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fa45cac121b9fe01207d290c69c17713b1d392b8
recycled-ni-libstb-hal/libeplayer3/output/writer/wmv.c
martii fa45cac121 libeplayer3: get rid of compiler warnings 
Origin commit data
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Branch: master
Commit: 9d4502b7fe
Author: martii <m4rtii@gmx.de>
Date: 2013-06-10 (Mon, 10 Jun 2013)


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

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/*
* 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 WMV_DEBUG
#ifdef WMV_DEBUG
static short debug_level = 0;
#define wmv_printf(level, fmt, x...) do { \
if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define wmv_printf(level, fmt, x...)
#endif
#ifndef WMV_SILENT
#define wmv_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define wmv_err(fmt, x...)
#endif
/* ***************************** */
/* Types */
/* ***************************** */
typedef struct
{
unsigned char privateData[WMV3_PRIVATE_DATA_LENGTH];
unsigned int width;
unsigned int height;
unsigned int framerate;
} awmv_t;
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;
/* ***************************** */
/* Prototypes */
/* ***************************** */
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static int reset()
{
initialHeader = 1;
return 0;
}
static int writeData(void* _call)
{
WriterAVCallData_t* call = (WriterAVCallData_t*) _call;
awmv_t private_data;
int len = 0;
wmv_printf(10, "\n");
if (call == NULL) {
wmv_err("call data is NULL...\n");
return 0;
}
wmv_printf(10, "VideoPts %lld\n", call->Pts);
wmv_printf(10, "Got Private Size %d\n", call->private_size);
memcpy(private_data.privateData, call->private_data,
call->private_size>WMV3_PRIVATE_DATA_LENGTH?WMV3_PRIVATE_DATA_LENGTH:call->private_size);
private_data.width = call->Width;
private_data.height = call->Height;
private_data.framerate = call->FrameRate;
if ((call->data == NULL) || (call->len <= 0)) {
wmv_err("parsing NULL Data. ignoring...\n");
return 0;
}
if (call->fd < 0) {
wmv_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;
wmv_printf(10, "Framerate: %u\n", private_data.framerate);
wmv_printf(10, "biWidth: %d\n", private_data.width);
wmv_printf(10, "biHeight: %d\n", private_data.height);
crazyFramerate = ((10000000.0 / private_data.framerate) * 1000.0);
wmv_printf(10, "crazyFramerate: %u\n", crazyFramerate);
PesPtr = &PesPacket[PES_MIN_HEADER_SIZE];
memcpy (PesPtr, Metadata, sizeof(Metadata));
PesPtr += METADATA_STRUCT_C_START;
memcpy (PesPtr, private_data.privateData, WMV3_PRIVATE_DATA_LENGTH);
PesPtr += WMV3_PRIVATE_DATA_LENGTH;
/* Metadata Header Struct A */
*PesPtr++ = (private_data.height >> 0) & 0xff;
*PesPtr++ = (private_data.height >> 8) & 0xff;
*PesPtr++ = (private_data.height >> 16) & 0xff;
*PesPtr++ = private_data.height >> 24;
*PesPtr++ = (private_data.width >> 0) & 0xff;
*PesPtr++ = (private_data.width >> 8) & 0xff;
*PesPtr++ = (private_data.width >> 16) & 0xff;
*PesPtr++ = private_data.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);
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;
wmv_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) {
unsigned int PesLength;
unsigned int PrivateHeaderLength;
PrivateHeaderLength = InsertVideoPrivateDataHeader (&PesHeader[HeaderLength],
call->len);
/* Update PesLength */
PesLength = PesHeader[PES_LENGTH_BYTE_0] +
(PesHeader[PES_LENGTH_BYTE_1] << 8) + PrivateHeaderLength;
PesHeader[PES_LENGTH_BYTE_0] = PesLength & 0xff;
PesHeader[PES_LENGTH_BYTE_1] = (PesLength >> 8) & 0xff;
PesHeader[PES_HEADER_DATA_LENGTH_BYTE] += PrivateHeaderLength;
PesHeader[PES_FLAGS_BYTE] |= PES_EXTENSION_DATA_PRESENT;
HeaderLength += PrivateHeaderLength;
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;
}
}
wmv_printf(10, "< %d\n", len);
return len;
}
/* ***************************** */
/* Writer Definition */
/* ***************************** */
static WriterCaps_t caps = {
"wmv",
eVideo,
"V_WMV",
VIDEO_ENCODING_WMV
};
struct Writer_s WriterVideoWMV = {
&reset,
&writeData,
NULL,
&caps
};
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