| |
| /*! |
| ************************************************************************ |
| * \file output.c |
| * |
| * \brief |
| * Output an image and Trance support |
| * |
| * \author |
| * Main contributors (see contributors.h for copyright, address and affiliation details) |
| * - Karsten Suehring <suehring@hhi.de> |
| ************************************************************************ |
| */ |
| |
| #include "contributors.h" |
| |
| #include <stdlib.h> |
| #include <assert.h> |
| #include <string.h> |
| |
| #ifdef WIN32 |
| #include <io.h> |
| #else |
| #include <unistd.h> |
| #endif |
| |
| #include "global.h" |
| #include "mbuffer.h" |
| #include "image.h" |
| #include "memalloc.h" |
| |
| FrameStore* out_buffer; |
| |
| StorablePicture *pending_output = NULL; |
| int pending_output_state = FRAME; |
| int recovery_flag = 0; |
| |
| extern int non_conforming_stream; |
| |
| void write_out_picture(StorablePicture *p, int p_out); |
| |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * checks if the System is big- or little-endian |
| * \return |
| * 0, little-endian (e.g. Intel architectures) |
| * 1, big-endian (e.g. SPARC, MIPS, PowerPC) |
| ************************************************************************ |
| */ |
| int testEndian() |
| { |
| short s; |
| byte *p; |
| |
| p=(byte*)&s; |
| |
| s=1; |
| |
| return (*p==0); |
| } |
| |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Convert image plane to temporary buffer for file writing |
| * \param imgX |
| * Pointer to image plane |
| * \param buf |
| * Buffer for file output |
| * \param size_x |
| * horizontal size |
| * \param size_y |
| * vertical size |
| * \param symbol_size_in_bytes |
| * number of bytes used per pel |
| * \param crop_left |
| * pixels to crop from left |
| * \param crop_right |
| * pixels to crop from right |
| * \param crop_top |
| * pixels to crop from top |
| * \param crop_bottom |
| * pixels to crop from bottom |
| ************************************************************************ |
| */ |
| void img2buf (imgpel** imgX, unsigned char* buf, int size_x, int size_y, int symbol_size_in_bytes, int crop_left, int crop_right, int crop_top, int crop_bottom) |
| { |
| int i,j; |
| |
| int twidth = size_x - crop_left - crop_right; |
| int theight = size_y - crop_top - crop_bottom; |
| |
| int size = 0; |
| |
| unsigned char ui8; |
| unsigned short tmp16, ui16; |
| unsigned long tmp32, ui32; |
| |
| if (( sizeof(char) == sizeof (imgpel)) && ( sizeof(char) == symbol_size_in_bytes)) |
| { |
| // imgpel == pixel_in_file == 1 byte -> simple copy |
| for(i=0;i<theight;i++) |
| memcpy(buf+crop_left+(i*twidth),&(imgX[i+crop_top][crop_left]), twidth); |
| |
| } |
| else |
| { |
| // sizeof (imgpel) > sizeof(char) |
| if (testEndian()) |
| { |
| // big endian |
| switch (symbol_size_in_bytes) |
| { |
| case 1: |
| { |
| for(i=crop_top;i<size_y-crop_bottom;i++) |
| for(j=crop_left;j<size_x-crop_right;j++) |
| { |
| ui8 = (unsigned char) (imgX[i][j]); |
| buf[(j-crop_left+((i-crop_top)*(twidth)))] = ui8; |
| } |
| break; |
| } |
| case 2: |
| { |
| for(i=crop_top;i<size_y-crop_bottom;i++) |
| for(j=crop_left;j<size_x-crop_right;j++) |
| { |
| tmp16 = (unsigned short) (imgX[i][j]); |
| ui16 = (tmp16 >> 8) | ((tmp16&0xFF)<<8); |
| memcpy(buf+((j-crop_left+((i-crop_top)*(twidth)))*2),&(ui16), 2); |
| } |
| break; |
| } |
| case 4: |
| { |
| for(i=crop_top;i<size_y-crop_bottom;i++) |
