/*****************************************************************************
* 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 1.32 2001/12/30 07:09:56 sam Exp $
*
- * Authors:
+ * Authors: 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
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "defs.h"
+#include <string.h> /* memcpy(), memset() */
+#include <sys/types.h> /* off_t */
-#include "config.h"
-#include "common.h"
-#include "threads.h"
-#include "mtime.h"
-
-#include "intf_msg.h"
+#include <videolan/vlc.h>
#include "stream_control.h"
#include "input_ext-dec.h"
#include "input_ext-intf.h"
+#include "input_ext-plugins.h"
+
+/*****************************************************************************
+ * input_SetStatus: change the reading status
+ *****************************************************************************/
+void input_SetStatus( input_thread_t * p_input, int i_mode )
+{
+ 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" );
+ break;
+
+ case INPUT_STATUS_PLAY:
+ p_input->stream.i_new_status = PLAYING_S;
+ intf_Msg( "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" );
+ 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" );
+ }
+ else
+ {
+ p_input->stream.i_new_status = FORWARD_S;
+
+ if( p_input->stream.control.i_rate < DEFAULT_RATE
+ && p_input->stream.control.i_status == FORWARD_S )
+ {
+ p_input->stream.i_new_rate =
+ p_input->stream.control.i_rate / 2;
+ }
+ else
+ {
+ p_input->stream.i_new_rate = DEFAULT_RATE / 2;
+ }
+ intf_Msg( "input: playing at %i:1 fast forward",
+ DEFAULT_RATE / p_input->stream.i_new_rate );
+ }
+ break;
+
+ case INPUT_STATUS_SLOWER:
+ /* 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" );
+ }
+ else
+ {
+ p_input->stream.i_new_status = FORWARD_S;
-#include "input.h"
+ if( p_input->stream.control.i_rate > DEFAULT_RATE
+ && p_input->stream.control.i_status == FORWARD_S )
+ {
+ p_input->stream.i_new_rate =
+ p_input->stream.control.i_rate * 2;
+ }
+ else
+ {
+ p_input->stream.i_new_rate = DEFAULT_RATE * 2;
+ }
+ intf_Msg( "input: playing at 1:%i slow motion",
+ p_input->stream.i_new_rate / DEFAULT_RATE );
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ vlc_cond_signal( &p_input->stream.stream_wait );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+}
/*****************************************************************************
- * input_Play: comes back to the normal pace of reading
+ * input_Seek: changes the stream postion
*****************************************************************************/
-void input_Play( input_thread_t * p_input )
+void input_Seek( input_thread_t * p_input, off_t i_position )
{
- intf_Msg( "Playing normally" );
+ char psz_time1[OFFSETTOTIME_MAX_SIZE];
+ char psz_time2[OFFSETTOTIME_MAX_SIZE];
+
vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.i_new_status = PLAYING_S;
+ p_input->stream.p_selected_area->i_seek = i_position;
+
+ intf_WarnMsg( 3, "input: seeking position %lld/%lld (%s/%s)", i_position,
+ p_input->stream.p_selected_area->i_size,
+ input_OffsetToTime( p_input, psz_time1, i_position ),
+ input_OffsetToTime( p_input, psz_time2,
+ p_input->stream.p_selected_area->i_size ) );
+
+ vlc_cond_signal( &p_input->stream.stream_wait );
vlc_mutex_unlock( &p_input->stream.stream_lock );
}
/*****************************************************************************
- * input_Forward: manages fast forward and slow motion
+ * input_OffsetToTime : converts an off_t value to a time indicator, using
+ * mux_rate
*****************************************************************************
- * Note that if i_rate > DEFAULT_RATE, the pace is slower.
