/usr/include/xine/xine_internal.h is in libxine2-dev 1.2.6-1.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2000-2013 the xine project
*
* This file is part of xine, a free video player.
*
* xine 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.
*
* xine 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*/
#ifndef HAVE_XINE_INTERNAL_H
#define HAVE_XINE_INTERNAL_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* include public part of xine header
*/
#include <xine.h>
#include <xine/refcounter.h>
#include <xine/input_plugin.h>
#include <xine/demux.h>
#include <xine/video_out.h>
#include <xine/audio_out.h>
#include <xine/metronom.h>
#include <xine/osd.h>
#include <xine/xineintl.h>
#include <xine/plugin_catalog.h>
#include <xine/video_decoder.h>
#include <xine/audio_decoder.h>
#include <xine/spu_decoder.h>
#include <xine/scratch.h>
#include <xine/broadcaster.h>
#include <xine/io_helper.h>
#include <xine/info_helper.h>
#include <xine/alphablend.h>
#define XINE_MAX_EVENT_LISTENERS 50
#define XINE_MAX_EVENT_TYPES 100
#define XINE_MAX_TICKET_HOLDER_THREADS 64
/* used by plugin loader */
#define XINE_VERSION_CODE XINE_MAJOR_VERSION*10000+XINE_MINOR_VERSION*100+XINE_SUB_VERSION
/*
* log constants
*/
#define XINE_LOG_MSG 0 /* warnings, errors, ... */
#define XINE_LOG_PLUGIN 1
#define XINE_LOG_TRACE 2
#define XINE_LOG_NUM 3 /* # of log buffers defined */
#define XINE_STREAM_INFO_MAX 99
typedef struct xine_ticket_s xine_ticket_t;
/*
* the "big" xine struct, holding everything together
*/
#ifndef XDG_BASEDIR_H
/* present here for internal convenience only */
typedef struct { void *reserved; } xdgHandle;
#endif
struct xine_s {
config_values_t *config;
plugin_catalog_t *plugin_catalog;
int verbosity;
int demux_strategy;
char *save_path;
/* log output that may be presented to the user */
scratch_buffer_t *log_buffers[XINE_LOG_NUM];
xine_list_t *streams;
pthread_mutex_t streams_lock;
metronom_clock_t *clock;
/** Handle for libxdg-basedir functions. */
xdgHandle basedir_handle;
#ifdef XINE_ENGINE_INTERNAL
xine_ticket_t *port_ticket;
pthread_mutex_t log_lock;
xine_log_cb_t log_cb;
void *log_cb_user_data;
#endif
};
/* FIXME-ABI Some global flag bits */
/* See xine_set_flags() */
#ifdef XINE_ENGINE_INTERNAL
extern int _x_flags XINE_PROTECTED;
#endif
/*
* xine thread tickets
*/
struct xine_ticket_s {
/* the ticket owner must assure to check for ticket revocation in
* intervals of finite length; this means that you must release
* the ticket before any operation that might block
*
* you must never write to this member directly
*/
int ticket_revoked;
/* apply for a ticket; between acquire and relese of an irrevocable
* ticket (be sure to pair them properly!), it is guaranteed that you
* will never be blocked by ticket revocation */
void (*acquire)(xine_ticket_t *self, int irrevocable);
/* give a ticket back */
void (*release)(xine_ticket_t *self, int irrevocable);
/* renew a ticket, when it has been revoked, see ticket_revoked above;
* irrevocable must be set to one, if your thread might have acquired
* irrevocable tickets you don't know of; set it to zero only when
* you know that this is impossible */
void (*renew)(xine_ticket_t *self, int irrevocable);
#ifdef XINE_ENGINE_INTERNAL
/* allow handing out new tickets */
void (*issue)(xine_ticket_t *self, int atomic);
/* revoke all tickets and deny new ones;
* a pair of atomic revoke and issue cannot be interrupted by another
* revocation or by other threads acquiring tickets */
void (*revoke)(xine_ticket_t *self, int atomic);
/* behaves like acquire() but doesn't block the calling thread; when
* the thread would have been blocked, 0 is returned otherwise 1
* this function acquires a ticket even if ticket revocation is active */
int (*acquire_nonblocking)(xine_ticket_t *self, int irrevocable);
/* behaves like release() but doesn't block the calling thread; should