| for(j=crop_left;j<size_x-crop_right;j++) |
| { |
| tmp32 = (unsigned long) (imgX[i][j]); |
| ui32 = ((tmp32&0xFF00)<<8) | ((tmp32&0xFF)<<24) | ((tmp32&0xFF0000)>>8) | ((tmp32&0xFF000000)>>24); |
| memcpy(buf+((j-crop_left+((i-crop_top)*(twidth)))*4),&(ui32), 4); |
| } |
| break; |
| } |
| default: |
| { |
| error ("writing only to formats of 8, 16 or 32 bit allowed on big endian architecture", 500); |
| break; |
| } |
| } |
| |
| } |
| else |
| { |
| // little endian |
| if (sizeof (imgpel) < symbol_size_in_bytes) |
| { |
| // this should not happen. we should not have smaller imgpel than our source material. |
| size = sizeof (imgpel); |
| // clear buffer |
| memset (buf, 0, (twidth*theight*symbol_size_in_bytes)); |
| } |
| else |
| { |
| size = symbol_size_in_bytes; |
| } |
| |
| if ((crop_top || crop_bottom || crop_left || crop_right) || (size != 1)) |
| { |
| for(i=crop_top;i<size_y-crop_bottom;i++) |
| { |
| int ipos = (i-crop_top)*(twidth); |
| for(j=crop_left;j<size_x-crop_right;j++) |
| { |
| memcpy(buf+((j-crop_left+(ipos))*symbol_size_in_bytes),&(imgX[i][j]), size); |
| } |
| } |
| } |
| else |
| { |
| for(i=0;i<size_y;i++) |
| { |
| for(j=0;j<size_x;j++) |
| { |
| *(buf++)=(char) imgX[i][j]; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| |
| #ifdef PAIR_FIELDS_IN_OUTPUT |
| |
| void clear_picture(StorablePicture *p); |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * output the pending frame buffer |
| * \param p_out |
| * Output file |
| ************************************************************************ |
| */ |
| void flush_pending_output(int p_out) |
| { |
| if (pending_output_state!=FRAME) |
| { |
| write_out_picture(pending_output, p_out); |
| } |
| |
| if (pending_output->imgY) |
| { |
| free_mem2Dpel (pending_output->imgY); |
| pending_output->imgY=NULL; |
| } |
| if (pending_output->imgUV) |
| { |
| free_mem3Dpel (pending_output->imgUV, 2); |
| pending_output->imgUV=NULL; |
| } |
| |
| pending_output_state = FRAME; |
| } |
| |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Writes out a storable picture |
| * If the picture is a field, the output buffers the picture and tries |
| * to pair it with the next field. |
| * \param p |
| * Picture to be written |
| * \param p_out |
| * Output file |
| ************************************************************************ |
| */ |
| void write_picture(StorablePicture *p, int p_out, int real_structure) |
| { |
| int i, add; |
| |
| if (real_structure==FRAME) |
| { |
| flush_pending_output(p_out); |
| write_out_picture(p, p_out); |
| return; |
| } |
| if (real_structure==pending_output_state) |
| { |
| flush_pending_output(p_out); |
| write_picture(p, p_out, real_structure); |
| return; |
| } |
| |
| if (pending_output_state == FRAME) |
| { |
| pending_output->size_x = p->size_x; |
| pending_output->size_y = p->size_y; |
| pending_output->size_x_cr = p->size_x_cr; |
| pending_output->size_y_cr = p->size_y_cr; |
| pending_output->chroma_format_idc = p->chroma_format_idc; |
| |
| pending_output->frame_mbs_only_flag = p->frame_mbs_only_flag; |
| pending_output->frame_cropping_flag = p->frame_cropping_flag; |
| if (pending_output->frame_cropping_flag) |
| { |
| pending_output->frame_cropping_rect_left_offset = p->frame_cropping_rect_left_offset; |
| pending_output->frame_cropping_rect_right_offset = p->frame_cropping_rect_right_offset; |
| pending_output->frame_cropping_rect_top_offset = p->frame_cropping_rect_top_offset; |
