ogg.c File Reference

Include dependency graph for ogg.c:


Data Structures
struct	logical_stream_s
struct	demux_sys_t
struct	stream_header_video_t
struct	stream_header_audio_t
struct	stream_header_t
Defines
#define	OGG_BLOCK_SIZE 4096
#define	PACKET_TYPE_HEADER 0x01
#define	PACKET_TYPE_BITS 0x07
#define	PACKET_LEN_BITS01 0xc0
#define	PACKET_LEN_BITS2 0x02
#define	PACKET_IS_SYNCPOINT 0x08
Typedefs
typedef struct logical_stream_s	logical_stream_t
Functions
static int	Open (vlc_object_t *)
	Probes and initializes.
static void	Close (vlc_object_t *)
	Releases resources.
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static int	Demux (demux_t *)
static int	Control (demux_t *, int, va_list)
static int	Ogg_ReadPage (demux_t , ogg_page )
static void	Ogg_UpdatePCR (logical_stream_t , ogg_packet )
static void	Ogg_DecodePacket (demux_t , logical_stream_t , ogg_packet *)
static int	Ogg_BeginningOfStream (demux_t *p_demux)
static int	Ogg_FindLogicalStreams (demux_t *p_demux)
static void	Ogg_EndOfStream (demux_t *p_demux)
static void	Ogg_LogicalStreamDelete (demux_t p_demux, logical_stream_t p_stream)
	This function delete and release all data associated to a logical_stream_t.
static bool	Ogg_LogicalStreamResetEsFormat (demux_t p_demux, logical_stream_t p_stream)
static void	Ogg_ExtractMeta (demux_t p_demux, vlc_fourcc_t i_codec, const uint8_t p_headers, int i_headers)
static void	Ogg_ReadTheoraHeader (logical_stream_t , ogg_packet )
static void	Ogg_ReadVorbisHeader (logical_stream_t , ogg_packet )
static void	Ogg_ReadSpeexHeader (logical_stream_t , ogg_packet )
static void	Ogg_ReadKateHeader (logical_stream_t , ogg_packet )
static void	Ogg_ReadFlacHeader (demux_t , logical_stream_t , ogg_packet *)
static void	Ogg_ReadAnnodexHeader (vlc_object_t , logical_stream_t , ogg_packet *)
static bool	Ogg_ReadDiracHeader (logical_stream_t , ogg_packet )
static bool	Ogg_IsVorbisFormatCompatible (const es_format_t p_new, const es_format_t p_old)
	This function check if a we need to reset a decoder in case we are reusing an old ES.
static void	Ogg_ExtractXiphMeta (demux_t p_demux, const void p_headers, unsigned i_headers, unsigned i_skip)
static uint32_t	dirac_uint (bs_t *p_bs)
static int	dirac_bool (bs_t *p_bs)

Define Documentation

#define OGG_BLOCK_SIZE 4096

Referenced by Ogg_ReadPage().

#define PACKET_IS_SYNCPOINT 0x08

Referenced by MuxBlock().

#define PACKET_LEN_BITS01 0xc0

Referenced by Ogg_DecodePacket().

#define PACKET_LEN_BITS2 0x02

Referenced by Ogg_DecodePacket().

#define PACKET_TYPE_BITS 0x07

Referenced by Ogg_DecodePacket(), and Ogg_FindLogicalStreams().

#define PACKET_TYPE_HEADER 0x01

Referenced by AddStream(), and Ogg_FindLogicalStreams().

Typedef Documentation

typedef struct logical_stream_s logical_stream_t

Function Documentation

static void Close ( vlc_object_t * p_this ) [static]

Releases resources.

Close the module.

Destroys the X11 window.

Disconnect from the X server.

Close a SDL video output.

It destroys an OpenGL vout display.

Terminate a vout display created by Open.

It destroyes a Direct3D vout display.

Terminate an output method created by Open.

Release the drawable.

Close a libcaca video output.

Close a aa video output method.

Close the filter.

Terminate a splitter module.

This function closes a clone video splitter module.

Common close function.

Releases allocate resources.

Close: Destructor.

Parameters:

	p_this	pointer to this filter object
	p_this,:	the filter object

static int Control	(	demux_t *	p_demux,
		int	i_query,
		va_list	args
	)			`[static]`

static int Demux ( demux_t * p_demux ) [static]

static int dirac_bool ( bs_t * p_bs ) [static]

References bs_read().

