#include <vlc_strings.h>
#include <vlc_osd.h>
#include <vlc_charset.h>
+#include <vlc_memory.h>
#include <libvlc.h>
#include "input_internal.h"
-#undef STREAM_DEBUG
+// #define STREAM_DEBUG 1
/* TODO:
* - tune the 2 methods (block/stream)
access_entry_t **list;
int i_list_index;
access_t *p_list_access;
-
- /* Preparse mode ? */
- bool b_quick;
-
- /* */
- struct
- {
- bool b_active;
-
- FILE *f; /* TODO it could be replaced by access_output_t one day */
- bool b_error;
- } record;
};
/* Method 1: */
static void AStreamDestroy( stream_t *s );
static void UStreamDestroy( stream_t *s );
static int ASeek( stream_t *s, int64_t i_pos );
-static int ARecordSetState( stream_t *s, bool b_record, const char *psz_extension );
-static void ARecordWrite( stream_t *s, const uint8_t *p_buffer, size_t i_buffer );
/****************************************************************************
* stream_CommonNew: create an empty stream structure
return s;
}
+
void stream_CommonDelete( stream_t *s )
{
if( s->p_text )
vlc_iconv_close( s->p_text->conv );
free( s->p_text );
}
+ free( s->psz_path );
vlc_object_release( s );
}
strcpy( psz_dup, psz_url );
input_SplitMRL( &psz_access, &psz_demux, &psz_path, psz_dup );
+ /* Get a weak link to the parent input */
+ /* FIXME: This should probably be removed in favor of a NULL input. */
+ input_thread_t *p_input = (input_thread_t *)vlc_object_find( p_parent, VLC_OBJECT_INPUT, FIND_PARENT );
+
/* Now try a real access */
- p_access = access_New( p_parent, psz_access, psz_demux, psz_path );
+ p_access = access_New( p_parent, p_input, psz_access, psz_demux, psz_path );
+
+ if(p_input)
+ vlc_object_release((vlc_object_t*)p_input);
if( p_access == NULL )
{
return NULL;
}
- if( !( p_res = stream_AccessNew( p_access, true ) ) )
+ if( !( p_res = stream_AccessNew( p_access, NULL ) ) )
{
access_Delete( p_access );
return NULL;
return p_res;
}
-stream_t *stream_AccessNew( access_t *p_access, bool b_quick )
+stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
{
stream_t *s = stream_CommonNew( VLC_OBJECT(p_access) );
stream_sys_t *p_sys;
- char *psz_list = NULL;
if( !s )
return NULL;
- s->p_sys = p_sys = malloc( sizeof( stream_sys_t ) );
- if( !p_sys )
+ s->p_input = p_access->p_input;
+ s->psz_path = strdup( p_access->psz_path );
+ s->p_sys = p_sys = malloc( sizeof( *p_sys ) );
+ if( !s->psz_path || !s->p_sys )
{
stream_CommonDelete( s );
return NULL;
else
p_sys->method = STREAM_METHOD_STREAM;
- p_sys->record.b_active = false;
-
p_sys->i_pos = p_access->info.i_pos;
/* Stats */
p_sys->stat.i_seek_count = 0;
p_sys->stat.i_seek_time = 0;
- p_sys->i_list = 0;
- p_sys->list = 0;
+ TAB_INIT( p_sys->i_list, p_sys->list );
p_sys->i_list_index = 0;
- p_sys->p_list_access = 0;
-
- p_sys->b_quick = b_quick;
+ p_sys->p_list_access = NULL;
/* Get the additional list of inputs if any (for concatenation) */
- if( (psz_list = var_CreateGetString( s, "input-list" )) && *psz_list )
+ if( ppsz_list && ppsz_list[0] )
{
- access_entry_t *p_entry = malloc( sizeof(access_entry_t) );
- if( p_entry == NULL )
+ access_entry_t *p_entry = malloc( sizeof(*p_entry) );
+ if( !p_entry )
goto error;
- char *psz_name, *psz_parser = psz_name = psz_list;
- p_sys->p_list_access = p_access;
p_entry->i_size = p_access->info.i_size;
p_entry->psz_path = strdup( p_access->psz_path );
- if( p_entry->psz_path == NULL )
+ if( !p_entry->psz_path )
{
free( p_entry );
goto error;
}
+ p_sys->p_list_access = p_access;
TAB_APPEND( p_sys->i_list, p_sys->list, p_entry );
