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libeplayer3: remove writer/wma.c and writer/aac.c (handled by ffmpeg instead)

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martii
2014-04-05 10:39:55 +02:00
parent 6328d3746e
commit f217be304a
2 changed files with 0 additions and 464 deletions
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282
libeplayer3/output/writer/aac.c
View File

@@ -1,282 +0,0 @@
/*
* 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 <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 <sys/uio.h>
#include "common.h"
#include "output.h"
#include "debug.h"
#include "misc.h"
#include "pes.h"
#include "writer.h"
/* ***************************** */
/* Makros/Constants */
/* ***************************** */
#define AAC_HEADER_LENGTH 7
#define AAC_DEBUG
#ifdef AAC_DEBUG
static short debug_level = 0;
#define aac_printf(level, fmt, x...) do { \
if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define aac_printf(level, fmt, x...)
#endif
#ifndef AAC_SILENT
#define aac_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define aac_err(fmt, x...)
#endif
/* ***************************** */
/* Types */
/* ***************************** */
/* ***************************** */
/* Varaibles */
/* ***************************** */
/// ** AAC ADTS format **
///
/// AAAAAAAA AAAABCCD EEFFFFGH HHIJKLMM
/// MMMMMMMM MMMNNNNN NNNNNNOO ........
///
/// Sign Length Position Description
///
/// A 12 (31-20) Sync code
/// B 1 (19) ID
/// C 2 (18-17) layer
/// D 1 (16) protect absent
/// E 2 (15-14) profile
/// F 4 (13-10) sample freq index
/// G 1 (9) private
/// H 3 (8-6) channel config
/// I 1 (5) original/copy
/// J 1 (4) home
/// K 1 (3) copyright id
/// L 1 (2) copyright start
/// M 13 (1-0,31-21) frame length
/// N 11 (20-10) adts buffer fullness
/// O 2 (9-8) num of raw data blocks in frame
/*
LC: Audio: aac, 44100 Hz, stereo, s16, 192 kb/ ->ff f1 50 80 00 1f fc
HE: Audio: aac, 48000 Hz, stereo, s16, 77 kb/s ->ff f1 4c 80 00 1f fc
*/
/*
ADIF = basic format called Audio Data Interchange Format (ADIF)
consisting of a single header followed by the raw AAC audio data blocks
ADTS = streaming format called Audio Data Transport Stream (ADTS)
consisting of a series of frames, each frame having a header followed by the AAC audio data
LOAS = Low Overhead Audio Stream (LOAS), a self-synchronizing streaming format
*/
/*
AvailableBytes = Writen Bytes
Sync = Bits.Get(11);
if (Sync == AAC_AUDIO_LOAS_ASS_SYNC_WORD{0x2b7})
Type = AAC_AUDIO_LOAS_FORMAT;
FrameSize = Bits.Get(13) + AAC_LOAS_ASS_SYNC_LENGTH_HEADER_SIZE{3};
if (FrameSize > AAC_LOAS_ASS_MAX_FRAME_SIZE{8192})
// ERROR
AvailableBytes = AvailableBytes - AAC_LOAS_ASS_MAX_FRAME_SIZE{8192};
ImplicitSbrExtension = true;
ExplicitSbrExtension = false;
if (AvailableBytes > 0)
useSameStreamMux = Bits->Get(1);
else
useSameStreamMux = true;
if ( !useSameStreamMux )
audioMuxVersion = Bits->Get(1); // Has to be 0
if (!audioMuxVersion)
// only get program 0 and layer 0 information ...
Bits->FlushUnseen(1 + 6 + 4 + 3); // allStreamSameTimeFraming, numSubFrames, numProgram, numLayer
audioObjectType = Bits->Get(5);
if ((audioObjectType != AAC_AUDIO_PROFILE_LC{2}) && (audioObjectType != AAC_AUDIO_PROFILE_SBR{5}))
// Error
samplingFrequencyIndex = Bits->Get(4);
channelConfiguration = Bits->Get(4);
if (audioObjectType == AAC_AUDIO_PROFILE_SBR{5})
ImplicitSbrExtension = false;
ExplicitSbrExtension = true;
samplingFrequencyIndex = Bits->Get(4);
audioObjectType = Bits->Get(5);
if (audioObjectType != AAC_AUDIO_PROFILE_LC{2})
// Error
*SampleCount = 1024 * ((ImplicitSbrExtension || ExplicitSbrExtension)?2:1);
*SamplingFrequency *= (ImplicitSbrExtension?2:1);
else
Sync |= Bits.Get(1) << 11;
if (Sync == AAC_AUDIO_ADTS_SYNC_WORD{0xfff})
Type = AAC_AUDIO_ADTS_FORMAT; // Supports only LC
ID = Bits.Get(1);
Layer = Bits.Get(2); // Has to be 0
protection_absent = Bits.Get(1);
profile_ObjectType = Bits.Get(2);
if ((profile_ObjectType+1) != AAC_AUDIO_PROFILE_LC)
return
sampling_frequency_index = Bits.Get(4);
SamplingFrequency = aac_sample_rates[sampling_frequency_index] * 2;
Bits.FlushUnseen(1); //private_bit
channel_configuration = Bits.Get(3);
Bits.FlushUnseen(1 + 1 + 1 + 1); //original/copy, home, copyright_identification_bit, copyright_identification_start
FrameSize = Bits.Get(13); // aac_frame_length
if (FrameSize < AAC_ADTS_MIN_FRAME_SIZE{7})
// Error
Bits.FlushUnseen(11); //adts_buffer_fullness
no_raw_data_blocks_in_frame = Bits.Get(2);
// multiple the sample count by two in case a sbr object is present
SampleCount = (no_raw_data_blocks_in_frame + 1) * 1024 * 2 ;
else
Sync |= Bits.Get(4) << 12;
if (Sync == AAC_AUDIO_LOAS_EPASS_SYNC_WORD{0x4de1})
Type = AAC_AUDIO_LOAS_FORMAT;
...
else
Sync |= Bits.Get(16) << 16;
if (Sync == AAC_AUDIO_ADIF_SYNC_WORD{0x41444946})
Type = AAC_AUDIO_ADIF_FORMAT;
//not supported
*/
static unsigned char DefaultAACHeader[] = {
0xff,
0xf1,
/*0x00, 0x00 */ 0x50,
//((Profile & 0x03) << 6) | (SampleIndex << 2) | ((Channels >> 2) & 0x01);s
0x80, //(Channels & 0x03) << 6;
0x00,
0x1f,
0xfc
};
/* ***************************** */
/* Prototypes */
/* ***************************** */
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static int reset()
{
return 0;
}
static int writeData(WriterAVCallData_t *call)
{
unsigned char PesHeader[PES_MAX_HEADER_SIZE];
unsigned char ExtraData[AAC_HEADER_LENGTH];
unsigned int PacketLength;
aac_printf(10, "\n");
if (call == NULL) {
aac_err("call data is NULL...\n");
return 0;
}
aac_printf(10, "AudioPts %lld\n", call->Pts);
PacketLength = call->len + AAC_HEADER_LENGTH;
if ((call->data == NULL) || (call->len <= 0)) {
aac_err("parsing NULL Data. ignoring...\n");
return 0;
}
if (call->fd < 0) {
aac_err("file pointer < 0. ignoring ...\n");
return 0;
}
if (call->private_data == NULL) {
aac_printf(10, "private_data = NULL\n");
memcpy(ExtraData, DefaultAACHeader, AAC_HEADER_LENGTH);
} else
memcpy(ExtraData, call->private_data, AAC_HEADER_LENGTH);
ExtraData[3] |= (PacketLength >> 11) & 0x3;
ExtraData[4] = (PacketLength >> 3) & 0xff;
ExtraData[5] |= (PacketLength << 5) & 0xe0;
unsigned int HeaderLength =
InsertPesHeader(PesHeader, PacketLength, AAC_AUDIO_PES_START_CODE,
call->Pts, 0);
struct iovec iov[3];
iov[0].iov_base = PesHeader;
iov[0].iov_len = HeaderLength;
iov[1].iov_base = ExtraData;
iov[1].iov_len = AAC_HEADER_LENGTH;
iov[2].iov_base = call->data;
iov[2].iov_len = call->len;
return writev(call->fd, iov, 3);
}
/* ***************************** */
/* Writer Definition */
/* ***************************** */
static WriterCaps_t caps = {
"aac",
eAudio,
"A_AAC",
AUDIO_ENCODING_AAC
};
struct Writer_s WriterAudioAAC = {
&reset,
&writeData,
NULL,
&caps
};

