modules/transformer/transformer_video.module

<?php
/**
 * default transformer transforms
 */

/**
 * return an array of transforms implemented by this module.
 *
 * 'basename' => array( 'title'=>'', 'mimes'=>'', 'extensions'=>array(), 'queue'=>BOOL );
 *  basename is the basename from which functions _form and _perform will be generated.
 *  title is a human readable title
 *  mimes is an array of valid mime types this transform can operate on.
 */
function transformer_video_transformer() {
  return array(
    /*
    'transformer_video_crop' => array(
      'title' => t('Video Crop'),
    ),
    */
    'transformer_video_scale' =>  array(
      'title' => t('Video Scale'),
    ),
    'transformer_video_convert' => array(
      'title' => t('Video Convert'),
    ),
    'transformer_video_extract' => array(    
      'title' => t('Extract Image from Video'),
    ),
    'transformer_video_ffmpeg_raw' => array(
      'title' => t('Pass raw arguments into ffmpeg'),
    ),
  );
}

function transformer_video_crop_form($data) {
  //debug_msg($transform);
  $form = array();
  $form['width'] = array(
    '#type' => 'textfield',
    '#size' => 15,'#maxlength' => 30,
    '#title' => t('Width'),
    '#default_value' => $data['width'],
  );
  $form['height'] = array(
    '#type' => 'textfield',
    '#title' => t('Height'),
    '#size' => 15,'#maxlength' => 30,
    '#default_value' => $data['height'],
  );
  $form['xoffset'] = array(
    '#type' => 'textfield',
    '#title' => t('X Offset'),
    '#size' => 15,'#maxlength' => 30,
    '#default_value' => $data['xoffset'],
  );
  $form['yoffset'] = array(
    '#type' => 'textfield',
    '#title' => t('Y Offset'),
    '#size' => 15,'#maxlength' => 30,
    '#default_value' => $data['yoffset'],
  );
  $form['#validate'] = array('transformer_crop_form_validate' => array());
  return $form;
}

function transformer_video_crop_form_validate() {
}

function transformer_video_crop_perform($video, $data) {
  return $video->crop($data['xoffset'] , $data['yoffset'], $data['width'], $data['height']);
}

function transformer_video_scale_form($data) {
  $form = array();
  $form['width'] = array(
    '#type' => 'textfield',
    '#size' => 15,'#maxlength' => 30,
    '#title' => t('Width'),
    '#default_value' => $data['width'],
  );
  $form['height'] = array(
    '#type' => 'textfield',
    '#size' => 15,'#maxlength' => 30,
    '#title' => t('Height'),
    '#default_value' => $data['height'],
  );
  $form['#validate'] = array('transformer_video_scale_form_validate' => array());
  return $form;
}

function transformer_video_scale_form_validate() {
}

function transformer_video_scale_perform($video, $data) {
  $video->scale($data['width'], $data['height']);
  return TRUE;
}

function transformer_video_extract_form($data) {
  $form = array();

  $form['width'] = array(
    '#type' => 'textfield',
    '#size' => 15,'#maxlength' => 30,
    '#title' => t('Width'),
    '#default_value' => $data['width'],
  );
  $form['height'] = array(
    '#type' => 'textfield',
    '#size' => 15,'#maxlength' => 30,
    '#title' => t('Height'),
    '#default_value' => $data['height'],
  );

  $form['time'] = array(
    '#type' => 'textfield',
    '#title' => t('Frame Timecode'),
    '#description' => t('Time code of the frame you wish to extract for the thumbnail. ex) 00:00:02'),
    '#default_value' => '00:00:02',
  );

  $form['format'] = array(
    '#type' => 'select',
    '#title' => t('Thumbnail format'),
    '#options' => $options,
    '#default_value' => $configuration['thumb_format'] ? $configuration['thumb_format'] : 'jpg',
    '#description' => t('Format for the thumbnail output'),
  );

