GCC Code Coverage Report | |||||||||||||||||||||
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Line | Branch | Exec | Source |
1 |
/* |
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2 |
* Raw Video Decoder |
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3 |
* Copyright (c) 2001 Fabrice Bellard |
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4 |
* |
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5 |
* This file is part of FFmpeg. |
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6 |
* |
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7 |
* FFmpeg is free software; you can redistribute it and/or |
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8 |
* modify it under the terms of the GNU Lesser General Public |
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9 |
* License as published by the Free Software Foundation; either |
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10 |
* version 2.1 of the License, or (at your option) any later version. |
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11 |
* |
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12 |
* FFmpeg is distributed in the hope that it will be useful, |
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13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 |
* Lesser General Public License for more details. |
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16 |
* |
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17 |
* You should have received a copy of the GNU Lesser General Public |
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18 |
* License along with FFmpeg; if not, write to the Free Software |
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19 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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20 |
*/ |
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21 |
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22 |
/** |
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23 |
* @file |
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24 |
* Raw Video Decoder |
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25 |
*/ |
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26 |
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27 |
#include "avcodec.h" |
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28 |
#include "bswapdsp.h" |
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29 |
#include "decode.h" |
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30 |
#include "get_bits.h" |
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31 |
#include "internal.h" |
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32 |
#include "raw.h" |
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33 |
#include "libavutil/avassert.h" |
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34 |
#include "libavutil/buffer.h" |
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35 |
#include "libavutil/common.h" |
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36 |
