FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/cbs_sei_syntax_template.c	Lines:	99	141	70.2 %
Date:	2021-04-20 15:25:36	Branches:	36	90	40.0 %


/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

static int FUNC(filler_payload)
    (CodedBitstreamContext *ctx, RWContext *rw,
     SEIRawFillerPayload *current, SEIMessageState *state)
{
    int err, i;

    HEADER("Filler Payload");

#ifdef READ
    current->payload_size = state->payload_size;
#endif

    for (i = 0; i < current->payload_size; i++)
        fixed(8, ff_byte, 0xff);

    return 0;
}

static int FUNC(user_data_registered)
    (CodedBitstreamContext *ctx, RWContext *rw,
     SEIRawUserDataRegistered *current, SEIMessageState *state)
{
    int err, i, j;

    HEADER("User Data Registered ITU-T T.35");

    u(8, itu_t_t35_country_code, 0x00, 0xff);
    if (current->itu_t_t35_country_code != 0xff)
        i = 1;
    else {
        u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
        i = 2;
    }

#ifdef READ
    if (state->payload_size < i) {
        av_log(ctx->log_ctx, AV_LOG_ERROR,
               "Invalid SEI user data registered payload.\n");
        return AVERROR_INVALIDDATA;
    }
    current->data_length = state->payload_size - i;
#endif

    allocate(current->data, current->data_length);
    for (j = 0; j < current->data_length; j++)
        xu(8, itu_t_t35_payload_byte[], current->data[j], 0x00, 0xff, 1, i + j);

    return 0;
}

static int FUNC(user_data_unregistered)
    (CodedBitstreamContext *ctx, RWContext *rw,
     SEIRawUserDataUnregistered *current, SEIMessageState *state)
{
    int err, i;

    HEADER("User Data Unregistered");

#ifdef READ
    if (state->payload_size < 16) {
        av_log(ctx->log_ctx, AV_LOG_ERROR,
               "Invalid SEI user data unregistered payload.\n");
        return AVERROR_INVALIDDATA;
    }
    current->data_length = state->payload_size - 16;
#endif

    for (i = 0; i < 16; i++)
        us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);

    allocate(current->data, current->data_length);

    for (i = 0; i < current->data_length; i++)
        xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);

    return 0;
}

static int FUNC(mastering_display_colour_volume)
    (CodedBitstreamContext *ctx, RWContext *rw,
     SEIRawMasteringDisplayColourVolume *current, SEIMessageState *state)
{
    int err, c;

    HEADER("Mastering Display Colour Volume");

    for (c = 0; c < 3; c++) {
        ubs(16, display_primaries_x[c], 1, c);
        ubs(16, display_primaries_y[c], 1, c);
    }

    ub(16, white_point_x);
    ub(16, white_point_y);

    ub(32, max_display_mastering_luminance);
    ub(32, min_display_mastering_luminance);

    return 0;
}

static int FUNC(content_light_level_info)
    (CodedBitstreamContext *ctx, RWContext *rw,
     SEIRawContentLightLevelInfo *current, SEIMessageState *state)
{
    int err;

    HEADER("Content Light Level Information");

    ub(16, max_content_light_level);
    ub(16, max_pic_average_light_level);

    return 0;
}

static int FUNC(alternative_transfer_characteristics)
    (CodedBitstreamContext *ctx, RWContext *rw,
     SEIRawAlternativeTransferCharacteristics *current,
     SEIMessageState *state)
{
    int err;

    HEADER("Alternative Transfer Characteristics");

    ub(8, preferred_transfer_characteristics);

    return 0;
}

static int FUNC(message)(CodedBitstreamContext *ctx, RWContext *rw,
                         SEIRawMessage *current)
{
    const SEIMessageTypeDescriptor *desc;
    int err, i;

    desc = ff_cbs_sei_find_type(ctx, current->payload_type);
    if (desc) {
        SEIMessageState state = {
            .payload_type      = current->payload_type,
            .payload_size      = current->payload_size,
            .extension_present = current->extension_bit_length > 0,
        };
        int start_position, current_position, bits_written;

