h264.c File Reference

Include dependency graph for h264.c:

Data Structures
struct	slice_t
struct	decoder_sys_t
Defines
#define	SPS_MAX   (32)
#define	PPS_MAX   (256)
#define	BLOCK_FLAG_PRIVATE_AUD   (1 << BLOCK_FLAG_PRIVATE_SHIFT)
Enumerations
enum	nal_unit_type_e {   NAL_UNKNOWN = 0, NAL_SLICE = 1, NAL_SLICE_DPA = 2, NAL_SLICE_DPB = 3,   NAL_SLICE_DPC = 4, NAL_SLICE_IDR = 5, NAL_SEI = 6, NAL_SPS = 7,   NAL_PPS = 8, NAL_AU_DELIMITER = 9 }
enum	nal_priority_e { NAL_PRIORITY_DISPOSABLE = 0, NAL_PRIORITY_LOW = 1, NAL_PRIORITY_HIGH = 2, NAL_PRIORITY_HIGHEST = 3 }
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 block_t *	Packetize (decoder_t *, block_t **)
static block_t *	PacketizeAVC1 (decoder_t *, block_t **)
static block_t *	GetCc (decoder_t *p_dec, bool pb_present[4])
static void	PacketizeReset (void *p_private, bool b_broken)
static block_t *	PacketizeParse (void *p_private, bool *pb_ts_used, block_t *)
static int	PacketizeValidate (void *p_private, block_t *)
static block_t *	ParseNALBlock (decoder_t *, bool *pb_used_ts, block_t *)
static block_t *	CreateAnnexbNAL (decoder_t *, const uint8_t *p, int)
static block_t *	OutputPicture (decoder_t *p_dec)
static void	PutSPS (decoder_t *p_dec, block_t *p_frag)
static void	PutPPS (decoder_t *p_dec, block_t *p_frag)
static void	ParseSlice (decoder_t *p_dec, bool *pb_new_picture, slice_t *p_slice, int i_nal_ref_idc, int i_nal_type, const block_t *p_frag)
static void	ParseSei (decoder_t *, block_t *)
static void	CreateDecodedNAL (uint8_t **pp_ret, int *pi_ret, const uint8_t *src, int i_src)
static int	bs_read_ue (bs_t *s)
static int	bs_read_se (bs_t *s)
Variables
static const uint8_t	p_h264_startcode [3] = { 0x00, 0x00, 0x01 }

---

Define Documentation

#define BLOCK_FLAG_PRIVATE_AUD   (1 << BLOCK_FLAG_PRIVATE_SHIFT)

Referenced by OutputPicture(), and ParseNALBlock().

#define PPS_MAX   (256)

#define SPS_MAX   (32)

---

Enumeration Type Documentation

enum nal_priority_e

Enumerator:

NAL_PRIORITY_DISPOSABLE
NAL_PRIORITY_LOW
NAL_PRIORITY_HIGH
NAL_PRIORITY_HIGHEST

enum nal_unit_type_e

Enumerator:

NAL_UNKNOWN
NAL_SLICE
NAL_SLICE_DPA
NAL_SLICE_DPB
NAL_SLICE_DPC
NAL_SLICE_IDR
NAL_SEI
NAL_SPS
NAL_PPS
NAL_AU_DELIMITER

---

Function Documentation

static int bs_read_se

(

bs_t *

s

)

[inline, static]

References bs_read_ue().

Referenced by ParseSlice(), and PutSPS().

static int bs_read_ue

(

bs_t *

s

)

[inline, static]

References bs_read(), bs_read1(), bs_s::p, and bs_s::p_end.

Referenced by bs_read_se(), ParseSlice(), PutPPS(), and PutSPS().

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 block_t * CreateAnnexbNAL	(	decoder_t *	p_dec,
		const uint8_t *	p,
		int	i_size
	)			[static]

References block_New, block_t::p_buffer, and VLC_UNUSED.

Referenced by PacketizeAVC1().

static void CreateDecodedNAL	(	uint8_t **	pp_ret,
		int *	pi_ret,
		const uint8_t *	src,
		int	i_src
	)			[static]

References dst.

