From bee1477f08952e25ea5dafb2ae11f7c1de333d22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Fri, 19 Sep 2014 14:32:46 +0300
Subject: [PATCH] applemedia: We need to map the coremedia buffers in
 non-readonly mode

Our buffers claim to be writable so other elements expect to be able
to write there without losing their changes.
---
 sys/applemedia/coremediabuffer.c | 6 ++----
 sys/applemedia/corevideobuffer.c | 5 ++---
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/sys/applemedia/coremediabuffer.c b/sys/applemedia/coremediabuffer.c
index 73995f0dd2..548f858fbe 100644
--- a/sys/applemedia/coremediabuffer.c
+++ b/sys/applemedia/coremediabuffer.c
@@ -25,8 +25,7 @@ static void
 gst_core_media_meta_free (GstCoreMediaMeta * meta, GstBuffer * buf)
 {
   if (meta->image_buf != NULL) {
-    CVPixelBufferUnlockBaseAddress (meta->image_buf,
-        kCVPixelBufferLock_ReadOnly);
+    CVPixelBufferUnlockBaseAddress (meta->image_buf, 0);
     CVBufferRelease (meta->image_buf);
   }
   if (meta->block_buf != NULL) {
@@ -93,8 +92,7 @@ gst_core_media_buffer_wrap_pixel_buffer (GstBuffer * buf, GstVideoInfo * info,
   GstVideoMeta *video_meta;
   UInt32 size;
 
-  if (CVPixelBufferLockBaseAddress (pixel_buf,
-          kCVPixelBufferLock_ReadOnly) != kCVReturnSuccess) {
+  if (CVPixelBufferLockBaseAddress (pixel_buf, 0) != kCVReturnSuccess) {
     GST_ERROR ("Could not lock pixel buffer base address");
     return FALSE;
   }
diff --git a/sys/applemedia/corevideobuffer.c b/sys/applemedia/corevideobuffer.c
index 0e08398c2e..b1da334cbe 100644
--- a/sys/applemedia/corevideobuffer.c
+++ b/sys/applemedia/corevideobuffer.c
@@ -23,7 +23,7 @@ static void
 gst_core_video_meta_free (GstCoreVideoMeta * meta, GstBuffer * buf)
 {
   if (meta->pixbuf != NULL) {
-    CVPixelBufferUnlockBaseAddress (meta->pixbuf, kCVPixelBufferLock_ReadOnly);
+    CVPixelBufferUnlockBaseAddress (meta->pixbuf, 0);
   }
 
   CVBufferRelease (meta->cvbuf);
@@ -74,8 +74,7 @@ gst_core_video_buffer_new (CVBufferRef cvbuf, GstVideoInfo * vinfo)
 
   pixbuf = (CVPixelBufferRef) cvbuf;
 
-  if (CVPixelBufferLockBaseAddress (pixbuf,
-          kCVPixelBufferLock_ReadOnly) != kCVReturnSuccess) {
+  if (CVPixelBufferLockBaseAddress (pixbuf, 0) != kCVReturnSuccess) {
     goto error;
   }