| pending_output->frame_cropping_rect_bottom_offset = p->frame_cropping_rect_bottom_offset; |
| } |
| |
| get_mem2Dpel (&(pending_output->imgY), pending_output->size_y, pending_output->size_x); |
| get_mem3Dpel (&(pending_output->imgUV), 2, pending_output->size_y_cr, pending_output->size_x_cr); |
| |
| clear_picture(pending_output); |
| |
| // copy first field |
| if (real_structure == TOP_FIELD) |
| { |
| add = 0; |
| } |
| else |
| { |
| add = 1; |
| } |
| |
| for (i=0; i<pending_output->size_y; i+=2) |
| { |
| memcpy(pending_output->imgY[(i+add)], p->imgY[(i+add)], p->size_x * sizeof(imgpel)); |
| } |
| for (i=0; i<pending_output->size_y_cr; i+=2) |
| { |
| memcpy(pending_output->imgUV[0][(i+add)], p->imgUV[0][(i+add)], p->size_x_cr * sizeof(imgpel)); |
| memcpy(pending_output->imgUV[1][(i+add)], p->imgUV[1][(i+add)], p->size_x_cr * sizeof(imgpel)); |
| } |
| pending_output_state = real_structure; |
| } |
| else |
| { |
| if ( (pending_output->size_x!=p->size_x) || (pending_output->size_y!= p->size_y) |
| || (pending_output->frame_mbs_only_flag != p->frame_mbs_only_flag) |
| || (pending_output->frame_cropping_flag != p->frame_cropping_flag) |
| || ( pending_output->frame_cropping_flag && |
| ( (pending_output->frame_cropping_rect_left_offset != p->frame_cropping_rect_left_offset) |
| ||(pending_output->frame_cropping_rect_right_offset != p->frame_cropping_rect_right_offset) |
| ||(pending_output->frame_cropping_rect_top_offset != p->frame_cropping_rect_top_offset) |
| ||(pending_output->frame_cropping_rect_bottom_offset != p->frame_cropping_rect_bottom_offset) |
| ) |
| ) |
| ) |
| { |
| flush_pending_output(p_out); |
| write_picture (p, p_out, real_structure); |
| return; |
| } |
| // copy second field |
| if (real_structure == TOP_FIELD) |
| { |
| add = 0; |
| } |
| else |
| { |
| add = 1; |
| } |
| |
| for (i=0; i<pending_output->size_y; i+=2) |
| { |
| memcpy(pending_output->imgY[(i+add)], p->imgY[(i+add)], p->size_x * sizeof(imgpel)); |
| } |
| for (i=0; i<pending_output->size_y_cr; i+=2) |
| { |
| memcpy(pending_output->imgUV[0][(i+add)], p->imgUV[0][(i+add)], p->size_x_cr * sizeof(imgpel)); |
| memcpy(pending_output->imgUV[1][(i+add)], p->imgUV[1][(i+add)], p->size_x_cr * sizeof(imgpel)); |
| } |
| |
| flush_pending_output(p_out); |
| } |
| } |
| |
| #else |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Writes out a storable picture without doing any output modifications |
| * \param p |
| * Picture to be written |
| * \param p_out |
| * Output file |
| * \param real_structure |
| * real picture structure |
| ************************************************************************ |
| */ |
| void write_picture(StorablePicture *p, int p_out, int real_structure) |
| { |
| write_out_picture(p, p_out); |
| } |
| |
| |
| #endif |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Writes out a storable picture |
| * \param p |
| * Picture to be written |
| * \param p_out |
| * Output file |
| ************************************************************************ |
| */ |
| void write_out_picture(StorablePicture *p, int p_out) |
| { |
| int SubWidthC [4]= { 1, 2, 2, 1}; |
| int SubHeightC [4]= { 1, 2, 1, 1}; |
| |
| int crop_left, crop_right, crop_top, crop_bottom; |
| int symbol_size_in_bytes = img->pic_unit_bitsize_on_disk/8; |
| Boolean rgb_output = (Boolean) (active_sps->vui_seq_parameters.matrix_coefficients==0); |
| unsigned char *buf; |
| |
