1/*
2Copyright (c) 2012, Broadcom Europe Ltd
3All rights reserved.
4
5Redistribution and use in source and binary forms, with or without
6modification, are permitted provided that the following conditions are met:
7 * Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9 * Redistributions in binary form must reproduce the above copyright
10 notice, this list of conditions and the following disclaimer in the
11 documentation and/or other materials provided with the distribution.
12 * Neither the name of the copyright holder nor the
13 names of its contributors may be used to endorse or promote products
14 derived from this software without specific prior written permission.
15
16THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
20DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*/
27
28#include "mmal_util_params.h"
29
30/** Helper function to set the value of a boolean parameter */
31MMAL_STATUS_T mmal_port_parameter_set_boolean(MMAL_PORT_T *port, uint32_t id, MMAL_BOOL_T value)
32{
33 MMAL_PARAMETER_BOOLEAN_T param = {{id, sizeof(param)}, value};
34 return mmal_port_parameter_set(port, &param.hdr);
35}
36
37/** Helper function to get the value of a boolean parameter */
38MMAL_STATUS_T mmal_port_parameter_get_boolean(MMAL_PORT_T *port, uint32_t id, MMAL_BOOL_T *value)
39{
40 MMAL_PARAMETER_BOOLEAN_T param = {{id, sizeof(param)}, 0};
41 // coverity[overrun-buffer-val] Structure accessed correctly via size field
42 MMAL_STATUS_T status = mmal_port_parameter_get(port, &param.hdr);
43 if (status == MMAL_SUCCESS)
44 *value = param.enable;
45 return status;
46}
47
48/** Helper function to set the value of a 64 bits unsigned integer parameter */
49MMAL_STATUS_T mmal_port_parameter_set_uint64(MMAL_PORT_T *port, uint32_t id, uint64_t value)
50{
51 MMAL_PARAMETER_UINT64_T param = {{id, sizeof(param)}, value};
52 return mmal_port_parameter_set(port, &param.hdr);
53}
54
55/** Helper function to get the value of a 64 bits unsigned integer parameter */
56MMAL_STATUS_T mmal_port_parameter_get_uint64(MMAL_PORT_T *port, uint32_t id, uint64_t *value)
57{
58 MMAL_PARAMETER_UINT64_T param = {{id, sizeof(param)}, 0LL};
59 // coverity[overrun-buffer-val] Structure accessed correctly via size field
60 MMAL_STATUS_T status = mmal_port_parameter_get(port, &param.hdr);
61 if (status == MMAL_SUCCESS)
62 *value = param.value;
63 return status;
64}
65
66/** Helper function to set the value of a 64 bits signed integer parameter */
67MMAL_STATUS_T mmal_port_parameter_set_int64(MMAL_PORT_T *port, uint32_t id, int64_t value)
68{
69 MMAL_PARAMETER_INT64_T param = {{id, sizeof(param)}, value};
70 return mmal_port_parameter_set(port, &param.hdr);
71}
72
73/** Helper function to get the value of a 64 bits signed integer parameter */
74MMAL_STATUS_T mmal_port_parameter_get_int64(MMAL_PORT_T *port, uint32_t id, int64_t *value)
75{
76 MMAL_PARAMETER_INT64_T param = {{id, sizeof(param)}, 0LL};
77 // coverity[overrun-buffer-val] Structure accessed correctly via size field
78 MMAL_STATUS_T status = mmal_port_parameter_get(port, &param.hdr);
79 if (status == MMAL_SUCCESS)
80 *value = param.value;
81 return status;
82}
83
84/** Helper function to set the value of a 32 bits unsigned integer parameter */
85MMAL_STATUS_T mmal_port_parameter_set_uint32(MMAL_PORT_T *port, uint32_t id, uint32_t value)
86{
87 MMAL_PARAMETER_UINT32_T param = {{id, sizeof(param)}, value};
88 return mmal_port_parameter_set(port, &param.hdr);
89}
90
91/** Helper function to get the value of a 32 bits unsigned integer parameter */
92MMAL_STATUS_T mmal_port_parameter_get_uint32(MMAL_PORT_T *port, uint32_t id, uint32_t *value)
93{
94 MMAL_PARAMETER_UINT32_T param = {{id, sizeof(param)}, 0};
95 // coverity[overrun-buffer-val] Structure accessed correctly via size field
96 MMAL_STATUS_T status = mmal_port_parameter_get(port, &param.hdr);
97 if (status == MMAL_SUCCESS)
98 *value = param.value;
99 return status;
100}
101
102/** Helper function to set the value of a 32 bits signed integer parameter */
103MMAL_STATUS_T mmal_port_parameter_set_int32(MMAL_PORT_T *port, uint32_t id, int32_t value)
104{
