real.c File Reference

Include dependency graph for real.c:

Data Structures
struct	real_track_t
struct	real_index_t
struct	demux_sys_t
Defines
#define	RX(name, type, size, code)
Functions
static int	Open (vlc_object_t *)
	Status of this demuxer: Real Media format -----------------.
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 i_query, va_list args)
static void	DemuxVideo (demux_t *, real_track_t *tk, mtime_t i_dts, unsigned i_flags)
static void	DemuxAudio (demux_t *, real_track_t *tk, mtime_t i_pts, unsigned i_flags)
static int	ControlSeekByte (demux_t *, int64_t i_bytes)
static int	ControlSeekTime (demux_t *, mtime_t i_time)
static int	HeaderRead (demux_t *p_demux)
	This function parses the complete RM headers and move the stream pointer to the data to be read.
static int	CodecParse (demux_t *p_demux, int i_len, int i_num)
static void	RVoid (const uint8_t **pp_data, int *pi_data, int i_size)
static int	RLength (const uint8_t **pp_data, int *pi_data)
static uint8_t	R8 (const uint8_t **pp_data, int *pi_data)
static uint16_t	R16 (const uint8_t **pp_data, int *pi_data)
static uint32_t	R32 (const uint8_t **pp_data, int *pi_data)
static void	CheckPcr (demux_t *p_demux, real_track_t *tk, mtime_t i_dts)
static void	DemuxAudioMethod1 (demux_t *p_demux, real_track_t *tk, mtime_t i_pts, unsigned int i_flags)
static void	DemuxAudioMethod2 (demux_t *p_demux, real_track_t *tk, mtime_t i_pts)
static void	DemuxAudioMethod3 (demux_t *p_demux, real_track_t *tk, mtime_t i_pts)
static int	ControlGoToIndex (demux_t *p_demux, real_index_t *p_index)
static char *	StreamReadString2 (stream_t *s)
	This function will read a pascal string with size stored in 2 bytes from a stream_t.
static char *	MemoryReadString1 (const uint8_t **pp_data, int *pi_data)
	This function will read a pascal string with size stored in 1 byte from a memory buffer.
static int	HeaderRMF (demux_t *p_demux)
	This function parses(skip) the .RMF identification chunk.
static int	HeaderPROP (demux_t *p_demux)
	This function parses the PROP properties chunk.
static int	HeaderCONT (demux_t *p_demux)
	This functions parses the CONT commentairs chunk.
static int	HeaderMDPR (demux_t *p_demux)
	This function parses the MDPR (Media properties) chunk.
static int	HeaderDATA (demux_t *p_demux, uint32_t i_size)
	This function parses DATA chunk (it contains the actual movie data).
static void	HeaderINDX (demux_t *p_demux)
	This function parses the INDX (movie index chunk).
static void	CodecMetaRead (demux_t *p_demux, const uint8_t **pp_data, int *pi_data)
static int	CodecVideoParse (demux_t *p_demux, int i_tk_id, const uint8_t *p_data, int i_data)
static int	CodecAudioParse (demux_t *p_demux, int i_tk_id, const uint8_t *p_data, int i_data)
Variables
static const unsigned char	i_subpacket_size_sipr [4] = { 29, 19, 37, 20 }

---

Define Documentation

#define RX	(	name,
		type,
		size,
		code		)

Value:

static type name( const uint8_t **pp_data, int *pi_data ) { \
    if( *pi_data < (size) )          \
        return 0;                    \
    type v = code;                   \
    RVoid( pp_data, pi_data, size ); \
    return v;                        \
}

---

Function Documentation

static void CheckPcr	(	demux_t *	p_demux,
		real_track_t *	tk,
		mtime_t	i_dts
	)			[static]

References es_out_Control(), ES_OUT_SET_PCR, real_track_t::i_last_dts, demux_sys_t::i_pcr, demux_t::out, demux_t::p_sys, and VLC_TS_INVALID.

Referenced by DemuxAudioMethod1(), DemuxAudioMethod2(), DemuxAudioMethod3(), and DemuxVideo().

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 CodecAudioParse	(	demux_t *	p_demux,
		int	i_tk_id,
		const uint8_t *	p_data,
		int	i_data
	)			[static]