  $form['#validate'] = array('transformer_video_extract_form_validate' => array());
  return $form;
}


function transformer_video_extract_form_validate() {
}

function transformer_video_extract_perform($source, $destination, $data) {
  return image_resize($source, $destination, $data['width'], $data['height']);
}

function transformer_video_convert_form($data) {
  return array(
  
    'format' => array(
      '#type' => 'select',
      '#title' => t('Convert to'),
      '#options' => array(
        'flv' => 'Flash 7 Video', 
        'mov' => 'Quicktime Mov', 
        'avi' => 'Windows AVI', 
        'mp3' => 'MP3 Audio'
      ),
      '#default_value' => isset($data['format']) ? $data['format'] : 'flv',
    ),

    'video' => array(
      '#type' => 'fieldset',
      '#title' => t('Video Options'),
      
      // http://www.adobe.com/devnet/flash/articles/encoding_video_print.html
      'video_frame_rate' => array(
        '#type' => 'select',
        '#title' => t('Video Frame Rate'),
        '#options' => array('8' => '8fps', '12' => '12fps', '15' => '15fps', '25' => '25fps', '30' => '30fps'),
        '#default_value' => isset($data['video']['video_frame_rate']) ? $data['video']['video_frame_rate'] : '25',
      ),

      'video_bit_rate' => array(
        '#type' => 'select',
        '#title' => t('Video Bit Rate'),
        '#options' => array('68' => '68Kbps', '132' => '132Kbps', '200' => '200Kbps', '286' => '286Kbps', '336' => '336Kbps', '504' => '504Kbps', '754' => '754Kbps', '1304' => '1304Kps'),
        '#default_value' => isset($data['video']['video_bit_rate']) ? $data['video']['video_bit_rate'] : '132k',
      ),

    ),

    'audio' => array(
      '#type' => 'fieldset',
      '#title' => t('Audio Options'),

      'audio_sample_rate' => array(
        '#type' => 'select',
        '#title' => t('Audio Sample Rate'),
        '#options' => array('22050' => '22Khz', '44100' => '44.1Khz', '48000' => '48Khz'),
        '#default_value' => isset($data['audio']['audio_sample_rate']) ? $data['audio']['audio_sample_rate'] : '22050',
      ),

      'audio_bit_rate' => array(
        '#type' => 'select',
        '#title' => t('Audio Bit Rate'),
        '#options' => array('16' => '16Kbps', '32' => '32Kbps', '48' => '48Kbps', '64' => '64Kbps', '96' => '96Kbps', '128' => '128Kbps', '192' => '192Kbps'),
        '#default_value' => isset($data['audio']['audio_bit_rate']) ? $data['audio']['audio_bit_rate'] : '64',
      ),

      'audio_channels' => array(
        '#type' => 'select',
        '#title' => t('Audio Channels'),
        '#options' => array('1' => 'Mono', '2' => 'Stereo'),
        '#default_value' => isset($data['audio']['audio_channels']) ? $data['audio']['audio_channels'] : 1,
      ),
      
    ),

    '#validate' => array(
      'transformer_video_convert_form_validate' => array()
    ),
  );
}

function transformer_video_convert_form_validate() {
}

function transformer_video_convert_perform($video, $data) {
  // @todo: default values with ternary... 
  $video->set_video_frame_rate($data['video']['video_frame_rate']);
  $video->set_video_bit_rate($data['video']['video_bit_rate']);
  $video->set_audio_sample_rate($data['audio']['audio_sample_rate']);
  $video->set_audio_bit_rate($data['audio']['audio_bit_rate']);
  $video->set_audio_channels($data['audio']['audio_channels']);
  $video->set_output_format($data['format']);
  return TRUE;
}

function transformer_video_ffmpeg_raw_form($data) {
  return array(
    'arguments' => array(
      '#type' => 'textfield',
      '#title' => t('FFmpeg Arguments'),
      '#description' => t('These arguments will be passed directly to ffmpeg.'),
      '#default_value' => $data['arguments'],
    )
  );
}

