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" */
/*****************************************************************************
* input_ext-intf.h: structures of the input exported to the interface
* This header provides structures to read the stream descriptors and
* control the pace of reading.
*****************************************************************************
* Copyright (C) 1999, 2000, 2003 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.
*****************************************************************************/
#ifndef _VLC_INPUT_EXT_INTF_H
#define _VLC_INPUT_EXT_INTF_H 1
#include "vlc_block.h"
#include "ninput.h"
/*
* Communication input -> interface
*/
/* FIXME ! */
#define REQUESTED_MPEG 1
#define REQUESTED_A52 2
#define REQUESTED_LPCM 3
#define REQUESTED_DTS 4
#define REQUESTED_NOAUDIO 255
/*****************************************************************************
* es_descriptor_t: elementary stream descriptor
*****************************************************************************
* Describes an elementary stream, and includes fields required to handle and
* demultiplex this elementary stream.
*****************************************************************************/
struct es_descriptor_t
{
uint16_t i_id; /* stream ID for PS, PID for TS */
uint8_t i_stream_id; /* stream ID defined in the PES */
vlc_fourcc_t i_fourcc; /* stream type */
uint8_t i_cat; /* stream category (audio, video, spu) */
int i_demux_fd; /* used to store demux device
file handle */
char *psz_desc; /* description of ES: audio language
* for instance ; NULL if not
* available */
/* Demultiplexer information */
es_sys_t * p_demux_data;
pgrm_descriptor_t * p_pgrm; /* very convenient in the demultiplexer */
/* PES parser information */
pes_packet_t * p_pes; /* Current PES */
unsigned int i_pes_real_size; /* as indicated by the header */
/* Decoder information */
es_format_t fmt;
void * p_waveformatex;
void * p_bitmapinfoheader;
void * p_spuinfo;
/* Decoder */
decoder_t * p_dec;
count_t c_packets; /* total packets read */
count_t c_invalid_packets; /* invalid packets read */
/* XXX hack: to force a decoder instead of mode based on sout */
vlc_bool_t b_force_decoder;
};
/*****************************************************************************
* pgrm_descriptor_t
*****************************************************************************
* Describes a program and list associated elementary streams. It is build by
* the PSI decoder upon the informations carried in program map sections
*****************************************************************************/
struct pgrm_descriptor_t
{
/* Program characteristics */
uint16_t i_number; /* program number */
uint8_t i_version; /* version number */
vlc_bool_t b_is_ok; /* Is the description up to date ? */
/* Service Descriptor (program name) - DVB extension */
uint8_t i_srv_type;
char * psz_srv_name;
/* Synchronization information */
mtime_t delta_cr;
mtime_t cr_ref, sysdate_ref;
mtime_t last_cr; /* reference to detect unexpected stream
* discontinuities */
mtime_t last_pts;
count_t c_average_count;
/* counter used to compute dynamic average values */
int i_synchro_state;
/* Demultiplexer data */
pgrm_sys_t * p_demux_data;
unsigned int i_es_number; /* size of the following array */
es_descriptor_t ** pp_es; /* array of pointers to ES */
};
/* Synchro states */
#define SYNCHRO_OK 0
#define SYNCHRO_START 1
#define SYNCHRO_REINIT 2
/*****************************************************************************
* input_area_t
*****************************************************************************
* Attributes for current area (title for DVD)
*****************************************************************************/
struct input_area_t
{
/* selected area attributes */
unsigned int i_id; /* identificator for area */
off_t i_start; /* start offset of area */
off_t i_size; /* total size of the area
* (in arbitrary units) */
/* navigation parameters */
off_t i_tell; /* actual location in the area
* (in arbitrary units) */
off_t i_seek; /* next requested location
* (changed by the interface thread */
/* area subdivision */
unsigned int i_part_nb; /* number of parts (chapter for DVD)*/
unsigned int i_part; /* currently selected part */
/* offset to plugin related data */
off_t i_plugin_data;
};
/*****************************************************************************
* stream_descriptor_t
*****************************************************************************
* Describes a stream and list its associated programs. Build upon
* the information carried in program association sections (for instance)
*****************************************************************************/
struct stream_descriptor_t
{
uint16_t i_stream_id; /* stream id */
vlc_bool_t b_changed; /* if stream has been changed,
we have to inform the interface */
vlc_mutex_t stream_lock; /* to be taken every time you read
* or modify stream, pgrm or es */
/* Input method data */
unsigned int i_method; /* input method for stream: file,
disc or network */
vlc_bool_t b_pace_control; /* can we read when we want ? */
vlc_bool_t b_seekable; /* can we do lseek() ? */
/* if (b_seekable) : */
unsigned int i_area_nb;
input_area_t ** pp_areas; /* list of areas in stream == offset
* interval with own properties */
input_area_t * p_selected_area;
input_area_t * p_new_area; /* Newly selected area from
* the interface */
uint32_t i_mux_rate; /* the rate we read the stream (in
* units of 50 bytes/s) ; 0 if undef */
/* New status and rate requested by the interface */
unsigned int i_new_status, i_new_rate;
int b_new_mute; /* int because it can be -1 */
vlc_cond_t stream_wait; /* interface -> input in case of a
* status change request */
/* Demultiplexer data */
void * p_demux_data;
/* Programs descriptions */
unsigned int i_pgrm_number; /* size of the following array */
pgrm_descriptor_t ** pp_programs; /* array of pointers to pgrm */
pgrm_descriptor_t * p_selected_program; /* currently
selected program */
pgrm_descriptor_t * p_new_program; /* Newly selected program */
/* ES descriptions */
unsigned int i_es_number;
es_descriptor_t ** pp_es; /* carried elementary streams */
unsigned int i_selected_es_number;
es_descriptor_t ** pp_selected_es; /* ES with a decoder */
es_descriptor_t * p_newly_selected_es; /* ES selected from
* the interface */
es_descriptor_t * p_removed_es; /* ES removed from the interface */
/* Stream control */
stream_ctrl_t control;
/* Optional stream output */
sout_instance_t * p_sout;
/* Statistics */
count_t c_packets_read; /* packets read */
count_t c_packets_trashed; /* trashed packets */
};
#define MUTE_NO_CHANGE -1
/*****************************************************************************
* info_t
*****************************************************************************/
/**
* Info item
*/
struct info_t
{
char *psz_name; /**< Name of this info */
char *psz_value; /**< Value of the info */
};
/**
* Info category
* \see info_t
*/
struct info_category_t
{
char *psz_name; /**< Name of this category */
int i_infos; /**< Number of infos in the category */
struct info_t **pp_infos; /**< Pointer to an array of infos */
};
/*****************************************************************************
* input_item_t
*****************************************************************************
* Describes an input and is used to spawn input_thread_t objects.
