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[nihav-tool.git] / src / frmwriter.rs
1 extern crate nihav_core;
2
3 use nihav_core::frame::*;
4 use std::io::prelude::*;
5 use std::fs::File;
6
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!("{}{: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 full_w = w2 * 2 > w;
16 let has_alpha = buf.get_info().get_format().has_alpha();
17 let mut tot_h = h + h2;
18 if has_alpha {
19 tot_h += h;
20 }
21 if full_w {
22 tot_h += h2;
23 }
24 let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
25 ofile.write_all(hdr.as_bytes()).unwrap();
26 let dta = buf.get_data();
27 let ls = buf.get_stride(0);
28 let pad: Vec<u8> = vec![0xFF; if !full_w { (w - w2 * 2) / 2 } else { w - w2 } ];
29 if !is_flipped {
30 let ylines = dta.chunks(ls).take(h);
31 for line in ylines {
32 ofile.write_all(&line[..w]).unwrap();
33 }
34 } else {
35 let ylines = dta[..h * ls].chunks(ls).rev();
36 for line in ylines {
37 ofile.write_all(&line[..w]).unwrap();
38 }
39 }
40 let base1 = buf.get_offset(1);
41 let stride1 = buf.get_stride(1);
42 let base2 = buf.get_offset(2);
43 let stride2 = buf.get_stride(2);
44 let u = &dta[base1..][..h2*stride1];
45 let v = &dta[base2..][..h2*stride2];
46 let has_chroma = stride1 > 0 && stride2 > 0;
47 if !full_w && has_chroma {
48 if !is_flipped {
49 for (uline, vline) in u.chunks(stride1).zip(v.chunks(stride2)) {
50 ofile.write_all(&uline[..w2]).unwrap();
51 ofile.write_all(pad.as_slice()).unwrap();
52
53 ofile.write_all(&vline[..w2]).unwrap();
54 ofile.write_all(pad.as_slice()).unwrap();
55 }
56 } else {
57 for (uline, vline) in u.chunks(stride1).rev().zip(v.chunks(stride2).rev()) {
58 ofile.write_all(&uline[..w2]).unwrap();
59 ofile.write_all(pad.as_slice()).unwrap();
60
61 ofile.write_all(&vline[..w2]).unwrap();
62 ofile.write_all(pad.as_slice()).unwrap();
63 }
64 }
65 } else if has_chroma {
66 if !is_flipped {
67 for uline in u.chunks(stride1) {
68 ofile.write_all(&uline[..w2]).unwrap();
69 ofile.write_all(pad.as_slice()).unwrap();
70 }
71 for vline in v.chunks(stride2) {
72 ofile.write_all(&vline[..w2]).unwrap();
73 ofile.write_all(pad.as_slice()).unwrap();
74 }
75 } else {
76 for uline in u.chunks(stride1).rev() {
77 ofile.write_all(&uline[..w2]).unwrap();
78 ofile.write_all(pad.as_slice()).unwrap();
79 }
80 for vline in v.chunks(stride2).rev() {
81 ofile.write_all(&vline[..w2]).unwrap();
82 ofile.write_all(pad.as_slice()).unwrap();
83 }
84 }
85 }
86 if has_alpha {
87 let ls = buf.get_stride(3);
88 let mut idx = buf.get_offset(3);
89 let mut idx2 = idx + w;
90 for _ in 0..h {
91 let line = &dta[idx..idx2];
92 ofile.write_all(line).unwrap();
93 idx += ls;
94 idx2 += ls;
95 }
96 }
97 }
98
99 pub fn write_palppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
100 let name = format!("{}{:02}_{:08}.ppm", pfx, strno, num);
101 let mut ofile = File::create(name).unwrap();
102 let buf = frm.get_buffer().get_vbuf().unwrap();
103 let (w, h) = buf.get_dimensions(0);
104 let paloff = buf.get_offset(1);
105 let hdr = format!("P6\n{} {}\n255\n", w, h);
106 ofile.write_all(hdr.as_bytes()).unwrap();
107 let dta = buf.get_data();
108 let ls = buf.get_stride(0);
109 let offs: [usize; 3] = [
110 buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
111 buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
112 buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
113 ];
114 let flipped = buf.get_info().is_flipped();
115 let mut idx = if !flipped { 0 } else { ls * h };
116 let mut line: Vec<u8> = vec![0; w * 3];
117 for _ in 0..h {
118 if flipped {
119 idx -= ls;
120 }
121 let src = &dta[idx..(idx+w)];
