1 /* BlackMagic SDI driver */
7 #include <vlc_common.h>
8 #include <vlc_plugin.h>
10 #include <vlc_demux.h>
11 #include <vlc_access.h>
12 #include <vlc_picture.h>
13 #include <vlc_charset.h>
16 static int Open ( vlc_object_t * );
17 static void Close( vlc_object_t * );
19 #define CACHING_TEXT N_("Caching value in ms")
20 #define CACHING_LONGTEXT N_( \
21 "Caching value for SDI captures. This " \
22 "value should be set in milliseconds." )
25 set_shortname( N_("SDI") )
26 set_description( N_("BlackMagic SDI input") )
27 set_category( CAT_INPUT )
28 set_subcategory( SUBCAT_INPUT_ACCESS )
31 set_capability( "access_demux", 10 )
32 set_callbacks( Open, Close )
35 static int Demux ( demux_t * );
36 static int Control( demux_t *, int, va_list );
42 static int Open( vlc_object_t *p_this )
44 demux_t *p_demux = (demux_t*)p_this;
47 /* Only when selected */
48 if( *p_demux->psz_access == '\0' )
52 p_demux->pf_demux = Demux;
53 p_demux->pf_control = Control;
54 p_demux->info.i_update = 0;
55 p_demux->info.i_title = 0;
56 p_demux->info.i_seekpoint = 0;
57 p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
61 msg_Debug( p_demux, "hello world" );
63 /* Declare elementary streams */
65 es_format_Init( &fmt, VIDEO_ES, p_sys->i_fourcc );
66 fmt.video.i_width = 720;
67 fmt.video.i_height = 576;
68 fmt.video.i_sar_num = 1;
69 fmt.video.i_sar_den = 1;
71 msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
72 (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
73 p_sys->p_es = es_out_Add( p_demux->out, &fmt );
75 /* Update default_pts to a suitable value for access */
76 var_Create( p_demux, "sdi-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
81 static void Close( vlc_object_t *p_this )
83 demux_t *p_demux = (demux_t *)p_this;
84 demux_sys_t *p_sys = p_demux->p_sys;
89 static int Control( demux_t *p_demux, int i_query, va_list args )
96 /* Special for access_demux */
99 case DEMUX_CAN_CONTROL_PACE:
100 pb = (bool*)va_arg( args, bool * );
104 case DEMUX_GET_PTS_DELAY:
105 pi64 = (int64_t*)va_arg( args, int64_t * );
106 *pi64 = var_GetInteger( p_demux, "sdi-caching" ) * 1000;
110 pi64 = (int64_t*)va_arg( args, int64_t * );
111 *pi64 = mdate(); // FIXME
114 /* TODO implement others */
122 static int Demux( demux_t *p_demux )
124 demux_sys_t *p_sys = p_demux->p_sys;