mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
7b18d94cb3
Patch by Josh Allmann, joshua dot allmann at gmail Originally committed as revision 24797 to svn://svn.ffmpeg.org/ffmpeg/trunk
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/*
|
|
* RTP VP8 Packetizer
|
|
* Copyright (c) 2010 Josh Allmann
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "rtpenc.h"
|
|
|
|
/* Based on a draft spec for VP8 RTP.
|
|
* ( http://www.webmproject.org/code/specs/rtp/ ) */
|
|
void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buf, int size)
|
|
{
|
|
RTPMuxContext *s = s1->priv_data;
|
|
int len, max_packet_size;
|
|
|
|
s->buf_ptr = s->buf;
|
|
s->timestamp = s->cur_timestamp;
|
|
max_packet_size = s->max_payload_size - 1; // minus one for header byte
|
|
|
|
*s->buf_ptr++ = 1; // 0b1 indicates start of frame
|
|
while (size > 0) {
|
|
len = FFMIN(size, max_packet_size);
|
|
|
|
memcpy(s->buf_ptr, buf, len);
|
|
ff_rtp_send_data(s1, s->buf, len+1, size == len); // marker bit is last packet in frame
|
|
|
|
size -= len;
|
|
buf += len;
|
|
s->buf_ptr = s->buf;
|
|
*s->buf_ptr++ = 0; // payload descriptor
|
|
}
|
|
}
|