* be used in combination with acquire_nonblocking() */
void (*release_nonblocking)(xine_ticket_t *self, int irrevocable);
int (*lock_port_rewiring)(xine_ticket_t *self, int ms_timeout);
void (*unlock_port_rewiring)(xine_ticket_t *self);
void (*dispose)(xine_ticket_t *self);
pthread_mutex_t lock;
pthread_mutex_t revoke_lock;
pthread_cond_t issued;
pthread_cond_t revoked;
int tickets_granted;
int irrevocable_tickets;
int pending_revocations;
int atomic_revoke;
pthread_t atomic_revoker_thread;
pthread_mutex_t port_rewiring_lock;
struct {
int count;
pthread_t holder;
} *holder_threads;
unsigned holder_thread_count;
#endif
};
/*
* xine event queue
*/
struct xine_event_queue_s {
xine_list_t *events;
pthread_mutex_t lock;
pthread_cond_t new_event;
pthread_cond_t events_processed;
xine_stream_t *stream;
pthread_t *listener_thread;
void *user_data;
xine_event_listener_cb_t callback;
int callback_running;
};
/*
* xine_stream - per-stream parts of the xine engine
*/
struct xine_stream_s {
/* reference to xine context */
xine_t *xine;
/* metronom instance used by current stream */
metronom_t *metronom;
/* demuxers use input_plugin to read data */
input_plugin_t *input_plugin;
/* used by video decoders */
xine_video_port_t *video_out;
/* demuxers send data to video decoders using this fifo */
fifo_buffer_t *video_fifo;
/* used by audio decoders */
xine_audio_port_t *audio_out;
/* demuxers send data to audio decoders using this fifo */
fifo_buffer_t *audio_fifo;
/* provide access to osd api */
osd_renderer_t *osd_renderer;
/* master/slave streams */
xine_stream_t *master; /* usually a pointer to itself */
xine_stream_t *slave;
/* input_dvd uses this one. is it possible to add helper functions instead? */
spu_decoder_t *spu_decoder_plugin;
/* dxr3 use this one, should be possible to fix to use the port instead */
vo_driver_t *video_driver;
/* these definitely should be made private! */
int audio_channel_auto;
int spu_decoder_streamtype;
int spu_channel_user;
int spu_channel_auto;
int spu_channel_letterbox;
int spu_channel;
/* current content detection method, see METHOD_BY_xxx */
int content_detection_method;
#ifdef XINE_ENGINE_INTERNAL
/* these are private variables, plugins must not access them */
int status;
/* lock controlling speed change access */
pthread_mutex_t speed_change_lock;
uint32_t ignore_speed_change:1; /*< speed changes during stop can be disastrous */
uint32_t video_thread_created:1;
uint32_t audio_thread_created:1;
uint32_t first_frame_flag:2;
uint32_t demux_action_pending:1;
uint32_t demux_thread_created:1;
uint32_t demux_thread_running:1;
uint32_t slave_is_subtitle:1; /*< ... and will be automaticaly disposed */
uint32_t emergency_brake:1; /*< something went really wrong and this stream must be
* stopped. usually due some fatal error on output
* layers as they cannot call xine_stop. */
uint32_t early_finish_event:1; /*< do not wait fifos get empty before sending event */
uint32_t gapless_switch:1; /*< next stream switch will be gapless */
uint32_t keep_ao_driver_open:1;
input_class_t *eject_class;
demux_plugin_t *demux_plugin;
/* vo_driver_t *video_driver;*/
pthread_t video_thread;
video_decoder_t *video_decoder_plugin;
extra_info_t *video_decoder_extra_info;
int video_decoder_streamtype;
int video_channel;
uint32_t audio_track_map[50];
int audio_track_map_entries;
int audio_decoder_streamtype;
pthread_t audio_thread;
audio_decoder_t *audio_decoder_plugin;
extra_info_t *audio_decoder_extra_info;
uint32_t audio_type;
/* *_user: -2 => off
-1 => auto (use *_auto value)
>=0 => respect the user's choice
*/
int audio_channel_user;
/* int audio_channel_auto; */
/* spu_decoder_t *spu_decoder_plugin; */
/* int spu_decoder_streamtype; */
uint32_t spu_track_map[50];
int spu_track_map_entries;
/* int spu_channel_user; */
/* int spu_channel_auto; */
/* int spu_channel_letterbox; */
int spu_channel_pan_scan;
