URL
https://opencores.org/ocsvn/bluespec-h264/bluespec-h264/trunk
Subversion Repositories bluespec-h264
[/] [bluespec-h264/] [trunk/] [test/] [decoder/] [ldecod/] [src/] [ldecod.c] - Rev 100
Compare with Previous | Blame | View Log
/*! *********************************************************************** * \mainpage * This is the H.264/AVC decoder reference software. For detailed documentation * see the comments in each file. * * \author * The main contributors are listed in contributors.h * * \version * JM 12.1 (FRExt) * * \note * tags are used for document system "doxygen" * available at http://www.doxygen.org */ /*! * \file * ldecod.c * \brief * H.264/AVC reference decoder project main() * \author * Main contributors (see contributors.h for copyright, address and affiliation details) * - Inge Lille-Langøy <inge.lille-langoy@telenor.com> * - Rickard Sjoberg <rickard.sjoberg@era.ericsson.se> * - Stephan Wenger <stewe@cs.tu-berlin.de> * - Jani Lainema <jani.lainema@nokia.com> * - Sebastian Purreiter <sebastian.purreiter@mch.siemens.de> * - Byeong-Moon Jeon <jeonbm@lge.com> * - Gabi Blaettermann <blaetter@hhi.de> * - Ye-Kui Wang <wyk@ieee.org> * - Valeri George <george@hhi.de> * - Karsten Suehring <suehring@hhi.de> * *********************************************************************** */ #include "contributors.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <time.h> #include <sys/timeb.h> #if defined WIN32 #include <io.h> #else #include <unistd.h> #endif #include <sys/stat.h> #include <fcntl.h> #include <assert.h> #include "global.h" #include "rtp.h" #include "memalloc.h" #include "mbuffer.h" #include "leaky_bucket.h" #include "fmo.h" #include "annexb.h" #include "output.h" #include "cabac.h" #include "parset.h" #include "erc_api.h" #define JM "12 (FRExt)" #define VERSION "12.1" #define EXT_VERSION "(FRExt)" #define LOGFILE "log.dec" #define DATADECFILE "dataDec.txt" #define TRACEFILE "trace_dec.txt" extern objectBuffer_t *erc_object_list; extern ercVariables_t *erc_errorVar; extern ColocatedParams *Co_located; // I have started to move the inp and img structures into global variables. // They are declared in the following lines. Since inp is defined in conio.h // and cannot be overridden globally, it is defined here as input // // Everywhere, input-> and img-> can now be used either globally or with // the local override through the formal parameter mechanism extern FILE* bits; extern StorablePicture* dec_picture; struct inp_par *input; //!< input parameters from input configuration file struct snr_par *snr; //!< statistics struct img_par *img; //!< image parameters int global_init_done = 0; /*! *********************************************************************** * \brief * print help message and exit *********************************************************************** */ void JMDecHelpExit () { fprintf( stderr, "\n ldecod [-h] {[defdec.cfg] | {[-p pocScale][-i bitstream.264]...[-o output.yuv] [-r reference.yuv] [-uv]}}\n\n" "## Parameters\n\n" "## Options\n" " -h : prints function usage\n" " : parse <defdec.cfg> for decoder operation.\n" " -i : Input file name. \n" " -o : Output file name. If not specified default output is set as test_dec.yuv\n\n" " -r : Reference file name. If not specified default output is set as test_rec.yuv\n\n" " -p : Poc Scale. \n" " -uv : write chroma components for monochrome streams(4:2:0)\n\n" "## Supported video file formats\n" " Input : .264 -> H.264 bitstream files. \n" " Output: .yuv -> RAW file. Format depends on bitstream information. \n\n" "## Examples of usage:\n" " ldecod\n" " ldecod -h\n" " ldecod default.cfg\n" " ldecod -i bitstream.264 -o output.yuv -r reference.yuv\n"); exit(-1); } void Configure(int ac, char *av[]) { int CLcount; char *config_filename=NULL; CLcount = 1; strcpy(input->infile,"test.264"); //! set default bitstream name strcpy(input->outfile,"test_dec.yuv"); //! set default output file name strcpy(input->reffile,"test_rec.yuv"); //! set default reference file name input->FileFormat = PAR_OF_ANNEXB; input->ref_offset=0; input->poc_scale=2; input->silent = FALSE; #ifdef _LEAKYBUCKET_ input->R_decoder=500000; //! Decoder rate input->B_decoder=104000; //! Decoder buffer size input->F_decoder=73000; //! Decoder initial delay strcpy(input->LeakyBucketParamFile,"leakybucketparam.cfg"); // file where Leaky Bucket params (computed by encoder) are stored #endif if (ac==2) { if (0 == strncmp (av[1], "-h", 2)) { JMDecHelpExit(); } else if (0 == strncmp (av[1], "-s", 2)) { input->silent = TRUE; } else { config_filename=av[1]; init_conf(input, av[1]); } CLcount=2; } if (ac>=3) { if (0 == strncmp (av[1], "-i", 2)) { strcpy(input->infile,av[2]); CLcount = 3; } if (0 == strncmp (av[1], "-h", 2)) { JMDecHelpExit(); } if (0 == strncmp (av[1], "-s", 2)) { input->silent = TRUE; } } // Parse the command line while (CLcount < ac) { if (0 == strncmp (av[CLcount], "-h", 2)) { JMDecHelpExit(); } if (0 == strncmp (av[CLcount], "-s", 2)) { input->silent = TRUE; CLcount ++; } if (0 == strncmp (av[CLcount], "-i", 2)) //! Input file { strcpy(input->infile,av[CLcount+1]); CLcount += 2; } else if (0 == strncmp (av[CLcount], "-o", 2)) //! Output File { strcpy(input->outfile,av[CLcount+1]); CLcount += 2; } else if (0 == strncmp (av[CLcount], "-r", 2)) //! Reference File { strcpy(input->reffile,av[CLcount+1]); CLcount += 2; } else if (0 == strncmp (av[CLcount], "-p", 2)) //! Poc Scale { sscanf (av[CLcount+1], "%d", &input->poc_scale); CLcount += 2; } else if (0 == strncmp (av[CLcount], "-uv", 3)) //! indicate UV writing for 4:0:0 { input->write_uv = 1; CLcount ++; } else { //config_filename=av[CLcount]; //init_conf(input, config_filename); snprintf(errortext, ET_SIZE, "Invalid syntax. Use ldecod -h for proper usage"); error(errortext, 300); } } #if TRACE if ((p_trace=fopen(TRACEFILE,"w"))==0) // append new statistic at the end { snprintf(errortext, ET_SIZE, "Error open file %s!",TRACEFILE); error(errortext,500); } #endif if ((p_out=open(input->outfile, OPENFLAGS_WRITE, OPEN_PERMISSIONS))==-1) { snprintf(errortext, ET_SIZE, "Error open file %s ",input->outfile); error(errortext,500); } /* if ((p_out2=fopen("out.yuv","wb"))==0) { snprintf(errortext, ET_SIZE, "Error open file %s ",input->outfile); error(errortext,500); }*/ fprintf(stdout,"----------------------------- JM %s %s -----------------------------\n", VERSION, EXT_VERSION); fprintf(stdout," Decoder config file : %s \n",config_filename); fprintf(stdout,"--------------------------------------------------------------------------\n"); fprintf(stdout," Input H.264 bitstream : %s \n",input->infile); fprintf(stdout," Output decoded YUV : %s \n",input->outfile); fprintf(stdout," Output status file : %s \n",LOGFILE); if ((p_ref=open(input->reffile,OPENFLAGS_READ))==-1) { fprintf(stdout," Input reference file : %s does not exist \n",input->reffile); fprintf(stdout," SNR values are not available\n"); } else fprintf(stdout," Input reference file : %s \n",input->reffile); fprintf(stdout,"--------------------------------------------------------------------------\n"); #ifdef _LEAKYBUCKET_ fprintf(stdout," Rate_decoder : %8ld \n",input->R_decoder); fprintf(stdout," B_decoder : %8ld \n",input->B_decoder); fprintf(stdout," F_decoder : %8ld \n",input->F_decoder); fprintf(stdout," LeakyBucketParamFile: %s \n",input->LeakyBucketParamFile); // Leaky Bucket Param file calc_buffer(input); fprintf(stdout,"--------------------------------------------------------------------------\n"); #endif fprintf(stdout,"POC must = frame# or field# for SNRs to be correct\n"); fprintf(stdout,"--------------------------------------------------------------------------\n"); fprintf(stdout," Frame POC Pic# QP SnrY SnrU SnrV Y:U:V Time(ms)\n"); fprintf(stdout,"--------------------------------------------------------------------------\n"); } /*! *********************************************************************** * \brief * main function for TML decoder *********************************************************************** */ int main(int argc, char **argv) { int i; // allocate memory for the structures if ((input = (struct inp_par *)calloc(1, sizeof(struct inp_par)))==NULL) no_mem_exit("main: input"); if ((snr = (struct snr_par *)calloc(1, sizeof(struct snr_par)))==NULL) no_mem_exit("main: snr"); if ((img = (struct img_par *)calloc(1, sizeof(struct img_par)))==NULL) no_mem_exit("main: img"); Configure (argc, argv); init_old_slice(); switch (input->FileFormat) { case 0: OpenBitstreamFile (input->infile); break; case 1: OpenRTPFile (input->infile); break; default: printf ("Unsupported file format %d, exit\n", input->FileFormat); } // Allocate Slice data struct malloc_slice(input,img); init(img); dec_picture = NULL; dpb.init_done = 0; g_nFrame = 0; init_out_buffer(); img->idr_psnr_number=input->ref_offset; img->psnr_number=0; img->number=0; img->type = I_SLICE; img->dec_ref_pic_marking_buffer = NULL; // B pictures Bframe_ctr=snr->frame_ctr=0; // time for total decoding session tot_time = 0; // reference flag initialization for(i=0;i<17;i++) { ref_flag[i]=1; } while (decode_one_frame(img, input, snr) != EOS) ; report(input, img, snr); free_slice(input,img); FmoFinit(); free_global_buffers(); flush_dpb(); #ifdef PAIR_FIELDS_IN_OUTPUT flush_pending_output(p_out); #endif CloseBitstreamFile(); close(p_out); // fclose(p_out2); if (p_ref!=-1) close(p_ref); #if TRACE fclose(p_trace); #endif ercClose(erc_errorVar); CleanUpPPS(); free_dpb(); uninit_out_buffer(); free_colocated(Co_located); free (input); free (snr); free (img); //while( !kbhit() ); return 0; } /*! *********************************************************************** * \brief * Initilize some arrays *********************************************************************** */ void init(struct img_par *img) //!< image parameters { img->oldFrameSizeInMbs = -1; imgY_ref = NULL; imgUV_ref = NULL; img->recovery_point = 0; img->recovery_point_found = 0; img->recovery_poc = 0x7fffffff; /* set to a max value */ } /*! *********************************************************************** * \brief * Initialize FREXT variables *********************************************************************** */ void init_frext(struct img_par *img) //!< image parameters { //pel bitdepth init img->bitdepth_luma_qp_scale = 6*(img->bitdepth_luma - 8); if(img->bitdepth_luma > img->bitdepth_chroma || active_sps->chroma_format_idc == YUV400) img->pic_unit_bitsize_on_disk = (img->bitdepth_luma > 8)? 16:8; else img->pic_unit_bitsize_on_disk = (img->bitdepth_chroma > 8)? 16:8; img->dc_pred_value_luma = 1<<(img->bitdepth_luma - 1); img->max_imgpel_value = (1<<img->bitdepth_luma) - 1; img->mb_size[0][0] = img->mb_size[0][1] = MB_BLOCK_SIZE; if (active_sps->chroma_format_idc != YUV400) { //for chrominance part img->bitdepth_chroma_qp_scale = 6*(img->bitdepth_chroma - 8); img->dc_pred_value_chroma = 1<<(img->bitdepth_chroma - 1); img->max_imgpel_value_uv = (1<<img->bitdepth_chroma) - 1; img->num_blk8x8_uv = (1<<active_sps->chroma_format_idc)&(~(0x1)); img->num_cdc_coeff = img->num_blk8x8_uv<<1; img->mb_size[1][0] = img->mb_size[2][0] = img->mb_cr_size_x = (active_sps->chroma_format_idc==YUV420 || active_sps->chroma_format_idc==YUV422)? 