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Commit 3bbb13a9 authored by Olivier Aubert's avatar Olivier Aubert
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mediacontrol_audio_video.c: use the new snapshot-path functionality

parent 5a87e8e2
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Showing with 37 additions and 172 deletions
src/control/mediacontrol_audio_video.c
View file @ 3bbb13a9
......@@ -32,11 +32,7 @@
#include <vlc_osd.h>
#define HAS_SNAPSHOT 1
#ifdef HAS_SNAPSHOT
#include <snapshot.h>
#endif
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
......@@ -63,200 +59,69 @@ mediacontrol_snapshot( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
mediacontrol_RGBPicture *retval = NULL;
input_thread_t* p_input = self->p_playlist->p_input;
vout_thread_t *p_vout = NULL;
int i_datasize;
snapshot_t **pointer;
vlc_value_t val;
int i_index;
snapshot_t *p_best_snapshot;
long searched_date;
#ifdef HAS_SNAPSHOT
int i_cachesize;
#endif
vlc_object_t* p_cache;
vout_thread_t* p_vout;
mediacontrol_RGBPicture *p_pic = NULL;
char path[256];
snapshot_t *p_snapshot;
exception=mediacontrol_exception_init( exception );
/*
if( var_Get( self->p_vlc, "snapshot-id", &val ) == VLC_SUCCESS )
p_vout = vlc_object_get( self->p_vlc, val.i_int );
*/
/* FIXME: if in p_libvlc, we cannot have multiple video outputs */
/* Once corrected, search for snapshot-id to modify all instances */
if( var_Get( p_input, "snapshot-id", &val ) != VLC_SUCCESS )
p_cache = vlc_object_create( self->p_playlist, VLC_OBJECT_GENERIC );
if( p_cache == NULL )
{
RAISE( mediacontrol_InternalException, "No snapshot-id in p_input" );
msg_Err( self->p_playlist, "out of memory" );
RAISE( mediacontrol_InternalException, "Out of memory" );
return NULL;
}
p_vout = vlc_object_get( self->p_vlc, val.i_int );
p_vout = vlc_object_find( self->p_playlist, VLC_OBJECT_VOUT, FIND_CHILD );
if( ! p_vout )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
return NULL;
}
#ifdef HAS_SNAPSHOT
/* We test if the vout is a snapshot module. We cannot test
pvout_psz_object_name( which is NULL ). But we can check if
there are snapshot-specific variables */
if( var_Get( p_vout, "snapshot-datasize", &val ) != VLC_SUCCESS )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
vlc_object_release( p_vout );
RAISE( mediacontrol_InternalException, "No video output" );
return NULL;
}
i_datasize = val.i_int;
/* Handle the a_position parameter */
if( ! ( a_position->origin == mediacontrol_RelativePosition
&& a_position->value == 0 ) )
{
/* The position is not the current one. Go to it. */
mediacontrol_set_media_position( self,
( mediacontrol_Position* ) a_position,
exception );
if( exception->code )
{
vlc_object_release( p_vout );
return NULL;
}
}
snprintf( path, 255, "object:%d", p_cache->i_object_id );
fprintf( stderr, "snapshot-path: %s\n", path );
var_SetString( p_vout, "snapshot-path", path );
var_SetString( p_vout, "snapshot-format", "png" );
/* FIXME: We should not go further until we got past the position
( which means that we had the possibility to capture the right
picture ). */
vlc_mutex_lock( &p_cache->object_lock );
vout_Control( p_vout, VOUT_SNAPSHOT );
vlc_mutex_lock( &p_vout->picture_lock );
vlc_cond_wait( &p_cache->object_wait, &p_cache->object_lock );
searched_date = mediacontrol_position2microsecond( p_input,
( mediacontrol_Position * ) a_position );
var_Get( p_vout, "snapshot-cache-size", &val );
i_cachesize = val.i_int ;
