mirror of https://code.videolan.org/videolan/vlc
Implement access_GetParentInput and demux_GetParentInput and use.
This try to avoid vlc_object_find() as much as possible. This is conservative, because where there is no associated parent input, we'll try to find in certain cases the parent input. This will probably be removed later on. Because yes, there is not necessarily a parent input for access and demux, especially if created from stream_UrlNew().
This commit is contained in:
parent
60677faf20
commit
0d1f966a0b
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@ -115,6 +115,9 @@ struct access_t
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int i_seekpoint;/* idem, start from 0 */
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} info;
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access_sys_t *p_sys;
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/* Weak link to parent input */
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input_thread_t *p_input;
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};
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static inline int access_vaControl( access_t *p_access, int i_query, va_list args )
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@ -144,6 +147,12 @@ static inline void access_InitFields( access_t *p_a )
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p_a->info.i_seekpoint = 0;
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}
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/**
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* This function will return the parent input of this access.
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* It is retained. It can return NULL.
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*/
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VLC_EXPORT( input_thread_t *, access_GetParentInput, ( access_t *p_access ) );
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#define ACCESS_SET_CALLBACKS( read, block, control, seek ) \
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p_access->pf_read = read; \
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p_access->pf_block = block; \
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@ -71,6 +71,9 @@ struct demux_t
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int i_seekpoint; /* idem, start from 0 */
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} info;
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demux_sys_t *p_sys;
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/* Weak link to parent input */
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input_thread_t *p_input;
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};
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@ -190,6 +193,12 @@ VLC_EXPORT( decoder_t *,demux_PacketizerNew, ( demux_t *p_demux, es_format_t *p_
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*/
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VLC_EXPORT( void, demux_PacketizerDestroy, ( decoder_t *p_packetizer ) );
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/**
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* This function will return the parent input of this demux.
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* It is retained. Can return NULL.
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*/
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VLC_EXPORT( input_thread_t *, demux_GetParentInput, ( demux_t *p_demux ) );
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/* */
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#define DEMUX_INIT_COMMON() do { \
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p_demux->pf_control = Control; \
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@ -75,6 +75,9 @@ struct stream_t
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/* Text reader state */
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stream_text_t *p_text;
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/* Weak link to parent input */
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input_thread_t *p_input;
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};
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/**
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@ -157,8 +160,8 @@ static inline char *stream_ContentType( stream_t *s )
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* Create a special stream and a demuxer, this allows chaining demuxers
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* You must delete it using stream_Delete.
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*/
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#define stream_DemuxNew( a, b, c ) __stream_DemuxNew( VLC_OBJECT(a), b, c)
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VLC_EXPORT( stream_t *,__stream_DemuxNew, ( vlc_object_t *p_obj, const char *psz_demux, es_out_t *out ) );
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VLC_EXPORT( stream_t *, stream_DemuxNew, ( demux_t *p_demux, const char *psz_demux, es_out_t *out ) );
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/**
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* Send data to a stream_t handle created by stream_DemuxNew.
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*/
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@ -31,8 +31,9 @@
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/*****************************************************************************
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* access_New:
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*****************************************************************************/
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access_t *__access_New( vlc_object_t *p_obj, const char *psz_access,
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const char *psz_demux, const char *psz_path )
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access_t *__access_New( vlc_object_t *p_obj, input_thread_t *p_parent_input,
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const char *psz_access, const char *psz_demux,
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const char *psz_path )
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{
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access_t *p_access = vlc_custom_create( p_obj, sizeof (*p_access),
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VLC_OBJECT_GENERIC, "access" );
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@ -44,6 +45,8 @@ access_t *__access_New( vlc_object_t *p_obj, const char *psz_access,
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msg_Dbg( p_obj, "creating access '%s' path='%s'",
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psz_access, psz_path );
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p_access->p_input = p_parent_input;
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p_access->psz_path = strdup( psz_path );
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p_access->psz_access = strdup( psz_access );
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p_access->psz_demux = strdup( psz_demux );
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@ -89,3 +92,12 @@ void access_Delete( access_t *p_access )
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vlc_object_release( p_access );
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}
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/*****************************************************************************
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* access_GetParentInput:
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*****************************************************************************/
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input_thread_t * access_GetParentInput( access_t *p_access )
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{
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return p_access->p_input ? vlc_object_hold((vlc_object_t *)p_access->p_input) : NULL;
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}
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@ -32,9 +32,10 @@
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#include <vlc_common.h>
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#include <vlc_access.h>
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#define access_New( a, b, c, d ) __access_New(VLC_OBJECT(a), b, c, d )
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access_t * __access_New( vlc_object_t *p_obj, const char *psz_access,
