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https://code.videolan.org/videolan/vlc
synced 2024-09-12 13:44:56 +02:00
Allows requesting active aout/vout from an input with associated events.
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@ -545,9 +545,6 @@ typedef enum input_event_type_e
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/* "record" has changed */
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INPUT_EVENT_RECORD,
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/* A vout has been created/deleted by *the input* */
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INPUT_EVENT_VOUT,
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/* input_item_t media has changed */
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INPUT_EVENT_ITEM_META,
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/* input_item_t info has changed */
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@ -571,6 +568,11 @@ typedef enum input_event_type_e
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/* cache" has changed */
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INPUT_EVENT_CACHE,
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/* A aout_instance_t object has been created/deleted by *the input* */
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INPUT_EVENT_AOUT,
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/* A vout_thread_t object has been created/deleted by *the input* */
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INPUT_EVENT_VOUT,
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} input_event_type_e;
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/** @}*/
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@ -584,12 +586,13 @@ typedef enum input_event_type_e
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#define input_CreateThread(a,b) __input_CreateThread(VLC_OBJECT(a),b)
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VLC_EXPORT( input_thread_t *, __input_CreateThread, ( vlc_object_t *, input_item_t * ) );
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VLC_EXPORT( void, input_StopThread, ( input_thread_t * ) );
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#define input_Preparse(a,b) __input_Preparse(VLC_OBJECT(a),b)
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VLC_EXPORT( int, __input_Preparse, ( vlc_object_t *, input_item_t * ) );
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#define input_Read(a,b,c) __input_Read(VLC_OBJECT(a),b, c)
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VLC_EXPORT( int, __input_Read, ( vlc_object_t *, input_item_t *, bool ) );
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VLC_EXPORT( void, input_StopThread, ( input_thread_t * ) );
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enum input_query_e
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{
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@ -653,6 +656,11 @@ enum input_query_e
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/* ES */
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INPUT_RESTART_ES, /* arg1=int (-AUDIO/VIDEO/SPU_ES for the whole category) */
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/* Input ressources
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* XXX You must call vlc_object_release as soon as possible */
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INPUT_GET_AOUT, /* arg1=aout_instance_t ** res=can fail */
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INPUT_GET_VOUTS, /* arg1=vout_thread_t ***, int * res=can fail */
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};
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VLC_EXPORT( int, input_vaControl,( input_thread_t *, int i_query, va_list ) );
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@ -32,6 +32,7 @@
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#include "input_internal.h"
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#include "event.h"
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#include "ressource.h"
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static void UpdateBookmarksOption( input_thread_t * );
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@ -412,6 +413,28 @@ int input_vaControl( input_thread_t *p_input, int i_query, va_list args )
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input_ControlPush( p_input, INPUT_CONTROL_RESTART_ES, &val );
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return VLC_SUCCESS;
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case INPUT_GET_AOUT:
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{
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aout_instance_t *p_aout = input_ressource_HoldAout( p_input->p->p_ressource );
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if( !p_aout )
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return VLC_EGENERIC;
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aout_instance_t **pp_aout = (aout_instance_t**)va_arg( args, aout_instance_t** );
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*pp_aout = p_aout;
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return VLC_SUCCESS;
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}
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case INPUT_GET_VOUTS:
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{
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vout_thread_t ***ppp_vout = (vout_thread_t***)va_arg( args, vout_thread_t*** );
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int *pi_vout = (int*)va_arg( args, int* );
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input_ressource_HoldVouts( p_input->p->p_ressource, ppp_vout, pi_vout );
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if( *pi_vout <= 0 )
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return VLC_EGENERIC;
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return VLC_SUCCESS;
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}
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default:
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msg_Err( p_input, "unknown query in input_vaControl" );
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return VLC_EGENERIC;
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@ -2032,6 +2032,7 @@ static void DeleteDecoder( decoder_t * p_dec )
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{
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input_ressource_RequestAout( p_owner->p_input->p->p_ressource,
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p_owner->p_aout );
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input_SendEventAout( p_owner->p_input );
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p_owner->p_aout = NULL;
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}
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if( p_owner->p_vout )
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@ -2039,7 +2040,7 @@ static void DeleteDecoder( decoder_t * p_dec )
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/* Hack to make sure all the the pictures are freed by the decoder */
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vout_FixLeaks( p_owner->p_vout, true );
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/* We are about to die. Reattach video output to p_vlc. */
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/* */
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input_ressource_RequestVout( p_owner->p_input->p->p_ressource, p_owner->p_vout, NULL );
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input_SendEventVout( p_owner->p_input );
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}
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@ -2195,6 +2196,8 @@ static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
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vlc_mutex_unlock( &p_owner->lock );
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input_SendEventAout( p_owner->p_input );
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if( p_owner->p_aout_input == NULL )
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{
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msg_Err( p_dec, "failed to create audio output" );
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@ -319,6 +319,11 @@ void input_SendEventVout( input_thread_t *p_input )
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Trigger( p_input, INPUT_EVENT_VOUT );
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}
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void input_SendEventAout( input_thread_t *p_input )
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{
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Trigger( p_input, INPUT_EVENT_AOUT );
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}
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/*****************************************************************************