#include "libavutil/intreadwrite.h" |
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37 |
#include "libavutil/imgutils.h" |
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38 |
#include "libavutil/opt.h" |
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39 |
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40 |
typedef struct RawVideoContext { |
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41 |
AVClass *av_class; |
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42 |
AVBufferRef *palette; |
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43 |
int frame_size; /* size of the frame in bytes */ |
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44 |
int flip; |
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45 |
int is_1_2_4_8_bpp; // 1, 2, 4 and 8 bpp in avi/mov, 1 and 8 bpp in nut |
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46 |
int is_mono; |
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47 |
int is_pal8; |
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48 |
int is_nut_mono; |
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49 |
int is_nut_pal8; |
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50 |
int is_yuv2; |
||
51 |
int is_lt_16bpp; // 16bpp pixfmt and bits_per_coded_sample < 16 |
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52 |
int tff; |
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53 |
|||
54 |
BswapDSPContext bbdsp; |
||
55 |
void *bitstream_buf; |
||
56 |
unsigned int bitstream_buf_size; |
||
57 |
} RawVideoContext; |
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58 |
|||
59 |
static const AVOption options[]={ |
||
60 |
{"top", "top field first", offsetof(RawVideoContext, tff), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM|AV_OPT_FLAG_VIDEO_PARAM}, |
||
61 |
{NULL} |
||
62 |
}; |
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63 |
|||
64 |
static const AVClass rawdec_class = { |
||
65 |
.class_name = "rawdec", |
||
66 |
.option = options, |
||
67 |
.version = LIBAVUTIL_VERSION_INT, |
||
68 |
}; |
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69 |
|||
70 |
1112 |
static av_cold int raw_init_decoder(AVCodecContext *avctx) |
|
71 |
{ |
||
72 |
1112 |
RawVideoContext *context = avctx->priv_data; |
|
73 |
const AVPixFmtDescriptor *desc; |
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74 |
|||
75 |
1112 |
ff_bswapdsp_init(&context->bbdsp); |
|
76 |
|||
77 |
✓✗ | 1112 |
if ( avctx->codec_tag == MKTAG('r','a','w',' ') |
78 |
✗✓ | 1112 |
|| avctx->codec_tag == MKTAG('N','O','1','6')) |
79 |
avctx->pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov, |
||
80 |
avctx->bits_per_coded_sample); |
||
81 |
✗✓ | 1112 |
else if (avctx->codec_tag == MKTAG('W', 'R', 'A', 'W')) |
82 |
avctx->pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_avi, |
||
83 |
avctx->bits_per_coded_sample); |
||
84 |
✓✓✓✓ |
1112 |
else if (avctx->codec_tag && (avctx->codec_tag & 0xFFFFFF) != MKTAG('B','I','T', 0)) |
85 |
563 |
avctx->pix_fmt = avpriv_find_pix_fmt(ff_raw_pix_fmt_tags, avctx->codec_tag); |
|
