diff options
author | Luca Abeni <lucabe72@email.it> | 2007-08-24 07:13:34 +0000 |
---|---|---|
committer | Luca Abeni <lucabe72@email.it> | 2007-08-24 07:13:34 +0000 |
commit | 98561024ac791d9aa5caee0700f9cb55188fa266 (patch) | |
tree | 6cb7883d9db8397d9bde952dab6df360f472b9a8 /libavformat/rtp_mpv.c | |
parent | b75c8d16e7d81010fe9c01c8b24d6d5da1a35a7a (diff) | |
download | ffmpeg-streaming-98561024ac791d9aa5caee0700f9cb55188fa266.zip ffmpeg-streaming-98561024ac791d9aa5caee0700f9cb55188fa266.tar.gz |
Move the RTP packetization code for MPEG12 video in its own file (rtp_mpv.c)
Originally committed as revision 10201 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/rtp_mpv.c')
-rw-r--r-- | libavformat/rtp_mpv.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libavformat/rtp_mpv.c b/libavformat/rtp_mpv.c new file mode 100644 index 0000000..0db6663 --- /dev/null +++ b/libavformat/rtp_mpv.c @@ -0,0 +1,72 @@ +/* + * RTP packetization for MPEG video + * Copyright (c) 2002 Fabrice Bellard. + * + * 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 "avformat.h" +#include "rtp_internal.h" + +/* NOTE: a single frame must be passed with sequence header if + needed. XXX: use slices. */ +void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size) +{ + RTPDemuxContext *s = s1->priv_data; + AVStream *st = s1->streams[0]; + int len, h, max_packet_size; + uint8_t *q; + + max_packet_size = s->max_payload_size; + + while (size > 0) { + /* XXX: more correct headers */ + h = 0; + if (st->codec->sub_id == 2) + h |= 1 << 26; /* mpeg 2 indicator */ + q = s->buf; + *q++ = h >> 24; + *q++ = h >> 16; + *q++ = h >> 8; + *q++ = h; + + if (st->codec->sub_id == 2) { + h = 0; + *q++ = h >> 24; + *q++ = h >> 16; + *q++ = h >> 8; + *q++ = h; + } + + len = max_packet_size - (q - s->buf); + if (len > size) + len = size; + + memcpy(q, buf1, len); + q += len; + + /* 90 KHz time stamp */ + s->timestamp = s->base_timestamp + + av_rescale((int64_t)s->cur_timestamp * st->codec->time_base.num, 90000, st->codec->time_base.den); //FIXME pass timestamps + ff_rtp_send_data(s1, s->buf, q - s->buf, (len == size)); + + buf1 += len; + size -= len; + } + s->cur_timestamp++; +} + + |