26 #ifndef AVCODEC_PUT_BITS_H
27 #define AVCODEC_PUT_BITS_H
88 #ifndef BITSTREAM_WRITER_LE
94 #ifdef BITSTREAM_WRITER_LE
107 #ifdef BITSTREAM_WRITER_LE
108 #define avpriv_align_put_bits align_put_bits_unsupported_here
109 #define avpriv_put_string ff_put_string_unsupported_here
110 #define avpriv_copy_bits avpriv_copy_bits_unsupported_here
138 unsigned int bit_buf;
141 assert(n <= 31 && value < (1
U << n));
147 #ifdef BITSTREAM_WRITER_LE
148 bit_buf |= value << (32 - bit_left);
152 bit_buf = (bit_left==32)?0:value >> bit_left;
158 bit_buf = (bit_buf<<n) | value;
162 bit_buf |= value >> (n - bit_left);
176 assert(n >= 0 && n <= 31);
178 put_bits(pb, n, value & ((1<<n)-1));
186 int lo = value & 0xffff;
187 int hi = value >> 16;
188 #ifdef BITSTREAM_WRITER_LE
static void av_unused put_bits32(PutBitContext *s, uint32_t value)
Write exactly 32 bits into a bitstream.
void avpriv_put_string(PutBitContext *pb, const char *string, int terminate_string)
Put the string string in the bitstream.
static void put_sbits(PutBitContext *pb, int n, int32_t value)
static void skip_put_bits(PutBitContext *s, int n)
Skip the given number of bits.
struct PutBitContext PutBitContext
static uint8_t * put_bits_ptr(PutBitContext *s)
Return the pointer to the byte where the bitstream writer will put the next bit.
static int put_bits_left(PutBitContext *s)
static void put_bits(PutBitContext *s, int n, unsigned int value)
Write up to 31 bits into a bitstream.
static int put_bits_count(PutBitContext *s)
static void skip_put_bytes(PutBitContext *s, int n)
Skip the given number of bytes.
static void set_put_bits_buffer_size(PutBitContext *s, int size)
Change the end of the buffer.
void avpriv_copy_bits(PutBitContext *pb, const uint8_t *src, int length)
Copy the content of src to the bitstream.
void avpriv_align_put_bits(PutBitContext *s)
Pad the bitstream with zeros up to the next byte boundary.
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
common internal and external API header
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.