': '%d'},\n"
"{'name': 'input_filename', 'value': '%s'},\n"
"{'name': 'output_filename', 'value': '%s'},\n"
"{'name': 'output_dir', 'value': '%s'},\n"
"{'name': 'packet_size_in_bytes', 'value': '%d'},\n"
"{'name': 'max_payload_size_in_bytes', 'value': '%d'},\n"
"{'name': 'packet_loss_mode', 'value': '%s'},\n"
"{'name': 'packet_loss_probability', 'value': '%f'},\n"
"{'name': 'packet_loss_burst_length', 'value': '%d'},\n"
"{'name': 'exclude_frame_types', 'value': '%s'},\n"
"{'name': 'frame_length_in_bytes', 'value': '%d'},\n"
"{'name': 'use_single_core', 'value': '%s'},\n"
"{'name': 'keyframe_interval;', 'value': '%d'},\n"
"{'name': 'video_codec_type', 'value': '%s'},\n"
"{'name': 'width', 'value': '%d'},\n"
"{'name': 'height', 'value': '%d'},\n"
"{'name': 'bit_rate_in_kbps', 'value': '%d'},\n"
"]\n",
config.name.c_str(),
config.description.c_str(),
config.test_number,
config.input_filename.c_str(),
config.output_filename.c_str(),
config.output_dir.c_str(),
config.networking_config.packet_size_in_bytes,
config.networking_config.max_payload_size_in_bytes,
PacketLossModeToStr(config.networking_config.packet_loss_mode),
config.networking_config.packet_loss_probability,
config.networking_config.packet_loss_burst_length,
ExcludeFrameTypesToStr(config.exclude_frame_types),
config.frame_length_in_bytes,
config.use_single_core ? "True " : "False",
config.keyframe_interval,
webrtc::test::VideoCodecTypeToStr(config.codec_settings->codecType),
config.codec_settings->width,
config.codec_settings->height,
config.codec_settings->startBitrate);
printf("frame_data_types = {"
"'frame_number': ('number', 'Frame number'),\n"
"'encoding_successful': ('boolean', 'Encoding successful?'),\n"
"'decoding_successful': ('boolean', 'Decoding successful?'),\n"
"'encode_time': ('number', 'Encode time (us)'),\n"
"'decode_time': ('number', 'Decode time (us)'),\n"
"'encode_return_code': ('number', 'Encode return code'),\n"
"'decode_return_code': ('number', 'Decode return code'),\n"
"'bit_rate': ('number', 'Bit rate (kbps)'),\n"
"'encoded_frame_length': "
"('number', 'Encoded frame length (bytes)'),\n"
"'frame_type': ('string', 'Frame type'),\n"
"'packets_dropped': ('number', 'Packets dropped'),\n"
"'total_packets': ('number', 'Total packets'),\n"
"'ssim': ('number', 'SSIM'),\n"
"'psnr': ('number', 'PSNR (dB)'),\n"
"}\n");
printf("frame_data = [");
for (unsigned int i = 0; i < stats.stats_.size(); ++i) {
const webrtc::test::FrameStatistic& f = stats.stats_[i];
const webrtc::test::FrameResult& ssim = ssim_result.frames[i];
const webrtc::test::FrameResult& psnr = psnr_result.frames[i];
printf("{'frame_number': %d, "
"'encoding_successful': %s, 'decoding_successful': %s, "
"'encode_time': %d, 'decode_time': %d, "
"'encode_return_code': %d, 'decode_return_code': %d, "
"'bit_rate': %d, 'encoded_frame_length': %d, 'frame_type': %s, "
"'packets_dropped': %d, 'total_packets': %d, "
"'ssim': %f, 'psnr': %f},\n",
f.frame_number,
f.encoding_successful ? "True " : "False",
f.decoding_successful ? "True " : "False",
f.encode_time_in_us,
f.decode_time_in_us,
f.encode_return_code,
f.decode_return_code,
f.bit_rate_in_kbps,
f.encoded_frame_length_in_bytes,
f.frame_type == webrtc::kDeltaFrame ? "'Delta'" : "'Other'",
f.packets_dropped,
f.total_packets,
ssim.value,
psnr.value);
}
printf("]\n");
}
// Runs a quality measurement on the input file supplied to the program.
// The input file must be in YUV format.
int main(int argc, char* argv[]) {
std::string program_name = argv[0];
std::string usage = "Quality test application for video comparisons.\n"
"Run " + program_name + " --helpshort for usage.\n"
"Example usage:\n" + program_name +
" --input_filename=filename.yuv --width=352 --height=288\n";
google::SetUsageMessage(usage);
google::ParseCommandLineFlags(&argc, &argv, true);
// Create TestConfig and codec settings struct.
webrtc::test::TestConfig config;
webrtc::VideoCodec codec_settings;
config.codec_settings = &codec_settings;
int return_code = HandleCommandLineFlags(&config);
// Exit if an invalid argument is supplied.
if (return_code != 0) {
return return_code;
}
PrintConfigurationSummary(config);
webrtc::VP8Encoder* encoder = webrtc::VP8Encoder::Create();
webrtc::VP8Decoder* decoder = webrtc::VP8Decoder::Create();
webrtc::test::Stats stats;
webrtc::test::FrameReaderImpl frame_reader(config.input_filename,
config.frame_length_in_bytes);
webrtc::test::FrameWriterImpl frame_writer(config.output_filename,
config.frame_length_in_bytes);
frame_reader.Init();
frame_writer.Init();
webrtc::test::PacketReader packet_reader;
webrtc::test::PacketManipulatorImpl packet_manipulator(
&packet_reader, config.networking_config, config.verbose);
// By default the packet manipulator is seeded with a fixed random.
// If disabled we must generate a new seed.
if (FLAGS_disable_fixed_random_seed) {
packet_manipulator.InitializeRandomSeed(time(NULL));
}
webrtc::test::VideoProcessor* processor =
new webrtc::test::VideoProcessorImpl(encoder, decoder,
&frame_reader,
&frame_writer,
&packet_manipulator,
config, &stats);
processor->Init();
int frame_number = 0;
while (processor->ProcessFrame(frame_number)) {
if (frame_number % 80 == 0) {
Log("\n"); // make the output a bit nicer.
}
Log(".");
frame_number++;
}
Log("\n");
Log("Processed %d frames\n", frame_number);
// Release encoder and decoder to make sure they have finished processing.
encoder->Release();
decoder->Release();
// Verify statistics are correct:
assert(frame_number == static_cast<int>(stats.stats_.size()));
// Close the files before we start using them for SSIM/PSNR calculations.
frame_reader.Close();
frame_writer.Close();
stats.PrintSummary();
webrtc::test::QualityMetricsResult ssim_result;
CalculateSsimVideoMetrics(&config, &ssim_result);
webrtc::test::QualityMetricsResult psnr_result;
CalculatePsnrVideoMetrics(&config, &psnr_result);
if (FLAGS_csv) {
PrintCsvOutput(stats, ssim_result, psnr_result);
}
if (FLAGS_python) {
PrintPythonOutput(config, stats, ssim_result, psnr_result);
}
delete processor;
delete encoder;
delete decoder;
Log("Quality test finished!");
return 0;
}