--- /dev/null
+/*****************************************************************************
+ * ninput.h
+ *****************************************************************************
+ * Copyright (C) 1999-2001 VideoLAN
+ * $Id: ninput.h,v 1.1 2003/08/01 00:00:12 fenrir Exp $
+ *
+ * Authors: Laurent Aimar <fenrir@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
+ * 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.
+ *****************************************************************************/
+
+#ifndef _NINPUT_H
+#define _NINPUT_H 1
+
+/*
+ * stream
+ */
+enum streamQuery_e
+{
+ /* capabilities */
+ STREAM_CAN_SEEK, /* arg1= vlc_bool_t * res=cannot fail*/
+ STREAM_CAN_FASTSEEK, /* arg1= vlc_bool_t * res=cannot fail*/
+
+ /* */
+ STREAM_SET_POSITION, /* arg1= int64_t res=can fail */
+ STREAM_GET_POSITION, /* arg1= int64_t * res=cannot fail*/
+
+ STREAM_GET_SIZE, /* arg1= int64_t * res=cannot fail (0 if no sense)*/
+};
+
+
+VLC_EXPORT( stream_t *, stream_OpenInput, ( input_thread_t * ) );
+VLC_EXPORT( void, stream_Release, ( stream_t * ) );
+VLC_EXPORT( int, stream_vaControl, ( stream_t *, int, va_list ) );
+VLC_EXPORT( int, stream_Control, ( stream_t *, int, ... ) );
+VLC_EXPORT( int, stream_Read, ( stream_t *, void *, int ) );
+VLC_EXPORT( int, stream_Peek, ( stream_t *, uint8_t **, int ) );
+
+VLC_EXPORT( pes_packet_t *, stream_PesPacket, ( stream_t *, int ) );
+
+#endif
+
--- /dev/null
+/*****************************************************************************
+ * stream.c
+ *****************************************************************************
+ * Copyright (C) 1999-2001 VideoLAN
+ * $Id: stream.c,v 1.1 2003/08/01 00:00:12 fenrir Exp $
+ *
+ * Authors: Laurent Aimar <fenrir@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
+ * 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.
+ *****************************************************************************/
+
+#include <stdlib.h>
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+
+#include "ninput.h"
+
+/****************************************************************************
+ * stream_* :
+ * XXX for now it's just a wrapper
+ *
+ ****************************************************************************/
+
+struct stream_t
+{
+ VLC_COMMON_MEMBERS
+
+ input_thread_t *p_input;
+
+};
+
+stream_t *stream_OpenInput( input_thread_t *p_input )
+{
+ stream_t *s;
+
+ s = vlc_object_create( p_input, sizeof( stream_t ) );
+ if( s )
+ {
+ s->p_input = p_input;
+ }
+
+ return s;
+}
+
+void stream_Release( stream_t *s )
+{
+ vlc_object_destroy( s );
+}
+
+int stream_vaControl( stream_t *s, int i_query, va_list args )
+{
+ vlc_bool_t *p_b;
+ int64_t *p_i64, i64;
+
+ switch( i_query )
+ {
+ case STREAM_GET_SIZE:
+ p_i64 = (int64_t*) va_arg( args, int64_t * );
+
+ vlc_mutex_lock( &s->p_input->stream.stream_lock );
+ *p_i64 = s->p_input->stream.p_selected_area->i_size;
+ vlc_mutex_unlock( &s->p_input->stream.stream_lock );
+ return VLC_SUCCESS;
+
+ case STREAM_CAN_SEEK:
+ p_b = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
+
+ vlc_mutex_lock( &s->p_input->stream.stream_lock );
+ *p_b = s->p_input->stream.b_seekable;
+ vlc_mutex_unlock( &s->p_input->stream.stream_lock );
+ return VLC_SUCCESS;
+
+ case STREAM_CAN_FASTSEEK:
+ p_b = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
+
+ vlc_mutex_lock( &s->p_input->stream.stream_lock );
+ *p_b = s->p_input->stream.b_seekable && s->p_input->stream.i_method == INPUT_METHOD_FILE;
+ vlc_mutex_unlock( &s->p_input->stream.stream_lock );
+ return VLC_SUCCESS;
+
+ case STREAM_GET_POSITION:
+ p_i64 = (int64_t*) va_arg( args, int64_t * );
+
+ vlc_mutex_lock( &s->p_input->stream.stream_lock );
+ *p_i64 = s->p_input->stream.p_selected_area->i_tell;
