1
by Reinhard Tartler
Import upstream version 0.6.2 |
1 |
/*
|
2 |
* IFF PBM/ILBM bitmap decoder
|
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3 |
* Copyright (c) 2010 Peter Ross <pross@xvid.org>
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4 |
* Copyright (c) 2010 Sebastian Vater <cdgs.basty@googlemail.com>
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5 |
*
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1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
6 |
* This file is part of Libav.
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1
by Reinhard Tartler
Import upstream version 0.6.2 |
7 |
*
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
8 |
* Libav is free software; you can redistribute it and/or
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
9 |
* modify it under the terms of the GNU Lesser General Public
|
10 |
* License as published by the Free Software Foundation; either
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11 |
* version 2.1 of the License, or (at your option) any later version.
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12 |
*
|
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1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
13 |
* Libav is distributed in the hope that it will be useful,
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1
by Reinhard Tartler
Import upstream version 0.6.2 |
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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|
16 |
* Lesser General Public License for more details.
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17 |
*
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18 |
* You should have received a copy of the GNU Lesser General Public
|
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1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
19 |
* License along with Libav; if not, write to the Free Software
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
20 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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21 |
*/
|
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22 |
||
23 |
/**
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24 |
* @file
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25 |
* IFF PBM/ILBM bitmap decoder
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26 |
*/
|
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27 |
||
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
28 |
#include "libavutil/imgutils.h" |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
29 |
#include "bytestream.h" |
30 |
#include "avcodec.h" |
|
31 |
#include "get_bits.h" |
|
32 |
||
33 |
typedef struct { |
|
34 |
AVFrame frame; |
|
35 |
int planesize; |
|
36 |
uint8_t * planebuf; |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
37 |
int init; // 1 if buffer and palette data already initialized, 0 otherwise |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
38 |
} IffContext; |
39 |
||
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
40 |
#define LUT8_PART(plane, v) \
|
41 |
AV_LE2NE64C(UINT64_C(0x0000000)<<32 | v) << plane, \
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|
42 |
AV_LE2NE64C(UINT64_C(0x1000000)<<32 | v) << plane, \
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|
43 |
AV_LE2NE64C(UINT64_C(0x0010000)<<32 | v) << plane, \
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44 |
AV_LE2NE64C(UINT64_C(0x1010000)<<32 | v) << plane, \
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45 |
AV_LE2NE64C(UINT64_C(0x0000100)<<32 | v) << plane, \
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|
46 |
AV_LE2NE64C(UINT64_C(0x1000100)<<32 | v) << plane, \
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47 |
AV_LE2NE64C(UINT64_C(0x0010100)<<32 | v) << plane, \
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48 |
AV_LE2NE64C(UINT64_C(0x1010100)<<32 | v) << plane, \
|
|
49 |
AV_LE2NE64C(UINT64_C(0x0000001)<<32 | v) << plane, \
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50 |
AV_LE2NE64C(UINT64_C(0x1000001)<<32 | v) << plane, \
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51 |
AV_LE2NE64C(UINT64_C(0x0010001)<<32 | v) << plane, \
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52 |
AV_LE2NE64C(UINT64_C(0x1010001)<<32 | v) << plane, \
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53 |
AV_LE2NE64C(UINT64_C(0x0000101)<<32 | v) << plane, \
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54 |
AV_LE2NE64C(UINT64_C(0x1000101)<<32 | v) << plane, \
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55 |
AV_LE2NE64C(UINT64_C(0x0010101)<<32 | v) << plane, \
|
|
56 |
AV_LE2NE64C(UINT64_C(0x1010101)<<32 | v) << plane
|
|
57 |
||
58 |
#define LUT8(plane) { \
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|
59 |
LUT8_PART(plane, 0x0000000), \
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|
60 |
