3 * Copyright (c) 2010 Josh Allmann
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 /* Based on a draft spec for VP8 RTP.
25 * ( http://www.webmproject.org/code/specs/rtp/ ) */
26 void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buf, int size)
28 RTPMuxContext *s = s1->priv_data;
29 int len, max_packet_size;
32 s->timestamp = s->cur_timestamp;
33 max_packet_size = s->max_payload_size - 1; // minus one for header byte
35 *s->buf_ptr++ = 1; // 0b1 indicates start of frame
37 len = FFMIN(size, max_packet_size);
39 memcpy(s->buf_ptr, buf, len);
40 ff_rtp_send_data(s1, s->buf, len+1, size == len); // marker bit is last packet in frame
45 *s->buf_ptr++ = 0; // payload descriptor