[vlc-devel] [PATCH] Support for rotated MP4 Movies (bug #2882)

Matthias Keiser matthias at tristan-inc.com
Thu Feb 6 23:15:40 CET 2014

What follows is a series of patches so that rotated mp4's are correctly displayed. I tested it with the files found here:


Note: These patches currently only work if the mp4 gets demuxed with the MP4 demuxer or with FFMpeg libavformat, but NOT with libav libavformat (because it doesn't set the rotation information). Since currently libav is the default, this means you might have to make sure that it plays via the MP4 demuxer, which in turn means you probably have to download the examples to disk, and not simply stream them (else MP4 demuxer will bail out).

From 3b395f92ec85e2318d36ed89fd211c44c11c6b82 Mon Sep 17 00:00:00 2001
From: Matthias Keiser <matthias at tristan-inc.com>
Date: Thu, 6 Feb 2014 15:56:36 +0100
Subject: [PATCH 02/13] Parse configuration argument in transform video filter.

 modules/video_filter/transform.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/modules/video_filter/transform.c b/modules/video_filter/transform.c
index b9d5ffc..60fdaa1 100644
--- a/modules/video_filter/transform.c
+++ b/modules/video_filter/transform.c
@@ -315,6 +315,12 @@ static int Open(vlc_object_t *object)
     sys->chroma = chroma;
+    static const char *const ppsz_filter_options[] = {
+        "type", NULL
+    };
+    config_ChainParse(filter, CFG_PREFIX, ppsz_filter_options,
+                      filter->p_cfg);
     char *type_name = var_InheritString(filter, CFG_PREFIX"type");
     const transform_description_t *dsc = NULL;
-- (Apple Git-47)

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