8:16; img->mb_size[1][1] = img->mb_size[2][1] = img->mb_cr_size_y = (active_sps->chroma_format_idc==YUV444 || active_sps->chroma_format_idc==YUV422)? 16:8; } else { img->bitdepth_chroma_qp_scale = 0; img->max_imgpel_value_uv = 0; img->num_blk8x8_uv = 0; img->num_cdc_coeff = 0; img->mb_size[1][0] = img->mb_size[2][0] = img->mb_cr_size_x = 0; img->mb_size[1][1] = img->mb_size[2][1] = img->mb_cr_size_y = 0; } img->mb_size_blk[0][0] = img->mb_size_blk[0][1] = img->mb_size[0][0] >> 2; img->mb_size_blk[1][0] = img->mb_size_blk[2][0] = img->mb_size[1][0] >> 2; img->mb_size_blk[1][1] = img->mb_size_blk[2][1] = img->mb_size[1][1] >> 2; } /*! ************************************************************************ * \brief * Read input from configuration file * * \par Input: * Name of configuration filename * * \par Output * none ************************************************************************ */ void init_conf(struct inp_par *inp, char *config_filename) { FILE *fd; int NAL_mode; // picture error concealment long int temp; char tempval[100]; // read the decoder configuration file if((fd=fopen(config_filename,"r")) == NULL) { snprintf(errortext, ET_SIZE, "Error: Control file %s not found\n",config_filename); error(errortext, 300); } fscanf(fd,"%s",inp->infile); // H.264 compressed input bitstream fscanf(fd,"%*[^\n]"); fscanf(fd,"%s",inp->outfile); // RAW (YUV/RGB) output file fscanf(fd,"%*[^\n]"); fscanf(fd,"%s",inp->reffile); // reference file fscanf(fd,"%*[^\n]"); fscanf(fd,"%d",&(inp->write_uv)); // write UV in YUV 4:0:0 mode fscanf(fd,"%*[^\n]"); fscanf(fd,"%d",&(NAL_mode)); // NAL mode fscanf(fd,"%*[^\n]"); switch(NAL_mode) { case 0: inp->FileFormat = PAR_OF_ANNEXB; break; case 1: inp->FileFormat = PAR_OF_RTP; break; default: snprintf(errortext, ET_SIZE, "NAL mode %i is not supported", NAL_mode); error(errortext,400); } fscanf(fd,"%d,",&inp->ref_offset); // offset used for SNR computation fscanf(fd,"%*[^\n]"); fscanf(fd,"%d,",&inp->poc_scale); // offset used for SNR computation fscanf(fd,"%*[^\n]"); if (inp->poc_scale < 1 || inp->poc_scale > 10) { snprintf(errortext, ET_SIZE, "Poc Scale is %d. It has to be within range 1 to 10",inp->poc_scale); error(errortext,1); } inp->write_uv=1; // picture error concealment img->conceal_mode = inp->conceal_mode = 0; img->ref_poc_gap = inp->ref_poc_gap = 2; img->poc_gap = inp->poc_gap = 2; #ifdef _LEAKYBUCKET_ fscanf(fd,"%ld,",&inp->R_decoder); // Decoder rate fscanf(fd, "%*[^\n]"); fscanf(fd,"%ld,",&inp->B_decoder); // Decoder buffer size fscanf(fd, "%*[^\n]"); fscanf(fd,"%ld,",&inp->F_decoder); // Decoder initial delay fscanf(fd, "%*[^\n]"); fscanf(fd,"%s",inp->LeakyBucketParamFile); // file where Leaky Bucket params (computed by encoder) are stored fscanf(fd,"%*[^\n]"); #endif /* since error concealment parameters are added at the end of decoder conf file we need to read the leakybucket params to get to those parameters */ #ifndef _LEAKYBUCKET_ fscanf(fd,"%ld,",&temp); fscanf(fd, "%*[^\n]"); fscanf(fd,"%ld,",&temp); fscanf(fd, "%*[^\n]"); fscanf(fd,"%ld,",&temp); fscanf(fd, "%*[^\n]"); fscanf(fd,"%s",tempval); fscanf(fd,"%*[^\n]"); #endif fscanf(fd,"%d",&inp->conceal_mode); // Mode of Error Concealment fscanf(fd,"%*[^\n]"); img->conceal_mode = inp->conceal_mode; fscanf(fd,"%d",&inp->ref_poc_gap); // POC gap depending on pattern fscanf(fd,"%*[^\n]"); img->ref_poc_gap = inp->ref_poc_gap; fscanf(fd,"%d",&inp->poc_gap); // POC gap between consecutive frames in display order fscanf(fd,"%*[^\n]"); img->poc_gap = inp->poc_gap; fscanf(fd,"%d,",&inp->silent); // use silent decode mode fscanf(fd,"%*[^\n]"); fclose (fd); } /*! ************************************************************************ * \brief * Reports the gathered information to appropriate outputs * * \par Input: * struct inp_par *inp, * struct img_par *img, * struct