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Initial checkin of veejay 1.4

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git-svn-id: svn://code.dyne.org/veejay/trunk@1172 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2008-11-10 20:16:24 +00:00
parent d81258c54c
commit d8e6f98d53
793 changed files with 244409 additions and 0 deletions
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102
veejay-current/veejay-server/libvjnet/packet.c Normal file
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/* vjnet - low level network I/O for VeeJay
*
* (C) 2005 Niels Elburg <nwelburg@gmail.com>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <libvjmsg/vj-msg.h>
#include <libvjmem/vjmem.h>
#include "packet.h"
#ifdef STRICT_CHECKING
#include <assert.h>
#endif
void packet_dump_header( packet_header_t *h)
{
#ifdef STRICT_CHECKING
assert( h != NULL );
#endif
veejay_msg(VEEJAY_MSG_DEBUG, "Flag: %x, Sequence Num %d/%d, Timestamp %x Timeout : %ld",
h->flag, h->seq_num,h->length, h->usec,h->timeout );
}
void packet_dump_info( frame_info_t *i )
{
veejay_msg(VEEJAY_MSG_DEBUG, "Frame: %dx%d, fmt %d, data_len=%d",
i->width,i->height,i->fmt, i->len );
}
packet_header_t packet_construct_header(uint8_t flag)
{
struct timeval tv;
gettimeofday(&tv, NULL);
packet_header_t header;
header.flag = flag;
header.seq_num = 0; // not set
header.usec = tv.tv_usec;
header.timeout = 0;
header.length = 0;
return header;
}
packet_header_t packet_get_header(const void *data)
{
packet_header_t h,tmp;
veejay_memcpy( &tmp, data, sizeof(packet_header_t) );
h.flag = tmp.flag;
h.seq_num = tmp.seq_num;
h.length = tmp.length;
h.usec = tmp.usec;
h.timeout = tmp.timeout;
return h;
}
int packet_get_data(packet_header_t *h, const void *data, uint8_t *plane )
{
size_t len = sizeof(packet_header_t);
len += sizeof( frame_info_t );
veejay_memcpy( plane , data + len, CHUNK_SIZE );
return 1;
}
int packet_get_info(frame_info_t *i, const void *data )
{
size_t len = sizeof(packet_header_t);
veejay_memcpy(i, data + sizeof(packet_header_t), sizeof(frame_info_t));
return 1;
}
int packet_put_padded_data(packet_header_t *h, frame_info_t *i , void *payload, const uint8_t *plane, int bytes )
{
size_t len = sizeof( packet_header_t );
veejay_memcpy( payload, h , len );
veejay_memcpy( payload + len, i , sizeof( frame_info_t ));
len += sizeof(frame_info_t );
veejay_memcpy( payload + len, plane, bytes );
return (len + bytes);
}
int packet_put_data(packet_header_t *h, frame_info_t *i , void *payload, const uint8_t *plane )
{
size_t len = sizeof( packet_header_t );
veejay_memcpy( payload, h , len );
veejay_memcpy( payload + len, i , sizeof( frame_info_t ));
len += sizeof(frame_info_t );
veejay_memcpy( payload + len, plane, CHUNK_SIZE );
return 1;
}