mobileffmpeg.c File Reference

Go to the source code of this file.

Data Structures
struct	CallbackData

Functions
int	ffmpeg_execute (int argc, char **argv)
static const char *	avutil_log_get_level_str (int level)
static void	avutil_log_format_line (void *avcl, int level, const char *fmt, va_list vl, AVBPrint part[4], int *print_prefix)
static void	avutil_log_sanitize (uint8_t *line)
void	mutexInit ()
void	monitorInit ()
void	logInit ()
void	executionMapLockInit ()
void	mutexUnInit ()
void	monitorUnInit ()
void	logUnInit ()
void	executionMapLockUnInit ()
void	mutexLock ()
void	lastCommandOutputLock ()
void	executionMapLock ()
void	mutexUnlock ()
void	lastCommandOutputUnlock ()
void	executionMapUnlock ()
void	clearLastCommandOutput ()
void	appendLastCommandOutput (AVBPrint *logMessage)
void	monitorWait (int milliSeconds)
void	monitorNotify ()
void	logCallbackDataAdd (int level, AVBPrint *data)
void	statisticsCallbackDataAdd (int frameNumber, float fps, float quality, int64_t size, int time, double bitrate, double speed)
void	addExecution (long id)
struct CallbackData *	callbackDataRemove ()
void	removeExecution (long id)
int	cancelRequested (long id)
void	mobileffmpeg_log_callback_function (void *ptr, int level, const char *format, va_list vargs)
void	mobileffmpeg_statistics_callback_function (int frameNumber, float fps, float quality, int64_t size, int time, double bitrate, double speed)
void *	callbackThreadFunction ()
jint	JNI_OnLoad (JavaVM *vm, void *reserved)
JNIEXPORT void JNICALL	Java_com_arthenica_mobileffmpeg_Config_setNativeLogLevel (JNIEnv *env, jclass object, jint level)
JNIEXPORT jint JNICALL	Java_com_arthenica_mobileffmpeg_Config_getNativeLogLevel (JNIEnv *env, jclass object)
JNIEXPORT void JNICALL	Java_com_arthenica_mobileffmpeg_Config_enableNativeRedirection (JNIEnv *env, jclass object)
JNIEXPORT void JNICALL	Java_com_arthenica_mobileffmpeg_Config_disableNativeRedirection (JNIEnv *env, jclass object)
JNIEXPORT jstring JNICALL	Java_com_arthenica_mobileffmpeg_Config_getNativeFFmpegVersion (JNIEnv *env, jclass object)
JNIEXPORT jstring JNICALL	Java_com_arthenica_mobileffmpeg_Config_getNativeVersion (JNIEnv *env, jclass object)
JNIEXPORT jint JNICALL	Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegExecute (JNIEnv *env, jclass object, jlong id, jobjectArray stringArray)
JNIEXPORT void JNICALL	Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegCancel (JNIEnv *env, jclass object, jlong id)
JNIEXPORT int JNICALL	Java_com_arthenica_mobileffmpeg_Config_registerNewNativeFFmpegPipe (JNIEnv *env, jclass object, jstring ffmpegPipePath)
JNIEXPORT jstring JNICALL	Java_com_arthenica_mobileffmpeg_Config_getNativeBuildDate (JNIEnv *env, jclass object)
JNIEXPORT int JNICALL	Java_com_arthenica_mobileffmpeg_Config_setNativeEnvironmentVariable (JNIEnv *env, jclass object, jstring variableName, jstring variableValue)
JNIEXPORT jstring JNICALL	Java_com_arthenica_mobileffmpeg_Config_getNativeLastCommandOutput (JNIEnv *env, jclass object)
JNIEXPORT void JNICALL	Java_com_arthenica_mobileffmpeg_Config_ignoreNativeSignal (JNIEnv *env, jclass object, jint signum)

