simple media prober based on the FFmpeg libraries More...

#include "config.h"
#include "libavutil/ffversion.h"
#include <string.h>
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/display.h"
#include "libavutil/hash.h"
#include "libavutil/mastering_display_metadata.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/spherical.h"
#include "libavutil/stereo3d.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/libm.h"
#include "libavutil/parseutils.h"
#include "libavutil/timecode.h"
#include "libavutil/timestamp.h"
#include "libavdevice/avdevice.h"
#include "libswscale/swscale.h"
#include "libswresample/swresample.h"
#include "libpostproc/postprocess.h"
#include "cmdutils.h"
#include "libavutil/thread.h"

Classes
struct	InputStream

struct	InputFile

struct	ReadInterval

struct	section

struct	LogBuffer

struct	unit_value

struct	Writer

struct	WriterContext

struct	DefaultContext

struct	CompactContext

struct	FlatContext

struct	INIContext

struct	JSONContext

struct	XMLContext

Macros
#define	pthread_mutex_lock(a) do{}while(0)

#define	pthread_mutex_unlock(a) do{}while(0)

#define	SECTION_MAX_NB_CHILDREN 10

#define	SECTION_FLAG_IS_WRAPPER 1
	the section only contains other sections, but has no data at its own level

#define	SECTION_FLAG_IS_ARRAY 2
	the section contains an array of elements of the same type

#define	SECTION_FLAG_HAS_VARIABLE_FIELDS 4
	the section may contain a variable number of fields with variable keys. More...

#define	WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1

#define	WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2

#define	SECTION_MAX_NB_LEVELS 10

#define	OFFSET(x) offsetof(WriterContext, x)

#define	PRINT_STRING_OPT 1

#define	PRINT_STRING_VALIDATE 2

#define	MAX_REGISTERED_WRITERS_NB 64

#define	DEFINE_WRITER_CLASS(name)

#define	OFFSET(x) offsetof(DefaultContext, x)

#define	OFFSET(x) offsetof(CompactContext, x)

#define	OFFSET(x) offsetof(CompactContext, x)

#define	OFFSET(x) offsetof(FlatContext, x)

#define	OFFSET(x) offsetof(INIContext, x)

#define	OFFSET(x) offsetof(JSONContext, x)

#define	JSON_INDENT() printf("%c", json->indent_level 4, ' ')

#define	OFFSET(x) offsetof(XMLContext, x)

#define	CHECK_COMPLIANCE(opt, opt_name)

#define	XML_INDENT() printf("%c", xml->indent_level 4, ' ')

#define	print_fmt(k, f, ...)

#define	print_int(k, v) writer_print_integer(w, k, v)

#define	print_q(k, v, s) writer_print_rational(w, k, v, s)

#define	print_str(k, v) writer_print_string(w, k, v, 0)

#define	print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)

#define	print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)

#define	print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)

#define	print_ts(k, v) writer_print_ts(w, k, v, 0)

#define	print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)

#define	print_duration_ts(k, v) writer_print_ts(w, k, v, 1)

#define	print_val(k, v, u)

#define	print_section_header(s) writer_print_section_header(w, s)

#define	print_section_footer(s) writer_print_section_footer(w, s)

#define	REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n)

#define	PRINT_DISPOSITION(flagname, name)

#define	CHECK_END if (ret < 0) goto end

#define	SHOW_LIB_VERSION(libname, LIBNAME)

#define	PRINT_PIX_FMT_FLAG(flagname, name)

#define	DEFINE_OPT_SHOW_SECTION(section, target_section_id)

#define	SET_DO_SHOW(id, varname)

Typedefs
typedef struct InputStream	InputStream

typedef struct InputFile	InputFile

typedef struct ReadInterval	ReadInterval

typedef struct LogBuffer	LogBuffer

typedef struct WriterContext	WriterContext

typedef struct Writer	Writer

typedef struct DefaultContext	DefaultContext

typedef struct CompactContext	CompactContext

typedef struct FlatContext	FlatContext

typedef struct INIContext	INIContext

typedef struct JSONContext	JSONContext

typedef struct XMLContext	XMLContext

Enumerations
enum	SectionID { SECTION_ID_NONE = -1, SECTION_ID_CHAPTER, SECTION_ID_CHAPTER_TAGS, SECTION_ID_CHAPTERS, SECTION_ID_ERROR, SECTION_ID_FORMAT, SECTION_ID_FORMAT_TAGS, SECTION_ID_FRAME, SECTION_ID_FRAMES, SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_SIDE_DATA, SECTION_ID_FRAME_LOG, SECTION_ID_FRAME_LOGS, SECTION_ID_LIBRARY_VERSION, SECTION_ID_LIBRARY_VERSIONS, SECTION_ID_PACKET, SECTION_ID_PACKET_TAGS, SECTION_ID_PACKETS, SECTION_ID_PACKETS_AND_FRAMES, SECTION_ID_PACKET_SIDE_DATA_LIST, SECTION_ID_PACKET_SIDE_DATA, SECTION_ID_PIXEL_FORMAT, SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENT, SECTION_ID_PIXEL_FORMAT_COMPONENTS, SECTION_ID_PIXEL_FORMATS, SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, SECTION_ID_PROGRAM, SECTION_ID_PROGRAM_STREAMS, SECTION_ID_PROGRAM_STREAM, SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_VERSION, SECTION_ID_PROGRAMS, SECTION_ID_ROOT, SECTION_ID_STREAM, SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAMS, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, SECTION_ID_STREAM_SIDE_DATA, SECTION_ID_SUBTITLE }

enum	StringValidation { WRITER_STRING_VALIDATION_FAIL, WRITER_STRING_VALIDATION_REPLACE, WRITER_STRING_VALIDATION_IGNORE, WRITER_STRING_VALIDATION_NB }