LUT8_PART(plane, 0x1000000), \
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61 |
LUT8_PART(plane, 0x0010000), \
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62 |
LUT8_PART(plane, 0x1010000), \
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63 |
LUT8_PART(plane, 0x0000100), \
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64 |
LUT8_PART(plane, 0x1000100), \
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65 |
LUT8_PART(plane, 0x0010100), \
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|
66 |
LUT8_PART(plane, 0x1010100), \
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67 |
LUT8_PART(plane, 0x0000001), \
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68 |
LUT8_PART(plane, 0x1000001), \
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|
69 |
LUT8_PART(plane, 0x0010001), \
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70 |
LUT8_PART(plane, 0x1010001), \
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71 |
LUT8_PART(plane, 0x0000101), \
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72 |
LUT8_PART(plane, 0x1000101), \
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73 |
LUT8_PART(plane, 0x0010101), \
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|
74 |
LUT8_PART(plane, 0x1010101), \
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|
75 |
}
|
|
76 |
||
77 |
// 8 planes * 8-bit mask
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|
78 |
static const uint64_t plane8_lut[8][256] = { |
|
79 |
LUT8(0), LUT8(1), LUT8(2), LUT8(3), |
|
80 |
LUT8(4), LUT8(5), LUT8(6), LUT8(7), |
|
81 |
};
|
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82 |
||
83 |
#define LUT32(plane) { \
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|
84 |
0, 0, 0, 0, \
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|
85 |
0, 0, 0, 1 << plane, \
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86 |
0, 0, 1 << plane, 0, \
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87 |
0, 0, 1 << plane, 1 << plane, \
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|
88 |
0, 1 << plane, 0, 0, \
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89 |
0, 1 << plane, 0, 1 << plane, \
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90 |
0, 1 << plane, 1 << plane, 0, \
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91 |
0, 1 << plane, 1 << plane, 1 << plane, \
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92 |
1 << plane, 0, 0, 0, \
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93 |
1 << plane, 0, 0, 1 << plane, \
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94 |
1 << plane, 0, 1 << plane, 0, \
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95 |
1 << plane, 0, 1 << plane, 1 << plane, \
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96 |
1 << plane, 1 << plane, 0, 0, \
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97 |
1 << plane, 1 << plane, 0, 1 << plane, \
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98 |
1 << plane, 1 << plane, 1 << plane, 0, \
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99 |
1 << plane, 1 << plane, 1 << plane, 1 << plane, \
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|
100 |
}
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101 |
||
102 |
// 32 planes * 4-bit mask * 4 lookup tables each
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103 |
static const uint32_t plane32_lut[32][16*4] = { |
|
104 |
LUT32( 0), LUT32( 1), LUT32( 2), LUT32( 3), |
|
105 |
LUT32( 4), LUT32( 5), LUT32( 6), LUT32( 7), |
|
106 |
LUT32( 8), LUT32( 9), LUT32(10), LUT32(11), |
|
107 |
LUT32(12), LUT32(13), LUT32(14), LUT32(15), |
|
108 |
LUT32(16), LUT32(17), LUT32(18), LUT32(19), |
|
109 |
LUT32(20), LUT32(21), LUT32(22), LUT32(23), |
|
110 |
LUT32(24), LUT32(25), LUT32(26), LUT32(27), |
|
111 |
LUT32(28), LUT32(29), LUT32(30), LUT32(31), |
|
112 |
};
|
|
113 |
||
114 |
// Gray to RGB, required for palette table of grayscale images with bpp < 8
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115 |
static av_always_inline uint32_t gray2rgb(const uint32_t x) { |
|
116 |
return x << 16 | x << 8 | x; |
|
117 |
}
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118 |
||
1
by Reinhard Tartler
Import upstream version 0.6.2 |
119 |
/**
|
120 |
* Convert CMAP buffer (stored in extradata) to lavc palette format
|
|
121 |
*/
|
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
122 |
static int ff_cmap_read_palette(AVCodecContext *avctx, uint32_t *pal) |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
123 |
{
|
124 |
int count, i; |
|
125 |
||
126 |
if (avctx->bits_per_coded_sample > 8) { |
|
127 |
av_log(avctx, AV_LOG_ERROR, "bit_per_coded_sample > 8 not supported\n"); |
|
128 |
return AVERROR_INVALIDDATA; |
|
129 |
}
|
|
130 |
||
131 |
count = 1 << avctx->bits_per_coded_sample; |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
132 |
// If extradata is smaller than actually needed, fill the remaining with black.
