* control the pace of reading.
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
- * $Id: input_ext-intf.h,v 1.10 2001/01/24 19:05:55 massiot Exp $
+ * $Id: input_ext-intf.h,v 1.55 2001/12/30 07:09:54 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
/*
* Communication input -> interface
*/
-#define INPUT_MAX_PLUGINS 1
/* FIXME ! */
-#define REQUESTED_MPEG 0
-#define REQUESTED_AC3 1
-#define REQUESTED_LPCM 2
+#define REQUESTED_MPEG 1
+#define REQUESTED_AC3 2
+#define REQUESTED_LPCM 3
#define REQUESTED_NOAUDIO 255
+#define OFFSETTOTIME_MAX_SIZE 10
+
/*****************************************************************************
* es_descriptor_t: elementary stream descriptor
*****************************************************************************
boolean_t b_audio; /* is the stream an audio stream that
* will need to be discarded with
* fast forward and slow motion ? */
+ u8 i_cat; /* stream category: video, audio,
+ * spu, other */
+
+ char psz_desc[20]; /* description of ES: audio language
+ * for instance ; NULL if not
+ * available */
/* Demultiplexer information */
void * p_demux_data;
/* PES parser information */
struct pes_packet_s * p_pes; /* Current PES */
- struct data_packet_s * p_last; /* The last packet gathered at present */
int i_pes_real_size; /* as indicated by the header */
- boolean_t b_discontinuity; /* Stream changed */
/* Decoder information */
struct decoder_fifo_s * p_decoder_fifo;
vlc_thread_t thread_id; /* ID of the decoder */
-#ifdef STATS
- count_t c_payload_bytes;/* total of payload useful bytes */
count_t c_packets; /* total packets read */
count_t c_invalid_packets; /* invalid packets read */
-#endif
+
+ /* Module properties */
+ struct module_s * p_module;
+ struct decoder_config_s * p_config;
+
} es_descriptor_t;
/* Special PID values - note that the PID is only on 13 bits, and that values
#define CONDITIONNAL_ACCESS_TABLE_PID 0x0001 /* not used */
#define EMPTY_ID 0xffff /* empty record in a table */
-/* ES streams types - see ISO/IEC 13818-1 table 2-29 numbers */
-#define MPEG1_VIDEO_ES 0x01
-#define MPEG2_VIDEO_ES 0x02
-#define MPEG1_AUDIO_ES 0x03
-#define MPEG2_AUDIO_ES 0x04
-#define AC3_AUDIO_ES 0x81
-/* These ones might violate the norm : */
-#define DVD_SPU_ES 0x82
-#define LPCM_AUDIO_ES 0x83
-#define UNKNOWN_ES 0xFF
+
+/* ES Categories to be used by interface plugins */
+#define VIDEO_ES 0x00
+#define AUDIO_ES 0x01
+#define SPU_ES 0x02
+#define NAV_ES 0x03
+#define UNKNOWN_ES 0xFF
/*****************************************************************************
* pgrm_descriptor_t
/* Synchronization information */
mtime_t delta_cr;
mtime_t cr_ref, sysdate_ref;
- mtime_t last_cr;
+ mtime_t last_cr; /* reference to detect unexpected stream
+ * discontinuities */
+ mtime_t last_syscr;
count_t c_average_count;
/* counter used to compute dynamic average values */
int i_synchro_state;
- boolean_t b_discontinuity;
/* Demultiplexer data */
void * p_demux_data;
- /* Decoders control */
- struct vout_thread_s * p_vout;
- struct aout_thread_s * p_aout;
-
int i_es_number; /* size of the following array */
es_descriptor_t ** pp_es; /* array of pointers to ES */
} pgrm_descriptor_t;
#define SYNCHRO_START 1
#define SYNCHRO_REINIT 2
+/*****************************************************************************
+ * input_area_t
+ *****************************************************************************
+ * Attributes for current area (title for DVD)
+ *****************************************************************************/
+typedef struct input_area_s
+{
+ /* selected area attributes */
+ 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 */
+ int i_part_nb; /* number of parts (chapter for DVD)*/
+ int i_part; /* currently selected part */
+
+ int i_angle_nb; /* number of angles/title units */
+ int i_angle;
+
+ /* offset to plugin related data */
+ off_t i_plugin_data;
+} input_area_t;
+
/*****************************************************************************
* stream_descriptor_t
