23 #ifndef AVCODEC_BYTESTREAM_H
24 #define AVCODEC_BYTESTREAM_H
41 #define DEF(type, name, bytes, read, write) \
42 static av_always_inline type bytestream_get_ ## name(const uint8_t **b) \
45 return read(*b - bytes); \
47 static av_always_inline void bytestream_put_ ## name(uint8_t **b, \
53 static av_always_inline void bytestream2_put_ ## name ## u(PutByteContext *p, \
56 bytestream_put_ ## name(&p->buffer, value); \
58 static av_always_inline void bytestream2_put_ ## name(PutByteContext *p, \
61 if (!p->eof && (p->buffer_end - p->buffer >= bytes)) { \
62 write(p->buffer, value); \
67 static av_always_inline type bytestream2_get_ ## name ## u(GetByteContext *g) \
69 return bytestream_get_ ## name(&g->buffer); \
71 static av_always_inline type bytestream2_get_ ## name(GetByteContext *g) \
73 if (g->buffer_end - g->buffer < bytes) { \
74 g->buffer = g->buffer_end; \
77 return bytestream2_get_ ## name ## u(g); \
79 static av_always_inline type bytestream2_peek_ ## name(GetByteContext *g) \
81 if (g->buffer_end - g->buffer < bytes) \
83 return read(g->buffer); \
97 # define bytestream2_get_ne16 bytestream2_get_be16
98 # define bytestream2_get_ne24 bytestream2_get_be24
99 # define bytestream2_get_ne32 bytestream2_get_be32
100 # define bytestream2_get_ne64 bytestream2_get_be64
101 # define bytestream2_get_ne16u bytestream2_get_be16u
102 # define bytestream2_get_ne24u bytestream2_get_be24u
103 # define bytestream2_get_ne32u bytestream2_get_be32u
104 # define bytestream2_get_ne64u bytestream2_get_be64u
105 # define bytestream2_put_ne16 bytestream2_put_be16
106 # define bytestream2_put_ne24 bytestream2_put_be24
107 # define bytestream2_put_ne32 bytestream2_put_be32
108 # define bytestream2_put_ne64 bytestream2_put_be64
109 # define bytestream2_peek_ne16 bytestream2_peek_be16
110 # define bytestream2_peek_ne24 bytestream2_peek_be24
111 # define bytestream2_peek_ne32 bytestream2_peek_be32
112 # define bytestream2_peek_ne64 bytestream2_peek_be64
114 # define bytestream2_get_ne16 bytestream2_get_le16
115 # define bytestream2_get_ne24 bytestream2_get_le24
116 # define bytestream2_get_ne32 bytestream2_get_le32
117 # define bytestream2_get_ne64 bytestream2_get_le64
118 # define bytestream2_get_ne16u bytestream2_get_le16u
119 # define bytestream2_get_ne24u bytestream2_get_le24u
120 # define bytestream2_get_ne32u bytestream2_get_le32u
121 # define bytestream2_get_ne64u bytestream2_get_le64u
122 # define bytestream2_put_ne16 bytestream2_put_le16
123 # define bytestream2_put_ne24 bytestream2_put_le24
124 # define bytestream2_put_ne32 bytestream2_put_le32
125 # define bytestream2_put_ne64 bytestream2_put_le64
126 # define bytestream2_peek_ne16 bytestream2_peek_le16
127 # define bytestream2_peek_ne24 bytestream2_peek_le24
128 # define bytestream2_peek_ne32 bytestream2_peek_le32
129 # define bytestream2_peek_ne64 bytestream2_peek_le64
265 memcpy(dst, g->
buffer, size2);
274 memcpy(dst, g->
buffer, size);
289 memcpy(p->
buffer, src, size2);
298 memcpy(p->
buffer, src, size);
313 memset(p->
buffer, c, size2);
321 memset(p->
buffer, c, size);
360 memcpy(dst, *b, size);
369 memcpy(*b, src, size);
static av_always_inline void bytestream2_set_bufferu(PutByteContext *p, const uint8_t c, 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_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)
#define DEF(type, name, bytes, read, write)
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)
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)
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)
static av_always_inline int bytestream2_size_p(PutByteContext *p)