Referenced by dirac_UnpackSeqHdr(), and Ogg_ReadDiracHeader().

static uint32_t dirac_uint ( bs_t * p_bs ) [static]

References bs_eof(), and bs_read().

Referenced by dirac_UnpackSeqHdr(), and Ogg_ReadDiracHeader().

static int Ogg_BeginningOfStream ( demux_t * p_demux ) [static]

static void Ogg_DecodePacket	(	demux_t *	p_demux,
		logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References es_format_t::audio, AUDIO_ES, logical_stream_s::b_force_backup, BLOCK_FLAG_TYPE_I, block_New, DEFAULT_PTS_DELAY, es_out_Control(), ES_OUT_GET_ES_STATE, ES_OUT_RESET_PCR, es_out_Send(), ES_OUT_SET_ES_FMT, ES_OUT_SET_PCR, logical_stream_s::f_rate, logical_stream_s::fmt, i, demux_sys_t::i_bos, block_t::i_buffer, es_format_t::i_cat, es_format_t::i_codec, block_t::i_dts, es_format_t::i_extra, block_t::i_flags, logical_stream_s::i_granule_shift, logical_stream_s::i_headers, logical_stream_s::i_interpolated_pcr, logical_stream_s::i_kate_num_headers, block_t::i_length, logical_stream_s::i_packets_backup, logical_stream_s::i_pcr, logical_stream_s::i_previous_pcr, block_t::i_pts, audio_format_t::i_rate, msg_Dbg, msg_Warn, msleep, Ogg_ExtractMeta(), Ogg_LogicalStreamResetEsFormat(), Ogg_ReadFlacHeader(), Ogg_UpdatePCR(), demux_t::out, block_t::p_buffer, logical_stream_s::p_es, es_format_t::p_extra, logical_stream_s::p_headers, demux_t::p_sys, PACKET_LEN_BITS01, PACKET_LEN_BITS2, PACKET_TYPE_BITS, SPU_ES, VLC_CODEC_CMML, VLC_CODEC_DIRAC, VLC_CODEC_FLAC, VLC_CODEC_KATE, VLC_CODEC_SPEEX, VLC_CODEC_SUBT, VLC_CODEC_TARKIN, VLC_CODEC_THEORA, VLC_CODEC_VORBIS, VLC_TS_0, VLC_TS_INVALID, and xiph_AppendHeaders().

Referenced by Demux().

static void Ogg_EndOfStream ( demux_t * p_demux ) [static]

References demux_sys_t::i_bitrate, demux_sys_t::i_streams, Ogg_LogicalStreamDelete(), demux_sys_t::p_meta, demux_t::p_sys, demux_sys_t::pp_stream, and vlc_meta_Delete().

Referenced by Demux().

static void Ogg_ExtractMeta	(	demux_t *	p_demux,
		vlc_fourcc_t	i_codec,
		const uint8_t *	p_headers,
		int	i_headers
	)			`[static]`

References demux_t::i_update, demux_t::info, INPUT_UPDATE_META, msg_Warn, Ogg_ExtractXiphMeta(), demux_sys_t::p_meta, demux_t::p_sys, VLC_CODEC_CMML, VLC_CODEC_DIRAC, VLC_CODEC_FLAC, VLC_CODEC_KATE, VLC_CODEC_SPEEX, VLC_CODEC_THEORA, and VLC_CODEC_VORBIS.

Referenced by Ogg_DecodePacket().

static void Ogg_ExtractXiphMeta	(	demux_t *	p_demux,
		const void *	p_headers,
		unsigned	i_headers,
		unsigned	i_skip
	)			`[static]`

References i, demux_sys_t::p_meta, demux_t::p_sys, vorbis_ParseComment(), XIPH_MAX_HEADER_COUNT, and xiph_SplitHeaders().

