element.cpp File Reference

#include <cstdio>
#include <cstring>
#include "element.h"
#include "mpg_common.h"
#include "pes.h"
#include "libmythbase/mythlogging.h"

Include dependency graph for element.cpp:

Go to the source code of this file.

Macros
#define	DEBUG   true

Functions
uint64_t	add_pts_audio (uint64_t pts, audio_frame_t *aframe, uint64_t frames)
void	fix_audio_count (uint64_t *acount, audio_frame_t *aframe, uint64_t origpts, uint64_t pts)
uint64_t	next_ptsdts_video (uint64_t *pts, sequence_t *s, uint64_t fcount, uint64_t gcount)
void	fix_video_count (sequence_t *s, uint64_t *frame, uint64_t origpts, uint64_t pts, uint64_t origdts, uint64_t dts)
void	pts2time (uint64_t pts, uint8_t *buf, int len)
int	get_video_info (ringbuffer *rbuf, sequence_t *s, int off, int le)
int	find_audio_sync (ringbuffer *rbuf, audio_sync_buf &buf, int off, int type, int le)
int	find_audio_s (const uint8_t *rbuf, int off, int type, int le)
int	check_audio_header (ringbuffer *rbuf, audio_frame_t *af, int off, int le, int type)
int	get_audio_info (ringbuffer *rbuf, audio_frame_t *af, int off, int le)
int	get_ac3_info (ringbuffer *rbuf, audio_frame_t *af, int off, int le)
int	get_video_ext_info (ringbuffer *rbuf, sequence_t *s, int off, int le)

Variables
std::array< unsigned int, 4 >	slotsPerLayer {12, 144, 0, 0}
std::array< std::array< unsigned int, 16 >, 3 >	bitrates
static const std::array< const uint32_t, 4 >	freq {441, 480, 320, 0}
static const std::array< const uint64_t, 4 >	samples {384, 1152, 1152, 1536}
static const std::array< const uint16_t, 32 >	ac3_bitrates
static const std::array< const uint8_t, 12 >	ac3half {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3}
static const std::array< const uint32_t, 4 >	ac3_freq {480, 441, 320, 0}

Macro Definition Documentation

DEBUG

#define DEBUG   true

Definition at line 54 of file element.cpp.

Function Documentation

add_pts_audio()

uint64_t add_pts_audio	(	uint64_t	pts,
		audio_frame_t *	aframe,
		uint64_t	frames
	)

Definition at line 56 of file element.cpp.

Referenced by analyze_audio().

fix_audio_count()

void fix_audio_count	(	uint64_t *	acount,
		audio_frame_t *	aframe,
		uint64_t	origpts,
		uint64_t	pts
	)

Definition at line 65 of file element.cpp.

Referenced by analyze_audio().

next_ptsdts_video()

uint64_t next_ptsdts_video	(	uint64_t *	pts,
		sequence_t *	s,
		uint64_t	fcount,
		uint64_t	gcount
	)

Definition at line 76 of file element.cpp.

Referenced by analyze_video().

fix_video_count()

void fix_video_count	(	sequence_t *	s,
		uint64_t *	frame,
		uint64_t	origpts,
		uint64_t	pts,
		uint64_t	origdts,
		uint64_t	dts
	)

Definition at line 117 of file element.cpp.

Referenced by analyze_video().

pts2time()

void pts2time	(	uint64_t	pts,
		uint8_t *	buf,
		int	len
	)

Definition at line 154 of file element.cpp.

Referenced by writeout_video().

get_video_info()

int get_video_info	(	ringbuffer *	rbuf,
		sequence_t *	s,
		int	off,
		int	le
	)

Definition at line 195 of file element.cpp.

Referenced by analyze_video().

find_audio_sync()

int find_audio_sync	(	ringbuffer *	rbuf,
		audio_sync_buf &	buf,
		int	off,
		int	type,
		int	le
	)

Definition at line 327 of file element.cpp.