Variables
const int	EXECUTION_MAP_SIZE = 1000
static volatile int	executionMap [EXECUTION_MAP_SIZE]
static pthread_mutex_t	executionMapMutex
static pthread_mutex_t	lockMutex
static pthread_mutex_t	monitorMutex
static pthread_cond_t	monitorCondition
static pthread_mutex_t	logMutex
static AVBPrint	lastCommandOutput
pthread_t	callbackThread
int	redirectionEnabled
struct CallbackData *	callbackDataHead
struct CallbackData *	callbackDataTail
static JavaVM *	globalVm
static jclass	configClass
static jmethodID	logMethod
static jmethodID	statisticsMethod
static jclass	stringClass
static jmethodID	stringConstructor
const char *	configClassName = "com/arthenica/mobileffmpeg/Config"
const char *	stringClassName = "java/lang/String"
volatile int	handleSIGQUIT = 1
volatile int	handleSIGINT = 1
volatile int	handleSIGTERM = 1
volatile int	handleSIGXCPU = 1
volatile int	handleSIGPIPE = 1
__thread volatile long	executionId = 0
JNINativeMethod	configMethods []

Function Documentation

addExecution()

void addExecution

(

long

id

)

Adds an execution id to the execution map.

Parameters

id	execution id

Definition at line 405 of file mobileffmpeg.c.

appendLastCommandOutput()

void appendLastCommandOutput

(

AVBPrint *

logMessage

)

Definition at line 282 of file mobileffmpeg.c.

avutil_log_format_line()

static void avutil_log_format_line ( void *  avcl, int  level, const char *  fmt, va_list  vl, AVBPrint  part[4], int *  print_prefix  )

static

Definition at line 150 of file mobileffmpeg.c.

avutil_log_get_level_str()

static const char* avutil_log_get_level_str ( int  level )

static

Definition at line 125 of file mobileffmpeg.c.

avutil_log_sanitize()

static void avutil_log_sanitize ( uint8_t *  line )

static

Definition at line 182 of file mobileffmpeg.c.

callbackDataRemove()

struct CallbackData* callbackDataRemove

(

)

Removes head of callback data list.

Definition at line 417 of file mobileffmpeg.c.

callbackThreadFunction()

void* callbackThreadFunction

(

)

Forwards callback messages to Java classes.

Definition at line 545 of file mobileffmpeg.c.

cancelRequested()

int cancelRequested

(

long

id

)

Checks whether a cancel request for the given execution id exists in the execution map.

Parameters

id	execution id

Returns

1 if exists, false otherwise

Definition at line 466 of file mobileffmpeg.c.

clearLastCommandOutput()

void clearLastCommandOutput

(

)

Forward declaration for function defined in mobileffmpeg.c

Definition at line 276 of file mobileffmpeg.c.

executionMapLock()

void executionMapLock

(

)

Definition at line 260 of file mobileffmpeg.c.

executionMapLockInit()

void executionMapLockInit

(

)

Definition at line 226 of file mobileffmpeg.c.

executionMapLockUnInit()

void executionMapLockUnInit

(

)

Definition at line 248 of file mobileffmpeg.c.

executionMapUnlock()

void executionMapUnlock

(

)

Definition at line 272 of file mobileffmpeg.c.

ffmpeg_execute()

int ffmpeg_execute	(	int	argc,
		char **	argv
	)

Forward declaration for function defined in fftools_ffmpeg.c

Definition at line 5070 of file fftools_ffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_disableNativeRedirection()

JNIEXPORT void JNICALL Java_com_arthenica_mobileffmpeg_Config_disableNativeRedirection	(	JNIEnv *	env,
		jclass	object
	)

Disables log and statistics redirection.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked

Definition at line 735 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_enableNativeRedirection()

JNIEXPORT void JNICALL Java_com_arthenica_mobileffmpeg_Config_enableNativeRedirection	(	JNIEnv *	env,
		jclass	object
	)

Enables log and statistics redirection.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked

Definition at line 708 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_getNativeBuildDate()

JNIEXPORT jstring JNICALL Java_com_arthenica_mobileffmpeg_Config_getNativeBuildDate	(	JNIEnv *	env,
		jclass	object
	)

Returns MobileFFmpeg library build date natively.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked

Returns

MobileFFmpeg library build date

Definition at line 873 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_getNativeFFmpegVersion()

JNIEXPORT jstring JNICALL Java_com_arthenica_mobileffmpeg_Config_getNativeFFmpegVersion	(	JNIEnv *	env,
		jclass	object
	)