|
133 |
count = FFMIN(avctx->extradata_size / 3, count); |
|
134 |
if (count) { |
|
135 |
for (i=0; i < count; i++) { |
|
136 |
pal[i] = 0xFF000000 | AV_RB24( avctx->extradata + i*3 ); |
|
137 |
}
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|
138 |
} else { // Create gray-scale color palette for bps < 8 |
|
139 |
count = 1 << avctx->bits_per_coded_sample; |
|
140 |
||
141 |
for (i=0; i < count; i++) { |
|
142 |
pal[i] = 0xFF000000 | gray2rgb((i * 255) >> avctx->bits_per_coded_sample); |
|
143 |
}
|
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1
by Reinhard Tartler
Import upstream version 0.6.2 |
144 |
}
|
145 |
return 0; |
|
146 |
}
|
|
147 |
||
148 |
static av_cold int decode_init(AVCodecContext *avctx) |
|
149 |
{
|
|
150 |
IffContext *s = avctx->priv_data; |
|
151 |
int err; |
|
152 |
||
153 |
if (avctx->bits_per_coded_sample <= 8) { |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
154 |
avctx->pix_fmt = (avctx->bits_per_coded_sample < 8 || |
155 |
avctx->extradata_size) ? PIX_FMT_PAL8 |
|
156 |
: PIX_FMT_GRAY8; |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
157 |
} else if (avctx->bits_per_coded_sample <= 32) { |
158 |
avctx->pix_fmt = PIX_FMT_BGR32; |
|
159 |
} else { |
|
160 |
return AVERROR_INVALIDDATA; |
|
161 |
}
|
|
162 |
||
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
163 |
if ((err = av_image_check_size(avctx->width, avctx->height, 0, avctx))) |
164 |
return err; |
|
165 |
s->planesize = FFALIGN(avctx->width, 16) >> 3; // Align plane size in bits to word-boundary |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
166 |
s->planebuf = av_malloc(s->planesize + FF_INPUT_BUFFER_PADDING_SIZE); |
167 |
if (!s->planebuf) |
|
168 |
return AVERROR(ENOMEM); |
|
169 |
||
170 |
s->frame.reference = 1; |
|
171 |
||
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
172 |
return 0; |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
173 |
}
|
174 |
||
175 |
/**
|
|
176 |
* Decode interleaved plane buffer up to 8bpp
|
|
177 |
* @param dst Destination buffer
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|
178 |
* @param buf Source buffer
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|
179 |
* @param buf_size
|
|
180 |
* @param plane plane number to decode as
|
|
181 |
*/
|
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
182 |
static void decodeplane8(uint8_t *dst, const uint8_t *buf, int buf_size, int plane) |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
183 |
{
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
184 |
const uint64_t *lut = plane8_lut[plane]; |
185 |
do { |
|
186 |
uint64_t v = AV_RN64A(dst) | lut[*buf++]; |
|
187 |
AV_WN64A(dst, v); |
|
188 |
dst += 8; |
|
189 |
} while (--buf_size); |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
190 |
}
|
191 |
||
192 |
/**
|
|
193 |
* Decode interleaved plane buffer up to 24bpp
|
|
194 |
* @param dst Destination buffer
|
|
195 |
* @param buf Source buffer
|
|
196 |
* @param buf_size
|
|
197 |
* @param plane plane number to decode as
|
|
198 |
*/
|
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
199 |
static void decodeplane32(uint32_t *dst, const uint8_t *buf, int buf_size, int plane) |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
200 |
{
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
201 |
const uint32_t *lut = plane32_lut[plane]; |
202 |
do { |
|
203 |
unsigned mask = (*buf >> 2) & ~3; |
|
204 |
dst[0] |= lut[mask++]; |
|
205 |
dst[1] |= lut[mask++]; |
|
206 |
dst[2] |= lut[mask++]; |
|
207 |
dst[3] |= lut[mask]; |
|
208 |
mask = (*buf++ << 2) & 0x3F; |
|
209 |
dst[4] |= lut[mask++]; |
|
210 |
dst[5] |= lut[mask++]; |
|
211 |
dst[6] |= lut[mask++]; |
|
212 |
dst[7] |= lut[mask]; |
|
213 |
dst += 8; |
|
214 |
} while (--buf_size); |
|
215 |
}
|
|
216 |
||
217 |
/**
|
|
218 |
* Decode one complete byterun1 encoded line.
|
|
219 |
*
|
|
220 |
* @param dst the destination buffer where to store decompressed bitstream
|
|
221 |
* @param dst_size the destination plane size in bytes
|
|
222 |
* @param buf the source byterun1 compressed bitstream
|
|
223 |
* @param buf_end the EOF of source byterun1 compressed bitstream
|
|
224 |
* @return number of consumed bytes in byterun1 compressed bitstream
|
|
225 |
*/
|
|
226 |
static int decode_byterun(uint8_t *dst, int dst_size, |
|
227 |
const uint8_t *buf, const uint8_t *const buf_end) { |
|
228 |
const uint8_t *const buf_start = buf; |
|
229 |
unsigned x; |
|
230 |
for (x = 0; x < dst_size && buf < buf_end;) { |
|
231 |
unsigned length; |
|
232 |
const int8_t value = *buf++; |
|
233 |
if (value >= 0) { |
|
234 |
length = value + 1; |
|
235 |
memcpy(dst + x, buf, FFMIN3(length, dst_size - x, buf_end - buf)); |
|
236 |
buf += length; |
|
237 |
} else if (value > -128) { |
|
238 |
length = -value + 1; |
|
239 |
memset(dst + x, *buf++, FFMIN(length, dst_size - x)); |
|
240 |
} else { // noop |
|
241 |
continue; |
|
242 |
}
|
|
243 |
x += length; |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
244 |
}
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
245 |
return buf - buf_start; |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
246 |
}
|
247 |
||
248 |
static int decode_frame_ilbm(AVCodecContext *avctx, |
|
249 |
void *data, int *data_size, |
|
250 |
AVPacket *avpkt) |
|
251 |
{
|
|
252 |
IffContext *s = avctx->priv_data; |
|
253 |
const uint8_t *buf = avpkt->data; |
|
254 |
int buf_size = avpkt->size; |
|
255 |
const uint8_t *buf_end = buf+buf_size; |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
256 |
int y, plane, res; |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
257 |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
258 |
if (s->init) { |
259 |
if ((res = avctx->reget_buffer(avctx, &s->frame)) < 0) { |
|
260 |
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); |
|
261 |
return res; |
|
262 |
}
|
|
263 |
} else if ((res = avctx->get_buffer(avctx, &s->frame)) < 0) { |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
264 |
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); |
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
265 |
return res; |
266 |
} else if (avctx->bits_per_coded_sample <= 8 && avctx->pix_fmt != PIX_FMT_GRAY8) { |
|
267 |
if ((res = ff_cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0) |
|
268 |
return res; |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
269 |
}
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
270 |
s->init = 1; |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
271 |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
272 |
if (avctx->codec_tag == MKTAG('I','L','B','M')) { // interleaved |
273 |
if (avctx->pix_fmt == PIX_FMT_PAL8 || avctx->pix_fmt == PIX_FMT_GRAY8) { |
|
274 |
for(y = 0; y < avctx->height; y++ ) { |
|
275 |
uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ]; |
|
276 |
memset(row, 0, avctx->width); |
|
277 |
for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end; plane++) { |
|
278 |
decodeplane8(row, buf, FFMIN(s->planesize, buf_end - buf), plane); |
|
279 |
buf += s->planesize; |
|
280 |
}
|
|
281 |
}
|
|
282 |
} else { // PIX_FMT_BGR32 |
|
283 |
for(y = 0; y < avctx->height; y++ ) { |
|
284 |
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]]; |
|
285 |
memset(row, 0, avctx->width << 2); |
|
286 |
for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end; plane++) { |
|
287 |
decodeplane32((uint32_t *) row, buf, FFMIN(s->planesize, buf_end - buf), plane); |
|
288 |
buf += s->planesize; |
|
289 |
}
|
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
290 |
}
|
291 |
}
|
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
292 |
} else if (avctx->pix_fmt == PIX_FMT_PAL8 || avctx->pix_fmt == PIX_FMT_GRAY8) { // IFF-PBM |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
293 |
for(y = 0; y < avctx->height; y++ ) { |
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
294 |
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]]; |
295 |
memcpy(row, buf, FFMIN(avctx->width, buf_end - buf)); |
|
296 |
buf += avctx->width + (avctx->width % 2); // padding if odd |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
297 |
}
|
298 |
}
|
|
299 |
||
300 |
*data_size = sizeof(AVFrame); |
|
301 |
*(AVFrame*)data = s->frame; |
|
302 |
return buf_size; |
|
303 |
}
|
|
304 |
||
305 |
static int decode_frame_byterun1(AVCodecContext *avctx, |
|
306 |
void *data, int *data_size, |
|
307 |
AVPacket *avpkt) |
|
308 |
{
|
|
309 |
IffContext *s = avctx->priv_data; |
|
310 |
const uint8_t *buf = avpkt->data; |
|
311 |
int buf_size = avpkt->size; |
|
312 |
const uint8_t *buf_end = buf+buf_size; |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
313 |
int y, plane, res; |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
314 |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
315 |
if (s->init) { |
316 |
if ((res = avctx->reget_buffer(avctx, &s->frame)) < 0) { |
|
317 |
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); |
|
318 |
return res; |
|
319 |
}
|
|
320 |
} else if ((res = avctx->get_buffer(avctx, &s->frame)) < 0) { |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
321 |
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); |
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
322 |
return res; |
323 |
} else if (avctx->bits_per_coded_sample <= 8 && avctx->pix_fmt != PIX_FMT_GRAY8) { |
|
324 |
if ((res = ff_cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0) |
|
325 |
return res; |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
326 |
}
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
327 |
s->init = 1; |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
328 |
|
329 |
if (avctx->codec_tag == MKTAG('I','L','B','M')) { //interleaved |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
330 |
if (avctx->pix_fmt == PIX_FMT_PAL8 || avctx->pix_fmt == PIX_FMT_GRAY8) { |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
331 |
for(y = 0; y < avctx->height ; y++ ) { |
332 |
uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ]; |
|
333 |
memset(row, 0, avctx->width); |
|
334 |
for (plane = 0; plane < avctx->bits_per_coded_sample; plane++) { |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
335 |
buf += decode_byterun(s->planebuf, s->planesize, buf, buf_end); |
336 |
decodeplane8(row, s->planebuf, s->planesize, plane); |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
337 |
}
|
338 |
}
|
|
339 |
} else { //PIX_FMT_BGR32 |
|
340 |
for(y = 0; y < avctx->height ; y++ ) { |
|
341 |
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]]; |
|
342 |
memset(row, 0, avctx->width << 2); |
|
343 |
for (plane = 0; plane < avctx->bits_per_coded_sample; plane++) { |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
344 |
buf += decode_byterun(s->planebuf, s->planesize, buf, buf_end); |
345 |
decodeplane32((uint32_t *) row, s->planebuf, s->planesize, plane); |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
346 |
}
|
347 |
}
|
|
348 |
}
|
|
349 |
} else { |
|
350 |
for(y = 0; y < avctx->height ; y++ ) { |
|
351 |
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]]; |
|
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
352 |
buf += decode_byterun(row, avctx->width, buf, buf_end); |
1
by Reinhard Tartler
Import upstream version 0.6.2 |
353 |
}
|
354 |
}
|
|
355 |
||
356 |
*data_size = sizeof(AVFrame); |
|
357 |
*(AVFrame*)data = s->frame; |
|
358 |
return buf_size; |
|
359 |
}
|
|
360 |
||
361 |
static av_cold int decode_end(AVCodecContext *avctx) |
|
362 |
{
|
|
363 |
IffContext *s = avctx->priv_data; |
|
364 |
if (s->frame.data[0]) |
|
365 |
avctx->release_buffer(avctx, &s->frame); |
|
366 |
av_freep(&s->planebuf); |
|
367 |
return 0; |
|
368 |
}
|
|
369 |
||
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
370 |
AVCodec ff_iff_ilbm_decoder = { |
1.4.1
by Reinhard Tartler
Import upstream version 0.8~beta1 |
371 |
.name = "iff_ilbm", |
372 |
.type = AVMEDIA_TYPE_VIDEO, |
|
373 |
.id = CODEC_ID_IFF_ILBM, |
|
374 |
.priv_data_size = sizeof(IffContext), |
|
375 |
.init = decode_init, |
|
376 |
.close = decode_end, |
|
377 |
.decode = decode_frame_ilbm, |
|
378 |
.capabilities = CODEC_CAP_DR1, |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
379 |
.long_name = NULL_IF_CONFIG_SMALL("IFF ILBM"), |
380 |
};
|
|
381 |
||
1.2.1
by Reinhard Tartler
Import upstream version 0.7~b1 |
382 |
AVCodec ff_iff_byterun1_decoder = { |
1.4.1
by Reinhard Tartler
Import upstream version 0.8~beta1 |
383 |
.name = "iff_byterun1", |
384 |
.type = AVMEDIA_TYPE_VIDEO, |
|
385 |
.id = CODEC_ID_IFF_BYTERUN1, |
|
386 |
.priv_data_size = sizeof(IffContext), |
|
387 |
.init = decode_init, |
|
388 |
.close = decode_end, |
|
389 |
.decode = decode_frame_byterun1, |
|
390 |
.capabilities = CODEC_CAP_DR1, |
|
1
by Reinhard Tartler
Import upstream version 0.6.2 |
391 |
.long_name = NULL_IF_CONFIG_SMALL("IFF ByteRun1"), |
392 |
};
|