| if (p->non_existing) |
| return; |
| |
| if (p->frame_cropping_flag) |
| { |
| crop_left = SubWidthC[p->chroma_format_idc] * p->frame_cropping_rect_left_offset; |
| crop_right = SubWidthC[p->chroma_format_idc] * p->frame_cropping_rect_right_offset; |
| crop_top = SubHeightC[p->chroma_format_idc]*( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_top_offset; |
| crop_bottom = SubHeightC[p->chroma_format_idc]*( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_bottom_offset; |
| } |
| else |
| { |
| crop_left = crop_right = crop_top = crop_bottom = 0; |
| } |
| |
| //printf ("write frame size: %dx%d\n", p->size_x-crop_left-crop_right,p->size_y-crop_top-crop_bottom ); |
| |
| // KS: this buffer should actually be allocated only once, but this is still much faster than the previous version |
| buf = malloc (p->size_x*p->size_y*symbol_size_in_bytes); |
| if (NULL==buf) |
| { |
| no_mem_exit("write_out_picture: buf"); |
| } |
| |
| if(rgb_output) |
| { |
| crop_left = p->frame_cropping_rect_left_offset; |
| crop_right = p->frame_cropping_rect_right_offset; |
| crop_top = ( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_top_offset; |
| crop_bottom = ( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_bottom_offset; |
| |
| img2buf (p->imgUV[1], buf, p->size_x_cr, p->size_y_cr, symbol_size_in_bytes, crop_left, crop_right, crop_top, crop_bottom); |
| write(p_out, buf, (p->size_y_cr-crop_bottom-crop_top)*(p->size_x_cr-crop_right-crop_left)*symbol_size_in_bytes); |
| |
| if (p->frame_cropping_flag) |
| { |
| crop_left = SubWidthC[p->chroma_format_idc] * p->frame_cropping_rect_left_offset; |
| crop_right = SubWidthC[p->chroma_format_idc] * p->frame_cropping_rect_right_offset; |
| crop_top = SubHeightC[p->chroma_format_idc]*( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_top_offset; |
| crop_bottom = SubHeightC[p->chroma_format_idc]*( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_bottom_offset; |
| } |
| else |
| { |
| crop_left = crop_right = crop_top = crop_bottom = 0; |
| } |
| } |
| |
| img2buf (p->imgY, buf, p->size_x, p->size_y, symbol_size_in_bytes, crop_left, crop_right, crop_top, crop_bottom); |
| write(p_out, buf, (p->size_y-crop_bottom-crop_top)*(p->size_x-crop_right-crop_left)*symbol_size_in_bytes); |
| |
| if (p->chroma_format_idc!=YUV400) |
| { |
| crop_left = p->frame_cropping_rect_left_offset; |
| crop_right = p->frame_cropping_rect_right_offset; |
| crop_top = ( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_top_offset; |
| crop_bottom = ( 2 - p->frame_mbs_only_flag ) * p->frame_cropping_rect_bottom_offset; |
| |
| img2buf (p->imgUV[0], buf, p->size_x_cr, p->size_y_cr, symbol_size_in_bytes, crop_left, crop_right, crop_top, crop_bottom); |
| write(p_out, buf, (p->size_y_cr-crop_bottom-crop_top)*(p->size_x_cr-crop_right-crop_left)* symbol_size_in_bytes); |
| |
| if (!rgb_output) |
| { |
| img2buf (p->imgUV[1], buf, p->size_x_cr, p->size_y_cr, symbol_size_in_bytes, crop_left, crop_right, crop_top, crop_bottom); |
| write(p_out, buf, (p->size_y_cr-crop_bottom-crop_top)*(p->size_x_cr-crop_right-crop_left)*symbol_size_in_bytes); |
| } |
| } |
| else |
| { |
| if (input->write_uv) |
| { |
| int i,j; |
| imgpel cr_val = (imgpel) (1<<(img->bitdepth_luma - 1)); |
| |
| get_mem3Dpel (&(p->imgUV), 1, p->size_y/2, p->size_x/2); |
| for (j=0; j<p->size_y/2; j++) |
| for (i=0; i<p->size_x/2; i++) |
| p->imgUV[0][j][i]=cr_val; |
| |