122 for x in 0..w {
123 let pix = src[x] as usize;
124 line[x * 3 + 0] = dta[paloff + pix * 3 + offs[0]];
125 line[x * 3 + 1] = dta[paloff + pix * 3 + offs[1]];
126 line[x * 3 + 2] = dta[paloff + pix * 3 + offs[2]];
127 }
128 ofile.write_all(line.as_slice()).unwrap();
129 if !flipped {
130 idx += ls;
131 }
132 }
133 }
134
135 pub fn write_ppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
136 let name = format!("{}{:02}_{:08}.ppm", pfx, strno, num);
137 let mut ofile = File::create(name).unwrap();
138 let info = frm.get_buffer().get_video_info().unwrap();
139 let flipped = info.is_flipped();
140 let buffer = frm.get_buffer();
141 if let Some(ref buf) = buffer.get_vbuf() {
142 let (w, h) = buf.get_dimensions(0);
143 let hdr = format!("P6\n{} {}\n255\n", w, h);
144 ofile.write_all(hdr.as_bytes()).unwrap();
145 let dta = buf.get_data();
146 let stride = buf.get_stride(0);
147 let offs: [usize; 3] = [
148 info.get_format().get_chromaton(0).unwrap().get_offset() as usize,
149 info.get_format().get_chromaton(1).unwrap().get_offset() as usize,
150 info.get_format().get_chromaton(2).unwrap().get_offset() as usize
151 ];
152 let step = info.get_format().get_elem_size() as usize;
153 let mut line: Vec<u8> = vec![0; w * 3];
154 if !flipped {
155 for src in dta.chunks(stride) {
156 for x in 0..w {
157 line[x * 3 + 0] = src[x * step + offs[0]];
158 line[x * 3 + 1] = src[x * step + offs[1]];
159 line[x * 3 + 2] = src[x * step + offs[2]];
160 }
161 ofile.write_all(line.as_slice()).unwrap();
162 }
163 } else {
164 for src in dta[..stride * h].chunks(stride).rev() {
165 for x in 0..w {
166 line[x * 3 + 0] = src[x * step + offs[0]];
167 line[x * 3 + 1] = src[x * step + offs[1]];
168 line[x * 3 + 2] = src[x * step + offs[2]];
169 }
170 ofile.write_all(line.as_slice()).unwrap();
171 }
172 }
173 } else if let NABufferType::Video16(ref buf) = buffer {
174 let (w, h) = buf.get_dimensions(0);
175 let hdr = format!("P6\n{} {}\n255\n", w, h);
176 ofile.write_all(hdr.as_bytes()).unwrap();
177 let dta = buf.get_data();
178 let stride = buf.get_stride(0);
179 let depths: [u8; 3] = [
180 info.get_format().get_chromaton(0).unwrap().get_depth(),
181 info.get_format().get_chromaton(1).unwrap().get_depth(),
182 info.get_format().get_chromaton(2).unwrap().get_depth()
183 ];
184 let masks: [u16; 3] = [
185 (1 << depths[0]) - 1,
186 (1 << depths[1]) - 1,
187 (1 << depths[2]) - 1
188 ];
189 let shifts: [u8; 3] = [
190 info.get_format().get_chromaton(0).unwrap().get_shift(),
191 info.get_format().get_chromaton(1).unwrap().get_shift(),
192 info.get_format().get_chromaton(2).unwrap().get_shift()
193 ];
194 let mut line: Vec<u8> = vec![0; w * 3];
195 if !flipped {
196 for src in dta.chunks(stride) {
197 for x in 0..w {
198 let elem = src[x];
199 let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
200 let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
201 let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
202 line[x * 3 + 0] = r as u8;
203 line[x * 3 + 1] = g as u8;
204 line[x * 3 + 2] = b as u8;
205 }
206 ofile.write_all(line.as_slice()).unwrap();
207 }
208 } else {
209 for src in dta[..h * stride].chunks(stride).rev() {
210 for x in 0..w {
211 let elem = src[x];
212 let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
213 let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
214 let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
215 line[x * 3 + 0] = r as u8;
216 line[x * 3 + 1] = g as u8;
217 line[x * 3 + 2] = b as u8;
218 }
219 ofile.write_all(line.as_slice()).unwrap();
220 }
221 }
222 } else {
223 panic!(" unhandled buf format");
224 }
225 }