* 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
demux_sys_t *p_sys;
};
+
+/* demux_meta_t is returned by "meta reader" module to the demuxer */
+struct demux_meta_t
+{
+ vlc_meta_t *p_meta; /**< meta data */
+
+ int i_attachments; /**< number of attachments */
+ input_attachment_t **attachments; /**< array of attachments */
+};
+
enum demux_query_e
{
/* I. Common queries to access_demux and demux */
DEMUX_SET_GROUP, /* arg1= int 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
*/
DEMUX_SET_NEXT_DEMUX_TIME, /* arg1= int64_t * can fail */
/* FPS for correct subtitles handling */
- DEMUX_GET_FPS, /* arg1= float * res=can fail */
+ DEMUX_GET_FPS, /* arg1= double * res=can fail */
/* Meta data */
DEMUX_GET_META, /* arg1= vlc_meta_t ** res=can fail */
+ DEMUX_HAS_UNSUPPORTED_META, /* arg1= bool * res can fail */
/* Attachments */
DEMUX_GET_ATTACHMENTS, /* arg1=input_attachment_t***, int* res=can fail */
/* II. Specific access_demux queries */
- DEMUX_CAN_PAUSE, /* arg1= vlc_bool_t* cannot fail */
- DEMUX_CAN_CONTROL_PACE, /* arg1= vlc_bool_t* cannot fail */
+ DEMUX_CAN_PAUSE, /* arg1= bool* can fail (assume false)*/
+ DEMUX_SET_PAUSE_STATE, /* arg1= bool can fail */
+
DEMUX_GET_PTS_DELAY, /* arg1= int64_t* cannot fail */
- DEMUX_SET_PAUSE_STATE /* arg1= vlc_bool_t can fail */
+
+ /* DEMUX_CAN_CONTROL_PACE returns true (*pb_pace) if we can read the
+ * data at our pace */
+ DEMUX_CAN_CONTROL_PACE, /* arg1= bool*pb_pace can fail (assume false) */
+
+ /* DEMUX_CAN_CONTROL_RATE is called only if DEMUX_CAN_CONTROL_PACE has returned false.
+ * *pb_rate should be true when the rate can be changed (using DEMUX_SET_RATE)
+ * *pb_ts_rescale should be true when the timestamps (pts/dts/pcr) have to be rescaled */
+ DEMUX_CAN_CONTROL_RATE, /* arg1= bool*pb_rate arg2= bool*pb_ts_rescale can fail(assume false) */
+ /* DEMUX_SET_RATE is called only if DEMUX_CAN_CONTROL_RATE has returned true.
+ * It should return the value really used in *pi_rate */
+ DEMUX_SET_RATE, /* arg1= int*pi_rate can fail */
+
+ DEMUX_CAN_SEEK, /* arg1= bool* can fail (assume false)*/
};
-VLC_EXPORT( int, demux2_vaControlHelper, ( stream_t *, int64_t i_start, int64_t i_end, int i_bitrate, int i_align, int i_query, va_list args ) );
+VLC_EXPORT( int, demux_vaControlHelper, ( stream_t *, int64_t i_start, int64_t i_end, int i_bitrate, int i_align, int i_query, va_list args ) );
/*************************************************************************
* Miscellaneous helpers for demuxers
*************************************************************************/
-static inline vlc_bool_t demux2_IsPathExtension( demux_t *p_demux, const char *psz_extension )
+static inline bool demux_IsPathExtension( demux_t *p_demux, const char *psz_extension )
{
const char *psz_ext = strrchr ( p_demux->psz_path, '.' );
- if( !psz_ext || strcmp( psz_ext, psz_extension ) )
- return VLC_FALSE;
- return VLC_TRUE;
+ if( !psz_ext || strcasecmp( psz_ext, psz_extension ) )
+ return false;
+ return true;
}
-static inline vlc_bool_t demux2_IsForced( demux_t *p_demux, const char *psz_name )
+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 VLC_FALSE;
- return VLC_TRUE;
+ return false;
+ return true;
}
-#define STANDARD_DEMUX_INIT \
- p_demux->pf_control = Control; \
- p_demux->pf_demux = Demux; \
+#define DEMUX_INIT_COMMON() do { \
+ p_demux->pf_control = Control; \
+ p_demux->pf_demux = Demux; \
MALLOC_ERR( p_demux->p_sys, demux_sys_t ); \
- memset( p_demux->p_sys, 0, sizeof( demux_sys_t ) );
+ memset( p_demux->p_sys, 0, sizeof( demux_sys_t ) ); } while(0)
-#define STANDARD_DEMUX_INIT_MSG( msg ) \
- p_demux->pf_control = Control; \
- p_demux->pf_demux = Demux; \
- MALLOC_ERR( p_demux->p_sys, demux_sys_t ); \
- memset( p_demux->p_sys, 0, sizeof( demux_sys_t ) ); \
- msg_Dbg( p_demux, msg ); \
+#define STANDARD_DEMUX_INIT_MSG( msg ) do { \
+ DEMUX_INIT_COMMON(); \
+ msg_Dbg( p_demux, msg ); } while(0)
#define DEMUX_BY_EXTENSION( ext ) \
demux_t *p_demux = (demux_t *)p_this; \
- if( !demux2_IsPathExtension( p_demux, ext ) ) \
+ if( !demux_IsPathExtension( p_demux, ext ) ) \
return VLC_EGENERIC; \
- STANDARD_DEMUX_INIT;
+ DEMUX_INIT_COMMON();
#define DEMUX_BY_EXTENSION_MSG( ext, msg ) \
demux_t *p_demux = (demux_t *)p_this; \
- if( !demux2_IsPathExtension( p_demux, ext ) ) \
+ if( !demux_IsPathExtension( p_demux, ext ) ) \
return VLC_EGENERIC; \
STANDARD_DEMUX_INIT_MSG( msg );
#define DEMUX_BY_EXTENSION_OR_FORCED( ext, module ) \
demux_t *p_demux = (demux_t *)p_this; \
- if( !demux2_IsPathExtension( p_demux, ext ) && !demux2_IsForced( p_demux, module ) ) \
+ if( !demux_IsPathExtension( p_demux, ext ) && !demux_IsForced( p_demux, module ) ) \
return VLC_EGENERIC; \
- STANDARD_DEMUX_INIT;
+ DEMUX_INIT_COMMON();
#define DEMUX_BY_EXTENSION_OR_FORCED_MSG( ext, module, msg ) \
demux_t *p_demux = (demux_t *)p_this; \
- if( !demux2_IsPathExtension( p_demux, ext ) && !demux2_IsForced( p_demux, module ) ) \
+ if( !demux_IsPathExtension( p_demux, ext ) && !demux_IsForced( p_demux, module ) ) \
return VLC_EGENERIC; \
STANDARD_DEMUX_INIT_MSG( msg );
if( stream_Peek( p_demux->s , &zepeek, size ) < size ) { \
msg_Dbg( p_demux, "not enough data" ); goto error; }
-#define CHECK_DISCARD_PEEK( size ) { uint8_t *p_peek; \
- if( stream_Peek( p_demux->s , &p_peek, size ) < size ) return VLC_EGENERIC;}
-
-#define POKE( peek, stuff, size ) (strncasecmp( (char *)peek, stuff, size )==0)
+#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 ); \
module_Need( location, "packetizer", NULL, 0 ); \
if( location->p_module == NULL ) \
{ \
- vlc_object_destroy( location ); \
+ 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_destroy( location );
+ vlc_object_release( location );
/**
* @}