| // fake out U=V=128 to make a YUV 4:2:0 stream |
| img2buf (p->imgUV[0], buf, p->size_x/2, p->size_y/2, symbol_size_in_bytes, crop_left/2, crop_right/2, crop_top/2, crop_bottom/2); |
| |
| write(p_out, buf, symbol_size_in_bytes * (p->size_y-crop_bottom-crop_top)/2 * (p->size_x-crop_right-crop_left)/2 ); |
| write(p_out, buf, symbol_size_in_bytes * (p->size_y-crop_bottom-crop_top)/2 * (p->size_x-crop_right-crop_left)/2 ); |
| |
| free_mem3Dpel(p->imgUV, 1); |
| p->imgUV=NULL; |
| } |
| } |
| |
| free(buf); |
| |
| // fsync(p_out); |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Initialize output buffer for direct output |
| ************************************************************************ |
| */ |
| void init_out_buffer() |
| { |
| out_buffer = alloc_frame_store(); |
| #ifdef PAIR_FIELDS_IN_OUTPUT |
| pending_output = calloc (sizeof(StorablePicture), 1); |
| if (NULL==pending_output) no_mem_exit("init_out_buffer"); |
| pending_output->imgUV = NULL; |
| pending_output->imgY = NULL; |
| #endif |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Uninitialize output buffer for direct output |
| ************************************************************************ |
| */ |
| void uninit_out_buffer() |
| { |
| free_frame_store(out_buffer); |
| out_buffer=NULL; |
| #ifdef PAIR_FIELDS_IN_OUTPUT |
| flush_pending_output(p_out); |
| free (pending_output); |
| #endif |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Initialize picture memory with (Y:0,U:128,V:128) |
| ************************************************************************ |
| */ |
| void clear_picture(StorablePicture *p) |
| { |
| int i,j; |
| |
| for(i=0;i<p->size_y;i++) |
| { |
| for (j=0; j<p->size_x; j++) |
| p->imgY[i][j] = (imgpel) img->dc_pred_value_luma; |
| } |
| for(i=0;i<p->size_y_cr;i++) |
| { |
| for (j=0; j<p->size_x_cr; j++) |
| p->imgUV[0][i][j] = (imgpel) img->dc_pred_value_chroma; |
| } |
| for(i=0;i<p->size_y_cr;i++) |
| { |
| for (j=0; j<p->size_x_cr; j++) |
| p->imgUV[1][i][j] = (imgpel) img->dc_pred_value_chroma; |
| } |
| |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Write out not paired direct output fields. A second empty field is generated |
| * and combined into the frame buffer. |
| * \param fs |
| * FrameStore that contains a single field |
| * \param p_out |
| * Output file |
| ************************************************************************ |
| */ |
| void write_unpaired_field(FrameStore* fs, int p_out) |
| { |
| StorablePicture *p; |
| assert (fs->is_used<3); |
| if(fs->is_used &1) |
| { |
| // we have a top field |
| // construct an empty bottom field |
| p = fs->top_field; |
| fs->bottom_field = alloc_storable_picture(BOTTOM_FIELD, p->size_x, 2*p->size_y, p->size_x_cr, 2*p->size_y_cr); |
| fs->bottom_field->chroma_format_idc = p->chroma_format_idc; |
| clear_picture(fs->bottom_field); |
| dpb_combine_field_yuv(fs); |
| write_picture (fs->frame, p_out, TOP_FIELD); |
| } |
| |
| if(fs->is_used &2) |
| { |
| // we have a bottom field |
| // construct an empty top field |
| p = fs->bottom_field; |
| fs->top_field = alloc_storable_picture(TOP_FIELD, p->size_x, 2*p->size_y, p->size_x_cr, 2*p->size_y_cr); |
| fs->top_field->chroma_format_idc = p->chroma_format_idc; |
| clear_picture(fs->top_field); |
| fs ->top_field->frame_cropping_flag = fs->bottom_field->frame_cropping_flag; |
| if(fs ->top_field->frame_cropping_flag) |
| { |