*****************************************************************************/
struct input_item_t
{
char *psz_name; /**< text describing this item */
char *psz_uri; /**< mrl of this item */
int i_options; /**< Number of input options */
char **ppsz_options; /**< Array of input options */
mtime_t i_duration; /**< A hint about the duration of this
* item, in milliseconds*/
int i_categories; /**< Number of info categories */
info_category_t **pp_categories; /**< Pointer to the first info category */
vlc_mutex_t lock; /**< Item cannot be changed without this lock */
};
/*****************************************************************************
* input_thread_t
*****************************************************************************
* This structure includes all the local static variables of an input thread
*****************************************************************************/
struct input_thread_t
{
VLC_COMMON_MEMBERS
/* Thread properties */
vlc_bool_t b_eof;
vlc_bool_t b_out_pace_control;
/* Access module */
module_t * p_access;
ssize_t (* pf_read ) ( input_thread_t *, byte_t *, size_t );
int (* pf_set_program )( input_thread_t *, pgrm_descriptor_t * );
int (* pf_set_area )( input_thread_t *, input_area_t * );
void (* pf_seek ) ( input_thread_t *, off_t );
int (* pf_access_control )( input_thread_t *, int, va_list );
access_sys_t * p_access_data;
size_t i_mtu;
int i_pts_delay; /* internal caching */
int i_cr_average;
/* Stream */
stream_t *s;
/* Demux module */
module_t * p_demux;
int (* pf_demux ) ( input_thread_t * );
int (* pf_rewind ) ( input_thread_t * );
/* NULL if we don't support going *
* backwards (it's gonna be fun) */
int (* pf_demux_control ) ( input_thread_t *, int, va_list );
demux_sys_t * p_demux_data; /* data of the demux */
/* es out */
es_out_t *p_es_out;
/* Buffer manager */
input_buffers_t *p_method_data; /* data of the packet manager */
data_buffer_t * p_data_buffer;
byte_t * p_current_data;
byte_t * p_last_data;
size_t i_bufsize;
/* General stream description */
stream_descriptor_t stream;
/* Input item description */
input_item_t *p_item;
/* Playlist item */
char * psz_source;
char * psz_dupsource;
char * psz_access;
char * psz_demux;
char * psz_name;
count_t c_loops;
/* User bookmarks */
int i_bookmarks;
seekpoint_t **pp_bookmarks;
/* private, do not touch it */
input_thread_sys_t *p_sys;
};
/* Input methods */
/* The first figure is a general method that can be used in interface plugins ;
* The second figure is a detailed sub-method */
#define INPUT_METHOD_NONE 0x0 /* input thread is inactive */
#define INPUT_METHOD_FILE 0x10 /* stream is read from file p_source */
#define INPUT_METHOD_DISC 0x20 /* stream is read directly from disc */
#define INPUT_METHOD_DVD 0x21 /* stream is read from DVD */
#define INPUT_METHOD_VCD 0x22 /* stream is read from VCD */
#define INPUT_METHOD_CDDA 0x23 /* stream is read from CDDA */
#define INPUT_METHOD_NETWORK 0x30 /* stream is read from network */
#define INPUT_METHOD_UCAST 0x31 /* UDP unicast */
#define INPUT_METHOD_MCAST 0x32 /* UDP multicast */
#define INPUT_METHOD_BCAST 0x33 /* UDP broadcast */
#define INPUT_METHOD_VLAN_BCAST 0x34 /* UDP broadcast with VLANs */
#define INPUT_METHOD_SATELLITE 0x40 /* stream is read from a */
/* satellite card */
#define INPUT_METHOD_SLP 0x50 /* SLP stream */
/*****************************************************************************
* Prototypes
*****************************************************************************/
#define input_CreateThread(a,b) __input_CreateThread(VLC_OBJECT(a),b)
VLC_EXPORT( input_thread_t *, __input_CreateThread, ( vlc_object_t *, input_item_t * ) );
VLC_EXPORT( void, input_StopThread, ( input_thread_t * ) );
VLC_EXPORT( void, input_DestroyThread, ( input_thread_t * ) );
#endif /* "input_ext-intf.h" */
/*****************************************************************************
* 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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