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_interface.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-"
78 set_shortname( "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,
91 DEST_LONGTEXT, true );
94 set_section( N_("Audio"), NULL );
95 add_string( SOUT_CFG_PREFIX "access-audio", "", NULL, ACCESSA_TEXT,
96 ACCESSA_LONGTEXT, true );
97 add_string( SOUT_CFG_PREFIX "mux-audio", "", NULL, MUXA_TEXT,
98 MUXA_LONGTEXT, true );
99 add_string( SOUT_CFG_PREFIX "dst-audio", "", NULL, DESTA_TEXT,
100 DESTA_LONGTEXT, true );
103 set_section( N_("Video"), NULL );
104 add_string( SOUT_CFG_PREFIX "access-video", "", NULL, ACCESSV_TEXT,
105 ACCESSV_LONGTEXT, true );
106 add_string( SOUT_CFG_PREFIX "mux-video", "", NULL, MUXV_TEXT,
107 MUXV_LONGTEXT, true );
108 add_string( SOUT_CFG_PREFIX "dst-video", "", NULL, DESTV_TEXT,
109 DESTV_LONGTEXT, true );
112 set_callbacks( Open, Close );
115 /*****************************************************************************
116 * Exported prototypes
117 *****************************************************************************/
118 static const char *const ppsz_sout_options[] = {
119 "access", "access-audio", "access-video",
120 "mux", "mux-audio", "mux-video",
121 "dst", "dst-audio", "dst-video",
125 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
126 static int Del ( sout_stream_t *, sout_stream_id_t * );
127 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
129 struct sout_stream_sys_t
140 char *psz_access_audio;
141 char *psz_access_video;
148 /*****************************************************************************
150 *****************************************************************************/
151 static int Open( vlc_object_t *p_this )
153 sout_stream_t *p_stream = (sout_stream_t*)p_this;
154 sout_stream_sys_t *p_sys;
157 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
158 p_sys = malloc( sizeof( sout_stream_sys_t ) );
161 p_sys->i_count_audio = 0;
162 p_sys->i_count_video = 0;
164 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
165 p_sys->psz_access = val.psz_string;
166 var_Get( p_stream, SOUT_CFG_PREFIX "access-audio", &val );
167 p_sys->psz_access_audio = val.psz_string;
168 var_Get( p_stream, SOUT_CFG_PREFIX "access-video", &val );
169 p_sys->psz_access_video = val.psz_string;
171 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
172 p_sys->psz_mux = val.psz_string;
173 var_Get( p_stream, SOUT_CFG_PREFIX "mux-audio", &val );
174 p_sys->psz_mux_audio = val.psz_string;
175 var_Get( p_stream, SOUT_CFG_PREFIX "mux-video", &val );
176 p_sys->psz_mux_video = val.psz_string;
178 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
179 p_sys->psz_dst = val.psz_string;
180 var_Get( p_stream, SOUT_CFG_PREFIX "dst-audio", &val );
181 p_sys->psz_dst_audio = val.psz_string;
182 var_Get( p_stream, SOUT_CFG_PREFIX "dst-video", &val );
183 p_sys->psz_dst_video = val.psz_string;
185 p_stream->pf_add = Add;
186 p_stream->pf_del = Del;
187 p_stream->pf_send = Send;
189 p_stream->p_sys = p_sys;
194 /*****************************************************************************
196 *****************************************************************************/
198 static void Close( vlc_object_t * p_this )
200 sout_stream_t *p_stream = (sout_stream_t*)p_this;
201 sout_stream_sys_t *p_sys = p_stream->p_sys;
203 free( p_sys->psz_access );
204 free( p_sys->psz_access_audio );
205 free( p_sys->psz_access_video );
207 free( p_sys->psz_mux );
208 free( p_sys->psz_mux_audio );
209 free( p_sys->psz_mux_video );
211 free( p_sys->psz_dst );
212 free( p_sys->psz_dst_audio );
213 free( p_sys->psz_dst_video );
218 struct sout_stream_id_t
220 sout_input_t *p_input;
224 static char * es_print_url( char *psz_fmt, vlc_fourcc_t i_fourcc, int i_count,
225 char *psz_access, char *psz_mux )
229 if( psz_fmt == NULL || !*psz_fmt )
231 psz_fmt = (char*)"stream-%n-%c.%m";
234 p = psz_dst = malloc( 4096 );
237 memset( p, 0, 4096 );
240 if( *psz_fmt == '\0' )
246 if( *psz_fmt != '%' )
252 if( psz_fmt[1] == 'n' )
254 p += sprintf( p, "%d", i_count );
256 else if( psz_fmt[1] == 'c' )
258 p += sprintf( p, "%4.4s", (char*)&i_fourcc );
260 else if( psz_fmt[1] == 'm' )
262 p += sprintf( p, "%s", psz_mux );
264 else if( psz_fmt[1] == 'a' )
266 p += sprintf( p, "%s", psz_access );
268 else if( psz_fmt[1] != '\0' )
270 p += sprintf( p, "%c%c", psz_fmt[0], psz_fmt[1] );
274 p += sprintf( p, "%c", psz_fmt[0] );
285 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
287 sout_stream_sys_t *p_sys = p_stream->p_sys;
288 sout_instance_t *p_sout = p_stream->p_sout;
289 sout_stream_id_t *id;
295 sout_access_out_t *p_access;
298 /* *** get access name *** */
299 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_access_audio && *p_sys->psz_access_audio )
301 psz_access = p_sys->psz_access_audio;
303 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_access_video && *p_sys->psz_access_video )
305 psz_access = p_sys->psz_access_video;
309 psz_access = p_sys->psz_access;
312 /* *** get mux name *** */
313 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_mux_audio && *p_sys->psz_mux_audio )
315 psz_mux = p_sys->psz_mux_audio;
317 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_mux_video && *p_sys->psz_mux_video )
319 psz_mux = p_sys->psz_mux_video;
323 psz_mux = p_sys->psz_mux;
326 /* Get url (%d expanded as a codec count, %c expanded as codec fcc ) */
327 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_dst_audio && *p_sys->psz_dst_audio )
329 psz_dst = es_print_url( p_sys->psz_dst_audio, p_fmt->i_codec,
330 p_sys->i_count_audio, psz_access, psz_mux );
332 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_dst_video && *p_sys->psz_dst_video )
334 psz_dst = es_print_url( p_sys->psz_dst_video, p_fmt->i_codec,
335 p_sys->i_count_video, psz_access, psz_mux );
340 if( p_fmt->i_cat == VIDEO_ES )
342 i_count = p_sys->i_count_video;
344 else if( p_fmt->i_cat == AUDIO_ES )
346 i_count = p_sys->i_count_audio;
350 i_count = p_sys->i_count;
353 psz_dst = es_print_url( p_sys->psz_dst, p_fmt->i_codec,
354 i_count, psz_access, psz_mux );
358 if( p_fmt->i_cat == VIDEO_ES )
360 p_sys->i_count_video++;
362 else if( p_fmt->i_cat == AUDIO_ES )
364 p_sys->i_count_audio++;
366 msg_Dbg( p_stream, "creating `%s/%s://%s'",
367 psz_access, psz_mux, psz_dst );
369 /* *** find and open appropriate access module *** */
370 p_access = sout_AccessOutNew( p_sout, psz_access, psz_dst );
371 if( p_access == NULL )
373 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
374 psz_access, psz_mux, psz_dst );
375 intf_UserFatal( p_stream, false,
376 _("Streaming / Transcoding failed"),
377 _("There is no suitable stream-output access module for \"%s/%s://%s\"."),
384 /* *** find and open appropriate mux module *** */
385 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
388 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
389 psz_access, psz_mux, psz_dst );
390 intf_UserFatal( p_stream, false,
391 _("Streaming / Transcoding failed"),
392 _("There is no suitable stream-output access module "\
393 "for \"%s/%s://%s\"."),
394 psz_access, psz_mux, psz_dst );
395 sout_AccessOutDelete( p_access );
401 id = malloc( sizeof( sout_stream_id_t ) );
404 sout_MuxDelete( p_mux );
405 sout_AccessOutDelete( p_access );
409 id->p_input = sout_MuxAddStream( p_mux, p_fmt );
411 if( id->p_input == NULL )
413 sout_MuxDelete( p_mux );
414 sout_AccessOutDelete( p_access );
419 if( !sout_AccessOutCanControlPace( p_access ) )
420 p_sout->i_out_pace_nocontrol++;
425 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
427 VLC_UNUSED(p_stream);
428 sout_access_out_t *p_access = id->p_mux->p_access;
429 sout_MuxDelete( id->p_mux );
430 sout_MuxDeleteStream( id->p_mux, id->p_input );
431 if( !sout_AccessOutCanControlPace( p_access ) )
432 p_stream->p_sout->i_out_pace_nocontrol--;
433 sout_AccessOutDelete( p_access );
439 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
442 VLC_UNUSED(p_stream);
443 sout_MuxSendBuffer( id->p_mux, id->p_input, p_buffer );