libavformat: Rename the applehttp protocol to hls
[ffmpeg.git] / libavformat / librtmp.c
1 /*
2  * RTMP network protocol
3  * Copyright (c) 2010 Howard Chu
4  *
5  * This file is part of Libav.
6  *
7  * Libav is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * Libav is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21
22 /**
23  * @file
24  * RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp
25  */
26
27 #include "libavutil/mathematics.h"
28 #include "avformat.h"
29 #include "url.h"
30
31 #include <librtmp/rtmp.h>
32 #include <librtmp/log.h>
33
34 static void rtmp_log(int level, const char *fmt, va_list args)
35 {
36     switch (level) {
37     default:
38     case RTMP_LOGCRIT:    level = AV_LOG_FATAL;   break;
39     case RTMP_LOGERROR:   level = AV_LOG_ERROR;   break;
40     case RTMP_LOGWARNING: level = AV_LOG_WARNING; break;
41     case RTMP_LOGINFO:    level = AV_LOG_INFO;    break;
42     case RTMP_LOGDEBUG:   level = AV_LOG_VERBOSE; break;
43     case RTMP_LOGDEBUG2:  level = AV_LOG_DEBUG;   break;
44     }
45
46     av_vlog(NULL, level, fmt, args);
47     av_log(NULL, level, "\n");
48 }
49
50 static int rtmp_close(URLContext *s)
51 {
52     RTMP *r = s->priv_data;
53
54     RTMP_Close(r);
55     return 0;
56 }
57
58 /**
59  * Open RTMP connection and verify that the stream can be played.
60  *
61  * URL syntax: rtmp://server[:port][/app][/playpath][ keyword=value]...
62  *             where 'app' is first one or two directories in the path
63  *             (e.g. /ondemand/, /flash/live/, etc.)
64  *             and 'playpath' is a file name (the rest of the path,
65  *             may be prefixed with "mp4:")
66  *
67  *             Additional RTMP library options may be appended as
68  *             space-separated key-value pairs.
69  */
70 static int rtmp_open(URLContext *s, const char *uri, int flags)
71 {
72     RTMP *r = s->priv_data;
73     int rc;
74
75     switch (av_log_get_level()) {
76     default:
77     case AV_LOG_FATAL:   rc = RTMP_LOGCRIT;    break;
78     case AV_LOG_ERROR:   rc = RTMP_LOGERROR;   break;
79     case AV_LOG_WARNING: rc = RTMP_LOGWARNING; break;
80     case AV_LOG_INFO:    rc = RTMP_LOGINFO;    break;
81     case AV_LOG_VERBOSE: rc = RTMP_LOGDEBUG;   break;
82     case AV_LOG_DEBUG:   rc = RTMP_LOGDEBUG2;  break;
83     }
84     RTMP_LogSetLevel(rc);
85     RTMP_LogSetCallback(rtmp_log);
86
87     RTMP_Init(r);
88     if (!RTMP_SetupURL(r, s->filename)) {
89         rc = -1;
90         goto fail;
91     }
92
93     if (flags & AVIO_FLAG_WRITE)
94         RTMP_EnableWrite(r);
95
96     if (!RTMP_Connect(r, NULL) || !RTMP_ConnectStream(r, 0)) {
97         rc = -1;
98         goto fail;
99     }
100
101     s->is_streamed = 1;
102     return 0;
103 fail:
104     return rc;
105 }
106
107 static int rtmp_write(URLContext *s, const uint8_t *buf, int size)
108 {
109     RTMP *r = s->priv_data;
110
111     return RTMP_Write(r, buf, size);
112 }
113
114 static int rtmp_read(URLContext *s, uint8_t *buf, int size)
115 {
116     RTMP *r = s->priv_data;
117
118     return RTMP_Read(r, buf, size);
119 }
120
121 static int rtmp_read_pause(URLContext *s, int pause)
122 {
123     RTMP *r = s->priv_data;
124
125     if (!RTMP_Pause(r, pause))
126         return -1;
127     return 0;
