Commit 53b4094f authored by Laurent Aimar's avatar Laurent Aimar

* all: rework of the input.

parent 7255e433
/*****************************************************************************
* input_ext-dec.h: structures exported to the VideoLAN decoders
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: input_ext-dec.h,v 1.83 2003/11/24 00:39:00 fenrir Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Michel Kaempf <maxx@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 _VLC_INPUT_EXT_DEC_H
#define _VLC_INPUT_EXT_DEC_H 1
/* Structures exported to the decoders */
/*****************************************************************************
* data_packet_t
*****************************************************************************
* Describe a data packet.
*****************************************************************************/
struct data_packet_t
{
/* Used to chain the packets that carry data for a same PES or PSI */
data_packet_t * p_next;
/* start of the PS or TS packet */
byte_t * p_demux_start;
/* start of the PES payload in this packet */
byte_t * p_payload_start;
byte_t * p_payload_end; /* guess ? :-) */
/* is the packet messed up ? */
vlc_bool_t b_discard_payload;
/* pointer to the real data */
data_buffer_t * p_buffer;
};
/*****************************************************************************
* pes_packet_t
*****************************************************************************
* Describes an PES packet, with its properties, and pointers to the TS packets
* containing it.
*****************************************************************************/
struct pes_packet_t
{
/* Chained list to the next PES packet (depending on the context) */
pes_packet_t * p_next;
/* PES properties */
vlc_bool_t b_data_alignment; /* used to find the beginning of
* a video or audio unit */
vlc_bool_t b_discontinuity; /* This packet doesn't follow the
* previous one */
mtime_t i_pts; /* PTS for this packet (zero if unset) */
mtime_t i_dts; /* DTS for this packet (zero if unset) */
int i_rate; /* current reading pace (see stream_control.h) */
unsigned int i_pes_size; /* size of the current PES packet */
/* Chained list to packets */
data_packet_t * p_first; /* The first packet contained by this
* PES (used by decoders). */
data_packet_t * p_last; /* The last packet contained by this
* PES (used by the buffer allocator) */
unsigned int i_nb_data; /* Number of data packets in the chained list */
};
/*****************************************************************************
* Prototypes from input_ext-dec.c
*****************************************************************************/
VLC_EXPORT( void, input_DeletePES, ( input_buffers_t *, pes_packet_t * ) );
#endif /* "input_ext-dec.h" */
This diff is collapsed.
/*****************************************************************************
* input_ext-plugins.h: structures of the input not exported to other modules,
* but exported to plug-ins
*****************************************************************************
* Copyright (C) 1999-2002 VideoLAN
* $Id$
*
* 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
* 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.
*****************************************************************************/
/*
* Communication plugin -> input
*/
/* FIXME: you've gotta move this move this, you've gotta move this move this */
#define PADDING_PACKET_SIZE 188 /* Size of the NULL packet inserted in case
* of data loss (this should be < 188). */
#define PADDING_PACKET_NUMBER 10 /* Number of padding packets top insert to
* escape a decoder. */
#define INPUT_DEFAULT_BUFSIZE 65536 /* Default buffer size to use when none
* is natural. */
#define NO_SEEK -1
/*****************************************************************************
* Prototypes from input_programs.c
*****************************************************************************/
VLC_EXPORT( int, input_InitStream,( input_thread_t *, size_t ) );
VLC_EXPORT( void, input_EndStream, ( input_thread_t * ) );
VLC_EXPORT( pgrm_descriptor_t *, input_FindProgram,( input_thread_t *, uint16_t ) );