References es_format_t::audio, AUDIO_ES, demux_sys_t::b_real_audio, CodecMetaRead(), es_format_Clean(), es_format_Init(), es_out_Add(), real_track_t::fmt, GetWBE, audio_format_t::i_bitspersample, audio_format_t::i_blockalign, audio_format_t::i_channels, es_format_t::i_codec, real_track_t::i_coded_frame_size, es_format_t::i_extra, real_track_t::i_frame_size, real_track_t::i_id, real_track_t::i_last_dts, real_track_t::i_out_subpacket, audio_format_t::i_rate, real_track_t::i_subpacket, real_track_t::i_subpacket_h, real_track_t::i_subpacket_size, i_subpacket_size_sipr, real_track_t::i_subpackets, demux_sys_t::i_track, msg_Dbg, msg_Err, demux_t::out, real_track_t::p_es, es_format_t::p_extra, real_track_t::p_frame, real_track_t::p_subpackets, real_track_t::p_subpackets_timecode, demux_t::p_sys, R16(), R32(), RVoid(), TAB_APPEND, demux_sys_t::track, VLC_CODEC_A52, VLC_CODEC_ATRAC3, VLC_CODEC_COOK, VLC_CODEC_MP4A, VLC_CODEC_RA_144, VLC_CODEC_RA_288, VLC_CODEC_SIPR, VLC_EGENERIC, VLC_ENOMEM, VLC_FOURCC, and VLC_SUCCESS.

Referenced by CodecParse().

static void CodecMetaRead	(	demux_t *	p_demux,
		const uint8_t **	pp_data,
		int *	pi_data
	)			[static]

References MemoryReadString1(), msg_Dbg, demux_t::p_sys, demux_sys_t::psz_artist, demux_sys_t::psz_copyright, demux_sys_t::psz_description, and demux_sys_t::psz_title.

Referenced by CodecAudioParse().

static int CodecParse	(	demux_t *	p_demux,
		int	i_len,
		int	i_num
	)			[static]

References CodecAudioParse(), CodecVideoParse(), msg_Dbg, demux_t::s, stream_Peek(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by HeaderMDPR().

static int CodecVideoParse	(	demux_t *	p_demux,
		int	i_tk_id,
		const uint8_t *	p_data,
		int	i_data
	)			[static]

References es_format_Clean(), es_format_Init(), es_out_Add(), real_track_t::fmt, GetDWBE, GetWBE, es_format_t::i_codec, es_format_t::i_extra, real_track_t::i_frame_num, video_format_t::i_frame_rate, video_format_t::i_frame_rate_base, real_track_t::i_frame_size, video_format_t::i_height, real_track_t::i_id, real_track_t::i_last_dts, real_track_t::i_out_subpacket, real_track_t::i_subpacket, real_track_t::i_subpackets, demux_sys_t::i_track, video_format_t::i_width, msg_Dbg, demux_t::out, real_track_t::p_es, es_format_t::p_extra, real_track_t::p_frame, real_track_t::p_subpackets, real_track_t::p_subpackets_timecode, demux_t::p_sys, TAB_APPEND, demux_sys_t::track, es_format_t::video, VIDEO_ES, VLC_CODEC_RV13, VLC_CODEC_RV20, VLC_CODEC_RV30, VLC_CODEC_RV40, VLC_EGENERIC, VLC_ENOMEM, VLC_FOURCC, and VLC_SUCCESS.

Referenced by CodecParse().

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

References demux_sys_t::b_seek, ControlSeekByte(), ControlSeekTime(), DEMUX_GET_FPS, DEMUX_GET_LENGTH, DEMUX_GET_META, DEMUX_GET_POSITION, DEMUX_GET_TIME, DEMUX_SET_POSITION, DEMUX_SET_TIME, demux_sys_t::i_our_duration, demux_sys_t::i_pcr, msg_Dbg, msg_Err, demux_sys_t::p_index, demux_t::p_sys, demux_sys_t::psz_artist, demux_sys_t::psz_copyright, demux_sys_t::psz_description, demux_sys_t::psz_title, demux_t::s, stream_Seek(), stream_Size(), stream_Tell(), VLC_EGENERIC, vlc_meta_SetArtist, vlc_meta_SetCopyright, vlc_meta_SetDescription, vlc_meta_SetTitle, VLC_SUCCESS, VLC_TS_0, and VLC_TS_INVALID.

static int ControlGoToIndex	(	demux_t *	p_demux,
		real_index_t *	p_index
	)			[static]

References demux_sys_t::b_seek, i, real_index_t::i_file_offset, demux_sys_t::i_pcr, real_index_t::i_time_offset, demux_sys_t::i_track, demux_t::p_sys, demux_t::s, stream_Seek(), and demux_sys_t::track.

Referenced by ControlSeekByte(), and ControlSeekTime().

static int ControlSeekByte	(	demux_t *	p_demux,
		int64_t	i_bytes
	)			[static]

References ControlGoToIndex(), real_index_t::i_file_offset, demux_sys_t::p_index, demux_t::p_sys, and VLC_EGENERIC.

Referenced by Control().

static int ControlSeekTime	(	demux_t *	p_demux,
		mtime_t	i_time
	)			[static]

References ControlGoToIndex(), real_index_t::i_file_offset, real_index_t::i_time_offset, demux_sys_t::p_index, demux_t::p_sys, and VLC_EGENERIC.

