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", "", ACCESS_TEXT,
87 ACCESS_LONGTEXT, true )
88 add_string( SOUT_CFG_PREFIX "mux", "", MUX_TEXT,
90 add_string( SOUT_CFG_PREFIX "dst", "", DEST_TEXT,
93 set_section( N_("Audio"), NULL )
94 add_string( SOUT_CFG_PREFIX "access-audio", "", ACCESSA_TEXT,
95 ACCESSA_LONGTEXT, true )
96 add_string( SOUT_CFG_PREFIX "mux-audio", "", MUXA_TEXT,
98 add_string( SOUT_CFG_PREFIX "dst-audio", "", DESTA_TEXT,
99 DESTA_LONGTEXT, true )
101 set_section( N_("Video"), NULL )
102 add_string( SOUT_CFG_PREFIX "access-video", "", ACCESSV_TEXT,
103 ACCESSV_LONGTEXT, true )
104 add_string( SOUT_CFG_PREFIX "mux-video", "", MUXV_TEXT,
105 MUXV_LONGTEXT, true )
106 add_string( SOUT_CFG_PREFIX "dst-video", "", 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;
153 config_ChainParse( 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 p_sys->psz_access = var_GetString( p_stream, SOUT_CFG_PREFIX "access" );
161 p_sys->psz_access_audio = var_GetString( p_stream, SOUT_CFG_PREFIX "access-audio" );
162 p_sys->psz_access_video = var_GetString( p_stream, SOUT_CFG_PREFIX "access-video" );
164 p_sys->psz_mux = var_GetString( p_stream, SOUT_CFG_PREFIX "mux" );
165 p_sys->psz_mux_audio = var_GetString( p_stream, SOUT_CFG_PREFIX "mux-audio" );
166 p_sys->psz_mux_video = var_GetString( p_stream, SOUT_CFG_PREFIX "mux-video" );
168 p_sys->psz_dst = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
169 p_sys->psz_dst_audio = var_GetString( p_stream, SOUT_CFG_PREFIX "dst-audio" );
170 p_sys->psz_dst_video = var_GetString( p_stream, SOUT_CFG_PREFIX "dst-video" );
172 p_stream->pf_add = Add;
173 p_stream->pf_del = Del;
174 p_stream->pf_send = Send;
176 p_stream->p_sys = p_sys;
181 /*****************************************************************************
183 *****************************************************************************/
185 static void Close( vlc_object_t * p_this )
187 sout_stream_t *p_stream = (sout_stream_t*)p_this;
188 sout_stream_sys_t *p_sys = p_stream->p_sys;
190 free( p_sys->psz_access );
191 free( p_sys->psz_access_audio );
192 free( p_sys->psz_access_video );
194 free( p_sys->psz_mux );
195 free( p_sys->psz_mux_audio );
196 free( p_sys->psz_mux_video );
198 free( p_sys->psz_dst );
199 free( p_sys->psz_dst_audio );
200 free( p_sys->psz_dst_video );
205 struct sout_stream_id_t
207 sout_input_t *p_input;
211 static char * es_print_url( const char *psz_fmt, vlc_fourcc_t i_fourcc, int i_count,
212 const char *psz_access, const char *psz_mux )
216 if( psz_fmt == NULL || !*psz_fmt )
218 psz_fmt = (char*)"stream-%n-%c.%m";
221 p = psz_dst = malloc( 4096 );
224 memset( p, 0, 4096 );
227 if( *psz_fmt == '\0' )
233 if( *psz_fmt != '%' )
239 if( psz_fmt[1] == 'n' )
241 p += sprintf( p, "%d", i_count );
243 else if( psz_fmt[1] == 'c' )
245 p += sprintf( p, "%4.4s", (char*)&i_fourcc );
247 else if( psz_fmt[1] == 'm' )
249 p += sprintf( p, "%s", psz_mux );
251 else if( psz_fmt[1] == 'a' )
253 p += sprintf( p, "%s", psz_access );
255 else if( psz_fmt[1] != '\0' )
257 p += sprintf( p, "%c%c", psz_fmt[0], psz_fmt[1] );
261 p += sprintf( p, "%c", psz_fmt[0] );
272 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
274 sout_stream_sys_t *p_sys = p_stream->p_sys;
275 sout_stream_id_t *id;
277 const char *psz_access;
281 sout_access_out_t *p_access;
284 /* *** get access name *** */
285 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_access_audio && *p_sys->psz_access_audio )
287 psz_access = p_sys->psz_access_audio;
289 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_access_video && *p_sys->psz_access_video )
291 psz_access = p_sys->psz_access_video;
295 psz_access = p_sys->psz_access;
298 /* *** get mux name *** */
299 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_mux_audio && *p_sys->psz_mux_audio )
301 psz_mux = p_sys->psz_mux_audio;
303 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_mux_video && *p_sys->psz_mux_video )
305 psz_mux = p_sys->psz_mux_video;
309 psz_mux = p_sys->psz_mux;
312 /* Get url (%d expanded as a codec count, %c expanded as codec fcc ) */
313 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_dst_audio && *p_sys->psz_dst_audio )
315 psz_dst = es_print_url( p_sys->psz_dst_audio, p_fmt->i_codec,
316 p_sys->i_count_audio, psz_access, psz_mux );
318 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_dst_video && *p_sys->psz_dst_video )
320 psz_dst = es_print_url( p_sys->psz_dst_video, p_fmt->i_codec,
321 p_sys->i_count_video, psz_access, psz_mux );
326 if( p_fmt->i_cat == VIDEO_ES )
328 i_count = p_sys->i_count_video;
330 else if( p_fmt->i_cat == AUDIO_ES )
332 i_count = p_sys->i_count_audio;
336 i_count = p_sys->i_count;
339 psz_dst = es_print_url( p_sys->psz_dst, p_fmt->i_codec,
340 i_count, psz_access, psz_mux );
344 if( p_fmt->i_cat == VIDEO_ES )
346 p_sys->i_count_video++;
348 else if( p_fmt->i_cat == AUDIO_ES )
350 p_sys->i_count_audio++;
352 msg_Dbg( p_stream, "creating `%s/%s://%s'",
353 psz_access, psz_mux, psz_dst );
355 /* *** find and open appropriate access module *** */
356 p_access = sout_AccessOutNew( p_stream, psz_access, psz_dst );
357 if( p_access == NULL )
359 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
360 psz_access, psz_mux, psz_dst );
361 dialog_Fatal( p_stream,
362 _("Streaming / Transcoding failed"),
363 _("There is no suitable stream-output access module for \"%s/%s://%s\"."),
370 /* *** find and open appropriate mux module *** */
371 p_mux = sout_MuxNew( p_stream->p_sout, psz_mux, p_access );
374 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
375 psz_access, psz_mux, psz_dst );
376 dialog_Fatal( p_stream,
377 _("Streaming / Transcoding failed"),
378 _("There is no suitable stream-output access module "\
379 "for \"%s/%s://%s\"."),
380 psz_access, psz_mux, psz_dst );
381 sout_AccessOutDelete( p_access );
387 id = malloc( sizeof( sout_stream_id_t ) );
390 sout_MuxDelete( p_mux );
391 sout_AccessOutDelete( p_access );
395 id->p_input = sout_MuxAddStream( p_mux, p_fmt );
397 if( id->p_input == NULL )
399 sout_MuxDelete( p_mux );
400 sout_AccessOutDelete( p_access );
405 if( !sout_AccessOutCanControlPace( p_access ) )
406 p_stream->p_sout->i_out_pace_nocontrol++;
411 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
413 VLC_UNUSED(p_stream);
414 sout_access_out_t *p_access = id->p_mux->p_access;
416 sout_MuxDeleteStream( id->p_mux, id->p_input );
417 sout_MuxDelete( id->p_mux );
418 if( !sout_AccessOutCanControlPace( p_access ) )
419 p_stream->p_sout->i_out_pace_nocontrol--;
420 sout_AccessOutDelete( p_access );
426 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
429 VLC_UNUSED(p_stream);
430 sout_MuxSendBuffer( id->p_mux, id->p_input, p_buffer );