libavcodec/bytestream.h File Reference

#include <stdint.h>
#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(type, 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_size (GetByteContext *g)
static av_always_inline int	bytestream2_size_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
uint64_t_TMPL	le64
uint64_t_TMPL	AV_RL64
uint64_t_TMPL AV_WL64 unsigned int_TMPL	le32
uint64_t_TMPL AV_WL64 unsigned int_TMPL	AV_RL32
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL	le24
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL	AV_RL24
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL	le16
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL	AV_RL16
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL	be64
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL	AV_RB64
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL	be32
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL	AV_RB32
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL	be24
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL	AV_RB24
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL	be16
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL	AV_RB16
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_WB16 unsigned int_TMPL	byte
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_WB16 unsigned int_TMPL	AV_RB8

---

Define Documentation

#define bytestream2_get_ne16   bytestream2_get_le16

Definition at line 112 of file bytestream.h.

#define bytestream2_get_ne16u   bytestream2_get_le16u

Definition at line 116 of file bytestream.h.

Referenced by read_uncompressed_sgi().

#define bytestream2_get_ne24   bytestream2_get_le24

Definition at line 113 of file bytestream.h.

#define bytestream2_get_ne24u   bytestream2_get_le24u

Definition at line 117 of file bytestream.h.

#define bytestream2_get_ne32   bytestream2_get_le32

Definition at line 114 of file bytestream.h.

#define bytestream2_get_ne32u   bytestream2_get_le32u

Definition at line 118 of file bytestream.h.

#define bytestream2_get_ne64   bytestream2_get_le64

Definition at line 115 of file bytestream.h.

#define bytestream2_get_ne64u   bytestream2_get_le64u

Definition at line 119 of file bytestream.h.

#define bytestream2_peek_ne16   bytestream2_peek_le16

Definition at line 124 of file bytestream.h.

#define bytestream2_peek_ne24   bytestream2_peek_le24

Definition at line 125 of file bytestream.h.

#define bytestream2_peek_ne32   bytestream2_peek_le32

Definition at line 126 of file bytestream.h.

#define bytestream2_peek_ne64   bytestream2_peek_le64

Definition at line 127 of file bytestream.h.

#define bytestream2_put_ne16   bytestream2_put_le16

Definition at line 120 of file bytestream.h.

#define bytestream2_put_ne24   bytestream2_put_le24

Definition at line 121 of file bytestream.h.

#define bytestream2_put_ne32   bytestream2_put_le32

Definition at line 122 of file bytestream.h.

#define bytestream2_put_ne64   bytestream2_put_le64

Definition at line 123 of file bytestream.h.

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

Definition at line 41 of file bytestream.h.

Referenced by avg_pixels16_TMPL(), avg_pixels16_x2_TMPL(), avg_pixels16_xy2_TMPL(), avg_pixels16_y2_TMPL(), pixels16_xy2(), pixels16_y2(), put_no_rnd_pixels16_x2_TMPL(), put_no_rnd_pixels16_y2_TMPL(), and put_pixels16_y2_TMPL().

---

Function Documentation

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

Definition at line 258 of file bytestream.h.

Referenced by bethsoftvid_decode_frame(), bfi_decode_frame(), decode_bdlt(), decode_copy(), decode_format80(), decode_frame(), decode_wdlt(), flic_decode_frame_8BPP(), ipvideo_decode_block_opcode_0x9(), ipvideo_decode_block_opcode_0xA(), ipvideo_decode_block_opcode_0xB(), pcm_bluray_decode_frame(), targa_decode_rle(), tgq_decode_mb(), txd_decode_frame(), 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 268 of file bytestream.h.

Referenced by decode_frame(), decode_packet(), op(), and xwd_decode_frame().

static av_always_inline unsigned int bytestream2_get_bytes_left

(

GetByteContext *

g

)

[static]

Definition at line 149 of file bytestream.h.

Referenced by adpcm_decode_frame(), bfi_decode_frame(), decode_bdlt(), decode_codestream(), decode_dds1(), decode_dsw1(), decode_frame(), decode_init(), decode_packet(), decode_tsw1(), decode_wdlt(), dfa_decode_frame(), expand_rle_row(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), get_coc(), get_cod(), get_cox(), get_qcc(), get_qcx(), get_siz(), get_sot(), ipvideo_decode_opcodes(), jp2_find_codestream(), kmvc_decode_inter_8x8(), kmvc_decode_intra_8x8(), mm_decode_inter(), mm_decode_intra(), msrle_decode_8_16_24_32(), msrle_decode_pal4(), op(), png_decode_idat(), qpeg_decode_inter(), qpeg_decode_intra(), read_rle_sgi(), read_uncompressed_sgi(), roqvideo_decode_frame(), set_palette(), targa_decode_rle(), tgq_decode_mb(), txd_decode_frame(), ulti_decode_frame(), vb_decode_framedata(), vqa_decode_chunk(), xan_decode_chroma(), xan_unpack(), xan_unpack_luma(), and xwd_decode_frame().

static av_always_inline unsigned int bytestream2_get_bytes_left_p

(

PutByteContext *

p

)

[static]

Definition at line 154 of file bytestream.h.

static av_always_inline unsigned int bytestream2_get_eof

(

PutByteContext *

p

)

[static]

Definition at line 323 of file bytestream.h.