VLC_EXPORT( pgrm_descriptor_t *, input_AddProgram, ( input_thread_t *, uint16_t, size_t ) );
VLC_EXPORT( void, input_DelProgram,( input_thread_t *, pgrm_descriptor_t * ) );
VLC_EXPORT( int, input_SetProgram,( input_thread_t *, pgrm_descriptor_t * ) );
VLC_EXPORT( input_area_t *, input_AddArea,( input_thread_t *, uint16_t, uint16_t ) );
VLC_EXPORT( void, input_DelArea, ( input_thread_t *, input_area_t * ) );
VLC_EXPORT( es_descriptor_t *, input_FindES,( input_thread_t *, uint16_t ) );
VLC_EXPORT( es_descriptor_t *, input_AddES, ( input_thread_t *, pgrm_descriptor_t *, uint16_t, int, char const *, size_t ) );
VLC_EXPORT( void, input_DelES, ( input_thread_t *, es_descriptor_t * ) );
VLC_EXPORT( int, input_SelectES, ( input_thread_t *, es_descriptor_t * ) );
VLC_EXPORT( int, input_UnselectES,( input_thread_t *, es_descriptor_t * ) );
/*****************************************************************************
* Prototypes from input_dec.c
*****************************************************************************/
VLC_EXPORT( decoder_t *, input_RunDecoder, ( input_thread_t *, es_descriptor_t * ) );
VLC_EXPORT( void, input_EndDecoder, ( input_thread_t *, es_descriptor_t * ) );
VLC_EXPORT( void, input_DecodePES, ( decoder_t *, pes_packet_t * ) );
VLC_EXPORT( void, input_DecodeBlock,( decoder_t *, block_t * ) );
void input_EscapeDiscontinuity( input_thread_t * );
void input_EscapeAudioDiscontinuity( input_thread_t * );
/*****************************************************************************
* Prototypes from es_out.c
*****************************************************************************/
/* input internal use only */
es_out_t *input_EsOutNew( input_thread_t * );
void input_EsOutDelete( es_out_t * );
stream_t *input_StreamNew( input_thread_t * );
void input_StreamDelete( stream_t * );
/*****************************************************************************
* Prototypes from input_clock.c
*****************************************************************************/
void input_ClockInit( pgrm_descriptor_t * );
VLC_EXPORT( int, input_ClockManageControl, ( input_thread_t *, pgrm_descriptor_t *, mtime_t ) );
VLC_EXPORT( void, input_ClockManageRef, ( input_thread_t *, pgrm_descriptor_t *, mtime_t ) );
VLC_EXPORT( mtime_t, input_ClockGetTS, ( input_thread_t *, pgrm_descriptor_t *, mtime_t ) );
/*****************************************************************************
* Prototypes from input_ext-plugins.h (buffers management)
*****************************************************************************/
#define input_BuffersInit(a) __input_BuffersInit(VLC_OBJECT(a))
void * __input_BuffersInit( vlc_object_t * );
VLC_EXPORT( void, input_BuffersEnd, ( input_thread_t *, input_buffers_t * ) );
VLC_EXPORT( data_buffer_t *, input_NewBuffer, ( input_buffers_t *, size_t ) );
VLC_EXPORT( void, input_ReleaseBuffer, ( input_buffers_t *, data_buffer_t * ) );
VLC_EXPORT( data_packet_t *, input_ShareBuffer, ( input_buffers_t *, data_buffer_t * ) );
VLC_EXPORT( data_packet_t *, input_NewPacket, ( input_buffers_t *, size_t ) );
VLC_EXPORT( void, input_DeletePacket, ( input_buffers_t *, data_packet_t * ) );
VLC_EXPORT( pes_packet_t *, input_NewPES, ( input_buffers_t * ) );
VLC_EXPORT( ssize_t, input_FillBuffer, ( input_thread_t * ) );
VLC_EXPORT( ssize_t, input_Peek, ( input_thread_t *, byte_t **, size_t ) );
VLC_EXPORT( ssize_t, input_SplitBuffer, ( input_thread_t *, data_packet_t **, size_t ) );
VLC_EXPORT( int, input_AccessInit, ( input_thread_t * ) );
VLC_EXPORT( void, input_AccessReinit, ( input_thread_t * ) );
VLC_EXPORT( void, input_AccessEnd, ( input_thread_t * ) );
/*
* Optional standard file descriptor operations (input_ext-plugins.h)
*/
/*****************************************************************************
* input_socket_t: private access plug-in data
*****************************************************************************/
struct input_socket_t
{
/* Unbuffered file descriptor */
int i_handle;
};
/*****************************************************************************
* stream_control.h: structures of the input exported everywhere
* This header provides a structure so that everybody knows the state
* of the reading.
