gcc/testsuite/gcc.dg/pr35065.c

   1 /* PR debug/35065 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -g -funroll-loops" } */
   4 typedef int vlc_bool_t;
   5 typedef __SIZE_TYPE__ size_t;
   6 typedef struct vlc_object_t vlc_object_t;
   7 typedef long long int64_t;
   8 #if(__SIZEOF_INT__ >= 4)
   9 typedef unsigned int uint32_t;
  10 #else
  11 typedef unsigned long uint32_t;
  12 #endif
  13 typedef unsigned char uint8_t;
  14 typedef int64_t mtime_t;
  15 typedef uint32_t vlc_fourcc_t;
  16 typedef struct module_t module_t;
  17 typedef struct es_format_t es_format_t;
  18 typedef struct decoder_t decoder_t;
  19 typedef struct decoder_sys_t decoder_sys_t;
  20 typedef struct block_t block_t;
  21 extern void* malloc (size_t);
  22 enum vlc_module_properties {
  23   VLC_MODULE_CB_OPEN, VLC_MODULE_CB_CLOSE, VLC_MODULE_NAME, };
  24 struct es_format_t {
  25   vlc_fourcc_t i_codec;
  26   int i_extra;
  27   void *p_extra;
  28 };
  29 struct block_t {
  30   block_t *p_next;
  31   uint32_t i_flags;
  32   mtime_t i_pts;
  33   mtime_t i_dts;
  34   size_t i_buffer;
  35   uint8_t *p_buffer;
  36 };
  37 block_t* block_New(void*, size_t);
  38 block_t *nal_get_annexeb(decoder_t *, uint8_t *, int);
  39 block_t *block_ChainGather (block_t *);
  40 static inline block_t *block_Duplicate( block_t *p_block ) {
  41   block_t *p_dup = block_New( ((void *)0), p_block->i_buffer );
  42   p_dup->i_dts = p_block->i_dts;
  43   p_dup->i_pts = p_block->i_pts;
  44 }
  45 static inline void block_ChainAppend( block_t **pp_list, block_t *p_block ) {
  46   if( *pp_list == ((void *)0) ) {
  47   }
  48   else {
  49     block_t *p = *pp_list;
  50     while( p->p_next ) p = p->p_next;
  51     p->p_next = p_block;
  52   }
  53 }
  54 struct decoder_t {
  55   decoder_sys_t * p_sys;
  56   es_format_t fmt_in;
  57 };
  58 typedef struct bs_s {
  59   uint8_t *p;
  60   uint8_t *p_end;
  61   int i_left;
  62 } bs_t;
  63 static inline uint32_t bs_read( bs_t *s, int i_count ) {
  64   static uint32_t i_mask[33] = {
  65     0x00, 0x1fffffff,0x3fffffff,0x7fffffff,0xffffffff};
  66   int i_shr;
  67   uint32_t i_result = 0;
  68   while( i_count > 0 ) {
  69     if( s->p >= s->p_end ) {
  70       break;
  71     }
  72     if( ( i_shr = s->i_left - i_count ) >= 0 ) {
  73       i_result |= ( *s->p >> i_shr )&i_mask[i_count];
  74       s->i_left -= i_count;
  75       {
  76         s->i_left = 8;
  77       }
  78       return( i_result );
  79     }
  80     {
  81       i_result |= (*s->p&i_mask[s->i_left]) << -i_shr;
  82       i_count -= s->i_left;
  83       s->p++;
  84     }
  85   }
  86 }
  87 static inline uint32_t bs_read1( bs_t *s ) {
  88   if( s->p < s->p_end ) {
  89     unsigned int i_result;
  90     s->i_left--;
  91     i_result = ( *s->p >> s->i_left )&0x01;
  92     if( s->i_left == 0 ) {
  93       s->p++;
  94     }
  95     return i_result;
  96   }
  97   return 0;
  98 }
  99 int Open ( vlc_object_t * );
 100 int vlc_module_set ( module_t *, enum vlc_module_properties, void *);
 101 void Close( vlc_object_t * );
 102 __attribute__((visibility("default"))) int vlc_entry__0_9_0f ( module_t *p_module ) {
 103   {
 104     module_t *p_submodule = p_module;
 105     if (vlc_module_set (p_submodule, VLC_MODULE_CB_OPEN, (void *)(Open)) || vlc_module_set (p_submodule, VLC_MODULE_CB_CLOSE, (void *)(Close))) goto error;
 106   }
 107  error:
 108   return -666;
 109 }
 110 typedef struct {
 111   int i_nal_type;
 112   int i_nal_ref_idc;
 113   int i_frame_type;
 114   int i_frame_num;
 115   int i_bottom_field_flag;
 116   int i_idr_pic_id;
 117   int i_delta_pic_order_cnt0;
 118 } slice_t;
 119 struct decoder_sys_t {
 120   vlc_bool_t b_slice;
 121   block_t *p_frame;
 122   vlc_bool_t b_sps;
 123   vlc_bool_t b_pps;
 124   vlc_bool_t b_header;
 125   block_t *p_sps;
 126   block_t *p_pps;
 127   int i_pic_order_cnt_type;
 128   slice_t slice;
 129 };
 130 enum { NAL_SLICE = 1, NAL_SLICE_IDR = 5, NAL_SPS = 7, NAL_AU_DELIMITER= 9 };
 131 static block_t *ParseNALBlock( decoder_t *, block_t * );
 132 int U16_AT ( uint8_t * );
 133 int Open( vlc_object_t *p_this ) {
