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_mp4_stsz_size_free(metadata_info *meta_info) {
29   if (meta_info->ia_mp4_stsz_size != NULL) {
30     free(meta_info->ia_mp4_stsz_size);
31     meta_info->ia_mp4_stsz_size = NULL;
32   }
33 }
34 
35 int ixheaacd_read_metadata_info(FILE *g_pf_metadata, metadata_info *meta_info) {
36   char cmd[IA_MAX_CMDLINE_LENGTH];
37 
38   WORD32 i, j, k, l;
39   i = j = k = l = 0;
40   metadata_mp4_stsz_size_free(meta_info);
41   while (fgets((char *)cmd, IA_MAX_CMDLINE_LENGTH, g_pf_metadata)) {
42     if (!strncmp((pCHAR8)cmd, "-dec_info_init:", 15)) {
43       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 15);
44       UWORD32 dec_info_init = atoi(pb_arg_val);
45       meta_info->dec_info_init = dec_info_init;
46     } else if (!strncmp((pCHAR8)cmd, "-g_track_count:", 15)) {
47       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 15);
48       UWORD32 g_track_count = atoi(pb_arg_val);
49       meta_info->g_track_count = g_track_count;
50     }
51 
52     else if (!strncmp((pCHAR8)cmd, "-movie_time_scale:", 18)) {
53       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 18);
54       UWORD32 movie_time_scale = atoi(pb_arg_val);
55       meta_info->movie_time_scale = movie_time_scale;
56     }
57 
58     else if (!strncmp((pCHAR8)cmd, "-media_time_scale:", 18)) {
59       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 18);
60       UWORD32 media_time_scale = atoi(pb_arg_val);
61       meta_info->media_time_scale = media_time_scale;
62     }
63 
64     else if (!strncmp((pCHAR8)cmd, "-ia_mp4_stsz_entries:", 21)) {
65       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 21);
66       UWORD32 ia_mp4_stsz_entries = atoi(pb_arg_val);
67       meta_info->ia_mp4_stsz_entries = ia_mp4_stsz_entries;
68       metadata_mp4_stsz_size_free(meta_info);
69       meta_info->ia_mp4_stsz_size =
70           (UWORD32 *)malloc(sizeof(UWORD32) * ia_mp4_stsz_entries);
71       memset(meta_info->ia_mp4_stsz_size, 0,
72              sizeof(UWORD32) * ia_mp4_stsz_entries);
73     }
74     /*
75     else if {
76       //printf("Wrong file order,Check file order");
77       //return -1;
78     }
79     */
80     else if (!strncmp((pCHAR8)cmd, "-playTimeInSamples:", 19)) {
81       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 19);
82       UWORD32 playTimeInSamples = atoi(pb_arg_val);
83       meta_info->playTimeInSamples[i] = playTimeInSamples;
84       i++;
85     }
86 
87     else if (!strncmp((pCHAR8)cmd, "-startOffsetInSamples:", 22)) {
88       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 22);
89       UWORD32 startOffsetInSamples = atoi(pb_arg_val);
90       meta_info->startOffsetInSamples[j] = startOffsetInSamples;
91       j++;
92     }
93 
94     else if (!strncmp((pCHAR8)cmd, "-useEditlist:", 13)) {
95       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 13);
96       UWORD32 useEditlist = atoi(pb_arg_val);
97       meta_info->useEditlist[k] = useEditlist;
98       k++;
99     }
100 
101     else if (!strncmp((pCHAR8)cmd, "-ia_mp4_stsz_size:", 18)) {
102       pCHAR8 pb_arg_val = (pCHAR8)(cmd + 18);
103       UWORD32 ia_mp4_stsz_size = atoi(pb_arg_val);
104       meta_info->ia_mp4_stsz_size[l] = ia_mp4_stsz_size;
105       l++;
106     }
107 
108     else {
109       printf("Command not found");
110       return -1;
111     }
112   }
113 
114   for (; i < MAX_TRACKS_PER_LAYER; i++) {
115     meta_info->playTimeInSamples[i] = 0;
116   }
117 
118   for (; j < MAX_TRACKS_PER_LAYER; j++) {
119     meta_info->startOffsetInSamples[j] = 0;
120   }
121 
122   for (; k < MAX_TRACKS_PER_LAYER; k++) {
123     meta_info->useEditlist[k] = 0;
124   }
125 
126   return 0;
127 }
128 
129 int get_metadata_dec_info_init(metadata_info meta_info) {
130   return meta_info.dec_info_init;
131 }
132 
133 WORD32 get_metadata_dec_exec(metadata_info meta_info, int frame) {
134   if (frame < (int)meta_info.ia_mp4_stsz_entries) {
135     return meta_info.ia_mp4_stsz_size[frame];
136   } else {
137     return 0;
138   }
139 }
140 
141 int get_movie_time_scale(metadata_info meta_info) {
142   return meta_info.movie_time_scale;
143 }
144 
145 int get_media_time_scale(metadata_info meta_info) {
146   return meta_info.media_time_scale;
147 }
148 
149 int get_g_track_count(metadata_info meta_info) {
150   return meta_info.g_track_count;
151 }
152 
153 int get_use_edit_list(metadata_info meta_info) {
154   return meta_info.useEditlist[0];
155 }
156 
157 int get_start_offset_in_samples(metadata_info meta_info) {
158   return meta_info.startOffsetInSamples[0];
159 }
160 
161 int get_play_time_in_samples(metadata_info meta_info) {
162   return meta_info.playTimeInSamples[0];
163 }
164 /*
165 void update_start_offset_in_samples(metadata_info meta_info, int update)
166 {
167 
168         meta_info.startOffsetInSamples[0]=update;
169 }
170 */
171 
172 /*
173 void update_play_time_in_samples(metadata_info meta_info, int update)
174 {
175 
176         meta_info.playTimeInSamples[0]=update;
177 
178 }
179 */
180