Referenced by Control().

static int Demux

(

demux_t *

p_demux

)

[static]

References AUDIO_ES, demux_sys_t::buffer, DemuxAudio(), DemuxVideo(), es_out_Control(), ES_OUT_SET_PCR, real_track_t::fmt, GetDWBE, GetWBE, i, demux_sys_t::i_buffer, es_format_t::i_cat, demux_sys_t::i_data_offset, demux_sys_t::i_data_offset_next, demux_sys_t::i_data_packets, demux_sys_t::i_data_packets_count, demux_sys_t::i_data_size, asf_track_t::i_id, real_track_t::i_last_dts, demux_sys_t::i_pcr, demux_sys_t::i_track, msg_Dbg, msg_Err, msg_Warn, demux_t::out, demux_t::p_sys, demux_t::s, stream_Read(), stream_Tell(), demux_sys_t::track, VIDEO_ES, VLC_TS_0, and VLC_TS_INVALID.

static void DemuxAudio	(	demux_t *	p_demux,
		real_track_t *	tk,
		mtime_t	i_pts,
		unsigned	i_flags
	)			[static]

References DemuxAudioMethod1(), DemuxAudioMethod2(), DemuxAudioMethod3(), real_track_t::fmt, es_format_t::i_codec, VLC_CODEC_ATRAC3, VLC_CODEC_COOK, VLC_CODEC_MP4A, VLC_CODEC_RA_288, and VLC_CODEC_SIPR.

Referenced by Demux().

static void DemuxAudioMethod1	(	demux_t *	p_demux,
		real_track_t *	tk,
		mtime_t	i_pts,
		unsigned int	i_flags
	)			[static]

References demux_sys_t::b_seek, block_New, block_Release(), demux_sys_t::buffer, CheckPcr(), es_out_Send(), real_track_t::fmt, i, demux_sys_t::i_buffer, es_format_t::i_codec, real_track_t::i_coded_frame_size, block_t::i_dts, real_track_t::i_frame_size, real_track_t::i_out_subpacket, block_t::i_pts, real_track_t::i_subpacket, real_track_t::i_subpacket_h, real_track_t::i_subpacket_size, real_track_t::i_subpackets, msg_Dbg, msg_Warn, demux_t::out, block_t::p_buffer, real_track_t::p_es, real_track_t::p_subpackets, real_track_t::p_subpackets_timecode, demux_t::p_sys, VLC_CODEC_ATRAC3, VLC_CODEC_COOK, VLC_CODEC_RA_288, VLC_CODEC_SIPR, and VLC_TS_INVALID.

Referenced by DemuxAudio().

static void DemuxAudioMethod2	(	demux_t *	p_demux,
		real_track_t *	tk,
		mtime_t	i_pts
	)			[static]

References block_New, demux_sys_t::buffer, CheckPcr(), es_out_Send(), GetWBE, i, demux_sys_t::i_buffer, block_t::i_dts, block_t::i_pts, demux_t::out, block_t::p_buffer, real_track_t::p_es, demux_t::p_sys, and VLC_TS_INVALID.

Referenced by DemuxAudio().

static void DemuxAudioMethod3	(	demux_t *	p_demux,
		real_track_t *	tk,
		mtime_t	i_pts
	)			[static]

References block_New, demux_sys_t::buffer, CheckPcr(), es_out_Send(), real_track_t::fmt, demux_sys_t::i_buffer, es_format_t::i_codec, block_t::i_dts, block_t::i_pts, demux_t::out, block_t::p_buffer, p_dst, real_track_t::p_es, demux_t::p_sys, and VLC_CODEC_A52.

Referenced by DemuxAudio().

static void DemuxVideo	(	demux_t *	p_demux,
		real_track_t *	tk,
		mtime_t	i_dts,
		unsigned	i_flags
	)			[static]

References BLOCK_FLAG_TYPE_I, block_New, block_Release(), demux_sys_t::buffer, CheckPcr(), es_out_Send(), block_t::i_buffer, demux_sys_t::i_buffer, block_t::i_dts, block_t::i_flags, real_track_t::i_frame_num, real_track_t::i_frame_pos, real_track_t::i_frame_size, real_track_t::i_frame_slice, real_track_t::i_frame_slice_count, block_t::i_pts, i_type, demux_t::out, block_t::p_buffer, real_track_t::p_es, real_track_t::p_frame, demux_t::p_sys, R8(), RLength(), RVoid(), SetDWLE, and VLC_TS_INVALID.

Referenced by Demux().

static int HeaderCONT

(

demux_t *

p_demux

)

[static]

This functions parses the CONT commentairs chunk.

