1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: display.c,v 1.1 2003/04/13 20:00:21 fenrir Exp $
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 *, sout_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") );
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;
108 /*****************************************************************************
110 *****************************************************************************/
112 static void Close( vlc_object_t * p_this )
114 sout_stream_t *p_stream = (sout_stream_t*)p_this;
115 sout_stream_sys_t *p_sys = p_stream->p_sys;
117 vlc_object_release( p_sys->p_input );
122 struct sout_stream_id_t
124 es_descriptor_t *p_es;
128 static sout_stream_id_t * Add ( sout_stream_t *p_stream, sout_format_t *p_fmt )
130 sout_stream_sys_t *p_sys = p_stream->p_sys;
131 sout_stream_id_t *id;
133 if( ( p_fmt->i_cat == AUDIO_ES && !p_sys->b_audio )||
134 ( p_fmt->i_cat == VIDEO_ES && !p_sys->b_video ) )
139 id = malloc( sizeof( sout_stream_id_t ) );
141 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
142 id->p_es = input_AddES( p_sys->p_input,
143 NULL, /* no program */
145 0 ); /* no extra data */
149 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
151 msg_Err( p_stream, "cannot create es" );
155 id->p_es->i_stream_id = 1;
156 id->p_es->i_cat = UNKNOWN_ES; //p_fmt->i_cat;
157 id->p_es->i_fourcc = p_fmt->i_fourcc;
158 id->p_es->b_force_decoder = VLC_TRUE;
159 switch( p_fmt->i_cat )
162 id->p_es->p_bitmapinfoheader = NULL;
163 id->p_es->p_waveformatex =
164 malloc( sizeof( WAVEFORMATEX ) + p_fmt->i_extra_data );
165 #define p_wf ((WAVEFORMATEX*)id->p_es->p_waveformatex)
166 p_wf->wFormatTag = WAVE_FORMAT_UNKNOWN;
167 p_wf->nChannels = p_fmt->i_channels;
168 p_wf->nSamplesPerSec = p_fmt->i_sample_rate;
169 p_wf->nAvgBytesPerSec= p_fmt->i_bitrate / 8;
170 p_wf->nBlockAlign = p_fmt->i_block_align;
171 p_wf->wBitsPerSample = 0;
172 p_wf->cbSize = p_fmt->i_extra_data;
173 if( p_fmt->i_extra_data > 0 )
177 p_fmt->i_extra_data );
182 id->p_es->p_waveformatex = NULL;
183 id->p_es->p_bitmapinfoheader = malloc( sizeof( BITMAPINFOHEADER ) + p_fmt->i_extra_data );
184 #define p_bih ((BITMAPINFOHEADER*)id->p_es->p_bitmapinfoheader)
185 p_bih->biSize = sizeof( BITMAPINFOHEADER ) + p_fmt->i_extra_data;
186 p_bih->biWidth = p_fmt->i_width;
187 p_bih->biHeight = p_fmt->i_height;
189 p_bih->biBitCount = 0;
190 p_bih->biCompression = 0;
191 p_bih->biSizeImage = 0;
192 p_bih->biXPelsPerMeter = 0;
193 p_bih->biYPelsPerMeter = 0;
194 p_bih->biClrUsed = 0;
195 p_bih->biClrImportant = 0;
196 if( p_fmt->i_extra_data > 0 )
200 p_fmt->i_extra_data );
205 msg_Err( p_stream, "unknown es type" );
210 if( input_SelectES( p_sys->p_input, id->p_es ) )
212 input_DelES( p_sys->p_input, id->p_es );
213 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
215 msg_Err( p_stream, "cannot select es" );
219 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
224 static int Del ( sout_stream_t *p_stream, sout_stream_id_t *id )
226 sout_stream_sys_t *p_sys = p_stream->p_sys;
228 input_DelES( p_sys->p_input, id->p_es );
235 static int Send ( sout_stream_t *p_stream, sout_stream_id_t *id, sout_buffer_t *p_buffer )
237 sout_stream_sys_t *p_sys = p_stream->p_sys;
241 sout_buffer_t *p_next;
243 data_packet_t *p_data;
245 if( p_buffer->i_size > 0 )
247 if( !( p_pes = input_NewPES( p_sys->p_input->p_method_data ) ) )
249 msg_Err( p_stream, "cannot allocate new PES" );
252 if( !( p_data = input_NewPacket( p_sys->p_input->p_method_data, p_buffer->i_size ) ) )
254 msg_Err( p_stream, "cannot allocate new data_packet" );
257 p_pes->i_dts = p_buffer->i_dts + p_sys->i_delay;
258 p_pes->i_pts = p_buffer->i_pts + p_sys->i_delay;
259 p_pes->p_first = p_pes->p_last = p_data;
260 p_pes->i_nb_data = 1;
261 p_pes->i_pes_size = p_buffer->i_size;
263 p_stream->p_vlc->pf_memcpy( p_data->p_payload_start,
267 if( id->p_es->p_decoder_fifo )
269 input_DecodePES( id->p_es->p_decoder_fifo, p_pes );
273 input_DeletePES( p_sys->p_input->p_method_data, p_pes );
277 /* *** go to next buffer *** */
278 p_next = p_buffer->p_next;
279 sout_BufferDelete( p_stream->p_sout, p_buffer );