From e20ad71ebbf9fe1f1a0dbc0c4e98afa8a28dc88c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Thu, 22 Mar 2012 17:05:08 +0200
Subject: [PATCH] libavformat: Document who sets the AVStream.id field
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Signed-off-by: Martin Storsjö <martin@martin.st>
---
 libavformat/avformat.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 073ca67afc..2bf03e1bd8 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -547,7 +547,12 @@ typedef struct AVIndexEntry {
  */
 typedef struct AVStream {
     int index;    /**< stream index in AVFormatContext */
-    int id;       /**< format-specific stream ID */
+    /**
+     * Format-specific stream ID.
+     * decoding: set by libavformat
+     * encoding: set by the user
+     */
+    int id;
     AVCodecContext *codec; /**< codec context */
     /**
      * Real base framerate of the stream.