FFmpeg coverage

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		✗	static int FUNC(frame_header)(CodedBitstreamContext *ctx, RWContext *rw,
20			JPEGRawFrameHeader *current)
21			{
22			int err, i;
23
24		✗	HEADER("Frame Header");
25
26		✗	u(16, Lf, 8, 8 + 3 * JPEG_MAX_COMPONENTS);
27
28		✗	u(8, P, 2, 16);
29		✗	u(16, Y, 0, JPEG_MAX_HEIGHT);
30		✗	u(16, X, 1, JPEG_MAX_WIDTH);
31		✗	u(8, Nf, 1, JPEG_MAX_COMPONENTS);
32
33		✗	for (i = 0; i < current->Nf; i++) {
34		✗	us(8, C[i], i, 0, JPEG_MAX_COMPONENTS);
35		✗	us(4, H[i], i, 1, 4);
36		✗	us(4, V[i], i, 1, 4);
37		✗	us(8, Tq[i], i, 0, 3);
38			}
39
40		✗	return 0;
41			}
42
43		✗	static int FUNC(quantisation_table)(CodedBitstreamContext *ctx, RWContext *rw,
44			JPEGRawQuantisationTable *current)
45			{
46			int err, i;
47
48		✗	u(4, Pq, 0, 1);
49		✗	u(4, Tq, 0, 3);
50
51		✗	if (current->Pq) {
52		✗	for (i = 0; i < 64; i++)
53		✗	us(16, Q[i], i, 1, 255);
54			} else {
55		✗	for (i = 0; i < 64; i++)
56		✗	us(8, Q[i], i, 1, 255);
57			}
58
59		✗	return 0;
60			}
61
62		✗	static int FUNC(dqt)(CodedBitstreamContext *ctx, RWContext *rw,
63			JPEGRawQuantisationTableSpecification *current)
64			{
65			int err, i, n;
66
67		✗	HEADER("Quantisation Tables");
68
69		✗	u(16, Lq, 2, 2 + 4 * 65);
70		✗	n = current->Lq / 65;
71
72		✗	for (i = 0; i < n; i++)
73		✗	CHECK(FUNC(quantisation_table)(ctx, rw, &current->table[i]));
74
75		✗	return 0;
76			}
77
78		✗	static int FUNC(huffman_table)(CodedBitstreamContext *ctx, RWContext *rw,
79			JPEGRawHuffmanTable *current)
80			{
81			int err, i, j, ij;
82
83		✗	u(4, Tc, 0, 1);
84		✗	u(4, Th, 0, 3);
85
86		✗	for (i = 0; i < 16; i++)
87		✗	us(8, L[i], i, 0, 255);
88
89		✗	ij = 0;
90		✗	for (i = 0; i < 16; i++) {
91		✗	for (j = 0; j < current->L[i]; j++) {
92		✗	if (ij >= FF_ARRAY_ELEMS(current->V))
93		✗	return AVERROR_INVALIDDATA;
94		✗	us(8, V[ij], ij, 0, 255);
95		✗	++ij;
96			}
97			}
98
99		✗	return 0;
100			}
101
102		✗	static int FUNC(dht)(CodedBitstreamContext *ctx, RWContext *rw,
103			JPEGRawHuffmanTableSpecification *current)
104			{
105			int err, i, j, n;
106
107		✗	HEADER("Huffman Tables");
108
109		✗	u(16, Lh, 2, 2 + 8 * (1 + 16 + 256));
110
111		✗	n = 2;
112		✗	for (i = 0; n < current->Lh; i++) {
113		✗	if (i >= 8)
114		✗	return AVERROR_INVALIDDATA;
115
116		✗	CHECK(FUNC(huffman_table)(ctx, rw, &current->table[i]));
117
118		✗	++n;
119		✗	for (j = 0; j < 16; j++)
120		✗	n += 1 + current->table[i].L[j];
121			}
122
123		✗	return 0;
124			}
125
126		✗	static int FUNC(scan_header)(CodedBitstreamContext *ctx, RWContext *rw,
127			JPEGRawScanHeader *current)
128			{
129			int err, j;
130
131		✗	HEADER("Scan");
132
133		✗	u(16, Ls, 6, 6 + 2 * JPEG_MAX_COMPONENTS);
134
135		✗	u(8, Ns, 1, 4);
136		✗	for (j = 0; j < current->Ns; j++) {
137		✗	us(8, Cs[j], j, 0, JPEG_MAX_COMPONENTS);
138		✗	us(4, Td[j], j, 0, 3);
139		✗	us(4, Ta[j], j, 0, 3);
140			}
141
142		✗	u(8, Ss, 0, 63);
143		✗	u(8, Se, 0, 63);
144		✗	u(4, Ah, 0, 13);
145		✗	u(4, Al, 0, 15);
146
147		✗	return 0;
148			}
149
150		✗	static int FUNC(application_data)(CodedBitstreamContext *ctx, RWContext *rw,
151			JPEGRawApplicationData *current)
152			{
153			int err, i;
154
155		✗	HEADER("Application Data");
156
157		✗	u(16, Lp, 2, 65535);
158
159		✗	if (current->Lp > 2) {
160			#ifdef READ
161		✗	current->Ap_ref = av_buffer_alloc(current->Lp - 2);
162		✗	if (!current->Ap_ref)
163		✗	return AVERROR(ENOMEM);
164		✗	current->Ap = current->Ap_ref->data;
165			#endif
166
167		✗	for (i = 0; i < current->Lp - 2; i++)
168		✗	us(8, Ap[i], i, 0, 255);
169			}
170
171		✗	return 0;
172			}
173
174		✗	static int FUNC(comment)(CodedBitstreamContext *ctx, RWContext *rw,
175			JPEGRawComment *current)
176			{
177			int err, i;
178
179		✗	HEADER("Comment");
180
181		✗	u(16, Lc, 2, 65535);
182
183		✗	if (current->Lc > 2) {
184			#ifdef READ
185		✗	current->Cm_ref = av_buffer_alloc(current->Lc - 2);
186		✗	if (!current->Cm_ref)
187		✗	return AVERROR(ENOMEM);
188		✗	current->Cm = current->Cm_ref->data;
189			#endif
190
191		✗	for (i = 0; i < current->Lc - 2; i++)
192		✗	us(8, Cm[i], i, 0, 255);
193			}
194
195		✗	return 0;
196			}
197