-/*******************************************************************************
- * netlist.c: input thread
- * (c)1998 VideoLAN
- *******************************************************************************
- * Manages the TS and PES netlists (see netlist.h).
- *******************************************************************************/
-
-/*******************************************************************************
+/*****************************************************************************
+ * dvd_netlist.c: netlist management v2
+ *****************************************************************************
+ * There is only one major change from input_netlist.c (1) : data is now a
+ * pointer to an offset in iovec ; and iovec has a reference counter. It
+ * will only be given back to netlist when refcount is zero.
+ *****************************************************************************
+ * Copyright (C) 1998-2001 VideoLAN
+ * $Id: input_netlist.c,v 1.45 2001/11/28 15:08:06 massiot Exp $
+ *
+ * Authors: Henri Fallon <henri@videolan.org>
+ * Stéphane Borel <stef@videolan.org>
+ *
+ * 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
+ * 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
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
* Preamble
- *******************************************************************************/
-#include <pthread.h>
-#include <sys/uio.h>
+ *****************************************************************************/
+#include "defs.h"
+
#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
+#include <string.h> /* memcpy(), memset() */
+#include <sys/types.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#if defined( WIN32 )
+# include <io.h> /* read() */
+#else
+# include <sys/uio.h> /* struct iovec */
+#endif
-#include "common.h"
#include "config.h"
+#include "common.h"
+#include "intf_msg.h" /* intf_*Msg */
+#include "threads.h" /* mutex */
#include "mtime.h"
-#include "intf_msg.h"
-#include "debug.h"
-#include "input.h"
-#include "input_netlist.h"
-/******************************************************************************
+#if defined( WIN32 )
+# include "input_iovec.h"
+#endif
+
+#include "stream_control.h"
+#include "input_ext-intf.h"
+#include "input_ext-dec.h"
+#include "input_ext-plugins.h"
+
+/*****************************************************************************
* Local prototypes
- ******************************************************************************/
+ *****************************************************************************/
-/******************************************************************************
- * input_NetlistOpen: initialize the netlists buffers
- ******************************************************************************/
-int input_NetlistOpen( input_thread_t *p_input )
+/*****************************************************************************
+ * input_NetlistInit: allocates netlist buffers and init indexes
+ * ---
+ * Changes from input_NetList: we have to give the length of the buffer which
+ * is different from i_nb_data now, since we may have several data pointers
+ * in one iovec. Thus we can only delete an iovec when its refcount is 0.
+ * We only received a buffer with a GetIovec whereas NewPacket gives a pointer.
+ *****************************************************************************/
+int input_NetlistInit( input_thread_t * p_input,
+ int i_nb_iovec, int i_nb_data, int i_nb_pes,
+ size_t i_buffer_size, int i_read_once )
{
- int i_base, i_packets, i_iovec;
+ unsigned int i_loop;
+ netlist_t * p_netlist;
- /* Initialize running indexes. */
-#ifdef INPUT_LIFO_TS_NETLIST
- p_input->netlist.i_ts_index = INPUT_TS_READ_ONCE;
-#else
- p_input->netlist.i_ts_start = 0;
- p_input->netlist.i_ts_end = 0;
-#endif
-#ifdef INPUT_LIFO_PES_NETLIST
- p_input->netlist.i_pes_index = 1; /* We allocate one PES at a time */
-#else
- p_input->netlist.i_pes_start = 0;
- p_input->netlist.i_pes_end = 0;
-#endif
+ /* First we allocate and initialise our netlist struct */
+ p_input->p_method_data = malloc(sizeof(netlist_t));
+ if ( p_input->p_method_data == NULL )
+ {
+ intf_ErrMsg("Unable to malloc the netlist struct");
+ return (-1);
+ }
- /* Initialize all iovec from the TS netlist with the length of a packet */
- for( i_iovec = 0; i_iovec < INPUT_MAX_TS + INPUT_TS_READ_ONCE; i_iovec++ )
+ p_netlist = (netlist_t *) p_input->p_method_data;
+
+ /* Nb of packets read once by input */
+ p_netlist->i_read_once = i_read_once;
+
+ /* In order to optimize netlist, we are taking i_nb_data a 2^i
+ * so that modulo is an "&".
