ef9fe5bedd
* qatar/master: mingw/cygwin: Stop adding -fno-common to gcc CFLAGS Restructure av_log_missing_feature message rtp: Support packetization/depacketization of opus file: Set the return value type for lseek to int64_t. ppc: fix Altivec build with old compilers build: add LTO support for PGI compiler build: add -Mdse to PGI optimisation flags rtpenc_vp8: Update the packetizer to the latest spec version rtpdec_vp8: Make the depacketizer implement the latest spec draft doc: allow building with old texi2html versions avutil: skip old_pix_fmts.h since it is just a list Conflicts: libavcodec/aacdec.c libavcodec/h264.c libavcodec/ppc/fmtconvert_altivec.c libavcodec/utils.c libavformat/file.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/*
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* RTP VP8 Packetizer
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* Copyright (c) 2010 Josh Allmann
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "rtpenc.h"
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/* Based on a draft spec for VP8 RTP.
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* ( http://tools.ietf.org/html/draft-ietf-payload-vp8-05 ) */
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void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buf, int size)
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{
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RTPMuxContext *s = s1->priv_data;
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int len, max_packet_size;
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s->buf_ptr = s->buf;
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s->timestamp = s->cur_timestamp;
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max_packet_size = s->max_payload_size - 1; // minus one for header byte
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// no extended control bits, reference frame, start of partition,
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// partition id 0
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*s->buf_ptr++ = 0x10;
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while (size > 0) {
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len = FFMIN(size, max_packet_size);
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memcpy(s->buf_ptr, buf, len);
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ff_rtp_send_data(s1, s->buf, len+1, size == len); // marker bit is last packet in frame
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size -= len;
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buf += len;
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s->buf_ptr = s->buf;
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*s->buf_ptr++ = 0; // payload descriptor
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}
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}
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