1 /*******************************************************************************
2 * common.h: common definitions
4 *******************************************************************************
5 * Collection of usefull common types and macros definitions
6 *******************************************************************************
9 *******************************************************************************/
11 /*******************************************************************************
12 * Basic types definitions
13 *******************************************************************************/
15 /* Basic types definitions */
16 typedef signed char s8;
17 typedef signed short s16;
18 typedef signed int s32;
19 typedef signed long long s64;
20 typedef unsigned char u8;
21 typedef unsigned short u16;
22 typedef unsigned int u32;
23 typedef unsigned long long u64;
28 typedef int boolean_t;
30 /* Counter for statistics and profiling */
31 typedef unsigned long count_t;
33 /*******************************************************************************
35 *******************************************************************************/
40 struct intf_console_s;
43 typedef struct intf_thread_s * p_intf_thread_t;
44 typedef struct intf_sys_s * p_intf_sys_t;
45 typedef struct intf_console_s * p_intf_console_t;
46 typedef struct intf_msg_s * p_intf_msg_t;
49 struct input_thread_s;
53 typedef struct input_thread_s * p_input_thread_t;
54 typedef struct input_vlan_s * p_input_vlan_t;
55 typedef struct input_cfg_s * p_input_cfg_t;
60 typedef struct aout_thread_s * p_aout_thread_t;
68 struct video_parser_s;
70 typedef struct vout_thread_s * p_vout_thread_t;
71 typedef struct vout_font_s * p_vout_font_t;
72 typedef struct vout_sys_s * p_vout_sys_t;
73 typedef struct vdec_thread_s * p_vdec_thread_t;
74 typedef struct vpar_thread_s * p_vpar_thread_t;
75 typedef struct video_parser_s * p_video_parser_t;
77 /*******************************************************************************
78 * Macros and inline functions
79 *******************************************************************************/
81 /* CEIL: division with round to nearest greater integer */
82 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
84 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
85 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
87 /* MAX and MIN: self explanatory */
88 #define MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
89 #define MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
91 /* MSB (big endian)/LSB (little endian) convertions - network order is always
92 * MSB, and should be used for both network communications and files. Note that
93 * byte orders other than little and big endians are not supported, but only
94 * the VAX seems to have such exotic properties - note that these 'functions'
95 * needs <netinet/in.h> or the local equivalent. */
96 /* ?? hton64 should be declared as an extern inline function to avoid border
97 * effects (see byteorder.h) */
98 #if __BYTE_ORDER == __LITTLE_ENDIAN
101 #define hton64(i) ( ((u64)(htonl((i) & 0xffffffff)) << 32) | htonl(((i) >> 32) & 0xffffffff ) )
104 #define ntoh64 hton64
105 #elif __BYTE_ORDER == __BIG_ENDIAN
108 #define hton64(i) ( i )
111 #define ntoh64(i) ( i )
113 /* ?? cause a compilation error */
116 /* Macros used by input to access the TS buffer */
117 #define U32_AT(p) ( ntohl ( *( (u32 *)(p) ) ) )
118 #define U16_AT(p) ( ntohs ( *( (u16 *)(p) ) ) )