Referenced by Ogg_ExtractMeta().

static int Ogg_FindLogicalStreams ( demux_t * p_demux ) [static]

References stream_header_t::audio, es_format_t::audio, AUDIO_ES, stream_header_audio_t::avgbytespersec, logical_stream_s::b_force_backup, demux_sys_t::b_page_waiting, stream_header_t::bits_per_sample, stream_header_audio_t::blockalign, stream_header_t::buffersize, stream_header_audio_t::channels, stream_header_t::default_len, es_format_Init(), logical_stream_s::f_rate, logical_stream_s::fmt, logical_stream_s::fmt_old, GetDWLE(), GetQWLE(), GetWLE(), stream_header_video_t::height, es_format_t::i_bitrate, video_format_t::i_bits_per_pixel, audio_format_t::i_bitspersample, audio_format_t::i_blockalign, demux_sys_t::i_bos, es_format_t::i_cat, audio_format_t::i_channels, es_format_t::i_codec, es_format_t::i_extra, video_format_t::i_frame_rate, video_format_t::i_frame_rate_base, video_format_t::i_height, audio_format_t::i_rate, logical_stream_s::i_secondary_header_packets, logical_stream_s::i_serial_no, demux_sys_t::i_streams, video_format_t::i_width, msg_Dbg, msg_Err, msg_Warn, Ogg_ReadAnnodexHeader(), Ogg_ReadDiracHeader(), Ogg_ReadFlacHeader(), Ogg_ReadKateHeader(), Ogg_ReadPage(), Ogg_ReadSpeexHeader(), Ogg_ReadTheoraHeader(), Ogg_ReadVorbisHeader(), logical_stream_s::os, es_format_t::p_extra, logical_stream_s::p_headers, p_stream, demux_t::p_sys, PACKET_TYPE_BITS, PACKET_TYPE_HEADER, demux_sys_t::pp_stream, stream_header_t::samples_per_unit, stream_header_t::sh, stream_header_t::size, SPU_ES, stream_header_t::streamtype, stream_header_t::subtype, TAB_APPEND, stream_header_t::time_unit, stream_header_t::video, es_format_t::video, VIDEO_ES, VLC_CODEC_FLAC, VLC_CODEC_SUBT, VLC_CODEC_TARKIN, VLC_EGENERIC, VLC_ENOMEM, VLC_FOURCC, VLC_OBJECT, VLC_SUCCESS, wf_tag_to_fourcc(), and stream_header_video_t::width.

Referenced by Ogg_BeginningOfStream().

static bool Ogg_IsVorbisFormatCompatible	(	const es_format_t *	p_new,
		const es_format_t *	p_old
	)			`[static]`

This function check if a we need to reset a decoder in case we are reusing an old ES.

References i, es_format_t::i_extra, es_format_t::p_extra, XIPH_MAX_HEADER_COUNT, and xiph_SplitHeaders().

Referenced by Ogg_LogicalStreamResetEsFormat().

static void Ogg_LogicalStreamDelete	(	demux_t *	p_demux,
		logical_stream_t *	p_stream
	)			`[static]`

This function delete and release all data associated to a logical_stream_t.

References es_format_Clean(), es_out_Del(), logical_stream_s::fmt, logical_stream_s::fmt_old, logical_stream_s::os, demux_t::out, logical_stream_s::p_es, and logical_stream_s::p_headers.

Referenced by Ogg_BeginningOfStream(), and Ogg_EndOfStream().

static bool Ogg_LogicalStreamResetEsFormat	(	demux_t *	p_demux,
		logical_stream_t *	p_stream
	)			`[static]`

References logical_stream_s::fmt, logical_stream_s::fmt_old, es_format_t::i_cat, es_format_t::i_codec, msg_Warn, Ogg_IsVorbisFormatCompatible(), and VLC_CODEC_VORBIS.

Referenced by Ogg_DecodePacket().

static void Ogg_ReadAnnodexHeader	(	vlc_object_t *	p_this,
		logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

static bool Ogg_ReadDiracHeader	(	logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References logical_stream_s::b_force_backup, bs_init(), bs_skip(), dirac_bool(), dirac_uint(), logical_stream_s::f_rate, logical_stream_s::fmt, es_format_t::i_cat, es_format_t::i_codec, logical_stream_s::i_granule_shift, VIDEO_ES, and VLC_CODEC_DIRAC.

Referenced by Ogg_FindLogicalStreams().

static void Ogg_ReadFlacHeader	(	demux_t *	p_demux,
		logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References es_format_t::audio, bs_init(), bs_read(), bs_skip(), logical_stream_s::f_rate, logical_stream_s::fmt, audio_format_t::i_channels, audio_format_t::i_rate, and msg_Dbg.

