X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Favio_internal.h;h=5493163221a2dc7300671870057383b18092e7c9;hb=c3386bd5b4d3662f94e902a0fe3e9e869e29967d;hp=6630aaf61d44d8916dda5b5483978a042166a4ab;hpb=ff1ec0c3f8fce10e92010f82f7e859e08f9c742a;p=ffmpeg

diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h
index 6630aaf61d4..5493163221a 100644
--- a/libavformat/avio_internal.h
+++ b/libavformat/avio_internal.h
@@ -23,6 +23,10 @@
 #include "avio.h"
 #include "url.h"
 
+#include "libavutil/log.h"
+
+extern const AVClass ffio_url_class;
+
 int ffio_init_context(AVIOContext *s,
                   unsigned char *buffer,
                   int buffer_size,
@@ -33,6 +37,23 @@ int ffio_init_context(AVIOContext *s,
                   int64_t (*seek)(void *opaque, int64_t offset, int whence));
 
 
+/**
+ * Read size bytes from AVIOContext, returning a pointer.
+ * Note that the data pointed at by the returned pointer is only
+ * valid until the next call that references the same IO context.
+ * @param s IO context
+ * @param buf pointer to buffer into which to assemble the requested
+ *    data if it is not available in contiguous addresses in the
+ *    underlying buffer
+ * @param size number of bytes requested
+ * @param data address at which to store pointer: this will be a
+ *    a direct pointer into the underlying buffer if the requested
+ *    number of bytes are available at contiguous addresses, otherwise
+ *    will be a copy of buf
+ * @return number of bytes read or AVERROR
+ */
+int ffio_read_indirect(AVIOContext *s, unsigned char *buf, int size, const unsigned char **data);
+
 /**
  * Read size bytes from AVIOContext into buf.
  * This reads at most 1 packet. If that is not enough fewer bytes will be
@@ -77,7 +98,7 @@ unsigned long ff_crc04C11DB7_update(unsigned long checksum, const uint8_t *buf,
 /**
  * Open a write only packetized memory stream with a maximum packet
  * size of 'max_packet_size'.  The stream is stored in a memory buffer
- * with a big endian 4 byte header giving the packet size in bytes.
+ * with a big-endian 4 byte header giving the packet size in bytes.
  *
  * @param s new IO context
  * @param max_packet_size maximum packet size (must be > 0)
@@ -98,4 +119,4 @@ int ffio_open_dyn_packet_buf(AVIOContext **s, int max_packet_size);
  */
 int ffio_fdopen(AVIOContext **s, URLContext *h);
 
-#endif // AVFORMAT_AVIO_INTERNAL_H
+#endif /* AVFORMAT_AVIO_INTERNAL_H */