libavcodec/bytestream.h File Reference

#include <string.h>
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"

Go to the source code of this file.

Data Structures
struct	GetByteContext
struct	PutByteContext
Defines
#define	DEF_T(type, name, bytes, read, write)
#define	DEF(name, bytes, read, write)   DEF_T(unsigned int, name, bytes, read, write)
#define	DEF64(name, bytes, read, write)   DEF_T(uint64_t, name, bytes, read, write)
#define	bytestream2_get_ne16   bytestream2_get_le16
#define	bytestream2_get_ne24   bytestream2_get_le24
#define	bytestream2_get_ne32   bytestream2_get_le32
#define	bytestream2_get_ne64   bytestream2_get_le64
#define	bytestream2_get_ne16u   bytestream2_get_le16u
#define	bytestream2_get_ne24u   bytestream2_get_le24u
#define	bytestream2_get_ne32u   bytestream2_get_le32u
#define	bytestream2_get_ne64u   bytestream2_get_le64u
#define	bytestream2_put_ne16   bytestream2_put_le16
#define	bytestream2_put_ne24   bytestream2_put_le24
#define	bytestream2_put_ne32   bytestream2_put_le32
#define	bytestream2_put_ne64   bytestream2_put_le64
#define	bytestream2_peek_ne16   bytestream2_peek_le16
#define	bytestream2_peek_ne24   bytestream2_peek_le24
#define	bytestream2_peek_ne32   bytestream2_peek_le32
#define	bytestream2_peek_ne64   bytestream2_peek_le64
Functions
static av_always_inline void	bytestream2_init (GetByteContext *g, const uint8_t *buf, int buf_size)
static av_always_inline void	bytestream2_init_writer (PutByteContext *p, uint8_t *buf, int buf_size)
static av_always_inline unsigned int	bytestream2_get_bytes_left (GetByteContext *g)
static av_always_inline unsigned int	bytestream2_get_bytes_left_p (PutByteContext *p)
static av_always_inline void	bytestream2_skip (GetByteContext *g, unsigned int size)
static av_always_inline void	bytestream2_skipu (GetByteContext *g, unsigned int size)
static av_always_inline void	bytestream2_skip_p (PutByteContext *p, unsigned int size)
static av_always_inline int	bytestream2_tell (GetByteContext *g)
static av_always_inline int	bytestream2_tell_p (PutByteContext *p)
static av_always_inline int	bytestream2_seek (GetByteContext *g, int offset, int whence)
static av_always_inline int	bytestream2_seek_p (PutByteContext *p, int offset, int whence)
static av_always_inline unsigned int	bytestream2_get_buffer (GetByteContext *g, uint8_t *dst, unsigned int size)
static av_always_inline unsigned int	bytestream2_get_bufferu (GetByteContext *g, uint8_t *dst, unsigned int size)
static av_always_inline unsigned int	bytestream2_put_buffer (PutByteContext *p, const uint8_t *src, unsigned int size)
static av_always_inline unsigned int	bytestream2_put_bufferu (PutByteContext *p, const uint8_t *src, unsigned int size)
static av_always_inline void	bytestream2_set_buffer (PutByteContext *p, const uint8_t c, unsigned int size)
static av_always_inline void	bytestream2_set_bufferu (PutByteContext *p, const uint8_t c, unsigned int size)
static av_always_inline unsigned int	bytestream2_get_eof (PutByteContext *p)
static av_always_inline unsigned int	bytestream_get_buffer (const uint8_t **b, uint8_t *dst, unsigned int size)
static av_always_inline void	bytestream_put_buffer (uint8_t **b, const uint8_t *src, unsigned int size)
Variables
	le32_TMPL
	AV_RL32
AV_WL32	le24_TMPL
AV_WL32	AV_RL24
AV_WL32 AV_WL24	le16_TMPL
AV_WL32 AV_WL24	AV_RL16
AV_WL32 AV_WL24 AV_WL16	be32_TMPL
AV_WL32 AV_WL24 AV_WL16	AV_RB32
AV_WL32 AV_WL24 AV_WL16 AV_WB32	be24_TMPL
AV_WL32 AV_WL24 AV_WL16 AV_WB32	AV_RB24
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24	be16_TMPL
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24	AV_RB16
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16	byte_TMPL
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16	AV_RB8

---

Define Documentation

#define bytestream2_get_ne16   bytestream2_get_le16

Definition at line 120 of file bytestream.h.

#define bytestream2_get_ne16u   bytestream2_get_le16u

Definition at line 124 of file bytestream.h.

Referenced by read_uncompressed_sgi().