+ * This is not changing i_nb data outside this function except in
+ * the netlist_t struct */
+ /* As i_loop is unsigned int, and i_ns_data int, this shouldn't be a
+ * problem */
+ for( i_loop = 1; i_loop < i_nb_data; i_loop *= 2 )
{
- p_input->netlist.p_ts_free[i_iovec].iov_len = TS_PACKET_SIZE;
+ ;
}
- /* Allocate a big piece of memory to contain the INPUT_MAX_TS TS packets */
- if( ( p_input->netlist.p_ts_packets = malloc( (INPUT_MAX_TS + 1)
- * sizeof(ts_packet_t) ) ) == NULL )
+ intf_DbgMsg( "Netlist : Required %i byte, got %u",i_nb_data,i_loop );
+ i_nb_data = i_loop;
+
+ /* Same thing for i_nb_pes */
+ for( i_loop = 1; i_loop < i_nb_pes; i_loop *= 2 )
{
- intf_ErrMsg("input error: can't allocate TS netlist buffer (%s)\n",
- strerror(errno) );
- return( -1 );
+ ;
}
- /* Allocate a big piece of memory to contain the INPUT_MAX_PES PES packets */
- if( !( p_input->netlist.p_pes_packets = malloc( (INPUT_MAX_PES + 1)
- * sizeof(pes_packet_t) ) ) )
+ intf_DbgMsg( "Netlist : Required %i byte, got %u",i_nb_pes,i_loop );
+ i_nb_pes = i_loop;
+
+ /* Same thing for i_nb_iovec */
+ for( i_loop = 1; i_loop < i_nb_iovec; i_loop *= 2 )
{
- intf_ErrMsg("input error: can't allocate PES netlist buffer (%s)\n",
- strerror(errno) );
- free( p_input->netlist.p_ts_packets );
- return( -1 );
+ ;
}
- /* Insert TS packets into the TS netlist */
-#ifdef INPUT_LIFO_TS_NETLIST
- i_base = p_input->netlist.i_ts_index;
-#else
- i_base = p_input->netlist.i_ts_start;
-#endif
- /* i_base is now the base address to locate free packets in the netlist */
+ intf_DbgMsg( "Netlist : Required %i byte, got %u",i_nb_iovec,i_loop );
+ i_nb_iovec = i_loop;
+
+ /* allocate the buffers */
+ p_netlist->p_buffers = malloc( i_nb_iovec *i_buffer_size );
+ if ( p_netlist->p_buffers == NULL )
+ {
+ intf_ErrMsg ("Unable to malloc in netlist initialization (1)");
+ free( p_netlist );
+ return -1;
+ }
+
+ /* table of pointers to data packets */
+ p_netlist->p_data = malloc( i_nb_data *sizeof(data_packet_t) );
+ if ( p_netlist->p_data == NULL )
+ {
+ intf_ErrMsg ("Unable to malloc in netlist initialization (2)");
+ free( p_netlist->p_buffers );
+ free( p_netlist );
+ return -1;
+ }
+
+ /* table of pointer to PES packets */
+ p_netlist->p_pes = malloc( i_nb_pes *sizeof(pes_packet_t) );
+ if ( p_netlist->p_pes == NULL )
+ {
+ intf_ErrMsg ("Unable to malloc in netlist initialization (3)");
+ free( p_netlist->p_buffers );
+ free( p_netlist->p_data );
+ free( p_netlist );
+ return -1;
+ }
+
+ /* allocate the FIFOs : tables of free pointers */
+ p_netlist->pp_free_data =
+ malloc( i_nb_data *sizeof(data_packet_t *) );
+ if ( p_netlist->pp_free_data == NULL )
+ {
+ intf_ErrMsg ("Unable to malloc in netlist initialization (4)");
+ free( p_netlist->p_buffers );
+ free( p_netlist->p_data );