Referenced by ParseSei(), ParseSlice(), and PutSPS().

static block_t * GetCc	(	decoder_t *	p_dec,
		bool	pb_present[4]
	)			[static]

References cc_data_t::b_reorder, BLOCK_FLAG_TYPE_MASK, BLOCK_FLAG_TYPE_P, block_New, decoder_sys_t::cc, cc_Flush(), decoder_sys_t::i_cc_dts, decoder_sys_t::i_cc_flags, decoder_sys_t::i_cc_pts, cc_data_t::i_data, block_t::i_dts, block_t::i_flags, block_t::i_pts, block_t::p_buffer, cc_data_t::p_data, decoder_t::p_sys, and cc_data_t::pb_present.

static int Open

(

vlc_object_t *

p_this

)

[static]

Probes and initializes.

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 block_t * OutputPicture

(

decoder_t *

p_dec

)

[static]

References decoder_sys_t::b_frame_pps, decoder_sys_t::b_frame_sps, decoder_sys_t::b_header, decoder_sys_t::b_pps, decoder_sys_t::b_slice, decoder_sys_t::b_sps, block_ChainAppend(), block_ChainGather(), block_Duplicate(), BLOCK_FLAG_PRIVATE_AUD, BLOCK_FLAG_TYPE_I, decoder_sys_t::cc, cc_Flush(), decoder_sys_t::cc_next, decoder_sys_t::i_cc_dts, decoder_sys_t::i_cc_flags, decoder_sys_t::i_cc_pts, block_t::i_dts, block_t::i_flags, decoder_sys_t::i_frame_dts, decoder_sys_t::i_frame_pts, slice_t::i_frame_type, block_t::i_length, block_t::i_pts, decoder_sys_t::p_frame, block_t::p_next, decoder_t::p_sys, decoder_sys_t::pp_pps, decoder_sys_t::pp_sps, decoder_sys_t::slice, and VLC_TS_INVALID.

Referenced by ParseNALBlock().

static block_t * Packetize	(	decoder_t *	p_dec,
		block_t **	pp_block
	)			[static]

References decoder_t::p_sys, decoder_sys_t::packetizer, and packetizer_Packetize().

static block_t * PacketizeAVC1	(	decoder_t *	p_dec,
		block_t **	pp_block
	)			[static]

References block_ChainAppend(), BLOCK_FLAG_CORRUPTED, BLOCK_FLAG_DISCONTINUITY, block_Release(), CreateAnnexbNAL(), decoder_sys_t::i_avcC_length_size, block_t::i_buffer, block_t::i_dts, block_t::i_pts, msg_Err, block_t::p_buffer, decoder_t::p_sys, and ParseNALBlock().

static block_t * PacketizeParse	(	void *	p_private,
		bool *	pb_ts_used,
		block_t *	p_block
	)			[static]

References block_t::i_buffer, block_t::p_buffer, and ParseNALBlock().

static void PacketizeReset	(	void *	p_private,
		bool	b_broken
	)			[static]

References decoder_sys_t::b_frame_pps, decoder_sys_t::b_frame_sps, decoder_sys_t::b_slice, block_ChainRelease(), decoder_sys_t::i_frame_dts, decoder_sys_t::i_frame_pts, slice_t::i_frame_type, decoder_sys_t::p_frame, decoder_t::p_sys, decoder_sys_t::slice, and VLC_TS_INVALID.

static int PacketizeValidate	(	void *	p_private,
		block_t *	p_au
	)			[static]

References VLC_SUCCESS, and VLC_UNUSED.

static block_t * ParseNALBlock	(	decoder_t *	p_dec,
		bool *	pb_used_ts,
		block_t *	p_frag
	)			[static]

References decoder_sys_t::b_frame_pps, decoder_sys_t::b_frame_sps, decoder_sys_t::b_pps, decoder_sys_t::b_slice, decoder_sys_t::b_sps, block_ChainAppend(), block_ChainRelease(), BLOCK_FLAG_PRIVATE_AUD, block_Release(), cc_Flush(), decoder_sys_t::cc_next, block_t::i_dts, block_t::i_flags, decoder_sys_t::i_frame_dts, decoder_sys_t::i_frame_pts, slice_t::i_frame_type, block_t::i_pts, msg_Warn, NAL_AU_DELIMITER, NAL_PPS, NAL_SEI, NAL_SLICE, NAL_SLICE_IDR, NAL_SPS, OutputPicture(), block_t::p_buffer, decoder_sys_t::p_frame, decoder_t::p_sys, ParseSei(), ParseSlice(), PutPPS(), PutSPS(), decoder_sys_t::slice, and VLC_TS_INVALID.

