]>
Commit | Line | Data |
---|---|---|
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 | } |