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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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75
veejay-current/veejay-server/libvjnet/packet.h Normal file
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/* vjnet - low level network I/O for VeeJay
*
* (C) 2005-2007 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.
*/
#ifndef PACKET_H
#define PACKET_H
/*
Veejay - Video streaming over UDP (Multicast)
Veejay doesnt care about dropped packet. Dropped packet means drop frame.
Ignoring machine byte order. Fix it yourself
*/
#include <stdio.h>
#include <sys/time.h>
#include <stdint.h>
typedef struct
{
uint8_t flag;
uint8_t seq_num;
uint32_t usec;
uint32_t timeout;
uint8_t length;
} packet_header_t;
typedef struct
{
uint16_t width;
uint16_t height;
uint8_t fmt;
uint32_t len;
} frame_info_t;
#define PACKET_HEADER_LENGTH ( sizeof(packet_header_t) )
#define PACKET_APP_HEADER_LENGTH ( sizeof(frame_info_t) )
#define CHUNK_SIZE 2048
#define PACKET_PAYLOAD_SIZE (CHUNK_SIZE + PACKET_HEADER_LENGTH + PACKET_APP_HEADER_LENGTH )
void packet_dump_header( packet_header_t *h);
void packet_dump_info( frame_info_t * i );
packet_header_t packet_construct_header(uint8_t flag);
packet_header_t packet_get_header(const void *data);
int packet_get_data( packet_header_t *h, const void *data, uint8_t *plane);
int packet_put_data( packet_header_t *h, frame_info_t *i, void *payload, const uint8_t *plane );
int packet_put_padded_data( packet_header_t *h, frame_info_t *i, void *payload, const uint8_t *plane, int bytes );
int packet_get_info(frame_info_t *i, const void *data );
#endif