 134   decoder_t *p_dec = (decoder_t*)p_this;
 135   decoder_sys_t *p_sys;
 136   if( p_dec->fmt_in.i_codec != ( ((uint32_t)'h') | ( ((uint32_t)'2') << 8 ) | ( ((uint32_t)'6') << 16 ) | ( ((uint32_t)'4') << 24 ) ) && ( p_dec->fmt_in.i_codec != ( ((uint32_t)'a') | ( ((uint32_t)'v') << 8 ) | ( ((uint32_t)'c') << 16 ) | ( ((uint32_t)'1') << 24 ) ) || p_dec->fmt_in.i_extra < 7 ) ) {
 137     return -666;
 138   }
 139   if( ( p_dec->p_sys = p_sys = malloc( sizeof(decoder_sys_t) ) ) == ((void *)0) ) {
 140     uint8_t *p = &((uint8_t*)p_dec->fmt_in.p_extra)[4];
 141     int i_sps, i_pps;
 142     int i;
 143     i_sps = (*p++)&0x1f;
 144     for( i = 0;
 145          i < i_sps;
 146          i++ ) {
 147       int i_length = U16_AT( p );
 148       block_t *p_sps = nal_get_annexeb( p_dec, p + 2, i_length );
 149       ParseNALBlock( p_dec, p_sps );
 150     }
 151   }
 152 }
 153 static inline int bs_read_ue( bs_t *s ) {
 154   int i = 0;
 155   while( bs_read1( s ) == 0 && s->p < s->p_end && i < 32 ) {
 156     i++;
 157   }
 158   return( ( 1 << i) - 1 + bs_read( s, i ) );
 159 }
 160 static inline int bs_read_se( bs_t *s ) {
 161   int val = bs_read_ue( s );
 162 }
 163 block_t *ParseNALBlock( decoder_t *p_dec, block_t *p_frag )
 164 {
 165   decoder_sys_t *p_sys = p_dec->p_sys;
 166   block_t *p_pic = ((void *)0);
 167   const int i_nal_type = p_frag->p_buffer[4]&0x1f;
 168   if( ( !p_sys->b_sps || !p_sys->b_pps ) && i_nal_type >= NAL_SLICE && i_nal_type <= NAL_SLICE_IDR ) {
 169   }
 170   else if( i_nal_type >= NAL_SLICE && i_nal_type <= NAL_SLICE_IDR ) {
 171     int i_dec = 0, i_first_mb, i_slice_type;
 172     slice_t slice;
 173     bs_t s;
 174     i_first_mb = bs_read_ue( &s );
 175     switch( (i_slice_type = bs_read_ue( &s )) ) {
 176     }
 177     if( p_sys->i_pic_order_cnt_type == 0 ) {
 178       slice.i_delta_pic_order_cnt0 = bs_read_se( &s );
 179     }
 180     if( slice.i_frame_num != p_sys->slice.i_frame_num
 181         || slice.i_nal_ref_idc != p_sys->slice.i_nal_ref_idc )
 182       if( (slice.i_bottom_field_flag != -1)
 183           && (slice.i_bottom_field_flag != p_sys->slice.i_bottom_field_flag) )
 184         if( p_sys->i_pic_order_cnt_type == 0 && ( slice.i_nal_type != p_sys->slice.i_nal_type || slice.i_idr_pic_id != p_sys->slice.i_idr_pic_id ) )
 185           do {
 186             if( !p_sys->b_header && p_sys->slice.i_frame_type != 0x0002)
 187               break;
 188             if( p_sys->slice.i_frame_type == 0x0002 && p_sys->p_sps && p_sys->p_pps ) {
 189               block_t *p_sps = block_Duplicate( p_sys->p_sps );
 190               block_t *p_pps = block_Duplicate( p_sys->p_pps );
 191               p_sps->i_pts = p_sys->p_frame->i_pts;
 192               block_ChainAppend( &p_sps, p_pps );
 193               block_ChainAppend( &p_sps, p_sys->p_frame );
 194               p_sys->b_header = 1;
 195               p_pic = block_ChainGather( p_sps );
 196             }
 197           } while(0);
 198   }
 199   else if( i_nal_type == NAL_SPS ) {
 200     bs_t s;
 201     if( p_sys->i_pic_order_cnt_type == 0 ) {
 202     }
 203     else if( p_sys->i_pic_order_cnt_type == 1 ) {
 204       int i_cycle;
 205       i_cycle = bs_read_ue( &s );
 206       while( i_cycle > 0 ) {
 207         bs_read_se(&s );
 208       }
 209     }
 210     bs_read_ue( &s );
 211     if( p_sys->b_slice )
 212       do {
 213         if( !p_sys->b_header && p_sys->slice.i_frame_type != 0x0002)
 214           break;
 215         if( p_sys->slice.i_frame_type == 0x0002
 216             && p_sys->p_sps && p_sys->p_pps )
 217           {
 218             block_t *p_sps = block_Duplicate( p_sys->p_sps );
 219             block_t *p_pps = block_Duplicate( p_sys->p_pps );
 220             p_sps->i_dts = p_sys->p_frame->i_dts;
 221             p_sps->i_pts = p_sys->p_frame->i_pts;
 222             block_ChainAppend( &p_sps, p_pps );
 223             block_ChainAppend( &p_sps, p_sys->p_frame );
 224             p_pic = block_ChainGather( p_sps );
 225           }
 226         p_pic->i_flags |= p_sys->slice.i_frame_type;
 227       } while(0);
 228   }
 229   block_ChainAppend( &p_sys->p_frame, p_frag );
 230 }