mirror of
https://github.com/game-stop/veejay.git
synced 2025-12-20 06:40:01 +01:00
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/* vjnet - low level network I/O for VeeJay
|
|
*
|
|
* (C) 2005-2007 Niels Elburg <nelburg@looze.net>
|
|
*
|
|
*
|
|
* 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
|