Originally committed as revision 8608 to svn://svn.ffmpeg.org/ffmpeg/trunk
Michael Niedermayer authored on 2007/04/03 22:43:57... | ... |
@@ -63,7 +63,7 @@ version <next> |
63 | 63 |
- Delphine Software .cin demuxer/audio and video decoder |
64 | 64 |
- Tiertex .seq demuxer/video decoder |
65 | 65 |
- MTV demuxer |
66 |
-- TIFF picture decoder |
|
66 |
+- TIFF picture encoder and decoder |
|
67 | 67 |
- GIF picture decoder |
68 | 68 |
- Intel Music decoder |
69 | 69 |
- Musepack decoder |
... | ... |
@@ -922,7 +922,7 @@ following image formats are supported: |
922 | 922 |
@item animated GIF @tab X @tab X @tab Only uncompressed GIFs are generated. |
923 | 923 |
@item PNG @tab X @tab X @tab 2 bit and 4 bit/pixel not supported yet. |
924 | 924 |
@item Targa @tab @tab X @tab Targa (.TGA) image format. |
925 |
-@item TIFF @tab @tab X @tab Only 24 bit/pixel images are supported. |
|
925 |
+@item TIFF @tab X @tab X @tab YUV, JPEG and some extension is not supported yet. |
|
926 | 926 |
@item SGI @tab X @tab X @tab SGI RGB image format |
927 | 927 |
@end multitable |
928 | 928 |
|
... | ... |
@@ -144,6 +144,7 @@ OBJS-$(CONFIG_TARGA_ENCODER) += targaenc.o rle.o |
144 | 144 |
OBJS-$(CONFIG_THEORA_DECODER) += vp3.o xiph.o |
145 | 145 |
OBJS-$(CONFIG_TIERTEXSEQVIDEO_DECODER) += tiertexseqv.o |
146 | 146 |
OBJS-$(CONFIG_TIFF_DECODER) += tiff.o lzw.o |
147 |
+OBJS-$(CONFIG_TIFF_ENCODER) += tiffenc.o rle.o |
|
147 | 148 |
OBJS-$(CONFIG_TRUEMOTION1_DECODER) += truemotion1.o |
148 | 149 |
OBJS-$(CONFIG_TRUEMOTION2_DECODER) += truemotion2.o |
149 | 150 |
OBJS-$(CONFIG_TRUESPEECH_DECODER) += truespeech.o |
... | ... |
@@ -132,7 +132,7 @@ void avcodec_register_all(void) |
132 | 132 |
REGISTER_DECODER(THEORA, theora); |
133 | 133 |
REGISTER_DECODER(THP, thp); |
134 | 134 |
REGISTER_DECODER(TIERTEXSEQVIDEO, tiertexseqvideo); |
135 |
- REGISTER_DECODER(TIFF, tiff); |
|
135 |
+ REGISTER_ENCDEC (TIFF, tiff); |
|
136 | 136 |
REGISTER_DECODER(TRUEMOTION1, truemotion1); |
137 | 137 |
REGISTER_DECODER(TRUEMOTION2, truemotion2); |
138 | 138 |
REGISTER_DECODER(TSCC, tscc); |
... | ... |
@@ -2222,6 +2222,7 @@ extern AVCodec sonic_encoder; |
2222 | 2222 |
extern AVCodec sonic_ls_encoder; |
2223 | 2223 |
extern AVCodec svq1_encoder; |
2224 | 2224 |
extern AVCodec targa_encoder; |
2225 |
+extern AVCodec tiff_encoder; |
|
2225 | 2226 |
extern AVCodec vcr1_encoder; |
2226 | 2227 |
extern AVCodec vorbis_encoder; |
2227 | 2228 |
extern AVCodec wmav1_encoder; |
... | ... |
@@ -24,49 +24,8 @@ |
24 | 24 |
#include <zlib.h> |
25 | 25 |
#endif |
26 | 26 |
#include "lzw.h" |
27 |
+#include "tiff.h" |
|
27 | 28 |
|
28 |
-/* abridged list of TIFF tags */ |
|
29 |
-enum TiffTags{ |
|
30 |
- TIFF_WIDTH = 0x100, |
|
31 |
- TIFF_HEIGHT, |
|
32 |
