[SCM] libav/experimental: add FF_API_READ_SEEK define to drop usage of AVInputFormat.read_seek and delay this transition to v54 as it is currently not functional

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 634e0304a89c4e5ea749776a3d6ce82e396acb72
Author: Aurelien Jacobs <aurel at gnuage.org>
Date:   Fri Oct 15 13:39:15 2010 +0000

    add FF_API_READ_SEEK define to drop usage of AVInputFormat.read_seek
    and delay this transition to v54 as it is currently not functional
    
    Originally committed as revision 25486 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 940fc65..4bc8461 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -69,6 +69,9 @@
 #ifndef FF_API_PARSE_FRAME_PARAM
 #define FF_API_PARSE_FRAME_PARAM       (LIBAVFORMAT_VERSION_MAJOR < 53)
 #endif
+#ifndef FF_API_READ_SEEK
+#define FF_API_READ_SEEK               (LIBAVFORMAT_VERSION_MAJOR < 54)
+#endif
 
 /**
  * I return the LIBAVFORMAT_VERSION_INT constant.  You got
@@ -392,7 +395,7 @@ typedef struct AVInputFormat {
      */
     int (*read_close)(struct AVFormatContext *);
 
-#if LIBAVFORMAT_VERSION_MAJOR < 53
+#if FF_API_READ_SEEK
     /**
      * Seek to a given timestamp relative to the frames in
      * stream component stream_index.

-- 
Libav/FFmpeg packaging