*****************************************************************************
typedef struct stream_descriptor_s
{
u16 i_stream_id; /* stream id */
+ boolean_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 */
+ int i_method; /* input method for stream: file,
+ disc or network */
boolean_t b_pace_control; /* can we read when we want ? */
boolean_t b_seekable; /* can we do lseek() ? */
+
/* if (b_seekable) : */
- off_t i_size; /* total size of the file
- * (in arbitrary units) */
- off_t i_tell; /* actual location in the file
- * (in arbitrary units) */
- off_t i_seek; /* next requested location (changed
- * by the interface thread */
+ 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 */
+
+ u32 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 */
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 */
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 */
int i_es_number;
es_descriptor_t ** pp_es; /* carried elementary streams */
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;
-} stream_descriptor_t;
-/*****************************************************************************
- * i_p_config_t
- *****************************************************************************
- * This structure gives plugins pointers to the useful functions of input
- *****************************************************************************/
-struct input_thread_s;
-struct data_packet_s;
-struct es_descriptor_s;
+ /* Statistics */
+ count_t c_packets_read; /* packets read */
+ count_t c_packets_trashed; /* trashed packets */
+} stream_descriptor_t;
-typedef struct i_p_config_s
-{
- int (* pf_peek_stream)( struct input_thread_s *,
- byte_t * buffer, size_t );
- void (* pf_demux_pes)( struct input_thread_s *,
- struct data_packet_s *,
- struct es_descriptor_s *,
- boolean_t b_unit_start,
- boolean_t b_packet_lost );
-} i_p_config_t;
+#define MUTE_NO_CHANGE -1
/*****************************************************************************
* input_thread_t
*****************************************************************************
* This structure includes all the local static variables of an input thread
*****************************************************************************/
-struct aout_thread_s;
struct vout_thread_s;
+struct bit_stream_s;
typedef struct input_thread_s
{
/* Thread properties and locks */
boolean_t b_die; /* 'die' flag */
boolean_t b_error;
+ boolean_t b_eof;
vlc_thread_t thread_id; /* id for thread functions */
int * pi_status; /* temporary status flag */
- struct input_config_s * p_config;
+ /* Input module */
+ struct module_s * p_input_module;
+
+ /* Init/End */
+ void (* pf_init)( struct input_thread_s * );
+ void (* pf_open)( struct input_thread_s * );
+ void (* pf_close)( struct input_thread_s * );
+ void (* pf_end)( struct input_thread_s * );
+ void (* pf_init_bit_stream)( struct bit_stream_s *,
+ struct decoder_fifo_s *,
+ void (* pf_bitstream_callback)( struct bit_stream_s *,
+ boolean_t ),
+ void * );
+
+ /* Read & Demultiplex */
+ int (* pf_read)( struct input_thread_s *,
+ struct data_packet_s ** );
+ void (* pf_demux)( struct input_thread_s *,
+ struct data_packet_s * );
+
+ /* Packet management facilities */
+ struct data_packet_s *(*pf_new_packet)( void *, size_t );
+ struct pes_packet_s *(* pf_new_pes)( void * );
+ void (* pf_delete_packet)( void *,
+ struct data_packet_s * );
+ void (* pf_delete_pes)( void *, struct pes_packet_s * );
+
+ /* Stream control capabilities */
+ int (* pf_set_program)( struct input_thread_s *,
+ struct pgrm_descriptor_s * );
+ int (* pf_set_area)( struct input_thread_s *,
+ struct input_area_s * );
+ int (* pf_rewind)( struct input_thread_s * );
+ /* NULL if we don't support going *
+ * backwards (it's gonna be fun) */
+ void (* pf_seek)( struct input_thread_s *, off_t );
- struct input_capabilities_s *
- pp_plugins[INPUT_MAX_PLUGINS];/* list of plugins */
- struct input_capabilities_s *
- p_plugin; /* selected plugin */
- i_p_config_t i_p_config; /* plugin configuration */