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: stream_control.h,v 1.12 2004/01/25 18:17:08 zorglub Exp $
*
* 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
* 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 _STREAM_CONTROL_H
#define _STREAM_CONTROL_H 1
/* Structures exported to interface, input and decoders */
/*****************************************************************************
* stream_ctrl_t
*****************************************************************************
* Describe the state of a program stream.
*****************************************************************************/
struct stream_ctrl_t
{
vlc_mutex_t control_lock;
int i_status;
/* if i_status == FORWARD_S or BACKWARD_S */
int i_rate;
vlc_bool_t b_mute;
vlc_bool_t b_grayscale; /* use color or grayscale */
};
/* Possible status : */
enum stream_status_e
{
UNDEF_S = 0,
PLAYING_S = 1,
PAUSE_S = 2,
FORWARD_S = 3,
BACKWARD_S = 4,
INIT_S = 10,
END_S = 11
};
#define DEFAULT_RATE 1000
#define MINIMAL_RATE 31 /* Up to 32/1 */
#define MAXIMAL_RATE 8000 /* Up to 1/8 */
#endif /* "stream_control.h" */
......@@ -2,7 +2,7 @@
* decoder.h: header for vlc decoders
*****************************************************************************
* Copyright (C) 2002 VideoLAN
* $Id: decoder.h,v 1.4 2004/01/25 18:17:08 zorglub Exp $
* $Id$
*
* 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
......@@ -35,8 +35,6 @@ extern "C" {
* Required internal headers
*****************************************************************************/
#include "vlc_block.h"
#include "stream_control.h"
#include "input_ext-dec.h"
#include "vlc_video.h"
#include "audio_output.h"
#include "vlc_codec.h"
......
......@@ -2,7 +2,7 @@
* input.h: input modules header for vlc
*****************************************************************************
* Copyright (C) 2002 VideoLAN
* $Id: input.h,v 1.4 2004/01/25 18:17:08 zorglub Exp $
* $Id$
*
* 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
......@@ -35,11 +35,15 @@ extern "C" {
* Required internal headers
*****************************************************************************/
#include "vlc_block.h"
#include "stream_control.h"
#include "input_ext-intf.h" /* input_thread_s */
#include "input_ext-dec.h" /* data_packet_s */
#include "input_ext-plugins.h"
#include "ninput.h"
#include "vlc_es.h"
#include "vlc_es_out.h"
#include "vlc_input.h"
#include "vlc_access.h"
#include "vlc_stream.h"
#include "vlc_demux.h"
# ifdef __cplusplus
}
......
......@@ -35,9 +35,8 @@ extern "C" {
* Required internal headers
*****************************************************************************/
#include "vlc_interface.h"
#include "vlc_input.h"
#include "intf_eject.h"
#include "stream_control.h"
#include "input_ext-intf.h"
#include "vlc_playlist.h"
# ifdef __cplusplus
......
......@@ -23,8 +23,6 @@
#ifndef _VLC_CODEC_H
#define _VLC_CODEC_H 1
#include "ninput.h"
/**
* \file
* This file defines the structure and types used by decoders and encoders
......
......@@ -51,6 +51,7 @@
#define VLC_OBJECT_ANNOUNCE (-17)
#define VLC_OBJECT_DEMUX (-18)
#define VLC_OBJECT_ACCESS (-19)
#define VLC_OBJECT_STREAM (-20)
#define VLC_OBJECT_GENERIC (-666)
......
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