86 |
✓✓✓✗ |
549 |
else if (avctx->pix_fmt == AV_PIX_FMT_NONE && avctx->bits_per_coded_sample) |
87 |
14 |
avctx->pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_avi, |
|
88 |
14 |
avctx->bits_per_coded_sample); |
|
89 |
|||
90 |
1112 |
desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
|
91 |
✗✓ | 1112 |
if (!desc) { |
92 |
av_log(avctx, AV_LOG_ERROR, "Invalid pixel format.\n"); |
||
93 |
return AVERROR(EINVAL); |
||
94 |
} |
||
95 |
|||
96 |
✓✓ | 1112 |
if (desc->flags & (AV_PIX_FMT_FLAG_PAL | FF_PSEUDOPAL)) { |
97 |
11 |
context->palette = av_buffer_alloc(AVPALETTE_SIZE); |
|
98 |
✗✓ | 11 |
if (!context->palette) |
99 |
return AVERROR(ENOMEM); |
||
100 |
#if FF_API_PSEUDOPAL |
||
101 |
✓✓ | 11 |
if (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) |
102 |
3 |
avpriv_set_systematic_pal2((uint32_t*)context->palette->data, avctx->pix_fmt); |
|
103 |
#endif |
||
104 |
else { |
||
105 |
8 |
memset(context->palette->data, 0, AVPALETTE_SIZE); |
|
106 |
✓✗ | 8 |
if (avctx->bits_per_coded_sample == 1) |
107 |
8 |
memset(context->palette->data, 0xff, 4); |
|
108 |
} |
||
109 |
} |
||
110 |
|||
111 |
✓✓ | 1112 |
if ((avctx->extradata_size >= 9 && |
112 |
✗✓ | 2 |
!memcmp(avctx->extradata + avctx->extradata_size - 9, "BottomUp", 9)) || |
113 |
✓✗ | 1110 |
avctx->codec_tag == MKTAG('c','y','u','v') || |
114 |
✓✗ | 1110 |
avctx->codec_tag == MKTAG(3, 0, 0, 0) || |
115 |
✗✓ | 1110 |
avctx->codec_tag == MKTAG('W','R','A','W')) |
116 |
2 |
context->flip = 1; |
|
117 |
|||
118 |
✓✓ | 1112 |
if (avctx->pix_fmt == AV_PIX_FMT_MONOWHITE || |
119 |
✓✓ | 1110 |
avctx->pix_fmt == AV_PIX_FMT_MONOBLACK) |
120 |
4 |
context->is_mono = 1; |
|
121 |
✓✓ | 1108 |
else if (avctx->pix_fmt == AV_PIX_FMT_PAL8) |
122 |
8 |
context->is_pal8 = 1; |
|
123 |
|||
124 |
✓✓ | 1112 |
if (avctx->codec_tag == MKTAG('B','1','W','0') || |
125 |
✓✓ | 1111 |
avctx->codec_tag == MKTAG('B','0','W','1')) |
126 |
2 |
context->is_nut_mono = 1; |
|
127 |
✗✓ | 1110 |
else if (avctx->codec_tag == MKTAG('P','A','L',8)) |
128 |
context->is_nut_pal8 = 1; |
||
129 |
|||
130 |
✗✓ | 1112 |
if (avctx->codec_tag == AV_RL32("yuv2") && |
131 |
avctx->pix_fmt == AV_PIX_FMT_YUYV422) |
||
132 |
context->is_yuv2 = 1; |
||
133 |
|||
134 |
1112 |
return 0; |
|
135 |
} |
||
136 |
|||
137 |
static void flip(AVCodecContext *avctx, AVFrame *frame) |
||
138 |
{ |
||
139 |
frame->data[0] += frame->linesize[0] * (avctx->height - 1); |
||
140 |
frame->linesize[0] *= -1; |
||
141 |
} |
||
142 |
|||
143 |
/* |
||
144 |
* Scale sample to 16-bit resolution |
||
145 |
*/ |
||
146 |
#define SCALE16(x, bits) (((x) << (16 - (bits))) | ((x) >> (2 * (bits) - 16))) |
||
147 |
|||
148 |
/** |
||
149 |
* Scale buffer to 16 bits per coded sample resolution |
||
150 |
*/ |
||
151 |
#define MKSCALE16(name, r16, w16) \ |
||
152 |
static void name(AVCodecContext *avctx, uint8_t * dst, const uint8_t *buf, int buf_size, int packed) \ |
||
153 |
{ \ |
||
154 |
int i; \ |
||
155 |
if (!packed) { \ |
||
156 |
for (i = 0; i + 1 < buf_size; i += 2) \ |
||
157 |
