/* PR debug/35065 */ /* { dg-do compile } */ /* { dg-options "-O2 -g -funroll-loops" } */ typedef int vlc_bool_t; typedef __SIZE_TYPE__ size_t; typedef struct vlc_object_t vlc_object_t; typedef long long int64_t; #if(__SIZEOF_INT__ >= 4) typedef unsigned int uint32_t; #else typedef unsigned long uint32_t; #endif typedef unsigned char uint8_t; typedef int64_t mtime_t; typedef uint32_t vlc_fourcc_t; typedef struct module_t module_t; typedef struct es_format_t es_format_t; typedef struct decoder_t decoder_t; typedef struct decoder_sys_t decoder_sys_t; typedef struct block_t block_t; extern void* malloc (size_t); enum vlc_module_properties { VLC_MODULE_CB_OPEN, VLC_MODULE_CB_CLOSE, VLC_MODULE_NAME, }; struct es_format_t { vlc_fourcc_t i_codec; int i_extra; void *p_extra; }; struct block_t { block_t *p_next; uint32_t i_flags; mtime_t i_pts; mtime_t i_dts; size_t i_buffer; uint8_t *p_buffer; }; block_t* block_New(void*, size_t); block_t *nal_get_annexeb(decoder_t *, uint8_t *, int); block_t *block_ChainGather (block_t *); static inline block_t *block_Duplicate( block_t *p_block ) { block_t *p_dup = block_New( ((void *)0), p_block->i_buffer ); p_dup->i_dts = p_block->i_dts; p_dup->i_pts = p_block->i_pts; } static inline void block_ChainAppend( block_t **pp_list, block_t *p_block ) { if( *pp_list == ((void *)0) ) { } else { block_t *p = *pp_list; while( p->p_next ) p = p->p_next; p->p_next = p_block; } } struct decoder_t { decoder_sys_t * p_sys; es_format_t fmt_in; }; typedef struct bs_s { uint8_t *p; uint8_t *p_end; int i_left; } bs_t; static inline uint32_t bs_read( bs_t *s, int i_count ) { static uint32_t i_mask[33] = { 0x00, 0x1fffffff,0x3fffffff,0x7fffffff,0xffffffff}; int i_shr; uint32_t i_result = 0; while( i_count > 0 ) { if( s->p >= s->p_end ) { break; } if( ( i_shr = s->i_left - i_count ) >= 0 ) { i_result |= ( *s->p >> i_shr )&i_mask[i_count]; s->i_left -= i_count; { s->i_left = 8; } return( i_result ); } { i_result |= (*s->p&i_mask[s->i_left]) << -i_shr; i_count -= s->i_left; s->p++; } } } static inline uint32_t bs_read1( bs_t *s ) { if( s->p < s->p_end ) { unsigned int i_result; s->i_left--; i_result = ( *s->p >> s->i_left )&0x01; if( s->i_left == 0 ) { s->p++; } return i_result; } return 0; } int Open ( vlc_object_t * ); void Close( vlc_object_t * ); __attribute__((visibility("default"))) int vlc_entry__0_9_0f ( module_t *p_module ) { { module_t *p_submodule = p_module; 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; } error: return -666; } typedef struct { int i_nal_type; int i_nal_ref_idc; int i_frame_type; int i_frame_num; int i_bottom_field_flag; int i_idr_pic_id; int i_delta_pic_order_cnt0; } slice_t; struct decoder_sys_t { vlc_bool_t b_slice; block_t *p_frame; vlc_bool_t b_sps; vlc_bool_t b_pps; vlc_bool_t b_header; block_t *p_sps; block_t *p_pps; int i_pic_order_cnt_type; slice_t slice; }; enum { NAL_SLICE = 1, NAL_SLICE_IDR = 5, NAL_SPS = 