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 *);
block_Duplicate(block_t * p_block)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 }
block_ChainAppend(block_t ** pp_list,block_t * p_block)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;
bs_read(bs_t * s,int i_count)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 }
bs_read1(bs_t * s)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 * );
vlc_entry__0_9_0f(module_t * p_module)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 * );
Open(vlc_object_t * p_this)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 }
bs_read_ue(bs_t * s)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 }
bs_read_se(bs_t * s)160 static inline int bs_read_se( bs_t *s ) {
161 int val = bs_read_ue( s );
162 }
ParseNALBlock(decoder_t * p_dec,block_t * p_frag)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 }
231