+ * BEWARE : this function assumes that you already own the lock on
+ * p_input->stream.stream_lock
*****************************************************************************/
-void input_Forward( input_thread_t * p_input, int i_rate )
+char * input_OffsetToTime( input_thread_t * p_input, char * psz_buffer,
+ off_t i_offset )
{
- intf_Msg( "Forward enabled" );
+ 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 )
+{
+ int i, j;
+ char psz_time1[OFFSETTOTIME_MAX_SIZE];
+ char psz_time2[OFFSETTOTIME_MAX_SIZE];
+
+#define S p_input->stream
+ intf_Msg( "input info: Dumping stream ID 0x%x [OK:%d/D:%d]", S.i_stream_id,
+ S.c_packets_read, S.c_packets_trashed );
+ if( S.b_seekable )
+ intf_Msg( "input info: seekable stream, position: %lld/%lld (%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
+ intf_Msg( "input info: %s", S.b_pace_control ? "pace controlled" :
+ "pace un-controlled" );
+#undef S
+ for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
+ {
+#define P p_input->stream.pp_programs[i]
+ intf_Msg( "input info: 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]
+ intf_Msg( "input info: ES 0x%x, stream 0x%x, type 0x%x, %s [OK:%d/ERR:%d]",
+ ES->i_id, ES->i_stream_id, ES->i_type,
+ ES->p_decoder_fifo != NULL ? "selected" : "not selected",
+ ES->c_packets, ES->c_invalid_packets );
+#undef ES
+ }
+ }
+}
+
+/*****************************************************************************
+ * input_ChangeES: answers to a user request with calls to (Un)SelectES
+ *****************************************************************************
+ * Useful since the interface plugins know p_es
+ * This functon is deprecated, use input_ToggleEs instead.
+ *****************************************************************************/
+int input_ChangeES( input_thread_t * p_input, es_descriptor_t * p_es,
+ u8 i_cat )
+{
+ int i_index;
+ int i;
+
+ i_index = -1;
+
vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.i_new_status = FORWARD_S;
- p_input->stream.i_new_rate = i_rate;
+
+ for( i = 0 ; i < p_input->stream.i_selected_es_number ; i++ )
+ {
+ if( p_input->stream.pp_selected_es[i]->i_cat == i_cat )
+ {
+ i_index = i;
+ break;
+ }
+ }
+
+
+ if( p_es != NULL )
+ {
+
+
+ if( i_index != -1 )
+ {
+
+ if( p_input->stream.pp_selected_es[i_index] != p_es )
+ {
+ input_UnselectES( p_input,
+ p_input->stream.pp_selected_es[i_index] );
+ input_SelectES( p_input, p_es );
+ intf_WarnMsg( 3, "input info: es selected -> %s (0x%x)",
+ p_es->psz_desc, p_es->i_id );
+ }
+ }
+ else
+ {
+ input_SelectES( p_input, p_es );
+ intf_WarnMsg( 3, "input info: es selected -> %s (0x%x)",
+ p_es->psz_desc, p_es->i_id );
+ }
+ }
+ else
+ {
+ if( i_index != -1 )
+ {
+ intf_WarnMsg( 3, "input info: es unselected -> %s (0x%x)",
+ p_input->stream.pp_selected_es[i_index]->psz_desc,
+ p_input->stream.pp_selected_es[i_index]->i_id );
+
+ input_UnselectES( p_input,
+ p_input->stream.pp_selected_es[i_index] );
+ }
+ }
+
vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ return 0;
}
+
+/*****************************************************************************
+ * 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,
+ boolean_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 an area change
+ ****************************************************************************/
+int input_ChangeProgram( input_thread_t * p_input,
+ pgrm_descriptor_t * p_program )
+{
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ p_input->stream.p_new_program = p_program;
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ 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;
+
+ intf_WarnMsg( 3, "input warning: 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;
+
+ intf_WarnMsg( 3, "input warning: %s mute mode",
+ p_input->stream.control.b_mute ? "activating" : "deactivating" );
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ return 0;
+}
+
+/****************************************************************************
+ * input_SetSMP: change the number of video decoder threads
+ ****************************************************************************/
+int input_SetSMP( input_thread_t * p_input, int i_smp )
+{
+ /* No need to warn the input thread since only the decoders
+ * worry about it. */
+ vlc_mutex_lock( &p_input->stream.control.control_lock );
+ p_input->stream.control.i_smp = i_smp;
+ vlc_mutex_unlock( &p_input->stream.control.control_lock );
+
+ return 0;
+}
+
projects / vlc / blobdiff