videolan/vlc
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Allows requesting active aout/vout from an input with associated events.

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This commit is contained in:
Laurent Aimar 2008-12-27 12:25:18 +01:00
parent c884cebcac
commit ba2c2b69c9
7 changed files with 106 additions and 6 deletions
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16
include/vlc_input.h
View File

@ -545,9 +545,6 @@ typedef enum input_event_type_e
/* "record" has changed */
INPUT_EVENT_RECORD,
/* A vout has been created/deleted by *the input* */
INPUT_EVENT_VOUT,
/* input_item_t media has changed */
INPUT_EVENT_ITEM_META,
/* input_item_t info has changed */
@ -571,6 +568,11 @@ typedef enum input_event_type_e
/* cache" has changed */
INPUT_EVENT_CACHE,
/* A aout_instance_t object has been created/deleted by *the input* */
INPUT_EVENT_AOUT,
/* A vout_thread_t object has been created/deleted by *the input* */
INPUT_EVENT_VOUT,
} input_event_type_e;
/** @}*/
@ -584,12 +586,13 @@ typedef enum input_event_type_e
#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 * ) );
#define input_Preparse(a,b) __input_Preparse(VLC_OBJECT(a),b)
VLC_EXPORT( int, __input_Preparse, ( vlc_object_t *, input_item_t * ) );
#define input_Read(a,b,c) __input_Read(VLC_OBJECT(a),b, c)
VLC_EXPORT( int, __input_Read, ( vlc_object_t *, input_item_t *, bool ) );
VLC_EXPORT( void, input_StopThread, ( input_thread_t * ) );
enum input_query_e
{
@ -653,6 +656,11 @@ enum input_query_e
/* ES */
INPUT_RESTART_ES, /* arg1=int (-AUDIO/VIDEO/SPU_ES for the whole category) */
/* Input ressources
* XXX You must call vlc_object_release as soon as possible */
INPUT_GET_AOUT, /* arg1=aout_instance_t ** res=can fail */
INPUT_GET_VOUTS, /* arg1=vout_thread_t ***, int * res=can fail */
};
VLC_EXPORT( int, input_vaControl,( input_thread_t *, int i_query, va_list ) );

23
src/input/control.c
View File

@ -32,6 +32,7 @@
#include "input_internal.h"
#include "event.h"
#include "ressource.h"
static void UpdateBookmarksOption( input_thread_t * );
@ -412,6 +413,28 @@ int input_vaControl( input_thread_t *p_input, int i_query, va_list args )
input_ControlPush( p_input, INPUT_CONTROL_RESTART_ES, &val );
return VLC_SUCCESS;
case INPUT_GET_AOUT:
{
aout_instance_t *p_aout = input_ressource_HoldAout( p_input->p->p_ressource );
if( !p_aout )
return VLC_EGENERIC;
aout_instance_t **pp_aout = (aout_instance_t**)va_arg( args, aout_instance_t** );
*pp_aout = p_aout;
return VLC_SUCCESS;
}
case INPUT_GET_VOUTS:
{
vout_thread_t ***ppp_vout = (vout_thread_t***)va_arg( args, vout_thread_t*** );
int *pi_vout = (int*)va_arg( args, int* );
input_ressource_HoldVouts( p_input->p->p_ressource, ppp_vout, pi_vout );
if( *pi_vout <= 0 )
return VLC_EGENERIC;
return VLC_SUCCESS;
}
default:
msg_Err( p_input, "unknown query in input_vaControl" );
return VLC_EGENERIC;

5
src/input/decoder.c
View File

@ -2032,6 +2032,7 @@ static void DeleteDecoder( decoder_t * p_dec )
{
input_ressource_RequestAout( p_owner->p_input->p->p_ressource,
p_owner->p_aout );
input_SendEventAout( p_owner->p_input );
p_owner->p_aout = NULL;
}
if( p_owner->p_vout )
@ -2039,7 +2040,7 @@ static void DeleteDecoder( decoder_t * p_dec )
/* Hack to make sure all the the pictures are freed by the decoder */
vout_FixLeaks( p_owner->p_vout, true );
/* We are about to die. Reattach video output to p_vlc. */
/* */
input_ressource_RequestVout( p_owner->p_input->p->p_ressource, p_owner->p_vout, NULL );
input_SendEventVout( p_owner->p_input );
}
@ -2195,6 +2196,8 @@ static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
vlc_mutex_unlock( &p_owner->lock );
input_SendEventAout( p_owner->p_input );
if( p_owner->p_aout_input == NULL )
{
msg_Err( p_dec, "failed to create audio output" );

