笨茶茶

作者:小鱼干        标签:杂文  

<?php

class ffmpeg_movie
{
/** Open a video or audio file and return it as an object.
* @param string $path_to_media - File path of video or audio file to open.
* @param bool $persistent - Whether to open this media as a persistent resource. See the PHP documentation for more info about persistent resources
*/
public function __construct($path_to_media, $persistent)
{ }

/** Return the duration of a movie or audio file in seconds.
* @return int
*/
public function getDuration()
{ }

/** Return the number of frames in a movie or audio file.
* @return int
*/
public function getFrameCount()
{ }

/** Return the frame rate of a movie in fps.
* @return int
*/
public function getFrameRate()
{ }

/** Return the path and name of the movie file or audio file.
* @return string
*/
public function getFilename()
{ }

/** Return the comment field from the movie or audio file.
* @return string
*/
public function getComment()
{ }

/** Return the title field from the movie or audio file.
* @return string
*/
public function getTitle()
{ }

/** Return the author field from the movie or the artist ID3 field from an mp3 file.
* @return string
*/
public function getAuthor()
{ }

/** Return the author field from the movie or the artist ID3 field from an mp3 file.
* @return string
*/
public function getArtist()
{ }

/** Return the copyright field from the movie or audio file.
* @return string
*/
public function getCopyright()
{ }

/** Return the genre ID3 field from an mp3 file.
* @return string
*/
public function getGenre()
{ }

/** Return the track ID3 field from an mp3 file.
* @return string|int
*/
public function getTrackNumber()
{ }

/** Return the year ID3 field from an mp3 file.
* @return string|int
*/
public function getYear()
{ }

/** Return the height of the movie in pixels.
* @return int
*/
public function getFrameHeight()
{ }

/** Return the width of the movie in pixels.
* @return int
*/
public function getFrameWidth()
{ }

/** Return the pixel format of the movie.*/
public function getPixelFormat()
{ }

/** Return the bit rate of the movie or audio file in bits per second.
* @return int
*/
public function getBitRate()
{ }

/** Return the bit rate of the video in bits per second.
* NOTE: This only works for files with constant bit rate.
* @return int
*/
public function getVideoBitRate()
{ }

/** Return the audio bit rate of the media file in bits per second.
* @return int
*/
public function getAudioBitRate()
{ }

/** Return the audio sample rate of the media file in bits per second.
* @return int
*/
public function getAudioSampleRate()
{ }

/** Return the current frame index.
* @return int
*/
public function getFrameNumber()
{ }

/** Return the name of the video codec used to encode this movie as a string.
* @return string
*/
public function getVideoCodec()
{ }

/** Return the name of the audio codec used to encode this movie as a string.
* @return string
*/
public function getAudioCodec()
{ }

/** Return the number of audio channels in this movie as an integer.
* @return int
*/
public function getAudioChannels()
{ }

/** Return boolean value indicating whether the movie has an audio stream.
* @return bool
*/
public function hasAudio()
{ }

/** Return boolean value indicating whether the movie has a video stream.
* @return bool
*/
public function hasVideo()
{ }

/** Returns a frame from the movie as an ffmpeg_frame object. Returns false if the frame was not found.
* @param int $framenumber - Frame from the movie to return. If no framenumber is specified, returns the next frame of the movie.
* @return ffmpeg_frame
*/
public function getFrame($framenumber)
{ }

/** Returns the next key frame from the movie as an ffmpeg_frame object. Returns false if the frame was not found.
* @return ffmpeg_frame
*/
public function getNextKeyFrame()
{ }

}

class ffmpeg_frame
{
/**
* NOTE: This function will not be available if GD is not enabled.
* @param resource $gd_image
*/
public function __construct($gd_image)
{
}

/** Return the width of the frame.
* @return int
*/
public function getWidth()
{ }

/** Return the height of the frame.
* @return int
*/
public function getHeight()
{ }

/** Return the presentation time stamp of the frame.
* @return int
*/
public function getPTS()
{ }

/** Return the presentation time stamp of the frame.
* @return int
*/
public function getPresentationTimestamp()
{ }

/** Resize and optionally crop the frame. (Cropping is built into ffmpeg resizing so I'm providing it here for completeness.)
* @param int $width - New width of the frame (must be an even number).
* @param int $height - New height of the frame (must be an even number).
* @param int $crop_top - Remove [croptop] rows of pixels from the top of the frame.
* @param int $crop_bottom - Remove [cropbottom] rows of pixels from the bottom of the frame.
* @param int $crop_left - Remove [cropleft] rows of pixels from the left of the frame.
* @param int $crop_right - Remove [cropright] rows of pixels from the right of the frame.
* NOTE: Cropping is always applied to the frame before it is resized. Crop values must be even numbers.
*/
public function resize($width, $height, $crop_top = 0, $crop_bottom = 0, $crop_left = 0, $crop_right = 0)
{ }

/** Crop the frame.
* @param int $crop_top - Remove [croptop] rows of pixels from the top of the frame.
* @param int $crop_bottom - Remove [cropbottom] rows of pixels from the bottom of the frame.
* @param int $crop_left - Remove [cropleft] rows of pixels from the left of the frame.
* @param int $crop_right - Remove [cropright] rows of pixels from the right of the frame.
* NOTE: Crop values must be even numbers.
*/
public function crop($crop_top, $crop_bottom = 0, $crop_left = 0, $crop_right = 0)
{ }

/** Returns a truecolor GD image of the frame.
* NOTE: This function will not be available if GD is not enabled.
* @return resource
*/
public function toGDImage()
{ }

}

class ffmpeg_animated_gif
{
/**
* @param string $output_file_path - Location in the filesystem where the animated gif will be written.
* @param int $width - Width of the animated gif.
* @param int $height - Height of the animated gif.
* @param int $frame_rate - Frame rate of the animated gif in frames per second.
* @param int $loop_count - Number of times to loop the animation. Put a zero here to loop forever or omit this parameter to disable looping.
*/
public function __construct($output_file_path, $width, $height, $frame_rate, $loop_count = 0)
{ }

/** Add a frame to the end of the animated gif.
* @param ffmpeg_frame $frame_to_add - The ffmpeg_frame object to add to the end of the animated gif.
*/
public function addFrame(ffmpeg_frame $frame_to_add)
{ }
}

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