X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcontrol%2Fmedia_player.c;h=ce4cd0b1a8055760e8c2992e391dc17a45edf375;hb=78d87996ccb92d1dc91c9987685f976ed3be08a6;hp=bc026a94a0c2ad659cb29f3e5c11f1566345116c;hpb=ee1330c497b5c78f5fcfd0145391f219e489e13a;p=vlc diff --git a/src/control/media_player.c b/src/control/media_player.c index bc026a94a0..ce4cd0b1a8 100644 --- a/src/control/media_player.c +++ b/src/control/media_player.c @@ -1,7 +1,7 @@ /***************************************************************************** * media_player.c: Libvlc API Media Instance management functions ***************************************************************************** - * Copyright (C) 2005 the VideoLAN team + * Copyright (C) 2005-2009 the VideoLAN team * $Id$ * * Authors: Clément Stenac @@ -26,12 +26,10 @@ #include #include #include +#include #include "libvlc.h" +#include -static int -input_state_changed( vlc_object_t * p_this, char const * psz_cmd, - vlc_value_t oldval, vlc_value_t newval, - void * p_userdata ); static int input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd, vlc_value_t oldval, vlc_value_t newval, @@ -41,38 +39,37 @@ input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd, vlc_value_t oldval, vlc_value_t newval, void * p_userdata ); static int -input_position_changed( vlc_object_t * p_this, char const * psz_cmd, - vlc_value_t oldval, vlc_value_t newval, - void * p_userdata ); -static int -input_time_changed( vlc_object_t * p_this, char const * psz_cmd, +input_event_changed( vlc_object_t * p_this, char const * psz_cmd, vlc_value_t oldval, vlc_value_t newval, void * p_userdata ); +static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd, + vlc_value_t oldval, vlc_value_t newval, void *p_data ); + static const libvlc_state_t vlc_to_libvlc_state_array[] = { - [INIT_S] = libvlc_Opening, + [INIT_S] = libvlc_NothingSpecial, [OPENING_S] = libvlc_Opening, - [BUFFERING_S] = libvlc_Buffering, - [PLAYING_S] = libvlc_Playing, - [PAUSE_S] = libvlc_Paused, - [END_S] = libvlc_Ended, - [ERROR_S] = libvlc_Error, + [PLAYING_S] = libvlc_Playing, + [PAUSE_S] = libvlc_Paused, + [END_S] = libvlc_Ended, + [ERROR_S] = libvlc_Error, }; + static inline libvlc_state_t vlc_to_libvlc_state( int vlc_state ) { if( vlc_state < 0 || vlc_state > 6 ) - return libvlc_Stopped; + return libvlc_Ended; return vlc_to_libvlc_state_array[vlc_state]; } /* - * Release the associated input thread + * Release the associated input thread. * * Object lock is NOT held. */ -static void release_input_thread( libvlc_media_player_t *p_mi ) +static void release_input_thread( libvlc_media_player_t *p_mi, bool b_input_abort ) { input_thread_t * p_input_thread; @@ -81,20 +78,20 @@ static void release_input_thread( libvlc_media_player_t *p_mi ) p_input_thread = p_mi->p_input_thread; - /* No one is tracking this input_thread appart us. Destroy it */ - if( p_mi->b_own_its_input_thread ) - { - var_DelCallback( p_input_thread, "state", input_state_changed, p_mi ); - var_DelCallback( p_input_thread, "seekable", input_seekable_changed, p_mi ); - var_DelCallback( p_input_thread, "pausable", input_pausable_changed, p_mi ); - var_DelCallback( p_input_thread, "intf-change", input_position_changed, p_mi ); - var_DelCallback( p_input_thread, "intf-change", input_time_changed, p_mi ); + var_DelCallback( p_input_thread, "can-seek", + input_seekable_changed, p_mi ); + var_DelCallback( p_input_thread, "can-pause", + input_pausable_changed, p_mi ); + var_DelCallback( p_input_thread, "intf-event", + input_event_changed, p_mi ); - /* We owned this one */ - input_StopThread( p_input_thread ); + /* We owned this one */ + input_Stop( p_input_thread, b_input_abort ); + vlc_thread_join( p_input_thread ); - var_Destroy( p_input_thread, "drawable" ); - } + var_Destroy( p_input_thread, "drawable-hwnd" ); + var_Destroy( p_input_thread, "drawable-xid" ); + var_Destroy( p_input_thread, "drawable-agl" ); vlc_object_release( p_input_thread ); @@ -105,7 +102,7 @@ static void release_input_thread( libvlc_media_player_t *p_mi ) * Retrieve the input thread. Be sure to release the object * once you are done with it. (libvlc Internal) * - * Object lock is held. + * Function will lock the object. */ input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) @@ -113,7 +110,7 @@ input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi, input_thread_t *p_input_thread; if( !p_mi ) RAISENULL( "Media Instance is NULL" ); - + vlc_mutex_lock( &p_mi->object_lock ); if( !p_mi->p_input_thread ) @@ -123,54 +120,13 @@ input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi, } p_input_thread = p_mi->p_input_thread; - vlc_object_yield( p_input_thread ); + vlc_object_hold( p_input_thread ); vlc_mutex_unlock( &p_mi->object_lock ); return p_input_thread; } -/* - * input_state_changed (Private) (input var "state" Callback) - */ -static int -input_state_changed( vlc_object_t * p_this, char const * psz_cmd, - vlc_value_t oldval, vlc_value_t newval, - void * p_userdata ) -{ - VLC_UNUSED(oldval); - VLC_UNUSED(p_this); - VLC_UNUSED(psz_cmd); - libvlc_media_player_t * p_mi = p_userdata; - libvlc_event_t event; - libvlc_event_type_t type = newval.i_int; - - switch ( type ) - { - case END_S: - libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL); - event.type = libvlc_MediaInstanceEndReached; - break; - case PAUSE_S: - libvlc_media_set_state( p_mi->p_md, libvlc_Playing, NULL); - event.type = libvlc_MediaInstancePaused; - break; - case PLAYING_S: - libvlc_media_set_state( p_mi->p_md, libvlc_Playing, NULL); - event.type = libvlc_MediaInstancePlayed; - break; - case ERROR_S: - libvlc_media_set_state( p_mi->p_md, libvlc_Error, NULL); - event.type = libvlc_MediaInstanceEncounteredError; - break; - default: - return VLC_SUCCESS; - } - - libvlc_event_send( p_mi->p_event_manager, &event ); - return VLC_SUCCESS; -} - static int input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd, vlc_value_t oldval, vlc_value_t newval, @@ -183,7 +139,7 @@ input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd, libvlc_event_t event; libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL); - event.type = libvlc_MediaInstanceSeekableChanged; + event.type = libvlc_MediaPlayerSeekableChanged; event.u.media_player_seekable_changed.new_seekable = newval.b_bool; libvlc_event_send( p_mi->p_event_manager, &event ); @@ -202,80 +158,107 @@ input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd, libvlc_event_t event; libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL); - event.type = libvlc_MediaInstancePausableChanged; + event.type = libvlc_MediaPlayerPausableChanged; event.u.media_player_pausable_changed.new_pausable = newval.b_bool; libvlc_event_send( p_mi->p_event_manager, &event ); return VLC_SUCCESS; } -/* - * input_position_changed (Private) (input var "intf-change" Callback) - */ static int -input_position_changed( vlc_object_t * p_this, char const * psz_cmd, +input_event_changed( vlc_object_t * p_this, char const * psz_cmd, vlc_value_t oldval, vlc_value_t newval, void * p_userdata ) { VLC_UNUSED(oldval); + input_thread_t * p_input = (input_thread_t *)p_this; libvlc_media_player_t * p_mi = p_userdata; - vlc_value_t val; - - if (!strncmp(psz_cmd, "intf", 4 /* "-change" no need to go further */)) - { - input_thread_t * p_input = (input_thread_t *)p_this; - - var_Get( p_input, "state", &val ); - if( val.i_int != PLAYING_S ) - return VLC_SUCCESS; /* Don't send the position while stopped */ - - var_Get( p_input, "position", &val ); - } - else - val.i_time = newval.i_time; - libvlc_event_t event; - event.type = libvlc_MediaInstancePositionChanged; - event.u.media_player_position_changed.new_position = val.f_float; - libvlc_event_send( p_mi->p_event_manager, &event ); - return VLC_SUCCESS; -} + assert( !strcmp( psz_cmd, "intf-event" ) ); -/* - * input_time_changed (Private) (input var "intf-change" Callback) - */ -static int -input_time_changed( vlc_object_t * p_this, char const * psz_cmd, - vlc_value_t oldval, vlc_value_t newval, - void * p_userdata ) -{ - VLC_UNUSED(oldval); - libvlc_media_player_t * p_mi = p_userdata; - vlc_value_t val; - - if (!strncmp(psz_cmd, "intf", 4 /* "-change" no need to go further */)) + if( newval.i_int == INPUT_EVENT_STATE ) + { + libvlc_state_t libvlc_state; + + switch ( var_GetInteger( p_input, "state" ) ) + { + case INIT_S: + libvlc_state = libvlc_NothingSpecial; + event.type = libvlc_MediaPlayerNothingSpecial; + break; + case OPENING_S: + libvlc_state = libvlc_Opening; + event.type = libvlc_MediaPlayerOpening; + break; + case PLAYING_S: + libvlc_state = libvlc_Playing; + event.type = libvlc_MediaPlayerPlaying; + break; + case PAUSE_S: + libvlc_state = libvlc_Paused; + event.type = libvlc_MediaPlayerPaused; + break; + case END_S: + libvlc_state = libvlc_Ended; + event.type = libvlc_MediaPlayerEndReached; + break; + case ERROR_S: + libvlc_state = libvlc_Error; + event.type = libvlc_MediaPlayerEncounteredError; + break; + + default: + return VLC_SUCCESS; + } + + libvlc_media_set_state( p_mi->p_md, libvlc_state, NULL ); + libvlc_event_send( p_mi->p_event_manager, &event ); + } + else if( newval.i_int == INPUT_EVENT_POSITION ) { - input_thread_t * p_input = (input_thread_t *)p_this; - - var_Get( p_input, "state", &val ); - if( val.i_int != PLAYING_S ) + if( var_GetInteger( p_input, "state" ) != PLAYING_S ) return VLC_SUCCESS; /* Don't send the position while stopped */ - var_Get( p_input, "time", &val ); + /* */ + event.type = libvlc_MediaPlayerPositionChanged; + event.u.media_player_position_changed.new_position = + var_GetFloat( p_input, "position" ); + libvlc_event_send( p_mi->p_event_manager, &event ); + + /* */ + event.type = libvlc_MediaPlayerTimeChanged; + event.u.media_player_time_changed.new_time = + var_GetTime( p_input, "time" ); + libvlc_event_send( p_mi->p_event_manager, &event ); + } + else if( newval.i_int == INPUT_EVENT_LENGTH ) + { + event.type = libvlc_MediaPlayerLengthChanged; + event.u.media_player_length_changed.new_length = + var_GetTime( p_input, "length" ); + libvlc_event_send( p_mi->p_event_manager, &event ); } - else - val.i_time = newval.i_time; - libvlc_event_t event; - event.type = libvlc_MediaInstanceTimeChanged; - event.u.media_player_time_changed.new_time = val.i_time; - libvlc_event_send( p_mi->p_event_manager, &event ); return VLC_SUCCESS; + } +static void libvlc_media_player_destroy( libvlc_media_player_t * ); + /************************************************************************** - * Create a Media Instance object + * Create a Media Instance object. + * + * Refcount strategy: + * - All items created by _new start with a refcount set to 1. + * - Accessor _release decrease the refcount by 1, if after that + * operation the refcount is 0, the object is destroyed. + * - Accessor _retain increase the refcount by 1 (XXX: to implement) + * + * Object locking strategy: + * - No lock held while in constructor. + * - When accessing any member variable this lock is held. (XXX who locks?) + * - When attempting to destroy the object the lock is also held. **************************************************************************/ libvlc_media_player_t * libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance, @@ -290,55 +273,80 @@ libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance, } p_mi = malloc( sizeof(libvlc_media_player_t) ); + if( !p_mi ) + { + libvlc_exception_raise( p_e, "Not enough memory" ); + return NULL; + } p_mi->p_md = NULL; - p_mi->drawable = 0; + p_mi->drawable.agl = 0; + p_mi->drawable.xid = 0; + p_mi->drawable.hwnd = NULL; p_mi->p_libvlc_instance = p_libvlc_instance; p_mi->p_input_thread = NULL; - /* refcount strategy: - * - All items created by _new start with a refcount set to 1 - * - Accessor _release decrease the refcount by 1, if after that - * operation the refcount is 0, the object is destroyed. - * - Accessor _retain increase the refcount by 1 (XXX: to implement) */ p_mi->i_refcount = 1; - p_mi->b_own_its_input_thread = VLC_TRUE; - /* object_lock strategy: - * - No lock held in constructor - * - Lock when accessing all variable this lock is held - * - Lock when attempting to destroy the object the lock is also held */ - vlc_mutex_init( p_mi->p_libvlc_instance->p_libvlc_int, - &p_mi->object_lock ); + vlc_mutex_init( &p_mi->object_lock ); p_mi->p_event_manager = libvlc_event_manager_new( p_mi, p_libvlc_instance, p_e ); if( libvlc_exception_raised( p_e ) ) { + vlc_mutex_destroy( &p_mi->object_lock ); free( p_mi ); return NULL; } libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstanceEndReached, p_e ); + libvlc_MediaPlayerNothingSpecial, p_e ); + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerOpening, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstanceStopped, p_e ); + libvlc_MediaPlayerBuffering, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstanceEncounteredError, p_e ); + libvlc_MediaPlayerPlaying, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstancePaused, p_e ); + libvlc_MediaPlayerPaused, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstancePlayed, p_e ); + libvlc_MediaPlayerStopped, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstancePositionChanged, p_e ); + libvlc_MediaPlayerForward, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstanceTimeChanged, p_e ); + libvlc_MediaPlayerBackward, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstanceSeekableChanged, p_e ); + libvlc_MediaPlayerEndReached, p_e ); libvlc_event_manager_register_event_type( p_mi->p_event_manager, - libvlc_MediaInstancePausableChanged, p_e ); + libvlc_MediaPlayerEncounteredError, p_e ); + + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerPositionChanged, p_e ); + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerTimeChanged, p_e ); + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerLengthChanged, p_e ); + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerTitleChanged, p_e ); + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerSeekableChanged, p_e ); + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerPausableChanged, p_e ); + + /* Snapshot initialization */ + libvlc_event_manager_register_event_type( p_mi->p_event_manager, + libvlc_MediaPlayerSnapshotTaken, p_e ); + + /* Attach a var callback to the global object to provide the glue between + vout_thread that generates the event and media_player that re-emits it + with its own event manager + */ + var_Create( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken", + VLC_VAR_STRING | VLC_VAR_ISCOMMAND ); + var_AddCallback( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken", + SnapshotTakenCallback, p_mi ); return p_mi; } /************************************************************************** - * Create a Media Instance object with a media descriptor + * Create a Media Instance object with a media descriptor. **************************************************************************/ libvlc_media_player_t * libvlc_media_player_new_from_media( @@ -346,8 +354,8 @@ libvlc_media_player_new_from_media( libvlc_exception_t *p_e ) { libvlc_media_player_t * p_mi; - p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e ); + p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e ); if( !p_mi ) return NULL; @@ -357,138 +365,95 @@ libvlc_media_player_new_from_media( return p_mi; } -/************************************************************************** - * Create a new media instance object from an input_thread (Libvlc Internal) - **************************************************************************/ -libvlc_media_player_t * libvlc_media_player_new_from_input_thread( - struct