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const char *psz_demux, const char *psz_path );
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#define access_New( a, b, c, d, e ) __access_New(VLC_OBJECT(a), b, c, d, e )
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access_t * __access_New( vlc_object_t *p_obj, input_thread_t *p_input,
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const char *psz_access, const char *psz_demux,
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const char *psz_path );
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void access_Delete( access_t * );
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#endif
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@ -37,7 +37,7 @@ static bool SkipAPETag( demux_t *p_demux );
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* demux_New:
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* if s is NULL then load a access_demux
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*****************************************************************************/
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demux_t *__demux_New( vlc_object_t *p_obj,
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demux_t *__demux_New( vlc_object_t *p_obj, input_thread_t *p_parent_input,
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const char *psz_access, const char *psz_demux,
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const char *psz_path,
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stream_t *s, es_out_t *out, bool b_quick )
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@ -49,6 +49,8 @@ demux_t *__demux_New( vlc_object_t *p_obj,
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if( p_demux == NULL ) return NULL;
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p_demux->p_input = p_parent_input;
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/* Parse URL */
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p_demux->psz_access = strdup( psz_access );
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p_demux->psz_demux = strdup( psz_demux );
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@ -203,6 +205,15 @@ void demux_Delete( demux_t *p_demux )
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vlc_object_release( p_demux );
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}
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/*****************************************************************************
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* demux_GetParentInput:
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*****************************************************************************/
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input_thread_t * demux_GetParentInput( demux_t *p_demux )
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{
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return p_demux->p_input ? vlc_object_hold((vlc_object_t*)p_demux->p_input) : NULL;
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}
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/*****************************************************************************
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* demux_vaControlHelper:
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*****************************************************************************/
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@ -35,8 +35,8 @@
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#include "stream.h"
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/* stream_t *s could be null and then it mean a access+demux in one */
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#define demux_New( a, b, c, d, e, f,g ) __demux_New(VLC_OBJECT(a),b,c,d,e,f,g)
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demux_t *__demux_New( vlc_object_t *p_obj, const char *psz_access, const char *psz_demux, const char *psz_path, stream_t *s, es_out_t *out, bool );
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#define demux_New( a, b, c, d, e, f, g, h ) __demux_New(VLC_OBJECT(a),b,c,d,e,f,g,h)
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demux_t *__demux_New( vlc_object_t *p_obj, input_thread_t *p_parent_input, const char *psz_access, const char *psz_demux, const char *psz_path, stream_t *s, es_out_t *out, bool );
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void demux_Delete( demux_t * );
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@ -2416,7 +2416,7 @@ static int InputSourceInit( input_thread_t *p_input,
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}
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/* Try access_demux first */
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in->p_demux = demux_New( p_input, psz_access, psz_demux, psz_path,
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in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux, psz_path,
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NULL, p_input->p->p_es_out, false );
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}
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else
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@ -2481,7 +2481,7 @@ static int InputSourceInit( input_thread_t *p_input,
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else
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{
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/* Now try a real access */
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in->p_access = access_New( p_input, psz_access, psz_demux, psz_path );
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in->p_access = access_New( p_input, p_input, psz_access, psz_demux, psz_path );
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if( in->p_access == NULL )
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{
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if( vlc_object_alive( p_input ) )
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@ -2609,7 +2609,7 @@ static int InputSourceInit( input_thread_t *p_input,
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{
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psz_real_path = psz_path;
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}
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in->p_demux = demux_New( p_input, psz_access, psz_demux,
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in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux,
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psz_real_path,
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in->p_stream, p_input->p->p_es_out,
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p_input->b_preparsing );
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@ -229,6 +229,7 @@ stream_t *stream_CommonNew( vlc_object_t *p_obj )
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return s;
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}
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void stream_CommonDelete( stream_t *s )
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{
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if( s->p_text )
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@ -258,8 +259,15 @@ stream_t *__stream_UrlNew( vlc_object_t *p_parent, const char *psz_url )
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strcpy( psz_dup, psz_url );
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input_SplitMRL( &psz_access, &psz_demux, &psz_path, psz_dup );
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/* Get a weak link to the parent input */
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/* FIXME: This should probably be removed in favor of a NULL input. */
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input_thread_t *p_input = (input_thread_t *)vlc_object_find( p_parent, VLC_OBJECT_INPUT, FIND_PARENT );
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/* Now try a real access */
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p_access = access_New( p_parent, psz_access, psz_demux, psz_path );
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p_access = access_New( p_parent, p_input, psz_access, psz_demux, psz_path );
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if(p_input)
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vlc_object_release((vlc_object_t*)p_input);
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if( p_access == NULL )
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{
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if( !s )
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return NULL;