- TIFF_BPP, |
|
33 |
- TIFF_COMPR, |
|
34 |
- TIFF_INVERT = 0x106, |
|
35 |
- TIFF_STRIP_OFFS = 0x111, |
|
36 |
- TIFF_ROWSPERSTRIP = 0x116, |
|
37 |
- TIFF_STRIP_SIZE, |
|
38 |
- TIFF_PLANAR = 0x11C, |
|
39 |
- TIFF_XPOS = 0x11E, |
|
40 |
- TIFF_YPOS = 0x11F, |
|
41 |
- TIFF_PREDICTOR = 0x13D, |
|
42 |
- TIFF_PAL = 0x140 |
|
43 |
-}; |
|
44 |
- |
|
45 |
-enum TiffCompr{ |
|
46 |
- TIFF_RAW = 1, |
|
47 |
- TIFF_CCITT_RLE, |
|
48 |
- TIFF_G3, |
|
49 |
- TIFF_G4, |
|
50 |
- TIFF_LZW, |
|
51 |
- TIFF_JPEG, |
|
52 |
- TIFF_NEWJPEG, |
|
53 |
- TIFF_ADOBE_DEFLATE, |
|
54 |
- TIFF_PACKBITS = 0x8005, |
|
55 |
- TIFF_DEFLATE = 0x80B2 |
|
56 |
-}; |
|
57 |
- |
|
58 |
-enum TiffTypes{ |
|
59 |
- TIFF_BYTE = 1, |
|
60 |
- TIFF_STRING, |
|
61 |
- TIFF_SHORT, |
|
62 |
- TIFF_LONG, |
|
63 |
- TIFF_LONGLONG |
|
64 |
-}; |
|
65 |
- |
|
66 |
-/** sizes of various TIFF field types */ |
|
67 |
-static const int type_sizes[6] = { |
|
68 |
- 0, 1, 100, 2, 4, 8 |
|
69 |
-}; |
|
70 | 29 |
|
71 | 30 |
typedef struct TiffContext { |
72 | 31 |
AVCodecContext *avctx; |
73 | 32 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,79 @@ |
0 |
+/* |
|
1 |
+ * TIFF tables |
|
2 |
+ * Copyright (c) 2006 Konstantin Shishkov |
|
3 |
+ * |
|
4 |
+ * This file is part of FFmpeg. |
|
5 |
+ * |
|
6 |
+ * FFmpeg is free software; you can redistribute it and/or |
|
7 |
+ * modify it under the terms of the GNU Lesser General Public |
|
8 |
+ * License as published by the Free Software Foundation; either |
|
9 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
10 |
+ * |
|
11 |
+ * FFmpeg is distributed in the hope that it will be useful, |
|
12 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
14 |
+ * Lesser General Public License for more details. |
|
15 |
+ * |
|
16 |
+ * You should have received a copy of the GNU Lesser General Public |
|
17 |
+ * License along with FFmpeg; if not, write to the Free Software |
|
18 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
19 |
+ * |
|
20 |
+ */ |
|
21 |
+ |
|
22 |
+#ifndef TIFF_H |
|
23 |
+#define TIFF_H |
|
24 |
+ |
|
25 |
+/* abridged list of TIFF tags */ |
|
26 |
+enum TiffTags{ |
|
27 |
+ TIFF_SUBFILE = 0xfe, |
|
28 |
+ TIFF_WIDTH = 0x100, |
|
29 |
+ TIFF_HEIGHT, |
|
30 |
+ TIFF_BPP, |
|
31 |
+ TIFF_COMPR, |
|
32 |
+ TIFF_INVERT = 0x106, |
|
33 |
+ TIFF_STRIP_OFFS = 0x111, |
|
34 |
+ TIFF_SAMPLES_PER_PIXEL = 0x115, |
|
35 |
+ TIFF_ROWSPERSTRIP = 0x116, |
|
36 |
+ TIFF_STRIP_SIZE, |
|
37 |
+ TIFF_XRES = 0x11A, |
|
38 |
+ TIFF_YRES = 0x11B, |
|
39 |
+ TIFF_PLANAR = 0x11C, |
|
40 |
+ TIFF_XPOS = 0x11E, |
|
41 |
+ TIFF_YPOS = 0x11F, |
|
42 |
+ TIFF_RES_UNIT = 0x128, |
|
43 |
+ TIFF_SOFTWARE_NAME = 0x131, |
|
44 |
+ TIFF_PREDICTOR = 0x13D, |
|
45 |
+ TIFF_PAL = 0x140, |
|
46 |
