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 );
97 add_string( SOUT_CFG_PREFIX "dst-audio", "", NULL, DESTA_TEXT,
98 DESTA_LONGTEXT, VLC_TRUE );
100 add_string( SOUT_CFG_PREFIX "dst-video", "", NULL, DESTV_TEXT,
101 DESTV_LONGTEXT, VLC_TRUE );
104 set_callbacks( Open, Close );
107 /*****************************************************************************
108 * Exported prototypes
109 *****************************************************************************/
110 static const char *ppsz_sout_options[] = {
111 "access", "access-audio", "access-video",
112 "mux", "mux-audio", "mux-video",
113 "dst", "dst-audio", "dst-video",
117 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
118 static int Del ( sout_stream_t *, sout_stream_id_t * );
119 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
121 struct sout_stream_sys_t
132 char *psz_access_audio;
133 char *psz_access_video;
140 /*****************************************************************************
142 *****************************************************************************/
143 static int Open( vlc_object_t *p_this )
145 sout_stream_t *p_stream = (sout_stream_t*)p_this;
146 sout_stream_sys_t *p_sys;
149 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
150 p_sys = malloc( sizeof( sout_stream_sys_t ) );
153 p_sys->i_count_audio = 0;
154 p_sys->i_count_video = 0;
156 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
157 p_sys->psz_access = val.psz_string;
158 var_Get( p_stream, SOUT_CFG_PREFIX "access-audio", &val );
159 p_sys->psz_access_audio = val.psz_string;
160 var_Get( p_stream, SOUT_CFG_PREFIX "access-video", &val );
161 p_sys->psz_access_video = val.psz_string;
163 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
164 p_sys->psz_mux = val.psz_string;
165 var_Get( p_stream, SOUT_CFG_PREFIX "mux-audio", &val );
166 p_sys->psz_mux_audio = val.psz_string;
167 var_Get( p_stream, SOUT_CFG_PREFIX "mux-video", &val );
168 p_sys->psz_mux_video = val.psz_string;
170 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
171 p_sys->psz_dst = val.psz_string;
172 var_Get( p_stream, SOUT_CFG_PREFIX "dst-audio", &val );
173 p_sys->psz_dst_audio = val.psz_string;
174 var_Get( p_stream, SOUT_CFG_PREFIX "dst-video", &val );
175 p_sys->psz_dst_video = val.psz_string;
177 p_stream->pf_add = Add;
178 p_stream->pf_del = Del;
179 p_stream->pf_send = Send;
181 p_stream->p_sys = p_sys;
186 /*****************************************************************************
188 *****************************************************************************/
190 static void Close( vlc_object_t * p_this )
192 sout_stream_t *p_stream = (sout_stream_t*)p_this;
193 sout_stream_sys_t *p_sys = p_stream->p_sys;
195 free( p_sys->psz_access );
196 free( p_sys->psz_access_audio );
197 free( p_sys->psz_access_video );
199 free( p_sys->psz_mux );
200 free( p_sys->psz_mux_audio );
201 free( p_sys->psz_mux_video );
203 free( p_sys->psz_dst );
204 free( p_sys->psz_dst_audio );
205 free( p_sys->psz_dst_video );
210 struct sout_stream_id_t
212 sout_input_t *p_input;
216 static char * es_print_url( char *psz_fmt, vlc_fourcc_t i_fourcc, int i_count,
217 char *psz_access, char *psz_mux )
221 if( psz_fmt == NULL || !*psz_fmt )
223 psz_fmt = "stream-%n-%c.%m";
226 p = psz_dst = malloc( 4096 );
227 memset( p, 0, 4096 );
230 if( *psz_fmt == '\0' )
236 if( *psz_fmt != '%' )
242 if( psz_fmt[1] == 'n' )
244 p += sprintf( p, "%d", i_count );
246 else if( psz_fmt[1] == 'c' )
248 p += sprintf( p, "%4.4s", (char*)&i_fourcc );
250 else if( psz_fmt[1] == 'm' )
252 p += sprintf( p, "%s", psz_mux );
254 else if( psz_fmt[1] == 'a' )
256 p += sprintf( p, "%s", psz_access );
258 else if( psz_fmt[1] != '\0' )
260 p += sprintf( p, "%c%c", psz_fmt[0], psz_fmt[1] );
264 p += sprintf( p, "%c", psz_fmt[0] );
275 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
277 sout_stream_sys_t *p_sys = p_stream->p_sys;
278 sout_instance_t *p_sout = p_stream->p_sout;
279 sout_stream_id_t *id;
285 sout_access_out_t *p_access;
288 /* *** get access name *** */
289 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_access_audio && *p_sys->psz_access_audio )
291 psz_access = p_sys->psz_access_audio;
293 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_access_video && *p_sys->psz_access_video )
295 psz_access = p_sys->psz_access_video;
299 psz_access = p_sys->psz_access;
302 /* *** get mux name *** */
303 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_mux_audio && *p_sys->psz_mux_audio )
305 psz_mux = p_sys->psz_mux_audio;
307 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_mux_video && *p_sys->psz_mux_video )
309 psz_mux = p_sys->psz_mux_video;
313 psz_mux = p_sys->psz_mux;
316 /* Get url (%d expanded as a codec count, %c expanded as codec fcc ) */
317 if( p_fmt->i_cat == AUDIO_ES && p_sys->psz_dst_audio && *p_sys->psz_dst_audio )
319 psz_dst = es_print_url( p_sys->psz_dst_audio, p_fmt->i_codec,
320 p_sys->i_count_audio, psz_access, psz_mux );
322 else if( p_fmt->i_cat == VIDEO_ES && p_sys->psz_dst_video && *p_sys->psz_dst_video )
324 psz_dst = es_print_url( p_sys->psz_dst_video, p_fmt->i_codec,
325 p_sys->i_count_video, psz_access, psz_mux );
330 if( p_fmt->i_cat == VIDEO_ES )
332 i_count = p_sys->i_count_video;
334 else if( p_fmt->i_cat == AUDIO_ES )
336 i_count = p_sys->i_count_audio;
340 i_count = p_sys->i_count;
343 psz_dst = es_print_url( p_sys->psz_dst, p_fmt->i_codec,
344 i_count, psz_access, psz_mux );
348 if( p_fmt->i_cat == VIDEO_ES )
350 p_sys->i_count_video++;
352 else if( p_fmt->i_cat == AUDIO_ES )
354 p_sys->i_count_audio++;
356 msg_Dbg( p_stream, "creating `%s/%s://%s'",
357 psz_access, psz_mux, psz_dst );
359 /* *** find and open appropriate access module *** */
360 p_access = sout_AccessOutNew( p_sout, psz_access, psz_dst );
361 if( p_access == NULL )
363 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
364 psz_access, psz_mux, psz_dst );
365 intf_UserFatal( p_stream, VLC_FALSE,
366 _("Streaming / Transcoding failed"),
367 _("There is no suitable stream-output access module for \"%s/%s://%s\"."),
373 /* *** find and open appropriate mux module *** */
374 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
377 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
378 psz_access, psz_mux, psz_dst );
379 intf_UserFatal( p_stream, VLC_FALSE,
380 _("Streaming / Transcoding failed"),
381 _("There is no suitable stream-output access module "\
382 "for \"%s/%s://%s\"."),
383 psz_access, psz_mux, psz_dst );
384 sout_AccessOutDelete( p_access );
388 id = malloc( sizeof( sout_stream_id_t ) );
390 id->p_input = sout_MuxAddStream( p_mux, p_fmt );
392 if( id->p_input == NULL )
396 sout_MuxDelete( p_mux );
397 sout_AccessOutDelete( p_access );
405 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
407 sout_access_out_t *p_access = id->p_mux->p_access;
408 sout_MuxDelete( id->p_mux );
409 sout_MuxDeleteStream( id->p_mux, id->p_input );
410 sout_AccessOutDelete( p_access );
416 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
419 sout_MuxSendBuffer( id->p_mux, id->p_input, p_buffer );