Returns FFmpeg version bundled within the library natively.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked

Returns

FFmpeg version string

Definition at line 760 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_getNativeLastCommandOutput()

JNIEXPORT jstring JNICALL Java_com_arthenica_mobileffmpeg_Config_getNativeLastCommandOutput	(	JNIEnv *	env,
		jclass	object
	)

Returns log output of the last executed command natively.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked

Returns

output of the last executed command

Definition at line 906 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_getNativeLogLevel()

JNIEXPORT jint JNICALL Java_com_arthenica_mobileffmpeg_Config_getNativeLogLevel	(	JNIEnv *	env,
		jclass	object
	)

Returns current log level.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked

Definition at line 698 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_getNativeVersion()

JNIEXPORT jstring JNICALL Java_com_arthenica_mobileffmpeg_Config_getNativeVersion	(	JNIEnv *	env,
		jclass	object
	)

Returns MobileFFmpeg library version natively.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked

Returns

MobileFFmpeg version string

Definition at line 771 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_ignoreNativeSignal()

JNIEXPORT void JNICALL Java_com_arthenica_mobileffmpeg_Config_ignoreNativeSignal	(	JNIEnv *	env,
		jclass	object,
		jint	signum
	)

Registers a new ignored signal. Ignored signals are not handled by the library.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked
signum	signal number

Definition at line 925 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegCancel()

JNIEXPORT void JNICALL Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegCancel	(	JNIEnv *	env,
		jclass	object,
		jlong	id
	)

Cancels an ongoing FFmpeg operation natively.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked
id	execution id

Definition at line 848 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegExecute()

JNIEXPORT jint JNICALL Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegExecute	(	JNIEnv *	env,
		jclass	object,
		jlong	id,
		jobjectArray	stringArray
	)

Synchronously executes FFmpeg natively with arguments provided.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked
id	execution id
stringArray	reference to the object holding FFmpeg command arguments

Returns

zero on successful execution, non-zero on error

Definition at line 784 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_registerNewNativeFFmpegPipe()

JNIEXPORT int JNICALL Java_com_arthenica_mobileffmpeg_Config_registerNewNativeFFmpegPipe	(	JNIEnv *	env,
		jclass	object,
		jstring	ffmpegPipePath
	)

Creates natively a new named pipe to use in FFmpeg operations.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked
ffmpegPipePath	full path of ffmpeg pipe

Returns

zero on successful creation, non-zero on error

Definition at line 860 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_setNativeEnvironmentVariable()

JNIEXPORT int JNICALL Java_com_arthenica_mobileffmpeg_Config_setNativeEnvironmentVariable	(	JNIEnv *	env,
		jclass	object,
		jstring	variableName,
		jstring	variableValue
	)

Sets an environment variable natively

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked
variableName	environment variable name
variableValue	environment variable value

Returns

zero on success, non-zero on error

Definition at line 888 of file mobileffmpeg.c.

Java_com_arthenica_mobileffmpeg_Config_setNativeLogLevel()

JNIEXPORT void JNICALL Java_com_arthenica_mobileffmpeg_Config_setNativeLogLevel	(	JNIEnv *	env,
		jclass	object,
		jint	level
	)

Sets log level.

Parameters

env	pointer to native method interface
object	reference to the class on which this method is invoked
level	log level

Definition at line 688 of file mobileffmpeg.c.

JNI_OnLoad()

jint JNI_OnLoad	(	JavaVM *	vm,
		void *	reserved
	)

Called when 'mobileffmpeg' native library is loaded.

Parameters

vm	pointer to the running virtual machine
reserved	reserved

Returns

JNI version needed by 'mobileffmpeg' library

Definition at line 615 of file mobileffmpeg.c.

lastCommandOutputLock()

void lastCommandOutputLock

(

)

Definition at line 256 of file mobileffmpeg.c.

lastCommandOutputUnlock()

void lastCommandOutputUnlock

(

)

Definition at line 268 of file mobileffmpeg.c.

logCallbackDataAdd()

void logCallbackDataAdd	(	int	level,
		AVBPrint *	data
	)

Adds log data to the end of callback data list.