+ free( p_netlist->p_pes );
+ free( p_netlist );
+ return -1;
+ }
+ p_netlist->pp_free_pes =
+ malloc( i_nb_pes *sizeof(pes_packet_t *) );
+ if ( p_netlist->pp_free_pes == NULL )
+ {
+ intf_ErrMsg ("Unable to malloc in netlist initialization (5)");
+ free( p_netlist->p_buffers );
+ free( p_netlist->p_data );
+ free( p_netlist->p_pes );
+ free( p_netlist->pp_free_data );
+ free( p_netlist );
+ return -1;
+ }
+
+ p_netlist->p_free_iovec =
+ malloc( (i_nb_iovec + p_netlist->i_read_once) * sizeof(struct iovec) );
+ if ( p_netlist->p_free_iovec == NULL )
+ {
+ intf_ErrMsg ("Unable to malloc in DVD netlist initialization (6)");
+ free( p_netlist->p_buffers );
+ free( p_netlist->p_data );
+ free( p_netlist->p_pes );
+ free( p_netlist->pp_free_data );
+ free( p_netlist->pp_free_pes );
+ free( p_netlist );
+ return -1;
+ }
- for( i_packets = 0; i_packets < INPUT_MAX_TS + 1; i_packets++ )
+ /* table for reference counter of iovecs */
+ p_netlist->pi_refcount = malloc( i_nb_iovec *sizeof(int) );
+ if ( p_netlist->pi_refcount == NULL )
{
- p_input->netlist.p_ts_free[i_base + i_packets].iov_base
- = (p_input->netlist.p_ts_packets + i_packets);
- /* Initialize TS length. */
- (p_input->netlist.p_ts_packets[i_packets]).i_payload_end = TS_PACKET_SIZE;
+ intf_ErrMsg ("Unable to malloc in DVD netlist initialization (7)");
+ free( p_netlist->p_buffers );
+ free( p_netlist->p_data );
+ free( p_netlist->p_pes );
+ free( p_netlist->pp_free_data );
+ free( p_netlist->pp_free_pes );
+ free( p_netlist->p_free_iovec );
+ free( p_netlist );
+ return -1;
}
- /* Insert PES packets into the netlist */
-#ifdef INPUT_LIFO_PES_NETLIST
- i_base = p_input->netlist.i_pes_index;
-#else
- i_base = p_input->netlist.i_pes_start;
+ /* Fill the data FIFO */
+ for ( i_loop = 0; i_loop < i_nb_data; i_loop++ )
+ {
+ p_netlist->pp_free_data[i_loop] =
+ p_netlist->p_data + i_loop;
+
+ /* by default, one data packet for one buffer */
+ if( i_nb_data == i_nb_iovec )
+ {
+ p_netlist->pp_free_data[i_loop]->p_buffer =
+ p_netlist->p_buffers + i_loop * i_buffer_size;
+
+ p_netlist->pp_free_data[i_loop]->p_payload_start =
+ p_netlist->pp_free_data[i_loop]->p_buffer;
+
+ p_netlist->pp_free_data[i_loop]->p_payload_end =
+ p_netlist->pp_free_data[i_loop]->p_buffer + i_buffer_size;
+ }
+ }
+
+ /* Fill the PES FIFO */
+ for ( i_loop = 0; i_loop < i_nb_pes ; i_loop++ )
+ {
+ p_netlist->pp_free_pes[i_loop] =
+ p_netlist->p_pes + i_loop;
+ }
+
+ /* Deal with the iovec */
+ for ( i_loop = 0; i_loop < i_nb_iovec; i_loop++ )
+ {
+ p_netlist->p_free_iovec[i_loop].iov_base =
+ p_netlist->p_buffers + i_loop * i_buffer_size;
+
+ p_netlist->p_free_iovec[i_loop].iov_len = i_buffer_size;
+ }
+
+ /* initialize reference counters */
+ memset( p_netlist->pi_refcount, 0, i_nb_iovec *sizeof(int) );
