1 /*
2 * YUV4MPEG muxer
3 * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
28
30 {
34 int raten, rated, aspectn, aspectd,
ret;
35 char inter;
36 const char *colorspace = "";
37 const char *colorrange = "";
38 int field_order;
39
44
45 // TODO: should be avg_frame_rate
48
51
52 if (aspectn == 0 && aspectd == 1)
53 aspectd = 0; // 0:0 means unknown
54
57 colorrange = " XCOLORRANGE=LIMITED";
58 break;
60 colorrange = " XCOLORRANGE=FULL";
61 break;
62 default:
63 break;
64 }
65
66 switch (field_order) {
71 default: inter = 'p'; break;
72 }
73
76 colorspace = " Cmono";
77 break;
79 colorspace = " Cmono9";
80 break;
82 colorspace = " Cmono10";
83 break;
85 colorspace = " Cmono12";
86 break;
88 colorspace = " Cmono16";
89 break;
91 colorspace = " C411 XYSCSS=411";
92 break;
94 colorspace = " C420jpeg XYSCSS=420JPEG";
95 colorrange = " XCOLORRANGE=FULL";
96 break;
98 colorspace = " C422 XYSCSS=422";
99 colorrange = " XCOLORRANGE=FULL";
100 break;
102 colorspace = " C444 XYSCSS=444";
103 colorrange = " XCOLORRANGE=FULL";
104 break;
109 default: colorspace = " C420jpeg XYSCSS=420JPEG"; break;
110 }
111 break;
113 colorspace = " C422 XYSCSS=422";
114 break;
116 colorspace = " C444 XYSCSS=444";
117 break;
119 colorspace = " C444alpha XYSCSS=444";
120 break;
122 colorspace = " C420p9 XYSCSS=420P9";
123 break;
125 colorspace = " C422p9 XYSCSS=422P9";
126 break;
128 colorspace = " C444p9 XYSCSS=444P9";
129 break;
131 colorspace = " C420p10 XYSCSS=420P10";
132 break;
134 colorspace = " C422p10 XYSCSS=422P10";
135 break;
137 colorspace = " C444p10 XYSCSS=444P10";
138 break;
140 colorspace = " C420p12 XYSCSS=420P12";
141 break;
143 colorspace = " C422p12 XYSCSS=422P12";
144 break;
146 colorspace = " C444p12 XYSCSS=444P12";
147 break;
149 colorspace = " C420p14 XYSCSS=420P14";
150 break;
152 colorspace = " C422p14 XYSCSS=422P14";
153 break;
155 colorspace = " C444p14 XYSCSS=444P14";
156 break;
158 colorspace = " C420p16 XYSCSS=420P16";
159 break;
161 colorspace = " C422p16 XYSCSS=422P16";
162 break;
164 colorspace = " C444p16 XYSCSS=444P16";
165 break;
166 }
167
170 aspectn, aspectd, colorspace, colorrange);
173 "Error. YUV4MPEG stream header write failed.\n");
175 }
176
177 return 0;
178 }
179
180
182 {
188
189 /* construct frame header */
190
192
195 return 0;
196 }
197
201
202 /* The following code presumes all planes to be non-interleaved. */
203 for (
int k = 0; k <
desc->nb_components; k++) {
206
207 if (
desc->nb_components >= 3 && (k == 1 || k == 2)) {
/* chroma? */
210 }
211 plane_width *=
desc->comp[k].step;
212
213 for (
int i = 0;
i < plane_height;
i++) {
216 }
217 }
218
219 return 0;
220 }
221
223 {
228 }
229
230 switch (
s->streams[0]->codecpar->format) {
233 "stream, some mjpegtools might not work.\n");
234 break;
239 // TODO: remove YUVJ pixel formats when they are completely removed from the codebase.
243 break;
266 "Use '-strict -1' to encode to this pixel format.\n",
269 }
271 "Mjpegtools will not work.\n");
272 break;
273 default:
275 "yuv444p, yuv422p, yuv420p, yuv411p and gray8 pixel formats. "
276 "And using 'strict -1' also yuv444p9, yuv422p9, yuv420p9, "
277 "yuv444p10, yuv422p10, yuv420p10, "
278 "yuv444p12, yuv422p12, yuv420p12, "
279 "yuv444p14, yuv422p14, yuv420p14, "
280 "yuv444p16, yuv422p16, yuv420p16, "
281 "yuva444p, "
282 "gray9, gray10, gray12 "
283 "and gray16 pixel formats. "
284 "Use -pix_fmt to select one.\n");
286 }
287
288 return 0;
289 }
290
292 .
p.
name =
"yuv4mpegpipe",
294 .p.extensions = "y4m",
302 };