* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#if !defined( __LIBVLC__ )
- #error You are not libvlc or one of its plugins. You cannot include this file
-#endif
+#ifndef VLC_DEMUX_H
+#define VLC_DEMUX_H 1
-#ifndef _VLC_DEMUX_H
-#define _VLC_DEMUX_H 1
+/**
+ * \file
+ * This files defines functions and structures used by demux objects in vlc
+ */
#include <vlc_es.h>
#include <vlc_stream.h>
* reading everything (you should not use this to call es_out_Control)
* if you don't know what to do with it, just IGNORE it, it is safe(r)
* -1 means all group, 0 default group (first es added) */
- DEMUX_SET_GROUP, /* arg1= int can fail */
+ DEMUX_SET_GROUP, /* arg1= int, arg2=const vlc_list_t * can fail */
/* Ask the demux to demux until the given date at the next pf_demux call
- * but not more (and not less, at the precision avaiable of course).
+ * but not more (and not less, at the precision available of course).
* XXX: not mandatory (except for subtitle demux) but I will help a lot
* for multi-input
*/
/* Attachments */
DEMUX_GET_ATTACHMENTS, /* arg1=input_attachment_t***, int* res=can fail */
+ /* RECORD you should accept it only if the stream can be recorded without
+ * any modification or header addition. */
+ DEMUX_CAN_RECORD, /* arg1=bool* res=can fail(assume false) */
+ DEMUX_SET_RECORD_STATE, /* arg1=bool res=can fail */
+
+
/* II. Specific access_demux queries */
- DEMUX_CAN_PAUSE, /* arg1= bool* can fail (assume false)*/
+ DEMUX_CAN_PAUSE = 0x1000, /* arg1= bool* can fail (assume false)*/
DEMUX_SET_PAUSE_STATE, /* arg1= bool can fail */
DEMUX_GET_PTS_DELAY, /* arg1= int64_t* cannot fail */
* Miscellaneous helpers for demuxers
*************************************************************************/
+LIBVLC_USED
static inline bool demux_IsPathExtension( demux_t *p_demux, const char *psz_extension )
{
const char *psz_ext = strrchr ( p_demux->psz_path, '.' );
return true;
}
+LIBVLC_USED
static inline bool demux_IsForced( demux_t *p_demux, const char *psz_name )
{
if( !p_demux->psz_demux || strcmp( p_demux->psz_demux, psz_name ) )
return true;
}
+/**
+ * This function will create a packetizer suitable for a demuxer that parses
+ * elementary stream.
+ *
+ * The provided es_format_t will be cleaned on error or by
+ * demux_PacketizerDestroy.
+ */
+VLC_EXPORT( decoder_t *,demux_PacketizerNew, ( demux_t *p_demux, es_format_t *p_fmt, const char *psz_msg ) );
+
+/**
+ * This function will destroy a packetizer create by demux_PacketizerNew.
+ */
+VLC_EXPORT( void, demux_PacketizerDestroy, ( decoder_t *p_packetizer ) );
+
+/* */
#define DEMUX_INIT_COMMON() do { \
p_demux->pf_control = Control; \
p_demux->pf_demux = Demux; \
- MALLOC_ERR( p_demux->p_sys, demux_sys_t ); \
+ p_demux->p_sys = malloc( sizeof( demux_sys_t ) ); \
+ if( !p_demux->p_sys ) return VLC_ENOMEM;\
memset( p_demux->p_sys, 0, sizeof( demux_sys_t ) ); } while(0)
#define STANDARD_DEMUX_INIT_MSG( msg ) do { \
DEMUX_INIT_COMMON(); \
- msg_Dbg( p_demux, msg ); } while(0)
+ msg_Dbg( p_demux, "%s", msg ); } while(0)
#define DEMUX_BY_EXTENSION( ext ) \
demux_t *p_demux = (demux_t *)p_this; \
#define POKE( peek, stuff, size ) (strncasecmp( (const char *)peek, stuff, size )==0)
-#define COMMON_INIT_PACKETIZER( location ) \
- location = vlc_object_create( p_demux, VLC_OBJECT_PACKETIZER ); \
- location->pf_decode_audio = 0; \
- location->pf_decode_video = 0; \
- location->pf_decode_sub = 0; \
- location->pf_packetize = 0; \
-
-#define INIT_APACKETIZER( location, a,b,c,d ) \
- COMMON_INIT_PACKETIZER(location ); \
- es_format_Init( &location->fmt_in, AUDIO_ES, \
- VLC_FOURCC( a, b, c, d ) );
-
-#define INIT_VPACKETIZER( location, a,b,c,d ) \
- COMMON_INIT_PACKETIZER(location ); \
- es_format_Init( &location->fmt_in, VIDEO_ES, \
- VLC_FOURCC( a, b, c, d ) );
-
-/* BEWARE ! This can lead to memory leaks ! */
-#define LOAD_PACKETIZER_OR_FAIL( location, msg ) \
- location->p_module = \
- module_Need( location, "packetizer", NULL, 0 ); \
- if( location->p_module == NULL ) \
- { \
- vlc_object_release( location ); \
- msg_Err( p_demux, "cannot find packetizer for " # msg ); \
- free( p_sys ); \
- return VLC_EGENERIC; \
- }
-
-#define DESTROY_PACKETIZER( location ) \
- if( location->p_module ) module_Unneed( location, location->p_module ); \
- vlc_object_release( location );
-
/**
* @}
*/