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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_input.h>
36 #include <vlc_dialog.h>
38 /*****************************************************************************
40 *****************************************************************************/
41 #define ACCESS_TEXT N_("Output access method")
42 #define ACCESS_LONGTEXT N_( \
43 "This is the default output access method that will be used." )
45 #define ACCESSA_TEXT N_("Audio output access method")
46 #define ACCESSA_LONGTEXT N_( \
47 "This is the output access method that will be used for audio." )
48 #define ACCESSV_TEXT N_("Video output access method")
49 #define ACCESSV_LONGTEXT N_( \
50 "This is the output access method that will be used for video." )
52 #define MUX_TEXT N_("Output muxer")
53 #define MUX_LONGTEXT N_( \
54 "This is the default muxer method that will be used." )
55 #define MUXA_TEXT N_("Audio output muxer")
56 #define MUXA_LONGTEXT N_( \
57 "This is the muxer that will be used for audio." )
58 #define MUXV_TEXT N_("Video output muxer")
59 #define MUXV_LONGTEXT N_( \
60 "This is the muxer that will be used for video." )
62 #define DEST_TEXT N_("Output URL")
63 #define DEST_LONGTEXT N_( \
64 "This is the default output URI." )
65 #define DESTA_TEXT N_("Audio output URL")
66 #define DESTA_LONGTEXT N_( \
67 "This is the output URI that will be used for audio." )
68 #define DESTV_TEXT N_("Video output URL")
69 #define DESTV_LONGTEXT N_( \
70 "This is the output URI that will be used for video." )
72 static int Open ( vlc_object_t * );
73 static void Close ( vlc_object_t * );
75 #define SOUT_CFG_PREFIX "sout-es-"
79 set_description( N_("Elementary stream output") )
80 set_capability( "sout stream", 50 )
82 set_category( CAT_SOUT )
83 set_subcategory( SUBCAT_SOUT_STREAM )
85 set_section( N_("Generic"), NULL )
86 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
87 ACCESS_LONGTEXT, true )
88 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
90 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DEST_TEXT,
93 set_section( N_("Audio"), NULL )
94 add_string( SOUT_CFG_PREFIX "access-audio", "", NULL, ACCESSA_TEXT,
95 ACCESSA_LONGTEXT, true )
96 add_string( SOUT_CFG_PREFIX "mux-audio", "", NULL, MUXA_TEXT,
98 add_string( SOUT_CFG_PREFIX "dst-audio", "", NULL, DESTA_TEXT,
99 DESTA_LONGTEXT, true )
101 set_section( N_("Video"), NULL )
102 add_string( SOUT_CFG_PREFIX "access-video", "", NULL, ACCESSV_TEXT,
103 ACCESSV_LONGTEXT, true )
104 add_string( SOUT_CFG_PREFIX "mux-video", "", NULL, MUXV_TEXT,
105 MUXV_LONGTEXT, true )
106 add_string( SOUT_CFG_PREFIX "dst-video", "", NULL, DESTV_TEXT,
107 DESTV_LONGTEXT, true )
109 set_callbacks( Open, Close )
112 /*****************************************************************************
113 * Exported prototypes
114 *****************************************************************************/
115 static const char *const ppsz_sout_options[] = {
116 "access", "access-audio", "access-video",
117 "mux", "mux-audio", "mux-video",
118 "dst", "dst-audio", "dst-video",
122 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
123 static int Del ( sout_stream_t *, sout_stream_id_t * );
124 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
126 struct sout_stream_sys_t
137 char *psz_access_audio;
138 char *psz_access_video;
145 /*****************************************************************************
147 *****************************************************************************/
148 static int Open( vlc_object_t *p_this )
150 sout_stream_t *p_stream = (sout_stream_t*)p_this;
151 sout_stream_sys_t *p_sys;
154 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
155 p_sys = malloc( sizeof( sout_stream_sys_t ) );
158 p_sys->i_count_audio = 0;
159 p_sys->i_count_video = 0;
161 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
162 p_sys->psz_access = val.psz_string;
163 var_Get( p_stream, SOUT_CFG_PREFIX "access-audio", &val );
164 p_sys->psz_access_audio = val.psz_string;
165 var_Get( p_stream, SOUT_CFG_PREFIX "access-video", &val );
166 p_sys->psz_access_video = val.psz_string;
168 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
169 p_sys->psz_mux = val.psz_string;
170 var_Get( p_stream, SOUT_CFG_PREFIX "mux-audio", &val );
171 p_sys->psz_mux_audio = val.psz_string;
172 var_Get( p_stream, SOUT_CFG_PREFIX "mux-video", &val );
173 p_sys->psz_mux_video = val.psz_string;
175 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
176 p_sys->psz_dst = val.psz_string;
177 var_Get( p_stream, SOUT_CFG_PREFIX "dst-audio", &val );
178 p_sys->psz_dst_audio = val.psz_string;
179 var_Get( p_stream, SOUT_CFG_PREFIX "dst-video", &val );
180 p_sys->psz_dst_video = val.psz_string;
182 p_stream->pf_add = Add;
183 p_stream->pf_del = Del;
184 p_stream->pf_send = Send;
186 p_stream->p_sys = p_sys;
191 /*****************************************************************************
193 *****************************************************************************/
195 static void Close( vlc_object_t * p_this )
197 sout_stream_t *p_stream = (sout_stream_t*)p_this;
198 sout_stream_sys_t *p_sys = p_stream->p_sys;
200 free( p_sys->psz_access );
201 free( p_sys->psz_access_audio );
202 free( p_sys->psz_access_video );
204 free( p_sys->psz_mux );
205 free( p_sys->psz_mux_audio );
206 free( p_sys->psz_mux_video );
208 free( p_sys->psz_dst );
209 free( p_sys->psz_dst_audio );
210 free( p_sys->psz_dst_video );
215 struct sout_stream_id_t
217 sout_input_t *p_input;
221 static char * es_print_url( char *psz_fmt, vlc_fourcc_t i_fourcc, int i_count,
222 char *psz_access, char *psz_mux )
226 if( psz_fmt == NULL || !*psz_fmt )
228 psz_fmt = (char*)"stream-%n-%c.%m";
231 p = psz_dst = malloc( 4096 );
234 memset( p, 0, 4096 );
237 if( *psz_fmt == '\0' )
243 if( *psz_fmt != '%' )
249 if( psz_fmt[1] == 'n' )
251 p += sprintf( p, "%d", i_count );
253 else if( psz_fmt[1] == 'c' )
255 p += sprintf( p, "%4.4s", (char*)&i_fourcc );
257 else if( psz_fmt[1] == 'm' )
259 p += sprintf( p, "%s", psz_mux );
261 else if( psz_fmt[1] == 'a' )
263 p += sprintf( p, "%s", psz_access );
265 else if( psz_fmt[1] != '\0' )
267 p += sprintf( p, "%c%c", psz_fmt[0], psz_fmt[1] );
271 p += sprintf( p, "%c", psz_fmt[0] );
282 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
284 sout_stream_sys_t *p_sys = p_stream->p_sys;
285 sout_instance_t *p_sout = p_stream->p_sout;
286 sout_stream_id_t *id;
292 sout_access_out_t *p_access;
295 /* *** get access name *** */
296 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_access_audio && *p_sys->psz_access_audio )
298 psz_access = p_sys->psz_access_audio;
300 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_access_video && *p_sys->psz_access_video )
302 psz_access = p_sys->psz_access_video;
306 psz_access = p_sys->psz_access;
309 /* *** get mux name *** */
310 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_mux_audio && *p_sys->psz_mux_audio )
312 psz_mux = p_sys->psz_mux_audio;
314 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_mux_video && *p_sys->psz_mux_video )
316 psz_mux = p_sys->psz_mux_video;
320 psz_mux = p_sys->psz_mux;
323 /* Get url (%d expanded as a codec count, %c expanded as codec fcc ) */
324 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_dst_audio && *p_sys->psz_dst_audio )
326 psz_dst = es_print_url( p_sys->psz_dst_audio, p_fmt->i_codec,
327 p_sys->i_count_audio, psz_access, psz_mux );
329 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_dst_video && *p_sys->psz_dst_video )
331 psz_dst = es_print_url( p_sys->psz_dst_video, p_fmt->i_codec,
332 p_sys->i_count_video, psz_access, psz_mux );
337 if( p_fmt->i_cat == VIDEO_ES )
339 i_count = p_sys->i_count_video;
341 else if( p_fmt->i_cat == AUDIO_ES )
343 i_count = p_sys->i_count_audio;
347 i_count = p_sys->i_count;
350 psz_dst = es_print_url( p_sys->psz_dst, p_fmt->i_codec,
351 i_count, psz_access, psz_mux );
355 if( p_fmt->i_cat == VIDEO_ES )
357 p_sys->i_count_video++;
359 else if( p_fmt->i_cat == AUDIO_ES )
361 p_sys->i_count_audio++;
363 msg_Dbg( p_stream, "creating `%s/%s://%s'",
364 psz_access, psz_mux, psz_dst );
366 /* *** find and open appropriate access module *** */
367 p_access = sout_AccessOutNew( p_sout, psz_access, psz_dst );
368 if( p_access == NULL )
370 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
371 psz_access, psz_mux, psz_dst );
372 dialog_Fatal( p_stream,
373 _("Streaming / Transcoding failed"),
374 _("There is no suitable stream-output access module for \"%s/%s://%s\"."),
381 /* *** find and open appropriate mux module *** */
382 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
385 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
386 psz_access, psz_mux, psz_dst );
387 dialog_Fatal( p_stream,
388 _("Streaming / Transcoding failed"),
389 _("There is no suitable stream-output access module "\
390 "for \"%s/%s://%s\"."),
391 psz_access, psz_mux, psz_dst );
392 sout_AccessOutDelete( p_access );
398 id = malloc( sizeof( sout_stream_id_t ) );
401 sout_MuxDelete( p_mux );
402 sout_AccessOutDelete( p_access );
406 id->p_input = sout_MuxAddStream( p_mux, p_fmt );
408 if( id->p_input == NULL )
410 sout_MuxDelete( p_mux );
411 sout_AccessOutDelete( p_access );
416 if( !sout_AccessOutCanControlPace( p_access ) )
417 p_sout->i_out_pace_nocontrol++;
422 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
424 VLC_UNUSED(p_stream);
425 sout_access_out_t *p_access = id->p_mux->p_access;
426 sout_MuxDelete( id->p_mux );
427 sout_MuxDeleteStream( id->p_mux, id->p_input );
428 if( !sout_AccessOutCanControlPace( p_access ) )
429 p_stream->p_sout->i_out_pace_nocontrol--;
430 sout_AccessOutDelete( p_access );
436 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
439 VLC_UNUSED(p_stream);
440 sout_MuxSendBuffer( id->p_mux, id->p_input, p_buffer );