+ char * p_source;
int i_handle; /* socket or file descriptor */
+ FILE * p_stream; /* if applicable */
+ void * p_handle; /* if i_handle isn't suitable */
void * p_method_data; /* data of the packet manager */
void * p_plugin_data; /* data of the plugin */
/* General stream description */
stream_descriptor_t stream; /* PAT tables */
- /* For auto-launch of decoders */
- struct aout_thread_s * p_default_aout;
- struct vout_thread_s * p_default_vout;
-
-#ifdef STATS
count_t c_loops;
- count_t c_bytes; /* bytes read */
- count_t c_payload_bytes; /* payload useful bytes */
- count_t c_packets_read; /* packets read */
- count_t c_packets_trashed; /* trashed packets */
-#endif
} input_thread_t;
-
-/*
- * Communication interface -> input
- */
-
-/*****************************************************************************
- * input_config_t
- *****************************************************************************
- * This structure is given by the interface to an input thread
- *****************************************************************************/
-typedef struct input_config_s
-{
- /* Input method description */
- int i_method; /* input method */
- char * p_source; /* source */
-
- /* For auto-launch of decoders */
- struct aout_thread_s * p_default_aout;
- struct vout_thread_s * p_default_vout;
-} input_config_t;
-
/* Input methods */
-#define INPUT_METHOD_NONE 0 /* input thread is inactive */
-#define INPUT_METHOD_FILE 10 /* stream is read from file p_source */
-#define INPUT_METHOD_DVD 11 /* stream is read from dvd device */
-#define INPUT_METHOD_UCAST 20 /* UDP unicast */
-#define INPUT_METHOD_MCAST 21 /* UDP multicast */
-#define INPUT_METHOD_BCAST 22 /* UDP broadcast */
-#define INPUT_METHOD_VLAN_BCAST 32 /* UDP broadcast with VLANs */
+/* 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_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 */
+
+
+/* Status changing methods */
+#define INPUT_STATUS_END 0
+#define INPUT_STATUS_PLAY 1
+#define INPUT_STATUS_PAUSE 2
+#define INPUT_STATUS_FASTER 3
+#define INPUT_STATUS_SLOWER 4
/*****************************************************************************
* Prototypes
*****************************************************************************/
-struct input_thread_s * input_CreateThread( struct input_config_s *,
- int *pi_status );
-void input_DestroyThread( struct input_thread_s *,
+#ifndef PLUGIN
+struct input_thread_s * input_CreateThread ( struct playlist_item_s *,
int *pi_status );
-void input_PauseProgram( struct input_thread_s *,
- struct pgrm_descriptor_s * );
-void input_PlayProgram( struct input_thread_s *,
- struct pgrm_descriptor_s * );
-void input_FFProgram( struct input_thread_s *,
- struct pgrm_descriptor_s * );
-void input_SMProgram( struct input_thread_s *,
- struct pgrm_descriptor_s * );
-void input_RewindProgram( struct input_thread_s *,
- struct pgrm_descriptor_s * );
+void input_DestroyThread ( struct input_thread_s *, int *pi_status );
+
+void input_SetStatus ( struct input_thread_s *, int );
+void input_Seek ( struct input_thread_s *, off_t );
+void input_DumpStream ( struct input_thread_s * );
+char * input_OffsetToTime ( struct input_thread_s *, char *, off_t );
+int input_ChangeES ( struct input_thread_s *,
+ struct es_descriptor_s *, u8 );
+int input_ToggleES ( struct input_thread_s *,
+ struct es_descriptor_s *, boolean_t );
+int input_ChangeArea ( struct input_thread_s *, struct input_area_s * );
+int input_ToggleGrayscale( struct input_thread_s * );
+int input_ToggleMute ( struct input_thread_s * );
+int input_SetSMP ( struct input_thread_s *, int );
+#else
+# define input_SetStatus p_symbols->input_SetStatus
+# define input_Seek p_symbols->input_Seek
+# define input_DumpStream p_symbols->input_DumpStream
+# define input_OffsetToTime p_symbols->input_OffsetToTime
+# define input_ChangeES p_symbols->input_ChangeES
+# define input_ToggleES p_symbols->input_ToggleES
+# define input_ChangeArea p_symbols->input_ChangeArea
+#endif
+
projects / vlc / blobdiff