#ifdef READ
        CHECK(ff_cbs_sei_alloc_message_payload(current, desc));
#endif

        start_position = bit_position(rw);

        CHECK(desc->READWRITE(ctx, rw, current->payload, &state));

        current_position = bit_position(rw);
        bits_written = current_position - start_position;

        if (byte_alignment(rw) || state.extension_present ||
            bits_written < 8 * current->payload_size) {
            size_t bits_left;

#ifdef READ
            GetBitContext tmp = *rw;
            int trailing_bits, trailing_zero_bits;

            bits_left = 8 * current->payload_size - bits_written;
            if (bits_left > 8)
                skip_bits_long(&tmp, bits_left - 8);
            trailing_bits = get_bits(&tmp, FFMIN(bits_left, 8));
            if (trailing_bits == 0) {
                // The trailing bits must contain a bit_equal_to_one, so
                // they can't all be zero.
                return AVERROR_INVALIDDATA;
            }
            trailing_zero_bits = ff_ctz(trailing_bits);
            current->extension_bit_length =
                bits_left - 1 - trailing_zero_bits;
#endif

            if (current->extension_bit_length > 0) {
                allocate(current->extension_data,
                         (current->extension_bit_length + 7) / 8);

                bits_left = current->extension_bit_length;
                for (i = 0; bits_left > 0; i++) {
                    int length = FFMIN(bits_left, 8);
                    xu(length, reserved_payload_extension_data,
                       current->extension_data[i],
                       0, MAX_UINT_BITS(length), 0);
                    bits_left -= length;
                }
            }

            fixed(1, bit_equal_to_one, 1);
            while (byte_alignment(rw))
                fixed(1, bit_equal_to_zero, 0);
        }

#ifdef WRITE
        current->payload_size = (put_bits_count(rw) - start_position) / 8;
#endif
    } else {
        uint8_t *data;

        allocate(current->payload, current->payload_size);
        data = current->payload;

        for (i = 0; i < current->payload_size; i++)
            xu(8, payload_byte[i], data[i], 0, 255, 1, i);
    }

    return 0;
}

static int FUNC(message_list)(CodedBitstreamContext *ctx, RWContext *rw,
                              SEIRawMessageList *current, int prefix)
{
    SEIRawMessage *message;
    int err, k;

#ifdef READ
    for (k = 0;; k++) {
        uint32_t payload_type = 0;
        uint32_t payload_size = 0;
        uint32_t tmp;
        GetBitContext payload_gbc;

        while (show_bits(rw, 8) == 0xff) {
            fixed(8, ff_byte, 0xff);
            payload_type += 255;
        }
        xu(8, last_payload_type_byte, tmp, 0, 254, 0);
        payload_type += tmp;

        while (show_bits(rw, 8) == 0xff) {
            fixed(8, ff_byte, 0xff);
            payload_size += 255;
        }
        xu(8, last_payload_size_byte, tmp, 0, 254, 0);
        payload_size += tmp;

        // There must be space remaining for both the payload and
        // the trailing bits on the SEI NAL unit.
        if (payload_size + 1 > get_bits_left(rw) / 8) {
            av_log(ctx->log_ctx, AV_LOG_ERROR,
                   "Invalid SEI message: payload_size too large "
                   "(%"PRIu32" bytes).\n", payload_size);
            return AVERROR_INVALIDDATA;
        }
        CHECK(init_get_bits(&payload_gbc, rw->buffer,
                            get_bits_count(rw) + 8 * payload_size));
        skip_bits_long(&payload_gbc, get_bits_count(rw));

        CHECK(ff_cbs_sei_list_add(current));
        message = &current->messages[k];

        message->payload_type = payload_type;
        message->payload_size = payload_size;