+ TIFF_YCBCR_COEFFICIENTS = 0x211, |
|
47 |
+ TIFF_YCBCR_SUBSAMPLING = 0x212, |
|
48 |
+ TIFF_YCBCR_POSITIONING = 0x213, |
|
49 |
+ TIFF_REFERENCE_BW = 0x214, |
|
50 |
+}; |
|
51 |
+ |
|
52 |
+enum TiffCompr{ |
|
53 |
+ TIFF_RAW = 1, |
|
54 |
+ TIFF_CCITT_RLE, |
|
55 |
+ TIFF_G3, |
|
56 |
+ TIFF_G4, |
|
57 |
+ TIFF_LZW, |
|
58 |
+ TIFF_JPEG, |
|
59 |
+ TIFF_NEWJPEG, |
|
60 |
+ TIFF_ADOBE_DEFLATE, |
|
61 |
+ TIFF_PACKBITS = 0x8005, |
|
62 |
+ TIFF_DEFLATE = 0x80B2 |
|
63 |
+}; |
|
64 |
+ |
|
65 |
+enum TiffTypes{ |
|
66 |
+ TIFF_BYTE = 1, |
|
67 |
+ TIFF_STRING, |
|
68 |
+ TIFF_SHORT, |
|
69 |
+ TIFF_LONG, |
|
70 |
+ TIFF_RATIONAL, |
|
71 |
+}; |
|
72 |
+ |
|
73 |
+/** sizes of various TIFF field types (string size = 100)*/ |
|
74 |
+static const uint8_t type_sizes[6] = { |
|
75 |
+ 0, 1, 100, 2, 4, 8 |
|
76 |
+}; |
|
77 |
+ |
|
78 |
+#endif /* TIFF_H */ |
0 | 79 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,359 @@ |
0 |
+/* |
|
1 |
+ * TIFF image encoder |
|
2 |
+ * Copyright (c) 2007 Bartlomiej Wolowiec |
|
3 |
+ * |
|
4 |
+ * This file is part of FFmpeg. |
|
5 |
+ * |
|
6 |
+ * FFmpeg is free software; you can redistribute it and/or |
|
7 |
+ * modify it under the terms of the GNU Lesser General Public |
|
8 |
+ * License as published by the Free Software Foundation; either |
|
9 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
10 |
+ * |
|
11 |
+ * FFmpeg is distributed in the hope that it will be useful, |
|
12 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
14 |
+ * Lesser General Public License for more details. |
|
15 |
+ * |
|
16 |
+ * You should have received a copy of the GNU Lesser General Public |
|
17 |
+ * License along with FFmpeg; if not, write to the Free Software |
|
18 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
19 |
+ * |
|
20 |
+ */ |
|
21 |
+ |
|
22 |
+#include "avcodec.h" |
|
23 |
+#ifdef CONFIG_ZLIB |
|
24 |
+#include <zlib.h> |
|
25 |
+#endif |
|
26 |
+#include "bytestream.h" |
|
27 |
+#include "tiff.h" |
|
28 |
+#include "rle.h" |
|
29 |
+ |
|
30 |
+#define TIFF_MAX_ENTRY 32 |
|
31 |
+ |
|
32 |
+/** sizes of various TIFF field types (string size = 1)*/ |
|
33 |
+static const uint8_t type_sizes2[6] = { |
|
34 |
+ 0, 1, 1, 2, 4, 8 |
|
35 |
+}; |
|
36 |
+ |
|
37 |
+typedef struct TiffEncoderContext { |
|
38 |
+ AVCodecContext *avctx; |
|
39 |
+ AVFrame picture; |
|
40 |
+ |
|
41 |
+ int width; ///< picture width |
|
42 |
+ int height; ///< picture height |
|
43 |
+ unsigned int bpp; ///< bits per pixel |
|
44 |
+ int compr; ///< compression level |
|
45 |
+ int bpp_tab_size; ///< bpp_tab size |
|
46 |
+ int invert; ///< photometric interpretation |
|
47 |
+ int strips; ///< number of strips |
|
48 |
+ int rps; ///< row per strip |
|
49 |