Referenced by PacketizeAVC1(), and PacketizeParse().

static void ParseSei	(	decoder_t *	p_dec,
		block_t *	p_frag
	)			[static]

References cc_Extract(), decoder_sys_t::cc_next, CreateDecodedNAL(), block_t::i_buffer, i_type, block_t::p_buffer, and decoder_t::p_sys.

Referenced by ParseNALBlock().

static void ParseSlice	(	decoder_t *	p_dec,
		bool *	pb_new_picture,
		slice_t *	p_slice,
		int	i_nal_ref_idc,
		int	i_nal_type,
		const block_t *	p_frag
	)			[static]

References __MIN, decoder_sys_t::b_frame_mbs_only, BLOCK_FLAG_TYPE_B, BLOCK_FLAG_TYPE_I, BLOCK_FLAG_TYPE_P, bs_init(), bs_read(), bs_read_se(), bs_read_ue(), CreateDecodedNAL(), slice_t::i_bottom_field_flag, block_t::i_buffer, decoder_sys_t::i_delta_pic_order_always_zero_flag, slice_t::i_delta_pic_order_cnt0, slice_t::i_delta_pic_order_cnt1, slice_t::i_delta_pic_order_cnt_bottom, slice_t::i_field_pic_flag, slice_t::i_frame_num, slice_t::i_frame_type, slice_t::i_idr_pic_id, decoder_sys_t::i_log2_max_frame_num, decoder_sys_t::i_log2_max_pic_order_cnt_lsb, slice_t::i_nal_ref_idc, slice_t::i_nal_type, slice_t::i_pic_order_cnt_lsb, decoder_sys_t::i_pic_order_cnt_type, decoder_sys_t::i_pic_order_present_flag, slice_t::i_pic_parameter_set_id, NAL_SLICE_IDR, block_t::p_buffer, decoder_t::p_sys, and decoder_sys_t::slice.

Referenced by ParseNALBlock().

static void PutPPS	(	decoder_t *	p_dec,
		block_t *	p_frag
	)			[static]

References decoder_sys_t::b_pps, block_Release(), bs_init(), bs_read(), bs_read_ue(), bs_skip(), block_t::i_buffer, decoder_sys_t::i_pic_order_present_flag, msg_Dbg, msg_Warn, block_t::p_buffer, decoder_t::p_sys, and decoder_sys_t::pp_pps.

Referenced by ParseNALBlock().

static void PutSPS	(	decoder_t *	p_dec,
		block_t *	p_frag
	)			[static]

References decoder_sys_t::b_frame_mbs_only, decoder_sys_t::b_sps, block_Release(), bs_init(), bs_read(), bs_read_se(), bs_read_ue(), bs_skip(), CreateDecodedNAL(), decoder_t::fmt_out, block_t::i_buffer, decoder_sys_t::i_delta_pic_order_always_zero_flag, video_format_t::i_height, es_format_t::i_level, decoder_sys_t::i_log2_max_frame_num, decoder_sys_t::i_log2_max_pic_order_cnt_lsb, decoder_sys_t::i_pic_order_cnt_type, es_format_t::i_profile, video_format_t::i_sar_den, video_format_t::i_sar_num, video_format_t::i_width, msg_Dbg, msg_Warn, block_t::p_buffer, decoder_t::p_sys, decoder_sys_t::pp_sps, and es_format_t::video.

Referenced by ParseNALBlock().

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)

---

Variable Documentation

const uint8_t p_h264_startcode[3] = { 0x00, 0x00, 0x01 } [static]