msg_Dbg( p_access, "adding file `%s', (%"PRId64" bytes)",
p_entry->psz_path, p_access->info.i_size );
- while( psz_name && *psz_name )
+ for( int i = 0; ppsz_list[i] != NULL; i++ )
{
- psz_parser = strchr( psz_name, ',' );
- if( psz_parser ) *psz_parser = 0;
+ char *psz_name = strdup( ppsz_list[i] );
- psz_name = strdup( psz_name );
- if( psz_name )
- {
- access_t *p_tmp = access_New( p_access, p_access->psz_access,
- "", psz_name );
+ if( !psz_name )
+ break;
- if( !p_tmp )
- {
- psz_name = psz_parser;
- if( psz_name ) psz_name++;
- continue;
- }
+ access_t *p_tmp = access_New( p_access, p_access->p_input,
+ p_access->psz_access, "", psz_name );
+ if( !p_tmp )
+ continue;
- msg_Dbg( p_access, "adding file `%s', (%"PRId64" bytes)",
- psz_name, p_tmp->info.i_size );
+ msg_Dbg( p_access, "adding file `%s', (%"PRId64" bytes)",
+ psz_name, p_tmp->info.i_size );
- p_entry = malloc( sizeof(access_entry_t) );
- if( p_entry == NULL )
- goto error;
+ p_entry = malloc( sizeof(*p_entry) );
+ if( p_entry )
+ {
p_entry->i_size = p_tmp->info.i_size;
p_entry->psz_path = psz_name;
TAB_APPEND( p_sys->i_list, p_sys->list, p_entry );
-
- access_Delete( p_tmp );
}
-
- psz_name = psz_parser;
- if( psz_name ) psz_name++;
+ access_Delete( p_tmp );
}
}
- FREENULL( psz_list );
/* Peek */
p_sys->i_peek = 0;
if( p_sys->stream.p_buffer == NULL )
goto error;
p_sys->stream.i_used = 0;
- access_Control( p_access, ACCESS_GET_MTU,
- &p_sys->stream.i_read_size );
- if( p_sys->stream.i_read_size <= 0 )
- p_sys->stream.i_read_size = STREAM_READ_ATONCE;
- else if( p_sys->stream.i_read_size <= 256 )
- p_sys->stream.i_read_size = 256;
+ p_sys->stream.i_read_size = STREAM_READ_ATONCE;
+#if STREAM_READ_ATONCE < 256
+# error "Invalid STREAM_READ_ATONCE value"
+#endif
for( i = 0; i < STREAM_CACHE_TRACK; i++ )
{
while( p_sys->i_list > 0 )
free( p_sys->list[--(p_sys->i_list)] );
free( p_sys->list );
- free( psz_list );
free( s->p_sys );
vlc_object_detach( s );
stream_CommonDelete( s );
vlc_object_detach( s );
- if( p_sys->record.b_active )
- ARecordSetState( s, false, NULL );
-
if( p_sys->method == STREAM_METHOD_BLOCK )
block_ChainRelease( p_sys->block.p_first );
else
}
/****************************************************************************
- * stream_AccessReset:
+ * AStreamControlReset:
****************************************************************************/
-void stream_AccessReset( stream_t *s )
+static void AStreamControlReset( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
}
/****************************************************************************
- * stream_AccessUpdate:
+ * AStreamControlUpdate:
****************************************************************************/
-void stream_AccessUpdate( stream_t *s )
+static void AStreamControlUpdate( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
stream_sys_t *p_sys = s->p_sys;
access_t *p_access = p_sys->p_access;
- bool *p_bool;
- bool b_bool;
- const char *psz_string;
- int64_t *pi_64, i_64;
- int i_int;
+ bool *p_bool;
+ int64_t *pi_64, i_64;
+ int i_int;
switch( i_query )
{
return VLC_EGENERIC;
}
- case STREAM_GET_MTU:
- return VLC_EGENERIC;
-
case STREAM_CONTROL_ACCESS:
+ {
i_int = (int) va_arg( args, int );
if( i_int != ACCESS_SET_PRIVATE_ID_STATE &&
i_int != ACCESS_SET_PRIVATE_ID_CA &&
- i_int != ACCESS_GET_PRIVATE_ID_STATE )
+ i_int != ACCESS_GET_PRIVATE_ID_STATE &&
+ i_int != ACCESS_SET_TITLE &&
+ i_int != ACCESS_SET_SEEKPOINT )
{
msg_Err( s, "Hey, what are you thinking ?"