+
+ /* vlc_mutex_init */
+ vlc_mutex_init (&p_netlist->lock);
+
+ /* initialize indexes */
+ p_netlist->i_iovec_start = 0;
+ p_netlist->i_iovec_end = i_nb_iovec - 1;
+
+ p_netlist->i_data_start = 0;
+ p_netlist->i_data_end = i_nb_data - 1;
+
+ p_netlist->i_pes_start = 0;
+ p_netlist->i_pes_end = i_nb_pes - 1;
+
+ /* we give (nb - 1) to use & instead of %
+ * if you really need nb you have to add 1 */
+ p_netlist->i_nb_iovec = i_nb_iovec - 1;
+ p_netlist->i_nb_data = i_nb_data - 1;
+ p_netlist->i_nb_pes = i_nb_pes - 1;
+ p_netlist->i_buffer_size = i_buffer_size;
+
+ return 0; /* Everything went all right */
+}
+
+/*****************************************************************************
+ * input_NetlistGetiovec: returns an iovec pointer for a readv() operation
+ *****************************************************************************
+ * We return an iovec vector, so that readv can read many packets at a time.
+ * pp_data will be set to direct to the fifo pointer in DVDMviovec, which
+ * will allow us to get the corresponding data_packet.
+ *****************************************************************************/
+struct iovec * input_NetlistGetiovec( void * p_method_data )
+{
+ netlist_t * p_netlist;
+
+ /* cast */
+ p_netlist = (netlist_t *)p_method_data;
+
+ /* check that we have enough free iovec */
+ if( (
+ (p_netlist->i_iovec_end - p_netlist->i_iovec_start)
+ & p_netlist->i_nb_iovec ) < p_netlist->i_read_once )
+ {
+ intf_WarnMsg( 12, "input info: waiting for free iovec" );
+ msleep( INPUT_IDLE_SLEEP );
+
+ while( (
+ (p_netlist->i_iovec_end - p_netlist->i_iovec_start)
+ & p_netlist->i_nb_iovec ) < p_netlist->i_read_once )
+ {
+ msleep( INPUT_IDLE_SLEEP );
+ }
+
+ intf_WarnMsg( 12, "input info: found free iovec" );
+ }
+
+ if( (
+ (p_netlist->i_data_end - p_netlist->i_data_start)
+ & p_netlist->i_nb_data ) < p_netlist->i_read_once )
+ {
+ intf_WarnMsg( 12, "input info: waiting for free data packet" );
+ msleep( INPUT_IDLE_SLEEP );
+
+ while( (
+ (p_netlist->i_data_end - p_netlist->i_data_start)
+ & p_netlist->i_nb_data ) < p_netlist->i_read_once )
+ {
+ msleep( INPUT_IDLE_SLEEP );
+ }
+
+ intf_WarnMsg( 12, "input info: found free data packet" );
+ }
+
+ /* readv only takes contiguous buffers
+ * so, as a solution, we chose to have a FIFO a bit longer
+ * than i_nb_data, and copy the begining of the FIFO to its end
+ * if the readv needs to go after the end */
+ if( p_netlist->i_nb_iovec - p_netlist->i_iovec_start + 1 <
+ p_netlist->i_read_once )
+ {
+ memcpy( &p_netlist->p_free_iovec[p_netlist->i_nb_iovec + 1],
+ p_netlist->p_free_iovec,
+ (p_netlist->i_read_once -
+ (p_netlist->i_nb_iovec + 1 - p_netlist->i_iovec_start))
+ * sizeof(struct iovec)
+ );
+
+ }
+
+ return p_netlist->p_free_iovec + p_netlist->i_iovec_start;
