FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/ffv1_parse.c
Date: 2026-06-16 12:54:33
Exec Total Coverage
Lines: 155 307 50.5%
Functions: 4 4 100.0%
Branches: 119 326 36.5%
Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "libavutil/crc.h"
20 #include "libavutil/mem.h"
21 #include "libavutil/pixdesc.h"
22 #include "rangecoder.h"
23 #include "ffv1.h"
24
25 1540 static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale)
26 {
27 int v;
28 1540 int i = 0;
29 uint8_t state[CONTEXT_SIZE];
30
31 1540 memset(state, 128, sizeof(state));
32
33
2/2
✓ Branch 0 taken 6037 times.
✓ Branch 1 taken 1540 times.
 7577 for (v = 0; i < 128; v++) {
34 6037 unsigned len = ff_ffv1_get_symbol(c, state, 0) + 1U;
35
36
2/4
✓ Branch 0 taken 6037 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 6037 times.
 6037 if (len > 128 - i || !len)
37 ✗ return AVERROR_INVALIDDATA;
38
39
2/2
✓ Branch 0 taken 197120 times.
✓ Branch 1 taken 6037 times.
 203157 while (len--) {
40 197120 quant_table[i] = scale * v;
41 197120 i++;
42 }
43 }
44
45
2/2
✓ Branch 0 taken 195580 times.
✓ Branch 1 taken 1540 times.
 197120 for (i = 1; i < 128; i++)
46 195580 quant_table[256 - i] = -quant_table[i];
47 1540 quant_table[128] = -quant_table[127];
48
49 1540 return 2 * v - 1;
50 }
51
52 308 int ff_ffv1_read_quant_tables(RangeCoder *c,
53 int16_t quant_table[MAX_CONTEXT_INPUTS][256])
54 {
55 int i;
56 308 int context_count = 1;
57
58
2/2
✓ Branch 0 taken 1540 times.
✓ Branch 1 taken 308 times.
 1848 for (i = 0; i < 5; i++) {
59 1540 int ret = read_quant_table(c, quant_table[i], context_count);
60
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1540 times.
 1540 if (ret < 0)
61 ✗ return ret;
62 1540 context_count *= ret;
63
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1540 times.
 1540 if (context_count > 32768U) {
64 ✗ return AVERROR_INVALIDDATA;
65 }
66 }
67 308 return (context_count + 1) / 2;
68 }
69
70 142 int ff_ffv1_read_extra_header(FFV1Context *f)
71 {
72 RangeCoder c;
73 uint8_t state[CONTEXT_SIZE];
74 int ret;
75 uint8_t state2[32][CONTEXT_SIZE];
76 142 unsigned crc = 0;
77
78 142 memset(state2, 128, sizeof(state2));
79 142 memset(state, 128, sizeof(state));
80
81 142 ff_init_range_decoder(&c, f->avctx->extradata, f->avctx->extradata_size);
82 142 ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8);
83
84 142 f->version = ff_ffv1_get_symbol(&c, state, 0);
85
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 142 times.
 142 if (f->version < 2) {
86 ✗ av_log(f->avctx, AV_LOG_ERROR, "Invalid version in global header\n");
87 ✗ return AVERROR_INVALIDDATA;
88 }
89
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 142 times.
 142 if (f->version > 4) {
90 ✗ av_log(f->avctx, AV_LOG_ERROR, "unsupported version %d\n",
91 f->version);
92 ✗ return AVERROR_PATCHWELCOME;
93 }
94 142 f->combined_version = f->version << 16;
95
2/2
✓ Branch 0 taken 130 times.
✓ Branch 1 taken 12 times.
 142 if (f->version > 2) {
96 130 c.bytestream_end -= 4;
97 130 f->micro_version = ff_ffv1_get_symbol(&c, state, 0);
98
2/4
✓ Branch 0 taken 130 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 130 times.