Functions
	DEFINE_WRITER_CLASS (default)

	DEFINE_WRITER_CLASS (compact)

	DEFINE_WRITER_CLASS (csv)

	DEFINE_WRITER_CLASS (flat)

	DEFINE_WRITER_CLASS (ini)

	DEFINE_WRITER_CLASS (json)

	DEFINE_WRITER_CLASS (xml)

void	show_help_default (const char opt, const char arg)
	Per-fftool specific help handler. More...

int	main (int argc, char **argv)

Variables
const char	program_name [] = "ffprobe"
	program name, defined by the program for show_version().

const int	program_birth_year = 2007
	program birth year, defined by the program for show_banner()

Detailed Description

simple media prober based on the FFmpeg libraries

Macro Definition Documentation

§ CHECK_COMPLIANCE

#define CHECK_COMPLIANCE	(	opt,
		opt_name
	)

Value:

if (opt) {                                                      \
            av_log(wctx, AV_LOG_ERROR,                                  \
                   "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
                   "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
            return AVERROR(EINVAL);                                     \
        }

§ DEFINE_OPT_SHOW_SECTION

#define DEFINE_OPT_SHOW_SECTION	(	section,
		target_section_id
	)

Value:

static int opt_show_##section(const char *opt, const char *arg)     \
    {                                                                   \
        mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
        return 0;                                                       \
    }

§ DEFINE_WRITER_CLASS

#define DEFINE_WRITER_CLASS ( name )

Value:

static const char *name##_get_name(void *ctx)       \
{                                                   \
    return #name ;                                  \
}                                                   \
static const AVClass name##_class = {               \
    .class_name = #name,                            \
    .item_name  = name##_get_name,                  \
    .option     = name##_options                    \
}

§ PRINT_DISPOSITION

#define PRINT_DISPOSITION	(	flagname,
		name
	)

Value:

do {                                \
        print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
    } while (0)

§ print_fmt

#define print_fmt	(	k,
		f,
		...
	)

Value:

do {              \
    av_bprint_clear(&pbuf);                    \
    av_bprintf(&pbuf, f, __VA_ARGS__);         \
    writer_print_string(w, k, pbuf.str, 0);    \
} while (0)

§ PRINT_PIX_FMT_FLAG

#define PRINT_PIX_FMT_FLAG	(	flagname,
		name
	)

Value:

do {                                                                  \
        print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
    } while (0)

§ print_val

#define print_val	(	k,
		v,
		u
	)

Value:

do {                                     \
    struct unit_value uv;                                           \
    uv.val.i = v;                                                   \
    uv.unit = u;                                                    \
    writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
} while (0)

§ REALLOCZ_ARRAY_STREAM

#define REALLOCZ_ARRAY_STREAM	(	ptr,
		cur_n,
		new_n
	)

Value:

{                                                                       \
    ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr)));           \
    if (ret < 0)                                                        \
        goto end;                                                       \
    memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
}

§ SECTION_FLAG_HAS_VARIABLE_FIELDS

#define SECTION_FLAG_HAS_VARIABLE_FIELDS 4

the section may contain a variable number of fields with variable keys.

§ SET_DO_SHOW

#define SET_DO_SHOW	(	id,
		varname
	)

Value:

do {                                   \
        if (check_section_show_entries(SECTION_ID_##id))                \
            do_show_##varname = 1;                                      \
    } while (0)

§ SHOW_LIB_VERSION

#define SHOW_LIB_VERSION	(	libname,
		LIBNAME
	)

Value:

do {                                                                \
        if (CONFIG_##LIBNAME) {                                         \
            unsigned int version = libname##_version();                 \
            writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
            print_str("name",    "lib" #libname);                       \
            print_int("major",   LIB##LIBNAME##_VERSION_MAJOR);         \
            print_int("minor",   LIB##LIBNAME##_VERSION_MINOR);         \
            print_int("micro",   LIB##LIBNAME##_VERSION_MICRO);         \
            print_int("version", version);                              \
            print_str("ident",   LIB##LIBNAME##_IDENT);                 \
            writer_print_section_footer(w);                             \
        }                                                               \
    } while (0)

Function Documentation

§ show_help_default()

void show_help_default	(	const char *	opt,
		const char *	arg
	)

Per-fftool specific help handler.

Implemented in each fftool, called by show_help().

Classes

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

§ CHECK_COMPLIANCE

§ DEFINE_OPT_SHOW_SECTION

§ DEFINE_WRITER_CLASS

§ PRINT_DISPOSITION

§ print_fmt

§ PRINT_PIX_FMT_FLAG

§ print_val

§ REALLOCZ_ARRAY_STREAM

§ SECTION_FLAG_HAS_VARIABLE_FIELDS

§ SET_DO_SHOW

§ SHOW_LIB_VERSION

Function Documentation

§ show_help_default()