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s->p_input = p_access->p_input;
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s->psz_path = strdup( p_access->psz_path );
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s->p_sys = p_sys = malloc( sizeof( *p_sys ) );
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if( !s->psz_path || !s->p_sys )
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if( !psz_name )
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break;
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access_t *p_tmp = access_New( p_access,
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access_t *p_tmp = access_New( p_access, p_access->p_input,
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p_access->psz_access, "", psz_name );
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if( !p_tmp )
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continue;
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@ -1533,8 +1542,7 @@ char *stream_ReadLine( stream_t *s )
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}
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/* FIXME that's UGLY */
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input_thread_t *p_input;
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p_input = (input_thread_t *)vlc_object_find( s, VLC_OBJECT_INPUT, FIND_PARENT );
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input_thread_t *p_input = s->p_input;
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if( p_input != NULL)
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{
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var_Create( p_input, "subsdec-encoding", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
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@ -1716,7 +1724,7 @@ static int AReadStream( stream_t *s, void *p_read, unsigned int i_read )
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msg_Dbg( s, "opening input `%s'", psz_name );
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p_list_access = access_New( s, p_access->psz_access, "", psz_name );
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p_list_access = access_New( s, s->p_input, p_access->psz_access, "", psz_name );
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if( !p_list_access ) return 0;
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@ -1788,7 +1796,7 @@ static block_t *AReadBlock( stream_t *s, bool *pb_eof )
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msg_Dbg( s, "opening input `%s'", psz_name );
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p_list_access = access_New( s, p_access->psz_access, "", psz_name );
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p_list_access = access_New( s, s->p_input, p_access->psz_access, "", psz_name );
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if( !p_list_access ) return 0;
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if( i != p_sys->i_list_index && i != 0 )
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{
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p_list_access =
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access_New( s, p_access->psz_access, "", psz_name );
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access_New( s, s->p_input, p_access->psz_access, "", psz_name );
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}
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else if( i != p_sys->i_list_index )
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{
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@ -54,9 +54,9 @@ static void DStreamDelete ( stream_t * );
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static void* DStreamThread ( vlc_object_t * );
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stream_t *__stream_DemuxNew( vlc_object_t *p_obj, const char *psz_demux,
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es_out_t *out )
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stream_t *stream_DemuxNew( demux_t *p_demux, const char *psz_demux, es_out_t *out )
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{
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vlc_object_t *p_obj = VLC_OBJECT(p_demux);
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/* We create a stream reader, and launch a thread */
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stream_t *s;
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stream_sys_t *p_sys;
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s = stream_CommonNew( p_obj );
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if( s == NULL )
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return NULL;
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s->p_input = p_demux->p_input;
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s->psz_path = strdup(""); /* N/A */
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s->pf_read = DStreamRead;
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s->pf_peek = DStreamPeek;
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int canc = vlc_savecancel();
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/* Create the demuxer */
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if( !(p_demux = demux_New( s, "", p_sys->psz_name, "", s, p_sys->out,
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if( !(p_demux = demux_New( s, s->p_input, "", p_sys->psz_name, "", s, p_sys->out,
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false )) )
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{
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return NULL;
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@ -42,6 +42,8 @@ stream_t *stream_FilterNew( stream_t *p_source,
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if( s == NULL )
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return NULL;
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s->p_input = p_source->p_input;
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/* */
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s->psz_path = strdup( p_source->psz_path );
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if( !s->psz_path )
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@ -78,6 +78,12 @@ stream_t *__stream_MemoryNew( vlc_object_t *p_this, uint8_t *p_buffer,
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vlc_object_attach( s, p_this );
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/* Get a weak link to the parent input */
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/* FIXME: The usage of vlc_object_find has to be removed. */
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s->p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
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if(s->p_input)
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vlc_object_release((vlc_object_t*)s->p_input);
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return s;
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}
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@ -1,3 +1,4 @@
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access_GetParentInput
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ACL_AddNet
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ACL_Check
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__ACL_Create
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@ -97,6 +98,7 @@ decoder_SynchroTrash
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decoder_UnlinkPicture
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decode_URI
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decode_URI_duplicate
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demux_GetParentInput
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demux_PacketizerDestroy
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demux_PacketizerNew
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demux_vaControlHelper
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@ -379,7 +381,7 @@ __stats_TimerStop
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stream_Block
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stream_Control
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stream_Delete
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__stream_DemuxNew
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stream_DemuxNew
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stream_DemuxSend
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__stream_MemoryNew
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stream_Peek
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