        CHECK(FUNC(message)(ctx, &payload_gbc, message));

        skip_bits_long(rw, 8 * payload_size);

        if (!cbs_h2645_read_more_rbsp_data(rw))
            break;
    }
#else
    for (k = 0; k < current->nb_messages; k++) {
        PutBitContext start_state;
        uint32_t tmp;
        int trace, i;

        message = &current->messages[k];

        // We write the payload twice in order to find the size.  Trace
        // output is switched off for the first write.
        trace = ctx->trace_enable;
        ctx->trace_enable = 0;

        start_state = *rw;
        for (i = 0; i < 2; i++) {
            *rw = start_state;

            tmp = message->payload_type;
            while (tmp >= 255) {
                fixed(8, ff_byte, 0xff);
                tmp -= 255;
            }
            xu(8, last_payload_type_byte, tmp, 0, 254, 0);

            tmp = message->payload_size;
            while (tmp >= 255) {
                fixed(8, ff_byte, 0xff);
                tmp -= 255;
            }
            xu(8, last_payload_size_byte, tmp, 0, 254, 0);

            err = FUNC(message)(ctx, rw, message);
            ctx->trace_enable = trace;
            if (err < 0)
                return err;
        }
    }
#endif

    return 0;
}


Generated by: GCOVR (Version 4.2)

