Add a av_alloc_put_byte function.

The name is in analogy to init_put_byte, but I would not mind it
being changed to something better.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@11305 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

diff --git a/libavformat/avio.h b/libavformat/avio.h
index 0957d9dbfcfabba76b3bbb4999f0dad5bf10a3d7..9443cb017bc767dcf31924487ae862dc83f63f80 100644 (file)
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -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);

diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 45248a95ab50372e8cb6ac30ba80874b825ec45d..507003184ef098da5253b05d77d7faad5116f4a7 100644 (file)
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -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) {