@@ -15,6 +15,9 @@ libavutil:     2015-08-28

 API changes, most recent first:

+2017-09-01 - xxxxxxx - lavf 57.81.100 - avio.h

+  Add avio_read_partial().

+

 2017-09-01 - xxxxxxx - lavf 57.80.100 / 57.11.0 - avio.h

   Add avio_context_free(). From now on it must be used for freeing AVIOContext.

@@ -599,6 +599,15 @@ void avio_flush(AVIOContext *s);

 int avio_read(AVIOContext *s, unsigned char *buf, int size);

 /**

+ * Read size bytes from AVIOContext into buf. Unlike avio_read(), this is allowed

+ * to read fewer bytes than requested. The missing bytes can be read in the next

+ * call. This always tries to read at least 1 byte.

+ * Useful to reduce latency in certain cases.

+ * @return number of bytes read or AVERROR

+ */

+int avio_read_partial(AVIOContext *s, unsigned char *buf, int size);

+

+/**

  * @name Functions for reading from AVIOContext

  * @{

  *

@@ -53,14 +53,6 @@ int ffio_init_context(AVIOContext *s,

  */

 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

- * returned.

- * @return number of bytes read or AVERROR

- */

-int ffio_read_partial(AVIOContext *s, unsigned char *buf, int size);

-

 void ffio_fill(AVIOContext *s, int b, int count);

 static av_always_inline void ffio_wfourcc(AVIOContext *pb, const uint8_t *s)

@@ -703,7 +703,7 @@ int ffio_read_indirect(AVIOContext *s, unsigned char *buf, int size, const unsig

     }

 }

-int ffio_read_partial(AVIOContext *s, unsigned char *buf, int size)

+int avio_read_partial(AVIOContext *s, unsigned char *buf, int size)

 {

     int len;

@@ -43,7 +43,7 @@ int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)

     pkt->pos= avio_tell(s->pb);

     pkt->stream_index = 0;

-    ret = ffio_read_partial(s->pb, pkt->data, size);

+    ret = avio_read_partial(s->pb, pkt->data, size);

     if (ret < 0) {

         av_packet_unref(pkt);

         return ret;

@@ -2136,7 +2136,7 @@ redo:

             wait_end && wait_end < av_gettime_relative())

             len = AVERROR(EAGAIN);

         else

-            len = ffio_read_partial(s->pb, rt->recvbuf, RECVBUF_SIZE);

+            len = avio_read_partial(s->pb, rt->recvbuf, RECVBUF_SIZE);

         len = pick_stream(s, &rtsp_st, rt->recvbuf, len);

         if (len > 0 && rtsp_st->transport_priv && rt->transport == RTSP_TRANSPORT_RTP)

             ff_rtp_check_and_send_back_rr(rtsp_st->transport_priv, NULL, s->pb, len);

@@ -32,7 +32,7 @@

 // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)

 // Also please add any ticket numbers that you believe might be affected here

 #define LIBAVFORMAT_VERSION_MAJOR  57

-#define LIBAVFORMAT_VERSION_MINOR  80

+#define LIBAVFORMAT_VERSION_MINOR  81

 #define LIBAVFORMAT_VERSION_MICRO 100

 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \