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libeplayer3: implement Writer class

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This commit is contained in:
martii
2014-04-06 11:35:17 +02:00
parent 25948637ab
commit d97d2a84d8
26 changed files with 849 additions and 2357 deletions
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156
libeplayer3/output/writer/mpeg2.cpp
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@@ -19,146 +19,58 @@
*
*/
/* ***************************** */
/* Includes */
/* ***************************** */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <stdint.h>
#include <string.h>
#include <sys/uio.h>
#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
#include <linux/dvb/stm_ioctls.h>
#include <memory.h>
#include <asm/types.h>
#include <pthread.h>
#include <errno.h>
#include "common.h"
#include "output.h"
#include <algorithm>
#include "debug.h"
#include "misc.h"
#include "pes.h"
#include "writer.h"
/* ***************************** */
/* Makros/Constants */
/* ***************************** */
#define MPEG2_DEBUG
#ifdef MPEG2_DEBUG
static short debug_level = 0;
#define mpeg2_printf(level, fmt, x...) do { \
if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define mpeg2_printf(level, fmt, x...)
#endif
#ifndef MPEG2_SILENT
#define mpeg2_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define mpeg2_err(fmt, x...)
#endif
/* ***************************** */
/* Types */
/* ***************************** */
/* ***************************** */
/* Varaibles */
/* ***************************** */
/* ***************************** */
/* Prototypes */
/* ***************************** */
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static int reset()
class WriterMPEG2 : public Writer
{
return 0;
}
public:
bool Write(int fd, AVFormatContext *avfc, AVStream *stream, AVPacket *packet, int64_t &pts);
WriterMPEG2();
};
static int writeData(WriterAVCallData_t *call)
bool WriterMPEG2::Write(int fd, AVFormatContext * /* avfc */, AVStream * /* stream */, AVPacket *packet, int64_t &pts)
{
unsigned char PesHeader[PES_MAX_HEADER_SIZE];
int len = 0;
int Position = 0;
if (fd < 0 || !packet)
return false;
mpeg2_printf(10, "VideoPts %lld\n", call->Pts);
unsigned char PesHeader[PES_MAX_HEADER_SIZE];
if (call->fd < 0) {
mpeg2_err("file pointer < 0. ignoring ...\n");
return 0;
}
int64_t _pts = pts;
while (Position < call->packet->size) {
int PacketLength = (call->packet->size - Position) <= MAX_PES_PACKET_SIZE ?
(call->packet->size - Position) : MAX_PES_PACKET_SIZE;
for (int Position = 0; Position < packet->size; ) {
int PacketLength = std::min(packet->size - Position, MAX_PES_PACKET_SIZE);
struct iovec iov[2];
iov[0].iov_base = PesHeader;
iov[0].iov_len = InsertPesHeader(PesHeader, PacketLength, 0xe0, _pts, 0);
iov[1].iov_base = packet->data + Position;
iov[1].iov_len = PacketLength;
int Remaining = call->packet->size - Position - PacketLength;
mpeg2_printf(20, "PacketLength=%d, Remaining=%d, Position=%d\n",
PacketLength, Remaining, Position);
struct iovec iov[2];
iov[0].iov_base = PesHeader;
iov[0].iov_len =
InsertPesHeader(PesHeader, PacketLength, 0xe0, call->Pts, 0);
iov[1].iov_base = call->packet->data + Position;
iov[1].iov_len = PacketLength;
ssize_t l = writev(call->fd, iov, 2);
if (l < 0) {
len = l;
break;
ssize_t l = writev(fd, iov, 2);
if (l < 0) {
return false;
break;
}
Position += PacketLength;
_pts = INVALID_PTS_VALUE;
}
len += l;
Position += PacketLength;
call->Pts = INVALID_PTS_VALUE;
}
mpeg2_printf(10, "< len %d\n", len);
return len;
return true;
}
/* ***************************** */
/* Writer Definition */
/* ***************************** */
static WriterCaps_t caps = {
"mpeg2",
eVideo,
"V_MPEG2",
VIDEO_ENCODING_AUTO
};
WriterMPEG2::WriterMPEG2()
{
Register(this, AV_CODEC_ID_MPEG2TS, VIDEO_ENCODING_AUTO);
}
struct Writer_s WriterVideoMPEG2 = {
&reset,
&writeData,
&caps
};
static WriterCaps_t h264_caps = {
"mpges_h264",
eVideo,
"V_MPEG2/H264",
VIDEO_ENCODING_H264
};
struct Writer_s WriterVideoMPEGH264 = {
&reset,
&writeData,
&h264_caps
};
static WriterMPEG2 writer_mpeg2 __attribute__ ((init_priority (300)));