@@ -181,6 +181,14 @@ int init_put_byte(ByteIOContext *s,

                   int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),

                   int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),

                   offset_t (*seek)(void *opaque, offset_t offset, int whence));

+ByteIOContext *av_alloc_put_byte(

+                  unsigned char *buffer,

+                  int buffer_size,

+                  int write_flag,

+                  void *opaque,

+                  int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),

+                  int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),

+                  offset_t (*seek)(void *opaque, offset_t offset, int whence));

 void put_byte(ByteIOContext *s, int b);

 void put_buffer(ByteIOContext *s, const unsigned char *buf, int size);

@@ -60,6 +60,20 @@ int init_put_byte(ByteIOContext *s,

     return 0;

 }

+ByteIOContext *av_alloc_put_byte(

+                  unsigned char *buffer,

+                  int buffer_size,

+                  int write_flag,

+                  void *opaque,

+                  int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),

+                  int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),

+                  offset_t (*seek)(void *opaque, offset_t offset, int whence)) {

+    ByteIOContext *s = av_mallocz(sizeof(ByteIOContext));

+    init_put_byte(s, buffer, buffer_size, write_flag, opaque,

+                  read_packet, write_packet, seek);

+    return s;

+}

+

 static void flush_buffer(ByteIOContext *s)

 {

     if (s->buf_ptr > s->buffer) {