5
src/input/event.c
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@ -319,6 +319,11 @@ void input_SendEventVout( input_thread_t *p_input )
Trigger( p_input, INPUT_EVENT_VOUT );
}
void input_SendEventAout( input_thread_t *p_input )
{
Trigger( p_input, INPUT_EVENT_AOUT );
}
/*****************************************************************************
* Event for control.c/input.c
*****************************************************************************/

1
src/input/event.h
View File

@ -69,6 +69,7 @@ void input_SendEventTeletext( input_thread_t *p_input, int i_id );
* Event for decoder.c
*****************************************************************************/
void input_SendEventVout( input_thread_t *p_input );
void input_SendEventAout( input_thread_t *p_input );
/*****************************************************************************
* Event for control.c/input.c

46
src/input/ressource.c
View File

@ -189,6 +189,28 @@ static vout_thread_t *HoldVout( input_ressource_t *p_ressource )
return p_vout;
}
static void HoldVouts( input_ressource_t *p_ressource, vout_thread_t ***ppp_vout, int *pi_vout )
{
vout_thread_t **pp_vout;
*pi_vout = 0;
*ppp_vout = NULL;
if( p_ressource->i_vout <= 0 )
return;
pp_vout = calloc( p_ressource->i_vout, sizeof(*pp_vout) );
if( !pp_vout )
return;
*ppp_vout = pp_vout;
*pi_vout = p_ressource->i_vout;
for( int i = 0; i < p_ressource->i_vout; i++ )
{
pp_vout[i] = p_ressource->pp_vout[i];
vlc_object_hold( pp_vout[i] );
}
}
/* */
static void DestroyAout( input_ressource_t *p_ressource )
@ -228,7 +250,18 @@ static aout_instance_t *RequestAout( input_ressource_t *p_ressource, aout_instan
return p_ressource->p_aout;
}
}
static aout_instance_t *HoldAout( input_ressource_t *p_ressource )
{
if( !p_ressource->p_aout )
return NULL;
/* TODO FIXME: p_ressource->pp_vout order is NOT stable */
aout_instance_t *p_aout = p_ressource->p_aout;
vlc_object_hold( p_aout );
return p_aout;
}
/* */
input_ressource_t *input_ressource_New( void )
{
@ -290,6 +323,12 @@ vout_thread_t *input_ressource_HoldVout( input_ressource_t *p_ressource )
return p_ret;
}
void input_ressource_HoldVouts( input_ressource_t *p_ressource, vout_thread_t ***ppp_vout, int *pi_vout )
{
vlc_mutex_lock( &p_ressource->lock );
HoldVouts( p_ressource, ppp_vout, pi_vout );
vlc_mutex_unlock( &p_ressource->lock );
}
void input_ressource_TerminateVout( input_ressource_t *p_ressource )
{
input_ressource_RequestVout( p_ressource, NULL, NULL );
@ -304,7 +343,14 @@ aout_instance_t *input_ressource_RequestAout( input_ressource_t *p_ressource, ao
return p_ret;
}
aout_instance_t *input_ressource_HoldAout( input_ressource_t *p_ressource )
{
vlc_mutex_lock( &p_ressource->lock );
aout_instance_t *p_ret = HoldAout( p_ressource );
vlc_mutex_unlock( &p_ressource->lock );
return p_ret;
}
/* */
sout_instance_t *input_ressource_RequestSout( input_ressource_t *p_ressource, sout_instance_t *p_sout, const char *psz_sout )
{

16
src/input/ressource.h
View File

@ -50,17 +50,31 @@ sout_instance_t *input_ressource_RequestSout( input_ressource_t *, sout_instance
*/
aout_instance_t *input_ressource_RequestAout( input_ressource_t *, aout_instance_t * );
/**
* This function return the current aout if any.
*
* You must call vlc_object_release on the value returned (if non NULL).
*/
aout_instance_t *input_ressource_HoldAout( input_ressource_t *p_ressource );
/**
* This function handles vout request.
*/
vout_thread_t *input_ressource_RequestVout( input_ressource_t *, vout_thread_t *, video_format_t * );
/**
* This function return the current vout if any.
* This function return one of the current vout if any.
*
* You must call vlc_object_release on the value returned (if non NULL).
*/
vout_thread_t *input_ressource_HoldVout( input_ressource_t * );
/**
* This function return all current vouts if any.
*
* You must call vlc_object_release on all values returned (if non NULL).
*/
void input_ressource_HoldVouts( input_ressource_t *, vout_thread_t ***, int * );
#endif