/*****************************************************************************
* input_ext-intf.c: services to the interface
*****************************************************************************
- * Copyright (C) 1998-2001,2003 VideoLAN
- * $Id: input_ext-intf.c,v 1.53 2003/12/03 13:27:51 rocky Exp $
+ * Copyright (C) 1998-2004 VideoLAN
+ * $Id$
*
- * Authors: Christophe Massiot <massiot@via.ecp.fr>
+ * Author: Christophe Massiot <massiot@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "input_ext-intf.h"
#include "input_ext-plugins.h"
-/*****************************************************************************
- * input_SetStatus: change the reading status
- *****************************************************************************/
-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;
- msg_Dbg( p_input, "end of stream" );
- break;
-
- case INPUT_STATUS_PLAY:
- p_input->stream.i_new_status = PLAYING_S;
- 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;
- msg_Dbg( p_input, "toggling pause" );
- break;
-
- case INPUT_STATUS_FASTER:
- if( p_input->stream.control.i_rate * 4 <= DEFAULT_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.i_new_rate < DEFAULT_RATE )
- {
- 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 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;
-
- case INPUT_STATUS_SLOWER:
- if( p_input->stream.control.i_rate >= 8 * DEFAULT_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.i_new_rate < DEFAULT_RATE )
- {
- 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 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 );
-}
-
-void __input_SetRate( vlc_object_t * p_this, int i_rate )
-{
- 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 );
-
- if( i_rate * 8 < DEFAULT_RATE )
- {
- msg_Dbg( p_input, "can not play faster than 8x" );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- return;
- }
- if( i_rate > DEFAULT_RATE * 8 )
- {
- msg_Dbg( p_input, "can not play slower than 1/8x" );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- return;
- }
-
- p_input->stream.i_new_status = FORWARD_S;
- p_input->stream.i_new_rate = i_rate;
-
- if ( p_input->stream.i_new_rate < DEFAULT_RATE )
- {
- 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 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" );
- }
-
- 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
- *****************************************************************************/
-void __input_Seek( vlc_object_t * p_this, off_t i_position, int i_whence )
-{
- input_thread_t *p_input;
-
- char psz_time1[MSTRTIME_MAX_SIZE];
- char psz_time2[MSTRTIME_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_Tell: requests the stream postion
- *****************************************************************************/
-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 );
-
-#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_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
if( p_input->stream.i_mux_rate )
{
i_seconds = i_offset / 50 / p_input->stream.i_mux_rate;
- return secstotimestr( psz_buffer, i_seconds );
+ return secstotimestr( psz_buffer, i_seconds );
}
else
{
}
}
-/*****************************************************************************
- * 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[MSTRTIME_MAX_SIZE];
- char psz_time2[MSTRTIME_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_dec != 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
*****************************************************************************
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;
-}
-
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