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      1 /******************************************************************************
      2  *                                                                            *
      3  * Copyright (C) 2018 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at:
      8  *
      9  * http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  *
     17  *****************************************************************************
     18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
     19 */
     20 #include "ixheaacd_type_def.h"
     21 #include <stdlib.h>
     22 #include <stdio.h>
     23 #include <string.h>
     24 #include "ixheaacd_metadata_read.h"
     25 
     26 #define IA_MAX_CMDLINE_LENGTH 100
     27 
     28 void metadata_info_init(metadata_info *meta_info) {
     29   meta_info = (metadata_info *)malloc(sizeof(metadata_info));
     30 }
     31 
     32 void metadata_free(metadata_info *meta_info) {
     33   if (meta_info->ia_mp4_stsz_size != NULL) free(meta_info->ia_mp4_stsz_size);
     34   // free(meta_info);
     35 }
     36 
     37 int ixheaacd_read_metadata_info(FILE *g_pf_metadata, metadata_info *meta_info) {
     38   char cmd[IA_MAX_CMDLINE_LENGTH];
     39 
     40   WORD32 file_count = 0;
     41   WORD32 i, j, k, l;
     42   i = j = k = l = 0;
     43   while (fgets((char *)cmd, IA_MAX_CMDLINE_LENGTH, g_pf_metadata)) {
     44       if (!strncmp((pCHAR8)cmd, "-dec_info_init:", 15)) {
     45         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 15);
     46         UWORD32 dec_info_init = atoi(pb_arg_val);
     47         meta_info->dec_info_init = dec_info_init;
     48         file_count++;
     49       }
     50       else if (!strncmp((pCHAR8)cmd, "-g_track_count:", 15)) {
     51         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 15);
     52         UWORD32 g_track_count = atoi(pb_arg_val);
     53         meta_info->g_track_count = g_track_count;
     54         file_count++;
     55       }
     56 
     57       else if (!strncmp((pCHAR8)cmd, "-movie_time_scale:", 18)) {
     58         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 18);
     59         UWORD32 movie_time_scale = atoi(pb_arg_val);
     60         meta_info->movie_time_scale = movie_time_scale;
     61         file_count++;
     62       }
     63 
     64       else if (!strncmp((pCHAR8)cmd, "-media_time_scale:", 18)) {
     65         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 18);
     66         UWORD32 media_time_scale = atoi(pb_arg_val);
     67         meta_info->media_time_scale = media_time_scale;
     68         file_count++;
     69       }
     70 
     71       else if (!strncmp((pCHAR8)cmd, "-ia_mp4_stsz_entries:", 21)) {
     72         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 21);
     73         UWORD32 ia_mp4_stsz_entries = atoi(pb_arg_val);
     74         meta_info->ia_mp4_stsz_entries = ia_mp4_stsz_entries;
     75 
     76         meta_info->ia_mp4_stsz_size =
     77             (UWORD32 *)malloc(sizeof(int) * ia_mp4_stsz_entries);
     78         file_count++;
     79       }
     80       /*
     81       else if {
     82         //printf("Wrong file order,Check file order");
     83         //return -1;
     84       }
     85       */
     86       else if (!strncmp((pCHAR8)cmd, "-playTimeInSamples:", 19)) {
     87         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 19);
     88         UWORD32 playTimeInSamples = atoi(pb_arg_val);
     89         meta_info->playTimeInSamples[i] = playTimeInSamples;
     90         i++;
     91       }
     92 
     93       else if (!strncmp((pCHAR8)cmd, "-startOffsetInSamples:", 22)) {
     94         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 22);
     95         UWORD32 startOffsetInSamples = atoi(pb_arg_val);
     96         meta_info->startOffsetInSamples[j] = startOffsetInSamples;
     97         j++;
     98       }
     99 
    100       else if (!strncmp((pCHAR8)cmd, "-useEditlist:", 13)) {
    101         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 13);
    102         UWORD32 useEditlist = atoi(pb_arg_val);
    103         meta_info->useEditlist[k] = useEditlist;
    104         k++;
    105       }
    106 
    107       else if (!strncmp((pCHAR8)cmd, "-ia_mp4_stsz_size:", 18)) {
    108         pCHAR8 pb_arg_val = (pCHAR8)(cmd + 18);
    109         UWORD32 ia_mp4_stsz_size = atoi(pb_arg_val);
    110         meta_info->ia_mp4_stsz_size[l] = ia_mp4_stsz_size;
    111         l++;
    112       }
    113 
    114       else {
    115         printf("Command not found");
    116         return -1;
    117       }
    118   }
    119 
    120   for (; i < MAX_TRACKS_PER_LAYER; i++) {
    121     meta_info->playTimeInSamples[i] = 0;
    122   }
    123 
    124   for (; j < MAX_TRACKS_PER_LAYER; j++) {
    125     meta_info->startOffsetInSamples[j] = 0;
    126   }
    127 
    128   for (; k < MAX_TRACKS_PER_LAYER; k++) {
    129     meta_info->useEditlist[k] = 0;
    130   }
    131 
    132   return 0;
    133 }
    134 
    135 int get_metadata_dec_info_init(metadata_info meta_info) {
    136   return meta_info.dec_info_init;
    137 }
    138 
    139 WORD32 get_metadata_dec_exec(metadata_info meta_info, int frame) {
    140   return meta_info.ia_mp4_stsz_size[frame];
    141 }
    142 
    143 int get_movie_time_scale(metadata_info meta_info) {
    144   return meta_info.movie_time_scale;
    145 }
    146 
    147 int get_media_time_scale(metadata_info meta_info) {
    148   return meta_info.media_time_scale;
    149 }
    150 
    151 int get_g_track_count(metadata_info meta_info) {
    152   return meta_info.g_track_count;
    153 }
    154 
    155 int get_use_edit_list(metadata_info meta_info) {
    156   return meta_info.useEditlist[0];
    157 }
    158 
    159 int get_start_offset_in_samples(metadata_info meta_info) {
    160   return meta_info.startOffsetInSamples[0];
    161 }
    162 
    163 int get_play_time_in_samples(metadata_info meta_info) {
    164   return meta_info.playTimeInSamples[0];
    165 }
    166 /*
    167 void update_start_offset_in_samples(metadata_info meta_info, int update)
    168 {
    169 
    170         meta_info.startOffsetInSamples[0]=update;
    171 }
    172 */
    173 
    174 /*
    175 void update_play_time_in_samples(metadata_info meta_info, int update)
    176 {
    177 
    178         meta_info.playTimeInSamples[0]=update;
    179 
    180 }
    181 */
    182 
    183 void memset_metadata(metadata_info meta_info) {
    184   unsigned int i;
    185 
    186   for (i = 0; i < meta_info.g_track_count; i++) {
    187     meta_info.startOffsetInSamples[i] = 0;
    188     meta_info.startOffsetInSamples[i] = 0;
    189     meta_info.playTimeInSamples[i] = 0;
    190   }
    191 
    192   meta_info.g_track_count = 0;
    193 }
    194