#include <assert.h>
#include <stdio.h>
#include <time.h>
#include <stdarg.h>
#include <sys/stat.h>
#include "gflags/gflags.h"
#include "webrtc/base/format_macros.h"
#include "webrtc/common_types.h"
#include "webrtc/modules/video_coding/codecs/test/packet_manipulator.h"
#include "webrtc/modules/video_coding/codecs/test/stats.h"
#include "webrtc/modules/video_coding/codecs/test/videoprocessor.h"
#include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
#include "webrtc/modules/video_coding/include/video_coding.h"
#include "webrtc/system_wrappers/include/trace.h"
#include "webrtc/test/testsupport/frame_reader.h"
#include "webrtc/test/testsupport/frame_writer.h"
#include "webrtc/test/testsupport/metrics/video_metrics.h"
#include "webrtc/test/testsupport/packet_reader.h"

Macros
#define	S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)

Functions
	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.")

int	Log (const char *format,...)

int	HandleCommandLineFlags (webrtc::test::TestConfig *config)

void	CalculateSsimVideoMetrics (webrtc::test::TestConfig config, webrtc::test::QualityMetricsResult result)

void	CalculatePsnrVideoMetrics (webrtc::test::TestConfig config, webrtc::test::QualityMetricsResult result)

void	PrintConfigurationSummary (const webrtc::test::TestConfig &config)

void	PrintCsvOutput (const webrtc::test::Stats &stats, const webrtc::test::QualityMetricsResult &ssim_result, const webrtc::test::QualityMetricsResult &psnr_result)

void	PrintPythonOutput (const webrtc::test::TestConfig &config, const webrtc::test::Stats &stats, const webrtc::test::QualityMetricsResult &ssim_result, const webrtc::test::QualityMetricsResult &psnr_result)

int	main (int argc, char *argv[])

Macro Definition Documentation

◆ S_ISDIR

#define S_ISDIR ( mode ) (((mode)&S_IFMT) == S_IFDIR)

Function Documentation

◆ CalculatePsnrVideoMetrics()

void CalculatePsnrVideoMetrics	(	webrtc::test::TestConfig *	config,
		webrtc::test::QualityMetricsResult *	result
	)

◆ CalculateSsimVideoMetrics()

void CalculateSsimVideoMetrics	(	webrtc::test::TestConfig *	config,
		webrtc::test::QualityMetricsResult *	result
	)

◆ DEFINE_bool() [1/5]

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() [2/5]

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_bool() [3/5]

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() [4/5]

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() [5/5]

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."
	)

◆ DEFINE_double()

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() [1/9]

DEFINE_int32	(	width	,
		-	1,
		"Width in pixels of the frames in the input file."
	)

◆ DEFINE_int32() [2/9]

DEFINE_int32	(	height	,
		-	1,
		"Height in pixels of the frames in the input file."
	)

◆ DEFINE_int32() [3/9]

DEFINE_int32	(	framerate	,
		30	,
		"Frame rate of the input	file,
		in FPS " "(frames-per-second). "
	)

◆ DEFINE_int32() [4/9]

DEFINE_int32	(	bitrate	,
		500	,
		"Bit rate in kilobits/second."
	)

◆ DEFINE_int32() [5/9]

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() [6/9]

DEFINE_int32	(	temporal_layers	,
		0	,
		"The number of temporal layers to use " "(VP8 specific codec setting). Must be 0-4."
	)

◆ DEFINE_int32() [7/9]

DEFINE_int32	(	packet_size	,
		1500	,
		"Simulated network packet size in bytes (MTU). " "Used for packet loss simulation."
	)

◆ DEFINE_int32() [8/9]

DEFINE_int32	(	max_payload_size	,
		1440	,
		"Max payload size in bytes for the " "encoder."
	)

◆ DEFINE_int32() [9/9]

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_string() [1/6]

DEFINE_string	(	test_name	,
		"Quality test"	,
		"The name of the test to run. "
	)

◆ DEFINE_string() [2/6]

DEFINE_string	(	test_description	,
		""	,
		"A more detailed description about what " "the current test is about."
	)

◆ DEFINE_string() [3/6]

DEFINE_string	(	input_filename	,
		""	,
		"Input file. " "The source video file to be encoded and decoded. Must be in " ".yuv format"
	)

◆ DEFINE_string() [4/6]

DEFINE_string	(	output_dir	,
		"."	,
		"Output directory. " "The directory where the output file will be put. Must already " "exist."
	)

◆ DEFINE_string() [5/6]

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_string() [6/6]

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. "
	)

◆ HandleCommandLineFlags()

int HandleCommandLineFlags ( webrtc::test::TestConfig * config )

◆ Log()

int Log	(	const char *	format,
			...
	)

◆ main()

int main	(	int	argc,
		char *	argv[]
	)

◆ PrintConfigurationSummary()

void PrintConfigurationSummary ( const webrtc::test::TestConfig & config )

◆ PrintCsvOutput()

void PrintCsvOutput	(	const webrtc::test::Stats &	stats,
		const webrtc::test::QualityMetricsResult &	ssim_result,
		const webrtc::test::QualityMetricsResult &	psnr_result
	)

◆ PrintPythonOutput()

void PrintPythonOutput	(	const webrtc::test::TestConfig &	config,
		const webrtc::test::Stats &	stats,
		const webrtc::test::QualityMetricsResult &	ssim_result,
		const webrtc::test::QualityMetricsResult &	psnr_result
	)

Macros

Functions