"DON'T USE STREAM_CONTROL_ACCESS !!!" );
return VLC_EGENERIC;
}
- return access_vaControl( p_access, i_int, args );
+ int i_ret = access_vaControl( p_access, i_int, args );
+ if( i_int == ACCESS_SET_TITLE || i_int == ACCESS_SET_SEEKPOINT )
+ AStreamControlReset( s );
+ return i_ret;
+ }
+
+ case STREAM_UPDATE_SIZE:
+ AStreamControlUpdate( s );
+ return VLC_SUCCESS;
case STREAM_GET_CONTENT_TYPE:
return access_Control( p_access, ACCESS_GET_CONTENT_TYPE,
va_arg( args, char ** ) );
case STREAM_SET_RECORD_STATE:
- b_bool = (bool)va_arg( args, int );
- psz_string = NULL;
- if( b_bool )
- psz_string = (const char*)va_arg( args, const char* );
- return ARecordSetState( s, b_bool, psz_string );
-
default:
msg_Err( s, "invalid stream_vaControl query=0x%x", i_query );
return VLC_EGENERIC;
return VLC_SUCCESS;
}
-/****************************************************************************
- * ARecord*: record stream functions
- ****************************************************************************/
-static int ARecordStart( stream_t *s, const char *psz_extension )
-{
- stream_sys_t *p_sys = s->p_sys;
-
- char *psz_file;
- FILE *f;
-
- /* */
- if( !psz_extension )
- psz_extension = "dat";
-
- /* Retreive path */
- char *psz_path = var_CreateGetString( s, "input-record-path" );
- if( !psz_path || *psz_path == '\0' )
- {
- free( psz_path );
- psz_path = strdup( config_GetHomeDir() );
- }
-
- if( !psz_path )
- return VLC_ENOMEM;
-
- /* Create file name
- * TODO allow prefix configuration */
- psz_file = input_CreateFilename( VLC_OBJECT(s), psz_path, INPUT_RECORD_PREFIX, psz_extension );
-
- free( psz_path );
-
- if( !psz_file )
- return VLC_ENOMEM;
-
- f = utf8_fopen( psz_file, "wb" );
- if( !f )
- {
- free( psz_file );
- return VLC_EGENERIC;
- }
- msg_Dbg( s, "Recording into %s", psz_file );
- free( psz_file );
-
- /* */
- p_sys->record.f = f;
- p_sys->record.b_active = true;
- p_sys->record.b_error = false;
- return VLC_SUCCESS;
-}
-static int ARecordStop( stream_t *s )
-{
- stream_sys_t *p_sys = s->p_sys;
-
- assert( p_sys->record.b_active );
-
- msg_Dbg( s, "Recording completed" );
- fclose( p_sys->record.f );
- p_sys->record.b_active = false;
- return VLC_SUCCESS;
-}
-
-static int ARecordSetState( stream_t *s, bool b_record, const char *psz_extension )
-{
- stream_sys_t *p_sys = s->p_sys;
-
- if( !!p_sys->record.b_active == !!b_record )
- return VLC_SUCCESS;
-
- if( b_record )
- return ARecordStart( s, psz_extension );
- else
- return ARecordStop( s );
-}
-static void ARecordWrite( stream_t *s, const uint8_t *p_buffer, size_t i_buffer )
-{
- stream_sys_t *p_sys = s->p_sys;
-
- assert( p_sys->record.b_active );
-
- if( i_buffer > 0 )
- {
- const bool b_previous_error = p_sys->record.b_error;
- const size_t i_written = fwrite( p_buffer, 1, i_buffer, p_sys->record.f );
-
- p_sys->record.b_error = i_written != i_buffer;
-
- /* TODO maybe a intf_UserError or something like that ? */
- if( p_sys->record.b_error && !b_previous_error )
- msg_Err( s, "Failed to record data (begin)" );
- else if( !p_sys->record.b_error && b_previous_error )
- msg_Err( s, "Failed to record data (end)" );
- }
-}
-
/****************************************************************************
* Method 1:
****************************************************************************/
static void AStreamPrebufferBlock( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
- access_t *p_access = p_sys->p_access;
int64_t i_first = 0;
int64_t i_start;
stream_sys_t *p_sys = s->p_sys;
uint8_t *p_data = p_read;
- uint8_t *p_record = p_data;
unsigned int i_data = 0;
/* It means EOF */
if( p_sys->block.p_current == NULL )
return 0;
- if( p_sys->record.b_active && !p_data )
- p_record = p_data = malloc( i_read );
-
if( p_data == NULL )
{
/* seek within this stream if possible, else use plain old read and discard */
}
}
- if( p_sys->record.b_active )
- {
- if( i_data > 0 && p_record != NULL)
- ARecordWrite( s, p_record, i_data );
- if( !p_read )
- free( p_record );
- }
-
p_sys->i_pos += i_data;
return i_data;
}
/* We need to create a local copy */
if( p_sys->i_peek < i_read )
{
- p_sys->p_peek = realloc( p_sys->p_peek, i_read );
+ p_sys->p_peek = realloc_or_free( p_sys->p_peek, i_read );
if( !p_sys->p_peek )
{
p_sys->i_peek = 0;
}
while( p_sys->block.i_start + p_sys->block.i_size < i_pos );
- p_sys->block.i_offset = i_pos - p_sys->i_pos;
+ p_sys->block.i_offset += i_pos - p_sys->i_pos;
p_sys->i_pos = i_pos;
return VLC_SUCCESS;
static int AStreamRefillBlock( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
- int64_t i_start, i_stop;
block_t *b;
/* Release data */
}
/* Now read a new block */
- i_start = mdate();
+ const int64_t i_start = mdate();
for( ;; )
{
bool b_eof;
return VLC_EGENERIC;
}
+ p_sys->stat.i_read_time += mdate() - i_start;
while( b )
{
- i_stop = mdate();
-
/* Append the block */
p_sys->block.i_size += b->i_buffer;
*p_sys->block.pp_last = b;
/* Update stat */
p_sys->stat.i_bytes += b->i_buffer;
- p_sys->stat.i_read_time += i_stop - i_start;
p_sys->stat.i_read_count++;
b = b->p_next;
- i_start = mdate();
}
return VLC_SUCCESS;
}
* Method 2:
****************************************************************************/
static int AStreamRefillStream( stream_t *s );
+static int AStreamReadNoSeekStream( stream_t *s, void *p_read, unsigned int i_read );
static int AStreamReadStream( stream_t *s, void *p_read, unsigned int i_read )
{
stream_sys_t *p_sys = s->p_sys;
- stream_track_t *tk = &p_sys->stream.tk[p_sys->stream.i_tk];
- uint8_t *p_data = (uint8_t *)p_read;
- uint8_t *p_record = p_data;
- unsigned int i_data = 0;
-
- if( tk->i_start >= tk->i_end )
- return 0; /* EOF */
-
- if( p_sys->record.b_active && !p_data )
- p_record = p_data = malloc( i_read );
-
- if( p_data == NULL )
+ if( !p_read )
{
- /* seek within this stream if possible, else use plain old read and discard */
- stream_sys_t *p_sys = s->p_sys;
- access_t *p_access = p_sys->p_access;
-
- /* seeking after EOF is not what we want */
- if( !( p_access->info.b_eof ) )
- {
- bool b_aseek;
- access_Control( p_access, ACCESS_CAN_SEEK, &b_aseek );
- if( b_aseek )
- return AStreamSeekStream( s, p_sys->i_pos + i_read ) ? 0 : i_read;
- }
- }
+ const int64_t i_pos_wanted = p_sys->i_pos + i_read;
-#ifdef STREAM_DEBUG
- msg_Dbg( s, "AStreamReadStream: %d pos=%"PRId64" tk=%d start=%"PRId64
- " offset=%d end=%"PRId64,
- i_read, p_sys->i_pos, p_sys->stream.i_tk,
- tk->i_start, p_sys->stream.i_offset, tk->i_end );
-#endif
-
- while( i_data < i_read )
- {
- int i_off = (tk->i_start + p_sys->stream.i_offset) %
- STREAM_CACHE_TRACK_SIZE;
- unsigned int i_current =
- __MAX(0,__MIN( tk->i_end - tk->i_start - p_sys->stream.i_offset,
- STREAM_CACHE_TRACK_SIZE - i_off ));
- int i_copy = __MIN( i_current, i_read - i_data );
-
- if( i_copy <= 0 ) break; /* EOF */
-
- /* Copy data */
- /* msg_Dbg( s, "AStreamReadStream: copy %d", i_copy ); */
- if( p_data )
- {
- memcpy( p_data, &tk->p_buffer[i_off], i_copy );
- p_data += i_copy;
- }
- i_data += i_copy;
- p_sys->stream.i_offset += i_copy;
-
- /* Update pos now */
- p_sys->i_pos += i_copy;
-
- /* */
- p_sys->stream.i_used += i_copy;
- if( tk->i_start + p_sys->stream.i_offset >= tk->i_end ||
- p_sys->stream.i_used >= p_sys->stream.i_read_size )
+ if( AStreamSeekStream( s, i_pos_wanted ) )
{
- if( p_sys->stream.i_used < i_read - i_data )
- p_sys->stream.i_used = __MIN( i_read - i_data, STREAM_READ_ATONCE * 10 );
-
- if( AStreamRefillStream( s ) )
- {
- /* EOF */
- if( tk->i_start >= tk->i_end ) break;
- }
+ if( p_sys->i_pos != i_pos_wanted )
+ return 0;
}
+ return i_read;
}
-
- if( p_sys->record.b_active )
- {
- if( i_data > 0 && p_record != NULL)
- ARecordWrite( s, p_record, i_data );
- if( !p_read )
- free( p_record );
- }
-
- return i_data;
+ return AStreamReadNoSeekStream( s, p_read, i_read );
}
static int AStreamPeekStream( stream_t *s, const uint8_t **pp_peek, unsigned int i_read )
if( p_sys->i_peek < i_read )
{
- p_sys->p_peek = realloc( p_sys->p_peek, i_read );
+ p_sys->p_peek = realloc_or_free( p_sys->p_peek, i_read );
if( !p_sys->p_peek )
{
p_sys->i_peek = 0;
static int AStreamSeekStream( stream_t *s, int64_t i_pos )
{
stream_sys_t *p_sys = s->p_sys;
- access_t *p_access = p_sys->p_access;
- bool b_aseek;
- bool b_afastseek;
- int i_maxth;
- int i_new;
- int i;
+
+ stream_track_t *p_current = &p_sys->stream.tk[p_sys->stream.i_tk];
+ access_t *p_access = p_sys->p_access;
+
+ if( p_current->i_start >= p_current->i_end && i_pos >= p_current->i_end )
+ return 0; /* EOF */
#ifdef STREAM_DEBUG
msg_Dbg( s, "AStreamSeekStream: to %"PRId64" pos=%"PRId64
" tk=%d start=%"PRId64" offset=%d end=%"PRId64,
i_pos, p_sys->i_pos, p_sys->stream.i_tk,
- p_sys->stream.tk[p_sys->stream.i_tk].i_start,
+ p_current->i_start,
p_sys->stream.i_offset,
- p_sys->stream.tk[p_sys->stream.i_tk].i_end );
-#endif
-
-
- /* Seek in our current track ? */
- if( i_pos >= p_sys->stream.tk[p_sys->stream.i_tk].i_start &&
- i_pos < p_sys->stream.tk[p_sys->stream.i_tk].i_end )
- {
- stream_track_t *tk = &p_sys->stream.tk[p_sys->stream.i_tk];
-#ifdef STREAM_DEBUG
- msg_Dbg( s, "AStreamSeekStream: current track" );
+ p_current->i_end );
#endif
- p_sys->i_pos = i_pos;
- p_sys->stream.i_offset = i_pos - tk->i_start;
-
- /* If there is not enough data left in the track, refill */
- /* \todo How to get a correct value for
- * - refilling threshold
- * - how much to refill
- */
- if( (tk->i_end - tk->i_start ) - p_sys->stream.i_offset <
- p_sys->stream.i_read_size )
- {
- if( p_sys->stream.i_used < STREAM_READ_ATONCE / 2 )
- {
- p_sys->stream.i_used = STREAM_READ_ATONCE / 2 ;
- AStreamRefillStream( s );
- }
- }
- return VLC_SUCCESS;
- }
+ bool b_aseek;
access_Control( p_access, ACCESS_CAN_SEEK, &b_aseek );
- if( !b_aseek )
+ if( !b_aseek && i_pos < p_current->i_start )
{
- /* We can't do nothing */