Referenced by analyze_audio(), check_audio_header(), get_ac3_info(), and get_audio_info().

find_audio_s()

int find_audio_s	(	const uint8_t *	rbuf,
		int	off,
		int	type,
		int	le
	)

Definition at line 377 of file element.cpp.

Referenced by pes_id_out().

check_audio_header()

int check_audio_header	(	ringbuffer *	rbuf,
		audio_frame_t *	af,
		int	off,
		int	le,
		int	type
	)

Definition at line 419 of file element.cpp.

Referenced by analyze_audio().

get_audio_info()

int get_audio_info	(	ringbuffer *	rbuf,
		audio_frame_t *	af,
		int	off,
		int	le
	)

Definition at line 482 of file element.cpp.

Referenced by analyze_audio().

get_ac3_info()

int get_ac3_info	(	ringbuffer *	rbuf,
		audio_frame_t *	af,
		int	off,
		int	le
	)

Definition at line 533 of file element.cpp.

Referenced by analyze_audio().

get_video_ext_info()

int get_video_ext_info	(	ringbuffer *	rbuf,
		sequence_t *	s,
		int	off,
		int	le
	)

Definition at line 590 of file element.cpp.

Referenced by analyze_video().

Variable Documentation

slotsPerLayer

std::array<unsigned int,4> slotsPerLayer {12, 144, 0, 0}

Definition at line 38 of file element.cpp.

Referenced by get_audio_info().

bitrates

std::array<std::array<unsigned int,16>,3> bitrates

Initial value:

{{
 {0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,0},
 {0,32,48,56,64,80,96,112,128,160,192,224,256,320,384,0},
 {0,32,40,48,56,64,80,96,112,128,160,192,224,256,320,0}
}}

Definition at line 39 of file element.cpp.

Referenced by check_audio_header(), and get_audio_info().

freq

const std::array<const uint32_t,4> freq {441, 480, 320, 0}

static

Definition at line 45 of file element.cpp.

Referenced by ChannelUtil::CreateMultiplex(), TransportScanItem::freq_offset(), get_atsc_stuff(), get_audio_info(), handle_transport_desc(), ChannelData::handleChannels(), init_freq_tables(), PaneATSC::ResetTransportRange(), ChannelScanSM::ScanTransports(), DiSEqCDevSCR::SetFrequency(), TransportScanItem::TransportScanItem(), V4LChannel::Tune(), and ChannelScanSM::Tune().

samples

const std::array<const uint64_t,4> samples {384, 1152, 1152, 1536}

static

Definition at line 46 of file element.cpp.

Referenced by add_pts_audio(), AudioOutputUtil::AdjustVolume(), AudioOutputGraph::AOBuffer::Append(), MythRAOPConnection::AudioCardLatency(), avcodec_encode_audio(), MythRAOPConnection::decodeAudioPacket(), encode_mp2_audio(), extract_mono_channel(), fix_audio_count(), get_audio_info(), AudioReencodeBuffer::GetSamples(), MythOpenGLPerf::LogSamples(), AudioOutputUtil::MonoToStereo(), AudioConvert::MonoToStereo(), AudioConvertInternal::Process(), and FreeSurround::putFrames().

ac3_bitrates

const std::array<const uint16_t,32> ac3_bitrates

static

Initial value:

{32,40,48,56,64,80,96,112,128,160,192,224,256,320,384,448,512,576,640,
     0,0,0,0,0,0,0,0,0,0,0,0,0}

Definition at line 49 of file element.cpp.

Referenced by check_audio_header(), and get_ac3_info().

ac3half

const std::array<const uint8_t,12> ac3half {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3}

static

Definition at line 51 of file element.cpp.

Referenced by check_audio_header(), and get_ac3_info().

ac3_freq

const std::array<const uint32_t,4> ac3_freq {480, 441, 320, 0}

static

Definition at line 52 of file element.cpp.

Referenced by check_audio_header(), and get_ac3_info().