182
libeplayer3/output/writer/wma.c
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@@ -1,182 +0,0 @@
/*
* 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 <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 WMA_DEBUG
#ifdef WMA_DEBUG
static short debug_level = 0;
#define wma_printf(level, fmt, x...) do { \
if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define wma_printf(level, fmt, x...)
#endif
#ifndef WMA_SILENT
#define wma_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
#else
#define wma_err(fmt, x...)
#endif
/* ***************************** */
/* Types */
/* ***************************** */
/* ***************************** */
/* Varaibles */
/* ***************************** */
static int initialHeader = 1;
/* ***************************** */
/* Prototypes */
/* ***************************** */
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static int reset()
{
initialHeader = 1;
return 0;
}
static int writeData(WriterAVCallData_t *call)
{
int len = 0;
wma_printf(10, "\n");
if (call == NULL) {
wma_err("call data is NULL...\n");
return 0;
}
wma_printf(10, "AudioPts %lld\n", call->Pts);
if ((call->data == NULL) || (call->len <= 0)) {
wma_err("parsing NULL Data. ignoring...\n");
return 0;
}
if (call->fd < 0) {
wma_err("file pointer < 0. ignoring ...\n");
return 0;
}
if (initialHeader) {
unsigned char PesHeader[PES_MAX_HEADER_SIZE];
if ((call->private_size <= 0) || (call->private_data == NULL)) {
wma_err("private NULL.\n");
return -1;
}
struct iovec iov[2];
iov[0].iov_base = PesHeader;
iov[0].iov_len =
InsertPesHeader(PesHeader, call->private_size,
MPEG_AUDIO_PES_START_CODE, 0, 0);
iov[1].iov_base = call->private_data;
iov[1].iov_len = call->private_size;
len = writev(call->fd, iov, 2);
initialHeader = 0;
}
if (len > -1 && call->len > 0 && call->data) {
unsigned char PesHeader[PES_MAX_HEADER_SIZE];
struct iovec iov[2];
iov[0].iov_base = PesHeader;
iov[0].iov_len =
InsertPesHeader(PesHeader, call->len,
MPEG_AUDIO_PES_START_CODE, call->Pts, 0);
iov[1].iov_base = call->data;
iov[1].iov_len = call->len;
ssize_t l = writev(call->fd, iov, 2);
if (l > -1)
len += l;
else
len = l;
}
wma_printf(10, "wma < %d\n", len);
return len;
}
/* ***************************** */
/* Writer Definition */
/* ***************************** */
static WriterCaps_t caps = {
"wma",
eAudio,
"A_WMA",
AUDIO_ENCODING_WMA
};
struct Writer_s WriterAudioWMA = {
&reset,
&writeData,
NULL,
&caps
};