com.googlecode.fascinator.transformer.ffmpeg
Interface Ffmpeg

All Known Implementing Classes:

FfmpegImpl

public interface Ffmpeg

Wrapper for the FFMPEG program

Author:

Oliver Lucido

Field Summary

static String	DEFAULT_BIN_METADATA Default extractor binary name
static String	DEFAULT_BIN_TRANSCODE Default transcoder binary name

Method Summary

String	extract(File file) Extract metadata from the given file
FfmpegInfo	getInfo(File inputFile) Extract and process metadata from the given file
void	setEnvironmentVariable(String key, String value) Set an environment variable to be made available to the executing FFmpeg
String	testAvailability() Test what level of functionality is available for ffmpeg on the current system.
String	transform(List<String> params, File location) Transform a file using given parameters

Field Detail

DEFAULT_BIN_TRANSCODE

static final String DEFAULT_BIN_TRANSCODE

Default transcoder binary name

See Also:

Constant Field Values

DEFAULT_BIN_METADATA

static final String DEFAULT_BIN_METADATA

Default extractor binary name

See Also:

Constant Field Values

Method Detail

testAvailability

String testAvailability()

Test what level of functionality is available for ffmpeg on the current system.

Returns:

String showing binary name or null

extract

String extract(File file)
               throws IOException

Extract metadata from the given file

Parameters:

file - to extract metadata from

Returns:

String containing the raw output

Throws:

IOException - if execution failed

transform

String transform(List<String> params,
                 File location)
                 throws IOException

Transform a file using given parameters

Parameters:

params - List of parameters to pass to the command line executable

location - A File object of the working directory to use during transcoding

Returns:

String containing the raw output

Throws:

IOException - if execution failed

getInfo

FfmpegInfo getInfo(File inputFile)
                   throws IOException

Extract and process metadata from the given file

Parameters:

file - to extract metadata from

Returns:

FfmpegInfo containing the processed output

Throws:

IOException - if execution failed

setEnvironmentVariable

void setEnvironmentVariable(String key,
                            String value)

Set an environment variable to be made available to the executing FFmpeg

Parameters:

key - : The name of environment variable

value - : The value to assign