snr_par *stat * * \par Output: * None ************************************************************************ */ void report(struct inp_par *inp, struct img_par *img, struct snr_par *snr) { #define OUTSTRING_SIZE 255 char string[OUTSTRING_SIZE]; FILE *p_log; char yuv_formats[4][4]= { {"400"}, {"420"}, {"422"}, {"444"} }; #ifndef WIN32 time_t now; struct tm *l_time; #else char timebuf[128]; #endif if (input->silent == FALSE) { fprintf(stdout,"-------------------- Average SNR all frames ------------------------------\n"); fprintf(stdout," SNR Y(dB) : %5.2f\n",snr->snr_ya); fprintf(stdout," SNR U(dB) : %5.2f\n",snr->snr_ua); fprintf(stdout," SNR V(dB) : %5.2f\n",snr->snr_va); fprintf(stdout," Total decoding time : %.3f sec \n",tot_time*0.001); fprintf(stdout,"--------------------------------------------------------------------------\n"); fprintf(stdout," Exit JM %s decoder, ver %s ",JM, VERSION); fprintf(stdout,"\n"); } else { fprintf(stdout,"\n----------------------- Decoding Completed -------------------------------\n"); fprintf(stdout," Total decoding time : %.3f sec \n",tot_time*0.001); fprintf(stdout,"--------------------------------------------------------------------------\n"); fprintf(stdout," Exit JM %s decoder, ver %s ",JM, VERSION); fprintf(stdout,"\n"); } // write to log file snprintf(string, OUTSTRING_SIZE, "%s", LOGFILE); if ((p_log=fopen(string,"r"))==0) // check if file exist { if ((p_log=fopen(string,"a"))==0) { snprintf(errortext, ET_SIZE, "Error open file %s for appending",string); error(errortext, 500); } else // Create header to new file { fprintf(p_log," -------------------------------------------------------------------------------------------------------------------\n"); fprintf(p_log,"| Decoder statistics. This file is made first time, later runs are appended |\n"); fprintf(p_log," ------------------------------------------------------------------------------------------------------------------- \n"); fprintf(p_log,"| ver | Date | Time | Sequence |#Img| Format | YUV |Coding|SNRY 1|SNRU 1|SNRV 1|SNRY N|SNRU N|SNRV N|\n"); fprintf(p_log," -------------------------------------------------------------------------------------------------------------------\n"); } } else { fclose(p_log); p_log=fopen(string,"a"); // File exist,just open for appending } fprintf(p_log,"|%s/%-4s", VERSION, EXT_VERSION); #ifdef WIN32 _strdate( timebuf ); fprintf(p_log,"| %1.5s |",timebuf ); _strtime( timebuf); fprintf(p_log," % 1.5s |",timebuf); #else now = time ((time_t *) NULL); // Get the system time and put it into 'now' as 'calender time' time (&now); l_time = localtime (&now); strftime (string, sizeof string, "%d-%b-%Y", l_time); fprintf(p_log,"| %1.5s |",string ); strftime (string, sizeof string, "%H:%M:%S", l_time); fprintf(p_log,"| %1.5s |",string ); #endif fprintf(p_log,"%20.20s|",inp->infile); fprintf(p_log,"%3d |",img->number); fprintf(p_log,"%4dx%-4d|", img->width, img->height); fprintf(p_log," %s |", &(yuv_formats[img->yuv_format][0])); if (active_pps) { if (active_pps->entropy_coding_mode_flag == UVLC) fprintf(p_log," CAVLC|"); else fprintf(p_log," CABAC|"); } fprintf(p_log,"%6.3f|",snr->snr_y1); fprintf(p_log,"%6.3f|",snr->snr_u1); fprintf(p_log,"%6.3f|",snr->snr_v1); fprintf(p_log,"%6.3f|",snr->snr_ya); fprintf(p_log,"%6.3f|",snr->snr_ua); fprintf(p_log,"%6.3f|\n",snr->snr_va); fclose(p_log); snprintf(string, OUTSTRING_SIZE,"%s", DATADECFILE); p_log=fopen(string,"a"); if(Bframe_ctr != 0) // B picture used { fprintf(p_log, "%3d %2d %2d %2.2f %2.2f %2.2f %5d " "%2.2f %2.2f %2.2f %5d " "%2.2f %2.2f %2.2f %5d %.3f\n", img->number, 0, img->qp, snr->snr_y1, snr->snr_u1, snr->snr_v1, 0, 0.0, 0.0, 0.0, 0, snr->snr_ya, snr->snr_ua, snr->snr_va, 0, (double)0.001*tot_time/(img->number+Bframe_ctr-1)); } else { fprintf(p_log, "%3d %2d %2d %2.2f %2.2f %2.2f %5d " "%2.2f %2.2f %2.2f %5d " "%2.2f %2.2f %2.2f %5d %.3f\n", img->number, 0, img->qp, snr->snr_y1, snr->snr_u1, snr->snr_v1, 0, 0.0, 0.0, 0.0, 0, snr->snr_ya, snr->snr_ua, snr->snr_va, 0, (double)0.001*tot_time/img->number); } fclose(p_log); } /*! ************************************************************************ * \brief * Allocates a stand-alone partition structure. Structure should * be freed by FreePartition(); * data structures * * \par Input: * n: number of partitions in the array * \par return * pointer to DataPartition Structure, zero-initialized ************************************************************************ */ DataPartition *AllocPartition(int n) { DataPartition *partArr, *dataPart; int i; partArr = (DataPartition *) calloc(n, sizeof(DataPartition)); if (partArr == NULL) { snprintf(errortext, ET_SIZE, "AllocPartition: Memory allocation for Data Partition failed"); error(errortext, 100); } for (i=0; i<n; i++) // loop over all data partitions { dataPart = &(partArr[i]); dataPart->bitstream = (Bitstream *) calloc(1, sizeof(Bitstream)); if (dataPart->bitstream == NULL) { snprintf(errortext, ET_SIZE, "AllocPartition: Memory allocation for Bitstream failed"); error(errortext, 100); } dataPart->bitstream->streamBuffer = (byte *) calloc(MAX_CODED_FRAME_SIZE, sizeof(byte)); if (dataPart->bitstream->streamBuffer == NULL) { snprintf(errortext, ET_SIZE, "AllocPartition: Memory allocation for streamBuffer failed"); error(errortext, 100); } } return partArr; } /*! ************************************************************************ * \brief * Frees a partition structure (array). * * \par Input: * Partition to be freed, size of partition Array (Number of Partitions) * * \par return * None * * \note * n must be the same as for the corresponding call of AllocPartition ************************************************************************ */ void FreePartition (DataPartition *dp, int n) { int i; assert (dp != NULL); assert (dp->bitstream != NULL); assert (dp->bitstream->streamBuffer != NULL); for (i=0; i<n; i++) { free (dp[i].bitstream->streamBuffer); free (dp[i].bitstream); } free (dp); } /*! ************************************************************************ * \brief * Allocates the slice structure along with its dependent * data structures * * \par Input: * Input Parameters struct inp_par *inp, struct img_par *img ************************************************************************ */ void malloc_slice(struct inp_par *inp, struct img_par *img) { Slice *currSlice; img->currentSlice = (Slice *) calloc(1, sizeof(Slice)); if ( (currSlice = img->currentSlice) == NULL) { snprintf(errortext, ET_SIZE, "Memory allocation for Slice datastruct in NAL-mode %d failed", inp->FileFormat); error(errortext,100); } // img->currentSlice->rmpni_buffer=NULL; //! you don't know whether we do CABAC hre, hence initialize CABAC anyway // if (inp->symbol_mode == CABAC) if (1) { // create all context models currSlice->mot_ctx = create_contexts_MotionInfo(); currSlice->tex_ctx = create_contexts_TextureInfo(); } currSlice->max_part_nr = 3; //! assume data partitioning (worst case) for the following mallocs() currSlice->partArr = AllocPartition(currSlice->max_part_nr); } /*! ************************************************************************ * \brief * Memory frees of the Slice structure and of its dependent * data structures * * \par Input: * Input Parameters struct inp_par *inp, struct img_par *img ************************************************************************ */ void free_slice(struct inp_par *inp, struct img_par *img) { Slice *currSlice = img->currentSlice; FreePartition (currSlice->partArr, 3); // if (inp->symbol_mode == CABAC) if (1) { // delete all context models delete_contexts_MotionInfo(currSlice->mot_ctx); delete_contexts_TextureInfo(currSlice->tex_ctx); } free(img->currentSlice); currSlice = NULL; } /*! ************************************************************************ * \brief * Dynamic memory allocation of frame size related global buffers * buffers are defined in global.h, allocated memory must be freed in * void free_global_buffers() * * \par Input: * Input Parameters struct inp_par *inp, Image Parameters struct img_par *img * * \par Output: * Number of allocated bytes *********************************************************************** */ int init_global_buffers() { int memory_size=0; int quad_range, i; if (global_init_done) { free_global_buffers(); } // allocate memory for reference frame in find_snr memory_size += get_mem2Dpel(&imgY_ref, img->height, img->width); if (active_sps->chroma_format_idc != YUV400) memory_size += get_mem3Dpel(&imgUV_ref, 2, img->height_cr, img->width_cr); else imgUV_ref=NULL; // allocate memory in structure img if(((img->mb_data) = (Macroblock *) calloc(img->FrameSizeInMbs, sizeof(Macroblock))) == NULL) no_mem_exit("init_global_buffers: img->mb_data"); if(((img->intra_block) = (int*)calloc(img->FrameSizeInMbs, sizeof(int))) == NULL) no_mem_exit("init_global_buffers: img->intra_block"); memory_size += get_mem2Dint(&PicPos,img->FrameSizeInMbs + 1,2); //! Helper array to access macroblock positions. We add 1 to also consider last MB. for (i = 0; i < (int) img->FrameSizeInMbs + 1;i++) { PicPos[i][0] = (i % img->PicWidthInMbs); PicPos[i][1] = (i / img->PicWidthInMbs); } memory_size += get_mem2D(&(img->ipredmode), 4*img->FrameHeightInMbs, 4*img->PicWidthInMbs); memory_size += get_mem3Dint(&(img->wp_weight), 2, MAX_REFERENCE_PICTURES, 3); memory_size += get_mem3Dint(&(img->wp_offset), 6, MAX_REFERENCE_PICTURES, 3); memory_size += get_mem4Dint(&(img->wbp_weight), 6, MAX_REFERENCE_PICTURES, MAX_REFERENCE_PICTURES, 3); // CAVLC mem memory_size += get_mem3Dint(&(img->nz_coeff), img->FrameSizeInMbs, 4, 4 + img->num_blk8x8_uv); memory_size += get_mem2Dint(&(img->siblock), img->FrameHeightInMbs, img->PicWidthInMbs); if(img->max_imgpel_value > img->max_imgpel_value_uv || active_sps->chroma_format_idc == YUV400) quad_range = (img->max_imgpel_value + 1) * 2; else quad_range = (img->max_imgpel_value_uv + 1) * 2; if ((img->quad = (int*)calloc (quad_range, sizeof(int))) == NULL) no_mem_exit ("init_img: img->quad"); img->quad+=quad_range/2; for (i=0; i < quad_range/2; ++i) { img->quad[i]=img->quad[-i]=i*i; } global_init_done = 1; img->oldFrameSizeInMbs = img->FrameSizeInMbs; return (memory_size); } /*! ************************************************************************ * \brief * Free allocated memory of frame size related global buffers * buffers are defined in global.h, allocated memory is allocated in * int init_global_buffers() * * \par Input: * Input Parameters struct inp_par *inp, Image Parameters struct img_par *img * * \par Output: * none * ************************************************************************ */ void free_global_buffers() { free_mem2Dpel (imgY_ref); if (imgUV_ref) free_mem3Dpel (imgUV_ref,2); // CAVLC free mem free_mem3Dint(img->nz_coeff, img->oldFrameSizeInMbs); free_mem2Dint(img->siblock); // free mem, allocated for structure img if (img->mb_data != NULL) free(img->mb_data); free_mem2Dint(PicPos); free (img->intra_block); free_mem2D(img->ipredmode); free_mem3Dint(img->wp_weight, 2); free_mem3Dint(img->wp_offset, 6); free_mem4Dint(img->wbp_weight, 6, MAX_REFERENCE_PICTURES); if(img->max_imgpel_value > img->max_imgpel_value_uv) free (img->quad-(img->max_imgpel_value + 1)); else free (img->quad-(img->max_imgpel_value_uv + 1)); global_init_done = 0; }