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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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123
libeplayer3/output/writer/dts.cpp
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@@ -19,97 +19,41 @@
*
*/
/* ***************************** */
/* 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 "debug.h"
#include "misc.h"
#include "pes.h"
#include "writer.h"
/* ***************************** */
/* Makros/Constants */
/* ***************************** */
#define PES_AUDIO_PRIVATE_HEADER_SIZE 16 // consider maximum private header size.
#define PES_AUDIO_HEADER_SIZE (32 + PES_AUDIO_PRIVATE_HEADER_SIZE)
#define PES_AUDIO_PACKET_SIZE 2028
#define SPDIF_AUDIO_PACKET_SIZE (1024 * sizeof(unsigned int) * 2) // stereo 32bit samples.
#define DTS_DEBUG
#ifdef DTS_DEBUG
static short debug_level = 0;
#define dts_printf(level, fmt, x...) do { \
if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define dts_printf(level, fmt, x...)
#endif
#ifndef DTS_SILENT
#define dts_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define dts_err(fmt, x...)
#endif
/* ***************************** */
/* Types */
/* ***************************** */
/* ***************************** */
/* Varaibles */
/* ***************************** */
/* ***************************** */
/* Prototypes */
/* ***************************** */
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static int reset()
class WriterDTS : public Writer
{
return 0;
}
public:
bool Write(int fd, AVFormatContext *avfc, AVStream *stream, AVPacket *packet, int64_t &pts);
WriterDTS();
};
static int writeData(WriterAVCallData_t *call)
bool WriterDTS::Write(int fd, AVFormatContext * /* avfc */, AVStream * /* stream */, AVPacket *packet, int64_t &pts)
{
if (fd < 0 || !packet)
return false;
unsigned char PesHeader[PES_AUDIO_HEADER_SIZE];
dts_printf(10, "AudioPts %lld\n", call->Pts);
if (call->fd < 0) {
dts_err("file pointer < 0. ignoring ...\n");
return 0;
}
// #define DO_BYTESWAP
#ifdef DO_BYTESWAP
unsigned char *Data = (unsigned char *) malloc(call->packet->size);
memcpy(Data, call->packet->data, call->packet->size);
unsigned char Data[packet->size];
memcpy(Data, packet->data, packet->size);
/* 16-bit byte swap all data before injecting it */
for (i = 0; i < call->packet->size; i += 2) {
for (i = 0; i < packet->size; i += 2) {
unsigned char Tmp = Data[i];
Data[i] = Data[i + 1];
Data[i + 1] = Tmp;
@@ -119,41 +63,20 @@ static int writeData(WriterAVCallData_t *call)
struct iovec iov[2];
iov[0].iov_base = PesHeader;
iov[0].iov_len =
InsertPesHeader(PesHeader, call->packet->size,
MPEG_AUDIO_PES_START_CODE
/*PRIVATE_STREAM_1_PES_START_CODE */ , call->Pts,
0);
iov[0].iov_len = InsertPesHeader(PesHeader, packet->size, MPEG_AUDIO_PES_START_CODE /*PRIVATE_STREAM_1_PES_START_CODE */ , pts, 0);
#ifdef DO_BYTESPWAP
iov[1].iov_base = Data;
#else
iov[1].iov_base = call->packet->data;
iov[1].iov_base = packet->data;
#endif
iov[1].iov_len = call->packet->size;
iov[1].iov_len = packet->size;
int len = writev(call->fd, iov, 2);
#ifdef DO_BYTESWAP
free(Data);
#endif
dts_printf(10, "< len %d\n", len);
return len;
return writev(fd, iov, 2) > -1;
}
/* ***************************** */
/* Writer Definition */
/* ***************************** */
WriterDTS::WriterDTS()
{
Register(this, AV_CODEC_ID_DTS, AUDIO_ENCODING_DTS);
}
static WriterCaps_t caps = {
"dts",
eAudio,
"A_DTS",
AUDIO_ENCODING_DTS
};
struct Writer_s WriterAudioDTS = {
&reset,
&writeData,
&caps
};
static WriterDTS writer_dts __attribute__ ((init_priority (300)));