#include "avformatdecoder.h"
#include <unistd.h>
#include <algorithm>
#include <array>
#include <cmath>
#include <cstdint>
#include <iostream>
#include <set>
#include "libavutil/avutil.h"
#include "libavutil/error.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "libavformat/avio.h"
#include "libswscale/swscale.h"
#include "libavutil/stereo3d.h"
#include "libavutil/imgutils.h"
#include "libavutil/display.h"
#include <QFileInfo>
#include <QStringDecoder>
#include "libmyth/audio/audiooutput.h"
#include "libmyth/audio/audiooutpututil.h"
#include "libmythbase/iso639.h"
#include "libmythbase/lcddevice.h"
#include "libmythbase/mythchrono.h"
#include "libmythbase/mythconfig.h"
#include "libmythbase/mythcorecontext.h"
#include "libmythbase/mythdate.h"
#include "libmythbase/mythdbcon.h"
#include "libmythbase/stringutil.h"
#include "libmythui/mythuihelper.h"
#include "mythtvexp.h"
#include "Bluray/mythbdbuffer.h"
#include "DVD/mythdvdbuffer.h"
#include "captions/cc608decoder.h"
#include "captions/cc708decoder.h"
#include "captions/subtitlereader.h"
#include "captions/teletextdecoder.h"
#include "io/mythmediabuffer.h"
#include "mheg/interactivetv.h"
#include "mpeg/atscdescriptors.h"
#include "mpeg/dvbdescriptors.h"
#include "mpeg/mpegtables.h"
#include "bytereader.h"
#include "mythavutil.h"
#include "mythframe.h"
#include "mythhdrvideometadata.h"
#include "mythvideoprofile.h"
#include "remoteencoder.h"

Include dependency graph for avformatdecoder.cpp:

Macros
#define	LOC QString("AFD: ")

#define	FAIL(errmsg)

Enumerations
enum	V4L2_MPEG_LINE_TYPES { V4L2_MPEG_VBI_IVTV_TELETEXT_B = 1, V4L2_MPEG_VBI_IVTV_CAPTION_525 = 4, V4L2_MPEG_VBI_IVTV_WSS_625 = 5, V4L2_MPEG_VBI_IVTV_VPS = 7 }

Functions
static QSize	get_video_dim (const AVCodecContext &ctx)

static float	get_aspect (const AVCodecContext &ctx)

static float	get_aspect (AVCParser &p)

int	get_avf_buffer (struct AVCodecContext c, AVFrame pic, int flags)

int	get_avf_buffer_dxva2 (struct AVCodecContext c, AVFrame pic, int flags)

static bool	StreamHasRequiredParameters (AVCodecContext Context, AVStream Stream)
	Determine if we have enough live TV data to initialize hardware decoders. More...

static void	myth_av_log (void ptr, int level, const char fmt, va_list vl)

static int	get_canonical_lang (const char *lang_cstr)

static const char *	AVMediaTypeToString (enum AVMediaType codec_type)
	returns a human readable string for the AVMediaType enum. More...

static int64_t	lsb3full (int64_t lsb, int64_t base_ts, int lsb_bits)

void	HandleStreamChange (void *data)

static enum AVPixelFormat	get_format_dxva2 (struct AVCodecContext , const enum AVPixelFormat )

static bool	cc608_good_parity (uint16_t data)

static std::vector< int >	filter_lang (const sinfo_vec_t &tracks, int lang_key, const std::vector< int > &ftype)

static std::vector< int >	filter_type (const sinfo_vec_t &tracks, AudioTrackType type)

static void	extract_mono_channel (uint channel, AudioInfo audioInfo, char buffer, int bufsize)

Variables
static constexpr int	SEQ_PKT_ERR_MAX { 50 }

static constexpr ssize_t	kMaxVideoQueueSize = 220

static bool	silence_ffmpeg_logging = false

static constexpr uint32_t	SEQ_START { 0x000001b3 }

static constexpr uint32_t	GOP_START { 0x000001b8 }

static constexpr uint32_t	SLICE_MIN { 0x00000101 }

static constexpr uint32_t	SLICE_MAX { 0x000001af }

Macro Definition Documentation

◆ LOC

#define LOC QString("AFD: ")

Definition at line 116 of file avformatdecoder.cpp.

◆ FAIL

#define FAIL ( errmsg )

Value:

    do {                       \
    LOG(VB_PLAYBACK, LOG_INFO, LOC + (errmsg)); \
    return false;                                   \
} while (false)

Definition at line 206 of file avformatdecoder.cpp.

Enumeration Type Documentation

◆ V4L2_MPEG_LINE_TYPES

enum V4L2_MPEG_LINE_TYPES

Enumerator
V4L2_MPEG_VBI_IVTV_TELETEXT_B	Teletext (uses lines 6-22 for PAL, 10-21 for NTSC)
V4L2_MPEG_VBI_IVTV_CAPTION_525	Closed Captions (line 21 NTSC, line 22 PAL)
V4L2_MPEG_VBI_IVTV_WSS_625	Wide Screen Signal (line 20 NTSC, line 23 PAL)
V4L2_MPEG_VBI_IVTV_VPS	Video Programming System (PAL) (line 16)

Definition at line 50 of file avformatdecoder.cpp.

Function Documentation

◆ get_video_dim()

static QSize get_video_dim ( const AVCodecContext & ctx )

static

Definition at line 134 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::InitVideoCodec(), AvFormatDecoder::ProcessVideoFrame(), and AvFormatDecoder::ScanStreams().

◆ get_aspect() [1/2]

static float get_aspect ( const AVCodecContext & ctx )

static

Definition at line 138 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::H264PreProcessPkt(), and AvFormatDecoder::InitVideoCodec().

