mirror of
https://github.com/tuxbox-neutrino/libstb-hal.git
synced 2025-08-27 15:33:00 +02:00
176 lines
4.1 KiB
C++
176 lines
4.1 KiB
C++
/*
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* linuxdvb output/writer handling.
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*
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* crow 2010
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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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/* ***************************** */
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/* Includes */
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/* ***************************** */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <linux/dvb/video.h>
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#include <linux/dvb/audio.h>
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#include <linux/dvb/stm_ioctls.h>
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#include <memory.h>
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#include <asm/types.h>
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#include <pthread.h>
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#include <errno.h>
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#include <sys/uio.h>
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#include "common.h"
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#include "output.h"
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#include "debug.h"
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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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/* ***************************** */
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/* Makros/Constants */
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/* ***************************** */
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#define H263_DEBUG
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#ifdef H263_DEBUG
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static short debug_level = 0;
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static const char *FILENAME = "h263.c";
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#define h263_printf(level, fmt, x...) do { \
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if (debug_level >= level) printf("[%s:%s] " fmt, FILENAME, __FUNCTION__, ## x); } while (0)
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#else
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#define h263_printf(level, fmt, x...)
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#endif
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#ifndef H263_SILENT
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#define h263_err(fmt, x...) do { printf("[%s:%s] " fmt, FILENAME, __FUNCTION__, ## x); } while (0)
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#else
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#define h263_err(fmt, x...)
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#endif
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/* ***************************** */
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/* Types */
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/* ***************************** */
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/* ***************************** */
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/* Varaibles */
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/* ***************************** */
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/* ***************************** */
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/* Prototypes */
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/* ***************************** */
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/* ***************************** */
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/* MISC Functions */
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/* ***************************** */
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static int reset()
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{
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return 0;
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}
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static int writeData(WriterAVCallData_t *call)
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{
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unsigned char PesHeader[PES_MAX_HEADER_SIZE];
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int len = 0;
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h263_printf(10, "\n");
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if (call == NULL) {
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h263_err("call data is NULL...\n");
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return 0;
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}
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h263_printf(10, "VideoPts %lld\n", call->Pts);
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if ((call->data == NULL) || (call->len <= 0)) {
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h263_err("NULL Data. ignoring...\n");
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return 0;
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}
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if (call->fd < 0) {
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h263_err("file pointer < 0. ignoring ...\n");
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return 0;
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}
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int HeaderLength =
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InsertPesHeader(PesHeader, call->len, H263_VIDEO_PES_START_CODE,
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call->Pts, 0);
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int PrivateHeaderLength =
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InsertVideoPrivateDataHeader(&PesHeader[HeaderLength], call->len);
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int PesLength =
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PesHeader[PES_LENGTH_BYTE_0] +
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(PesHeader[PES_LENGTH_BYTE_1] << 8) + PrivateHeaderLength;
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PesHeader[PES_LENGTH_BYTE_0] = PesLength & 0xff;
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PesHeader[PES_LENGTH_BYTE_1] = (PesLength >> 8) & 0xff;
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PesHeader[PES_HEADER_DATA_LENGTH_BYTE] += PrivateHeaderLength;
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PesHeader[PES_FLAGS_BYTE] |= PES_EXTENSION_DATA_PRESENT;
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HeaderLength += PrivateHeaderLength;
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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 = HeaderLength;
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iov[1].iov_base = call->data;
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iov[1].iov_len = call->len;
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len = writev(call->fd, iov, 2);
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h263_printf(10, "< len %d\n", len);
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return len;
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}
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/* ***************************** */
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/* Writer Definition */
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/* ***************************** */
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static WriterCaps_t caps_h263 = {
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"h263",
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eVideo,
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"V_H263",
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VIDEO_ENCODING_H263
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};
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struct Writer_s WriterVideoH263 = {
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&reset,
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&writeData,
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NULL,
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&caps_h263
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};
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static WriterCaps_t caps_flv = {
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"FLV",
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eVideo,
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"V_FLV",
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VIDEO_ENCODING_FLV1
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};
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struct Writer_s WriterVideoFLV = {
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&reset,
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&writeData,
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NULL,
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&caps_flv
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};
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