+ vlc_mutex_unlock( &s->p_input->stream.stream_lock );
+ return VLC_SUCCESS;
+
+ case STREAM_SET_POSITION:
+ i64 = (int64_t) va_arg( args, int64_t );
+
+ vlc_mutex_lock( &s->p_input->stream.stream_lock );
+ if( i64 < 0 ||
+ ( s->p_input->stream.p_selected_area->i_size > 0 &&
+ s->p_input->stream.p_selected_area->i_size < i64 ) )
+ {
+ vlc_mutex_unlock( &s->p_input->stream.stream_lock );
+ msg_Err( s, "seek out of bound" );
+ return VLC_EGENERIC;
+ }
+ vlc_mutex_unlock( &s->p_input->stream.stream_lock );
+
+ if( i64 == s->p_input->stream.p_selected_area->i_tell )
+ {
+ return VLC_SUCCESS;
+ }
+
+ if( s->p_input->stream.b_seekable &&
+ ( s->p_input->stream.i_method == INPUT_METHOD_FILE ||
+ i64 - s->p_input->stream.p_selected_area->i_tell < 0 ||
+ i64 - s->p_input->stream.p_selected_area->i_tell > 1024 ) )
+ {
+ input_AccessReinit( s->p_input );
+ s->p_input->pf_seek( s->p_input, i64 );
+ return VLC_SUCCESS;
+ }
+
+ if( i64 - s->p_input->stream.p_selected_area->i_tell > 0 )
+ {
+ data_packet_t *p_data;
+ int i_skip = i64 - s->p_input->stream.p_selected_area->i_tell;
+
+ msg_Warn( s, "will skip %d bytes, slow", i_skip );
+
+ while (i_skip > 0 )
+ {
+ int i_read;
+
+ i_read = input_SplitBuffer( s->p_input, &p_data, __MIN( 4096, i_skip ) );
+ if( i_read < 0 )
+ {
+ return VLC_EGENERIC;
+ }
+ i_skip -= i_read;
+
+ input_DeletePacket( s->p_input->p_method_data, p_data );
+ if( i_read == 0 && i_skip > 0 )
+ {
+ return VLC_EGENERIC;
+ }
+ }
+ }
+
+ return VLC_SUCCESS;
+
+ default:
+ msg_Err( s, "invalid stream_vaControl query=0x%x", i_query );
+ return VLC_EGENERIC;
+ }
+}
+
+int stream_Control( stream_t *s, int i_query, ... )
+{
+ va_list args;
+ int i_result;
+
+ va_start( args, i_query );
+ i_result = stream_vaControl( s, i_query, args );
+ va_end( args );
+
+ return i_result;
+}
+
+int stream_Read( stream_t *s, void *p_data, int i_data )
+{
+ uint8_t *p = (uint8_t*)p_data;
+ data_packet_t *p_packet;
+
+ int i_read = 0;
+
+ if( p_data == NULL && i_data > 0 )
+ {
+ int64_t i_pos;
+
+ stream_Control( s, STREAM_GET_POSITION, &i_pos );
+
+ i_pos += i_data;
+ if( stream_Control( s, STREAM_SET_POSITION, i_pos ) )
+ {
+ return 0;
+ }
+ return i_data;
+ }
+
+ while( i_data > 0 && !s->p_input->b_die )
+ {
+ int i_count;
+
+ i_count = input_SplitBuffer( s->p_input, &p_packet, __MIN( i_data, 4096 ) );
+ if( i_count <= 0 )
+ {
+ return i_read;
+ }
+
+ if( p )
+ {
+ memcpy( p, p_packet->p_payload_start, i_count );
+ p += i_count;
+ }
+
+ input_DeletePacket( s->p_input->p_method_data, p_packet );
+
+ i_data -= i_count;
+ i_read += i_count;
+ }
+
+ return i_read;
+}
+
+int stream_Peek( stream_t *s, uint8_t **pp_peek, int i_data )
+{
+ return input_Peek( s->p_input, pp_peek, i_data );
+}
+
+
+pes_packet_t *stream_PesPacket( stream_t *s, int i_data )
+{
+ pes_packet_t *p_pes;
+ data_packet_t *p_packet;
+
+
+ if( !(p_pes = input_NewPES( s->p_input->p_method_data ) ) )
+ {
+ return NULL;
+ }
+
+ if( i_data <= 0 )
+ {
+ p_pes->p_first =
+ p_pes->p_last =
+ input_NewPacket( s->p_input->p_method_data, 0 );
+ p_pes->i_nb_data = 1;
+ return p_pes;
+ }
+
+ while( i_data > 0 )
+ {
+ int i_read;
+
+ i_read = input_SplitBuffer( s->p_input, &p_packet, __MIN( i_data, 4096 ) );
+ if( i_read <= 0 )
+ {
+ /* should occur only with EOF and max allocation reached
+ * it safer to return an error */
+ /* free pes */
+ input_DeletePES( s->p_input->p_method_data, p_pes );
+ return NULL;
+ }
+
+ if( p_pes->p_first == NULL )
+ {
+ p_pes->p_first = p_packet;
+ }
+ else
+ {
+ p_pes->p_last->p_next = p_packet;
+ }
+ p_pes->p_last = p_packet;
+ p_pes->i_nb_data++;
+ p_pes->i_pes_size += i_read;
+ i_data -= i_read;
+ }
+
+ return p_pes;
+}
+
+
+
+
+
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