doc: document the addition of the AVProbeData.mime_type field and it's implications

[ffmpeg] / RELEASE_NOTES

diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 87a0053c302db1b200542f98b76585b3c1e5a30a..14513a7948e265ed5eaa61ca5c3e311014898f50 100644 (file)
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -3,6 +3,9 @@
  └───────────────────────────────────────────┘
 
    The FFmpeg Project proudly presents FFmpeg <next> "FIXME", ...
+   FFmpeg 2.4 is API-, but not ABI-compatible with the previous major release.
+   This means that the code using our libraries needs to be rebuilt, but no
+   source changes should be required.
 
    ┌────────────────────────────┐
    │ *  API Information         │
@@ -30,6 +33,7 @@
    └────────────────────────────┘
 
     • Icecast protocol
+    • API for live metadata updates through event flags.
 
    ┌────────────────────────────┐
    │ libavfilter                │
@@ -38,6 +42,7 @@
     • ported lenscorrection filter from frei0r filter
     • large optimizations in dctdnoiz to make it usable
     • added codecview filter to visualize information exported by some codecs
+    • added silenceremove filter
 
    ┌────────────────────────────┐
    │ libavutil                  │
@@ -49,6 +54,11 @@
  │ ⚠  Behaviour changes       │
  └────────────────────────────┘
 
+  • IMPORTANT: The new field mime_type was added to AVProbeData.
+    To avoid crashes, make sure to always initialize AVProbeData, e.g. use
+    'AVProbeData pd = { 0 };' instead of 'AVProbeData pd;'.
   • dctdnoiz filter now uses a block size of 8x8 instead of 16x16 by default
   • -vismv option is deprecated in favor of the codecview filter
   • libmodplug is now detected through pkg-config
+  • HTML documentation generation through texi2html is deprecated in
+    favor of makeinfo/texi2any