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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* RTMP network protocol
* Copyright (c) 2010 Howard Chu
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp
*/
#include "libavutil/mathematics.h"
#include "avformat.h"
#include "url.h"
#include <librtmp/rtmp.h>
#include <librtmp/log.h>
static void rtmp_log(int level, const char *fmt, va_list args)
{
switch (level) {
default:
case RTMP_LOGCRIT: level = AV_LOG_FATAL; break;
case RTMP_LOGERROR: level = AV_LOG_ERROR; break;
case RTMP_LOGWARNING: level = AV_LOG_WARNING; break;
case RTMP_LOGINFO: level = AV_LOG_INFO; break;
case RTMP_LOGDEBUG: level = AV_LOG_VERBOSE; break;
case RTMP_LOGDEBUG2: level = AV_LOG_DEBUG; break;
}
av_vlog(NULL, level, fmt, args);
av_log(NULL, level, "\n");
}
static int rtmp_close(URLContext *s)
{
RTMP *r = s->priv_data;
RTMP_Close(r);
return 0;
}
/**
* Open RTMP connection and verify that the stream can be played.
*
* URL syntax: rtmp://server[:port][/app][/playpath][ keyword=value]...
* where 'app' is first one or two directories in the path
* (e.g. /ondemand/, /flash/live/, etc.)
* and 'playpath' is a file name (the rest of the path,
* may be prefixed with "mp4:")
*
* Additional RTMP library options may be appended as
* space-separated key-value pairs.
*/
static int rtmp_open(URLContext *s, const char *uri, int flags)
{
RTMP *r = s->priv_data;
int rc;
switch (av_log_get_level()) {
default:
case AV_LOG_FATAL: rc = RTMP_LOGCRIT; break;
case AV_LOG_ERROR: rc = RTMP_LOGERROR; break;
case AV_LOG_WARNING: rc = RTMP_LOGWARNING; break;
case AV_LOG_INFO: rc = RTMP_LOGINFO; break;
case AV_LOG_VERBOSE: rc = RTMP_LOGDEBUG; break;
case AV_LOG_DEBUG: rc = RTMP_LOGDEBUG2; break;
}
RTMP_LogSetLevel(rc);
RTMP_LogSetCallback(rtmp_log);
RTMP_Init(r);
if (!RTMP_SetupURL(r, s->filename)) {
rc = -1;
goto fail;
}
if (flags & AVIO_FLAG_WRITE)
RTMP_EnableWrite(r);
if (!RTMP_Connect(r, NULL) || !RTMP_ConnectStream(r, 0)) {
rc = -1;
goto fail;
}
s->is_streamed = 1;
return 0;
fail:
return rc;
}
static int rtmp_write(URLContext *s, const uint8_t *buf, int size)
{
RTMP *r = s->priv_data;
return RTMP_Write(r, buf, size);
}
static int rtmp_read(URLContext *s, uint8_t *buf, int size)
{
RTMP *r = s->priv_data;
return RTMP_Read(r, buf, size);
}
static int rtmp_read_pause(URLContext *s, int pause)
{
RTMP *r = s->priv_data;
if (!RTMP_Pause(r, pause))
return -1;
return 0;
}
static int64_t rtmp_read_seek(URLContext *s, int stream_index,
int64_t timestamp, int flags)
{
RTMP *r = s->priv_data;
if (flags & AVSEEK_FLAG_BYTE)
return AVERROR(ENOSYS);
/* seeks are in milliseconds */
if (stream_index < 0)
timestamp = av_rescale_rnd(timestamp, 1000, AV_TIME_BASE,
flags & AVSEEK_FLAG_BACKWARD ? AV_ROUND_DOWN : AV_ROUND_UP);
if (!RTMP_SendSeek(r, timestamp))
return -1;
return timestamp;
}
static int rtmp_get_file_handle(URLContext *s)
{
RTMP *r = s->priv_data;
return RTMP_Socket(r);
}
URLProtocol ff_rtmp_protocol = {
.name = "rtmp",
.url_open = rtmp_open,
.url_read = rtmp_read,
.url_write = rtmp_write,
.url_close = rtmp_close,
.url_read_pause = rtmp_read_pause,
.url_read_seek = rtmp_read_seek,
.url_get_file_handle = rtmp_get_file_handle,
.priv_data_size = sizeof(RTMP),
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
URLProtocol ff_rtmpt_protocol = {
.name = "rtmpt",
.url_open = rtmp_open,
.url_read = rtmp_read,
.url_write = rtmp_write,
.url_close = rtmp_close,
.url_read_pause = rtmp_read_pause,
.url_read_seek = rtmp_read_seek,
.url_get_file_handle = rtmp_get_file_handle,
.priv_data_size = sizeof(RTMP),
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
URLProtocol ff_rtmpe_protocol = {
.name = "rtmpe",
.url_open = rtmp_open,
.url_read = rtmp_read,
.url_write = rtmp_write,
.url_close = rtmp_close,
.url_read_pause = rtmp_read_pause,
.url_read_seek = rtmp_read_seek,
.url_get_file_handle = rtmp_get_file_handle,
.priv_data_size = sizeof(RTMP),
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
URLProtocol ff_rtmpte_protocol = {
.name = "rtmpte",
.url_open = rtmp_open,
.url_read = rtmp_read,
.url_write = rtmp_write,
.url_close = rtmp_close,
.url_read_pause = rtmp_read_pause,
.url_read_seek = rtmp_read_seek,
.url_get_file_handle = rtmp_get_file_handle,
.priv_data_size = sizeof(RTMP),
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
URLProtocol ff_rtmps_protocol = {
.name = "rtmps",
.url_open = rtmp_open,
.url_read = rtmp_read,
.url_write = rtmp_write,
.url_close = rtmp_close,
.url_read_pause = rtmp_read_pause,
.url_read_seek = rtmp_read_seek,
.url_get_file_handle = rtmp_get_file_handle,
.priv_data_size = sizeof(RTMP),
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
|