+ uint8_t entries[TIFF_MAX_ENTRY*12]; ///< entires in header |
|
50 |
+ int num_entries; ///< number of entires |
|
51 |
+ uint8_t **buf; ///< actual position in buffer |
|
52 |
+ uint8_t *buf_start; ///< pointer to first byte in buffer |
|
53 |
+ int buf_size; ///< buffer size |
|
54 |
+} TiffEncoderContext; |
|
55 |
+ |
|
56 |
+ |
|
57 |
+/** |
|
58 |
+ * Check free space in buffer |
|
59 |
+ * @param s Tiff context |
|
60 |
+ * @param need Needed bytes |
|
61 |
+ * @return 0 - ok, 1 - no free space |
|
62 |
+ */ |
|
63 |
+inline static int check_size(TiffEncoderContext * s, uint64_t need) |
|
64 |
+{ |
|
65 |
+ if (s->buf_size < *s->buf - s->buf_start + need) { |
|
66 |
+ *s->buf = s->buf_start + s->buf_size + 1; |
|
67 |
+ av_log(s->avctx, AV_LOG_ERROR, "Buffer is too small\n"); |
|
68 |
+ return 1; |
|
69 |
+ } |
|
70 |
+ return 0; |
|
71 |
+} |
|
72 |
+ |
|
73 |
+/** |
|
74 |
+ * Put n values to buffer |
|
75 |
+ * |
|
76 |
+ * @param p Pointer to pointer to output buffer |
|
77 |
+ * @param n Number of values |
|
78 |
+ * @param val Pointer to values |
|
79 |
+ * @param type Type of values |
|
80 |
+ * @param flip =0 - normal copy, >0 - flip |
|
81 |
+ */ |
|
82 |
+static void tnput(uint8_t ** p, int n, const uint8_t * val, enum TiffTypes type, |
|
83 |
+ int flip) |
|
84 |
+{ |
|
85 |
+ int i; |
|
86 |
+#ifdef WORDS_BIGENDIAN |
|
87 |
+ flip ^= ((int[]) {0, 0, 0, 1, 3, 3})[type]; |
|
88 |
+#endif |
|
89 |
+ for (i = 0; i < n * type_sizes2[type]; i++) |
|
90 |
+ *(*p)++ = val[i ^ flip]; |
|
91 |
+} |
|
92 |
+ |
|
93 |
+/** |
|
94 |
+ * Add entry to directory in tiff header. |
|
95 |
+ * @param s Tiff context |
|
96 |
+ * @param tag Tag that identifies the entry |
|
97 |
+ * @param type Entry type |
|
98 |
+ * @param count The number of values |
|
99 |
+ * @param ptr_val Pointer to values |
|
100 |
+ */ |
|
101 |
+static void add_entry(TiffEncoderContext * s, |
|
102 |
+ enum TiffTags tag, enum TiffTypes type, int count, |
|
103 |
+ const void *ptr_val) |
|
104 |
+{ |
|
105 |
+ uint8_t *entries_ptr = s->entries + 12 * s->num_entries; |
|
106 |
+ |
|
107 |
+ assert(s->num_entries < TIFF_MAX_ENTRY); |
|
108 |
+ |
|
109 |
+ bytestream_put_le16(&entries_ptr, tag); |
|
110 |
+ bytestream_put_le16(&entries_ptr, type); |
|
111 |
+ bytestream_put_le32(&entries_ptr, count); |
|
112 |
+ |
|
113 |
+ if (type_sizes[type] * count <= 4) { |
|
114 |
+ tnput(&entries_ptr, count, ptr_val, type, 0); |
|
115 |
+ } else { |
|
116 |
+ bytestream_put_le32(&entries_ptr, *s->buf - s->buf_start); |
|
117 |
+ check_size(s, count * type_sizes2[type]); |
|
118 |
+ tnput(s->buf, count, ptr_val, type, 0); |
|
119 |
+ } |
|
120 |
+ |
|
121 |
+ s->num_entries++; |
|
122 |
+} |
|
123 |
+ |
|
124 |
+/** |
|
125 |
