diff options
Diffstat (limited to 'libavformat/rtpenc_vp8.c')
-rw-r--r-- | libavformat/rtpenc_vp8.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libavformat/rtpenc_vp8.c b/libavformat/rtpenc_vp8.c new file mode 100644 index 0000000000..e865514cef --- /dev/null +++ b/libavformat/rtpenc_vp8.c @@ -0,0 +1,47 @@ +/* + * 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 + } +} |