w16(dst + i, SCALE16(r16(buf + i), avctx->bits_per_coded_sample)); \ |
||
158 |
} else { \ |
||
159 |
GetBitContext gb; \ |
||
160 |
init_get_bits(&gb, buf, buf_size * 8); \ |
||
161 |
for (i = 0; i < avctx->width * avctx->height; i++) { \ |
||
162 |
int sample = get_bits(&gb, avctx->bits_per_coded_sample); \ |
||
163 |
w16(dst + i*2, SCALE16(sample, avctx->bits_per_coded_sample)); \ |
||
164 |
} \ |
||
165 |
} \ |
||
166 |
} |
||
167 |
|||
168 |
MKSCALE16(scale16be, AV_RB16, AV_WB16) |
||
169 |
MKSCALE16(scale16le, AV_RL16, AV_WL16) |
||
170 |
|||
171 |
21388 |
static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, |
|
172 |
AVPacket *avpkt) |
||
173 |
{ |
||
174 |
const AVPixFmtDescriptor *desc; |
||
175 |
21388 |
RawVideoContext *context = avctx->priv_data; |
|
176 |
21388 |
const uint8_t *buf = avpkt->data; |
|
177 |
21388 |
int buf_size = avpkt->size; |
|
178 |
21388 |
int linesize_align = 4; |
|
179 |
int stride; |
||
180 |
int res, len; |
||
181 |
int need_copy; |
||
182 |
|||
183 |
21388 |
AVFrame *frame = data; |
|
184 |
|||
185 |
✗✓ | 21388 |
if (avctx->width <= 0) { |
186 |
av_log(avctx, AV_LOG_ERROR, "width is not set\n"); |
||
187 |
return AVERROR_INVALIDDATA; |
||
188 |
} |
||
189 |
✗✓ | 21388 |
if (avctx->height <= 0) { |
190 |
av_log(avctx, AV_LOG_ERROR, "height is not set\n"); |
||
191 |
return AVERROR_INVALIDDATA; |
||
192 |
} |
||
193 |
|||
194 |
✓✓ | 21388 |
if (context->is_nut_mono) |
195 |
2 |
stride = avctx->width / 8 + (avctx->width & 7 ? 1 : 0); |
|
196 |
✗✓ | 21386 |
else if (context->is_nut_pal8) |
197 |
stride = avctx->width; |
||
198 |
else |
||
199 |
21386 |
stride = avpkt->size / avctx->height; |
|
200 |
|||
201 |
21388 |
av_log(avctx, AV_LOG_DEBUG, "PACKET SIZE: %d, STRIDE: %d\n", avpkt->size, stride); |
|
202 |
|||
203 |
✓✓✗✓ |
21388 |
if (stride == 0 || avpkt->size < stride * avctx->height) { |
204 |
1 |
av_log(avctx, AV_LOG_ERROR, "Packet too small (%d)\n", avpkt->size); |
|
205 |
1 |
return AVERROR_INVALIDDATA; |
|
206 |
} |
||
207 |
|||
208 |
21387 |
desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
|
209 |
|||
210 |
✓✗✓✗ |
21387 |
if ((avctx->bits_per_coded_sample == 8 || avctx->bits_per_coded_sample == 4 || |
211 |
✓✗✓✓ |
21387 |
avctx->bits_per_coded_sample == 2 || avctx->bits_per_coded_sample == 1 || |
212 |
✓✓✓✗ ✓✓ |
21187 |
(avctx->bits_per_coded_sample == 0 && (context->is_nut_pal8 || context->is_mono)) ) && |
213 |
✓✓✓✗ |
202 |
(context->is_mono || context->is_pal8) && |
214 |
✓✓✓✗ |
202 |
(!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' ') || |
215 |
✗✓✗✗ |
2 |
context->is_nut_mono || context->is_nut_pal8)) { |
216 |
202 |
context->is_1_2_4_8_bpp = 1; |
|
217 |
✓✓ | 202 |
if (context->is_mono) { |
218 |
2 |
int row_bytes = avctx->width / 8 + (avctx->width & 7 ? 1 : 0); |
|
219 |
2 |
context->frame_size = av_image_get_buffer_size(avctx->pix_fmt, |
|
220 |
2 |
FFALIGN(row_bytes, 16) * 8, |
|
221 |
avctx->height, 1); |
||
222 |
} else |
||
223 |
200 |
context->frame_size = av_image_get_buffer_size(avctx->pix_fmt, |
|
224 |
200 |
FFALIGN(avctx->width, 16), |
|
225 |