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(filler_payload)
20			(CodedBitstreamContext ctx, RWContext rw,
21			SEIRawFillerPayload current, SEIMessageState state)
22			{
23			int err, i;
24
25			HEADER("Filler Payload");
26
27			#ifdef READ
28			current->payload_size = state->payload_size;
29			#endif
30
31			for (i = 0; i < current->payload_size; i++)
32			fixed(8, ff_byte, 0xff);
33
34			return 0;
35			}
36
37		150	static int FUNC(user_data_registered)
38			(CodedBitstreamContext ctx, RWContext rw,
39			SEIRawUserDataRegistered current, SEIMessageState state)
40			{
41			int err, i, j;
42
43		150	HEADER("User Data Registered ITU-T T.35");
44
45	✗✓	150	u(8, itu_t_t35_country_code, 0x00, 0xff);
46	✓✗	150	if (current->itu_t_t35_country_code != 0xff)
47		150	i = 1;
48			else {
49			u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
50			i = 2;
51			}
52
53			#ifdef READ
54	✗✓	50	if (state->payload_size < i) {
55			av_log(ctx->log_ctx, AV_LOG_ERROR,
56			"Invalid SEI user data registered payload.\n");
57			return AVERROR_INVALIDDATA;
58			}
59		50	current->data_length = state->payload_size - i;
60			#endif
61
62	✗✓✓	150	allocate(current->data, current->data_length);
63	✓✓	1608	for (j = 0; j < current->data_length; j++)
64	✗✓	1458	xu(8, itu_t_t35_payload_byte[], current->data[j], 0x00, 0xff, 1, i + j);
65
66		150	return 0;
67			}
68
69			static int FUNC(user_data_unregistered)
70			(CodedBitstreamContext ctx, RWContext rw,
71			SEIRawUserDataUnregistered current, SEIMessageState state)
72			{
73			int err, i;
74
75			HEADER("User Data Unregistered");
76
77			#ifdef READ
78			if (state->payload_size < 16) {
79			av_log(ctx->log_ctx, AV_LOG_ERROR,
80			"Invalid SEI user data unregistered payload.\n");
81			return AVERROR_INVALIDDATA;
82			}
83			current->data_length = state->payload_size - 16;
84			#endif
85
86			for (i = 0; i < 16; i++)
87			us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
88
89			allocate(current->data, current->data_length);
90
91			for (i = 0; i < current->data_length; i++)
92			xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
93
94			return 0;
95			}
96
97		6	static int FUNC(mastering_display_colour_volume)
98			(CodedBitstreamContext ctx, RWContext rw,
99			SEIRawMasteringDisplayColourVolume current, SEIMessageState state)
100			{
101			int err, c;
102
103		6	HEADER("Mastering Display Colour Volume");
104
105	✓✓	24	for (c = 0; c < 3; c++) {
106	✗✓	18	ubs(16, display_primaries_x[c], 1, c);
107	✗✓	18	ubs(16, display_primaries_y[c], 1, c);
108			}
109
110	✗✓	6	ub(16, white_point_x);
111	✗✓	6	ub(16, white_point_y);
112
113	✗✓	6	ub(32, max_display_mastering_luminance);
114	✗✓	6	ub(32, min_display_mastering_luminance);
115
116		6	return 0;
117			}
118
119			static int FUNC(content_light_level_info)
120			(CodedBitstreamContext ctx, RWContext rw,
121			SEIRawContentLightLevelInfo current, SEIMessageState state)
122			{
123			int err;
124
125			HEADER("Content Light Level Information");
126
127			ub(16, max_content_light_level);
128			ub(16, max_pic_average_light_level);
129
130			return 0;
131			}
132
133			static int FUNC(alternative_transfer_characteristics)
134			(CodedBitstreamContext ctx, RWContext rw,
135			SEIRawAlternativeTransferCharacteristics *current,
136			SEIMessageState *state)
137			{
138			int err;
139
140			HEADER("Alternative Transfer Characteristics");
141
142			ub(8, preferred_transfer_characteristics);
143
144			return 0;
145			}
146
147		11396	static int FUNC(message)(CodedBitstreamContext ctx, RWContext rw,
148			SEIRawMessage *current)
149			{
150			const SEIMessageTypeDescriptor *desc;
151			int err, i;
152
153		11396	desc = ff_cbs_sei_find_type(ctx, current->payload_type);
154	✓✓	11396	if (desc) {
155		11366	SEIMessageState state = {
156		11366	.payload_type = current->payload_type,
157		11366	.payload_size = current->payload_size,
158		11366	.extension_present = current->extension_bit_length > 0,
159			};
160			int start_position, current_position, bits_written;
161
162			#ifdef READ
163	✗✓	3790	CHECK(ff_cbs_sei_alloc_message_payload(current, desc));
164			#endif
165
166		11366	start_position = bit_position(rw);
167
168	✗✓	11366	CHECK(desc->READWRITE(ctx, rw, current->payload, &state));
169
170		11366	current_position = bit_position(rw);
171		11366	bits_written = current_position - start_position;
172
173	✓✓✓✗	11366	if (byte_alignment(rw) \|\| state.extension_present \|\|
