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 *****************************************************************************/
29 #include <vlc_input.h>
31 #include <vlc_interface.h>
33 /*****************************************************************************
35 *****************************************************************************/
36 #define ACCESS_TEXT N_("Output access method")
37 #define ACCESS_LONGTEXT N_( \
38 "This is the default output access method that will be used." )
40 #define ACCESSA_TEXT N_("Audio output access method")
41 #define ACCESSA_LONGTEXT N_( \
42 "This is the output access method that will be used for audio." )
43 #define ACCESSV_TEXT N_("Video output access method")
44 #define ACCESSV_LONGTEXT N_( \
45 "This is the output access method that will be used for video." )
47 #define MUX_TEXT N_("Output muxer")
48 #define MUX_LONGTEXT N_( \
49 "This is the default muxer method that will be used." )
50 #define MUXA_TEXT N_("Audio output muxer")
51 #define MUXA_LONGTEXT N_( \
52 "This is the muxer that will be used for audio." )
53 #define MUXV_TEXT N_("Video output muxer")
54 #define MUXV_LONGTEXT N_( \
55 "This is the muxer that will be used for video." )
57 #define DEST_TEXT N_("Output URL")
58 #define DEST_LONGTEXT N_( \
59 "This is the default output URI." )
60 #define DESTA_TEXT N_("Audio output URL")
61 #define DESTA_LONGTEXT N_( \
62 "This is the output URI that will be used for audio." )
63 #define DESTV_TEXT N_("Video output URL")
64 #define DESTV_LONGTEXT N_( \
65 "This is the output URI that will be used for video." )
67 static int Open ( vlc_object_t * );
68 static void Close ( vlc_object_t * );
70 #define SOUT_CFG_PREFIX "sout-es-"
73 set_shortname( "ES" );
74 set_description( _("Elementary stream output") );
75 set_capability( "sout stream", 50 );
77 set_category( CAT_SOUT );
78 set_subcategory( SUBCAT_SOUT_STREAM );
80 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
81 ACCESS_LONGTEXT, VLC_TRUE );
82 add_string( SOUT_CFG_PREFIX "access-audio", "", NULL, ACCESSA_TEXT,
83 ACCESSA_LONGTEXT, VLC_TRUE );
84 add_string( SOUT_CFG_PREFIX "access-video", "", NULL, ACCESSV_TEXT,
85 ACCESSV_LONGTEXT, VLC_TRUE );
87 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
88 MUX_LONGTEXT, VLC_TRUE );
89 add_string( SOUT_CFG_PREFIX "mux-audio", "", NULL, MUXA_TEXT,
90 MUXA_LONGTEXT, VLC_TRUE );
91 add_string( SOUT_CFG_PREFIX "mux-video", "", NULL, MUXV_TEXT,
92 MUXV_LONGTEXT, VLC_TRUE );
94 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DEST_TEXT,
95 DEST_LONGTEXT, VLC_TRUE );
96 add_string( SOUT_CFG_PREFIX "dst-audio", "", NULL, DESTA_TEXT,
97 DESTA_LONGTEXT, VLC_TRUE );
98 add_string( SOUT_CFG_PREFIX "dst-video", "", NULL, DESTV_TEXT,
99 DESTV_LONGTEXT, VLC_TRUE );
101 set_callbacks( Open, Close );
104 /*****************************************************************************
105 * Exported prototypes
106 *****************************************************************************/
107 static const char *ppsz_sout_options[] = {
108 "access", "access-audio", "access-video",
109 "mux", "mux-audio", "mux-video",
110 "dst", "dst-audio", "dst-video",
114 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
115 static int Del ( sout_stream_t *, sout_stream_id_t * );
116 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
118 struct sout_stream_sys_t
129 char *psz_access_audio;
130 char *psz_access_video;
137 /*****************************************************************************
139 *****************************************************************************/
140 static int Open( vlc_object_t *p_this )
142 sout_stream_t *p_stream = (sout_stream_t*)p_this;
143 sout_stream_sys_t *p_sys;
146 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
147 p_sys = malloc( sizeof( sout_stream_sys_t ) );
150 p_sys->i_count_audio = 0;
151 p_sys->i_count_video = 0;
153 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
154 p_sys->psz_access = val.psz_string;
155 var_Get( p_stream, SOUT_CFG_PREFIX "access-audio", &val );
156 p_sys->psz_access_audio = val.psz_string;
157 var_Get( p_stream, SOUT_CFG_PREFIX "access-video", &val );
158 p_sys->psz_access_video = val.psz_string;
160 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
161 p_sys->psz_mux = val.psz_string;
162 var_Get( p_stream, SOUT_CFG_PREFIX "mux-audio", &val );
163 p_sys->psz_mux_audio = val.psz_string;
164 var_Get( p_stream, SOUT_CFG_PREFIX "mux-video", &val );
165 p_sys->psz_mux_video = val.psz_string;
167 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
168 p_sys->psz_dst = val.psz_string;
169 var_Get( p_stream, SOUT_CFG_PREFIX "dst-audio", &val );
170 p_sys->psz_dst_audio = val.psz_string;
171 var_Get( p_stream, SOUT_CFG_PREFIX "dst-video", &val );
172 p_sys->psz_dst_video = val.psz_string;
174 p_stream->pf_add = Add;
175 p_stream->pf_del = Del;
176 p_stream->pf_send = Send;
178 p_stream->p_sys = p_sys;
183 /*****************************************************************************
185 *****************************************************************************/
187 static void Close( vlc_object_t * p_this )
189 sout_stream_t *p_stream = (sout_stream_t*)p_this;
190 sout_stream_sys_t *p_sys = p_stream->p_sys;
192 free( p_sys->psz_access );
193 free( p_sys->psz_access_audio );
194 free( p_sys->psz_access_video );
196 free( p_sys->psz_mux );
197 free( p_sys->psz_mux_audio );
198 free( p_sys->psz_mux_video );
200 free( p_sys->psz_dst );
201 free( p_sys->psz_dst_audio );
202 free( p_sys->psz_dst_video );
207 struct sout_stream_id_t
209 sout_input_t *p_input;
213 static char * es_print_url( char *psz_fmt, vlc_fourcc_t i_fourcc, int i_count,
214 char *psz_access, char *psz_mux )
218 if( psz_fmt == NULL || !*psz_fmt )
220 psz_fmt = "stream-%n-%c.%m";
223 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_instance_t *p_sout = p_stream->p_sout;
276 sout_stream_id_t *id;
282 sout_access_out_t *p_access;
285 /* *** get access name *** */
286 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_access_audio && *p_sys->psz_access_audio )
288 psz_access = p_sys->psz_access_audio;
290 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_access_video && *p_sys->psz_access_video )
292 psz_access = p_sys->psz_access_video;
296 psz_access = p_sys->psz_access;
299 /* *** get mux name *** */
300 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_mux_audio && *p_sys->psz_mux_audio )
302 psz_mux = p_sys->psz_mux_audio;
304 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_mux_video && *p_sys->psz_mux_video )
306 psz_mux = p_sys->psz_mux_video;
310 psz_mux = p_sys->psz_mux;
313 /* Get url (%d expanded as a codec count, %c expanded as codec fcc ) */
314 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_dst_audio && *p_sys->psz_dst_audio )
316 psz_dst = es_print_url( p_sys->psz_dst_audio, p_fmt->i_codec,
317 p_sys->i_count_audio, psz_access, psz_mux );
319 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_dst_video && *p_sys->psz_dst_video )
321 psz_dst = es_print_url( p_sys->psz_dst_video, p_fmt->i_codec,
322 p_sys->i_count_video, psz_access, psz_mux );
327 if( p_fmt->i_cat == VIDEO_ES )
329 i_count = p_sys->i_count_video;
331 else if( p_fmt->i_cat == AUDIO_ES )
333 i_count = p_sys->i_count_audio;
337 i_count = p_sys->i_count;
340 psz_dst = es_print_url( p_sys->psz_dst, p_fmt->i_codec,
341 i_count, psz_access, psz_mux );
345 if( p_fmt->i_cat == VIDEO_ES )
347 p_sys->i_count_video++;
349 else if( p_fmt->i_cat == AUDIO_ES )
351 p_sys->i_count_audio++;
353 msg_Dbg( p_stream, "creating `%s/%s://%s'",
354 psz_access, psz_mux, psz_dst );
356 /* *** find and open appropriate access module *** */
357 p_access = sout_AccessOutNew( p_sout, psz_access, psz_dst );
358 if( p_access == NULL )
360 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
361 psz_access, psz_mux, psz_dst );
362 intf_UserFatal( p_stream, VLC_FALSE,
363 _("Streaming / Transcoding failed"),
364 _("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_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 intf_UserFatal( p_stream, VLC_FALSE,
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 );
385 id = malloc( sizeof( sout_stream_id_t ) );
387 id->p_input = sout_MuxAddStream( p_mux, p_fmt );
389 if( id->p_input == NULL )
393 sout_MuxDelete( p_mux );
394 sout_AccessOutDelete( p_access );
402 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
404 sout_access_out_t *p_access = id->p_mux->p_access;
405 sout_MuxDelete( id->p_mux );
406 sout_MuxDeleteStream( id->p_mux, id->p_input );
407 sout_AccessOutDelete( p_access );
413 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
416 sout_MuxSendBuffer( id->p_mux, id->p_input, p_buffer );