mirrors/recycled-ni-libstb-hal
1
0
Fork 0
mirror of https://github.com/tuxbox-fork-migrations/recycled-ni-libstb-hal.git synced 2025-08-26 15:02:43 +02:00
Code Issues Packages Projects Releases Wiki Activity
Files
fa45cac121b9fe01207d290c69c17713b1d392b8
recycled-ni-libstb-hal/libeplayer3/output/writer/vc1.c
martii fa45cac121 libeplayer3: get rid of compiler warnings 
Origin commit data
------------------
Branch: master
Commit: 9d4502b7fe
Author: martii <m4rtii@gmx.de>
Date: 2013-06-10 (Mon, 10 Jun 2013)


------------------
No further description and justification available within origin commit message!

------------------
This commit was generated by Migit
2013-06-10 15:06:00 +02:00

295 lines
9.0 KiB
C
Raw Blame History

/*
* linuxdvb output/writer handling.
*
* konfetti 2010 based on linuxdvb.c code from libeplayer2
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* ***************************** */
/* 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 <sys/uio.h>
#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
#include <memory.h>
#include <asm/types.h>
#include <pthread.h>
#include <errno.h>
#include "common.h"
#include "output.h"
#include "debug.h"
#include "stm_ioctls.h"
#include "misc.h"
#include "pes.h"
#include "writer.h"
/* ***************************** */
/* Makros/Constants */
/* ***************************** */
#define WMV3_PRIVATE_DATA_LENGTH 4
#define METADATA_STRUCT_A_START 12
#define METADATA_STRUCT_B_START 24
#define METADATA_STRUCT_B_FRAMERATE_START 32
#define METADATA_STRUCT_C_START 8
#define VC1_SEQUENCE_LAYER_METADATA_START_CODE 0x80
#define VC1_FRAME_START_CODE 0x0d
#define VC1_DEBUG
#ifdef VC1_DEBUG
static short debug_level = 0;
#define vc1_printf(level, fmt, x...) do { \
if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define vc1_printf(level, fmt, x...)
#endif
#ifndef VC1_SILENT
#define vc1_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define vc1_err(fmt, x...)
#endif
/* ***************************** */
/* Types */
/* ***************************** */
static const unsigned char SequenceLayerStartCode[] = {0x00, 0x00, 0x01, VC1_SEQUENCE_LAYER_METADATA_START_CODE};
static const unsigned char Metadata[] =
{
0x00, 0x00, 0x00, 0xc5,
0x04, 0x00, 0x00, 0x00,
0xc0, 0x00, 0x00, 0x00, /* Struct C set for for advanced profile*/
0x00, 0x00, 0x00, 0x00, /* Struct A */
0x00, 0x00, 0x00, 0x00,
0x0c, 0x00, 0x00, 0x00,
0x60, 0x00, 0x00, 0x00, /* Struct B */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
/* ***************************** */
/* Varaibles */
/* ***************************** */
static int initialHeader = 1;
static unsigned char FrameHeaderSeen = 0;
/* ***************************** */
/* Prototypes */
/* ***************************** */
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static int reset()
{
initialHeader = 1;
FrameHeaderSeen = 0;
return 0;
}
static int writeData(void* _call)
{
WriterAVCallData_t* call = (WriterAVCallData_t*) _call;
int len = 0;
vc1_printf(10, "\n");
if (call == NULL) {
vc1_err("call data is NULL...\n");
return 0;
}
vc1_printf(10, "VideoPts %lld\n", call->Pts);
vc1_printf(10, "Got Private Size %d\n", call->private_size);
if ((call->data == NULL) || (call->len <= 0)) {
vc1_err("parsing NULL Data. ignoring...\n");
return 0;
}
if (call->fd < 0) {
vc1_err("file pointer < 0. ignoring ...\n");
return 0;
}
if (initialHeader) {
unsigned char PesPacket[PES_MIN_HEADER_SIZE+128];
unsigned char* PesPtr;
unsigned int MetadataLength;
unsigned int crazyFramerate = 0;
vc1_printf(10, "Framerate: %u\n", call->FrameRate);
vc1_printf(10, "biWidth: %d\n", call->Width);