Parameters

level	log level
data	log data

Definition at line 324 of file mobileffmpeg.c.

logInit()

void logInit

(

)

Definition at line 215 of file mobileffmpeg.c.

logUnInit()

void logUnInit

(

)

Definition at line 244 of file mobileffmpeg.c.

mobileffmpeg_log_callback_function()

void mobileffmpeg_log_callback_function	(	void *	ptr,
		int	level,
		const char *	format,
		va_list	vargs
	)

Callback function for FFmpeg logs.

Parameters

ptr	pointer to AVClass struct
level	log level
format	format string
vargs	arguments

Definition at line 489 of file mobileffmpeg.c.

mobileffmpeg_statistics_callback_function()

void mobileffmpeg_statistics_callback_function	(	int	frameNumber,
		float	fps,
		float	quality,
		int64_t	size,
		int	time,
		double	bitrate,
		double	speed
	)

Callback function for FFmpeg statistics.

Parameters

frameNumber	last processed frame number
fps	frames processed per second
quality	quality of the output stream (video only)
size	size in bytes
time	processed output duration
bitrate	output bit rate in kbits/s
speed	processing speed = processed duration / operation duration

Definition at line 538 of file mobileffmpeg.c.

monitorInit()

void monitorInit

(

)

Definition at line 199 of file mobileffmpeg.c.

monitorNotify()

void monitorNotify

(

)

Definition at line 312 of file mobileffmpeg.c.

monitorUnInit()

void monitorUnInit

(

)

Definition at line 239 of file mobileffmpeg.c.

monitorWait()

void monitorWait

(

int

milliSeconds

)

Definition at line 292 of file mobileffmpeg.c.

mutexInit()

void mutexInit

(

)

Definition at line 190 of file mobileffmpeg.c.

mutexLock()

void mutexLock

(

)

Definition at line 252 of file mobileffmpeg.c.

mutexUnInit()

void mutexUnInit

(

)

Definition at line 235 of file mobileffmpeg.c.

mutexUnlock()

void mutexUnlock

(

)

Definition at line 264 of file mobileffmpeg.c.

removeExecution()

void removeExecution

(

long

id

)

Removes an execution id from the execution map.

Parameters

id	execution id

Definition at line 451 of file mobileffmpeg.c.

statisticsCallbackDataAdd()

void statisticsCallbackDataAdd	(	int	frameNumber,
		float	fps,
		float	quality,
		int64_t	size,
		int	time,
		double	bitrate,
		double	speed
	)

Adds statistics data to the end of callback data list.

Definition at line 361 of file mobileffmpeg.c.

Variable Documentation

callbackDataHead

struct CallbackData* callbackDataHead

Definition at line 67 of file mobileffmpeg.c.

callbackDataTail

struct CallbackData* callbackDataTail

Definition at line 68 of file mobileffmpeg.c.

callbackThread

pthread_t callbackThread

Definition at line 64 of file mobileffmpeg.c.

configClass

jclass configClass

static

Global reference of Config class in Java

Definition at line 74 of file mobileffmpeg.c.

configClassName

const char* configClassName = "com/arthenica/mobileffmpeg/Config"

Full name of the Config class

Definition at line 89 of file mobileffmpeg.c.

configMethods

JNINativeMethod configMethods[]

Initial value:

= {
    {"enableNativeRedirection", "()V", (void*) Java_com_arthenica_mobileffmpeg_Config_enableNativeRedirection},
    {"disableNativeRedirection", "()V", (void*) Java_com_arthenica_mobileffmpeg_Config_disableNativeRedirection},
    {"setNativeLogLevel", "(I)V", (void*) Java_com_arthenica_mobileffmpeg_Config_setNativeLogLevel},
    {"getNativeLogLevel", "()I", (void*) Java_com_arthenica_mobileffmpeg_Config_getNativeLogLevel},
    {"getNativeFFmpegVersion", "()Ljava/lang/String;", (void*) Java_com_arthenica_mobileffmpeg_Config_getNativeFFmpegVersion},
    {"getNativeVersion", "()Ljava/lang/String;", (void*) Java_com_arthenica_mobileffmpeg_Config_getNativeVersion},
    {"nativeFFmpegExecute", "(J[Ljava/lang/String;)I", (void*) Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegExecute},
    {"nativeFFmpegCancel", "(J)V", (void*) Java_com_arthenica_mobileffmpeg_Config_nativeFFmpegCancel},
    {"nativeFFprobeExecute", "([Ljava/lang/String;)I", (void*) Java_com_arthenica_mobileffmpeg_Config_nativeFFprobeExecute},
    {"registerNewNativeFFmpegPipe", "(Ljava/lang/String;)I", (void*) Java_com_arthenica_mobileffmpeg_Config_registerNewNativeFFmpegPipe},
    {"getNativeBuildDate", "()Ljava/lang/String;", (void*) Java_com_arthenica_mobileffmpeg_Config_getNativeBuildDate},
    {"setNativeEnvironmentVariable", "(Ljava/lang/String;Ljava/lang/String;)I", (void*) Java_com_arthenica_mobileffmpeg_Config_setNativeEnvironmentVariable},
    {"getNativeLastCommandOutput", "()Ljava/lang/String;", (void*) Java_com_arthenica_mobileffmpeg_Config_getNativeLastCommandOutput},
    {"ignoreNativeSignal", "(I)V", (void*) Java_com_arthenica_mobileffmpeg_Config_ignoreNativeSignal}
}

Prototypes of native functions defined by Config class.

Definition at line 105 of file mobileffmpeg.c.

EXECUTION_MAP_SIZE

const int EXECUTION_MAP_SIZE = 1000

Execution map variables

Definition at line 51 of file mobileffmpeg.c.

executionId

__thread volatile long executionId = 0

Holds the id of the current execution

Definition at line 102 of file mobileffmpeg.c.

executionMap

volatile int executionMap[EXECUTION_MAP_SIZE]

static

Definition at line 52 of file mobileffmpeg.c.

executionMapMutex

pthread_mutex_t executionMapMutex

static

Definition at line 53 of file mobileffmpeg.c.

globalVm

JavaVM* globalVm

static

Global reference to the virtual machine running

Definition at line 71 of file mobileffmpeg.c.

handleSIGINT

volatile int handleSIGINT = 1

Definition at line 96 of file mobileffmpeg.c.

handleSIGPIPE

volatile int handleSIGPIPE = 1

Definition at line 99 of file mobileffmpeg.c.

handleSIGQUIT

volatile int handleSIGQUIT = 1

Fields that control the handling of SIGNALs

Definition at line 95 of file mobileffmpeg.c.

handleSIGTERM

volatile int handleSIGTERM = 1

Definition at line 97 of file mobileffmpeg.c.

handleSIGXCPU

volatile int handleSIGXCPU = 1

Definition at line 98 of file mobileffmpeg.c.

lastCommandOutput

AVBPrint lastCommandOutput

static

Definition at line 62 of file mobileffmpeg.c.

lockMutex

pthread_mutex_t lockMutex

static

Redirection control variables

Definition at line 56 of file mobileffmpeg.c.

logMethod

jmethodID logMethod

static

Global reference of log redirection method in Java

Definition at line 77 of file mobileffmpeg.c.

logMutex

pthread_mutex_t logMutex

static

Last command output variables

Definition at line 61 of file mobileffmpeg.c.

monitorCondition

pthread_cond_t monitorCondition

static

Definition at line 58 of file mobileffmpeg.c.

monitorMutex

pthread_mutex_t monitorMutex

static

Definition at line 57 of file mobileffmpeg.c.

redirectionEnabled

int redirectionEnabled

Definition at line 65 of file mobileffmpeg.c.

statisticsMethod

jmethodID statisticsMethod

static

Global reference of statistics redirection method in Java

Definition at line 80 of file mobileffmpeg.c.

stringClass

jclass stringClass

static

Global reference of String class in Java

Definition at line 83 of file mobileffmpeg.c.

stringClassName

const char* stringClassName = "java/lang/String"

Full name of String class

Definition at line 92 of file mobileffmpeg.c.

stringConstructor

jmethodID stringConstructor

static

Global reference of String constructor in Java

Definition at line 86 of file mobileffmpeg.c.