avutil/internal: Move avpriv-file API to a header of its own

It is not used by the large majority of files that include
lavu/internal.h.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/dvdsubdec.c

@@ -27,6 +27,7 @@
 
 #include "libavutil/attributes.h"
 #include "libavutil/colorspace.h"
+#include "libavutil/file_open.h"
 #include "libavutil/opt.h"
 #include "libavutil/bswap.h"
 

libavcodec/libxvid.c

@@ -30,7 +30,7 @@
 #include <xvid.h>
 
 #include "libavutil/avassert.h"
-#include "libavutil/file.h"
+#include "libavutil/file_open.h"
 #include "libavutil/internal.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/mathematics.h"

libavdevice/bktr.c

@@ -25,6 +25,7 @@
  */
 
 #include "libavformat/internal.h"
+#include "libavutil/file_open.h"
 #include "libavutil/internal.h"
 #include "libavutil/log.h"
 #include "libavutil/opt.h"

libavdevice/fbdev_common.c

@@ -26,6 +26,7 @@
 #include <stdlib.h>
 #include "fbdev_common.h"
 #include "libavutil/common.h"
+#include "libavutil/file_open.h"
 #include "avdevice.h"
 
 struct rgb_pixfmt_map_entry {

libavdevice/fbdev_dec.c

@@ -34,6 +34,7 @@
 #include <time.h>
 #include <linux/fb.h>
 
+#include "libavutil/file_open.h"
 #include "libavutil/internal.h"
 #include "libavutil/log.h"
 #include "libavutil/opt.h"

libavdevice/fbdev_enc.c

@@ -23,6 +23,7 @@
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <linux/fb.h>
+#include "libavutil/file_open.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/log.h"
 #include "libavutil/opt.h"

libavdevice/oss.c

@@ -30,6 +30,7 @@
 #include <sys/ioctl.h>
 #include <sys/soundcard.h>
 
+#include "libavutil/file_open.h"
 #include "libavutil/log.h"
 
 #include "avdevice.h"

libavfilter/af_arnndn.c

@@ -31,10 +31,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <float.h>
-
 #include "libavutil/avassert.h"
-#include "libavutil/avstring.h"
+#include "libavutil/file_open.h"
 #include "libavutil/float_dsp.h"
 #include "libavutil/mem_internal.h"
 #include "libavutil/opt.h"

libavfilter/af_firequalizer.c

@@ -19,6 +19,7 @@
  */
 
 #include "libavutil/channel_layout.h"
+#include "libavutil/file_open.h"
 #include "libavutil/opt.h"
 #include "libavutil/eval.h"
 #include "libavutil/avassert.h"

libavfilter/opencl.c

@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "libavutil/file_open.h"
 #include "libavutil/mem.h"
 #include "libavutil/pixdesc.h"