avctx->height, 1); |
||
226 |
} else { |
||
227 |
✓✓✓✓ ✗✓ |
21185 |
context->is_lt_16bpp = av_get_bits_per_pixel(desc) == 16 && avctx->bits_per_coded_sample > 8 && avctx->bits_per_coded_sample < 16; |
228 |
21185 |
context->frame_size = av_image_get_buffer_size(avctx->pix_fmt, avctx->width, |
|
229 |
avctx->height, 1); |
||
230 |
} |
||
231 |
✗✓ | 21387 |
if (context->frame_size < 0) |
232 |
return context->frame_size; |
||
233 |
|||
234 |
✓✗✓✓ ✓✗✗✓ |
21387 |
need_copy = !avpkt->buf || context->is_1_2_4_8_bpp || context->is_yuv2 || context->is_lt_16bpp; |
235 |
|||
236 |
21387 |
frame->pict_type = AV_PICTURE_TYPE_I; |
|
237 |
21387 |
frame->key_frame = 1; |
|
238 |
|||
239 |
21387 |
res = ff_decode_frame_props(avctx, frame); |
|
240 |
✗✓ | 21387 |
if (res < 0) |
241 |
return res; |
||
242 |
|||
243 |
21387 |
frame->pkt_pos = avctx->internal->last_pkt_props->pos; |
|
244 |
21387 |
frame->pkt_duration = avctx->internal->last_pkt_props->duration; |
|
245 |
|||
246 |
✗✓ | 21387 |
if (context->tff >= 0) { |
247 |
frame->interlaced_frame = 1; |
||
248 |
frame->top_field_first = context->tff; |
||
249 |
} |
||
250 |
|||
251 |
✗✓ | 21387 |
if ((res = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0) |
252 |
return res; |
||
253 |
|||
254 |
✓✓ | 21387 |
if (need_copy) |
255 |
202 |
frame->buf[0] = av_buffer_alloc(FFMAX(context->frame_size, buf_size)); |
|
256 |
else |
||
257 |
21185 |
frame->buf[0] = av_buffer_ref(avpkt->buf); |
|
258 |
✗✓ | 21387 |
if (!frame->buf[0]) |
259 |
return AVERROR(ENOMEM); |
||
260 |
|||
261 |
// 1, 2, 4 and 8 bpp in avi/mov, 1 and 8 bpp in nut |
||
262 |
✓✓ | 21387 |
if (context->is_1_2_4_8_bpp) { |
263 |
202 |
int i, j, row_pix = 0; |
|
264 |
202 |
uint8_t *dst = frame->buf[0]->data; |
|
265 |
✓✓ | 202 |
buf_size = context->frame_size - (context->is_pal8 ? AVPALETTE_SIZE : 0); |
266 |
✓✗✓✗ ✓✓ |
204 |
if (avctx->bits_per_coded_sample == 8 || context->is_nut_pal8 || context->is_mono) { |
267 |
✓✗ | 2 |
int pix_per_byte = context->is_mono ? 8 : 1; |
268 |
✓✓✓✗ |
25346 |
for (i = 0, j = 0; j < buf_size && i<avpkt->size; i++, j++) { |
269 |
25344 |
dst[j] = buf[i]; |
|
270 |
25344 |
row_pix += pix_per_byte; |
|
271 |
✓✓ | 25344 |
if (row_pix >= avctx->width) { |
272 |
576 |
i += stride - (i % stride) - 1; |
|
273 |
576 |
j += 16 - (j % 16) - 1; |
|
274 |
576 |
row_pix = 0; |
|
275 |
} |
||
276 |
} |
||
277 |
✗✓ | 200 |
} else if (avctx->bits_per_coded_sample == 4) { |
278 |
for (i = 0, j = 0; 2 * j + 1 < buf_size && i<avpkt->size; i++, j++) { |
||
279 |
dst[2 * j + 0] = buf[i] >> 4; |
||
280 |
dst[2 * j + 1] = buf[i] & 15; |
||
281 |
row_pix += 2; |
||
282 |
if (row_pix >= avctx->width) { |
||
283 |
i += stride - (i % stride) - 1; |
||
284 |
j += 8 - (j % 8) - 1; |
||
285 |
row_pix = 0; |
||
286 |
} |
||
287 |
} |
||
288 |
✗✓ | 200 |
} else if (avctx->bits_per_coded_sample == 2) { |
289 |
for (i = 0, j = 0; 4 * j + 3 < buf_size && i<avpkt->size; i++, j++) { |
||
290 |
dst[4 * j + 0] = buf[i] >> 6; |
||
291 |
dst[4 * j + 1] = buf[i] >> 4 & 3; |
||
292 |
dst[4 * j + 2] = buf[i] >> 2 & 3; |
||
293 |
