* input_programs.c: es_descriptor_t, pgrm_descriptor_t management
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
- * $Id: input_programs.c,v 1.21 2001/01/07 16:17:58 sam Exp $
+ * $Id: input_programs.c,v 1.41 2001/03/15 01:42:20 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
#include "input_ext-intf.h"
#include "input_ext-dec.h"
#include "input.h"
-#include "input_dec.h"
#include "main.h" /* --noaudio --novideo */
/*****************************************************************************
* input_InitStream: init the stream descriptor of the given input
*****************************************************************************/
-void input_InitStream( input_thread_t * p_input, size_t i_data_len )
+int input_InitStream( input_thread_t * p_input, size_t i_data_len )
{
p_input->stream.i_stream_id = 0;
p_input->stream.pp_es = NULL;
if ( (p_input->stream.p_demux_data = malloc( i_data_len )) == NULL )
{
intf_ErrMsg( "Unable to allocate memory in input_InitStream");
- /* FIXME : find a way to tell if failed */
- return;
+ return 1;
}
memset( p_input->stream.p_demux_data, 0, i_data_len );
}
+
+ return 0;
}
/*****************************************************************************
*****************************************************************************/
void input_EndStream( input_thread_t * p_input )
{
- int i;
-
/* Free all programs and associated ES, and associated decoders. */
- for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
+ while( p_input->stream.i_pgrm_number )
{
- /* Don't put i instead of 0 !! */
input_DelProgram( p_input, p_input->stream.pp_programs[0] );
}
/* Free standalone ES */
- for( i = 0; i < p_input->stream.i_es_number; i++ )
+ while( p_input->stream.i_es_number )
{
input_DelES( p_input, p_input->stream.pp_es[0] );
}
+
+ if( p_input->stream.p_demux_data != NULL )
+ {
+ free( p_input->stream.p_demux_data );
+ }
}
/*****************************************************************************
p_input->stream.pp_programs[i_pgrm_index]->i_es_number = 0;
p_input->stream.pp_programs[i_pgrm_index]->pp_es = NULL;
- p_input->stream.pp_programs[i_pgrm_index]->delta_cr = 0;
- p_input->stream.pp_programs[i_pgrm_index]->delta_absolute = 0;
- p_input->stream.pp_programs[i_pgrm_index]->last_cr = 0;
- p_input->stream.pp_programs[i_pgrm_index]->c_average_count = 0;
+ input_ClockInit( p_input->stream.pp_programs[i_pgrm_index] );
+
p_input->stream.pp_programs[i_pgrm_index]->i_synchro_state
- = SYNCHRO_NOT_STARTED;
- p_input->stream.pp_programs[i_pgrm_index]->b_discontinuity = 0;
+ = SYNCHRO_START;
p_input->stream.pp_programs[i_pgrm_index]->p_vout
= p_input->p_default_vout;
*****************************************************************************/
void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
{
- int i_index, i_pgrm_index;
+ int i_pgrm_index;
ASSERT( p_pgrm );
intf_DbgMsg("Deleting description for pgrm %d", p_pgrm->i_number);
/* Free the structures that describe the es that belongs to that program */
- for( i_index = 0; i_index < p_pgrm->i_es_number; i_index++ )
+ while( p_pgrm->i_es_number )
{
- input_DelES( p_input, p_pgrm->pp_es[i_index] );
+ input_DelES( p_input, p_pgrm->pp_es[0] );
}
/* Free the demux data */
free( p_pgrm );
}
+/*****************************************************************************
+ * input_AddArea: add and init an area descriptor
+ *****************************************************************************
+ * This area descriptor will be referenced in the given stream descriptor
+ *****************************************************************************/
+input_area_t * input_AddArea( input_thread_t * p_input )
+{
+ /* Where to add the pgrm */
+ int i_area_index = p_input->stream.i_area_nb;
+
+ intf_DbgMsg("Adding description for area %d", i_area_index );
+
+ /* Add an entry to the list of program associated with the stream */
+ p_input->stream.i_area_nb++;
+ p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
+ p_input->stream.i_area_nb
+ * sizeof(input_area_t *) );
+ if( p_input->stream.pp_areas == NULL )
+ {
+ intf_ErrMsg( "Unable to realloc memory in input_AddArea" );
+ return( NULL );
+ }
+
+ /* Allocate the structure to store this description */
+ p_input->stream.pp_areas[i_area_index] =
+ malloc( sizeof(input_area_t) );
+ if( p_input->stream.pp_areas[i_area_index] == NULL )
+ {
+ intf_ErrMsg( "Unable to allocate memory in input_AddArea" );
+ return( NULL );
+ }
+
+ /* Init this entry */
+ p_input->stream.pp_areas[i_area_index]->i_id = 0;
+ p_input->stream.pp_areas[i_area_index]->i_start = 0;
+ p_input->stream.pp_areas[i_area_index]->i_size = 0;
+ p_input->stream.pp_areas[i_area_index]->i_tell = 0;
+ p_input->stream.pp_areas[i_area_index]->i_seek = NO_SEEK;
+ p_input->stream.pp_areas[i_area_index]->i_part_nb = 0;
+ p_input->stream.pp_areas[i_area_index]->i_part= 0;
+
+ return p_input->stream.pp_areas[i_area_index];
+}
+
+/*****************************************************************************
+ * input_DelArea: destroy a area descriptor
+ *****************************************************************************
+ * All ES descriptions referenced in the descriptor will be deleted.