#define bytestream2_get_ne24   bytestream2_get_le24

Definition at line 121 of file bytestream.h.

#define bytestream2_get_ne24u   bytestream2_get_le24u

Definition at line 125 of file bytestream.h.

#define bytestream2_get_ne32   bytestream2_get_le32

Definition at line 122 of file bytestream.h.

#define bytestream2_get_ne32u   bytestream2_get_le32u

Definition at line 126 of file bytestream.h.

#define bytestream2_get_ne64   bytestream2_get_le64

Definition at line 123 of file bytestream.h.

#define bytestream2_get_ne64u   bytestream2_get_le64u

Definition at line 127 of file bytestream.h.

#define bytestream2_peek_ne16   bytestream2_peek_le16

Definition at line 132 of file bytestream.h.

#define bytestream2_peek_ne24   bytestream2_peek_le24

Definition at line 133 of file bytestream.h.

#define bytestream2_peek_ne32   bytestream2_peek_le32

Definition at line 134 of file bytestream.h.

#define bytestream2_peek_ne64   bytestream2_peek_le64

Definition at line 135 of file bytestream.h.

#define bytestream2_put_ne16   bytestream2_put_le16

Definition at line 128 of file bytestream.h.

#define bytestream2_put_ne24   bytestream2_put_le24

Definition at line 129 of file bytestream.h.

#define bytestream2_put_ne32   bytestream2_put_le32

Definition at line 130 of file bytestream.h.

#define bytestream2_put_ne64   bytestream2_put_le64

Definition at line 131 of file bytestream.h.

#define DEF	(	name,
		bytes,
		read,
		write		)	DEF_T(unsigned int, name, bytes, read, write)

Definition at line 83 of file bytestream.h.

#define DEF64	(	name,
		bytes,
		read,
		write		)	DEF_T(uint64_t, name, bytes, read, write)

Definition at line 85 of file bytestream.h.

#define DEF_T	(	type,
		name,
		bytes,
		read,
		write		)

Definition at line 40 of file bytestream.h.

---

Function Documentation

static av_always_inline unsigned int bytestream2_get_buffer	(	GetByteContext *	g,
		uint8_t *	dst,
		unsigned int	size
	)			[static]

Definition at line 256 of file bytestream.h.

Referenced by bethsoftvid_decode_frame(), bfi_decode_frame(), decode_bdlt(), decode_copy(), decode_format80(), decode_wdlt(), flic_decode_frame_8BPP(), tgq_decode_mb(), vb_decode_framedata(), vqa_decode_chunk(), and xan_unpack().

static av_always_inline unsigned int bytestream2_get_bufferu	(	GetByteContext *	g,
		uint8_t *	dst,
		unsigned int	size
	)			[static]

Definition at line 266 of file bytestream.h.

static av_always_inline unsigned int bytestream2_get_bytes_left

(

GetByteContext *

g

)

[static]

Definition at line 157 of file bytestream.h.

Referenced by bfi_decode_frame(), decode_bdlt(), decode_dds1(), decode_dsw1(), decode_frame(), decode_tsw1(), decode_wdlt(), dfa_decode_frame(), expand_rle_row(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), kmvc_decode_inter_8x8(), kmvc_decode_intra_8x8(), mm_decode_inter(), mm_decode_intra(), png_decode_idat(), read_rle_sgi(), read_uncompressed_sgi(), roqvideo_decode_frame(), set_palette(), ulti_decode_frame(), vb_decode_framedata(), vqa_decode_chunk(), xan_decode_chroma(), xan_unpack(), and xan_unpack_luma().

static av_always_inline unsigned int bytestream2_get_bytes_left_p

(

PutByteContext *

p

)

[static]

Definition at line 162 of file bytestream.h.

static av_always_inline unsigned int bytestream2_get_eof

(

PutByteContext *

p

)

[static]

Definition at line 321 of file bytestream.h.

static av_always_inline void bytestream2_init	(	GetByteContext *	g,
		const uint8_t *	buf,
		int	buf_size
	)			[static]

Definition at line 138 of file bytestream.h.