libvlc_instance_t *p_libvlc_instance, - input_thread_t *p_input, - libvlc_exception_t *p_e ) -{ - libvlc_media_player_t * p_mi; - - if( !p_input ) - { - libvlc_exception_raise( p_e, "invalid input thread" ); - return NULL; - } - - p_mi = libvlc_media_player_new( p_libvlc_instance, p_e ); - - if( !p_mi ) - return NULL; - - p_mi->p_md = libvlc_media_new_from_input_item( - p_libvlc_instance, - input_GetItem( p_input ), p_e ); - - if( !p_mi->p_md ) - { - libvlc_media_player_destroy( p_mi ); - return NULL; - } - - /* will be released in media_player_release() */ - vlc_object_yield( p_input ); - - p_mi->p_input_thread = p_input; - p_mi->b_own_its_input_thread = VLC_FALSE; - - return p_mi; -} - /************************************************************************** * Destroy a Media Instance object (libvlc internal) * - * Warning: No lock held here, but hey, this is internal. + * Warning: No lock held here, but hey, this is internal. Caller must lock. **************************************************************************/ -void libvlc_media_player_destroy( libvlc_media_player_t *p_mi ) +static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi ) { input_thread_t *p_input_thread; libvlc_exception_t p_e; - libvlc_exception_init( &p_e ); + assert( p_mi ); - if( !p_mi ) - return; + /* Detach Callback from the main libvlc object */ + var_DelCallback( p_mi->p_libvlc_instance->p_libvlc_int, + "vout-snapshottaken", SnapshotTakenCallback, p_mi ); + libvlc_exception_init( &p_e ); p_input_thread = libvlc_get_input_thread( p_mi, &p_e ); if( libvlc_exception_raised( &p_e ) ) - { - libvlc_event_manager_release( p_mi->p_event_manager ); + /* no need to worry about no input thread */ libvlc_exception_clear( &p_e ); - free( p_mi ); - return; /* no need to worry about no input thread */ - } - vlc_mutex_destroy( &p_mi->object_lock ); - - vlc_object_release( p_input_thread ); + else + release_input_thread( p_mi, true ); + libvlc_event_manager_release( p_mi->p_event_manager ); libvlc_media_release( p_mi->p_md ); - + vlc_mutex_destroy( &p_mi->object_lock ); free( p_mi ); } /************************************************************************** - * Release a Media Instance object + * Release a Media Instance object. + * + * Function does the locking. **************************************************************************/ void libvlc_media_player_release( libvlc_media_player_t *p_mi ) { - if( !p_mi ) - return; + bool destroy; + assert( p_mi ); vlc_mutex_lock( &p_mi->object_lock ); - - p_mi->i_refcount--; - - if( p_mi->i_refcount > 0 ) - { - vlc_mutex_unlock( &p_mi->object_lock ); - return; - } + destroy = !--p_mi->i_refcount; vlc_mutex_unlock( &p_mi->object_lock ); - vlc_mutex_destroy( &p_mi->object_lock ); - - release_input_thread( p_mi ); - libvlc_event_manager_release( p_mi->p_event_manager ); - - libvlc_media_release( p_mi->p_md ); - - free( p_mi ); + if( destroy ) + libvlc_media_player_destroy( p_mi ); } /************************************************************************** - * Retain a Media Instance object + * Retain a Media Instance object. + * + * Caller must hold the lock. **************************************************************************/ void libvlc_media_player_retain( libvlc_media_player_t *p_mi ) { - if( !p_mi ) - return; + assert( p_mi ); + vlc_mutex_lock( &p_mi->object_lock ); p_mi->i_refcount++; + vlc_mutex_unlock( &p_mi->object_lock ); } /************************************************************************** - * Set the Media descriptor associated with the instance + * Set the Media descriptor associated with the instance. + * + * Enter without lock -- function will lock the object. **************************************************************************/ void libvlc_media_player_set_media( libvlc_media_player_t *p_mi, libvlc_media_t *p_md, libvlc_exception_t *p_e ) { - (void)p_e; + VLC_UNUSED(p_e); if( !p_mi ) return; vlc_mutex_lock( &p_mi->object_lock ); - release_input_thread( p_mi ); + /* FIXME I am not sure if it is a user request or on die(eof/error) + * request here */ + release_input_thread( p_mi, + p_mi->p_input_thread && + !p_mi->p_input_thread->b_eof && + !p_mi->p_input_thread->b_error ); if( p_mi->p_md ) - libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL ); + libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, p_e ); libvlc_media_release( p_mi->p_md ); @@ -501,7 +466,7 @@ void libvlc_media_player_set_media( libvlc_media_retain( p_md ); p_mi->p_md = p_md; - + /* The policy here is to ignore that we were created using a different * libvlc_instance, because we don't really care */ p_mi->p_libvlc_instance = p_md->p_libvlc_instance; @@ -510,14 +475,14 @@ void libvlc_media_player_set_media( } /************************************************************************** - * Get the Media descriptor associated with the instance + * Get the Media descriptor associated with the instance. **************************************************************************/ libvlc_media_t * libvlc_media_player_get_media( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) { - (void)p_e; + VLC_UNUSED(p_e); if( !p_mi->p_md ) return NULL; @@ -527,20 +492,43 @@ libvlc_media_player_get_media( } /************************************************************************** - * Get the event Manager + * Get the event Manager. **************************************************************************/ libvlc_event_manager_t * libvlc_media_player_event_manager( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) { - (void)p_e; + VLC_UNUSED(p_e); return p_mi->p_event_manager; } /************************************************************************** - * Play + * Trigger a snapshot Taken Event. + *************************************************************************/ +static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd, + vlc_value_t oldval, vlc_value_t newval, void *p_data ) +{ + VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); + VLC_UNUSED(p_this) ; + + libvlc_media_player_t* p_mi = (libvlc_media_player_t*) p_data ; + libvlc_event_t event ; + event.type = libvlc_MediaPlayerSnapshotTaken ; + event.u.media_player_snapshot_taken.psz_filename = newval.psz_string ; + /* Snapshot psz data is a vlc_variable owned by libvlc object . + Its memmory management is taken care by the obj*/ + msg_Dbg( p_this, "about to emit libvlc_snapshot_taken.make psz_str=0x%p" + " (%s)", event.u.media_player_snapshot_taken.psz_filename, + event.u.media_player_snapshot_taken.psz_filename ); + libvlc_event_send( p_mi->p_event_manager, &event ); + + return VLC_SUCCESS; +} + +/************************************************************************** + * Tell media player to start playing. **************************************************************************/ void libvlc_media_player_play( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) @@ -559,7 +547,7 @@ void libvlc_media_player_play( libvlc_media_player_t *p_mi, libvlc_exception_clear( p_e ); vlc_mutex_lock( &p_mi->object_lock ); - + if( !p_mi->p_md ) { libvlc_exception_raise( p_e, "no associated media descriptor" ); @@ -567,9 +555,8 @@ void libvlc_media_player_play( libvlc_media_player_t *p_mi, return; } - p_mi->p_input_thread = input_CreateThread( p_mi->p_libvlc_instance->p_libvlc_int, - p_mi->p_md->p_input_item ); - + p_mi->p_input_thread = input_Create( p_mi->p_libvlc_instance->p_libvlc_int, + p_mi->p_md->p_input_item, NULL, NULL ); if( !p_mi->p_input_thread ) { @@ -579,36 +566,53 @@ void libvlc_media_player_play( libvlc_media_player_t *p_mi, p_input_thread = p_mi->p_input_thread; - if( p_mi->drawable ) + var_Create( p_input_thread, "drawable-agl", VLC_VAR_INTEGER ); + if( p_mi->drawable.agl ) + var_SetInteger( p_input_thread, "drawable-agl", p_mi->drawable.agl ); + + var_Create( p_input_thread, "drawable-xid", VLC_VAR_INTEGER ); + if( p_mi->drawable.xid ) + var_SetInteger( p_input_thread, "drawable-xid", p_mi->drawable.xid ); + + var_Create( p_input_thread, "drawable-hwnd", VLC_VAR_ADDRESS ); + if( p_mi->drawable.hwnd != NULL ) + { + vlc_value_t val = { .p_address = p_mi->drawable.hwnd }; + var_Set( p_input_thread, "drawable-hwnd", val ); + } + + var_Create( p_input_thread, "drawable-nsobject", VLC_VAR_ADDRESS ); + if( p_mi->drawable.nsobject != NULL ) + { + vlc_value_t val = { .p_address = p_mi->drawable.nsobject }; + var_Set( p_input_thread, "drawable-nsobject", val ); + } + + var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi ); + var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi ); + var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi ); + + if( input_Start( p_input_thread ) ) { - vlc_value_t val; - val.i_int = p_mi->drawable; - var_Create( p_input_thread, "drawable", VLC_VAR_DOINHERIT ); - var_Set( p_input_thread, "drawable", val ); + vlc_object_release( p_input_thread ); + p_mi->p_input_thread = NULL; } - var_AddCallback( p_input_thread, "state", input_state_changed, p_mi ); - var_AddCallback( p_input_thread, "seekable", input_seekable_changed, p_mi ); - var_AddCallback( p_input_thread, "pausable", input_pausable_changed, p_mi ); - var_AddCallback( p_input_thread, "intf-change", input_position_changed, p_mi ); - var_AddCallback( p_input_thread, "intf-change", input_time_changed, p_mi ); vlc_mutex_unlock( &p_mi->object_lock ); } /************************************************************************** - * Pause + * Pause. **************************************************************************/ void libvlc_media_player_pause( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) { input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e ); - if( !p_input_thread ) return; - int state = var_GetInteger( p_input_thread, "state" ); - - if( state == PLAYING_S ) + libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e ); + if( state == libvlc_Playing || state == libvlc_Buffering ) { if( libvlc_media_player_can_pause( p_mi, p_e ) ) input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S ); @@ -622,54 +626,160 @@ void libvlc_media_player_pause( libvlc_media_player_t *p_mi, } /************************************************************************** - * Stop + * Tells whether the media player is currently playing. + * + * Enter with lock held. + **************************************************************************/ +int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) +{ + libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e ); + return (libvlc_Playing == state) || (libvlc_Buffering == state); +} + +/************************************************************************** + * Stop playing. **************************************************************************/ void libvlc_media_player_stop( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) { - if( p_mi->b_own_its_input_thread ) + libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e ); + + if( state == libvlc_Playing || + state == libvlc_Paused || + state == libvlc_Buffering ) { - vlc_mutex_lock( &p_mi->object_lock ); - release_input_thread( p_mi ); /* This will stop the input thread */ - vlc_mutex_unlock( &p_mi->object_lock ); + /* Send a stop notification event only if we are in playing, + * buffering or paused states */ + libvlc_media_set_state( p_mi->p_md, libvlc_Ended, p_e ); + + /* Construct and send the event */ + libvlc_event_t event; + event.type = libvlc_MediaPlayerStopped; + libvlc_event_send( p_mi->p_event_manager, &event ); } - else - { - input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e ); - if( !p_input_thread ) - return; + vlc_mutex_lock( &p_mi->object_lock ); + release_input_thread( p_mi, true ); /* This will stop the input thread */ + vlc_mutex_unlock( &p_mi->object_lock ); +} - input_StopThread( p_input_thread ); - vlc_object_release( p_input_thread ); - } +/************************************************************************** + * set_nsobject + **************************************************************************/ +void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi, + void * drawable, + libvlc_exception_t *p_e ) +{ + (void) p_e; + p_mi->drawable.nsobject = drawable; +} - /* Send a stop notification event */ - libvlc_event_t event; - libvlc_media_set_state( p_mi->p_md, libvlc_Stopped, NULL); - event.type = libvlc_MediaInstanceStopped; - libvlc_event_send( p_mi->p_event_manager, &event ); +/************************************************************************** + * get_nsobject + **************************************************************************/ +uint32_t libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi ) +{ + return p_mi->drawable.nsobject; +} + +/************************************************************************** + * set_agl + **************************************************************************/ +void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi, + uint32_t drawable, + libvlc_exception_t *p_e ) +{ + (void) p_e; + p_mi->drawable.agl = drawable; +} + +/************************************************************************** + * get_agl + **************************************************************************/ +uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi ) +{ + return p_mi->drawable.agl; +} + +/************************************************************************** + * set_xwindow + **************************************************************************/ +void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi, + uint32_t drawable, + libvlc_exception_t *p_e ) +{ + (void) p_e; + p_mi->drawable.xid = drawable; +} + +/************************************************************************** + * get_xwindow + **************************************************************************/ +uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi ) +{ + return p_mi->drawable.xid; +} + +/************************************************************************** + * set_hwnd + **************************************************************************/ +void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi, + void *drawable, + libvlc_exception_t *p_e ) +{ + (void) p_e; + p_mi->drawable.hwnd = drawable; +} + +/************************************************************************** + * get_hwnd + **************************************************************************/ +void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi ) +{ + return p_mi->drawable.hwnd; } /************************************************************************** * Set Drawable **************************************************************************/ void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi, - libvlc_drawable_t drawable, - libvlc_exception_t *p_e ) + libvlc_drawable_t drawable, + libvlc_exception_t *p_e ) { - (void)p_e; - p_mi->drawable = drawable; +#ifdef WIN32 + if (sizeof (HWND) <= sizeof (libvlc_drawable_t)) + p_mi->drawable.hwnd = (HWND)drawable; + else + libvlc_exception_raise(p_e, "Operation not supported"); +#elif defined(__APPLE__) + p_mi->drawable.agl = drawable; + (void) p_e; +#else + p_mi->drawable.xid = drawable; + (void) p_e; +#endif } /************************************************************************** * Get Drawable **************************************************************************/ libvlc_drawable_t -libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) +libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) { - (void)p_e; - return p_mi->drawable; + VLC_UNUSED(p_e); + +#ifdef WIN32 + if (sizeof (HWND) <= sizeof (libvlc_drawable_t)) + return (libvlc_drawable_t)p_mi->drawable.hwnd; + else + return 0; +#elif defined(__APPLE__) + return p_mi->drawable.agl; +#else + return p_mi->drawable.xid; +#endif } /************************************************************************** @@ -714,14 +824,12 @@ void libvlc_media_player_set_time( libvlc_exception_t *p_e ) { input_thread_t *p_input_thread; - vlc_value_t value; p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); if( !p_input_thread ) return; - value.i_time = time*1000LL; - var_Set( p_input_thread, "time", value ); + var_SetTime( p_input_thread, "time", time*1000LL ); vlc_object_release( p_input_thread ); } @@ -731,14 +839,12 @@ void libvlc_media_player_set_position( libvlc_exception_t *p_e ) { input_thread_t *p_input_thread; - vlc_value_t val; - val.f_float = position; p_input_thread = libvlc_get_input_thread ( p_mi, p_e); if( !p_input_thread ) return; - var_Set( p_input_thread, "position", val ); + var_SetFloat( p_input_thread, "position", position ); vlc_object_release( p_input_thread ); } @@ -765,14 +871,12 @@ void libvlc_media_player_set_chapter( libvlc_exception_t *p_e ) { input_thread_t *p_input_thread; - vlc_value_t val; - val.i_int = chapter; p_input_thread = libvlc_get_input_thread ( p_mi, p_e); if( !p_input_thread ) return; - var_Set( p_input_thread, "chapter", val ); + var_SetInteger( p_input_thread, "chapter", chapter ); vlc_object_release( p_input_thread ); } @@ -785,7 +889,7 @@ int libvlc_media_player_get_chapter( p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); if( !p_input_thread ) - return -1.0; + return -1; var_Get( p_input_thread, "chapter", &val ); vlc_object_release( p_input_thread ); @@ -802,7 +906,7 @@ int libvlc_media_player_get_chapter_count( p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); if( !p_input_thread ) - return -1.0; + return -1; var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL ); vlc_object_release( p_input_thread ); @@ -810,6 +914,120 @@ int libvlc_media_player_get_chapter_count( return val.i_int; } +int libvlc_media_player_get_chapter_count_for_title( + libvlc_media_player_t *p_mi, + int i_title, + libvlc_exception_t *p_e ) +{ + input_thread_t *p_input_thread; + vlc_value_t val; + + p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); + if( !p_input_thread ) + return -1; + + char *psz_name; + if( asprintf( &psz_name, "title %2i", i_title ) == -1 ) + { + vlc_object_release( p_input_thread ); + return -1; + } + var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL ); + vlc_object_release( p_input_thread ); + free( psz_name ); + + return val.i_int; +} + +void libvlc_media_player_set_title( + libvlc_media_player_t *p_mi, + int i_title, + libvlc_exception_t *p_e ) +{ + input_thread_t *p_input_thread; + + p_input_thread = libvlc_get_input_thread ( p_mi, p_e); + if( !p_input_thread ) + return; + + var_SetInteger( p_input_thread, "title", i_title ); + vlc_object_release( p_input_thread ); + + //send event + libvlc_event_t event; + event.type = libvlc_MediaPlayerTitleChanged; + event.u.media_player_title_changed.new_title = i_title; + libvlc_event_send( p_mi->p_event_manager, &event ); +} + +int libvlc_media_player_get_title( + libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) +{ + input_thread_t *p_input_thread; + vlc_value_t val; + + p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); + if( !p_input_thread ) + return -1; + + var_Get( p_input_thread, "title", &val ); + vlc_object_release( p_input_thread ); + + return val.i_int; +} + +int libvlc_media_player_get_title_count( + libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) +{ + input_thread_t *p_input_thread; + vlc_value_t val; + + p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); + if( !p_input_thread ) + return -1; + + var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL ); + vlc_object_release( p_input_thread ); + + return val.i_int; +} + +void libvlc_media_player_next_chapter( + libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) +{ + input_thread_t *p_input_thread; + + p_input_thread = libvlc_get_input_thread ( p_mi, p_e); + if( !p_input_thread ) + return; + + int i_type = var_Type( p_input_thread, "next-chapter" ); + var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ? + "next-chapter":"next-title", true ); + + vlc_object_release( p_input_thread ); +} + +void libvlc_media_player_previous_chapter( + libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) +{ + input_thread_t *p_input_thread; + + p_input_thread = libvlc_get_input_thread ( p_mi, p_e); + if( !p_input_thread ) + return; + + int i_type = var_Type( p_input_thread, "next-chapter" ); + var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ? + "prev-chapter":"prev-title", true ); + + vlc_object_release( p_input_thread ); +} + float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e) @@ -832,15 +1050,15 @@ int libvlc_media_player_will_play( libvlc_media_player_t *p_mi, input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e); if ( !p_input_thread ) - return VLC_FALSE; + return false; if ( !p_input_thread->b_die && !p_input_thread->b_dead ) { vlc_object_release( p_input_thread ); - return VLC_TRUE; + return true; } vlc_object_release( p_input_thread ); - return VLC_FALSE; + return false; } void