| 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; } |
| 10 | let name = format!("{}out{:02}_{:08}.pgm", pfx, strno, num); |
| 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>) { |
| 51 | let name = format!("{}out{:02}_{:08}.ppm", pfx, strno, num); |
| 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 | } |