 130 if (f->micro_version < 0 || f->micro_version > 65535)
99 ✗ return AVERROR_INVALIDDATA;
100 130 f->combined_version += f->micro_version;
101 }
102 142 f->ac = ff_ffv1_get_symbol(&c, state, 0);
103
104
2/2
✓ Branch 0 taken 65 times.
✓ Branch 1 taken 77 times.
 142 if (f->ac == AC_RANGE_CUSTOM_TAB) {
105
2/2
✓ Branch 0 taken 16575 times.
✓ Branch 1 taken 65 times.
 16640 for (int i = 1; i < 256; i++)
106 16575 f->state_transition[i] = ff_ffv1_get_symbol(&c, state, 1) + c.one_state[i];
107 } else {
108 RangeCoder rc;
109 77 ff_build_rac_states(&rc, 0.05 * (1LL << 32), 256 - 8);
110
2/2
✓ Branch 0 taken 19635 times.
✓ Branch 1 taken 77 times.
 19712 for (int i = 1; i < 256; i++)
111 19635 f->state_transition[i] = rc.one_state[i];
112 }
113
114 142 f->colorspace = ff_ffv1_get_symbol(&c, state, 0); //YUV cs type
115 142 f->avctx->bits_per_raw_sample = ff_ffv1_get_symbol(&c, state, 0);
116 142 f->chroma_planes = get_rac(&c, state);
117 142 f->chroma_h_shift = ff_ffv1_get_symbol(&c, state, 0);
118 142 f->chroma_v_shift = ff_ffv1_get_symbol(&c, state, 0);
119 142 f->transparency = get_rac(&c, state);
120 142 f->bayer = (f->colorspace == 2);
121
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 142 times.
 142 if (f->bayer) {
122 ✗ f->bayer_order = ff_ffv1_get_symbol(&c, state, 0);
123 ✗ if (f->bayer_order != 0) {
124 ✗ av_log(f->avctx, AV_LOG_ERROR, "Unsupported bayer order %d\n", f->bayer_order);
125 ✗ return AVERROR_PATCHWELCOME;
126 }
127 }
128
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 142 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 142 f->plane_count = 1 + (f->chroma_planes || f->version<4) + f->transparency + f->bayer;
129 142 f->num_h_slices = 1 + ff_ffv1_get_symbol(&c, state, 0);
130 142 f->num_v_slices = 1 + ff_ffv1_get_symbol(&c, state, 0);
131
132
2/4
✓ Branch 0 taken 142 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 142 times.
 142 if (f->chroma_h_shift > 4U || f->chroma_v_shift > 4U) {
133 ✗ av_log(f->avctx, AV_LOG_ERROR, "chroma shift parameters %d %d are invalid\n",
134 f->chroma_h_shift, f->chroma_v_shift);
135 ✗ return AVERROR_INVALIDDATA;
136 }
137
138
2/4
✓ Branch 0 taken 142 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 142 times.
✗ Branch 3 not taken.
 142 if (f->num_h_slices > (unsigned)f->width || !f->num_h_slices ||
139
2/4
✓ Branch 0 taken 142 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 142 times.
 142 f->num_v_slices > (unsigned)f->height || !f->num_v_slices
140 ) {
141 ✗ av_log(f->avctx, AV_LOG_ERROR, "slice count invalid\n");
142 ✗ return AVERROR_INVALIDDATA;
143 }
144
145
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 142 times.
 142 if (f->num_h_slices > MAX_SLICES / f->num_v_slices) {
146 ✗ av_log(f->avctx, AV_LOG_ERROR, "slice count unsupported\n");
147 ✗ return AVERROR_PATCHWELCOME;
148 }
149
150 142 f->quant_table_count = ff_ffv1_get_symbol(&c, state, 0);
151
2/4
✓ Branch 0 taken 142 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 142 times.
 142 if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES || !f->quant_table_count) {
152 ✗ av_log(f->avctx, AV_LOG_ERROR, "quant table count %d is invalid\n", f->quant_table_count);
153 ✗ f->quant_table_count = 0;
154 ✗ return AVERROR_INVALIDDATA;
155 }
156
157
2/2
✓ Branch 0 taken 284 times.
✓ Branch 1 taken 142 times.
 426 for (int i = 0; i < f->quant_table_count; i++) {
158 284 f->context_count[i] = ff_ffv1_read_quant_tables(&c, f->quant_tables[i]);
159
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 284 times.
 284 if (f->context_count[i] < 0) {
160 ✗ av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");
161 ✗ return AVERROR_INVALIDDATA;
162 }
163 }
164
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 142 times.
 142 if ((ret = ff_ffv1_allocate_initial_states(f)) < 0)
165 ✗ return ret;
166
167
2/2
✓ Branch 0 taken 284 times.
✓ Branch 1 taken 142 times.
 426 for (int i = 0; i < f->quant_table_count; i++)
168
2/2
✓ Branch 1 taken 24 times.
✓ Branch 2 taken 260 times.
 284 if (get_rac(&c, state)) {
169
2/2
✓ Branch 0 taken 151512 times.
✓ Branch 1 taken 24 times.
 151536 for (int j = 0; j < f->context_count[i]; j++)
170
2/2
✓ Branch 0 taken 4848384 times.
✓ Branch 1 taken 151512 times.
 4999896 for (int k = 0; k < CONTEXT_SIZE; k++) {
171
2/2
✓ Branch 0 taken 4847616 times.
✓ Branch 1 taken 768 times.
 4848384 int pred = j ? f->initial_states[i][j - 1][k] : 128;
172 4848384 f->initial_states[i][j][k] =
173 4848384 (pred + ff_ffv1_get_symbol(&c, state2[k], 1)) & 0xFF;
174 }
175 }
176
177
2/2
✓ Branch 0 taken 130 times.
✓ Branch 1 taken 12 times.
 142 if (f->version > 2) {
178 130 f->ec = ff_ffv1_get_symbol(&c, state, 0);
179
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 130 times.
 130 if (f->ec >= 2)
180 ✗ f->crcref = 0x7a8c4079;
181
1/2
✓ Branch 0 taken 130 times.
✗ Branch 1 not taken.
 130 if (f->combined_version >= 0x30003)
182 130 f->intra = ff_ffv1_get_symbol(&c, state, 0);
183
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 130 times.
 130 if (f->combined_version >= 0x40004)
184 ✗ f->flt = ff_ffv1_get_symbol(&c, state, 0);
185 }
186
187
2/2
✓ Branch 0 taken 130 times.
✓ Branch 1 taken 12 times.
 142 if (f->version > 2) {
188 unsigned v;
189 260 v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), f->crcref,
190 130 f->avctx->extradata, f->avctx->extradata_size);
191
2/4
✓ Branch 0 taken 130 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 130 times.
 130 if (v != f->crcref || f->avctx->extradata_size < 4) {
192 ✗ av_log(f->avctx, AV_LOG_ERROR, "CRC mismatch %X!\n", v);
193 ✗ return AVERROR_INVALIDDATA;
194 }
195 130 crc = AV_RB32(f->avctx->extradata + f->avctx->extradata_size - 4);
196 }
197
198
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 142 times.
 142 if (f->avctx->debug & FF_DEBUG_PICT_INFO)
199 ✗ av_log(f->avctx, AV_LOG_DEBUG,
200 "global: ver:%d.%d, coder:%d, colorspace: %d bpr:%d chroma:%d(%d:%d), alpha:%d slices:%dx%d qtabs:%d ec:%d intra:%d CRC:0x%08X\n",
201 f->version, f->micro_version,
202 f->ac,
203 f->colorspace,
204 ✗ f->avctx->bits_per_raw_sample,
205 f->chroma_planes, f->chroma_h_shift, f->chroma_v_shift,
206 f->transparency,
207 f->num_h_slices, f->num_v_slices,
208 f->quant_table_count,
209 f->ec,
210 f->intra,
211 crc
212 );
213 142 return 0;
214 }
215
216 478 int ff_ffv1_parse_header(FFV1Context *f, RangeCoder *c, uint8_t *state)
217 {
218
2/2
✓ Branch 0 taken 44 times.
✓ Branch 1 taken 434 times.
 478 if (f->version < 2) {
219 int chroma_planes, chroma_h_shift, chroma_v_shift, transparency, colorspace, bits_per_raw_sample;
220 44 unsigned v= ff_ffv1_get_symbol(c, state, 0);
221
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
 44 if (v >= 2) {
222 ✗ av_log(f->avctx, AV_LOG_ERROR, "invalid version %d in ver01 header\n", v);
223 ✗ return AVERROR_INVALIDDATA;
224 }
225 44 f->version = v;
226 44 f->ac = ff_ffv1_get_symbol(c, state, 0);
227
228
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
 44 if (f->ac == AC_RANGE_CUSTOM_TAB) {
229 ✗ for (int i = 1; i < 256; i++) {
230 ✗ int st = ff_ffv1_get_symbol(c, state, 1) + c->one_state[i];
231 ✗ if (st < 1 || st > 255) {
232 ✗ av_log(f->avctx, AV_LOG_ERROR, "invalid state transition %d\n", st);
233 ✗ return AVERROR_INVALIDDATA;
234 }
235 ✗ f->state_transition[i] = st;
236 }
237 } else {
238 RangeCoder rc;
239 44 ff_build_rac_states(&rc, 0.05 * (1LL << 32), 256 - 8);
240
2/2
✓ Branch 0 taken 11220 times.
✓ Branch 1 taken 44 times.
 11264 for (int i = 1; i < 256; i++)
241 11220 f->state_transition[i] = rc.one_state[i];
242 }
243
244 44 colorspace = ff_ffv1_get_symbol(c, state, 0); //YUV cs type
245
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
 44 bits_per_raw_sample = f->version > 0 ? ff_ffv1_get_symbol(c, state, 0) : f->avctx->bits_per_raw_sample;
246 44 chroma_planes = get_rac(c, state);
247 44 chroma_h_shift = ff_ffv1_get_symbol(c, state, 0);
248 44 chroma_v_shift = ff_ffv1_get_symbol(c, state, 0);
249 44 transparency = get_rac(c, state);
250
2/4
✓ Branch 0 taken 44 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 44 times.
 44 if (colorspace == 0 && f->avctx->skip_alpha)
251 ✗ transparency = 0;
252
253
2/2
✓ Branch 0 taken 32 times.
✓ Branch 1 taken 12 times.
 44 if (f->plane_count) {
254
1/2
✓ Branch 0 taken 32 times.
✗ Branch 1 not taken.
 32 if (colorspace != f->colorspace ||
255
1/2
✓ Branch 0 taken 32 times.
✗ Branch 1 not taken.
 32 bits_per_raw_sample != f->avctx->bits_per_raw_sample ||
256
1/2
✓ Branch 0 taken 32 times.
✗ Branch 1 not taken.
 32 chroma_planes != f->chroma_planes ||
257
1/2
✓ Branch 0 taken 32 times.
✗ Branch 1 not taken.
 32 chroma_h_shift != f->chroma_h_shift ||
258
1/2
✓ Branch 0 taken 32 times.
✗ Branch 1 not taken.
 32 chroma_v_shift != f->chroma_v_shift ||
259
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 32 times.
 32 transparency != f->transparency) {
260 ✗ av_log(f->avctx, AV_LOG_ERROR, "Invalid change of global parameters\n");
261 ✗ return AVERROR_INVALIDDATA;
262 }
263 }
264
265
2/4
✓ Branch 0 taken 44 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 44 times.
 44 if (chroma_h_shift > 4U || chroma_v_shift > 4U) {
266 ✗ av_log(f->avctx, AV_LOG_ERROR, "chroma shift parameters %d %d are invalid\n",
267 chroma_h_shift, chroma_v_shift);
268 ✗ return AVERROR_INVALIDDATA;
269 }
270
271 44 f->colorspace = colorspace;
272 44 f->avctx->bits_per_raw_sample = bits_per_raw_sample;
273 44 f->chroma_planes = chroma_planes;
274 44 f->chroma_h_shift = chroma_h_shift;
275 44 f->chroma_v_shift = chroma_v_shift;
276 44 f->transparency = transparency;
277
278 44 f->plane_count = 2 + f->transparency;
279 }
280
281
2/2
✓ Branch 0 taken 390 times.
✓ Branch 1 taken 88 times.
 478 if (f->colorspace == 0) {
282
2/4
✓ Branch 0 taken 390 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 390 times.
 390 if (!f->transparency && !f->chroma_planes) {
283 ✗ if (f->avctx->bits_per_raw_sample <= 8)
284 ✗ f->pix_fmt = AV_PIX_FMT_GRAY8;
285 ✗ else if (f->avctx->bits_per_raw_sample == 9) {
286 ✗ f->packed_at_lsb = 1;
287 ✗ f->pix_fmt = AV_PIX_FMT_GRAY9;
288 ✗ } else if (f->avctx->bits_per_raw_sample == 10) {
289 ✗ f->packed_at_lsb = 1;
290 ✗ f->pix_fmt = AV_PIX_FMT_GRAY10;
291 ✗ } else if (f->avctx->bits_per_raw_sample == 12) {
292 ✗ f->packed_at_lsb = 1;
293 ✗ f->pix_fmt = AV_PIX_FMT_GRAY12;
294 ✗ } else if (f->avctx->bits_per_raw_sample == 14) {
295 ✗ f->packed_at_lsb = 1;
296 ✗ f->pix_fmt = AV_PIX_FMT_GRAY14;
297 ✗ } else if (f->avctx->bits_per_raw_sample == 16) {
298 ✗ f->packed_at_lsb = 1;
299 ✗ if (f->flt) {
300 ✗ f->pix_fmt = AV_PIX_FMT_GRAYF16;
301 } else
302 ✗ f->pix_fmt = AV_PIX_FMT_GRAY16;
303 ✗ } else if (f->avctx->bits_per_raw_sample < 16) {
304 ✗ f->pix_fmt = AV_PIX_FMT_GRAY16;
305 } else
306 ✗ return AVERROR(ENOSYS);
307
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 390 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 390 } else if (f->transparency && !f->chroma_planes) {
308 ✗ if (f->avctx->bits_per_raw_sample <= 8 && !f->flt) {
309 ✗ f->pix_fmt = AV_PIX_FMT_YA8;
310 ✗ } else if (f->avctx->bits_per_raw_sample == 16 && f->flt) {
311 ✗ f->pix_fmt = AV_PIX_FMT_YAF16;
312 } else
313 ✗ return AVERROR(ENOSYS);
314
3/4
✓ Branch 0 taken 254 times.
✓ Branch 1 taken 136 times.
✓ Branch 2 taken 254 times.
✗ Branch 3 not taken.
 390 } else if (f->avctx->bits_per_raw_sample<=8 && !f->transparency) {
315
1/7
✗ Branch 0 not taken.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 254 times.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
 254 switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
316 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUV444P; break;
317 ✗ case 0x01: f->pix_fmt = AV_PIX_FMT_YUV440P; break;
318 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUV422P; break;
319 254 case 0x11: f->pix_fmt = AV_PIX_FMT_YUV420P; break;
320 ✗ case 0x20: f->pix_fmt = AV_PIX_FMT_YUV411P; break;
321 ✗ case 0x22: f->pix_fmt = AV_PIX_FMT_YUV410P; break;
322 }
323
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 136 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 136 } else if (f->avctx->bits_per_raw_sample <= 8 && f->transparency) {
324 ✗ switch(16*f->chroma_h_shift + f->chroma_v_shift) {
325 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUVA444P; break;
326 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUVA422P; break;
327 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUVA420P; break;
328 }
329
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 136 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 136 } else if (f->avctx->bits_per_raw_sample == 9 && !f->transparency) {
330 ✗ f->packed_at_lsb = 1;
331 ✗ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
332 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUV444P9; break;
333 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUV422P9; break;
334 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUV420P9; break;
335 }
336
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 136 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 136 } else if (f->avctx->bits_per_raw_sample == 9 && f->transparency) {
337 ✗ f->packed_at_lsb = 1;
338 ✗ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
339 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUVA444P9; break;
340 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUVA422P9; break;
341 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUVA420P9; break;
342 }
343
3/4
✓ Branch 0 taken 92 times.
✓ Branch 1 taken 44 times.
✓ Branch 2 taken 92 times.
✗ Branch 3 not taken.
 136 } else if (f->avctx->bits_per_raw_sample == 10 && !f->transparency) {
344 92 f->packed_at_lsb = 1;
345
1/5
✗ Branch 0 not taken.
✗ Branch 1 not taken.
✓ Branch 2 taken 92 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
 92 switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
346 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUV444P10; break;
347 ✗ case 0x01: f->pix_fmt = AV_PIX_FMT_YUV440P10; break;
348 92 case 0x10: f->pix_fmt = AV_PIX_FMT_YUV422P10; break;
349 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUV420P10; break;
350 }
351
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 } else if (f->avctx->bits_per_raw_sample == 10 && f->transparency) {
352 ✗ f->packed_at_lsb = 1;
353 ✗ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
354 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUVA444P10; break;
355 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUVA422P10; break;
356 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUVA420P10; break;
357 }
358
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 } else if (f->avctx->bits_per_raw_sample == 12 && !f->transparency) {
359 ✗ f->packed_at_lsb = 1;
360 ✗ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
361 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUV444P12; break;
362 ✗ case 0x01: f->pix_fmt = AV_PIX_FMT_YUV440P12; break;
363 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUV422P12; break;
364 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUV420P12; break;
365 }
366
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 } else if (f->avctx->bits_per_raw_sample == 12 && f->transparency) {
367 ✗ f->packed_at_lsb = 1;
368 ✗ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
369 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUVA444P12; break;
370 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUVA422P12; break;
371 }
372
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 } else if (f->avctx->bits_per_raw_sample == 14 && !f->transparency) {
373 ✗ f->packed_at_lsb = 1;
374 ✗ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
375 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUV444P14; break;
376 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUV422P14; break;
377 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUV420P14; break;
378 }
379
2/4
✓ Branch 0 taken 44 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 44 times.
✗ Branch 3 not taken.
 44 } else if (f->avctx->bits_per_raw_sample == 16 && !f->transparency){
380 44 f->packed_at_lsb = 1;
381
1/4
✓ Branch 0 taken 44 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
382 44 case 0x00: f->pix_fmt = AV_PIX_FMT_YUV444P16; break;
383 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUV422P16; break;
384 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUV420P16; break;
385 }
386 ✗ } else if (f->avctx->bits_per_raw_sample == 16 && f->transparency){
387 ✗ f->packed_at_lsb = 1;
388 ✗ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
389 ✗ case 0x00: f->pix_fmt = AV_PIX_FMT_YUVA444P16; break;
390 ✗ case 0x10: f->pix_fmt = AV_PIX_FMT_YUVA422P16; break;
391 ✗ case 0x11: f->pix_fmt = AV_PIX_FMT_YUVA420P16; break;
392 }
393 }
394
1/2
✓ Branch 0 taken 88 times.
✗ Branch 1 not taken.
 88 } else if (f->colorspace == 1) {
395
2/4
✓ Branch 0 taken 88 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 88 times.
 88 if (f->chroma_h_shift || f->chroma_v_shift) {
396 ✗ av_log(f->avctx, AV_LOG_ERROR,
397 "chroma subsampling not supported in this colorspace\n");
398 ✗ return AVERROR(ENOSYS);
399 }
400
3/4
✓ Branch 0 taken 44 times.
✓ Branch 1 taken 44 times.
✓ Branch 2 taken 44 times.
✗ Branch 3 not taken.
 88 if ( f->avctx->bits_per_raw_sample <= 8 && !f->transparency)
401 44 f->pix_fmt = AV_PIX_FMT_0RGB32;
402
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample <= 8 && f->transparency)
403 ✗ f->pix_fmt = AV_PIX_FMT_RGB32;
404
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 9 && !f->transparency)
405 ✗ f->pix_fmt = AV_PIX_FMT_GBRP9;
406
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 10 && !f->transparency)
407 ✗ f->pix_fmt = AV_PIX_FMT_GBRP10;
408
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 10 && f->transparency)
409 ✗ f->pix_fmt = AV_PIX_FMT_GBRAP10;
410
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 12 && !f->transparency)
411 ✗ f->pix_fmt = AV_PIX_FMT_GBRP12;
412
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 12 && f->transparency)
413 ✗ f->pix_fmt = AV_PIX_FMT_GBRAP12;
414
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 14 && !f->transparency)
415 ✗ f->pix_fmt = AV_PIX_FMT_GBRP14;
416
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 14 && f->transparency)
417 ✗ f->pix_fmt = AV_PIX_FMT_GBRAP14;
418
2/4
✓ Branch 0 taken 44 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 44 times.
✗ Branch 3 not taken.
 44 else if (f->avctx->bits_per_raw_sample == 16 && !f->transparency) {
419
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 44 times.
 44 if (f->flt) {
420 ✗ f->pix_fmt = AV_PIX_FMT_GBRPF16;
421 } else
422 44 f->pix_fmt = AV_PIX_FMT_GBRP16;
423 44 f->use32bit = 1;
424 ✗ } else if (f->avctx->bits_per_raw_sample == 16 && f->transparency) {
425 ✗ if (f->flt) {
426 ✗ f->pix_fmt = AV_PIX_FMT_GBRAPF16;
427 } else
428 ✗ f->pix_fmt = AV_PIX_FMT_GBRAP16;
429 ✗ f->use32bit = 1;
430 ✗ } else if (f->avctx->bits_per_raw_sample == 32 && !f->transparency) {
431 ✗ if (f->flt) {
432 ✗ f->pix_fmt = AV_PIX_FMT_GBRPF32;
433 }
434 ✗ f->use32bit = 1;
435 ✗ } else if (f->avctx->bits_per_raw_sample == 32 && f->transparency) {
436 ✗ if (f->flt) {
437 ✗ f->pix_fmt = AV_PIX_FMT_GBRAPF32;
438 }
439 ✗ f->use32bit = 1;
440 }
441 ✗ } else if (f->colorspace == 2) {
442 ✗ if (f->avctx->bits_per_raw_sample == 16) {
443 ✗ f->pix_fmt = AV_PIX_FMT_BAYER_RGGB16;
444 ✗ f->use32bit = 1;
445 }
446 } else {
447 ✗ av_log(f->avctx, AV_LOG_ERROR, "colorspace not supported\n");
448 ✗ return AVERROR(ENOSYS);
449 }
450
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 478 times.
 478 if (f->pix_fmt == AV_PIX_FMT_NONE) {
451 ✗ av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
452 ✗ return AVERROR(ENOSYS);
453 }
454
455 478 return 0;
456 }
457