1 /*****************************************************************************
2 * es.c: Elementary stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc/input.h>
34 /*****************************************************************************
36 *****************************************************************************/
37 #define ACCESS_TEXT N_("Output access method")
38 #define ACCESS_LONGTEXT N_( \
39 "Allows you to specify the output access method used for the streaming " \
41 #define ACCESSA_TEXT N_("Audio output access method")
42 #define ACCESSA_LONGTEXT N_( \
43 "Allows you to specify the output access method used for the audio " \
45 #define ACCESSV_TEXT N_("Video output access method")
46 #define ACCESSV_LONGTEXT N_( \
47 "Allows you to specify the output access method used for the video " \
50 #define MUX_TEXT N_("Output muxer")
51 #define MUX_LONGTEXT N_( \
52 "Allows you to specify the muxer used for the streaming output." )
53 #define MUXA_TEXT N_("Audio output muxer")
54 #define MUXA_LONGTEXT N_( \
55 "Allows you to specify the muxer used for the audio streaming output." )
56 #define MUXV_TEXT N_("Video output muxer")
57 #define MUXV_LONGTEXT N_( \
58 "Allows you to specify the muxer used for the video streaming output." )
60 #define DEST_TEXT N_("Output URL")
61 #define DEST_LONGTEXT N_( \
62 "Allows you to specify the output URL used for the streaming output." )
63 #define DESTA_TEXT N_("Audio output URL")
64 #define DESTA_LONGTEXT N_( \
65 "Allows you to specify the output URL used for the audio streaming " \
67 #define DESTV_TEXT N_("Video output URL")
68 #define DESTV_LONGTEXT N_( \
69 "Allows you to specify the output URL used for the video streaming " \
72 static int Open ( vlc_object_t * );
73 static void Close ( vlc_object_t * );
75 #define SOUT_CFG_PREFIX "sout-es-"
78 set_shortname( "ES" );
79 set_description( _("Elementary stream output") );
80 set_capability( "sout stream", 50 );
82 set_category( CAT_SOUT );
83 set_subcategory( SUBCAT_SOUT_STREAM );
85 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
86 ACCESS_LONGTEXT, VLC_TRUE );
87 add_string( SOUT_CFG_PREFIX "access-audio", "", NULL, ACCESSA_TEXT,
88 ACCESSA_LONGTEXT, VLC_TRUE );
89 add_string( SOUT_CFG_PREFIX "access-video", "", NULL, ACCESSV_TEXT,
90 ACCESSV_LONGTEXT, VLC_TRUE );
92 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
93 MUX_LONGTEXT, VLC_TRUE );
94 add_string( SOUT_CFG_PREFIX "mux-audio", "", NULL, MUXA_TEXT,
95 MUXA_LONGTEXT, VLC_TRUE );
96 add_string( SOUT_CFG_PREFIX "mux-video", "", NULL, MUXV_TEXT,
97 MUXV_LONGTEXT, VLC_TRUE );
99 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DEST_TEXT,
100 DEST_LONGTEXT, VLC_TRUE );
101 add_string( SOUT_CFG_PREFIX "dst-audio", "", NULL, DESTA_TEXT,
102 DESTA_LONGTEXT, VLC_TRUE );
103 add_string( SOUT_CFG_PREFIX "dst-video", "", NULL, DESTV_TEXT,
104 DESTV_LONGTEXT, VLC_TRUE );
106 set_callbacks( Open, Close );
110 #define FREE( p ) if( p ) { free( p ); (p) = NULL; }
111 /*****************************************************************************
112 * Exported prototypes
113 *****************************************************************************/
114 static const char *ppsz_sout_options[] = {
115 "access", "access-audio", "access-video",
116 "mux", "mux-audio", "mux-video",
117 "dst", "dst-audio", "dst-video",
121 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
122 static int Del ( sout_stream_t *, sout_stream_id_t * );
123 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
125 struct sout_stream_sys_t
136 char *psz_access_audio;
137 char *psz_access_video;
144 /*****************************************************************************
146 *****************************************************************************/
147 static int Open( vlc_object_t *p_this )
149 sout_stream_t *p_stream = (sout_stream_t*)p_this;
150 sout_stream_sys_t *p_sys;
153 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
154 p_sys = malloc( sizeof( sout_stream_sys_t ) );
157 p_sys->i_count_audio = 0;
158 p_sys->i_count_video = 0;
160 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
161 p_sys->psz_access = val.psz_string;
162 var_Get( p_stream, SOUT_CFG_PREFIX "access-audio", &val );
163 p_sys->psz_access_audio = val.psz_string;
164 var_Get( p_stream, SOUT_CFG_PREFIX "access-video", &val );
165 p_sys->psz_access_video = val.psz_string;
167 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
168 p_sys->psz_mux = val.psz_string;
169 var_Get( p_stream, SOUT_CFG_PREFIX "mux-audio", &val );
170 p_sys->psz_mux_audio = val.psz_string;
171 var_Get( p_stream, SOUT_CFG_PREFIX "mux-video", &val );
172 p_sys->psz_mux_video = val.psz_string;
174 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
175 p_sys->psz_dst = val.psz_string;
176 var_Get( p_stream, SOUT_CFG_PREFIX "dst-audio", &val );
177 p_sys->psz_dst_audio = val.psz_string;
178 var_Get( p_stream, SOUT_CFG_PREFIX "dst-video", &val );
179 p_sys->psz_dst_video = val.psz_string;
181 p_stream->pf_add = Add;
182 p_stream->pf_del = Del;
183 p_stream->pf_send = Send;
185 p_stream->p_sys = p_sys;
190 /*****************************************************************************
192 *****************************************************************************/
194 static void Close( vlc_object_t * p_this )
196 sout_stream_t *p_stream = (sout_stream_t*)p_this;
197 sout_stream_sys_t *p_sys = p_stream->p_sys;
199 free( p_sys->psz_access );
200 free( p_sys->psz_access_audio );
201 free( p_sys->psz_access_video );
203 free( p_sys->psz_mux );
204 free( p_sys->psz_mux_audio );
205 free( p_sys->psz_mux_video );
207 free( p_sys->psz_dst );
208 free( p_sys->psz_dst_audio );
209 free( p_sys->psz_dst_video );
214 struct sout_stream_id_t
216 sout_input_t *p_input;
220 static char * es_print_url( char *psz_fmt, vlc_fourcc_t i_fourcc, int i_count,
221 char *psz_access, char *psz_mux )
225 if( psz_fmt == NULL || !*psz_fmt )
227 psz_fmt = "stream-%n-%c.%m";
230 p = psz_dst = malloc( 4096 );
231 memset( p, 0, 4096 );
234 if( *psz_fmt == '\0' )
240 if( *psz_fmt != '%' )
246 if( psz_fmt[1] == 'n' )
248 p += sprintf( p, "%d", i_count );
250 else if( psz_fmt[1] == 'c' )
252 p += sprintf( p, "%4.4s", (char*)&i_fourcc );
254 else if( psz_fmt[1] == 'm' )
256 p += sprintf( p, "%s", psz_mux );
258 else if( psz_fmt[1] == 'a' )
260 p += sprintf( p, "%s", psz_access );
262 else if( psz_fmt[1] != '\0' )
264 p += sprintf( p, "%c%c", psz_fmt[0], psz_fmt[1] );
268 p += sprintf( p, "%c", psz_fmt[0] );
279 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
281 sout_stream_sys_t *p_sys = p_stream->p_sys;
282 sout_instance_t *p_sout = p_stream->p_sout;
283 sout_stream_id_t *id;
289 sout_access_out_t *p_access;
292 /* *** get access name *** */
293 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_access_audio && *p_sys->psz_access_audio )
295 psz_access = p_sys->psz_access_audio;
297 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_access_video && *p_sys->psz_access_video )
299 psz_access = p_sys->psz_access_video;
303 psz_access = p_sys->psz_access;
306 /* *** get mux name *** */
307 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_mux_audio && *p_sys->psz_mux_audio )
309 psz_mux = p_sys->psz_mux_audio;
311 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_mux_video && *p_sys->psz_mux_video )
313 psz_mux = p_sys->psz_mux_video;
317 psz_mux = p_sys->psz_mux;
320 /* Get url (%d expanded as a codec count, %c expanded as codec fcc ) */
321 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_dst_audio && *p_sys->psz_dst_audio )
323 psz_dst = es_print_url( p_sys->psz_dst_audio, p_fmt->i_codec,
324 p_sys->i_count_audio, psz_access, psz_mux );
326 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_dst_video && *p_sys->psz_dst_video )
328 psz_dst = es_print_url( p_sys->psz_dst_video, p_fmt->i_codec,
329 p_sys->i_count_video, psz_access, psz_mux );
334 if( p_fmt->i_cat == VIDEO_ES )
336 i_count = p_sys->i_count_video;
338 else if( p_fmt->i_cat == AUDIO_ES )
340 i_count = p_sys->i_count_audio;
344 i_count = p_sys->i_count;
347 psz_dst = es_print_url( p_sys->psz_dst, p_fmt->i_codec,
348 i_count, psz_access, psz_mux );
352 if( p_fmt->i_cat == VIDEO_ES )
354 p_sys->i_count_video++;
356 else if( p_fmt->i_cat == AUDIO_ES )
358 p_sys->i_count_audio++;
360 msg_Dbg( p_stream, "creating `%s/%s://%s'",
361 psz_access, psz_mux, psz_dst );
363 /* *** find and open appropriate access module *** */
364 p_access = sout_AccessOutNew( p_sout, psz_access, psz_dst );
365 if( p_access == NULL )
367 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
368 psz_access, psz_mux, psz_dst );
372 /* *** find and open appropriate mux module *** */
373 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
376 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
377 psz_access, psz_mux, psz_dst );
378 sout_AccessOutDelete( p_access );
382 id = malloc( sizeof( sout_stream_id_t ) );
384 id->p_input = sout_MuxAddStream( p_mux, p_fmt );
386 if( id->p_input == NULL )
390 sout_MuxDelete( p_mux );
391 sout_AccessOutDelete( p_access );
399 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
401 sout_access_out_t *p_access = id->p_mux->p_access;
403 sout_MuxDeleteStream( id->p_mux, id->p_input );
404 sout_AccessOutDelete( p_access );
410 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
413 sout_MuxSendBuffer( id->p_mux, id->p_input, p_buffer );