avdevice/v4l2*: Improve included headers

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

libavdevice/v4l2-common.h

@@ -21,7 +21,7 @@
 
 #undef __STRICT_ANSI__ //workaround due to broken kernel headers
 #include "config.h"
-#include "libavformat/internal.h"
+#include <stdint.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
@@ -35,15 +35,8 @@
 #endif
 #include <linux/videodev2.h>
 #endif
-#include "libavutil/imgutils.h"
-#include "libavutil/log.h"
-#include "libavutil/opt.h"
-#include "avdevice.h"
-#include "timefilter.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/pixdesc.h"
-#include "libavutil/time.h"
-#include "libavutil/avstring.h"
+#include "libavutil/pixfmt.h"
+#include "libavcodec/codec_id.h"
 
 struct fmt_map {
     enum AVPixelFormat ff_fmt;

libavdevice/v4l2.c

@@ -34,7 +34,15 @@
 
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/time.h"
+#include "libavcodec/codec_desc.h"
 #include "libavformat/demux.h"
+#include "libavformat/internal.h"
+#include "avdevice.h"
+#include "timefilter.h"
 #include "v4l2-common.h"
 #include <dirent.h>
 

libavdevice/v4l2enc.c

@@ -18,8 +18,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/imgutils.h"
+#include "libavutil/pixdesc.h"
+#include "libavformat/avformat.h"
 #include "v4l2-common.h"
-#include "avdevice.h"
 
 typedef struct {
     AVClass *class;