avformatdecoder.cpp File Reference

Go to the source code of this file.

Classes

class AvFormatDecoderPrivate

Management of libmpeg2 decoding. More...

Typedefs

typedef MythDeque< AVFrame * > avframe_q

Functions

const uint8_t * ff_find_start_code (const uint8_t *restrict p, const uint8_t *end, uint32_t *restrict state)

static int cc608_parity (uint8_t byte)

static int cc608_good_parity (const int *parity_table, uint16_t data)

static void cc608_build_parity_table (int *parity_table)

static int dts_syncinfo (uint8_t *indata_ptr, int *flags, int *sample_rate, int *bit_rate)

static int dts_decode_header (uint8_t *indata_ptr, int *rate, int *nblks, int *sfreq)

static int encode_frame (bool dts, unsigned char *data, int len, short *samples, int &samples_size)

int get_avf_buffer_xvmc (struct AVCodecContext *c, AVFrame *pic)

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

void release_avf_buffer (struct AVCodecContext *c, AVFrame *pic)

void release_avf_buffer_xvmc (struct AVCodecContext *c, AVFrame *pic)

void render_slice_xvmc (struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height)

void decode_cc_dvd (struct AVCodecContext *c, const uint8_t *buf, int buf_size)

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

void HandleStreamChange (void *data)

static float normalized_fps (AVStream *stream, AVCodecContext *enc)

static int mpeg_version (int codec_id)

static int xvmc_pixel_format (enum PixelFormat pix_fmt)

void default_captions (sinfo_vec_t *tracks, int av_index)

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

static int filter_max_ch (const AVFormatContext *ic, const sinfo_vec_t &tracks, const vector< int > &fs, enum CodecID codecId=CODEC_ID_NONE)

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

Variables

static const float eps = 1E-5

static int DTS_SAMPLEFREQS [16]

static int DTS_BITRATES [30]

Typedef Documentation

typedef MythDeque<AVFrame*> avframe_q

Definition at line 134 of file avformatdecoder.cpp.

Function Documentation

const uint8_t* ff_find_start_code	(	const uint8_t *restrict	p,
		const uint8_t *	end,
		uint32_t *restrict	state
	)

Definition at line 102 of file mpegvideo.c.

static int cc608_parity ( uint8_t byte ) [static]

Definition at line 1204 of file avformatdecoder.cpp.

Referenced by cc608_build_parity_table().

static int cc608_good_parity	(	const int *	parity_table,
		uint16_t	data
	)			`[static]`

Definition at line 1236 of file avformatdecoder.cpp.

Referenced by decode_cc_dvd(), AvFormatDecoder::DecodeDTVCC(), AvFormatDecoder::GetFrame(), and AvFormatDecoder::ProcessVBIDataPacket().

static void cc608_build_parity_table ( int * parity_table ) [static]

Definition at line 1220 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::AvFormatDecoder().

static int dts_syncinfo	(	uint8_t *	indata_ptr,
		int *	flags,
		int *	sample_rate,
		int *	bit_rate
	)			`[static]`

Definition at line 4181 of file avformatdecoder.cpp.

static int dts_decode_header	(	uint8_t *	indata_ptr,
		int *	rate,
		int *	nblks,
		int *	sfreq
	)			`[static]`

Definition at line 4203 of file avformatdecoder.cpp.

static int encode_frame	(	bool	dts,
		unsigned char *	data,
		int	len,
		short *	samples,
		int &	samples_size
	)			`[static]`

Definition at line 4077 of file avformatdecoder.cpp.

int get_avf_buffer_xvmc	(	struct AVCodecContext *	c,
		AVFrame *	pic
	)

Definition at line 2040 of file avformatdecoder.cpp.

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

Definition at line 1976 of file avformatdecoder.cpp.

void release_avf_buffer	(	struct AVCodecContext *	c,
		AVFrame *	pic
	)

Definition at line 2020 of file avformatdecoder.cpp.

void release_avf_buffer_xvmc	(	struct AVCodecContext *	c,
		AVFrame *	pic
	)

Definition at line 2072 of file avformatdecoder.cpp.

void render_slice_xvmc	(	struct AVCodecContext *	s,
		const AVFrame *	src,
		int	offset[4],
		int	y,
		int	type,
		int	height
	)

Definition at line 2090 of file avformatdecoder.cpp.

void decode_cc_dvd	(	struct AVCodecContext *	c,
		const uint8_t *	buf,
		int	buf_size
	)

Definition at line 2115 of file avformatdecoder.cpp.