7, NAL_AU_DELIMITER= 9 }; static block_t *ParseNALBlock( decoder_t *, block_t * ); int Open( vlc_object_t *p_this ) { decoder_t *p_dec = (decoder_t*)p_this; decoder_sys_t *p_sys; 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 ) ) { return -666; } if( ( p_dec->p_sys = p_sys = malloc( sizeof(decoder_sys_t) ) ) == ((void *)0) ) { uint8_t *p = &((uint8_t*)p_dec->fmt_in.p_extra)[4]; int i_sps, i_pps; int i; i_sps = (*p++)&0x1f; for( i = 0; i < i_sps; i++ ) { int i_length = U16_AT( p ); block_t *p_sps = nal_get_annexeb( p_dec, p + 2, i_length ); ParseNALBlock( p_dec, p_sps ); } } } static inline int bs_read_ue( bs_t *s ) { int i = 0; while( bs_read1( s ) == 0 && s->p < s->p_end && i < 32 ) { i++; } return( ( 1 << i) - 1 + bs_read( s, i ) ); } static inline int bs_read_se( bs_t *s ) { int val = bs_read_ue( s ); } block_t *ParseNALBlock( decoder_t *p_dec, block_t *p_frag ) { decoder_sys_t *p_sys = p_dec->p_sys; block_t *p_pic = ((void *)0); const int i_nal_type = p_frag->p_buffer[4]&0x1f; if( ( !p_sys->b_sps || !p_sys->b_pps ) && i_nal_type >= NAL_SLICE && i_nal_type <= NAL_SLICE_IDR ) { } else if( i_nal_type >= NAL_SLICE && i_nal_type <= NAL_SLICE_IDR ) { int i_dec = 0, i_first_mb, i_slice_type; slice_t slice; bs_t s; i_first_mb = bs_read_ue( &s ); switch( (i_slice_type = bs_read_ue( &s )) ) { } if( p_sys->i_pic_order_cnt_type == 0 ) { slice.i_delta_pic_order_cnt0 = bs_read_se( &s ); } if( slice.i_frame_num != p_sys->slice.i_frame_num || slice.i_nal_ref_idc != p_sys->slice.i_nal_ref_idc ) if( (slice.i_bottom_field_flag != -1) && (slice.i_bottom_field_flag != p_sys->slice.i_bottom_field_flag) ) 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 ) ) do { if( !p_sys->b_header && p_sys->slice.i_frame_type != 0x0002) break; if( p_sys->slice.i_frame_type == 0x0002 && p_sys->p_sps && p_sys->p_pps ) { block_t *p_sps = block_Duplicate( p_sys->p_sps ); block_t *p_pps = block_Duplicate( p_sys->p_pps ); p_sps->i_pts = p_sys->p_frame->i_pts; block_ChainAppend( &p_sps, p_pps ); block_ChainAppend( &p_sps, p_sys->p_frame ); p_sys->b_header = 1; p_pic = block_ChainGather( p_sps ); } } while(0); } else if( i_nal_type == NAL_SPS ) { bs_t s; if( p_sys->i_pic_order_cnt_type == 0 ) { } else if( p_sys->i_pic_order_cnt_type == 1 ) { int i_cycle; i_cycle = bs_read_ue( &s ); while( i_cycle > 0 ) { bs_read_se(&s ); } } bs_read_ue( &s ); if( p_sys->b_slice ) do { if( !p_sys->b_header && p_sys->slice.i_frame_type != 0x0002) break; if( p_sys->slice.i_frame_type == 0x0002 && p_sys->p_sps && p_sys->p_pps ) { block_t *p_sps = block_Duplicate( p_sys->p_sps ); block_t *p_pps = block_Duplicate( p_sys->p_pps ); p_sps->i_dts = p_sys->p_frame->i_dts; p_sps->i_pts = p_sys->p_frame->i_pts; block_ChainAppend( &p_sps, p_pps ); block_ChainAppend( &p_sps, p_sys->p_frame ); p_pic = block_ChainGather( p_sps ); } p_pic->i_flags |= p_sys->slice.i_frame_type; } while(0); } block_ChainAppend( &p_sys->p_frame, p_frag ); }