dst[4 * j + 3] = buf[i] & 3; |
||
294 |
row_pix += 4; |
||
295 |
if (row_pix >= avctx->width) { |
||
296 |
i += stride - (i % stride) - 1; |
||
297 |
j += 4 - (j % 4) - 1; |
||
298 |
row_pix = 0; |
||
299 |
} |
||
300 |
} |
||
301 |
} else { |
||
302 |
✗✓ | 200 |
av_assert0(avctx->bits_per_coded_sample == 1); |
303 |
✓✓✓✗ |
1909500 |
for (i = 0, j = 0; 8 * j + 7 < buf_size && i<avpkt->size; i++, j++) { |
304 |
1909300 |
dst[8 * j + 0] = buf[i] >> 7; |
|
305 |
1909300 |
dst[8 * j + 1] = buf[i] >> 6 & 1; |
|
306 |
1909300 |
dst[8 * j + 2] = buf[i] >> 5 & 1; |
|
307 |
1909300 |
dst[8 * j + 3] = buf[i] >> 4 & 1; |
|
308 |
1909300 |
dst[8 * j + 4] = buf[i] >> 3 & 1; |
|
309 |
1909300 |
dst[8 * j + 5] = buf[i] >> 2 & 1; |
|
310 |
1909300 |
dst[8 * j + 6] = buf[i] >> 1 & 1; |
|
311 |
1909300 |
dst[8 * j + 7] = buf[i] & 1; |
|
312 |
1909300 |
row_pix += 8; |
|
313 |
✓✓ | 1909300 |
if (row_pix >= avctx->width) { |
314 |
44900 |
i += stride - (i % stride) - 1; |
|
315 |
44900 |
j += 2 - (j % 2) - 1; |
|
316 |
44900 |
row_pix = 0; |
|
317 |
} |
||
318 |
} |
||
319 |
} |
||
320 |
202 |
linesize_align = 16; |
|
321 |
202 |
buf = dst; |
|
322 |
✗✓ | 21185 |
} else if (context->is_lt_16bpp) { |
323 |
uint8_t *dst = frame->buf[0]->data; |
||
324 |
int packed = (avctx->codec_tag & 0xFFFFFF) == MKTAG('B','I','T', 0); |
||
325 |
int swap = avctx->codec_tag >> 24; |
||
326 |
|||
327 |
if (packed && swap) { |
||
328 |
av_fast_padded_malloc(&context->bitstream_buf, &context->bitstream_buf_size, buf_size); |
||
329 |
if (!context->bitstream_buf) |
||
330 |
return AVERROR(ENOMEM); |
||
331 |
if (swap == 16) |
||
332 |
context->bbdsp.bswap16_buf(context->bitstream_buf, (const uint16_t*)buf, buf_size / 2); |
||
333 |
else if (swap == 32) |
||
334 |
context->bbdsp.bswap_buf(context->bitstream_buf, (const uint32_t*)buf, buf_size / 4); |
||
335 |
else |
||
336 |
return AVERROR_INVALIDDATA; |
||
337 |
buf = context->bitstream_buf; |
||
338 |
} |
||
339 |
|||
340 |
if (desc->flags & AV_PIX_FMT_FLAG_BE) |
||
341 |
scale16be(avctx, dst, buf, buf_size, packed); |
||
342 |
else |
||
343 |
scale16le(avctx, dst, buf, buf_size, packed); |
||
344 |
|||
345 |
buf = dst; |
||
346 |
✗✓ | 21185 |
} else if (need_copy) { |
347 |
memcpy(frame->buf[0]->data, buf, buf_size); |
||
348 |
buf = frame->buf[0]->data; |
||
349 |
} |
||
350 |
|||
351 |
✓✗ | 21387 |
if (avctx->codec_tag == MKTAG('A', 'V', '1', 'x') || |
352 |
✗✓ | 21387 |
avctx->codec_tag == MKTAG('A', 'V', 'u', 'p')) |
353 |
buf += buf_size - context->frame_size; |
||
354 |
|||
355 |
✓✓ | 21387 |
len = context->frame_size - (avctx->pix_fmt==AV_PIX_FMT_PAL8 ? AVPALETTE_SIZE : 0); |
356 |
✗✓✗✗ ✗✗ |
21387 |
if (buf_size < len && ((avctx->codec_tag & 0xFFFFFF) != MKTAG('B','I','T', 0) || !need_copy)) { |
357 |
av_log(avctx, AV_LOG_ERROR, "Invalid buffer size, packet size %d < expected frame_size %d\n", buf_size, len); |
||
358 |
av_buffer_unref(&frame->buf[0]); |
||
359 |
return AVERROR(EINVAL); |
||
360 |
} |
||
361 |
|||
362 |
✗✓ | 21387 |
if ((res = av_image_fill_arrays(frame->data, frame->linesize, |
