Fixed vc1 packetizer.
[vlc.git] / modules / access_output / rtmp.c
1 /*****************************************************************************
2  * rtmp.c: RTMP output.
3  *****************************************************************************
4  * Copyright (C) URJC - LADyR - Luis Lopez Fernandez
5  *
6  * Author: Miguel Angel Cabrera Moya
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21  *****************************************************************************/
22
23 /*****************************************************************************
24  * Preamble
25  *****************************************************************************/
26 #ifdef HAVE_CONFIG_H
27 # include "config.h"
28 #endif
29
30 #include <vlc_common.h>
31 #include <vlc_plugin.h>
32 #include <vlc_sout.h>
33
34 #include <vlc_network.h> /* DOWN: #include <network.h> */
35 #include <vlc_url.h>
36 #include <vlc_block.h>
37
38 #include "../access/rtmp/rtmp_amf_flv.h"
39
40 /*****************************************************************************
41  * Module descriptor
42  *****************************************************************************/
43
44 #define RTMP_CONNECT_TEXT N_( "Active TCP connection" )
45 #define RTMP_CONNECT_LONGTEXT N_( \
46     "If enabled, VLC will connect to a remote destination instead of " \
47     "waiting for an incoming connection." )
48
49 static int  Open ( vlc_object_t * );
50 static void Close( vlc_object_t * );
51
52 #define SOUT_CFG_PREFIX "sout-rtmp-"
53
54 vlc_module_begin ()
55     set_description( N_("RTMP stream output") )
56     set_shortname( N_("RTMP" ) )
57     set_capability( "sout access", 50 )
58     set_category( CAT_SOUT )
59     set_subcategory( SUBCAT_SOUT_STREAM )
60     add_shortcut( "rtmp" )
61     set_callbacks( Open, Close )
62     add_bool( "rtmp-connect", false, NULL, RTMP_CONNECT_TEXT,
63               RTMP_CONNECT_LONGTEXT, false );
64 vlc_module_end ()
65
66 /*****************************************************************************
67  * Local prototypes
68  *****************************************************************************/
69 static ssize_t Write( sout_access_out_t *, block_t * );
70 static int     Seek ( sout_access_out_t *, off_t  );
71 static void* ThreadControl( vlc_object_t * );
72
73 struct sout_access_out_sys_t
74 {
75     int active;
76
77     /* thread for filtering and handling control messages */
78     rtmp_control_thread_t *p_thread;
79 };
80
81 /*****************************************************************************
82  * Open: open the rtmp connection
83  *****************************************************************************/
84 static int Open( vlc_object_t *p_this )
85 {
86     sout_access_out_t *p_access = (sout_access_out_t *) p_this;
87     sout_access_out_sys_t *p_sys;
88     char *psz, *p;
89     int length_path, length_media_name;
90     int i;
91
92     if( !( p_sys = calloc ( 1, sizeof( sout_access_out_sys_t ) ) ) )
93         return VLC_ENOMEM;
94     p_access->p_sys = p_sys;
95
96     p_sys->p_thread =
97         vlc_object_create( p_access, sizeof( rtmp_control_thread_t ) );
98     if( !p_sys->p_thread )
99         return VLC_ENOMEM;
100     vlc_object_attach( p_sys->p_thread, p_access );
101
102     /* Parse URI - remove spaces */
103     p = psz = strdup( p_access->psz_path );
104     while( ( p = strchr( p, ' ' ) ) != NULL )
105         *p = '+';
106     vlc_UrlParse( &p_sys->p_thread->url, psz, 0 );
107     free( psz );
108
109     if( p_sys->p_thread->url.psz_host == NULL
110         || *p_sys->p_thread->url.psz_host == '\0' )
111     {
112          msg_Warn( p_access, "invalid host" );
113          goto error;
114     }
115
116     if( p_sys->p_thread->url.i_port <= 0 )
117         p_sys->p_thread->url.i_port = 1935;
118
119     if ( p_sys->p_thread->url.psz_path == NULL )
120     {
121         msg_Warn( p_access, "invalid path" );
122         goto error;
123     }
124
125     length_path = strlen( p_sys->p_thread->url.psz_path );
126     char* psz_tmp = strrchr( p_sys->p_thread->url.psz_path, '/' );
127     if( !psz_tmp )
128         goto error;
129     length_media_name = strlen( psz_tmp ) - 1;
130
131     p_sys->p_thread->psz_application = strndup( p_sys->p_thread->url.psz_path + 1, length_path - length_media_name - 2 );
132     p_sys->p_thread->psz_media = strdup( p_sys->p_thread->url.psz_path + ( length_path - length_media_name ) );
133
134     msg_Dbg( p_access, "rtmp: host='%s' port=%d path='%s'",
135              p_sys->p_thread->url.psz_host, p_sys->p_thread->url.i_port, p_sys->p_thread->url.psz_path );
136
137     if( p_sys->p_thread->url.psz_username && *p_sys->p_thread->url.psz_username )
138     {
139         msg_Dbg( p_access, "      user='%s', pwd='%s'",
140                  p_sys->p_thread->url.psz_username, p_sys->p_thread->url.psz_password );
141     }
142
143     /* Initialize thread variables */
144     p_sys->p_thread->b_die = 0;
145     p_sys->p_thread->b_error= 0;
146     p_sys->p_thread->p_fifo_input = block_FifoNew();
147     p_sys->p_thread->p_empty_blocks = block_FifoNew();
148     p_sys->p_thread->has_audio = 0;
149     p_sys->p_thread->has_video = 0;
150     p_sys->p_thread->metadata_received = 0;
151     p_sys->p_thread->first_media_packet = 1;
152     p_sys->p_thread->flv_tag_previous_tag_size = 0x00000000; /* FLV_TAG_FIRST_PREVIOUS_TAG_SIZE */
153
154     p_sys->p_thread->flv_body = rtmp_body_new( -1 );
155     p_sys->p_thread->flv_length_body = 0;
156
157     p_sys->p_thread->chunk_size_recv = 128; /* RTMP_DEFAULT_CHUNK_SIZE */
158     p_sys->p_thread->chunk_size_send = 128; /* RTMP_DEFAULT_CHUNK_SIZE */
159     for(i = 0; i < 64; i++)
160     {
161         memset( &p_sys->p_thread->rtmp_headers_recv[i], 0, sizeof( rtmp_packet_t ) );
162         p_sys->p_thread->rtmp_headers_send[i].length_header = -1;
163         p_sys->p_thread->rtmp_headers_send[i].stream_index = -1;
164         p_sys->p_thread->rtmp_headers_send[i].timestamp = -1;
165         p_sys->p_thread->rtmp_headers_send[i].timestamp_relative = -1;
166         p_sys->p_thread->rtmp_headers_send[i].length_encoded = -1;
167         p_sys->p_thread->rtmp_headers_send[i].length_body = -1;
168         p_sys->p_thread->rtmp_headers_send[i].content_type = -1;
169         p_sys->p_thread->rtmp_headers_send[i].src_dst = -1;
170         p_sys->p_thread->rtmp_headers_send[i].body = NULL;
171     }
172
173     vlc_cond_init( &p_sys->p_thread->wait );
174     vlc_mutex_init( &p_sys->p_thread->lock );
175
176     p_sys->p_thread->result_connect = 1;
177     /* p_sys->p_thread->result_publish = only used on access */
178     p_sys->p_thread->result_play = 1;
179     p_sys->p_thread->result_stop = 0;
180     p_sys->p_thread->fd = -1;
181
182     /* Open connection */
183     if( var_CreateGetBool( p_access, "rtmp-connect" ) > 0 )
184     {
185 #if 0
186         p_sys->p_thread->fd = net_ConnectTCP( p_access,
187                                               p_sys->p_thread->url.psz_host,
188                                               p_sys->p_thread->url.i_port );
189 #endif
190         msg_Err( p_access, "to be implemented" );
191         goto error2;
192     }
193     else
194     {
195         int *p_fd_listen;
196
197         p_sys->active = 0;
198         p_fd_listen = net_ListenTCP( p_access, p_sys->p_thread->url.psz_host,
199                                      p_sys->p_thread->url.i_port );
200         if( p_fd_listen == NULL )
201         {
202             msg_Warn( p_access, "cannot listen to %s port %i",
203                       p_sys->p_thread->url.psz_host,
204                       p_sys->p_thread->url.i_port );
205             goto error2;
206         }
207
208         do
209             p_sys->p_thread->fd = net_Accept( p_access, p_fd_listen, -1 );
210         while( p_sys->p_thread->fd == -1 );
211         net_ListenClose( p_fd_listen );
212
213         if( rtmp_handshake_passive( p_this, p_sys->p_thread->fd ) < 0 )
214         {
215             msg_Err( p_access, "handshake passive failed");
216             goto error2;
217         }
218     }
219
220     if( vlc_thread_create( p_sys->p_thread, "rtmp control thread", ThreadControl,
221                            VLC_THREAD_PRIORITY_INPUT, false ) )
222     {
223         msg_Err( p_access, "cannot spawn rtmp control thread" );
224         goto error2;
225     }
226
227     if( !p_sys->active )
228     {
229         if( rtmp_connect_passive( p_sys->p_thread ) < 0 )
230         {
231             msg_Err( p_access, "connect passive failed");
232             goto error2;
233         }
234     }
235
236     p_access->pf_write = Write;
237     p_access->pf_seek = Seek;
238
239     return VLC_SUCCESS;
240
241 error2:
242     vlc_cond_destroy( &p_sys->p_thread->wait );
243     vlc_mutex_destroy( &p_sys->p_thread->lock );
244
245     free( p_sys->p_thread->psz_application );
246     free( p_sys->p_thread->psz_media );
247
248     if( p_sys->p_thread->fd != -1 )
249         net_Close( p_sys->p_thread->fd );
250 error:
251     vlc_object_detach( p_sys->p_thread );
252     vlc_object_release( p_sys->p_thread );
253
254     vlc_UrlClean( &p_sys->p_thread->url );
255     free( p_sys );
256
257     return VLC_EGENERIC;
258 }
259
260 /*****************************************************************************
261  * Close: close the target
262  *****************************************************************************/
263 static void Close( vlc_object_t * p_this )
264 {
265     sout_access_out_t *p_access = (sout_access_out_t *) p_this;
266     sout_access_out_sys_t *p_sys = p_access->p_sys;
267     int i;
268
269 //    p_sys->p_thread->b_die = true;
270     vlc_object_kill( p_sys->p_thread );
271     block_FifoWake( p_sys->p_thread->p_fifo_input );
272
273     vlc_thread_join( p_sys->p_thread );
274
275     vlc_cond_destroy( &p_sys->p_thread->wait );
276     vlc_mutex_destroy( &p_sys->p_thread->lock );
277
278     block_FifoRelease( p_sys->p_thread->p_fifo_input );
279     block_FifoRelease( p_sys->p_thread->p_empty_blocks );
280
281     for( i = 0; i < 64; i++ ) /* RTMP_HEADER_STREAM_INDEX_MASK */
282     {
283         if( p_sys->p_thread->rtmp_headers_recv[i].body != NULL )
284         {
285             free( p_sys->p_thread->rtmp_headers_recv[i].body->body );
286             free( p_sys->p_thread->rtmp_headers_recv[i].body );
287         }
288     }
289
290     net_Close( p_sys->p_thread->fd );
291
292     vlc_object_detach( p_sys->p_thread );
293     vlc_object_release( p_sys->p_thread );
294
295     vlc_UrlClean( &p_sys->p_thread->url );
296     free( p_sys->p_thread->psz_application );
297     free( p_sys->p_thread->psz_media );
298     free( p_sys );
299 }
300
301 /*****************************************************************************
302  * Write: standard write on a file descriptor.
303  *****************************************************************************/
304 static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
305 {
306     rtmp_packet_t *rtmp_packet;
307     uint8_t *tmp_buffer;
308     ssize_t i_ret;
309     ssize_t i_write = 0;
310
311     if( p_access->p_sys->p_thread->first_media_packet )
312     {
313         /* 13 == FLV_HEADER_SIZE + PreviousTagSize*/
314         memmove( p_buffer->p_buffer, p_buffer->p_buffer + 13, p_buffer->i_buffer - 13 );
315         p_buffer = block_Realloc( p_buffer, 0, p_buffer->i_buffer - 13 );
316
317         p_access->p_sys->p_thread->first_media_packet = 0;
318     }
319
320     while( p_buffer )
321     {
322         block_t *p_next = p_buffer->p_next;
323 //////////////////////////////
324 /*msg_Warn(p_access, "XXXXXXXXXXXXXXXXX");
325 int i;
326 for(i = 0; i < p_buffer->i_buffer; i += 16)
327 {
328     msg_Warn(p_access,"%.2x%.2x %.2x%.2x %.2x%.2x %.2x%.2x %.2x%.2x %.2x%.2x %.2x%.2x %.2x%.2x",
329 p_buffer->p_buffer[i], p_buffer->p_buffer[i+1], p_buffer->p_buffer[i+2], p_buffer->p_buffer[i+3], p_buffer->p_buffer[i+4], p_buffer->p_buffer[i+5], p_buffer->p_buffer[i+6], p_buffer->p_buffer[i+7],
330 p_buffer->p_buffer[i+8], p_buffer->p_buffer[i+9], p_buffer->p_buffer[i+10], p_buffer->p_buffer[i+11], p_buffer->p_buffer[i+12], p_buffer->p_buffer[i+13], p_buffer->p_buffer[i+14], p_buffer->p_buffer[i+15]);
331 }*/
332 ////////////////////////
333         msg_Warn(p_access, "rtmp.c:360 i_dts %"PRIu64" i_pts %"PRIu64,
334                  p_buffer->i_dts, p_buffer->i_pts);
335         rtmp_packet = rtmp_build_flv_over_rtmp( p_access->p_sys->p_thread, p_buffer );
336
337         if( rtmp_packet )
338         {
339             tmp_buffer = rtmp_encode_packet( p_access->p_sys->p_thread, rtmp_packet );
340
341             i_ret = net_Write( p_access->p_sys->p_thread, p_access->p_sys->p_thread->fd, NULL, tmp_buffer, rtmp_packet->length_encoded );
342             if( i_ret != rtmp_packet->length_encoded )
343             {
344                 free( rtmp_packet->body->body );
345                 free( rtmp_packet->body );
346                 free( rtmp_packet );
347                 free( tmp_buffer );
348                 msg_Err( p_access->p_sys->p_thread, "failed send flv packet" );
349                 return -1;
350             }
351             free( rtmp_packet->body->body );
352             free( rtmp_packet->body );
353             free( rtmp_packet );
354             free( tmp_buffer );
355         }
356
357         i_write += p_buffer->i_buffer;
358
359         p_buffer = p_next;
360     }
361
362     return i_write;
363 }
364
365 /********************a*********************************************************
366  * Seek: seek to a specific location in a file
367  *****************************************************************************/
368 static int Seek( sout_access_out_t *p_access, off_t i_pos )
369 {
370     (void)i_pos;
371     msg_Err( p_access, "RTMP sout access cannot seek" );
372     return -1;
373 }
374
375 /*****************************************************************************
376  * ThreadControl: manage control messages and pipe media to Read
377  *****************************************************************************/
378 static void* ThreadControl( vlc_object_t *p_this )
379 {
380     rtmp_control_thread_t *p_thread = (rtmp_control_thread_t *) p_this;
381     rtmp_packet_t *rtmp_packet;
382     int canc = vlc_savecancel ();
383
384     rtmp_init_handler( p_thread->rtmp_handler );
385
386     while( vlc_object_alive (p_thread) )
387     {
388         rtmp_packet = rtmp_read_net_packet( p_thread );
389         if( rtmp_packet != NULL )
390         {
391             if( rtmp_packet->content_type < 0x01 /* RTMP_CONTENT_TYPE_CHUNK_SIZE */
392                 || rtmp_packet->content_type > 0x14 ) /* RTMP_CONTENT_TYPE_INVOKE */
393             {
394                 free( rtmp_packet->body->body );
395                 free( rtmp_packet->body );
396                 free( rtmp_packet );
397
398                 msg_Warn( p_thread, "unknown content type received" );
399             }
400             else
401                 p_thread->rtmp_handler[rtmp_packet->content_type]( p_thread, rtmp_packet );
402         }
403         else
404         {
405             /* Sometimes server close connection too soon */
406             if( p_thread->result_connect )
407             {
408                 vlc_mutex_lock( &p_thread->lock );
409                 vlc_cond_signal( &p_thread->wait );
410                 vlc_mutex_unlock( &p_thread->lock );
411             }
412
413             p_thread->b_die = 1;
414         }
415     }
416     vlc_restorecancel (canc);
417     return NULL;
418 }