Referenced by bethsoftvid_decode_frame(), bfi_decode_frame(), decode_frame(), decode_i2_frame(), decode_p_frame(), dfa_decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), mm_decode_frame(), mm_decode_inter(), roq_decode_frame(), smc_decode_frame(), tgq_decode_frame(), tm2_read_stream(), ulti_decode_frame(), vqa_decode_chunk(), vqa_decode_frame(), and xan_decode_frame().

static av_always_inline void bytestream2_init_writer	(	PutByteContext *	p,
		uint8_t *	buf,
		int	buf_size
	)			[static]

Definition at line 147 of file bytestream.h.

static av_always_inline unsigned int bytestream2_put_buffer	(	PutByteContext *	p,
		const uint8_t *	src,
		unsigned int	size
	)			[static]

Definition at line 275 of file bytestream.h.

static av_always_inline unsigned int bytestream2_put_bufferu	(	PutByteContext *	p,
		const uint8_t *	src,
		unsigned int	size
	)			[static]

Definition at line 290 of file bytestream.h.

static av_always_inline int bytestream2_seek	(	GetByteContext *	g,
		int	offset,
		int	whence
	)			[static]

Definition at line 201 of file bytestream.h.

Referenced by decode_frame(), read_rle_sgi(), vqa_decode_chunk(), xan_decode_chroma(), xan_decode_frame_type0(), xan_decode_frame_type1(), and xan_unpack_luma().

static av_always_inline int bytestream2_seek_p	(	PutByteContext *	p,
		int	offset,
		int	whence
	)			[static]

Definition at line 225 of file bytestream.h.

static av_always_inline void bytestream2_set_buffer	(	PutByteContext *	p,
		const uint8_t	c,
		unsigned int	size
	)			[static]

Definition at line 299 of file bytestream.h.

static av_always_inline void bytestream2_set_bufferu	(	PutByteContext *	p,
		const uint8_t	c,
		unsigned int	size
	)			[static]

Definition at line 313 of file bytestream.h.

static av_always_inline void bytestream2_skip	(	GetByteContext *	g,
		unsigned int	size
	)			[static]

Definition at line 167 of file bytestream.h.

Referenced by bfi_decode_frame(), decode_frame(), dfa_decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), mm_decode_pal(), png_decode_idat(), read_uncompressed_sgi(), smc_decode_stream(), tgq_decode_frame(), tgq_decode_mb(), tm2_read_stream(), vqa_decode_chunk(), xan_decode_chroma(), and xan_unpack_luma().

static av_always_inline void bytestream2_skip_p	(	PutByteContext *	p,
		unsigned int	size
	)			[static]

Definition at line 179 of file bytestream.h.

static av_always_inline void bytestream2_skipu	(	GetByteContext *	g,
		unsigned int	size
	)			[static]

Definition at line 173 of file bytestream.h.

Referenced by decode_frame().

static av_always_inline int bytestream2_tell

(

GetByteContext *

g

)

[static]

Definition at line 191 of file bytestream.h.

Referenced by bytestream2_seek(), decode_format80(), decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), roqvideo_decode_frame(), tm2_read_stream(), vqa_decode_chunk(), and xan_unpack_luma().

static av_always_inline int bytestream2_tell_p

(

PutByteContext *

p

)

[static]

Definition at line 196 of file bytestream.h.

Referenced by bytestream2_seek_p().

static av_always_inline unsigned int bytestream_get_buffer	(	const uint8_t **	b,
		uint8_t *	dst,
		unsigned int	size
	)			[static]

Definition at line 326 of file bytestream.h.

Referenced by cdg_decode_frame(), decode_frame(), decode_packet(), flac_read_header(), gif_read_header1(), gif_read_image(), ogm_header(), rtmp_write(), and xwd_decode_frame().

static av_always_inline void bytestream_put_buffer	(	uint8_t **	b,
		const uint8_t *	src,
		unsigned int	size
	)			[static]

Definition at line 335 of file bytestream.h.

Referenced by adx_encode_header(), av_packet_merge_side_data(), encode_packet(), ff_amf_write_field_name(), ff_amf_write_string(), ff_vorbiscomment_write(), get_packet(), gif_image_write_header(), gif_image_write_image(), imx_dump_header(), mjpega_dump_header(), ogg_build_flac_headers(), ogg_build_speex_headers(), ogg_write_header(), prores_encode_frame(), qtrle_encode_line(), write_codebooks(), write_typecode(), and xwd_encode_frame().

---

Variable Documentation

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_RB16

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_RB24

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_RB32

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16 AV_RB8

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_RL16

Definition at line 89 of file bytestream.h.

AV_WL32 AV_RL24

Definition at line 89 of file bytestream.h.

AV_RL32

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 be16_TMPL

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 be24_TMPL

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 be32_TMPL

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16 byte_TMPL

Definition at line 89 of file bytestream.h.

AV_WL32 AV_WL24 le16_TMPL

Definition at line 89 of file bytestream.h.

AV_WL32 le24_TMPL

Definition at line 89 of file bytestream.h.

le32_TMPL

Definition at line 89 of file bytestream.h.