blind-next-frame.1 (1139B)
1 .TH BLIND-NEXT-FRAME 1 blind 2 .SH NAME 3 blind-next-frame - Extracts the next frame from a video 4 .SH SYNOPSIS 5 .B blind-next-frame 6 [-f 7 .IR frames ] 8 .I width 9 .I height 10 .IR pixel-format " ..." 11 .SH DESCRIPTION 12 .B blind-next-frame 13 reads the first frame available in stdin, and prints 14 it, with a head, to stdout. No excess bytes are read, 15 and 16 .B blind-next-frame 17 can be used again to extract the next frame. 18 The width, height, and pixel format of the video must 19 be specified with 20 .IR width , 21 .IR height , 22 and 23 .IR pixel-format , 24 respectively; 25 .BR blind-read-frame (1) 26 is used to extract this information. 27 And argument following 28 .I pixel-format 29 is appended to 30 .I pixel-format 31 with <space> in between. 32 .SH OPTIONS 33 .TP 34 .BR -f " "\fIframes\fP 35 Read and output the first 36 .I frames 37 frames rather than the first single frame. 38 .SH EXIT STATUS 39 .TP 40 0 41 Successful completion. 42 .TP 43 1 44 End of file reached, no more frames available. 45 .TP 46 2 47 An error occurred. 48 .SH SEE ALSO 49 .BR blind (7), 50 .BR blind-read-head (1), 51 .BR blind-write-head (1), 52 .BR blind-to-image (1), 53 .BR blind-from-image (1), 54 .BR blind-skip-pattern (1) 55 .SH AUTHORS 56 Mattias Andrée 57 .RI < maandree@kth.se >