function transformer_video_ffmpeg_raw_form_validate($element) {
}

function transformer_video_ffmpeg_raw_perform($video, $data) {
  $video->convert($data['arguments']);
}
1	<?php
2	/**
3	* default transformer transforms
4	*/
5
6	/**
7	* return an array of transforms implemented by this module.
8	*
9	* 'basename' => array( 'title'=>'', 'mimes'=>'', 'extensions'=>array(), 'queue'=>BOOL );
10	* basename is the basename from which functions _form and _perform will be generated.
11	* title is a human readable title
12	* mimes is an array of valid mime types this transform can operate on.
13	*/
14	function transformer_video_transformer() {
15	return array(
16	/*
17	'transformer_video_crop' => array(
18	'title' => t('Video Crop'),
19	),
20	*/
21	'transformer_video_scale' => array(
22	'title' => t('Video Scale'),
23	),
24	'transformer_video_convert' => array(
25	'title' => t('Video Convert'),
26	),
27	'transformer_video_extract' => array(
28	'title' => t('Extract Image from Video'),
29	),
30	'transformer_video_ffmpeg_raw' => array(
31	'title' => t('Pass raw arguments into ffmpeg'),
32	),
33	);
34	}
35
36	function transformer_video_crop_form($data) {
37	//debug_msg($transform);
38	$form = array();
39	$form['width'] = array(
40	'#type' => 'textfield',
41	'#size' => 15,'#maxlength' => 30,
42	'#title' => t('Width'),
43	'#default_value' => $data['width'],
44	);
45	$form['height'] = array(
46	'#type' => 'textfield',
47	'#title' => t('Height'),
48	'#size' => 15,'#maxlength' => 30,
49	'#default_value' => $data['height'],
50	);
51	$form['xoffset'] = array(
52	'#type' => 'textfield',
53	'#title' => t('X Offset'),
54	'#size' => 15,'#maxlength' => 30,
55	'#default_value' => $data['xoffset'],
56	);
57	$form['yoffset'] = array(
58	'#type' => 'textfield',
59	'#title' => t('Y Offset'),
60	'#size' => 15,'#maxlength' => 30,
61	'#default_value' => $data['yoffset'],
62	);
63	$form['#validate'] = array('transformer_crop_form_validate' => array());
64	return $form;
65	}
66
67	function transformer_video_crop_form_validate() {
68	}
69
70	function transformer_video_crop_perform($video, $data) {
71	return $video->crop($data['xoffset'] , $data['yoffset'], $data['width'], $data['height']);
72	}
73
74	function transformer_video_scale_form($data) {
75	$form = array();
76	$form['width'] = array(
77	'#type' => 'textfield',
78	'#size' => 15,'#maxlength' => 30,
79	'#title' => t('Width'),
80	'#default_value' => $data['width'],
81	);
82	$form['height'] = array(
83	'#type' => 'textfield',
84	'#size' => 15,'#maxlength' => 30,
85	'#title' => t('Height'),
86	'#default_value' => $data['height'],
87	);
88	$form['#validate'] = array('transformer_video_scale_form_validate' => array());
89	return $form;
90	}
91
92	function transformer_video_scale_form_validate() {
93	}
94
95	function transformer_video_scale_perform($video, $data) {
96	$video->scale($data['width'], $data['height']);
97	return TRUE;
98	}
99
100	function transformer_video_extract_form($data) {
101	$form = array();
102
103	$form['width'] = array(
104	'#type' => 'textfield',
105	'#size' => 15,'#maxlength' => 30,
106	'#title' => t('Width'),
107	'#default_value' => $data['width'],
108	);
109	$form['height'] = array(
110	'#type' => 'textfield',
111	'#size' => 15,'#maxlength' => 30,
112	'#title' => t('Height'),
113	'#default_value' => $data['height'],
114	);
115
116	$form['time'] = array(
117	'#type' => 'textfield',
118	'#title' => t('Frame Timecode'),
119	'#description' => t('Time code of the frame you wish to extract for the thumbnail. ex) 00:00:02'),
120	'#default_value' => '00:00:02',
121	);
122
123	$form['format'] = array(
124	'#type' => 'select',
125	'#title' => t('Thumbnail format'),
126	'#options' => $options,
127	'#default_value' => $configuration['thumb_format'] ? $configuration['thumb_format'] : 'jpg',
128	'#description' => t('Format for the thumbnail output'),
129	);
130