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

Definition at line 76 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::AvFormatDecoder().

static int get_canonical_lang ( const char * lang_cstr ) [static]

Definition at line 114 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::ScanStreams().

static int64_t lsb3full	(	int64_t	lsb,
		int64_t	base_ts,
		int	lsb_bits
	)			`[static]`

Definition at line 504 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::DoFastForward().

void HandleStreamChange ( void * data )

Definition at line 827 of file avformatdecoder.cpp.

static float normalized_fps	(	AVStream *	stream,
		AVCodecContext *	enc
	)			`[static]`

Definition at line 1017 of file avformatdecoder.cpp.

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

static int mpeg_version ( int codec_id ) [static]

Definition at line 1152 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::ScanStreams().

static int xvmc_pixel_format ( enum PixelFormat pix_fmt ) [static]

Definition at line 1175 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::ScanStreams().

void default_captions	(	sinfo_vec_t *	tracks,
		int	av_index
	)

Definition at line 1192 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::ScanATSCCaptionStreams().

static vector<int> filter_lang	(	const sinfo_vec_t &	tracks,
		int	lang_key
	)			`[static]`

Definition at line 2745 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::AutoSelectAudioTrack().

static int filter_max_ch	(	const AVFormatContext *	ic,
		const sinfo_vec_t &	tracks,
		const vector< int > &	fs,
		enum CodecID	codecId = `CODEC_ID_NONE`
	)			`[static]`

Definition at line 2756 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::AutoSelectAudioTrack().

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

Definition at line 2956 of file avformatdecoder.cpp.

Referenced by AvFormatDecoder::GetFrame().

Variable Documentation

const float eps = 1E-5 [static]

Definition at line 55 of file avformatdecoder.cpp.

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

int DTS_SAMPLEFREQS[16] [static]

Initial value:

{
    0,      8000,   16000,  32000,  64000,  128000, 11025,  22050,
    44100,  88200,  176400, 12000,  24000,  48000,  96000,  192000
}

Definition at line 4166 of file avformatdecoder.cpp.

int DTS_BITRATES[30] [static]

Initial value:

{
    32000,    56000,    64000,    96000,    112000,   128000,
    192000,   224000,   256000,   320000,   384000,   448000,
    512000,   576000,   640000,   768000,   896000,   1024000,
    1152000,  1280000,  1344000,  1408000,  1411200,  1472000,
    1536000,  1920000,  2048000,  3072000,  3840000,  4096000
}

Definition at line 4172 of file avformatdecoder.cpp.


Classes
class	AvFormatDecoderPrivate
	Management of libmpeg2 decoding. More...
Typedefs
typedef MythDeque< AVFrame * >	avframe_q
Functions
const uint8_t *	ff_find_start_code (const uint8_t restrict p, const uint8_t end, uint32_t *restrict state)
static int	cc608_parity (uint8_t byte)
static int	cc608_good_parity (const int *parity_table, uint16_t data)
static void	cc608_build_parity_table (int *parity_table)
static int	dts_syncinfo (uint8_t indata_ptr, int flags, int sample_rate, int bit_rate)
static int	dts_decode_header (uint8_t indata_ptr, int rate, int nblks, int sfreq)
static int	encode_frame (bool dts, unsigned char data, int len, short samples, int &samples_size)
int	get_avf_buffer_xvmc (struct AVCodecContext c, AVFrame pic)
int	get_avf_buffer (struct AVCodecContext c, AVFrame pic)
void	release_avf_buffer (struct AVCodecContext c, AVFrame pic)
void	release_avf_buffer_xvmc (struct AVCodecContext c, AVFrame pic)
void	render_slice_xvmc (struct AVCodecContext s, const AVFrame src, int offset[4], int y, int type, int height)
void	decode_cc_dvd (struct AVCodecContext c, const uint8_t buf, int buf_size)
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 int64_t	lsb3full (int64_t lsb, int64_t base_ts, int lsb_bits)
void	HandleStreamChange (void *data)
static float	normalized_fps (AVStream stream, AVCodecContext enc)
static int	mpeg_version (int codec_id)
static int	xvmc_pixel_format (enum PixelFormat pix_fmt)
void	default_captions (sinfo_vec_t *tracks, int av_index)
static vector< int >	filter_lang (const sinfo_vec_t &tracks, int lang_key)
static int	filter_max_ch (const AVFormatContext *ic, const sinfo_vec_t &tracks, const vector< int > &fs, enum CodecID codecId=CODEC_ID_NONE)
static void	extract_mono_channel (uint channel, AudioInfo audioInfo, char buffer, int bufsize)
Variables
static const float	eps = 1E-5
static int	DTS_SAMPLEFREQS [16]
static int	DTS_BITRATES [30]