128 }
129
130 static int64_t rtmp_read_seek(URLContext *s, int stream_index,
131                               int64_t timestamp, int flags)
132 {
133     RTMP *r = s->priv_data;
134
135     if (flags & AVSEEK_FLAG_BYTE)
136         return AVERROR(ENOSYS);
137
138     /* seeks are in milliseconds */
139     if (stream_index < 0)
140         timestamp = av_rescale_rnd(timestamp, 1000, AV_TIME_BASE,
141             flags & AVSEEK_FLAG_BACKWARD ? AV_ROUND_DOWN : AV_ROUND_UP);
142
143     if (!RTMP_SendSeek(r, timestamp))
144         return -1;
145     return timestamp;
146 }
147
148 static int rtmp_get_file_handle(URLContext *s)
149 {
150     RTMP *r = s->priv_data;
151
152     return RTMP_Socket(r);
153 }
154
155 URLProtocol ff_librtmp_protocol = {
156     .name                = "rtmp",
157     .url_open            = rtmp_open,
158     .url_read            = rtmp_read,
159     .url_write           = rtmp_write,
160     .url_close           = rtmp_close,
161     .url_read_pause      = rtmp_read_pause,
162     .url_read_seek       = rtmp_read_seek,
163     .url_get_file_handle = rtmp_get_file_handle,
164     .priv_data_size      = sizeof(RTMP),
165     .flags               = URL_PROTOCOL_FLAG_NETWORK,
166 };
167
168 URLProtocol ff_librtmpt_protocol = {
169     .name                = "rtmpt",
170     .url_open            = rtmp_open,
171     .url_read            = rtmp_read,
172     .url_write           = rtmp_write,
173     .url_close           = rtmp_close,
174     .url_read_pause      = rtmp_read_pause,
175     .url_read_seek       = rtmp_read_seek,
176     .url_get_file_handle = rtmp_get_file_handle,
177     .priv_data_size      = sizeof(RTMP),
178     .flags               = URL_PROTOCOL_FLAG_NETWORK,
179 };
180
181 URLProtocol ff_librtmpe_protocol = {
182     .name                = "rtmpe",
183     .url_open            = rtmp_open,
184     .url_read            = rtmp_read,
185     .url_write           = rtmp_write,
186     .url_close           = rtmp_close,
187     .url_read_pause      = rtmp_read_pause,
188     .url_read_seek       = rtmp_read_seek,
189     .url_get_file_handle = rtmp_get_file_handle,
190     .priv_data_size      = sizeof(RTMP),
191     .flags               = URL_PROTOCOL_FLAG_NETWORK,
192 };
193
194 URLProtocol ff_librtmpte_protocol = {
195     .name                = "rtmpte",
196     .url_open            = rtmp_open,
197     .url_read            = rtmp_read,
198     .url_write           = rtmp_write,
199     .url_close           = rtmp_close,
200     .url_read_pause      = rtmp_read_pause,
201     .url_read_seek       = rtmp_read_seek,
202     .url_get_file_handle = rtmp_get_file_handle,
203     .priv_data_size      = sizeof(RTMP),
204     .flags               = URL_PROTOCOL_FLAG_NETWORK,
205 };
206
207 URLProtocol ff_librtmps_protocol = {
208     .name                = "rtmps",
209     .url_open            = rtmp_open,
210     .url_read            = rtmp_read,
211     .url_write           = rtmp_write,
212     .url_close           = rtmp_close,
213     .url_read_pause      = rtmp_read_pause,
214     .url_read_seek       = rtmp_read_seek,
215     .url_get_file_handle = rtmp_get_file_handle,
216     .priv_data_size      = sizeof(RTMP),
217     .flags               = URL_PROTOCOL_FLAG_NETWORK,
218 };