/* int spu_channel; */
/* lock for public xine player functions */
pthread_mutex_t frontend_lock;
/* stream meta information */
/* NEVER access directly, use helpers (see info_helper.c) */
pthread_mutex_t info_mutex;
int stream_info_public[XINE_STREAM_INFO_MAX];
int stream_info[XINE_STREAM_INFO_MAX];
pthread_mutex_t meta_mutex;
char *meta_info_public[XINE_STREAM_INFO_MAX];
char *meta_info[XINE_STREAM_INFO_MAX];
/* seeking slowdown */
pthread_mutex_t first_frame_lock;
pthread_cond_t first_frame_reached;
/* wait for headers sent / stream decoding finished */
pthread_mutex_t counter_lock;
pthread_cond_t counter_changed;
int header_count_audio;
int header_count_video;
int finished_count_audio;
int finished_count_video;
/* event mechanism */
xine_list_t *event_queues;
pthread_mutex_t event_queues_lock;
/* demux thread stuff */
pthread_t demux_thread;
pthread_mutex_t demux_lock;
pthread_mutex_t demux_action_lock;
pthread_cond_t demux_resume;
pthread_mutex_t demux_mutex; /* used in _x_demux_... functions to synchronize order of pairwise A/V buffer operations */
extra_info_t *current_extra_info;
pthread_mutex_t current_extra_info_lock;
int video_seek_count;
int delay_finish_event; /* delay event in 1/10 sec units. 0=>no delay, -1=>forever */
int slave_affection; /* what operations need to be propagated down to the slave? */
int err;
xine_post_out_t video_source;
xine_post_out_t audio_source;
broadcaster_t *broadcaster;
refcounter_t *refcounter;
#endif
};
/* when explicitly noted, some functions accept an anonymous stream,
* which is a valid stream that does not want to be addressed. */
#define XINE_ANON_STREAM ((xine_stream_t *)-1)
typedef struct
{
int total;
int ready;
int avail;
}
xine_query_buffers_data_t;
typedef struct
{
xine_query_buffers_data_t vi;
xine_query_buffers_data_t ai;
xine_query_buffers_data_t vo;
xine_query_buffers_data_t ao;
}
xine_query_buffers_t;
/*
* private function prototypes:
*/
int _x_query_buffers(xine_stream_t *stream, xine_query_buffers_t *query) XINE_PROTECTED;
int _x_query_buffer_usage(xine_stream_t *stream, int *num_video_buffers, int *num_audio_buffers, int *num_video_frames, int *num_audio_frames) XINE_PROTECTED;
int _x_lock_port_rewiring(xine_t *xine, int ms_to_time_out) XINE_PROTECTED;
void _x_unlock_port_rewiring(xine_t *xine) XINE_PROTECTED;
int _x_lock_frontend(xine_stream_t *stream, int ms_to_time_out) XINE_PROTECTED;
void _x_unlock_frontend(xine_stream_t *stream) XINE_PROTECTED;
int _x_query_unprocessed_osd_events(xine_stream_t *stream) XINE_PROTECTED;
int _x_demux_seek(xine_stream_t *stream, off_t start_pos, int start_time, int playing) XINE_PROTECTED;
int _x_continue_stream_processing(xine_stream_t *stream) XINE_PROTECTED;
void _x_trigger_relaxed_frame_drop_mode(xine_stream_t *stream) XINE_PROTECTED;
void _x_reset_relaxed_frame_drop_mode(xine_stream_t *stream) XINE_PROTECTED;
void _x_handle_stream_end (xine_stream_t *stream, int non_user) XINE_PROTECTED;
/* report message to UI. usually these are async errors */
int _x_message(xine_stream_t *stream, int type, ...) XINE_SENTINEL XINE_PROTECTED;
/* flush the message queues */
void _x_flush_events_queues (xine_stream_t *stream) XINE_PROTECTED;
/* extra_info operations */
void _x_extra_info_reset( extra_info_t *extra_info ) XINE_PROTECTED;
void _x_extra_info_merge( extra_info_t *dst, extra_info_t *src ) XINE_PROTECTED;
void _x_get_current_info (xine_stream_t *stream, extra_info_t *extra_info, int size) XINE_PROTECTED;
/* demuxer helper functions from demux.c */
/*
* Flush audio and video buffers. It is called from demuxers on
* seek/stop, and may be useful when user input changes a stream and
* xine-lib has cached buffers that have yet to be played.
*
* warning: after clearing decoders fifos an absolute discontinuity
* indication must be sent. relative discontinuities are likely
* to cause "jumps" on metronom.