131	$form['#validate'] = array('transformer_video_extract_form_validate' => array());
132	return $form;
133	}
134
135
136
137	function transformer_video_extract_form_validate() {
138	}
139
140	function transformer_video_extract_perform($source, $destination, $data) {
141	return image_resize($source, $destination, $data['width'], $data['height']);
142	}
143
144	function transformer_video_convert_form($data) {
145	return array(
146
147	'format' => array(
148	'#type' => 'select',
149	'#title' => t('Convert to'),
150	'#options' => array(
151	'flv' => 'Flash 7 Video',
152	'mov' => 'Quicktime Mov',
153	'avi' => 'Windows AVI',
154	'mp3' => 'MP3 Audio'
155	),
156	'#default_value' => isset($data['format']) ? $data['format'] : 'flv',
157	),
158
159	'video' => array(
160	'#type' => 'fieldset',
161	'#title' => t('Video Options'),
162
163	// http://www.adobe.com/devnet/flash/articles/encoding_video_print.html
164	'video_frame_rate' => array(
165	'#type' => 'select',
166	'#title' => t('Video Frame Rate'),
167	'#options' => array('8' => '8fps', '12' => '12fps', '15' => '15fps', '25' => '25fps', '30' => '30fps'),
168	'#default_value' => isset($data['video']['video_frame_rate']) ? $data['video']['video_frame_rate'] : '25',
169	),
170
171	'video_bit_rate' => array(
172	'#type' => 'select',
173	'#title' => t('Video Bit Rate'),
174	'#options' => array('68' => '68Kbps', '132' => '132Kbps', '200' => '200Kbps', '286' => '286Kbps', '336' => '336Kbps', '504' => '504Kbps', '754' => '754Kbps', '1304' => '1304Kps'),
175	'#default_value' => isset($data['video']['video_bit_rate']) ? $data['video']['video_bit_rate'] : '132k',
176	),
177
178	),
179
180	'audio' => array(
181	'#type' => 'fieldset',
182	'#title' => t('Audio Options'),
183
184	'audio_sample_rate' => array(
185	'#type' => 'select',
186	'#title' => t('Audio Sample Rate'),
187	'#options' => array('22050' => '22Khz', '44100' => '44.1Khz', '48000' => '48Khz'),
188	'#default_value' => isset($data['audio']['audio_sample_rate']) ? $data['audio']['audio_sample_rate'] : '22050',
189	),
190
191	'audio_bit_rate' => array(
192	'#type' => 'select',
193	'#title' => t('Audio Bit Rate'),
194	'#options' => array('16' => '16Kbps', '32' => '32Kbps', '48' => '48Kbps', '64' => '64Kbps', '96' => '96Kbps', '128' => '128Kbps', '192' => '192Kbps'),
195	'#default_value' => isset($data['audio']['audio_bit_rate']) ? $data['audio']['audio_bit_rate'] : '64',
196	),
197
198	'audio_channels' => array(
199	'#type' => 'select',
200	'#title' => t('Audio Channels'),
201	'#options' => array('1' => 'Mono', '2' => 'Stereo'),
202	'#default_value' => isset($data['audio']['audio_channels']) ? $data['audio']['audio_channels'] : 1,
203	),
204
205	),
206
207	'#validate' => array(
208	'transformer_video_convert_form_validate' => array()
209	),
210	);
211	}
212
213	function transformer_video_convert_form_validate() {
214	}
215
216	function transformer_video_convert_perform($video, $data) {
217	// @todo: default values with ternary...
218	$video->set_video_frame_rate($data['video']['video_frame_rate']);
219	$video->set_video_bit_rate($data['video']['video_bit_rate']);
220	$video->set_audio_sample_rate($data['audio']['audio_sample_rate']);
221	$video->set_audio_bit_rate($data['audio']['audio_bit_rate']);
222	$video->set_audio_channels($data['audio']['audio_channels']);
223	$video->set_output_format($data['format']);
224	return TRUE;
225	}
226
227	function transformer_video_ffmpeg_raw_form($data) {
228	return array(
229	'arguments' => array(
230	'#type' => 'textfield',
231	'#title' => t('FFmpeg Arguments'),
232	'#description' => t('These arguments will be passed directly to ffmpeg.'),
233	'#default_value' => $data['arguments'],
234	)
235	);
236	}
237
238	function transformer_video_ffmpeg_raw_form_validate($element) {
239	}
240
241	function transformer_video_ffmpeg_raw_perform($video, $data) {
242	$video->convert($data['arguments']);
243	}