vc1_printf(10, "biHeight: %d\n", call->Height);
crazyFramerate = ((10000000.0 / call->FrameRate) * 1000.0);
vc1_printf(10, "crazyFramerate: %u\n", crazyFramerate);
{
PesPtr = &PesPacket[PES_MIN_HEADER_SIZE];
memcpy (PesPtr, SequenceLayerStartCode, sizeof(SequenceLayerStartCode));
PesPtr += sizeof(SequenceLayerStartCode);
memcpy (PesPtr, Metadata, sizeof(Metadata));
PesPtr += METADATA_STRUCT_C_START;
//
PesPtr += WMV3_PRIVATE_DATA_LENGTH;
/* Metadata Header Struct A */
*PesPtr++ = (call->Height >> 0) & 0xff;
*PesPtr++ = (call->Height >> 8) & 0xff;
*PesPtr++ = (call->Height >> 16) & 0xff;
*PesPtr++ = call->Height >> 24;
*PesPtr++ = (call->Width >> 0) & 0xff;
*PesPtr++ = (call->Width >> 8) & 0xff;
*PesPtr++ = (call->Width >> 16) & 0xff;
*PesPtr++ = call->Width >> 24;
PesPtr += 12; /* Skip flag word and Struct B first 8 bytes */
*PesPtr++ = (crazyFramerate >> 0) & 0xff;
*PesPtr++ = (crazyFramerate >> 8) & 0xff;
*PesPtr++ = (crazyFramerate >> 16) & 0xff;
*PesPtr++ = crazyFramerate >> 24;
MetadataLength = PesPtr - &PesPacket[PES_MIN_HEADER_SIZE];
int HeaderLength = InsertPesHeader (PesPacket, MetadataLength, VC1_VIDEO_PES_START_CODE, INVALID_PTS_VALUE, 0);
len = write(call->fd, PesPacket, HeaderLength + MetadataLength);
}
{
unsigned int i;
/* For VC1 the codec private data is a standard vc1 sequence header so we just copy it to the output */
memcpy (&PesPacket[PES_MIN_HEADER_SIZE], call->private_data, call->private_size);
vc1_printf(10, "Private Data:\n");
for (i = 0; i < call->private_size; i++)
vc1_printf(10, "%02x ", PesPacket[PES_MIN_HEADER_SIZE+i]);
vc1_printf(10, "\n");
int HeaderLength = InsertPesHeader (PesPacket, call->private_size, VC1_VIDEO_PES_START_CODE, INVALID_PTS_VALUE, 0);
len = write(call->fd, PesPacket, call->private_size + HeaderLength);
}
initialHeader = 0;
}
if(call->len > 0 && call->data) {
unsigned int Position = 0;
unsigned char insertSampleHeader = 1;
while(Position < call->len) {
int PacketLength = (call->len - Position) <= MAX_PES_PACKET_SIZE ?
(call->len - Position) : MAX_PES_PACKET_SIZE;
int Remaining = call->len - Position - PacketLength;
vc1_printf(20, "PacketLength=%d, Remaining=%d, Position=%d\n", PacketLength, Remaining, Position);
unsigned char PesHeader[PES_MAX_HEADER_SIZE];
memset (PesHeader, '0', PES_MAX_HEADER_SIZE);
int HeaderLength = InsertPesHeader (PesHeader, PacketLength, VC1_VIDEO_PES_START_CODE, call->Pts, 0);
if(insertSampleHeader) {
const unsigned char Vc1FrameStartCode[] = {0, 0, 1, VC1_FRAME_START_CODE};
/*
vc1_printf(10, "Data Start: {00 00 01 0d} - ");
int i;
for (i = 0; i < 4; i++) vc1_printf(10, "%02x ", call->data[i]);
vc1_printf(10, "\n");
*/
if (!FrameHeaderSeen && (call->len > 3) && (memcmp (call->data, Vc1FrameStartCode, 4) == 0))
FrameHeaderSeen = 1;
if (!FrameHeaderSeen)
{
memcpy (&PesHeader[HeaderLength], Vc1FrameStartCode, sizeof(Vc1FrameStartCode));
HeaderLength += sizeof(Vc1FrameStartCode);
}
insertSampleHeader = 0;
}
struct iovec iov[2];
iov[0].iov_base = PesHeader;
iov[0].iov_len = HeaderLength;
iov[1].iov_base = call->data + Position;
iov[1].iov_len = PacketLength;
ssize_t l = writev(call->fd, iov, 2);
if (l < 0) {
len = l;
break;
}
len += l;
Position += PacketLength;
call->Pts = INVALID_PTS_VALUE;
}
}
vc1_printf(10, "< %d\n", len);
return len;
}
/* ***************************** */
/* Writer Definition */
/* ***************************** */
static WriterCaps_t caps = {
"vc1",
eVideo,
"V_VC1",
VIDEO_ENCODING_VC1
};
struct Writer_s WriterVideoVC1 = {
&reset,
&writeData,
NULL,
&caps
};
Reference in New Issue View Git Blame Copy Permalink