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* Event for control.c/input.c
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*****************************************************************************/
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@ -69,6 +69,7 @@ void input_SendEventTeletext( input_thread_t *p_input, int i_id );
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* Event for decoder.c
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*****************************************************************************/
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void input_SendEventVout( input_thread_t *p_input );
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void input_SendEventAout( input_thread_t *p_input );
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/*****************************************************************************
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* Event for control.c/input.c
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@ -189,6 +189,28 @@ static vout_thread_t *HoldVout( input_ressource_t *p_ressource )
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return p_vout;
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}
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static void HoldVouts( input_ressource_t *p_ressource, vout_thread_t ***ppp_vout, int *pi_vout )
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{
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vout_thread_t **pp_vout;
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*pi_vout = 0;
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*ppp_vout = NULL;
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if( p_ressource->i_vout <= 0 )
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return;
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pp_vout = calloc( p_ressource->i_vout, sizeof(*pp_vout) );
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if( !pp_vout )
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return;
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*ppp_vout = pp_vout;
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*pi_vout = p_ressource->i_vout;
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for( int i = 0; i < p_ressource->i_vout; i++ )
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{
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pp_vout[i] = p_ressource->pp_vout[i];
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vlc_object_hold( pp_vout[i] );
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}
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}
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/* */
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static void DestroyAout( input_ressource_t *p_ressource )
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@ -228,7 +250,18 @@ static aout_instance_t *RequestAout( input_ressource_t *p_ressource, aout_instan
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return p_ressource->p_aout;
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}
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}
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static aout_instance_t *HoldAout( input_ressource_t *p_ressource )
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{
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if( !p_ressource->p_aout )
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return NULL;
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/* TODO FIXME: p_ressource->pp_vout order is NOT stable */
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aout_instance_t *p_aout = p_ressource->p_aout;
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vlc_object_hold( p_aout );
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return p_aout;
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}
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/* */
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input_ressource_t *input_ressource_New( void )
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{
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@ -290,6 +323,12 @@ vout_thread_t *input_ressource_HoldVout( input_ressource_t *p_ressource )
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return p_ret;
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}
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void input_ressource_HoldVouts( input_ressource_t *p_ressource, vout_thread_t ***ppp_vout, int *pi_vout )
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{
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vlc_mutex_lock( &p_ressource->lock );
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HoldVouts( p_ressource, ppp_vout, pi_vout );
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vlc_mutex_unlock( &p_ressource->lock );
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}
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void input_ressource_TerminateVout( input_ressource_t *p_ressource )
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{
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input_ressource_RequestVout( p_ressource, NULL, NULL );
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@ -304,7 +343,14 @@ aout_instance_t *input_ressource_RequestAout( input_ressource_t *p_ressource, ao
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return p_ret;
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}
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aout_instance_t *input_ressource_HoldAout( input_ressource_t *p_ressource )
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{
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vlc_mutex_lock( &p_ressource->lock );
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aout_instance_t *p_ret = HoldAout( p_ressource );
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vlc_mutex_unlock( &p_ressource->lock );
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return p_ret;
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}
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/* */
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sout_instance_t *input_ressource_RequestSout( input_ressource_t *p_ressource, sout_instance_t *p_sout, const char *psz_sout )
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{
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@ -50,17 +50,31 @@ sout_instance_t *input_ressource_RequestSout( input_ressource_t *, sout_instance
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*/
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aout_instance_t *input_ressource_RequestAout( input_ressource_t *, aout_instance_t * );
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/**
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* This function return the current aout if any.
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*
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* You must call vlc_object_release on the value returned (if non NULL).
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*/
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aout_instance_t *input_ressource_HoldAout( input_ressource_t *p_ressource );
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/**
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* This function handles vout request.
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*/
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vout_thread_t *input_ressource_RequestVout( input_ressource_t *, vout_thread_t *, video_format_t * );
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/**
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* This function return the current vout if any.
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* This function return one of the current vout if any.
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*
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* You must call vlc_object_release on the value returned (if non NULL).
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*/
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vout_thread_t *input_ressource_HoldVout( input_ressource_t * );
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/**
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* This function return all current vouts if any.
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*
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* You must call vlc_object_release on all values returned (if non NULL).
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*/
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void input_ressource_HoldVouts( input_ressource_t *, vout_thread_t ***, int * );
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#endif
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