- msg_Dbg( s, "AStreamSeekStream: can't seek" );
+ msg_Warn( s, "AStreamSeekStream: can't seek" );
return VLC_EGENERIC;
}
- /* Date the current track */
- p_sys->stream.tk[p_sys->stream.i_tk].i_date = mdate();
+ bool b_afastseek;
+ access_Control( p_access, ACCESS_CAN_FASTSEEK, &b_afastseek );
- /* Try to reuse already read data */
- for( i = 0; i < STREAM_CACHE_TRACK; i++ )
- {
- stream_track_t *tk = &p_sys->stream.tk[i];
+ /* FIXME compute seek cost (instead of static 'stupid' value) */
+ int64_t i_skip_threshold;
+ if( b_aseek )
+ i_skip_threshold = b_afastseek ? 128 : 3*p_sys->stream.i_read_size;
+ else
+ i_skip_threshold = INT64_MAX;
- if( i_pos >= tk->i_start && i_pos <= tk->i_end )
- {
-#ifdef STREAM_DEBUG
- msg_Dbg( s, "AStreamSeekStream: reusing %d start=%"PRId64
- " end=%"PRId64, i, tk->i_start, tk->i_end );
-#endif
+ /* Date the current track */
+ p_current->i_date = mdate();
- /* Seek at the end of the buffer */
- if( ASeek( s, tk->i_end ) ) return VLC_EGENERIC;
+ /* Search a new track slot */
+ stream_track_t *tk = NULL;
+ int i_tk_idx = -1;
- /* That's it */
- p_sys->i_pos = i_pos;
- p_sys->stream.i_tk = i;
- p_sys->stream.i_offset = i_pos - tk->i_start;
+ /* Prefer the current track */
+ if( p_current->i_start <= i_pos && i_pos - p_current->i_end <= i_skip_threshold )
+ {
+ tk = p_current;
+ i_tk_idx = p_sys->stream.i_tk;
+ }
+ if( !tk )
+ {
+ /* Try to maximize already read data */
+ for( int i = 0; i < STREAM_CACHE_TRACK; i++ )
+ {
+ stream_track_t *t = &p_sys->stream.tk[i];
- if( p_sys->stream.i_used < 1024 )
- p_sys->stream.i_used = 1024;
+ if( t->i_start > i_pos || i_pos > t->i_end )
+ continue;
- if( AStreamRefillStream( s ) && i_pos == tk->i_end )
- return VLC_EGENERIC;
+ if( !tk || tk->i_end < t->i_end )
+ {
+ tk = t;
+ i_tk_idx = i;
+ }
+ }
+ }
+ if( !tk )
+ {
+ /* Use the oldest unused */
+ for( int i = 0; i < STREAM_CACHE_TRACK; i++ )
+ {
+ stream_track_t *t = &p_sys->stream.tk[i];
- return VLC_SUCCESS;
+ if( !tk || tk->i_date > t->i_date )
+ {
+ tk = t;
+ i_tk_idx = i;
+ }
}
}
+ assert( i_tk_idx >= 0 && i_tk_idx < STREAM_CACHE_TRACK );
- access_Control( p_access, ACCESS_CAN_SEEK, &b_afastseek );
- /* FIXME compute seek cost (instead of static 'stupid' value) */
- i_maxth = __MIN( p_sys->stream.i_read_size, STREAM_READ_ATONCE / 2 );
- if( !b_afastseek )
- i_maxth *= 3;
-
- /* FIXME TODO */
-#if 0
- /* Search closest segment TODO */
- for( i = 0; i < STREAM_CACHE_TRACK; i++ )
+ if( tk != p_current )
+ i_skip_threshold = 0;
+ if( tk->i_start <= i_pos && i_pos - tk->i_end <= i_skip_threshold )
{
- stream_track_t *tk = &p_sys->stream.tk[i];
-
- if( i_pos + i_maxth >= tk->i_start )
+#ifdef STREAM_DEBUG
+ msg_Err( s, "AStreamSeekStream: reusing %d start=%"PRId64
+ " end=%"PRId64"(%s)",
+ i_tk_idx, tk->i_start, tk->i_end,
+ tk != p_current ? "seek" : i_pos > tk->i_end ? "skip" : "noseek" );
+#endif
+ if( tk != p_current )
{
- msg_Dbg( s, "good segment before current pos, TODO" );
+ assert( b_aseek );
+
+ /* Seek at the end of the buffer
+ * TODO it is stupid to seek now, it would be better to delay it
+ */
+ if( ASeek( s, tk->i_end ) )
+ return VLC_EGENERIC;
}
- if( i_pos - i_maxth <= tk->i_end )
+ else
{
- msg_Dbg( s, "good segment after current pos, TODO" );
+ int64_t i_skip = i_pos - tk->i_end;
