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3660c127 KS |
1 | extern crate nihav; |
2 | ||
3 | use nihav::frame::*; | |
4 | use std::io::prelude::*; | |
5 | use std::fs::File; | |
6 | use std::cell::Ref; | |
7 | ||
8 | pub fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frm: Ref<NAFrame>) { | |
9 | if let NABufferType::None = frm.get_buffer() { return; } | |
cd9ece3c | 10 | let name = format!("{}out{:02}_{:08}.pgm", pfx, strno, num); |
3660c127 KS |
11 | let mut ofile = File::create(name).unwrap(); |
12 | let buf = frm.get_buffer().get_vbuf().unwrap(); | |
13 | let (w, h) = buf.get_dimensions(0); | |
14 | let (w2, h2) = buf.get_dimensions(1); | |
15 | let tot_h = h + h2; | |
16 | let hdr = format!("P5\n{} {}\n255\n", w, tot_h); | |
17 | ofile.write_all(hdr.as_bytes()).unwrap(); | |
18 | let dta = buf.get_data(); | |
19 | let ls = buf.get_stride(0); | |
20 | let mut idx = 0; | |
21 | let mut idx2 = w; | |
22 | let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2); | |
23 | pad.resize((w - w2 * 2) / 2, 0xFF); | |
24 | for _ in 0..h { | |
25 | let line = &dta[idx..idx2]; | |
26 | ofile.write_all(line).unwrap(); | |
27 | idx += ls; | |
28 | idx2 += ls; | |
29 | } | |
30 | let mut base1 = buf.get_offset(1); | |
31 | let stride1 = buf.get_stride(1); | |
32 | let mut base2 = buf.get_offset(2); | |
33 | let stride2 = buf.get_stride(2); | |
34 | for _ in 0..h2 { | |
35 | let bend1 = base1 + w2; | |
36 | let line = &dta[base1..bend1]; | |
37 | ofile.write_all(line).unwrap(); | |
38 | ofile.write_all(pad.as_slice()).unwrap(); | |
39 | ||
40 | let bend2 = base2 + w2; | |
41 | let line = &dta[base2..bend2]; | |
42 | ofile.write_all(line).unwrap(); | |
43 | ofile.write_all(pad.as_slice()).unwrap(); | |
44 | ||
45 | base1 += stride1; | |
46 | base2 += stride2; | |
47 | } | |
48 | } | |
49 | ||
50 | pub fn write_palppm(pfx: &str, strno: usize, num: u64, frm: Ref<NAFrame>) { | |
cd9ece3c | 51 | let name = format!("{}out{:02}_{:08}.ppm", pfx, strno, num); |
3660c127 KS |
52 | let mut ofile = File::create(name).unwrap(); |
53 | let buf = frm.get_buffer().get_vbuf().unwrap(); | |
54 | let (w, h) = buf.get_dimensions(0); | |
55 | let paloff = buf.get_offset(1); | |
56 | let hdr = format!("P6\n{} {}\n255\n", w, h); | |
57 | ofile.write_all(hdr.as_bytes()).unwrap(); | |
58 | let dta = buf.get_data(); | |
59 | let ls = buf.get_stride(0); | |
60 | let mut idx = 0; | |
61 | let mut line: Vec<u8> = Vec::with_capacity(w * 3); | |
62 | line.resize(w * 3, 0); | |
63 | for _ in 0..h { | |
64 | let src = &dta[idx..(idx+w)]; | |
65 | for x in 0..w { | |
66 | let pix = src[x] as usize; | |
67 | line[x * 3 + 0] = dta[paloff + pix * 3 + 2]; | |
68 | line[x * 3 + 1] = dta[paloff + pix * 3 + 1]; | |
69 | line[x * 3 + 2] = dta[paloff + pix * 3 + 0]; | |
70 | } | |
71 | ofile.write_all(line.as_slice()).unwrap(); | |
72 | idx += ls; | |
73 | } | |
74 | } |