23 #ifndef AVCODEC_BYTESTREAM_H
24 #define AVCODEC_BYTESTREAM_H
40 #define DEF_T(type, name, bytes, read, write) \
41 static av_always_inline type bytestream_get_ ## name(const uint8_t **b) \
44 return read(*b - bytes); \
46 static av_always_inline void bytestream_put_ ## name(uint8_t **b, \
52 static av_always_inline void bytestream2_put_ ## name ## u(PutByteContext *p, \
55 bytestream_put_ ## name(&p->buffer, value); \
57 static av_always_inline void bytestream2_put_ ## name(PutByteContext *p, \
60 if (!p->eof && (p->buffer_end - p->buffer >= bytes)) { \
61 write(p->buffer, value); \
66 static av_always_inline type bytestream2_get_ ## name ## u(GetByteContext *g) \
68 return bytestream_get_ ## name(&g->buffer); \
70 static av_always_inline type bytestream2_get_ ## name(GetByteContext *g) \
72 if (g->buffer_end - g->buffer < bytes) \
74 return bytestream2_get_ ## name ## u(g); \
76 static av_always_inline type bytestream2_peek_ ## name(GetByteContext *g) \
78 if (g->buffer_end - g->buffer < bytes) \
80 return read(g->buffer); \
83 #define DEF(name, bytes, read, write) \
84 DEF_T(unsigned int, name, bytes, read, write)
85 #define DEF64(name, bytes, read, write) \
86 DEF_T(uint64_t, name, bytes, read, write)
103 # define bytestream2_get_ne16 bytestream2_get_be16
104 # define bytestream2_get_ne24 bytestream2_get_be24
105 # define bytestream2_get_ne32 bytestream2_get_be32
106 # define bytestream2_get_ne64 bytestream2_get_be64
107 # define bytestream2_get_ne16u bytestream2_get_be16u
108 # define bytestream2_get_ne24u bytestream2_get_be24u
109 # define bytestream2_get_ne32u bytestream2_get_be32u
110 # define bytestream2_get_ne64u bytestream2_get_be64u
111 # define bytestream2_put_ne16 bytestream2_put_be16
112 # define bytestream2_put_ne24 bytestream2_put_be24
113 # define bytestream2_put_ne32 bytestream2_put_be32
114 # define bytestream2_put_ne64 bytestream2_put_be64
115 # define bytestream2_peek_ne16 bytestream2_peek_be16
116 # define bytestream2_peek_ne24 bytestream2_peek_be24
117 # define bytestream2_peek_ne32 bytestream2_peek_be32
118 # define bytestream2_peek_ne64 bytestream2_peek_be64
120 # define bytestream2_get_ne16 bytestream2_get_le16
121 # define bytestream2_get_ne24 bytestream2_get_le24
122 # define bytestream2_get_ne32 bytestream2_get_le32
123 # define bytestream2_get_ne64 bytestream2_get_le64
124 # define bytestream2_get_ne16u bytestream2_get_le16u
125 # define bytestream2_get_ne24u bytestream2_get_le24u
126 # define bytestream2_get_ne32u bytestream2_get_le32u
127 # define bytestream2_get_ne64u bytestream2_get_le64u
128 # define bytestream2_put_ne16 bytestream2_put_le16
129 # define bytestream2_put_ne24 bytestream2_put_le24
130 # define bytestream2_put_ne32 bytestream2_put_le32
131 # define bytestream2_put_ne64 bytestream2_put_le64
132 # define bytestream2_peek_ne16 bytestream2_peek_le16
133 # define bytestream2_peek_ne24 bytestream2_peek_le24
134 # define bytestream2_peek_ne32 bytestream2_peek_le32
135 # define bytestream2_peek_ne64 bytestream2_peek_le64
271 memcpy(dst, g->
buffer, size2);
280 memcpy(dst, g->
buffer, size);
295 memcpy(p->
buffer, src, size2);
304 memcpy(p->
buffer, src, size);
319 memset(p->
buffer, c, size2);
327 memset(p->
buffer, c, size);
366 memcpy(dst, *b, size);
375 memcpy(*b, src, size);
static av_always_inline void bytestream2_set_bufferu(PutByteContext *p, const uint8_t c, unsigned int size)
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_RB16
static av_always_inline void bytestream2_set_buffer(PutByteContext *p, const uint8_t c, unsigned int size)
AV_WL32 AV_WL24 AV_WL16 AV_RB32
#define DEF(name, bytes, read, write)
static av_always_inline void bytestream2_init_writer(PutByteContext *p, uint8_t *buf, int buf_size)
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
static av_always_inline unsigned int bytestream2_get_bufferu(GetByteContext *g, uint8_t *dst, unsigned int size)
static av_always_inline void bytestream2_skipu(GetByteContext *g, unsigned int size)
static av_always_inline int bytestream2_size(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 unsigned int bytestream2_get_buffer(GetByteContext *g, uint8_t *dst, unsigned int size)
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
static av_always_inline int bytestream2_tell_p(PutByteContext *p)
const uint8_t * buffer_end
static av_always_inline void bytestream2_skip_p(PutByteContext *p, unsigned int size)
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16 AV_RB8
static av_always_inline unsigned int bytestream_get_buffer(const uint8_t **b, 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 int bytestream2_seek_p(PutByteContext *p, int offset, int whence)
static av_always_inline int bytestream2_tell(GetByteContext *g)
static av_always_inline unsigned int bytestream2_copy_bufferu(PutByteContext *p, GetByteContext *g, unsigned int size)
static av_always_inline unsigned int bytestream2_put_bufferu(PutByteContext *p, const uint8_t *src, unsigned int size)
const uint8_t * buffer_start
static av_always_inline unsigned int bytestream2_copy_buffer(PutByteContext *p, GetByteContext *g, unsigned int size)
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_RB24
common internal and external API header
static av_always_inline unsigned int bytestream2_get_eof(PutByteContext *p)
static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
static av_always_inline int bytestream2_seek(GetByteContext *g, int offset, int whence)
#define DEF64(name, bytes, read, write)
static av_always_inline int bytestream2_size_p(PutByteContext *p)