+ while( i_skip > 0 )
+ {
+ const int i_read_max = __MIN( 10 * STREAM_READ_ATONCE, i_skip );
+ if( AStreamReadNoSeekStream( s, NULL, i_read_max ) != i_read_max )
+ return VLC_EGENERIC;
+ i_skip -= i_read_max;
+ }
}
}
+ else
+ {
+#ifdef STREAM_DEBUG
+ msg_Err( s, "AStreamSeekStream: hard seek" );
#endif
+ /* Nothing good, seek and choose oldest segment */
+ if( ASeek( s, i_pos ) )
+ return VLC_EGENERIC;
- /* Nothing good, seek and choose oldest segment */
- if( ASeek( s, i_pos ) ) return VLC_EGENERIC;
+ tk->i_start = i_pos;
+ tk->i_end = i_pos;
+ }
+ p_sys->stream.i_offset = i_pos - tk->i_start;
+ p_sys->stream.i_tk = i_tk_idx;
p_sys->i_pos = i_pos;
- i_new = 0;
- for( i = 1; i < STREAM_CACHE_TRACK; i++ )
+ /* If there is not enough data left in the track, refill */
+ /* TODO How to get a correct value for
+ * - refilling threshold
+ * - how much to refill
+ */
+ if( (tk->i_end - tk->i_start) - p_sys->stream.i_offset < p_sys->stream.i_read_size )
{
- if( p_sys->stream.tk[i].i_date < p_sys->stream.tk[i_new].i_date )
- i_new = i;
+ if( p_sys->stream.i_used < STREAM_READ_ATONCE / 2 )
+ p_sys->stream.i_used = STREAM_READ_ATONCE / 2;
+
+ if( AStreamRefillStream( s ) && i_pos == tk->i_end )
+ return VLC_EGENERIC;
}
+ return VLC_SUCCESS;
+}
- /* Reset the segment */
- p_sys->stream.i_tk = i_new;
- p_sys->stream.i_offset = 0;
- p_sys->stream.tk[i_new].i_start = i_pos;
- p_sys->stream.tk[i_new].i_end = i_pos;
+static int AStreamReadNoSeekStream( stream_t *s, void *p_read, unsigned int i_read )
+{
+ stream_sys_t *p_sys = s->p_sys;
+ stream_track_t *tk = &p_sys->stream.tk[p_sys->stream.i_tk];
- /* Read data */
- if( p_sys->stream.i_used < STREAM_READ_ATONCE / 2 )
- p_sys->stream.i_used = STREAM_READ_ATONCE / 2;
+ uint8_t *p_data = (uint8_t *)p_read;
+ unsigned int i_data = 0;
- if( AStreamRefillStream( s ) )
- return VLC_EGENERIC;
+ if( tk->i_start >= tk->i_end )
+ return 0; /* EOF */
- return VLC_SUCCESS;
+#ifdef STREAM_DEBUG
+ msg_Dbg( s, "AStreamReadStream: %d pos=%"PRId64" tk=%d start=%"PRId64
+ " offset=%d end=%"PRId64,
+ i_read, p_sys->i_pos, p_sys->stream.i_tk,
+ tk->i_start, p_sys->stream.i_offset, tk->i_end );
+#endif
+
+ while( i_data < i_read )
+ {
+ int i_off = (tk->i_start + p_sys->stream.i_offset) %
+ STREAM_CACHE_TRACK_SIZE;
+ unsigned int i_current =
+ __MAX(0,__MIN( tk->i_end - tk->i_start - p_sys->stream.i_offset,
+ STREAM_CACHE_TRACK_SIZE - i_off ));
+ int i_copy = __MIN( i_current, i_read - i_data );
+
+ if( i_copy <= 0 ) break; /* EOF */
+
+ /* Copy data */
+ /* msg_Dbg( s, "AStreamReadStream: copy %d", i_copy ); */
+ if( p_data )
+ {
+ memcpy( p_data, &tk->p_buffer[i_off], i_copy );
+ p_data += i_copy;
+ }
+ i_data += i_copy;
+ p_sys->stream.i_offset += i_copy;
+
+ /* Update pos now */
+ p_sys->i_pos += i_copy;
+
+ /* */
+ p_sys->stream.i_used += i_copy;
+
+ if( tk->i_end - tk->i_start - p_sys->stream.i_offset <= i_read -i_data )
+ {
+ const int i_read_requested = __MAX( __MIN( i_read - i_data,
+ STREAM_READ_ATONCE * 10 ),
+ STREAM_READ_ATONCE / 2 );
+
+ if( p_sys->stream.i_used < i_read_requested )
+ p_sys->stream.i_used = i_read_requested;
+
+ if( AStreamRefillStream( s ) )
+ {
+ /* EOF */
+ if( tk->i_start >= tk->i_end ) break;
+ }
+ }
+ }
+
+ return i_data;
}
+