+ * Encode one strip in tiff file |
|
126 |
+ * |
|
127 |
+ * @param s Tiff context |
|
128 |
+ * @param src Input buffer |
|
129 |
+ * @param dst Output buffer |
|
130 |
+ * @param n Size of input buffer |
|
131 |
+ * @param compr Compression method |
|
132 |
+ * @return Number of output bytes. If an output error is encountered, -1 returned |
|
133 |
+ */ |
|
134 |
+static int encode_strip(TiffEncoderContext * s, const int8_t * src, |
|
135 |
+ uint8_t * dst, int n, int compr) |
|
136 |
+{ |
|
137 |
+ |
|
138 |
+ switch (compr) { |
|
139 |
+#ifdef CONFIG_ZLIB |
|
140 |
+ case TIFF_DEFLATE: |
|
141 |
+ case TIFF_ADOBE_DEFLATE: |
|
142 |
+ { |
|
143 |
+ unsigned long zlen = s->buf_size - (*s->buf - s->buf_start); |
|
144 |
+ if (compress(dst, &zlen, src, n) != Z_OK) { |
|
145 |
+ av_log(s->avctx, AV_LOG_ERROR, "Compressing failed\n"); |
|
146 |
+ return -1; |
|
147 |
+ } |
|
148 |
+ return zlen; |
|
149 |
+ } |
|
150 |
+#endif |
|
151 |
+ case TIFF_RAW: |
|
152 |
+ if (check_size(s, n)) |
|
153 |
+ return -1; |
|
154 |
+ memcpy(dst, src, n); |
|
155 |
+ return n; |
|
156 |
+ case TIFF_PACKBITS: |
|
157 |
+ return ff_rle_encode(dst, s->buf_size - (*s->buf - s->buf_start), src, 1, n, 2, 0xff, -1, 0); |
|
158 |
+ default: |
|
159 |
+ return -1; |
|
160 |
+ } |
|
161 |
+} |
|
162 |
+ |
|
163 |
+static int encode_frame(AVCodecContext * avctx, unsigned char *buf, |
|
164 |
+ int buf_size, void *data) |
|
165 |
+{ |
|
166 |
+ TiffEncoderContext *s = avctx->priv_data; |
|
167 |
+ AVFrame *pict = data; |
|
168 |
+ AVFrame *const p = (AVFrame *) & s->picture; |
|
169 |
+ int i; |
|
170 |
+ int n; |
|
171 |
+ uint8_t *ptr = buf; |
|
172 |
+ uint8_t *offset; |
|
173 |
+ uint32_t strips; |
|
174 |
+ uint32_t *strip_sizes = NULL; |
|
175 |
+ uint32_t *strip_offsets = NULL; |
|
176 |
+ int bytes_per_row; |
|
177 |
+ uint32_t res[2] = { 72, 1 }; // image resolution (72/1) |
|
178 |
+ static const uint16_t bpp_tab[] = { 8, 8, 8, 8 }; |
|
179 |
+ int ret = -1; |
|
180 |
+ |
|
181 |
+ s->buf_start = buf; |
|
182 |
+ s->buf = &ptr; |
|
183 |
+ s->buf_size = buf_size; |
|
184 |
+ |
|
185 |
+ *p = *pict; |
|
186 |
+ p->pict_type = FF_I_TYPE; |
|
187 |
+ p->key_frame = 1; |
|
188 |
+ |
|
189 |
+ s->compr = TIFF_PACKBITS; |
|
190 |
+ if (avctx->compression_level == 0) { |
|
191 |
+ s->compr = TIFF_RAW; |
|
192 |
+#ifdef CONFIG_ZLIB |
|
193 |
+ } else if ((avctx->compression_level > 2)) { |
|
194 |
+ s->compr = TIFF_DEFLATE; |
|
195 |
+#endif |
|
196 |
+ } |
|
197 |
+ |
|
198 |
+ s->width = avctx->width; |
|
199 |
+ s->height = avctx->height; |
|
200 |
+ |
|
201 |
+ switch (avctx->pix_fmt) { |
|
202 |
+ case PIX_FMT_RGB24: |
|
203 |
+ s->bpp = 24; |
|
204 |
+ s->invert = 2; |
|
205 |
+ break; |
|
206 |
+ case PIX_FMT_GRAY8: |
|
207 |