◆ get_aspect() [2/2]

static float get_aspect ( AVCParser & p )

static

Definition at line 159 of file avformatdecoder.cpp.

◆ get_avf_buffer()

int get_avf_buffer	(	struct AVCodecContext *	c,
		AVFrame *	pic,
		int	flags
	)

Definition at line 2760 of file avformatdecoder.cpp.

◆ get_avf_buffer_dxva2()

int get_avf_buffer_dxva2	(	struct AVCodecContext *	c,
		AVFrame *	pic,
		int	flags
	)

Definition at line 2824 of file avformatdecoder.cpp.

◆ StreamHasRequiredParameters()

static bool StreamHasRequiredParameters	(	AVCodecContext *	Context,
		AVStream *	Stream
	)

static

Determine if we have enough live TV data to initialize hardware decoders.

This was based on what is now the static int has_codec_parameters() from libavformat/demux.c

Definition at line 216 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::OpenFile().

◆ myth_av_log()

static void myth_av_log	(	void *	ptr,
		int	level,
		const char *	fmt,
		va_list	vl
	)

static

Definition at line 272 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::AvFormatDecoder().

◆ get_canonical_lang()

static int get_canonical_lang ( const char * lang_cstr )

static

Definition at line 334 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::GetSubtitleLanguage(), and AvFormatDecoder::ScanRawTextCaptions().

◆ AVMediaTypeToString()

static const char* AVMediaTypeToString ( enum AVMediaType codec_type )

static

returns a human readable string for the AVMediaType enum.

av_get_media_type_string() from <libavutil/avutil.h> returns NULL for unknown or invalid codec_type, so use this instead.

Definition at line 356 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::GetFrame(), AvFormatDecoder::InitVideoCodec(), AvFormatDecoder::OpenAVCodec(), and AvFormatDecoder::ScanStreams().

◆ lsb3full()

static int64_t lsb3full	(	int64_t	lsb,
		int64_t	base_ts,
		int	lsb_bits
	)

static

Definition at line 464 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::DoFastForward(), and AvFormatDecoder::NormalizeVideoTimecode().

◆ HandleStreamChange()

void HandleStreamChange ( void * data )

Definition at line 948 of file avformatdecoder.cpp.

◆ get_format_dxva2()

enum AVPixelFormat get_format_dxva2	(	struct AVCodecContext *	avctx,
		const enum AVPixelFormat *	valid_fmts
	)

static

Definition at line 1435 of file avformatdecoder.cpp.

◆ cc608_good_parity()

static bool cc608_good_parity ( uint16_t data )

static

Definition at line 1648 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::DecodeCCx08(), and AvFormatDecoder::ProcessVBIDataPacket().

◆ filter_lang()

static std::vector<int> filter_lang	(	const sinfo_vec_t &	tracks,
		int	lang_key,
		const std::vector< int > &	ftype
	)

static

Definition at line 4273 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::AutoSelectAudioTrack().

◆ filter_type()

static std::vector<int> filter_type	(	const sinfo_vec_t &	tracks,
		AudioTrackType	type
	)

static

Definition at line 4287 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::AutoSelectAudioTrack().

◆ extract_mono_channel()

static void extract_mono_channel	(	uint	channel,
		AudioInfo *	audioInfo,
		char *	buffer,
		int	bufsize
	)

static

Definition at line 4591 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

Variable Documentation

◆ SEQ_PKT_ERR_MAX

constexpr int SEQ_PKT_ERR_MAX { 50 }

staticconstexpr

Definition at line 124 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::InitVideoCodec(), AvFormatDecoder::ProcessVideoPacket(), and AvFormatDecoder::ScanStreams().

◆ kMaxVideoQueueSize

constexpr ssize_t kMaxVideoQueueSize = 220

staticconstexpr

Definition at line 129 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::GetFrame().

◆ silence_ffmpeg_logging

bool silence_ffmpeg_logging = false

static

Definition at line 132 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::FindStreamInfo(), and myth_av_log().

◆ SEQ_START

constexpr uint32_t SEQ_START { 0x000001b3 }

staticconstexpr

Definition at line 3125 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::MpegPreProcessPkt().

◆ GOP_START

constexpr uint32_t GOP_START { 0x000001b8 }

staticconstexpr

Definition at line 3126 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::MpegPreProcessPkt().

◆ SLICE_MIN

constexpr uint32_t SLICE_MIN { 0x00000101 }

staticconstexpr

Definition at line 3128 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::MpegPreProcessPkt().

◆ SLICE_MAX

constexpr uint32_t SLICE_MAX { 0x000001af }

staticconstexpr

Definition at line 3129 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::MpegPreProcessPkt().

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ LOC

◆ FAIL

Enumeration Type Documentation

◆ V4L2_MPEG_LINE_TYPES

Function Documentation

◆ get_video_dim()

◆ get_aspect() [1/2]

◆ get_aspect() [2/2]

◆ get_avf_buffer()

◆ get_avf_buffer_dxva2()

◆ StreamHasRequiredParameters()

◆ myth_av_log()

◆ get_canonical_lang()

◆ AVMediaTypeToString()

◆ lsb3full()

◆ HandleStreamChange()

◆ get_format_dxva2()

◆ cc608_good_parity()

◆ filter_lang()

◆ filter_type()

◆ extract_mono_channel()

Variable Documentation

◆ SEQ_PKT_ERR_MAX

◆ kMaxVideoQueueSize

◆ silence_ffmpeg_logging

◆ SEQ_START

◆ GOP_START

◆ SLICE_MIN

◆ SLICE_MAX