avdevice/v4l2enc: add video4linux2 name alias

[ffmpeg] / libavformat / internal.h

diff --git a/libavformat/internal.h b/libavformat/internal.h
index c50382ad29f64c7729845a2ba38f665320711bd0..0b8120b8424659f02a1c9a958648dc9a84c96e21 100644 (file)
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -239,6 +239,14 @@ void ff_read_frame_flush(AVFormatContext *s);
 /** Get the current time since NTP epoch in microseconds. */
 uint64_t ff_ntp_time(void);
 
+/**
+ * Get the NTP time stamp formatted as per the RFC-5905.
+ *
+ * @param ntp_time NTP time in micro seconds (since NTP epoch)
+ * @return the formatted NTP time stamp
+ */
+uint64_t ff_get_formatted_ntp_time(uint64_t ntp_time_us);
+
 /**
  * Append the media-specific SDP fragment for the media stream c
  * to the buffer buff.
@@ -299,6 +307,16 @@ void ff_put_v(AVIOContext *bc, uint64_t val);
  */
 int ff_get_line(AVIOContext *s, char *buf, int maxlen);
 
+/**
+ * Same as ff_get_line but strip the white-space characters in the text tail
+ *
+ * @param s the read-only AVIOContext
+ * @param buf buffer to store the read line
+ * @param maxlen size of the buffer
+ * @return the length of the string written in the buffer
+ */
+int ff_get_chomp_line(AVIOContext *s, char *buf, int maxlen);
+
 /**
  * Read a whole line of text from AVIOContext to an AVBPrint buffer. Stop
  * reading after reaching a \\r, a \\n, a \\r\\n, a \\0 or EOF.  The line