/**
* This function will handle a snapshot request and provide the image pointer
*/
static void VoutSnapshotAddr( vout_thread_t *p_vout )
{
char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
/* */
picture_t *p_picture;
block_t *p_image;
video_format_t fmt;
/* 500ms timeout
* XXX it will cause trouble with low fps video (< 2fps) */
if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
{
p_picture = NULL;
p_image = NULL;
goto exit;
}
msg_Dbg( p_vout, "p_image addr: %i", p_image );
var_Create( p_vout, "snapshot-addr", VLC_VAR_ADDRESS );
var_SetAddress( p_vout, "snapshot-addr", (void *) p_image );
exit:
if( p_picture )
picture_Release( p_picture );
free( psz_prefix );
free( psz_format );
}
/**
* This function will handle a snapshot request
*/
static void VoutSaveSnapshot( vout_thread_t *p_vout )
{
char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
/* */
picture_t *p_picture;
block_t *p_image;
video_format_t fmt;
/* 500ms timeout
* XXX it will cause trouble with low fps video (< 2fps) */
if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
{
p_picture = NULL;
p_image = NULL;
goto exit;
}
if( !psz_path )
{
psz_path = VoutSnapshotGetDefaultDirectory();
if( !psz_path )
{
msg_Err( p_vout, "no path specified for snapshots" );
goto exit;
}
}
char *psz_filename;
if( VoutWriteSnapshot( p_vout, &psz_filename,
p_image,
psz_path, psz_format, psz_prefix ) )
goto exit;
VoutOsdSnapshot( p_vout, p_picture, psz_filename );
/* Generate a media player event - Right now just trigger a global libvlc var
CHECK: Could not find a more local object. The goal is to communicate
vout_thread with libvlc_media_player or its input_thread */
var_SetString( p_vout->p_libvlc, "vout-snapshottaken", psz_filename );
free( psz_filename );
exit:
if( p_image )
block_Release( p_image );
if( p_picture )
picture_Release( p_picture );
free( psz_prefix );
free( psz_format );
free( psz_path );
}
mediacontrol_RGBPicture *
mediacontrol_snapshot( mediacontrol_Instance *self,
const mediacontrol_Position * a_position,
mediacontrol_Exception *exception )
{
(void)a_position;
vout_thread_t* p_vout;
input_thread_t *p_input;
mediacontrol_RGBPicture *p_pic;
libvlc_exception_t ex;
libvlc_exception_init( &ex );
mediacontrol_exception_init( exception );
p_input = libvlc_get_input_thread( self->p_media_player );
if( ! p_input )
{
RAISE_NULL( mediacontrol_InternalException, "No input" );
}
p_vout = input_GetVout( p_input );
vlc_object_release( p_input );
if( ! p_vout )
{
RAISE_NULL( mediacontrol_InternalException, "No video output" );
}
block_t *p_image;
video_format_t fmt;
if( vout_GetSnapshot( p_vout, &p_image, NULL, &fmt, "png", 500*1000 ) )
{
vlc_object_release( p_vout );
RAISE_NULL( mediacontrol_InternalException, "Snapshot exception" );
return NULL;
}
/* */
char *p_data = malloc( p_image->i_buffer );
if( p_data )
{
memcpy( p_data, p_image->p_buffer, p_image->i_buffer );
p_pic = private_mediacontrol_createRGBPicture( fmt.i_width,
fmt.i_height,
fmt.i_chroma,
p_image->i_pts,
p_data,
p_image->i_buffer );
}
else
{
p_pic = NULL;
}
block_Release( p_image );
if( !p_pic )
RAISE_NULL( mediacontrol_InternalException, "Out of memory" );
vlc_object_release( p_vout );
return p_pic;
}
/**
* This function will handle a snapshot request
*/
static void VoutSaveSnapshot( vout_thread_t *p_vout )
{
char *psz_path = var_InheritString( p_vout, "snapshot-path" );
char *psz_format = var_InheritString( p_vout, "snapshot-format" );
char *psz_prefix = var_InheritString( p_vout, "snapshot-prefix" );
/* */
picture_t *p_picture;
block_t *p_image;
video_format_t fmt;
/* 500ms timeout
* XXX it will cause trouble with low fps video (< 2fps) */
if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
{
p_picture = NULL;
p_image = NULL;
goto exit;
}
if( !psz_path )
{
psz_path = vout_snapshot_GetDirectory();
if( !psz_path )
{
msg_Err( p_vout, "no path specified for snapshots" );
goto exit;
}
}
vout_snapshot_save_cfg_t cfg;
memset( &cfg, 0, sizeof(cfg) );
cfg.is_sequential = var_InheritBool( p_vout, "snapshot-sequential" );
cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
cfg.path = psz_path;
cfg.format = psz_format;
cfg.prefix_fmt = psz_prefix;
char *psz_filename;
int i_sequence;
if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
p_image, VLC_OBJECT(p_vout), &cfg ) )
goto exit;
if( cfg.is_sequential )
var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
VoutOsdSnapshot( p_vout, p_picture, psz_filename );
/* signal creation of a new snapshot file */
var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
free( psz_filename );
exit:
if( p_image )
block_Release( p_image );
if( p_picture )
picture_Release( p_picture );
free( psz_prefix );
free( psz_format );
free( psz_path );
}