| fs ->top_field->frame_cropping_rect_top_offset = fs->bottom_field->frame_cropping_rect_top_offset; |
| fs ->top_field->frame_cropping_rect_bottom_offset = fs->bottom_field->frame_cropping_rect_bottom_offset; |
| fs ->top_field->frame_cropping_rect_left_offset = fs->bottom_field->frame_cropping_rect_left_offset; |
| fs ->top_field->frame_cropping_rect_right_offset = fs->bottom_field->frame_cropping_rect_right_offset; |
| } |
| dpb_combine_field_yuv(fs); |
| write_picture (fs->frame, p_out, BOTTOM_FIELD); |
| } |
| |
| fs->is_used=3; |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Write out unpaired fields from output buffer. |
| * \param p_out |
| * Output file |
| ************************************************************************ |
| */ |
| void flush_direct_output(int p_out) |
| { |
| write_unpaired_field(out_buffer, p_out); |
| |
| free_storable_picture(out_buffer->frame); |
| out_buffer->frame = NULL; |
| free_storable_picture(out_buffer->top_field); |
| out_buffer->top_field = NULL; |
| free_storable_picture(out_buffer->bottom_field); |
| out_buffer->bottom_field = NULL; |
| out_buffer->is_used = 0; |
| } |
| |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Write a frame (from FrameStore) |
| * \param fs |
| * FrameStore containing the frame |
| * \param p_out |
| * Output file |
| ************************************************************************ |
| */ |
| void write_stored_frame( FrameStore *fs,int p_out) |
| { |
| // make sure no direct output field is pending |
| flush_direct_output(p_out); |
| |
| if (fs->is_used<3) |
| { |
| write_unpaired_field(fs, p_out); |
| } |
| else |
| { |
| if (fs->recovery_frame) |
| recovery_flag = 1; |
| if ((!non_conforming_stream) || recovery_flag) |
| write_picture(fs->frame, p_out, FRAME); |
| } |
| |
| fs->is_output = 1; |
| } |
| |
| /*! |
| ************************************************************************ |
| * \brief |
| * Directly output a picture without storing it in the DPB. Fields |
| * are buffered before they are written to the file. |
| * \param p |
| * Picture for output |
| * \param p_out |
| * Output file |
| ************************************************************************ |
| */ |
| void direct_output(StorablePicture *p, int p_out) |
| { |
| if (p->structure==FRAME) |
| { |
| // we have a frame (or complementary field pair) |
| // so output it directly |
| flush_direct_output(p_out); |
| write_picture (p, p_out, FRAME); |
| if (-1!=p_ref && !input->silent) |
| find_snr(snr, p, p_ref); |
| free_storable_picture(p); |
| return; |
| } |
| |
| if (p->structure == TOP_FIELD) |
| { |
| if (out_buffer->is_used &1) |
| flush_direct_output(p_out); |
| out_buffer->top_field = p; |
| out_buffer->is_used |= 1; |
| } |
| |
| if (p->structure == BOTTOM_FIELD) |
| { |
| if (out_buffer->is_used &2) |
| flush_direct_output(p_out); |
| out_buffer->bottom_field = p; |
| out_buffer->is_used |= 2; |
| } |
| |
| if (out_buffer->is_used == 3) |
| { |
| // we have both fields, so output them |
| dpb_combine_field_yuv(out_buffer); |
| write_picture (out_buffer->frame, p_out, FRAME); |
| if (-1!=p_ref && !input->silent) |
| find_snr(snr, out_buffer->frame, p_ref); |
| free_storable_picture(out_buffer->frame); |
| out_buffer->frame = NULL; |
| free_storable_picture(out_buffer->top_field); |
| out_buffer->top_field = NULL; |
| free_storable_picture(out_buffer->bottom_field); |
| out_buffer->bottom_field = NULL; |
| out_buffer->is_used = 0; |
| } |
| } |
| |