+ s->bpp = 8; |
|
208 |
+ s->invert = 1; |
|
209 |
+ break; |
|
210 |
+ case PIX_FMT_PAL8: |
|
211 |
+ s->bpp = 8; |
|
212 |
+ s->invert = 3; |
|
213 |
+ break; |
|
214 |
+ case PIX_FMT_MONOBLACK: |
|
215 |
+ s->bpp = 1; |
|
216 |
+ s->invert = 1; |
|
217 |
+ break; |
|
218 |
+ case PIX_FMT_MONOWHITE: |
|
219 |
+ s->bpp = 1; |
|
220 |
+ s->invert = 0; |
|
221 |
+ break; |
|
222 |
+ default: |
|
223 |
+ av_log(s->avctx, AV_LOG_ERROR, |
|
224 |
+ "This colors format is not supported\n"); |
|
225 |
+ return -1; |
|
226 |
+ } |
|
227 |
+ s->bpp_tab_size = (s->bpp >> 3); |
|
228 |
+ |
|
229 |
+ if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE) |
|
230 |
+ //best choose for DEFLATE |
|
231 |
+ s->rps = s->height; |
|
232 |
+ else |
|
233 |
+ s->rps = FFMAX(8192 / (((s->width * s->bpp) >> 3) + 1), 1); // suggest size of strip |
|
234 |
+ |
|
235 |
+ strips = (s->height - 1) / s->rps + 1; |
|
236 |
+ |
|
237 |
+ if (check_size(s, 8)) |
|
238 |
+ goto fail; |
|
239 |
+ |
|
240 |
+ // write header |
|
241 |
+ bytestream_put_le16(&ptr, 0x4949); |
|
242 |
+ bytestream_put_le16(&ptr, 42); |
|
243 |
+ |
|
244 |
+ offset = ptr; |
|
245 |
+ bytestream_put_le32(&ptr, 0); |
|
246 |
+ |
|
247 |
+ strip_sizes = av_mallocz(sizeof(*strip_sizes) * strips); |
|
248 |
+ strip_offsets = av_mallocz(sizeof(*strip_offsets) * strips); |
|
249 |
+ |
|
250 |
+ bytes_per_row = (s->width * s->bpp + 7) >> 3; |
|
251 |
+ |
|
252 |
+#ifdef CONFIG_ZLIB |
|
253 |
+ if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE) { |
|
254 |
+ uint8_t *zbuf; |
|
255 |
+ int zlen, zn; |
|
256 |
+ int j; |
|
257 |
+ |
|
258 |
+ zlen = bytes_per_row * s->rps; |
|
259 |
+ zbuf = av_malloc(zlen); |
|
260 |
+ strip_offsets[0] = ptr - buf; |
|
261 |
+ zn = 0; |
|
262 |
+ for (j = 0; j < s->rps; j++) { |
|
263 |
+ memcpy(zbuf + j * bytes_per_row, |
|
264 |
+ p->data[0] + j * p->linesize[0], bytes_per_row); |
|
265 |
+ zn += bytes_per_row; |
|
266 |
+ } |
|
267 |
+ n = encode_strip(s, zbuf, ptr, zn, s->compr); |
|
268 |
+ av_free(zbuf); |
|
269 |
+ if (n<0) { |
|
270 |
+ av_log(s->avctx, AV_LOG_ERROR, "Encode strip failed\n"); |
|
271 |
+ goto fail; |
|
272 |
+ } |
|
273 |
+ ptr += n; |
|
274 |
+ strip_sizes[0] = ptr - buf - strip_offsets[0]; |
|
275 |
+ } else |
|
276 |
+#endif |
|
277 |
+ { |
|
278 |
+ for (i = 0; i < s->height; i++) { |
|
279 |
+ if (strip_sizes[i / s->rps] == 0) { |
|
280 |
+ strip_offsets[i / s->rps] = ptr - buf; |
|
281 |
+ } |
|
282 |
+ if ((n = encode_strip(s, p->data[0] + i * p->linesize[0] |
|
283 |
+ , ptr, bytes_per_row, s->compr)) < 0) { |
|
284 |
+ av_log(s->avctx, AV_LOG_ERROR, "Encode strip failed\n"); |
|
285 |
+ goto fail; |
|
286 |
+ } |
|
287 |
+ strip_sizes[i / s->rps] += n; |
|
288 |
+ ptr += n; |
|
289 |
