mirror of
https://github.com/tuxbox-neutrino/libstb-hal.git
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76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/*
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* linuxdvb output/writer handling.
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*
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* konfetti 2010 based on linuxdvb.c code from libeplayer2
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/uio.h>
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#include <errno.h>
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#include <algorithm>
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#include "misc.h"
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#include "pes.h"
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#include "writer.h"
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class WriterMPEG2 : public Writer
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{
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public:
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bool Write(int fd, AVFormatContext *avfc, AVStream *stream, AVPacket *packet, int64_t &pts);
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WriterMPEG2();
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};
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bool WriterMPEG2::Write(int fd, AVFormatContext * /* avfc */, AVStream * /* stream */, AVPacket *packet, int64_t &pts)
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{
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if (fd < 0 || !packet)
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return false;
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unsigned char PesHeader[PES_MAX_HEADER_SIZE];
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int64_t _pts = pts;
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for (int Position = 0; Position < packet->size; ) {
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int PacketLength = std::min(packet->size - Position, MAX_PES_PACKET_SIZE);
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struct iovec iov[2];
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iov[0].iov_base = PesHeader;
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iov[0].iov_len = InsertPesHeader(PesHeader, PacketLength, 0xe0, _pts, 0);
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iov[1].iov_base = packet->data + Position;
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iov[1].iov_len = PacketLength;
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ssize_t l = writev(fd, iov, 2);
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if (l < 0) {
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return false;
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break;
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}
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Position += PacketLength;
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_pts = INVALID_PTS_VALUE;
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}
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return true;
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}
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WriterMPEG2::WriterMPEG2()
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{
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Register(this, AV_CODEC_ID_MPEG2TS, VIDEO_ENCODING_AUTO);
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}
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static WriterMPEG2 writer_mpeg2 __attribute__ ((init_priority (300)));
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