1 extern crate nihav_core;
3 use nihav_core::frame::*;
4 use std::io::prelude::*;
7 pub fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
8 if let NABufferType::None = frm.get_buffer() { return; }
9 let name = format!("{}out{:02}_{:08}.pgm", pfx, strno, num);
10 let mut ofile = File::create(name).unwrap();
11 let buf = frm.get_buffer().get_vbuf().unwrap();
12 let is_flipped = buf.get_info().is_flipped();
13 let (w, h) = buf.get_dimensions(0);
14 let (w2, h2) = buf.get_dimensions(1);
15 let has_alpha = buf.get_info().get_format().has_alpha();
22 let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
23 ofile.write_all(hdr.as_bytes()).unwrap();
24 let dta = buf.get_data();
25 let ls = buf.get_stride(0);
26 let pad: Vec<u8> = vec![0xFF; (w - w2 * 2) / 2];
28 let ylines = dta.chunks(ls).take(h);
30 ofile.write_all(&line[..w]).unwrap();
33 let ylines = dta[..h * ls].chunks(ls).rev();
35 ofile.write_all(&line[..w]).unwrap();
38 let base1 = buf.get_offset(1);
39 let stride1 = buf.get_stride(1);
40 let base2 = buf.get_offset(2);
41 let stride2 = buf.get_stride(2);
42 let u = &dta[base1..][..h2*stride1];
43 let v = &dta[base2..][..h2*stride2];
45 for (uline, vline) in u.chunks(stride1).zip(v.chunks(stride2)) {
46 ofile.write_all(&uline[..w2]).unwrap();
47 ofile.write_all(pad.as_slice()).unwrap();
49 ofile.write_all(&vline[..w2]).unwrap();
50 ofile.write_all(pad.as_slice()).unwrap();
53 for (uline, vline) in u.chunks(stride1).rev().zip(v.chunks(stride2).rev()) {
54 ofile.write_all(&uline[..w2]).unwrap();
55 ofile.write_all(pad.as_slice()).unwrap();
57 ofile.write_all(&vline[..w2]).unwrap();
58 ofile.write_all(pad.as_slice()).unwrap();
62 let ls = buf.get_stride(3);
63 let mut idx = buf.get_offset(3);
64 let mut idx2 = idx + w;
66 let line = &dta[idx..idx2];
67 ofile.write_all(line).unwrap();
74 pub fn write_palppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
75 let name = format!("{}out{:02}_{:08}.ppm", pfx, strno, num);
76 let mut ofile = File::create(name).unwrap();
77 let buf = frm.get_buffer().get_vbuf().unwrap();
78 let (w, h) = buf.get_dimensions(0);
79 let paloff = buf.get_offset(1);
80 let hdr = format!("P6\n{} {}\n255\n", w, h);
81 ofile.write_all(hdr.as_bytes()).unwrap();
82 let dta = buf.get_data();
83 let ls = buf.get_stride(0);
84 let offs: [usize; 3] = [
85 buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
86 buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
87 buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
89 let flipped = buf.get_info().is_flipped();
90 let mut idx = if !flipped { 0 } else { ls * (h - 1) };
91 let mut line: Vec<u8> = vec![0; w * 3];
93 let src = &dta[idx..(idx+w)];
95 let pix = src[x] as usize;
96 line[x * 3 + 0] = dta[paloff + pix * 3 + offs[0]];
97 line[x * 3 + 1] = dta[paloff + pix * 3 + offs[1]];
98 line[x * 3 + 2] = dta[paloff + pix * 3 + offs[2]];
100 ofile.write_all(line.as_slice()).unwrap();
109 pub fn write_ppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
110 let name = format!("{}out{:02}_{:08}.ppm", pfx, strno, num);
111 let mut ofile = File::create(name).unwrap();
112 if let NABufferType::VideoPacked(ref buf) = frm.get_buffer() {
113 let (w, h) = buf.get_dimensions(0);
114 let hdr = format!("P6\n{} {}\n255\n", w, h);
115 ofile.write_all(hdr.as_bytes()).unwrap();
116 let dta = buf.get_data();
117 let stride = buf.get_stride(0);
118 let offs: [usize; 3] = [
119 buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
120 buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
121 buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
123 let flipped = buf.get_info().is_flipped();
124 let step = buf.get_info().get_format().get_elem_size() as usize;
125 let mut line: Vec<u8> = vec![0; w * 3];
127 for src in dta.chunks(stride) {
129 line[x * 3 + 0] = src[x * step + offs[0]];
130 line[x * 3 + 1] = src[x * step + offs[1]];
131 line[x * 3 + 2] = src[x * step + offs[2]];
133 ofile.write_all(line.as_slice()).unwrap();
136 for src in dta[..stride * h].chunks(stride).rev() {
138 line[x * 3 + 0] = src[x * step + offs[0]];
139 line[x * 3 + 1] = src[x * step + offs[1]];
140 line[x * 3 + 2] = src[x * step + offs[2]];
142 ofile.write_all(line.as_slice()).unwrap();
145 } else if let NABufferType::Video16(ref buf) = frm.get_buffer() {
146 let (w, h) = buf.get_dimensions(0);
147 let hdr = format!("P6\n{} {}\n255\n", w, h);
148 ofile.write_all(hdr.as_bytes()).unwrap();
149 let dta = buf.get_data();
150 let stride = buf.get_stride(0);
151 let depths: [u8; 3] = [
152 buf.get_info().get_format().get_chromaton(0).unwrap().get_depth(),
153 buf.get_info().get_format().get_chromaton(1).unwrap().get_depth(),
154 buf.get_info().get_format().get_chromaton(2).unwrap().get_depth()
156 let masks: [u16; 3] = [
157 (1 << depths[0]) - 1,
158 (1 << depths[1]) - 1,
161 let shifts: [u8; 3] = [
162 buf.get_info().get_format().get_chromaton(0).unwrap().get_shift(),
163 buf.get_info().get_format().get_chromaton(1).unwrap().get_shift(),
164 buf.get_info().get_format().get_chromaton(2).unwrap().get_shift()
166 let mut line: Vec<u8> = vec![0; w * 3];
167 let flipped = buf.get_info().is_flipped();
169 for src in dta.chunks(stride) {
172 let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
173 let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
174 let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
175 line[x * 3 + 0] = r as u8;
176 line[x * 3 + 1] = g as u8;
177 line[x * 3 + 2] = b as u8;
179 ofile.write_all(line.as_slice()).unwrap();
182 for src in dta[..h * stride].chunks(stride).rev() {
185 let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
186 let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
187 let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
188 line[x * 3 + 0] = r as u8;
189 line[x * 3 + 1] = g as u8;
190 line[x * 3 + 2] = b as u8;
192 ofile.write_all(line.as_slice()).unwrap();
196 panic!(" unhandled buf format");