+ *****************************************************************************/
+void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
+{
+ int i_area_index;
+
+ ASSERT( p_area );
+
+ intf_DbgMsg("Deleting description for area %d", p_area->i_id );
+
+ /* Find the area in the areas table */
+ for( i_area_index = 0; i_area_index < p_input->stream.i_area_nb;
+ i_area_index++ )
+ {
+ if( p_input->stream.pp_areas[i_area_index] == p_area )
+ break;
+ }
+
+ /* Remove this area from the stream's list of areas */
+ p_input->stream.i_area_nb--;
+
+ p_input->stream.pp_areas[i_area_index] =
+ p_input->stream.pp_areas[p_input->stream.i_area_nb];
+ p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
+ p_input->stream.i_area_nb
+ * sizeof(input_area_t *) );
+
+ if( p_input->stream.i_area_nb && p_input->stream.pp_areas == NULL)
+ {
+ intf_ErrMsg( "input error: unable to realloc area list"
+ " in input_DelArea" );
+ }
+
+ /* Free the description of this area */
+ free( p_area );
+}
+
+
/*****************************************************************************
* input_FindES: returns a pointer to an ES described by its ID
*****************************************************************************/
return( NULL );
}
p_input->stream.pp_es[p_input->stream.i_es_number - 1] = p_es;
- p_es->i_id = i_es_id;
/* Init its values */
- p_es->b_discontinuity = 0;
+ p_es->i_id = i_es_id;
p_es->p_pes = NULL;
p_es->p_decoder_fifo = NULL;
+ p_es->b_audio = 0;
+ p_es->b_spu = 0;
if( i_data_len )
{
/* Kill associated decoder, if any. */
if( p_es->p_decoder_fifo != NULL )
{
- input_EndDecoder( p_es->p_decoder_fifo, p_es->thread_id );
- free( p_es->p_decoder_fifo );
+ input_EndDecoder( p_input, p_es );
}
/* Remove this ES from the description of the program if it is associated to
}
-#ifdef STATS
-/*****************************************************************************
- * input_DumpStream: dumps the contents of a stream descriptor
- *****************************************************************************/
-void input_DumpStream( input_thread_t * p_input )
-{
- int i, j;
-#define S p_input->stream
- intf_Msg( "input info: Dumping stream ID 0x%x", S.i_stream_id );
- if( S.b_seekable )
- intf_Msg( "input info: seekable stream, position: %d/%d",
- S.i_tell, S.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" );
- if( P->i_synchro_state == SYNCHRO_OK )
- intf_Msg( "input info: synchro absolute delta : %lld (jitter : %lld)",
- P->delta_absolute, P->delta_cr );
-#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",
- ES->i_id, ES->i_stream_id, ES->i_type,
- ES->p_decoder_fifo != NULL ? "selected" : "not selected");
-#undef ES
- }
- }
-}
-#endif
-
/*****************************************************************************
* InitDecConfig: initializes a decoder_config_t
*****************************************************************************/
p_config->p_decoder_fifo->i_start = p_config->p_decoder_fifo->i_end = 0;
p_config->p_decoder_fifo->b_die = p_config->p_decoder_fifo->b_error = 0;
p_config->p_decoder_fifo->p_packets_mgt = p_input->p_method_data;
- p_config->p_decoder_fifo->pf_delete_pes =
- p_input->p_plugin->pf_delete_pes;
+ p_config->p_decoder_fifo->pf_delete_pes = p_input->pf_delete_pes;
p_es->p_decoder_fifo = p_config->p_decoder_fifo;
p_config->pf_init_bit_stream = InitBitstream;
+ p_input->stream.i_selected_es_number++;
+
+ p_input->stream.pp_selected_es = realloc(
+ p_input->stream.pp_selected_es,
+ p_input->stream.i_selected_es_number
+ * sizeof(es_descriptor_t *) );
+ if( p_input->stream.pp_selected_es == NULL )
+ {
+ intf_ErrMsg( "Unable to realloc memory in input_SelectES" );
+ return(-1);
+ }
+ p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number - 1]
+ = p_es;
+
return( 0 );
}
/*****************************************************************************
* input_SelectES: selects an ES and spawns the associated decoder
+ *****************************************************************************
+ * Remember we are still supposed to have stream_lock when entering this
+ * function ?
