1 /*****************************************************************************
2 * display.c: display stream output module
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc/input.h>
36 /*****************************************************************************
38 *****************************************************************************/
39 static int Open ( vlc_object_t * );
40 static void Close ( vlc_object_t * );
42 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
43 static int Del ( sout_stream_t *, sout_stream_id_t * );
44 static int Send( sout_stream_t *, sout_stream_id_t *, sout_buffer_t* );
46 /*****************************************************************************
48 *****************************************************************************/
50 set_description( _("Display stream output") );
51 set_capability( "sout stream", 50 );
52 add_shortcut( "display" );
53 set_callbacks( Open, Close );
56 struct sout_stream_sys_t
58 input_thread_t *p_input;
66 /*****************************************************************************
68 *****************************************************************************/
69 static int Open( vlc_object_t *p_this )
71 sout_stream_t *p_stream = (sout_stream_t*)p_this;
72 sout_stream_sys_t *p_sys;
74 p_sys = malloc( sizeof( sout_stream_sys_t ) );
75 p_sys->p_input = vlc_object_find( p_stream, VLC_OBJECT_INPUT, FIND_ANYWHERE );
78 msg_Err( p_stream, "cannot find p_input" );
83 p_sys->b_audio = VLC_TRUE;
84 p_sys->b_video = VLC_TRUE;
85 p_sys->i_delay = 100*1000;
86 if( sout_cfg_find( p_stream->p_cfg, "noaudio" ) )
88 p_sys->b_audio = VLC_FALSE;
90 if( sout_cfg_find( p_stream->p_cfg, "novideo" ) )
92 p_sys->b_video = VLC_FALSE;
94 if( ( val = sout_cfg_find_value( p_stream->p_cfg, "delay" ) ) )
96 p_sys->i_delay = (mtime_t)atoi( val ) * (mtime_t)1000;
99 p_stream->pf_add = Add;
100 p_stream->pf_del = Del;
101 p_stream->pf_send = Send;
103 p_stream->p_sys = p_sys;
105 /* update p_sout->i_out_pace_nocontrol */
106 p_stream->p_sout->i_out_pace_nocontrol++;
111 /*****************************************************************************
113 *****************************************************************************/
114 static void Close( vlc_object_t * p_this )
116 sout_stream_t *p_stream = (sout_stream_t*)p_this;
117 sout_stream_sys_t *p_sys = p_stream->p_sys;
119 /* update p_sout->i_out_pace_nocontrol */
120 p_stream->p_sout->i_out_pace_nocontrol--;
122 vlc_object_release( p_sys->p_input );
127 struct sout_stream_id_t
129 es_descriptor_t *p_es;
132 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
134 sout_stream_sys_t *p_sys = p_stream->p_sys;
135 sout_stream_id_t *id;
137 if( ( p_fmt->i_cat == AUDIO_ES && !p_sys->b_audio )||
138 ( p_fmt->i_cat == VIDEO_ES && !p_sys->b_video ) )
143 id = malloc( sizeof( sout_stream_id_t ) );
145 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
146 id->p_es = input_AddES( p_sys->p_input,
147 NULL, /* no program */
149 p_fmt->i_cat, /* es category */
150 NULL, /* description */
151 0 ); /* no extra data */
155 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
157 msg_Err( p_stream, "cannot create es" );
161 id->p_es->i_stream_id = 1;
162 id->p_es->i_fourcc = p_fmt->i_codec;
163 id->p_es->b_force_decoder = VLC_TRUE;
165 es_format_Copy( &id->p_es->fmt, p_fmt );
167 if( input_SelectES( p_sys->p_input, id->p_es ) )
169 input_DelES( p_sys->p_input, id->p_es );
170 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
172 msg_Err( p_stream, "cannot select es" );
176 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
181 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
183 sout_stream_sys_t *p_sys = p_stream->p_sys;
185 input_DelES( p_sys->p_input, id->p_es );
192 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
193 sout_buffer_t *p_buffer )
195 sout_stream_sys_t *p_sys = p_stream->p_sys;
199 sout_buffer_t *p_next;
202 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
203 if( id->p_es->p_dec && p_buffer->i_size > 0 &&
204 (p_block = block_New( p_stream, p_buffer->i_size )) )
206 p_block->i_dts = p_buffer->i_dts <= 0 ? 0 :
207 p_buffer->i_dts + p_sys->i_delay;
208 p_block->i_pts = p_buffer->i_pts <= 0 ? 0 :
209 p_buffer->i_pts + p_sys->i_delay;
211 p_stream->p_vlc->pf_memcpy( p_block->p_buffer,
212 p_buffer->p_buffer, p_buffer->i_size );
214 input_DecodeBlock( id->p_es->p_dec, p_block );
216 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
218 /* *** go to next buffer *** */
219 p_next = p_buffer->p_next;
220 sout_BufferDelete( p_stream->p_sout, p_buffer );