Referenced by Ogg_DecodePacket(), and Ogg_FindLogicalStreams().

static void Ogg_ReadKateHeader	(	logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References logical_stream_s::b_force_backup, logical_stream_s::f_rate, FindKateCategoryName(), logical_stream_s::fmt, es_format_t::i_cat, es_format_t::i_codec, logical_stream_s::i_granule_shift, logical_stream_s::i_kate_num_headers, es_format_t::psz_description, es_format_t::psz_language, SPU_ES, strdup(), and VLC_CODEC_KATE.

Referenced by Ogg_FindLogicalStreams().

static int Ogg_ReadPage	(	demux_t *	p_demux,
		ogg_page *	p_oggpage
	)			`[static]`

References OGG_BLOCK_SIZE, demux_sys_t::oy, demux_t::p_sys, demux_t::s, stream_Read(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by Demux(), and Ogg_FindLogicalStreams().

static void Ogg_ReadSpeexHeader	(	logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References es_format_t::audio, AUDIO_ES, logical_stream_s::b_force_backup, logical_stream_s::f_rate, logical_stream_s::fmt, es_format_t::i_bitrate, es_format_t::i_cat, audio_format_t::i_channels, es_format_t::i_codec, audio_format_t::i_rate, and VLC_CODEC_SPEEX.

Referenced by Ogg_FindLogicalStreams().

static void Ogg_ReadTheoraHeader	(	logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References logical_stream_s::b_force_backup, bs_init(), bs_read(), bs_skip(), logical_stream_s::f_rate, logical_stream_s::fmt, es_format_t::i_bitrate, es_format_t::i_cat, es_format_t::i_codec, video_format_t::i_frame_rate, video_format_t::i_frame_rate_base, logical_stream_s::i_granule_shift, es_format_t::video, VIDEO_ES, and VLC_CODEC_THEORA.

Referenced by Demux(), Ogg_FindLogicalStreams(), and Ogg_ReadAnnodexHeader().

static void Ogg_ReadVorbisHeader	(	logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References es_format_t::audio, AUDIO_ES, logical_stream_s::b_force_backup, logical_stream_s::f_rate, logical_stream_s::fmt, es_format_t::i_bitrate, es_format_t::i_cat, audio_format_t::i_channels, es_format_t::i_codec, audio_format_t::i_rate, and VLC_CODEC_VORBIS.

Referenced by Demux(), and Ogg_FindLogicalStreams().

static void Ogg_UpdatePCR	(	logical_stream_t *	p_stream,
		ogg_packet *	p_oggpacket
	)			`[static]`

References logical_stream_s::f_rate, logical_stream_s::fmt, es_format_t::i_bitrate, es_format_t::i_cat, es_format_t::i_codec, logical_stream_s::i_granule_shift, logical_stream_s::i_interpolated_pcr, logical_stream_s::i_pcr, VIDEO_ES, VLC_CODEC_DIRAC, VLC_CODEC_KATE, and VLC_CODEC_THEORA.

Referenced by Demux(), and Ogg_DecodePacket().

static int Open ( vlc_object_t * p_this ) [static]

Probes and initializes.

Basic chorus/flanger/delay audio filter This implements a variable delay filter for VLC.

Todo:

Improve CDDB support (non-blocking, cache, .

Open the module.

Create an X11 window.

Probe the X server.

This function initializes SDL vout method.

It creates an OpenGL vout display.

This function allocates and initialize the DirectX vout display.

It creates a Direct3D vout display.

This function allocates and initializes a FB vout method.

Find the drawable set by libvlc application.

This function initializes libcaca vout method.

This function allocates and initializes a aa vout method.

This function allocates and initializes a Wall splitter module.

Open the filter.

This function allocates and initializes a Clone splitter module.

Open: initialize and create stuff.

Connect to the sftp server and ask for a file.

Parameters:

p_this,:

the vlc_object

Returns:: VLC_SUCCESS if everything was fine

Parameters:

	p_this
	p_this,:	the filter object

Returns:: VLC_SUCCESS or vlc error codes

Todo:: Reinstate meta codec name

int vlc_entry__main ( module_t * p_module )

const char* vlc_entry_license__main ( void )

ogg.c File Reference

Data Structures

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation