Php gets flv time! Source code! You can use it! Super simple.
- <?php
-
- function BigEndian2Int($byte_word, $signed = false) {
-
- $int_value = 0;
-
- $byte_wordlen = strlen($byte_word);
-
- for ($i = 0; $i < $byte_wordlen; $i++)
-
- {
-
- $int_value += ord($byte_word{$i}) * pow(256, ($byte_wordlen - 1 - $i));
-
- }
-
- if ($signed)
-
- {
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- $sign_mask_bit = 0x80 << (8 * ($byte_wordlen - 1));
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- if ($int_value & $sign_mask_bit)
-
- {
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- $int_value = 0 - ($int_value & ($sign_mask_bit - 1));
-
- }
-
- }
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- return $int_value;
-
- }
-
- function getTime($name){
-
- if(!file_exists($name)){
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- return;
-
- }
-
- $flv_data_length=filesize($name);
-
- $fp = @fopen($name, rb);
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- $flv_header = fread($fp, 5);
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- fseek($fp, 5, SEEK_SET);
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- $frame_size_data_length =BigEndian2Int(fread($fp, 4));
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- $flv_header_frame_length = 9;
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- if ($frame_size_data_length > $flv_header_frame_length) {
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- fseek($fp, $frame_size_data_length - $flv_header_frame_length, SEEK_CUR);
-
- }
-
- $duration = 0;
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- while ((ftell($fp) + 1) < $flv_data_length) {
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- $this_tag_header = fread($fp, 16);
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- $data_length = BigEndian2Int(substr($this_tag_header, 5, 3));
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- $timestamp = BigEndian2Int(substr($this_tag_header, 8, 3));
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- $next_offset = ftell($fp) - 1 + $data_length;
-
- if ($timestamp > $duration) {
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- $duration = $timestamp;
-
- }
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- fseek($fp, $next_offset, SEEK_SET); <