174	✗✓	8460	bits_written < 8 * current->payload_size) {
175			size_t bits_left;
176
177			#ifdef READ
178		970	GetBitContext tmp = *rw;
179			int trailing_bits, trailing_zero_bits;
180
181		970	bits_left = 8 * current->payload_size - bits_written;
182	✗✓	970	if (bits_left > 8)
183			skip_bits_long(&tmp, bits_left - 8);
184		970	trailing_bits = get_bits(&tmp, FFMIN(bits_left, 8));
185	✗✓	970	if (trailing_bits == 0) {
186			// The trailing bits must contain a bit_equal_to_one, so
187			// they can't all be zero.
188			return AVERROR_INVALIDDATA;
189			}
190		970	trailing_zero_bits = ff_ctz(trailing_bits);
191		970	current->extension_bit_length =
192		970	bits_left - 1 - trailing_zero_bits;
193			#endif
194
195	✗✓	2906	if (current->extension_bit_length > 0) {
196			allocate(current->extension_data,
197			(current->extension_bit_length + 7) / 8);
198
199			bits_left = current->extension_bit_length;
200			for (i = 0; bits_left > 0; i++) {
201			int length = FFMIN(bits_left, 8);
202			xu(length, reserved_payload_extension_data,
203			current->extension_data[i],
204			0, MAX_UINT_BITS(length), 0);
205			bits_left -= length;
206			}
207			}
208
209	✗✓	2906	fixed(1, bit_equal_to_one, 1);
210	✓✓	8910	while (byte_alignment(rw))
211	✗✓	6004	fixed(1, bit_equal_to_zero, 0);
212			}
213
214			#ifdef WRITE
215		7576	current->payload_size = (put_bits_count(rw) - start_position) / 8;
216			#endif
217			} else {
218			uint8_t *data;
219
220	✗✓✓	30	allocate(current->payload, current->payload_size);
221		30	data = current->payload;
222
223	✓✓	10494	for (i = 0; i < current->payload_size; i++)
224	✗✓	10464	xu(8, payload_byte[i], data[i], 0, 255, 1, i);
225			}
226
227		11396	return 0;
228			}
229
230		3759	static int FUNC(message_list)(CodedBitstreamContext ctx, RWContext rw,
231			SEIRawMessageList *current, int prefix)
232			{
233			SEIRawMessage *message;
234			int err, k;
235
236			#ifdef READ
237		1900	for (k = 0;; k++) {
238		1900	uint32_t payload_type = 0;
239		1900	uint32_t payload_size = 0;
240			uint32_t tmp;
241			GetBitContext payload_gbc;
242
243		1920	while (show_bits(rw, 8) == 0xff) {
244		20	fixed(8, ff_byte, 0xff);
245		20	payload_type += 255;
246			}
247		1900	xu(8, last_payload_type_byte, tmp, 0, 254, 0);
248		1900	payload_type += tmp;
249
250		1905	while (show_bits(rw, 8) == 0xff) {
251		5	fixed(8, ff_byte, 0xff);
252		5	payload_size += 255;
253			}
254		1900	xu(8, last_payload_size_byte, tmp, 0, 254, 0);
255		1900	payload_size += tmp;
256
257			// There must be space remaining for both the payload and
258			// the trailing bits on the SEI NAL unit.
259		1900	if (payload_size + 1 > get_bits_left(rw) / 8) {
260			av_log(ctx->log_ctx, AV_LOG_ERROR,
261			"Invalid SEI message: payload_size too large "
262			"(%"PRIu32" bytes).\n", payload_size);
263			return AVERROR_INVALIDDATA;
264			}
265		1900	CHECK(init_get_bits(&payload_gbc, rw->buffer,
266			get_bits_count(rw) + 8 * payload_size));
267		1900	skip_bits_long(&payload_gbc, get_bits_count(rw));
268
269		1900	CHECK(ff_cbs_sei_list_add(current));
270		1900	message = &current->messages[k];
271
272		1900	message->payload_type = payload_type;
273		1900	message->payload_size = payload_size;
274
275		1900	CHECK(FUNC(message)(ctx, &payload_gbc, message));
276
277		1900	skip_bits_long(rw, 8 * payload_size);
278
279		1900	if (!cbs_h2645_read_more_rbsp_data(rw))
280		1880	break;
281			}
282			#else
283		3778	for (k = 0; k < current->nb_messages; k++) {
284			PutBitContext start_state;
285			uint32_t tmp;
286			int trace, i;
287
288		1899	message = &current->messages[k];
289
290			// We write the payload twice in order to find the size. Trace
291			// output is switched off for the first write.
292		1899	trace = ctx->trace_enable;
293		1899	ctx->trace_enable = 0;
294
295		1899	start_state = *rw;
296		5697	for (i = 0; i < 2; i++) {
297		3798	*rw = start_state;
298
299		3798	tmp = message->payload_type;
300		3838	while (tmp >= 255) {
301		40	fixed(8, ff_byte, 0xff);
302		40	tmp -= 255;
303			}
304		3798	xu(8, last_payload_type_byte, tmp, 0, 254, 0);
305
306		3798	tmp = message->payload_size;
307		3808	while (tmp >= 255) {
308		10	fixed(8, ff_byte, 0xff);
309		10	tmp -= 255;
310			}
311		3798	xu(8, last_payload_size_byte, tmp, 0, 254, 0);
312
313		3798	err = FUNC(message)(ctx, rw, message);
314		3798	ctx->trace_enable = trace;
315		3798	if (err < 0)
316			return err;
317			}
318			}
319			#endif
320
321		3759	return 0;
322			}