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Commit 8d305dc5 authored by Laurent Aimar's avatar Laurent Aimar
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Converted mms access to block mode.

parent 31346a79
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Showing with 107 additions and 116 deletions
modules/access/mms/mmsh.c
View file @ 8d305dc5
......@@ -52,7 +52,7 @@
int MMSHOpen ( access_t * );
void MMSHClose ( access_t * );
static ssize_t Read( access_t *, uint8_t *, size_t );
static block_t *Block( access_t *p_access );
static ssize_t ReadRedirect( access_t *, uint8_t *, size_t );
static int Seek( access_t *, int64_t );
static int Control( access_t *, int, va_list );
......@@ -79,7 +79,7 @@ int MMSHOpen( access_t *p_access )
char *psz_location = NULL;
char *psz_proxy;
STANDARD_READ_ACCESS_INIT
STANDARD_BLOCK_ACCESS_INIT
p_sys->i_proto= MMS_PROTO_HTTP;
p_sys->fd = -1;
......@@ -183,6 +183,7 @@ int MMSHOpen( access_t *p_access )
free( psz_location );
p_access->pf_block = NULL;
p_access->pf_read = ReadRedirect;
return VLC_SUCCESS;
}
......@@ -257,7 +258,7 @@ static int Control( access_t *p_access, int i_query, va_list args )
/* */
case ACCESS_GET_MTU:
pi_int = (int*)va_arg( args, int * );
*pi_int = 3 * p_sys->asfh.i_min_data_packet_size;
*pi_int = 0;
break;
case ACCESS_GET_PTS_DELAY:
......@@ -336,88 +337,85 @@ static int Seek( access_t *p_access, int64_t i_pos )
}
/*****************************************************************************
* Read:
* ReadRedirect:
*****************************************************************************/
static ssize_t ReadRedirect( access_t *p_access, uint8_t *p, size_t i_len )
{
VLC_UNUSED(p_access); VLC_UNUSED(p); VLC_UNUSED(i_len);
return 0;
}
/*****************************************************************************
* Read:
* Block:
*****************************************************************************/
static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
static block_t *Block( access_t *p_access )
{
access_sys_t *p_sys = p_access->p_sys;
size_t i_copy;
size_t i_data = 0;
const unsigned i_packet_min = p_sys->asfh.i_min_data_packet_size;
if( p_access->info.b_eof )
return 0;
if( p_access->info.i_pos < p_sys->i_start + p_sys->i_header )
{
const size_t i_offset = p_access->info.i_pos - p_sys->i_start;
const size_t i_copy = p_sys->i_header - i_offset;
block_t *p_block = block_New( p_access, i_copy );
if( !p_block )
return NULL;
while( i_data < (size_t) i_len )
memcpy( p_block->p_buffer, &p_sys->p_header[i_offset], i_copy );
p_access->info.i_pos += i_copy;
return p_block;
}
else if( p_sys->i_packet_length > 0 &&
p_sys->i_packet_used < __MAX( p_sys->i_packet_length, i_packet_min ) )
{
if( p_access->info.i_pos < (p_sys->i_start + p_sys->i_header) )
{
int i_offset = p_access->info.i_pos - p_sys->i_start;
i_copy = __MIN( p_sys->i_header - i_offset,
(int)((size_t)i_len - i_data) );
memcpy( &p_buffer[i_data], &p_sys->p_header[i_offset], i_copy );
size_t i_copy = 0;
size_t i_padding = 0;
i_data += i_copy;
p_access->info.i_pos += i_copy;
}
else if( p_sys->i_packet_used < p_sys->i_packet_length )
{
i_copy = __MIN( p_sys->i_packet_length - p_sys->i_packet_used,
i_len - i_data );
memcpy( &p_buffer[i_data],
&p_sys->p_packet[p_sys->i_packet_used],
i_copy );
i_data += i_copy;
p_sys->i_packet_used += i_copy;
p_access->info.i_pos += i_copy;
}
else if( (p_sys->i_packet_length > 0) &&
((int)p_sys->i_packet_used < p_sys->asfh.i_min_data_packet_size) )
{
i_copy = __MIN( p_sys->asfh.i_min_data_packet_size - p_sys->i_packet_used,
i_len - i_data );
memset( &p_buffer[i_data], 0, i_copy );
if( p_sys->i_packet_used < p_sys->i_packet_length )
i_copy = p_sys->i_packet_length - p_sys->i_packet_used;
if( __MAX( p_sys->i_packet_used, p_sys->i_packet_length ) < i_packet_min )
i_padding = i_packet_min - __MAX( p_sys->i_packet_used, p_sys->i_packet_length );
block_t *p_block = block_New( p_access, i_copy + i_padding );
if( !p_block )
return NULL;
if( i_copy > 0 )
memcpy( &p_block->p_buffer[0], &p_sys->p_packet[p_sys->i_packet_used], i_copy );
if( i_padding > 0 )
memset( &p_block->p_buffer[i_copy], 0, i_padding );
p_sys->i_packet_used += i_copy + i_padding;
p_access->info.i_pos += i_copy + i_padding;
return p_block;
i_data += i_copy;
p_sys->i_packet_used += i_copy;
p_access->info.i_pos += i_copy;
}
chunk_t ck;
if( GetPacket( p_access, &ck ) )
{
int i_ret = -1;
if( p_sys->b_broadcast )
{
if( (ck.i_type == 0x4524) && (ck.i_sequence != 0) )
i_ret = Restart( p_access );
else if( ck.i_type == 0x4324 )
i_ret = Reset( p_access );
}
else
if( i_ret )
{
chunk_t ck;
if( GetPacket( p_access, &ck ) )
{
int i_ret = -1;
if( p_sys->b_broadcast )
{
if( (ck.i_type == 0x4524) && (ck.i_sequence != 0) )
i_ret = Restart( p_access );
else if( ck.i_type == 0x4324 )
i_ret = Reset( p_access );
}
if( i_ret )
{
p_access->info.b_eof = true;
return 0;
}
}
if( ck.i_type != 0x4424 )
{
p_sys->i_packet_used = 0;
p_sys->i_packet_length = 0;
}
p_access->info.b_eof = true;
return 0;
}
}
if( ck.i_type != 0x4424 )
{
p_sys->i_packet_used = 0;
p_sys->i_packet_length = 0;
}
return( i_data );
return NULL;
}
/* */
......@@ -706,6 +704,9 @@ static int Describe( access_t *p_access, char **ppsz_location )
p_sys->asfh.i_data_packets_count,
p_sys->asfh.i_min_data_packet_size );
if( p_sys->asfh.i_min_data_packet_size <= 0 )
goto error;
asf_StreamSelect( &p_sys->asfh,
var_CreateGetInteger( p_access, "mms-maxbitrate" ),
var_CreateGetInteger( p_access, "mms-all" ),
......
modules/access/mms/mmstu.c
View file @ 8d305dc5
......@@ -76,7 +76,7 @@ int MMSTUOpen ( access_t * );
void MMSTUClose ( access_t * );
static ssize_t Read( access_t *, uint8_t *, size_t );
static block_t *Block( access_t * );
static int Seek( access_t *, int64_t );
static int Control( access_t *, int, va_list );
......@@ -102,16 +102,12 @@ int MMSTUOpen( access_t *p_access )
int i_status;
/* Set up p_access */
p_access->pf_read = Read;
p_access->pf_block = NULL;
access_InitFields( p_access );
p_access->pf_read = NULL;
p_access->pf_block = Block;
p_access->pf_control = Control;
p_access->pf_seek = Seek;
p_access->info.i_update = 0;
p_access->info.i_size = 0;
p_access->info.i_pos = 0;
p_access->info.b_eof = false;
p_access->info.i_title = 0;
p_access->info.i_seekpoint = 0;
p_access->p_sys = p_sys = calloc( 1, sizeof( access_sys_t ) );
if( !p_sys ) return VLC_ENOMEM;
......@@ -291,7 +287,7 @@ static int Control( access_t *p_access, int i_query, va_list args )
/* */
case ACCESS_GET_MTU:
pi_int = (int*)va_arg( args, int * );
*pi_int = 3 * p_sys->i_packet_length;
*pi_int = 0;
break;
case ACCESS_GET_PTS_DELAY:
......@@ -442,59 +438,53 @@ static int Seek( access_t * p_access, int64_t i_pos )
}
/*****************************************************************************
* Read:
* Block:
*****************************************************************************/
static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
static block_t *Block( access_t *p_access )
{
access_sys_t *p_sys = p_access->p_sys;
size_t i_data;
size_t i_copy;
if( p_access->info.b_eof )
return NULL;
if( p_access->info.i_pos < p_sys->i_header )
{
return 0;
}
const size_t i_copy = p_sys->i_header - p_access->info.i_pos;
i_data = 0;
block_t *p_block = block_New( p_access, i_copy );
if( !p_block )
return NULL;
/* *** now send data if needed *** */
while( i_data < i_len )
memcpy( p_block->p_buffer, &p_sys->p_header[p_access->info.i_pos], i_copy );
p_access->info.i_pos += i_copy;
return p_block;
}
else if( p_sys->p_media && p_sys->i_media_used < __MAX( p_sys->i_media, p_sys->i_packet_length ) )
{
if( p_access->info.i_pos < p_sys->i_header )
{
i_copy = __MIN( i_len, p_sys->i_header - p_access->info.i_pos );
memcpy( &p_buffer[i_data], &p_sys->p_header[p_access->info.i_pos], i_copy );
i_data += i_copy;
p_access->info.i_pos += i_copy;
}
else if( p_sys->i_media_used < p_sys->i_media )
{
i_copy = __MIN( i_len - i_data ,
p_sys->i_media - p_sys->i_media_used );
memcpy( &p_buffer[i_data], &p_sys->p_media[p_sys->i_media_used], i_copy );
i_data += i_copy;
p_sys->i_media_used += i_copy;
p_access->info.i_pos += i_copy;
}
else if( p_sys->p_media != NULL &&
p_sys->i_media_used < p_sys->i_packet_length )
{
i_copy = __MIN( i_len - i_data,
p_sys->i_packet_length - p_sys->i_media_used);
memset( &p_buffer[i_data], 0, i_copy );
size_t i_copy = 0;
size_t i_padding = 0;
i_data += i_copy;
p_sys->i_media_used += i_copy;
p_access->info.i_pos += i_copy;
}
else if( p_access->info.b_eof ||
mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA ) < 0 )
{
break;
}
if( p_sys->i_media_used < p_sys->i_media )
i_copy = p_sys->i_media - p_sys->i_media_used;
if( __MAX( p_sys->i_media, p_sys->i_media_used ) < p_sys->i_packet_length )
i_padding = p_sys->i_packet_length - __MAX( p_sys->i_media, p_sys->i_media_used );
block_t *p_block = block_New( p_access, i_copy + i_padding );
if( !p_block )
return NULL;
if( i_copy > 0 )
memcpy( &p_block->p_buffer[0], &p_sys->p_media[p_sys->i_media_used], i_copy );
if( i_padding > 0 )
memset( &p_block->p_buffer[i_copy], 0, i_padding );
p_sys->i_media_used += i_copy + i_padding;
p_access->info.i_pos += i_copy + i_padding;
return p_block;
}
return i_data;
mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA );
return NULL;
}
/****************************************************************************
......
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