*****************************************************************************/
/* FIXME */
vlc_thread_t adec_CreateThread( void * );
{
/* FIXME ! */
decoder_capabilities_t decoder;
+ void * p_config;
#ifdef DEBUG_INPUT
intf_DbgMsg( "Selecting ES 0x%x", p_es->i_id );
if( p_es->p_decoder_fifo != NULL )
{
- intf_ErrMsg( "ES %d is already selected", p_es->i_id );
+ intf_ErrMsg( "ES 0x%x is already selected", p_es->i_id );
return( -1 );
}
if( p_main->b_audio )
{
decoder.pf_create_thread = adec_CreateThread;
- p_es->thread_id = input_RunDecoder( &decoder,
- (void *)GetAdecConfig( p_input, p_es ) );
+ p_config = (void *)GetAdecConfig( p_input, p_es );
+
+ /* Release the lock, not to block the input thread during
+ * the creation of the thread. */
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+ p_es->thread_id = input_RunDecoder( &decoder, p_config );
+ vlc_mutex_lock( &p_input->stream.stream_lock );
}
break;
if( p_main->b_video )
{
decoder.pf_create_thread = vpar_CreateThread;
- p_es->thread_id = input_RunDecoder( &decoder,
- (void *)GetVdecConfig( p_input, p_es ) );
+ p_config = (void *)GetVdecConfig( p_input, p_es );
+
+ /* Release the lock, not to block the input thread during
+ * the creation of the thread. */
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+ p_es->thread_id = input_RunDecoder( &decoder, p_config );
+ vlc_mutex_lock( &p_input->stream.stream_lock );
}
break;
if( p_main->b_audio )
{
decoder.pf_create_thread = ac3dec_CreateThread;
- p_es->thread_id = input_RunDecoder( &decoder,
- (void *)GetAdecConfig( p_input, p_es ) );
+ p_config = (void *)GetAdecConfig( p_input, p_es );
+
+ /* Release the lock, not to block the input thread during
+ * the creation of the thread. */
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+ p_es->thread_id = input_RunDecoder( &decoder, p_config );
+ vlc_mutex_lock( &p_input->stream.stream_lock );
}
break;
if( p_main->b_video )
{
decoder.pf_create_thread = spudec_CreateThread;
- p_es->thread_id = input_RunDecoder( &decoder,
- (void *)GetVdecConfig( p_input, p_es ) );
+ p_config = (void *)GetVdecConfig( p_input, p_es );
+
+ /* Release the lock, not to block the input thread during
+ * the creation of the thread. */
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+ p_es->thread_id = input_RunDecoder( &decoder, p_config );
+ vlc_mutex_lock( &p_input->stream.stream_lock );
}
break;
default:
- intf_ErrMsg( "Unknown stream type %d", p_es->i_type );
+ intf_ErrMsg( "Unknown stream type 0x%x", p_es->i_type );
return( -1 );
break;
}
- if( p_es->p_decoder_fifo != NULL )
+ if( p_es->thread_id == 0 )
+ {
+ return( -1 );
+ }
+
+ return( 0 );
+}
+
+/*****************************************************************************
+ * input_UnselectES: removes an ES from the list of selected ES
+ *****************************************************************************/
+int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
+{
+
+ int i_index = 0;
+
+#ifdef DEBUG_INPUT
+ intf_DbgMsg( "Unselecting ES 0x%x", p_es->i_id );
+#endif
+
+ if( p_es->p_decoder_fifo == NULL )
+ {
+ intf_ErrMsg( "ES 0x%x is not selected", p_es->i_id );
+ return( -1 );
+ }
+
+ /* Release lock, not to block the input thread. */
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+ input_EndDecoder( p_input, p_es );
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ if( p_es->p_decoder_fifo == NULL )
{
- p_input->stream.i_selected_es_number++;
+ p_input->stream.i_selected_es_number--;
+
+ while( ( i_index < p_input->stream.i_selected_es_number ) &&
+ ( p_input->stream.pp_selected_es[i_index] != p_es ) )
+ {
+ i_index++;
+ }
+
+ p_input->stream.pp_selected_es[i_index] =
+ p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number];
+
p_input->stream.pp_selected_es = realloc(
p_input->stream.pp_selected_es,
p_input->stream.i_selected_es_number
* sizeof(es_descriptor_t *) );
if( p_input->stream.pp_selected_es == NULL )
{
- intf_ErrMsg( "Unable to realloc memory in input_SelectES" );
+ intf_ErrMsg( "Unable to realloc memory in input_UnSelectES" );
return(-1);
}
- p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number - 1]
- = p_es;
}
return( 0 );
}
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