/*****************************************************************************
* input_ext-intf.c: services to the interface
*****************************************************************************
- * Copyright (C) 1998, 1999, 2000 VideoLAN
+ * Copyright (C) 1998-2001 VideoLAN
+ * $Id: input_ext-intf.c,v 1.49 2003/05/04 22:42:17 gbazin Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "defs.h"
-
-#include "config.h"
-#include "common.h"
-#include "threads.h"
-#include "mtime.h"
+#include <string.h> /* memcpy(), memset() */
-#include "intf_msg.h"
+#include <vlc/vlc.h>
#include "stream_control.h"
#include "input_ext-dec.h"
#include "input_ext-intf.h"
-
-#include "input.h"
+#include "input_ext-plugins.h"
/*****************************************************************************
* input_SetStatus: change the reading status
*****************************************************************************/
-void input_SetStatus( input_thread_t * p_input, int i_mode )
+void __input_SetStatus( vlc_object_t * p_this, int i_mode )
{
+ input_thread_t *p_input;
+
+ p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
+
+ if( p_input == NULL )
+ {
+ msg_Err( p_this, "no input found" );
+ return;
+ }
+
vlc_mutex_lock( &p_input->stream.stream_lock );
switch( i_mode )
case INPUT_STATUS_END:
p_input->stream.i_new_status = PLAYING_S;
p_input->b_eof = 1;
- intf_Msg( "input: end of stream" );
+ msg_Dbg( p_input, "end of stream" );
break;
case INPUT_STATUS_PLAY:
p_input->stream.i_new_status = PLAYING_S;
- intf_Msg( "input: playing at normal rate" );
+ msg_Dbg( p_input, "playing at normal rate" );
break;
case INPUT_STATUS_PAUSE:
/* XXX: we don't need to check i_status, because input_clock.c
* does it for us */
p_input->stream.i_new_status = PAUSE_S;
- intf_Msg( "input: toggling pause" );
+ msg_Dbg( p_input, "toggling pause" );
break;
case INPUT_STATUS_FASTER:
/* If we are already going too fast, go back to default rate */
if( p_input->stream.control.i_rate * 8 <= DEFAULT_RATE )
{
- p_input->stream.i_new_status = PLAYING_S;
- intf_Msg( "input: playing at normal rate" );
+ msg_Dbg( p_input, "can not play any faster" );
}
else
{
p_input->stream.i_new_status = FORWARD_S;
+ p_input->stream.i_new_rate =
+ p_input->stream.control.i_rate / 2;
- if( p_input->stream.control.i_rate < DEFAULT_RATE
- && p_input->stream.control.i_status == FORWARD_S )
+ if ( p_input->stream.i_new_rate < DEFAULT_RATE )
{
- p_input->stream.i_new_rate =
- p_input->stream.control.i_rate / 2;
+ msg_Dbg( p_input, "playing at %i:1 fast forward",
+ DEFAULT_RATE / p_input->stream.i_new_rate );
+ }
+ else if ( p_input->stream.i_new_rate > DEFAULT_RATE )
+ {
+ msg_Dbg( p_input, "playing at 1:%i slow motion",
+ p_input->stream.i_new_rate / DEFAULT_RATE );
}
- else
+ else if ( p_input->stream.i_new_rate == DEFAULT_RATE )
{
- p_input->stream.i_new_rate = DEFAULT_RATE / 2;
+ p_input->stream.i_new_status = PLAYING_S;
+ msg_Dbg( p_input, "playing at normal rate" );
}
- intf_Msg( "input: playing at %i:1 fast forward",
- DEFAULT_RATE / p_input->stream.i_new_rate );
}
break;
/* If we are already going too slow, go back to default rate */
if( p_input->stream.control.i_rate >= 8 * DEFAULT_RATE )
{
- p_input->stream.i_new_status = PLAYING_S;
- intf_Msg( "input: playing at normal rate" );
+ msg_Dbg( p_input, "can not play any slower" );
}
else
{
p_input->stream.i_new_status = FORWARD_S;
+ p_input->stream.i_new_rate =
+ p_input->stream.control.i_rate * 2;
- if( p_input->stream.control.i_rate > DEFAULT_RATE
- && p_input->stream.control.i_status == FORWARD_S )
+ if ( p_input->stream.i_new_rate < DEFAULT_RATE )
{
- p_input->stream.i_new_rate =
- p_input->stream.control.i_rate * 2;
+ msg_Dbg( p_input, "playing at %i:1 fast forward",
+ DEFAULT_RATE / p_input->stream.i_new_rate );
}
- else
+ else if ( p_input->stream.i_new_rate > DEFAULT_RATE )
{
- p_input->stream.i_new_rate = DEFAULT_RATE * 2;
- }
- intf_Msg( "input: playing at 1:%i slow motion",
+ msg_Dbg( p_input, "playing at 1:%i slow motion",
p_input->stream.i_new_rate / DEFAULT_RATE );
+ }
+ else if ( p_input->stream.i_new_rate == DEFAULT_RATE )
+ {
+ p_input->stream.i_new_status = PLAYING_S;
+ msg_Dbg( p_input, "playing at normal rate" );
+ }
}
break;
default:
+ break;
}
vlc_cond_signal( &p_input->stream.stream_wait );
vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ vlc_object_release( p_input );
}
/*****************************************************************************
- * input_SetRate: change the reading rate
+ * input_Seek: changes the stream postion
*****************************************************************************/
-void input_SetRate( input_thread_t * p_input, int i_mode )
+void __input_Seek( vlc_object_t * p_this, off_t i_position, int i_whence )
{
- ; /* FIXME: stub */
+ input_thread_t *p_input;
+
+ char psz_time1[OFFSETTOTIME_MAX_SIZE];
+ char psz_time2[OFFSETTOTIME_MAX_SIZE];
+
+ p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
+
+ if( p_input == NULL )
+ {
+ msg_Err( p_this, "no input found" );
+ return;
+ }
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+#define A p_input->stream.p_selected_area
+ switch( i_whence & 0x30 )
+ {
+ case INPUT_SEEK_SECONDS:
+ i_position *= (off_t)50 * p_input->stream.i_mux_rate;
+ break;
+
+ case INPUT_SEEK_PERCENT:
+ i_position = A->i_size * i_position / (off_t)100;
+ break;
+
+ case INPUT_SEEK_BYTES:
+ default:
+ break;
+ }
+
+ switch( i_whence & 0x03 )
+ {
+ case INPUT_SEEK_CUR:
+ A->i_seek = A->i_tell + i_position;
+ break;
+
+ case INPUT_SEEK_END:
+ A->i_seek = A->i_size + i_position;
+ break;
+
+ case INPUT_SEEK_SET:
+ default:
+ A->i_seek = i_position;
+ break;
+ }
+
+ if( A->i_seek < 0 )
+ {
+ A->i_seek = 0;
+ }
+ else if( A->i_seek > A->i_size )
+ {
+ A->i_seek = A->i_size;
+ }
+
+ msg_Dbg( p_input, "seeking position "I64Fd"/"I64Fd" (%s/%s)",
+ A->i_seek, A->i_size,
+ input_OffsetToTime( p_input, psz_time1, i_position ),
+ input_OffsetToTime( p_input, psz_time2, A->i_size ) );
+#undef A
+
+ vlc_cond_signal( &p_input->stream.stream_wait );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ vlc_object_release( p_input );
}
-
+
/*****************************************************************************
- * input_Seek: changes the stream postion
+ * input_Tell: requests the stream postion
*****************************************************************************/
-void input_Seek( input_thread_t * p_input, off_t i_position )
+void __input_Tell( vlc_object_t * p_this, stream_position_t * p_position )
{
+ input_thread_t *p_input;
+
+ p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
+
+ if( p_input == NULL )
+ {
+ p_position->i_tell = 0;
+ p_position->i_size = 0;
+ p_position->i_mux_rate = 0;
+ msg_Err( p_this, "no input found" );
+ return;
+ }
+
vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.i_seek = i_position;
- intf_Msg( "input: seeking position %lld/%lld", i_position,
- p_input->stream.i_size );
+#define A p_input->stream.p_selected_area
+ p_position->i_tell = A->i_tell;
+ p_position->i_size = A->i_size;
+ p_position->i_mux_rate = p_input->stream.i_mux_rate;
+#undef A
- vlc_cond_signal( &p_input->stream.stream_wait );
vlc_mutex_unlock( &p_input->stream.stream_lock );
+ vlc_object_release( p_input );
+}
+
+/*****************************************************************************
+ * input_OffsetToTime : converts an off_t value to a time indicator, using
+ * mux_rate
+ *****************************************************************************
+ * BEWARE : this function assumes that you already own the lock on
+ * p_input->stream.stream_lock
+ *****************************************************************************/
+char * input_OffsetToTime( input_thread_t * p_input, char * psz_buffer,
+ off_t i_offset )
+{
+ mtime_t i_seconds;
+
+ if( p_input->stream.i_mux_rate )
+ {
+ i_seconds = i_offset / 50 / p_input->stream.i_mux_rate;
+ snprintf( psz_buffer, OFFSETTOTIME_MAX_SIZE, "%d:%02d:%02d",
+ (int) (i_seconds / (60 * 60)),
+ (int) (i_seconds / 60 % 60),
+ (int) (i_seconds % 60) );
+ return( psz_buffer );
+ }
+ else
+ {
+ /* Divide by zero is not my friend. */
+ sprintf( psz_buffer, "-:--:--" );
+ return( psz_buffer );
+ }
+}
+
+/*****************************************************************************
+ * input_DumpStream: dumps the contents of a stream descriptor
+ *****************************************************************************
+ * BEWARE : this function assumes that you already own the lock on
+ * p_input->stream.stream_lock
+ *****************************************************************************/
+void input_DumpStream( input_thread_t * p_input )
+{
+ char psz_time1[OFFSETTOTIME_MAX_SIZE];
+ char psz_time2[OFFSETTOTIME_MAX_SIZE];
+ unsigned int i, j;
+
+#define S p_input->stream
+ msg_Dbg( p_input, "dumping stream ID 0x%x [OK:%ld/D:%ld]", S.i_stream_id,
+ S.c_packets_read, S.c_packets_trashed );
+ if( S.b_seekable )
+ msg_Dbg( p_input, "seekable stream, position: "I64Fd"/"I64Fd" (%s/%s)",
+ S.p_selected_area->i_tell, S.p_selected_area->i_size,
+ input_OffsetToTime( p_input, psz_time1,
+ S.p_selected_area->i_tell ),
+ input_OffsetToTime( p_input, psz_time2,
+ S.p_selected_area->i_size ) );
+ else
+ msg_Dbg( p_input, "pace %scontrolled", S.b_pace_control ? "" : "un-" );
+#undef S
+ for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
+ {
+#define P p_input->stream.pp_programs[i]
+ msg_Dbg( p_input, "dumping program 0x%x, version %d (%s)",
+ P->i_number, P->i_version,
+ P->b_is_ok ? "complete" : "partial" );
+#undef P
+ for( j = 0; j < p_input->stream.pp_programs[i]->i_es_number; j++ )
+ {
+#define ES p_input->stream.pp_programs[i]->pp_es[j]
+ msg_Dbg( p_input, "ES 0x%x, "
+ "stream 0x%x, fourcc `%4.4s', %s [OK:%ld/ERR:%ld]",
+ ES->i_id, ES->i_stream_id, (char*)&ES->i_fourcc,
+ ES->p_decoder_fifo != NULL ? "selected" : "not selected",
+ ES->c_packets, ES->c_invalid_packets );
+#undef ES
+ }
+ }
+}
+
+/*****************************************************************************
+ * input_ToggleES: answers to a user request with calls to (Un)SelectES
+ *****************************************************************************
+ * Useful since the interface plugins know p_es.
+ * It only works for audio & spu ( to be sure nothing nasty is being done ).
+ * b_select is a boolean to know if we have to select or unselect ES
+ *****************************************************************************/
+int input_ToggleES( input_thread_t * p_input, es_descriptor_t * p_es,
+ vlc_bool_t b_select )
+{
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ if( p_es != NULL )
+ {
+ if( b_select )
+ {
+ p_input->stream.p_newly_selected_es = p_es;
+ }
+ else
+ {
+ p_input->stream.p_removed_es = p_es;
+ }
+ }
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ return 0;
+}
+
+/****************************************************************************
+ * input_ChangeArea: interface request an area change
+ ****************************************************************************/
+int input_ChangeArea( input_thread_t * p_input, input_area_t * p_area )
+{
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ p_input->stream.p_new_area = p_area;
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ return 0;
+}
+
+/****************************************************************************
+ * input_ChangeProgram: interface request a program change
+ ****************************************************************************/
+int input_ChangeProgram( input_thread_t * p_input, uint16_t i_program_number )
+{
+ pgrm_descriptor_t * p_program;
+ vlc_value_t val;
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ p_program = input_FindProgram( p_input, i_program_number );
+
+ if ( p_program == NULL )
+ {
+ msg_Err( p_input, "could not find selected program" );
+ return -1;
+ }
+
+ p_input->stream.p_new_program = p_program;
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ /* Update the navigation variables without triggering a callback */
+ val.i_int = i_program_number;
+ var_Change( p_input, "program", VLC_VAR_SETVALUE, &val, NULL );
+
+ return 0;
+}
+
+/****************************************************************************
+ * input_ToggleGrayscale: change to grayscale or color output
+ ****************************************************************************/
+int input_ToggleGrayscale( input_thread_t * p_input )
+{
+ /* No need to warn the input thread since only the decoders and outputs
+ * worry about it. */
+ vlc_mutex_lock( &p_input->stream.control.control_lock );
+ p_input->stream.control.b_grayscale =
+ !p_input->stream.control.b_grayscale;
+
+ msg_Dbg( p_input, "changing to %s output",
+ p_input->stream.control.b_grayscale ? "grayscale" : "color" );
+
+ vlc_mutex_unlock( &p_input->stream.control.control_lock );
+
+ return 0;
+}
+
+/****************************************************************************
+ * input_ToggleMute: activate/deactivate mute mode
+ ****************************************************************************/
+int input_ToggleMute( input_thread_t * p_input )
+{
+ /* We need to feed the decoders with 0, and only input can do that, so
+ * pass the message to the input thread. */
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+ p_input->stream.b_new_mute = !p_input->stream.control.b_mute;
+
+ msg_Dbg( p_input, "%s mute mode",
+ p_input->stream.control.b_mute ? "activating" : "deactivating" );
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ return 0;
}
projects / vlc / blobdiff