363 |
buf, avctx->pix_fmt, |
||
364 |
avctx->width, avctx->height, 1)) < 0) { |
||
365 |
av_buffer_unref(&frame->buf[0]); |
||
366 |
return res; |
||
367 |
} |
||
368 |
|||
369 |
✓✓ | 21387 |
if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
370 |
int ret; |
||
371 |
|||
372 |
✗✓ | 200 |
if (!context->palette) |
373 |
context->palette = av_buffer_alloc(AVPALETTE_SIZE); |
||
374 |
✗✓ | 200 |
if (!context->palette) { |
375 |
av_buffer_unref(&frame->buf[0]); |
||
376 |
return AVERROR(ENOMEM); |
||
377 |
} |
||
378 |
200 |
ret = av_buffer_make_writable(&context->palette); |
|
379 |
✗✓ | 200 |
if (ret < 0) { |
380 |
av_buffer_unref(&frame->buf[0]); |
||
381 |
return ret; |
||
382 |
} |
||
383 |
|||
384 |
✓✓ | 200 |
if (ff_copy_palette(context->palette->data, avpkt, avctx)) { |
385 |
4 |
frame->palette_has_changed = 1; |
|
386 |
✗✓ | 196 |
} else if (context->is_nut_pal8) { |
387 |
int vid_size = avctx->width * avctx->height; |
||
388 |
int pal_size = avpkt->size - vid_size; |
||
389 |
|||
390 |
if (avpkt->size > vid_size && pal_size <= AVPALETTE_SIZE) { |
||
391 |
const uint8_t *pal = avpkt->data + vid_size; |
||
392 |
memcpy(context->palette->data, pal, pal_size); |
||
393 |
frame->palette_has_changed = 1; |
||
394 |
} |
||
395 |
} |
||
396 |
} |
||
397 |
|||
398 |
✓✓ | 21387 |
if ((avctx->pix_fmt==AV_PIX_FMT_RGB24 || |
399 |
✓✓ | 21101 |
avctx->pix_fmt==AV_PIX_FMT_BGR24 || |
400 |
✓✓ | 20699 |
avctx->pix_fmt==AV_PIX_FMT_GRAY8 || |
401 |
✓✓ | 20698 |
avctx->pix_fmt==AV_PIX_FMT_RGB555LE || |
402 |
✓✗ | 20297 |
avctx->pix_fmt==AV_PIX_FMT_RGB555BE || |
403 |
✓✓ | 20297 |
avctx->pix_fmt==AV_PIX_FMT_RGB565LE || |
404 |
✓✓ | 20096 |
avctx->pix_fmt==AV_PIX_FMT_MONOWHITE || |
405 |
✓✓ | 20095 |
avctx->pix_fmt==AV_PIX_FMT_MONOBLACK || |
406 |
✓✓ | 20094 |
avctx->pix_fmt==AV_PIX_FMT_PAL8) && |
407 |
✓✓ | 1493 |
FFALIGN(frame->linesize[0], linesize_align) * avctx->height <= buf_size) |
408 |
1443 |
frame->linesize[0] = FFALIGN(frame->linesize[0], linesize_align); |
|
409 |
|||
410 |
✗✓✗✗ |
21387 |
if (avctx->pix_fmt == AV_PIX_FMT_NV12 && avctx->codec_tag == MKTAG('N', 'V', '1', '2') && |
411 |
FFALIGN(frame->linesize[0], linesize_align) * avctx->height + |
||
412 |
FFALIGN(frame->linesize[1], linesize_align) * ((avctx->height + 1) / 2) <= buf_size) { |
||
413 |
int la0 = FFALIGN(frame->linesize[0], linesize_align); |
||
414 |
frame->data[1] += (la0 - frame->linesize[0]) * avctx->height; |
||
415 |
frame->linesize[0] = la0; |
||
416 |
frame->linesize[1] = FFALIGN(frame->linesize[1], linesize_align); |
||
417 |
} |
||
418 |
|||
419 |
✓✓✗✓ |
21387 |
if ((avctx->pix_fmt == AV_PIX_FMT_PAL8 && buf_size < context->frame_size) || |
420 |
✓✓ | 21187 |
(desc->flags & FF_PSEUDOPAL)) { |
421 |
201 |
frame->buf[1] = av_buffer_ref(context->palette); |
|
422 |
✗✓ | 201 |
if (!frame->buf[1]) { |
423 |
av_buffer_unref(&frame->buf[0]); |
||
424 |
return AVERROR(ENOMEM); |
||
425 |
} |
||
426 |
201 |
frame->data[1] = frame->buf[1]->data; |
|
427 |
} |
||
428 |
|||
429 |
✓✓ | 21387 |
if (avctx->pix_fmt == AV_PIX_FMT_BGR24 && |
