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111
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1 /* { dg-options "-mlong-calls" { target mips*-*-* } } */
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2
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3 typedef unsigned char u8;
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4 typedef unsigned short u16;
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5 typedef unsigned int __kernel_size_t;
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6 typedef __kernel_size_t size_t;
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7 struct list_head {
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8 struct list_head *next;
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9 };
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10
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11 struct dmx_ts_feed {
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12 int is_filtering;
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13 };
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14 struct dmx_section_feed {
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15 u16 secbufp;
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16 u16 seclen;
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17 u16 tsfeedp;
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18 };
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19
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20 typedef int (*dmx_ts_cb) (
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21 const u8 * buffer1,
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22 size_t buffer1_length,
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23 const u8 * buffer2,
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24 size_t buffer2_length
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25 );
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26
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27 struct dvb_demux_feed {
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28 union {
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29 struct dmx_ts_feed ts;
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30 struct dmx_section_feed sec;
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31 } feed;
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32 union {
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33 dmx_ts_cb ts;
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34 } cb;
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35 int type;
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36 u16 pid;
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37 int ts_type;
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38 struct list_head list_head;
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39 };
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40
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41 struct dvb_demux {
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42 int (*stop_feed)(struct dvb_demux_feed *feed);
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43 struct list_head feed_list;
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44 };
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45
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46 int dvb_dmx_swfilter_section_packet (struct dvb_demux_feed *, const u8 *);
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47
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48 static
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49 inline
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50 __attribute__((always_inline))
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51 u8
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52 payload(const u8 *tsp)
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53 {
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54 if (tsp[3] & 0x20) {
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55 return 184 - 1 - tsp[4];
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56 }
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57 return 184;
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58 }
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59
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60 static
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61 inline
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62 __attribute__((always_inline))
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63 int
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64 dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed, const u8 *buf)
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65 {
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66 int count = payload(buf);
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67 int p;
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68 if (count == 0)
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69 return -1;
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70 return feed->cb.ts(&buf[p], count, ((void *)0), 0);
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71 }
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72
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73 static
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74 inline
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75 __attribute__((always_inline))
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76 void
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77 dvb_dmx_swfilter_packet_type(struct dvb_demux_feed *feed, const u8 *buf)
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78 {
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79 switch (feed->type) {
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80 case 0:
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81 if (feed->ts_type & 1) {
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82 dvb_dmx_swfilter_payload(feed, buf);
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83 }
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84 if (dvb_dmx_swfilter_section_packet(feed, buf) < 0)
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85 feed->feed.sec.seclen = feed->feed.sec.secbufp = 0;
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86 }
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87 }
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88
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89 static
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90 void
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91 dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
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92 {
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93 struct dvb_demux_feed *feed;
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94 int dvr_done = 0;
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95
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96 for (feed = ({ const typeof( ((typeof(*feed) *)0)->list_head ) *__mptr = ((&demux->feed_list)->next); (typeof(*feed) *)( (char *)__mptr - __builtin_offsetof(typeof(*feed),list_head) );}); __builtin_prefetch(feed->list_head.next), &feed->list_head != (&demux->feed_list); feed = ({ const typeof( ((typeof(*feed) *)0)->list_head ) *__mptr = (feed->list_head.next); (typeof(*feed) *)( (char *)__mptr - __builtin_offsetof(typeof(*feed),list_head) );})) {
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97 if (((((feed)->type == 0) && ((feed)->feed.ts.is_filtering) && (((feed)->ts_type & (1 | 8)) == 1))) && (dvr_done++))
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98 dvb_dmx_swfilter_packet_type(feed, buf);
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99 else if (feed->pid == 0x2000)
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100 feed->cb.ts(buf, 188, ((void *)0), 0);
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101 }
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102 }
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103 void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf, size_t count)
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104 {
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105 while (count--) {
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106 dvb_dmx_swfilter_packet(demux, buf);
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107 }
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108 }
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