+
+}
+
+/*****************************************************************************
+ * input_NetlistMviovec: move the iovec pointer by one after a readv()
+ * operation and gives a data_packet corresponding to iovec in p_data
+ *****************************************************************************/
+void input_NetlistMviovec( void * p_method_data, int i_nb_iovec,
+ struct data_packet_s ** pp_data )
+{
+ netlist_t * p_netlist;
+ unsigned int i_loop = 0;
+
+ /* cast */
+ p_netlist = (netlist_t *)p_method_data;
+
+ /* lock */
+ vlc_mutex_lock( &p_netlist->lock );
+
+ /* Fills a table of pointers to packets associated with the io_vec's */
+ while( i_loop < i_nb_iovec )
+ {
+ pp_data[i_loop] = p_netlist->pp_free_data[p_netlist->i_data_start];
+
+ pp_data[i_loop]->p_buffer =
+ p_netlist->p_free_iovec[p_netlist->i_iovec_start].iov_base;
+
+ pp_data[i_loop]->p_payload_start = pp_data[i_loop]->p_buffer;
+
+ pp_data[i_loop]->p_payload_end =
+ pp_data[i_loop]->p_buffer + p_netlist->i_buffer_size;
+
+ pp_data[i_loop]->p_next = NULL;
+ pp_data[i_loop]->b_discard_payload = 0;
+
+ pp_data[i_loop]->pi_refcount = p_netlist->pi_refcount +
+ p_netlist->i_iovec_start;
+ (*pp_data[i_loop]->pi_refcount)++;
+
+ p_netlist->i_iovec_start ++;
+ p_netlist->i_iovec_start &= p_netlist->i_nb_iovec;
+
+ p_netlist->i_data_start ++;
+ p_netlist->i_data_start &= p_netlist->i_nb_data;
+
+ i_loop ++;
+ }
+
+ /* unlock */
+ vlc_mutex_unlock( &p_netlist->lock );
+
+}
+
+/*****************************************************************************
+ * input_NetlistNewPtr: returns a free data_packet_t
+ * Gives a pointer ; its fields need to be initialized
+ *****************************************************************************/
+struct data_packet_s * input_NetlistNewPtr( void * p_method_data )
+{
+ netlist_t * p_netlist;
+ struct data_packet_s * p_return;
+
+ /* cast */
+ p_netlist = (netlist_t *)p_method_data;
+
+ /* lock */
+ vlc_mutex_lock ( &p_netlist->lock );
+
+ /* check */
+ if ( p_netlist->i_data_start == p_netlist->i_data_end )
+ {
+ intf_ErrMsg("Empty Data FIFO in netlist. Unable to allocate memory");
+ return ( NULL );
+ }
+
+ p_return = (p_netlist->pp_free_data[p_netlist->i_data_start]);
+
+ p_netlist->i_data_start++;
+ p_netlist->i_data_start &= p_netlist->i_nb_data;
+
+ p_return->p_payload_start = p_return->p_buffer;
+
+ p_return->p_payload_end =
+ p_return->p_buffer + p_netlist->i_buffer_size;
+
+ p_return->p_next = NULL;
+ p_return->b_discard_payload = 0;
+
+ /* unlock */
+ vlc_mutex_unlock (&p_netlist->lock);
+
+ return ( p_return );
+}
+
+/*****************************************************************************
+ * input_NetlistNewPacket: returns a free data_packet_t, and takes
+ * a corresponding storage iovec.