+ } |
|
290 |
+ } |
|
291 |
+ |
|
292 |
+ s->num_entries = 0; |
|
293 |
+ |
|
294 |
+ add_entry(s, TIFF_SUBFILE, TIFF_LONG, 1, (uint32_t[]) {0}); |
|
295 |
+ add_entry(s, TIFF_WIDTH, TIFF_LONG, 1, (uint32_t[]) {s->width}); |
|
296 |
+ add_entry(s, TIFF_HEIGHT, TIFF_LONG, 1, (uint32_t[]) {s->height}); |
|
297 |
+ |
|
298 |
+ if (s->bpp_tab_size) |
|
299 |
+ add_entry(s, TIFF_BPP, TIFF_SHORT, s->bpp_tab_size, bpp_tab); |
|
300 |
+ |
|
301 |
+ add_entry(s, TIFF_COMPR, TIFF_SHORT, 1, (uint16_t[]) {s->compr}); |
|
302 |
+ add_entry(s, TIFF_INVERT, TIFF_SHORT, 1, (uint16_t[]) {s->invert}); |
|
303 |
+ add_entry(s, TIFF_STRIP_OFFS, TIFF_LONG, strips, strip_offsets); |
|
304 |
+ |
|
305 |
+ if (s->bpp_tab_size) |
|
306 |
+ add_entry(s, TIFF_SAMPLES_PER_PIXEL, TIFF_SHORT, 1, (uint16_t[]) {s->bpp_tab_size}); |
|
307 |
+ |
|
308 |
+ add_entry(s, TIFF_ROWSPERSTRIP, TIFF_LONG, 1, (uint32_t[]) {s->rps}); |
|
309 |
+ add_entry(s, TIFF_STRIP_SIZE, TIFF_LONG, strips, strip_sizes); |
|
310 |
+ add_entry(s, TIFF_XRES, TIFF_RATIONAL, 1, res); |
|
311 |
+ add_entry(s, TIFF_YRES, TIFF_RATIONAL, 1, res); |
|
312 |
+ add_entry(s, TIFF_RES_UNIT, TIFF_SHORT, 1, (uint16_t[]) {2}); |
|
313 |
+ add_entry(s, TIFF_SOFTWARE_NAME, TIFF_STRING, |
|
314 |
+ strlen(LIBAVCODEC_IDENT) + 1, LIBAVCODEC_IDENT); |
|
315 |
+ |
|
316 |
+ if (avctx->pix_fmt == PIX_FMT_PAL8) { |
|
317 |
+ uint16_t pal[256 * 3]; |
|
318 |
+ for (i = 0; i < 256; i++) { |
|
319 |
+ uint32_t rgb = *(uint32_t *) (p->data[1] + i * 4); |
|
320 |
+ pal[i] = ((rgb >> 16) & 0xff) * 257; |
|
321 |
+ pal[i + 256] = ((rgb >> 8 ) & 0xff) * 257; |
|
322 |
+ pal[i + 512] = ( rgb & 0xff) * 257; |
|
323 |
+ } |
|
324 |
+ add_entry(s, TIFF_PAL, TIFF_SHORT, 256 * 3, pal); |
|
325 |
+ } |
|
326 |
+ bytestream_put_le32(&offset, ptr - buf); // write offset to dir |
|
327 |
+ |
|
328 |
+ if (check_size(s, 6 + s->num_entries * 12)) |
|
329 |
+ goto fail; |
|
330 |
+ bytestream_put_le16(&ptr, s->num_entries); // write tag count |
|
331 |
+ bytestream_put_buffer(&ptr, s->entries, s->num_entries * 12); |
|
332 |
+ bytestream_put_le32(&ptr, 0); |
|
333 |
+ |
|
334 |
+ ret = ptr - buf; |
|
335 |
+ |
|
336 |
+fail: |
|
337 |
+ av_free(strip_sizes); |
|
338 |
+ av_free(strip_offsets); |
|
339 |
+ return ret; |
|
340 |
+} |
|
341 |
+ |
|
342 |
+AVCodec tiff_encoder = { |
|
343 |
+ "tiff", |
|
344 |
+ CODEC_TYPE_VIDEO, |
|
345 |
+ CODEC_ID_TIFF, |
|
346 |
+ sizeof(TiffEncoderContext), |
|
347 |
+ NULL, |
|
348 |
+ encode_frame, |
|
349 |
+ NULL, |
|
350 |
+ NULL, |
|
351 |
+ 0, |
|
352 |
+ NULL, |
|
353 |
+ .pix_fmts = |
|
354 |
+ (enum PixelFormat[]) {PIX_FMT_RGB24, PIX_FMT_PAL8, PIX_FMT_GRAY8, |
|
355 |
+ PIX_FMT_MONOBLACK, PIX_FMT_MONOWHITE, |
|
356 |
+ -1} |
|
357 |
+ |
|
358 |
+}; |