libvlc_media_player_set_rate( @@ -849,18 +1067,21 @@ void libvlc_media_player_set_rate( libvlc_exception_t *p_e ) { input_thread_t *p_input_thread; - vlc_value_t val; + bool b_can_rewind; - if( rate <= 0 ) - RAISEVOID( "Rate value is invalid" ); - - val.i_int = 1000.0f/rate; + p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); + if( !p_input_thread ) + return; - p_input_thread = libvlc_get_input_thread ( p_mi, p_e); - if ( !p_input_thread ) + b_can_rewind = var_GetBool( p_input_thread, "can-rewind" ); + if( (rate < 0.0) && !b_can_rewind ) + { + vlc_object_release( p_input_thread ); + libvlc_exception_raise( p_e, "Rate value is invalid" ); return; + } - var_Set( p_input_thread, "rate", val ); + var_SetInteger( p_input_thread, "rate", 1000.0f/rate ); vlc_object_release( p_input_thread ); } @@ -870,12 +1091,19 @@ float libvlc_media_player_get_rate( { input_thread_t *p_input_thread; vlc_value_t val; + bool b_can_rewind; - p_input_thread = libvlc_get_input_thread ( p_mi, p_e); - if ( !p_input_thread ) - return -1.0; + p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); + if( !p_input_thread ) + return 0.0; /* rate < 0 indicates rewind */ var_Get( p_input_thread, "rate", &val ); + b_can_rewind = var_GetBool( p_input_thread, "can-rewind" ); + if( (val.i_int < 0) && !b_can_rewind ) + { + libvlc_exception_raise( p_e, "invalid rate" ); + return 0.0; + } vlc_object_release( p_input_thread ); return (float)1000.0f/val.i_int; @@ -886,21 +1114,30 @@ libvlc_state_t libvlc_media_player_get_state( libvlc_exception_t *p_e ) { input_thread_t *p_input_thread; + libvlc_state_t state = libvlc_Ended; vlc_value_t val; p_input_thread = libvlc_get_input_thread ( p_mi, p_e ); - if ( !p_input_thread ) + if( !p_input_thread ) { /* We do return the right value, no need to throw an exception */ if( libvlc_exception_raised( p_e ) ) libvlc_exception_clear( p_e ); - return libvlc_Stopped; + return state; } var_Get( p_input_thread, "state", &val ); - vlc_object_release( p_input_thread ); + state = vlc_to_libvlc_state(val.i_int); - return vlc_to_libvlc_state(val.i_int); + if( state == libvlc_Playing ) + { + float caching; + caching = var_GetFloat( p_input_thread, "cache" ); + if( caching > 0.0 && caching < 1.0 ) + state = libvlc_Buffering; + } + vlc_object_release( p_input_thread ); + return state; } int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi, @@ -915,14 +1152,90 @@ int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi, /* We do return the right value, no need to throw an exception */ if( libvlc_exception_raised( p_e ) ) libvlc_exception_clear( p_e ); - return VLC_FALSE; + return false; } - var_Get( p_input_thread, "seekable", &val ); + var_Get( p_input_thread, "can-seek", &val ); vlc_object_release( p_input_thread ); return val.b_bool; } +/* internal function, used by audio, video */ +libvlc_track_description_t * + libvlc_get_track_description( libvlc_media_player_t *p_mi, + const char *psz_variable, + libvlc_exception_t *p_e ) +{ + input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_e ); + + if( !p_input ) + return NULL; + + vlc_value_t val_list, text_list; + var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list); + + if( val_list.p_list->i_count <= 0 ) /* no tracks */ + { + var_FreeList( &val_list, &text_list); + vlc_object_release( p_input ); + return NULL; + } + + libvlc_track_description_t *p_track_description, *p_actual, *p_previous; + p_track_description = ( libvlc_track_description_t * ) + malloc( sizeof( libvlc_track_description_t ) ); + if ( !p_track_description ) + { + var_FreeList( &val_list, &text_list); + vlc_object_release( p_input ); + libvlc_exception_raise( p_e, "no enough memory" ); + return NULL; + } + p_actual = p_track_description; + p_previous = NULL; + for( int i = 0; i < val_list.p_list->i_count; i++ ) + { + if( !p_actual ) + { + p_actual = ( libvlc_track_description_t * ) + malloc( sizeof( libvlc_track_description_t ) ); + if ( !p_actual ) + { + libvlc_track_description_release( p_track_description ); + var_FreeList( &val_list, &text_list); + vlc_object_release( p_input ); + libvlc_exception_raise( p_e, "no enough memory" ); + return NULL; + } + } + p_actual->i_id = val_list.p_list->p_values[i].i_int; + p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string ); + p_actual->p_next = NULL; + if( p_previous ) + p_previous->p_next = p_actual; + p_previous = p_actual; + p_actual = NULL; + } + var_FreeList( &val_list, &text_list); + vlc_object_release( p_input ); + + return p_track_description; +} + +void libvlc_track_description_release( libvlc_track_description_t *p_td ) +{ + libvlc_track_description_t *p_actual, *p_before; + p_actual = p_td; + + while ( p_actual ) + { + free( p_actual->psz_name ); + p_before = p_actual; + p_actual = p_before->p_next; + free( p_before ); + } +} + int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ) { @@ -935,7 +1248,7 @@ int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi, /* We do return the right value, no need to throw an exception */ if( libvlc_exception_raised( p_e ) ) libvlc_exception_clear( p_e ); - return VLC_FALSE; + return false; } var_Get( p_input_thread, "can-pause", &val ); vlc_object_release( p_input_thread );