References msg_Dbg, demux_t::p_sys, demux_sys_t::psz_artist, demux_sys_t::psz_copyright, demux_sys_t::psz_description, demux_sys_t::psz_title, demux_t::s, StreamReadString2(), and VLC_SUCCESS.

Referenced by HeaderRead().

static int HeaderDATA	(	demux_t *	p_demux,
		uint32_t	i_size
	)			[static]

This function parses DATA chunk (it contains the actual movie data).

References GetDWBE, demux_sys_t::i_data_offset, demux_sys_t::i_data_offset_next, demux_sys_t::i_data_packets, demux_sys_t::i_data_packets_count, demux_sys_t::i_data_size, msg_Dbg, demux_t::p_sys, demux_t::s, stream_Read(), stream_Tell(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by HeaderRead().

static void HeaderINDX

(

demux_t *

p_demux

)

[static]

This function parses the INDX (movie index chunk).

It is optional but seeking without it is ... hard.

References GetDWBE, GetWBE, i, real_index_t::i_file_offset, real_index_t::i_frame_index, demux_sys_t::i_index_offset, real_index_t::i_time_offset, msg_Dbg, demux_sys_t::p_index, demux_t::p_sys, demux_t::s, stream_Read(), stream_Seek(), and VLC_FOURCC.

Referenced by HeaderRead().

static int HeaderMDPR

(

demux_t *

p_demux

)

[static]

This function parses the MDPR (Media properties) chunk.

References CodecParse(), GetDWBE, GetWBE, MemoryReadString1(), msg_Dbg, psz_mime, psz_name, demux_t::s, size, stream_Peek(), stream_Read(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by HeaderRead().

static int HeaderPROP

(

demux_t *

p_demux

)

[static]

This function parses the PROP properties chunk.

References GetDWBE, GetWBE, demux_sys_t::i_index_offset, demux_sys_t::i_our_duration, msg_Dbg, demux_t::p_sys, demux_t::s, stream_Read(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by HeaderRead().

static int HeaderRead

(

demux_t *

p_demux

)

[static]

This function parses the complete RM headers and move the stream pointer to the data to be read.

References GetDWBE, GetWBE, HeaderCONT(), HeaderDATA(), HeaderINDX(), HeaderMDPR(), HeaderPROP(), HeaderRMF(), demux_sys_t::i_index_offset, msg_Dbg, demux_t::p_sys, demux_t::s, stream_Read(), stream_Seek(), stream_Tell(), VLC_EGENERIC, VLC_FOURCC, and VLC_SUCCESS.

static int HeaderRMF

(

demux_t *

p_demux

)

[static]

This function parses(skip) the .RMF identification chunk.

References GetDWBE, msg_Dbg, demux_t::s, stream_Read(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by HeaderRead().

static char* MemoryReadString1	(	const uint8_t **	pp_data,
		int *	pi_data
	)			[static]

This function will read a pascal string with size stored in 1 byte from a memory buffer.

FIXME what is the right charset ?

References EnsureUTF8(), and strndup().

Referenced by CodecMetaRead(), and HeaderMDPR().

static int Open

(

vlc_object_t *

p_this

)

[static]

Status of this demuxer: Real Media format -----------------.

version v3 w/ 14_4/lpcJ is ok. version v4/5: - atrac3 is ok.

• cook is ok.
• raac, racp are ok.
• dnet is twisted "The byte order of the data is reversed from standard AC3" but ok
• 28_8 is ok.
• sipr doesn't work
• ralf is unsupported, but hardly any sample exist.
• mp3 is unsupported, one sample exists...

Real Audio Only --------------- v3 and v4/5 headers are parsed. Doesn't work yet...

Status of this demuxer: Real Media format -----------------.

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

static uint16_t R16	(	const uint8_t **	pp_data,
		int *	pi_data
	)			[static]

Referenced by CodecAudioParse(), and RLength().

static uint32_t R32	(	const uint8_t **	pp_data,
		int *	pi_data
	)			[static]

Referenced by CodecAudioParse().

static uint8_t R8	(	const uint8_t **	pp_data,
		int *	pi_data
	)			[static]

Referenced by DemuxVideo().

static int RLength	(	const uint8_t **	pp_data,
		int *	pi_data
	)			[static]

References R16().

Referenced by DemuxVideo().

static void RVoid	(	const uint8_t **	pp_data,
		int *	pi_data,
		int	i_size
	)			[static]

Referenced by CodecAudioParse(), and DemuxVideo().

static char* StreamReadString2

(

stream_t *

s

)

[static]

This function will read a pascal string with size stored in 2 bytes from a stream_t.

FIXME what is the right charset ?

References EnsureUTF8(), GetWBE, and stream_Read().

Referenced by HeaderCONT().

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)

---

Variable Documentation

const unsigned char i_subpacket_size_sipr[4] = { 29, 19, 37, 20 } [static]

Referenced by CodecAudioParse().