430 |
✓✓ | 402 |
((frame->linesize[0] + 3) & ~3) * avctx->height <= buf_size) |
431 |
352 |
frame->linesize[0] = (frame->linesize[0] + 3) & ~3; |
|
432 |
|||
433 |
✗✓ | 21387 |
if (context->flip) |
434 |
flip(avctx, frame); |
||
435 |
|||
436 |
✓✗ | 21387 |
if (avctx->codec_tag == MKTAG('Y', 'V', '1', '2') || |
437 |
✓✗ | 21387 |
avctx->codec_tag == MKTAG('Y', 'V', '1', '6') || |
438 |
✓✗ | 21387 |
avctx->codec_tag == MKTAG('Y', 'V', '2', '4') || |
439 |
✗✓ | 21387 |
avctx->codec_tag == MKTAG('Y', 'V', 'U', '9')) |
440 |
FFSWAP(uint8_t *, frame->data[1], frame->data[2]); |
||
441 |
|||
442 |
✓✓✗✓ |
21387 |
if (avctx->codec_tag == AV_RL32("I420") && (avctx->width+1)*(avctx->height+1) * 3/2 == buf_size) { |
443 |
frame->data[1] = frame->data[1] + (avctx->width+1)*(avctx->height+1) -avctx->width*avctx->height; |
||
444 |
frame->data[2] = frame->data[2] + ((avctx->width+1)*(avctx->height+1) -avctx->width*avctx->height)*5/4; |
||
445 |
} |
||
446 |
|||
447 |
✗✓ | 21387 |
if (avctx->codec_tag == AV_RL32("yuv2") && |
448 |
avctx->pix_fmt == AV_PIX_FMT_YUYV422) { |
||
449 |
int x, y; |
||
450 |
uint8_t *line = frame->data[0]; |
||
451 |
for (y = 0; y < avctx->height; y++) { |
||
452 |
for (x = 0; x < avctx->width; x++) |
||
453 |
line[2 * x + 1] ^= 0x80; |
||
454 |
line += frame->linesize[0]; |
||
455 |
} |
||
456 |
} |
||
457 |
|||
458 |
✗✓ | 21387 |
if (avctx->codec_tag == AV_RL32("b64a") && |
459 |
avctx->pix_fmt == AV_PIX_FMT_RGBA64BE) { |
||
460 |
uint8_t *dst = frame->data[0]; |
||
461 |
uint64_t v; |
||
462 |
int x, y; |
||
463 |
for (y = 0; y < avctx->height; y++) { |
||
464 |
for (x = 0; x >> 3 < avctx->width; x += 8) { |
||
465 |
v = AV_RB64(&dst[x]); |
||
466 |
AV_WB64(&dst[x], v << 16 | v >> 48); |
||
467 |
} |
||
468 |
dst += frame->linesize[0]; |
||
469 |
} |
||
470 |
} |
||
471 |
|||
472 |
✗✓ | 21387 |
if (avctx->field_order > AV_FIELD_PROGRESSIVE) { /* we have interlaced material flagged in container */ |
473 |
frame->interlaced_frame = 1; |
||
474 |
if (avctx->field_order == AV_FIELD_TT || avctx->field_order == AV_FIELD_TB) |
||
475 |
frame->top_field_first = 1; |
||
476 |
} |
||
477 |
|||
478 |
21387 |
*got_frame = 1; |
|
479 |
21387 |
return buf_size; |
|
480 |
} |
||
481 |
|||
482 |
1112 |
static av_cold int raw_close_decoder(AVCodecContext *avctx) |
|
483 |
{ |
||
484 |
1112 |
RawVideoContext *context = avctx->priv_data; |
|
485 |
|||
486 |
1112 |
av_buffer_unref(&context->palette); |
|
487 |
1112 |
av_freep(&context->bitstream_buf); |
|
488 |
1112 |
return 0; |
|
489 |
} |
||
490 |
|||
491 |
AVCodec ff_rawvideo_decoder = { |
||
492 |
.name = "rawvideo", |
||
493 |
.long_name = NULL_IF_CONFIG_SMALL("raw video"), |
||
494 |
.type = AVMEDIA_TYPE_VIDEO, |
||
495 |
.id = AV_CODEC_ID_RAWVIDEO, |
||
496 |
.priv_data_size = sizeof(RawVideoContext), |
||
497 |
.init = raw_init_decoder, |
||
498 |
.close = raw_close_decoder, |
||
499 |
.decode = raw_decode, |
||
500 |
.priv_class = &rawdec_class, |
||
501 |
.capabilities = AV_CODEC_CAP_PARAM_CHANGE, |
||
502 |
}; |
Generated by: GCOVR (Version 4.2) |