105 MMAL_PARAMETER_INT32_T param = {{id, sizeof(param)}, value};
106 return mmal_port_parameter_set(port, &param.hdr);
107}
108
109/** Helper function to get the value of a 32 bits signed integer parameter */
110MMAL_STATUS_T mmal_port_parameter_get_int32(MMAL_PORT_T *port, uint32_t id, int32_t *value)
111{
112 MMAL_PARAMETER_INT32_T param = {{id, sizeof(param)}, 0};
113 // coverity[overrun-buffer-val] Structure accessed correctly via size field
114 MMAL_STATUS_T status = mmal_port_parameter_get(port, &param.hdr);
115 if (status == MMAL_SUCCESS)
116 *value = param.value;
117 return status;
118}
119
120/** Helper function to set the value of a rational parameter */
121MMAL_STATUS_T mmal_port_parameter_set_rational(MMAL_PORT_T *port, uint32_t id, MMAL_RATIONAL_T value)
122{
123 MMAL_PARAMETER_RATIONAL_T param = {{id, sizeof(param)}, {value.num, value.den}};
124 return mmal_port_parameter_set(port, &param.hdr);
125}
126
127/** Helper function to get the value of a rational parameter */
128MMAL_STATUS_T mmal_port_parameter_get_rational(MMAL_PORT_T *port, uint32_t id, MMAL_RATIONAL_T *value)
129{
130 MMAL_PARAMETER_RATIONAL_T param = {{id, sizeof(param)}, {0,0}};
131 // coverity[overrun-buffer-val] Structure accessed correctly via size field
132 MMAL_STATUS_T status = mmal_port_parameter_get(port, &param.hdr);
133 if (status == MMAL_SUCCESS)
134 *value = param.value;
135 return status;
136}
137
138/** Helper function to set the value of a string parameter */
139MMAL_STATUS_T mmal_port_parameter_set_string(MMAL_PORT_T *port, uint32_t id, const char *value)
140{
141 MMAL_PARAMETER_STRING_T *param = 0;
142 MMAL_STATUS_T status;
143 size_t param_size = sizeof(param->hdr) + strlen(value) + 1;
144
145 param = calloc(1, param_size);
146 if (!param)
147 return MMAL_ENOMEM;
148
149 param->hdr.id = id;
150 param->hdr.size = param_size;
151 memcpy(param->str, value, strlen(value)+1);
152 status = mmal_port_parameter_set(port, &param->hdr);
153 free(param);
154 return status;
155}
156
157/** Helper function to set a MMAL_PARAMETER_URI_T parameter on a port */
158MMAL_STATUS_T mmal_util_port_set_uri(MMAL_PORT_T *port, const char *uri)
159{
160 return mmal_port_parameter_set_string(port, MMAL_PARAMETER_URI, uri);
161}
162
163/** Helper function to set the value of an array of bytes parameter */
164MMAL_STATUS_T mmal_port_parameter_set_bytes(MMAL_PORT_T *port, uint32_t id,
165 const uint8_t *data, unsigned int size)
166{
167 MMAL_PARAMETER_BYTES_T *param = 0;
168 MMAL_STATUS_T status;
169 size_t param_size = sizeof(param->hdr) + size;
170
171 param = calloc(1, param_size);
172 if (!param)
173 return MMAL_ENOMEM;
174
175 param->hdr.id = id;
176 param->hdr.size = param_size;
177 memcpy(param->data, data, size);
178 status = mmal_port_parameter_set(port, &param->hdr);
179 free(param);
180 return status;
181}
182
183/** Set the display region.
184 * @param port port to configure
185 * @param region region
186 *
187 * @return MMAL_SUCCESS or error
188 */
189
190MMAL_STATUS_T mmal_util_set_display_region(MMAL_PORT_T *port,
191 MMAL_DISPLAYREGION_T *region)
192{
193 region->hdr.id = MMAL_PARAMETER_DISPLAYREGION;
194 region->hdr.size = sizeof(*region);
195 return mmal_port_parameter_set(port, &region->hdr);
196}
197
198MMAL_STATUS_T mmal_util_camera_use_stc_timestamp(MMAL_PORT_T *port, MMAL_CAMERA_STC_MODE_T mode)
199{
200 MMAL_PARAMETER_CAMERA_STC_MODE_T param =
201 {{MMAL_PARAMETER_USE_STC, sizeof(MMAL_PARAMETER_CAMERA_STC_MODE_T)},mode};
202 return mmal_port_parameter_set(port, &param.hdr);
203}
204
205MMAL_STATUS_T mmal_util_get_core_port_stats(MMAL_PORT_T *port,
206 MMAL_CORE_STATS_DIR dir,
207 MMAL_BOOL_T reset,
208 MMAL_CORE_STATISTICS_T *stats)
209{
210 MMAL_PARAMETER_CORE_STATISTICS_T param;
211 MMAL_STATUS_T ret;
212
213 memset(&param, 0, sizeof(param));
214 param.hdr.id = MMAL_PARAMETER_CORE_STATISTICS;
215 param.hdr.size = sizeof(param);
216 param.dir = dir;
217 param.reset = reset;
218 // coverity[overrun-buffer-val] Structure accessed correctly via size field
219 ret = mmal_port_parameter_get(port, &param.hdr);
220 if (ret == MMAL_SUCCESS)
221 *stats = param.stats;
222 return ret;
223}
224