static int AStreamRefillStream( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
static void AStreamPrebufferStream( stream_t *s )
{
stream_sys_t *p_sys = s->p_sys;
- access_t *p_access = p_sys->p_access;
int64_t i_first = 0;
int64_t i_start;
int64_t i_date = mdate();
int i_read;
+ int i_buffered = tk->i_end - tk->i_start;
- if( s->b_die || tk->i_end >= STREAM_CACHE_PREBUFFER_SIZE )
+ if( s->b_die || i_buffered >= STREAM_CACHE_PREBUFFER_SIZE )
{
int64_t i_byterate;
/* Update stat */
- p_sys->stat.i_bytes = tk->i_end - tk->i_start;
+ p_sys->stat.i_bytes = i_buffered;
p_sys->stat.i_read_time = i_date - i_start;
i_byterate = ( INT64_C(1000000) * p_sys->stat.i_bytes ) /
(p_sys->stat.i_read_time+1);
}
/* */
- i_read = STREAM_CACHE_TRACK_SIZE - tk->i_end;
+ i_read = STREAM_CACHE_TRACK_SIZE - i_buffered;
i_read = __MIN( p_sys->stream.i_read_size, i_read );
- i_read = AReadStream( s, &tk->p_buffer[tk->i_end], i_read );
+ i_read = AReadStream( s, &tk->p_buffer[i_buffered], i_read );
if( i_read < 0 )
continue;
else if( i_read == 0 )
}
/* FIXME that's UGLY */
- input_thread_t *p_input;
- p_input = (input_thread_t *)vlc_object_find( s, VLC_OBJECT_INPUT, FIND_PARENT );
+ input_thread_t *p_input = s->p_input;
if( p_input != NULL)
{
var_Create( p_input, "subsdec-encoding", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
var_SetString( p_input, "subsdec-encoding", "UTF-8" );
- vlc_object_release( p_input );
}
}
}
if( psz_eol )
{
i_data = (psz_eol - (char *)p_data) + 1;
- p_line = realloc( p_line, i_line + i_data + s->p_text->i_char_width ); /* add \0 */
+ p_line = realloc_or_free( p_line,
+ i_line + i_data + s->p_text->i_char_width ); /* add \0 */
if( !p_line )
goto error;
i_data = stream_Read( s, &p_line[i_line], i_data );
}
/* Read data (+1 for easy \0 append) */
- p_line = realloc( p_line, i_line + STREAM_PROBE_LINE + s->p_text->i_char_width );
+ p_line = realloc_or_free( p_line,
+ i_line + STREAM_PROBE_LINE + s->p_text->i_char_width );
if( !p_line )
goto error;
i_data = stream_Read( s, &p_line[i_line], STREAM_PROBE_LINE );
int i_total = 0;
if( s->p_parent && s->p_parent->p_parent &&
- s->p_parent->p_parent->i_object_type == VLC_OBJECT_INPUT )
+ vlc_internals( s->p_parent->p_parent )->i_object_type == VLC_OBJECT_INPUT )
p_input = (input_thread_t *)s->p_parent->p_parent;
if( !p_sys->i_list )
msg_Dbg( s, "opening input `%s'", psz_name );
- p_list_access = access_New( s, p_access->psz_access, "", psz_name );
+ p_list_access = access_New( s, s->p_input, p_access->psz_access, "", psz_name );
if( !p_list_access ) return 0;
int i_total = 0;
if( s->p_parent && s->p_parent->p_parent &&
- s->p_parent->p_parent->i_object_type == VLC_OBJECT_INPUT )
+ vlc_internals( s->p_parent->p_parent )->i_object_type == VLC_OBJECT_INPUT )
p_input = (input_thread_t *)s->p_parent->p_parent;
if( !p_sys->i_list )
msg_Dbg( s, "opening input `%s'", psz_name );
- p_list_access = access_New( s, p_access->psz_access, "", psz_name );
+ p_list_access = access_New( s, s->p_input, p_access->psz_access, "", psz_name );
if( !p_list_access ) return 0;
if( i != p_sys->i_list_index && i != 0 )
{
p_list_access =
- access_New( s, p_access->psz_access, "", psz_name );
+ access_New( s, s->p_input, p_access->psz_access, "", psz_name );
}
else if( i != p_sys->i_list_index )
{
projects / vlc / blobdiff