+ *****************************************************************************/
+struct data_packet_s * input_NetlistNewPacket( void * p_method_data,
+ size_t i_buffer_size )
+{
+ netlist_t * p_netlist;
+ struct data_packet_s * p_packet;
+
+ /* cast */
+ p_netlist = (netlist_t *)p_method_data;
+
+#ifdef DEBUG
+ if( i_buffer_size > p_netlist->i_buffer_size )
+ {
+ /* This should not happen */
+ intf_ErrMsg( "Netlist packet too small !" );
+ return NULL;
+ }
#endif
- /* i_base is now the base address to locate free packets in the netlist */
+
+ /* lock */
+ vlc_mutex_lock( &p_netlist->lock );
+
+ /* check */
+ if ( p_netlist->i_iovec_start == p_netlist->i_iovec_end )
+ {
+ intf_ErrMsg("Empty io_vec FIFO in netlist. Unable to allocate memory");
+ return ( NULL );
+ }
- for( i_packets = 0; i_packets < INPUT_MAX_PES + 1; i_packets++ )
+ if ( p_netlist->i_data_start == p_netlist->i_data_end )
{
- p_input->netlist.p_pes_free[i_base + i_packets]
- = p_input->netlist.p_pes_packets + i_packets;
+ intf_ErrMsg("Empty Data FIFO in netlist. Unable to allocate memory");
+ return ( NULL );
}
- return( 0 );
+
+ /* Gives an io_vec and associated data */
+ p_packet = p_netlist->pp_free_data[p_netlist->i_data_start];
+
+ p_packet->p_buffer =
+ p_netlist->p_free_iovec[p_netlist->i_iovec_start].iov_base;
+
+ p_packet->p_payload_start = p_packet->p_buffer;
+
+ p_packet->p_payload_end =
+ p_packet->p_buffer + i_buffer_size;
+
+ p_packet->p_next = NULL;
+ p_packet->b_discard_payload = 0;
+
+ p_packet->pi_refcount = p_netlist->pi_refcount + p_netlist->i_iovec_start;
+ (*p_packet->pi_refcount)++;
+
+ p_netlist->i_iovec_start ++;
+ p_netlist->i_iovec_start &= p_netlist->i_nb_iovec;
+
+ p_netlist->i_data_start ++;
+ p_netlist->i_data_start &= p_netlist->i_nb_data;
+
+ /* unlock */
+ vlc_mutex_unlock( &p_netlist->lock );
+
+ return p_packet;
+}
+
+/*****************************************************************************
+ * input_NetlistNewPES: returns a free pes_packet_t
+ *****************************************************************************/
+struct pes_packet_s * input_NetlistNewPES( void * p_method_data )
+{
+ netlist_t * p_netlist;
+ pes_packet_t * p_return;
+
+ /* cast */
+ p_netlist = (netlist_t *)p_method_data;
+
+ /* lock */
+ vlc_mutex_lock ( &p_netlist->lock );
+
+ /* check */
+ if ( p_netlist->i_pes_start == p_netlist->i_pes_end )
+ {
+ intf_ErrMsg("Empty PES FIFO in netlist - Unable to allocate memory");
+ return ( NULL );
+ }
+
+ /* allocate */
+ p_return = p_netlist->pp_free_pes[p_netlist->i_pes_start];
+ p_netlist->i_pes_start++;
+ p_netlist->i_pes_start &= p_netlist->i_nb_pes;
+
+ /* unlock */
+ vlc_mutex_unlock (&p_netlist->lock);
+
+ /* initialize PES */
+ p_return->b_data_alignment = 0;
+ p_return->b_discontinuity = 0;
+ p_return->i_pts = 0;
+ p_return->i_dts = 0;
+ p_return->i_pes_size = 0;
+ p_return->p_first = NULL;
+
+ return ( p_return );
}
-/******************************************************************************
- * input_NetlistClean: clean the netlists buffers
- ******************************************************************************/
-void input_NetlistClean( input_thread_t *p_input )
+/*****************************************************************************
+ * input_NetlistDeletePacket: puts a data_packet_t back into the netlist
+ *****************************************************************************/
+void input_NetlistDeletePacket( void * p_method_data, data_packet_t * p_data )
{