*/
void _x_demux_flush_engine (xine_stream_t *stream) XINE_PROTECTED;
void _x_demux_control_nop (xine_stream_t *stream, uint32_t flags) XINE_PROTECTED;
void _x_demux_control_newpts (xine_stream_t *stream, int64_t pts, uint32_t flags) XINE_PROTECTED;
void _x_demux_control_headers_done (xine_stream_t *stream) XINE_PROTECTED;
void _x_demux_control_start (xine_stream_t *stream) XINE_PROTECTED;
void _x_demux_control_end (xine_stream_t *stream, uint32_t flags) XINE_PROTECTED;
int _x_demux_start_thread (xine_stream_t *stream) XINE_PROTECTED;
int _x_demux_stop_thread (xine_stream_t *stream) XINE_PROTECTED;
int _x_demux_read_header (input_plugin_t *input, void *buffer, off_t size) XINE_PROTECTED;
int _x_demux_check_extension (const char *mrl, const char *extensions);
off_t _x_read_abort (xine_stream_t *stream, int fd, char *buf, off_t todo) XINE_PROTECTED;
int _x_action_pending (xine_stream_t *stream) XINE_PROTECTED;
void _x_action_raise (xine_stream_t *stream) XINE_PROTECTED;
void _x_action_lower (xine_stream_t *stream) XINE_PROTECTED;
void _x_demux_send_data(fifo_buffer_t *fifo, uint8_t *data, int size,
int64_t pts, uint32_t type, uint32_t decoder_flags,
int input_normpos, int input_time, int total_time,
uint32_t frame_number) XINE_PROTECTED;
int _x_demux_read_send_data(fifo_buffer_t *fifo, input_plugin_t *input,
int size, int64_t pts, uint32_t type,
uint32_t decoder_flags, off_t input_normpos,
int input_time, int total_time,
uint32_t frame_number) XINE_PROTECTED;
void _x_demux_send_mrl_reference (xine_stream_t *stream, int alternative,
const char *mrl, const char *title,
int start_time, int duration) XINE_PROTECTED;
/*
* MRL escaped-character decoding (overwrites the source string)
*/
void _x_mrl_unescape(char *mrl) XINE_PROTECTED;
/*
* Return a copy of mrl without authentication credentials
*/
char *_x_mrl_remove_auth(const char *mrl) XINE_PROTECTED;
/*
* plugin_loader functions
*
*/
/* on-demand loading of audio/video/spu decoder plugins */
video_decoder_t *_x_get_video_decoder (xine_stream_t *stream, uint8_t stream_type) XINE_PROTECTED;
void _x_free_video_decoder (xine_stream_t *stream, video_decoder_t *decoder) XINE_PROTECTED;
audio_decoder_t *_x_get_audio_decoder (xine_stream_t *stream, uint8_t stream_type) XINE_PROTECTED;
void _x_free_audio_decoder (xine_stream_t *stream, audio_decoder_t *decoder) XINE_PROTECTED;
spu_decoder_t *_x_get_spu_decoder (xine_stream_t *stream, uint8_t stream_type) XINE_PROTECTED;
void _x_free_spu_decoder (xine_stream_t *stream, spu_decoder_t *decoder) XINE_PROTECTED;
/* check for decoder availability - but don't try to initialize it */
int _x_decoder_available (xine_t *xine, uint32_t buftype) XINE_PROTECTED;
/*
* load_video_output_plugin
*
* load a specific video output plugin
*/
vo_driver_t *_x_load_video_output_plugin(xine_t *this,
char *id, int visual_type, void *visual) XINE_PROTECTED;
/*
* audio output plugin dynamic loading stuff
*/
/*
* load_audio_output_plugin
*
* load a specific audio output plugin
*/
ao_driver_t *_x_load_audio_output_plugin (xine_t *self, const char *id) XINE_PROTECTED;
void _x_set_speed (xine_stream_t *stream, int speed) XINE_PROTECTED;
int _x_get_speed (xine_stream_t *stream) XINE_PROTECTED;
void _x_set_fine_speed (xine_stream_t *stream, int speed) XINE_PROTECTED;
int _x_get_fine_speed (xine_stream_t *stream) XINE_PROTECTED;
void _x_select_spu_channel (xine_stream_t *stream, int channel) XINE_PROTECTED;
int _x_get_audio_channel (xine_stream_t *stream) XINE_PROTECTED;
int _x_get_spu_channel (xine_stream_t *stream) XINE_PROTECTED;
/*
* internal events
*/
/* sent by dvb frontend to inform ts demuxer of new pids */
#define XINE_EVENT_PIDS_CHANGE 0x80000000
/* sent by BluRay input plugin to inform ts demuxer about end of clip */
#define XINE_EVENT_END_OF_CLIP 0x80000001
/*
* pids change event - inform ts demuxer of new pids
*/
typedef struct {
int vpid; /* video program id */
int apid; /* audio program id */
} xine_pids_data_t;
#ifdef __cplusplus
}
#endif
#endif
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