static void CloseDecoder ( vlc_object_t * );
static picture_t *DecodeBlock ( decoder_t *, block_t ** );
+static int FakeCallback( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
/*****************************************************************************
* Module descriptor
#define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
#define DEINTERLACE_MODULE_LONGTEXT N_( \
"Deinterlace module to use." )
+#define CHROMA_TEXT N_("Chroma used.")
+#define CHROMA_LONGTEXT N_( \
+ "Force use of a specific chroma for output. Default is I420." )
static const char *ppsz_deinterlace_type[] =
{
DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
VLC_FALSE );
change_string_list( ppsz_deinterlace_type, 0, 0 );
+ add_string( "fake-chroma", "I420", NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
+ VLC_TRUE );
vlc_module_end();
+struct decoder_sys_t
+{
+ picture_t *p_image;
+ vlc_mutex_t lock;
+};
+
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************/
image_handler_t *p_handler;
video_format_t fmt_in, fmt_out;
picture_t *p_image;
- char *psz_file;
+ char *psz_file, *psz_chroma;
vlc_bool_t b_keep_ar;
int i_aspect = 0;
return VLC_EGENERIC;
}
- var_Create( p_dec, "fake-file", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "fake-file", &val );
- if( val.psz_string == NULL || !*val.psz_string )
+ p_dec->p_sys = (decoder_sys_t *)malloc( sizeof( decoder_sys_t ) );
+ if( !p_dec->p_sys )
+ {
+ return VLC_ENOMEM;
+ }
+
+ psz_file = var_CreateGetNonEmptyStringCommand( p_dec, "fake-file" );
+ if( !psz_file )
{
- if( val.psz_string ) free( val.psz_string );
msg_Err( p_dec, "specify a file with --fake-file=..." );
return VLC_EGENERIC;
}
- psz_file = val.psz_string;
+ var_AddCallback( p_dec, "fake-file", FakeCallback, p_dec );
memset( &fmt_in, 0, sizeof(fmt_in) );
memset( &fmt_out, 0, sizeof(fmt_out) );
- fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
+
+ psz_chroma = var_CreateGetString( p_dec, "fake-chroma" );
+ if( strlen( psz_chroma ) != 4 )
+ {
+ msg_Warn( p_dec, "Invalid chroma (%s). Using I420.", psz_chroma );
+ fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
+ }
+ else
+ {
+ fmt_out.i_chroma = VLC_FOURCC( psz_chroma[0],
+ psz_chroma[1],
+ psz_chroma[2],
+ psz_chroma[3] );
+ }
+ free( psz_chroma );
var_Create( p_dec, "fake-keep-ar", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Get( p_dec, "fake-keep-ar", &val );
/* Set output properties */
p_dec->fmt_out.i_cat = VIDEO_ES;
- p_dec->fmt_out.i_codec = VLC_FOURCC('I','4','2','0');
+ p_dec->fmt_out.i_codec = fmt_out.i_chroma;
p_dec->fmt_out.video = fmt_out;
/* Set callbacks */
p_dec->pf_decode_video = DecodeBlock;
- p_dec->p_sys = (decoder_sys_t *)p_image;
+
+ p_dec->p_sys->p_image = p_image;
+ vlc_mutex_init( p_dec, &p_dec->p_sys->lock );
return VLC_SUCCESS;
}
****************************************************************************/
static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
- picture_t *p_image = (picture_t *)p_dec->p_sys;
picture_t *p_pic;
if( pp_block == NULL || !*pp_block ) return NULL;
goto error;
}
- vout_CopyPicture( p_dec, p_pic, p_image );
+ vlc_mutex_lock( &p_dec->p_sys->lock );
+ vout_CopyPicture( p_dec, p_pic, p_dec->p_sys->p_image );
+ vlc_mutex_unlock( &p_dec->p_sys->lock );
+
p_pic->date = (*pp_block)->i_pts;
error:
static void CloseDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t *)p_this;
- picture_t *p_image = (picture_t *)p_dec->p_sys;
+ picture_t *p_image = p_dec->p_sys->p_image;
if( p_image != NULL )
p_image->pf_release( p_image );
+
+ vlc_mutex_destroy( &p_dec->p_sys->lock );
+ free( p_dec->p_sys );
+}
+
+/*****************************************************************************
+ * FakeCallback: Image source change callback.
+ *****************************************************************************/
+static int FakeCallback( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval,
+ void *p_data )
+{
+ decoder_t *p_dec = (decoder_t *)p_data;
+
+ if( !strcmp( psz_var, "fake-file" ) )
+ {
+ image_handler_t *p_handler;
+ picture_t *p_new_image;
+ video_format_t fmt_in, fmt_out;
+ char *psz_file = newval.psz_string;
+ picture_t *p_image;
+
+ vlc_mutex_lock( &p_dec->p_sys->lock );
+ p_image = p_dec->p_sys->p_image;
+
+ if( !psz_file || !*psz_file )
+ {
+ msg_Err( p_dec, "fake-file value must be non empty." );
+ vlc_mutex_unlock( &p_dec->p_sys->lock );
+ return VLC_EGENERIC;
+ }
+ msg_Dbg( p_dec, "Changing fake-file to %s.", psz_file );
+
+ memset( &fmt_in, 0, sizeof(fmt_in) );
+ fmt_out = p_dec->fmt_out.video;
+ p_handler = image_HandlerCreate( p_dec );
+ p_new_image = image_ReadUrl( p_handler, psz_file, &fmt_in, &fmt_out );
+ image_HandlerDelete( p_handler );
+
+ if( !p_new_image )
+ {
+ msg_Err( p_dec, "error while reading image (%s)", psz_file );
+ vlc_mutex_unlock( &p_dec->p_sys->lock );
+ return VLC_EGENERIC;
+ }
+
+ p_dec->p_sys->p_image = p_new_image;
+ p_image->pf_release( p_image );
+ vlc_mutex_unlock( &p_dec->p_sys->lock );
+ }
+
+ return VLC_SUCCESS;
}