1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*****************************************************************
|
| AP4 - AP4_FragmentCreator test
|
| Copyright 2002-2014 Axiomatic Systems, LLC
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation; either version 2, or (at your option)
| any later version.
|
| Bento4|GPL is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include "Ap4.h"
#if defined(_WIN32)
#define snprintf _snprintf
#endif
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
if (argc != 8) {
printf("usage: fragmentcreatortest h265|h264|aac <media-input-filename> <track-id> <frames-per-segment>|<segment-duration> <frames-per-second>|0 <output-media-segment-filename-pattern> <output-init-segment-filename>\n");
return 1;
}
// init the variables
const char* input_filename = argv[2];
unsigned int track_id = (unsigned int)strtoul(argv[3], NULL, 10);
double segment_duration = strtod(argv[4], NULL);
double frames_per_second = strtod(argv[5], NULL);
const char* output_media_segment_filename_pattern = argv[6];
const char* output_init_segment_filename = argv[7];
AP4_Result result;
AP4_ByteStream* input_stream = NULL;
result = AP4_FileByteStream::Create(input_filename,
AP4_FileByteStream::STREAM_MODE_READ,
input_stream);
if (AP4_FAILED(result)) {
fprintf(stderr, "ERROR: cannot open video input file (%d)\n", result);
return 1;
}
// instantiate a video segment builder or an audio sergment builder
AP4_VideoSegmentBuilder* video_builder = NULL;
AP4_AacSegmentBuilder* audio_builder = NULL;
AP4_FeedSegmentBuilder* feed_builder = NULL;
if (!strcmp(argv[1], "h265")) {
video_builder = new AP4_HevcSegmentBuilder(track_id, frames_per_second);
feed_builder = video_builder;
} else if (!strcmp(argv[1], "h264")) {
video_builder = new AP4_AvcSegmentBuilder(track_id, frames_per_second);
feed_builder = video_builder;
} else if (!strcmp(argv[1], "aac")) {
audio_builder = new AP4_AacSegmentBuilder(track_id);
feed_builder = audio_builder;
} else {
fprintf(stderr, "ERROR: unsupported media type\n");
return 1;
}
// create a feeder to read from the input and feed the builder
AP4_StreamFeeder stream_feeder(input_stream, *feed_builder);
// parse the input until the end of the stream
unsigned int segment_count = 0;
bool eos = false;
while (!eos) {
result = stream_feeder.Feed();
if (AP4_FAILED(result)) {
if (result != AP4_ERROR_EOS) {
fprintf(stderr, "ERROR: failed to read from stream (%d)\n", result);
break;
}
eos = true;
}
bool flush = false;
if (video_builder) {
if (video_builder->GetSamples().ItemCount() >= (unsigned int)segment_duration ||
(eos && video_builder->GetSamples().ItemCount() != 0)) {
flush = true;
}
} else {
double target_time = (segment_count+1)*segment_duration;
double elapsed_time = (double)(audio_builder->GetMediaDuration()+audio_builder->GetMediaStartTime())/(double)audio_builder->GetTimescale();
if (elapsed_time >= target_time ||
(eos && audio_builder->GetSamples().ItemCount() != 0)) {
flush = true;
}
}
if (flush) {
unsigned int max_name_size = (unsigned int)strlen(output_media_segment_filename_pattern)+256;
char* media_segment_filename = new char[max_name_size+1];
snprintf(media_segment_filename, max_name_size, output_media_segment_filename_pattern, segment_count);
AP4_ByteStream* media_segment_stream = NULL;
result = AP4_FileByteStream::Create(media_segment_filename, AP4_FileByteStream::STREAM_MODE_WRITE, media_segment_stream);
if (AP4_FAILED(result)) {
fprintf(stderr, "ERROR: cannot create media segment file (%d)\n", result);
return 1;
}
feed_builder->WriteMediaSegment(*media_segment_stream, segment_count);
delete[] media_segment_filename;
media_segment_stream->Release();
++segment_count;
}
}
AP4_ByteStream* init_segment_stream = NULL;
result = AP4_FileByteStream::Create(output_init_segment_filename, AP4_FileByteStream::STREAM_MODE_WRITE, init_segment_stream);
if (AP4_FAILED(result)) {
fprintf(stderr, "ERROR: cannot create init segment file (%d)\n", result);
return 1;
}
feed_builder->WriteInitSegment(*init_segment_stream);
init_segment_stream->Release();
// cleanup and exit
if (input_stream) input_stream->Release();
delete video_builder;
delete audio_builder;
return 0;
}
|