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

Definition at line 130 of file bytestream.h.

Referenced by aasc_decode_frame(), adpcm_decode_frame(), alac_set_info(), bethsoftvid_decode_frame(), bfi_decode_frame(), bmp_decode_frame(), decode_frame(), decode_i2_frame(), decode_init(), decode_p_frame(), dfa_decode_frame(), dpcm_decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), ipvideo_decode_frame(), mimic_decode_frame(), mm_decode_frame(), mm_decode_inter(), msrle_decode_frame(), pcm_bluray_decode_frame(), qtrle_decode_frame(), roq_decode_frame(), smc_decode_frame(), tgq_decode_frame(), tm2_read_stream(), txd_decode_frame(), ulti_decode_frame(), vqa_decode_chunk(), vqa_decode_frame(), xan_decode_frame(), and xwd_decode_frame().

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

Definition at line 139 of file bytestream.h.

Referenced by encode_frame(), and sunrast_encode_frame().

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

Definition at line 277 of file bytestream.h.

Referenced by sunrast_image_write_image().

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

Definition at line 292 of file bytestream.h.

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

Definition at line 203 of file bytestream.h.

Referenced by adpcm_decode_frame(), decode_frame(), qtrle_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 227 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 301 of file bytestream.h.

Referenced by encode_frame().

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

Definition at line 315 of file bytestream.h.

static av_always_inline int bytestream2_size

(

GetByteContext *

g

)

[static]

Definition at line 193 of file bytestream.h.

Referenced by smc_decode_stream(), and xan_decode_frame_type0().

static av_always_inline int bytestream2_size_p

(

PutByteContext *

p

)

[static]

Definition at line 198 of file bytestream.h.

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

Definition at line 159 of file bytestream.h.

Referenced by adpcm_decode_frame(), bfi_decode_frame(), decode_codestream(), decode_frame(), decode_packet(), dfa_decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), get_nb_samples(), ipvideo_decode_opcodes(), j2k_flush(), mimic_decode_frame(), mm_decode_pal(), msrle_decode_8_16_24_32(), msrle_decode_pal4(), pcm_bluray_decode_frame(), png_decode_idat(), qtrle_decode_2n4bpp(), qtrle_decode_frame(), read_uncompressed_sgi(), smc_decode_stream(), tgq_decode_frame(), tgq_decode_mb(), tm2_read_stream(), txd_decode_frame(), 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 171 of file bytestream.h.

Referenced by sunrast_image_write_image().

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

Definition at line 165 of file bytestream.h.

Referenced by adpcm_decode_frame(), alac_set_info(), decode_frame(), decode_init(), dpcm_decode_frame(), get_sot(), jp2_find_codestream(), and xwd_decode_frame().

static av_always_inline int bytestream2_tell

(

GetByteContext *

g

)

[static]

Definition at line 183 of file bytestream.h.

Referenced by adpcm_decode_frame(), bethsoftvid_decode_frame(), bytestream2_seek(), decode_codestream(), decode_format80(), decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), ipvideo_decode_opcodes(), pcm_bluray_decode_frame(), 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 188 of file bytestream.h.

Referenced by bytestream2_seek_p(), sunrast_encode_frame(), and sunrast_image_write_image().

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

Definition at line 328 of file bytestream.h.

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

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

Definition at line 337 of file bytestream.h.

Referenced by adx_encode_header(), av_packet_merge_side_data(), encode_frame(), 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

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_RB16

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_RB24

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_RB64

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_WB16 unsigned int_TMPL AV_RB8

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_RL16

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_RL24

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_RL64

Definition at line 84 of file bytestream.h.

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL be16

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL be24

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL be32

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL be64

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_WB16 unsigned int_TMPL byte

Definition at line 84 of file bytestream.h.

Referenced by adpcm_decode_frame(), bfi_decode_frame(), fill_picture(), fill_picture_monoblack(), g723_1_read_packet(), process_audio_header_elements(), read_arbitary(), roqvideo_decode_frame(), and xan_huffman_decode().

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL le16

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().

uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL le24

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().

uint64_t_TMPL AV_WL64 unsigned int_TMPL le32

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().

uint64_t_TMPL le64

Definition at line 84 of file bytestream.h.

Referenced by pcm_decode_frame(), and pcm_encode_frame().