- free( p_input->netlist.p_ts_packets ); /* free TS netlist */
- free( p_input->netlist.p_pes_packets ); /* free PES netlist */
+ netlist_t * p_netlist;
+
+ /* cast */
+ p_netlist = (netlist_t *) p_method_data;
+
+ /* lock */
+ vlc_mutex_lock ( &p_netlist->lock );
+
+ /* Delete data_packet */
+ p_netlist->i_data_end ++;
+ p_netlist->i_data_end &= p_netlist->i_nb_data;
+
+ p_data->p_payload_start = p_data->p_buffer;
+ p_data->p_payload_end = p_data->p_buffer + p_netlist->i_buffer_size;
+
+ p_netlist->pp_free_data[p_netlist->i_data_end] = p_data;
+
+ p_data->p_next = NULL;
+ p_data->b_discard_payload = 0;
+
+ /* Update reference counter */
+ (*p_data->pi_refcount)--;
+
+ if( (*p_data->pi_refcount) <= 0 )
+ {
+
+ p_netlist->i_iovec_end++;
+ p_netlist->i_iovec_end &= p_netlist->i_nb_iovec;
+ p_netlist->p_free_iovec[p_netlist->i_iovec_end].iov_base =
+ p_data->p_buffer;
+ }
+
+ /* unlock */
+ vlc_mutex_unlock (&p_netlist->lock);
}
+/*****************************************************************************
+ * input_NetlistDeletePES: puts a pes_packet_t back into the netlist
+ *****************************************************************************/
+void input_NetlistDeletePES( void * p_method_data, pes_packet_t * p_pes )
+{
+ netlist_t * p_netlist;
+ data_packet_t * p_current_packet;
+ data_packet_t * p_next_packet;
+
+ /* cast */
+ p_netlist = (netlist_t *)p_method_data;
+
+ /* lock */
+ vlc_mutex_lock ( &p_netlist->lock );
+
+ /* delete free p_pes->p_first, p_next ... */
+ p_current_packet = p_pes->p_first;
+ while ( p_current_packet != NULL )
+ {
+ /* copy of NetListDeletePacket, duplicate code avoid many locks */
+
+ p_netlist->i_data_end ++;
+ p_netlist->i_data_end &= p_netlist->i_nb_data;
+
+ /* re initialize */
+ p_current_packet->p_payload_start = p_current_packet->p_buffer;
+ p_current_packet->p_payload_end = p_current_packet->p_buffer
+ + p_netlist->i_buffer_size;
+
+ p_netlist->pp_free_data[p_netlist->i_data_end] = p_current_packet;
+
+ /* Update reference counter */
+ (*p_current_packet->pi_refcount)--;
+
+ if( (*p_current_packet->pi_refcount) <= 0 )
+ {
+ (*p_current_packet->pi_refcount) = 0;
+ p_netlist->i_iovec_end++;
+ p_netlist->i_iovec_end &= p_netlist->i_nb_iovec;
+ p_netlist->p_free_iovec[p_netlist->i_iovec_end].iov_base =
+ p_current_packet->p_buffer;
+ }
+
+ p_next_packet = p_current_packet->p_next;
+ p_current_packet->p_next = NULL;
+ p_current_packet->b_discard_payload = 0;
+ p_current_packet = p_next_packet;
+ }
+
+ /* delete our current PES packet */
+ p_netlist->i_pes_end ++;
+ p_netlist->i_pes_end &= p_netlist->i_nb_pes;
+ p_netlist->pp_free_pes[p_netlist->i_pes_end] = p_pes;
+
+ /* unlock */
+ vlc_mutex_unlock (&p_netlist->lock);
+
+}
+
+/*****************************************************************************
+ * input_NetlistEnd: frees all allocated structures
+ *****************************************************************************/
+void input_NetlistEnd( input_thread_t * p_input )
+{
+ netlist_t * p_netlist;
+
+ /* cast */
+ p_netlist = ( netlist_t * ) p_input->p_method_data;
+
+ /* destroy the mutex lock */
+ vlc_mutex_destroy( &p_netlist->lock );
+
+ /* free the FIFO, the buffer, and the netlist structure */
+ free( p_netlist->pi_refcount );
+ free( p_netlist->p_free_iovec );
+ free( p_netlist->pp_free_pes );
+ free( p_netlist->pp_free_data );
+ free( p_netlist->p_pes );
+ free( p_netlist->p_data );
+ free( p_netlist->p_buffers );
+
+ /* free the netlist */
+ free( p_netlist );
+}
projects / vlc / blobdiff