var_Get( p_vout, "snapshot-list-pointer", &val );
pointer = ( snapshot_t ** )val.p_address;
if( ! pointer )
p_snapshot = ( snapshot_t* ) p_cache->p_private;
vlc_object_destroy( p_cache );
if( p_snapshot )
{
RAISE( mediacontrol_InternalException, "No available snapshot" );
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
return NULL;
p_pic = _mediacontrol_createRGBPicture( p_snapshot->i_width,
p_snapshot->i_height,
"PNG",
p_snapshot->date,
p_snapshot->p_data,
p_snapshot->i_datasize );
if( !p_pic )
RAISE( mediacontrol_InternalException, "Out of memory" );
free( p_snapshot->p_data );
free( p_snapshot );
}
/* Find the more appropriate picture, based on date */
p_best_snapshot = pointer[0];
for( i_index = 1 ; i_index < i_cachesize ; i_index++ )
else
{
long l_diff = pointer[i_index]->date - searched_date;
if( l_diff > 0 && l_diff < abs( p_best_snapshot->date - searched_date ))
{
/* This one is closer, and _after_ the requested position */
p_best_snapshot = pointer[i_index];
}
RAISE( mediacontrol_InternalException, "Snapshot exception" );
}
/* FIXME: add a test for the case that no picture matched the test
( we have p_best_snapshot == pointer[0] */
retval = _mediacontrol_createRGBPicture( p_best_snapshot->i_width,
p_best_snapshot->i_height,
p_vout->output.i_chroma,
p_best_snapshot->date,
p_best_snapshot->p_data,
i_datasize );
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
#endif
return retval;
return p_pic;
}
mediacontrol_RGBPicture **
mediacontrol_all_snapshots( mediacontrol_Instance *self,
mediacontrol_Exception *exception )
{
mediacontrol_RGBPicture **retval = NULL;
vout_thread_t *p_vout = NULL;
int i_datasize;
int i_cachesize;
vlc_value_t val;
int i_index;
#ifdef HAS_SNAPSHOT
snapshot_t **pointer;
#endif
exception=mediacontrol_exception_init( exception );
if( var_Get( self->p_playlist->p_input, "snapshot-id", &val ) == VLC_SUCCESS )
p_vout = vlc_object_get( self->p_vlc, val.i_int );
if( ! p_vout )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
return NULL;
}
#ifdef HAS_SNAPSHOT
/* We test if the vout is a snapshot module. We cannot test
pvout_psz_object_name( which is NULL ). But we can check if
there are snapshot-specific variables */
if( var_Get( p_vout, "snapshot-datasize", &val ) != VLC_SUCCESS )
{
RAISE( mediacontrol_InternalException, "No snapshot module" );
vlc_object_release( p_vout );
return NULL;
}
i_datasize = val.i_int;
vlc_mutex_lock( &p_vout->picture_lock );
var_Get( p_vout, "snapshot-cache-size", &val );
i_cachesize = val.i_int ;
var_Get( p_vout, "snapshot-list-pointer", &val );
pointer = ( snapshot_t ** )val.p_address;
if( ! pointer )
{
RAISE( mediacontrol_InternalException, "No available picture" );
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
return NULL;
}
retval = ( mediacontrol_RGBPicture** )malloc( (i_cachesize + 1 ) * sizeof( char* ));
for( i_index = 0 ; i_index < i_cachesize ; i_index++ )
{
snapshot_t *p_s = pointer[i_index];
mediacontrol_RGBPicture *p_rgb;
p_rgb = _mediacontrol_createRGBPicture( p_s->i_width,
p_s->i_height,
p_vout->output.i_chroma,
p_s->date,
p_s->p_data,
i_datasize );
retval[i_index] = p_rgb;
}
retval[i_cachesize] = NULL;
vlc_mutex_unlock( &p_vout->picture_lock );
vlc_object_release( p_vout );
#endif
return retval;
RAISE( mediacontrol_InternalException, "Unsupported method" );
return NULL;
}
int mediacontrol_showtext( vout_thread_t *p_vout, int i_channel,
......
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